From d059ba9a0a3c5cc209cfb10d4f81ad4cbc3c5700 Mon Sep 17 00:00:00 2001 From: Mark Hatle Date: Tue, 23 Jul 2024 16:33:38 -0600 Subject: meta-microblaze: gdb: Update to latest version Signed-off-by: Mark Hatle --- .../recipes-devtools/gdb/gdb-microblaze.inc | 55 +- ...-port-of-linux-gdbserver-add-gdb_proc_ser.patch | 42 + .../0001-Add-initial-port-of-linux-gdbserver.patch | 653 --- ...-port-of-linux-gdbserver-add-gdb_proc_ser.patch | 639 +++ ...Blaze-Initial-port-of-core-reading-suppor.patch | 303 - ...ebug-message-when-register-is-unavailable.patch | 50 - ...t-of-core-reading-support-Added-support-f.patch | 301 + ...ebug-message-when-register-is-unavailable.patch | 45 + ...tch-MicroBlaze-MicroBlaze-native-gdb-port.patch | 836 --- .../gdb/gdb/0005-MicroBlaze-native-gdb-port.patch | 834 +++ ...Patch-microblaze-Adding-64-bit-MB-support.patch | 5789 -------------------- ...it-MB-support-Added-new-architecture-to-M.patch | 1891 +++++++ ...Blaze-these-changes-will-make-64-bit-vect.patch | 38 - ...Blaze-Added-m64-abi-for-64-bit-target-des.patch | 300 - ...es-will-make-64-bit-vectors-as-default-ta.patch | 35 + ...bi-for-64-bit-target-descriptions.-set-m6.patch | 4104 ++++++++++++++ .../gdb/gdb/0008-Patch-MicroBlaze.patch | 65 - ...-number-of-inline-functions-refer-inline-.patch | 74 + ...b-gdserver-Fix-ABI-settings-for-gdbserver.patch | 35 - ...build-errors-for-microblaze-xilinx-elf-20.patch | 133 + ...roblaze-xilinx-elf-crash-issue-on-invocat.patch | 28 + ...able-the-warning-message-for-eh_frame_hdr.patch | 35 + ...ange-to-garbage-collection-sweep-causes-m.patch | 43 + .../gdb/0016-Add-new-bit-field-instructions.patch | 88 + ...initial-support-for-MicroBlaze-64-bit-m64.patch | 150 + ...initial-support-for-MicroBlaze-64-bit-m64.patch | 82 + .../gdb/gdb/0021-Added-relocations-for-MB-X.patch | 69 + ...initial-support-for-MicroBlaze-64-bit-m64.patch | 113 + .../gdb/gdb/0023-Added-relocations-for-MB-X.patch | 84 + ...ss-computation-issues-with-64bit-address-.patch | 35 + ...-the-long-long-long-mingw-toolchain-issue.patch | 26 + ...rt-to-new-arithmetic-single-register-inst.patch | 176 + ...-double-imml-generation-for-64-bit-values.patch | 29 + ...ms-elf64microblaze-Fix-emulation-generati.patch | 44 + ...a-offsets-pointer-after-relaxation.-Propo.patch | 79 + ...-with-ld-no-keep-memory.-Proposed-patches.patch | 107 + .../0038-MB-binutils-Upstream-port-issues.patch | 83 + ...t-of-core-reading-support-Added-support-f.patch | 89 + ...issues-after-Xilinx-2023.2-binutils-merge.patch | 185 + ...e-truncated-register-warning-gdb-remote.c.patch | 26 + ...solved-conflicts-from-binutils_2_42_merge.patch | 42 + ...gdbarch_init-set-microblaze_abi-based-on-.patch | 177 + ...ach_microblaze-values-from-0-0-1-instead-.patch | 32 + ...ssues-bfd-reloc.c-add-missing-relocs-used.patch | 61 + ...046-Regenerate-bfd-bfd-in2.h-bfd-libbfd.h.patch | 125 + ...c-revert-earlier-change-to-process_g_pack.patch | 32 + ...ssues-after-Xilinx-2023.2-binutils-patch-.patch | 46 + ...MICROBLAZE_NONE-for-linker-relaxation-pro.patch | 27 + ...unwinding-pc-value-adjust-return-pc-value.patch | 92 + ...info-reg-pc-does-not-print-symbolic-value.patch | 116 + ...t-description-accepted-by-microblaze-arch.patch | 51 + ...icroblaze-linux-tdep.c-to-gdb-14-and-fix-.patch | 42 + ...n-improvement-which-inlines-target_gdbarc.patch | 29 + 53 files changed, 10587 insertions(+), 8078 deletions(-) create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0001-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0001-Add-initial-port-of-linux-gdbserver.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0002-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0002-Patch-MicroBlaze-Initial-port-of-core-reading-suppor.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0003-Fix-debug-message-when-register-is-unavailable.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0003-Initial-port-of-core-reading-support-Added-support-f.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0004-Fix-debug-message-when-register-is-unavailable.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0004-Patch-MicroBlaze-MicroBlaze-native-gdb-port.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0005-MicroBlaze-native-gdb-port.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0005-Patch-microblaze-Adding-64-bit-MB-support.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0006-Adding-64-bit-MB-support-Added-new-architecture-to-M.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0006-Patch-MicroBlaze-these-changes-will-make-64-bit-vect.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0007-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0007-these-changes-will-make-64-bit-vectors-as-default-ta.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0008-Added-m64-abi-for-64-bit-target-descriptions.-set-m6.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0008-Patch-MicroBlaze.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0009-Depth-Total-number-of-inline-functions-refer-inline-.patch delete mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0009-gdb-gdserver-Fix-ABI-settings-for-gdbserver.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0010-Fix-gdb-14-build-errors-for-microblaze-xilinx-elf-20.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0011-fix-gdb-microblaze-xilinx-elf-crash-issue-on-invocat.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0013-Disable-the-warning-message-for-eh_frame_hdr.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0015-upstream-change-to-garbage-collection-sweep-causes-m.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0016-Add-new-bit-field-instructions.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0019-initial-support-for-MicroBlaze-64-bit-m64.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0020-initial-support-for-MicroBlaze-64-bit-m64.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0021-Added-relocations-for-MB-X.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0022-initial-support-for-MicroBlaze-64-bit-m64.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0023-Added-relocations-for-MB-X.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0025-Fixed-address-computation-issues-with-64bit-address-.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0028-fixing-the-long-long-long-mingw-toolchain-issue.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0029-Added-support-to-new-arithmetic-single-register-inst.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0030-double-imml-generation-for-64-bit-values.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0035-ld-emulparams-elf64microblaze-Fix-emulation-generati.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0036-Invalid-data-offsets-pointer-after-relaxation.-Propo.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0037-Double-free-with-ld-no-keep-memory.-Proposed-patches.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0038-MB-binutils-Upstream-port-issues.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0039-Initial-port-of-core-reading-support-Added-support-f.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0040-Fix-build-issues-after-Xilinx-2023.2-binutils-merge.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0041-disable-truncated-register-warning-gdb-remote.c.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0042-Fix-unresolved-conflicts-from-binutils_2_42_merge.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0043-microblaze_gdbarch_init-set-microblaze_abi-based-on-.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0044-Start-bfd_mach_microblaze-values-from-0-0-1-instead-.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0045-Fix-build-issues-bfd-reloc.c-add-missing-relocs-used.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0046-Regenerate-bfd-bfd-in2.h-bfd-libbfd.h.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0047-gdb-remote.c-revert-earlier-change-to-process_g_pack.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0048-Fix-build-issues-after-Xilinx-2023.2-binutils-patch-.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0049-Add-back-R_MICROBLAZE_NONE-for-linker-relaxation-pro.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0050-When-unwinding-pc-value-adjust-return-pc-value.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0051-info-reg-pc-does-not-print-symbolic-value.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0052-Wrong-target-description-accepted-by-microblaze-arch.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0053-Merge-gdb-microblaze-linux-tdep.c-to-gdb-14-and-fix-.patch create mode 100644 meta-microblaze/recipes-devtools/gdb/gdb/0054-Roll-back-an-improvement-which-inlines-target_gdbarc.patch diff --git a/meta-microblaze/recipes-devtools/gdb/gdb-microblaze.inc b/meta-microblaze/recipes-devtools/gdb/gdb-microblaze.inc index d3618229..151e7c25 100644 --- a/meta-microblaze/recipes-devtools/gdb/gdb-microblaze.inc +++ b/meta-microblaze/recipes-devtools/gdb/gdb-microblaze.inc @@ -4,14 +4,51 @@ LTTNGUST:microblaze = "" # Add MicroBlaze patches FILESEXTRAPATHS:append := ":${THISDIR}/gdb" +# Our changes are all local, no real patch-status +ERROR_QA:remove = "patch-status" + SRC_URI:append:microblaze = " \ - file://0001-Add-initial-port-of-linux-gdbserver.patch \ - file://0002-Patch-MicroBlaze-Initial-port-of-core-reading-suppor.patch \ - file://0003-Fix-debug-message-when-register-is-unavailable.patch \ - file://0004-Patch-MicroBlaze-MicroBlaze-native-gdb-port.patch \ - file://0005-Patch-microblaze-Adding-64-bit-MB-support.patch \ - file://0006-Patch-MicroBlaze-these-changes-will-make-64-bit-vect.patch \ - file://0007-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch \ - file://0008-Patch-MicroBlaze.patch \ - file://0009-gdb-gdserver-Fix-ABI-settings-for-gdbserver.patch \ + file://0001-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch \ + file://0002-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch \ + file://0003-Initial-port-of-core-reading-support-Added-support-f.patch \ + file://0004-Fix-debug-message-when-register-is-unavailable.patch \ + file://0005-MicroBlaze-native-gdb-port.patch \ + file://0006-Adding-64-bit-MB-support-Added-new-architecture-to-M.patch \ + file://0007-these-changes-will-make-64-bit-vectors-as-default-ta.patch \ + file://0008-Added-m64-abi-for-64-bit-target-descriptions.-set-m6.patch \ + file://0009-Depth-Total-number-of-inline-functions-refer-inline-.patch \ + file://0010-Fix-gdb-14-build-errors-for-microblaze-xilinx-elf-20.patch \ + file://0011-fix-gdb-microblaze-xilinx-elf-crash-issue-on-invocat.patch \ + file://0013-Disable-the-warning-message-for-eh_frame_hdr.patch \ + file://0015-upstream-change-to-garbage-collection-sweep-causes-m.patch \ + file://0016-Add-new-bit-field-instructions.patch \ + file://0019-initial-support-for-MicroBlaze-64-bit-m64.patch \ + file://0020-initial-support-for-MicroBlaze-64-bit-m64.patch \ + file://0021-Added-relocations-for-MB-X.patch \ + file://0022-initial-support-for-MicroBlaze-64-bit-m64.patch \ + file://0023-Added-relocations-for-MB-X.patch \ + file://0025-Fixed-address-computation-issues-with-64bit-address-.patch \ + file://0028-fixing-the-long-long-long-mingw-toolchain-issue.patch \ + file://0029-Added-support-to-new-arithmetic-single-register-inst.patch \ + file://0030-double-imml-generation-for-64-bit-values.patch \ + file://0035-ld-emulparams-elf64microblaze-Fix-emulation-generati.patch \ + file://0036-Invalid-data-offsets-pointer-after-relaxation.-Propo.patch \ + file://0037-Double-free-with-ld-no-keep-memory.-Proposed-patches.patch \ + file://0038-MB-binutils-Upstream-port-issues.patch \ + file://0039-Initial-port-of-core-reading-support-Added-support-f.patch \ + file://0040-Fix-build-issues-after-Xilinx-2023.2-binutils-merge.patch \ + file://0041-disable-truncated-register-warning-gdb-remote.c.patch \ + file://0042-Fix-unresolved-conflicts-from-binutils_2_42_merge.patch \ + file://0043-microblaze_gdbarch_init-set-microblaze_abi-based-on-.patch \ + file://0044-Start-bfd_mach_microblaze-values-from-0-0-1-instead-.patch \ + file://0045-Fix-build-issues-bfd-reloc.c-add-missing-relocs-used.patch \ + file://0046-Regenerate-bfd-bfd-in2.h-bfd-libbfd.h.patch \ + file://0047-gdb-remote.c-revert-earlier-change-to-process_g_pack.patch \ + file://0048-Fix-build-issues-after-Xilinx-2023.2-binutils-patch-.patch \ + file://0049-Add-back-R_MICROBLAZE_NONE-for-linker-relaxation-pro.patch \ + file://0050-When-unwinding-pc-value-adjust-return-pc-value.patch \ + file://0051-info-reg-pc-does-not-print-symbolic-value.patch \ + file://0052-Wrong-target-description-accepted-by-microblaze-arch.patch \ + file://0053-Merge-gdb-microblaze-linux-tdep.c-to-gdb-14-and-fix-.patch \ + file://0054-Roll-back-an-improvement-which-inlines-target_gdbarc.patch \ " diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0001-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0001-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch new file mode 100644 index 00000000..bf7b3363 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0001-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch @@ -0,0 +1,42 @@ +From fc4e376f932514d9e5e3c04a18952d5900334c09 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 10 Oct 2022 15:07:22 +0530 +Subject: [PATCH 01/54] Add initial port of linux gdbserver add + gdb_proc_service_h to gdbserver microblaze-linux + +gdbserver needs to initialise the microblaze registers + +other archs use this step to run a *_arch_setup() to carry out all +architecture specific setup - may need to add in future + + * add linux-ptrace.o to gdbserver configure + * Update breakpoint opcode + * fix segfault on connecting gdbserver + * add microblaze_linux_memory_remove_breakpoint + * add set_solib_svr4_fetch_link_map_offsets + * add set_gdbarch_fetch_tls_load_module_address + * Force reading of r0 as 0, prevent stores + +Signed-off-by: David Holsgrove +Signed-off-by: Nathan Rossi +Signed-off-by: Mahesh Bodapati +Signed-off-by: Aayush Misra +--- + gdbserver/Makefile.in | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/gdbserver/Makefile.in b/gdbserver/Makefile.in +index b597515d428..faf32cd9d42 100644 +--- a/gdbserver/Makefile.in ++++ b/gdbserver/Makefile.in +@@ -180,6 +180,7 @@ SFILES = \ + $(srcdir)/linux-loongarch-low.cc \ + $(srcdir)/linux-low.cc \ + $(srcdir)/linux-m68k-low.cc \ ++ $(srcdir)/linux-microblaze-low.cc \ + $(srcdir)/linux-mips-low.cc \ + $(srcdir)/linux-nios2-low.cc \ + $(srcdir)/linux-or1k-low.cc \ +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0001-Add-initial-port-of-linux-gdbserver.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0001-Add-initial-port-of-linux-gdbserver.patch deleted file mode 100644 index 050bdde5..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0001-Add-initial-port-of-linux-gdbserver.patch +++ /dev/null @@ -1,653 +0,0 @@ -From baac387700a72407b3994bfd0a03825112c9745f Mon Sep 17 00:00:00 2001 -From: Mahesh Bodapati -Date: Mon, 10 Oct 2022 15:07:22 +0530 -Subject: [PATCH 1/8] Add initial port of linux gdbserver add - gdb_proc_service_h to gdbserver microblaze-linux - -gdbserver needs to initialise the microblaze registers - -other archs use this step to run a *_arch_setup() to carry out all -architecture specific setup - may need to add in future - - * add linux-ptrace.o to gdbserver configure - * Update breakpoint opcode - * fix segfault on connecting gdbserver - * add microblaze_linux_memory_remove_breakpoint - * add set_solib_svr4_fetch_link_map_offsets - * add set_gdbarch_fetch_tls_load_module_address - * Force reading of r0 as 0, prevent stores - -Upstream-Status: Pending - -Signed-off-by: David Holsgrove -Signed-off-by: Nathan Rossi -Signed-off-by: Mahesh Bodapati ---- - gdb/configure.host | 2 + - gdb/features/Makefile | 1 + - gdb/features/microblaze-linux.xml | 13 ++ - gdb/microblaze-linux-tdep.c | 29 ++- - gdb/microblaze-tdep.c | 35 +++- - gdb/microblaze-tdep.h | 4 +- - gdb/regformats/microblaze-linux.dat | 64 +++++++ - gdb/regformats/reg-microblaze.dat | 41 +++++ - gdbserver/Makefile.in | 1 + - gdbserver/configure.srv | 10 ++ - gdbserver/linux-microblaze-low.cc | 269 ++++++++++++++++++++++++++++ - 11 files changed, 466 insertions(+), 3 deletions(-) - create mode 100644 gdb/features/microblaze-linux.xml - create mode 100644 gdb/regformats/microblaze-linux.dat - create mode 100644 gdb/regformats/reg-microblaze.dat - create mode 100644 gdbserver/linux-microblaze-low.cc - -diff --git a/gdb/configure.host b/gdb/configure.host -index da71675b201..877537d06ef 100644 ---- a/gdb/configure.host -+++ b/gdb/configure.host -@@ -61,6 +61,7 @@ i[34567]86*) gdb_host_cpu=i386 ;; - loongarch*) gdb_host_cpu=loongarch ;; - m68*) gdb_host_cpu=m68k ;; - mips*) gdb_host_cpu=mips ;; -+microblaze*) gdb_host_cpu=microblaze ;; - powerpc* | rs6000) gdb_host_cpu=powerpc ;; - sparcv9 | sparc64) gdb_host_cpu=sparc ;; - s390*) gdb_host_cpu=s390 ;; -@@ -127,6 +128,7 @@ m68*-*-openbsd*) gdb_host=obsd ;; - - m88*-*-openbsd*) gdb_host=obsd ;; - -+microblaze*-*linux*) gdb_host=linux ;; - mips*-*-linux*) gdb_host=linux ;; - mips*-*-netbsdaout* | mips*-*-knetbsd*-gnu) - gdb_host=nbsd ;; -diff --git a/gdb/features/Makefile b/gdb/features/Makefile -index 68e17d0085d..fc3196864c9 100644 ---- a/gdb/features/Makefile -+++ b/gdb/features/Makefile -@@ -46,6 +46,7 @@ - # List of .dat files to create in ../regformats/ - WHICH = mips-linux mips-dsp-linux \ - mips64-linux mips64-dsp-linux \ -+ microblaze-linux \ - nios2-linux \ - or1k-linux \ - rs6000/powerpc-32 \ -diff --git a/gdb/features/microblaze-linux.xml b/gdb/features/microblaze-linux.xml -new file mode 100644 -index 00000000000..688a3f83d1e ---- /dev/null -+++ b/gdb/features/microblaze-linux.xml -@@ -0,0 +1,13 @@ -+ -+ -+ -+ -+ -+ microblaze -+ GNU/Linux -+ -+ -diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c -index daa7ddf7e4d..5748556a556 100644 ---- a/gdb/microblaze-linux-tdep.c -+++ b/gdb/microblaze-linux-tdep.c -@@ -37,6 +37,22 @@ - #include "tramp-frame.h" - #include "linux-tdep.h" - -+static int microblaze_debug_flag = 0; -+ -+static void -+microblaze_debug (const char *fmt, ...) -+{ -+ if (microblaze_debug_flag) -+ { -+ va_list args; -+ -+ va_start (args, fmt); -+ printf_unfiltered ("MICROBLAZE LINUX: "); -+ vprintf_unfiltered (fmt, args); -+ va_end (args); -+ } -+} -+ - static int - microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, - struct bp_target_info *bp_tgt) -@@ -50,13 +66,20 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, - /* Determine appropriate breakpoint contents and size for this address. */ - bp = gdbarch_breakpoint_from_pc (gdbarch, &addr, &bplen); - -+ /* Make sure we see the memory breakpoints. */ -+ scoped_restore restore_memory -+ = make_scoped_restore_show_memory_breakpoints (1); -+ - val = target_read_memory (addr, old_contents, bplen); - - /* If our breakpoint is no longer at the address, this means that the - program modified the code on us, so it is wrong to put back the - old value. */ - if (val == 0 && memcmp (bp, old_contents, bplen) == 0) -- val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen); -+ { -+ val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen); -+ microblaze_debug ("microblaze_linux_memory_remove_breakpoint writing back to memory at addr 0x%lx\n", addr); -+ } - - return val; - } -@@ -129,6 +152,10 @@ microblaze_linux_init_abi (struct gdbarch_info info, - /* Trampolines. */ - tramp_frame_prepend_unwinder (gdbarch, - µblaze_linux_sighandler_tramp_frame); -+ -+ /* Enable TLS support. */ -+ set_gdbarch_fetch_tls_load_module_address (gdbarch, -+ svr4_fetch_objfile_link_map); - } - - void _initialize_microblaze_linux_tdep (); -diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c -index 3d5dd669341..3e8e8fe35b9 100644 ---- a/gdb/microblaze-tdep.c -+++ b/gdb/microblaze-tdep.c -@@ -128,7 +128,38 @@ microblaze_fetch_instruction (CORE_ADDR pc) - constexpr gdb_byte microblaze_break_insn[] = MICROBLAZE_BREAKPOINT; - - typedef BP_MANIPULATION (microblaze_break_insn) microblaze_breakpoint; -- -+static int -+microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, -+ struct bp_target_info *bp_tgt) -+{ -+ CORE_ADDR addr = bp_tgt->placed_address; -+ const unsigned char *bp; -+ int val; -+ int bplen; -+ gdb_byte old_contents[BREAKPOINT_MAX]; -+ -+ /* Determine appropriate breakpoint contents and size for this address. */ -+ bp = gdbarch_breakpoint_from_pc (gdbarch, &addr, &bplen); -+ if (bp == NULL) -+ error (_("Software breakpoints not implemented for this target.")); -+ -+ /* Make sure we see the memory breakpoints. */ -+ scoped_restore restore_memory -+ = make_scoped_restore_show_memory_breakpoints (1); -+ -+ val = target_read_memory (addr, old_contents, bplen); -+ -+ /* If our breakpoint is no longer at the address, this means that the -+ program modified the code on us, so it is wrong to put back the -+ old value. */ -+ if (val == 0 && memcmp (bp, old_contents, bplen) == 0) -+ { -+ val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen); -+ microblaze_debug ("microblaze_linux_memory_remove_breakpoint writing back to memory at addr 0x%lx\n", addr); -+ } -+ -+ return val; -+} - - /* Allocate and initialize a frame cache. */ - -@@ -716,6 +747,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - microblaze_breakpoint::kind_from_pc); - set_gdbarch_sw_breakpoint_from_kind (gdbarch, - microblaze_breakpoint::bp_from_kind); -+ set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); - - set_gdbarch_frame_args_skip (gdbarch, 8); - -@@ -756,4 +788,5 @@ When non-zero, microblaze specific debugging is enabled."), - NULL, - &setdebuglist, &showdebuglist); - -+ - } -diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h -index 4d90e8785dc..53fcb2297e6 100644 ---- a/gdb/microblaze-tdep.h -+++ b/gdb/microblaze-tdep.h -@@ -118,6 +118,8 @@ struct microblaze_frame_cache - - /* MICROBLAZE_BREAKPOINT defines the breakpoint that should be used. - Only used for native debugging. */ --#define MICROBLAZE_BREAKPOINT {0xb9, 0xcc, 0x00, 0x60} -+#define MICROBLAZE_BREAKPOINT {0xba, 0x0c, 0x00, 0x18} -+#define MICROBLAZE_BREAKPOINT_LE {0x18, 0x00, 0x0c, 0xba} -+ - - #endif /* microblaze-tdep.h */ -diff --git a/gdb/regformats/microblaze-linux.dat b/gdb/regformats/microblaze-linux.dat -new file mode 100644 -index 00000000000..b5b49f485cd ---- /dev/null -+++ b/gdb/regformats/microblaze-linux.dat -@@ -0,0 +1,64 @@ -+# THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi :set ro: -+# Generated from: microblaze-linux.xml -+name:microblaze_linux -+xmltarget:microblaze-linux.xml -+expedite:r1,rpc -+32:r0 -+32:r1 -+32:r2 -+32:r3 -+32:r4 -+32:r5 -+32:r6 -+32:r7 -+32:r8 -+32:r9 -+32:r10 -+32:r11 -+32:r12 -+32:r13 -+32:r14 -+32:r15 -+32:r16 -+32:r17 -+32:r18 -+32:r19 -+32:r20 -+32:r21 -+32:r22 -+32:r23 -+32:r24 -+32:r25 -+32:r26 -+32:r27 -+32:r28 -+32:r29 -+32:r30 -+32:r31 -+32:rpc -+32:rmsr -+32:rear -+32:resr -+32:rfsr -+32:rbtr -+32:rpvr0 -+32:rpvr1 -+32:rpvr2 -+32:rpvr3 -+32:rpvr4 -+32:rpvr5 -+32:rpvr6 -+32:rpvr7 -+32:rpvr8 -+32:rpvr9 -+32:rpvr10 -+32:rpvr11 -+32:redr -+32:rpid -+32:rzpr -+32:rtlbx -+32:rtlbsx -+32:rtlblo -+32:rtlbhi -+32:slr -+32:shr -diff --git a/gdb/regformats/reg-microblaze.dat b/gdb/regformats/reg-microblaze.dat -new file mode 100644 -index 00000000000..bd8a4384424 ---- /dev/null -+++ b/gdb/regformats/reg-microblaze.dat -@@ -0,0 +1,41 @@ -+name:microblaze -+expedite:r1,pc -+32:r0 -+32:r1 -+32:r2 -+32:r3 -+32:r4 -+32:r5 -+32:r6 -+32:r7 -+32:r8 -+32:r9 -+32:r10 -+32:r11 -+32:r12 -+32:r13 -+32:r14 -+32:r15 -+32:r16 -+32:r17 -+32:r18 -+32:r19 -+32:r20 -+32:r21 -+32:r22 -+32:r23 -+32:r24 -+32:r25 -+32:r26 -+32:r27 -+32:r28 -+32:r29 -+32:r30 -+32:r31 -+32:pc -+32:msr -+32:ear -+32:esr -+32:fsr -+32:slr -+32:shr -diff --git a/gdbserver/Makefile.in b/gdbserver/Makefile.in -index 47648b8d962..55a5f5b81ae 100644 ---- a/gdbserver/Makefile.in -+++ b/gdbserver/Makefile.in -@@ -178,6 +178,7 @@ SFILES = \ - $(srcdir)/linux-ia64-low.cc \ - $(srcdir)/linux-low.cc \ - $(srcdir)/linux-m68k-low.cc \ -+ $(srcdir)/linux-microblaze-low.cc \ - $(srcdir)/linux-mips-low.cc \ - $(srcdir)/linux-nios2-low.cc \ - $(srcdir)/linux-or1k-low.cc \ -diff --git a/gdbserver/configure.srv b/gdbserver/configure.srv -index 6e09b0eeb79..1817f1f04fb 100644 ---- a/gdbserver/configure.srv -+++ b/gdbserver/configure.srv -@@ -145,6 +145,16 @@ case "${gdbserver_host}" in - srv_linux_regsets=yes - srv_linux_thread_db=yes - ;; -+ -+microblaze*-*-linux*) srv_regobj="microblaze-linux.o" -+ srv_tgtobj="$srv_linux_obj linux-microblaze-low.o" -+ srv_xmlfiles="microblaze-linux.xml" -+ srv_xmlfiles="${srv_xmlfiles} microblaze-core.xml" -+ srv_linux_usrregs=yes -+ srv_linux_regsets=yes -+ srv_linux_thread_db=yes -+ ;; -+ - mips*-*-linux*) srv_regobj="mips-linux.o" - srv_regobj="${srv_regobj} mips-dsp-linux.o" - srv_regobj="${srv_regobj} mips64-linux.o" -diff --git a/gdbserver/linux-microblaze-low.cc b/gdbserver/linux-microblaze-low.cc -new file mode 100644 -index 00000000000..bf9eecc41ab ---- /dev/null -+++ b/gdbserver/linux-microblaze-low.cc -@@ -0,0 +1,269 @@ -+/* GNU/Linux/Microblaze specific low level interface, for the remote server for -+ GDB. -+ Copyright (C) 1995-2013 Free Software Foundation, Inc. -+ -+ This file is part of GDB. -+ -+ This program is free software; you can redistribute it and/or modify -+ it under the terms of the GNU General Public License as published by -+ the Free Software Foundation; either version 3 of the License, or -+ (at your option) any later version. -+ -+ This program is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ GNU General Public License for more details. -+ -+ You should have received a copy of the GNU General Public License -+ along with this program. If not, see . */ -+ -+#include "server.h" -+#include "linux-low.h" -+ -+#include "elf/common.h" -+#include "nat/gdb_ptrace.h" -+#include -+ -+#include -+#include -+#include -+ -+#include "gdb_proc_service.h" -+ -+ -+static int microblaze_regmap[] = -+ {PT_GPR(0), PT_GPR(1), PT_GPR(2), PT_GPR(3), -+ PT_GPR(4), PT_GPR(5), PT_GPR(6), PT_GPR(7), -+ PT_GPR(8), PT_GPR(9), PT_GPR(10), PT_GPR(11), -+ PT_GPR(12), PT_GPR(13), PT_GPR(14), PT_GPR(15), -+ PT_GPR(16), PT_GPR(17), PT_GPR(18), PT_GPR(19), -+ PT_GPR(20), PT_GPR(21), PT_GPR(22), PT_GPR(23), -+ PT_GPR(24), PT_GPR(25), PT_GPR(26), PT_GPR(27), -+ PT_GPR(28), PT_GPR(29), PT_GPR(30), PT_GPR(31), -+ PT_PC, PT_MSR, PT_EAR, PT_ESR, -+ PT_FSR -+ }; -+ -+ -+ -+class microblaze_target : public linux_process_target -+{ -+public: -+ -+ const regs_info *get_regs_info () override; -+ -+ const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; -+ // CORE_ADDR microblaze_reinsert_addr (regcache *regcache); -+ -+protected: -+ -+ void low_arch_setup () override; -+ -+ bool low_cannot_fetch_register (int regno) override; -+ -+ bool low_cannot_store_register (int regno) override; -+ -+ // bool low_supports_breakpoints () override; -+ -+ CORE_ADDR low_get_pc (regcache *regcache) override; -+ -+ void low_set_pc (regcache *regcache, CORE_ADDR newpc) override; -+ -+ bool low_breakpoint_at (CORE_ADDR pc) override; -+}; -+ -+/* The singleton target ops object. */ -+ -+static microblaze_target the_microblaze_target; -+ -+#define microblaze_num_regs (sizeof (microblaze_regmap) / sizeof (microblaze_regmap[0])) -+ -+/* Defined in auto-generated file microblaze-linux.c. */ -+void init_registers_microblaze_linux (void); -+extern const struct target_desc *tdesc_microblaze_linux; -+ -+bool -+microblaze_target::low_cannot_store_register (int regno) -+{ -+ if (microblaze_regmap[regno] == -1 || regno == 0) -+ return 1; -+ -+ return 0; -+} -+ -+bool -+microblaze_target::low_cannot_fetch_register (int regno) -+{ -+ return 0; -+} -+ -+CORE_ADDR -+microblaze_target::low_get_pc (struct regcache *regcache) -+{ -+ unsigned long pc; -+ -+ collect_register_by_name (regcache, "pc", &pc); -+ return (CORE_ADDR) pc; -+} -+ -+void -+microblaze_target::low_set_pc (struct regcache *regcache, CORE_ADDR pc) -+{ -+ unsigned long newpc = pc; -+ -+ supply_register_by_name (regcache, "pc", &newpc); -+} -+ -+/* dbtrap insn */ -+/* brki r16, 0x18; */ -+static const unsigned long microblaze_breakpoint = 0xba0c0018; -+#define microblaze_breakpoint_len 4 -+ -+/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */ -+ -+const gdb_byte * -+microblaze_target::sw_breakpoint_from_kind (int kind, int *size) -+{ -+ *size = microblaze_breakpoint_len; -+ return (const gdb_byte *) µblaze_breakpoint; -+} -+ -+bool -+microblaze_target::low_breakpoint_at (CORE_ADDR where) -+{ -+ unsigned long insn; -+ -+ read_memory (where, (unsigned char *) &insn, 4); -+ if (insn == microblaze_breakpoint) -+ return 1; -+ /* If necessary, recognize more trap instructions here. GDB only uses the -+ one. */ -+ return 0; -+} -+#if 0 -+CORE_ADDR -+microblaze_target::microblaze_reinsert_addr (struct regcache *regcache) -+{ -+ unsigned long pc; -+ collect_register_by_name (regcache, "r15", &pc); -+ return pc; -+} -+#endif -+#if 0 -+#ifdef HAVE_PTRACE_GETREGS -+ -+static void -+microblaze_collect_ptrace_register (struct regcache *regcache, int regno, char *buf) -+{ -+ int size = register_size (regcache->tdesc, regno); -+ -+ memset (buf, 0, sizeof (long)); -+ -+ if (size < sizeof (long)) -+ collect_register (regcache, regno, buf + sizeof (long) - size); -+ else -+ collect_register (regcache, regno, buf); -+} -+ -+static void -+microblaze_supply_ptrace_register (struct regcache *regcache, -+ int regno, const char *buf) -+{ -+ int size = register_size (regcache->tdesc, regno); -+ -+ if (regno == 0) { -+ unsigned long regbuf_0 = 0; -+ /* clobbering r0 so that it is always 0 as enforced by hardware */ -+ supply_register (regcache, regno, (const char*)®buf_0); -+ } else { -+ if (size < sizeof (long)) -+ supply_register (regcache, regno, buf + sizeof (long) - size); -+ else -+ supply_register (regcache, regno, buf); -+ } -+} -+ -+/* Provide only a fill function for the general register set. ps_lgetregs -+ will use this for NPTL support. */ -+ -+static void microblaze_fill_gregset (struct regcache *regcache, void *buf) -+{ -+ int i; -+ -+ for (i = 0; i < 32; i++) -+ microblaze_collect_ptrace_register (regcache, i, (char *) buf + microblaze_regmap[i]); -+} -+ -+static void -+microblaze_store_gregset (struct regcache *regcache, const void *buf) -+{ -+ int i; -+ -+ for (i = 0; i < 32; i++) -+ supply_register (regcache, i, (char *) buf + microblaze_regmap[i]); -+} -+ -+#endif /* HAVE_PTRACE_GETREGS */ -+#endif -+ -+static struct regset_info microblaze_regsets[] = { -+#if 0 -+#ifdef HAVE_PTRACE_GETREGS -+ { PTRACE_GETREGS, PTRACE_SETREGS, 0, sizeof (elf_gregset_t), GENERAL_REGS, microblaze_fill_gregset, microblaze_store_gregset }, -+ { 0, 0, 0, -1, GENERAL_REGS, NULL, NULL }, -+#endif /* HAVE_PTRACE_GETREGS */ -+#endif -+ { 0, 0, 0, -1, GENERAL_REGS, NULL, NULL }, -+ NULL_REGSET -+}; -+ -+static struct usrregs_info microblaze_usrregs_info = -+ { -+ microblaze_num_regs, -+ microblaze_regmap, -+ }; -+ -+static struct regsets_info microblaze_regsets_info = -+ { -+ microblaze_regsets, /* regsets */ -+ 0, /* num_regsets */ -+ NULL, /* disabled_regsets */ -+ }; -+ -+static struct regs_info microblaze_regs_info = -+ { -+ NULL, /* regset_bitmap */ -+ µblaze_usrregs_info, -+ µblaze_regsets_info -+ }; -+ -+const regs_info * -+microblaze_target::get_regs_info (void) -+{ -+ return µblaze_regs_info; -+} -+ -+/* Support for hardware single step. */ -+ -+static int -+microblaze_supports_hardware_single_step (void) -+{ -+ return 1; -+} -+ -+ -+void -+microblaze_target::low_arch_setup (void) -+{ -+ current_process ()->tdesc = tdesc_microblaze_linux; -+} -+ -+linux_process_target *the_linux_target = &the_microblaze_target; -+ -+void -+initialize_low_arch (void) -+{ -+ init_registers_microblaze_linux (); -+ initialize_regsets_info (µblaze_regsets_info); -+} -+ --- -2.37.1 (Apple Git-137.1) - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0002-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0002-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch new file mode 100644 index 00000000..02b42cbd --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0002-Add-initial-port-of-linux-gdbserver-add-gdb_proc_ser.patch @@ -0,0 +1,639 @@ +From fa91dbd8c23e519760213f32de572cbf98ad6bc3 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 10 Oct 2022 15:07:22 +0530 +Subject: [PATCH 02/54] Add initial port of linux gdbserver add + gdb_proc_service_h to gdbserver microblaze-linux + +gdbserver needs to initialise the microblaze registers + +other archs use this step to run a *_arch_setup() to carry out all +architecture specific setup - may need to add in future + + * add linux-ptrace.o to gdbserver configure + * Update breakpoint opcode + * fix segfault on connecting gdbserver + * add microblaze_linux_memory_remove_breakpoint + * add set_solib_svr4_fetch_link_map_offsets + * add set_gdbarch_fetch_tls_load_module_address + * Force reading of r0 as 0, prevent stores + +Signed-off-by: David Holsgrove +Signed-off-by: Nathan Rossi +Signed-off-by: Mahesh Bodapati +Signed-off-by: Aayush Misra +--- + gdb/configure.host | 2 + + gdb/features/Makefile | 1 + + gdb/features/microblaze-linux.xml | 13 ++ + gdb/microblaze-linux-tdep.c | 29 ++- + gdb/microblaze-tdep.c | 35 +++- + gdb/microblaze-tdep.h | 4 +- + gdb/regformats/microblaze-linux.dat | 64 +++++++ + gdb/regformats/reg-microblaze.dat | 41 +++++ + gdbserver/configure.srv | 10 ++ + gdbserver/linux-microblaze-low.cc | 269 ++++++++++++++++++++++++++++ + 10 files changed, 465 insertions(+), 3 deletions(-) + create mode 100644 gdb/features/microblaze-linux.xml + create mode 100644 gdb/regformats/microblaze-linux.dat + create mode 100644 gdb/regformats/reg-microblaze.dat + create mode 100644 gdbserver/linux-microblaze-low.cc + +diff --git a/gdb/configure.host b/gdb/configure.host +index da71675b201..877537d06ef 100644 +--- a/gdb/configure.host ++++ b/gdb/configure.host +@@ -61,6 +61,7 @@ i[34567]86*) gdb_host_cpu=i386 ;; + loongarch*) gdb_host_cpu=loongarch ;; + m68*) gdb_host_cpu=m68k ;; + mips*) gdb_host_cpu=mips ;; ++microblaze*) gdb_host_cpu=microblaze ;; + powerpc* | rs6000) gdb_host_cpu=powerpc ;; + sparcv9 | sparc64) gdb_host_cpu=sparc ;; + s390*) gdb_host_cpu=s390 ;; +@@ -127,6 +128,7 @@ m68*-*-openbsd*) gdb_host=obsd ;; + + m88*-*-openbsd*) gdb_host=obsd ;; + ++microblaze*-*linux*) gdb_host=linux ;; + mips*-*-linux*) gdb_host=linux ;; + mips*-*-netbsdaout* | mips*-*-knetbsd*-gnu) + gdb_host=nbsd ;; +diff --git a/gdb/features/Makefile b/gdb/features/Makefile +index 32341f71815..0af9d67c2f7 100644 +--- a/gdb/features/Makefile ++++ b/gdb/features/Makefile +@@ -46,6 +46,7 @@ + # List of .dat files to create in ../regformats/ + WHICH = mips-linux mips-dsp-linux \ + mips64-linux mips64-dsp-linux \ ++ microblaze-linux \ + nios2-linux \ + or1k-linux \ + rs6000/powerpc-32 \ +diff --git a/gdb/features/microblaze-linux.xml b/gdb/features/microblaze-linux.xml +new file mode 100644 +index 00000000000..688a3f83d1e +--- /dev/null ++++ b/gdb/features/microblaze-linux.xml +@@ -0,0 +1,13 @@ ++ ++ ++ ++ ++ ++ microblaze ++ GNU/Linux ++ ++ +diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c +index ae33cb5c014..9160b4ad464 100644 +--- a/gdb/microblaze-linux-tdep.c ++++ b/gdb/microblaze-linux-tdep.c +@@ -37,6 +37,22 @@ + #include "tramp-frame.h" + #include "linux-tdep.h" + ++static int microblaze_debug_flag = 0; ++ ++static void ++microblaze_debug (const char *fmt, ...) ++{ ++ if (microblaze_debug_flag) ++ { ++ va_list args; ++ ++ va_start (args, fmt); ++ printf_unfiltered ("MICROBLAZE LINUX: "); ++ vprintf_unfiltered (fmt, args); ++ va_end (args); ++ } ++} ++ + static int + microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + struct bp_target_info *bp_tgt) +@@ -50,13 +66,20 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + /* Determine appropriate breakpoint contents and size for this address. */ + bp = gdbarch_breakpoint_from_pc (gdbarch, &addr, &bplen); + ++ /* Make sure we see the memory breakpoints. */ ++ scoped_restore restore_memory ++ = make_scoped_restore_show_memory_breakpoints (1); ++ + val = target_read_memory (addr, old_contents, bplen); + + /* If our breakpoint is no longer at the address, this means that the + program modified the code on us, so it is wrong to put back the + old value. */ + if (val == 0 && memcmp (bp, old_contents, bplen) == 0) +- val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen); ++ { ++ val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen); ++ microblaze_debug ("microblaze_linux_memory_remove_breakpoint writing back to memory at addr 0x%lx\n", addr); ++ } + + return val; + } +@@ -129,6 +152,10 @@ microblaze_linux_init_abi (struct gdbarch_info info, + /* Trampolines. */ + tramp_frame_prepend_unwinder (gdbarch, + µblaze_linux_sighandler_tramp_frame); ++ ++ /* Enable TLS support. */ ++ set_gdbarch_fetch_tls_load_module_address (gdbarch, ++ svr4_fetch_objfile_link_map); + } + + void _initialize_microblaze_linux_tdep (); +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index f254a54305c..28a647e940b 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -128,7 +128,38 @@ microblaze_fetch_instruction (CORE_ADDR pc) + constexpr gdb_byte microblaze_break_insn[] = MICROBLAZE_BREAKPOINT; + + typedef BP_MANIPULATION (microblaze_break_insn) microblaze_breakpoint; +- ++static int ++microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, ++ struct bp_target_info *bp_tgt) ++{ ++ CORE_ADDR addr = bp_tgt->placed_address; ++ const unsigned char *bp; ++ int val; ++ int bplen; ++ gdb_byte old_contents[BREAKPOINT_MAX]; ++ ++ /* Determine appropriate breakpoint contents and size for this address. */ ++ bp = gdbarch_breakpoint_from_pc (gdbarch, &addr, &bplen); ++ if (bp == NULL) ++ error (_("Software breakpoints not implemented for this target.")); ++ ++ /* Make sure we see the memory breakpoints. */ ++ scoped_restore restore_memory ++ = make_scoped_restore_show_memory_breakpoints (1); ++ ++ val = target_read_memory (addr, old_contents, bplen); ++ ++ /* If our breakpoint is no longer at the address, this means that the ++ program modified the code on us, so it is wrong to put back the ++ old value. */ ++ if (val == 0 && memcmp (bp, old_contents, bplen) == 0) ++ { ++ val = target_write_raw_memory (addr, bp_tgt->shadow_contents, bplen); ++ microblaze_debug ("microblaze_linux_memory_remove_breakpoint writing back to memory at addr 0x%lx\n", addr); ++ } ++ ++ return val; ++} + + /* Allocate and initialize a frame cache. */ + +@@ -714,6 +745,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + microblaze_breakpoint::kind_from_pc); + set_gdbarch_sw_breakpoint_from_kind (gdbarch, + microblaze_breakpoint::bp_from_kind); ++ set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); + + set_gdbarch_frame_args_skip (gdbarch, 8); + +@@ -754,4 +786,5 @@ When non-zero, microblaze specific debugging is enabled."), + NULL, + &setdebuglist, &showdebuglist); + ++ + } +diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h +index 892e5b3b849..e9f57e97c26 100644 +--- a/gdb/microblaze-tdep.h ++++ b/gdb/microblaze-tdep.h +@@ -118,6 +118,8 @@ struct microblaze_frame_cache + + /* MICROBLAZE_BREAKPOINT defines the breakpoint that should be used. + Only used for native debugging. */ +-#define MICROBLAZE_BREAKPOINT {0xb9, 0xcc, 0x00, 0x60} ++#define MICROBLAZE_BREAKPOINT {0xba, 0x0c, 0x00, 0x18} ++#define MICROBLAZE_BREAKPOINT_LE {0x18, 0x00, 0x0c, 0xba} ++ + + #endif /* microblaze-tdep.h */ +diff --git a/gdb/regformats/microblaze-linux.dat b/gdb/regformats/microblaze-linux.dat +new file mode 100644 +index 00000000000..b5b49f485cd +--- /dev/null ++++ b/gdb/regformats/microblaze-linux.dat +@@ -0,0 +1,64 @@ ++# THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi :set ro: ++# Generated from: microblaze-linux.xml ++name:microblaze_linux ++xmltarget:microblaze-linux.xml ++expedite:r1,rpc ++32:r0 ++32:r1 ++32:r2 ++32:r3 ++32:r4 ++32:r5 ++32:r6 ++32:r7 ++32:r8 ++32:r9 ++32:r10 ++32:r11 ++32:r12 ++32:r13 ++32:r14 ++32:r15 ++32:r16 ++32:r17 ++32:r18 ++32:r19 ++32:r20 ++32:r21 ++32:r22 ++32:r23 ++32:r24 ++32:r25 ++32:r26 ++32:r27 ++32:r28 ++32:r29 ++32:r30 ++32:r31 ++32:rpc ++32:rmsr ++32:rear ++32:resr ++32:rfsr ++32:rbtr ++32:rpvr0 ++32:rpvr1 ++32:rpvr2 ++32:rpvr3 ++32:rpvr4 ++32:rpvr5 ++32:rpvr6 ++32:rpvr7 ++32:rpvr8 ++32:rpvr9 ++32:rpvr10 ++32:rpvr11 ++32:redr ++32:rpid ++32:rzpr ++32:rtlbx ++32:rtlbsx ++32:rtlblo ++32:rtlbhi ++32:slr ++32:shr +diff --git a/gdb/regformats/reg-microblaze.dat b/gdb/regformats/reg-microblaze.dat +new file mode 100644 +index 00000000000..bd8a4384424 +--- /dev/null ++++ b/gdb/regformats/reg-microblaze.dat +@@ -0,0 +1,41 @@ ++name:microblaze ++expedite:r1,pc ++32:r0 ++32:r1 ++32:r2 ++32:r3 ++32:r4 ++32:r5 ++32:r6 ++32:r7 ++32:r8 ++32:r9 ++32:r10 ++32:r11 ++32:r12 ++32:r13 ++32:r14 ++32:r15 ++32:r16 ++32:r17 ++32:r18 ++32:r19 ++32:r20 ++32:r21 ++32:r22 ++32:r23 ++32:r24 ++32:r25 ++32:r26 ++32:r27 ++32:r28 ++32:r29 ++32:r30 ++32:r31 ++32:pc ++32:msr ++32:ear ++32:esr ++32:fsr ++32:slr ++32:shr +diff --git a/gdbserver/configure.srv b/gdbserver/configure.srv +index 9e861a75088..11ce617e72f 100644 +--- a/gdbserver/configure.srv ++++ b/gdbserver/configure.srv +@@ -159,6 +159,16 @@ case "${gdbserver_host}" in + srv_linux_regsets=yes + srv_linux_thread_db=yes + ;; ++ ++microblaze*-*-linux*) srv_regobj="microblaze-linux.o" ++ srv_tgtobj="$srv_linux_obj linux-microblaze-low.o" ++ srv_xmlfiles="microblaze-linux.xml" ++ srv_xmlfiles="${srv_xmlfiles} microblaze-core.xml" ++ srv_linux_usrregs=yes ++ srv_linux_regsets=yes ++ srv_linux_thread_db=yes ++ ;; ++ + mips*-*-linux*) srv_regobj="mips-linux.o" + srv_regobj="${srv_regobj} mips-dsp-linux.o" + srv_regobj="${srv_regobj} mips64-linux.o" +diff --git a/gdbserver/linux-microblaze-low.cc b/gdbserver/linux-microblaze-low.cc +new file mode 100644 +index 00000000000..bf9eecc41ab +--- /dev/null ++++ b/gdbserver/linux-microblaze-low.cc +@@ -0,0 +1,269 @@ ++/* GNU/Linux/Microblaze specific low level interface, for the remote server for ++ GDB. ++ Copyright (C) 1995-2013 Free Software Foundation, Inc. ++ ++ This file is part of GDB. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program. If not, see . */ ++ ++#include "server.h" ++#include "linux-low.h" ++ ++#include "elf/common.h" ++#include "nat/gdb_ptrace.h" ++#include ++ ++#include ++#include ++#include ++ ++#include "gdb_proc_service.h" ++ ++ ++static int microblaze_regmap[] = ++ {PT_GPR(0), PT_GPR(1), PT_GPR(2), PT_GPR(3), ++ PT_GPR(4), PT_GPR(5), PT_GPR(6), PT_GPR(7), ++ PT_GPR(8), PT_GPR(9), PT_GPR(10), PT_GPR(11), ++ PT_GPR(12), PT_GPR(13), PT_GPR(14), PT_GPR(15), ++ PT_GPR(16), PT_GPR(17), PT_GPR(18), PT_GPR(19), ++ PT_GPR(20), PT_GPR(21), PT_GPR(22), PT_GPR(23), ++ PT_GPR(24), PT_GPR(25), PT_GPR(26), PT_GPR(27), ++ PT_GPR(28), PT_GPR(29), PT_GPR(30), PT_GPR(31), ++ PT_PC, PT_MSR, PT_EAR, PT_ESR, ++ PT_FSR ++ }; ++ ++ ++ ++class microblaze_target : public linux_process_target ++{ ++public: ++ ++ const regs_info *get_regs_info () override; ++ ++ const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; ++ // CORE_ADDR microblaze_reinsert_addr (regcache *regcache); ++ ++protected: ++ ++ void low_arch_setup () override; ++ ++ bool low_cannot_fetch_register (int regno) override; ++ ++ bool low_cannot_store_register (int regno) override; ++ ++ // bool low_supports_breakpoints () override; ++ ++ CORE_ADDR low_get_pc (regcache *regcache) override; ++ ++ void low_set_pc (regcache *regcache, CORE_ADDR newpc) override; ++ ++ bool low_breakpoint_at (CORE_ADDR pc) override; ++}; ++ ++/* The singleton target ops object. */ ++ ++static microblaze_target the_microblaze_target; ++ ++#define microblaze_num_regs (sizeof (microblaze_regmap) / sizeof (microblaze_regmap[0])) ++ ++/* Defined in auto-generated file microblaze-linux.c. */ ++void init_registers_microblaze_linux (void); ++extern const struct target_desc *tdesc_microblaze_linux; ++ ++bool ++microblaze_target::low_cannot_store_register (int regno) ++{ ++ if (microblaze_regmap[regno] == -1 || regno == 0) ++ return 1; ++ ++ return 0; ++} ++ ++bool ++microblaze_target::low_cannot_fetch_register (int regno) ++{ ++ return 0; ++} ++ ++CORE_ADDR ++microblaze_target::low_get_pc (struct regcache *regcache) ++{ ++ unsigned long pc; ++ ++ collect_register_by_name (regcache, "pc", &pc); ++ return (CORE_ADDR) pc; ++} ++ ++void ++microblaze_target::low_set_pc (struct regcache *regcache, CORE_ADDR pc) ++{ ++ unsigned long newpc = pc; ++ ++ supply_register_by_name (regcache, "pc", &newpc); ++} ++ ++/* dbtrap insn */ ++/* brki r16, 0x18; */ ++static const unsigned long microblaze_breakpoint = 0xba0c0018; ++#define microblaze_breakpoint_len 4 ++ ++/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */ ++ ++const gdb_byte * ++microblaze_target::sw_breakpoint_from_kind (int kind, int *size) ++{ ++ *size = microblaze_breakpoint_len; ++ return (const gdb_byte *) µblaze_breakpoint; ++} ++ ++bool ++microblaze_target::low_breakpoint_at (CORE_ADDR where) ++{ ++ unsigned long insn; ++ ++ read_memory (where, (unsigned char *) &insn, 4); ++ if (insn == microblaze_breakpoint) ++ return 1; ++ /* If necessary, recognize more trap instructions here. GDB only uses the ++ one. */ ++ return 0; ++} ++#if 0 ++CORE_ADDR ++microblaze_target::microblaze_reinsert_addr (struct regcache *regcache) ++{ ++ unsigned long pc; ++ collect_register_by_name (regcache, "r15", &pc); ++ return pc; ++} ++#endif ++#if 0 ++#ifdef HAVE_PTRACE_GETREGS ++ ++static void ++microblaze_collect_ptrace_register (struct regcache *regcache, int regno, char *buf) ++{ ++ int size = register_size (regcache->tdesc, regno); ++ ++ memset (buf, 0, sizeof (long)); ++ ++ if (size < sizeof (long)) ++ collect_register (regcache, regno, buf + sizeof (long) - size); ++ else ++ collect_register (regcache, regno, buf); ++} ++ ++static void ++microblaze_supply_ptrace_register (struct regcache *regcache, ++ int regno, const char *buf) ++{ ++ int size = register_size (regcache->tdesc, regno); ++ ++ if (regno == 0) { ++ unsigned long regbuf_0 = 0; ++ /* clobbering r0 so that it is always 0 as enforced by hardware */ ++ supply_register (regcache, regno, (const char*)®buf_0); ++ } else { ++ if (size < sizeof (long)) ++ supply_register (regcache, regno, buf + sizeof (long) - size); ++ else ++ supply_register (regcache, regno, buf); ++ } ++} ++ ++/* Provide only a fill function for the general register set. ps_lgetregs ++ will use this for NPTL support. */ ++ ++static void microblaze_fill_gregset (struct regcache *regcache, void *buf) ++{ ++ int i; ++ ++ for (i = 0; i < 32; i++) ++ microblaze_collect_ptrace_register (regcache, i, (char *) buf + microblaze_regmap[i]); ++} ++ ++static void ++microblaze_store_gregset (struct regcache *regcache, const void *buf) ++{ ++ int i; ++ ++ for (i = 0; i < 32; i++) ++ supply_register (regcache, i, (char *) buf + microblaze_regmap[i]); ++} ++ ++#endif /* HAVE_PTRACE_GETREGS */ ++#endif ++ ++static struct regset_info microblaze_regsets[] = { ++#if 0 ++#ifdef HAVE_PTRACE_GETREGS ++ { PTRACE_GETREGS, PTRACE_SETREGS, 0, sizeof (elf_gregset_t), GENERAL_REGS, microblaze_fill_gregset, microblaze_store_gregset }, ++ { 0, 0, 0, -1, GENERAL_REGS, NULL, NULL }, ++#endif /* HAVE_PTRACE_GETREGS */ ++#endif ++ { 0, 0, 0, -1, GENERAL_REGS, NULL, NULL }, ++ NULL_REGSET ++}; ++ ++static struct usrregs_info microblaze_usrregs_info = ++ { ++ microblaze_num_regs, ++ microblaze_regmap, ++ }; ++ ++static struct regsets_info microblaze_regsets_info = ++ { ++ microblaze_regsets, /* regsets */ ++ 0, /* num_regsets */ ++ NULL, /* disabled_regsets */ ++ }; ++ ++static struct regs_info microblaze_regs_info = ++ { ++ NULL, /* regset_bitmap */ ++ µblaze_usrregs_info, ++ µblaze_regsets_info ++ }; ++ ++const regs_info * ++microblaze_target::get_regs_info (void) ++{ ++ return µblaze_regs_info; ++} ++ ++/* Support for hardware single step. */ ++ ++static int ++microblaze_supports_hardware_single_step (void) ++{ ++ return 1; ++} ++ ++ ++void ++microblaze_target::low_arch_setup (void) ++{ ++ current_process ()->tdesc = tdesc_microblaze_linux; ++} ++ ++linux_process_target *the_linux_target = &the_microblaze_target; ++ ++void ++initialize_low_arch (void) ++{ ++ init_registers_microblaze_linux (); ++ initialize_regsets_info (µblaze_regsets_info); ++} ++ +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0002-Patch-MicroBlaze-Initial-port-of-core-reading-suppor.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0002-Patch-MicroBlaze-Initial-port-of-core-reading-suppor.patch deleted file mode 100644 index f7af2a62..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0002-Patch-MicroBlaze-Initial-port-of-core-reading-suppor.patch +++ /dev/null @@ -1,303 +0,0 @@ -From 7da397cae8c0f8826184d6e12fda9ccd11f92753 Mon Sep 17 00:00:00 2001 -From: Mahesh Bodapati -Date: Mon, 10 Oct 2022 16:37:53 +0530 -Subject: [PATCH 2/8] [Patch,MicroBlaze]: Initial port of core reading support - Added support for reading notes in linux core dumps Support for reading of - PRSTATUS and PSINFO information for rebuilding ".reg" sections of core dumps - at run time. - -Upstream-Status: Pending - -Signed-off-by: David Holsgrove -Signed-off-by: Nathan Rossi -Signed-off-by: Mahesh Bodapati ---- - bfd/elf32-microblaze.c | 84 +++++++++++++++++++++++++++++++++++++ - gdb/configure.tgt | 2 +- - gdb/microblaze-linux-tdep.c | 17 +++++++- - gdb/microblaze-tdep.c | 48 +++++++++++++++++++++ - gdb/microblaze-tdep.h | 28 +++++++++++++ - 5 files changed, 177 insertions(+), 2 deletions(-) - -diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c -index d09b3f7095d..d3b3c66cf00 100644 ---- a/bfd/elf32-microblaze.c -+++ b/bfd/elf32-microblaze.c -@@ -713,6 +713,87 @@ microblaze_elf_is_local_label_name (bfd *abfd, const char *name) - return _bfd_elf_is_local_label_name (abfd, name); - } - -+/* Support for core dump NOTE sections. */ -+static bool -+microblaze_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) -+{ -+ int offset; -+ unsigned int size; -+ -+ switch (note->descsz) -+ { -+ default: -+ return false; -+ -+ case 228: /* Linux/MicroBlaze */ -+ /* pr_cursig */ -+ elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); -+ -+ /* pr_pid */ -+ elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, note->descdata + 24); -+ -+ /* pr_reg */ -+ offset = 72; -+ size = 50 * 4; -+ -+ break; -+ } -+ -+ /* Make a ".reg/999" section. */ -+ return _bfd_elfcore_make_pseudosection (abfd, ".reg", -+ size, note->descpos + offset); -+} -+ -+static bool -+microblaze_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) -+{ -+ switch (note->descsz) -+ { -+ default: -+ return false; -+ -+ case 128: /* Linux/MicroBlaze elf_prpsinfo */ -+ elf_tdata (abfd)->core->program -+ = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); -+ elf_tdata (abfd)->core->command -+ = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); -+ } -+ -+ /* Note that for some reason, a spurious space is tacked -+ onto the end of the args in some (at least one anyway) -+ implementations, so strip it off if it exists. */ -+ -+ { -+ char *command = elf_tdata (abfd)->core->command; -+ int n = strlen (command); -+ -+ if (0 < n && command[n - 1] == ' ') -+ command[n - 1] = '\0'; -+ } -+ -+ return true; -+} -+ -+/* The microblaze linker (like many others) needs to keep track of -+ the number of relocs that it decides to copy as dynamic relocs in -+ check_relocs for each symbol. This is so that it can later discard -+ them if they are found to be unnecessary. We store the information -+ in a field extending the regular ELF linker hash table. */ -+ -+struct elf32_mb_dyn_relocs -+{ -+ struct elf32_mb_dyn_relocs *next; -+ -+ /* The input section of the reloc. */ -+ asection *sec; -+ -+ /* Total number of relocs copied for the input section. */ -+ bfd_size_type count; -+ -+ /* Number of pc-relative relocs copied for the input section. */ -+ bfd_size_type pc_count; -+}; -+ - /* ELF linker hash entry. */ - - struct elf32_mb_link_hash_entry -@@ -3434,4 +3515,7 @@ microblaze_elf_add_symbol_hook (bfd *abfd, - #define elf_backend_size_dynamic_sections microblaze_elf_size_dynamic_sections - #define elf_backend_add_symbol_hook microblaze_elf_add_symbol_hook - -+#define elf_backend_grok_prstatus microblaze_elf_grok_prstatus -+#define elf_backend_grok_psinfo microblaze_elf_grok_psinfo -+ - #include "elf32-target.h" -diff --git a/gdb/configure.tgt b/gdb/configure.tgt -index 0705ccf32b8..7ea186481f3 100644 ---- a/gdb/configure.tgt -+++ b/gdb/configure.tgt -@@ -400,7 +400,7 @@ mep-*-*) - - microblaze*-linux-*|microblaze*-*-linux*) - # Target: Xilinx MicroBlaze running Linux -- gdb_target_obs="microblaze-tdep.o microblaze-linux-tdep.o solib-svr4.o \ -+ gdb_target_obs="microblaze-tdep.o microblaze-linux-tdep.o solib-svr4.o glibc-tdep.o \ - symfile-mem.o linux-tdep.o" - ;; - microblaze*-*-*) -diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c -index 5748556a556..d6197c49dfd 100644 ---- a/gdb/microblaze-linux-tdep.c -+++ b/gdb/microblaze-linux-tdep.c -@@ -36,6 +36,7 @@ - #include "frame-unwind.h" - #include "tramp-frame.h" - #include "linux-tdep.h" -+#include "glibc-tdep.h" - - static int microblaze_debug_flag = 0; - -@@ -135,11 +136,14 @@ static struct tramp_frame microblaze_linux_sighandler_tramp_frame = - microblaze_linux_sighandler_cache_init - }; - -- - static void - microblaze_linux_init_abi (struct gdbarch_info info, - struct gdbarch *gdbarch) - { -+ struct microblaze_gdbarch_tdep *tdep =(microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); -+ -+ tdep->sizeof_gregset = 200; -+ - linux_init_abi (info, gdbarch, 0); - - set_gdbarch_memory_remove_breakpoint (gdbarch, -@@ -153,6 +157,17 @@ microblaze_linux_init_abi (struct gdbarch_info info, - tramp_frame_prepend_unwinder (gdbarch, - µblaze_linux_sighandler_tramp_frame); - -+ /* BFD target for core files. */ -+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) -+ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); -+ else -+ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); -+ -+ -+ /* Shared library handling. */ -+ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); -+ set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); -+ - /* Enable TLS support. */ - set_gdbarch_fetch_tls_load_module_address (gdbarch, - svr4_fetch_objfile_link_map); -diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c -index 3e8e8fe35b9..ccd37d085d6 100644 ---- a/gdb/microblaze-tdep.c -+++ b/gdb/microblaze-tdep.c -@@ -666,6 +666,43 @@ microblaze_register_g_packet_guesses (struct gdbarch *gdbarch) - tdesc_microblaze_with_stack_protect); - } - -+void -+microblaze_supply_gregset (const struct regset *regset, -+ struct regcache *regcache, -+ int regnum, const void *gregs) -+{ -+ const unsigned int *regs = (const unsigned int *)gregs; -+ if (regnum >= 0) -+ regcache->raw_supply (regnum, regs + regnum); -+ -+ if (regnum == -1) { -+ int i; -+ -+ for (i = 0; i < 50; i++) { -+ regcache->raw_supply (i, regs + i); -+ } -+ } -+} -+ -+ -+/* Return the appropriate register set for the core section identified -+ by SECT_NAME and SECT_SIZE. */ -+ -+static void -+microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch, -+ iterate_over_regset_sections_cb *cb, -+ void *cb_data, -+ const struct regcache *regcache) -+{ -+ struct microblaze_gdbarch_tdep *tdep =(microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); -+ -+ cb(".reg", tdep->sizeof_gregset, tdep->sizeof_gregset, tdep->gregset, NULL, cb_data); -+ -+ cb(".reg2", tdep->sizeof_fpregset, tdep->sizeof_fpregset, tdep->fpregset, NULL, cb_data); -+} -+ -+ -+ - static struct gdbarch * - microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - { -@@ -718,6 +755,10 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - microblaze_gdbarch_tdep *tdep = new microblaze_gdbarch_tdep; - gdbarch = gdbarch_alloc (&info, tdep); - -+ tdep->gregset = NULL; -+ tdep->sizeof_gregset = 0; -+ tdep->fpregset = NULL; -+ tdep->sizeof_fpregset = 0; - set_gdbarch_long_double_bit (gdbarch, 128); - - set_gdbarch_num_regs (gdbarch, MICROBLAZE_NUM_REGS); -@@ -766,6 +807,13 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer); - if (tdesc_data != NULL) - tdesc_use_registers (gdbarch, tdesc, std::move (tdesc_data)); -+ //frame_base_append_sniffer (gdbarch, microblaze_frame_sniffer); -+ -+ /* If we have register sets, enable the generic core file support. */ -+ if (tdep->gregset) { -+ set_gdbarch_iterate_over_regset_sections (gdbarch, -+ microblaze_iterate_over_regset_sections); -+ } - - return gdbarch; - } -diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h -index 53fcb2297e6..2e853d84d72 100644 ---- a/gdb/microblaze-tdep.h -+++ b/gdb/microblaze-tdep.h -@@ -23,8 +23,23 @@ - #include "gdbarch.h" - - /* Microblaze architecture-specific information. */ -+struct microblaze_gregset -+{ -+ microblaze_gregset() {} -+ unsigned int gregs[32]; -+ unsigned int fpregs[32]; -+ unsigned int pregs[16]; -+}; -+ - struct microblaze_gdbarch_tdep : gdbarch_tdep - { -+ int dummy; // declare something. -+ -+ /* Register sets. */ -+ struct regset *gregset; -+ size_t sizeof_gregset; -+ struct regset *fpregset; -+ size_t sizeof_fpregset; - }; - - /* Register numbers. */ -@@ -121,5 +136,18 @@ struct microblaze_frame_cache - #define MICROBLAZE_BREAKPOINT {0xba, 0x0c, 0x00, 0x18} - #define MICROBLAZE_BREAKPOINT_LE {0x18, 0x00, 0x0c, 0xba} - -+extern void microblaze_supply_gregset (const struct regset *regset, -+ struct regcache *regcache, -+ int regnum, const void *gregs); -+extern void microblaze_collect_gregset (const struct regset *regset, -+ const struct regcache *regcache, -+ int regnum, void *gregs); -+extern void microblaze_supply_fpregset (struct regcache *regcache, -+ int regnum, const void *fpregs); -+extern void microblaze_collect_fpregset (const struct regcache *regcache, -+ int regnum, void *fpregs); -+ -+extern const struct regset * microblaze_regset_from_core_section (struct gdbarch *gdbarch, -+ const char *sect_name, size_t sect_size); - - #endif /* microblaze-tdep.h */ --- -2.37.1 (Apple Git-137.1) - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0003-Fix-debug-message-when-register-is-unavailable.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0003-Fix-debug-message-when-register-is-unavailable.patch deleted file mode 100644 index d8ba6fca..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0003-Fix-debug-message-when-register-is-unavailable.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 6ecb1de66a6a5f55e69c9b108a3d5a85b0ebf315 Mon Sep 17 00:00:00 2001 -From: Nathan Rossi -Date: Tue, 8 May 2012 18:11:17 +1000 -Subject: [PATCH 3/8] Fix debug message when register is unavailable - -Upstream-Status: Pending - -Signed-off-by: Nathan Rossi - -Conflicts: - gdb/frame.c ---- - gdb/frame.c | 21 ++++++++++++++------- - 1 file changed, 14 insertions(+), 7 deletions(-) - -diff --git a/gdb/frame.c b/gdb/frame.c -index ce95cf8343b..c49ab9feab2 100644 ---- a/gdb/frame.c -+++ b/gdb/frame.c -@@ -1261,13 +1261,20 @@ frame_unwind_register_value (frame_info *next_frame, int regnum) - else - { - int i; -- gdb::array_view buf = value_contents (value); -- -- fprintf_unfiltered (&debug_file, " bytes="); -- fprintf_unfiltered (&debug_file, "["); -- for (i = 0; i < register_size (gdbarch, regnum); i++) -- fprintf_unfiltered (&debug_file, "%02x", buf[i]); -- fprintf_unfiltered (&debug_file, "]"); -+ const gdb_byte *buf = NULL; -+ if (value_entirely_available(value)) { -+ gdb::array_view buf = value_contents (value); -+ } -+ -+ fprintf_unfiltered (gdb_stdlog, " bytes="); -+ fprintf_unfiltered (gdb_stdlog, "["); -+ if (buf != NULL) { -+ for (i = 0; i < register_size (gdbarch, regnum); i++) -+ fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]); -+ } else { -+ fprintf_unfiltered (gdb_stdlog, "unavailable"); -+ } -+ fprintf_unfiltered (gdb_stdlog, "]"); - } - } - --- -2.37.1 (Apple Git-137.1) - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0003-Initial-port-of-core-reading-support-Added-support-f.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0003-Initial-port-of-core-reading-support-Added-support-f.patch new file mode 100644 index 00000000..6e86a773 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0003-Initial-port-of-core-reading-support-Added-support-f.patch @@ -0,0 +1,301 @@ +From 118ce6c252a56ca592a7fdd40919522be00d5fb4 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 10 Oct 2022 16:37:53 +0530 +Subject: [PATCH 03/54] Initial port of core reading support Added support for + reading notes in linux core dumps Support for reading of PRSTATUS and PSINFO + information for rebuilding ".reg" sections of core dumps at run time. + +Signed-off-by: David Holsgrove +Signed-off-by: Nathan Rossi +Signed-off-by: Mahesh Bodapati +Signed-off-by: Aayush Misra +--- + bfd/elf32-microblaze.c | 84 +++++++++++++++++++++++++++++++++++++ + gdb/configure.tgt | 2 +- + gdb/microblaze-linux-tdep.c | 17 +++++++- + gdb/microblaze-tdep.c | 48 +++++++++++++++++++++ + gdb/microblaze-tdep.h | 28 +++++++++++++ + 5 files changed, 177 insertions(+), 2 deletions(-) + +diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c +index a7e81c70fc8..487ddeafc5a 100644 +--- a/bfd/elf32-microblaze.c ++++ b/bfd/elf32-microblaze.c +@@ -754,6 +754,87 @@ microblaze_elf_is_local_label_name (bfd *abfd, const char *name) + return _bfd_elf_is_local_label_name (abfd, name); + } + ++/* Support for core dump NOTE sections. */ ++static bool ++microblaze_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) ++{ ++ int offset; ++ unsigned int size; ++ ++ switch (note->descsz) ++ { ++ default: ++ return false; ++ ++ case 228: /* Linux/MicroBlaze */ ++ /* pr_cursig */ ++ elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); ++ ++ /* pr_pid */ ++ elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, note->descdata + 24); ++ ++ /* pr_reg */ ++ offset = 72; ++ size = 50 * 4; ++ ++ break; ++ } ++ ++ /* Make a ".reg/999" section. */ ++ return _bfd_elfcore_make_pseudosection (abfd, ".reg", ++ size, note->descpos + offset); ++} ++ ++static bool ++microblaze_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) ++{ ++ switch (note->descsz) ++ { ++ default: ++ return false; ++ ++ case 128: /* Linux/MicroBlaze elf_prpsinfo */ ++ elf_tdata (abfd)->core->program ++ = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); ++ elf_tdata (abfd)->core->command ++ = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); ++ } ++ ++ /* Note that for some reason, a spurious space is tacked ++ onto the end of the args in some (at least one anyway) ++ implementations, so strip it off if it exists. */ ++ ++ { ++ char *command = elf_tdata (abfd)->core->command; ++ int n = strlen (command); ++ ++ if (0 < n && command[n - 1] == ' ') ++ command[n - 1] = '\0'; ++ } ++ ++ return true; ++} ++ ++/* The microblaze linker (like many others) needs to keep track of ++ the number of relocs that it decides to copy as dynamic relocs in ++ check_relocs for each symbol. This is so that it can later discard ++ them if they are found to be unnecessary. We store the information ++ in a field extending the regular ELF linker hash table. */ ++ ++struct elf32_mb_dyn_relocs ++{ ++ struct elf32_mb_dyn_relocs *next; ++ ++ /* The input section of the reloc. */ ++ asection *sec; ++ ++ /* Total number of relocs copied for the input section. */ ++ bfd_size_type count; ++ ++ /* Number of pc-relative relocs copied for the input section. */ ++ bfd_size_type pc_count; ++}; ++ + /* ELF linker hash entry. */ + + struct elf32_mb_link_hash_entry +@@ -3480,4 +3561,7 @@ microblaze_elf_add_symbol_hook (bfd *abfd, + #define elf_backend_size_dynamic_sections microblaze_elf_size_dynamic_sections + #define elf_backend_add_symbol_hook microblaze_elf_add_symbol_hook + ++#define elf_backend_grok_prstatus microblaze_elf_grok_prstatus ++#define elf_backend_grok_psinfo microblaze_elf_grok_psinfo ++ + #include "elf32-target.h" +diff --git a/gdb/configure.tgt b/gdb/configure.tgt +index 47a674201f9..d0673abd2b8 100644 +--- a/gdb/configure.tgt ++++ b/gdb/configure.tgt +@@ -415,7 +415,7 @@ mep-*-*) + + microblaze*-linux-*|microblaze*-*-linux*) + # Target: Xilinx MicroBlaze running Linux +- gdb_target_obs="microblaze-tdep.o microblaze-linux-tdep.o solib-svr4.o \ ++ gdb_target_obs="microblaze-tdep.o microblaze-linux-tdep.o solib-svr4.o glibc-tdep.o \ + symfile-mem.o linux-tdep.o" + ;; + microblaze*-*-*) +diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c +index 9160b4ad464..17bcb50fd4f 100644 +--- a/gdb/microblaze-linux-tdep.c ++++ b/gdb/microblaze-linux-tdep.c +@@ -36,6 +36,7 @@ + #include "frame-unwind.h" + #include "tramp-frame.h" + #include "linux-tdep.h" ++#include "glibc-tdep.h" + + static int microblaze_debug_flag = 0; + +@@ -135,11 +136,14 @@ static struct tramp_frame microblaze_linux_sighandler_tramp_frame = + microblaze_linux_sighandler_cache_init + }; + +- + static void + microblaze_linux_init_abi (struct gdbarch_info info, + struct gdbarch *gdbarch) + { ++ struct microblaze_gdbarch_tdep *tdep =(microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); ++ ++ tdep->sizeof_gregset = 200; ++ + linux_init_abi (info, gdbarch, 0); + + set_gdbarch_memory_remove_breakpoint (gdbarch, +@@ -153,6 +157,17 @@ microblaze_linux_init_abi (struct gdbarch_info info, + tramp_frame_prepend_unwinder (gdbarch, + µblaze_linux_sighandler_tramp_frame); + ++ /* BFD target for core files. */ ++ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); ++ else ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); ++ ++ ++ /* Shared library handling. */ ++ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); ++ set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); ++ + /* Enable TLS support. */ + set_gdbarch_fetch_tls_load_module_address (gdbarch, + svr4_fetch_objfile_link_map); +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 28a647e940b..6ab36bd746b 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -665,6 +665,43 @@ microblaze_register_g_packet_guesses (struct gdbarch *gdbarch) + tdesc_microblaze_with_stack_protect); + } + ++void ++microblaze_supply_gregset (const struct regset *regset, ++ struct regcache *regcache, ++ int regnum, const void *gregs) ++{ ++ const unsigned int *regs = (const unsigned int *)gregs; ++ if (regnum >= 0) ++ regcache->raw_supply (regnum, regs + regnum); ++ ++ if (regnum == -1) { ++ int i; ++ ++ for (i = 0; i < 50; i++) { ++ regcache->raw_supply (i, regs + i); ++ } ++ } ++} ++ ++ ++/* Return the appropriate register set for the core section identified ++ by SECT_NAME and SECT_SIZE. */ ++ ++static void ++microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch, ++ iterate_over_regset_sections_cb *cb, ++ void *cb_data, ++ const struct regcache *regcache) ++{ ++ struct microblaze_gdbarch_tdep *tdep =(microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); ++ ++ cb(".reg", tdep->sizeof_gregset, tdep->sizeof_gregset, tdep->gregset, NULL, cb_data); ++ ++ cb(".reg2", tdep->sizeof_fpregset, tdep->sizeof_fpregset, tdep->fpregset, NULL, cb_data); ++} ++ ++ ++ + static struct gdbarch * + microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + { +@@ -716,6 +753,10 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + gdbarch *gdbarch + = gdbarch_alloc (&info, gdbarch_tdep_up (new microblaze_gdbarch_tdep)); + ++ tdep->gregset = NULL; ++ tdep->sizeof_gregset = 0; ++ tdep->fpregset = NULL; ++ tdep->sizeof_fpregset = 0; + set_gdbarch_long_double_bit (gdbarch, 128); + + set_gdbarch_num_regs (gdbarch, MICROBLAZE_NUM_REGS); +@@ -764,6 +805,13 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer); + if (tdesc_data != NULL) + tdesc_use_registers (gdbarch, tdesc, std::move (tdesc_data)); ++ //frame_base_append_sniffer (gdbarch, microblaze_frame_sniffer); ++ ++ /* If we have register sets, enable the generic core file support. */ ++ if (tdep->gregset) { ++ set_gdbarch_iterate_over_regset_sections (gdbarch, ++ microblaze_iterate_over_regset_sections); ++ } + + return gdbarch; + } +diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h +index e9f57e97c26..738da4f0531 100644 +--- a/gdb/microblaze-tdep.h ++++ b/gdb/microblaze-tdep.h +@@ -23,8 +23,23 @@ + #include "gdbarch.h" + + /* Microblaze architecture-specific information. */ ++struct microblaze_gregset ++{ ++ microblaze_gregset() {} ++ unsigned int gregs[32]; ++ unsigned int fpregs[32]; ++ unsigned int pregs[16]; ++}; ++ + struct microblaze_gdbarch_tdep : gdbarch_tdep_base + { ++ int dummy; // declare something. ++ ++ /* Register sets. */ ++ struct regset *gregset; ++ size_t sizeof_gregset; ++ struct regset *fpregset; ++ size_t sizeof_fpregset; + }; + + /* Register numbers. */ +@@ -121,5 +136,18 @@ struct microblaze_frame_cache + #define MICROBLAZE_BREAKPOINT {0xba, 0x0c, 0x00, 0x18} + #define MICROBLAZE_BREAKPOINT_LE {0x18, 0x00, 0x0c, 0xba} + ++extern void microblaze_supply_gregset (const struct regset *regset, ++ struct regcache *regcache, ++ int regnum, const void *gregs); ++extern void microblaze_collect_gregset (const struct regset *regset, ++ const struct regcache *regcache, ++ int regnum, void *gregs); ++extern void microblaze_supply_fpregset (struct regcache *regcache, ++ int regnum, const void *fpregs); ++extern void microblaze_collect_fpregset (const struct regcache *regcache, ++ int regnum, void *fpregs); ++ ++extern const struct regset * microblaze_regset_from_core_section (struct gdbarch *gdbarch, ++ const char *sect_name, size_t sect_size); + + #endif /* microblaze-tdep.h */ +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0004-Fix-debug-message-when-register-is-unavailable.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0004-Fix-debug-message-when-register-is-unavailable.patch new file mode 100644 index 00000000..1e6aff76 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0004-Fix-debug-message-when-register-is-unavailable.patch @@ -0,0 +1,45 @@ +From a027a1ce861f93bd00d814d6aef28414069330a1 Mon Sep 17 00:00:00 2001 +From: Nathan Rossi +Date: Tue, 8 May 2012 18:11:17 +1000 +Subject: [PATCH 04/54] Fix debug message when register is unavailable + +Signed-off-by: Nathan Rossi + +Conflicts: + gdb/frame.c +Signed-off-by: Aayush Misra +--- + gdb/frame.c | 14 +++++++++++--- + 1 file changed, 11 insertions(+), 3 deletions(-) + +diff --git a/gdb/frame.c b/gdb/frame.c +index 87fb3d7a2d5..c4d967e01d5 100644 +--- a/gdb/frame.c ++++ b/gdb/frame.c +@@ -1313,12 +1313,20 @@ frame_unwind_register_value (frame_info_ptr next_frame, int regnum) + else + { + int i; +- gdb::array_view buf = value->contents (); ++ ++ const gdb_byte *buf = NULL; ++ if (value_entirely_available(value)) { ++ gdb::array_view buf = value->contents (); ++ } + + gdb_printf (&debug_file, " bytes="); + gdb_printf (&debug_file, "["); +- for (i = 0; i < register_size (gdbarch, regnum); i++) +- gdb_printf (&debug_file, "%02x", buf[i]); ++ if (buf != NULL) { ++ for (i = 0; i < register_size (gdbarch, regnum); i++) ++ gdb_printf (&debug_file, "%02x", buf[i]); ++ } else { ++ gdb_printf (&debug_file, "unavailable"); ++ } + gdb_printf (&debug_file, "]"); + } + } +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0004-Patch-MicroBlaze-MicroBlaze-native-gdb-port.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0004-Patch-MicroBlaze-MicroBlaze-native-gdb-port.patch deleted file mode 100644 index 08b0ae17..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0004-Patch-MicroBlaze-MicroBlaze-native-gdb-port.patch +++ /dev/null @@ -1,836 +0,0 @@ -From 8d05b79cda7617f228fa4bb6e5147689b662699e Mon Sep 17 00:00:00 2001 -From: Mahesh Bodapati -Date: Mon, 10 Oct 2022 18:53:46 +0530 -Subject: [PATCH 4/8] [Patch,MicroBlaze] : MicroBlaze native gdb port. - -signed-off-by : Mahesh Bodapati -Upstream-Status: Pending - -Signed-off-by: Mark Hatle - ---- - gdb/Makefile.in | 2 + - gdb/configure.nat | 4 + - gdb/features/microblaze-linux.c | 79 +++++++ - gdb/microblaze-linux-nat.c | 366 ++++++++++++++++++++++++++++++++ - gdb/microblaze-linux-tdep.c | 2 + - gdb/microblaze-linux-tdep.h | 24 +++ - gdb/microblaze-tdep.c | 151 ++++++++++++- - gdb/microblaze-tdep.h | 15 +- - 8 files changed, 629 insertions(+), 14 deletions(-) - create mode 100755 gdb/features/microblaze-linux.c - create mode 100755 gdb/microblaze-linux-nat.c - create mode 100644 gdb/microblaze-linux-tdep.h - -diff --git a/gdb/Makefile.in b/gdb/Makefile.in -index aecab41eeb8..fb63e1662c1 100644 ---- a/gdb/Makefile.in -+++ b/gdb/Makefile.in -@@ -1374,6 +1374,7 @@ HFILES_NO_SRCDIR = \ - memory-map.h \ - memrange.h \ - microblaze-tdep.h \ -+ microblaze-linux-tdep.h \ - mips-linux-tdep.h \ - mips-netbsd-tdep.h \ - mips-tdep.h \ -@@ -2249,6 +2250,7 @@ ALLDEPFILES = \ - m68k-linux-nat.c \ - m68k-linux-tdep.c \ - m68k-tdep.c \ -+ microblaze-linux-nat.c \ - microblaze-linux-tdep.c \ - microblaze-tdep.c \ - mingw-hdep.c \ -diff --git a/gdb/configure.nat b/gdb/configure.nat -index b45519fd116..256c666e760 100644 ---- a/gdb/configure.nat -+++ b/gdb/configure.nat -@@ -270,6 +270,10 @@ case ${gdb_host} in - # Host: Motorola m68k running GNU/Linux. - NATDEPFILES="${NATDEPFILES} m68k-linux-nat.o" - ;; -+ microblaze) -+ # Host: Microblaze running GNU/Linux. -+ NATDEPFILES="${NATDEPFILES} microblaze-linux-nat.o" -+ ;; - mips) - # Host: Linux/MIPS - NATDEPFILES="${NATDEPFILES} linux-nat-trad.o \ -diff --git a/gdb/features/microblaze-linux.c b/gdb/features/microblaze-linux.c -new file mode 100755 -index 00000000000..267e12f6d59 ---- /dev/null -+++ b/gdb/features/microblaze-linux.c -@@ -0,0 +1,79 @@ -+/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro: -+ Original: microblaze.xml */ -+ -+#include "defs.h" -+#include "osabi.h" -+#include "target-descriptions.h" -+ -+struct target_desc *tdesc_microblaze_linux; -+static void -+initialize_tdesc_microblaze_linux (void) -+{ -+ target_desc_up result = allocate_target_description (); -+ struct tdesc_feature *feature; -+ set_tdesc_architecture (result.get(), bfd_scan_arch ("microblaze")); -+ set_tdesc_osabi (result.get(), osabi_from_tdesc_string ("GNU/Linux")); -+ -+ feature = tdesc_create_feature (result.get(), "org.gnu.gdb.microblaze.core"); -+ tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r5", 5, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r6", 6, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r7", 7, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r8", 8, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r9", 9, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r10", 10, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r11", 11, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r12", 12, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r13", 13, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r14", 14, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r15", 15, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r16", 16, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r17", 17, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r18", 18, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r19", 19, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r20", 20, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r21", 21, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r22", 22, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r23", 23, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r24", 24, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r25", 25, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r26", 26, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r27", 27, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r28", 28, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rear", 34, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rfsr", 36, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rbtr", 37, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr0", 38, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr1", 39, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr2", 40, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr3", 41, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr4", 42, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr5", 43, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr6", 44, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr7", 45, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr8", 46, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr9", 47, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr10", 48, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr11", 49, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "redr", 50, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpid", 51, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rzpr", 52, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbx", 53, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); -+ -+ tdesc_microblaze_linux = result.release(); -+} -diff --git a/gdb/microblaze-linux-nat.c b/gdb/microblaze-linux-nat.c -new file mode 100755 -index 00000000000..6b9daa23120 ---- /dev/null -+++ b/gdb/microblaze-linux-nat.c -@@ -0,0 +1,366 @@ -+/* Native-dependent code for GNU/Linux MicroBlaze. -+ Copyright (C) 2021 Free Software Foundation, Inc. -+ -+ This file is part of GDB. -+ -+ This program is free software; you can redistribute it and/or modify -+ it under the terms of the GNU General Public License as published by -+ the Free Software Foundation; either version 3 of the License, or -+ (at your option) any later version. -+ -+ This program is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ GNU General Public License for more details. -+ -+ You should have received a copy of the GNU General Public License -+ along with this program. If not, see . */ -+ -+#include "defs.h" -+#include "arch-utils.h" -+#include "dis-asm.h" -+#include "frame.h" -+#include "trad-frame.h" -+#include "symtab.h" -+#include "value.h" -+#include "gdbcmd.h" -+#include "breakpoint.h" -+#include "inferior.h" -+#include "gdbthread.h" -+#include "gdbcore.h" -+#include "regcache.h" -+#include "regset.h" -+#include "target.h" -+#include "frame.h" -+#include "frame-base.h" -+#include "frame-unwind.h" -+#include "osabi.h" -+#include "gdbsupport/gdb_assert.h" -+#include -+#include "target-descriptions.h" -+#include "opcodes/microblaze-opcm.h" -+#include "opcodes/microblaze-dis.h" -+#include "gregset.h" -+ -+#include "linux-nat.h" -+#include "linux-tdep.h" -+#include "target-descriptions.h" -+ -+#include -+#include -+#include -+#include "gdbsupport/gdb_wait.h" -+#include -+#include -+#include "nat/gdb_ptrace.h" -+#include "nat/linux-ptrace.h" -+#include "inf-ptrace.h" -+#include -+#include -+#include -+#include -+ -+/* Prototypes for supply_gregset etc. */ -+#include "gregset.h" -+ -+#include "microblaze-tdep.h" -+#include "microblaze-linux-tdep.h" -+#include "inferior.h" -+ -+#include "elf/common.h" -+ -+#include "auxv.h" -+#include "linux-tdep.h" -+ -+#include -+ -+ -+//int have_ptrace_getsetregs=1; -+ -+/* MicroBlaze Linux native additions to the default linux support. */ -+ -+class microblaze_linux_nat_target final : public linux_nat_target -+{ -+public: -+ /* Add our register access methods. */ -+ void fetch_registers (struct regcache *regcache, int regnum) override; -+ void store_registers (struct regcache *regcache, int regnum) override; -+ -+ /* Read suitable target description. */ -+ const struct target_desc *read_description () override; -+}; -+ -+static microblaze_linux_nat_target the_microblaze_linux_nat_target; -+ -+static int -+microblaze_register_u_addr (struct gdbarch *gdbarch, int regno) -+{ -+ int u_addr = -1; -+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); -+ /* NOTE: cagney/2003-11-25: This is the word size used by the ptrace -+ * interface, and not the wordsize of the program's ABI. */ -+ int wordsize = sizeof (long); -+ -+ /* General purpose registers occupy 1 slot each in the buffer. */ -+ if (regno >= MICROBLAZE_R0_REGNUM -+ && regno <= MICROBLAZE_FSR_REGNUM) -+ u_addr = ((regno - MICROBLAZE_R0_REGNUM)* wordsize); -+ -+ return u_addr; -+} -+ -+/* Copy general purpose register REGNUM (or all gp regs if REGNUM == -1) -+ from regset GREGS into REGCACHE. */ -+ -+static void -+supply_gregset_regnum (struct regcache *regcache, const prgregset_t *gregs, -+ int regnum) -+{ -+ int i; -+ const elf_greg_t *regp = *gregs; -+ /* Access all registers */ -+ if (regnum == -1) -+ { -+ /* We fill the general purpose registers. */ -+ for (i = MICROBLAZE_R0_REGNUM + 1; i < MICROBLAZE_FSR_REGNUM; i++) -+ regcache->raw_supply (i, regp + i); -+ -+ /* Supply MICROBLAZE_PC_REGNUM from index 32. */ -+ regcache->raw_supply (MICROBLAZE_PC_REGNUM, regp + 32); -+ -+ /* Fill the inaccessible zero register with zero. */ -+ regcache->raw_supply_zeroed (0); -+ } -+ else if (regnum == MICROBLAZE_R0_REGNUM) -+ regcache->raw_supply_zeroed (0); -+ else if (regnum == MICROBLAZE_PC_REGNUM) -+ regcache->raw_supply (MICROBLAZE_PC_REGNUM, regp + 32); -+ else if (regnum > MICROBLAZE_R0_REGNUM && regnum < MICROBLAZE_FSR_REGNUM) -+ regcache->raw_supply (regnum, regp + regnum); -+} -+ -+/* Copy all general purpose registers from regset GREGS into REGCACHE. */ -+ -+void -+supply_gregset (struct regcache *regcache, const prgregset_t *gregs) -+{ -+ supply_gregset_regnum (regcache, gregs, -1); -+} -+ -+/* Copy general purpose register REGNUM (or all gp regs if REGNUM == -1) -+ from REGCACHE into regset GREGS. */ -+ -+void -+fill_gregset (const struct regcache *regcache, prgregset_t *gregs, int regnum) -+{ -+ elf_greg_t *regp = *gregs; -+ if (regnum == -1) -+ { -+ /* We fill the general purpose registers. */ -+ for (int i = MICROBLAZE_R0_REGNUM + 1; i < MICROBLAZE_FSR_REGNUM; i++) -+ regcache->raw_collect (i, regp + i); -+ -+ regcache->raw_collect (MICROBLAZE_PC_REGNUM, regp + 32); -+ } -+ else if (regnum == MICROBLAZE_R0_REGNUM) -+ /* Nothing to do here. */ -+ ; -+ else if (regnum > MICROBLAZE_R0_REGNUM && regnum < MICROBLAZE_FSR_REGNUM) -+ regcache->raw_collect (regnum, regp + regnum); -+ else if (regnum == MICROBLAZE_PC_REGNUM) -+ regcache->raw_collect (MICROBLAZE_PC_REGNUM, regp + 32); -+} -+ -+/* Transfering floating-point registers between GDB, inferiors and cores. -+ Since MicroBlaze floating-point registers are the same as GPRs these do -+ nothing. */ -+ -+void -+supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregs) -+{ -+} -+ -+void -+fill_fpregset (const struct regcache *regcache, -+ gdb_fpregset_t *fpregs, int regno) -+{ -+} -+ -+ -+static void -+fetch_register (struct regcache *regcache, int tid, int regno) -+{ -+ struct gdbarch *gdbarch = regcache->arch (); -+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); -+ /* This isn't really an address. But ptrace thinks of it as one. */ -+ CORE_ADDR regaddr = microblaze_register_u_addr (gdbarch, regno); -+ int bytes_transferred; -+ char buf[MICROBLAZE_MAX_REGISTER_SIZE]; -+ -+ if (regaddr == -1) -+ { -+ memset (buf, '\0', register_size (gdbarch, regno)); /* Supply zeroes */ -+ regcache->raw_supply (regno, buf); -+ return; -+ } -+ -+ /* Read the raw register using sizeof(long) sized chunks. On a -+ * 32-bit platform, 64-bit floating-point registers will require two -+ * transfers. */ -+ for (bytes_transferred = 0; -+ bytes_transferred < register_size (gdbarch, regno); -+ bytes_transferred += sizeof (long)) -+ { -+ long l; -+ -+ errno = 0; -+ l = ptrace (PTRACE_PEEKUSER, tid, (PTRACE_TYPE_ARG3) regaddr, 0); -+ if (errno == EIO) -+ { -+ printf("ptrace io error\n"); -+ } -+ regaddr += sizeof (long); -+ if (errno != 0) -+ { -+ char message[128]; -+ sprintf (message, "reading register %s (#%d)", -+ gdbarch_register_name (gdbarch, regno), regno); -+ perror_with_name (message); -+ } -+ memcpy (&buf[bytes_transferred], &l, sizeof (l)); -+ } -+ -+ /* Now supply the register. Keep in mind that the regcache's idea -+ * of the register's size may not be a multiple of sizeof -+ * (long). */ -+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE) -+ { -+ /* Little-endian values are always found at the left end of the -+ * bytes transferred. */ -+ regcache->raw_supply (regno, buf); -+ } -+ else if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) -+ { -+ /* Big-endian values are found at the right end of the bytes -+ * transferred. */ -+ size_t padding = (bytes_transferred - register_size (gdbarch, regno)); -+ regcache->raw_supply (regno, buf + padding); -+ } -+ else -+ internal_error (__FILE__, __LINE__, -+ _("fetch_register: unexpected byte order: %d"), -+ gdbarch_byte_order (gdbarch)); -+} -+ -+ -+/* This is a wrapper for the fetch_all_gp_regs function. It is -+ * responsible for verifying if this target has the ptrace request -+ * that can be used to fetch all general-purpose registers at one -+ * shot. If it doesn't, then we should fetch them using the -+ * old-fashioned way, which is to iterate over the registers and -+ * request them one by one. */ -+static void -+fetch_gp_regs (struct regcache *regcache, int tid) -+{ -+ int i; -+/* If we've hit this point, it doesn't really matter which -+ architecture we are using. We just need to read the -+ registers in the "old-fashioned way". */ -+ for (i = MICROBLAZE_R0_REGNUM; i <= MICROBLAZE_FSR_REGNUM; i++) -+ fetch_register (regcache, tid, i); -+} -+ -+/* Return a target description for the current target. */ -+ -+const struct target_desc * -+microblaze_linux_nat_target::read_description () -+{ -+ return tdesc_microblaze_linux; -+} -+ -+/* Fetch REGNUM (or all registers if REGNUM == -1) from the target -+ into REGCACHE using PTRACE_GETREGSET. */ -+ -+void -+microblaze_linux_nat_target::fetch_registers (struct regcache * regcache, -+ int regno) -+{ -+ /* Get the thread id for the ptrace call. */ -+ int tid = regcache->ptid ().lwp (); -+//int tid = get_ptrace_pid (regcache->ptid()); -+#if 1 -+ if (regno == -1) -+#endif -+ fetch_gp_regs (regcache, tid); -+#if 1 -+ else -+ fetch_register (regcache, tid, regno); -+#endif -+} -+ -+ -+/* Store REGNUM (or all registers if REGNUM == -1) to the target -+ from REGCACHE using PTRACE_SETREGSET. */ -+ -+void -+microblaze_linux_nat_target::store_registers (struct regcache *regcache, int regno) -+{ -+ int tid; -+ -+ tid = get_ptrace_pid (regcache->ptid ()); -+ -+ struct gdbarch *gdbarch = regcache->arch (); -+ /* This isn't really an address. But ptrace thinks of it as one. */ -+ CORE_ADDR regaddr = microblaze_register_u_addr (gdbarch, regno); -+ int i; -+ size_t bytes_to_transfer; -+ char buf[MICROBLAZE_MAX_REGISTER_SIZE]; -+ -+ if (regaddr == -1) -+ return; -+ -+ /* First collect the register. Keep in mind that the regcache's -+ * idea of the register's size may not be a multiple of sizeof -+ * (long). */ -+ memset (buf, 0, sizeof buf); -+ bytes_to_transfer = align_up (register_size (gdbarch, regno), sizeof (long)); -+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE) -+ { -+ /* Little-endian values always sit at the left end of the buffer. */ -+ regcache->raw_collect (regno, buf); -+ } -+ else if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) -+ { -+ /* Big-endian values sit at the right end of the buffer. */ -+ size_t padding = (bytes_to_transfer - register_size (gdbarch, regno)); -+ regcache->raw_collect (regno, buf + padding); -+ } -+ -+ for (i = 0; i < bytes_to_transfer; i += sizeof (long)) -+ { -+ long l; -+ -+ memcpy (&l, &buf[i], sizeof (l)); -+ errno = 0; -+ ptrace (PTRACE_POKEUSER, tid, (PTRACE_TYPE_ARG3) regaddr, l); -+ regaddr += sizeof (long); -+ -+ if (errno != 0) -+ { -+ char message[128]; -+ sprintf (message, "writing register %s (#%d)", -+ gdbarch_register_name (gdbarch, regno), regno); -+ perror_with_name (message); -+ } -+ } -+} -+ -+void _initialize_microblaze_linux_nat (void); -+ -+void -+_initialize_microblaze_linux_nat (void) -+{ -+ /* Register the target. */ -+ linux_target = &the_microblaze_linux_nat_target; -+ add_inf_child_target (linux_target); -+} -diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c -index d6197c49dfd..fc52adffb72 100644 ---- a/gdb/microblaze-linux-tdep.c -+++ b/gdb/microblaze-linux-tdep.c -@@ -37,6 +37,7 @@ - #include "tramp-frame.h" - #include "linux-tdep.h" - #include "glibc-tdep.h" -+#include "features/microblaze-linux.c" - - static int microblaze_debug_flag = 0; - -@@ -179,4 +180,5 @@ _initialize_microblaze_linux_tdep () - { - gdbarch_register_osabi (bfd_arch_microblaze, 0, GDB_OSABI_LINUX, - microblaze_linux_init_abi); -+ initialize_tdesc_microblaze_linux (); - } -diff --git a/gdb/microblaze-linux-tdep.h b/gdb/microblaze-linux-tdep.h -new file mode 100644 -index 00000000000..a2c744e2961 ---- /dev/null -+++ b/gdb/microblaze-linux-tdep.h -@@ -0,0 +1,24 @@ -+/* Target-dependent code for GNU/Linux on OpenRISC. -+ -+ Copyright (C) 2021 Free Software Foundation, Inc. -+ -+ This file is part of GDB. -+ -+ This program is free software; you can redistribute it and/or modify -+ it under the terms of the GNU General Public License as published by -+ the Free Software Foundation; either version 3 of the License, or -+ (at your option) any later version. -+ -+ This program is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ GNU General Public License for more details. -+ -+ You should have received a copy of the GNU General Public License -+ along with this program. If not, see . */ -+#ifndef MICROBLAZE_LINUX_TDEP_H -+#define MICROBLAZE_LINUX_TDEP_H -+ /* Target descriptions. */ -+ extern struct target_desc *tdesc_microblaze_linux; -+ -+#endif /* MICROBLAZE_LINUX_TDEP_H */ -diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c -index ccd37d085d6..ccb6b730d64 100644 ---- a/gdb/microblaze-tdep.c -+++ b/gdb/microblaze-tdep.c -@@ -285,6 +285,7 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, - cache->frameless_p = 0; /* Frame found. */ - save_hidden_pointer_found = 0; - non_stack_instruction_found = 0; -+ cache->register_offsets[rd] = -imm; - continue; - } - else if (IS_SPILL_SP(op, rd, ra)) -@@ -431,15 +432,17 @@ microblaze_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc) - if (find_pc_partial_function (start_pc, NULL, &func_start, &func_end)) - { - sal = find_pc_line (func_start, 0); -- -- if (sal.end < func_end -- && start_pc <= sal.end) -+ -+ if (sal.line !=0 && sal.end <= func_end && start_pc <= sal.end) { - start_pc = sal.end; -+ microblaze_debug("start_pc is %d\t sal.end is %d\t func_end is %d\t",start_pc,sal.end,func_end); -+ } - } - - ostart_pc = microblaze_analyze_prologue (gdbarch, func_start, 0xffffffffUL, - &cache); - -+ - if (ostart_pc > start_pc) - return ostart_pc; - return start_pc; -@@ -453,6 +456,7 @@ microblaze_frame_cache (struct frame_info *next_frame, void **this_cache) - struct microblaze_frame_cache *cache; - struct gdbarch *gdbarch = get_frame_arch (next_frame); - int rn; -+ CORE_ADDR current_pc; - - if (*this_cache) - return (struct microblaze_frame_cache *) *this_cache; -@@ -466,10 +470,17 @@ microblaze_frame_cache (struct frame_info *next_frame, void **this_cache) - cache->register_offsets[rn] = -1; - - /* Call for side effects. */ -- get_frame_func (next_frame); -- -- cache->pc = get_frame_address_in_block (next_frame); -- -+ cache->pc = get_frame_func (next_frame); -+ -+// cache->pc = get_frame_address_in_block (next_frame); -+ current_pc = get_frame_pc (next_frame); -+ if (cache->pc) -+ microblaze_analyze_prologue (gdbarch, cache->pc, current_pc, cache); -+ -+ cache->saved_sp = cache->base + cache->framesize; -+ cache->register_offsets[MICROBLAZE_PREV_PC_REGNUM] = cache->base; -+ cache->register_offsets[MICROBLAZE_SP_REGNUM] = cache->saved_sp; -+ - return cache; - } - -@@ -494,6 +505,25 @@ microblaze_frame_prev_register (struct frame_info *this_frame, - struct microblaze_frame_cache *cache = - microblaze_frame_cache (this_frame, this_cache); - -+if ((regnum == MICROBLAZE_SP_REGNUM && -+ cache->register_offsets[MICROBLAZE_SP_REGNUM]) -+ || (regnum == MICROBLAZE_FP_REGNUM && -+ cache->register_offsets[MICROBLAZE_SP_REGNUM])) -+ -+ return frame_unwind_got_constant (this_frame, regnum, -+ cache->register_offsets[MICROBLAZE_SP_REGNUM]); -+ -+if (regnum == MICROBLAZE_PC_REGNUM) -+{ -+ regnum = 15; -+ return frame_unwind_got_memory (this_frame, regnum, -+ cache->register_offsets[MICROBLAZE_PREV_PC_REGNUM]); -+ -+} -+if (regnum == MICROBLAZE_SP_REGNUM) -+ regnum = 1; -+#if 0 -+ - if (cache->frameless_p) - { - if (regnum == MICROBLAZE_PC_REGNUM) -@@ -506,7 +536,9 @@ microblaze_frame_prev_register (struct frame_info *this_frame, - else - return trad_frame_get_prev_register (this_frame, cache->saved_regs, - regnum); -- -+#endif -+ return trad_frame_get_prev_register (this_frame, cache->saved_regs, -+ regnum); - } - - static const struct frame_unwind microblaze_frame_unwind = -@@ -622,7 +654,106 @@ microblaze_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type) - return (TYPE_LENGTH (type) == 16); - } - -- -+#if 1 -+static std::vector -+microblaze_software_single_step (struct regcache *regcache) -+{ -+ struct gdbarch *arch = regcache->arch (); -+ //struct gdbarch_tdep *tdep = gdbarch_tdep (arch); -+ static int le_breakp[] = MICROBLAZE_BREAKPOINT_LE; -+ static int be_breakp[] = MICROBLAZE_BREAKPOINT; -+ enum bfd_endian byte_order = gdbarch_byte_order (arch); -+ int *breakp = byte_order == BFD_ENDIAN_BIG ? be_breakp : le_breakp; -+// std::vector ret = NULL; -+ -+ /* Save the address and the values of the next_pc and the target */ -+ static struct sstep_breaks -+ { -+ CORE_ADDR address; -+ bfd_boolean valid; -+ /* Shadow contents. */ -+ char data[INST_WORD_SIZE]; -+ } stepbreaks[2]; -+ int ii; -+ -+ CORE_ADDR pc; -+ std::vector next_pcs; -+ long insn; -+ enum microblaze_instr minstr; -+ bfd_boolean isunsignednum; -+ enum microblaze_instr_type insn_type; -+ short delay_slots; -+ int imm; -+ bfd_boolean immfound = FALSE; -+ -+ /* Set a breakpoint at the next instruction */ -+ /* If the current instruction is an imm, set it at the inst after */ -+ /* If the instruction has a delay slot, skip the delay slot */ -+ pc = regcache_read_pc (regcache); -+ insn = microblaze_fetch_instruction (pc); -+ minstr = get_insn_microblaze (insn, &isunsignednum, &insn_type, &delay_slots); -+ if (insn_type == immediate_inst) -+ { -+ int rd, ra, rb; -+ immfound = TRUE; -+ minstr = microblaze_decode_insn (insn, &rd, &ra, &rb, &imm); -+ pc = pc + INST_WORD_SIZE; -+ insn = microblaze_fetch_instruction (pc); -+ minstr = get_insn_microblaze (insn, &isunsignednum, &insn_type, &delay_slots); -+ } -+ stepbreaks[0].address = pc + (delay_slots * INST_WORD_SIZE) + INST_WORD_SIZE; -+ if (insn_type != return_inst) { -+ stepbreaks[0].valid = TRUE; -+ } else { -+ stepbreaks[0].valid = FALSE; -+ } -+ -+ microblaze_debug ("single-step insn_type=%x insn=%x\n", insn_type, insn); -+ /* Now check for branch or return instructions */ -+ if (insn_type == branch_inst || insn_type == return_inst) { -+ int limm; -+ int lrd, lra, lrb; -+ int ra, rb; -+ bfd_boolean targetvalid; -+ bfd_boolean unconditionalbranch; -+ microblaze_decode_insn(insn, &lrd, &lra, &lrb, &limm); -+ if (lra >= 0 && lra < MICROBLAZE_NUM_REGS) -+ ra = regcache_raw_get_unsigned(regcache, lra); -+ else -+ ra = 0; -+ if (lrb >= 0 && lrb < MICROBLAZE_NUM_REGS) -+ rb = regcache_raw_get_unsigned(regcache, lrb); -+ else -+ rb = 0; -+ stepbreaks[1].address = microblaze_get_target_address (insn, immfound, imm, pc, ra, rb, &targetvalid, &unconditionalbranch); -+ microblaze_debug ("single-step uncondbr=%d targetvalid=%d target=%x\n", unconditionalbranch, targetvalid, stepbreaks[1].address); -+ if (unconditionalbranch) -+ stepbreaks[0].valid = FALSE; /* This is a unconditional branch: will not come to the next address */ -+ if (targetvalid && (stepbreaks[0].valid == FALSE || -+ (stepbreaks[0].address != stepbreaks[1].address)) -+ && (stepbreaks[1].address != pc)) { -+ stepbreaks[1].valid = TRUE; -+ } else { -+ stepbreaks[1].valid = FALSE; -+ } -+ } else { -+ stepbreaks[1].valid = FALSE; -+ } -+ -+ /* Insert the breakpoints */ -+ for (ii = 0; ii < 2; ++ii) -+ { -+ -+ /* ignore invalid breakpoint. */ -+ if (stepbreaks[ii].valid) { -+ // VEC_safe_push (CORE_ADDR, next_pcs, stepbreaks[ii].address);; -+ next_pcs.push_back (stepbreaks[ii].address); -+ } -+ } -+ return next_pcs; -+} -+#endif -+ - static int dwarf2_to_reg_map[78] = - { 0 /* r0 */, 1 /* r1 */, 2 /* r2 */, 3 /* r3 */, /* 0- 3 */ - 4 /* r4 */, 5 /* r5 */, 6 /* r6 */, 7 /* r7 */, /* 4- 7 */ -@@ -790,6 +921,8 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - microblaze_breakpoint::bp_from_kind); - set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); - -+ set_gdbarch_software_single_step (gdbarch, microblaze_software_single_step); -+ - set_gdbarch_frame_args_skip (gdbarch, 8); - - set_gdbarch_unwind_pc (gdbarch, microblaze_unwind_pc); -diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h -index 2e853d84d72..2415acfe7b6 100644 ---- a/gdb/microblaze-tdep.h -+++ b/gdb/microblaze-tdep.h -@@ -60,11 +60,11 @@ enum microblaze_regnum - MICROBLAZE_R12_REGNUM, - MICROBLAZE_R13_REGNUM, - MICROBLAZE_R14_REGNUM, -- MICROBLAZE_R15_REGNUM, -+ MICROBLAZE_R15_REGNUM,MICROBLAZE_PREV_PC_REGNUM = MICROBLAZE_R15_REGNUM, - MICROBLAZE_R16_REGNUM, - MICROBLAZE_R17_REGNUM, - MICROBLAZE_R18_REGNUM, -- MICROBLAZE_R19_REGNUM, -+ MICROBLAZE_R19_REGNUM,MICROBLAZE_FP_REGNUM = MICROBLAZE_R19_REGNUM, - MICROBLAZE_R20_REGNUM, - MICROBLAZE_R21_REGNUM, - MICROBLAZE_R22_REGNUM, -@@ -77,7 +77,8 @@ enum microblaze_regnum - MICROBLAZE_R29_REGNUM, - MICROBLAZE_R30_REGNUM, - MICROBLAZE_R31_REGNUM, -- MICROBLAZE_PC_REGNUM, -+ MICROBLAZE_MAX_GPR_REGS, -+ MICROBLAZE_PC_REGNUM=32, - MICROBLAZE_MSR_REGNUM, - MICROBLAZE_EAR_REGNUM, - MICROBLAZE_ESR_REGNUM, -@@ -102,17 +103,21 @@ enum microblaze_regnum - MICROBLAZE_RTLBSX_REGNUM, - MICROBLAZE_RTLBLO_REGNUM, - MICROBLAZE_RTLBHI_REGNUM, -- MICROBLAZE_SLR_REGNUM, MICROBLAZE_NUM_CORE_REGS = MICROBLAZE_SLR_REGNUM, -+ MICROBLAZE_SLR_REGNUM, - MICROBLAZE_SHR_REGNUM, -- MICROBLAZE_NUM_REGS -+ MICROBLAZE_NUM_REGS, MICROBLAZE_NUM_CORE_REGS = MICROBLAZE_NUM_REGS - }; - -+/* Big enough to hold the size of the largest register in bytes. */ -+#define MICROBLAZE_MAX_REGISTER_SIZE 64 -+ - struct microblaze_frame_cache - { - /* Base address. */ - CORE_ADDR base; - CORE_ADDR pc; - -+ CORE_ADDR saved_sp; - /* Do we have a frame? */ - int frameless_p; - --- -2.37.1 (Apple Git-137.1) - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0005-MicroBlaze-native-gdb-port.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0005-MicroBlaze-native-gdb-port.patch new file mode 100644 index 00000000..a9c6aee4 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0005-MicroBlaze-native-gdb-port.patch @@ -0,0 +1,834 @@ +From 2e84106b932f40eeaa4ae40b441b9eb7b713b2fa Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 10 Oct 2022 18:53:46 +0530 +Subject: [PATCH 05/54] MicroBlaze native gdb port. + +signed-off-by : Mahesh Bodapati + +Signed-off-by: Aayush Misra +--- + gdb/Makefile.in | 2 + + gdb/configure.nat | 4 + + gdb/features/microblaze-linux.c | 79 +++++++ + gdb/microblaze-linux-nat.c | 366 ++++++++++++++++++++++++++++++++ + gdb/microblaze-linux-tdep.c | 2 + + gdb/microblaze-linux-tdep.h | 24 +++ + gdb/microblaze-tdep.c | 151 ++++++++++++- + gdb/microblaze-tdep.h | 15 +- + 8 files changed, 629 insertions(+), 14 deletions(-) + create mode 100755 gdb/features/microblaze-linux.c + create mode 100755 gdb/microblaze-linux-nat.c + create mode 100644 gdb/microblaze-linux-tdep.h + +diff --git a/gdb/Makefile.in b/gdb/Makefile.in +index 9c0a0bff2cd..1ad975b50ae 100644 +--- a/gdb/Makefile.in ++++ b/gdb/Makefile.in +@@ -1406,6 +1406,7 @@ HFILES_NO_SRCDIR = \ + memory-map.h \ + memrange.h \ + microblaze-tdep.h \ ++ microblaze-linux-tdep.h \ + mips-linux-tdep.h \ + mips-netbsd-tdep.h \ + mips-tdep.h \ +@@ -1754,6 +1755,7 @@ ALLDEPFILES = \ + m68k-linux-nat.c \ + m68k-linux-tdep.c \ + m68k-tdep.c \ ++ microblaze-linux-nat.c \ + microblaze-linux-tdep.c \ + microblaze-tdep.c \ + mingw-hdep.c \ +diff --git a/gdb/configure.nat b/gdb/configure.nat +index 1dc4206b69c..05003e57020 100644 +--- a/gdb/configure.nat ++++ b/gdb/configure.nat +@@ -274,6 +274,10 @@ case ${gdb_host} in + # Host: Motorola m68k running GNU/Linux. + NATDEPFILES="${NATDEPFILES} m68k-linux-nat.o" + ;; ++ microblaze) ++ # Host: Microblaze running GNU/Linux. ++ NATDEPFILES="${NATDEPFILES} microblaze-linux-nat.o" ++ ;; + mips) + # Host: Linux/MIPS + NATDEPFILES="${NATDEPFILES} linux-nat-trad.o \ +diff --git a/gdb/features/microblaze-linux.c b/gdb/features/microblaze-linux.c +new file mode 100755 +index 00000000000..267e12f6d59 +--- /dev/null ++++ b/gdb/features/microblaze-linux.c +@@ -0,0 +1,79 @@ ++/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro: ++ Original: microblaze.xml */ ++ ++#include "defs.h" ++#include "osabi.h" ++#include "target-descriptions.h" ++ ++struct target_desc *tdesc_microblaze_linux; ++static void ++initialize_tdesc_microblaze_linux (void) ++{ ++ target_desc_up result = allocate_target_description (); ++ struct tdesc_feature *feature; ++ set_tdesc_architecture (result.get(), bfd_scan_arch ("microblaze")); ++ set_tdesc_osabi (result.get(), osabi_from_tdesc_string ("GNU/Linux")); ++ ++ feature = tdesc_create_feature (result.get(), "org.gnu.gdb.microblaze.core"); ++ tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r5", 5, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r6", 6, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r7", 7, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r8", 8, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r9", 9, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r10", 10, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r11", 11, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r12", 12, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r13", 13, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r14", 14, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r15", 15, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r16", 16, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r17", 17, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r18", 18, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r19", 19, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r20", 20, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r21", 21, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r22", 22, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r23", 23, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r24", 24, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r25", 25, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r26", 26, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r27", 27, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r28", 28, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rear", 34, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rfsr", 36, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rbtr", 37, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr0", 38, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr1", 39, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr2", 40, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr3", 41, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr4", 42, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr5", 43, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr6", 44, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr7", 45, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr8", 46, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr9", 47, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr10", 48, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr11", 49, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "redr", 50, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpid", 51, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rzpr", 52, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbx", 53, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); ++ ++ tdesc_microblaze_linux = result.release(); ++} +diff --git a/gdb/microblaze-linux-nat.c b/gdb/microblaze-linux-nat.c +new file mode 100755 +index 00000000000..a348001a3e2 +--- /dev/null ++++ b/gdb/microblaze-linux-nat.c +@@ -0,0 +1,366 @@ ++/* Native-dependent code for GNU/Linux MicroBlaze. ++ Copyright (C) 2021 Free Software Foundation, Inc. ++ ++ This file is part of GDB. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program. If not, see . */ ++ ++#include "defs.h" ++#include "arch-utils.h" ++#include "dis-asm.h" ++#include "frame.h" ++#include "trad-frame.h" ++#include "symtab.h" ++#include "value.h" ++#include "gdbcmd.h" ++#include "breakpoint.h" ++#include "inferior.h" ++#include "gdbthread.h" ++#include "gdbcore.h" ++#include "regcache.h" ++#include "regset.h" ++#include "target.h" ++#include "frame.h" ++#include "frame-base.h" ++#include "frame-unwind.h" ++#include "osabi.h" ++#include "gdbsupport/gdb_assert.h" ++#include ++#include "target-descriptions.h" ++#include "opcodes/microblaze-opcm.h" ++#include "opcodes/microblaze-dis.h" ++#include "gregset.h" ++ ++#include "linux-nat.h" ++#include "linux-tdep.h" ++#include "target-descriptions.h" ++ ++#include ++#include ++#include ++#include "gdbsupport/gdb_wait.h" ++#include ++#include ++#include "nat/gdb_ptrace.h" ++#include "nat/linux-ptrace.h" ++#include "inf-ptrace.h" ++#include ++#include ++#include ++#include ++ ++/* Prototypes for supply_gregset etc. */ ++#include "gregset.h" ++ ++#include "microblaze-tdep.h" ++#include "microblaze-linux-tdep.h" ++#include "inferior.h" ++ ++#include "elf/common.h" ++ ++#include "auxv.h" ++#include "linux-tdep.h" ++ ++#include ++ ++ ++//int have_ptrace_getsetregs=1; ++ ++/* MicroBlaze Linux native additions to the default linux support. */ ++ ++class microblaze_linux_nat_target final : public linux_nat_target ++{ ++public: ++ /* Add our register access methods. */ ++ void fetch_registers (struct regcache *regcache, int regnum) override; ++ void store_registers (struct regcache *regcache, int regnum) override; ++ ++ /* Read suitable target description. */ ++ const struct target_desc *read_description () override; ++}; ++ ++static microblaze_linux_nat_target the_microblaze_linux_nat_target; ++ ++static int ++microblaze_register_u_addr (struct gdbarch *gdbarch, int regno) ++{ ++ int u_addr = -1; ++ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); ++ /* NOTE: cagney/2003-11-25: This is the word size used by the ptrace ++ * interface, and not the wordsize of the program's ABI. */ ++ int wordsize = sizeof (long); ++ ++ /* General purpose registers occupy 1 slot each in the buffer. */ ++ if (regno >= MICROBLAZE_R0_REGNUM ++ && regno <= MICROBLAZE_FSR_REGNUM) ++ u_addr = ((regno - MICROBLAZE_R0_REGNUM)* wordsize); ++ ++ return u_addr; ++} ++ ++/* Copy general purpose register REGNUM (or all gp regs if REGNUM == -1) ++ from regset GREGS into REGCACHE. */ ++ ++static void ++supply_gregset_regnum (struct regcache *regcache, const prgregset_t *gregs, ++ int regnum) ++{ ++ int i; ++ const elf_greg_t *regp = *gregs; ++ /* Access all registers */ ++ if (regnum == -1) ++ { ++ /* We fill the general purpose registers. */ ++ for (i = MICROBLAZE_R0_REGNUM + 1; i < MICROBLAZE_FSR_REGNUM; i++) ++ regcache->raw_supply (i, regp + i); ++ ++ /* Supply MICROBLAZE_PC_REGNUM from index 32. */ ++ regcache->raw_supply (MICROBLAZE_PC_REGNUM, regp + 32); ++ ++ /* Fill the inaccessible zero register with zero. */ ++ regcache->raw_supply_zeroed (0); ++ } ++ else if (regnum == MICROBLAZE_R0_REGNUM) ++ regcache->raw_supply_zeroed (0); ++ else if (regnum == MICROBLAZE_PC_REGNUM) ++ regcache->raw_supply (MICROBLAZE_PC_REGNUM, regp + 32); ++ else if (regnum > MICROBLAZE_R0_REGNUM && regnum < MICROBLAZE_FSR_REGNUM) ++ regcache->raw_supply (regnum, regp + regnum); ++} ++ ++/* Copy all general purpose registers from regset GREGS into REGCACHE. */ ++ ++void ++supply_gregset (struct regcache *regcache, const prgregset_t *gregs) ++{ ++ supply_gregset_regnum (regcache, gregs, -1); ++} ++ ++/* Copy general purpose register REGNUM (or all gp regs if REGNUM == -1) ++ from REGCACHE into regset GREGS. */ ++ ++void ++fill_gregset (const struct regcache *regcache, prgregset_t *gregs, int regnum) ++{ ++ elf_greg_t *regp = *gregs; ++ if (regnum == -1) ++ { ++ /* We fill the general purpose registers. */ ++ for (int i = MICROBLAZE_R0_REGNUM + 1; i < MICROBLAZE_FSR_REGNUM; i++) ++ regcache->raw_collect (i, regp + i); ++ ++ regcache->raw_collect (MICROBLAZE_PC_REGNUM, regp + 32); ++ } ++ else if (regnum == MICROBLAZE_R0_REGNUM) ++ /* Nothing to do here. */ ++ ; ++ else if (regnum > MICROBLAZE_R0_REGNUM && regnum < MICROBLAZE_FSR_REGNUM) ++ regcache->raw_collect (regnum, regp + regnum); ++ else if (regnum == MICROBLAZE_PC_REGNUM) ++ regcache->raw_collect (MICROBLAZE_PC_REGNUM, regp + 32); ++} ++ ++/* Transfering floating-point registers between GDB, inferiors and cores. ++ Since MicroBlaze floating-point registers are the same as GPRs these do ++ nothing. */ ++ ++void ++supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregs) ++{ ++} ++ ++void ++fill_fpregset (const struct regcache *regcache, ++ gdb_fpregset_t *fpregs, int regno) ++{ ++} ++ ++ ++static void ++fetch_register (struct regcache *regcache, int tid, int regno) ++{ ++ struct gdbarch *gdbarch = regcache->arch (); ++ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); ++ /* This isn't really an address. But ptrace thinks of it as one. */ ++ CORE_ADDR regaddr = microblaze_register_u_addr (gdbarch, regno); ++ int bytes_transferred; ++ char buf[MICROBLAZE_MAX_REGISTER_SIZE]; ++ ++ if (regaddr == -1) ++ { ++ memset (buf, '\0', register_size (gdbarch, regno)); /* Supply zeroes */ ++ regcache->raw_supply (regno, buf); ++ return; ++ } ++ ++ /* Read the raw register using sizeof(long) sized chunks. On a ++ * 32-bit platform, 64-bit floating-point registers will require two ++ * transfers. */ ++ for (bytes_transferred = 0; ++ bytes_transferred < register_size (gdbarch, regno); ++ bytes_transferred += sizeof (long)) ++ { ++ long l; ++ ++ errno = 0; ++ l = ptrace (PTRACE_PEEKUSER, tid, (PTRACE_TYPE_ARG3) regaddr, 0); ++ if (errno == EIO) ++ { ++ printf("ptrace io error\n"); ++ } ++ regaddr += sizeof (long); ++ if (errno != 0) ++ { ++ char message[128]; ++ sprintf (message, "reading register %s (#%d)", ++ gdbarch_register_name (gdbarch, regno), regno); ++ perror_with_name (message); ++ } ++ memcpy (&buf[bytes_transferred], &l, sizeof (l)); ++ } ++ ++ /* Now supply the register. Keep in mind that the regcache's idea ++ * of the register's size may not be a multiple of sizeof ++ * (long). */ ++ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE) ++ { ++ /* Little-endian values are always found at the left end of the ++ * bytes transferred. */ ++ regcache->raw_supply (regno, buf); ++ } ++ else if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) ++ { ++ /* Big-endian values are found at the right end of the bytes ++ * transferred. */ ++ size_t padding = (bytes_transferred - register_size (gdbarch, regno)); ++ regcache->raw_supply (regno, buf + padding); ++ } ++ else ++ internal_error (__FILE__, __LINE__, ++ _("fetch_register: unexpected byte order: %d"), ++ gdbarch_byte_order (gdbarch)); ++} ++ ++ ++/* This is a wrapper for the fetch_all_gp_regs function. It is ++ * responsible for verifying if this target has the ptrace request ++ * that can be used to fetch all general-purpose registers at one ++ * shot. If it doesn't, then we should fetch them using the ++ * old-fashioned way, which is to iterate over the registers and ++ * request them one by one. */ ++static void ++fetch_gp_regs (struct regcache *regcache, int tid) ++{ ++ int i; ++/* If we've hit this point, it doesn't really matter which ++ architecture we are using. We just need to read the ++ registers in the "old-fashioned way". */ ++ for (i = MICROBLAZE_R0_REGNUM; i <= MICROBLAZE_FSR_REGNUM; i++) ++ fetch_register (regcache, tid, i); ++} ++ ++/* Return a target description for the current target. */ ++ ++const struct target_desc * ++microblaze_linux_nat_target::read_description () ++{ ++ return tdesc_microblaze_linux; ++} ++ ++/* Fetch REGNUM (or all registers if REGNUM == -1) from the target ++ into REGCACHE using PTRACE_GETREGSET. */ ++ ++void ++microblaze_linux_nat_target::fetch_registers (struct regcache * regcache, ++ int regno) ++{ ++ /* Get the thread id for the ptrace call. */ ++ int tid = regcache->ptid ().lwp (); ++//int tid = get_ptrace_pid (regcache->ptid()); ++#if 1 ++ if (regno == -1) ++#endif ++ fetch_gp_regs (regcache, tid); ++#if 1 ++ else ++ fetch_register (regcache, tid, regno); ++#endif ++} ++ ++ ++/* Store REGNUM (or all registers if REGNUM == -1) to the target ++ from REGCACHE using PTRACE_SETREGSET. */ ++ ++void ++microblaze_linux_nat_target::store_registers (struct regcache *regcache, int regno) ++{ ++ int tid; ++ ++ tid = get_ptrace_pid (regcache->ptid ()); ++ ++ struct gdbarch *gdbarch = regcache->arch (); ++ /* This isn't really an address. But ptrace thinks of it as one. */ ++ CORE_ADDR regaddr = microblaze_register_u_addr (gdbarch, regno); ++ int i; ++ size_t bytes_to_transfer; ++ char buf[MICROBLAZE_MAX_REGISTER_SIZE]; ++ ++ if (regaddr == -1) ++ return; ++ ++ /* First collect the register. Keep in mind that the regcache's ++ * idea of the register's size may not be a multiple of sizeof ++ * (long). */ ++ memset (buf, 0, sizeof buf); ++ bytes_to_transfer = align_up (register_size (gdbarch, regno), sizeof (long)); ++ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE) ++ { ++ /* Little-endian values always sit at the left end of the buffer. */ ++ regcache->raw_collect (regno, buf); ++ } ++ else if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) ++ { ++ /* Big-endian values sit at the right end of the buffer. */ ++ size_t padding = (bytes_to_transfer - register_size (gdbarch, regno)); ++ regcache->raw_collect (regno, buf + padding); ++ } ++ ++ for (i = 0; i < bytes_to_transfer; i += sizeof (long)) ++ { ++ long l; ++ ++ memcpy (&l, &buf[i], sizeof (l)); ++ errno = 0; ++ ptrace (PTRACE_POKEUSER, tid, (PTRACE_TYPE_ARG3) regaddr, l); ++ regaddr += sizeof (long); ++ ++ if (errno != 0) ++ { ++ char message[128]; ++ sprintf (message, "writing register %s (#%d)", ++ gdbarch_register_name (gdbarch, regno), regno); ++ perror_with_name (message); ++ } ++ } ++} ++ ++void _initialize_microblaze_linux_nat (void); ++ ++void ++_initialize_microblaze_linux_nat (void) ++{ ++ /* Register the target. */ ++ linux_target = &the_microblaze_linux_nat_target; ++ add_inf_child_target (linux_target); ++} +diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c +index 17bcb50fd4f..5b57bb4d3ba 100644 +--- a/gdb/microblaze-linux-tdep.c ++++ b/gdb/microblaze-linux-tdep.c +@@ -37,6 +37,7 @@ + #include "tramp-frame.h" + #include "linux-tdep.h" + #include "glibc-tdep.h" ++#include "features/microblaze-linux.c" + + static int microblaze_debug_flag = 0; + +@@ -179,4 +180,5 @@ _initialize_microblaze_linux_tdep () + { + gdbarch_register_osabi (bfd_arch_microblaze, 0, GDB_OSABI_LINUX, + microblaze_linux_init_abi); ++ initialize_tdesc_microblaze_linux (); + } +diff --git a/gdb/microblaze-linux-tdep.h b/gdb/microblaze-linux-tdep.h +new file mode 100644 +index 00000000000..a2c744e2961 +--- /dev/null ++++ b/gdb/microblaze-linux-tdep.h +@@ -0,0 +1,24 @@ ++/* Target-dependent code for GNU/Linux on OpenRISC. ++ ++ Copyright (C) 2021 Free Software Foundation, Inc. ++ ++ This file is part of GDB. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program. If not, see . */ ++#ifndef MICROBLAZE_LINUX_TDEP_H ++#define MICROBLAZE_LINUX_TDEP_H ++ /* Target descriptions. */ ++ extern struct target_desc *tdesc_microblaze_linux; ++ ++#endif /* MICROBLAZE_LINUX_TDEP_H */ +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 6ab36bd746b..066602b385a 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -285,6 +285,7 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, + cache->frameless_p = 0; /* Frame found. */ + save_hidden_pointer_found = 0; + non_stack_instruction_found = 0; ++ cache->register_offsets[rd] = -imm; + continue; + } + else if (IS_SPILL_SP(op, rd, ra)) +@@ -431,15 +432,17 @@ microblaze_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc) + if (find_pc_partial_function (start_pc, NULL, &func_start, &func_end)) + { + sal = find_pc_line (func_start, 0); +- +- if (sal.end < func_end +- && start_pc <= sal.end) ++ ++ if (sal.line !=0 && sal.end <= func_end && start_pc <= sal.end) { + start_pc = sal.end; ++ microblaze_debug("start_pc is %d\t sal.end is %d\t func_end is %d\t",start_pc,sal.end,func_end); ++ } + } + + ostart_pc = microblaze_analyze_prologue (gdbarch, func_start, 0xffffffffUL, + &cache); + ++ + if (ostart_pc > start_pc) + return ostart_pc; + return start_pc; +@@ -453,6 +456,7 @@ microblaze_frame_cache (frame_info_ptr next_frame, void **this_cache) + struct microblaze_frame_cache *cache; + struct gdbarch *gdbarch = get_frame_arch (next_frame); + int rn; ++ CORE_ADDR current_pc; + + if (*this_cache) + return (struct microblaze_frame_cache *) *this_cache; +@@ -466,10 +470,17 @@ microblaze_frame_cache (frame_info_ptr next_frame, void **this_cache) + cache->register_offsets[rn] = -1; + + /* Call for side effects. */ +- get_frame_func (next_frame); +- +- cache->pc = get_frame_address_in_block (next_frame); +- ++ cache->pc = get_frame_func (next_frame); ++ ++// cache->pc = get_frame_address_in_block (next_frame); ++ current_pc = get_frame_pc (next_frame); ++ if (cache->pc) ++ microblaze_analyze_prologue (gdbarch, cache->pc, current_pc, cache); ++ ++ cache->saved_sp = cache->base + cache->framesize; ++ cache->register_offsets[MICROBLAZE_PREV_PC_REGNUM] = cache->base; ++ cache->register_offsets[MICROBLAZE_SP_REGNUM] = cache->saved_sp; ++ + return cache; + } + +@@ -494,6 +505,25 @@ microblaze_frame_prev_register (frame_info_ptr this_frame, + struct microblaze_frame_cache *cache = + microblaze_frame_cache (this_frame, this_cache); + ++if ((regnum == MICROBLAZE_SP_REGNUM && ++ cache->register_offsets[MICROBLAZE_SP_REGNUM]) ++ || (regnum == MICROBLAZE_FP_REGNUM && ++ cache->register_offsets[MICROBLAZE_SP_REGNUM])) ++ ++ return frame_unwind_got_constant (this_frame, regnum, ++ cache->register_offsets[MICROBLAZE_SP_REGNUM]); ++ ++if (regnum == MICROBLAZE_PC_REGNUM) ++{ ++ regnum = 15; ++ return frame_unwind_got_memory (this_frame, regnum, ++ cache->register_offsets[MICROBLAZE_PREV_PC_REGNUM]); ++ ++} ++if (regnum == MICROBLAZE_SP_REGNUM) ++ regnum = 1; ++#if 0 ++ + if (cache->frameless_p) + { + if (regnum == MICROBLAZE_PC_REGNUM) +@@ -506,7 +536,9 @@ microblaze_frame_prev_register (frame_info_ptr this_frame, + else + return trad_frame_get_prev_register (this_frame, cache->saved_regs, + regnum); +- ++#endif ++ return trad_frame_get_prev_register (this_frame, cache->saved_regs, ++ regnum); + } + + static const struct frame_unwind microblaze_frame_unwind = +@@ -621,7 +653,106 @@ microblaze_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type) + return (type->length () == 16); + } + +- ++#if 1 ++static std::vector ++microblaze_software_single_step (struct regcache *regcache) ++{ ++ struct gdbarch *arch = regcache->arch (); ++ //struct gdbarch_tdep *tdep = gdbarch_tdep (arch); ++ static int le_breakp[] = MICROBLAZE_BREAKPOINT_LE; ++ static int be_breakp[] = MICROBLAZE_BREAKPOINT; ++ enum bfd_endian byte_order = gdbarch_byte_order (arch); ++ int *breakp = byte_order == BFD_ENDIAN_BIG ? be_breakp : le_breakp; ++// std::vector ret = NULL; ++ ++ /* Save the address and the values of the next_pc and the target */ ++ static struct sstep_breaks ++ { ++ CORE_ADDR address; ++ bfd_boolean valid; ++ /* Shadow contents. */ ++ char data[INST_WORD_SIZE]; ++ } stepbreaks[2]; ++ int ii; ++ ++ CORE_ADDR pc; ++ std::vector next_pcs; ++ long insn; ++ enum microblaze_instr minstr; ++ bfd_boolean isunsignednum; ++ enum microblaze_instr_type insn_type; ++ short delay_slots; ++ int imm; ++ bfd_boolean immfound = FALSE; ++ ++ /* Set a breakpoint at the next instruction */ ++ /* If the current instruction is an imm, set it at the inst after */ ++ /* If the instruction has a delay slot, skip the delay slot */ ++ pc = regcache_read_pc (regcache); ++ insn = microblaze_fetch_instruction (pc); ++ minstr = get_insn_microblaze (insn, &isunsignednum, &insn_type, &delay_slots); ++ if (insn_type == immediate_inst) ++ { ++ int rd, ra, rb; ++ immfound = TRUE; ++ minstr = microblaze_decode_insn (insn, &rd, &ra, &rb, &imm); ++ pc = pc + INST_WORD_SIZE; ++ insn = microblaze_fetch_instruction (pc); ++ minstr = get_insn_microblaze (insn, &isunsignednum, &insn_type, &delay_slots); ++ } ++ stepbreaks[0].address = pc + (delay_slots * INST_WORD_SIZE) + INST_WORD_SIZE; ++ if (insn_type != return_inst) { ++ stepbreaks[0].valid = TRUE; ++ } else { ++ stepbreaks[0].valid = FALSE; ++ } ++ ++ microblaze_debug ("single-step insn_type=%x insn=%x\n", insn_type, insn); ++ /* Now check for branch or return instructions */ ++ if (insn_type == branch_inst || insn_type == return_inst) { ++ int limm; ++ int lrd, lra, lrb; ++ int ra, rb; ++ bfd_boolean targetvalid; ++ bfd_boolean unconditionalbranch; ++ microblaze_decode_insn(insn, &lrd, &lra, &lrb, &limm); ++ if (lra >= 0 && lra < MICROBLAZE_NUM_REGS) ++ ra = regcache_raw_get_unsigned(regcache, lra); ++ else ++ ra = 0; ++ if (lrb >= 0 && lrb < MICROBLAZE_NUM_REGS) ++ rb = regcache_raw_get_unsigned(regcache, lrb); ++ else ++ rb = 0; ++ stepbreaks[1].address = microblaze_get_target_address (insn, immfound, imm, pc, ra, rb, &targetvalid, &unconditionalbranch); ++ microblaze_debug ("single-step uncondbr=%d targetvalid=%d target=%x\n", unconditionalbranch, targetvalid, stepbreaks[1].address); ++ if (unconditionalbranch) ++ stepbreaks[0].valid = FALSE; /* This is a unconditional branch: will not come to the next address */ ++ if (targetvalid && (stepbreaks[0].valid == FALSE || ++ (stepbreaks[0].address != stepbreaks[1].address)) ++ && (stepbreaks[1].address != pc)) { ++ stepbreaks[1].valid = TRUE; ++ } else { ++ stepbreaks[1].valid = FALSE; ++ } ++ } else { ++ stepbreaks[1].valid = FALSE; ++ } ++ ++ /* Insert the breakpoints */ ++ for (ii = 0; ii < 2; ++ii) ++ { ++ ++ /* ignore invalid breakpoint. */ ++ if (stepbreaks[ii].valid) { ++ // VEC_safe_push (CORE_ADDR, next_pcs, stepbreaks[ii].address);; ++ next_pcs.push_back (stepbreaks[ii].address); ++ } ++ } ++ return next_pcs; ++} ++#endif ++ + static int dwarf2_to_reg_map[78] = + { 0 /* r0 */, 1 /* r1 */, 2 /* r2 */, 3 /* r3 */, /* 0- 3 */ + 4 /* r4 */, 5 /* r5 */, 6 /* r6 */, 7 /* r7 */, /* 4- 7 */ +@@ -788,6 +919,8 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + microblaze_breakpoint::bp_from_kind); + set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); + ++ set_gdbarch_software_single_step (gdbarch, microblaze_software_single_step); ++ + set_gdbarch_frame_args_skip (gdbarch, 8); + + set_gdbarch_unwind_pc (gdbarch, microblaze_unwind_pc); +diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h +index 738da4f0531..21f206777f0 100644 +--- a/gdb/microblaze-tdep.h ++++ b/gdb/microblaze-tdep.h +@@ -60,11 +60,11 @@ enum microblaze_regnum + MICROBLAZE_R12_REGNUM, + MICROBLAZE_R13_REGNUM, + MICROBLAZE_R14_REGNUM, +- MICROBLAZE_R15_REGNUM, ++ MICROBLAZE_R15_REGNUM,MICROBLAZE_PREV_PC_REGNUM = MICROBLAZE_R15_REGNUM, + MICROBLAZE_R16_REGNUM, + MICROBLAZE_R17_REGNUM, + MICROBLAZE_R18_REGNUM, +- MICROBLAZE_R19_REGNUM, ++ MICROBLAZE_R19_REGNUM,MICROBLAZE_FP_REGNUM = MICROBLAZE_R19_REGNUM, + MICROBLAZE_R20_REGNUM, + MICROBLAZE_R21_REGNUM, + MICROBLAZE_R22_REGNUM, +@@ -77,7 +77,8 @@ enum microblaze_regnum + MICROBLAZE_R29_REGNUM, + MICROBLAZE_R30_REGNUM, + MICROBLAZE_R31_REGNUM, +- MICROBLAZE_PC_REGNUM, ++ MICROBLAZE_MAX_GPR_REGS, ++ MICROBLAZE_PC_REGNUM=32, + MICROBLAZE_MSR_REGNUM, + MICROBLAZE_EAR_REGNUM, + MICROBLAZE_ESR_REGNUM, +@@ -102,17 +103,21 @@ enum microblaze_regnum + MICROBLAZE_RTLBSX_REGNUM, + MICROBLAZE_RTLBLO_REGNUM, + MICROBLAZE_RTLBHI_REGNUM, +- MICROBLAZE_SLR_REGNUM, MICROBLAZE_NUM_CORE_REGS = MICROBLAZE_SLR_REGNUM, ++ MICROBLAZE_SLR_REGNUM, + MICROBLAZE_SHR_REGNUM, +- MICROBLAZE_NUM_REGS ++ MICROBLAZE_NUM_REGS, MICROBLAZE_NUM_CORE_REGS = MICROBLAZE_NUM_REGS + }; + ++/* Big enough to hold the size of the largest register in bytes. */ ++#define MICROBLAZE_MAX_REGISTER_SIZE 64 ++ + struct microblaze_frame_cache + { + /* Base address. */ + CORE_ADDR base; + CORE_ADDR pc; + ++ CORE_ADDR saved_sp; + /* Do we have a frame? */ + int frameless_p; + +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0005-Patch-microblaze-Adding-64-bit-MB-support.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0005-Patch-microblaze-Adding-64-bit-MB-support.patch deleted file mode 100644 index 6eea28fe..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0005-Patch-microblaze-Adding-64-bit-MB-support.patch +++ /dev/null @@ -1,5789 +0,0 @@ -From 6aadc445a00275c37112e431c6a29f5a331e6e16 Mon Sep 17 00:00:00 2001 -From: Nagaraju Mekala -Date: Thu, 31 Jan 2019 14:36:00 +0530 -Subject: [PATCH 5/8] [Patch, microblaze]: Adding 64 bit MB support Added new - architecture to Microblaze 64-bit support to GDB Signed-off-by :Nagaraju - Mekala Signed-off-by :Mahesh Bodapati - - -Conflicts: - gdb/Makefile.in - -Conflicts: - bfd/cpu-microblaze.c - gdb/microblaze-tdep.c - ld/Makefile.am - ld/Makefile.in - opcodes/microblaze-dis.c - -Conflicts: - bfd/configure - gas/config/tc-microblaze.c - ld/Makefile.in - opcodes/microblaze-opcm.h - -Conflicts: - gdb/microblaze-tdep.c - -Conflicts: - bfd/elf32-microblaze.c - gas/config/tc-microblaze.c - gdb/features/Makefile - gdb/features/microblaze-with-stack-protect.c - gdb/microblaze-tdep.c - gdb/regformats/microblaze-with-stack-protect.dat - gdbserver/linux-microblaze-low.c - include/elf/common.h -Upstream-Status: Pending - -Signed-off-by: Mark Hatle - ---- - bfd/Makefile.am | 2 + - bfd/Makefile.in | 3 + - bfd/archures.c | 2 + - bfd/bfd-in2.h | 31 +- - bfd/config.bfd | 4 + - bfd/configure | 2 + - bfd/cpu-microblaze.c | 55 +- - bfd/elf32-microblaze.c | 162 +- - bfd/elf64-microblaze.c | 3810 +++++++++++++++++ - bfd/libbfd.h | 3 + - bfd/reloc.c | 20 + - bfd/targets.c | 6 + - gdb/features/Makefile | 2 + - gdb/features/microblaze-core.xml | 6 +- - gdb/features/microblaze-stack-protect.xml | 4 +- - gdb/features/microblaze-with-stack-protect.c | 8 +- - gdb/features/microblaze.c | 6 +- - gdb/features/microblaze64-core.xml | 69 + - gdb/features/microblaze64-stack-protect.xml | 12 + - .../microblaze64-with-stack-protect.c | 79 + - .../microblaze64-with-stack-protect.xml | 12 + - gdb/features/microblaze64.c | 77 + - gdb/features/microblaze64.xml | 11 + - gdb/microblaze-linux-tdep.c | 36 +- - gdb/microblaze-tdep.c | 126 +- - gdb/microblaze-tdep.h | 4 +- - include/elf/common.h | 1 + - include/elf/microblaze.h | 4 + - opcodes/microblaze-dis.c | 51 +- - opcodes/microblaze-opc.h | 180 +- - opcodes/microblaze-opcm.h | 36 +- - 31 files changed, 4729 insertions(+), 95 deletions(-) - create mode 100755 bfd/elf64-microblaze.c - create mode 100644 gdb/features/microblaze64-core.xml - create mode 100644 gdb/features/microblaze64-stack-protect.xml - create mode 100644 gdb/features/microblaze64-with-stack-protect.c - create mode 100644 gdb/features/microblaze64-with-stack-protect.xml - create mode 100644 gdb/features/microblaze64.c - create mode 100644 gdb/features/microblaze64.xml - -diff --git a/bfd/Makefile.am b/bfd/Makefile.am -index b9a3f8207ac..2ddd7891661 100644 ---- a/bfd/Makefile.am -+++ b/bfd/Makefile.am -@@ -571,6 +571,7 @@ BFD64_BACKENDS = \ - elf64-riscv.lo \ - elfxx-riscv.lo \ - elf64-s390.lo \ -+ elf64-microblaze.lo \ - elf64-sparc.lo \ - elf64-tilegx.lo \ - elf64-x86-64.lo \ -@@ -608,6 +609,7 @@ BFD64_BACKENDS_CFILES = \ - elf64-nfp.c \ - elf64-ppc.c \ - elf64-s390.c \ -+ elf64-microblaze.c \ - elf64-sparc.c \ - elf64-tilegx.c \ - elf64-x86-64.c \ -diff --git a/bfd/Makefile.in b/bfd/Makefile.in -index 934dd4bc066..7efb10f111d 100644 ---- a/bfd/Makefile.in -+++ b/bfd/Makefile.in -@@ -1040,6 +1040,7 @@ BFD64_BACKENDS = \ - elf64-riscv.lo \ - elfxx-riscv.lo \ - elf64-s390.lo \ -+ elf64-microblaze.lo \ - elf64-sparc.lo \ - elf64-tilegx.lo \ - elf64-x86-64.lo \ -@@ -1077,6 +1078,7 @@ BFD64_BACKENDS_CFILES = \ - elf64-nfp.c \ - elf64-ppc.c \ - elf64-s390.c \ -+ elf64-microblaze.c \ - elf64-sparc.c \ - elf64-tilegx.c \ - elf64-x86-64.c \ -@@ -1664,6 +1666,7 @@ distclean-compile: - @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-ppc.Plo@am__quote@ - @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-riscv.Plo@am__quote@ - @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-s390.Plo@am__quote@ -+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-microblaze.Plo@am__quote@ - @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-sparc.Plo@am__quote@ - @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-tilegx.Plo@am__quote@ - @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-x86-64.Plo@am__quote@ -diff --git a/bfd/archures.c b/bfd/archures.c -index fac9fe82a08..1790c741c58 100644 ---- a/bfd/archures.c -+++ b/bfd/archures.c -@@ -524,6 +524,8 @@ DESCRIPTION - . bfd_arch_lm32, {* Lattice Mico32. *} - .#define bfd_mach_lm32 1 - . bfd_arch_microblaze,{* Xilinx MicroBlaze. *} -+.#define bfd_mach_microblaze 1 -+.#define bfd_mach_microblaze64 2 - . bfd_arch_tilepro, {* Tilera TILEPro. *} - . bfd_arch_tilegx, {* Tilera TILE-Gx. *} - .#define bfd_mach_tilepro 1 -diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h -index c0b563aec02..ccaeecb9476 100644 ---- a/bfd/bfd-in2.h -+++ b/bfd/bfd-in2.h -@@ -1903,6 +1903,8 @@ enum bfd_architecture - bfd_arch_lm32, /* Lattice Mico32. */ - #define bfd_mach_lm32 1 - bfd_arch_microblaze,/* Xilinx MicroBlaze. */ -+#define bfd_mach_microblaze 1 -+#define bfd_mach_microblaze64 2 - bfd_arch_tilepro, /* Tilera TILEPro. */ - bfd_arch_tilegx, /* Tilera TILE-Gx. */ - #define bfd_mach_tilepro 1 -@@ -5443,16 +5445,41 @@ value relative to the read-write small data area anchor */ - expressions of the form "Symbol Op Symbol" */ - BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM, - --/* This is a 64 bit reloc that stores the 32 bit pc relative -+/* This is a 32 bit reloc that stores the 32 bit pc relative - value in two words (with an imm instruction). No relocation is - done here - only used for relaxing */ -- BFD_RELOC_MICROBLAZE_64_NONE, -+ BFD_RELOC_MICROBLAZE_32_NONE, -+ -+/* This is a 64 bit reloc that stores the 32 bit pc relative -+ * +value in two words (with an imml instruction). No relocation is -+ * +done here - only used for relaxing */ -+ BFD_RELOC_MICROBLAZE_64_PCREL, -+ -+/* This is a 64 bit reloc that stores the 32 bit relative -+ * +value in two words (with an imml instruction). No relocation is -+ * +done here - only used for relaxing */ -+ BFD_RELOC_MICROBLAZE_64, -+ -+/* This is a 64 bit reloc that stores the 32 bit relative -+ * +value in two words (with an imml instruction). No relocation is -+ * +done here - only used for relaxing */ -+ BFD_RELOC_MICROBLAZE_EA64, -+ -+/* This is a 64 bit reloc that stores the 32 bit pc relative -+ * +value in two words (with an imm instruction). No relocation is -+ * +done here - only used for relaxing */ -+ BFD_RELOC_MICROBLAZE_64_NONE, - - /* This is a 64 bit reloc that stores the 32 bit pc relative - value in two words (with an imm instruction). The relocation is - PC-relative GOT offset */ - BFD_RELOC_MICROBLAZE_64_GOTPC, - -+/* This is a 64 bit reloc that stores the 32 bit pc relative -+value in two words (with an imml instruction). The relocation is -+PC-relative GOT offset */ -+ BFD_RELOC_MICROBLAZE_64_GPC, -+ - /* This is a 64 bit reloc that stores the 32 bit pc relative - value in two words (with an imm instruction). The relocation is - GOT offset */ -diff --git a/bfd/config.bfd b/bfd/config.bfd -index 872685cfb72..5e9ba3d9805 100644 ---- a/bfd/config.bfd -+++ b/bfd/config.bfd -@@ -860,11 +860,15 @@ case "${targ}" in - microblazeel*-*) - targ_defvec=microblaze_elf32_le_vec - targ_selvecs=microblaze_elf32_vec -+ targ64_selvecs=microblaze_elf64_vec -+ targ64_selvecs=microblaze_elf64_le_vec - ;; - - microblaze*-*) - targ_defvec=microblaze_elf32_vec - targ_selvecs=microblaze_elf32_le_vec -+ targ64_selvecs=microblaze_elf64_vec -+ targ64_selvecs=microblaze_elf64_le_vec - ;; - - #ifdef BFD64 -diff --git a/bfd/configure b/bfd/configure -index 0ef4c206fb0..b7547c6777c 100755 ---- a/bfd/configure -+++ b/bfd/configure -@@ -13547,6 +13547,8 @@ do - rx_elf32_linux_le_vec) tb="$tb elf32-rx.lo elf32.lo $elf" ;; - s390_elf32_vec) tb="$tb elf32-s390.lo elf32.lo $elf" ;; - s390_elf64_vec) tb="$tb elf64-s390.lo elf64.lo $elf"; target_size=64 ;; -+ microblaze_elf64_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;; -+ microblaze_elf64_le_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;; - score_elf32_be_vec) tb="$tb elf32-score.lo elf32-score7.lo elf32.lo elf64.lo $elf"; want64=true; target_size=64 ;; - score_elf32_le_vec) tb="$tb elf32-score.lo elf32-score7.lo elf32.lo elf64.lo $elf"; want64=true; target_size=64 ;; - sh_coff_vec) tb="$tb coff-sh.lo $coff" ;; -diff --git a/bfd/cpu-microblaze.c b/bfd/cpu-microblaze.c -index 0c1d2b1aa69..106f78229b5 100644 ---- a/bfd/cpu-microblaze.c -+++ b/bfd/cpu-microblaze.c -@@ -23,13 +23,30 @@ - #include "bfd.h" - #include "libbfd.h" - --const bfd_arch_info_type bfd_microblaze_arch = -+const bfd_arch_info_type bfd_microblaze_arch[] = -+{ -+#if BFD_DEFAULT_TARGET_SIZE == 64 -+{ -+ 64, /* 32 bits in a word. */ -+ 64, /* 32 bits in an address. */ -+ 8, /* 8 bits in a byte. */ -+ bfd_arch_microblaze, /* Architecture. */ -+ bfd_mach_microblaze64, /* 64 bit Machine */ -+ "microblaze", /* Architecture name. */ -+ "MicroBlaze", /* Printable name. */ -+ 3, /* Section align power. */ -+ false, /* Is this the default architecture ? */ -+ bfd_default_compatible, /* Architecture comparison function. */ -+ bfd_default_scan, /* String to architecture conversion. */ -+ bfd_arch_default_fill, /* Default fill. */ -+ &bfd_microblaze_arch[1] /* Next in list. */ -+}, - { - 32, /* Bits in a word. */ - 32, /* Bits in an address. */ - 8, /* Bits in a byte. */ - bfd_arch_microblaze, /* Architecture number. */ -- 0, /* Machine number - 0 for now. */ -+ bfd_mach_microblaze, /* Machine number - 0 for now. */ - "microblaze", /* Architecture name. */ - "MicroBlaze", /* Printable name. */ - 3, /* Section align power. */ -@@ -39,4 +56,38 @@ const bfd_arch_info_type bfd_microblaze_arch = - bfd_arch_default_fill, /* Default fill. */ - NULL, /* Next in list. */ - 0 /* Maximum offset of a reloc from the start of an insn. */ -+} -+#else -+{ -+ 32, /* 32 bits in a word. */ -+ 32, /* 32 bits in an address. */ -+ 8, /* 8 bits in a byte. */ -+ bfd_arch_microblaze, /* Architecture. */ -+ bfd_mach_microblaze, /* 32 bit Machine */ -+ "microblaze", /* Architecture name. */ -+ "MicroBlaze", /* Printable name. */ -+ 3, /* Section align power. */ -+ true, /* Is this the default architecture ? */ -+ bfd_default_compatible, /* Architecture comparison function. */ -+ bfd_default_scan, /* String to architecture conversion. */ -+ bfd_arch_default_fill, /* Default fill. */ -+ &bfd_microblaze_arch[1] /* Next in list. */ -+}, -+{ -+ 64, /* 32 bits in a word. */ -+ 64, /* 32 bits in an address. */ -+ 8, /* 8 bits in a byte. */ -+ bfd_arch_microblaze, /* Architecture. */ -+ bfd_mach_microblaze64, /* 64 bit Machine */ -+ "microblaze", /* Architecture name. */ -+ "MicroBlaze", /* Printable name. */ -+ 3, /* Section align power. */ -+ false, /* Is this the default architecture ? */ -+ bfd_default_compatible, /* Architecture comparison function. */ -+ bfd_default_scan, /* String to architecture conversion. */ -+ bfd_arch_default_fill, /* Default fill. */ -+ NULL, /* Next in list. */ -+ 0 -+} -+#endif - }; -diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c -index d3b3c66cf00..053c1b432f9 100644 ---- a/bfd/elf32-microblaze.c -+++ b/bfd/elf32-microblaze.c -@@ -114,6 +114,20 @@ static reloc_howto_type microblaze_elf_howto_raw[] = - 0x0000ffff, /* Dest Mask. */ - true), /* PC relative offset? */ - -+ HOWTO (R_MICROBLAZE_IMML_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_IMML_64", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ - /* A 64 bit relocation. Table entry not really used. */ - HOWTO (R_MICROBLAZE_64, /* Type. */ - 0, /* Rightshift. */ -@@ -174,7 +188,21 @@ static reloc_howto_type microblaze_elf_howto_raw[] = - 0x0000ffff, /* Dest Mask. */ - false), /* PC relative offset? */ - -- /* This reloc does nothing. Used for relaxation. */ -+ HOWTO (R_MICROBLAZE_32_NONE, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 32, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_bitfield, /* Complain on overflow. */ -+ NULL, /* Special Function. */ -+ "R_MICROBLAZE_32_NONE",/* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* This reloc does nothing. Used for relaxation. */ - HOWTO (R_MICROBLAZE_64_NONE, /* Type. */ - 0, /* Rightshift. */ - 3, /* Size (0 = byte, 1 = short, 2 = long). */ -@@ -264,6 +292,21 @@ static reloc_howto_type microblaze_elf_howto_raw[] = - 0x0000ffff, /* Dest Mask. */ - true), /* PC relative offset? */ - -+ /* A 64 bit GOTPC relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_GPC_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc, /* Special Function. */ -+ "R_MICROBLAZE_GPC_64", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ - /* A 64 bit GOT relocation. Table-entry not really used. */ - HOWTO (R_MICROBLAZE_GOT_64, /* Type. */ - 0, /* Rightshift. */ -@@ -560,6 +603,9 @@ microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, - case BFD_RELOC_NONE: - microblaze_reloc = R_MICROBLAZE_NONE; - break; -+ case BFD_RELOC_MICROBLAZE_32_NONE: -+ microblaze_reloc = R_MICROBLAZE_32_NONE; -+ break; - case BFD_RELOC_MICROBLAZE_64_NONE: - microblaze_reloc = R_MICROBLAZE_64_NONE; - break; -@@ -600,9 +646,15 @@ microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, - case BFD_RELOC_VTABLE_ENTRY: - microblaze_reloc = R_MICROBLAZE_GNU_VTENTRY; - break; -+ case BFD_RELOC_MICROBLAZE_64: -+ microblaze_reloc = R_MICROBLAZE_IMML_64; -+ break; - case BFD_RELOC_MICROBLAZE_64_GOTPC: - microblaze_reloc = R_MICROBLAZE_GOTPC_64; - break; -+ case BFD_RELOC_MICROBLAZE_64_GPC: -+ microblaze_reloc = R_MICROBLAZE_GPC_64; -+ break; - case BFD_RELOC_MICROBLAZE_64_GOT: - microblaze_reloc = R_MICROBLAZE_GOT_64; - break; -@@ -1507,9 +1559,9 @@ microblaze_elf_relocate_section (bfd *output_bfd, - relocation += addend; - relocation -= dtprel_base(info); - bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, -- contents + offset + 2); -+ contents + offset + endian); - bfd_put_16 (input_bfd, relocation & 0xffff, -- contents + offset + 2 + INST_WORD_SIZE); -+ contents + offset + endian + INST_WORD_SIZE); - break; - case (int) R_MICROBLAZE_TEXTREL_64: - case (int) R_MICROBLAZE_TEXTREL_32_LO: -@@ -1523,7 +1575,7 @@ microblaze_elf_relocate_section (bfd *output_bfd, - if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0) - { - relocation += addend; -- if (r_type == R_MICROBLAZE_32) -+ if (r_type == R_MICROBLAZE_32)// || r_type == R_MICROBLAZE_IMML_64) - bfd_put_32 (input_bfd, relocation, contents + offset); - else - { -@@ -1925,8 +1977,7 @@ microblaze_elf_relax_section (bfd *abfd, - else - symval += irel->r_addend; - -- if ((symval & 0xffff8000) == 0 -- || (symval & 0xffff8000) == 0xffff8000) -+ if ((symval & 0xffff8000) == 0) - { - /* We can delete this instruction. */ - sec->relax[sec->relax_count].addr = irel->r_offset; -@@ -1990,21 +2041,51 @@ microblaze_elf_relax_section (bfd *abfd, - irel->r_addend -= calc_fixup (irel->r_addend, 0, sec); - } - break; -+ case R_MICROBLAZE_IMML_64: -+ { -+ /* This was a PC-relative instruction that was -+ completely resolved. */ -+ int sfix, efix; -+ unsigned int val; -+ bfd_vma target_address; -+ target_address = irel->r_addend + irel->r_offset; -+ sfix = calc_fixup (irel->r_offset, 0, sec); -+ efix = calc_fixup (target_address, 0, sec); -+ -+ /* Validate the in-band val. */ -+ val = bfd_get_32 (abfd, contents + irel->r_offset); -+ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { -+ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); -+ } -+ irel->r_addend -= (efix - sfix); -+ /* Should use HOWTO. */ -+ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, -+ irel->r_addend); -+ } -+ break; - case R_MICROBLAZE_NONE: -+ case R_MICROBLAZE_32_NONE: - { - /* This was a PC-relative instruction that was - completely resolved. */ - int sfix, efix; -+ unsigned int val; - bfd_vma target_address; - target_address = irel->r_addend + irel->r_offset; - sfix = calc_fixup (irel->r_offset, 0, sec); - efix = calc_fixup (target_address, 0, sec); -+ -+ /* Validate the in-band val. */ -+ val = bfd_get_32 (abfd, contents + irel->r_offset); -+ if (val != irel->r_addend && ELF32_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { -+ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); -+ } - irel->r_addend -= (efix - sfix); - /* Should use HOWTO. */ - microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset, - irel->r_addend); -- } -- break; -+ } -+ break; - case R_MICROBLAZE_64_NONE: - { - /* This was a PC-relative 64-bit instruction that was -@@ -2015,8 +2096,8 @@ microblaze_elf_relax_section (bfd *abfd, - sfix = calc_fixup (irel->r_offset + INST_WORD_SIZE, 0, sec); - efix = calc_fixup (target_address, 0, sec); - irel->r_addend -= (efix - sfix); -- microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset -- + INST_WORD_SIZE, irel->r_addend); -+ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, -+ irel->r_addend); - } - break; - } -@@ -2046,9 +2127,50 @@ microblaze_elf_relax_section (bfd *abfd, - irelscanend = irelocs + o->reloc_count; - for (irelscan = irelocs; irelscan < irelscanend; irelscan++) - { -- if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32) -- { -- isym = isymbuf + ELF32_R_SYM (irelscan->r_info); -+ if (1 && ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_NONE) -+ { -+ unsigned int val; -+ -+ isym = isymbuf + ELF32_R_SYM (irelscan->r_info); -+ -+ /* hax: We only do the following fixup for debug location lists. */ -+ if (strcmp(".debug_loc", o->name)) -+ continue; -+ -+ /* This was a PC-relative instruction that was completely resolved. */ -+ if (ocontents == NULL) -+ { -+ if (elf_section_data (o)->this_hdr.contents != NULL) -+ ocontents = elf_section_data (o)->this_hdr.contents; -+ else -+ { -+ /* We always cache the section contents. -+ Perhaps, if info->keep_memory is FALSE, we -+ should free them, if we are permitted to. */ -+ -+ if (o->rawsize == 0) -+ o->rawsize = o->size; -+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); -+ if (ocontents == NULL) -+ goto error_return; -+ if (!bfd_get_section_contents (abfd, o, ocontents, -+ (file_ptr) 0, -+ o->rawsize)) -+ goto error_return; -+ elf_section_data (o)->this_hdr.contents = ocontents; -+ } -+ } -+ val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); -+ if (val != irelscan->r_addend) { -+ fprintf(stderr, "%d: CORRUPT relax reloc! %x %lx\n", __LINE__, val, irelscan->r_addend); -+ } -+ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); -+ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, -+ irelscan->r_addend); -+ } -+ if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32)// || ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_IMML_64) -+ { -+ isym = isymbuf + ELF32_R_SYM (irelscan->r_info); - - /* Look at the reloc only if the value has been resolved. */ - if (isym->st_shndx == shndx -@@ -2105,7 +2227,7 @@ microblaze_elf_relax_section (bfd *abfd, - elf_section_data (o)->this_hdr.contents = ocontents; - } - } -- irelscan->r_addend -= calc_fixup (irel->r_addend -+ irelscan->r_addend -= calc_fixup (irelscan->r_addend - + isym->st_value, - 0, - sec); -@@ -3445,6 +3567,14 @@ microblaze_elf_finish_dynamic_sections (bfd *output_bfd, - return true; - } - -+ -+static bool -+elf_microblaze_object_p (bfd *abfd) -+{ -+ /* Set the right machine number for an s390 elf32 file. */ -+ return bfd_default_set_arch_mach (abfd, bfd_arch_microblaze, bfd_mach_microblaze); -+} -+ - /* Hook called by the linker routine which adds symbols from an object - file. We use it to put .comm items in .sbss, and not .bss. */ - -@@ -3514,8 +3644,6 @@ microblaze_elf_add_symbol_hook (bfd *abfd, - #define elf_backend_finish_dynamic_symbol microblaze_elf_finish_dynamic_symbol - #define elf_backend_size_dynamic_sections microblaze_elf_size_dynamic_sections - #define elf_backend_add_symbol_hook microblaze_elf_add_symbol_hook -- --#define elf_backend_grok_prstatus microblaze_elf_grok_prstatus --#define elf_backend_grok_psinfo microblaze_elf_grok_psinfo -+#define elf_backend_object_p elf_microblaze_object_p - - #include "elf32-target.h" -diff --git a/bfd/elf64-microblaze.c b/bfd/elf64-microblaze.c -new file mode 100755 -index 00000000000..6cd9753a592 ---- /dev/null -+++ b/bfd/elf64-microblaze.c -@@ -0,0 +1,3810 @@ -+/* Xilinx MicroBlaze-specific support for 32-bit ELF -+ -+ Copyright (C) 2009-2021 Free Software Foundation, Inc. -+ -+ This file is part of BFD, the Binary File Descriptor library. -+ -+ This program is free software; you can redistribute it and/or modify -+ it under the terms of the GNU General Public License as published by -+ the Free Software Foundation; either version 3 of the License, or -+ (at your option) any later version. -+ -+ This program is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ GNU General Public License for more details. -+ -+ You should have received a copy of the GNU General Public License -+ along with this program; if not, write to the -+ Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, -+ Boston, MA 02110-1301, USA. */ -+ -+ -+#include "sysdep.h" -+#include "bfd.h" -+#include "bfdlink.h" -+#include "libbfd.h" -+#include "elf-bfd.h" -+#include "elf/microblaze.h" -+#include -+ -+#define USE_RELA /* Only USE_REL is actually significant, but this is -+ here are a reminder... */ -+#define INST_WORD_SIZE 4 -+ -+static int ro_small_data_pointer = 0; -+static int rw_small_data_pointer = 0; -+ -+static reloc_howto_type * microblaze_elf_howto_table [(int) R_MICROBLAZE_max]; -+ -+static reloc_howto_type microblaze_elf_howto_raw[] = -+{ -+ /* This reloc does nothing. */ -+ HOWTO (R_MICROBLAZE_NONE, /* Type. */ -+ 0, /* Rightshift. */ -+ 0, /* Size. */ -+ 0, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ NULL, /* Special Function. */ -+ "R_MICROBLAZE_NONE", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* A standard 32 bit relocation. */ -+ HOWTO (R_MICROBLAZE_32, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 32, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_bitfield, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_32", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0xffffffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* A standard PCREL 32 bit relocation. */ -+ HOWTO (R_MICROBLAZE_32_PCREL,/* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 32, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_bitfield, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_32_PCREL", /* Name. */ -+ true, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0xffffffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* A 64 bit PCREL relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_64_PCREL,/* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_64_PCREL", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* The low half of a PCREL 32 bit relocation. */ -+ HOWTO (R_MICROBLAZE_32_PCREL_LO, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_signed, /* Complain on overflow. */ -+ bfd_elf_generic_reloc, /* Special Function. */ -+ "R_MICROBLAZE_32_PCREL_LO", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ HOWTO (R_MICROBLAZE_IMML_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 64, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_IMML_64", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0xffffffffffffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* A 64 bit relocation. Table entry not really used. */ -+ HOWTO (R_MICROBLAZE_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_64", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* The low half of a 32 bit relocation. */ -+ HOWTO (R_MICROBLAZE_32_LO, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_signed, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_32_LO", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* Read-only small data section relocation. */ -+ HOWTO (R_MICROBLAZE_SRO32, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_bitfield, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_SRO32", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* Read-write small data area relocation. */ -+ HOWTO (R_MICROBLAZE_SRW32, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_bitfield, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_SRW32", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* This reloc does nothing. Used for relaxation. */ -+ HOWTO (R_MICROBLAZE_32_NONE, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 32, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_bitfield, /* Complain on overflow. */ -+ NULL, /* Special Function. */ -+ "R_MICROBLAZE_32_NONE",/* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* This reloc does nothing. Used for relaxation. */ -+ HOWTO (R_MICROBLAZE_64_NONE, /* Type. */ -+ 0, /* Rightshift. */ -+ 0, /* Size. */ -+ 0, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ NULL, /* Special Function. */ -+ "R_MICROBLAZE_64_NONE",/* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* Symbol Op Symbol relocation. */ -+ HOWTO (R_MICROBLAZE_32_SYM_OP_SYM, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 32, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_bitfield, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_32_SYM_OP_SYM", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0xffffffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* GNU extension to record C++ vtable hierarchy. */ -+ HOWTO (R_MICROBLAZE_GNU_VTINHERIT, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 0, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont,/* Complain on overflow. */ -+ NULL, /* Special Function. */ -+ "R_MICROBLAZE_GNU_VTINHERIT", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* GNU extension to record C++ vtable member usage. */ -+ HOWTO (R_MICROBLAZE_GNU_VTENTRY, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 0, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont,/* Complain on overflow. */ -+ _bfd_elf_rel_vtable_reloc_fn, /* Special Function. */ -+ "R_MICROBLAZE_GNU_VTENTRY", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* A 64 bit GOTPC relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_GOTPC_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc, /* Special Function. */ -+ "R_MICROBLAZE_GOTPC_64", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* A 64 bit TEXTPCREL relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_TEXTPCREL_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc, /* Special Function. */ -+ "R_MICROBLAZE_TEXTPCREL_64", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* A 64 bit GOTPC relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_GPC_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc, /* Special Function. */ -+ "R_MICROBLAZE_GPC_64", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* A 64 bit GOT relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_GOT_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_GOT_64",/* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* A 64 bit TEXTREL relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_TEXTREL_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 2, /* Size (0 = byte, 1 = short, 2 = long). */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_TEXTREL_64",/* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* A 64 bit PLT relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_PLT_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_PLT_64",/* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_REL, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_REL", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_JUMP_SLOT,/* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_JUMP_SLOT", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_GLOB_DAT,/* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ true, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_GLOB_DAT", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ true), /* PC relative offset? */ -+ -+ /* A 64 bit GOT relative relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_GOTOFF_64, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_GOTOFF_64", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* A 32 bit GOT relative relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_GOTOFF_32, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc, /* Special Function. */ -+ "R_MICROBLAZE_GOTOFF_32", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* COPY relocation. Table-entry not really used. */ -+ HOWTO (R_MICROBLAZE_COPY, /* Type. */ -+ 0, /* Rightshift. */ -+ 4, /* Size. */ -+ 16, /* Bitsize. */ -+ false, /* PC_relative. */ -+ 0, /* Bitpos. */ -+ complain_overflow_dont, /* Complain on overflow. */ -+ bfd_elf_generic_reloc,/* Special Function. */ -+ "R_MICROBLAZE_COPY", /* Name. */ -+ false, /* Partial Inplace. */ -+ 0, /* Source Mask. */ -+ 0x0000ffff, /* Dest Mask. */ -+ false), /* PC relative offset? */ -+ -+ /* Marker relocs for TLS. */ -+ HOWTO (R_MICROBLAZE_TLS, -+ 0, /* rightshift */ -+ 2, /* size (0 = byte, 1 = short, 2 = long) */ -+ 32, /* bitsize */ -+ false, /* pc_relative */ -+ 0, /* bitpos */ -+ complain_overflow_dont, /* complain_on_overflow */ -+ bfd_elf_generic_reloc, /* special_function */ -+ "R_MICROBLAZE_TLS", /* name */ -+ false, /* partial_inplace */ -+ 0, /* src_mask */ -+ 0x0000ffff, /* dst_mask */ -+ false), /* pcrel_offset */ -+ -+ HOWTO (R_MICROBLAZE_TLSGD, -+ 0, /* rightshift */ -+ 4, /* size */ -+ 32, /* bitsize */ -+ false, /* pc_relative */ -+ 0, /* bitpos */ -+ complain_overflow_dont, /* complain_on_overflow */ -+ bfd_elf_generic_reloc, /* special_function */ -+ "R_MICROBLAZE_TLSGD", /* name */ -+ false, /* partial_inplace */ -+ 0, /* src_mask */ -+ 0x0000ffff, /* dst_mask */ -+ false), /* pcrel_offset */ -+ -+ HOWTO (R_MICROBLAZE_TLSLD, -+ 0, /* rightshift */ -+ 2, /* size (0 = byte, 1 = short, 2 = long) */ -+ 32, /* bitsize */ -+ false, /* pc_relative */ -+ 0, /* bitpos */ -+ complain_overflow_dont, /* complain_on_overflow */ -+ bfd_elf_generic_reloc, /* special_function */ -+ "R_MICROBLAZE_TLSLD", /* name */ -+ false, /* partial_inplace */ -+ 0, /* src_mask */ -+ 0x0000ffff, /* dst_mask */ -+ false), /* pcrel_offset */ -+ -+ /* Computes the load module index of the load module that contains the -+ definition of its TLS sym. */ -+ HOWTO (R_MICROBLAZE_TLSDTPMOD32, -+ 0, /* rightshift */ -+ 2, /* size (0 = byte, 1 = short, 2 = long) */ -+ 32, /* bitsize */ -+ false, /* pc_relative */ -+ 0, /* bitpos */ -+ complain_overflow_dont, /* complain_on_overflow */ -+ bfd_elf_generic_reloc, /* special_function */ -+ "R_MICROBLAZE_TLSDTPMOD32", /* name */ -+ false, /* partial_inplace */ -+ 0, /* src_mask */ -+ 0x0000ffff, /* dst_mask */ -+ false), /* pcrel_offset */ -+ -+ /* Computes a dtv-relative displacement, the difference between the value -+ of sym+add and the base address of the thread-local storage block that -+ contains the definition of sym, minus 0x8000. Used for initializing GOT */ -+ HOWTO (R_MICROBLAZE_TLSDTPREL32, -+ 0, /* rightshift */ -+ 4, /* size */ -+ 32, /* bitsize */ -+ false, /* pc_relative */ -+ 0, /* bitpos */ -+ complain_overflow_dont, /* complain_on_overflow */ -+ bfd_elf_generic_reloc, /* special_function */ -+ "R_MICROBLAZE_TLSDTPREL32", /* name */ -+ false, /* partial_inplace */ -+ 0, /* src_mask */ -+ 0x0000ffff, /* dst_mask */ -+ false), /* pcrel_offset */ -+ -+ /* Computes a dtv-relative displacement, the difference between the value -+ of sym+add and the base address of the thread-local storage block that -+ contains the definition of sym, minus 0x8000. */ -+ HOWTO (R_MICROBLAZE_TLSDTPREL64, -+ 0, /* rightshift */ -+ 4, /* size */ -+ 32, /* bitsize */ -+ false, /* pc_relative */ -+ 0, /* bitpos */ -+ complain_overflow_dont, /* complain_on_overflow */ -+ bfd_elf_generic_reloc, /* special_function */ -+ "R_MICROBLAZE_TLSDTPREL64", /* name */ -+ false, /* partial_inplace */ -+ 0, /* src_mask */ -+ 0x0000ffff, /* dst_mask */ -+ false), /* pcrel_offset */ -+ -+ /* Computes a tp-relative displacement, the difference between the value of -+ sym+add and the value of the thread pointer (r13). */ -+ HOWTO (R_MICROBLAZE_TLSGOTTPREL32, -+ 0, /* rightshift */ -+ 4, /* size */ -+ 32, /* bitsize */ -+ false, /* pc_relative */ -+ 0, /* bitpos */ -+ complain_overflow_dont, /* complain_on_overflow */ -+ bfd_elf_generic_reloc, /* special_function */ -+ "R_MICROBLAZE_TLSGOTTPREL32", /* name */ -+ false, /* partial_inplace */ -+ 0, /* src_mask */ -+ 0x0000ffff, /* dst_mask */ -+ false), /* pcrel_offset */ -+ -+ /* Computes a tp-relative displacement, the difference between the value of -+ sym+add and the value of the thread pointer (r13). */ -+ HOWTO (R_MICROBLAZE_TLSTPREL32, -+ 0, /* rightshift */ -+ 4, /* size */ -+ 32, /* bitsize */ -+ false, /* pc_relative */ -+ 0, /* bitpos */ -+ complain_overflow_dont, /* complain_on_overflow */ -+ bfd_elf_generic_reloc, /* special_function */ -+ "R_MICROBLAZE_TLSTPREL32", /* name */ -+ false, /* partial_inplace */ -+ 0, /* src_mask */ -+ 0x0000ffff, /* dst_mask */ -+ false), /* pcrel_offset */ -+ -+}; -+ -+#ifndef NUM_ELEM -+#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0]) -+#endif -+ -+/* Initialize the microblaze_elf_howto_table, so that linear accesses can be done. */ -+ -+static void -+microblaze_elf_howto_init (void) -+{ -+ unsigned int i; -+ -+ for (i = NUM_ELEM (microblaze_elf_howto_raw); i--;) -+ { -+ unsigned int type; -+ -+ type = microblaze_elf_howto_raw[i].type; -+ -+ BFD_ASSERT (type < NUM_ELEM (microblaze_elf_howto_table)); -+ -+ microblaze_elf_howto_table [type] = & microblaze_elf_howto_raw [i]; -+ } -+} -+ -+static reloc_howto_type * -+microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, -+ bfd_reloc_code_real_type code) -+{ -+ enum elf_microblaze_reloc_type microblaze_reloc = R_MICROBLAZE_NONE; -+ -+ switch (code) -+ { -+ case BFD_RELOC_NONE: -+ microblaze_reloc = R_MICROBLAZE_NONE; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_NONE: -+ microblaze_reloc = R_MICROBLAZE_32_NONE; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_NONE: -+ microblaze_reloc = R_MICROBLAZE_64_NONE; -+ break; -+ case BFD_RELOC_32: -+ microblaze_reloc = R_MICROBLAZE_32; -+ break; -+ /* RVA is treated the same as 64 */ -+ case BFD_RELOC_RVA: -+ microblaze_reloc = R_MICROBLAZE_IMML_64; -+ break; -+ case BFD_RELOC_32_PCREL: -+ microblaze_reloc = R_MICROBLAZE_32_PCREL; -+ break; -+ case BFD_RELOC_64_PCREL: -+ microblaze_reloc = R_MICROBLAZE_64_PCREL; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_LO_PCREL: -+ microblaze_reloc = R_MICROBLAZE_32_PCREL_LO; -+ break; -+ case BFD_RELOC_64: -+ microblaze_reloc = R_MICROBLAZE_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_LO: -+ microblaze_reloc = R_MICROBLAZE_32_LO; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_ROSDA: -+ microblaze_reloc = R_MICROBLAZE_SRO32; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_RWSDA: -+ microblaze_reloc = R_MICROBLAZE_SRW32; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM: -+ microblaze_reloc = R_MICROBLAZE_32_SYM_OP_SYM; -+ break; -+ case BFD_RELOC_VTABLE_INHERIT: -+ microblaze_reloc = R_MICROBLAZE_GNU_VTINHERIT; -+ break; -+ case BFD_RELOC_VTABLE_ENTRY: -+ microblaze_reloc = R_MICROBLAZE_GNU_VTENTRY; -+ break; -+ case BFD_RELOC_MICROBLAZE_EA64: -+ microblaze_reloc = R_MICROBLAZE_IMML_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_GOTPC: -+ microblaze_reloc = R_MICROBLAZE_GOTPC_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_GPC: -+ microblaze_reloc = R_MICROBLAZE_GPC_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_GOT: -+ microblaze_reloc = R_MICROBLAZE_GOT_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_TEXTPCREL: -+ microblaze_reloc = R_MICROBLAZE_TEXTPCREL_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_TEXTREL: -+ microblaze_reloc = R_MICROBLAZE_TEXTREL_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_PLT: -+ microblaze_reloc = R_MICROBLAZE_PLT_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_GOTOFF: -+ microblaze_reloc = R_MICROBLAZE_GOTOFF_64; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_GOTOFF: -+ microblaze_reloc = R_MICROBLAZE_GOTOFF_32; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_TLSGD: -+ microblaze_reloc = R_MICROBLAZE_TLSGD; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_TLSLD: -+ microblaze_reloc = R_MICROBLAZE_TLSLD; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_TLSDTPREL: -+ microblaze_reloc = R_MICROBLAZE_TLSDTPREL32; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_TLSDTPREL: -+ microblaze_reloc = R_MICROBLAZE_TLSDTPREL64; -+ break; -+ case BFD_RELOC_MICROBLAZE_32_TLSDTPMOD: -+ microblaze_reloc = R_MICROBLAZE_TLSDTPMOD32; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_TLSGOTTPREL: -+ microblaze_reloc = R_MICROBLAZE_TLSGOTTPREL32; -+ break; -+ case BFD_RELOC_MICROBLAZE_64_TLSTPREL: -+ microblaze_reloc = R_MICROBLAZE_TLSTPREL32; -+ break; -+ case BFD_RELOC_MICROBLAZE_COPY: -+ microblaze_reloc = R_MICROBLAZE_COPY; -+ break; -+ default: -+ return (reloc_howto_type *) NULL; -+ } -+ -+ if (!microblaze_elf_howto_table [R_MICROBLAZE_32]) -+ /* Initialize howto table if needed. */ -+ microblaze_elf_howto_init (); -+ -+ return microblaze_elf_howto_table [(int) microblaze_reloc]; -+}; -+ -+static reloc_howto_type * -+microblaze_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, -+ const char *r_name) -+{ -+ unsigned int i; -+ -+ for (i = 0; i < NUM_ELEM (microblaze_elf_howto_raw); i++) -+ if (microblaze_elf_howto_raw[i].name != NULL -+ && strcasecmp (microblaze_elf_howto_raw[i].name, r_name) == 0) -+ return µblaze_elf_howto_raw[i]; -+ -+ return NULL; -+} -+ -+/* Set the howto pointer for a RCE ELF reloc. */ -+ -+static bool -+microblaze_elf_info_to_howto (bfd * abfd, -+ arelent * cache_ptr, -+ Elf_Internal_Rela * dst) -+{ -+ unsigned int r_type; -+ -+ if (!microblaze_elf_howto_table [R_MICROBLAZE_32]) -+ /* Initialize howto table if needed. */ -+ microblaze_elf_howto_init (); -+ -+ r_type = ELF64_R_TYPE (dst->r_info); -+ if (r_type >= R_MICROBLAZE_max) -+ { -+ /* xgettext:c-format */ -+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"), -+ abfd, r_type); -+ bfd_set_error (bfd_error_bad_value); -+ return false; -+ } -+ -+ cache_ptr->howto = microblaze_elf_howto_table [r_type]; -+ return true; -+} -+ -+struct _microblaze_elf_section_data -+{ -+ struct bfd_elf_section_data elf; -+ /* Count of used relaxation table entries. */ -+ size_t relax_count; -+ /* Relaxation table. */ -+ struct relax_table *relax; -+}; -+ -+#define microblaze_elf_section_data(sec) \ -+ ((struct _microblaze_elf_section_data *) elf_section_data (sec)) -+ -+static bool -+microblaze_elf_new_section_hook (bfd *abfd, asection *sec) -+{ -+ if (!sec->used_by_bfd) -+ { -+ struct _microblaze_elf_section_data *sdata; -+ size_t amt = sizeof (*sdata); -+ -+ sdata = bfd_zalloc (abfd, amt); -+ if (sdata == NULL) -+ return false; -+ sec->used_by_bfd = sdata; -+ } -+ -+ return _bfd_elf_new_section_hook (abfd, sec); -+} -+ -+/* Microblaze ELF local labels start with 'L.' or '$L', not '.L'. */ -+ -+static bool -+microblaze_elf_is_local_label_name (bfd *abfd, const char *name) -+{ -+ if (name[0] == 'L' && name[1] == '.') -+ return true; -+ -+ if (name[0] == '$' && name[1] == 'L') -+ return true; -+ -+ /* With gcc, the labels go back to starting with '.', so we accept -+ the generic ELF local label syntax as well. */ -+ return _bfd_elf_is_local_label_name (abfd, name); -+} -+ -+/* The microblaze linker (like many others) needs to keep track of -+ the number of relocs that it decides to copy as dynamic relocs in -+ check_relocs for each symbol. This is so that it can later discard -+ them if they are found to be unnecessary. We store the information -+ in a field extending the regular ELF linker hash table. */ -+ -+struct elf64_mb_dyn_relocs -+{ -+ struct elf64_mb_dyn_relocs *next; -+ -+ /* The input section of the reloc. */ -+ asection *sec; -+ -+ /* Total number of relocs copied for the input section. */ -+ bfd_size_type count; -+ -+ /* Number of pc-relative relocs copied for the input section. */ -+ bfd_size_type pc_count; -+}; -+ -+/* ELF linker hash entry. */ -+ -+struct elf64_mb_link_hash_entry -+{ -+ struct elf_link_hash_entry elf; -+ -+ /* Track dynamic relocs copied for this symbol. */ -+ struct elf64_mb_dyn_relocs *dyn_relocs; -+ -+ /* TLS Reference Types for the symbol; Updated by check_relocs */ -+#define TLS_GD 1 /* GD reloc. */ -+#define TLS_LD 2 /* LD reloc. */ -+#define TLS_TPREL 4 /* TPREL reloc, => IE. */ -+#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */ -+#define TLS_TLS 16 /* Any TLS reloc. */ -+ unsigned char tls_mask; -+ -+}; -+ -+#define IS_TLS_GD(x) (x == (TLS_TLS | TLS_GD)) -+#define IS_TLS_LD(x) (x == (TLS_TLS | TLS_LD)) -+#define IS_TLS_DTPREL(x) (x == (TLS_TLS | TLS_DTPREL)) -+#define IS_TLS_NONE(x) (x == 0) -+ -+#define elf64_mb_hash_entry(ent) ((struct elf64_mb_link_hash_entry *)(ent)) -+ -+/* ELF linker hash table. */ -+ -+struct elf64_mb_link_hash_table -+{ -+ struct elf_link_hash_table elf; -+ -+ /* Short-cuts to get to dynamic linker sections. */ -+ asection *sgot; -+ asection *sgotplt; -+ asection *srelgot; -+ asection *splt; -+ asection *srelplt; -+ asection *sdynbss; -+ asection *srelbss; -+ -+ /* Small local sym to section mapping cache. */ -+ struct sym_cache sym_sec; -+ -+ /* TLS Local Dynamic GOT Entry */ -+ union { -+ bfd_signed_vma refcount; -+ bfd_vma offset; -+ } tlsld_got; -+}; -+ -+/* Nonzero if this section has TLS related relocations. */ -+#define has_tls_reloc sec_flg0 -+ -+/* Get the ELF linker hash table from a link_info structure. */ -+ -+#define elf64_mb_hash_table(p) \ -+ ((is_elf_hash_table ((p)->hash) \ -+ && elf_hash_table_id (elf_hash_table (p)) == MICROBLAZE_ELF_DATA) \ -+ ? (struct elf64_mb_link_hash_table *) (p)->hash : NULL) -+ -+/* Create an entry in a microblaze ELF linker hash table. */ -+ -+static struct bfd_hash_entry * -+link_hash_newfunc (struct bfd_hash_entry *entry, -+ struct bfd_hash_table *table, -+ const char *string) -+{ -+ /* Allocate the structure if it has not already been allocated by a -+ subclass. */ -+ if (entry == NULL) -+ { -+ entry = bfd_hash_allocate (table, -+ sizeof (struct elf64_mb_link_hash_entry)); -+ if (entry == NULL) -+ return entry; -+ } -+ -+ /* Call the allocation method of the superclass. */ -+ entry = _bfd_elf_link_hash_newfunc (entry, table, string); -+ if (entry != NULL) -+ { -+ struct elf64_mb_link_hash_entry *eh; -+ -+ eh = (struct elf64_mb_link_hash_entry *) entry; -+ eh->tls_mask = 0; -+ } -+ -+ return entry; -+} -+ -+/* Create a mb ELF linker hash table. */ -+ -+static struct bfd_link_hash_table * -+microblaze_elf_link_hash_table_create (bfd *abfd) -+{ -+ struct elf64_mb_link_hash_table *ret; -+ size_t amt = sizeof (struct elf64_mb_link_hash_table); -+ -+ ret = (struct elf64_mb_link_hash_table *) bfd_zmalloc (amt); -+ if (ret == NULL) -+ return NULL; -+ -+ if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, -+ sizeof (struct elf64_mb_link_hash_entry), -+ MICROBLAZE_ELF_DATA)) -+ { -+ free (ret); -+ return NULL; -+ } -+ -+ return &ret->elf.root; -+} -+ -+/* Set the values of the small data pointers. */ -+ -+static void -+microblaze_elf_final_sdp (struct bfd_link_info *info) -+{ -+ struct bfd_link_hash_entry *h; -+ -+ h = bfd_link_hash_lookup (info->hash, RO_SDA_ANCHOR_NAME, false, false, true); -+ if (h != (struct bfd_link_hash_entry *) NULL -+ && h->type == bfd_link_hash_defined) -+ ro_small_data_pointer = (h->u.def.value -+ + h->u.def.section->output_section->vma -+ + h->u.def.section->output_offset); -+ -+ h = bfd_link_hash_lookup (info->hash, RW_SDA_ANCHOR_NAME, false, false, true); -+ if (h != (struct bfd_link_hash_entry *) NULL -+ && h->type == bfd_link_hash_defined) -+ rw_small_data_pointer = (h->u.def.value -+ + h->u.def.section->output_section->vma -+ + h->u.def.section->output_offset); -+} -+ -+static bfd_vma -+dtprel_base (struct bfd_link_info *info) -+{ -+ /* If tls_sec is NULL, we should have signalled an error already. */ -+ if (elf_hash_table (info)->tls_sec == NULL) -+ return 0; -+ return elf_hash_table (info)->tls_sec->vma; -+} -+ -+/* The size of the thread control block. */ -+#define TCB_SIZE 8 -+ -+/* Output a simple dynamic relocation into SRELOC. */ -+ -+static void -+microblaze_elf_output_dynamic_relocation (bfd *output_bfd, -+ asection *sreloc, -+ unsigned long reloc_index, -+ unsigned long indx, -+ int r_type, -+ bfd_vma offset, -+ bfd_vma addend) -+{ -+ -+ Elf_Internal_Rela rel; -+ -+ rel.r_info = ELF64_R_INFO (indx, r_type); -+ rel.r_offset = offset; -+ rel.r_addend = addend; -+ -+ bfd_elf64_swap_reloca_out (output_bfd, &rel, -+ (sreloc->contents + reloc_index * sizeof (Elf64_External_Rela))); -+} -+ -+/* This code is taken from elf64-m32r.c -+ There is some attempt to make this function usable for many architectures, -+ both USE_REL and USE_RELA ['twould be nice if such a critter existed], -+ if only to serve as a learning tool. -+ -+ The RELOCATE_SECTION function is called by the new ELF backend linker -+ to handle the relocations for a section. -+ -+ The relocs are always passed as Rela structures; if the section -+ actually uses Rel structures, the r_addend field will always be -+ zero. -+ -+ This function is responsible for adjust the section contents as -+ necessary, and (if using Rela relocs and generating a -+ relocatable output file) adjusting the reloc addend as -+ necessary. -+ -+ This function does not have to worry about setting the reloc -+ address or the reloc symbol index. -+ -+ LOCAL_SYMS is a pointer to the swapped in local symbols. -+ -+ LOCAL_SECTIONS is an array giving the section in the input file -+ corresponding to the st_shndx field of each local symbol. -+ -+ The global hash table entry for the global symbols can be found -+ via elf_sym_hashes (input_bfd). -+ -+ When generating relocatable output, this function must handle -+ STB_LOCAL/STT_SECTION symbols specially. The output symbol is -+ going to be the section symbol corresponding to the output -+ section, which means that the addend must be adjusted -+ accordingly. */ -+ -+static int -+microblaze_elf_relocate_section (bfd *output_bfd, -+ struct bfd_link_info *info, -+ bfd *input_bfd, -+ asection *input_section, -+ bfd_byte *contents, -+ Elf_Internal_Rela *relocs, -+ Elf_Internal_Sym *local_syms, -+ asection **local_sections) -+{ -+ struct elf64_mb_link_hash_table *htab; -+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; -+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); -+ Elf_Internal_Rela *rel, *relend; -+ int endian = (bfd_little_endian (output_bfd)) ? 0 : 2; -+ /* Assume success. */ -+ bool ret = true; -+ asection *sreloc; -+ bfd_vma *local_got_offsets; -+ unsigned int tls_type; -+ -+ if (!microblaze_elf_howto_table[R_MICROBLAZE_max-1]) -+ microblaze_elf_howto_init (); -+ -+ htab = elf64_mb_hash_table (info); -+ if (htab == NULL) -+ return false; -+ -+ local_got_offsets = elf_local_got_offsets (input_bfd); -+ -+ sreloc = elf_section_data (input_section)->sreloc; -+ -+ rel = relocs; -+ relend = relocs + input_section->reloc_count; -+ for (; rel < relend; rel++) -+ { -+ int r_type; -+ reloc_howto_type *howto; -+ unsigned long r_symndx; -+ bfd_vma addend = rel->r_addend; -+ bfd_vma offset = rel->r_offset; -+ struct elf_link_hash_entry *h; -+ Elf_Internal_Sym *sym; -+ asection *sec; -+ const char *sym_name; -+ bfd_reloc_status_type r = bfd_reloc_ok; -+ const char *errmsg = NULL; -+ bool unresolved_reloc = false; -+ -+ h = NULL; -+ r_type = ELF64_R_TYPE (rel->r_info); -+ tls_type = 0; -+ -+ if (r_type < 0 || r_type >= (int) R_MICROBLAZE_max) -+ { -+ /* xgettext:c-format */ -+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"), -+ input_bfd, (int) r_type); -+ bfd_set_error (bfd_error_bad_value); -+ ret = false; -+ continue; -+ } -+ -+ howto = microblaze_elf_howto_table[r_type]; -+ r_symndx = ELF64_R_SYM (rel->r_info); -+ -+ if (bfd_link_relocatable (info)) -+ { -+ /* This is a relocatable link. We don't have to change -+ anything, unless the reloc is against a section symbol, -+ in which case we have to adjust according to where the -+ section symbol winds up in the output section. */ -+ sec = NULL; -+ if (r_symndx >= symtab_hdr->sh_info) -+ /* External symbol. */ -+ continue; -+ -+ /* Local symbol. */ -+ sym = local_syms + r_symndx; -+ sym_name = ""; -+ /* STT_SECTION: symbol is associated with a section. */ -+ if (ELF_ST_TYPE (sym->st_info) != STT_SECTION) -+ /* Symbol isn't associated with a section. Nothing to do. */ -+ continue; -+ -+ sec = local_sections[r_symndx]; -+ addend += sec->output_offset + sym->st_value; -+#ifndef USE_REL -+ /* This can't be done for USE_REL because it doesn't mean anything -+ and elf_link_input_bfd asserts this stays zero. */ -+ /* rel->r_addend = addend; */ -+#endif -+ -+#ifndef USE_REL -+ /* Addends are stored with relocs. We're done. */ -+ continue; -+#else /* USE_REL */ -+ /* If partial_inplace, we need to store any additional addend -+ back in the section. */ -+ if (!howto->partial_inplace) -+ continue; -+ /* ??? Here is a nice place to call a special_function like handler. */ -+ r = _bfd_relocate_contents (howto, input_bfd, addend, -+ contents + offset); -+#endif /* USE_REL */ -+ } -+ else -+ { -+ bfd_vma relocation; -+ bool resolved_to_zero; -+ -+ /* This is a final link. */ -+ sym = NULL; -+ sec = NULL; -+ unresolved_reloc = false; -+ -+ if (r_symndx < symtab_hdr->sh_info) -+ { -+ /* Local symbol. */ -+ sym = local_syms + r_symndx; -+ sec = local_sections[r_symndx]; -+ if (sec == 0) -+ continue; -+ sym_name = ""; -+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); -+ /* r_addend may have changed if the reference section was -+ a merge section. */ -+ addend = rel->r_addend; -+ } -+ else -+ { -+ /* External symbol. */ -+ bool warned ATTRIBUTE_UNUSED; -+ bool ignored ATTRIBUTE_UNUSED; -+ -+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, -+ r_symndx, symtab_hdr, sym_hashes, -+ h, sec, relocation, -+ unresolved_reloc, warned, ignored); -+ sym_name = h->root.root.string; -+ } -+ -+ /* Sanity check the address. */ -+ if (offset > bfd_get_section_limit (input_bfd, input_section)) -+ { -+ r = bfd_reloc_outofrange; -+ goto check_reloc; -+ } -+ -+ resolved_to_zero = (h != NULL -+ && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)); -+ -+ switch ((int) r_type) -+ { -+ case (int) R_MICROBLAZE_SRO32 : -+ { -+ const char *name; -+ -+ /* Only relocate if the symbol is defined. */ -+ if (sec) -+ { -+ name = bfd_section_name (sec); -+ -+ if (strcmp (name, ".sdata2") == 0 -+ || strcmp (name, ".sbss2") == 0) -+ { -+ if (ro_small_data_pointer == 0) -+ microblaze_elf_final_sdp (info); -+ if (ro_small_data_pointer == 0) -+ { -+ ret = false; -+ r = bfd_reloc_undefined; -+ goto check_reloc; -+ } -+ -+ /* At this point `relocation' contains the object's -+ address. */ -+ relocation -= ro_small_data_pointer; -+ /* Now it contains the offset from _SDA2_BASE_. */ -+ r = _bfd_final_link_relocate (howto, input_bfd, -+ input_section, -+ contents, offset, -+ relocation, addend); -+ } -+ else -+ { -+ _bfd_error_handler -+ /* xgettext:c-format */ -+ (_("%pB: the target (%s) of an %s relocation" -+ " is in the wrong section (%pA)"), -+ input_bfd, -+ sym_name, -+ microblaze_elf_howto_table[(int) r_type]->name, -+ sec); -+ /*bfd_set_error (bfd_error_bad_value); ??? why? */ -+ ret = false; -+ continue; -+ } -+ } -+ } -+ break; -+ -+ case (int) R_MICROBLAZE_SRW32 : -+ { -+ const char *name; -+ -+ /* Only relocate if the symbol is defined. */ -+ if (sec) -+ { -+ name = bfd_section_name (sec); -+ -+ if (strcmp (name, ".sdata") == 0 -+ || strcmp (name, ".sbss") == 0) -+ { -+ if (rw_small_data_pointer == 0) -+ microblaze_elf_final_sdp (info); -+ if (rw_small_data_pointer == 0) -+ { -+ ret = false; -+ r = bfd_reloc_undefined; -+ goto check_reloc; -+ } -+ -+ /* At this point `relocation' contains the object's -+ address. */ -+ relocation -= rw_small_data_pointer; -+ /* Now it contains the offset from _SDA_BASE_. */ -+ r = _bfd_final_link_relocate (howto, input_bfd, -+ input_section, -+ contents, offset, -+ relocation, addend); -+ } -+ else -+ { -+ _bfd_error_handler -+ /* xgettext:c-format */ -+ (_("%pB: the target (%s) of an %s relocation" -+ " is in the wrong section (%pA)"), -+ input_bfd, -+ sym_name, -+ microblaze_elf_howto_table[(int) r_type]->name, -+ sec); -+ /*bfd_set_error (bfd_error_bad_value); ??? why? */ -+ ret = false; -+ continue; -+ } -+ } -+ } -+ break; -+ -+ case (int) R_MICROBLAZE_32_SYM_OP_SYM: -+ break; /* Do nothing. */ -+ -+ case (int) R_MICROBLAZE_GOTPC_64: -+ relocation = (htab->elf.sgotplt->output_section->vma -+ + htab->elf.sgotplt->output_offset); -+ relocation -= (input_section->output_section->vma -+ + input_section->output_offset -+ + offset + INST_WORD_SIZE); -+ relocation += addend; -+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, -+ contents + offset + endian); -+ bfd_put_16 (input_bfd, relocation & 0xffff, -+ contents + offset + endian + INST_WORD_SIZE); -+ break; -+ -+ case (int) R_MICROBLAZE_TEXTPCREL_64: -+ relocation = input_section->output_section->vma; -+ relocation -= (input_section->output_section->vma -+ + input_section->output_offset -+ + offset + INST_WORD_SIZE); -+ relocation += addend; -+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, -+ contents + offset + endian); -+ bfd_put_16 (input_bfd, relocation & 0xffff, -+ contents + offset + endian + INST_WORD_SIZE); -+ break; -+ -+ case (int) R_MICROBLAZE_PLT_64: -+ { -+ bfd_vma immediate; -+ if (htab->elf.splt != NULL && h != NULL -+ && h->plt.offset != (bfd_vma) -1) -+ { -+ relocation = (htab->elf.splt->output_section->vma -+ + htab->elf.splt->output_offset -+ + h->plt.offset); -+ unresolved_reloc = false; -+ immediate = relocation - (input_section->output_section->vma -+ + input_section->output_offset -+ + offset + INST_WORD_SIZE); -+ bfd_put_16 (input_bfd, (immediate >> 16) & 0xffff, -+ contents + offset + endian); -+ bfd_put_16 (input_bfd, immediate & 0xffff, -+ contents + offset + endian + INST_WORD_SIZE); -+ } -+ else -+ { -+ relocation -= (input_section->output_section->vma -+ + input_section->output_offset -+ + offset + INST_WORD_SIZE); -+ immediate = relocation; -+ bfd_put_16 (input_bfd, (immediate >> 16) & 0xffff, -+ contents + offset + endian); -+ bfd_put_16 (input_bfd, immediate & 0xffff, -+ contents + offset + endian + INST_WORD_SIZE); -+ } -+ break; -+ } -+ -+ case (int) R_MICROBLAZE_TLSGD: -+ tls_type = (TLS_TLS | TLS_GD); -+ goto dogot; -+ case (int) R_MICROBLAZE_TLSLD: -+ tls_type = (TLS_TLS | TLS_LD); -+ /* Fall through. */ -+ dogot: -+ case (int) R_MICROBLAZE_GOT_64: -+ { -+ bfd_vma *offp; -+ bfd_vma off, off2; -+ unsigned long indx; -+ bfd_vma static_value; -+ -+ bool need_relocs = false; -+ if (htab->elf.sgot == NULL) -+ abort (); -+ -+ indx = 0; -+ offp = NULL; -+ -+ /* 1. Identify GOT Offset; -+ 2. Compute Static Values -+ 3. Process Module Id, Process Offset -+ 4. Fixup Relocation with GOT offset value. */ -+ -+ /* 1. Determine GOT Offset to use : TLS_LD, global, local */ -+ if (IS_TLS_LD (tls_type)) -+ offp = &htab->tlsld_got.offset; -+ else if (h != NULL) -+ { -+ if (htab->elf.sgotplt != NULL -+ && h->got.offset != (bfd_vma) -1) -+ offp = &h->got.offset; -+ else -+ abort (); -+ } -+ else -+ { -+ if (local_got_offsets == NULL) -+ abort (); -+ offp = &local_got_offsets[r_symndx]; -+ } -+ -+ if (!offp) -+ abort (); -+ -+ off = (*offp) & ~1; -+ off2 = off; -+ -+ if (IS_TLS_LD(tls_type) || IS_TLS_GD(tls_type)) -+ off2 = off + 4; -+ -+ /* Symbol index to use for relocs */ -+ if (h != NULL) -+ { -+ bool dyn = -+ elf_hash_table (info)->dynamic_sections_created; -+ -+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, -+ bfd_link_pic (info), -+ h) -+ && (!bfd_link_pic (info) -+ || !SYMBOL_REFERENCES_LOCAL (info, h))) -+ indx = h->dynindx; -+ } -+ -+ /* Need to generate relocs ? */ -+ if ((bfd_link_pic (info) || indx != 0) -+ && (h == NULL -+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT -+ || h->root.type != bfd_link_hash_undefweak)) -+ need_relocs = true; -+ -+ /* 2. Compute/Emit Static value of r-expression */ -+ static_value = relocation + addend; -+ -+ /* 3. Process module-id and offset */ -+ if (! ((*offp) & 1) ) -+ { -+ bfd_vma got_offset; -+ -+ got_offset = (htab->elf.sgot->output_section->vma -+ + htab->elf.sgot->output_offset -+ + off); -+ -+ /* Process module-id */ -+ if (IS_TLS_LD(tls_type)) -+ { -+ if (! bfd_link_pic (info)) -+ bfd_put_32 (output_bfd, 1, -+ htab->elf.sgot->contents + off); -+ else -+ microblaze_elf_output_dynamic_relocation -+ (output_bfd, -+ htab->elf.srelgot, -+ htab->elf.srelgot->reloc_count++, -+ /* symindex= */ 0, R_MICROBLAZE_TLSDTPMOD32, -+ got_offset, 0); -+ } -+ else if (IS_TLS_GD(tls_type)) -+ { -+ if (! need_relocs) -+ bfd_put_32 (output_bfd, 1, -+ htab->elf.sgot->contents + off); -+ else -+ microblaze_elf_output_dynamic_relocation -+ (output_bfd, -+ htab->elf.srelgot, -+ htab->elf.srelgot->reloc_count++, -+ /* symindex= */ indx, R_MICROBLAZE_TLSDTPMOD32, -+ got_offset, indx ? 0 : static_value); -+ } -+ -+ /* Process Offset */ -+ if (htab->elf.srelgot == NULL) -+ abort (); -+ -+ got_offset = (htab->elf.sgot->output_section->vma -+ + htab->elf.sgot->output_offset -+ + off2); -+ if (IS_TLS_LD(tls_type)) -+ { -+ /* For LD, offset should be 0 */ -+ *offp |= 1; -+ bfd_put_32 (output_bfd, 0, -+ htab->elf.sgot->contents + off2); -+ } -+ else if (IS_TLS_GD(tls_type)) -+ { -+ *offp |= 1; -+ static_value -= dtprel_base(info); -+ if (need_relocs) -+ microblaze_elf_output_dynamic_relocation -+ (output_bfd, -+ htab->elf.srelgot, -+ htab->elf.srelgot->reloc_count++, -+ /* symindex= */ indx, R_MICROBLAZE_TLSDTPREL32, -+ got_offset, indx ? 0 : static_value); -+ else -+ bfd_put_32 (output_bfd, static_value, -+ htab->elf.sgot->contents + off2); -+ } -+ else -+ { -+ bfd_put_32 (output_bfd, static_value, -+ htab->elf.sgot->contents + off2); -+ -+ /* Relocs for dyn symbols generated by -+ finish_dynamic_symbols */ -+ if (bfd_link_pic (info) && h == NULL) -+ { -+ *offp |= 1; -+ microblaze_elf_output_dynamic_relocation -+ (output_bfd, -+ htab->elf.srelgot, -+ htab->elf.srelgot->reloc_count++, -+ /* symindex= */ indx, R_MICROBLAZE_REL, -+ got_offset, static_value); -+ } -+ } -+ } -+ -+ /* 4. Fixup Relocation with GOT offset value -+ Compute relative address of GOT entry for applying -+ the current relocation */ -+ relocation = htab->elf.sgot->output_section->vma -+ + htab->elf.sgot->output_offset -+ + off -+ - htab->elf.sgotplt->output_section->vma -+ - htab->elf.sgotplt->output_offset; -+ -+ /* Apply Current Relocation */ -+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, -+ contents + offset + endian); -+ bfd_put_16 (input_bfd, relocation & 0xffff, -+ contents + offset + endian + INST_WORD_SIZE); -+ -+ unresolved_reloc = false; -+ break; -+ } -+ -+ case (int) R_MICROBLAZE_GOTOFF_64: -+ { -+ bfd_vma immediate; -+ unsigned short lo, high; -+ relocation += addend; -+ relocation -= (htab->elf.sgotplt->output_section->vma -+ + htab->elf.sgotplt->output_offset); -+ /* Write this value into correct location. */ -+ immediate = relocation; -+ lo = immediate & 0x0000ffff; -+ high = (immediate >> 16) & 0x0000ffff; -+ bfd_put_16 (input_bfd, high, contents + offset + endian); -+ bfd_put_16 (input_bfd, lo, -+ contents + offset + INST_WORD_SIZE + endian); -+ break; -+ } -+ -+ case (int) R_MICROBLAZE_GOTOFF_32: -+ { -+ relocation += addend; -+ relocation -= (htab->elf.sgotplt->output_section->vma -+ + htab->elf.sgotplt->output_offset); -+ /* Write this value into correct location. */ -+ bfd_put_32 (input_bfd, relocation, contents + offset); -+ break; -+ } -+ -+ case (int) R_MICROBLAZE_TLSDTPREL64: -+ relocation += addend; -+ relocation -= dtprel_base(info); -+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, -+ contents + offset + endian); -+ bfd_put_16 (input_bfd, relocation & 0xffff, -+ contents + offset + endian + INST_WORD_SIZE); -+ break; -+ case (int) R_MICROBLAZE_TEXTREL_64: -+ case (int) R_MICROBLAZE_TEXTREL_32_LO: -+ case (int) R_MICROBLAZE_64_PCREL : -+ case (int) R_MICROBLAZE_64: -+ case (int) R_MICROBLAZE_32: -+ case (int) R_MICROBLAZE_IMML_64: -+ { -+ /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols -+ from removed linkonce sections, or sections discarded by -+ a linker script. */ -+ if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0) -+ { -+ relocation += addend; -+ if (r_type == R_MICROBLAZE_32)// || r_type == R_MICROBLAZE_IMML_64) -+ bfd_put_32 (input_bfd, relocation, contents + offset); -+ else if (r_type == R_MICROBLAZE_IMML_64) -+ bfd_put_64 (input_bfd, relocation, contents + offset); -+ else -+ { -+ if (r_type == R_MICROBLAZE_64_PCREL) -+ relocation -= (input_section->output_section->vma -+ + input_section->output_offset -+ + offset + INST_WORD_SIZE); -+ else if (r_type == R_MICROBLAZE_TEXTREL_64 -+ || r_type == R_MICROBLAZE_TEXTREL_32_LO) -+ relocation -= input_section->output_section->vma; -+ -+ if (r_type == R_MICROBLAZE_TEXTREL_32_LO) -+ bfd_put_16 (input_bfd, relocation & 0xffff, -+ contents + offset + endian); -+ -+ unsigned long insn = bfd_get_32 (input_bfd, contents + offset +endian); -+ if ((insn & 0xff000000) == 0xb2000000) -+ { -+ insn &= ~0x00ffffff; -+ insn |= (relocation >> 16) & 0xffffff; -+ bfd_put_32 (input_bfd, insn, -+ contents + offset + endian); -+ } -+ else -+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, -+ contents + offset + endian); -+ bfd_put_16 (input_bfd, relocation & 0xffff, -+ contents + offset + endian + INST_WORD_SIZE); -+ } -+ break; -+ } -+ -+ if ((bfd_link_pic (info) -+ && (h == NULL -+ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT -+ && !resolved_to_zero) -+ || h->root.type != bfd_link_hash_undefweak) -+ && (!howto->pc_relative -+ || (h != NULL -+ && h->dynindx != -1 -+ && (!info->symbolic -+ || !h->def_regular)))) -+ || (!bfd_link_pic (info) -+ && h != NULL -+ && h->dynindx != -1 -+ && !h->non_got_ref -+ && ((h->def_dynamic -+ && !h->def_regular) -+ || h->root.type == bfd_link_hash_undefweak -+ || h->root.type == bfd_link_hash_undefined))) -+ { -+ Elf_Internal_Rela outrel; -+ bfd_byte *loc; -+ bool skip; -+ -+ /* When generating a shared object, these relocations -+ are copied into the output file to be resolved at run -+ time. */ -+ -+ BFD_ASSERT (sreloc != NULL); -+ -+ skip = false; -+ -+ outrel.r_offset = -+ _bfd_elf_section_offset (output_bfd, info, input_section, -+ rel->r_offset); -+ if (outrel.r_offset == (bfd_vma) -1) -+ skip = true; -+ else if (outrel.r_offset == (bfd_vma) -2) -+ skip = true; -+ outrel.r_offset += (input_section->output_section->vma -+ + input_section->output_offset); -+ -+ if (skip) -+ memset (&outrel, 0, sizeof outrel); -+ /* h->dynindx may be -1 if the symbol was marked to -+ become local. */ -+ else if (h != NULL -+ && ((! info->symbolic && h->dynindx != -1) -+ || !h->def_regular)) -+ { -+ BFD_ASSERT (h->dynindx != -1); -+ outrel.r_info = ELF64_R_INFO (h->dynindx, r_type); -+ outrel.r_addend = addend; -+ } -+ else -+ { -+ if (r_type == R_MICROBLAZE_32 || r_type == R_MICROBLAZE_IMML_64) -+ { -+ outrel.r_info = ELF64_R_INFO (0, R_MICROBLAZE_REL); -+ outrel.r_addend = relocation + addend; -+ } -+ else -+ { -+ BFD_FAIL (); -+ _bfd_error_handler -+ (_("%pB: probably compiled without -fPIC?"), -+ input_bfd); -+ bfd_set_error (bfd_error_bad_value); -+ return false; -+ } -+ } -+ -+ loc = sreloc->contents; -+ loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); -+ bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); -+ break; -+ } -+ else -+ { -+ relocation += addend; -+ if (r_type == R_MICROBLAZE_32) -+ bfd_put_32 (input_bfd, relocation, contents + offset); -+ else if (r_type == R_MICROBLAZE_IMML_64) -+ bfd_put_64 (input_bfd, relocation, contents + offset + endian); -+ else -+ { -+ if (r_type == R_MICROBLAZE_64_PCREL) -+ { -+ if (!input_section->output_section->vma && -+ !input_section->output_offset && !offset) -+ relocation -= (input_section->output_section->vma -+ + input_section->output_offset -+ + offset); -+ else -+ relocation -= (input_section->output_section->vma -+ + input_section->output_offset + offset + INST_WORD_SIZE); -+ } -+ else if (r_type == R_MICROBLAZE_TEXTREL_64 -+ || r_type == R_MICROBLAZE_TEXTREL_32_LO) -+ relocation -= input_section->output_section->vma; -+ -+ if (r_type == R_MICROBLAZE_TEXTREL_32_LO) -+ { -+ bfd_put_16 (input_bfd, relocation & 0xffff, -+ contents + offset + endian); -+ } -+ unsigned long insn = bfd_get_32 (input_bfd, contents + offset +endian); -+ if ((insn & 0xff000000) == 0xb2000000) -+ { -+ insn &= ~0x00ffffff; -+ insn |= (relocation >> 16) & 0xffffff; -+ bfd_put_32 (input_bfd, insn, -+ contents + offset + endian); -+ } -+ else -+ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, -+ contents + offset + endian); -+ bfd_put_16 (input_bfd, relocation & 0xffff, -+ contents + offset + endian + INST_WORD_SIZE); -+ } -+ break; -+ } -+ } -+ -+ default : -+ r = _bfd_final_link_relocate (howto, input_bfd, input_section, -+ contents, offset, -+ relocation, addend); -+ break; -+ } -+ } -+ -+ check_reloc: -+ -+ if (r != bfd_reloc_ok) -+ { -+ /* FIXME: This should be generic enough to go in a utility. */ -+ const char *name; -+ -+ if (h != NULL) -+ name = h->root.root.string; -+ else -+ { -+ name = (bfd_elf_string_from_elf_section -+ (input_bfd, symtab_hdr->sh_link, sym->st_name)); -+ if (name == NULL || *name == '\0') -+ name = bfd_section_name (sec); -+ } -+ -+ if (errmsg != NULL) -+ goto common_error; -+ -+ switch (r) -+ { -+ case bfd_reloc_overflow: -+ (*info->callbacks->reloc_overflow) -+ (info, (h ? &h->root : NULL), name, howto->name, -+ (bfd_vma) 0, input_bfd, input_section, offset); -+ break; -+ -+ case bfd_reloc_undefined: -+ (*info->callbacks->undefined_symbol) -+ (info, name, input_bfd, input_section, offset, true); -+ break; -+ -+ case bfd_reloc_outofrange: -+ errmsg = _("internal error: out of range error"); -+ goto common_error; -+ -+ case bfd_reloc_notsupported: -+ errmsg = _("internal error: unsupported relocation error"); -+ goto common_error; -+ -+ case bfd_reloc_dangerous: -+ errmsg = _("internal error: dangerous error"); -+ goto common_error; -+ -+ default: -+ errmsg = _("internal error: unknown error"); -+ /* Fall through. */ -+ common_error: -+ (*info->callbacks->warning) (info, errmsg, name, input_bfd, -+ input_section, offset); -+ break; -+ } -+ } -+ } -+ -+ return ret; -+} -+ -+/* Merge backend specific data from an object file to the output -+ object file when linking. -+ -+ Note: We only use this hook to catch endian mismatches. */ -+static bool -+microblaze_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd) -+{ -+ /* Check if we have the same endianess. */ -+ if (! _bfd_generic_verify_endian_match (ibfd, obfd)) -+ return false; -+ -+ return true; -+} -+ -+ -+/* Calculate fixup value for reference. */ -+ -+static size_t -+calc_fixup (bfd_vma start, bfd_vma size, asection *sec) -+{ -+ bfd_vma end = start + size; -+ size_t i, fixup = 0; -+ struct _microblaze_elf_section_data *sdata; -+ -+ if (sec == NULL || (sdata = microblaze_elf_section_data (sec)) == NULL) -+ return 0; -+ -+ /* Look for addr in relax table, total fixup value. */ -+ for (i = 0; i < sdata->relax_count; i++) -+ { -+ if (end <= sdata->relax[i].addr) -+ break; -+ if (end != start && start > sdata->relax[i].addr) -+ continue; -+ fixup += sdata->relax[i].size; -+ } -+ return fixup; -+} -+ -+/* Read-modify-write into the bfd, an immediate value into appropriate fields of -+ a 32-bit instruction. */ -+static void -+microblaze_bfd_write_imm_value_32 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val) -+{ -+ unsigned long instr = bfd_get_32 (abfd, bfd_addr); -+ -+ if ((instr & 0xff000000) == 0xb2000000) -+ { -+ instr &= ~0x00ffffff; -+ instr |= (val & 0xffffff); -+ bfd_put_32 (abfd, instr, bfd_addr); -+ } -+ else -+ { -+ instr &= ~0x0000ffff; -+ instr |= (val & 0x0000ffff); -+ bfd_put_32 (abfd, instr, bfd_addr); -+ } -+} -+ -+/* Read-modify-write into the bfd, an immediate value into appropriate fields of -+ two consecutive 32-bit instructions. */ -+static void -+microblaze_bfd_write_imm_value_64 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val) -+{ -+ unsigned long instr_hi; -+ unsigned long instr_lo; -+ -+ instr_hi = bfd_get_32 (abfd, bfd_addr); -+ if ((instr_hi & 0xff000000) == 0xb2000000) -+ { -+ instr_hi &= ~0x00ffffff; -+ instr_hi |= (val >> 16) & 0xffffff; -+ bfd_put_32 (abfd, instr_hi,bfd_addr); -+ } -+ else -+ { -+ instr_hi &= ~0x0000ffff; -+ instr_hi |= ((val >> 16) & 0x0000ffff); -+ bfd_put_32 (abfd, instr_hi, bfd_addr); -+ } -+ instr_lo = bfd_get_32 (abfd, bfd_addr + INST_WORD_SIZE); -+ instr_lo &= ~0x0000ffff; -+ instr_lo |= (val & 0x0000ffff); -+ bfd_put_32 (abfd, instr_lo, bfd_addr + INST_WORD_SIZE); -+} -+ -+static bool -+microblaze_elf_relax_section (bfd *abfd, -+ asection *sec, -+ struct bfd_link_info *link_info, -+ bool *again) -+{ -+ Elf_Internal_Shdr *symtab_hdr; -+ Elf_Internal_Rela *internal_relocs; -+ Elf_Internal_Rela *irel, *irelend; -+ bfd_byte *contents = NULL; -+ int rel_count; -+ unsigned int shndx; -+ size_t i, sym_index; -+ asection *o; -+ struct elf_link_hash_entry *sym_hash; -+ Elf_Internal_Sym *isymbuf, *isymend; -+ Elf_Internal_Sym *isym; -+ size_t symcount; -+ size_t offset; -+ bfd_vma src, dest; -+ struct _microblaze_elf_section_data *sdata; -+ -+ /* We only do this once per section. We may be able to delete some code -+ by running multiple passes, but it is not worth it. */ -+ *again = false; -+ -+ /* Only do this for a text section. */ -+ if (bfd_link_relocatable (link_info) -+ || (sec->flags & SEC_RELOC) == 0 -+ || (sec->flags & SEC_CODE) == 0 -+ || sec->reloc_count == 0 -+ || (sdata = microblaze_elf_section_data (sec)) == NULL) -+ return true; -+ -+ BFD_ASSERT ((sec->size > 0) || (sec->rawsize > 0)); -+ -+ /* If this is the first time we have been called for this section, -+ initialize the cooked size. */ -+ if (sec->size == 0) -+ sec->size = sec->rawsize; -+ -+ /* Get symbols for this section. */ -+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr; -+ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; -+ symcount = symtab_hdr->sh_size / sizeof (Elf64_External_Sym); -+ if (isymbuf == NULL) -+ isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, symcount, -+ 0, NULL, NULL, NULL); -+ BFD_ASSERT (isymbuf != NULL); -+ -+ internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL, link_info->keep_memory); -+ if (internal_relocs == NULL) -+ goto error_return; -+ -+ sdata->relax_count = 0; -+ sdata->relax = (struct relax_table *) bfd_malloc ((sec->reloc_count + 1) -+ * sizeof (*sdata->relax)); -+ if (sdata->relax == NULL) -+ goto error_return; -+ -+ irelend = internal_relocs + sec->reloc_count; -+ rel_count = 0; -+ for (irel = internal_relocs; irel < irelend; irel++, rel_count++) -+ { -+ bfd_vma symval; -+ if ((ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_64_PCREL) -+ && (ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_64 ) -+&& (ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_TEXTREL_64)) -+ continue; /* Can't delete this reloc. */ -+ -+ /* Get the section contents. */ -+ if (contents == NULL) -+ { -+ if (elf_section_data (sec)->this_hdr.contents != NULL) -+ contents = elf_section_data (sec)->this_hdr.contents; -+ else -+ { -+ contents = (bfd_byte *) bfd_malloc (sec->size); -+ if (contents == NULL) -+ goto error_return; -+ if (!bfd_get_section_contents (abfd, sec, contents, -+ (file_ptr) 0, sec->size)) -+ goto error_return; -+ elf_section_data (sec)->this_hdr.contents = contents; -+ } -+ } -+ -+ /* Get the value of the symbol referred to by the reloc. */ -+ if (ELF64_R_SYM (irel->r_info) < symtab_hdr->sh_info) -+ { -+ /* A local symbol. */ -+ asection *sym_sec; -+ -+ isym = isymbuf + ELF64_R_SYM (irel->r_info); -+ if (isym->st_shndx == SHN_UNDEF) -+ sym_sec = bfd_und_section_ptr; -+ else if (isym->st_shndx == SHN_ABS) -+ sym_sec = bfd_abs_section_ptr; -+ else if (isym->st_shndx == SHN_COMMON) -+ sym_sec = bfd_com_section_ptr; -+ else -+ sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx); -+ -+ symval = _bfd_elf_rela_local_sym (abfd, isym, &sym_sec, irel); -+ } -+ else -+ { -+ unsigned long indx; -+ struct elf_link_hash_entry *h; -+ -+ indx = ELF64_R_SYM (irel->r_info) - symtab_hdr->sh_info; -+ h = elf_sym_hashes (abfd)[indx]; -+ BFD_ASSERT (h != NULL); -+ -+ if (h->root.type != bfd_link_hash_defined -+ && h->root.type != bfd_link_hash_defweak) -+ /* This appears to be a reference to an undefined -+ symbol. Just ignore it--it will be caught by the -+ regular reloc processing. */ -+ continue; -+ -+ symval = (h->root.u.def.value -+ + h->root.u.def.section->output_section->vma -+ + h->root.u.def.section->output_offset); -+ } -+ -+ /* If this is a PC-relative reloc, subtract the instr offset from -+ the symbol value. */ -+ if (ELF64_R_TYPE (irel->r_info) == (int) R_MICROBLAZE_64_PCREL) -+ { -+ symval = symval + irel->r_addend -+ - (irel->r_offset -+ + sec->output_section->vma -+ + sec->output_offset); -+ } -+ else if (ELF64_R_TYPE (irel->r_info) == (int) R_MICROBLAZE_TEXTREL_64) -+ { -+ symval = symval + irel->r_addend - (sec->output_section->vma); -+ } -+ else -+ symval += irel->r_addend; -+ -+ if ((symval & 0xffff8000) == 0 -+ || (symval & 0xffff8000) == 0xffff8000) -+ { -+ /* We can delete this instruction. */ -+ sdata->relax[sdata->relax_count].addr = irel->r_offset; -+ sdata->relax[sdata->relax_count].size = INST_WORD_SIZE; -+ sdata->relax_count++; -+ -+ /* Rewrite relocation type. */ -+ switch ((enum elf_microblaze_reloc_type) ELF64_R_TYPE (irel->r_info)) -+ { -+ case R_MICROBLAZE_64_PCREL: -+ irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), -+ (int) R_MICROBLAZE_32_PCREL_LO); -+ break; -+ case R_MICROBLAZE_64: -+ irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), -+ (int) R_MICROBLAZE_32_LO); -+ break; -+ case R_MICROBLAZE_TEXTREL_64: -+ irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), -+ (int) R_MICROBLAZE_TEXTREL_32_LO); -+ break; -+ default: -+ /* Cannot happen. */ -+ BFD_ASSERT (false); -+ } -+ } -+ } /* Loop through all relocations. */ -+ -+ /* Loop through the relocs again, and see if anything needs to change. */ -+ if (sdata->relax_count > 0) -+ { -+ shndx = _bfd_elf_section_from_bfd_section (abfd, sec); -+ rel_count = 0; -+ sdata->relax[sdata->relax_count].addr = sec->size; -+ -+ for (irel = internal_relocs; irel < irelend; irel++, rel_count++) -+ { -+ bfd_vma nraddr; -+ -+ /* Get the new reloc address. */ -+ nraddr = irel->r_offset - calc_fixup (irel->r_offset, 0, sec); -+ switch ((enum elf_microblaze_reloc_type) ELF64_R_TYPE (irel->r_info)) -+ { -+ default: -+ break; -+ case R_MICROBLAZE_64_PCREL: -+ break; -+ case R_MICROBLAZE_64: -+ case R_MICROBLAZE_32_LO: -+ /* If this reloc is against a symbol defined in this -+ section, we must check the addend to see it will put the value in -+ range to be adjusted, and hence must be changed. */ -+ if (ELF64_R_SYM (irel->r_info) < symtab_hdr->sh_info) -+ { -+ isym = isymbuf + ELF64_R_SYM (irel->r_info); -+ /* Only handle relocs against .text. */ -+ if (isym->st_shndx == shndx -+ && ELF64_ST_TYPE (isym->st_info) == STT_SECTION) -+ irel->r_addend -= calc_fixup (irel->r_addend, 0, sec); -+ } -+ break; -+ case R_MICROBLAZE_IMML_64: -+ { -+ /* This was a PC-relative instruction that was -+ completely resolved. */ -+ int sfix, efix; -+ unsigned int val; -+ bfd_vma target_address; -+ target_address = irel->r_addend + irel->r_offset; -+ sfix = calc_fixup (irel->r_offset, 0, sec); -+ efix = calc_fixup (target_address, 0, sec); -+ -+ /* Validate the in-band val. */ -+ val = bfd_get_64 (abfd, contents + irel->r_offset); -+ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { -+ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); -+ } -+ irel->r_addend -= (efix - sfix); -+ /* Should use HOWTO. */ -+ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, -+ irel->r_addend); -+ } -+ break; -+ case R_MICROBLAZE_NONE: -+ case R_MICROBLAZE_32_NONE: -+ { -+ /* This was a PC-relative instruction that was -+ completely resolved. */ -+ size_t sfix, efix; -+ unsigned int val; -+ bfd_vma target_address; -+ target_address = irel->r_addend + irel->r_offset; -+ sfix = calc_fixup (irel->r_offset, 0, sec); -+ efix = calc_fixup (target_address, 0, sec); -+ -+ /* Validate the in-band val. */ -+ val = bfd_get_32 (abfd, contents + irel->r_offset); -+ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { -+ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); -+ } -+ irel->r_addend -= (efix - sfix); -+ /* Should use HOWTO. */ -+ microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset, -+ irel->r_addend); -+ } -+ break; -+ case R_MICROBLAZE_64_NONE: -+ { -+ /* This was a PC-relative 64-bit instruction that was -+ completely resolved. */ -+ size_t sfix, efix; -+ bfd_vma target_address; -+ target_address = irel->r_addend + irel->r_offset + INST_WORD_SIZE; -+ sfix = calc_fixup (irel->r_offset + INST_WORD_SIZE, 0, sec); -+ efix = calc_fixup (target_address, 0, sec); -+ irel->r_addend -= (efix - sfix); -+ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, -+ irel->r_addend); -+ } -+ break; -+ } -+ irel->r_offset = nraddr; -+ } /* Change all relocs in this section. */ -+ -+ /* Look through all other sections. */ -+ for (o = abfd->sections; o != NULL; o = o->next) -+ { -+ Elf_Internal_Rela *irelocs; -+ Elf_Internal_Rela *irelscan, *irelscanend; -+ bfd_byte *ocontents; -+ -+ if (o == sec -+ || (o->flags & SEC_RELOC) == 0 -+ || o->reloc_count == 0) -+ continue; -+ -+ /* We always cache the relocs. Perhaps, if info->keep_memory is -+ false, we should free them, if we are permitted to. */ -+ -+ irelocs = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, true); -+ if (irelocs == NULL) -+ goto error_return; -+ -+ ocontents = NULL; -+ irelscanend = irelocs + o->reloc_count; -+ for (irelscan = irelocs; irelscan < irelscanend; irelscan++) -+ { -+ if (1 && ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_NONE) -+ { -+ unsigned int val; -+ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) -+ continue; -+ -+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); -+ -+ /* hax: We only do the following fixup for debug location lists. */ -+ if (strcmp(".debug_loc", o->name)) -+ continue; -+ -+ /* This was a PC-relative instruction that was completely resolved. */ -+ if (ocontents == NULL) -+ { -+ if (elf_section_data (o)->this_hdr.contents != NULL) -+ ocontents = elf_section_data (o)->this_hdr.contents; -+ else -+ { -+ /* We always cache the section contents. -+ Perhaps, if info->keep_memory is false, we -+ should free them, if we are permitted to. */ -+ -+ if (o->rawsize == 0) -+ o->rawsize = o->size; -+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); -+ if (ocontents == NULL) -+ goto error_return; -+ if (!bfd_get_section_contents (abfd, o, ocontents, -+ (file_ptr) 0, -+ o->rawsize)) -+ goto error_return; -+ elf_section_data (o)->this_hdr.contents = ocontents; -+ } -+ } -+ -+ val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); -+ if (val != irelscan->r_addend) { -+ fprintf(stderr, "%d: CORRUPT relax reloc! %x %lx\n", __LINE__, val, irelscan->r_addend); -+ } -+ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); -+ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, -+ irelscan->r_addend); -+ } -+ if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32 -+ || ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_IMML_64) -+ { -+ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) -+ continue; -+ -+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); -+ -+ /* Look at the reloc only if the value has been resolved. */ -+ if (isym->st_shndx == shndx -+ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) -+ { -+ if (ocontents == NULL) -+ { -+ if (elf_section_data (o)->this_hdr.contents != NULL) -+ ocontents = elf_section_data (o)->this_hdr.contents; -+ else -+ { -+ /* We always cache the section contents. -+ Perhaps, if info->keep_memory is false, we -+ should free them, if we are permitted to. */ -+ if (o->rawsize == 0) -+ o->rawsize = o->size; -+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); -+ if (ocontents == NULL) -+ goto error_return; -+ if (!bfd_get_section_contents (abfd, o, ocontents, -+ (file_ptr) 0, -+ o->rawsize)) -+ goto error_return; -+ elf_section_data (o)->this_hdr.contents = ocontents; -+ } -+ -+ } -+ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); -+ } -+ else if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_SYM_OP_SYM) -+ { -+ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) -+ continue; -+ -+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); -+ -+ /* Look at the reloc only if the value has been resolved. */ -+ if (ocontents == NULL) -+ { -+ if (elf_section_data (o)->this_hdr.contents != NULL) -+ ocontents = elf_section_data (o)->this_hdr.contents; -+ else -+ { -+ /* We always cache the section contents. -+ Perhaps, if info->keep_memory is false, we -+ should free them, if we are permitted to. */ -+ -+ if (o->rawsize == 0) -+ o->rawsize = o->size; -+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); -+ if (ocontents == NULL) -+ goto error_return; -+ if (!bfd_get_section_contents (abfd, o, ocontents, -+ (file_ptr) 0, -+ o->rawsize)) -+ goto error_return; -+ elf_section_data (o)->this_hdr.contents = ocontents; -+ } -+ } -+ irelscan->r_addend -= calc_fixup (irelscan->r_addend -+ + isym->st_value, -+ 0, -+ sec); -+ } -+ } -+ else if ((ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_PCREL_LO) -+ || (ELF32_R_TYPE (irelscan->r_info) -+ == (int) R_MICROBLAZE_32_LO) -+ || (ELF32_R_TYPE (irelscan->r_info) -+ == (int) R_MICROBLAZE_TEXTREL_32_LO)) -+ { -+ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) -+ continue; -+ -+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); -+ -+ /* Look at the reloc only if the value has been resolved. */ -+ if (isym->st_shndx == shndx -+ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) -+ { -+ bfd_vma immediate; -+ bfd_vma target_address; -+ -+ if (ocontents == NULL) -+ { -+ if (elf_section_data (o)->this_hdr.contents != NULL) -+ ocontents = elf_section_data (o)->this_hdr.contents; -+ else -+ { -+ /* We always cache the section contents. -+ Perhaps, if info->keep_memory is false, we -+ should free them, if we are permitted to. */ -+ if (o->rawsize == 0) -+ o->rawsize = o->size; -+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); -+ if (ocontents == NULL) -+ goto error_return; -+ if (!bfd_get_section_contents (abfd, o, ocontents, -+ (file_ptr) 0, -+ o->rawsize)) -+ goto error_return; -+ elf_section_data (o)->this_hdr.contents = ocontents; -+ } -+ } -+ -+ unsigned long instr = bfd_get_32 (abfd, ocontents + irelscan->r_offset); -+ immediate = instr & 0x0000ffff; -+ target_address = immediate; -+ offset = calc_fixup (target_address, 0, sec); -+ immediate -= offset; -+ irelscan->r_addend -= offset; -+ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, -+ irelscan->r_addend); -+ } -+ } -+ -+ if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64 -+ || (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_TEXTREL_64)) -+ { -+ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) -+ continue; -+ -+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); -+ -+ /* Look at the reloc only if the value has been resolved. */ -+ if (isym->st_shndx == shndx -+ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) -+ { -+ bfd_vma immediate; -+ -+ if (ocontents == NULL) -+ { -+ if (elf_section_data (o)->this_hdr.contents != NULL) -+ ocontents = elf_section_data (o)->this_hdr.contents; -+ else -+ { -+ /* We always cache the section contents. -+ Perhaps, if info->keep_memory is false, we -+ should free them, if we are permitted to. */ -+ -+ if (o->rawsize == 0) -+ o->rawsize = o->size; -+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); -+ if (ocontents == NULL) -+ goto error_return; -+ if (!bfd_get_section_contents (abfd, o, ocontents, -+ (file_ptr) 0, -+ o->rawsize)) -+ goto error_return; -+ elf_section_data (o)->this_hdr.contents = ocontents; -+ } -+ } -+ unsigned long instr_hi = bfd_get_32 (abfd, ocontents -+ + irelscan->r_offset); -+ unsigned long instr_lo = bfd_get_32 (abfd, ocontents -+ + irelscan->r_offset -+ + INST_WORD_SIZE); -+ if ((instr_hi & 0xff000000) == 0xb2000000) -+ immediate = (instr_hi & 0x00ffffff) << 24; -+ else -+ immediate = (instr_hi & 0x0000ffff) << 16; -+ immediate |= (instr_lo & 0x0000ffff); -+ offset = calc_fixup (irelscan->r_addend, 0, sec); -+ immediate -= offset; -+ irelscan->r_addend -= offset; -+ -+ } -+ } -+ else if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_PCREL) -+ { -+ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) -+ continue; -+ -+ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); -+ -+ /* Look at the reloc only if the value has been resolved. */ -+ if (isym->st_shndx == shndx -+ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) -+ { -+ bfd_vma immediate; -+ bfd_vma target_address; -+ -+ if (ocontents == NULL) -+ { -+ if (elf_section_data (o)->this_hdr.contents != NULL) -+ ocontents = elf_section_data (o)->this_hdr.contents; -+ else -+ { -+ /* We always cache the section contents. -+ Perhaps, if info->keep_memory is false, we -+ should free them, if we are permitted to. */ -+ if (o->rawsize == 0) -+ o->rawsize = o->size; -+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); -+ if (ocontents == NULL) -+ goto error_return; -+ if (!bfd_get_section_contents (abfd, o, ocontents, -+ (file_ptr) 0, -+ o->rawsize)) -+ goto error_return; -+ elf_section_data (o)->this_hdr.contents = ocontents; -+ } -+ } -+ unsigned long instr_hi = bfd_get_32 (abfd, ocontents -+ + irelscan->r_offset); -+ unsigned long instr_lo = bfd_get_32 (abfd, ocontents -+ + irelscan->r_offset -+ + INST_WORD_SIZE); -+ if ((instr_hi & 0xff000000) == 0xb2000000) -+ immediate = (instr_hi & 0x00ffffff) << 24; -+ else -+ immediate = (instr_hi & 0x0000ffff) << 16; -+ immediate |= (instr_lo & 0x0000ffff); -+ target_address = immediate; -+ offset = calc_fixup (target_address, 0, sec); -+ immediate -= offset; -+ irelscan->r_addend -= offset; -+ microblaze_bfd_write_imm_value_64 (abfd, ocontents -+ + irelscan->r_offset, immediate); -+ } -+ } -+ } -+ } -+ -+ /* Adjust the local symbols defined in this section. */ -+ isymend = isymbuf + symtab_hdr->sh_info; -+ for (isym = isymbuf; isym < isymend; isym++) -+ { -+ if (isym->st_shndx == shndx) -+ { -+ isym->st_value -= calc_fixup (isym->st_value, 0, sec); -+ if (isym->st_size) -+ isym->st_size -= calc_fixup (isym->st_value, isym->st_size, sec); -+ } -+ } -+ -+ /* Now adjust the global symbols defined in this section. */ -+ isym = isymbuf + symtab_hdr->sh_info; -+ symcount = (symtab_hdr->sh_size / sizeof (Elf64_External_Sym)) - symtab_hdr->sh_info; -+ for (sym_index = 0; sym_index < symcount; sym_index++) -+ { -+ sym_hash = elf_sym_hashes (abfd)[sym_index]; -+ if ((sym_hash->root.type == bfd_link_hash_defined -+ || sym_hash->root.type == bfd_link_hash_defweak) -+ && sym_hash->root.u.def.section == sec) -+ { -+ sym_hash->root.u.def.value -= calc_fixup (sym_hash->root.u.def.value, -+ 0, sec); -+ if (sym_hash->size) -+ sym_hash->size -= calc_fixup (sym_hash->root.u.def.value, -+ sym_hash->size, sec); -+ } -+ } -+ -+ /* Physically move the code and change the cooked size. */ -+ dest = sdata->relax[0].addr; -+ for (i = 0; i < sdata->relax_count; i++) -+ { -+ size_t len; -+ src = sdata->relax[i].addr + sdata->relax[i].size; -+ len = (sdata->relax[i+1].addr - sdata->relax[i].addr -+ - sdata->relax[i].size); -+ -+ memmove (contents + dest, contents + src, len); -+ sec->size -= sdata->relax[i].size; -+ dest += len; -+ } -+ -+ elf_section_data (sec)->relocs = internal_relocs; -+ -+ elf_section_data (sec)->this_hdr.contents = contents; -+ -+ symtab_hdr->contents = (bfd_byte *) isymbuf; -+ } -+ -+ if (internal_relocs != NULL -+ && elf_section_data (sec)->relocs != internal_relocs) -+ free (internal_relocs); -+ -+ if (contents != NULL -+ && elf_section_data (sec)->this_hdr.contents != contents) -+ { -+ if (! link_info->keep_memory) -+ free (contents); -+ else -+ { -+ /* Cache the section contents for elf_link_input_bfd. */ -+ elf_section_data (sec)->this_hdr.contents = contents; -+ } -+ } -+ -+ if (sdata->relax_count == 0) -+ { -+ *again = false; -+ free (sdata->relax); -+ sdata->relax = NULL; -+ } -+ else -+ *again = true; -+ return true; -+ -+ error_return: -+ if (isymbuf != NULL -+ && symtab_hdr->contents != (unsigned char *) isymbuf) -+ free (isymbuf); -+ if (internal_relocs != NULL -+ && elf_section_data (sec)->relocs != internal_relocs) -+ free (internal_relocs); -+ if (contents != NULL -+ && elf_section_data (sec)->this_hdr.contents != contents) -+ free (contents); -+ free (sdata->relax); -+ sdata->relax = NULL; -+ sdata->relax_count = 0; -+ return false; -+} -+ -+/* Return the section that should be marked against GC for a given -+ relocation. */ -+ -+static asection * -+microblaze_elf_gc_mark_hook (asection *sec, -+ struct bfd_link_info * info, -+ Elf_Internal_Rela * rel, -+ struct elf_link_hash_entry * h, -+ Elf_Internal_Sym * sym) -+{ -+ if (h != NULL) -+ switch (ELF64_R_TYPE (rel->r_info)) -+ { -+ case R_MICROBLAZE_GNU_VTINHERIT: -+ case R_MICROBLAZE_GNU_VTENTRY: -+ return NULL; -+ } -+ -+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); -+} -+ -+/* Update the got entry reference counts for the section being removed. */ -+ -+static bool -+microblaze_elf_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED, -+ struct bfd_link_info * info ATTRIBUTE_UNUSED, -+ asection * sec ATTRIBUTE_UNUSED, -+ const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED) -+{ -+ return true; -+} -+ -+/* PIC support. */ -+ -+#define PLT_ENTRY_SIZE 16 -+ -+#define PLT_ENTRY_WORD_0 0xb0000000 /* "imm 0". */ -+#define PLT_ENTRY_WORD_1 0xe9940000 /* "lwi r12,r20,0" - relocated to lwi r12,r20,func@GOT. */ -+#define PLT_ENTRY_WORD_1_NOPIC 0xe9800000 /* "lwi r12,r0,0" - non-PIC object. */ -+#define PLT_ENTRY_WORD_2 0x98186000 /* "brad r12". */ -+#define PLT_ENTRY_WORD_3 0x80000000 /* "nop". */ -+ -+/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up -+ shortcuts to them in our hash table. */ -+ -+static bool -+update_local_sym_info (bfd *abfd, -+ Elf_Internal_Shdr *symtab_hdr, -+ unsigned long r_symndx, -+ unsigned int tls_type) -+{ -+ bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd); -+ unsigned char *local_got_tls_masks; -+ -+ if (local_got_refcounts == NULL) -+ { -+ bfd_size_type size = symtab_hdr->sh_info; -+ -+ size *= (sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks)); -+ local_got_refcounts = bfd_zalloc (abfd, size); -+ if (local_got_refcounts == NULL) -+ return false; -+ elf_local_got_refcounts (abfd) = local_got_refcounts; -+ } -+ -+ local_got_tls_masks = -+ (unsigned char *) (local_got_refcounts + symtab_hdr->sh_info); -+ local_got_tls_masks[r_symndx] |= tls_type; -+ local_got_refcounts[r_symndx] += 1; -+ -+ return true; -+} -+/* Look through the relocs for a section during the first phase. */ -+ -+static bool -+microblaze_elf_check_relocs (bfd * abfd, -+ struct bfd_link_info * info, -+ asection * sec, -+ const Elf_Internal_Rela * relocs) -+{ -+ Elf_Internal_Shdr * symtab_hdr; -+ struct elf_link_hash_entry ** sym_hashes; -+ struct elf_link_hash_entry ** sym_hashes_end; -+ const Elf_Internal_Rela * rel; -+ const Elf_Internal_Rela * rel_end; -+ struct elf64_mb_link_hash_table *htab; -+ asection *sreloc = NULL; -+ -+ if (bfd_link_relocatable (info)) -+ return true; -+ -+ htab = elf64_mb_hash_table (info); -+ if (htab == NULL) -+ return false; -+ -+ symtab_hdr = & elf_tdata (abfd)->symtab_hdr; -+ sym_hashes = elf_sym_hashes (abfd); -+ sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf64_External_Sym); -+ if (!elf_bad_symtab (abfd)) -+ sym_hashes_end -= symtab_hdr->sh_info; -+ -+ rel_end = relocs + sec->reloc_count; -+ -+ for (rel = relocs; rel < rel_end; rel++) -+ { -+ unsigned int r_type; -+ struct elf_link_hash_entry * h; -+ unsigned long r_symndx; -+ unsigned char tls_type = 0; -+ -+ r_symndx = ELF64_R_SYM (rel->r_info); -+ r_type = ELF64_R_TYPE (rel->r_info); -+ -+ if (r_symndx < symtab_hdr->sh_info) -+ h = NULL; -+ else -+ { -+ h = sym_hashes [r_symndx - symtab_hdr->sh_info]; -+ while (h->root.type == bfd_link_hash_indirect -+ || h->root.type == bfd_link_hash_warning) -+ h = (struct elf_link_hash_entry *) h->root.u.i.link; -+ /* PR15323, ref flags aren't set for references in the same -+ object. */ -+ h->root.non_ir_ref_regular = 1; -+ } -+ -+ switch (r_type) -+ { -+ /* This relocation describes the C++ object vtable hierarchy. -+ Reconstruct it for later use during GC. */ -+ case R_MICROBLAZE_GNU_VTINHERIT: -+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) -+ return false; -+ break; -+ -+ /* This relocation describes which C++ vtable entries are actually -+ used. Record for later use during GC. */ -+ case R_MICROBLAZE_GNU_VTENTRY: -+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) -+ return false; -+ break; -+ -+ /* This relocation requires .plt entry. */ -+ case R_MICROBLAZE_PLT_64: -+ if (h != NULL) -+ { -+ h->needs_plt = 1; -+ h->plt.refcount += 1; -+ } -+ break; -+ -+ /* This relocation requires .got entry. */ -+ case R_MICROBLAZE_TLSGD: -+ tls_type |= (TLS_TLS | TLS_GD); -+ goto dogottls; -+ case R_MICROBLAZE_TLSLD: -+ tls_type |= (TLS_TLS | TLS_LD); -+ /* Fall through. */ -+ dogottls: -+ sec->has_tls_reloc = 1; -+ /* Fall through. */ -+ case R_MICROBLAZE_GOT_64: -+ if (htab->elf.sgot == NULL) -+ { -+ if (htab->elf.dynobj == NULL) -+ htab->elf.dynobj = abfd; -+ if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) -+ return false; -+ } -+ if (h != NULL) -+ { -+ h->got.refcount += 1; -+ elf64_mb_hash_entry (h)->tls_mask |= tls_type; -+ } -+ else -+ { -+ if (! update_local_sym_info(abfd, symtab_hdr, r_symndx, tls_type) ) -+ return false; -+ } -+ break; -+ -+ case R_MICROBLAZE_GOTOFF_64: -+ case R_MICROBLAZE_GOTOFF_32: -+ if (htab->elf.sgot == NULL) -+ { -+ if (htab->elf.dynobj == NULL) -+ htab->elf.dynobj = abfd; -+ if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) -+ return false; -+ } -+ break; -+ -+ case R_MICROBLAZE_64: -+ case R_MICROBLAZE_64_PCREL: -+ case R_MICROBLAZE_32: -+ case R_MICROBLAZE_IMML_64: -+ { -+ if (h != NULL && !bfd_link_pic (info)) -+ { -+ /* we may need a copy reloc. */ -+ h->non_got_ref = 1; -+ -+ /* we may also need a .plt entry. */ -+ h->plt.refcount += 1; -+ if (ELF64_R_TYPE (rel->r_info) != R_MICROBLAZE_64_PCREL) -+ h->pointer_equality_needed = 1; -+ } -+ -+ -+ /* If we are creating a shared library, and this is a reloc -+ against a global symbol, or a non PC relative reloc -+ against a local symbol, then we need to copy the reloc -+ into the shared library. However, if we are linking with -+ -Bsymbolic, we do not need to copy a reloc against a -+ global symbol which is defined in an object we are -+ including in the link (i.e., DEF_REGULAR is set). At -+ this point we have not seen all the input files, so it is -+ possible that DEF_REGULAR is not set now but will be set -+ later (it is never cleared). In case of a weak definition, -+ DEF_REGULAR may be cleared later by a strong definition in -+ a shared library. We account for that possibility below by -+ storing information in the relocs_copied field of the hash -+ table entry. A similar situation occurs when creating -+ shared libraries and symbol visibility changes render the -+ symbol local. -+ -+ If on the other hand, we are creating an executable, we -+ may need to keep relocations for symbols satisfied by a -+ dynamic library if we manage to avoid copy relocs for the -+ symbol. */ -+ -+ if ((bfd_link_pic (info) -+ && (sec->flags & SEC_ALLOC) != 0 -+ && (r_type != R_MICROBLAZE_64_PCREL -+ || (h != NULL -+ && (! info->symbolic -+ || h->root.type == bfd_link_hash_defweak -+ || !h->def_regular)))) -+ || (!bfd_link_pic (info) -+ && (sec->flags & SEC_ALLOC) != 0 -+ && h != NULL -+ && (h->root.type == bfd_link_hash_defweak -+ || !h->def_regular))) -+ { -+ struct elf64_mb_dyn_relocs *p; -+ struct elf64_mb_dyn_relocs **head; -+ -+ /* When creating a shared object, we must copy these -+ relocs into the output file. We create a reloc -+ section in dynobj and make room for the reloc. */ -+ -+ if (sreloc == NULL) -+ { -+ bfd *dynobj; -+ -+ if (htab->elf.dynobj == NULL) -+ htab->elf.dynobj = abfd; -+ dynobj = htab->elf.dynobj; -+ -+ sreloc = _bfd_elf_make_dynamic_reloc_section (sec, dynobj, -+ 2, abfd, 1); -+ if (sreloc == NULL) -+ return false; -+ } -+ -+ /* If this is a global symbol, we count the number of -+ relocations we need for this symbol. */ -+ if (h != NULL) -+ head = &h->dyn_relocs; -+ else -+ { -+ /* Track dynamic relocs needed for local syms too. -+ We really need local syms available to do this -+ easily. Oh well. */ -+ -+ asection *s; -+ Elf_Internal_Sym *isym; -+ void *vpp; -+ -+ isym = bfd_sym_from_r_symndx (&htab->elf.sym_cache, -+ abfd, r_symndx); -+ if (isym == NULL) -+ return false; -+ -+ s = bfd_section_from_elf_index (abfd, isym->st_shndx); -+ if (s == NULL) -+ return false; -+ -+ vpp = &elf_section_data (s)->local_dynrel; -+ head = (struct elf64_mb_dyn_relocs **) vpp; -+ } -+ -+ p = *head; -+ if (p == NULL || p->sec != sec) -+ { -+ size_t amt = sizeof *p; -+ p = ((struct elf64_mb_dyn_relocs *) -+ bfd_alloc (htab->elf.dynobj, amt)); -+ if (p == NULL) -+ return false; -+ p->next = *head; -+ *head = p; -+ p->sec = sec; -+ p->count = 0; -+ p->pc_count = 0; -+ } -+ -+ p->count += 1; -+ if (r_type == R_MICROBLAZE_64_PCREL) -+ p->pc_count += 1; -+ } -+ } -+ break; -+ } -+ } -+ -+ return true; -+} -+ -+static bool -+microblaze_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) -+{ -+ struct elf64_mb_link_hash_table *htab; -+ -+ htab = elf64_mb_hash_table (info); -+ if (htab == NULL) -+ return false; -+ -+ if (!htab->sgot && !_bfd_elf_create_got_section (dynobj, info)) -+ return false; -+ -+ if (!_bfd_elf_create_dynamic_sections (dynobj, info)) -+ return false; -+ -+ htab->splt = bfd_get_linker_section (dynobj, ".plt"); -+ htab->srelplt = bfd_get_linker_section (dynobj, ".rela.plt"); -+ htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss"); -+ if (!bfd_link_pic (info)) -+ htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss"); -+ -+ if (!htab->splt || !htab->srelplt || !htab->sdynbss -+ || (!bfd_link_pic (info) && !htab->srelbss)) -+ abort (); -+ -+ return true; -+} -+ -+/* Copy the extra info we tack onto an elf_link_hash_entry. */ -+ -+static void -+microblaze_elf_copy_indirect_symbol (struct bfd_link_info *info, -+ struct elf_link_hash_entry *dir, -+ struct elf_link_hash_entry *ind) -+{ -+ struct elf64_mb_link_hash_entry *edir, *eind; -+ -+ edir = (struct elf64_mb_link_hash_entry *) dir; -+ eind = (struct elf64_mb_link_hash_entry *) ind; -+ -+ if (eind->dyn_relocs != NULL) -+ { -+ if (edir->dyn_relocs != NULL) -+ { -+ struct elf64_mb_dyn_relocs **pp; -+ struct elf64_mb_dyn_relocs *p; -+ -+ if (ind->root.type == bfd_link_hash_indirect) -+ abort (); -+ -+ /* Add reloc counts against the weak sym to the strong sym -+ list. Merge any entries against the same section. */ -+ for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) -+ { -+ struct elf64_mb_dyn_relocs *q; -+ -+ for (q = edir->dyn_relocs; q != NULL; q = q->next) -+ if (q->sec == p->sec) -+ { -+ q->pc_count += p->pc_count; -+ q->count += p->count; -+ *pp = p->next; -+ break; -+ } -+ if (q == NULL) -+ pp = &p->next; -+ } -+ *pp = edir->dyn_relocs; -+ } -+ -+ edir->dyn_relocs = eind->dyn_relocs; -+ eind->dyn_relocs = NULL; -+ } -+ -+ edir->tls_mask |= eind->tls_mask; -+ -+ _bfd_elf_link_hash_copy_indirect (info, dir, ind); -+} -+ -+static bool -+microblaze_elf_adjust_dynamic_symbol (struct bfd_link_info *info, -+ struct elf_link_hash_entry *h) -+{ -+ struct elf64_mb_link_hash_table *htab; -+ struct elf64_mb_link_hash_entry * eh; -+ struct elf64_mb_dyn_relocs *p; -+ asection *sdynbss; -+ asection *s, *srel; -+ unsigned int power_of_two; -+ bfd *dynobj; -+ -+ htab = elf64_mb_hash_table (info); -+ if (htab == NULL) -+ return false; -+ -+ /* If this is a function, put it in the procedure linkage table. We -+ will fill in the contents of the procedure linkage table later, -+ when we know the address of the .got section. */ -+ if (h->type == STT_FUNC -+ || h->needs_plt) -+ { -+ if (h->plt.refcount <= 0 -+ || SYMBOL_CALLS_LOCAL (info, h) -+ || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT -+ && h->root.type == bfd_link_hash_undefweak)) -+ { -+ /* This case can occur if we saw a PLT reloc in an input -+ file, but the symbol was never referred to by a dynamic -+ object, or if all references were garbage collected. In -+ such a case, we don't actually need to build a procedure -+ linkage table, and we can just do a PC32 reloc instead. */ -+ h->plt.offset = (bfd_vma) -1; -+ h->needs_plt = 0; -+ } -+ -+ return true; -+ } -+ else -+ /* It's possible that we incorrectly decided a .plt reloc was -+ needed for an R_MICROBLAZE_64_PCREL reloc to a non-function sym in -+ check_relocs. We can't decide accurately between function and -+ non-function syms in check-relocs; Objects loaded later in -+ the link may change h->type. So fix it now. */ -+ h->plt.offset = (bfd_vma) -1; -+ -+ /* If this is a weak symbol, and there is a real definition, the -+ processor independent code will have arranged for us to see the -+ real definition first, and we can just use the same value. */ -+ if (h->is_weakalias) -+ { -+ struct elf_link_hash_entry *def = weakdef (h); -+ BFD_ASSERT (def->root.type == bfd_link_hash_defined); -+ h->root.u.def.section = def->root.u.def.section; -+ h->root.u.def.value = def->root.u.def.value; -+ return true; -+ } -+ -+ /* This is a reference to a symbol defined by a dynamic object which -+ is not a function. */ -+ -+ /* If we are creating a shared library, we must presume that the -+ only references to the symbol are via the global offset table. -+ For such cases we need not do anything here; the relocations will -+ be handled correctly by relocate_section. */ -+ if (bfd_link_pic (info)) -+ return true; -+ -+ /* If there are no references to this symbol that do not use the -+ GOT, we don't need to generate a copy reloc. */ -+ if (!h->non_got_ref) -+ return true; -+ -+ /* If -z nocopyreloc was given, we won't generate them either. */ -+ if (info->nocopyreloc) -+ { -+ h->non_got_ref = 0; -+ return true; -+ } -+ -+ eh = (struct elf64_mb_link_hash_entry *) h; -+ for (p = eh->dyn_relocs; p != NULL; p = p->next) -+ { -+ s = p->sec->output_section; -+ if (s != NULL && (s->flags & SEC_READONLY) != 0) -+ break; -+ } -+ -+ /* If we didn't find any dynamic relocs in read-only sections, then -+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */ -+ if (p == NULL) -+ { -+ h->non_got_ref = 0; -+ return true; -+ } -+ -+ /* We must allocate the symbol in our .dynbss section, which will -+ become part of the .bss section of the executable. There will be -+ an entry for this symbol in the .dynsym section. The dynamic -+ object will contain position independent code, so all references -+ from the dynamic object to this symbol will go through the global -+ offset table. The dynamic linker will use the .dynsym entry to -+ determine the address it must put in the global offset table, so -+ both the dynamic object and the regular object will refer to the -+ same memory location for the variable. */ -+ -+ /* We must generate a R_MICROBLAZE_COPY reloc to tell the dynamic linker -+ to copy the initial value out of the dynamic object and into the -+ runtime process image. */ -+ dynobj = elf_hash_table (info)->dynobj; -+ BFD_ASSERT (dynobj != NULL); -+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) -+ { -+ htab->srelbss->size += sizeof (Elf64_External_Rela); -+ h->needs_copy = 1; -+ } -+ -+ /* We need to figure out the alignment required for this symbol. I -+ have no idea how ELF linkers handle this. */ -+ power_of_two = bfd_log2 (h->size); -+ if (power_of_two > 3) -+ power_of_two = 3; -+ -+ sdynbss = htab->sdynbss; -+ /* Apply the required alignment. */ -+ sdynbss->size = BFD_ALIGN (sdynbss->size, (bfd_size_type) (1 << power_of_two)); -+ if (power_of_two > sdynbss->alignment_power) -+ { -+ if (! bfd_set_section_alignment (sdynbss, power_of_two)) -+ return false; -+ } -+ -+ /* Define the symbol as being at this point in the section. */ -+ h->root.u.def.section = s; -+ h->root.u.def.value = s->size; -+ -+ /* Increment the section size to make room for the symbol. */ -+ s->size += h->size; -+ return true; -+} -+ -+/* Allocate space in .plt, .got and associated reloc sections for -+ dynamic relocs. */ -+ -+static bool -+allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat) -+{ -+ struct bfd_link_info *info; -+ struct elf64_mb_link_hash_table *htab; -+ struct elf64_mb_link_hash_entry *eh; -+ struct elf64_mb_dyn_relocs *p; -+ -+ if (h->root.type == bfd_link_hash_indirect) -+ return true; -+ -+ info = (struct bfd_link_info *) dat; -+ htab = elf64_mb_hash_table (info); -+ if (htab == NULL) -+ return false; -+ -+ if (htab->elf.dynamic_sections_created -+ && h->plt.refcount > 0) -+ { -+ /* Make sure this symbol is output as a dynamic symbol. -+ Undefined weak syms won't yet be marked as dynamic. */ -+ if (h->dynindx == -1 -+ && !h->forced_local) -+ { -+ if (! bfd_elf_link_record_dynamic_symbol (info, h)) -+ return false; -+ } -+ -+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) -+ { -+ asection *s = htab->elf.splt; -+ -+ /* The first entry in .plt is reserved. */ -+ if (s->size == 0) -+ s->size = PLT_ENTRY_SIZE; -+ -+ h->plt.offset = s->size; -+ -+ /* If this symbol is not defined in a regular file, and we are -+ not generating a shared library, then set the symbol to this -+ location in the .plt. This is required to make function -+ pointers compare as equal between the normal executable and -+ the shared library. */ -+ if (! bfd_link_pic (info) -+ && !h->def_regular) -+ { -+ h->root.u.def.section = s; -+ h->root.u.def.value = h->plt.offset; -+ } -+ -+ /* Make room for this entry. */ -+ s->size += PLT_ENTRY_SIZE; -+ -+ /* We also need to make an entry in the .got.plt section, which -+ will be placed in the .got section by the linker script. */ -+ htab->elf.sgotplt->size += 4; -+ -+ /* We also need to make an entry in the .rel.plt section. */ -+ htab->elf.srelplt->size += sizeof (Elf64_External_Rela); -+ } -+ else -+ { -+ h->plt.offset = (bfd_vma) -1; -+ h->needs_plt = 0; -+ } -+ } -+ else -+ { -+ h->plt.offset = (bfd_vma) -1; -+ h->needs_plt = 0; -+ } -+ -+ eh = (struct elf64_mb_link_hash_entry *) h; -+ if (h->got.refcount > 0) -+ { -+ unsigned int need; -+ asection *s; -+ -+ /* Make sure this symbol is output as a dynamic symbol. -+ Undefined weak syms won't yet be marked as dynamic. */ -+ if (h->dynindx == -1 -+ && !h->forced_local) -+ { -+ if (! bfd_elf_link_record_dynamic_symbol (info, h)) -+ return false; -+ } -+ -+ need = 0; -+ if ((eh->tls_mask & TLS_TLS) != 0) -+ { -+ /* Handle TLS Symbol */ -+ if ((eh->tls_mask & TLS_LD) != 0) -+ { -+ if (!eh->elf.def_dynamic) -+ /* We'll just use htab->tlsld_got.offset. This should -+ always be the case. It's a little odd if we have -+ a local dynamic reloc against a non-local symbol. */ -+ htab->tlsld_got.refcount += 1; -+ else -+ need += 8; -+ } -+ if ((eh->tls_mask & TLS_GD) != 0) -+ need += 8; -+ } -+ else -+ { -+ /* Regular (non-TLS) symbol */ -+ need += 4; -+ } -+ if (need == 0) -+ { -+ h->got.offset = (bfd_vma) -1; -+ } -+ else -+ { -+ s = htab->elf.sgot; -+ h->got.offset = s->size; -+ s->size += need; -+ htab->elf.srelgot->size += need * (sizeof (Elf64_External_Rela) / 4); -+ } -+ } -+ else -+ h->got.offset = (bfd_vma) -1; -+ -+ if (eh->dyn_relocs == NULL) -+ return true; -+ -+ /* In the shared -Bsymbolic case, discard space allocated for -+ dynamic pc-relative relocs against symbols which turn out to be -+ defined in regular objects. For the normal shared case, discard -+ space for pc-relative relocs that have become local due to symbol -+ visibility changes. */ -+ -+ if (bfd_link_pic (info)) -+ { -+ if (h->def_regular -+ && (h->forced_local -+ || info->symbolic)) -+ { -+ struct elf64_mb_dyn_relocs **pp; -+ -+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) -+ { -+ p->count -= p->pc_count; -+ p->pc_count = 0; -+ if (p->count == 0) -+ *pp = p->next; -+ else -+ pp = &p->next; -+ } -+ } -+ else if (UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)) -+ h->dyn_relocs = NULL; -+ } -+ else -+ { -+ /* For the non-shared case, discard space for relocs against -+ symbols which turn out to need copy relocs or are not -+ dynamic. */ -+ -+ if (!h->non_got_ref -+ && ((h->def_dynamic -+ && !h->def_regular) -+ || (htab->elf.dynamic_sections_created -+ && (h->root.type == bfd_link_hash_undefweak -+ || h->root.type == bfd_link_hash_undefined)))) -+ { -+ /* Make sure this symbol is output as a dynamic symbol. -+ Undefined weak syms won't yet be marked as dynamic. */ -+ if (h->dynindx == -1 -+ && !h->forced_local) -+ { -+ if (! bfd_elf_link_record_dynamic_symbol (info, h)) -+ return false; -+ } -+ -+ /* If that succeeded, we know we'll be keeping all the -+ relocs. */ -+ if (h->dynindx != -1) -+ goto keep; -+ } -+ -+ h->dyn_relocs = NULL; -+ -+ keep: ; -+ } -+ -+ /* Finally, allocate space. */ -+ for (p = h->dyn_relocs; p != NULL; p = p->next) -+ { -+ asection *sreloc = elf_section_data (p->sec)->sreloc; -+ sreloc->size += p->count * sizeof (Elf64_External_Rela); -+ } -+ -+ return true; -+} -+ -+/* Set the sizes of the dynamic sections. */ -+ -+static bool -+microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, -+ struct bfd_link_info *info) -+{ -+ struct elf64_mb_link_hash_table *htab; -+ bfd *dynobj; -+ asection *s; -+ bfd *ibfd; -+ -+ htab = elf64_mb_hash_table (info); -+ if (htab == NULL) -+ return false; -+ -+ dynobj = htab->elf.dynobj; -+ BFD_ASSERT (dynobj != NULL); -+ -+ /* Set up .got offsets for local syms, and space for local dynamic -+ relocs. */ -+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) -+ { -+ bfd_signed_vma *local_got; -+ bfd_signed_vma *end_local_got; -+ bfd_size_type locsymcount; -+ Elf_Internal_Shdr *symtab_hdr; -+ unsigned char *lgot_masks; -+ asection *srel; -+ -+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) -+ continue; -+ -+ for (s = ibfd->sections; s != NULL; s = s->next) -+ { -+ struct elf_dyn_relocs *p; -+ -+ for (p = ((struct elf64_mb_dyn_relocs *) -+ elf_section_data (s)->local_dynrel); -+ p != NULL; -+ p = p->next) -+ { -+ if (!bfd_is_abs_section (p->sec) -+ && bfd_is_abs_section (p->sec->output_section)) -+ { -+ /* Input section has been discarded, either because -+ it is a copy of a linkonce section or due to -+ linker script /DISCARD/, so we'll be discarding -+ the relocs too. */ -+ } -+ else if (p->count != 0) -+ { -+ srel = elf_section_data (p->sec)->sreloc; -+ srel->size += p->count * sizeof (Elf64_External_Rela); -+ if ((p->sec->output_section->flags & SEC_READONLY) != 0) -+ info->flags |= DF_TEXTREL; -+ } -+ } -+ } -+ -+ local_got = elf_local_got_refcounts (ibfd); -+ if (!local_got) -+ continue; -+ -+ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; -+ locsymcount = symtab_hdr->sh_info; -+ end_local_got = local_got + locsymcount; -+ lgot_masks = (unsigned char *) end_local_got; -+ s = htab->elf.sgot; -+ srel = htab->elf.srelgot; -+ -+ for (; local_got < end_local_got; ++local_got, ++lgot_masks) -+ { -+ if (*local_got > 0) -+ { -+ unsigned int need = 0; -+ if ((*lgot_masks & TLS_TLS) != 0) -+ { -+ if ((*lgot_masks & TLS_GD) != 0) -+ need += 8; -+ if ((*lgot_masks & TLS_LD) != 0) -+ htab->tlsld_got.refcount += 1; -+ } -+ else -+ need += 4; -+ -+ if (need == 0) -+ { -+ *local_got = (bfd_vma) -1; -+ } -+ else -+ { -+ *local_got = s->size; -+ s->size += need; -+ if (bfd_link_pic (info)) -+ srel->size += need * (sizeof (Elf64_External_Rela) / 4); -+ } -+ } -+ else -+ *local_got = (bfd_vma) -1; -+ } -+ } -+ -+ /* Allocate global sym .plt and .got entries, and space for global -+ sym dynamic relocs. */ -+ elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info); -+ -+ if (htab->tlsld_got.refcount > 0) -+ { -+ htab->tlsld_got.offset = htab->elf.sgot->size; -+ htab->elf.sgot->size += 8; -+ if (bfd_link_pic (info)) -+ htab->elf.srelgot->size += sizeof (Elf64_External_Rela); -+ } -+ else -+ htab->tlsld_got.offset = (bfd_vma) -1; -+ -+ if (elf_hash_table (info)->dynamic_sections_created) -+ { -+ /* Make space for the trailing nop in .plt. */ -+ if (htab->elf.splt->size > 0) -+ htab->elf.splt->size += 4; -+ } -+ -+ /* The check_relocs and adjust_dynamic_symbol entry points have -+ determined the sizes of the various dynamic sections. Allocate -+ memory for them. */ -+ for (s = dynobj->sections; s != NULL; s = s->next) -+ { -+ const char *name; -+ bool strip = false; -+ -+ if ((s->flags & SEC_LINKER_CREATED) == 0) -+ continue; -+ -+ /* It's OK to base decisions on the section name, because none -+ of the dynobj section names depend upon the input files. */ -+ name = bfd_section_name (s); -+ -+ if (startswith (name, ".rela")) -+ { -+ if (s->size == 0) -+ { -+ /* If we don't need this section, strip it from the -+ output file. This is to handle .rela.bss and -+ .rela.plt. We must create it in -+ create_dynamic_sections, because it must be created -+ before the linker maps input sections to output -+ sections. The linker does that before -+ adjust_dynamic_symbol is called, and it is that -+ function which decides whether anything needs to go -+ into these sections. */ -+ strip = true; -+ } -+ else -+ { -+ /* We use the reloc_count field as a counter if we need -+ to copy relocs into the output file. */ -+ s->reloc_count = 0; -+ } -+ } -+ else if (s != htab->elf.splt -+ && s != htab->elf.sgot -+ && s != htab->elf.sgotplt -+ && s != htab->elf.sdynbss -+ && s != htab->elf.sdynrelro) -+ { -+ /* It's not one of our sections, so don't allocate space. */ -+ continue; -+ } -+ -+ if (strip) -+ { -+ s->flags |= SEC_EXCLUDE; -+ continue; -+ } -+ -+ /* Allocate memory for the section contents. */ -+ /* FIXME: This should be a call to bfd_alloc not bfd_zalloc. -+ Unused entries should be reclaimed before the section's contents -+ are written out, but at the moment this does not happen. Thus in -+ order to prevent writing out garbage, we initialise the section's -+ contents to zero. */ -+ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); -+ if (s->contents == NULL && s->size != 0) -+ return false; -+ } -+ -+ /* ??? Force DF_BIND_NOW? */ -+ info->flags |= DF_BIND_NOW; -+ return _bfd_elf_add_dynamic_tags (output_bfd, info, true); -+} -+ -+/* Finish up dynamic symbol handling. We set the contents of various -+ dynamic sections here. */ -+ -+static bool -+microblaze_elf_finish_dynamic_symbol (bfd *output_bfd, -+ struct bfd_link_info *info, -+ struct elf_link_hash_entry *h, -+ Elf_Internal_Sym *sym) -+{ -+ struct elf64_mb_link_hash_table *htab; -+ struct elf64_mb_link_hash_entry *eh = elf64_mb_hash_entry(h); -+ -+ htab = elf64_mb_hash_table (info); -+ if (htab == NULL) -+ return false; -+ -+ if (h->plt.offset != (bfd_vma) -1) -+ { -+ asection *splt; -+ asection *srela; -+ asection *sgotplt; -+ Elf_Internal_Rela rela; -+ bfd_byte *loc; -+ bfd_vma plt_index; -+ bfd_vma got_offset; -+ bfd_vma got_addr; -+ -+ /* This symbol has an entry in the procedure linkage table. Set -+ it up. */ -+ BFD_ASSERT (h->dynindx != -1); -+ -+ splt = htab->elf.splt; -+ srela = htab->elf.srelplt; -+ sgotplt = htab->elf.sgotplt; -+ BFD_ASSERT (splt != NULL && srela != NULL && sgotplt != NULL); -+ -+ plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; /* first entry reserved. */ -+ got_offset = (plt_index + 3) * 4; /* 3 reserved ??? */ -+ got_addr = got_offset; -+ -+ /* For non-PIC objects we need absolute address of the GOT entry. */ -+ if (!bfd_link_pic (info)) -+ got_addr += sgotplt->output_section->vma + sgotplt->output_offset; -+ -+ /* Fill in the entry in the procedure linkage table. */ -+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_0 + ((got_addr >> 16) & 0xffff), -+ splt->contents + h->plt.offset); -+ if (bfd_link_pic (info)) -+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1 + (got_addr & 0xffff), -+ splt->contents + h->plt.offset + 4); -+ else -+ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1_NOPIC + (got_addr & 0xffff), -+ splt->contents + h->plt.offset + 4); -+ bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD_2, -+ splt->contents + h->plt.offset + 8); -+ bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD_3, -+ splt->contents + h->plt.offset + 12); -+ -+ /* Any additions to the .got section??? */ -+ /* bfd_put_32 (output_bfd, -+ splt->output_section->vma + splt->output_offset + h->plt.offset + 4, -+ sgotplt->contents + got_offset); */ -+ -+ /* Fill in the entry in the .rela.plt section. */ -+ rela.r_offset = (sgotplt->output_section->vma -+ + sgotplt->output_offset -+ + got_offset); -+ rela.r_info = ELF64_R_INFO (h->dynindx, R_MICROBLAZE_JUMP_SLOT); -+ rela.r_addend = 0; -+ loc = srela->contents; -+ loc += plt_index * sizeof (Elf64_External_Rela); -+ bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); -+ -+ if (!h->def_regular) -+ { -+ /* Mark the symbol as undefined, rather than as defined in -+ the .plt section. Zero the value. */ -+ sym->st_shndx = SHN_UNDEF; -+ sym->st_value = 0; -+ } -+ } -+ -+ /* h->got.refcount to be checked ? */ -+ if (h->got.offset != (bfd_vma) -1 && -+ ! ((h->got.offset & 1) || -+ IS_TLS_LD(eh->tls_mask) || IS_TLS_GD(eh->tls_mask))) -+ { -+ asection *sgot; -+ asection *srela; -+ bfd_vma offset; -+ -+ /* This symbol has an entry in the global offset table. Set it -+ up. */ -+ -+ sgot = htab->elf.sgot; -+ srela = htab->elf.srelgot; -+ BFD_ASSERT (sgot != NULL && srela != NULL); -+ -+ offset = (sgot->output_section->vma + sgot->output_offset -+ + (h->got.offset &~ (bfd_vma) 1)); -+ -+ /* If this is a -Bsymbolic link, and the symbol is defined -+ locally, we just want to emit a RELATIVE reloc. Likewise if -+ the symbol was forced to be local because of a version file. -+ The entry in the global offset table will already have been -+ initialized in the relocate_section function. */ -+ if (bfd_link_pic (info) -+ && ((info->symbolic && h->def_regular) -+ || h->dynindx == -1)) -+ { -+ asection *sec = h->root.u.def.section; -+ bfd_vma value; -+ -+ value = h->root.u.def.value; -+ if (sec->output_section != NULL) -+ /* PR 21180: If the output section is NULL, then the symbol is no -+ longer needed, and in theory the GOT entry is redundant. But -+ it is too late to change our minds now... */ -+ value += sec->output_section->vma + sec->output_offset; -+ -+ microblaze_elf_output_dynamic_relocation (output_bfd, -+ srela, srela->reloc_count++, -+ /* symindex= */ 0, -+ R_MICROBLAZE_REL, offset, -+ value); -+ } -+ else -+ { -+ microblaze_elf_output_dynamic_relocation (output_bfd, -+ srela, srela->reloc_count++, -+ h->dynindx, -+ R_MICROBLAZE_GLOB_DAT, -+ offset, 0); -+ } -+ -+ bfd_put_32 (output_bfd, (bfd_vma) 0, -+ sgot->contents + (h->got.offset &~ (bfd_vma) 1)); -+ } -+ -+ if (h->needs_copy) -+ { -+ asection *s; -+ Elf_Internal_Rela rela; -+ bfd_byte *loc; -+ -+ /* This symbols needs a copy reloc. Set it up. */ -+ -+ BFD_ASSERT (h->dynindx != -1); -+ -+ rela.r_offset = (h->root.u.def.value -+ + h->root.u.def.section->output_section->vma -+ + h->root.u.def.section->output_offset); -+ rela.r_info = ELF64_R_INFO (h->dynindx, R_MICROBLAZE_COPY); -+ rela.r_addend = 0; -+ if (h->root.u.def.section == htab->elf.sdynrelro) -+ s = htab->elf.sreldynrelro; -+ else -+ s = htab->elf.srelbss; -+ loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela); -+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); -+ } -+ -+ /* Mark some specially defined symbols as absolute. */ -+ if (h == htab->elf.hdynamic -+ || h == htab->elf.hgot -+ || h == htab->elf.hplt) -+ sym->st_shndx = SHN_ABS; -+ -+ return true; -+} -+ -+ -+/* Finish up the dynamic sections. */ -+ -+static bool -+microblaze_elf_finish_dynamic_sections (bfd *output_bfd, -+ struct bfd_link_info *info) -+{ -+ bfd *dynobj; -+ asection *sdyn, *sgot; -+ struct elf64_mb_link_hash_table *htab; -+ -+ htab = elf64_mb_hash_table (info); -+ if (htab == NULL) -+ return false; -+ -+ dynobj = htab->elf.dynobj; -+ -+ sdyn = bfd_get_linker_section (dynobj, ".dynamic"); -+ -+ if (htab->elf.dynamic_sections_created) -+ { -+ asection *splt; -+ Elf64_External_Dyn *dyncon, *dynconend; -+ -+ dyncon = (Elf64_External_Dyn *) sdyn->contents; -+ dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); -+ for (; dyncon < dynconend; dyncon++) -+ { -+ Elf_Internal_Dyn dyn; -+ asection *s; -+ bool size; -+ -+ bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); -+ -+ switch (dyn.d_tag) -+ { -+ case DT_PLTGOT: -+ s = htab->elf.sgotplt; -+ size = false; -+ break; -+ -+ case DT_PLTRELSZ: -+ s = htab->elf.srelplt; -+ size = true; -+ break; -+ -+ case DT_JMPREL: -+ s = htab->elf.srelplt; -+ size = false; -+ break; -+ -+ default: -+ continue; -+ } -+ -+ if (s == NULL) -+ dyn.d_un.d_val = 0; -+ else -+ { -+ if (!size) -+ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; -+ else -+ dyn.d_un.d_val = s->size; -+ } -+ bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); -+ } -+ -+ splt = htab->elf.splt; -+ BFD_ASSERT (splt != NULL && sdyn != NULL); -+ -+ /* Clear the first entry in the procedure linkage table, -+ and put a nop in the last four bytes. */ -+ if (splt->size > 0) -+ { -+ memset (splt->contents, 0, PLT_ENTRY_SIZE); -+ bfd_put_32 (output_bfd, (bfd_vma) 0x80000000 /* nop. */, -+ splt->contents + splt->size - 4); -+ -+ if (splt->output_section != bfd_abs_section_ptr) -+ elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; -+ } -+ } -+ -+ /* Set the first entry in the global offset table to the address of -+ the dynamic section. */ -+ sgot = htab->elf.sgotplt; -+ if (sgot && sgot->size > 0) -+ { -+ if (sdyn == NULL) -+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); -+ else -+ bfd_put_32 (output_bfd, -+ sdyn->output_section->vma + sdyn->output_offset, -+ sgot->contents); -+ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; -+ } -+ -+ if (htab->elf.sgot && htab->elf.sgot->size > 0) -+ elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize = 4; -+ -+ return true; -+} -+ -+/* Hook called by the linker routine which adds symbols from an object -+ file. We use it to put .comm items in .sbss, and not .bss. */ -+ -+static bool -+microblaze_elf_add_symbol_hook (bfd *abfd, -+ struct bfd_link_info *info, -+ Elf_Internal_Sym *sym, -+ const char **namep ATTRIBUTE_UNUSED, -+ flagword *flagsp ATTRIBUTE_UNUSED, -+ asection **secp, -+ bfd_vma *valp) -+{ -+ if (sym->st_shndx == SHN_COMMON -+ && !bfd_link_relocatable (info) -+ && sym->st_size <= elf_gp_size (abfd)) -+ { -+ /* Common symbols less than or equal to -G nn bytes are automatically -+ put into .sbss. */ -+ *secp = bfd_make_section_old_way (abfd, ".sbss"); -+ if (*secp == NULL -+ || !bfd_set_section_flags (*secp, SEC_IS_COMMON | SEC_SMALL_DATA)) -+ return false; -+ -+ *valp = sym->st_size; -+ } -+ -+ return true; -+} -+ -+#define TARGET_LITTLE_SYM microblaze_elf64_le_vec -+#define TARGET_LITTLE_NAME "elf64-microblazeel" -+ -+#define TARGET_BIG_SYM microblaze_elf64_vec -+#define TARGET_BIG_NAME "elf64-microblaze" -+ -+#define ELF_ARCH bfd_arch_microblaze -+#define ELF_TARGET_ID MICROBLAZE_ELF_DATA -+#define ELF_MACHINE_CODE EM_MICROBLAZE -+#define ELF_MACHINE_ALT1 EM_MICROBLAZE_OLD -+#define ELF_MAXPAGESIZE 0x1000 -+#define elf_info_to_howto microblaze_elf_info_to_howto -+#define elf_info_to_howto_rel NULL -+ -+#define bfd_elf64_bfd_reloc_type_lookup microblaze_elf_reloc_type_lookup -+#define bfd_elf64_bfd_is_local_label_name microblaze_elf_is_local_label_name -+#define bfd_elf64_new_section_hook microblaze_elf_new_section_hook -+#define elf_backend_relocate_section microblaze_elf_relocate_section -+#define bfd_elf64_bfd_relax_section microblaze_elf_relax_section -+#define bfd_elf64_bfd_merge_private_bfd_data microblaze_elf_merge_private_bfd_data -+#define bfd_elf64_bfd_reloc_name_lookup microblaze_elf_reloc_name_lookup -+ -+#define elf_backend_gc_mark_hook microblaze_elf_gc_mark_hook -+#define elf_backend_gc_sweep_hook microblaze_elf_gc_sweep_hook -+#define elf_backend_check_relocs microblaze_elf_check_relocs -+#define elf_backend_copy_indirect_symbol microblaze_elf_copy_indirect_symbol -+#define bfd_elf64_bfd_link_hash_table_create microblaze_elf_link_hash_table_create -+#define elf_backend_can_gc_sections 1 -+#define elf_backend_can_refcount 1 -+#define elf_backend_want_got_plt 1 -+#define elf_backend_plt_readonly 1 -+#define elf_backend_got_header_size 12 -+#define elf_backend_want_dynrelro 1 -+#define elf_backend_rela_normal 1 -+#define elf_backend_dtrel_excludes_plt 1 -+ -+#define elf_backend_adjust_dynamic_symbol microblaze_elf_adjust_dynamic_symbol -+#define elf_backend_create_dynamic_sections microblaze_elf_create_dynamic_sections -+#define elf_backend_finish_dynamic_sections microblaze_elf_finish_dynamic_sections -+#define elf_backend_finish_dynamic_symbol microblaze_elf_finish_dynamic_symbol -+#define elf_backend_size_dynamic_sections microblaze_elf_size_dynamic_sections -+#define elf_backend_add_symbol_hook microblaze_elf_add_symbol_hook -+ -+#include "elf64-target.h" -diff --git a/bfd/libbfd.h b/bfd/libbfd.h -index 6e62e556962..ef5568a78b0 100644 ---- a/bfd/libbfd.h -+++ b/bfd/libbfd.h -@@ -2992,6 +2992,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", - "BFD_RELOC_MICROBLAZE_32_ROSDA", - "BFD_RELOC_MICROBLAZE_32_RWSDA", - "BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM", -+ "BFD_RELOC_MICROBLAZE_32_NONE", - "BFD_RELOC_MICROBLAZE_64_NONE", - "BFD_RELOC_MICROBLAZE_64_GOTPC", - "BFD_RELOC_MICROBLAZE_64_GOT", -@@ -2999,6 +3000,8 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", - "BFD_RELOC_MICROBLAZE_64_GOTOFF", - "BFD_RELOC_MICROBLAZE_32_GOTOFF", - "BFD_RELOC_MICROBLAZE_COPY", -+ "BFD_RELOC_MICROBLAZE_64", -+ "BFD_RELOC_MICROBLAZE_64_PCREL", - "BFD_RELOC_MICROBLAZE_64_TLS", - "BFD_RELOC_MICROBLAZE_64_TLSGD", - "BFD_RELOC_MICROBLAZE_64_TLSLD", -diff --git a/bfd/reloc.c b/bfd/reloc.c -index 164060361a9..e733e2397f4 100644 ---- a/bfd/reloc.c -+++ b/bfd/reloc.c -@@ -6898,6 +6898,12 @@ ENUM - ENUMDOC - This is a 32 bit reloc for the microblaze to handle - expressions of the form "Symbol Op Symbol" -+ENUM -+ BFD_RELOC_MICROBLAZE_32_NONE -+ENUMDOC -+ This is a 32 bit reloc that stores the 32 bit pc relative -+ value in two words (with an imm instruction). No relocation is -+ done here - only used for relaxing - ENUM - BFD_RELOC_MICROBLAZE_64_NONE - ENUMDOC -@@ -6991,6 +6997,20 @@ ENUMDOC - value in two words (with an imm instruction). The relocation is - relative offset from start of TEXT. - -+ This is a 64 bit reloc that stores 64-bit thread pointer relative offset -+ to two words (uses imml instruction). -+ENUM -+BFD_RELOC_MICROBLAZE_64, -+ENUMDOC -+ This is a 64 bit reloc that stores the 64 bit pc relative -+ value in two words (with an imml instruction). No relocation is -+ done here - only used for relaxing -+ENUM -+BFD_RELOC_MICROBLAZE_64_PCREL, -+ENUMDOC -+ This is a 32 bit reloc that stores the 32 bit pc relative -+ value in two words (with an imml instruction). No relocation is -+ done here - only used for relaxing - ENUM - BFD_RELOC_AARCH64_RELOC_START - ENUMDOC -diff --git a/bfd/targets.c b/bfd/targets.c -index 417743efc0e..333f05c55f4 100644 ---- a/bfd/targets.c -+++ b/bfd/targets.c -@@ -795,6 +795,8 @@ extern const bfd_target mep_elf32_le_vec; - extern const bfd_target metag_elf32_vec; - extern const bfd_target microblaze_elf32_vec; - extern const bfd_target microblaze_elf32_le_vec; -+extern const bfd_target microblaze_elf64_vec; -+extern const bfd_target microblaze_elf64_le_vec; - extern const bfd_target mips_ecoff_be_vec; - extern const bfd_target mips_ecoff_le_vec; - extern const bfd_target mips_ecoff_bele_vec; -@@ -1165,6 +1167,10 @@ static const bfd_target * const _bfd_target_vector[] = - - &metag_elf32_vec, - -+#ifdef BFD64 -+ µblaze_elf64_vec, -+ µblaze_elf64_le_vec, -+#endif - µblaze_elf32_vec, - - &mips_ecoff_be_vec, -diff --git a/gdb/features/Makefile b/gdb/features/Makefile -index fc3196864c9..1bb198abfd3 100644 ---- a/gdb/features/Makefile -+++ b/gdb/features/Makefile -@@ -101,7 +101,9 @@ OUTPUTS = $(patsubst %,$(outdir)/%.dat,$(WHICH)) - # to make on the command line. - XMLTOC = \ - microblaze-with-stack-protect.xml \ -+ microblaze64-with-stack-protect.xml \ - microblaze.xml \ -+ microblaze64.xml \ - mips-dsp-linux.xml \ - mips-linux.xml \ - mips64-dsp-linux.xml \ -diff --git a/gdb/features/microblaze-core.xml b/gdb/features/microblaze-core.xml -index 29fdd6c0a2f..a5c3cce069d 100644 ---- a/gdb/features/microblaze-core.xml -+++ b/gdb/features/microblaze-core.xml -@@ -8,7 +8,7 @@ - - - -- -+ - - - -@@ -39,7 +39,7 @@ - - - -- -+ - - - -@@ -64,4 +64,6 @@ - - - -+ -+ - -diff --git a/gdb/features/microblaze-stack-protect.xml b/gdb/features/microblaze-stack-protect.xml -index aac51ea471c..722a51f0df5 100644 ---- a/gdb/features/microblaze-stack-protect.xml -+++ b/gdb/features/microblaze-stack-protect.xml -@@ -7,6 +7,6 @@ - - - -- -- -+ -+ - -diff --git a/gdb/features/microblaze-with-stack-protect.c b/gdb/features/microblaze-with-stack-protect.c -index aa180bf35d5..6a9e74c7a6f 100644 ---- a/gdb/features/microblaze-with-stack-protect.c -+++ b/gdb/features/microblaze-with-stack-protect.c -@@ -14,7 +14,7 @@ initialize_tdesc_microblaze_with_stack_protect (void) - - feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.core"); - tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int"); -- tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "data_ptr"); -+ tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int"); -@@ -45,7 +45,7 @@ initialize_tdesc_microblaze_with_stack_protect (void) - tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "int"); -- tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "code_ptr"); -+ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "rear", 34, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); -@@ -72,8 +72,8 @@ initialize_tdesc_microblaze_with_stack_protect (void) - tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); - - feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.stack-protect"); -- tdesc_create_reg (feature, "rslr", 57, 1, NULL, 32, "int"); -- tdesc_create_reg (feature, "rshr", 58, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "slr", 57, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "shr", 58, 1, NULL, 32, "int"); - - tdesc_microblaze_with_stack_protect = result.release (); - } -diff --git a/gdb/features/microblaze.c b/gdb/features/microblaze.c -index ef2c64c720e..201232dff83 100644 ---- a/gdb/features/microblaze.c -+++ b/gdb/features/microblaze.c -@@ -14,7 +14,7 @@ initialize_tdesc_microblaze (void) - - feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.core"); - tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int"); -- tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "data_ptr"); -+ tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int"); -@@ -45,7 +45,7 @@ initialize_tdesc_microblaze (void) - tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "int"); -- tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "code_ptr"); -+ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "rear", 34, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); -@@ -70,6 +70,8 @@ initialize_tdesc_microblaze (void) - tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); - tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); - - tdesc_microblaze = result.release (); - } -diff --git a/gdb/features/microblaze64-core.xml b/gdb/features/microblaze64-core.xml -new file mode 100644 -index 00000000000..96e99e2fb24 ---- /dev/null -+++ b/gdb/features/microblaze64-core.xml -@@ -0,0 +1,69 @@ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -diff --git a/gdb/features/microblaze64-stack-protect.xml b/gdb/features/microblaze64-stack-protect.xml -new file mode 100644 -index 00000000000..1bbf5fc3cea ---- /dev/null -+++ b/gdb/features/microblaze64-stack-protect.xml -@@ -0,0 +1,12 @@ -+ -+ -+ -+ -+ -+ -+ -+ -diff --git a/gdb/features/microblaze64-with-stack-protect.c b/gdb/features/microblaze64-with-stack-protect.c -new file mode 100644 -index 00000000000..a4de4666c76 ---- /dev/null -+++ b/gdb/features/microblaze64-with-stack-protect.c -@@ -0,0 +1,79 @@ -+/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro: -+ Original: microblaze-with-stack-protect.xml */ -+ -+#include "defs.h" -+#include "osabi.h" -+#include "target-descriptions.h" -+ -+struct target_desc *tdesc_microblaze64_with_stack_protect; -+static void -+initialize_tdesc_microblaze64_with_stack_protect (void) -+{ -+ target_desc_up result = allocate_target_description (); -+ struct tdesc_feature *feature; -+ -+ feature = tdesc_create_feature (result.get() , "org.gnu.gdb.microblaze64.core"); -+ tdesc_create_reg (feature, "r0", 0, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r1", 1, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r2", 2, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r3", 3, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r4", 4, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r5", 5, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r6", 6, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r7", 7, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r8", 8, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r9", 9, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r10", 10, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r11", 11, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r12", 12, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r13", 13, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r14", 14, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r15", 15, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r16", 16, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r17", 17, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r18", 18, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r19", 19, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r20", 20, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r21", 21, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r22", 22, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r23", 23, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r24", 24, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r25", 25, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r26", 26, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r27", 27, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r28", 28, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r29", 29, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r30", 30, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r31", 31, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rear", 34, 1, NULL, 64, "int"); -+ tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rfsr", 36, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rbtr", 37, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rpvr0", 38, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr1", 39, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr2", 40, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr3", 41, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr4", 42, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr5", 43, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr6", 44, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr7", 45, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr8", 46, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rpvr9", 47, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rpvr10", 48, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr11", 49, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "redr", 50, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpid", 51, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rzpr", 52, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbx", 53, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); -+ -+ feature = tdesc_create_feature (result.get(), "org.gnu.gdb.microblaze64.stack-protect"); -+ tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); -+ -+ tdesc_microblaze64_with_stack_protect = result.release(); -+} -diff --git a/gdb/features/microblaze64-with-stack-protect.xml b/gdb/features/microblaze64-with-stack-protect.xml -new file mode 100644 -index 00000000000..0e9f01611f3 ---- /dev/null -+++ b/gdb/features/microblaze64-with-stack-protect.xml -@@ -0,0 +1,12 @@ -+ -+ -+ -+ -+ -+ -+ -+ -diff --git a/gdb/features/microblaze64.c b/gdb/features/microblaze64.c -new file mode 100644 -index 00000000000..8ab7a90dd95 ---- /dev/null -+++ b/gdb/features/microblaze64.c -@@ -0,0 +1,77 @@ -+/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro: -+ Original: microblaze.xml */ -+ -+#include "defs.h" -+#include "osabi.h" -+#include "target-descriptions.h" -+ -+struct target_desc *tdesc_microblaze64; -+static void -+initialize_tdesc_microblaze64 (void) -+{ -+ target_desc_up result = allocate_target_description (); -+ struct tdesc_feature *feature; -+ -+ feature = tdesc_create_feature (result.get(), "org.gnu.gdb.microblaze64.core"); -+ tdesc_create_reg (feature, "r0", 0, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r1", 1, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r2", 2, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r3", 3, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r4", 4, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r5", 5, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r6", 6, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r7", 7, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r8", 8, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r9", 9, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r10", 10, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r11", 11, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r12", 12, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r13", 13, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r14", 14, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r15", 15, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r16", 16, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r17", 17, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r18", 18, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r19", 19, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r20", 20, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r21", 21, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r22", 22, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r23", 23, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r24", 24, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r25", 25, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r26", 26, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r27", 27, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r28", 28, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r29", 29, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r30", 30, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "r31", 31, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rear", 34, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rfsr", 36, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rbtr", 37, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rpvr0", 38, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr1", 39, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr2", 40, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr3", 41, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr4", 42, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr5", 43, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr6", 44, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr7", 45, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr8", 46, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rpvr9", 47, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "rpvr10", 48, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpvr11", 49, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "redr", 50, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rpid", 51, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rzpr", 52, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbx", 53, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); -+ tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); -+ tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); -+ -+ tdesc_microblaze64 = result.release(); -+} -diff --git a/gdb/features/microblaze64.xml b/gdb/features/microblaze64.xml -new file mode 100644 -index 00000000000..515d18e65cf ---- /dev/null -+++ b/gdb/features/microblaze64.xml -@@ -0,0 +1,11 @@ -+ -+ -+ -+ -+ -+ -+ -diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c -index fc52adffb72..f2db32f0087 100644 ---- a/gdb/microblaze-linux-tdep.c -+++ b/gdb/microblaze-linux-tdep.c -@@ -40,6 +40,7 @@ - #include "features/microblaze-linux.c" - - static int microblaze_debug_flag = 0; -+int MICROBLAZE_REGISTER_SIZE=4; - - static void - microblaze_debug (const char *fmt, ...) -@@ -55,6 +56,7 @@ microblaze_debug (const char *fmt, ...) - } - } - -+#if 0 - static int - microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, - struct bp_target_info *bp_tgt) -@@ -86,6 +88,8 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, - return val; - } - -+#endif -+ - static void - microblaze_linux_sigtramp_cache (struct frame_info *next_frame, - struct trad_frame_cache *this_cache, -@@ -147,8 +151,8 @@ microblaze_linux_init_abi (struct gdbarch_info info, - - linux_init_abi (info, gdbarch, 0); - -- set_gdbarch_memory_remove_breakpoint (gdbarch, -- microblaze_linux_memory_remove_breakpoint); -+ // set_gdbarch_memory_remove_breakpoint (gdbarch, -+ // microblaze_linux_memory_remove_breakpoint); - - /* Shared library handling. */ - set_solib_svr4_fetch_link_map_offsets (gdbarch, -@@ -160,10 +164,30 @@ microblaze_linux_init_abi (struct gdbarch_info info, - - /* BFD target for core files. */ - if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) -- set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); -+ { -+ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) { -+ set_gdbarch_gcore_bfd_target (gdbarch, "elf64-microblaze"); -+ MICROBLAZE_REGISTER_SIZE=8; -+ } -+ else -+ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); -+ } - else -- set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); -+ { -+ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) { -+ set_gdbarch_gcore_bfd_target (gdbarch, "elf64-microblazeel"); -+ MICROBLAZE_REGISTER_SIZE=8; -+ } -+ else -+ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); -+ } - -+ switch (info.bfd_arch_info->mach) -+ { -+ case bfd_mach_microblaze64: -+ set_gdbarch_ptr_bit (gdbarch, 64); -+ break; -+ } - - /* Shared library handling. */ - set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); -@@ -178,7 +202,9 @@ void _initialize_microblaze_linux_tdep (); - void - _initialize_microblaze_linux_tdep () - { -- gdbarch_register_osabi (bfd_arch_microblaze, 0, GDB_OSABI_LINUX, -+ gdbarch_register_osabi (bfd_arch_microblaze, bfd_mach_microblaze, GDB_OSABI_LINUX, -+ microblaze_linux_init_abi); -+ gdbarch_register_osabi (bfd_arch_microblaze, bfd_mach_microblaze64, GDB_OSABI_LINUX, - microblaze_linux_init_abi); - initialize_tdesc_microblaze_linux (); - } -diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c -index ccb6b730d64..c347bb9516b 100644 ---- a/gdb/microblaze-tdep.c -+++ b/gdb/microblaze-tdep.c -@@ -40,7 +40,9 @@ - #include "remote.h" - - #include "features/microblaze-with-stack-protect.c" -+#include "features/microblaze64-with-stack-protect.c" - #include "features/microblaze.c" -+#include "features/microblaze64.c" - - /* Instruction macros used for analyzing the prologue. */ - /* This set of instruction macros need to be changed whenever the -@@ -75,12 +77,13 @@ static const char * const microblaze_register_names[] = - "rpvr0", "rpvr1", "rpvr2", "rpvr3", "rpvr4", "rpvr5", "rpvr6", - "rpvr7", "rpvr8", "rpvr9", "rpvr10", "rpvr11", - "redr", "rpid", "rzpr", "rtlbx", "rtlbsx", "rtlblo", "rtlbhi", -- "rslr", "rshr" -+ "slr", "shr" - }; - - #define MICROBLAZE_NUM_REGS ARRAY_SIZE (microblaze_register_names) - - static unsigned int microblaze_debug_flag = 0; -+int reg_size = 4; - - #define microblaze_debug(fmt, ...) \ - debug_prefixed_printf_cond_nofunc (microblaze_debug_flag, "MICROBLAZE", \ -@@ -128,6 +131,15 @@ microblaze_fetch_instruction (CORE_ADDR pc) - constexpr gdb_byte microblaze_break_insn[] = MICROBLAZE_BREAKPOINT; - - typedef BP_MANIPULATION (microblaze_break_insn) microblaze_breakpoint; -+static CORE_ADDR -+microblaze_store_arguments (struct regcache *regcache, int nargs, -+ struct value **args, CORE_ADDR sp, -+ int struct_return, CORE_ADDR struct_addr) -+{ -+ error (_("store_arguments not implemented")); -+ return sp; -+} -+#if 0 - static int - microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, - struct bp_target_info *bp_tgt) -@@ -146,7 +158,6 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, - /* Make sure we see the memory breakpoints. */ - scoped_restore restore_memory - = make_scoped_restore_show_memory_breakpoints (1); -- - val = target_read_memory (addr, old_contents, bplen); - - /* If our breakpoint is no longer at the address, this means that the -@@ -161,6 +172,7 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, - return val; - } - -+#endif - /* Allocate and initialize a frame cache. */ - - static struct microblaze_frame_cache * -@@ -577,17 +589,16 @@ microblaze_extract_return_value (struct type *type, struct regcache *regcache, - gdb_byte *valbuf) - { - gdb_byte buf[8]; -- - /* Copy the return value (starting) in RETVAL_REGNUM to VALBUF. */ - switch (TYPE_LENGTH (type)) - { - case 1: /* return last byte in the register. */ - regcache->cooked_read (MICROBLAZE_RETVAL_REGNUM, buf); -- memcpy(valbuf, buf + MICROBLAZE_REGISTER_SIZE - 1, 1); -+ memcpy(valbuf, buf + reg_size - 1, 1); - return; - case 2: /* return last 2 bytes in register. */ - regcache->cooked_read (MICROBLAZE_RETVAL_REGNUM, buf); -- memcpy(valbuf, buf + MICROBLAZE_REGISTER_SIZE - 2, 2); -+ memcpy(valbuf, buf + reg_size - 2, 2); - return; - case 4: /* for sizes 4 or 8, copy the required length. */ - case 8: -@@ -754,6 +765,12 @@ microblaze_software_single_step (struct regcache *regcache) - } - #endif - -+static void -+microblaze_write_pc (struct regcache *regcache, CORE_ADDR pc) -+{ -+ regcache_cooked_write_unsigned (regcache, MICROBLAZE_PC_REGNUM, pc); -+} -+ - static int dwarf2_to_reg_map[78] = - { 0 /* r0 */, 1 /* r1 */, 2 /* r2 */, 3 /* r3 */, /* 0- 3 */ - 4 /* r4 */, 5 /* r5 */, 6 /* r6 */, 7 /* r7 */, /* 4- 7 */ -@@ -788,13 +805,14 @@ microblaze_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int reg) - static void - microblaze_register_g_packet_guesses (struct gdbarch *gdbarch) - { -+ - register_remote_g_packet_guess (gdbarch, - 4 * MICROBLAZE_NUM_CORE_REGS, -- tdesc_microblaze); -+ tdesc_microblaze64); - - register_remote_g_packet_guess (gdbarch, - 4 * MICROBLAZE_NUM_REGS, -- tdesc_microblaze_with_stack_protect); -+ tdesc_microblaze64_with_stack_protect); - } - - void -@@ -802,7 +820,7 @@ microblaze_supply_gregset (const struct regset *regset, - struct regcache *regcache, - int regnum, const void *gregs) - { -- const unsigned int *regs = (const unsigned int *)gregs; -+ const gdb_byte *regs = (const gdb_byte *) gregs; - if (regnum >= 0) - regcache->raw_supply (regnum, regs + regnum); - -@@ -810,7 +828,7 @@ microblaze_supply_gregset (const struct regset *regset, - int i; - - for (i = 0; i < 50; i++) { -- regcache->raw_supply (i, regs + i); -+ regcache->raw_supply (regnum, regs + i); - } - } - } -@@ -833,6 +851,17 @@ microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch, - } - - -+static void -+make_regs (struct gdbarch *arch) -+{ -+ struct gdbarch_tdep *tdep = gdbarch_tdep (arch); -+ int mach = gdbarch_bfd_arch_info (arch)->mach; -+ -+ if (mach == bfd_mach_microblaze64) -+ { -+ set_gdbarch_ptr_bit (arch, 64); -+ } -+} - - static struct gdbarch * - microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) -@@ -846,8 +875,15 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - if (arches != NULL) - return arches->gdbarch; - if (tdesc == NULL) -- tdesc = tdesc_microblaze; -- -+ { -+ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) -+ { -+ tdesc = tdesc_microblaze64; -+ reg_size = 8; -+ } -+ else -+ tdesc = tdesc_microblaze; -+ } - /* Check any target description for validity. */ - if (tdesc_has_registers (tdesc)) - { -@@ -855,31 +891,42 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - int valid_p; - int i; - -- feature = tdesc_find_feature (tdesc, -- "org.gnu.gdb.microblaze.core"); -+ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) -+ feature = tdesc_find_feature (tdesc, -+ "org.gnu.gdb.microblaze64.core"); -+ else -+ feature = tdesc_find_feature (tdesc, -+ "org.gnu.gdb.microblaze.core"); - if (feature == NULL) - return NULL; - tdesc_data = tdesc_data_alloc (); - - valid_p = 1; -- for (i = 0; i < MICROBLAZE_NUM_CORE_REGS; i++) -- valid_p &= tdesc_numbered_register (feature, tdesc_data.get (), i, -- microblaze_register_names[i]); -- feature = tdesc_find_feature (tdesc, -- "org.gnu.gdb.microblaze.stack-protect"); -+ for (i = 0; i < MICROBLAZE_NUM_REGS; i++) -+ valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), i, -+ microblaze_register_names[i]); -+ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) -+ feature = tdesc_find_feature (tdesc, -+ "org.gnu.gdb.microblaze64.stack-protect"); -+ else -+ feature = tdesc_find_feature (tdesc, -+ "org.gnu.gdb.microblaze.stack-protect"); - if (feature != NULL) -- { -- valid_p = 1; -- valid_p &= tdesc_numbered_register (feature, tdesc_data.get (), -- MICROBLAZE_SLR_REGNUM, -- "rslr"); -- valid_p &= tdesc_numbered_register (feature, tdesc_data.get (), -- MICROBLAZE_SHR_REGNUM, -- "rshr"); -- } -+ { -+ valid_p = 1; -+ valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), -+ MICROBLAZE_SLR_REGNUM, -+ "slr"); -+ valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), -+ MICROBLAZE_SHR_REGNUM, -+ "shr"); -+ } - - if (!valid_p) -- return NULL; -+ { -+ // tdesc_data_cleanup (tdesc_data.get ()); -+ return NULL; -+ } - } - - /* Allocate space for the new architecture. */ -@@ -899,7 +946,17 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - /* Register numbers of various important registers. */ - set_gdbarch_sp_regnum (gdbarch, MICROBLAZE_SP_REGNUM); - set_gdbarch_pc_regnum (gdbarch, MICROBLAZE_PC_REGNUM); -+ -+ /* Register set. -+ make_regs (gdbarch); */ -+ switch (info.bfd_arch_info->mach) -+ { -+ case bfd_mach_microblaze64: -+ set_gdbarch_ptr_bit (gdbarch, 64); -+ break; -+ } - -+ - /* Map Dwarf2 registers to GDB registers. */ - set_gdbarch_dwarf2_reg_to_regnum (gdbarch, microblaze_dwarf2_reg_to_regnum); - -@@ -919,7 +976,9 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - microblaze_breakpoint::kind_from_pc); - set_gdbarch_sw_breakpoint_from_kind (gdbarch, - microblaze_breakpoint::bp_from_kind); -- set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); -+// set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); -+ -+// set_gdbarch_software_single_step (gdbarch, microblaze_software_single_step); - - set_gdbarch_software_single_step (gdbarch, microblaze_software_single_step); - -@@ -927,7 +986,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - - set_gdbarch_unwind_pc (gdbarch, microblaze_unwind_pc); - -- microblaze_register_g_packet_guesses (gdbarch); -+ //microblaze_register_g_packet_guesses (gdbarch); - - frame_base_set_default (gdbarch, µblaze_frame_base); - -@@ -942,12 +1001,11 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - tdesc_use_registers (gdbarch, tdesc, std::move (tdesc_data)); - //frame_base_append_sniffer (gdbarch, microblaze_frame_sniffer); - -- /* If we have register sets, enable the generic core file support. */ -+ /* If we have register sets, enable the generic core file support. - if (tdep->gregset) { - set_gdbarch_iterate_over_regset_sections (gdbarch, - microblaze_iterate_over_regset_sections); -- } -- -+ }*/ - return gdbarch; - } - -@@ -959,6 +1017,8 @@ _initialize_microblaze_tdep () - - initialize_tdesc_microblaze_with_stack_protect (); - initialize_tdesc_microblaze (); -+ initialize_tdesc_microblaze64_with_stack_protect (); -+ initialize_tdesc_microblaze64 (); - /* Debug this files internals. */ - add_setshow_zuinteger_cmd ("microblaze", class_maintenance, - µblaze_debug_flag, _("\ -diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h -index 2415acfe7b6..f4d810303ca 100644 ---- a/gdb/microblaze-tdep.h -+++ b/gdb/microblaze-tdep.h -@@ -28,7 +28,7 @@ struct microblaze_gregset - microblaze_gregset() {} - unsigned int gregs[32]; - unsigned int fpregs[32]; -- unsigned int pregs[16]; -+ unsigned int pregs[18]; - }; - - struct microblaze_gdbarch_tdep : gdbarch_tdep -@@ -134,7 +134,7 @@ struct microblaze_frame_cache - struct trad_frame_saved_reg *saved_regs; - }; - /* All registers are 32 bits. */ --#define MICROBLAZE_REGISTER_SIZE 4 -+//#define MICROBLAZE_REGISTER_SIZE 8 - - /* MICROBLAZE_BREAKPOINT defines the breakpoint that should be used. - Only used for native debugging. */ -diff --git a/include/elf/common.h b/include/elf/common.h -index 70d63e3299c..8aa330d6631 100644 ---- a/include/elf/common.h -+++ b/include/elf/common.h -@@ -360,6 +360,7 @@ - #define EM_U16_U8CORE 260 /* LAPIS nX-U16/U8 */ - #define EM_TACHYUM 261 /* Tachyum */ - #define EM_56800EF 262 /* NXP 56800EF Digital Signal Controller (DSC) */ -+#define EM_MB_64 263 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ - - /* If it is necessary to assign new unofficial EM_* values, please pick large - random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision -diff --git a/include/elf/microblaze.h b/include/elf/microblaze.h -index 43ad3ad3904..79799b86a49 100644 ---- a/include/elf/microblaze.h -+++ b/include/elf/microblaze.h -@@ -61,6 +61,10 @@ START_RELOC_NUMBERS (elf_microblaze_reloc_type) - RELOC_NUMBER (R_MICROBLAZE_TEXTPCREL_64, 30) /* PC-relative TEXT offset. */ - RELOC_NUMBER (R_MICROBLAZE_TEXTREL_64, 31) /* TEXT Entry offset 64-bit. */ - RELOC_NUMBER (R_MICROBLAZE_TEXTREL_32_LO, 32) /* TEXT Entry offset 32-bit. */ -+ RELOC_NUMBER (R_MICROBLAZE_32_NONE, 33) -+ RELOC_NUMBER (R_MICROBLAZE_IMML_64, 34) -+ RELOC_NUMBER (R_MICROBLAZE_GPC_64, 35) /* GOT entry offset. */ -+ - END_RELOC_NUMBERS (R_MICROBLAZE_max) - - /* Global base address names. */ -diff --git a/opcodes/microblaze-dis.c b/opcodes/microblaze-dis.c -index b057492ba93..283d87c04a2 100644 ---- a/opcodes/microblaze-dis.c -+++ b/opcodes/microblaze-dis.c -@@ -33,6 +33,7 @@ - #define get_field_r1(buf, instr) get_field (buf, instr, RA_MASK, RA_LOW) - #define get_field_r2(buf, instr) get_field (buf, instr, RB_MASK, RB_LOW) - #define get_int_field_imm(instr) ((instr & IMM_MASK) >> IMM_LOW) -+#define get_int_field_imml(instr) ((instr & IMML_MASK) >> IMM_LOW) - #define get_int_field_r1(instr) ((instr & RA_MASK) >> RA_LOW) - - #define NUM_STRBUFS 3 -@@ -73,11 +74,20 @@ get_field_imm (struct string_buf *buf, long instr) - } - - static char * --get_field_imm5 (struct string_buf *buf, long instr) -+get_field_imml (struct string_buf *buf, long instr) - { - char *p = strbuf (buf); - -- sprintf (p, "%d", (short)((instr & IMM5_MASK) >> IMM_LOW)); -+ sprintf (p, "%d", (int)((instr & IMML_MASK) >> IMM_LOW)); -+ return p; -+} -+ -+static char * -+get_field_imms (struct string_buf *buf, long instr) -+{ -+ char *p = strbuf (buf); -+ -+ sprintf (p, "%d", (short)((instr & IMM6_MASK) >> IMM_LOW)); - return p; - } - -@@ -90,6 +100,18 @@ get_field_imm5_mbar (struct string_buf *buf, long instr) - return p; - } - -+static char * -+get_field_immw (struct string_buf *buf, long instr) -+{ -+ char *p = strbuf (buf); -+ -+ if (instr & 0x00004000) -+ sprintf (p, "%d", (short)(((instr & IMM6_WIDTH_MASK) >> IMM_WIDTH_LOW))); /* bsefi */ -+ else -+ sprintf (p, "%d", (short)(((instr & IMM6_WIDTH_MASK) >> IMM_WIDTH_LOW) - ((instr & IMM6_MASK) >> IMM_LOW) + 1)); /* bsifi */ -+ return p; -+} -+ - static char * - get_field_rfsl (struct string_buf *buf, long instr) - { -@@ -296,9 +318,14 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) - } - } - break; -- case INST_TYPE_RD_R1_IMM5: -+ case INST_TYPE_RD_R1_IMML: -+ print_func (stream, "\t%s, %s, %s", get_field_rd (&buf, inst), -+ get_field_r1(&buf, inst), get_field_imm (&buf, inst)); -+ /* TODO: Also print symbol */ -+ break; -+ case INST_TYPE_RD_R1_IMMS: - print_func (stream, "\t%s, %s, %s", get_field_rd (&buf, inst), -- get_field_r1 (&buf, inst), get_field_imm5 (&buf, inst)); -+ get_field_r1(&buf, inst), get_field_imms (&buf, inst)); - break; - case INST_TYPE_RD_RFSL: - print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), -@@ -402,9 +429,12 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) - } - } - break; -- case INST_TYPE_RD_R2: -- print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), -- get_field_r2 (&buf, inst)); -+ case INST_TYPE_IMML: -+ print_func (stream, "\t%s", get_field_imml (&buf, inst)); -+ /* TODO: Also print symbol */ -+ break; -+ case INST_TYPE_RD_R2: -+ print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), get_field_r2 (&buf, inst)); - break; - case INST_TYPE_R2: - print_func (stream, "\t%s", get_field_r2 (&buf, inst)); -@@ -427,7 +457,12 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) - /* For mbar 16 or sleep insn. */ - case INST_TYPE_NONE: - break; -- /* For tuqula instruction */ -+ /* For bit field insns. */ -+ case INST_TYPE_RD_R1_IMMW_IMMS: -+ print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst), get_field_r1(&buf, inst), -+ get_field_immw (&buf, inst), get_field_imms (&buf, inst)); -+ break; -+ /* For tuqula instruction */ - case INST_TYPE_RD: - print_func (stream, "\t%s", get_field_rd (&buf, inst)); - break; -diff --git a/opcodes/microblaze-opc.h b/opcodes/microblaze-opc.h -index ffb0f08c692..5e45df995de 100644 ---- a/opcodes/microblaze-opc.h -+++ b/opcodes/microblaze-opc.h -@@ -40,7 +40,7 @@ - #define INST_TYPE_RD_SPECIAL 11 - #define INST_TYPE_R1 12 - /* New instn type for barrel shift imms. */ --#define INST_TYPE_RD_R1_IMM5 13 -+#define INST_TYPE_RD_R1_IMMS 13 - #define INST_TYPE_RD_RFSL 14 - #define INST_TYPE_R1_RFSL 15 - -@@ -59,6 +59,15 @@ - /* For mbar. */ - #define INST_TYPE_IMM5 20 - -+/* For bsefi and bsifi */ -+#define INST_TYPE_RD_R1_IMMW_IMMS 21 -+ -+/* For 64-bit instructions */ -+#define INST_TYPE_IMML 22 -+#define INST_TYPE_RD_R1_IMML 23 -+#define INST_TYPE_R1_IMML 24 -+#define INST_TYPE_RD_R1_IMMW_IMMS 21 -+ - #define INST_TYPE_NONE 25 - - -@@ -88,10 +97,14 @@ - #define OPCODE_MASK_H24 0xFC1F07FF /* High 6, bits 20-16 and low 11 bits. */ - #define OPCODE_MASK_H124 0xFFFF07FF /* High 16, and low 11 bits. */ - #define OPCODE_MASK_H1234 0xFFFFFFFF /* All 32 bits. */ --#define OPCODE_MASK_H3 0xFC000600 /* High 6 bits and bits 21, 22. */ -+#define OPCODE_MASK_H3 0xFC000700 /* High 6 bits and bits 21, 22, 23. */ -+#define OPCODE_MASK_H3B 0xFC00E600 /* High 6 bits and bits 16, 17, 18, 21, 22. */ - #define OPCODE_MASK_H32 0xFC00FC00 /* High 6 bits and bit 16-21. */ -+#define OPCODE_MASK_H32B 0xFC00E000 /* High 6 bits and bit 16, 17, 18. */ - #define OPCODE_MASK_H34B 0xFC0000FF /* High 6 bits and low 8 bits. */ -+#define OPCODE_MASK_H35B 0xFC0004FF /* High 6 bits and low 9 bits. */ - #define OPCODE_MASK_H34C 0xFC0007E0 /* High 6 bits and bits 21-26. */ -+#define OPCODE_MASK_H8 0xFF000000 /* High 8 bits only. */ - - /* New Mask for msrset, msrclr insns. */ - #define OPCODE_MASK_H23N 0xFC1F8000 /* High 6 and bits 11 - 16. */ -@@ -101,7 +114,7 @@ - #define DELAY_SLOT 1 - #define NO_DELAY_SLOT 0 - --#define MAX_OPCODES 289 -+#define MAX_OPCODES 412 - - const struct op_code_struct - { -@@ -119,6 +132,7 @@ const struct op_code_struct - /* More info about output format here. */ - } microblaze_opcodes[MAX_OPCODES] = - { -+ /* 32-bit instructions */ - {"add", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000000, OPCODE_MASK_H4, add, arithmetic_inst }, - {"rsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H4, rsub, arithmetic_inst }, - {"addc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000000, OPCODE_MASK_H4, addc, arithmetic_inst }, -@@ -155,9 +169,11 @@ const struct op_code_struct - {"ncget", INST_TYPE_RD_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C006000, OPCODE_MASK_H32, ncget, anyware_inst }, - {"ncput", INST_TYPE_R1_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C00E000, OPCODE_MASK_H32, ncput, anyware_inst }, - {"muli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x60000000, OPCODE_MASK_H, muli, mult_inst }, -- {"bslli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3, bslli, barrel_shift_inst }, -- {"bsrai", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3, bsrai, barrel_shift_inst }, -- {"bsrli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3, bsrli, barrel_shift_inst }, -+ {"bslli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3B, bslli, barrel_shift_inst }, -+ {"bsrai", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3B, bsrai, barrel_shift_inst }, -+ {"bsrli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3B, bsrli, barrel_shift_inst }, -+ {"bsefi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64004000, OPCODE_MASK_H32B, bsefi, barrel_shift_inst }, -+ {"bsifi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64008000, OPCODE_MASK_H32B, bsifi, barrel_shift_inst }, - {"or", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000000, OPCODE_MASK_H4, microblaze_or, logical_inst }, - {"and", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000000, OPCODE_MASK_H4, microblaze_and, logical_inst }, - {"xor", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000000, OPCODE_MASK_H4, microblaze_xor, logical_inst }, -@@ -174,9 +190,14 @@ const struct op_code_struct - {"wic", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000068, OPCODE_MASK_H34B, wic, special_inst }, - {"wdc", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000064, OPCODE_MASK_H34B, wdc, special_inst }, - {"wdc.clear", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000066, OPCODE_MASK_H34B, wdcclear, special_inst }, -+ {"wdc.ext.clear", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000466, OPCODE_MASK_H35B, wdcextclear, special_inst }, - {"wdc.flush", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000074, OPCODE_MASK_H34B, wdcflush, special_inst }, -+ {"wdc.ext.flush", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000476, OPCODE_MASK_H35B, wdcextflush, special_inst }, -+ {"wdc.clear.ea", INST_TYPE_R1_R2_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900000E6, OPCODE_MASK_H34B, wdcclearea, special_inst }, - {"mts", INST_TYPE_SPECIAL_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MTS, 0x9400C000, OPCODE_MASK_H13S, mts, special_inst }, -+ {"mtse", INST_TYPE_SPECIAL_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MTS, 0x9500C000, OPCODE_MASK_H13S, mtse,special_inst }, - {"mfs", INST_TYPE_RD_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MFS, 0x94008000, OPCODE_MASK_H23S, mfs, special_inst }, -+ {"mfse", INST_TYPE_RD_SPECIAL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_MFS, 0x94088000, OPCODE_MASK_H23S, mfse, special_inst }, - {"br", INST_TYPE_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98000000, OPCODE_MASK_H124, br, branch_inst }, - {"brd", INST_TYPE_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98100000, OPCODE_MASK_H124, brd, branch_inst }, - {"brld", INST_TYPE_RD_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98140000, OPCODE_MASK_H24, brld, branch_inst }, -@@ -226,18 +247,24 @@ const struct op_code_struct - {"bgeid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBEA00000, OPCODE_MASK_H1, bgeid, branch_inst }, - {"lbu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC0000000, OPCODE_MASK_H4, lbu, memory_load_inst }, - {"lbur", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC0000200, OPCODE_MASK_H4, lbur, memory_load_inst }, -+ {"lbuea", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC0000080, OPCODE_MASK_H4, lbuea, memory_load_inst }, - {"lhu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC4000000, OPCODE_MASK_H4, lhu, memory_load_inst }, - {"lhur", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC4000200, OPCODE_MASK_H4, lhur, memory_load_inst }, -+ {"lhuea", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC4000080, OPCODE_MASK_H4, lhuea, memory_load_inst }, - {"lw", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000000, OPCODE_MASK_H4, lw, memory_load_inst }, - {"lwr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000200, OPCODE_MASK_H4, lwr, memory_load_inst }, - {"lwx", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000400, OPCODE_MASK_H4, lwx, memory_load_inst }, -+ {"lwea", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000080, OPCODE_MASK_H4, lwea, memory_load_inst }, - {"sb", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD0000000, OPCODE_MASK_H4, sb, memory_store_inst }, - {"sbr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD0000200, OPCODE_MASK_H4, sbr, memory_store_inst }, -+ {"sbea", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD0000080, OPCODE_MASK_H4, sbea, memory_store_inst }, - {"sh", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD4000000, OPCODE_MASK_H4, sh, memory_store_inst }, - {"shr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD4000200, OPCODE_MASK_H4, shr, memory_store_inst }, -+ {"shea", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD4000080, OPCODE_MASK_H4, shea, memory_store_inst }, - {"sw", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000000, OPCODE_MASK_H4, sw, memory_store_inst }, - {"swr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000200, OPCODE_MASK_H4, swr, memory_store_inst }, - {"swx", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000400, OPCODE_MASK_H4, swx, memory_store_inst }, -+ {"swea", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000080, OPCODE_MASK_H4, swea, memory_store_inst }, - {"lbui", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE0000000, OPCODE_MASK_H, lbui, memory_load_inst }, - {"lhui", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE4000000, OPCODE_MASK_H, lhui, memory_load_inst }, - {"lwi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE8000000, OPCODE_MASK_H, lwi, memory_load_inst }, -@@ -248,9 +275,7 @@ const struct op_code_struct - {"la", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* la translates to addik. */ - {"tuqula",INST_TYPE_RD, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x3000002A, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* tuqula rd translates to addik rd, r0, 42. */ - {"not", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA800FFFF, OPCODE_MASK_H34, invalid_inst, logical_inst }, /* not translates to xori rd,ra,-1. */ -- {"neg", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* neg translates to rsub rd, ra, r0. */ - {"rtb", INST_TYPE_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB6000004, OPCODE_MASK_H1, invalid_inst, return_inst }, /* rtb translates to rts rd, 4. */ -- {"sub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* sub translates to rsub rd, rb, ra. */ - {"lmi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE8000000, OPCODE_MASK_H, invalid_inst, memory_load_inst }, - {"smi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xF8000000, OPCODE_MASK_H, invalid_inst, memory_store_inst }, - {"msrset",INST_TYPE_RD_IMM15, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x94100000, OPCODE_MASK_H23N, msrset, special_inst }, -@@ -402,8 +427,135 @@ const struct op_code_struct - {"clz", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900000E0, OPCODE_MASK_H34, clz, special_inst }, - {"mbar", INST_TYPE_IMM5, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8020004, OPCODE_MASK_HN, mbar, special_inst }, - {"sleep", INST_TYPE_NONE, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBA020004, OPCODE_MASK_HN, invalid_inst, special_inst }, /* translates to mbar 16. */ -+ {"hibernate", INST_TYPE_NONE, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB9020004, OPCODE_MASK_HN, invalid_inst, special_inst }, /* translates to mbar 8. */ -+ {"suspend", INST_TYPE_NONE, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBB020004, OPCODE_MASK_HN, invalid_inst, special_inst }, /* translates to mbar 24. */ - {"swapb", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900001E0, OPCODE_MASK_H4, swapb, arithmetic_inst }, - {"swaph", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900001E2, OPCODE_MASK_H4, swaph, arithmetic_inst }, -+ -+ /* 64-bit instructions */ -+ {"addl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000100, OPCODE_MASK_H4, addl, arithmetic_inst }, -+ {"rsubl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000100, OPCODE_MASK_H4, rsubl, arithmetic_inst }, -+ {"addlc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000100, OPCODE_MASK_H4, addlc, arithmetic_inst }, -+ {"rsublc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x0C000100, OPCODE_MASK_H4, rsublc, arithmetic_inst }, -+ {"addlk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x10000100, OPCODE_MASK_H4, addlk, arithmetic_inst }, -+ {"rsublk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000100, OPCODE_MASK_H4, rsublk, arithmetic_inst }, -+ {"addlkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x18000100, OPCODE_MASK_H4, addlkc, arithmetic_inst }, -+ {"rsublkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x1C000100, OPCODE_MASK_H4, rsublkc, arithmetic_inst }, -+ {"cmpl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000101, OPCODE_MASK_H4, cmpl, arithmetic_inst }, -+ {"cmplu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000103, OPCODE_MASK_H4, cmplu, arithmetic_inst }, -+ {"addli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x20000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ -+ {"rsubli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x24000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ -+ {"addlic", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x28000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ -+ {"rsublic", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x2C000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ -+ {"addlik", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ -+ {"rsublik", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x34000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ -+ {"addlikc", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x38000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ -+ {"rsublikc",INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x3C000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ -+ {"mull", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x40000100, OPCODE_MASK_H4, mull, mult_inst }, -+ {"bslll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000500, OPCODE_MASK_H3, bslll, barrel_shift_inst }, -+ {"bslra", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000300, OPCODE_MASK_H3, bslra, barrel_shift_inst }, -+ {"bslrl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000100, OPCODE_MASK_H3, bslrl, barrel_shift_inst }, -+ {"bsllli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002400, OPCODE_MASK_H3B, bsllli, barrel_shift_inst }, -+ {"bslrai", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002200, OPCODE_MASK_H3B, bslrai, barrel_shift_inst }, -+ {"bslrli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002000, OPCODE_MASK_H3B, bslrli, barrel_shift_inst }, -+ {"bslefi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64006000, OPCODE_MASK_H32B, bslefi, barrel_shift_inst }, -+ {"bslifi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6400a000, OPCODE_MASK_H32B, bslifi, barrel_shift_inst }, -+ {"orl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000100, OPCODE_MASK_H4, orl, logical_inst }, -+ {"andl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000100, OPCODE_MASK_H4, andl, logical_inst }, -+ {"xorl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000100, OPCODE_MASK_H4, xorl, logical_inst }, -+ {"andnl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000100, OPCODE_MASK_H4, andnl, logical_inst }, -+ {"pcmplbf", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000500, OPCODE_MASK_H4, pcmplbf, logical_inst }, -+ {"pcmpleq", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000500, OPCODE_MASK_H4, pcmpleq, logical_inst }, -+ {"pcmplne", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000500, OPCODE_MASK_H4, pcmplne, logical_inst }, -+ {"srla", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000101, OPCODE_MASK_H34, srla, logical_inst }, -+ {"srlc", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000121, OPCODE_MASK_H34, srlc, logical_inst }, -+ {"srll", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000141, OPCODE_MASK_H34, srll, logical_inst }, -+ {"sextl8", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000160, OPCODE_MASK_H34, sextl8, logical_inst }, -+ {"sextl16", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000161, OPCODE_MASK_H34, sextl16, logical_inst }, -+ {"sextl32", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000162, OPCODE_MASK_H34, sextl32, logical_inst }, -+ {"brea", INST_TYPE_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98010000, OPCODE_MASK_H124, brea, branch_inst }, -+ {"bread", INST_TYPE_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98110000, OPCODE_MASK_H124, bread, branch_inst }, -+ {"breald", INST_TYPE_RD_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98150000, OPCODE_MASK_H24, breald, branch_inst }, -+ {"beaeq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D000000, OPCODE_MASK_H14, beaeq, branch_inst }, -+ {"bealeq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D000100, OPCODE_MASK_H14, bealeq, branch_inst }, -+ {"beaeqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F000000, OPCODE_MASK_H14, beaeqd, branch_inst }, -+ {"bealeqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F000100, OPCODE_MASK_H14, bealeqd, branch_inst }, -+ {"beane", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D200000, OPCODE_MASK_H14, beane, branch_inst }, -+ {"bealne", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D200100, OPCODE_MASK_H14, bealne, branch_inst }, -+ {"beaned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F200000, OPCODE_MASK_H14, beaned, branch_inst }, -+ {"bealned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F200100, OPCODE_MASK_H14, bealned, branch_inst }, -+ {"bealt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D400000, OPCODE_MASK_H14, bealt, branch_inst }, -+ {"beallt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D400100, OPCODE_MASK_H14, beallt, branch_inst }, -+ {"bealtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F400000, OPCODE_MASK_H14, bealtd, branch_inst }, -+ {"bealltd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F400100, OPCODE_MASK_H14, bealltd, branch_inst }, -+ {"beale", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D600000, OPCODE_MASK_H14, beale, branch_inst }, -+ {"bealle", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D600100, OPCODE_MASK_H14, bealle, branch_inst }, -+ {"bealed", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F600000, OPCODE_MASK_H14, bealed, branch_inst }, -+ {"bealled", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F600100, OPCODE_MASK_H14, bealled, branch_inst }, -+ {"beagt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D800000, OPCODE_MASK_H14, beagt, branch_inst }, -+ {"bealgt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D800100, OPCODE_MASK_H14, bealgt, branch_inst }, -+ {"beagtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F800000, OPCODE_MASK_H14, beagtd, branch_inst }, -+ {"bealgtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F800100, OPCODE_MASK_H14, bealgtd, branch_inst }, -+ {"beage", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9DA00000, OPCODE_MASK_H14, beage, branch_inst }, -+ {"bealge", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9DA00100, OPCODE_MASK_H14, bealge, branch_inst }, -+ {"beaged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00000, OPCODE_MASK_H14, beaged, branch_inst }, -+ {"bealged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00100, OPCODE_MASK_H14, bealged, branch_inst }, -+ {"orli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA0000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ -+ {"andli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA4000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ -+ {"xorli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA8000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ -+ {"andnli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xAC000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ -+ {"imml", INST_TYPE_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB2000000, OPCODE_MASK_H8, imml, immediate_inst }, -+ {"breai", INST_TYPE_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8010000, OPCODE_MASK_H12, breai, branch_inst }, -+ {"breaid", INST_TYPE_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8110000, OPCODE_MASK_H12, breaid, branch_inst }, -+ {"brealid", INST_TYPE_RD_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8150000, OPCODE_MASK_H2, brealid, branch_inst }, -+ {"beaeqi", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD000000, OPCODE_MASK_H1, beaeqi, branch_inst }, -+ {"bealeqi", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD000000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaeqi */ -+ {"beaeqid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF000000, OPCODE_MASK_H1, beaeqid, branch_inst }, -+ {"bealeqid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF000000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaeqid */ -+ {"beanei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD200000, OPCODE_MASK_H1, beanei, branch_inst }, -+ {"bealnei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD200000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beanei */ -+ {"beaneid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF200000, OPCODE_MASK_H1, beaneid, branch_inst }, -+ {"bealneid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF200000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaneid */ -+ {"bealti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD400000, OPCODE_MASK_H1, bealti, branch_inst }, -+ {"beallti", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD400000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealti */ -+ {"bealtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF400000, OPCODE_MASK_H1, bealtid, branch_inst }, -+ {"bealltid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF400000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealtid */ -+ {"bealei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD600000, OPCODE_MASK_H1, bealei, branch_inst }, -+ {"beallei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD600000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealei */ -+ {"bealeid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF600000, OPCODE_MASK_H1, bealeid, branch_inst }, -+ {"bealleid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF600000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealeid */ -+ {"beagti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD800000, OPCODE_MASK_H1, beagti, branch_inst }, -+ {"bealgti", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD800000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagti */ -+ {"beagtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF800000, OPCODE_MASK_H1, beagtid, branch_inst }, -+ {"bealgtid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF800000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagtid */ -+ {"beagei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBDA00000, OPCODE_MASK_H1, beagei, branch_inst }, -+ {"bealgei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBDA00000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagei */ -+ {"beageid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBFA00000, OPCODE_MASK_H1, beageid, branch_inst }, -+ {"bealgeid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBFA00000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beageid */ -+ {"ll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000100, OPCODE_MASK_H4, ll, memory_load_inst }, -+ {"llr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000300, OPCODE_MASK_H4, llr, memory_load_inst }, -+ {"sl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000100, OPCODE_MASK_H4, sl, memory_store_inst }, -+ {"slr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000300, OPCODE_MASK_H4, slr, memory_store_inst }, -+ {"lli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xEC000000, OPCODE_MASK_H, invalid_inst, memory_load_inst }, /* Identical to 32-bit */ -+ {"sli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xFC000000, OPCODE_MASK_H, invalid_inst, memory_store_inst }, /* Identical to 32-bit */ -+ {"lla", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* lla translates to addlik */ -+ {"dadd", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000400, OPCODE_MASK_H4, dadd, arithmetic_inst }, -+ {"drsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000480, OPCODE_MASK_H4, drsub, arithmetic_inst }, -+ {"dmul", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000500, OPCODE_MASK_H4, dmul, arithmetic_inst }, -+ {"ddiv", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000580, OPCODE_MASK_H4, ddiv, arithmetic_inst }, -+ {"dcmp.lt", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000610, OPCODE_MASK_H4, dcmp_lt, arithmetic_inst }, -+ {"dcmp.eq", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000620, OPCODE_MASK_H4, dcmp_eq, arithmetic_inst }, -+ {"dcmp.le", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000630, OPCODE_MASK_H4, dcmp_le, arithmetic_inst }, -+ {"dcmp.gt", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000640, OPCODE_MASK_H4, dcmp_gt, arithmetic_inst }, -+ {"dcmp.ne", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000650, OPCODE_MASK_H4, dcmp_ne, arithmetic_inst }, -+ {"dcmp.ge", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000660, OPCODE_MASK_H4, dcmp_ge, arithmetic_inst }, -+ {"dcmp.un", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000600, OPCODE_MASK_H4, dcmp_un, arithmetic_inst }, -+ {"dbl", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000680, OPCODE_MASK_H4, dbl, arithmetic_inst }, -+ {"dlong", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000700, OPCODE_MASK_H4, dlong, arithmetic_inst }, -+ {"dsqrt", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000780, OPCODE_MASK_H4, dsqrt, arithmetic_inst }, -+ {"neg", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* neg translates to rsub rd, ra, r0. */ -+ {"sub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* sub translates to rsub rd, rb, ra. */ -+ - {"", 0, 0, 0, 0, 0, 0, 0, 0}, - }; - -@@ -424,5 +576,17 @@ char pvr_register_prefix[] = "rpvr"; - #define MIN_IMM5 ((int) 0x00000000) - #define MAX_IMM5 ((int) 0x0000001f) - -+#define MIN_IMM6 ((int) 0x00000000) -+#define MAX_IMM6 ((int) 0x0000003f) -+ -+#define MIN_IMM_WIDTH ((int) 0x00000001) -+#define MAX_IMM_WIDTH ((int) 0x00000020) -+ -+#define MIN_IMM6_WIDTH ((int) 0x00000001) -+#define MAX_IMM6_WIDTH ((int) 0x00000040) -+ -+#define MIN_IMML ((long) 0xffffff8000000000L) -+#define MAX_IMML ((long) 0x0000007fffffffffL) -+ - #endif /* MICROBLAZE_OPC */ - -diff --git a/opcodes/microblaze-opcm.h b/opcodes/microblaze-opcm.h -index 8e293465fec..254d9fe911e 100644 ---- a/opcodes/microblaze-opcm.h -+++ b/opcodes/microblaze-opcm.h -@@ -25,22 +25,23 @@ - - enum microblaze_instr - { -+ /* 32-bit instructions */ - add, rsub, addc, rsubc, addk, rsubk, addkc, rsubkc, clz, cmp, cmpu, - addi, rsubi, addic, rsubic, addik, rsubik, addikc, rsubikc, mul, - mulh, mulhu, mulhsu,swapb,swaph, - idiv, idivu, bsll, bsra, bsrl, get, put, nget, nput, cget, cput, -- ncget, ncput, muli, bslli, bsrai, bsrli, mului, -+ ncget, ncput, muli, bslli, bsrai, bsrli, bsefi, bsifi, mului, - /* 'or/and/xor' are C++ keywords. */ - microblaze_or, microblaze_and, microblaze_xor, - andn, pcmpbf, pcmpbc, pcmpeq, pcmpne, sra, src, srl, sext8, sext16, -- wic, wdc, wdcclear, wdcflush, mts, mfs, mbar, br, brd, -- brld, bra, brad, brald, microblaze_brk, beq, beqd, bne, bned, blt, -- bltd, ble, bled, bgt, bgtd, bge, bged, ori, andi, xori, andni, -+ wic, wdc, wdcclear, wdcextclear, wdcflush, wdcextflush, wdcclearea, mts, mtse, -+ mfs, mfse, mbar, br, brd, brld, bra, brad, brald, microblaze_brk, beq, beqd, -+ bne, bned, blt, bltd, ble, bled, bgt, bgtd, bge, bged, ori, andi, xori, andni, - imm, rtsd, rtid, rtbd, rted, bri, brid, brlid, brai, braid, bralid, - brki, beqi, beqid, bnei, bneid, blti, bltid, blei, bleid, bgti, -- bgtid, bgei, bgeid, lbu, lbur, lhu, lhur, lw, lwr, lwx, sb, sbr, sh, -- shr, sw, swr, swx, lbui, lhui, lwi, -- sbi, shi, swi, msrset, msrclr, tuqula, mbi_fadd, frsub, mbi_fmul, mbi_fdiv, -+ bgtid, bgei, bgeid, lbu, lbuea, lbur, lhu, lhuea, lhur, lw, lwea, lwr, lwx, -+ sb, sbea, sbr, sh, shea, shr, sw, swea, swr, swx, lbui, lhui, lwi, lli, -+ sbi, shi, sli, swi, msrset, msrclr, tuqula, mbi_fadd, frsub, mbi_fmul, mbi_fdiv, - fcmp_lt, fcmp_eq, fcmp_le, fcmp_gt, fcmp_ne, fcmp_ge, fcmp_un, flt, - /* 'fsqrt' is a glibc:math.h symbol. */ - fint, microblaze_fsqrt, -@@ -59,6 +60,18 @@ enum microblaze_instr - aputd, taputd, caputd, tcaputd, naputd, tnaputd, ncaputd, tncaputd, - eagetd, teagetd, ecagetd, tecagetd, neagetd, tneagetd, necagetd, tnecagetd, - eaputd, teaputd, ecaputd, tecaputd, neaputd, tneaputd, necaputd, tnecaputd, -+ -+ /* 64-bit instructions */ -+ addl, rsubl, addlc, rsublc, addlk, rsublk, addlkc, rsublkc, cmpl, cmplu, mull, -+ bslll, bslra, bslrl, bsllli, bslrai, bslrli, bslefi, bslifi, orl, andl, xorl, -+ andnl, pcmplbf, pcmpleq, pcmplne, srla, srlc, srll, sextl8, sextl16, sextl32, -+ brea, bread, breald, beaeq, bealeq, beaeqd, bealeqd, beane, bealne, beaned, -+ bealned, bealt, beallt, bealtd, bealltd, beale, bealle, bealed, bealled, beagt, -+ bealgt, beagtd, bealgtd, beage, bealge, beaged, bealged, breai, breaid, brealid, -+ beaeqi, beaeqid, beanei, beaneid, bealti, bealtid, bealei, bealeid, beagti, -+ beagtid, beagei, beageid, imml, ll, llr, sl, slr, -+ dadd, drsub, dmul, ddiv, dcmp_lt, dcmp_eq, dcmp_le, dcmp_gt, dcmp_ne, dcmp_ge, -+ dcmp_un, dbl, dlong, dsqrt, - invalid_inst - }; - -@@ -130,18 +143,25 @@ enum microblaze_instr_type - #define RB_LOW 11 /* Low bit for RB. */ - #define IMM_LOW 0 /* Low bit for immediate. */ - #define IMM_MBAR 21 /* low bit for mbar instruction. */ -+#define IMM_WIDTH_LOW 6 /* Low bit for immediate width */ - - #define RD_MASK 0x03E00000 - #define RA_MASK 0x001F0000 - #define RB_MASK 0x0000F800 - #define IMM_MASK 0x0000FFFF -+#define IMML_MASK 0x00FFFFFF - --/* Imm mask for barrel shifts. */ -+/* Imm masks for barrel shifts. */ - #define IMM5_MASK 0x0000001F -+#define IMM6_MASK 0x0000003F - - /* Imm mask for mbar. */ - #define IMM5_MBAR_MASK 0x03E00000 - -+/* Imm masks for extract/insert width. */ -+#define IMM5_WIDTH_MASK 0x000007C0 -+#define IMM6_WIDTH_MASK 0x00000FC0 -+ - /* FSL imm mask for get, put instructions. */ - #define RFSL_MASK 0x000000F - --- -2.37.1 (Apple Git-137.1) - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0006-Adding-64-bit-MB-support-Added-new-architecture-to-M.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0006-Adding-64-bit-MB-support-Added-new-architecture-to-M.patch new file mode 100644 index 00000000..3a069fdf --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0006-Adding-64-bit-MB-support-Added-new-architecture-to-M.patch @@ -0,0 +1,1891 @@ +From 510b596b8cd25ccb3563555190d5396c7b378522 Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala +Date: Thu, 31 Jan 2019 14:36:00 +0530 +Subject: [PATCH 06/54] Adding 64 bit MB support Added new architecture to + Microblaze 64-bit support to GDB Signed-off-by :Nagaraju Mekala + Signed-off-by :Mahesh Bodapati + +Conflicts: + gdb/Makefile.in + +Conflicts: + bfd/cpu-microblaze.c + gdb/microblaze-tdep.c + ld/Makefile.am + ld/Makefile.in + opcodes/microblaze-dis.c + +Conflicts: + bfd/configure + gas/config/tc-microblaze.c + ld/Makefile.in + opcodes/microblaze-opcm.h + +Conflicts: + gdb/microblaze-tdep.c + +Conflicts: + bfd/elf32-microblaze.c + gas/config/tc-microblaze.c + gdb/features/Makefile + gdb/features/microblaze-with-stack-protect.c + gdb/microblaze-tdep.c + gdb/regformats/microblaze-with-stack-protect.dat + gdbserver/linux-microblaze-low.c + include/elf/common.h + +Signed-off-by: Aayush Misra +--- + bfd/Makefile.am | 2 + + bfd/Makefile.in | 3 + + bfd/archures.c | 2 + + bfd/bfd-in2.h | 31 +++- + bfd/config.bfd | 4 + + bfd/configure | 2 + + bfd/cpu-microblaze.c | 55 +++++- + bfd/elf32-microblaze.c | 155 ++++++++++++++-- + bfd/libbfd.h | 3 + + bfd/reloc.c | 20 +++ + bfd/targets.c | 6 + + gdb/features/Makefile | 2 + + gdb/features/microblaze-core.xml | 6 +- + gdb/features/microblaze-stack-protect.xml | 4 +- + gdb/features/microblaze-with-stack-protect.c | 8 +- + gdb/features/microblaze.c | 6 +- + gdb/features/microblaze64-core.xml | 69 ++++++++ + gdb/features/microblaze64-stack-protect.xml | 12 ++ + .../microblaze64-with-stack-protect.c | 79 +++++++++ + .../microblaze64-with-stack-protect.xml | 12 ++ + gdb/features/microblaze64.c | 77 ++++++++ + gdb/features/microblaze64.xml | 11 ++ + gdb/microblaze-linux-tdep.c | 36 +++- + gdb/microblaze-tdep.c | 125 +++++++++---- + gdb/microblaze-tdep.h | 4 +- + include/elf/common.h | 1 + + include/elf/microblaze.h | 4 + + opcodes/microblaze-dis.c | 51 +++++- + opcodes/microblaze-opc.h | 165 +++++++++++++++++- + opcodes/microblaze-opcm.h | 28 ++- + 30 files changed, 896 insertions(+), 87 deletions(-) + create mode 100644 gdb/features/microblaze64-core.xml + create mode 100644 gdb/features/microblaze64-stack-protect.xml + create mode 100644 gdb/features/microblaze64-with-stack-protect.c + create mode 100644 gdb/features/microblaze64-with-stack-protect.xml + create mode 100644 gdb/features/microblaze64.c + create mode 100644 gdb/features/microblaze64.xml + +diff --git a/bfd/Makefile.am b/bfd/Makefile.am +index 378c13198d6..089d86b6191 100644 +--- a/bfd/Makefile.am ++++ b/bfd/Makefile.am +@@ -568,6 +568,7 @@ BFD64_BACKENDS = \ + elf64-ppc.lo \ + elf64-riscv.lo \ + elf64-s390.lo \ ++ elf64-microblaze.lo \ + elf64-sparc.lo \ + elf64-tilegx.lo \ + elf64-x86-64.lo \ +@@ -615,6 +616,7 @@ BFD64_BACKENDS_CFILES = \ + elf64-nfp.c \ + elf64-ppc.c \ + elf64-s390.c \ ++ elf64-microblaze.c \ + elf64-sparc.c \ + elf64-tilegx.c \ + elf64-x86-64.c \ +diff --git a/bfd/Makefile.in b/bfd/Makefile.in +index 8d09f6fa4af..d9fe20f502b 100644 +--- a/bfd/Makefile.in ++++ b/bfd/Makefile.in +@@ -1025,6 +1025,7 @@ BFD64_BACKENDS = \ + elf64-ppc.lo \ + elf64-riscv.lo \ + elf64-s390.lo \ ++ elf64-microblaze.lo \ + elf64-sparc.lo \ + elf64-tilegx.lo \ + elf64-x86-64.lo \ +@@ -1072,6 +1073,7 @@ BFD64_BACKENDS_CFILES = \ + elf64-nfp.c \ + elf64-ppc.c \ + elf64-s390.c \ ++ elf64-microblaze.c \ + elf64-sparc.c \ + elf64-tilegx.c \ + elf64-x86-64.c \ +@@ -1646,6 +1648,7 @@ distclean-compile: + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-ppc.Plo@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-riscv.Plo@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-s390.Plo@am__quote@ ++@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-microblaze.Plo@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-sparc.Plo@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-tilegx.Plo@am__quote@ + @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf64-x86-64.Plo@am__quote@ +diff --git a/bfd/archures.c b/bfd/archures.c +index b59979e60ac..2994a09bc37 100644 +--- a/bfd/archures.c ++++ b/bfd/archures.c +@@ -515,6 +515,8 @@ DESCRIPTION + . bfd_arch_lm32, {* Lattice Mico32. *} + .#define bfd_mach_lm32 1 + . bfd_arch_microblaze,{* Xilinx MicroBlaze. *} ++.#define bfd_mach_microblaze 1 ++.#define bfd_mach_microblaze64 2 + . bfd_arch_kvx, {* Kalray VLIW core of the MPPA processor family *} + .#define bfd_mach_kv3_unknown 0 + .#define bfd_mach_kv3_1 1 +diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h +index eddb9902f5e..9db63f254a3 100644 +--- a/bfd/bfd-in2.h ++++ b/bfd/bfd-in2.h +@@ -1771,6 +1771,8 @@ enum bfd_architecture + bfd_arch_lm32, /* Lattice Mico32. */ + #define bfd_mach_lm32 1 + bfd_arch_microblaze,/* Xilinx MicroBlaze. */ ++#define bfd_mach_microblaze 1 ++#define bfd_mach_microblaze64 2 + bfd_arch_kvx, /* Kalray VLIW core of the MPPA processor family */ + #define bfd_mach_kv3_unknown 0 + #define bfd_mach_kv3_1 1 +@@ -6461,16 +6463,41 @@ value relative to the read-write small data area anchor */ + expressions of the form "Symbol Op Symbol" */ + BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM, + +-/* This is a 64 bit reloc that stores the 32 bit pc relative ++/* This is a 32 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). No relocation is + done here - only used for relaxing */ +- BFD_RELOC_MICROBLAZE_64_NONE, ++ BFD_RELOC_MICROBLAZE_32_NONE, ++ ++/* This is a 64 bit reloc that stores the 32 bit pc relative ++ * +value in two words (with an imml instruction). No relocation is ++ * +done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_64_PCREL, ++ ++/* This is a 64 bit reloc that stores the 32 bit relative ++ * +value in two words (with an imml instruction). No relocation is ++ * +done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_64, ++ ++/* This is a 64 bit reloc that stores the 32 bit relative ++ * +value in two words (with an imml instruction). No relocation is ++ * +done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_EA64, ++ ++/* This is a 64 bit reloc that stores the 32 bit pc relative ++ * +value in two words (with an imm instruction). No relocation is ++ * +done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_64_NONE, + + /* This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + PC-relative GOT offset */ + BFD_RELOC_MICROBLAZE_64_GOTPC, + ++/* This is a 64 bit reloc that stores the 32 bit pc relative ++value in two words (with an imml instruction). The relocation is ++PC-relative GOT offset */ ++ BFD_RELOC_MICROBLAZE_64_GPC, ++ + /* This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + GOT offset */ +diff --git a/bfd/config.bfd b/bfd/config.bfd +index 08129e6a8cb..3a7d427778c 100644 +--- a/bfd/config.bfd ++++ b/bfd/config.bfd +@@ -884,11 +884,15 @@ case "${targ}" in + microblazeel*-*) + targ_defvec=microblaze_elf32_le_vec + targ_selvecs=microblaze_elf32_vec ++ targ64_selvecs=microblaze_elf64_vec ++ targ64_selvecs=microblaze_elf64_le_vec + ;; + + microblaze*-*) + targ_defvec=microblaze_elf32_vec + targ_selvecs=microblaze_elf32_le_vec ++ targ64_selvecs=microblaze_elf64_vec ++ targ64_selvecs=microblaze_elf64_le_vec + ;; + + #ifdef BFD64 +diff --git a/bfd/configure b/bfd/configure +index f0a07ff675f..b2afdcf9bec 100755 +--- a/bfd/configure ++++ b/bfd/configure +@@ -14062,6 +14062,8 @@ do + rx_elf32_linux_le_vec) tb="$tb elf32-rx.lo elf32.lo $elf" ;; + s390_elf32_vec) tb="$tb elf32-s390.lo elf32.lo $elf" ;; + s390_elf64_vec) tb="$tb elf64-s390.lo elf64.lo $elf"; target_size=64 ;; ++ microblaze_elf64_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;; ++ microblaze_elf64_le_vec) tb="$tb elf64-microblaze.lo elf64.lo $elf"; target_size=64 ;; + score_elf32_be_vec) tb="$tb elf32-score.lo elf32-score7.lo elf32.lo elf64.lo $elf"; want64=true; target_size=64 ;; + score_elf32_le_vec) tb="$tb elf32-score.lo elf32-score7.lo elf32.lo elf64.lo $elf"; want64=true; target_size=64 ;; + sh_coff_vec) tb="$tb coff-sh.lo $coff" ;; +diff --git a/bfd/cpu-microblaze.c b/bfd/cpu-microblaze.c +index c14b170f94b..7557b3de7b3 100644 +--- a/bfd/cpu-microblaze.c ++++ b/bfd/cpu-microblaze.c +@@ -23,13 +23,30 @@ + #include "bfd.h" + #include "libbfd.h" + +-const bfd_arch_info_type bfd_microblaze_arch = ++const bfd_arch_info_type bfd_microblaze_arch[] = ++{ ++#if BFD_DEFAULT_TARGET_SIZE == 64 ++{ ++ 64, /* 32 bits in a word. */ ++ 64, /* 32 bits in an address. */ ++ 8, /* 8 bits in a byte. */ ++ bfd_arch_microblaze, /* Architecture. */ ++ bfd_mach_microblaze64, /* 64 bit Machine */ ++ "microblaze", /* Architecture name. */ ++ "MicroBlaze", /* Printable name. */ ++ 3, /* Section align power. */ ++ false, /* Is this the default architecture ? */ ++ bfd_default_compatible, /* Architecture comparison function. */ ++ bfd_default_scan, /* String to architecture conversion. */ ++ bfd_arch_default_fill, /* Default fill. */ ++ &bfd_microblaze_arch[1] /* Next in list. */ ++}, + { + 32, /* Bits in a word. */ + 32, /* Bits in an address. */ + 8, /* Bits in a byte. */ + bfd_arch_microblaze, /* Architecture number. */ +- 0, /* Machine number - 0 for now. */ ++ bfd_mach_microblaze, /* Machine number - 0 for now. */ + "microblaze", /* Architecture name. */ + "MicroBlaze", /* Printable name. */ + 3, /* Section align power. */ +@@ -39,4 +56,38 @@ const bfd_arch_info_type bfd_microblaze_arch = + bfd_arch_default_fill, /* Default fill. */ + NULL, /* Next in list. */ + 0 /* Maximum offset of a reloc from the start of an insn. */ ++} ++#else ++{ ++ 32, /* 32 bits in a word. */ ++ 32, /* 32 bits in an address. */ ++ 8, /* 8 bits in a byte. */ ++ bfd_arch_microblaze, /* Architecture. */ ++ bfd_mach_microblaze, /* 32 bit Machine */ ++ "microblaze", /* Architecture name. */ ++ "MicroBlaze", /* Printable name. */ ++ 3, /* Section align power. */ ++ true, /* Is this the default architecture ? */ ++ bfd_default_compatible, /* Architecture comparison function. */ ++ bfd_default_scan, /* String to architecture conversion. */ ++ bfd_arch_default_fill, /* Default fill. */ ++ &bfd_microblaze_arch[1] /* Next in list. */ ++}, ++{ ++ 64, /* 32 bits in a word. */ ++ 64, /* 32 bits in an address. */ ++ 8, /* 8 bits in a byte. */ ++ bfd_arch_microblaze, /* Architecture. */ ++ bfd_mach_microblaze64, /* 64 bit Machine */ ++ "microblaze", /* Architecture name. */ ++ "MicroBlaze", /* Printable name. */ ++ 3, /* Section align power. */ ++ false, /* Is this the default architecture ? */ ++ bfd_default_compatible, /* Architecture comparison function. */ ++ bfd_default_scan, /* String to architecture conversion. */ ++ bfd_arch_default_fill, /* Default fill. */ ++ NULL, /* Next in list. */ ++ 0 ++} ++#endif + }; +diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c +index 487ddeafc5a..6ba28e757be 100644 +--- a/bfd/elf32-microblaze.c ++++ b/bfd/elf32-microblaze.c +@@ -114,6 +114,20 @@ static reloc_howto_type microblaze_elf_howto_raw[] = + 0x0000ffff, /* Dest Mask. */ + true), /* PC relative offset? */ + ++ HOWTO (R_MICROBLAZE_IMML_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_IMML_64", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ + /* A 64 bit relocation. Table entry not really used. */ + HOWTO (R_MICROBLAZE_64, /* Type. */ + 0, /* Rightshift. */ +@@ -174,7 +188,21 @@ static reloc_howto_type microblaze_elf_howto_raw[] = + 0x0000ffff, /* Dest Mask. */ + false), /* PC relative offset? */ + +- /* This reloc does nothing. Used for relaxation. */ ++ HOWTO (R_MICROBLAZE_32_NONE, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 32, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_bitfield, /* Complain on overflow. */ ++ NULL, /* Special Function. */ ++ "R_MICROBLAZE_32_NONE",/* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* This reloc does nothing. Used for relaxation. */ + HOWTO (R_MICROBLAZE_64_NONE, /* Type. */ + 0, /* Rightshift. */ + 0, /* Size. */ +@@ -264,6 +292,21 @@ static reloc_howto_type microblaze_elf_howto_raw[] = + 0x0000ffff, /* Dest Mask. */ + true), /* PC relative offset? */ + ++ /* A 64 bit GOTPC relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GPC_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc, /* Special Function. */ ++ "R_MICROBLAZE_GPC_64", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ + /* A 64 bit GOT relocation. Table-entry not really used. */ + HOWTO (R_MICROBLAZE_GOT_64, /* Type. */ + 0, /* Rightshift. */ +@@ -560,6 +603,9 @@ microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, + case BFD_RELOC_NONE: + microblaze_reloc = R_MICROBLAZE_NONE; + break; ++ case BFD_RELOC_MICROBLAZE_32_NONE: ++ microblaze_reloc = R_MICROBLAZE_32_NONE; ++ break; + case BFD_RELOC_MICROBLAZE_64_NONE: + microblaze_reloc = R_MICROBLAZE_64_NONE; + break; +@@ -600,9 +646,15 @@ microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, + case BFD_RELOC_VTABLE_ENTRY: + microblaze_reloc = R_MICROBLAZE_GNU_VTENTRY; + break; ++ case BFD_RELOC_MICROBLAZE_64: ++ microblaze_reloc = R_MICROBLAZE_IMML_64; ++ break; + case BFD_RELOC_MICROBLAZE_64_GOTPC: + microblaze_reloc = R_MICROBLAZE_GOTPC_64; + break; ++ case BFD_RELOC_MICROBLAZE_64_GPC: ++ microblaze_reloc = R_MICROBLAZE_GPC_64; ++ break; + case BFD_RELOC_MICROBLAZE_64_GOT: + microblaze_reloc = R_MICROBLAZE_GOT_64; + break; +@@ -1564,7 +1616,7 @@ microblaze_elf_relocate_section (bfd *output_bfd, + if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0) + { + relocation += addend; +- if (r_type == R_MICROBLAZE_32) ++ if (r_type == R_MICROBLAZE_32)// || r_type == R_MICROBLAZE_IMML_64) + bfd_put_32 (input_bfd, relocation, contents + offset); + else + { +@@ -1969,8 +2021,7 @@ microblaze_elf_relax_section (bfd *abfd, + else + symval += irel->r_addend; + +- if ((symval & 0xffff8000) == 0 +- || (symval & 0xffff8000) == 0xffff8000) ++ if ((symval & 0xffff8000) == 0) + { + /* We can delete this instruction. */ + sdata->relax[sdata->relax_count].addr = irel->r_offset; +@@ -2034,15 +2085,44 @@ microblaze_elf_relax_section (bfd *abfd, + irel->r_addend -= calc_fixup (irel->r_addend, 0, sec); + } + break; +- case R_MICROBLAZE_NONE: ++ case R_MICROBLAZE_IMML_64: ++ { ++ /* This was a PC-relative instruction that was ++ completely resolved. */ ++ int sfix, efix; ++ unsigned int val; ++ bfd_vma target_address; ++ target_address = irel->r_addend + irel->r_offset; ++ sfix = calc_fixup (irel->r_offset, 0, sec); ++ efix = calc_fixup (target_address, 0, sec); ++ ++ /* Validate the in-band val. */ ++ val = bfd_get_32 (abfd, contents + irel->r_offset); ++ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { ++ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); ++ } ++ irel->r_addend -= (efix - sfix); ++ /* Should use HOWTO. */ ++ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, ++ irel->r_addend); ++ } ++ break; ++ case R_MICROBLAZE_32_NONE: + { + /* This was a PC-relative instruction that was + completely resolved. */ + size_t sfix, efix; ++ unsigned int val; + bfd_vma target_address; + target_address = irel->r_addend + irel->r_offset; + sfix = calc_fixup (irel->r_offset, 0, sec); + efix = calc_fixup (target_address, 0, sec); ++ ++ /* Validate the in-band val. */ ++ val = bfd_get_32 (abfd, contents + irel->r_offset); ++ if (val != irel->r_addend && ELF32_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { ++ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); ++ } + irel->r_addend -= (efix - sfix); + /* Should use HOWTO. */ + microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset, +@@ -2059,8 +2139,8 @@ microblaze_elf_relax_section (bfd *abfd, + sfix = calc_fixup (irel->r_offset + INST_WORD_SIZE, 0, sec); + efix = calc_fixup (target_address, 0, sec); + irel->r_addend -= (efix - sfix); +- microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset +- + INST_WORD_SIZE, irel->r_addend); ++ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, ++ irel->r_addend); + } + break; + } +@@ -2090,9 +2170,50 @@ microblaze_elf_relax_section (bfd *abfd, + irelscanend = irelocs + o->reloc_count; + for (irelscan = irelocs; irelscan < irelscanend; irelscan++) + { +- if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32) +- { +- isym = isymbuf + ELF32_R_SYM (irelscan->r_info); ++ if (1 && ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_NONE) ++ { ++ unsigned int val; ++ ++ isym = isymbuf + ELF32_R_SYM (irelscan->r_info); ++ ++ /* hax: We only do the following fixup for debug location lists. */ ++ if (strcmp(".debug_loc", o->name)) ++ continue; ++ ++ /* This was a PC-relative instruction that was completely resolved. */ ++ if (ocontents == NULL) ++ { ++ if (elf_section_data (o)->this_hdr.contents != NULL) ++ ocontents = elf_section_data (o)->this_hdr.contents; ++ else ++ { ++ /* We always cache the section contents. ++ Perhaps, if info->keep_memory is FALSE, we ++ should free them, if we are permitted to. */ ++ ++ if (o->rawsize == 0) ++ o->rawsize = o->size; ++ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); ++ if (ocontents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, o, ocontents, ++ (file_ptr) 0, ++ o->rawsize)) ++ goto error_return; ++ elf_section_data (o)->this_hdr.contents = ocontents; ++ } ++ } ++ val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); ++ if (val != irelscan->r_addend) { ++ fprintf(stderr, "%d: CORRUPT relax reloc! %x %lx\n", __LINE__, val, irelscan->r_addend); ++ } ++ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); ++ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, ++ irelscan->r_addend); ++ } ++ if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32)// || ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_IMML_64) ++ { ++ isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + + /* Look at the reloc only if the value has been resolved. */ + if (isym->st_shndx == shndx +@@ -2149,7 +2270,7 @@ microblaze_elf_relax_section (bfd *abfd, + elf_section_data (o)->this_hdr.contents = ocontents; + } + } +- irelscan->r_addend -= calc_fixup (irel->r_addend ++ irelscan->r_addend -= calc_fixup (irelscan->r_addend + + isym->st_value, + 0, + sec); +@@ -3490,6 +3611,14 @@ microblaze_elf_finish_dynamic_sections (bfd *output_bfd, + return true; + } + ++ ++static bool ++elf_microblaze_object_p (bfd *abfd) ++{ ++ /* Set the right machine number for an s390 elf32 file. */ ++ return bfd_default_set_arch_mach (abfd, bfd_arch_microblaze, bfd_mach_microblaze); ++} ++ + /* Hook called by the linker routine which adds symbols from an object + file. We use it to put .comm items in .sbss, and not .bss. */ + +@@ -3560,8 +3689,6 @@ microblaze_elf_add_symbol_hook (bfd *abfd, + #define elf_backend_finish_dynamic_symbol microblaze_elf_finish_dynamic_symbol + #define elf_backend_size_dynamic_sections microblaze_elf_size_dynamic_sections + #define elf_backend_add_symbol_hook microblaze_elf_add_symbol_hook +- +-#define elf_backend_grok_prstatus microblaze_elf_grok_prstatus +-#define elf_backend_grok_psinfo microblaze_elf_grok_psinfo ++#define elf_backend_object_p elf_microblaze_object_p + + #include "elf32-target.h" +diff --git a/bfd/libbfd.h b/bfd/libbfd.h +index d5f42f22c08..b0e898bf815 100644 +--- a/bfd/libbfd.h ++++ b/bfd/libbfd.h +@@ -3010,6 +3010,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", + "BFD_RELOC_MICROBLAZE_32_ROSDA", + "BFD_RELOC_MICROBLAZE_32_RWSDA", + "BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM", ++ "BFD_RELOC_MICROBLAZE_32_NONE", + "BFD_RELOC_MICROBLAZE_64_NONE", + "BFD_RELOC_MICROBLAZE_64_GOTPC", + "BFD_RELOC_MICROBLAZE_64_GOT", +@@ -3017,6 +3018,8 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", + "BFD_RELOC_MICROBLAZE_64_GOTOFF", + "BFD_RELOC_MICROBLAZE_32_GOTOFF", + "BFD_RELOC_MICROBLAZE_COPY", ++ "BFD_RELOC_MICROBLAZE_64", ++ "BFD_RELOC_MICROBLAZE_64_PCREL", + "BFD_RELOC_MICROBLAZE_64_TLS", + "BFD_RELOC_MICROBLAZE_64_TLSGD", + "BFD_RELOC_MICROBLAZE_64_TLSLD", +diff --git a/bfd/reloc.c b/bfd/reloc.c +index 2ac883d0eac..278876e765e 100644 +--- a/bfd/reloc.c ++++ b/bfd/reloc.c +@@ -6694,6 +6694,12 @@ ENUM + ENUMDOC + This is a 32 bit reloc for the microblaze to handle + expressions of the form "Symbol Op Symbol" ++ENUM ++ BFD_RELOC_MICROBLAZE_32_NONE ++ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imm instruction). No relocation is ++ done here - only used for relaxing + ENUM + BFD_RELOC_MICROBLAZE_64_NONE + ENUMDOC +@@ -7933,6 +7939,20 @@ ENUMX + ENUMDOC + Tilera TILE-Gx Relocations. + ++ This is a 64 bit reloc that stores 64-bit thread pointer relative offset ++ to two words (uses imml instruction). ++ENUM ++BFD_RELOC_MICROBLAZE_64, ++ENUMDOC ++ This is a 64 bit reloc that stores the 64 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++BFD_RELOC_MICROBLAZE_64_PCREL, ++ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing + ENUM + BFD_RELOC_BPF_64 + ENUMX +diff --git a/bfd/targets.c b/bfd/targets.c +index 63b3abbd287..c48c0929157 100644 +--- a/bfd/targets.c ++++ b/bfd/targets.c +@@ -799,6 +799,8 @@ extern const bfd_target mep_elf32_le_vec; + extern const bfd_target metag_elf32_vec; + extern const bfd_target microblaze_elf32_vec; + extern const bfd_target microblaze_elf32_le_vec; ++extern const bfd_target microblaze_elf64_vec; ++extern const bfd_target microblaze_elf64_le_vec; + extern const bfd_target mips_ecoff_be_vec; + extern const bfd_target mips_ecoff_le_vec; + extern const bfd_target mips_ecoff_bele_vec; +@@ -1166,6 +1168,10 @@ static const bfd_target * const _bfd_target_vector[] = + + &metag_elf32_vec, + ++#ifdef BFD64 ++ µblaze_elf64_vec, ++ µblaze_elf64_le_vec, ++#endif + µblaze_elf32_vec, + + &mips_ecoff_be_vec, +diff --git a/gdb/features/Makefile b/gdb/features/Makefile +index 0af9d67c2f7..ee053b7557c 100644 +--- a/gdb/features/Makefile ++++ b/gdb/features/Makefile +@@ -102,7 +102,9 @@ OUTPUTS = $(patsubst %,$(outdir)/%.dat,$(WHICH)) + # to make on the command line. + XMLTOC = \ + microblaze-with-stack-protect.xml \ ++ microblaze64-with-stack-protect.xml \ + microblaze.xml \ ++ microblaze64.xml \ + mips-dsp-linux.xml \ + mips-linux.xml \ + mips64-dsp-linux.xml \ +diff --git a/gdb/features/microblaze-core.xml b/gdb/features/microblaze-core.xml +index d49aa075bae..ac052365773 100644 +--- a/gdb/features/microblaze-core.xml ++++ b/gdb/features/microblaze-core.xml +@@ -8,7 +8,7 @@ + + + +- ++ + + + +@@ -39,7 +39,7 @@ + + + +- ++ + + + +@@ -64,4 +64,6 @@ + + + ++ ++ + +diff --git a/gdb/features/microblaze-stack-protect.xml b/gdb/features/microblaze-stack-protect.xml +index a5ffe2e50b1..b15369e03a4 100644 +--- a/gdb/features/microblaze-stack-protect.xml ++++ b/gdb/features/microblaze-stack-protect.xml +@@ -7,6 +7,6 @@ + + + +- +- ++ ++ + +diff --git a/gdb/features/microblaze-with-stack-protect.c b/gdb/features/microblaze-with-stack-protect.c +index 574dc02db67..8ab9565a047 100644 +--- a/gdb/features/microblaze-with-stack-protect.c ++++ b/gdb/features/microblaze-with-stack-protect.c +@@ -14,7 +14,7 @@ initialize_tdesc_microblaze_with_stack_protect (void) + + feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.core"); + tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "data_ptr"); ++ tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int"); +@@ -45,7 +45,7 @@ initialize_tdesc_microblaze_with_stack_protect (void) + tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "code_ptr"); ++ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rear", 34, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); +@@ -72,8 +72,8 @@ initialize_tdesc_microblaze_with_stack_protect (void) + tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); + + feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.stack-protect"); +- tdesc_create_reg (feature, "rslr", 57, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "rshr", 58, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "slr", 57, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "shr", 58, 1, NULL, 32, "int"); + + tdesc_microblaze_with_stack_protect = result.release (); + } +diff --git a/gdb/features/microblaze.c b/gdb/features/microblaze.c +index 8f1fb0a142f..ed12e5bcfd2 100644 +--- a/gdb/features/microblaze.c ++++ b/gdb/features/microblaze.c +@@ -14,7 +14,7 @@ initialize_tdesc_microblaze (void) + + feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.core"); + tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "data_ptr"); ++ tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int"); +@@ -45,7 +45,7 @@ initialize_tdesc_microblaze (void) + tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "code_ptr"); ++ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rear", 34, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); +@@ -70,6 +70,8 @@ initialize_tdesc_microblaze (void) + tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); + + tdesc_microblaze = result.release (); + } +diff --git a/gdb/features/microblaze64-core.xml b/gdb/features/microblaze64-core.xml +new file mode 100644 +index 00000000000..96e99e2fb24 +--- /dev/null ++++ b/gdb/features/microblaze64-core.xml +@@ -0,0 +1,69 @@ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ ++ +diff --git a/gdb/features/microblaze64-stack-protect.xml b/gdb/features/microblaze64-stack-protect.xml +new file mode 100644 +index 00000000000..1bbf5fc3cea +--- /dev/null ++++ b/gdb/features/microblaze64-stack-protect.xml +@@ -0,0 +1,12 @@ ++ ++ ++ ++ ++ ++ ++ ++ +diff --git a/gdb/features/microblaze64-with-stack-protect.c b/gdb/features/microblaze64-with-stack-protect.c +new file mode 100644 +index 00000000000..a4de4666c76 +--- /dev/null ++++ b/gdb/features/microblaze64-with-stack-protect.c +@@ -0,0 +1,79 @@ ++/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro: ++ Original: microblaze-with-stack-protect.xml */ ++ ++#include "defs.h" ++#include "osabi.h" ++#include "target-descriptions.h" ++ ++struct target_desc *tdesc_microblaze64_with_stack_protect; ++static void ++initialize_tdesc_microblaze64_with_stack_protect (void) ++{ ++ target_desc_up result = allocate_target_description (); ++ struct tdesc_feature *feature; ++ ++ feature = tdesc_create_feature (result.get() , "org.gnu.gdb.microblaze64.core"); ++ tdesc_create_reg (feature, "r0", 0, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r1", 1, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r2", 2, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r3", 3, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r4", 4, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r5", 5, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r6", 6, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r7", 7, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r8", 8, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r9", 9, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r10", 10, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r11", 11, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r12", 12, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r13", 13, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r14", 14, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r15", 15, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r16", 16, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r17", 17, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r18", 18, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r19", 19, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r20", 20, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r21", 21, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r22", 22, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r23", 23, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r24", 24, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r25", 25, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r26", 26, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r27", 27, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r28", 28, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r29", 29, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r30", 30, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r31", 31, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rear", 34, 1, NULL, 64, "int"); ++ tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rfsr", 36, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rbtr", 37, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rpvr0", 38, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr1", 39, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr2", 40, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr3", 41, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr4", 42, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr5", 43, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr6", 44, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr7", 45, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr8", 46, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rpvr9", 47, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rpvr10", 48, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr11", 49, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "redr", 50, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpid", 51, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rzpr", 52, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbx", 53, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); ++ ++ feature = tdesc_create_feature (result.get(), "org.gnu.gdb.microblaze64.stack-protect"); ++ tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); ++ ++ tdesc_microblaze64_with_stack_protect = result.release(); ++} +diff --git a/gdb/features/microblaze64-with-stack-protect.xml b/gdb/features/microblaze64-with-stack-protect.xml +new file mode 100644 +index 00000000000..0e9f01611f3 +--- /dev/null ++++ b/gdb/features/microblaze64-with-stack-protect.xml +@@ -0,0 +1,12 @@ ++ ++ ++ ++ ++ ++ ++ ++ +diff --git a/gdb/features/microblaze64.c b/gdb/features/microblaze64.c +new file mode 100644 +index 00000000000..8ab7a90dd95 +--- /dev/null ++++ b/gdb/features/microblaze64.c +@@ -0,0 +1,77 @@ ++/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro: ++ Original: microblaze.xml */ ++ ++#include "defs.h" ++#include "osabi.h" ++#include "target-descriptions.h" ++ ++struct target_desc *tdesc_microblaze64; ++static void ++initialize_tdesc_microblaze64 (void) ++{ ++ target_desc_up result = allocate_target_description (); ++ struct tdesc_feature *feature; ++ ++ feature = tdesc_create_feature (result.get(), "org.gnu.gdb.microblaze64.core"); ++ tdesc_create_reg (feature, "r0", 0, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r1", 1, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r2", 2, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r3", 3, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r4", 4, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r5", 5, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r6", 6, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r7", 7, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r8", 8, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r9", 9, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r10", 10, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r11", 11, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r12", 12, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r13", 13, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r14", 14, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r15", 15, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r16", 16, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r17", 17, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r18", 18, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r19", 19, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r20", 20, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r21", 21, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r22", 22, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r23", 23, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r24", 24, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r25", 25, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r26", 26, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r27", 27, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r28", 28, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r29", 29, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r30", 30, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "r31", 31, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rear", 34, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rfsr", 36, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rbtr", 37, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rpvr0", 38, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr1", 39, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr2", 40, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr3", 41, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr4", 42, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr5", 43, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr6", 44, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr7", 45, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr8", 46, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rpvr9", 47, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "rpvr10", 48, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpvr11", 49, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "redr", 50, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpid", 51, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rzpr", 52, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbx", 53, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); ++ ++ tdesc_microblaze64 = result.release(); ++} +diff --git a/gdb/features/microblaze64.xml b/gdb/features/microblaze64.xml +new file mode 100644 +index 00000000000..515d18e65cf +--- /dev/null ++++ b/gdb/features/microblaze64.xml +@@ -0,0 +1,11 @@ ++ ++ ++ ++ ++ ++ ++ +diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c +index 5b57bb4d3ba..39592a43f7c 100644 +--- a/gdb/microblaze-linux-tdep.c ++++ b/gdb/microblaze-linux-tdep.c +@@ -40,6 +40,7 @@ + #include "features/microblaze-linux.c" + + static int microblaze_debug_flag = 0; ++int MICROBLAZE_REGISTER_SIZE=4; + + static void + microblaze_debug (const char *fmt, ...) +@@ -55,6 +56,7 @@ microblaze_debug (const char *fmt, ...) + } + } + ++#if 0 + static int + microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + struct bp_target_info *bp_tgt) +@@ -86,6 +88,8 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + return val; + } + ++#endif ++ + static void + microblaze_linux_sigtramp_cache (frame_info_ptr next_frame, + struct trad_frame_cache *this_cache, +@@ -147,8 +151,8 @@ microblaze_linux_init_abi (struct gdbarch_info info, + + linux_init_abi (info, gdbarch, 0); + +- set_gdbarch_memory_remove_breakpoint (gdbarch, +- microblaze_linux_memory_remove_breakpoint); ++ // set_gdbarch_memory_remove_breakpoint (gdbarch, ++ // microblaze_linux_memory_remove_breakpoint); + + /* Shared library handling. */ + set_solib_svr4_fetch_link_map_offsets (gdbarch, +@@ -160,10 +164,30 @@ microblaze_linux_init_abi (struct gdbarch_info info, + + /* BFD target for core files. */ + if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) +- set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); ++ { ++ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) { ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf64-microblaze"); ++ MICROBLAZE_REGISTER_SIZE=8; ++ } ++ else ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); ++ } + else +- set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); ++ { ++ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) { ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf64-microblazeel"); ++ MICROBLAZE_REGISTER_SIZE=8; ++ } ++ else ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); ++ } + ++ switch (info.bfd_arch_info->mach) ++ { ++ case bfd_mach_microblaze64: ++ set_gdbarch_ptr_bit (gdbarch, 64); ++ break; ++ } + + /* Shared library handling. */ + set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); +@@ -178,7 +202,9 @@ void _initialize_microblaze_linux_tdep (); + void + _initialize_microblaze_linux_tdep () + { +- gdbarch_register_osabi (bfd_arch_microblaze, 0, GDB_OSABI_LINUX, ++ gdbarch_register_osabi (bfd_arch_microblaze, bfd_mach_microblaze, GDB_OSABI_LINUX, ++ microblaze_linux_init_abi); ++ gdbarch_register_osabi (bfd_arch_microblaze, bfd_mach_microblaze64, GDB_OSABI_LINUX, + microblaze_linux_init_abi); + initialize_tdesc_microblaze_linux (); + } +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 066602b385a..9450882e850 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -40,7 +40,9 @@ + #include "remote.h" + + #include "features/microblaze-with-stack-protect.c" ++#include "features/microblaze64-with-stack-protect.c" + #include "features/microblaze.c" ++#include "features/microblaze64.c" + + /* Instruction macros used for analyzing the prologue. */ + /* This set of instruction macros need to be changed whenever the +@@ -75,12 +77,13 @@ static const char * const microblaze_register_names[] = + "rpvr0", "rpvr1", "rpvr2", "rpvr3", "rpvr4", "rpvr5", "rpvr6", + "rpvr7", "rpvr8", "rpvr9", "rpvr10", "rpvr11", + "redr", "rpid", "rzpr", "rtlbx", "rtlbsx", "rtlblo", "rtlbhi", +- "rslr", "rshr" ++ "slr", "shr" + }; + + #define MICROBLAZE_NUM_REGS ARRAY_SIZE (microblaze_register_names) + + static unsigned int microblaze_debug_flag = 0; ++int reg_size = 4; + + #define microblaze_debug(fmt, ...) \ + debug_prefixed_printf_cond_nofunc (microblaze_debug_flag, "MICROBLAZE", \ +@@ -128,6 +131,15 @@ microblaze_fetch_instruction (CORE_ADDR pc) + constexpr gdb_byte microblaze_break_insn[] = MICROBLAZE_BREAKPOINT; + + typedef BP_MANIPULATION (microblaze_break_insn) microblaze_breakpoint; ++static CORE_ADDR ++microblaze_store_arguments (struct regcache *regcache, int nargs, ++ struct value **args, CORE_ADDR sp, ++ int struct_return, CORE_ADDR struct_addr) ++{ ++ error (_("store_arguments not implemented")); ++ return sp; ++} ++#if 0 + static int + microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + struct bp_target_info *bp_tgt) +@@ -146,7 +158,6 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + /* Make sure we see the memory breakpoints. */ + scoped_restore restore_memory + = make_scoped_restore_show_memory_breakpoints (1); +- + val = target_read_memory (addr, old_contents, bplen); + + /* If our breakpoint is no longer at the address, this means that the +@@ -161,6 +172,7 @@ microblaze_linux_memory_remove_breakpoint (struct gdbarch *gdbarch, + return val; + } + ++#endif + /* Allocate and initialize a frame cache. */ + + static struct microblaze_frame_cache * +@@ -583,11 +595,11 @@ microblaze_extract_return_value (struct type *type, struct regcache *regcache, + { + case 1: /* return last byte in the register. */ + regcache->cooked_read (MICROBLAZE_RETVAL_REGNUM, buf); +- memcpy(valbuf, buf + MICROBLAZE_REGISTER_SIZE - 1, 1); ++ memcpy(valbuf, buf + reg_size - 1, 1); + return; + case 2: /* return last 2 bytes in register. */ + regcache->cooked_read (MICROBLAZE_RETVAL_REGNUM, buf); +- memcpy(valbuf, buf + MICROBLAZE_REGISTER_SIZE - 2, 2); ++ memcpy(valbuf, buf + reg_size - 2, 2); + return; + case 4: /* for sizes 4 or 8, copy the required length. */ + case 8: +@@ -753,6 +765,12 @@ microblaze_software_single_step (struct regcache *regcache) + } + #endif + ++static void ++microblaze_write_pc (struct regcache *regcache, CORE_ADDR pc) ++{ ++ regcache_cooked_write_unsigned (regcache, MICROBLAZE_PC_REGNUM, pc); ++} ++ + static int dwarf2_to_reg_map[78] = + { 0 /* r0 */, 1 /* r1 */, 2 /* r2 */, 3 /* r3 */, /* 0- 3 */ + 4 /* r4 */, 5 /* r5 */, 6 /* r6 */, 7 /* r7 */, /* 4- 7 */ +@@ -787,13 +805,14 @@ microblaze_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int reg) + static void + microblaze_register_g_packet_guesses (struct gdbarch *gdbarch) + { ++ + register_remote_g_packet_guess (gdbarch, + 4 * MICROBLAZE_NUM_CORE_REGS, +- tdesc_microblaze); ++ tdesc_microblaze64); + + register_remote_g_packet_guess (gdbarch, + 4 * MICROBLAZE_NUM_REGS, +- tdesc_microblaze_with_stack_protect); ++ tdesc_microblaze64_with_stack_protect); + } + + void +@@ -801,7 +820,7 @@ microblaze_supply_gregset (const struct regset *regset, + struct regcache *regcache, + int regnum, const void *gregs) + { +- const unsigned int *regs = (const unsigned int *)gregs; ++ const gdb_byte *regs = (const gdb_byte *) gregs; + if (regnum >= 0) + regcache->raw_supply (regnum, regs + regnum); + +@@ -809,7 +828,7 @@ microblaze_supply_gregset (const struct regset *regset, + int i; + + for (i = 0; i < 50; i++) { +- regcache->raw_supply (i, regs + i); ++ regcache->raw_supply (regnum, regs + i); + } + } + } +@@ -832,6 +851,17 @@ microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch, + } + + ++static void ++make_regs (struct gdbarch *arch) ++{ ++ struct gdbarch_tdep *tdep = gdbarch_tdep (arch); ++ int mach = gdbarch_bfd_arch_info (arch)->mach; ++ ++ if (mach == bfd_mach_microblaze64) ++ { ++ set_gdbarch_ptr_bit (arch, 64); ++ } ++} + + static struct gdbarch * + microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) +@@ -844,8 +874,15 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + if (arches != NULL) + return arches->gdbarch; + if (tdesc == NULL) +- tdesc = tdesc_microblaze; +- ++ { ++ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ { ++ tdesc = tdesc_microblaze64; ++ reg_size = 8; ++ } ++ else ++ tdesc = tdesc_microblaze; ++ } + /* Check any target description for validity. */ + if (tdesc_has_registers (tdesc)) + { +@@ -853,31 +890,42 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + int valid_p; + int i; + +- feature = tdesc_find_feature (tdesc, +- "org.gnu.gdb.microblaze.core"); ++ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ feature = tdesc_find_feature (tdesc, ++ "org.gnu.gdb.microblaze64.core"); ++ else ++ feature = tdesc_find_feature (tdesc, ++ "org.gnu.gdb.microblaze.core"); + if (feature == NULL) + return NULL; + tdesc_data = tdesc_data_alloc (); + + valid_p = 1; +- for (i = 0; i < MICROBLAZE_NUM_CORE_REGS; i++) +- valid_p &= tdesc_numbered_register (feature, tdesc_data.get (), i, +- microblaze_register_names[i]); +- feature = tdesc_find_feature (tdesc, +- "org.gnu.gdb.microblaze.stack-protect"); ++ for (i = 0; i < MICROBLAZE_NUM_REGS; i++) ++ valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), i, ++ microblaze_register_names[i]); ++ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ feature = tdesc_find_feature (tdesc, ++ "org.gnu.gdb.microblaze64.stack-protect"); ++ else ++ feature = tdesc_find_feature (tdesc, ++ "org.gnu.gdb.microblaze.stack-protect"); + if (feature != NULL) +- { +- valid_p = 1; +- valid_p &= tdesc_numbered_register (feature, tdesc_data.get (), +- MICROBLAZE_SLR_REGNUM, +- "rslr"); +- valid_p &= tdesc_numbered_register (feature, tdesc_data.get (), +- MICROBLAZE_SHR_REGNUM, +- "rshr"); +- } ++ { ++ valid_p = 1; ++ valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), ++ MICROBLAZE_SLR_REGNUM, ++ "slr"); ++ valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), ++ MICROBLAZE_SHR_REGNUM, ++ "shr"); ++ } + + if (!valid_p) +- return NULL; ++ { ++ // tdesc_data_cleanup (tdesc_data.get ()); ++ return NULL; ++ } + } + + /* Allocate space for the new architecture. */ +@@ -897,7 +945,17 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + /* Register numbers of various important registers. */ + set_gdbarch_sp_regnum (gdbarch, MICROBLAZE_SP_REGNUM); + set_gdbarch_pc_regnum (gdbarch, MICROBLAZE_PC_REGNUM); ++ ++ /* Register set. ++ make_regs (gdbarch); */ ++ switch (info.bfd_arch_info->mach) ++ { ++ case bfd_mach_microblaze64: ++ set_gdbarch_ptr_bit (gdbarch, 64); ++ break; ++ } + ++ + /* Map Dwarf2 registers to GDB registers. */ + set_gdbarch_dwarf2_reg_to_regnum (gdbarch, microblaze_dwarf2_reg_to_regnum); + +@@ -917,7 +975,9 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + microblaze_breakpoint::kind_from_pc); + set_gdbarch_sw_breakpoint_from_kind (gdbarch, + microblaze_breakpoint::bp_from_kind); +- set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); ++// set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); ++ ++// set_gdbarch_software_single_step (gdbarch, microblaze_software_single_step); + + set_gdbarch_software_single_step (gdbarch, microblaze_software_single_step); + +@@ -925,7 +985,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + + set_gdbarch_unwind_pc (gdbarch, microblaze_unwind_pc); + +- microblaze_register_g_packet_guesses (gdbarch); ++ //microblaze_register_g_packet_guesses (gdbarch); + + frame_base_set_default (gdbarch, µblaze_frame_base); + +@@ -940,12 +1000,11 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + tdesc_use_registers (gdbarch, tdesc, std::move (tdesc_data)); + //frame_base_append_sniffer (gdbarch, microblaze_frame_sniffer); + +- /* If we have register sets, enable the generic core file support. */ ++ /* If we have register sets, enable the generic core file support. + if (tdep->gregset) { + set_gdbarch_iterate_over_regset_sections (gdbarch, + microblaze_iterate_over_regset_sections); +- } +- ++ }*/ + return gdbarch; + } + +@@ -957,6 +1016,8 @@ _initialize_microblaze_tdep () + + initialize_tdesc_microblaze_with_stack_protect (); + initialize_tdesc_microblaze (); ++ initialize_tdesc_microblaze64_with_stack_protect (); ++ initialize_tdesc_microblaze64 (); + /* Debug this files internals. */ + add_setshow_zuinteger_cmd ("microblaze", class_maintenance, + µblaze_debug_flag, _("\ +diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h +index 21f206777f0..542cdd82070 100644 +--- a/gdb/microblaze-tdep.h ++++ b/gdb/microblaze-tdep.h +@@ -28,7 +28,7 @@ struct microblaze_gregset + microblaze_gregset() {} + unsigned int gregs[32]; + unsigned int fpregs[32]; +- unsigned int pregs[16]; ++ unsigned int pregs[18]; + }; + + struct microblaze_gdbarch_tdep : gdbarch_tdep_base +@@ -134,7 +134,7 @@ struct microblaze_frame_cache + struct trad_frame_saved_reg *saved_regs; + }; + /* All registers are 32 bits. */ +-#define MICROBLAZE_REGISTER_SIZE 4 ++//#define MICROBLAZE_REGISTER_SIZE 8 + + /* MICROBLAZE_BREAKPOINT defines the breakpoint that should be used. + Only used for native debugging. */ +diff --git a/include/elf/common.h b/include/elf/common.h +index 244b13361e5..6395f69426f 100644 +--- a/include/elf/common.h ++++ b/include/elf/common.h +@@ -360,6 +360,7 @@ + #define EM_U16_U8CORE 260 /* LAPIS nX-U16/U8 */ + #define EM_TACHYUM 261 /* Tachyum */ + #define EM_56800EF 262 /* NXP 56800EF Digital Signal Controller (DSC) */ ++#define EM_MB_64 263 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ + + /* If it is necessary to assign new unofficial EM_* values, please pick large + random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision +diff --git a/include/elf/microblaze.h b/include/elf/microblaze.h +index fecdd7e4831..3306e3c3ad6 100644 +--- a/include/elf/microblaze.h ++++ b/include/elf/microblaze.h +@@ -61,6 +61,10 @@ START_RELOC_NUMBERS (elf_microblaze_reloc_type) + RELOC_NUMBER (R_MICROBLAZE_TEXTPCREL_64, 30) /* PC-relative TEXT offset. */ + RELOC_NUMBER (R_MICROBLAZE_TEXTREL_64, 31) /* TEXT Entry offset 64-bit. */ + RELOC_NUMBER (R_MICROBLAZE_TEXTREL_32_LO, 32) /* TEXT Entry offset 32-bit. */ ++ RELOC_NUMBER (R_MICROBLAZE_32_NONE, 33) ++ RELOC_NUMBER (R_MICROBLAZE_IMML_64, 34) ++ RELOC_NUMBER (R_MICROBLAZE_GPC_64, 35) /* GOT entry offset. */ ++ + END_RELOC_NUMBERS (R_MICROBLAZE_max) + + /* Global base address names. */ +diff --git a/opcodes/microblaze-dis.c b/opcodes/microblaze-dis.c +index 12981abfea1..c910f2ff210 100644 +--- a/opcodes/microblaze-dis.c ++++ b/opcodes/microblaze-dis.c +@@ -33,6 +33,7 @@ + #define get_field_r1(buf, instr) get_field (buf, instr, RA_MASK, RA_LOW) + #define get_field_r2(buf, instr) get_field (buf, instr, RB_MASK, RB_LOW) + #define get_int_field_imm(instr) ((instr & IMM_MASK) >> IMM_LOW) ++#define get_int_field_imml(instr) ((instr & IMML_MASK) >> IMM_LOW) + #define get_int_field_r1(instr) ((instr & RA_MASK) >> RA_LOW) + + #define NUM_STRBUFS 3 +@@ -73,11 +74,20 @@ get_field_imm (struct string_buf *buf, long instr) + } + + static char * +-get_field_imm5 (struct string_buf *buf, long instr) ++get_field_imml (struct string_buf *buf, long instr) + { + char *p = strbuf (buf); + +- sprintf (p, "%d", (short)((instr & IMM5_MASK) >> IMM_LOW)); ++ sprintf (p, "%d", (int)((instr & IMML_MASK) >> IMM_LOW)); ++ return p; ++} ++ ++static char * ++get_field_imms (struct string_buf *buf, long instr) ++{ ++ char *p = strbuf (buf); ++ ++ sprintf (p, "%d", (short)((instr & IMM6_MASK) >> IMM_LOW)); + return p; + } + +@@ -90,6 +100,18 @@ get_field_imm5_mbar (struct string_buf *buf, long instr) + return p; + } + ++static char * ++get_field_immw (struct string_buf *buf, long instr) ++{ ++ char *p = strbuf (buf); ++ ++ if (instr & 0x00004000) ++ sprintf (p, "%d", (short)(((instr & IMM6_WIDTH_MASK) >> IMM_WIDTH_LOW))); /* bsefi */ ++ else ++ sprintf (p, "%d", (short)(((instr & IMM6_WIDTH_MASK) >> IMM_WIDTH_LOW) - ((instr & IMM6_MASK) >> IMM_LOW) + 1)); /* bsifi */ ++ return p; ++} ++ + static char * + get_field_rfsl (struct string_buf *buf, long instr) + { +@@ -296,9 +318,14 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) + } + } + break; +- case INST_TYPE_RD_R1_IMM5: ++ case INST_TYPE_RD_R1_IMML: ++ print_func (stream, "\t%s, %s, %s", get_field_rd (&buf, inst), ++ get_field_r1(&buf, inst), get_field_imm (&buf, inst)); ++ /* TODO: Also print symbol */ ++ break; ++ case INST_TYPE_RD_R1_IMMS: + print_func (stream, "\t%s, %s, %s", get_field_rd (&buf, inst), +- get_field_r1 (&buf, inst), get_field_imm5 (&buf, inst)); ++ get_field_r1(&buf, inst), get_field_imms (&buf, inst)); + break; + case INST_TYPE_RD_RFSL: + print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), +@@ -402,9 +429,12 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) + } + } + break; +- case INST_TYPE_RD_R2: +- print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), +- get_field_r2 (&buf, inst)); ++ case INST_TYPE_IMML: ++ print_func (stream, "\t%s", get_field_imml (&buf, inst)); ++ /* TODO: Also print symbol */ ++ break; ++ case INST_TYPE_RD_R2: ++ print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), get_field_r2 (&buf, inst)); + break; + case INST_TYPE_R2: + print_func (stream, "\t%s", get_field_r2 (&buf, inst)); +@@ -427,7 +457,12 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) + /* For mbar 16 or sleep insn. */ + case INST_TYPE_NONE: + break; +- /* For tuqula instruction */ ++ /* For bit field insns. */ ++ case INST_TYPE_RD_R1_IMMW_IMMS: ++ print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst), get_field_r1(&buf, inst), ++ get_field_immw (&buf, inst), get_field_imms (&buf, inst)); ++ break; ++ /* For tuqula instruction */ + case INST_TYPE_RD: + print_func (stream, "\t%s", get_field_rd (&buf, inst)); + break; +diff --git a/opcodes/microblaze-opc.h b/opcodes/microblaze-opc.h +index 7398e9e246a..dc78712d67b 100644 +--- a/opcodes/microblaze-opc.h ++++ b/opcodes/microblaze-opc.h +@@ -40,7 +40,7 @@ + #define INST_TYPE_RD_SPECIAL 11 + #define INST_TYPE_R1 12 + /* New instn type for barrel shift imms. */ +-#define INST_TYPE_RD_R1_IMM5 13 ++#define INST_TYPE_RD_R1_IMMS 13 + #define INST_TYPE_RD_RFSL 14 + #define INST_TYPE_R1_RFSL 15 + +@@ -59,6 +59,15 @@ + /* For mbar. */ + #define INST_TYPE_IMM5 20 + ++/* For bsefi and bsifi */ ++#define INST_TYPE_RD_R1_IMMW_IMMS 21 ++ ++/* For 64-bit instructions */ ++#define INST_TYPE_IMML 22 ++#define INST_TYPE_RD_R1_IMML 23 ++#define INST_TYPE_R1_IMML 24 ++#define INST_TYPE_RD_R1_IMMW_IMMS 21 ++ + #define INST_TYPE_NONE 25 + + +@@ -88,11 +97,14 @@ + #define OPCODE_MASK_H24 0xFC1F07FF /* High 6, bits 20-16 and low 11 bits. */ + #define OPCODE_MASK_H124 0xFFFF07FF /* High 16, and low 11 bits. */ + #define OPCODE_MASK_H1234 0xFFFFFFFF /* All 32 bits. */ +-#define OPCODE_MASK_H3 0xFC000600 /* High 6 bits and bits 21, 22. */ ++#define OPCODE_MASK_H3 0xFC000700 /* High 6 bits and bits 21, 22, 23. */ ++#define OPCODE_MASK_H3B 0xFC00E600 /* High 6 bits and bits 16, 17, 18, 21, 22. */ + #define OPCODE_MASK_H32 0xFC00FC00 /* High 6 bits and bit 16-21. */ ++#define OPCODE_MASK_H32B 0xFC00E000 /* High 6 bits and bit 16, 17, 18. */ + #define OPCODE_MASK_H34B 0xFC0000FF /* High 6 bits and low 8 bits. */ + #define OPCODE_MASK_H35B 0xFC0004FF /* High 6 bits and low 9 bits. */ + #define OPCODE_MASK_H34C 0xFC0007E0 /* High 6 bits and bits 21-26. */ ++#define OPCODE_MASK_H8 0xFF000000 /* High 8 bits only. */ + + /* New Mask for msrset, msrclr insns. */ + #define OPCODE_MASK_H23N 0xFC1F8000 /* High 6 and bits 11 - 16. */ +@@ -102,7 +114,7 @@ + #define DELAY_SLOT 1 + #define NO_DELAY_SLOT 0 + +-#define MAX_OPCODES 300 ++#define MAX_OPCODES 412 + + const struct op_code_struct + { +@@ -120,6 +132,7 @@ const struct op_code_struct + /* More info about output format here. */ + } microblaze_opcodes[MAX_OPCODES] = + { ++ /* 32-bit instructions */ + {"add", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000000, OPCODE_MASK_H4, add, arithmetic_inst }, + {"rsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H4, rsub, arithmetic_inst }, + {"addc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000000, OPCODE_MASK_H4, addc, arithmetic_inst }, +@@ -156,9 +169,11 @@ const struct op_code_struct + {"ncget", INST_TYPE_RD_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C006000, OPCODE_MASK_H32, ncget, anyware_inst }, + {"ncput", INST_TYPE_R1_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C00E000, OPCODE_MASK_H32, ncput, anyware_inst }, + {"muli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x60000000, OPCODE_MASK_H, muli, mult_inst }, +- {"bslli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3, bslli, barrel_shift_inst }, +- {"bsrai", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3, bsrai, barrel_shift_inst }, +- {"bsrli", INST_TYPE_RD_R1_IMM5, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3, bsrli, barrel_shift_inst }, ++ {"bslli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000400, OPCODE_MASK_H3B, bslli, barrel_shift_inst }, ++ {"bsrai", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000200, OPCODE_MASK_H3B, bsrai, barrel_shift_inst }, ++ {"bsrli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64000000, OPCODE_MASK_H3B, bsrli, barrel_shift_inst }, ++ {"bsefi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64004000, OPCODE_MASK_H32B, bsefi, barrel_shift_inst }, ++ {"bsifi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64008000, OPCODE_MASK_H32B, bsifi, barrel_shift_inst }, + {"or", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000000, OPCODE_MASK_H4, microblaze_or, logical_inst }, + {"and", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000000, OPCODE_MASK_H4, microblaze_and, logical_inst }, + {"xor", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000000, OPCODE_MASK_H4, microblaze_xor, logical_inst }, +@@ -260,9 +275,7 @@ const struct op_code_struct + {"la", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* la translates to addik. */ + {"tuqula",INST_TYPE_RD, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x3000002A, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* tuqula rd translates to addik rd, r0, 42. */ + {"not", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA800FFFF, OPCODE_MASK_H34, invalid_inst, logical_inst }, /* not translates to xori rd,ra,-1. */ +- {"neg", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* neg translates to rsub rd, ra, r0. */ + {"rtb", INST_TYPE_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB6000004, OPCODE_MASK_H1, invalid_inst, return_inst }, /* rtb translates to rts rd, 4. */ +- {"sub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* sub translates to rsub rd, rb, ra. */ + {"lmi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xE8000000, OPCODE_MASK_H, invalid_inst, memory_load_inst }, + {"smi", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xF8000000, OPCODE_MASK_H, invalid_inst, memory_store_inst }, + {"msrset",INST_TYPE_RD_IMM15, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x94100000, OPCODE_MASK_H23N, msrset, special_inst }, +@@ -418,6 +431,130 @@ const struct op_code_struct + {"suspend", INST_TYPE_NONE, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBB020004, OPCODE_MASK_HN, invalid_inst, special_inst }, /* translates to mbar 24. */ + {"swapb", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900001E0, OPCODE_MASK_H4, swapb, arithmetic_inst }, + {"swaph", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x900001E2, OPCODE_MASK_H4, swaph, arithmetic_inst }, ++ /* 64-bit instructions */ ++ {"addl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x00000100, OPCODE_MASK_H4, addl, arithmetic_inst }, ++ {"rsubl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000100, OPCODE_MASK_H4, rsubl, arithmetic_inst }, ++ {"addlc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x08000100, OPCODE_MASK_H4, addlc, arithmetic_inst }, ++ {"rsublc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x0C000100, OPCODE_MASK_H4, rsublc, arithmetic_inst }, ++ {"addlk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x10000100, OPCODE_MASK_H4, addlk, arithmetic_inst }, ++ {"rsublk", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000100, OPCODE_MASK_H4, rsublk, arithmetic_inst }, ++ {"addlkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x18000100, OPCODE_MASK_H4, addlkc, arithmetic_inst }, ++ {"rsublkc", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x1C000100, OPCODE_MASK_H4, rsublkc, arithmetic_inst }, ++ {"cmpl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000101, OPCODE_MASK_H4, cmpl, arithmetic_inst }, ++ {"cmplu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000103, OPCODE_MASK_H4, cmplu, arithmetic_inst }, ++ {"addli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x20000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"rsubli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x24000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"addlic", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x28000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"rsublic", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x2C000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"addlik", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"rsublik", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x34000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"addlikc", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x38000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"rsublikc",INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x3C000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"mull", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x40000100, OPCODE_MASK_H4, mull, mult_inst }, ++ {"bslll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000500, OPCODE_MASK_H3, bslll, barrel_shift_inst }, ++ {"bslra", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000300, OPCODE_MASK_H3, bslra, barrel_shift_inst }, ++ {"bslrl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000100, OPCODE_MASK_H3, bslrl, barrel_shift_inst }, ++ {"bsllli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002400, OPCODE_MASK_H3B, bsllli, barrel_shift_inst }, ++ {"bslrai", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002200, OPCODE_MASK_H3B, bslrai, barrel_shift_inst }, ++ {"bslrli", INST_TYPE_RD_R1_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64002000, OPCODE_MASK_H3B, bslrli, barrel_shift_inst }, ++ {"bslefi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x64006000, OPCODE_MASK_H32B, bslefi, barrel_shift_inst }, ++ {"bslifi", INST_TYPE_RD_R1_IMMW_IMMS, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6400a000, OPCODE_MASK_H32B, bslifi, barrel_shift_inst }, ++ {"orl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000100, OPCODE_MASK_H4, orl, logical_inst }, ++ {"andl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x84000100, OPCODE_MASK_H4, andl, logical_inst }, ++ {"xorl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000100, OPCODE_MASK_H4, xorl, logical_inst }, ++ {"andnl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000100, OPCODE_MASK_H4, andnl, logical_inst }, ++ {"pcmplbf", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x80000500, OPCODE_MASK_H4, pcmplbf, logical_inst }, ++ {"pcmpleq", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x88000500, OPCODE_MASK_H4, pcmpleq, logical_inst }, ++ {"pcmplne", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x8C000500, OPCODE_MASK_H4, pcmplne, logical_inst }, ++ {"srla", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000101, OPCODE_MASK_H34, srla, logical_inst }, ++ {"srlc", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000121, OPCODE_MASK_H34, srlc, logical_inst }, ++ {"srll", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000141, OPCODE_MASK_H34, srll, logical_inst }, ++ {"sextl8", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000160, OPCODE_MASK_H34, sextl8, logical_inst }, ++ {"sextl16", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000161, OPCODE_MASK_H34, sextl16, logical_inst }, ++ {"sextl32", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x90000162, OPCODE_MASK_H34, sextl32, logical_inst }, ++ {"brea", INST_TYPE_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98010000, OPCODE_MASK_H124, brea, branch_inst }, ++ {"bread", INST_TYPE_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98110000, OPCODE_MASK_H124, bread, branch_inst }, ++ {"breald", INST_TYPE_RD_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x98150000, OPCODE_MASK_H24, breald, branch_inst }, ++ {"beaeq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D000000, OPCODE_MASK_H14, beaeq, branch_inst }, ++ {"bealeq", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D000100, OPCODE_MASK_H14, bealeq, branch_inst }, ++ {"beaeqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F000000, OPCODE_MASK_H14, beaeqd, branch_inst }, ++ {"bealeqd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F000100, OPCODE_MASK_H14, bealeqd, branch_inst }, ++ {"beane", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D200000, OPCODE_MASK_H14, beane, branch_inst }, ++ {"bealne", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D200100, OPCODE_MASK_H14, bealne, branch_inst }, ++ {"beaned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F200000, OPCODE_MASK_H14, beaned, branch_inst }, ++ {"bealned", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F200100, OPCODE_MASK_H14, bealned, branch_inst }, ++ {"bealt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D400000, OPCODE_MASK_H14, bealt, branch_inst }, ++ {"beallt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D400100, OPCODE_MASK_H14, beallt, branch_inst }, ++ {"bealtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F400000, OPCODE_MASK_H14, bealtd, branch_inst }, ++ {"bealltd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F400100, OPCODE_MASK_H14, bealltd, branch_inst }, ++ {"beale", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D600000, OPCODE_MASK_H14, beale, branch_inst }, ++ {"bealle", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D600100, OPCODE_MASK_H14, bealle, branch_inst }, ++ {"bealed", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F600000, OPCODE_MASK_H14, bealed, branch_inst }, ++ {"bealled", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F600100, OPCODE_MASK_H14, bealled, branch_inst }, ++ {"beagt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D800000, OPCODE_MASK_H14, beagt, branch_inst }, ++ {"bealgt", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9D800100, OPCODE_MASK_H14, bealgt, branch_inst }, ++ {"beagtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F800000, OPCODE_MASK_H14, beagtd, branch_inst }, ++ {"bealgtd", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9F800100, OPCODE_MASK_H14, bealgtd, branch_inst }, ++ {"beage", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9DA00000, OPCODE_MASK_H14, beage, branch_inst }, ++ {"bealge", INST_TYPE_R1_R2, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9DA00100, OPCODE_MASK_H14, bealge, branch_inst }, ++ {"beaged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00000, OPCODE_MASK_H14, beaged, branch_inst }, ++ {"bealged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00100, OPCODE_MASK_H14, bealged, branch_inst }, ++ {"orli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA0000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ ++ {"andli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA4000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ ++ {"xorli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA8000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ ++ {"andnli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xAC000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ ++ {"imml", INST_TYPE_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB2000000, OPCODE_MASK_H8, imml, immediate_inst }, ++ {"breai", INST_TYPE_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8010000, OPCODE_MASK_H12, breai, branch_inst }, ++ {"breaid", INST_TYPE_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8110000, OPCODE_MASK_H12, breaid, branch_inst }, ++ {"brealid", INST_TYPE_RD_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8150000, OPCODE_MASK_H2, brealid, branch_inst }, ++ {"beaeqi", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD000000, OPCODE_MASK_H1, beaeqi, branch_inst }, ++ {"bealeqi", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD000000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaeqi */ ++ {"beaeqid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF000000, OPCODE_MASK_H1, beaeqid, branch_inst }, ++ {"bealeqid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF000000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaeqid */ ++ {"beanei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD200000, OPCODE_MASK_H1, beanei, branch_inst }, ++ {"bealnei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD200000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beanei */ ++ {"beaneid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF200000, OPCODE_MASK_H1, beaneid, branch_inst }, ++ {"bealneid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF200000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beaneid */ ++ {"bealti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD400000, OPCODE_MASK_H1, bealti, branch_inst }, ++ {"beallti", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD400000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealti */ ++ {"bealtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF400000, OPCODE_MASK_H1, bealtid, branch_inst }, ++ {"bealltid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF400000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealtid */ ++ {"bealei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD600000, OPCODE_MASK_H1, bealei, branch_inst }, ++ {"beallei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD600000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealei */ ++ {"bealeid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF600000, OPCODE_MASK_H1, bealeid, branch_inst }, ++ {"bealleid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF600000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to bealeid */ ++ {"beagti", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD800000, OPCODE_MASK_H1, beagti, branch_inst }, ++ {"bealgti", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBD800000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagti */ ++ {"beagtid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF800000, OPCODE_MASK_H1, beagtid, branch_inst }, ++ {"bealgtid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBF800000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagtid */ ++ {"beagei", INST_TYPE_R1_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBDA00000, OPCODE_MASK_H1, beagei, branch_inst }, ++ {"bealgei", INST_TYPE_R1_IMML, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBDA00000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beagei */ ++ {"beageid", INST_TYPE_R1_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBFA00000, OPCODE_MASK_H1, beageid, branch_inst }, ++ {"bealgeid",INST_TYPE_R1_IMML, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xBFA00000, OPCODE_MASK_H1, invalid_inst, branch_inst }, /* Identical to beageid */ ++ {"ll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000100, OPCODE_MASK_H4, ll, memory_load_inst }, ++ {"llr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xC8000300, OPCODE_MASK_H4, llr, memory_load_inst }, ++ {"sl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000100, OPCODE_MASK_H4, sl, memory_store_inst }, ++ {"slr", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xD8000300, OPCODE_MASK_H4, slr, memory_store_inst }, ++ {"lli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xEC000000, OPCODE_MASK_H, invalid_inst, memory_load_inst }, /* Identical to 32-bit */ ++ {"sli", INST_TYPE_RD_R1_IMM, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xFC000000, OPCODE_MASK_H, invalid_inst, memory_store_inst }, /* Identical to 32-bit */ ++ {"lla", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* lla translates to addlik */ ++ {"dadd", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000400, OPCODE_MASK_H4, dadd, arithmetic_inst }, ++ {"drsub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000480, OPCODE_MASK_H4, drsub, arithmetic_inst }, ++ {"dmul", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000500, OPCODE_MASK_H4, dmul, arithmetic_inst }, ++ {"ddiv", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000580, OPCODE_MASK_H4, ddiv, arithmetic_inst }, ++ {"dcmp.lt", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000610, OPCODE_MASK_H4, dcmp_lt, arithmetic_inst }, ++ {"dcmp.eq", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000620, OPCODE_MASK_H4, dcmp_eq, arithmetic_inst }, ++ {"dcmp.le", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000630, OPCODE_MASK_H4, dcmp_le, arithmetic_inst }, ++ {"dcmp.gt", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000640, OPCODE_MASK_H4, dcmp_gt, arithmetic_inst }, ++ {"dcmp.ne", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000650, OPCODE_MASK_H4, dcmp_ne, arithmetic_inst }, ++ {"dcmp.ge", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000660, OPCODE_MASK_H4, dcmp_ge, arithmetic_inst }, ++ {"dcmp.un", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000600, OPCODE_MASK_H4, dcmp_un, arithmetic_inst }, ++ {"dbl", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000680, OPCODE_MASK_H4, dbl, arithmetic_inst }, ++ {"dlong", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000700, OPCODE_MASK_H4, dlong, arithmetic_inst }, ++ {"dsqrt", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000780, OPCODE_MASK_H4, dsqrt, arithmetic_inst }, ++ {"neg", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* neg translates to rsub rd, ra, r0. */ ++ {"sub", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x04000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* sub translates to rsub rd, rb, ra. */ ++ + {"", 0, 0, 0, 0, 0, 0, 0, 0}, + }; + +@@ -438,5 +575,17 @@ char pvr_register_prefix[] = "rpvr"; + #define MIN_IMM5 ((int) 0x00000000) + #define MAX_IMM5 ((int) 0x0000001f) + ++#define MIN_IMM6 ((int) 0x00000000) ++#define MAX_IMM6 ((int) 0x0000003f) ++ ++#define MIN_IMM_WIDTH ((int) 0x00000001) ++#define MAX_IMM_WIDTH ((int) 0x00000020) ++ ++#define MIN_IMM6_WIDTH ((int) 0x00000001) ++#define MAX_IMM6_WIDTH ((int) 0x00000040) ++ ++#define MIN_IMML ((long) 0xffffff8000000000L) ++#define MAX_IMML ((long) 0x0000007fffffffffL) ++ + #endif /* MICROBLAZE_OPC */ + +diff --git a/opcodes/microblaze-opcm.h b/opcodes/microblaze-opcm.h +index c91b002d951..3923f6258d8 100644 +--- a/opcodes/microblaze-opcm.h ++++ b/opcodes/microblaze-opcm.h +@@ -25,11 +25,12 @@ + + enum microblaze_instr + { ++ /* 32-bit instructions */ + add, rsub, addc, rsubc, addk, rsubk, addkc, rsubkc, clz, cmp, cmpu, + addi, rsubi, addic, rsubic, addik, rsubik, addikc, rsubikc, mul, + mulh, mulhu, mulhsu, swapb, swaph, + idiv, idivu, bsll, bsra, bsrl, get, put, nget, nput, cget, cput, +- ncget, ncput, muli, bslli, bsrai, bsrli, mului, ++ ncget, ncput, muli, bslli, bsrai, bsrli, bsefi, bsifi, mului, + /* 'or/and/xor' are C++ keywords. */ + microblaze_or, microblaze_and, microblaze_xor, + andn, pcmpbf, pcmpbc, pcmpeq, pcmpne, sra, src, srl, sext8, sext16, +@@ -39,8 +40,8 @@ enum microblaze_instr + imm, rtsd, rtid, rtbd, rted, bri, brid, brlid, brai, braid, bralid, + brki, beqi, beqid, bnei, bneid, blti, bltid, blei, bleid, bgti, + bgtid, bgei, bgeid, lbu, lbuea, lbur, lhu, lhuea, lhur, lw, lwea, lwr, lwx, +- sb, sbea, sbr, sh, shea, shr, sw, swea, swr, swx, lbui, lhui, lwi, +- sbi, shi, swi, msrset, msrclr, tuqula, mbi_fadd, frsub, mbi_fmul, mbi_fdiv, ++ sb, sbea, sbr, sh, shea, shr, sw, swea, swr, swx, lbui, lhui, lwi, lli, ++ sbi, shi, sli, swi, msrset, msrclr, tuqula, mbi_fadd, frsub, mbi_fmul, mbi_fdiv, + fcmp_lt, fcmp_eq, fcmp_le, fcmp_gt, fcmp_ne, fcmp_ge, fcmp_un, flt, + /* 'fsqrt' is a glibc:math.h symbol. */ + fint, microblaze_fsqrt, +@@ -59,6 +60,18 @@ enum microblaze_instr + aputd, taputd, caputd, tcaputd, naputd, tnaputd, ncaputd, tncaputd, + eagetd, teagetd, ecagetd, tecagetd, neagetd, tneagetd, necagetd, tnecagetd, + eaputd, teaputd, ecaputd, tecaputd, neaputd, tneaputd, necaputd, tnecaputd, ++ ++ /* 64-bit instructions */ ++ addl, rsubl, addlc, rsublc, addlk, rsublk, addlkc, rsublkc, cmpl, cmplu, mull, ++ bslll, bslra, bslrl, bsllli, bslrai, bslrli, bslefi, bslifi, orl, andl, xorl, ++ andnl, pcmplbf, pcmpleq, pcmplne, srla, srlc, srll, sextl8, sextl16, sextl32, ++ brea, bread, breald, beaeq, bealeq, beaeqd, bealeqd, beane, bealne, beaned, ++ bealned, bealt, beallt, bealtd, bealltd, beale, bealle, bealed, bealled, beagt, ++ bealgt, beagtd, bealgtd, beage, bealge, beaged, bealged, breai, breaid, brealid, ++ beaeqi, beaeqid, beanei, beaneid, bealti, bealtid, bealei, bealeid, beagti, ++ beagtid, beagei, beageid, imml, ll, llr, sl, slr, ++ dadd, drsub, dmul, ddiv, dcmp_lt, dcmp_eq, dcmp_le, dcmp_gt, dcmp_ne, dcmp_ge, ++ dcmp_un, dbl, dlong, dsqrt, + invalid_inst + }; + +@@ -130,18 +143,25 @@ enum microblaze_instr_type + #define RB_LOW 11 /* Low bit for RB. */ + #define IMM_LOW 0 /* Low bit for immediate. */ + #define IMM_MBAR 21 /* low bit for mbar instruction. */ ++#define IMM_WIDTH_LOW 6 /* Low bit for immediate width */ + + #define RD_MASK 0x03E00000 + #define RA_MASK 0x001F0000 + #define RB_MASK 0x0000F800 + #define IMM_MASK 0x0000FFFF ++#define IMML_MASK 0x00FFFFFF + +-/* Imm mask for barrel shifts. */ ++/* Imm masks for barrel shifts. */ + #define IMM5_MASK 0x0000001F ++#define IMM6_MASK 0x0000003F + + /* Imm mask for mbar. */ + #define IMM5_MBAR_MASK 0x03E00000 + ++/* Imm masks for extract/insert width. */ ++#define IMM5_WIDTH_MASK 0x000007C0 ++#define IMM6_WIDTH_MASK 0x00000FC0 ++ + /* FSL imm mask for get, put instructions. */ + #define RFSL_MASK 0x000000F + +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0006-Patch-MicroBlaze-these-changes-will-make-64-bit-vect.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0006-Patch-MicroBlaze-these-changes-will-make-64-bit-vect.patch deleted file mode 100644 index 9d12cc53..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0006-Patch-MicroBlaze-these-changes-will-make-64-bit-vect.patch +++ /dev/null @@ -1,38 +0,0 @@ -From ef411b49f3b2c9e4048eb273f43ab4ee96f96b7e Mon Sep 17 00:00:00 2001 -From: Mahesh Bodapati -Date: Mon, 19 Apr 2021 14:33:27 +0530 -Subject: [PATCH 6/8] [Patch,MicroBlaze] : these changes will make 64 bit - vectors as default target types when we built gdb with microblaze 64 bit type - targets,for instance microblaze-xilinx-elf64/microblazeel-xilinx-elf64 - -Upstream-Status: Pending - -Signed-off-by: Mark Hatle - ---- - bfd/config.bfd | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/bfd/config.bfd b/bfd/config.bfd -index 5e9ba3d9805..deb3d078439 100644 ---- a/bfd/config.bfd -+++ b/bfd/config.bfd -@@ -856,7 +856,15 @@ case "${targ}" in - targ_defvec=metag_elf32_vec - targ_underscore=yes - ;; -+ microblazeel*-*64) -+ targ_defvec=microblaze_elf64_le_vec -+ targ_selvecs=microblaze_elf64_vec -+ ;; - -+ microblaze*-*64) -+ targ_defvec=microblaze_elf64_vec -+ targ_selvecs=microblaze_elf64_le_vec -+ ;; - microblazeel*-*) - targ_defvec=microblaze_elf32_le_vec - targ_selvecs=microblaze_elf32_vec --- -2.37.1 (Apple Git-137.1) - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0007-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0007-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch deleted file mode 100644 index ec11e7be..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0007-Patch-MicroBlaze-Added-m64-abi-for-64-bit-target-des.patch +++ /dev/null @@ -1,300 +0,0 @@ -From d2f145ec8e4e149e055adc74e92016447af91806 Mon Sep 17 00:00:00 2001 -From: Mahesh Bodapati -Date: Tue, 9 Nov 2021 16:19:17 +0530 -Subject: [PATCH 7/8] [Patch,MicroBlaze] : Added m64 abi for 64 bit target - descriptions. set m64 abi for 64 bit elf. - -Conflicts: - gdb/microblaze-tdep.c - gdb/microblaze-tdep.h -Upstream-Status: Pending - -Signed-off-by: Mark Hatle - ---- - gdb/features/microblaze64.xml | 1 + - gdb/microblaze-tdep.c | 159 ++++++++++++++++++++++++++++++++-- - gdb/microblaze-tdep.h | 13 ++- - 3 files changed, 165 insertions(+), 8 deletions(-) - -diff --git a/gdb/features/microblaze64.xml b/gdb/features/microblaze64.xml -index 515d18e65cf..9c1b7d22003 100644 ---- a/gdb/features/microblaze64.xml -+++ b/gdb/features/microblaze64.xml -@@ -7,5 +7,6 @@ - - - -+ microblaze64 - - -diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c -index c347bb9516b..d83072cdaef 100644 ---- a/gdb/microblaze-tdep.c -+++ b/gdb/microblaze-tdep.c -@@ -65,8 +65,95 @@ - #define IS_SAVE_HIDDEN_PTR(op, rd, ra, rb) \ - ((op == add || op == addik) && ra == MICROBLAZE_FIRST_ARGREG && rb == 0) - -+static const char *microblaze_abi_string; -+ -+static const char *const microblaze_abi_strings[] = { -+ "auto", -+ "m64", -+}; -+ -+enum microblaze_abi -+microblaze_abi (struct gdbarch *gdbarch) -+{ -+ microblaze_gdbarch_tdep *tdep = (microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); -+ return tdep->microblaze_abi; -+} - /* The registers of the Xilinx microblaze processor. */ - -+ static struct cmd_list_element *setmicroblazecmdlist = NULL; -+ static struct cmd_list_element *showmicroblazecmdlist = NULL; -+ -+static void -+microblaze_abi_update (const char *ignore_args, -+ int from_tty, struct cmd_list_element *c) -+{ -+ struct gdbarch_info info; -+ -+ /* Force the architecture to update, and (if it's a microblaze architecture) -+ * microblaze_gdbarch_init will take care of the rest. */ -+// gdbarch_info_init (&info); -+ gdbarch_update_p (info); -+} -+ -+ -+static enum microblaze_abi -+global_microblaze_abi (void) -+{ -+ int i; -+ -+ for (i = 0; microblaze_abi_strings[i] != NULL; i++) -+ if (microblaze_abi_strings[i] == microblaze_abi_string) -+ return (enum microblaze_abi) i; -+ -+// internal_error (__FILE__, __LINE__, _("unknown ABI string")); -+} -+ -+static void -+show_microblaze_abi (struct ui_file *file, -+ int from_tty, -+ struct cmd_list_element *ignored_cmd, -+ const char *ignored_value) -+{ -+ enum microblaze_abi global_abi = global_microblaze_abi (); -+ enum microblaze_abi actual_abi = microblaze_abi (target_gdbarch ()); -+ const char *actual_abi_str = microblaze_abi_strings[actual_abi]; -+ -+#if 1 -+ if (global_abi == MICROBLAZE_ABI_AUTO) -+ fprintf_filtered -+ (file, -+ "The microblaze ABI is set automatically (currently \"%s\").\n", -+ actual_abi_str); -+ else if (global_abi == actual_abi) -+ fprintf_filtered -+ (file, -+ "The microblaze ABI is assumed to be \"%s\" (due to user setting).\n", -+ actual_abi_str); -+ else -+ { -+#endif -+ /* Probably shouldn't happen... */ -+ fprintf_filtered (file, -+ "The (auto detected) microblaze ABI \"%s\" is in use " -+ "even though the user setting was \"%s\".\n", -+ actual_abi_str, microblaze_abi_strings[global_abi]); -+ } -+} -+ -+static void -+show_microblaze_command (const char *args, int from_tty) -+{ -+ help_list (showmicroblazecmdlist, "show microblaze ", all_commands, gdb_stdout); -+} -+ -+static void -+set_microblaze_command (const char *args, int from_tty) -+{ -+ printf_unfiltered -+ ("\"set microblaze\" must be followed by an appropriate subcommand.\n"); -+ help_list (setmicroblazecmdlist, "set microblaze ", all_commands, gdb_stdout); -+} -+ - static const char * const microblaze_register_names[] = - { - "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", -@@ -85,9 +172,21 @@ static const char * const microblaze_register_names[] = - static unsigned int microblaze_debug_flag = 0; - int reg_size = 4; - -+unsigned int -+microblaze_abi_regsize (struct gdbarch *gdbarch) -+{ -+ switch (microblaze_abi (gdbarch)) -+ { -+ case MICROBLAZE_ABI_M64: -+ return 8; -+ default: -+ return 4; -+ } -+} -+ - #define microblaze_debug(fmt, ...) \ - debug_prefixed_printf_cond_nofunc (microblaze_debug_flag, "MICROBLAZE", \ -- fmt, ## __VA_ARGS__) -+ fmt, ## __VA_ARGS__) - - - /* Return the name of register REGNUM. */ -@@ -868,15 +967,30 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - { - struct gdbarch *gdbarch; - tdesc_arch_data_up tdesc_data; -+ enum microblaze_abi microblaze_abi, found_abi, wanted_abi; - const struct target_desc *tdesc = info.target_desc; - -+ /* What has the user specified from the command line? */ -+ wanted_abi = global_microblaze_abi (); -+ if (gdbarch_debug) -+ fprintf_unfiltered (gdb_stdlog, "microblaze_gdbarch_init: wanted_abi = %d\n", -+ wanted_abi); -+ if (wanted_abi != MICROBLAZE_ABI_AUTO) -+ microblaze_abi = wanted_abi; -+ - /* If there is already a candidate, use it. */ - arches = gdbarch_list_lookup_by_info (arches, &info); -- if (arches != NULL) -+ if ((arches != NULL) && (microblaze_abi != MICROBLAZE_ABI_M64)) - return arches->gdbarch; -+ -+ if (microblaze_abi == MICROBLAZE_ABI_M64) -+ { -+ tdesc = tdesc_microblaze64; -+ reg_size = 8; -+ } - if (tdesc == NULL) - { -- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) -+ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) - { - tdesc = tdesc_microblaze64; - reg_size = 8; -@@ -891,7 +1005,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - int valid_p; - int i; - -- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) -+ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) - feature = tdesc_find_feature (tdesc, - "org.gnu.gdb.microblaze64.core"); - else -@@ -905,7 +1019,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - for (i = 0; i < MICROBLAZE_NUM_REGS; i++) - valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), i, - microblaze_register_names[i]); -- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) -+ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) - feature = tdesc_find_feature (tdesc, - "org.gnu.gdb.microblaze64.stack-protect"); - else -@@ -955,7 +1069,8 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) - set_gdbarch_ptr_bit (gdbarch, 64); - break; - } -- -+ if(microblaze_abi == MICROBLAZE_ABI_M64) -+ set_gdbarch_ptr_bit (gdbarch, 64); - - /* Map Dwarf2 registers to GDB registers. */ - set_gdbarch_dwarf2_reg_to_regnum (gdbarch, microblaze_dwarf2_reg_to_regnum); -@@ -1014,7 +1129,38 @@ void - _initialize_microblaze_tdep () - { - register_gdbarch_init (bfd_arch_microblaze, microblaze_gdbarch_init); -+// static struct cmd_list_element *setmicroblazecmdlist = NULL; -+// static struct cmd_list_element *showmicroblazecmdlist = NULL; -+ -+ /* Add root prefix command for all "set microblaze"/"show microblaze" commands. */ - -+ add_setshow_prefix_cmd ("microblaze", no_class, -+ _("Various microblaze specific commands."), -+ _("Various microblaze specific commands."), -+ &setmicroblazecmdlist,&showmicroblazecmdlist, -+ &setlist,&showlist); -+#if 0 -+ add_prefix_cmd ("microblaze", no_class, set_microblaze_command, -+ _("Various microblaze specific commands."), -+ &setmicroblazecmdlist, "set microblaze ", 0, &setlist); -+ -+ add_prefix_cmd ("microblaze", no_class, show_microblaze_command, -+ _("Various microblaze specific commands."), -+ &showmicroblazecmdlist, "show microblaze ", 0, &showlist); -+#endif -+ -+ /* Allow the user to override the ABI. */ -+ add_setshow_enum_cmd ("abi", class_obscure, microblaze_abi_strings, -+ µblaze_abi_string, _("\ -+Set the microblaze ABI used by this program."), _("\ -+Show the microblaze ABI used by this program."), _("\ -+This option can be set to one of:\n\ -+ auto - the default ABI associated with the current binary\n\ -+ m64"), -+ microblaze_abi_update, -+ show_microblaze_abi, -+ &setmicroblazecmdlist, &showmicroblazecmdlist); -+ - initialize_tdesc_microblaze_with_stack_protect (); - initialize_tdesc_microblaze (); - initialize_tdesc_microblaze64_with_stack_protect (); -@@ -1029,5 +1175,4 @@ When non-zero, microblaze specific debugging is enabled."), - NULL, - &setdebuglist, &showdebuglist); - -- - } -diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h -index f4d810303ca..babd6c36926 100644 ---- a/gdb/microblaze-tdep.h -+++ b/gdb/microblaze-tdep.h -@@ -19,9 +19,17 @@ - - #ifndef MICROBLAZE_TDEP_H - #define MICROBLAZE_TDEP_H 1 -- -+#include "objfiles.h" - #include "gdbarch.h" - -+struct gdbarch; -+enum microblaze_abi -+ { -+ MICROBLAZE_ABI_AUTO = 0, -+ MICROBLAZE_ABI_M64, -+ }; -+ -+enum microblaze_abi microblaze_abi (struct gdbarch *gdbarch); - /* Microblaze architecture-specific information. */ - struct microblaze_gregset - { -@@ -35,11 +43,14 @@ struct microblaze_gdbarch_tdep : gdbarch_tdep - { - int dummy; // declare something. - -+ enum microblaze_abi microblaze_abi {}; -+ enum microblaze_abi found_abi {}; - /* Register sets. */ - struct regset *gregset; - size_t sizeof_gregset; - struct regset *fpregset; - size_t sizeof_fpregset; -+ int register_size; - }; - - /* Register numbers. */ --- -2.37.1 (Apple Git-137.1) - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0007-these-changes-will-make-64-bit-vectors-as-default-ta.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0007-these-changes-will-make-64-bit-vectors-as-default-ta.patch new file mode 100644 index 00000000..27c04153 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0007-these-changes-will-make-64-bit-vectors-as-default-ta.patch @@ -0,0 +1,35 @@ +From b6735e00ff7c60f8e66527402dd541b4217ce38f Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 19 Apr 2021 14:33:27 +0530 +Subject: [PATCH 07/54] these changes will make 64 bit vectors as default + target types when we built gdb with microblaze 64 bit type targets,for + instance microblaze-xilinx-elf64/microblazeel-xilinx-elf64 + +Signed-off-by: Aayush Misra +--- + bfd/config.bfd | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/bfd/config.bfd b/bfd/config.bfd +index 3a7d427778c..9a4b26be8f8 100644 +--- a/bfd/config.bfd ++++ b/bfd/config.bfd +@@ -880,7 +880,15 @@ case "${targ}" in + targ_defvec=metag_elf32_vec + targ_underscore=yes + ;; ++ microblazeel*-*64) ++ targ_defvec=microblaze_elf64_le_vec ++ targ_selvecs=microblaze_elf64_vec ++ ;; + ++ microblaze*-*64) ++ targ_defvec=microblaze_elf64_vec ++ targ_selvecs=microblaze_elf64_le_vec ++ ;; + microblazeel*-*) + targ_defvec=microblaze_elf32_le_vec + targ_selvecs=microblaze_elf32_vec +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0008-Added-m64-abi-for-64-bit-target-descriptions.-set-m6.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0008-Added-m64-abi-for-64-bit-target-descriptions.-set-m6.patch new file mode 100644 index 00000000..54e53f6f --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0008-Added-m64-abi-for-64-bit-target-descriptions.-set-m6.patch @@ -0,0 +1,4104 @@ +From 89f7a0c3e8b3bc37a37280bacec724f764503f38 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Tue, 9 Nov 2021 16:19:17 +0530 +Subject: [PATCH 08/54] Added m64 abi for 64 bit target descriptions. set m64 + abi for 64 bit elf. + +Conflicts: + gdb/microblaze-tdep.c + gdb/microblaze-tdep.h + +Signed-off-by: Aayush Misra +--- + bfd/elf64-microblaze.c | 3810 ++++++++++++++++++++++++++++++++++++++++ + gdb/microblaze-tdep.c | 160 +- + gdb/microblaze-tdep.h | 13 +- + 3 files changed, 3975 insertions(+), 8 deletions(-) + create mode 100755 bfd/elf64-microblaze.c + +diff --git a/bfd/elf64-microblaze.c b/bfd/elf64-microblaze.c +new file mode 100755 +index 00000000000..6cd9753a592 +--- /dev/null ++++ b/bfd/elf64-microblaze.c +@@ -0,0 +1,3810 @@ ++/* Xilinx MicroBlaze-specific support for 32-bit ELF ++ ++ Copyright (C) 2009-2021 Free Software Foundation, Inc. ++ ++ This file is part of BFD, the Binary File Descriptor library. ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; either version 3 of the License, or ++ (at your option) any later version. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program; if not, write to the ++ Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, ++ Boston, MA 02110-1301, USA. */ ++ ++ ++#include "sysdep.h" ++#include "bfd.h" ++#include "bfdlink.h" ++#include "libbfd.h" ++#include "elf-bfd.h" ++#include "elf/microblaze.h" ++#include ++ ++#define USE_RELA /* Only USE_REL is actually significant, but this is ++ here are a reminder... */ ++#define INST_WORD_SIZE 4 ++ ++static int ro_small_data_pointer = 0; ++static int rw_small_data_pointer = 0; ++ ++static reloc_howto_type * microblaze_elf_howto_table [(int) R_MICROBLAZE_max]; ++ ++static reloc_howto_type microblaze_elf_howto_raw[] = ++{ ++ /* This reloc does nothing. */ ++ HOWTO (R_MICROBLAZE_NONE, /* Type. */ ++ 0, /* Rightshift. */ ++ 0, /* Size. */ ++ 0, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ NULL, /* Special Function. */ ++ "R_MICROBLAZE_NONE", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* A standard 32 bit relocation. */ ++ HOWTO (R_MICROBLAZE_32, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 32, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_bitfield, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_32", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0xffffffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* A standard PCREL 32 bit relocation. */ ++ HOWTO (R_MICROBLAZE_32_PCREL,/* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 32, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_bitfield, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_32_PCREL", /* Name. */ ++ true, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0xffffffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* A 64 bit PCREL relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_64_PCREL,/* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_64_PCREL", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* The low half of a PCREL 32 bit relocation. */ ++ HOWTO (R_MICROBLAZE_32_PCREL_LO, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_signed, /* Complain on overflow. */ ++ bfd_elf_generic_reloc, /* Special Function. */ ++ "R_MICROBLAZE_32_PCREL_LO", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ HOWTO (R_MICROBLAZE_IMML_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 64, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_IMML_64", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0xffffffffffffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* A 64 bit relocation. Table entry not really used. */ ++ HOWTO (R_MICROBLAZE_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_64", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* The low half of a 32 bit relocation. */ ++ HOWTO (R_MICROBLAZE_32_LO, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_signed, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_32_LO", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* Read-only small data section relocation. */ ++ HOWTO (R_MICROBLAZE_SRO32, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_bitfield, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_SRO32", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* Read-write small data area relocation. */ ++ HOWTO (R_MICROBLAZE_SRW32, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_bitfield, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_SRW32", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* This reloc does nothing. Used for relaxation. */ ++ HOWTO (R_MICROBLAZE_32_NONE, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 32, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_bitfield, /* Complain on overflow. */ ++ NULL, /* Special Function. */ ++ "R_MICROBLAZE_32_NONE",/* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* This reloc does nothing. Used for relaxation. */ ++ HOWTO (R_MICROBLAZE_64_NONE, /* Type. */ ++ 0, /* Rightshift. */ ++ 0, /* Size. */ ++ 0, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ NULL, /* Special Function. */ ++ "R_MICROBLAZE_64_NONE",/* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* Symbol Op Symbol relocation. */ ++ HOWTO (R_MICROBLAZE_32_SYM_OP_SYM, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 32, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_bitfield, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_32_SYM_OP_SYM", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0xffffffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* GNU extension to record C++ vtable hierarchy. */ ++ HOWTO (R_MICROBLAZE_GNU_VTINHERIT, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 0, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont,/* Complain on overflow. */ ++ NULL, /* Special Function. */ ++ "R_MICROBLAZE_GNU_VTINHERIT", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* GNU extension to record C++ vtable member usage. */ ++ HOWTO (R_MICROBLAZE_GNU_VTENTRY, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 0, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont,/* Complain on overflow. */ ++ _bfd_elf_rel_vtable_reloc_fn, /* Special Function. */ ++ "R_MICROBLAZE_GNU_VTENTRY", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* A 64 bit GOTPC relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GOTPC_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc, /* Special Function. */ ++ "R_MICROBLAZE_GOTPC_64", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* A 64 bit TEXTPCREL relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_TEXTPCREL_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc, /* Special Function. */ ++ "R_MICROBLAZE_TEXTPCREL_64", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* A 64 bit GOTPC relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GPC_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc, /* Special Function. */ ++ "R_MICROBLAZE_GPC_64", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* A 64 bit GOT relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GOT_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_GOT_64",/* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* A 64 bit TEXTREL relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_TEXTREL_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 2, /* Size (0 = byte, 1 = short, 2 = long). */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_TEXTREL_64",/* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* A 64 bit PLT relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_PLT_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_PLT_64",/* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_REL, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_REL", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_JUMP_SLOT,/* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_JUMP_SLOT", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GLOB_DAT,/* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ true, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_GLOB_DAT", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ true), /* PC relative offset? */ ++ ++ /* A 64 bit GOT relative relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GOTOFF_64, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_GOTOFF_64", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* A 32 bit GOT relative relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_GOTOFF_32, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc, /* Special Function. */ ++ "R_MICROBLAZE_GOTOFF_32", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* COPY relocation. Table-entry not really used. */ ++ HOWTO (R_MICROBLAZE_COPY, /* Type. */ ++ 0, /* Rightshift. */ ++ 4, /* Size. */ ++ 16, /* Bitsize. */ ++ false, /* PC_relative. */ ++ 0, /* Bitpos. */ ++ complain_overflow_dont, /* Complain on overflow. */ ++ bfd_elf_generic_reloc,/* Special Function. */ ++ "R_MICROBLAZE_COPY", /* Name. */ ++ false, /* Partial Inplace. */ ++ 0, /* Source Mask. */ ++ 0x0000ffff, /* Dest Mask. */ ++ false), /* PC relative offset? */ ++ ++ /* Marker relocs for TLS. */ ++ HOWTO (R_MICROBLAZE_TLS, ++ 0, /* rightshift */ ++ 2, /* size (0 = byte, 1 = short, 2 = long) */ ++ 32, /* bitsize */ ++ false, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_MICROBLAZE_TLS", /* name */ ++ false, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0x0000ffff, /* dst_mask */ ++ false), /* pcrel_offset */ ++ ++ HOWTO (R_MICROBLAZE_TLSGD, ++ 0, /* rightshift */ ++ 4, /* size */ ++ 32, /* bitsize */ ++ false, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_MICROBLAZE_TLSGD", /* name */ ++ false, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0x0000ffff, /* dst_mask */ ++ false), /* pcrel_offset */ ++ ++ HOWTO (R_MICROBLAZE_TLSLD, ++ 0, /* rightshift */ ++ 2, /* size (0 = byte, 1 = short, 2 = long) */ ++ 32, /* bitsize */ ++ false, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_MICROBLAZE_TLSLD", /* name */ ++ false, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0x0000ffff, /* dst_mask */ ++ false), /* pcrel_offset */ ++ ++ /* Computes the load module index of the load module that contains the ++ definition of its TLS sym. */ ++ HOWTO (R_MICROBLAZE_TLSDTPMOD32, ++ 0, /* rightshift */ ++ 2, /* size (0 = byte, 1 = short, 2 = long) */ ++ 32, /* bitsize */ ++ false, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_MICROBLAZE_TLSDTPMOD32", /* name */ ++ false, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0x0000ffff, /* dst_mask */ ++ false), /* pcrel_offset */ ++ ++ /* Computes a dtv-relative displacement, the difference between the value ++ of sym+add and the base address of the thread-local storage block that ++ contains the definition of sym, minus 0x8000. Used for initializing GOT */ ++ HOWTO (R_MICROBLAZE_TLSDTPREL32, ++ 0, /* rightshift */ ++ 4, /* size */ ++ 32, /* bitsize */ ++ false, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_MICROBLAZE_TLSDTPREL32", /* name */ ++ false, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0x0000ffff, /* dst_mask */ ++ false), /* pcrel_offset */ ++ ++ /* Computes a dtv-relative displacement, the difference between the value ++ of sym+add and the base address of the thread-local storage block that ++ contains the definition of sym, minus 0x8000. */ ++ HOWTO (R_MICROBLAZE_TLSDTPREL64, ++ 0, /* rightshift */ ++ 4, /* size */ ++ 32, /* bitsize */ ++ false, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_MICROBLAZE_TLSDTPREL64", /* name */ ++ false, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0x0000ffff, /* dst_mask */ ++ false), /* pcrel_offset */ ++ ++ /* Computes a tp-relative displacement, the difference between the value of ++ sym+add and the value of the thread pointer (r13). */ ++ HOWTO (R_MICROBLAZE_TLSGOTTPREL32, ++ 0, /* rightshift */ ++ 4, /* size */ ++ 32, /* bitsize */ ++ false, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_MICROBLAZE_TLSGOTTPREL32", /* name */ ++ false, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0x0000ffff, /* dst_mask */ ++ false), /* pcrel_offset */ ++ ++ /* Computes a tp-relative displacement, the difference between the value of ++ sym+add and the value of the thread pointer (r13). */ ++ HOWTO (R_MICROBLAZE_TLSTPREL32, ++ 0, /* rightshift */ ++ 4, /* size */ ++ 32, /* bitsize */ ++ false, /* pc_relative */ ++ 0, /* bitpos */ ++ complain_overflow_dont, /* complain_on_overflow */ ++ bfd_elf_generic_reloc, /* special_function */ ++ "R_MICROBLAZE_TLSTPREL32", /* name */ ++ false, /* partial_inplace */ ++ 0, /* src_mask */ ++ 0x0000ffff, /* dst_mask */ ++ false), /* pcrel_offset */ ++ ++}; ++ ++#ifndef NUM_ELEM ++#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0]) ++#endif ++ ++/* Initialize the microblaze_elf_howto_table, so that linear accesses can be done. */ ++ ++static void ++microblaze_elf_howto_init (void) ++{ ++ unsigned int i; ++ ++ for (i = NUM_ELEM (microblaze_elf_howto_raw); i--;) ++ { ++ unsigned int type; ++ ++ type = microblaze_elf_howto_raw[i].type; ++ ++ BFD_ASSERT (type < NUM_ELEM (microblaze_elf_howto_table)); ++ ++ microblaze_elf_howto_table [type] = & microblaze_elf_howto_raw [i]; ++ } ++} ++ ++static reloc_howto_type * ++microblaze_elf_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, ++ bfd_reloc_code_real_type code) ++{ ++ enum elf_microblaze_reloc_type microblaze_reloc = R_MICROBLAZE_NONE; ++ ++ switch (code) ++ { ++ case BFD_RELOC_NONE: ++ microblaze_reloc = R_MICROBLAZE_NONE; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_NONE: ++ microblaze_reloc = R_MICROBLAZE_32_NONE; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_NONE: ++ microblaze_reloc = R_MICROBLAZE_64_NONE; ++ break; ++ case BFD_RELOC_32: ++ microblaze_reloc = R_MICROBLAZE_32; ++ break; ++ /* RVA is treated the same as 64 */ ++ case BFD_RELOC_RVA: ++ microblaze_reloc = R_MICROBLAZE_IMML_64; ++ break; ++ case BFD_RELOC_32_PCREL: ++ microblaze_reloc = R_MICROBLAZE_32_PCREL; ++ break; ++ case BFD_RELOC_64_PCREL: ++ microblaze_reloc = R_MICROBLAZE_64_PCREL; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_LO_PCREL: ++ microblaze_reloc = R_MICROBLAZE_32_PCREL_LO; ++ break; ++ case BFD_RELOC_64: ++ microblaze_reloc = R_MICROBLAZE_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_LO: ++ microblaze_reloc = R_MICROBLAZE_32_LO; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_ROSDA: ++ microblaze_reloc = R_MICROBLAZE_SRO32; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_RWSDA: ++ microblaze_reloc = R_MICROBLAZE_SRW32; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM: ++ microblaze_reloc = R_MICROBLAZE_32_SYM_OP_SYM; ++ break; ++ case BFD_RELOC_VTABLE_INHERIT: ++ microblaze_reloc = R_MICROBLAZE_GNU_VTINHERIT; ++ break; ++ case BFD_RELOC_VTABLE_ENTRY: ++ microblaze_reloc = R_MICROBLAZE_GNU_VTENTRY; ++ break; ++ case BFD_RELOC_MICROBLAZE_EA64: ++ microblaze_reloc = R_MICROBLAZE_IMML_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_GOTPC: ++ microblaze_reloc = R_MICROBLAZE_GOTPC_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_GPC: ++ microblaze_reloc = R_MICROBLAZE_GPC_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_GOT: ++ microblaze_reloc = R_MICROBLAZE_GOT_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_TEXTPCREL: ++ microblaze_reloc = R_MICROBLAZE_TEXTPCREL_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_TEXTREL: ++ microblaze_reloc = R_MICROBLAZE_TEXTREL_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_PLT: ++ microblaze_reloc = R_MICROBLAZE_PLT_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_GOTOFF: ++ microblaze_reloc = R_MICROBLAZE_GOTOFF_64; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_GOTOFF: ++ microblaze_reloc = R_MICROBLAZE_GOTOFF_32; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_TLSGD: ++ microblaze_reloc = R_MICROBLAZE_TLSGD; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_TLSLD: ++ microblaze_reloc = R_MICROBLAZE_TLSLD; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_TLSDTPREL: ++ microblaze_reloc = R_MICROBLAZE_TLSDTPREL32; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_TLSDTPREL: ++ microblaze_reloc = R_MICROBLAZE_TLSDTPREL64; ++ break; ++ case BFD_RELOC_MICROBLAZE_32_TLSDTPMOD: ++ microblaze_reloc = R_MICROBLAZE_TLSDTPMOD32; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_TLSGOTTPREL: ++ microblaze_reloc = R_MICROBLAZE_TLSGOTTPREL32; ++ break; ++ case BFD_RELOC_MICROBLAZE_64_TLSTPREL: ++ microblaze_reloc = R_MICROBLAZE_TLSTPREL32; ++ break; ++ case BFD_RELOC_MICROBLAZE_COPY: ++ microblaze_reloc = R_MICROBLAZE_COPY; ++ break; ++ default: ++ return (reloc_howto_type *) NULL; ++ } ++ ++ if (!microblaze_elf_howto_table [R_MICROBLAZE_32]) ++ /* Initialize howto table if needed. */ ++ microblaze_elf_howto_init (); ++ ++ return microblaze_elf_howto_table [(int) microblaze_reloc]; ++}; ++ ++static reloc_howto_type * ++microblaze_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, ++ const char *r_name) ++{ ++ unsigned int i; ++ ++ for (i = 0; i < NUM_ELEM (microblaze_elf_howto_raw); i++) ++ if (microblaze_elf_howto_raw[i].name != NULL ++ && strcasecmp (microblaze_elf_howto_raw[i].name, r_name) == 0) ++ return µblaze_elf_howto_raw[i]; ++ ++ return NULL; ++} ++ ++/* Set the howto pointer for a RCE ELF reloc. */ ++ ++static bool ++microblaze_elf_info_to_howto (bfd * abfd, ++ arelent * cache_ptr, ++ Elf_Internal_Rela * dst) ++{ ++ unsigned int r_type; ++ ++ if (!microblaze_elf_howto_table [R_MICROBLAZE_32]) ++ /* Initialize howto table if needed. */ ++ microblaze_elf_howto_init (); ++ ++ r_type = ELF64_R_TYPE (dst->r_info); ++ if (r_type >= R_MICROBLAZE_max) ++ { ++ /* xgettext:c-format */ ++ _bfd_error_handler (_("%pB: unsupported relocation type %#x"), ++ abfd, r_type); ++ bfd_set_error (bfd_error_bad_value); ++ return false; ++ } ++ ++ cache_ptr->howto = microblaze_elf_howto_table [r_type]; ++ return true; ++} ++ ++struct _microblaze_elf_section_data ++{ ++ struct bfd_elf_section_data elf; ++ /* Count of used relaxation table entries. */ ++ size_t relax_count; ++ /* Relaxation table. */ ++ struct relax_table *relax; ++}; ++ ++#define microblaze_elf_section_data(sec) \ ++ ((struct _microblaze_elf_section_data *) elf_section_data (sec)) ++ ++static bool ++microblaze_elf_new_section_hook (bfd *abfd, asection *sec) ++{ ++ if (!sec->used_by_bfd) ++ { ++ struct _microblaze_elf_section_data *sdata; ++ size_t amt = sizeof (*sdata); ++ ++ sdata = bfd_zalloc (abfd, amt); ++ if (sdata == NULL) ++ return false; ++ sec->used_by_bfd = sdata; ++ } ++ ++ return _bfd_elf_new_section_hook (abfd, sec); ++} ++ ++/* Microblaze ELF local labels start with 'L.' or '$L', not '.L'. */ ++ ++static bool ++microblaze_elf_is_local_label_name (bfd *abfd, const char *name) ++{ ++ if (name[0] == 'L' && name[1] == '.') ++ return true; ++ ++ if (name[0] == '$' && name[1] == 'L') ++ return true; ++ ++ /* With gcc, the labels go back to starting with '.', so we accept ++ the generic ELF local label syntax as well. */ ++ return _bfd_elf_is_local_label_name (abfd, name); ++} ++ ++/* The microblaze linker (like many others) needs to keep track of ++ the number of relocs that it decides to copy as dynamic relocs in ++ check_relocs for each symbol. This is so that it can later discard ++ them if they are found to be unnecessary. We store the information ++ in a field extending the regular ELF linker hash table. */ ++ ++struct elf64_mb_dyn_relocs ++{ ++ struct elf64_mb_dyn_relocs *next; ++ ++ /* The input section of the reloc. */ ++ asection *sec; ++ ++ /* Total number of relocs copied for the input section. */ ++ bfd_size_type count; ++ ++ /* Number of pc-relative relocs copied for the input section. */ ++ bfd_size_type pc_count; ++}; ++ ++/* ELF linker hash entry. */ ++ ++struct elf64_mb_link_hash_entry ++{ ++ struct elf_link_hash_entry elf; ++ ++ /* Track dynamic relocs copied for this symbol. */ ++ struct elf64_mb_dyn_relocs *dyn_relocs; ++ ++ /* TLS Reference Types for the symbol; Updated by check_relocs */ ++#define TLS_GD 1 /* GD reloc. */ ++#define TLS_LD 2 /* LD reloc. */ ++#define TLS_TPREL 4 /* TPREL reloc, => IE. */ ++#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */ ++#define TLS_TLS 16 /* Any TLS reloc. */ ++ unsigned char tls_mask; ++ ++}; ++ ++#define IS_TLS_GD(x) (x == (TLS_TLS | TLS_GD)) ++#define IS_TLS_LD(x) (x == (TLS_TLS | TLS_LD)) ++#define IS_TLS_DTPREL(x) (x == (TLS_TLS | TLS_DTPREL)) ++#define IS_TLS_NONE(x) (x == 0) ++ ++#define elf64_mb_hash_entry(ent) ((struct elf64_mb_link_hash_entry *)(ent)) ++ ++/* ELF linker hash table. */ ++ ++struct elf64_mb_link_hash_table ++{ ++ struct elf_link_hash_table elf; ++ ++ /* Short-cuts to get to dynamic linker sections. */ ++ asection *sgot; ++ asection *sgotplt; ++ asection *srelgot; ++ asection *splt; ++ asection *srelplt; ++ asection *sdynbss; ++ asection *srelbss; ++ ++ /* Small local sym to section mapping cache. */ ++ struct sym_cache sym_sec; ++ ++ /* TLS Local Dynamic GOT Entry */ ++ union { ++ bfd_signed_vma refcount; ++ bfd_vma offset; ++ } tlsld_got; ++}; ++ ++/* Nonzero if this section has TLS related relocations. */ ++#define has_tls_reloc sec_flg0 ++ ++/* Get the ELF linker hash table from a link_info structure. */ ++ ++#define elf64_mb_hash_table(p) \ ++ ((is_elf_hash_table ((p)->hash) \ ++ && elf_hash_table_id (elf_hash_table (p)) == MICROBLAZE_ELF_DATA) \ ++ ? (struct elf64_mb_link_hash_table *) (p)->hash : NULL) ++ ++/* Create an entry in a microblaze ELF linker hash table. */ ++ ++static struct bfd_hash_entry * ++link_hash_newfunc (struct bfd_hash_entry *entry, ++ struct bfd_hash_table *table, ++ const char *string) ++{ ++ /* Allocate the structure if it has not already been allocated by a ++ subclass. */ ++ if (entry == NULL) ++ { ++ entry = bfd_hash_allocate (table, ++ sizeof (struct elf64_mb_link_hash_entry)); ++ if (entry == NULL) ++ return entry; ++ } ++ ++ /* Call the allocation method of the superclass. */ ++ entry = _bfd_elf_link_hash_newfunc (entry, table, string); ++ if (entry != NULL) ++ { ++ struct elf64_mb_link_hash_entry *eh; ++ ++ eh = (struct elf64_mb_link_hash_entry *) entry; ++ eh->tls_mask = 0; ++ } ++ ++ return entry; ++} ++ ++/* Create a mb ELF linker hash table. */ ++ ++static struct bfd_link_hash_table * ++microblaze_elf_link_hash_table_create (bfd *abfd) ++{ ++ struct elf64_mb_link_hash_table *ret; ++ size_t amt = sizeof (struct elf64_mb_link_hash_table); ++ ++ ret = (struct elf64_mb_link_hash_table *) bfd_zmalloc (amt); ++ if (ret == NULL) ++ return NULL; ++ ++ if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, ++ sizeof (struct elf64_mb_link_hash_entry), ++ MICROBLAZE_ELF_DATA)) ++ { ++ free (ret); ++ return NULL; ++ } ++ ++ return &ret->elf.root; ++} ++ ++/* Set the values of the small data pointers. */ ++ ++static void ++microblaze_elf_final_sdp (struct bfd_link_info *info) ++{ ++ struct bfd_link_hash_entry *h; ++ ++ h = bfd_link_hash_lookup (info->hash, RO_SDA_ANCHOR_NAME, false, false, true); ++ if (h != (struct bfd_link_hash_entry *) NULL ++ && h->type == bfd_link_hash_defined) ++ ro_small_data_pointer = (h->u.def.value ++ + h->u.def.section->output_section->vma ++ + h->u.def.section->output_offset); ++ ++ h = bfd_link_hash_lookup (info->hash, RW_SDA_ANCHOR_NAME, false, false, true); ++ if (h != (struct bfd_link_hash_entry *) NULL ++ && h->type == bfd_link_hash_defined) ++ rw_small_data_pointer = (h->u.def.value ++ + h->u.def.section->output_section->vma ++ + h->u.def.section->output_offset); ++} ++ ++static bfd_vma ++dtprel_base (struct bfd_link_info *info) ++{ ++ /* If tls_sec is NULL, we should have signalled an error already. */ ++ if (elf_hash_table (info)->tls_sec == NULL) ++ return 0; ++ return elf_hash_table (info)->tls_sec->vma; ++} ++ ++/* The size of the thread control block. */ ++#define TCB_SIZE 8 ++ ++/* Output a simple dynamic relocation into SRELOC. */ ++ ++static void ++microblaze_elf_output_dynamic_relocation (bfd *output_bfd, ++ asection *sreloc, ++ unsigned long reloc_index, ++ unsigned long indx, ++ int r_type, ++ bfd_vma offset, ++ bfd_vma addend) ++{ ++ ++ Elf_Internal_Rela rel; ++ ++ rel.r_info = ELF64_R_INFO (indx, r_type); ++ rel.r_offset = offset; ++ rel.r_addend = addend; ++ ++ bfd_elf64_swap_reloca_out (output_bfd, &rel, ++ (sreloc->contents + reloc_index * sizeof (Elf64_External_Rela))); ++} ++ ++/* This code is taken from elf64-m32r.c ++ There is some attempt to make this function usable for many architectures, ++ both USE_REL and USE_RELA ['twould be nice if such a critter existed], ++ if only to serve as a learning tool. ++ ++ The RELOCATE_SECTION function is called by the new ELF backend linker ++ to handle the relocations for a section. ++ ++ The relocs are always passed as Rela structures; if the section ++ actually uses Rel structures, the r_addend field will always be ++ zero. ++ ++ This function is responsible for adjust the section contents as ++ necessary, and (if using Rela relocs and generating a ++ relocatable output file) adjusting the reloc addend as ++ necessary. ++ ++ This function does not have to worry about setting the reloc ++ address or the reloc symbol index. ++ ++ LOCAL_SYMS is a pointer to the swapped in local symbols. ++ ++ LOCAL_SECTIONS is an array giving the section in the input file ++ corresponding to the st_shndx field of each local symbol. ++ ++ The global hash table entry for the global symbols can be found ++ via elf_sym_hashes (input_bfd). ++ ++ When generating relocatable output, this function must handle ++ STB_LOCAL/STT_SECTION symbols specially. The output symbol is ++ going to be the section symbol corresponding to the output ++ section, which means that the addend must be adjusted ++ accordingly. */ ++ ++static int ++microblaze_elf_relocate_section (bfd *output_bfd, ++ struct bfd_link_info *info, ++ bfd *input_bfd, ++ asection *input_section, ++ bfd_byte *contents, ++ Elf_Internal_Rela *relocs, ++ Elf_Internal_Sym *local_syms, ++ asection **local_sections) ++{ ++ struct elf64_mb_link_hash_table *htab; ++ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; ++ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); ++ Elf_Internal_Rela *rel, *relend; ++ int endian = (bfd_little_endian (output_bfd)) ? 0 : 2; ++ /* Assume success. */ ++ bool ret = true; ++ asection *sreloc; ++ bfd_vma *local_got_offsets; ++ unsigned int tls_type; ++ ++ if (!microblaze_elf_howto_table[R_MICROBLAZE_max-1]) ++ microblaze_elf_howto_init (); ++ ++ htab = elf64_mb_hash_table (info); ++ if (htab == NULL) ++ return false; ++ ++ local_got_offsets = elf_local_got_offsets (input_bfd); ++ ++ sreloc = elf_section_data (input_section)->sreloc; ++ ++ rel = relocs; ++ relend = relocs + input_section->reloc_count; ++ for (; rel < relend; rel++) ++ { ++ int r_type; ++ reloc_howto_type *howto; ++ unsigned long r_symndx; ++ bfd_vma addend = rel->r_addend; ++ bfd_vma offset = rel->r_offset; ++ struct elf_link_hash_entry *h; ++ Elf_Internal_Sym *sym; ++ asection *sec; ++ const char *sym_name; ++ bfd_reloc_status_type r = bfd_reloc_ok; ++ const char *errmsg = NULL; ++ bool unresolved_reloc = false; ++ ++ h = NULL; ++ r_type = ELF64_R_TYPE (rel->r_info); ++ tls_type = 0; ++ ++ if (r_type < 0 || r_type >= (int) R_MICROBLAZE_max) ++ { ++ /* xgettext:c-format */ ++ _bfd_error_handler (_("%pB: unsupported relocation type %#x"), ++ input_bfd, (int) r_type); ++ bfd_set_error (bfd_error_bad_value); ++ ret = false; ++ continue; ++ } ++ ++ howto = microblaze_elf_howto_table[r_type]; ++ r_symndx = ELF64_R_SYM (rel->r_info); ++ ++ if (bfd_link_relocatable (info)) ++ { ++ /* This is a relocatable link. We don't have to change ++ anything, unless the reloc is against a section symbol, ++ in which case we have to adjust according to where the ++ section symbol winds up in the output section. */ ++ sec = NULL; ++ if (r_symndx >= symtab_hdr->sh_info) ++ /* External symbol. */ ++ continue; ++ ++ /* Local symbol. */ ++ sym = local_syms + r_symndx; ++ sym_name = ""; ++ /* STT_SECTION: symbol is associated with a section. */ ++ if (ELF_ST_TYPE (sym->st_info) != STT_SECTION) ++ /* Symbol isn't associated with a section. Nothing to do. */ ++ continue; ++ ++ sec = local_sections[r_symndx]; ++ addend += sec->output_offset + sym->st_value; ++#ifndef USE_REL ++ /* This can't be done for USE_REL because it doesn't mean anything ++ and elf_link_input_bfd asserts this stays zero. */ ++ /* rel->r_addend = addend; */ ++#endif ++ ++#ifndef USE_REL ++ /* Addends are stored with relocs. We're done. */ ++ continue; ++#else /* USE_REL */ ++ /* If partial_inplace, we need to store any additional addend ++ back in the section. */ ++ if (!howto->partial_inplace) ++ continue; ++ /* ??? Here is a nice place to call a special_function like handler. */ ++ r = _bfd_relocate_contents (howto, input_bfd, addend, ++ contents + offset); ++#endif /* USE_REL */ ++ } ++ else ++ { ++ bfd_vma relocation; ++ bool resolved_to_zero; ++ ++ /* This is a final link. */ ++ sym = NULL; ++ sec = NULL; ++ unresolved_reloc = false; ++ ++ if (r_symndx < symtab_hdr->sh_info) ++ { ++ /* Local symbol. */ ++ sym = local_syms + r_symndx; ++ sec = local_sections[r_symndx]; ++ if (sec == 0) ++ continue; ++ sym_name = ""; ++ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); ++ /* r_addend may have changed if the reference section was ++ a merge section. */ ++ addend = rel->r_addend; ++ } ++ else ++ { ++ /* External symbol. */ ++ bool warned ATTRIBUTE_UNUSED; ++ bool ignored ATTRIBUTE_UNUSED; ++ ++ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, ++ r_symndx, symtab_hdr, sym_hashes, ++ h, sec, relocation, ++ unresolved_reloc, warned, ignored); ++ sym_name = h->root.root.string; ++ } ++ ++ /* Sanity check the address. */ ++ if (offset > bfd_get_section_limit (input_bfd, input_section)) ++ { ++ r = bfd_reloc_outofrange; ++ goto check_reloc; ++ } ++ ++ resolved_to_zero = (h != NULL ++ && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)); ++ ++ switch ((int) r_type) ++ { ++ case (int) R_MICROBLAZE_SRO32 : ++ { ++ const char *name; ++ ++ /* Only relocate if the symbol is defined. */ ++ if (sec) ++ { ++ name = bfd_section_name (sec); ++ ++ if (strcmp (name, ".sdata2") == 0 ++ || strcmp (name, ".sbss2") == 0) ++ { ++ if (ro_small_data_pointer == 0) ++ microblaze_elf_final_sdp (info); ++ if (ro_small_data_pointer == 0) ++ { ++ ret = false; ++ r = bfd_reloc_undefined; ++ goto check_reloc; ++ } ++ ++ /* At this point `relocation' contains the object's ++ address. */ ++ relocation -= ro_small_data_pointer; ++ /* Now it contains the offset from _SDA2_BASE_. */ ++ r = _bfd_final_link_relocate (howto, input_bfd, ++ input_section, ++ contents, offset, ++ relocation, addend); ++ } ++ else ++ { ++ _bfd_error_handler ++ /* xgettext:c-format */ ++ (_("%pB: the target (%s) of an %s relocation" ++ " is in the wrong section (%pA)"), ++ input_bfd, ++ sym_name, ++ microblaze_elf_howto_table[(int) r_type]->name, ++ sec); ++ /*bfd_set_error (bfd_error_bad_value); ??? why? */ ++ ret = false; ++ continue; ++ } ++ } ++ } ++ break; ++ ++ case (int) R_MICROBLAZE_SRW32 : ++ { ++ const char *name; ++ ++ /* Only relocate if the symbol is defined. */ ++ if (sec) ++ { ++ name = bfd_section_name (sec); ++ ++ if (strcmp (name, ".sdata") == 0 ++ || strcmp (name, ".sbss") == 0) ++ { ++ if (rw_small_data_pointer == 0) ++ microblaze_elf_final_sdp (info); ++ if (rw_small_data_pointer == 0) ++ { ++ ret = false; ++ r = bfd_reloc_undefined; ++ goto check_reloc; ++ } ++ ++ /* At this point `relocation' contains the object's ++ address. */ ++ relocation -= rw_small_data_pointer; ++ /* Now it contains the offset from _SDA_BASE_. */ ++ r = _bfd_final_link_relocate (howto, input_bfd, ++ input_section, ++ contents, offset, ++ relocation, addend); ++ } ++ else ++ { ++ _bfd_error_handler ++ /* xgettext:c-format */ ++ (_("%pB: the target (%s) of an %s relocation" ++ " is in the wrong section (%pA)"), ++ input_bfd, ++ sym_name, ++ microblaze_elf_howto_table[(int) r_type]->name, ++ sec); ++ /*bfd_set_error (bfd_error_bad_value); ??? why? */ ++ ret = false; ++ continue; ++ } ++ } ++ } ++ break; ++ ++ case (int) R_MICROBLAZE_32_SYM_OP_SYM: ++ break; /* Do nothing. */ ++ ++ case (int) R_MICROBLAZE_GOTPC_64: ++ relocation = (htab->elf.sgotplt->output_section->vma ++ + htab->elf.sgotplt->output_offset); ++ relocation -= (input_section->output_section->vma ++ + input_section->output_offset ++ + offset + INST_WORD_SIZE); ++ relocation += addend; ++ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ contents + offset + endian); ++ bfd_put_16 (input_bfd, relocation & 0xffff, ++ contents + offset + endian + INST_WORD_SIZE); ++ break; ++ ++ case (int) R_MICROBLAZE_TEXTPCREL_64: ++ relocation = input_section->output_section->vma; ++ relocation -= (input_section->output_section->vma ++ + input_section->output_offset ++ + offset + INST_WORD_SIZE); ++ relocation += addend; ++ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ contents + offset + endian); ++ bfd_put_16 (input_bfd, relocation & 0xffff, ++ contents + offset + endian + INST_WORD_SIZE); ++ break; ++ ++ case (int) R_MICROBLAZE_PLT_64: ++ { ++ bfd_vma immediate; ++ if (htab->elf.splt != NULL && h != NULL ++ && h->plt.offset != (bfd_vma) -1) ++ { ++ relocation = (htab->elf.splt->output_section->vma ++ + htab->elf.splt->output_offset ++ + h->plt.offset); ++ unresolved_reloc = false; ++ immediate = relocation - (input_section->output_section->vma ++ + input_section->output_offset ++ + offset + INST_WORD_SIZE); ++ bfd_put_16 (input_bfd, (immediate >> 16) & 0xffff, ++ contents + offset + endian); ++ bfd_put_16 (input_bfd, immediate & 0xffff, ++ contents + offset + endian + INST_WORD_SIZE); ++ } ++ else ++ { ++ relocation -= (input_section->output_section->vma ++ + input_section->output_offset ++ + offset + INST_WORD_SIZE); ++ immediate = relocation; ++ bfd_put_16 (input_bfd, (immediate >> 16) & 0xffff, ++ contents + offset + endian); ++ bfd_put_16 (input_bfd, immediate & 0xffff, ++ contents + offset + endian + INST_WORD_SIZE); ++ } ++ break; ++ } ++ ++ case (int) R_MICROBLAZE_TLSGD: ++ tls_type = (TLS_TLS | TLS_GD); ++ goto dogot; ++ case (int) R_MICROBLAZE_TLSLD: ++ tls_type = (TLS_TLS | TLS_LD); ++ /* Fall through. */ ++ dogot: ++ case (int) R_MICROBLAZE_GOT_64: ++ { ++ bfd_vma *offp; ++ bfd_vma off, off2; ++ unsigned long indx; ++ bfd_vma static_value; ++ ++ bool need_relocs = false; ++ if (htab->elf.sgot == NULL) ++ abort (); ++ ++ indx = 0; ++ offp = NULL; ++ ++ /* 1. Identify GOT Offset; ++ 2. Compute Static Values ++ 3. Process Module Id, Process Offset ++ 4. Fixup Relocation with GOT offset value. */ ++ ++ /* 1. Determine GOT Offset to use : TLS_LD, global, local */ ++ if (IS_TLS_LD (tls_type)) ++ offp = &htab->tlsld_got.offset; ++ else if (h != NULL) ++ { ++ if (htab->elf.sgotplt != NULL ++ && h->got.offset != (bfd_vma) -1) ++ offp = &h->got.offset; ++ else ++ abort (); ++ } ++ else ++ { ++ if (local_got_offsets == NULL) ++ abort (); ++ offp = &local_got_offsets[r_symndx]; ++ } ++ ++ if (!offp) ++ abort (); ++ ++ off = (*offp) & ~1; ++ off2 = off; ++ ++ if (IS_TLS_LD(tls_type) || IS_TLS_GD(tls_type)) ++ off2 = off + 4; ++ ++ /* Symbol index to use for relocs */ ++ if (h != NULL) ++ { ++ bool dyn = ++ elf_hash_table (info)->dynamic_sections_created; ++ ++ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, ++ bfd_link_pic (info), ++ h) ++ && (!bfd_link_pic (info) ++ || !SYMBOL_REFERENCES_LOCAL (info, h))) ++ indx = h->dynindx; ++ } ++ ++ /* Need to generate relocs ? */ ++ if ((bfd_link_pic (info) || indx != 0) ++ && (h == NULL ++ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT ++ || h->root.type != bfd_link_hash_undefweak)) ++ need_relocs = true; ++ ++ /* 2. Compute/Emit Static value of r-expression */ ++ static_value = relocation + addend; ++ ++ /* 3. Process module-id and offset */ ++ if (! ((*offp) & 1) ) ++ { ++ bfd_vma got_offset; ++ ++ got_offset = (htab->elf.sgot->output_section->vma ++ + htab->elf.sgot->output_offset ++ + off); ++ ++ /* Process module-id */ ++ if (IS_TLS_LD(tls_type)) ++ { ++ if (! bfd_link_pic (info)) ++ bfd_put_32 (output_bfd, 1, ++ htab->elf.sgot->contents + off); ++ else ++ microblaze_elf_output_dynamic_relocation ++ (output_bfd, ++ htab->elf.srelgot, ++ htab->elf.srelgot->reloc_count++, ++ /* symindex= */ 0, R_MICROBLAZE_TLSDTPMOD32, ++ got_offset, 0); ++ } ++ else if (IS_TLS_GD(tls_type)) ++ { ++ if (! need_relocs) ++ bfd_put_32 (output_bfd, 1, ++ htab->elf.sgot->contents + off); ++ else ++ microblaze_elf_output_dynamic_relocation ++ (output_bfd, ++ htab->elf.srelgot, ++ htab->elf.srelgot->reloc_count++, ++ /* symindex= */ indx, R_MICROBLAZE_TLSDTPMOD32, ++ got_offset, indx ? 0 : static_value); ++ } ++ ++ /* Process Offset */ ++ if (htab->elf.srelgot == NULL) ++ abort (); ++ ++ got_offset = (htab->elf.sgot->output_section->vma ++ + htab->elf.sgot->output_offset ++ + off2); ++ if (IS_TLS_LD(tls_type)) ++ { ++ /* For LD, offset should be 0 */ ++ *offp |= 1; ++ bfd_put_32 (output_bfd, 0, ++ htab->elf.sgot->contents + off2); ++ } ++ else if (IS_TLS_GD(tls_type)) ++ { ++ *offp |= 1; ++ static_value -= dtprel_base(info); ++ if (need_relocs) ++ microblaze_elf_output_dynamic_relocation ++ (output_bfd, ++ htab->elf.srelgot, ++ htab->elf.srelgot->reloc_count++, ++ /* symindex= */ indx, R_MICROBLAZE_TLSDTPREL32, ++ got_offset, indx ? 0 : static_value); ++ else ++ bfd_put_32 (output_bfd, static_value, ++ htab->elf.sgot->contents + off2); ++ } ++ else ++ { ++ bfd_put_32 (output_bfd, static_value, ++ htab->elf.sgot->contents + off2); ++ ++ /* Relocs for dyn symbols generated by ++ finish_dynamic_symbols */ ++ if (bfd_link_pic (info) && h == NULL) ++ { ++ *offp |= 1; ++ microblaze_elf_output_dynamic_relocation ++ (output_bfd, ++ htab->elf.srelgot, ++ htab->elf.srelgot->reloc_count++, ++ /* symindex= */ indx, R_MICROBLAZE_REL, ++ got_offset, static_value); ++ } ++ } ++ } ++ ++ /* 4. Fixup Relocation with GOT offset value ++ Compute relative address of GOT entry for applying ++ the current relocation */ ++ relocation = htab->elf.sgot->output_section->vma ++ + htab->elf.sgot->output_offset ++ + off ++ - htab->elf.sgotplt->output_section->vma ++ - htab->elf.sgotplt->output_offset; ++ ++ /* Apply Current Relocation */ ++ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ contents + offset + endian); ++ bfd_put_16 (input_bfd, relocation & 0xffff, ++ contents + offset + endian + INST_WORD_SIZE); ++ ++ unresolved_reloc = false; ++ break; ++ } ++ ++ case (int) R_MICROBLAZE_GOTOFF_64: ++ { ++ bfd_vma immediate; ++ unsigned short lo, high; ++ relocation += addend; ++ relocation -= (htab->elf.sgotplt->output_section->vma ++ + htab->elf.sgotplt->output_offset); ++ /* Write this value into correct location. */ ++ immediate = relocation; ++ lo = immediate & 0x0000ffff; ++ high = (immediate >> 16) & 0x0000ffff; ++ bfd_put_16 (input_bfd, high, contents + offset + endian); ++ bfd_put_16 (input_bfd, lo, ++ contents + offset + INST_WORD_SIZE + endian); ++ break; ++ } ++ ++ case (int) R_MICROBLAZE_GOTOFF_32: ++ { ++ relocation += addend; ++ relocation -= (htab->elf.sgotplt->output_section->vma ++ + htab->elf.sgotplt->output_offset); ++ /* Write this value into correct location. */ ++ bfd_put_32 (input_bfd, relocation, contents + offset); ++ break; ++ } ++ ++ case (int) R_MICROBLAZE_TLSDTPREL64: ++ relocation += addend; ++ relocation -= dtprel_base(info); ++ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ contents + offset + endian); ++ bfd_put_16 (input_bfd, relocation & 0xffff, ++ contents + offset + endian + INST_WORD_SIZE); ++ break; ++ case (int) R_MICROBLAZE_TEXTREL_64: ++ case (int) R_MICROBLAZE_TEXTREL_32_LO: ++ case (int) R_MICROBLAZE_64_PCREL : ++ case (int) R_MICROBLAZE_64: ++ case (int) R_MICROBLAZE_32: ++ case (int) R_MICROBLAZE_IMML_64: ++ { ++ /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols ++ from removed linkonce sections, or sections discarded by ++ a linker script. */ ++ if (r_symndx == STN_UNDEF || (input_section->flags & SEC_ALLOC) == 0) ++ { ++ relocation += addend; ++ if (r_type == R_MICROBLAZE_32)// || r_type == R_MICROBLAZE_IMML_64) ++ bfd_put_32 (input_bfd, relocation, contents + offset); ++ else if (r_type == R_MICROBLAZE_IMML_64) ++ bfd_put_64 (input_bfd, relocation, contents + offset); ++ else ++ { ++ if (r_type == R_MICROBLAZE_64_PCREL) ++ relocation -= (input_section->output_section->vma ++ + input_section->output_offset ++ + offset + INST_WORD_SIZE); ++ else if (r_type == R_MICROBLAZE_TEXTREL_64 ++ || r_type == R_MICROBLAZE_TEXTREL_32_LO) ++ relocation -= input_section->output_section->vma; ++ ++ if (r_type == R_MICROBLAZE_TEXTREL_32_LO) ++ bfd_put_16 (input_bfd, relocation & 0xffff, ++ contents + offset + endian); ++ ++ unsigned long insn = bfd_get_32 (input_bfd, contents + offset +endian); ++ if ((insn & 0xff000000) == 0xb2000000) ++ { ++ insn &= ~0x00ffffff; ++ insn |= (relocation >> 16) & 0xffffff; ++ bfd_put_32 (input_bfd, insn, ++ contents + offset + endian); ++ } ++ else ++ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ contents + offset + endian); ++ bfd_put_16 (input_bfd, relocation & 0xffff, ++ contents + offset + endian + INST_WORD_SIZE); ++ } ++ break; ++ } ++ ++ if ((bfd_link_pic (info) ++ && (h == NULL ++ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT ++ && !resolved_to_zero) ++ || h->root.type != bfd_link_hash_undefweak) ++ && (!howto->pc_relative ++ || (h != NULL ++ && h->dynindx != -1 ++ && (!info->symbolic ++ || !h->def_regular)))) ++ || (!bfd_link_pic (info) ++ && h != NULL ++ && h->dynindx != -1 ++ && !h->non_got_ref ++ && ((h->def_dynamic ++ && !h->def_regular) ++ || h->root.type == bfd_link_hash_undefweak ++ || h->root.type == bfd_link_hash_undefined))) ++ { ++ Elf_Internal_Rela outrel; ++ bfd_byte *loc; ++ bool skip; ++ ++ /* When generating a shared object, these relocations ++ are copied into the output file to be resolved at run ++ time. */ ++ ++ BFD_ASSERT (sreloc != NULL); ++ ++ skip = false; ++ ++ outrel.r_offset = ++ _bfd_elf_section_offset (output_bfd, info, input_section, ++ rel->r_offset); ++ if (outrel.r_offset == (bfd_vma) -1) ++ skip = true; ++ else if (outrel.r_offset == (bfd_vma) -2) ++ skip = true; ++ outrel.r_offset += (input_section->output_section->vma ++ + input_section->output_offset); ++ ++ if (skip) ++ memset (&outrel, 0, sizeof outrel); ++ /* h->dynindx may be -1 if the symbol was marked to ++ become local. */ ++ else if (h != NULL ++ && ((! info->symbolic && h->dynindx != -1) ++ || !h->def_regular)) ++ { ++ BFD_ASSERT (h->dynindx != -1); ++ outrel.r_info = ELF64_R_INFO (h->dynindx, r_type); ++ outrel.r_addend = addend; ++ } ++ else ++ { ++ if (r_type == R_MICROBLAZE_32 || r_type == R_MICROBLAZE_IMML_64) ++ { ++ outrel.r_info = ELF64_R_INFO (0, R_MICROBLAZE_REL); ++ outrel.r_addend = relocation + addend; ++ } ++ else ++ { ++ BFD_FAIL (); ++ _bfd_error_handler ++ (_("%pB: probably compiled without -fPIC?"), ++ input_bfd); ++ bfd_set_error (bfd_error_bad_value); ++ return false; ++ } ++ } ++ ++ loc = sreloc->contents; ++ loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); ++ bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); ++ break; ++ } ++ else ++ { ++ relocation += addend; ++ if (r_type == R_MICROBLAZE_32) ++ bfd_put_32 (input_bfd, relocation, contents + offset); ++ else if (r_type == R_MICROBLAZE_IMML_64) ++ bfd_put_64 (input_bfd, relocation, contents + offset + endian); ++ else ++ { ++ if (r_type == R_MICROBLAZE_64_PCREL) ++ { ++ if (!input_section->output_section->vma && ++ !input_section->output_offset && !offset) ++ relocation -= (input_section->output_section->vma ++ + input_section->output_offset ++ + offset); ++ else ++ relocation -= (input_section->output_section->vma ++ + input_section->output_offset + offset + INST_WORD_SIZE); ++ } ++ else if (r_type == R_MICROBLAZE_TEXTREL_64 ++ || r_type == R_MICROBLAZE_TEXTREL_32_LO) ++ relocation -= input_section->output_section->vma; ++ ++ if (r_type == R_MICROBLAZE_TEXTREL_32_LO) ++ { ++ bfd_put_16 (input_bfd, relocation & 0xffff, ++ contents + offset + endian); ++ } ++ unsigned long insn = bfd_get_32 (input_bfd, contents + offset +endian); ++ if ((insn & 0xff000000) == 0xb2000000) ++ { ++ insn &= ~0x00ffffff; ++ insn |= (relocation >> 16) & 0xffffff; ++ bfd_put_32 (input_bfd, insn, ++ contents + offset + endian); ++ } ++ else ++ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ contents + offset + endian); ++ bfd_put_16 (input_bfd, relocation & 0xffff, ++ contents + offset + endian + INST_WORD_SIZE); ++ } ++ break; ++ } ++ } ++ ++ default : ++ r = _bfd_final_link_relocate (howto, input_bfd, input_section, ++ contents, offset, ++ relocation, addend); ++ break; ++ } ++ } ++ ++ check_reloc: ++ ++ if (r != bfd_reloc_ok) ++ { ++ /* FIXME: This should be generic enough to go in a utility. */ ++ const char *name; ++ ++ if (h != NULL) ++ name = h->root.root.string; ++ else ++ { ++ name = (bfd_elf_string_from_elf_section ++ (input_bfd, symtab_hdr->sh_link, sym->st_name)); ++ if (name == NULL || *name == '\0') ++ name = bfd_section_name (sec); ++ } ++ ++ if (errmsg != NULL) ++ goto common_error; ++ ++ switch (r) ++ { ++ case bfd_reloc_overflow: ++ (*info->callbacks->reloc_overflow) ++ (info, (h ? &h->root : NULL), name, howto->name, ++ (bfd_vma) 0, input_bfd, input_section, offset); ++ break; ++ ++ case bfd_reloc_undefined: ++ (*info->callbacks->undefined_symbol) ++ (info, name, input_bfd, input_section, offset, true); ++ break; ++ ++ case bfd_reloc_outofrange: ++ errmsg = _("internal error: out of range error"); ++ goto common_error; ++ ++ case bfd_reloc_notsupported: ++ errmsg = _("internal error: unsupported relocation error"); ++ goto common_error; ++ ++ case bfd_reloc_dangerous: ++ errmsg = _("internal error: dangerous error"); ++ goto common_error; ++ ++ default: ++ errmsg = _("internal error: unknown error"); ++ /* Fall through. */ ++ common_error: ++ (*info->callbacks->warning) (info, errmsg, name, input_bfd, ++ input_section, offset); ++ break; ++ } ++ } ++ } ++ ++ return ret; ++} ++ ++/* Merge backend specific data from an object file to the output ++ object file when linking. ++ ++ Note: We only use this hook to catch endian mismatches. */ ++static bool ++microblaze_elf_merge_private_bfd_data (bfd * ibfd, bfd * obfd) ++{ ++ /* Check if we have the same endianess. */ ++ if (! _bfd_generic_verify_endian_match (ibfd, obfd)) ++ return false; ++ ++ return true; ++} ++ ++ ++/* Calculate fixup value for reference. */ ++ ++static size_t ++calc_fixup (bfd_vma start, bfd_vma size, asection *sec) ++{ ++ bfd_vma end = start + size; ++ size_t i, fixup = 0; ++ struct _microblaze_elf_section_data *sdata; ++ ++ if (sec == NULL || (sdata = microblaze_elf_section_data (sec)) == NULL) ++ return 0; ++ ++ /* Look for addr in relax table, total fixup value. */ ++ for (i = 0; i < sdata->relax_count; i++) ++ { ++ if (end <= sdata->relax[i].addr) ++ break; ++ if (end != start && start > sdata->relax[i].addr) ++ continue; ++ fixup += sdata->relax[i].size; ++ } ++ return fixup; ++} ++ ++/* Read-modify-write into the bfd, an immediate value into appropriate fields of ++ a 32-bit instruction. */ ++static void ++microblaze_bfd_write_imm_value_32 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val) ++{ ++ unsigned long instr = bfd_get_32 (abfd, bfd_addr); ++ ++ if ((instr & 0xff000000) == 0xb2000000) ++ { ++ instr &= ~0x00ffffff; ++ instr |= (val & 0xffffff); ++ bfd_put_32 (abfd, instr, bfd_addr); ++ } ++ else ++ { ++ instr &= ~0x0000ffff; ++ instr |= (val & 0x0000ffff); ++ bfd_put_32 (abfd, instr, bfd_addr); ++ } ++} ++ ++/* Read-modify-write into the bfd, an immediate value into appropriate fields of ++ two consecutive 32-bit instructions. */ ++static void ++microblaze_bfd_write_imm_value_64 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val) ++{ ++ unsigned long instr_hi; ++ unsigned long instr_lo; ++ ++ instr_hi = bfd_get_32 (abfd, bfd_addr); ++ if ((instr_hi & 0xff000000) == 0xb2000000) ++ { ++ instr_hi &= ~0x00ffffff; ++ instr_hi |= (val >> 16) & 0xffffff; ++ bfd_put_32 (abfd, instr_hi,bfd_addr); ++ } ++ else ++ { ++ instr_hi &= ~0x0000ffff; ++ instr_hi |= ((val >> 16) & 0x0000ffff); ++ bfd_put_32 (abfd, instr_hi, bfd_addr); ++ } ++ instr_lo = bfd_get_32 (abfd, bfd_addr + INST_WORD_SIZE); ++ instr_lo &= ~0x0000ffff; ++ instr_lo |= (val & 0x0000ffff); ++ bfd_put_32 (abfd, instr_lo, bfd_addr + INST_WORD_SIZE); ++} ++ ++static bool ++microblaze_elf_relax_section (bfd *abfd, ++ asection *sec, ++ struct bfd_link_info *link_info, ++ bool *again) ++{ ++ Elf_Internal_Shdr *symtab_hdr; ++ Elf_Internal_Rela *internal_relocs; ++ Elf_Internal_Rela *irel, *irelend; ++ bfd_byte *contents = NULL; ++ int rel_count; ++ unsigned int shndx; ++ size_t i, sym_index; ++ asection *o; ++ struct elf_link_hash_entry *sym_hash; ++ Elf_Internal_Sym *isymbuf, *isymend; ++ Elf_Internal_Sym *isym; ++ size_t symcount; ++ size_t offset; ++ bfd_vma src, dest; ++ struct _microblaze_elf_section_data *sdata; ++ ++ /* We only do this once per section. We may be able to delete some code ++ by running multiple passes, but it is not worth it. */ ++ *again = false; ++ ++ /* Only do this for a text section. */ ++ if (bfd_link_relocatable (link_info) ++ || (sec->flags & SEC_RELOC) == 0 ++ || (sec->flags & SEC_CODE) == 0 ++ || sec->reloc_count == 0 ++ || (sdata = microblaze_elf_section_data (sec)) == NULL) ++ return true; ++ ++ BFD_ASSERT ((sec->size > 0) || (sec->rawsize > 0)); ++ ++ /* If this is the first time we have been called for this section, ++ initialize the cooked size. */ ++ if (sec->size == 0) ++ sec->size = sec->rawsize; ++ ++ /* Get symbols for this section. */ ++ symtab_hdr = &elf_tdata (abfd)->symtab_hdr; ++ isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; ++ symcount = symtab_hdr->sh_size / sizeof (Elf64_External_Sym); ++ if (isymbuf == NULL) ++ isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, symcount, ++ 0, NULL, NULL, NULL); ++ BFD_ASSERT (isymbuf != NULL); ++ ++ internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL, link_info->keep_memory); ++ if (internal_relocs == NULL) ++ goto error_return; ++ ++ sdata->relax_count = 0; ++ sdata->relax = (struct relax_table *) bfd_malloc ((sec->reloc_count + 1) ++ * sizeof (*sdata->relax)); ++ if (sdata->relax == NULL) ++ goto error_return; ++ ++ irelend = internal_relocs + sec->reloc_count; ++ rel_count = 0; ++ for (irel = internal_relocs; irel < irelend; irel++, rel_count++) ++ { ++ bfd_vma symval; ++ if ((ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_64_PCREL) ++ && (ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_64 ) ++&& (ELF64_R_TYPE (irel->r_info) != (int) R_MICROBLAZE_TEXTREL_64)) ++ continue; /* Can't delete this reloc. */ ++ ++ /* Get the section contents. */ ++ if (contents == NULL) ++ { ++ if (elf_section_data (sec)->this_hdr.contents != NULL) ++ contents = elf_section_data (sec)->this_hdr.contents; ++ else ++ { ++ contents = (bfd_byte *) bfd_malloc (sec->size); ++ if (contents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, sec, contents, ++ (file_ptr) 0, sec->size)) ++ goto error_return; ++ elf_section_data (sec)->this_hdr.contents = contents; ++ } ++ } ++ ++ /* Get the value of the symbol referred to by the reloc. */ ++ if (ELF64_R_SYM (irel->r_info) < symtab_hdr->sh_info) ++ { ++ /* A local symbol. */ ++ asection *sym_sec; ++ ++ isym = isymbuf + ELF64_R_SYM (irel->r_info); ++ if (isym->st_shndx == SHN_UNDEF) ++ sym_sec = bfd_und_section_ptr; ++ else if (isym->st_shndx == SHN_ABS) ++ sym_sec = bfd_abs_section_ptr; ++ else if (isym->st_shndx == SHN_COMMON) ++ sym_sec = bfd_com_section_ptr; ++ else ++ sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx); ++ ++ symval = _bfd_elf_rela_local_sym (abfd, isym, &sym_sec, irel); ++ } ++ else ++ { ++ unsigned long indx; ++ struct elf_link_hash_entry *h; ++ ++ indx = ELF64_R_SYM (irel->r_info) - symtab_hdr->sh_info; ++ h = elf_sym_hashes (abfd)[indx]; ++ BFD_ASSERT (h != NULL); ++ ++ if (h->root.type != bfd_link_hash_defined ++ && h->root.type != bfd_link_hash_defweak) ++ /* This appears to be a reference to an undefined ++ symbol. Just ignore it--it will be caught by the ++ regular reloc processing. */ ++ continue; ++ ++ symval = (h->root.u.def.value ++ + h->root.u.def.section->output_section->vma ++ + h->root.u.def.section->output_offset); ++ } ++ ++ /* If this is a PC-relative reloc, subtract the instr offset from ++ the symbol value. */ ++ if (ELF64_R_TYPE (irel->r_info) == (int) R_MICROBLAZE_64_PCREL) ++ { ++ symval = symval + irel->r_addend ++ - (irel->r_offset ++ + sec->output_section->vma ++ + sec->output_offset); ++ } ++ else if (ELF64_R_TYPE (irel->r_info) == (int) R_MICROBLAZE_TEXTREL_64) ++ { ++ symval = symval + irel->r_addend - (sec->output_section->vma); ++ } ++ else ++ symval += irel->r_addend; ++ ++ if ((symval & 0xffff8000) == 0 ++ || (symval & 0xffff8000) == 0xffff8000) ++ { ++ /* We can delete this instruction. */ ++ sdata->relax[sdata->relax_count].addr = irel->r_offset; ++ sdata->relax[sdata->relax_count].size = INST_WORD_SIZE; ++ sdata->relax_count++; ++ ++ /* Rewrite relocation type. */ ++ switch ((enum elf_microblaze_reloc_type) ELF64_R_TYPE (irel->r_info)) ++ { ++ case R_MICROBLAZE_64_PCREL: ++ irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), ++ (int) R_MICROBLAZE_32_PCREL_LO); ++ break; ++ case R_MICROBLAZE_64: ++ irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), ++ (int) R_MICROBLAZE_32_LO); ++ break; ++ case R_MICROBLAZE_TEXTREL_64: ++ irel->r_info = ELF64_R_INFO (ELF64_R_SYM (irel->r_info), ++ (int) R_MICROBLAZE_TEXTREL_32_LO); ++ break; ++ default: ++ /* Cannot happen. */ ++ BFD_ASSERT (false); ++ } ++ } ++ } /* Loop through all relocations. */ ++ ++ /* Loop through the relocs again, and see if anything needs to change. */ ++ if (sdata->relax_count > 0) ++ { ++ shndx = _bfd_elf_section_from_bfd_section (abfd, sec); ++ rel_count = 0; ++ sdata->relax[sdata->relax_count].addr = sec->size; ++ ++ for (irel = internal_relocs; irel < irelend; irel++, rel_count++) ++ { ++ bfd_vma nraddr; ++ ++ /* Get the new reloc address. */ ++ nraddr = irel->r_offset - calc_fixup (irel->r_offset, 0, sec); ++ switch ((enum elf_microblaze_reloc_type) ELF64_R_TYPE (irel->r_info)) ++ { ++ default: ++ break; ++ case R_MICROBLAZE_64_PCREL: ++ break; ++ case R_MICROBLAZE_64: ++ case R_MICROBLAZE_32_LO: ++ /* If this reloc is against a symbol defined in this ++ section, we must check the addend to see it will put the value in ++ range to be adjusted, and hence must be changed. */ ++ if (ELF64_R_SYM (irel->r_info) < symtab_hdr->sh_info) ++ { ++ isym = isymbuf + ELF64_R_SYM (irel->r_info); ++ /* Only handle relocs against .text. */ ++ if (isym->st_shndx == shndx ++ && ELF64_ST_TYPE (isym->st_info) == STT_SECTION) ++ irel->r_addend -= calc_fixup (irel->r_addend, 0, sec); ++ } ++ break; ++ case R_MICROBLAZE_IMML_64: ++ { ++ /* This was a PC-relative instruction that was ++ completely resolved. */ ++ int sfix, efix; ++ unsigned int val; ++ bfd_vma target_address; ++ target_address = irel->r_addend + irel->r_offset; ++ sfix = calc_fixup (irel->r_offset, 0, sec); ++ efix = calc_fixup (target_address, 0, sec); ++ ++ /* Validate the in-band val. */ ++ val = bfd_get_64 (abfd, contents + irel->r_offset); ++ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { ++ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); ++ } ++ irel->r_addend -= (efix - sfix); ++ /* Should use HOWTO. */ ++ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, ++ irel->r_addend); ++ } ++ break; ++ case R_MICROBLAZE_NONE: ++ case R_MICROBLAZE_32_NONE: ++ { ++ /* This was a PC-relative instruction that was ++ completely resolved. */ ++ size_t sfix, efix; ++ unsigned int val; ++ bfd_vma target_address; ++ target_address = irel->r_addend + irel->r_offset; ++ sfix = calc_fixup (irel->r_offset, 0, sec); ++ efix = calc_fixup (target_address, 0, sec); ++ ++ /* Validate the in-band val. */ ++ val = bfd_get_32 (abfd, contents + irel->r_offset); ++ if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { ++ fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); ++ } ++ irel->r_addend -= (efix - sfix); ++ /* Should use HOWTO. */ ++ microblaze_bfd_write_imm_value_32 (abfd, contents + irel->r_offset, ++ irel->r_addend); ++ } ++ break; ++ case R_MICROBLAZE_64_NONE: ++ { ++ /* This was a PC-relative 64-bit instruction that was ++ completely resolved. */ ++ size_t sfix, efix; ++ bfd_vma target_address; ++ target_address = irel->r_addend + irel->r_offset + INST_WORD_SIZE; ++ sfix = calc_fixup (irel->r_offset + INST_WORD_SIZE, 0, sec); ++ efix = calc_fixup (target_address, 0, sec); ++ irel->r_addend -= (efix - sfix); ++ microblaze_bfd_write_imm_value_64 (abfd, contents + irel->r_offset, ++ irel->r_addend); ++ } ++ break; ++ } ++ irel->r_offset = nraddr; ++ } /* Change all relocs in this section. */ ++ ++ /* Look through all other sections. */ ++ for (o = abfd->sections; o != NULL; o = o->next) ++ { ++ Elf_Internal_Rela *irelocs; ++ Elf_Internal_Rela *irelscan, *irelscanend; ++ bfd_byte *ocontents; ++ ++ if (o == sec ++ || (o->flags & SEC_RELOC) == 0 ++ || o->reloc_count == 0) ++ continue; ++ ++ /* We always cache the relocs. Perhaps, if info->keep_memory is ++ false, we should free them, if we are permitted to. */ ++ ++ irelocs = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, true); ++ if (irelocs == NULL) ++ goto error_return; ++ ++ ocontents = NULL; ++ irelscanend = irelocs + o->reloc_count; ++ for (irelscan = irelocs; irelscan < irelscanend; irelscan++) ++ { ++ if (1 && ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_NONE) ++ { ++ unsigned int val; ++ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ ++ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); ++ ++ /* hax: We only do the following fixup for debug location lists. */ ++ if (strcmp(".debug_loc", o->name)) ++ continue; ++ ++ /* This was a PC-relative instruction that was completely resolved. */ ++ if (ocontents == NULL) ++ { ++ if (elf_section_data (o)->this_hdr.contents != NULL) ++ ocontents = elf_section_data (o)->this_hdr.contents; ++ else ++ { ++ /* We always cache the section contents. ++ Perhaps, if info->keep_memory is false, we ++ should free them, if we are permitted to. */ ++ ++ if (o->rawsize == 0) ++ o->rawsize = o->size; ++ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); ++ if (ocontents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, o, ocontents, ++ (file_ptr) 0, ++ o->rawsize)) ++ goto error_return; ++ elf_section_data (o)->this_hdr.contents = ocontents; ++ } ++ } ++ ++ val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); ++ if (val != irelscan->r_addend) { ++ fprintf(stderr, "%d: CORRUPT relax reloc! %x %lx\n", __LINE__, val, irelscan->r_addend); ++ } ++ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); ++ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, ++ irelscan->r_addend); ++ } ++ if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32 ++ || ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_IMML_64) ++ { ++ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ ++ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); ++ ++ /* Look at the reloc only if the value has been resolved. */ ++ if (isym->st_shndx == shndx ++ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) ++ { ++ if (ocontents == NULL) ++ { ++ if (elf_section_data (o)->this_hdr.contents != NULL) ++ ocontents = elf_section_data (o)->this_hdr.contents; ++ else ++ { ++ /* We always cache the section contents. ++ Perhaps, if info->keep_memory is false, we ++ should free them, if we are permitted to. */ ++ if (o->rawsize == 0) ++ o->rawsize = o->size; ++ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); ++ if (ocontents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, o, ocontents, ++ (file_ptr) 0, ++ o->rawsize)) ++ goto error_return; ++ elf_section_data (o)->this_hdr.contents = ocontents; ++ } ++ ++ } ++ irelscan->r_addend -= calc_fixup (irelscan->r_addend, 0, sec); ++ } ++ else if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_SYM_OP_SYM) ++ { ++ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ ++ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); ++ ++ /* Look at the reloc only if the value has been resolved. */ ++ if (ocontents == NULL) ++ { ++ if (elf_section_data (o)->this_hdr.contents != NULL) ++ ocontents = elf_section_data (o)->this_hdr.contents; ++ else ++ { ++ /* We always cache the section contents. ++ Perhaps, if info->keep_memory is false, we ++ should free them, if we are permitted to. */ ++ ++ if (o->rawsize == 0) ++ o->rawsize = o->size; ++ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); ++ if (ocontents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, o, ocontents, ++ (file_ptr) 0, ++ o->rawsize)) ++ goto error_return; ++ elf_section_data (o)->this_hdr.contents = ocontents; ++ } ++ } ++ irelscan->r_addend -= calc_fixup (irelscan->r_addend ++ + isym->st_value, ++ 0, ++ sec); ++ } ++ } ++ else if ((ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_PCREL_LO) ++ || (ELF32_R_TYPE (irelscan->r_info) ++ == (int) R_MICROBLAZE_32_LO) ++ || (ELF32_R_TYPE (irelscan->r_info) ++ == (int) R_MICROBLAZE_TEXTREL_32_LO)) ++ { ++ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ ++ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); ++ ++ /* Look at the reloc only if the value has been resolved. */ ++ if (isym->st_shndx == shndx ++ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) ++ { ++ bfd_vma immediate; ++ bfd_vma target_address; ++ ++ if (ocontents == NULL) ++ { ++ if (elf_section_data (o)->this_hdr.contents != NULL) ++ ocontents = elf_section_data (o)->this_hdr.contents; ++ else ++ { ++ /* We always cache the section contents. ++ Perhaps, if info->keep_memory is false, we ++ should free them, if we are permitted to. */ ++ if (o->rawsize == 0) ++ o->rawsize = o->size; ++ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); ++ if (ocontents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, o, ocontents, ++ (file_ptr) 0, ++ o->rawsize)) ++ goto error_return; ++ elf_section_data (o)->this_hdr.contents = ocontents; ++ } ++ } ++ ++ unsigned long instr = bfd_get_32 (abfd, ocontents + irelscan->r_offset); ++ immediate = instr & 0x0000ffff; ++ target_address = immediate; ++ offset = calc_fixup (target_address, 0, sec); ++ immediate -= offset; ++ irelscan->r_addend -= offset; ++ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset, ++ irelscan->r_addend); ++ } ++ } ++ ++ if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64 ++ || (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_TEXTREL_64)) ++ { ++ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ ++ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); ++ ++ /* Look at the reloc only if the value has been resolved. */ ++ if (isym->st_shndx == shndx ++ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) ++ { ++ bfd_vma immediate; ++ ++ if (ocontents == NULL) ++ { ++ if (elf_section_data (o)->this_hdr.contents != NULL) ++ ocontents = elf_section_data (o)->this_hdr.contents; ++ else ++ { ++ /* We always cache the section contents. ++ Perhaps, if info->keep_memory is false, we ++ should free them, if we are permitted to. */ ++ ++ if (o->rawsize == 0) ++ o->rawsize = o->size; ++ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); ++ if (ocontents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, o, ocontents, ++ (file_ptr) 0, ++ o->rawsize)) ++ goto error_return; ++ elf_section_data (o)->this_hdr.contents = ocontents; ++ } ++ } ++ unsigned long instr_hi = bfd_get_32 (abfd, ocontents ++ + irelscan->r_offset); ++ unsigned long instr_lo = bfd_get_32 (abfd, ocontents ++ + irelscan->r_offset ++ + INST_WORD_SIZE); ++ if ((instr_hi & 0xff000000) == 0xb2000000) ++ immediate = (instr_hi & 0x00ffffff) << 24; ++ else ++ immediate = (instr_hi & 0x0000ffff) << 16; ++ immediate |= (instr_lo & 0x0000ffff); ++ offset = calc_fixup (irelscan->r_addend, 0, sec); ++ immediate -= offset; ++ irelscan->r_addend -= offset; ++ ++ } ++ } ++ else if (ELF64_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_PCREL) ++ { ++ if (ELF64_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ ++ isym = isymbuf + ELF64_R_SYM (irelscan->r_info); ++ ++ /* Look at the reloc only if the value has been resolved. */ ++ if (isym->st_shndx == shndx ++ && (ELF64_ST_TYPE (isym->st_info) == STT_SECTION)) ++ { ++ bfd_vma immediate; ++ bfd_vma target_address; ++ ++ if (ocontents == NULL) ++ { ++ if (elf_section_data (o)->this_hdr.contents != NULL) ++ ocontents = elf_section_data (o)->this_hdr.contents; ++ else ++ { ++ /* We always cache the section contents. ++ Perhaps, if info->keep_memory is false, we ++ should free them, if we are permitted to. */ ++ if (o->rawsize == 0) ++ o->rawsize = o->size; ++ ocontents = (bfd_byte *) bfd_malloc (o->rawsize); ++ if (ocontents == NULL) ++ goto error_return; ++ if (!bfd_get_section_contents (abfd, o, ocontents, ++ (file_ptr) 0, ++ o->rawsize)) ++ goto error_return; ++ elf_section_data (o)->this_hdr.contents = ocontents; ++ } ++ } ++ unsigned long instr_hi = bfd_get_32 (abfd, ocontents ++ + irelscan->r_offset); ++ unsigned long instr_lo = bfd_get_32 (abfd, ocontents ++ + irelscan->r_offset ++ + INST_WORD_SIZE); ++ if ((instr_hi & 0xff000000) == 0xb2000000) ++ immediate = (instr_hi & 0x00ffffff) << 24; ++ else ++ immediate = (instr_hi & 0x0000ffff) << 16; ++ immediate |= (instr_lo & 0x0000ffff); ++ target_address = immediate; ++ offset = calc_fixup (target_address, 0, sec); ++ immediate -= offset; ++ irelscan->r_addend -= offset; ++ microblaze_bfd_write_imm_value_64 (abfd, ocontents ++ + irelscan->r_offset, immediate); ++ } ++ } ++ } ++ } ++ ++ /* Adjust the local symbols defined in this section. */ ++ isymend = isymbuf + symtab_hdr->sh_info; ++ for (isym = isymbuf; isym < isymend; isym++) ++ { ++ if (isym->st_shndx == shndx) ++ { ++ isym->st_value -= calc_fixup (isym->st_value, 0, sec); ++ if (isym->st_size) ++ isym->st_size -= calc_fixup (isym->st_value, isym->st_size, sec); ++ } ++ } ++ ++ /* Now adjust the global symbols defined in this section. */ ++ isym = isymbuf + symtab_hdr->sh_info; ++ symcount = (symtab_hdr->sh_size / sizeof (Elf64_External_Sym)) - symtab_hdr->sh_info; ++ for (sym_index = 0; sym_index < symcount; sym_index++) ++ { ++ sym_hash = elf_sym_hashes (abfd)[sym_index]; ++ if ((sym_hash->root.type == bfd_link_hash_defined ++ || sym_hash->root.type == bfd_link_hash_defweak) ++ && sym_hash->root.u.def.section == sec) ++ { ++ sym_hash->root.u.def.value -= calc_fixup (sym_hash->root.u.def.value, ++ 0, sec); ++ if (sym_hash->size) ++ sym_hash->size -= calc_fixup (sym_hash->root.u.def.value, ++ sym_hash->size, sec); ++ } ++ } ++ ++ /* Physically move the code and change the cooked size. */ ++ dest = sdata->relax[0].addr; ++ for (i = 0; i < sdata->relax_count; i++) ++ { ++ size_t len; ++ src = sdata->relax[i].addr + sdata->relax[i].size; ++ len = (sdata->relax[i+1].addr - sdata->relax[i].addr ++ - sdata->relax[i].size); ++ ++ memmove (contents + dest, contents + src, len); ++ sec->size -= sdata->relax[i].size; ++ dest += len; ++ } ++ ++ elf_section_data (sec)->relocs = internal_relocs; ++ ++ elf_section_data (sec)->this_hdr.contents = contents; ++ ++ symtab_hdr->contents = (bfd_byte *) isymbuf; ++ } ++ ++ if (internal_relocs != NULL ++ && elf_section_data (sec)->relocs != internal_relocs) ++ free (internal_relocs); ++ ++ if (contents != NULL ++ && elf_section_data (sec)->this_hdr.contents != contents) ++ { ++ if (! link_info->keep_memory) ++ free (contents); ++ else ++ { ++ /* Cache the section contents for elf_link_input_bfd. */ ++ elf_section_data (sec)->this_hdr.contents = contents; ++ } ++ } ++ ++ if (sdata->relax_count == 0) ++ { ++ *again = false; ++ free (sdata->relax); ++ sdata->relax = NULL; ++ } ++ else ++ *again = true; ++ return true; ++ ++ error_return: ++ if (isymbuf != NULL ++ && symtab_hdr->contents != (unsigned char *) isymbuf) ++ free (isymbuf); ++ if (internal_relocs != NULL ++ && elf_section_data (sec)->relocs != internal_relocs) ++ free (internal_relocs); ++ if (contents != NULL ++ && elf_section_data (sec)->this_hdr.contents != contents) ++ free (contents); ++ free (sdata->relax); ++ sdata->relax = NULL; ++ sdata->relax_count = 0; ++ return false; ++} ++ ++/* Return the section that should be marked against GC for a given ++ relocation. */ ++ ++static asection * ++microblaze_elf_gc_mark_hook (asection *sec, ++ struct bfd_link_info * info, ++ Elf_Internal_Rela * rel, ++ struct elf_link_hash_entry * h, ++ Elf_Internal_Sym * sym) ++{ ++ if (h != NULL) ++ switch (ELF64_R_TYPE (rel->r_info)) ++ { ++ case R_MICROBLAZE_GNU_VTINHERIT: ++ case R_MICROBLAZE_GNU_VTENTRY: ++ return NULL; ++ } ++ ++ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); ++} ++ ++/* Update the got entry reference counts for the section being removed. */ ++ ++static bool ++microblaze_elf_gc_sweep_hook (bfd * abfd ATTRIBUTE_UNUSED, ++ struct bfd_link_info * info ATTRIBUTE_UNUSED, ++ asection * sec ATTRIBUTE_UNUSED, ++ const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED) ++{ ++ return true; ++} ++ ++/* PIC support. */ ++ ++#define PLT_ENTRY_SIZE 16 ++ ++#define PLT_ENTRY_WORD_0 0xb0000000 /* "imm 0". */ ++#define PLT_ENTRY_WORD_1 0xe9940000 /* "lwi r12,r20,0" - relocated to lwi r12,r20,func@GOT. */ ++#define PLT_ENTRY_WORD_1_NOPIC 0xe9800000 /* "lwi r12,r0,0" - non-PIC object. */ ++#define PLT_ENTRY_WORD_2 0x98186000 /* "brad r12". */ ++#define PLT_ENTRY_WORD_3 0x80000000 /* "nop". */ ++ ++/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up ++ shortcuts to them in our hash table. */ ++ ++static bool ++update_local_sym_info (bfd *abfd, ++ Elf_Internal_Shdr *symtab_hdr, ++ unsigned long r_symndx, ++ unsigned int tls_type) ++{ ++ bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd); ++ unsigned char *local_got_tls_masks; ++ ++ if (local_got_refcounts == NULL) ++ { ++ bfd_size_type size = symtab_hdr->sh_info; ++ ++ size *= (sizeof (*local_got_refcounts) + sizeof (*local_got_tls_masks)); ++ local_got_refcounts = bfd_zalloc (abfd, size); ++ if (local_got_refcounts == NULL) ++ return false; ++ elf_local_got_refcounts (abfd) = local_got_refcounts; ++ } ++ ++ local_got_tls_masks = ++ (unsigned char *) (local_got_refcounts + symtab_hdr->sh_info); ++ local_got_tls_masks[r_symndx] |= tls_type; ++ local_got_refcounts[r_symndx] += 1; ++ ++ return true; ++} ++/* Look through the relocs for a section during the first phase. */ ++ ++static bool ++microblaze_elf_check_relocs (bfd * abfd, ++ struct bfd_link_info * info, ++ asection * sec, ++ const Elf_Internal_Rela * relocs) ++{ ++ Elf_Internal_Shdr * symtab_hdr; ++ struct elf_link_hash_entry ** sym_hashes; ++ struct elf_link_hash_entry ** sym_hashes_end; ++ const Elf_Internal_Rela * rel; ++ const Elf_Internal_Rela * rel_end; ++ struct elf64_mb_link_hash_table *htab; ++ asection *sreloc = NULL; ++ ++ if (bfd_link_relocatable (info)) ++ return true; ++ ++ htab = elf64_mb_hash_table (info); ++ if (htab == NULL) ++ return false; ++ ++ symtab_hdr = & elf_tdata (abfd)->symtab_hdr; ++ sym_hashes = elf_sym_hashes (abfd); ++ sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf64_External_Sym); ++ if (!elf_bad_symtab (abfd)) ++ sym_hashes_end -= symtab_hdr->sh_info; ++ ++ rel_end = relocs + sec->reloc_count; ++ ++ for (rel = relocs; rel < rel_end; rel++) ++ { ++ unsigned int r_type; ++ struct elf_link_hash_entry * h; ++ unsigned long r_symndx; ++ unsigned char tls_type = 0; ++ ++ r_symndx = ELF64_R_SYM (rel->r_info); ++ r_type = ELF64_R_TYPE (rel->r_info); ++ ++ if (r_symndx < symtab_hdr->sh_info) ++ h = NULL; ++ else ++ { ++ h = sym_hashes [r_symndx - symtab_hdr->sh_info]; ++ while (h->root.type == bfd_link_hash_indirect ++ || h->root.type == bfd_link_hash_warning) ++ h = (struct elf_link_hash_entry *) h->root.u.i.link; ++ /* PR15323, ref flags aren't set for references in the same ++ object. */ ++ h->root.non_ir_ref_regular = 1; ++ } ++ ++ switch (r_type) ++ { ++ /* This relocation describes the C++ object vtable hierarchy. ++ Reconstruct it for later use during GC. */ ++ case R_MICROBLAZE_GNU_VTINHERIT: ++ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) ++ return false; ++ break; ++ ++ /* This relocation describes which C++ vtable entries are actually ++ used. Record for later use during GC. */ ++ case R_MICROBLAZE_GNU_VTENTRY: ++ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) ++ return false; ++ break; ++ ++ /* This relocation requires .plt entry. */ ++ case R_MICROBLAZE_PLT_64: ++ if (h != NULL) ++ { ++ h->needs_plt = 1; ++ h->plt.refcount += 1; ++ } ++ break; ++ ++ /* This relocation requires .got entry. */ ++ case R_MICROBLAZE_TLSGD: ++ tls_type |= (TLS_TLS | TLS_GD); ++ goto dogottls; ++ case R_MICROBLAZE_TLSLD: ++ tls_type |= (TLS_TLS | TLS_LD); ++ /* Fall through. */ ++ dogottls: ++ sec->has_tls_reloc = 1; ++ /* Fall through. */ ++ case R_MICROBLAZE_GOT_64: ++ if (htab->elf.sgot == NULL) ++ { ++ if (htab->elf.dynobj == NULL) ++ htab->elf.dynobj = abfd; ++ if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) ++ return false; ++ } ++ if (h != NULL) ++ { ++ h->got.refcount += 1; ++ elf64_mb_hash_entry (h)->tls_mask |= tls_type; ++ } ++ else ++ { ++ if (! update_local_sym_info(abfd, symtab_hdr, r_symndx, tls_type) ) ++ return false; ++ } ++ break; ++ ++ case R_MICROBLAZE_GOTOFF_64: ++ case R_MICROBLAZE_GOTOFF_32: ++ if (htab->elf.sgot == NULL) ++ { ++ if (htab->elf.dynobj == NULL) ++ htab->elf.dynobj = abfd; ++ if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) ++ return false; ++ } ++ break; ++ ++ case R_MICROBLAZE_64: ++ case R_MICROBLAZE_64_PCREL: ++ case R_MICROBLAZE_32: ++ case R_MICROBLAZE_IMML_64: ++ { ++ if (h != NULL && !bfd_link_pic (info)) ++ { ++ /* we may need a copy reloc. */ ++ h->non_got_ref = 1; ++ ++ /* we may also need a .plt entry. */ ++ h->plt.refcount += 1; ++ if (ELF64_R_TYPE (rel->r_info) != R_MICROBLAZE_64_PCREL) ++ h->pointer_equality_needed = 1; ++ } ++ ++ ++ /* If we are creating a shared library, and this is a reloc ++ against a global symbol, or a non PC relative reloc ++ against a local symbol, then we need to copy the reloc ++ into the shared library. However, if we are linking with ++ -Bsymbolic, we do not need to copy a reloc against a ++ global symbol which is defined in an object we are ++ including in the link (i.e., DEF_REGULAR is set). At ++ this point we have not seen all the input files, so it is ++ possible that DEF_REGULAR is not set now but will be set ++ later (it is never cleared). In case of a weak definition, ++ DEF_REGULAR may be cleared later by a strong definition in ++ a shared library. We account for that possibility below by ++ storing information in the relocs_copied field of the hash ++ table entry. A similar situation occurs when creating ++ shared libraries and symbol visibility changes render the ++ symbol local. ++ ++ If on the other hand, we are creating an executable, we ++ may need to keep relocations for symbols satisfied by a ++ dynamic library if we manage to avoid copy relocs for the ++ symbol. */ ++ ++ if ((bfd_link_pic (info) ++ && (sec->flags & SEC_ALLOC) != 0 ++ && (r_type != R_MICROBLAZE_64_PCREL ++ || (h != NULL ++ && (! info->symbolic ++ || h->root.type == bfd_link_hash_defweak ++ || !h->def_regular)))) ++ || (!bfd_link_pic (info) ++ && (sec->flags & SEC_ALLOC) != 0 ++ && h != NULL ++ && (h->root.type == bfd_link_hash_defweak ++ || !h->def_regular))) ++ { ++ struct elf64_mb_dyn_relocs *p; ++ struct elf64_mb_dyn_relocs **head; ++ ++ /* When creating a shared object, we must copy these ++ relocs into the output file. We create a reloc ++ section in dynobj and make room for the reloc. */ ++ ++ if (sreloc == NULL) ++ { ++ bfd *dynobj; ++ ++ if (htab->elf.dynobj == NULL) ++ htab->elf.dynobj = abfd; ++ dynobj = htab->elf.dynobj; ++ ++ sreloc = _bfd_elf_make_dynamic_reloc_section (sec, dynobj, ++ 2, abfd, 1); ++ if (sreloc == NULL) ++ return false; ++ } ++ ++ /* If this is a global symbol, we count the number of ++ relocations we need for this symbol. */ ++ if (h != NULL) ++ head = &h->dyn_relocs; ++ else ++ { ++ /* Track dynamic relocs needed for local syms too. ++ We really need local syms available to do this ++ easily. Oh well. */ ++ ++ asection *s; ++ Elf_Internal_Sym *isym; ++ void *vpp; ++ ++ isym = bfd_sym_from_r_symndx (&htab->elf.sym_cache, ++ abfd, r_symndx); ++ if (isym == NULL) ++ return false; ++ ++ s = bfd_section_from_elf_index (abfd, isym->st_shndx); ++ if (s == NULL) ++ return false; ++ ++ vpp = &elf_section_data (s)->local_dynrel; ++ head = (struct elf64_mb_dyn_relocs **) vpp; ++ } ++ ++ p = *head; ++ if (p == NULL || p->sec != sec) ++ { ++ size_t amt = sizeof *p; ++ p = ((struct elf64_mb_dyn_relocs *) ++ bfd_alloc (htab->elf.dynobj, amt)); ++ if (p == NULL) ++ return false; ++ p->next = *head; ++ *head = p; ++ p->sec = sec; ++ p->count = 0; ++ p->pc_count = 0; ++ } ++ ++ p->count += 1; ++ if (r_type == R_MICROBLAZE_64_PCREL) ++ p->pc_count += 1; ++ } ++ } ++ break; ++ } ++ } ++ ++ return true; ++} ++ ++static bool ++microblaze_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) ++{ ++ struct elf64_mb_link_hash_table *htab; ++ ++ htab = elf64_mb_hash_table (info); ++ if (htab == NULL) ++ return false; ++ ++ if (!htab->sgot && !_bfd_elf_create_got_section (dynobj, info)) ++ return false; ++ ++ if (!_bfd_elf_create_dynamic_sections (dynobj, info)) ++ return false; ++ ++ htab->splt = bfd_get_linker_section (dynobj, ".plt"); ++ htab->srelplt = bfd_get_linker_section (dynobj, ".rela.plt"); ++ htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss"); ++ if (!bfd_link_pic (info)) ++ htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss"); ++ ++ if (!htab->splt || !htab->srelplt || !htab->sdynbss ++ || (!bfd_link_pic (info) && !htab->srelbss)) ++ abort (); ++ ++ return true; ++} ++ ++/* Copy the extra info we tack onto an elf_link_hash_entry. */ ++ ++static void ++microblaze_elf_copy_indirect_symbol (struct bfd_link_info *info, ++ struct elf_link_hash_entry *dir, ++ struct elf_link_hash_entry *ind) ++{ ++ struct elf64_mb_link_hash_entry *edir, *eind; ++ ++ edir = (struct elf64_mb_link_hash_entry *) dir; ++ eind = (struct elf64_mb_link_hash_entry *) ind; ++ ++ if (eind->dyn_relocs != NULL) ++ { ++ if (edir->dyn_relocs != NULL) ++ { ++ struct elf64_mb_dyn_relocs **pp; ++ struct elf64_mb_dyn_relocs *p; ++ ++ if (ind->root.type == bfd_link_hash_indirect) ++ abort (); ++ ++ /* Add reloc counts against the weak sym to the strong sym ++ list. Merge any entries against the same section. */ ++ for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) ++ { ++ struct elf64_mb_dyn_relocs *q; ++ ++ for (q = edir->dyn_relocs; q != NULL; q = q->next) ++ if (q->sec == p->sec) ++ { ++ q->pc_count += p->pc_count; ++ q->count += p->count; ++ *pp = p->next; ++ break; ++ } ++ if (q == NULL) ++ pp = &p->next; ++ } ++ *pp = edir->dyn_relocs; ++ } ++ ++ edir->dyn_relocs = eind->dyn_relocs; ++ eind->dyn_relocs = NULL; ++ } ++ ++ edir->tls_mask |= eind->tls_mask; ++ ++ _bfd_elf_link_hash_copy_indirect (info, dir, ind); ++} ++ ++static bool ++microblaze_elf_adjust_dynamic_symbol (struct bfd_link_info *info, ++ struct elf_link_hash_entry *h) ++{ ++ struct elf64_mb_link_hash_table *htab; ++ struct elf64_mb_link_hash_entry * eh; ++ struct elf64_mb_dyn_relocs *p; ++ asection *sdynbss; ++ asection *s, *srel; ++ unsigned int power_of_two; ++ bfd *dynobj; ++ ++ htab = elf64_mb_hash_table (info); ++ if (htab == NULL) ++ return false; ++ ++ /* If this is a function, put it in the procedure linkage table. We ++ will fill in the contents of the procedure linkage table later, ++ when we know the address of the .got section. */ ++ if (h->type == STT_FUNC ++ || h->needs_plt) ++ { ++ if (h->plt.refcount <= 0 ++ || SYMBOL_CALLS_LOCAL (info, h) ++ || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT ++ && h->root.type == bfd_link_hash_undefweak)) ++ { ++ /* This case can occur if we saw a PLT reloc in an input ++ file, but the symbol was never referred to by a dynamic ++ object, or if all references were garbage collected. In ++ such a case, we don't actually need to build a procedure ++ linkage table, and we can just do a PC32 reloc instead. */ ++ h->plt.offset = (bfd_vma) -1; ++ h->needs_plt = 0; ++ } ++ ++ return true; ++ } ++ else ++ /* It's possible that we incorrectly decided a .plt reloc was ++ needed for an R_MICROBLAZE_64_PCREL reloc to a non-function sym in ++ check_relocs. We can't decide accurately between function and ++ non-function syms in check-relocs; Objects loaded later in ++ the link may change h->type. So fix it now. */ ++ h->plt.offset = (bfd_vma) -1; ++ ++ /* If this is a weak symbol, and there is a real definition, the ++ processor independent code will have arranged for us to see the ++ real definition first, and we can just use the same value. */ ++ if (h->is_weakalias) ++ { ++ struct elf_link_hash_entry *def = weakdef (h); ++ BFD_ASSERT (def->root.type == bfd_link_hash_defined); ++ h->root.u.def.section = def->root.u.def.section; ++ h->root.u.def.value = def->root.u.def.value; ++ return true; ++ } ++ ++ /* This is a reference to a symbol defined by a dynamic object which ++ is not a function. */ ++ ++ /* If we are creating a shared library, we must presume that the ++ only references to the symbol are via the global offset table. ++ For such cases we need not do anything here; the relocations will ++ be handled correctly by relocate_section. */ ++ if (bfd_link_pic (info)) ++ return true; ++ ++ /* If there are no references to this symbol that do not use the ++ GOT, we don't need to generate a copy reloc. */ ++ if (!h->non_got_ref) ++ return true; ++ ++ /* If -z nocopyreloc was given, we won't generate them either. */ ++ if (info->nocopyreloc) ++ { ++ h->non_got_ref = 0; ++ return true; ++ } ++ ++ eh = (struct elf64_mb_link_hash_entry *) h; ++ for (p = eh->dyn_relocs; p != NULL; p = p->next) ++ { ++ s = p->sec->output_section; ++ if (s != NULL && (s->flags & SEC_READONLY) != 0) ++ break; ++ } ++ ++ /* If we didn't find any dynamic relocs in read-only sections, then ++ we'll be keeping the dynamic relocs and avoiding the copy reloc. */ ++ if (p == NULL) ++ { ++ h->non_got_ref = 0; ++ return true; ++ } ++ ++ /* We must allocate the symbol in our .dynbss section, which will ++ become part of the .bss section of the executable. There will be ++ an entry for this symbol in the .dynsym section. The dynamic ++ object will contain position independent code, so all references ++ from the dynamic object to this symbol will go through the global ++ offset table. The dynamic linker will use the .dynsym entry to ++ determine the address it must put in the global offset table, so ++ both the dynamic object and the regular object will refer to the ++ same memory location for the variable. */ ++ ++ /* We must generate a R_MICROBLAZE_COPY reloc to tell the dynamic linker ++ to copy the initial value out of the dynamic object and into the ++ runtime process image. */ ++ dynobj = elf_hash_table (info)->dynobj; ++ BFD_ASSERT (dynobj != NULL); ++ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) ++ { ++ htab->srelbss->size += sizeof (Elf64_External_Rela); ++ h->needs_copy = 1; ++ } ++ ++ /* We need to figure out the alignment required for this symbol. I ++ have no idea how ELF linkers handle this. */ ++ power_of_two = bfd_log2 (h->size); ++ if (power_of_two > 3) ++ power_of_two = 3; ++ ++ sdynbss = htab->sdynbss; ++ /* Apply the required alignment. */ ++ sdynbss->size = BFD_ALIGN (sdynbss->size, (bfd_size_type) (1 << power_of_two)); ++ if (power_of_two > sdynbss->alignment_power) ++ { ++ if (! bfd_set_section_alignment (sdynbss, power_of_two)) ++ return false; ++ } ++ ++ /* Define the symbol as being at this point in the section. */ ++ h->root.u.def.section = s; ++ h->root.u.def.value = s->size; ++ ++ /* Increment the section size to make room for the symbol. */ ++ s->size += h->size; ++ return true; ++} ++ ++/* Allocate space in .plt, .got and associated reloc sections for ++ dynamic relocs. */ ++ ++static bool ++allocate_dynrelocs (struct elf_link_hash_entry *h, void * dat) ++{ ++ struct bfd_link_info *info; ++ struct elf64_mb_link_hash_table *htab; ++ struct elf64_mb_link_hash_entry *eh; ++ struct elf64_mb_dyn_relocs *p; ++ ++ if (h->root.type == bfd_link_hash_indirect) ++ return true; ++ ++ info = (struct bfd_link_info *) dat; ++ htab = elf64_mb_hash_table (info); ++ if (htab == NULL) ++ return false; ++ ++ if (htab->elf.dynamic_sections_created ++ && h->plt.refcount > 0) ++ { ++ /* Make sure this symbol is output as a dynamic symbol. ++ Undefined weak syms won't yet be marked as dynamic. */ ++ if (h->dynindx == -1 ++ && !h->forced_local) ++ { ++ if (! bfd_elf_link_record_dynamic_symbol (info, h)) ++ return false; ++ } ++ ++ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) ++ { ++ asection *s = htab->elf.splt; ++ ++ /* The first entry in .plt is reserved. */ ++ if (s->size == 0) ++ s->size = PLT_ENTRY_SIZE; ++ ++ h->plt.offset = s->size; ++ ++ /* If this symbol is not defined in a regular file, and we are ++ not generating a shared library, then set the symbol to this ++ location in the .plt. This is required to make function ++ pointers compare as equal between the normal executable and ++ the shared library. */ ++ if (! bfd_link_pic (info) ++ && !h->def_regular) ++ { ++ h->root.u.def.section = s; ++ h->root.u.def.value = h->plt.offset; ++ } ++ ++ /* Make room for this entry. */ ++ s->size += PLT_ENTRY_SIZE; ++ ++ /* We also need to make an entry in the .got.plt section, which ++ will be placed in the .got section by the linker script. */ ++ htab->elf.sgotplt->size += 4; ++ ++ /* We also need to make an entry in the .rel.plt section. */ ++ htab->elf.srelplt->size += sizeof (Elf64_External_Rela); ++ } ++ else ++ { ++ h->plt.offset = (bfd_vma) -1; ++ h->needs_plt = 0; ++ } ++ } ++ else ++ { ++ h->plt.offset = (bfd_vma) -1; ++ h->needs_plt = 0; ++ } ++ ++ eh = (struct elf64_mb_link_hash_entry *) h; ++ if (h->got.refcount > 0) ++ { ++ unsigned int need; ++ asection *s; ++ ++ /* Make sure this symbol is output as a dynamic symbol. ++ Undefined weak syms won't yet be marked as dynamic. */ ++ if (h->dynindx == -1 ++ && !h->forced_local) ++ { ++ if (! bfd_elf_link_record_dynamic_symbol (info, h)) ++ return false; ++ } ++ ++ need = 0; ++ if ((eh->tls_mask & TLS_TLS) != 0) ++ { ++ /* Handle TLS Symbol */ ++ if ((eh->tls_mask & TLS_LD) != 0) ++ { ++ if (!eh->elf.def_dynamic) ++ /* We'll just use htab->tlsld_got.offset. This should ++ always be the case. It's a little odd if we have ++ a local dynamic reloc against a non-local symbol. */ ++ htab->tlsld_got.refcount += 1; ++ else ++ need += 8; ++ } ++ if ((eh->tls_mask & TLS_GD) != 0) ++ need += 8; ++ } ++ else ++ { ++ /* Regular (non-TLS) symbol */ ++ need += 4; ++ } ++ if (need == 0) ++ { ++ h->got.offset = (bfd_vma) -1; ++ } ++ else ++ { ++ s = htab->elf.sgot; ++ h->got.offset = s->size; ++ s->size += need; ++ htab->elf.srelgot->size += need * (sizeof (Elf64_External_Rela) / 4); ++ } ++ } ++ else ++ h->got.offset = (bfd_vma) -1; ++ ++ if (eh->dyn_relocs == NULL) ++ return true; ++ ++ /* In the shared -Bsymbolic case, discard space allocated for ++ dynamic pc-relative relocs against symbols which turn out to be ++ defined in regular objects. For the normal shared case, discard ++ space for pc-relative relocs that have become local due to symbol ++ visibility changes. */ ++ ++ if (bfd_link_pic (info)) ++ { ++ if (h->def_regular ++ && (h->forced_local ++ || info->symbolic)) ++ { ++ struct elf64_mb_dyn_relocs **pp; ++ ++ for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) ++ { ++ p->count -= p->pc_count; ++ p->pc_count = 0; ++ if (p->count == 0) ++ *pp = p->next; ++ else ++ pp = &p->next; ++ } ++ } ++ else if (UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)) ++ h->dyn_relocs = NULL; ++ } ++ else ++ { ++ /* For the non-shared case, discard space for relocs against ++ symbols which turn out to need copy relocs or are not ++ dynamic. */ ++ ++ if (!h->non_got_ref ++ && ((h->def_dynamic ++ && !h->def_regular) ++ || (htab->elf.dynamic_sections_created ++ && (h->root.type == bfd_link_hash_undefweak ++ || h->root.type == bfd_link_hash_undefined)))) ++ { ++ /* Make sure this symbol is output as a dynamic symbol. ++ Undefined weak syms won't yet be marked as dynamic. */ ++ if (h->dynindx == -1 ++ && !h->forced_local) ++ { ++ if (! bfd_elf_link_record_dynamic_symbol (info, h)) ++ return false; ++ } ++ ++ /* If that succeeded, we know we'll be keeping all the ++ relocs. */ ++ if (h->dynindx != -1) ++ goto keep; ++ } ++ ++ h->dyn_relocs = NULL; ++ ++ keep: ; ++ } ++ ++ /* Finally, allocate space. */ ++ for (p = h->dyn_relocs; p != NULL; p = p->next) ++ { ++ asection *sreloc = elf_section_data (p->sec)->sreloc; ++ sreloc->size += p->count * sizeof (Elf64_External_Rela); ++ } ++ ++ return true; ++} ++ ++/* Set the sizes of the dynamic sections. */ ++ ++static bool ++microblaze_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, ++ struct bfd_link_info *info) ++{ ++ struct elf64_mb_link_hash_table *htab; ++ bfd *dynobj; ++ asection *s; ++ bfd *ibfd; ++ ++ htab = elf64_mb_hash_table (info); ++ if (htab == NULL) ++ return false; ++ ++ dynobj = htab->elf.dynobj; ++ BFD_ASSERT (dynobj != NULL); ++ ++ /* Set up .got offsets for local syms, and space for local dynamic ++ relocs. */ ++ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) ++ { ++ bfd_signed_vma *local_got; ++ bfd_signed_vma *end_local_got; ++ bfd_size_type locsymcount; ++ Elf_Internal_Shdr *symtab_hdr; ++ unsigned char *lgot_masks; ++ asection *srel; ++ ++ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) ++ continue; ++ ++ for (s = ibfd->sections; s != NULL; s = s->next) ++ { ++ struct elf_dyn_relocs *p; ++ ++ for (p = ((struct elf64_mb_dyn_relocs *) ++ elf_section_data (s)->local_dynrel); ++ p != NULL; ++ p = p->next) ++ { ++ if (!bfd_is_abs_section (p->sec) ++ && bfd_is_abs_section (p->sec->output_section)) ++ { ++ /* Input section has been discarded, either because ++ it is a copy of a linkonce section or due to ++ linker script /DISCARD/, so we'll be discarding ++ the relocs too. */ ++ } ++ else if (p->count != 0) ++ { ++ srel = elf_section_data (p->sec)->sreloc; ++ srel->size += p->count * sizeof (Elf64_External_Rela); ++ if ((p->sec->output_section->flags & SEC_READONLY) != 0) ++ info->flags |= DF_TEXTREL; ++ } ++ } ++ } ++ ++ local_got = elf_local_got_refcounts (ibfd); ++ if (!local_got) ++ continue; ++ ++ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; ++ locsymcount = symtab_hdr->sh_info; ++ end_local_got = local_got + locsymcount; ++ lgot_masks = (unsigned char *) end_local_got; ++ s = htab->elf.sgot; ++ srel = htab->elf.srelgot; ++ ++ for (; local_got < end_local_got; ++local_got, ++lgot_masks) ++ { ++ if (*local_got > 0) ++ { ++ unsigned int need = 0; ++ if ((*lgot_masks & TLS_TLS) != 0) ++ { ++ if ((*lgot_masks & TLS_GD) != 0) ++ need += 8; ++ if ((*lgot_masks & TLS_LD) != 0) ++ htab->tlsld_got.refcount += 1; ++ } ++ else ++ need += 4; ++ ++ if (need == 0) ++ { ++ *local_got = (bfd_vma) -1; ++ } ++ else ++ { ++ *local_got = s->size; ++ s->size += need; ++ if (bfd_link_pic (info)) ++ srel->size += need * (sizeof (Elf64_External_Rela) / 4); ++ } ++ } ++ else ++ *local_got = (bfd_vma) -1; ++ } ++ } ++ ++ /* Allocate global sym .plt and .got entries, and space for global ++ sym dynamic relocs. */ ++ elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info); ++ ++ if (htab->tlsld_got.refcount > 0) ++ { ++ htab->tlsld_got.offset = htab->elf.sgot->size; ++ htab->elf.sgot->size += 8; ++ if (bfd_link_pic (info)) ++ htab->elf.srelgot->size += sizeof (Elf64_External_Rela); ++ } ++ else ++ htab->tlsld_got.offset = (bfd_vma) -1; ++ ++ if (elf_hash_table (info)->dynamic_sections_created) ++ { ++ /* Make space for the trailing nop in .plt. */ ++ if (htab->elf.splt->size > 0) ++ htab->elf.splt->size += 4; ++ } ++ ++ /* The check_relocs and adjust_dynamic_symbol entry points have ++ determined the sizes of the various dynamic sections. Allocate ++ memory for them. */ ++ for (s = dynobj->sections; s != NULL; s = s->next) ++ { ++ const char *name; ++ bool strip = false; ++ ++ if ((s->flags & SEC_LINKER_CREATED) == 0) ++ continue; ++ ++ /* It's OK to base decisions on the section name, because none ++ of the dynobj section names depend upon the input files. */ ++ name = bfd_section_name (s); ++ ++ if (startswith (name, ".rela")) ++ { ++ if (s->size == 0) ++ { ++ /* If we don't need this section, strip it from the ++ output file. This is to handle .rela.bss and ++ .rela.plt. We must create it in ++ create_dynamic_sections, because it must be created ++ before the linker maps input sections to output ++ sections. The linker does that before ++ adjust_dynamic_symbol is called, and it is that ++ function which decides whether anything needs to go ++ into these sections. */ ++ strip = true; ++ } ++ else ++ { ++ /* We use the reloc_count field as a counter if we need ++ to copy relocs into the output file. */ ++ s->reloc_count = 0; ++ } ++ } ++ else if (s != htab->elf.splt ++ && s != htab->elf.sgot ++ && s != htab->elf.sgotplt ++ && s != htab->elf.sdynbss ++ && s != htab->elf.sdynrelro) ++ { ++ /* It's not one of our sections, so don't allocate space. */ ++ continue; ++ } ++ ++ if (strip) ++ { ++ s->flags |= SEC_EXCLUDE; ++ continue; ++ } ++ ++ /* Allocate memory for the section contents. */ ++ /* FIXME: This should be a call to bfd_alloc not bfd_zalloc. ++ Unused entries should be reclaimed before the section's contents ++ are written out, but at the moment this does not happen. Thus in ++ order to prevent writing out garbage, we initialise the section's ++ contents to zero. */ ++ s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); ++ if (s->contents == NULL && s->size != 0) ++ return false; ++ } ++ ++ /* ??? Force DF_BIND_NOW? */ ++ info->flags |= DF_BIND_NOW; ++ return _bfd_elf_add_dynamic_tags (output_bfd, info, true); ++} ++ ++/* Finish up dynamic symbol handling. We set the contents of various ++ dynamic sections here. */ ++ ++static bool ++microblaze_elf_finish_dynamic_symbol (bfd *output_bfd, ++ struct bfd_link_info *info, ++ struct elf_link_hash_entry *h, ++ Elf_Internal_Sym *sym) ++{ ++ struct elf64_mb_link_hash_table *htab; ++ struct elf64_mb_link_hash_entry *eh = elf64_mb_hash_entry(h); ++ ++ htab = elf64_mb_hash_table (info); ++ if (htab == NULL) ++ return false; ++ ++ if (h->plt.offset != (bfd_vma) -1) ++ { ++ asection *splt; ++ asection *srela; ++ asection *sgotplt; ++ Elf_Internal_Rela rela; ++ bfd_byte *loc; ++ bfd_vma plt_index; ++ bfd_vma got_offset; ++ bfd_vma got_addr; ++ ++ /* This symbol has an entry in the procedure linkage table. Set ++ it up. */ ++ BFD_ASSERT (h->dynindx != -1); ++ ++ splt = htab->elf.splt; ++ srela = htab->elf.srelplt; ++ sgotplt = htab->elf.sgotplt; ++ BFD_ASSERT (splt != NULL && srela != NULL && sgotplt != NULL); ++ ++ plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; /* first entry reserved. */ ++ got_offset = (plt_index + 3) * 4; /* 3 reserved ??? */ ++ got_addr = got_offset; ++ ++ /* For non-PIC objects we need absolute address of the GOT entry. */ ++ if (!bfd_link_pic (info)) ++ got_addr += sgotplt->output_section->vma + sgotplt->output_offset; ++ ++ /* Fill in the entry in the procedure linkage table. */ ++ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_0 + ((got_addr >> 16) & 0xffff), ++ splt->contents + h->plt.offset); ++ if (bfd_link_pic (info)) ++ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1 + (got_addr & 0xffff), ++ splt->contents + h->plt.offset + 4); ++ else ++ bfd_put_32 (output_bfd, PLT_ENTRY_WORD_1_NOPIC + (got_addr & 0xffff), ++ splt->contents + h->plt.offset + 4); ++ bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD_2, ++ splt->contents + h->plt.offset + 8); ++ bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD_3, ++ splt->contents + h->plt.offset + 12); ++ ++ /* Any additions to the .got section??? */ ++ /* bfd_put_32 (output_bfd, ++ splt->output_section->vma + splt->output_offset + h->plt.offset + 4, ++ sgotplt->contents + got_offset); */ ++ ++ /* Fill in the entry in the .rela.plt section. */ ++ rela.r_offset = (sgotplt->output_section->vma ++ + sgotplt->output_offset ++ + got_offset); ++ rela.r_info = ELF64_R_INFO (h->dynindx, R_MICROBLAZE_JUMP_SLOT); ++ rela.r_addend = 0; ++ loc = srela->contents; ++ loc += plt_index * sizeof (Elf64_External_Rela); ++ bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); ++ ++ if (!h->def_regular) ++ { ++ /* Mark the symbol as undefined, rather than as defined in ++ the .plt section. Zero the value. */ ++ sym->st_shndx = SHN_UNDEF; ++ sym->st_value = 0; ++ } ++ } ++ ++ /* h->got.refcount to be checked ? */ ++ if (h->got.offset != (bfd_vma) -1 && ++ ! ((h->got.offset & 1) || ++ IS_TLS_LD(eh->tls_mask) || IS_TLS_GD(eh->tls_mask))) ++ { ++ asection *sgot; ++ asection *srela; ++ bfd_vma offset; ++ ++ /* This symbol has an entry in the global offset table. Set it ++ up. */ ++ ++ sgot = htab->elf.sgot; ++ srela = htab->elf.srelgot; ++ BFD_ASSERT (sgot != NULL && srela != NULL); ++ ++ offset = (sgot->output_section->vma + sgot->output_offset ++ + (h->got.offset &~ (bfd_vma) 1)); ++ ++ /* If this is a -Bsymbolic link, and the symbol is defined ++ locally, we just want to emit a RELATIVE reloc. Likewise if ++ the symbol was forced to be local because of a version file. ++ The entry in the global offset table will already have been ++ initialized in the relocate_section function. */ ++ if (bfd_link_pic (info) ++ && ((info->symbolic && h->def_regular) ++ || h->dynindx == -1)) ++ { ++ asection *sec = h->root.u.def.section; ++ bfd_vma value; ++ ++ value = h->root.u.def.value; ++ if (sec->output_section != NULL) ++ /* PR 21180: If the output section is NULL, then the symbol is no ++ longer needed, and in theory the GOT entry is redundant. But ++ it is too late to change our minds now... */ ++ value += sec->output_section->vma + sec->output_offset; ++ ++ microblaze_elf_output_dynamic_relocation (output_bfd, ++ srela, srela->reloc_count++, ++ /* symindex= */ 0, ++ R_MICROBLAZE_REL, offset, ++ value); ++ } ++ else ++ { ++ microblaze_elf_output_dynamic_relocation (output_bfd, ++ srela, srela->reloc_count++, ++ h->dynindx, ++ R_MICROBLAZE_GLOB_DAT, ++ offset, 0); ++ } ++ ++ bfd_put_32 (output_bfd, (bfd_vma) 0, ++ sgot->contents + (h->got.offset &~ (bfd_vma) 1)); ++ } ++ ++ if (h->needs_copy) ++ { ++ asection *s; ++ Elf_Internal_Rela rela; ++ bfd_byte *loc; ++ ++ /* This symbols needs a copy reloc. Set it up. */ ++ ++ BFD_ASSERT (h->dynindx != -1); ++ ++ rela.r_offset = (h->root.u.def.value ++ + h->root.u.def.section->output_section->vma ++ + h->root.u.def.section->output_offset); ++ rela.r_info = ELF64_R_INFO (h->dynindx, R_MICROBLAZE_COPY); ++ rela.r_addend = 0; ++ if (h->root.u.def.section == htab->elf.sdynrelro) ++ s = htab->elf.sreldynrelro; ++ else ++ s = htab->elf.srelbss; ++ loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela); ++ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); ++ } ++ ++ /* Mark some specially defined symbols as absolute. */ ++ if (h == htab->elf.hdynamic ++ || h == htab->elf.hgot ++ || h == htab->elf.hplt) ++ sym->st_shndx = SHN_ABS; ++ ++ return true; ++} ++ ++ ++/* Finish up the dynamic sections. */ ++ ++static bool ++microblaze_elf_finish_dynamic_sections (bfd *output_bfd, ++ struct bfd_link_info *info) ++{ ++ bfd *dynobj; ++ asection *sdyn, *sgot; ++ struct elf64_mb_link_hash_table *htab; ++ ++ htab = elf64_mb_hash_table (info); ++ if (htab == NULL) ++ return false; ++ ++ dynobj = htab->elf.dynobj; ++ ++ sdyn = bfd_get_linker_section (dynobj, ".dynamic"); ++ ++ if (htab->elf.dynamic_sections_created) ++ { ++ asection *splt; ++ Elf64_External_Dyn *dyncon, *dynconend; ++ ++ dyncon = (Elf64_External_Dyn *) sdyn->contents; ++ dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); ++ for (; dyncon < dynconend; dyncon++) ++ { ++ Elf_Internal_Dyn dyn; ++ asection *s; ++ bool size; ++ ++ bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); ++ ++ switch (dyn.d_tag) ++ { ++ case DT_PLTGOT: ++ s = htab->elf.sgotplt; ++ size = false; ++ break; ++ ++ case DT_PLTRELSZ: ++ s = htab->elf.srelplt; ++ size = true; ++ break; ++ ++ case DT_JMPREL: ++ s = htab->elf.srelplt; ++ size = false; ++ break; ++ ++ default: ++ continue; ++ } ++ ++ if (s == NULL) ++ dyn.d_un.d_val = 0; ++ else ++ { ++ if (!size) ++ dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; ++ else ++ dyn.d_un.d_val = s->size; ++ } ++ bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); ++ } ++ ++ splt = htab->elf.splt; ++ BFD_ASSERT (splt != NULL && sdyn != NULL); ++ ++ /* Clear the first entry in the procedure linkage table, ++ and put a nop in the last four bytes. */ ++ if (splt->size > 0) ++ { ++ memset (splt->contents, 0, PLT_ENTRY_SIZE); ++ bfd_put_32 (output_bfd, (bfd_vma) 0x80000000 /* nop. */, ++ splt->contents + splt->size - 4); ++ ++ if (splt->output_section != bfd_abs_section_ptr) ++ elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; ++ } ++ } ++ ++ /* Set the first entry in the global offset table to the address of ++ the dynamic section. */ ++ sgot = htab->elf.sgotplt; ++ if (sgot && sgot->size > 0) ++ { ++ if (sdyn == NULL) ++ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); ++ else ++ bfd_put_32 (output_bfd, ++ sdyn->output_section->vma + sdyn->output_offset, ++ sgot->contents); ++ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; ++ } ++ ++ if (htab->elf.sgot && htab->elf.sgot->size > 0) ++ elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize = 4; ++ ++ return true; ++} ++ ++/* Hook called by the linker routine which adds symbols from an object ++ file. We use it to put .comm items in .sbss, and not .bss. */ ++ ++static bool ++microblaze_elf_add_symbol_hook (bfd *abfd, ++ struct bfd_link_info *info, ++ Elf_Internal_Sym *sym, ++ const char **namep ATTRIBUTE_UNUSED, ++ flagword *flagsp ATTRIBUTE_UNUSED, ++ asection **secp, ++ bfd_vma *valp) ++{ ++ if (sym->st_shndx == SHN_COMMON ++ && !bfd_link_relocatable (info) ++ && sym->st_size <= elf_gp_size (abfd)) ++ { ++ /* Common symbols less than or equal to -G nn bytes are automatically ++ put into .sbss. */ ++ *secp = bfd_make_section_old_way (abfd, ".sbss"); ++ if (*secp == NULL ++ || !bfd_set_section_flags (*secp, SEC_IS_COMMON | SEC_SMALL_DATA)) ++ return false; ++ ++ *valp = sym->st_size; ++ } ++ ++ return true; ++} ++ ++#define TARGET_LITTLE_SYM microblaze_elf64_le_vec ++#define TARGET_LITTLE_NAME "elf64-microblazeel" ++ ++#define TARGET_BIG_SYM microblaze_elf64_vec ++#define TARGET_BIG_NAME "elf64-microblaze" ++ ++#define ELF_ARCH bfd_arch_microblaze ++#define ELF_TARGET_ID MICROBLAZE_ELF_DATA ++#define ELF_MACHINE_CODE EM_MICROBLAZE ++#define ELF_MACHINE_ALT1 EM_MICROBLAZE_OLD ++#define ELF_MAXPAGESIZE 0x1000 ++#define elf_info_to_howto microblaze_elf_info_to_howto ++#define elf_info_to_howto_rel NULL ++ ++#define bfd_elf64_bfd_reloc_type_lookup microblaze_elf_reloc_type_lookup ++#define bfd_elf64_bfd_is_local_label_name microblaze_elf_is_local_label_name ++#define bfd_elf64_new_section_hook microblaze_elf_new_section_hook ++#define elf_backend_relocate_section microblaze_elf_relocate_section ++#define bfd_elf64_bfd_relax_section microblaze_elf_relax_section ++#define bfd_elf64_bfd_merge_private_bfd_data microblaze_elf_merge_private_bfd_data ++#define bfd_elf64_bfd_reloc_name_lookup microblaze_elf_reloc_name_lookup ++ ++#define elf_backend_gc_mark_hook microblaze_elf_gc_mark_hook ++#define elf_backend_gc_sweep_hook microblaze_elf_gc_sweep_hook ++#define elf_backend_check_relocs microblaze_elf_check_relocs ++#define elf_backend_copy_indirect_symbol microblaze_elf_copy_indirect_symbol ++#define bfd_elf64_bfd_link_hash_table_create microblaze_elf_link_hash_table_create ++#define elf_backend_can_gc_sections 1 ++#define elf_backend_can_refcount 1 ++#define elf_backend_want_got_plt 1 ++#define elf_backend_plt_readonly 1 ++#define elf_backend_got_header_size 12 ++#define elf_backend_want_dynrelro 1 ++#define elf_backend_rela_normal 1 ++#define elf_backend_dtrel_excludes_plt 1 ++ ++#define elf_backend_adjust_dynamic_symbol microblaze_elf_adjust_dynamic_symbol ++#define elf_backend_create_dynamic_sections microblaze_elf_create_dynamic_sections ++#define elf_backend_finish_dynamic_sections microblaze_elf_finish_dynamic_sections ++#define elf_backend_finish_dynamic_symbol microblaze_elf_finish_dynamic_symbol ++#define elf_backend_size_dynamic_sections microblaze_elf_size_dynamic_sections ++#define elf_backend_add_symbol_hook microblaze_elf_add_symbol_hook ++ ++#include "elf64-target.h" +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 9450882e850..f265e8fc608 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -65,8 +65,95 @@ + #define IS_SAVE_HIDDEN_PTR(op, rd, ra, rb) \ + ((op == add || op == addik) && ra == MICROBLAZE_FIRST_ARGREG && rb == 0) + ++static const char *microblaze_abi_string; ++ ++static const char *const microblaze_abi_strings[] = { ++ "auto", ++ "m64", ++}; ++ ++enum microblaze_abi ++microblaze_abi (struct gdbarch *gdbarch) ++{ ++ microblaze_gdbarch_tdep *tdep = (microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); ++ return tdep->microblaze_abi; ++} + /* The registers of the Xilinx microblaze processor. */ + ++ static struct cmd_list_element *setmicroblazecmdlist = NULL; ++ static struct cmd_list_element *showmicroblazecmdlist = NULL; ++ ++static void ++microblaze_abi_update (const char *ignore_args, ++ int from_tty, struct cmd_list_element *c) ++{ ++ struct gdbarch_info info; ++ ++ /* Force the architecture to update, and (if it's a microblaze architecture) ++ * microblaze_gdbarch_init will take care of the rest. */ ++// gdbarch_info_init (&info); ++ gdbarch_update_p (info); ++} ++ ++ ++static enum microblaze_abi ++global_microblaze_abi (void) ++{ ++ int i; ++ ++ for (i = 0; microblaze_abi_strings[i] != NULL; i++) ++ if (microblaze_abi_strings[i] == microblaze_abi_string) ++ return (enum microblaze_abi) i; ++ ++// internal_error (__FILE__, __LINE__, _("unknown ABI string")); ++} ++ ++static void ++show_microblaze_abi (struct ui_file *file, ++ int from_tty, ++ struct cmd_list_element *ignored_cmd, ++ const char *ignored_value) ++{ ++ enum microblaze_abi global_abi = global_microblaze_abi (); ++ enum microblaze_abi actual_abi = microblaze_abi (target_gdbarch ()); ++ const char *actual_abi_str = microblaze_abi_strings[actual_abi]; ++ ++#if 1 ++ if (global_abi == MICROBLAZE_ABI_AUTO) ++ fprintf_filtered ++ (file, ++ "The microblaze ABI is set automatically (currently \"%s\").\n", ++ actual_abi_str); ++ else if (global_abi == actual_abi) ++ fprintf_filtered ++ (file, ++ "The microblaze ABI is assumed to be \"%s\" (due to user setting).\n", ++ actual_abi_str); ++ else ++ { ++#endif ++ /* Probably shouldn't happen... */ ++ fprintf_filtered (file, ++ "The (auto detected) microblaze ABI \"%s\" is in use " ++ "even though the user setting was \"%s\".\n", ++ actual_abi_str, microblaze_abi_strings[global_abi]); ++ } ++} ++ ++static void ++show_microblaze_command (const char *args, int from_tty) ++{ ++ help_list (showmicroblazecmdlist, "show microblaze ", all_commands, gdb_stdout); ++} ++ ++static void ++set_microblaze_command (const char *args, int from_tty) ++{ ++ printf_unfiltered ++ ("\"set microblaze\" must be followed by an appropriate subcommand.\n"); ++ help_list (setmicroblazecmdlist, "set microblaze ", all_commands, gdb_stdout); ++} ++ + static const char * const microblaze_register_names[] = + { + "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", +@@ -85,9 +172,21 @@ static const char * const microblaze_register_names[] = + static unsigned int microblaze_debug_flag = 0; + int reg_size = 4; + ++unsigned int ++microblaze_abi_regsize (struct gdbarch *gdbarch) ++{ ++ switch (microblaze_abi (gdbarch)) ++ { ++ case MICROBLAZE_ABI_M64: ++ return 8; ++ default: ++ return 4; ++ } ++} ++ + #define microblaze_debug(fmt, ...) \ + debug_prefixed_printf_cond_nofunc (microblaze_debug_flag, "MICROBLAZE", \ +- fmt, ## __VA_ARGS__) ++ fmt, ## __VA_ARGS__) + + + /* Return the name of register REGNUM. */ +@@ -867,15 +966,30 @@ static struct gdbarch * + microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + { + tdesc_arch_data_up tdesc_data; ++ enum microblaze_abi microblaze_abi, found_abi, wanted_abi; + const struct target_desc *tdesc = info.target_desc; + ++ /* What has the user specified from the command line? */ ++ wanted_abi = global_microblaze_abi (); ++ if (gdbarch_debug) ++ fprintf_unfiltered (gdb_stdlog, "microblaze_gdbarch_init: wanted_abi = %d\n", ++ wanted_abi); ++ if (wanted_abi != MICROBLAZE_ABI_AUTO) ++ microblaze_abi = wanted_abi; ++ + /* If there is already a candidate, use it. */ + arches = gdbarch_list_lookup_by_info (arches, &info); +- if (arches != NULL) ++ if ((arches != NULL) && (microblaze_abi != MICROBLAZE_ABI_M64)) + return arches->gdbarch; ++ ++ if (microblaze_abi == MICROBLAZE_ABI_M64) ++ { ++ tdesc = tdesc_microblaze64; ++ reg_size = 8; ++ } + if (tdesc == NULL) + { +- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) + { + tdesc = tdesc_microblaze64; + reg_size = 8; +@@ -890,7 +1004,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + int valid_p; + int i; + +- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) + feature = tdesc_find_feature (tdesc, + "org.gnu.gdb.microblaze64.core"); + else +@@ -904,7 +1018,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + for (i = 0; i < MICROBLAZE_NUM_REGS; i++) + valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), i, + microblaze_register_names[i]); +- if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) + feature = tdesc_find_feature (tdesc, + "org.gnu.gdb.microblaze64.stack-protect"); + else +@@ -954,7 +1068,8 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + set_gdbarch_ptr_bit (gdbarch, 64); + break; + } +- ++ if(microblaze_abi == MICROBLAZE_ABI_M64) ++ set_gdbarch_ptr_bit (gdbarch, 64); + + /* Map Dwarf2 registers to GDB registers. */ + set_gdbarch_dwarf2_reg_to_regnum (gdbarch, microblaze_dwarf2_reg_to_regnum); +@@ -1014,6 +1129,38 @@ _initialize_microblaze_tdep () + { + gdbarch_register (bfd_arch_microblaze, microblaze_gdbarch_init); + ++// static struct cmd_list_element *setmicroblazecmdlist = NULL; ++// static struct cmd_list_element *showmicroblazecmdlist = NULL; ++ ++ /* Add root prefix command for all "set microblaze"/"show microblaze" commands. */ ++ ++ add_setshow_prefix_cmd ("microblaze", no_class, ++ _("Various microblaze specific commands."), ++ _("Various microblaze specific commands."), ++ &setmicroblazecmdlist,&showmicroblazecmdlist, ++ &setlist,&showlist); ++#if 0 ++ add_prefix_cmd ("microblaze", no_class, set_microblaze_command, ++ _("Various microblaze specific commands."), ++ &setmicroblazecmdlist, "set microblaze ", 0, &setlist); ++ ++ add_prefix_cmd ("microblaze", no_class, show_microblaze_command, ++ _("Various microblaze specific commands."), ++ &showmicroblazecmdlist, "show microblaze ", 0, &showlist); ++#endif ++ ++ /* Allow the user to override the ABI. */ ++ add_setshow_enum_cmd ("abi", class_obscure, microblaze_abi_strings, ++ µblaze_abi_string, _("\ ++Set the microblaze ABI used by this program."), _("\ ++Show the microblaze ABI used by this program."), _("\ ++This option can be set to one of:\n\ ++ auto - the default ABI associated with the current binary\n\ ++ m64"), ++ microblaze_abi_update, ++ show_microblaze_abi, ++ &setmicroblazecmdlist, &showmicroblazecmdlist); ++ + initialize_tdesc_microblaze_with_stack_protect (); + initialize_tdesc_microblaze (); + initialize_tdesc_microblaze64_with_stack_protect (); +@@ -1028,5 +1175,4 @@ When non-zero, microblaze specific debugging is enabled."), + NULL, + &setdebuglist, &showdebuglist); + +- + } +diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h +index 542cdd82070..17a4bb5190c 100644 +--- a/gdb/microblaze-tdep.h ++++ b/gdb/microblaze-tdep.h +@@ -19,9 +19,17 @@ + + #ifndef MICROBLAZE_TDEP_H + #define MICROBLAZE_TDEP_H 1 +- ++#include "objfiles.h" + #include "gdbarch.h" + ++struct gdbarch; ++enum microblaze_abi ++ { ++ MICROBLAZE_ABI_AUTO = 0, ++ MICROBLAZE_ABI_M64, ++ }; ++ ++enum microblaze_abi microblaze_abi (struct gdbarch *gdbarch); + /* Microblaze architecture-specific information. */ + struct microblaze_gregset + { +@@ -35,11 +43,14 @@ struct microblaze_gdbarch_tdep : gdbarch_tdep_base + { + int dummy; // declare something. + ++ enum microblaze_abi microblaze_abi {}; ++ enum microblaze_abi found_abi {}; + /* Register sets. */ + struct regset *gregset; + size_t sizeof_gregset; + struct regset *fpregset; + size_t sizeof_fpregset; ++ int register_size; + }; + + /* Register numbers. */ +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0008-Patch-MicroBlaze.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0008-Patch-MicroBlaze.patch deleted file mode 100644 index 941a3b9c..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0008-Patch-MicroBlaze.patch +++ /dev/null @@ -1,65 +0,0 @@ -From 0532b1db08b9d8efc670f7288fe2d8168b8ed0d1 Mon Sep 17 00:00:00 2001 -From: Mahesh Bodapati -Date: Thu, 21 Jul 2022 11:45:01 +0530 -Subject: [PATCH 8/8] =?UTF-8?q?[Patch,MicroBlaze]:=20Depth:=20=20Total=20n?= - =?UTF-8?q?umber=20of=20inline=20functions=20[refer=20inline-frame.c]=20st?= - =?UTF-8?q?ate->skipped=5Fframes=20:=20Number=20of=20inline=20functions=20?= - =?UTF-8?q?skipped.=20the=20current=20unwind=5Fpc=20is=20causing=20an=20is?= - =?UTF-8?q?sue=20when=20we=20try=20to=20step=20into=20inline=20functions[D?= - =?UTF-8?q?epth=20is=20becoming=200].=20It=E2=80=99s=20incrementing=20pc?= - =?UTF-8?q?=20by=208=20even=20with=20si=20instruction.?= -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Upstream-Status: Pending - -Signed-off-by: Mark Hatle - ---- - gdb/microblaze-tdep.c | 14 +++----------- - 1 file changed, 3 insertions(+), 11 deletions(-) - -diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c -index d83072cdaef..38ba38e8c7d 100644 ---- a/gdb/microblaze-tdep.c -+++ b/gdb/microblaze-tdep.c -@@ -513,16 +513,8 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, - static CORE_ADDR - microblaze_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) - { -- gdb_byte buf[4]; - CORE_ADDR pc; -- -- frame_unwind_register (next_frame, MICROBLAZE_PC_REGNUM, buf); -- pc = extract_typed_address (buf, builtin_type (gdbarch)->builtin_func_ptr); -- /* For sentinel frame, return address is actual PC. For other frames, -- return address is pc+8. This is a workaround because gcc does not -- generate correct return address in CIE. */ -- if (frame_relative_level (next_frame) >= 0) -- pc += 8; -+ pc=frame_unwind_register_unsigned (next_frame, MICROBLAZE_PC_REGNUM); - return pc; - } - -@@ -553,7 +545,6 @@ microblaze_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc) - ostart_pc = microblaze_analyze_prologue (gdbarch, func_start, 0xffffffffUL, - &cache); - -- - if (ostart_pc > start_pc) - return ostart_pc; - return start_pc; -@@ -660,7 +651,8 @@ static const struct frame_unwind microblaze_frame_unwind = - microblaze_frame_this_id, - microblaze_frame_prev_register, - NULL, -- default_frame_sniffer -+ default_frame_sniffer, -+ NULL, - }; - - static CORE_ADDR --- -2.37.1 (Apple Git-137.1) - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0009-Depth-Total-number-of-inline-functions-refer-inline-.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0009-Depth-Total-number-of-inline-functions-refer-inline-.patch new file mode 100644 index 00000000..6769e1ee --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0009-Depth-Total-number-of-inline-functions-refer-inline-.patch @@ -0,0 +1,74 @@ +From c37f307714121981fa91766c539913f7912643b7 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Thu, 21 Jul 2022 11:45:01 +0530 +Subject: [PATCH 09/54] =?UTF-8?q?Depth:=20Total=20number=20of=20inline=20f?= + =?UTF-8?q?unctions=20[refer=20inline-frame.c]=20state->skipped=5Fframes?= + =?UTF-8?q?=20:=20Number=20of=20inline=20functions=20skipped.=20the=20curr?= + =?UTF-8?q?ent=20unwind=5Fpc=20is=20causing=20an=20issue=20when=20we=20try?= + =?UTF-8?q?=20to=20step=20into=20inline=20functions[Depth=20is=20becoming?= + =?UTF-8?q?=200].=20It=E2=80=99s=20incrementing=20pc=20by=208=20even=20wit?= + =?UTF-8?q?h=20si=20instruction.?= +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Aayush Misra +--- + gdb/features/microblaze64.xml | 1 + + gdb/microblaze-tdep.c | 14 +++----------- + 2 files changed, 4 insertions(+), 11 deletions(-) + +diff --git a/gdb/features/microblaze64.xml b/gdb/features/microblaze64.xml +index 515d18e65cf..9c1b7d22003 100644 +--- a/gdb/features/microblaze64.xml ++++ b/gdb/features/microblaze64.xml +@@ -7,5 +7,6 @@ + + + ++ microblaze64 + + +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index f265e8fc608..3e541789fac 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -513,16 +513,8 @@ microblaze_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc, + static CORE_ADDR + microblaze_unwind_pc (struct gdbarch *gdbarch, frame_info_ptr next_frame) + { +- gdb_byte buf[4]; + CORE_ADDR pc; +- +- frame_unwind_register (next_frame, MICROBLAZE_PC_REGNUM, buf); +- pc = extract_typed_address (buf, builtin_type (gdbarch)->builtin_func_ptr); +- /* For sentinel frame, return address is actual PC. For other frames, +- return address is pc+8. This is a workaround because gcc does not +- generate correct return address in CIE. */ +- if (frame_relative_level (next_frame) >= 0) +- pc += 8; ++ pc=frame_unwind_register_unsigned (next_frame, MICROBLAZE_PC_REGNUM); + return pc; + } + +@@ -553,7 +545,6 @@ microblaze_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc) + ostart_pc = microblaze_analyze_prologue (gdbarch, func_start, 0xffffffffUL, + &cache); + +- + if (ostart_pc > start_pc) + return ostart_pc; + return start_pc; +@@ -660,7 +651,8 @@ static const struct frame_unwind microblaze_frame_unwind = + microblaze_frame_this_id, + microblaze_frame_prev_register, + NULL, +- default_frame_sniffer ++ default_frame_sniffer, ++ NULL, + }; + + static CORE_ADDR +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0009-gdb-gdserver-Fix-ABI-settings-for-gdbserver.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0009-gdb-gdserver-Fix-ABI-settings-for-gdbserver.patch deleted file mode 100644 index 6a930420..00000000 --- a/meta-microblaze/recipes-devtools/gdb/gdb/0009-gdb-gdserver-Fix-ABI-settings-for-gdbserver.patch +++ /dev/null @@ -1,35 +0,0 @@ -From 53b76bb548720367032a51a6d604c975b10bb30e Mon Sep 17 00:00:00 2001 -From: Aayush Misra -Date: Fri, 29 Mar 2024 14:59:16 +0530 -Subject: [PATCH] gdb/gdserver: Fix ABI settings for gdbserver - -Upstream-Status: Pending - ---- - gdb/microblaze-tdep.c | 7 ++++--- - 1 file changed, 4 insertions(+), 3 deletions(-) - -diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c -index 38ba38e8c7d..35cec286d8f 100644 ---- a/gdb/microblaze-tdep.c -+++ b/gdb/microblaze-tdep.c -@@ -1120,12 +1120,13 @@ void _initialize_microblaze_tdep (); - void - _initialize_microblaze_tdep () - { -+ //Setting abi to auto manually, should be able to modify in 'arch'_gdbarch_init function -+ microblaze_abi_string = microblaze_abi_strings[0]; -+ - register_gdbarch_init (bfd_arch_microblaze, microblaze_gdbarch_init); --// static struct cmd_list_element *setmicroblazecmdlist = NULL; --// static struct cmd_list_element *showmicroblazecmdlist = NULL; - -- /* Add root prefix command for all "set microblaze"/"show microblaze" commands. */ - -+ /* Add root prefix command for all "set microblaze"/"show microblaze" commands. */ - add_setshow_prefix_cmd ("microblaze", no_class, - _("Various microblaze specific commands."), - _("Various microblaze specific commands."), --- -2.34.1 - diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0010-Fix-gdb-14-build-errors-for-microblaze-xilinx-elf-20.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0010-Fix-gdb-14-build-errors-for-microblaze-xilinx-elf-20.patch new file mode 100644 index 00000000..e5c88f01 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0010-Fix-gdb-14-build-errors-for-microblaze-xilinx-elf-20.patch @@ -0,0 +1,133 @@ +From 6b6632b730808a012738f9eddf621abd6463e317 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 29 Feb 2024 10:53:04 +0530 +Subject: [PATCH 10/54] Fix gdb-14 build errors for microblaze-xilinx-elf + 2023.2 merge + +Signed-off-by: Aayush Misra +--- + bfd/elf64-microblaze.c | 12 ++++++++++++ + gdb/frame.c | 2 +- + gdb/microblaze-tdep.c | 17 +++++++++++------ + 3 files changed, 24 insertions(+), 7 deletions(-) + +diff --git a/bfd/elf64-microblaze.c b/bfd/elf64-microblaze.c +index 6cd9753a592..119d266f95a 100755 +--- a/bfd/elf64-microblaze.c ++++ b/bfd/elf64-microblaze.c +@@ -750,6 +750,18 @@ microblaze_elf_info_to_howto (bfd * abfd, + return true; + } + ++/* Relax table contains information about instructions which can ++ be removed by relaxation -- replacing a long address with a ++ short address. */ ++struct relax_table ++{ ++ /* Address where bytes may be deleted. */ ++ bfd_vma addr; ++ ++ /* Number of bytes to be deleted. */ ++ size_t size; ++}; ++ + struct _microblaze_elf_section_data + { + struct bfd_elf_section_data elf; +diff --git a/gdb/frame.c b/gdb/frame.c +index c4d967e01d5..8be230e0617 100644 +--- a/gdb/frame.c ++++ b/gdb/frame.c +@@ -1315,7 +1315,7 @@ frame_unwind_register_value (frame_info_ptr next_frame, int regnum) + int i; + + const gdb_byte *buf = NULL; +- if (value_entirely_available(value)) { ++ if (value->entirely_available()) { + gdb::array_view buf = value->contents (); + } + +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 3e541789fac..f7d9d6419ce 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -75,7 +75,7 @@ static const char *const microblaze_abi_strings[] = { + enum microblaze_abi + microblaze_abi (struct gdbarch *gdbarch) + { +- microblaze_gdbarch_tdep *tdep = (microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); ++ microblaze_gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + return tdep->microblaze_abi; + } + /* The registers of the Xilinx microblaze processor. */ +@@ -120,12 +120,12 @@ show_microblaze_abi (struct ui_file *file, + + #if 1 + if (global_abi == MICROBLAZE_ABI_AUTO) +- fprintf_filtered ++ gdb_printf + (file, + "The microblaze ABI is set automatically (currently \"%s\").\n", + actual_abi_str); + else if (global_abi == actual_abi) +- fprintf_filtered ++ gdb_printf + (file, + "The microblaze ABI is assumed to be \"%s\" (due to user setting).\n", + actual_abi_str); +@@ -133,7 +133,7 @@ show_microblaze_abi (struct ui_file *file, + { + #endif + /* Probably shouldn't happen... */ +- fprintf_filtered (file, ++ gdb_printf (file, + "The (auto detected) microblaze ABI \"%s\" is in use " + "even though the user setting was \"%s\".\n", + actual_abi_str, microblaze_abi_strings[global_abi]); +@@ -934,7 +934,7 @@ microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch, + void *cb_data, + const struct regcache *regcache) + { +- struct microblaze_gdbarch_tdep *tdep =(microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); ++ microblaze_gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + cb(".reg", tdep->sizeof_gregset, tdep->sizeof_gregset, tdep->gregset, NULL, cb_data); + +@@ -942,6 +942,8 @@ microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch, + } + + ++#if 0 ++// compilation errors - function is not actually used ? + static void + make_regs (struct gdbarch *arch) + { +@@ -953,6 +955,7 @@ make_regs (struct gdbarch *arch) + set_gdbarch_ptr_bit (arch, 64); + } + } ++#endif + + static struct gdbarch * + microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) +@@ -964,7 +967,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + /* What has the user specified from the command line? */ + wanted_abi = global_microblaze_abi (); + if (gdbarch_debug) +- fprintf_unfiltered (gdb_stdlog, "microblaze_gdbarch_init: wanted_abi = %d\n", ++ gdb_printf (gdb_stdlog, "microblaze_gdbarch_init: wanted_abi = %d\n", + wanted_abi); + if (wanted_abi != MICROBLAZE_ABI_AUTO) + microblaze_abi = wanted_abi; +@@ -1038,6 +1041,8 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + gdbarch *gdbarch + = gdbarch_alloc (&info, gdbarch_tdep_up (new microblaze_gdbarch_tdep)); + ++ microblaze_gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); ++ + tdep->gregset = NULL; + tdep->sizeof_gregset = 0; + tdep->fpregset = NULL; +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0011-fix-gdb-microblaze-xilinx-elf-crash-issue-on-invocat.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0011-fix-gdb-microblaze-xilinx-elf-crash-issue-on-invocat.patch new file mode 100644 index 00000000..d7e51502 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0011-fix-gdb-microblaze-xilinx-elf-crash-issue-on-invocat.patch @@ -0,0 +1,28 @@ +From 389711a13933a60323d368d5e5f1f54bd171b16b Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 29 Feb 2024 10:55:16 +0530 +Subject: [PATCH 11/54] fix gdb microblaze-xilinx-elf crash issue on invocation + Regression from merging microblaze 64-bit support + +Signed-off-by: Aayush Misra +--- + gdb/microblaze-tdep.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index f7d9d6419ce..d4b9ef837e5 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -1124,6 +1124,9 @@ void _initialize_microblaze_tdep (); + void + _initialize_microblaze_tdep () + { ++ //Setting abi to auto manually, should be able to modify in 'arch'_gdbarch_init function ++ microblaze_abi_string = microblaze_abi_strings[0]; ++ + gdbarch_register (bfd_arch_microblaze, microblaze_gdbarch_init); + + // static struct cmd_list_element *setmicroblazecmdlist = NULL; +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0013-Disable-the-warning-message-for-eh_frame_hdr.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0013-Disable-the-warning-message-for-eh_frame_hdr.patch new file mode 100644 index 00000000..8e966788 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0013-Disable-the-warning-message-for-eh_frame_hdr.patch @@ -0,0 +1,35 @@ +From ee4f6d0c1ea82b531d7481692e499fc0b35c88a8 Mon Sep 17 00:00:00 2001 +From: "Edgar E. Iglesias" +Date: Fri, 22 Jun 2012 01:20:20 +0200 +Subject: [PATCH 13/54] Disable the warning message for eh_frame_hdr + +Signed-off-by: Edgar E. Iglesias + +Conflicts: + bfd/elf-eh-frame.c +Signed-off-by: Aayush Misra +--- + bfd/elf-eh-frame.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c +index bf7a9902355..21029b59632 100644 +--- a/bfd/elf-eh-frame.c ++++ b/bfd/elf-eh-frame.c +@@ -1045,10 +1045,13 @@ _bfd_elf_parse_eh_frame (bfd *abfd, struct bfd_link_info *info, + goto success; + + free_no_table: ++/* FIXME: Remove the microblaze specifics when relaxing gets fixed. */ ++if (bfd_get_arch(abfd) != bfd_arch_microblaze) { + _bfd_error_handler + /* xgettext:c-format */ + (_("error in %pB(%pA); no .eh_frame_hdr table will be created"), + abfd, sec); ++} + hdr_info->u.dwarf.table = false; + free (sec_info); + success: +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0015-upstream-change-to-garbage-collection-sweep-causes-m.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0015-upstream-change-to-garbage-collection-sweep-causes-m.patch new file mode 100644 index 00000000..41118c1a --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0015-upstream-change-to-garbage-collection-sweep-causes-m.patch @@ -0,0 +1,43 @@ +From 6531ec7f986fff48b9efc883526018f494cf88fb Mon Sep 17 00:00:00 2001 +From: David Holsgrove +Date: Wed, 27 Feb 2013 13:56:11 +1000 +Subject: [PATCH 15/54] upstream change to garbage collection sweep causes mb + regression + +Upstream change for PR13177 now clears the def_regular during gc_sweep of a +section. (All other archs in binutils/bfd/elf32-*.c received an update +to a warning about unresolvable relocations - this warning is not present +in binutils/bfd/elf32-microblaze.c, but this warning check would not +prevent the error being seen) + +The visible issue with this change is when running a c++ application +in Petalinux which links libstdc++.so for exception handling it segfaults +on execution. + +This does not occur if static linking libstdc++.a, so its during the +relocations for a shared lib with garbage collection this occurs + +Signed-off-by: David Holsgrove + +Conflicts: + bfd/elflink.c +Signed-off-by: Aayush Misra +--- + bfd/elflink.c | 1 - + 1 file changed, 1 deletion(-) + +diff --git a/bfd/elflink.c b/bfd/elflink.c +index ca162145f7e..0524019641e 100644 +--- a/bfd/elflink.c ++++ b/bfd/elflink.c +@@ -6608,7 +6608,6 @@ elf_gc_sweep_symbol (struct elf_link_hash_entry *h, void *data) + + inf = (struct elf_gc_sweep_symbol_info *) data; + (*inf->hide_symbol) (inf->info, h, true); +- h->def_regular = 0; + h->ref_regular = 0; + h->ref_regular_nonweak = 0; + } +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0016-Add-new-bit-field-instructions.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0016-Add-new-bit-field-instructions.patch new file mode 100644 index 00000000..30a7322d --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0016-Add-new-bit-field-instructions.patch @@ -0,0 +1,88 @@ +From 50a52ab3ad64b8525a970744dbb1c5f67dc24886 Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala +Date: Mon, 18 Jul 2016 12:24:28 +0530 +Subject: [PATCH 16/54] Add new bit-field instructions + +This patches adds new bsefi and bsifi instructions. +BSEFI- The instruction shall extract a bit field from a +register and place it right-adjusted in the destination register. +The other bits in the destination register shall be set to zero +BSIFI- The instruction shall insert a right-adjusted bit field +from a register at another position in the destination register. +The rest of the bits in the destination register shall be unchanged + +Signed-off-by :Nagaraju Mekala + +Conflicts: + opcodes/microblaze-dis.c + +Conflicts: + gas/config/tc-microblaze.c + opcodes/microblaze-opc.h + +Signed-off-by: Aayush Misra +--- + gas/config/tc-microblaze.c | 71 +++++++++++++++++++++++++++++++++++++- + opcodes/microblaze-dis.c | 18 +++++++++- + opcodes/microblaze-opc.h | 6 ++++ + 3 files changed, 93 insertions(+), 2 deletions(-) + +Index: gdb-14.2/opcodes/microblaze-dis.c +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-dis.c ++++ gdb-14.2/opcodes/microblaze-dis.c +@@ -113,7 +113,19 @@ get_field_immw (struct string_buf *buf, + } + + static char * +-get_field_rfsl (struct string_buf *buf, long instr) ++get_field_imm5width (struct string_buf *buf, long instr) ++{ ++ char *p = strbuf (buf); ++ ++ if (instr & 0x00004000) ++ sprintf (p, "%d", (short)(((instr & IMM5_WIDTH_MASK) >> IMM_WIDTH_LOW))); /* bsefi */ ++ else ++ sprintf (p, "%d", (short)(((instr & IMM5_WIDTH_MASK) >> IMM_WIDTH_LOW) - ((instr & IMM5_MASK) >> IMM_LOW) + 1)); /* bsifi */ ++ return p; ++} ++ ++static char * ++get_field_rfsl (struct string_buf *buf,long instr) + { + char *p = strbuf (buf); + +@@ -462,6 +474,10 @@ print_insn_microblaze (bfd_vma memaddr, + print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst), get_field_r1(&buf, inst), + get_field_immw (&buf, inst), get_field_imms (&buf, inst)); + break; ++ /* For bit field insns. */ ++ case INST_TYPE_RD_R1_IMM5_IMM5: ++ print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst),get_field_r1(&buf, inst),get_field_imm5width (&buf, inst), get_field_imm5 (&buf, inst)); ++ break; + /* For tuqula instruction */ + case INST_TYPE_RD: + print_func (stream, "\t%s", get_field_rd (&buf, inst)); +Index: gdb-14.2/opcodes/microblaze-opc.h +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-opc.h ++++ gdb-14.2/opcodes/microblaze-opc.h +@@ -68,6 +68,9 @@ + #define INST_TYPE_R1_IMML 24 + #define INST_TYPE_RD_R1_IMMW_IMMS 21 + ++/* For bsefi and bsifi */ ++#define INST_TYPE_RD_R1_IMM5_IMM5 21 ++ + #define INST_TYPE_NONE 25 + + +@@ -587,5 +590,8 @@ char pvr_register_prefix[] = "rpvr"; + #define MIN_IMML ((long) 0xffffff8000000000L) + #define MAX_IMML ((long) 0x0000007fffffffffL) + ++#define MIN_IMM_WIDTH ((int) 0x00000001) ++#define MAX_IMM_WIDTH ((int) 0x00000020) ++ + #endif /* MICROBLAZE_OPC */ + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0019-initial-support-for-MicroBlaze-64-bit-m64.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0019-initial-support-for-MicroBlaze-64-bit-m64.patch new file mode 100644 index 00000000..dc78da6b --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0019-initial-support-for-MicroBlaze-64-bit-m64.patch @@ -0,0 +1,150 @@ +From 45f177e5de751f11c2d084c4d836d7f8ef754cb4 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 1 Nov 2021 19:06:53 +0530 +Subject: [PATCH 19/54] initial support for MicroBlaze 64 bit [-m64] + +Conflicts: + bfd/elf32-microblaze.c + include/elf/common.h + ld/Makefile.am + ld/Makefile.in +signed-off-by:Nagaraju Mekala + Mahesh Bodapati + +Signed-off-by: Aayush Misra +--- + bfd/bfd-in2.h | 10 ++++++++++ + bfd/libbfd.h | 2 ++ + bfd/reloc.c | 12 ++++++++++++ + gas/config/tc-microblaze.h | 4 +++- + ld/Makefile.am | 2 ++ + ld/configure.tgt | 3 +++ + opcodes/microblaze-dis.c | 8 ++++++-- + opcodes/microblaze-opc.h | 11 +++++++---- + 8 files changed, 45 insertions(+), 7 deletions(-) + +Index: gdb-14.2/bfd/bfd-in2.h +=================================================================== +--- gdb-14.2.orig/bfd/bfd-in2.h ++++ gdb-14.2/bfd/bfd-in2.h +@@ -6489,12 +6489,22 @@ done here - only used for relaxing */ + BFD_RELOC_MICROBLAZE_64_NONE, + + /* This is a 64 bit reloc that stores the 32 bit pc relative ++ * +value in two words (with an imml instruction). No relocation is ++ * +done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_64, ++ ++/* This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + PC-relative GOT offset */ + BFD_RELOC_MICROBLAZE_64_GOTPC, + + /* This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imml instruction). The relocation is ++PC-relative GOT offset */ ++ BFD_RELOC_MICROBLAZE_64_GPC, ++ ++/* This is a 64 bit reloc that stores the 32 bit pc relative ++value in two words (with an imml instruction). The relocation is + PC-relative GOT offset */ + BFD_RELOC_MICROBLAZE_64_GPC, + +Index: gdb-14.2/bfd/libbfd.h +=================================================================== +--- gdb-14.2.orig/bfd/libbfd.h ++++ gdb-14.2/bfd/libbfd.h +@@ -3012,7 +3012,9 @@ static const char *const bfd_reloc_code_ + "BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM", + "BFD_RELOC_MICROBLAZE_32_NONE", + "BFD_RELOC_MICROBLAZE_64_NONE", ++ "BFD_RELOC_MICROBLAZE_64", + "BFD_RELOC_MICROBLAZE_64_GOTPC", ++ "BFD_RELOC_MICROBLAZE_64_GPC", + "BFD_RELOC_MICROBLAZE_64_GOT", + "BFD_RELOC_MICROBLAZE_64_PLT", + "BFD_RELOC_MICROBLAZE_64_GOTOFF", +Index: gdb-14.2/bfd/reloc.c +=================================================================== +--- gdb-14.2.orig/bfd/reloc.c ++++ gdb-14.2/bfd/reloc.c +@@ -6703,6 +6703,12 @@ ENUMDOC + ENUM + BFD_RELOC_MICROBLAZE_64_NONE + ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++ BFD_RELOC_MICROBLAZE_64 ++ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). No relocation is + done here - only used for relaxing +@@ -6710,6 +6716,12 @@ ENUM + BFD_RELOC_MICROBLAZE_64_GOTPC + ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++ BFD_RELOC_MICROBLAZE_64_GPC ++ENUMDOC ++ This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + PC-relative GOT offset + ENUM +Index: gdb-14.2/opcodes/microblaze-dis.c +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-dis.c ++++ gdb-14.2/opcodes/microblaze-dis.c +@@ -457,6 +457,10 @@ print_insn_microblaze (bfd_vma memaddr, + case INST_TYPE_R1_R2_SPECIAL: + print_func (stream, "\t%s, %s", get_field_r1 (&buf, inst), + get_field_r2 (&buf, inst)); ++ break; ++ case INST_TYPE_IMML: ++ print_func (stream, "\t%s", get_field_imml (&buf, inst)); ++ /* TODO: Also print symbol */ + break; + case INST_TYPE_RD_IMM15: + print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), +@@ -475,8 +479,8 @@ print_insn_microblaze (bfd_vma memaddr, + get_field_immw (&buf, inst), get_field_imms (&buf, inst)); + break; + /* For bit field insns. */ +- case INST_TYPE_RD_R1_IMM5_IMM5: +- print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst),get_field_r1(&buf, inst),get_field_imm5width (&buf, inst), get_field_imm5 (&buf, inst)); ++ case INST_TYPE_RD_R1_IMMW_IMMS: ++ print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst),get_field_r1(&buf, inst),get_field_immw (&buf, inst), get_field_imms (&buf, inst)); + break; + /* For tuqula instruction */ + case INST_TYPE_RD: +Index: gdb-14.2/opcodes/microblaze-opc.h +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-opc.h ++++ gdb-14.2/opcodes/microblaze-opc.h +@@ -69,7 +69,13 @@ + #define INST_TYPE_RD_R1_IMMW_IMMS 21 + + /* For bsefi and bsifi */ +-#define INST_TYPE_RD_R1_IMM5_IMM5 21 ++#define INST_TYPE_RD_R1_IMMW_IMMS 21 ++ ++/* For 64-bit instructions */ ++#define INST_TYPE_IMML 22 ++#define INST_TYPE_RD_R1_IMML 23 ++#define INST_TYPE_R1_IMML 24 ++#define INST_TYPE_RD_R1_IMMW_IMMS 21 + + #define INST_TYPE_NONE 25 + +@@ -590,8 +596,5 @@ char pvr_register_prefix[] = "rpvr"; + #define MIN_IMML ((long) 0xffffff8000000000L) + #define MAX_IMML ((long) 0x0000007fffffffffL) + +-#define MIN_IMM_WIDTH ((int) 0x00000001) +-#define MAX_IMM_WIDTH ((int) 0x00000020) +- + #endif /* MICROBLAZE_OPC */ + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0020-initial-support-for-MicroBlaze-64-bit-m64.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0020-initial-support-for-MicroBlaze-64-bit-m64.patch new file mode 100644 index 00000000..a1efcf41 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0020-initial-support-for-MicroBlaze-64-bit-m64.patch @@ -0,0 +1,82 @@ +From 8ec9b2fe49c8e1e367213fa0b8d6b6f0fedc3456 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 1 Nov 2021 19:06:53 +0530 +Subject: [PATCH 20/54] initial support for MicroBlaze 64 bit [-m64] + +Conflicts: + bfd/elf32-microblaze.c + include/elf/common.h + ld/Makefile.am + ld/Makefile.in +signed-off-by:Nagaraju Mekala + Mahesh Bodapati + +Signed-off-by: Aayush Misra +--- + ld/emulparams/elf64microblaze.sh | 23 +++++++++++++++++++++++ + ld/emulparams/elf64microblazeel.sh | 23 +++++++++++++++++++++++ + 2 files changed, 46 insertions(+) + create mode 100644 ld/emulparams/elf64microblaze.sh + create mode 100644 ld/emulparams/elf64microblazeel.sh + +diff --git a/ld/emulparams/elf64microblaze.sh b/ld/emulparams/elf64microblaze.sh +new file mode 100644 +index 00000000000..9c7b0eb7080 +--- /dev/null ++++ b/ld/emulparams/elf64microblaze.sh +@@ -0,0 +1,23 @@ ++SCRIPT_NAME=elfmicroblaze ++OUTPUT_FORMAT="elf64-microblazeel" ++#BIG_OUTPUT_FORMAT="elf64-microblaze" ++LITTLE_OUTPUT_FORMAT="elf64-microblazeel" ++#TEXT_START_ADDR=0 ++NONPAGED_TEXT_START_ADDR=0x28 ++ALIGNMENT=4 ++MAXPAGESIZE=4 ++ARCH=microblaze ++EMBEDDED=yes ++ ++NOP=0x80000000 ++ ++# Hmmm, there's got to be a better way. This sets the stack to the ++# top of the simulator memory (2^19 bytes). ++#PAGE_SIZE=0x1000 ++#DATA_ADDR=0x10000 ++#OTHER_RELOCATING_SECTIONS='.stack 0x7000 : { _stack = .; *(.stack) }' ++#$@{RELOCATING+ PROVIDE (__stack = 0x7000);@} ++#OTHER_RELOCATING_SECTIONS='PROVIDE (_stack = _end + 0x1000);' ++ ++TEMPLATE_NAME=elf32 ++#GENERATE_SHLIB_SCRIPT=yes +diff --git a/ld/emulparams/elf64microblazeel.sh b/ld/emulparams/elf64microblazeel.sh +new file mode 100644 +index 00000000000..9c7b0eb7080 +--- /dev/null ++++ b/ld/emulparams/elf64microblazeel.sh +@@ -0,0 +1,23 @@ ++SCRIPT_NAME=elfmicroblaze ++OUTPUT_FORMAT="elf64-microblazeel" ++#BIG_OUTPUT_FORMAT="elf64-microblaze" ++LITTLE_OUTPUT_FORMAT="elf64-microblazeel" ++#TEXT_START_ADDR=0 ++NONPAGED_TEXT_START_ADDR=0x28 ++ALIGNMENT=4 ++MAXPAGESIZE=4 ++ARCH=microblaze ++EMBEDDED=yes ++ ++NOP=0x80000000 ++ ++# Hmmm, there's got to be a better way. This sets the stack to the ++# top of the simulator memory (2^19 bytes). ++#PAGE_SIZE=0x1000 ++#DATA_ADDR=0x10000 ++#OTHER_RELOCATING_SECTIONS='.stack 0x7000 : { _stack = .; *(.stack) }' ++#$@{RELOCATING+ PROVIDE (__stack = 0x7000);@} ++#OTHER_RELOCATING_SECTIONS='PROVIDE (_stack = _end + 0x1000);' ++ ++TEMPLATE_NAME=elf32 ++#GENERATE_SHLIB_SCRIPT=yes +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0021-Added-relocations-for-MB-X.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0021-Added-relocations-for-MB-X.patch new file mode 100644 index 00000000..caf24b8d --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0021-Added-relocations-for-MB-X.patch @@ -0,0 +1,69 @@ +From 818a103460da557761aacc0d21b9b087721d2d3e Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala +Date: Tue, 11 Sep 2018 17:30:17 +0530 +Subject: [PATCH 21/54] Added relocations for MB-X + +Conflicts: + bfd/bfd-in2.h + gas/config/tc-microblaze.c + +Conflicts: + gas/config/tc-microblaze.c + +Signed-off-by: Aayush Misra +--- + bfd/reloc.c | 26 ++++++++++++++------------ + gas/config/tc-microblaze.c | 11 +++++++++++ + 2 files changed, 25 insertions(+), 12 deletions(-) + +Index: gdb-14.2/bfd/reloc.c +=================================================================== +--- gdb-14.2.orig/bfd/reloc.c ++++ gdb-14.2/bfd/reloc.c +@@ -6703,12 +6703,6 @@ ENUMDOC + ENUM + BFD_RELOC_MICROBLAZE_64_NONE + ENUMDOC +- This is a 32 bit reloc that stores the 32 bit pc relative +- value in two words (with an imml instruction). No relocation is +- done here - only used for relaxing +-ENUM +- BFD_RELOC_MICROBLAZE_64 +-ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). No relocation is + done here - only used for relaxing +@@ -6716,12 +6710,6 @@ ENUM + BFD_RELOC_MICROBLAZE_64_GOTPC + ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative +- value in two words (with an imml instruction). No relocation is +- done here - only used for relaxing +-ENUM +- BFD_RELOC_MICROBLAZE_64_GPC +-ENUMDOC +- This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + PC-relative GOT offset + ENUM +@@ -7976,6 +7964,20 @@ ENUMX + ENUMDOC + Linux eBPF relocations. + ++ This is a 64 bit reloc that stores 64-bit thread pointer relative offset ++ to two words (uses imml instruction). ++ENUM ++BFD_RELOC_MICROBLAZE_64, ++ENUMDOC ++ This is a 64 bit reloc that stores the 64 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++BFD_RELOC_MICROBLAZE_64_PCREL, ++ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing + ENUM + BFD_RELOC_EPIPHANY_SIMM8 + ENUMDOC diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0022-initial-support-for-MicroBlaze-64-bit-m64.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0022-initial-support-for-MicroBlaze-64-bit-m64.patch new file mode 100644 index 00000000..2023287a --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0022-initial-support-for-MicroBlaze-64-bit-m64.patch @@ -0,0 +1,113 @@ +From 587d5179ce81a4f67ebec321063f6c3c9b1673cb Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 1 Nov 2021 19:06:53 +0530 +Subject: [PATCH 22/54] initial support for MicroBlaze 64 bit [-m64] + +Conflicts: + bfd/elf32-microblaze.c + include/elf/common.h + ld/Makefile.am + ld/Makefile.in +signed-off-by:Nagaraju Mekala + Mahesh Bodapati + +Signed-off-by: Aayush Misra +--- + bfd/elf64-microblaze.c | 8 + + bfd/reloc.c | 42 ++- + gas/config/tc-microblaze.c | 558 ++++++++++++++++++++++++++++++++----- + 3 files changed, 507 insertions(+), 101 deletions(-) + +Index: gdb-14.2/bfd/elf64-microblaze.c +=================================================================== +--- gdb-14.2.orig/bfd/elf64-microblaze.c ++++ gdb-14.2/bfd/elf64-microblaze.c +@@ -1666,6 +1666,14 @@ microblaze_elf_relocate_section (bfd *ou + outrel.r_info = ELF64_R_INFO (0, R_MICROBLAZE_REL); + outrel.r_addend = relocation + addend; + } ++ unsigned long insn = bfd_get_32 (input_bfd, contents + offset +endian); ++ if (insn == 0xb2000000 || insn == 0xb2ffffff) ++ { ++ insn &= ~0x00ffffff; ++ insn |= (relocation >> 16) & 0xffffff; ++ bfd_put_32 (input_bfd, insn, ++ contents + offset + endian); ++ } + else + { + BFD_FAIL (); +Index: gdb-14.2/bfd/reloc.c +=================================================================== +--- gdb-14.2.orig/bfd/reloc.c ++++ gdb-14.2/bfd/reloc.c +@@ -6703,13 +6703,31 @@ ENUMDOC + ENUM + BFD_RELOC_MICROBLAZE_64_NONE + ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++ BFD_RELOC_MICROBLAZE_64 ++ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). No relocation is + done here - only used for relaxing + ENUM ++BFD_RELOC_MICROBLAZE_64_PCREL, ++ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM + BFD_RELOC_MICROBLAZE_64_GOTPC + ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++ BFD_RELOC_MICROBLAZE_64_GPC ++ENUMDOC ++ This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + PC-relative GOT offset + ENUM +@@ -7942,18 +7960,6 @@ ENUMDOC + This is a 64 bit reloc that stores 64-bit thread pointer relative offset + to two words (uses imml instruction). + ENUM +-BFD_RELOC_MICROBLAZE_64, +-ENUMDOC +- This is a 64 bit reloc that stores the 64 bit pc relative +- value in two words (with an imml instruction). No relocation is +- done here - only used for relaxing +-ENUM +-BFD_RELOC_MICROBLAZE_64_PCREL, +-ENUMDOC +- This is a 32 bit reloc that stores the 32 bit pc relative +- value in two words (with an imml instruction). No relocation is +- done here - only used for relaxing +-ENUM + BFD_RELOC_BPF_64 + ENUMX + BFD_RELOC_BPF_DISP32 +@@ -7967,18 +7973,6 @@ ENUMDOC + This is a 64 bit reloc that stores 64-bit thread pointer relative offset + to two words (uses imml instruction). + ENUM +-BFD_RELOC_MICROBLAZE_64, +-ENUMDOC +- This is a 64 bit reloc that stores the 64 bit pc relative +- value in two words (with an imml instruction). No relocation is +- done here - only used for relaxing +-ENUM +-BFD_RELOC_MICROBLAZE_64_PCREL, +-ENUMDOC +- This is a 32 bit reloc that stores the 32 bit pc relative +- value in two words (with an imml instruction). No relocation is +- done here - only used for relaxing +-ENUM + BFD_RELOC_EPIPHANY_SIMM8 + ENUMDOC + Adapteva EPIPHANY - 8 bit signed pc-relative displacement diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0023-Added-relocations-for-MB-X.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0023-Added-relocations-for-MB-X.patch new file mode 100644 index 00000000..54b0cc45 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0023-Added-relocations-for-MB-X.patch @@ -0,0 +1,84 @@ +From 4992c1383473b2a37551b7391f1eb836d2a447d3 Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala +Date: Tue, 11 Sep 2018 17:30:17 +0530 +Subject: [PATCH 23/54] Added relocations for MB-X + +Conflicts: + bfd/bfd-in2.h + gas/config/tc-microblaze.c + +Conflicts: + gas/config/tc-microblaze.c + +Signed-off-by: Aayush Misra +--- + bfd/libbfd.h | 2 -- + bfd/reloc.c | 26 ++++++++------- + gas/config/tc-microblaze.c | 68 ++++++++++++-------------------------- + 3 files changed, 36 insertions(+), 60 deletions(-) + +Index: gdb-14.2/bfd/libbfd.h +=================================================================== +--- gdb-14.2.orig/bfd/libbfd.h ++++ gdb-14.2/bfd/libbfd.h +@@ -3012,9 +3012,7 @@ static const char *const bfd_reloc_code_ + "BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM", + "BFD_RELOC_MICROBLAZE_32_NONE", + "BFD_RELOC_MICROBLAZE_64_NONE", +- "BFD_RELOC_MICROBLAZE_64", + "BFD_RELOC_MICROBLAZE_64_GOTPC", +- "BFD_RELOC_MICROBLAZE_64_GPC", + "BFD_RELOC_MICROBLAZE_64_GOT", + "BFD_RELOC_MICROBLAZE_64_PLT", + "BFD_RELOC_MICROBLAZE_64_GOTOFF", +Index: gdb-14.2/bfd/reloc.c +=================================================================== +--- gdb-14.2.orig/bfd/reloc.c ++++ gdb-14.2/bfd/reloc.c +@@ -6669,6 +6669,20 @@ ENUM + ENUMDOC + Address of a GOT entry. + ++ This is a 64 bit reloc that stores 64-bit thread pointer relative offset ++ to two words (uses imml instruction). ++ENUM ++BFD_RELOC_MICROBLAZE_64, ++ENUMDOC ++ This is a 64 bit reloc that stores the 64 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++BFD_RELOC_MICROBLAZE_64_PCREL, ++ENUMDOC ++ This is a 32 bit reloc that stores the 32 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing + ENUM + BFD_RELOC_MICROBLAZE_32_LO + ENUMDOC +@@ -6707,12 +6721,6 @@ ENUMDOC + value in two words (with an imml instruction). No relocation is + done here - only used for relaxing + ENUM +- BFD_RELOC_MICROBLAZE_64 +-ENUMDOC +- This is a 64 bit reloc that stores the 32 bit pc relative +- value in two words (with an imm instruction). No relocation is +- done here - only used for relaxing +-ENUM + BFD_RELOC_MICROBLAZE_64_PCREL, + ENUMDOC + This is a 32 bit reloc that stores the 32 bit pc relative +@@ -6725,12 +6733,6 @@ ENUMDOC + value in two words (with an imml instruction). No relocation is + done here - only used for relaxing + ENUM +- BFD_RELOC_MICROBLAZE_64_GPC +-ENUMDOC +- This is a 64 bit reloc that stores the 32 bit pc relative +- value in two words (with an imm instruction). The relocation is +- PC-relative GOT offset +-ENUM + BFD_RELOC_MICROBLAZE_64_GOT + ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0025-Fixed-address-computation-issues-with-64bit-address-.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0025-Fixed-address-computation-issues-with-64bit-address-.patch new file mode 100644 index 00000000..e495e207 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0025-Fixed-address-computation-issues-with-64bit-address-.patch @@ -0,0 +1,35 @@ +From 33e22262c6c43af6e7e075df0665838b5b3859a6 Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala +Date: Tue, 9 Oct 2018 10:14:22 +0530 +Subject: [PATCH 25/54] - Fixed address computation issues with 64bit address - + Fixed imml dissassamble issue + +Conflicts: + gas/config/tc-microblaze.c + opcodes/microblaze-dis.c + +Conflicts: + bfd/elf64-microblaze.c + +Conflicts: + bfd/elf64-microblaze.c + +Signed-off-by: Aayush Misra +--- + bfd/elf64-microblaze.c | 2 +- + gas/config/tc-microblaze.c | 74 +++++++++++++++++++++++++++++++++----- + 2 files changed, 67 insertions(+), 9 deletions(-) + +Index: gdb-14.2/bfd/elf64-microblaze.c +=================================================================== +--- gdb-14.2.orig/bfd/elf64-microblaze.c ++++ gdb-14.2/bfd/elf64-microblaze.c +@@ -2131,7 +2131,7 @@ microblaze_elf_relax_section (bfd *abfd, + efix = calc_fixup (target_address, 0, sec); + + /* Validate the in-band val. */ +- val = bfd_get_32 (abfd, contents + irel->r_offset); ++ val = bfd_get_64 (abfd, contents + irel->r_offset); + if (val != irel->r_addend && ELF64_R_TYPE (irel->r_info) == R_MICROBLAZE_32_NONE) { + fprintf(stderr, "%d: CORRUPT relax reloc %x %lx\n", __LINE__, val, irel->r_addend); + } diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0028-fixing-the-long-long-long-mingw-toolchain-issue.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0028-fixing-the-long-long-long-mingw-toolchain-issue.patch new file mode 100644 index 00000000..f6598cee --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0028-fixing-the-long-long-long-mingw-toolchain-issue.patch @@ -0,0 +1,26 @@ +From 646b229752b9816b25d2b9ffe79b895b69742745 Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala +Date: Thu, 29 Nov 2018 17:59:25 +0530 +Subject: [PATCH 28/54] fixing the long & long long mingw toolchain issue + +Signed-off-by: Aayush Misra +--- + gas/config/tc-microblaze.c | 10 +++++----- + opcodes/microblaze-opc.h | 4 ++-- + 2 files changed, 7 insertions(+), 7 deletions(-) + +Index: gdb-14.2/opcodes/microblaze-opc.h +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-opc.h ++++ gdb-14.2/opcodes/microblaze-opc.h +@@ -593,8 +593,8 @@ char pvr_register_prefix[] = "rpvr"; + #define MIN_IMM6_WIDTH ((int) 0x00000001) + #define MAX_IMM6_WIDTH ((int) 0x00000040) + +-#define MIN_IMML ((long) 0xffffff8000000000L) +-#define MAX_IMML ((long) 0x0000007fffffffffL) ++#define MIN_IMML ((long long) 0xffffff8000000000L) ++#define MAX_IMML ((long long) 0x0000007fffffffffL) + + #endif /* MICROBLAZE_OPC */ + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0029-Added-support-to-new-arithmetic-single-register-inst.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0029-Added-support-to-new-arithmetic-single-register-inst.patch new file mode 100644 index 00000000..8e9585a0 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0029-Added-support-to-new-arithmetic-single-register-inst.patch @@ -0,0 +1,176 @@ +From 1a9a688939dfbf7cca9685b326c0387672c567b4 Mon Sep 17 00:00:00 2001 +From: Nagaraju +Date: Fri, 23 Aug 2019 16:18:43 +0530 +Subject: [PATCH 29/54] Added support to new arithmetic single register + instructions + +Conflicts: + opcodes/microblaze-dis.c + +Conflicts: + gas/config/tc-microblaze.c + opcodes/microblaze-dis.c + +Conflicts: + gas/config/tc-microblaze.c +signed-off-by:Nagaraju + Mahesh + +Signed-off-by: Aayush Misra +--- + gas/config/tc-microblaze.c | 147 ++++++++++++++++++++++++++++++++++++- + opcodes/microblaze-dis.c | 11 +++ + opcodes/microblaze-opc.h | 43 ++++++++++- + opcodes/microblaze-opcm.h | 5 +- + 4 files changed, 200 insertions(+), 6 deletions(-) + +Index: gdb-14.2/opcodes/microblaze-dis.c +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-dis.c ++++ gdb-14.2/opcodes/microblaze-dis.c +@@ -143,6 +143,14 @@ get_field_imm15 (struct string_buf *buf, + return p; + } + ++get_field_imm16 (struct string_buf *buf, long instr) ++{ ++ char *p = strbuf (buf); ++ ++ sprintf (p, "%d", (short)((instr & IMM16_MASK) >> IMM_LOW)); ++ return p; ++} ++ + static char * + get_field_special (struct string_buf *buf, long instr, + const struct op_code_struct *op) +@@ -473,6 +481,9 @@ print_insn_microblaze (bfd_vma memaddr, + /* For mbar 16 or sleep insn. */ + case INST_TYPE_NONE: + break; ++ case INST_TYPE_RD_IMML: ++ print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), get_field_imm16 (&buf, inst)); ++ break; + /* For bit field insns. */ + case INST_TYPE_RD_R1_IMMW_IMMS: + print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst), get_field_r1(&buf, inst), +Index: gdb-14.2/opcodes/microblaze-opc.h +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-opc.h ++++ gdb-14.2/opcodes/microblaze-opc.h +@@ -78,6 +78,7 @@ + #define INST_TYPE_RD_R1_IMMW_IMMS 21 + + #define INST_TYPE_NONE 25 ++#define INST_TYPE_RD_IMML 26 + + + +@@ -93,6 +94,7 @@ + #define IMMVAL_MASK_MFS 0x0000 + + #define OPCODE_MASK_H 0xFC000000 /* High 6 bits only. */ ++#define OPCODE_MASK_LIMM 0xFC1F0000 /* High 6 bits and 12-16 bits */ + #define OPCODE_MASK_H1 0xFFE00000 /* High 11 bits. */ + #define OPCODE_MASK_H2 0xFC1F0000 /* High 6 and bits 20-16. */ + #define OPCODE_MASK_H12 0xFFFF0000 /* High 16. */ +@@ -115,6 +117,33 @@ + #define OPCODE_MASK_H34C 0xFC0007E0 /* High 6 bits and bits 21-26. */ + #define OPCODE_MASK_H8 0xFF000000 /* High 8 bits only. */ + ++/*Defines to identify 64-bit single reg instructions */ ++#define ADDLI_ONE_REG_MASK 0x68000000 ++#define ADDLIC_ONE_REG_MASK 0x68020000 ++#define ADDLIK_ONE_REG_MASK 0x68040000 ++#define ADDLIKC_ONE_REG_MASK 0x68060000 ++#define RSUBLI_ONE_REG_MASK 0x68010000 ++#define RSUBLIC_ONE_REG_MASK 0x68030000 ++#define RSUBLIK_ONE_REG_MASK 0x68050000 ++#define RSUBLIKC_ONE_REG_MASK 0x68070000 ++#define ORLI_ONE_REG_MASK 0x68100000 ++#define ANDLI_ONE_REG_MASK 0x68110000 ++#define XORLI_ONE_REG_MASK 0x68120000 ++#define ANDLNI_ONE_REG_MASK 0x68130000 ++#define ADDLI_MASK 0x20000000 ++#define ADDLIC_MASK 0x28000000 ++#define ADDLIK_MASK 0x30000000 ++#define ADDLIKC_MASK 0x38000000 ++#define RSUBLI_MASK 0x24000000 ++#define RSUBLIC_MASK 0x2C000000 ++#define RSUBLIK_MASK 0x34000000 ++#define RSUBLIKC_MASK 0x3C000000 ++#define ANDLI_MASK 0xA4000000 ++#define ANDLNI_MASK 0xAC000000 ++#define ORLI_MASK 0xA0000000 ++#define XORLI_MASK 0xA8000000 ++ ++ + /* New Mask for msrset, msrclr insns. */ + #define OPCODE_MASK_H23N 0xFC1F8000 /* High 6 and bits 11 - 16. */ + /* Mask for mbar insn. */ +@@ -123,7 +152,7 @@ + #define DELAY_SLOT 1 + #define NO_DELAY_SLOT 0 + +-#define MAX_OPCODES 412 ++#define MAX_OPCODES 424 + + const struct op_code_struct + { +@@ -452,13 +481,21 @@ const struct op_code_struct + {"cmpl", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000101, OPCODE_MASK_H4, cmpl, arithmetic_inst }, + {"cmplu", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x14000103, OPCODE_MASK_H4, cmplu, arithmetic_inst }, + {"addli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x20000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"addli", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68000000, OPCODE_MASK_LIMM, addli, arithmetic_inst }, + {"rsubli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x24000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"rsubli", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68010000, OPCODE_MASK_LIMM, rsubli, arithmetic_inst }, + {"addlic", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x28000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"addlic", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68020000, OPCODE_MASK_LIMM, addlic, arithmetic_inst }, + {"rsublic", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x2C000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"rsublic", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68030000, OPCODE_MASK_LIMM, rsublic, arithmetic_inst }, + {"addlik", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x30000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"addlik", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68040000, OPCODE_MASK_LIMM, addlik, arithmetic_inst }, + {"rsublik", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x34000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"rsublik", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68050000, OPCODE_MASK_LIMM, rsublik, arithmetic_inst }, + {"addlikc", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x38000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"addlikc", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68060000, OPCODE_MASK_LIMM, addlikc, arithmetic_inst }, + {"rsublikc",INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x3C000000, OPCODE_MASK_H, invalid_inst, arithmetic_inst }, /* Identical to 32-bit */ ++ {"rsublikc", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68070000, OPCODE_MASK_LIMM, rsublikc, arithmetic_inst }, + {"mull", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x40000100, OPCODE_MASK_H4, mull, mult_inst }, + {"bslll", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000500, OPCODE_MASK_H3, bslll, barrel_shift_inst }, + {"bslra", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x44000300, OPCODE_MASK_H3, bslra, barrel_shift_inst }, +@@ -509,9 +546,13 @@ const struct op_code_struct + {"beaged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00000, OPCODE_MASK_H14, beaged, branch_inst }, + {"bealged", INST_TYPE_R1_R2, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x9FA00100, OPCODE_MASK_H14, bealged, branch_inst }, + {"orli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA0000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ ++ {"orli", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68100000, OPCODE_MASK_LIMM, orli, arithmetic_inst }, + {"andli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA4000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ ++ {"andli", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68110000, OPCODE_MASK_LIMM, andli, arithmetic_inst }, + {"xorli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xA8000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ ++ {"xorli", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68120000, OPCODE_MASK_LIMM, xorli, arithmetic_inst }, + {"andnli", INST_TYPE_RD_R1_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xAC000000, OPCODE_MASK_H, invalid_inst, logical_inst }, /* Identical to 32-bit */ ++ {"andnli", INST_TYPE_RD_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL,0x68130000, OPCODE_MASK_LIMM, andnli, arithmetic_inst }, + {"imml", INST_TYPE_IMML, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB2000000, OPCODE_MASK_H8, imml, immediate_inst }, + {"breai", INST_TYPE_IMM, INST_PC_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8010000, OPCODE_MASK_H12, breai, branch_inst }, + {"breaid", INST_TYPE_IMM, INST_PC_OFFSET, DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0xB8110000, OPCODE_MASK_H12, breaid, branch_inst }, +Index: gdb-14.2/opcodes/microblaze-opcm.h +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-opcm.h ++++ gdb-14.2/opcodes/microblaze-opcm.h +@@ -62,7 +62,9 @@ enum microblaze_instr + eaputd, teaputd, ecaputd, tecaputd, neaputd, tneaputd, necaputd, tnecaputd, + + /* 64-bit instructions */ +- addl, rsubl, addlc, rsublc, addlk, rsublk, addlkc, rsublkc, cmpl, cmplu, mull, ++ addl, addli, addlic, addlik, addlikc, rsubl, rsubli, rsublic, rsublik, rsublikc, ++ addlc, rsublc, addlk, rsublk, addlkc, rsublkc, cmpl, cmplu, mull, ++ andli, andnli, orli, xorli, + bslll, bslra, bslrl, bsllli, bslrai, bslrli, bslefi, bslifi, orl, andl, xorl, + andnl, pcmplbf, pcmpleq, pcmplne, srla, srlc, srll, sextl8, sextl16, sextl32, + brea, bread, breald, beaeq, bealeq, beaeqd, bealeqd, beane, bealne, beaned, +@@ -167,5 +169,6 @@ enum microblaze_instr_type + + /* Imm mask for msrset, msrclr instructions. */ + #define IMM15_MASK 0x00007FFF ++#define IMM16_MASK 0x0000FFFF + + #endif /* MICROBLAZE-OPCM */ diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0030-double-imml-generation-for-64-bit-values.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0030-double-imml-generation-for-64-bit-values.patch new file mode 100644 index 00000000..72b9cc9f --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0030-double-imml-generation-for-64-bit-values.patch @@ -0,0 +1,29 @@ +From 6967f52fe0ebebb4bdf437cb1e683d9e87a013ff Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 26 Aug 2019 15:29:42 +0530 +Subject: [PATCH 30/54] double imml generation for 64 bit values. + +Conflicts: + gas/config/tc-microblaze.c + +Signed-off-by: Aayush Misra +--- + gas/config/tc-microblaze.c | 321 ++++++++++++++++++++++++++++++------- + opcodes/microblaze-opc.h | 4 +- + 2 files changed, 262 insertions(+), 63 deletions(-) + +Index: gdb-14.2/opcodes/microblaze-opc.h +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-opc.h ++++ gdb-14.2/opcodes/microblaze-opc.h +@@ -634,8 +634,8 @@ char pvr_register_prefix[] = "rpvr"; + #define MIN_IMM6_WIDTH ((int) 0x00000001) + #define MAX_IMM6_WIDTH ((int) 0x00000040) + +-#define MIN_IMML ((long long) 0xffffff8000000000L) +-#define MAX_IMML ((long long) 0x0000007fffffffffL) ++#define MIN_IMML ((long long) -9223372036854775808) ++#define MAX_IMML ((long long) 9223372036854775807) + + #endif /* MICROBLAZE_OPC */ + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0035-ld-emulparams-elf64microblaze-Fix-emulation-generati.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0035-ld-emulparams-elf64microblaze-Fix-emulation-generati.patch new file mode 100644 index 00000000..700ec4c3 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0035-ld-emulparams-elf64microblaze-Fix-emulation-generati.patch @@ -0,0 +1,44 @@ +From 9ff4551a70734606139f3ecd146cf0a1c45e0fb0 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 8 Nov 2021 22:01:23 +0530 +Subject: [PATCH 35/54] ld/emulparams/elf64microblaze: Fix emulation generation + +Compilation fails when building ld-new with: + +ldemul.o:(.data.rel+0x820): undefined reference to `ld_elf64microblazeel_emulation' +ldemul.o:(.data.rel+0x828): undefined reference to `ld_elf64microblaze_emulation' + +The error appears to be that the elf64 files were referencing the elf32 emulation. + +Signed-off-by: Mark Hatle +Signed-off-by: Aayush Misra +--- + ld/emulparams/elf64microblaze.sh | 2 +- + ld/emulparams/elf64microblazeel.sh | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/ld/emulparams/elf64microblaze.sh b/ld/emulparams/elf64microblaze.sh +index 9c7b0eb7080..7b4c7c411bd 100644 +--- a/ld/emulparams/elf64microblaze.sh ++++ b/ld/emulparams/elf64microblaze.sh +@@ -19,5 +19,5 @@ NOP=0x80000000 + #$@{RELOCATING+ PROVIDE (__stack = 0x7000);@} + #OTHER_RELOCATING_SECTIONS='PROVIDE (_stack = _end + 0x1000);' + +-TEMPLATE_NAME=elf32 ++TEMPLATE_NAME=elf + #GENERATE_SHLIB_SCRIPT=yes +diff --git a/ld/emulparams/elf64microblazeel.sh b/ld/emulparams/elf64microblazeel.sh +index 9c7b0eb7080..7b4c7c411bd 100644 +--- a/ld/emulparams/elf64microblazeel.sh ++++ b/ld/emulparams/elf64microblazeel.sh +@@ -19,5 +19,5 @@ NOP=0x80000000 + #$@{RELOCATING+ PROVIDE (__stack = 0x7000);@} + #OTHER_RELOCATING_SECTIONS='PROVIDE (_stack = _end + 0x1000);' + +-TEMPLATE_NAME=elf32 ++TEMPLATE_NAME=elf + #GENERATE_SHLIB_SCRIPT=yes +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0036-Invalid-data-offsets-pointer-after-relaxation.-Propo.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0036-Invalid-data-offsets-pointer-after-relaxation.-Propo.patch new file mode 100644 index 00000000..88c0dc4e --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0036-Invalid-data-offsets-pointer-after-relaxation.-Propo.patch @@ -0,0 +1,79 @@ +From a233cd9a21bc94c47c1d33cc10a9e24a5d5b8126 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 24 Jan 2022 16:04:07 +0530 +Subject: [PATCH 36/54] Invalid data offsets (pointer) after relaxation. + Proposed patch from community member (dednev@rambler.ru) against 2021.1 + [CR-1115232] + +Signed-off-by: Aayush Misra +--- + bfd/elf32-microblaze.c | 18 ++++++++++++++++++ + 1 file changed, 18 insertions(+) + +diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c +index 6ba28e757be..7a4d35493e9 100644 +--- a/bfd/elf32-microblaze.c ++++ b/bfd/elf32-microblaze.c +@@ -2174,6 +2174,9 @@ microblaze_elf_relax_section (bfd *abfd, + { + unsigned int val; + ++ if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + + /* hax: We only do the following fixup for debug location lists. */ +@@ -2213,6 +2216,9 @@ microblaze_elf_relax_section (bfd *abfd, + } + if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32)// || ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_IMML_64) + { ++ if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + + /* Look at the reloc only if the value has been resolved. */ +@@ -2245,6 +2251,9 @@ microblaze_elf_relax_section (bfd *abfd, + } + else if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32_SYM_OP_SYM) + { ++ if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + + /* Look at the reloc only if the value has been resolved. */ +@@ -2282,6 +2291,9 @@ microblaze_elf_relax_section (bfd *abfd, + || (ELF32_R_TYPE (irelscan->r_info) + == (int) R_MICROBLAZE_TEXTREL_32_LO)) + { ++ if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + + /* Look at the reloc only if the value has been resolved. */ +@@ -2328,6 +2340,9 @@ microblaze_elf_relax_section (bfd *abfd, + || (ELF32_R_TYPE (irelscan->r_info) + == (int) R_MICROBLAZE_TEXTREL_64)) + { ++ if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + + /* Look at the reloc only if the value has been resolved. */ +@@ -2362,6 +2377,9 @@ microblaze_elf_relax_section (bfd *abfd, + } + else if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_PCREL) + { ++ if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) ++ continue; ++ + isym = isymbuf + ELF32_R_SYM (irelscan->r_info); + + /* Look at the reloc only if the value has been resolved. */ +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0037-Double-free-with-ld-no-keep-memory.-Proposed-patches.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0037-Double-free-with-ld-no-keep-memory.-Proposed-patches.patch new file mode 100644 index 00000000..3cae48dc --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0037-Double-free-with-ld-no-keep-memory.-Proposed-patches.patch @@ -0,0 +1,107 @@ +From 2d0e4a0b3a9ce2ffebc5892cf34219ac01a2475e Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 24 Jan 2022 16:59:19 +0530 +Subject: [PATCH 37/54] Double free with ld --no-keep-memory. Proposed patches + from the community member (dednev@rambler.ru) for 2021.1. [CR-1115233] + +Conflicts: + bfd/elf32-microblaze.c + bfd/elf64-microblaze.c + +Signed-off-by: Aayush Misra +--- + bfd/elf32-microblaze.c | 40 ++++++++++++++++++++++------------------ + 1 file changed, 22 insertions(+), 18 deletions(-) + +diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c +index 7a4d35493e9..554a80ae0e4 100644 +--- a/bfd/elf32-microblaze.c ++++ b/bfd/elf32-microblaze.c +@@ -1881,10 +1881,8 @@ microblaze_elf_relax_section (bfd *abfd, + { + Elf_Internal_Shdr *symtab_hdr; + Elf_Internal_Rela *internal_relocs; +- Elf_Internal_Rela *free_relocs = NULL; + Elf_Internal_Rela *irel, *irelend; + bfd_byte *contents = NULL; +- bfd_byte *free_contents = NULL; + int rel_count; + unsigned int shndx; + size_t i, sym_index; +@@ -1928,8 +1926,6 @@ microblaze_elf_relax_section (bfd *abfd, + internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL, link_info->keep_memory); + if (internal_relocs == NULL) + goto error_return; +- if (! link_info->keep_memory) +- free_relocs = internal_relocs; + + sdata->relax_count = 0; + sdata->relax = (struct relax_table *) bfd_malloc ((sec->reloc_count + 1) +@@ -1957,7 +1953,6 @@ microblaze_elf_relax_section (bfd *abfd, + contents = (bfd_byte *) bfd_malloc (sec->size); + if (contents == NULL) + goto error_return; +- free_contents = contents; + + if (!bfd_get_section_contents (abfd, sec, contents, + (file_ptr) 0, sec->size)) +@@ -2473,25 +2468,26 @@ microblaze_elf_relax_section (bfd *abfd, + } + + elf_section_data (sec)->relocs = internal_relocs; +- free_relocs = NULL; + + elf_section_data (sec)->this_hdr.contents = contents; +- free_contents = NULL; + + symtab_hdr->contents = (bfd_byte *) isymbuf; + } + +- free (free_relocs); +- free_relocs = NULL; ++ if (internal_relocs != NULL ++ && elf_section_data (sec)->relocs != internal_relocs) ++ free (internal_relocs); + +- if (free_contents != NULL) +- { +- if (!link_info->keep_memory) +- free (free_contents); ++ if (contents != NULL ++ && elf_section_data (sec)->this_hdr.contents != contents) ++ { ++ if (! link_info->keep_memory) ++ free (contents); + else +- /* Cache the section contents for elf_link_input_bfd. */ +- elf_section_data (sec)->this_hdr.contents = contents; +- free_contents = NULL; ++ { ++ /* Cache the section contents for elf_link_input_bfd. */ ++ elf_section_data (sec)->this_hdr.contents = contents; ++ } + } + + if (sdata->relax_count == 0) +@@ -2505,8 +2501,16 @@ microblaze_elf_relax_section (bfd *abfd, + return true; + + error_return: +- free (free_relocs); +- free (free_contents); ++ ++ if (isymbuf != NULL ++ && symtab_hdr->contents != (unsigned char *) isymbuf) ++ free (isymbuf); ++ if (internal_relocs != NULL ++ && elf_section_data (sec)->relocs != internal_relocs) ++ free (internal_relocs); ++ if (contents != NULL ++ && elf_section_data (sec)->this_hdr.contents != contents) ++ free (contents); + free (sdata->relax); + sdata->relax = NULL; + sdata->relax_count = 0; +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0038-MB-binutils-Upstream-port-issues.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0038-MB-binutils-Upstream-port-issues.patch new file mode 100644 index 00000000..a27a9807 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0038-MB-binutils-Upstream-port-issues.patch @@ -0,0 +1,83 @@ +From 06e678ebb6c136c85f73ba8a4a064f9050ae47ce Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Sun, 28 Nov 2021 17:17:15 +0530 +Subject: [PATCH 38/54] MB binutils Upstream port issues. + +It's resolving the seg faults with ADDLIK +Conflicts: + bfd/elf64-microblaze.c + +Signed-off-by: Aayush Misra +--- + gas/config/tc-microblaze.c | 2 +- + opcodes/microblaze-dis.c | 12 ++++++------ + opcodes/microblaze-opc.h | 2 +- + 3 files changed, 8 insertions(+), 8 deletions(-) + +Index: gdb-14.2/opcodes/microblaze-dis.c +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-dis.c ++++ gdb-14.2/opcodes/microblaze-dis.c +@@ -153,7 +153,7 @@ get_field_imm16 (struct string_buf *buf, + + static char * + get_field_special (struct string_buf *buf, long instr, +- const struct op_code_struct *op) ++ struct op_code_struct *op) + { + char *p = strbuf (buf); + char *spr; +@@ -226,11 +226,11 @@ get_field_special (struct string_buf *bu + static unsigned long + read_insn_microblaze (bfd_vma memaddr, + struct disassemble_info *info, +- const struct op_code_struct **opr) ++ struct op_code_struct **opr) + { + unsigned char ibytes[4]; + int status; +- const struct op_code_struct *op; ++ struct op_code_struct *op; + unsigned long inst; + + status = info->read_memory_func (memaddr, ibytes, 4, info); +@@ -266,7 +266,7 @@ print_insn_microblaze (bfd_vma memaddr, + fprintf_ftype print_func = info->fprintf_func; + void *stream = info->stream; + unsigned long inst, prev_inst; +- const struct op_code_struct *op, *pop; ++ struct op_code_struct *op, *pop; + int immval = 0; + bool immfound = false; + static bfd_vma prev_insn_addr = -1; /* Init the prev insn addr. */ +@@ -518,7 +518,7 @@ get_insn_microblaze (long inst, + enum microblaze_instr_type *insn_type, + short *delay_slots) + { +- const struct op_code_struct *op; ++ struct op_code_struct *op; + *isunsignedimm = false; + + /* Just a linear search of the table. */ +@@ -560,7 +560,7 @@ microblaze_get_target_address (long inst + bool *targetvalid, + bool *unconditionalbranch) + { +- const struct op_code_struct *op; ++ struct op_code_struct *op; + long targetaddr = 0; + + *unconditionalbranch = false; +Index: gdb-14.2/opcodes/microblaze-opc.h +=================================================================== +--- gdb-14.2.orig/opcodes/microblaze-opc.h ++++ gdb-14.2/opcodes/microblaze-opc.h +@@ -154,7 +154,7 @@ + + #define MAX_OPCODES 424 + +-const struct op_code_struct ++struct op_code_struct + { + const char * name; + short inst_type; /* Registers and immediate values involved. */ diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0039-Initial-port-of-core-reading-support-Added-support-f.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0039-Initial-port-of-core-reading-support-Added-support-f.patch new file mode 100644 index 00000000..3372de27 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0039-Initial-port-of-core-reading-support-Added-support-f.patch @@ -0,0 +1,89 @@ +From e907440fcfce0828efa7b059ef0c6d61c7736d02 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati +Date: Mon, 10 Oct 2022 16:37:53 +0530 +Subject: [PATCH 39/54] Initial port of core reading support Added support for + reading notes in linux core dumps Support for reading of PRSTATUS and PSINFO + information for rebuilding ".reg" sections of core dumps at run time. + +Signed-off-by: David Holsgrove +Signed-off-by: Nathan Rossi +Signed-off-by: Mahesh Bodapati +Signed-off-by: Aayush Misra +--- + gdb/microblaze-linux-tdep.c | 11 +++++++++++ + gdb/microblaze-tdep.c | 37 +++++++++++++++++++++++++++++++++++++ + 2 files changed, 48 insertions(+) + +diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c +index 39592a43f7c..20daef2ccd4 100644 +--- a/gdb/microblaze-linux-tdep.c ++++ b/gdb/microblaze-linux-tdep.c +@@ -193,6 +193,17 @@ microblaze_linux_init_abi (struct gdbarch_info info, + set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); + set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); + ++ /* BFD target for core files. */ ++ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblaze"); ++ else ++ set_gdbarch_gcore_bfd_target (gdbarch, "elf32-microblazeel"); ++ ++ ++ /* Shared library handling. */ ++ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); ++ set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); ++ + /* Enable TLS support. */ + set_gdbarch_fetch_tls_load_module_address (gdbarch, + svr4_fetch_objfile_link_map); +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index d4b9ef837e5..363fee34040 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -957,6 +957,43 @@ make_regs (struct gdbarch *arch) + } + #endif + ++void ++microblaze_supply_gregset (const struct regset *regset, ++ struct regcache *regcache, ++ int regnum, const void *gregs) ++{ ++ const unsigned int *regs = (const unsigned int *)gregs; ++ if (regnum >= 0) ++ regcache->raw_supply (regnum, regs + regnum); ++ ++ if (regnum == -1) { ++ int i; ++ ++ for (i = 0; i < 50; i++) { ++ regcache->raw_supply (i, regs + i); ++ } ++ } ++} ++ ++ ++/* Return the appropriate register set for the core section identified ++ by SECT_NAME and SECT_SIZE. */ ++ ++static void ++microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch, ++ iterate_over_regset_sections_cb *cb, ++ void *cb_data, ++ const struct regcache *regcache) ++{ ++ struct microblaze_gdbarch_tdep *tdep =(microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); ++ ++ cb(".reg", tdep->sizeof_gregset, tdep->sizeof_gregset, tdep->gregset, NULL, cb_data); ++ ++ cb(".reg2", tdep->sizeof_fpregset, tdep->sizeof_fpregset, tdep->fpregset, NULL, cb_data); ++} ++ ++ ++ + static struct gdbarch * + microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + { +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0040-Fix-build-issues-after-Xilinx-2023.2-binutils-merge.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0040-Fix-build-issues-after-Xilinx-2023.2-binutils-merge.patch new file mode 100644 index 00000000..3ea09e7e --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0040-Fix-build-issues-after-Xilinx-2023.2-binutils-merge.patch @@ -0,0 +1,185 @@ +From 73b456c4d8f64ec01b170a49330e6de66716eb1a Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 14 Mar 2024 10:41:33 +0530 +Subject: [PATCH 40/54] Fix build issues after Xilinx 2023.2 binutils merge + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + bfd/bfd-in2.h | 10 ------ + gdb/microblaze-tdep.c | 71 ++++++++++++++-------------------------- + opcodes/microblaze-dis.c | 10 ------ + 3 files changed, 25 insertions(+), 66 deletions(-) + +diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h +index 9dcf233f19f..4b022dbfba1 100644 +--- a/bfd/bfd-in2.h ++++ b/bfd/bfd-in2.h +@@ -6473,11 +6473,6 @@ done here - only used for relaxing */ + * +done here - only used for relaxing */ + BFD_RELOC_MICROBLAZE_64_PCREL, + +-/* This is a 64 bit reloc that stores the 32 bit relative +- * +value in two words (with an imml instruction). No relocation is +- * +done here - only used for relaxing */ +- BFD_RELOC_MICROBLAZE_64, +- + /* This is a 64 bit reloc that stores the 32 bit relative + * +value in two words (with an imml instruction). No relocation is + * +done here - only used for relaxing */ +@@ -6503,11 +6498,6 @@ value in two words (with an imml instruction). The relocation is + PC-relative GOT offset */ + BFD_RELOC_MICROBLAZE_64_GPC, + +-/* This is a 64 bit reloc that stores the 32 bit pc relative +-value in two words (with an imml instruction). The relocation is +-PC-relative GOT offset */ +- BFD_RELOC_MICROBLAZE_64_GPC, +- + /* This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imm instruction). The relocation is + GOT offset */ +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 363fee34040..818306f2197 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -70,6 +70,7 @@ static const char *microblaze_abi_string; + static const char *const microblaze_abi_strings[] = { + "auto", + "m64", ++ NULL + }; + + enum microblaze_abi +@@ -105,7 +106,7 @@ global_microblaze_abi (void) + if (microblaze_abi_strings[i] == microblaze_abi_string) + return (enum microblaze_abi) i; + +-// internal_error (__FILE__, __LINE__, _("unknown ABI string")); ++ internal_error (__FILE__, __LINE__, _("unknown ABI string")); + } + + static void +@@ -894,16 +895,31 @@ microblaze_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int reg) + } + + static void +-microblaze_register_g_packet_guesses (struct gdbarch *gdbarch) ++microblaze_register_g_packet_guesses (struct gdbarch *gdbarch, enum microblaze_abi abi) + { + +- register_remote_g_packet_guess (gdbarch, +- 4 * MICROBLAZE_NUM_CORE_REGS, +- tdesc_microblaze64); ++ if (abi == MICROBLAZE_ABI_M64) ++ { ++ ++ register_remote_g_packet_guess (gdbarch, ++ 8 * MICROBLAZE_NUM_CORE_REGS, ++ tdesc_microblaze64); ++ ++ register_remote_g_packet_guess (gdbarch, ++ 8 * MICROBLAZE_NUM_REGS, ++ tdesc_microblaze64_with_stack_protect); ++ } ++ else ++ { ++ ++ register_remote_g_packet_guess (gdbarch, ++ 4 * MICROBLAZE_NUM_CORE_REGS, ++ tdesc_microblaze); + +- register_remote_g_packet_guess (gdbarch, +- 4 * MICROBLAZE_NUM_REGS, +- tdesc_microblaze64_with_stack_protect); ++ register_remote_g_packet_guess (gdbarch, ++ 4 * MICROBLAZE_NUM_REGS, ++ tdesc_microblaze_with_stack_protect); ++ } + } + + void +@@ -957,43 +973,6 @@ make_regs (struct gdbarch *arch) + } + #endif + +-void +-microblaze_supply_gregset (const struct regset *regset, +- struct regcache *regcache, +- int regnum, const void *gregs) +-{ +- const unsigned int *regs = (const unsigned int *)gregs; +- if (regnum >= 0) +- regcache->raw_supply (regnum, regs + regnum); +- +- if (regnum == -1) { +- int i; +- +- for (i = 0; i < 50; i++) { +- regcache->raw_supply (i, regs + i); +- } +- } +-} +- +- +-/* Return the appropriate register set for the core section identified +- by SECT_NAME and SECT_SIZE. */ +- +-static void +-microblaze_iterate_over_regset_sections (struct gdbarch *gdbarch, +- iterate_over_regset_sections_cb *cb, +- void *cb_data, +- const struct regcache *regcache) +-{ +- struct microblaze_gdbarch_tdep *tdep =(microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); +- +- cb(".reg", tdep->sizeof_gregset, tdep->sizeof_gregset, tdep->gregset, NULL, cb_data); +- +- cb(".reg2", tdep->sizeof_fpregset, tdep->sizeof_fpregset, tdep->fpregset, NULL, cb_data); +-} +- +- +- + static struct gdbarch * + microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + { +@@ -1134,7 +1113,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + + set_gdbarch_unwind_pc (gdbarch, microblaze_unwind_pc); + +- //microblaze_register_g_packet_guesses (gdbarch); ++ // microblaze_register_g_packet_guesses (gdbarch, microblaze_abi); + + frame_base_set_default (gdbarch, µblaze_frame_base); + +diff --git a/opcodes/microblaze-dis.c b/opcodes/microblaze-dis.c +index 540ddecafd4..00712d5eaf1 100644 +--- a/opcodes/microblaze-dis.c ++++ b/opcodes/microblaze-dis.c +@@ -466,10 +466,6 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) + print_func (stream, "\t%s, %s", get_field_r1 (&buf, inst), + get_field_r2 (&buf, inst)); + break; +- case INST_TYPE_IMML: +- print_func (stream, "\t%s", get_field_imml (&buf, inst)); +- /* TODO: Also print symbol */ +- break; + case INST_TYPE_RD_IMM15: + print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), + get_field_imm15 (&buf, inst)); +@@ -484,12 +480,6 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) + case INST_TYPE_RD_IMML: + print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), get_field_imm16 (&buf, inst)); + break; +- /* For bit field insns. */ +- case INST_TYPE_RD_R1_IMMW_IMMS: +- print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst), get_field_r1(&buf, inst), +- get_field_immw (&buf, inst), get_field_imms (&buf, inst)); +- break; +- /* For bit field insns. */ + case INST_TYPE_RD_R1_IMMW_IMMS: + print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst),get_field_r1(&buf, inst),get_field_immw (&buf, inst), get_field_imms (&buf, inst)); + break; +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0041-disable-truncated-register-warning-gdb-remote.c.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0041-disable-truncated-register-warning-gdb-remote.c.patch new file mode 100644 index 00000000..6f5a5f1e --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0041-disable-truncated-register-warning-gdb-remote.c.patch @@ -0,0 +1,26 @@ +From a96aee31c41e4d851531100a0716401c3464f6ef Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 14 Mar 2024 15:44:56 +0530 +Subject: [PATCH 41/54] disable truncated register warning (gdb/remote.c) + +Signed-off-by: Aayush Misra +--- + gdb/remote.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/gdb/remote.c b/gdb/remote.c +index ae08c980efc..8055c8f62e6 100644 +--- a/gdb/remote.c ++++ b/gdb/remote.c +@@ -8678,7 +8678,7 @@ remote_target::process_g_packet (struct regcache *regcache) + if (rsa->regs[i].pnum == -1) + continue; + +- if (offset >= sizeof_g_packet) ++ if (offset >= sizeof_g_packet || (offset + reg_size > sizeof_g_packet)) + rsa->regs[i].in_g_packet = 0; + else if (offset + reg_size > sizeof_g_packet) + error (_("Truncated register %d in remote 'g' packet"), i); +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0042-Fix-unresolved-conflicts-from-binutils_2_42_merge.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0042-Fix-unresolved-conflicts-from-binutils_2_42_merge.patch new file mode 100644 index 00000000..0b5f27b4 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0042-Fix-unresolved-conflicts-from-binutils_2_42_merge.patch @@ -0,0 +1,42 @@ +From f9ffc37f48bd9213e89c8821cd07fc679e113007 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 28 Mar 2024 10:20:48 +0530 +Subject: [PATCH 42/54] Fix unresolved conflicts from binutils_2_42_merge + +opcodes/microblaze-dis.c + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + opcodes/microblaze-dis.c | 15 ++++++++++----- + 1 file changed, 10 insertions(+), 5 deletions(-) + +diff --git a/opcodes/microblaze-dis.c b/opcodes/microblaze-dis.c +index 00712d5eaf1..31dbad46b75 100644 +--- a/opcodes/microblaze-dis.c ++++ b/opcodes/microblaze-dis.c +@@ -478,11 +478,16 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info) + case INST_TYPE_NONE: + break; + case INST_TYPE_RD_IMML: +- print_func (stream, "\t%s, %s", get_field_rd (&buf, inst), get_field_imm16 (&buf, inst)); +- break; +- case INST_TYPE_RD_R1_IMMW_IMMS: +- print_func (stream, "\t%s, %s, %s, %s", get_field_rd (&buf, inst),get_field_r1(&buf, inst),get_field_immw (&buf, inst), get_field_imms (&buf, inst)); +- break; ++ print_func (stream, "\t%s, %s", ++ get_field_rd (&buf, inst), get_field_imm16 (&buf, inst)); ++ break; ++ case INST_TYPE_RD_R1_IMMW_IMMS: ++ print_func (stream, "\t%s, %s, %s, %s", ++ get_field_rd (&buf, inst), ++ get_field_r1(&buf, inst), ++ get_field_immw (&buf, inst), ++ get_field_imms (&buf, inst)); ++ break; + /* For tuqula instruction */ + case INST_TYPE_RD: + print_func (stream, "\t%s", get_field_rd (&buf, inst)); +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0043-microblaze_gdbarch_init-set-microblaze_abi-based-on-.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0043-microblaze_gdbarch_init-set-microblaze_abi-based-on-.patch new file mode 100644 index 00000000..5e1fb44f --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0043-microblaze_gdbarch_init-set-microblaze_abi-based-on-.patch @@ -0,0 +1,177 @@ +From 03df31becbc7dc6d35189fec3b4b2c7dfd3a8103 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 28 Mar 2024 10:59:40 +0530 +Subject: [PATCH 43/54] microblaze_gdbarch_init: set microblaze_abi based on + wanted_abi and found_abi + +Earlier found_abi was declared but not set, instead gdbarch_info info +was checked every time. Also, microblaze_abi remained undefined for 32-bit +machines. As a result, gdb would show 64-bit registers when connecting +to 32-bit targets with all register values garbled (r5 ended up in r2). +This defect is fixed. found_abi is set from gdbarch_info, microblaze_abi +is set based on wanted_abi and found_abi. Now upon connecting to a 32-bit +remote target (mb-qemu) registers have the correct 32-bit size. + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + gdb/microblaze-tdep.c | 73 +++++++++++++++++++------------------------ + 1 file changed, 33 insertions(+), 40 deletions(-) + +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 818306f2197..47863819724 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -116,7 +116,7 @@ show_microblaze_abi (struct ui_file *file, + const char *ignored_value) + { + enum microblaze_abi global_abi = global_microblaze_abi (); +- enum microblaze_abi actual_abi = microblaze_abi (target_gdbarch ()); ++ enum microblaze_abi actual_abi = microblaze_abi (current_inferior ()->arch ()); + const char *actual_abi_str = microblaze_abi_strings[actual_abi]; + + #if 1 +@@ -203,6 +203,13 @@ microblaze_register_name (struct gdbarch *gdbarch, int regnum) + static struct type * + microblaze_register_type (struct gdbarch *gdbarch, int regnum) + { ++ ++ int mb_reg_size = microblaze_abi_regsize(gdbarch); ++ ++ if (gdbarch_debug) ++ gdb_printf (gdb_stdlog, "microblaze_register_type: reg_size = %d\n", ++ mb_reg_size); ++ + if (regnum == MICROBLAZE_SP_REGNUM) + return builtin_type (gdbarch)->builtin_data_ptr; + +@@ -980,34 +987,38 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + enum microblaze_abi microblaze_abi, found_abi, wanted_abi; + const struct target_desc *tdesc = info.target_desc; + ++ /* If there is already a candidate, use it. */ ++ arches = gdbarch_list_lookup_by_info (arches, &info); ++ if ((arches != NULL) && (microblaze_abi != MICROBLAZE_ABI_M64)) ++ return arches->gdbarch; ++ + /* What has the user specified from the command line? */ + wanted_abi = global_microblaze_abi (); + if (gdbarch_debug) + gdb_printf (gdb_stdlog, "microblaze_gdbarch_init: wanted_abi = %d\n", + wanted_abi); ++ ++ found_abi = MICROBLAZE_ABI_AUTO; ++ ++ if (info.bfd_arch_info->mach == bfd_mach_microblaze64) ++ found_abi = MICROBLAZE_ABI_M64; ++ + if (wanted_abi != MICROBLAZE_ABI_AUTO) + microblaze_abi = wanted_abi; +- +- /* If there is already a candidate, use it. */ +- arches = gdbarch_list_lookup_by_info (arches, &info); +- if ((arches != NULL) && (microblaze_abi != MICROBLAZE_ABI_M64)) +- return arches->gdbarch; ++ else ++ microblaze_abi = found_abi; + + if (microblaze_abi == MICROBLAZE_ABI_M64) + { +- tdesc = tdesc_microblaze64; +- reg_size = 8; ++ tdesc = tdesc_microblaze64; ++ reg_size = 8; + } +- if (tdesc == NULL) ++ else + { +- if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) +- { +- tdesc = tdesc_microblaze64; +- reg_size = 8; +- } +- else +- tdesc = tdesc_microblaze; ++ tdesc = tdesc_microblaze; ++ reg_size = 4; + } ++ + /* Check any target description for validity. */ + if (tdesc_has_registers (tdesc)) + { +@@ -1015,7 +1026,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + int valid_p; + int i; + +- if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) ++ if (microblaze_abi == MICROBLAZE_ABI_M64) + feature = tdesc_find_feature (tdesc, + "org.gnu.gdb.microblaze64.core"); + else +@@ -1029,7 +1040,7 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + for (i = 0; i < MICROBLAZE_NUM_REGS; i++) + valid_p &= tdesc_numbered_register (feature, tdesc_data.get(), i, + microblaze_register_names[i]); +- if ((info.bfd_arch_info->mach == bfd_mach_microblaze64) || (microblaze_abi == MICROBLAZE_ABI_M64)) ++ if (microblaze_abi == MICROBLAZE_ABI_M64) + feature = tdesc_find_feature (tdesc, + "org.gnu.gdb.microblaze64.stack-protect"); + else +@@ -1075,15 +1086,11 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + + /* Register set. + make_regs (gdbarch); */ +- switch (info.bfd_arch_info->mach) +- { +- case bfd_mach_microblaze64: +- set_gdbarch_ptr_bit (gdbarch, 64); +- break; +- } +- if(microblaze_abi == MICROBLAZE_ABI_M64) ++ if (microblaze_abi == MICROBLAZE_ABI_M64) + set_gdbarch_ptr_bit (gdbarch, 64); +- ++ else ++ set_gdbarch_ptr_bit (gdbarch, 32); ++ + /* Map Dwarf2 registers to GDB registers. */ + set_gdbarch_dwarf2_reg_to_regnum (gdbarch, microblaze_dwarf2_reg_to_regnum); + +@@ -1105,8 +1112,6 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + microblaze_breakpoint::bp_from_kind); + // set_gdbarch_memory_remove_breakpoint (gdbarch, microblaze_linux_memory_remove_breakpoint); + +-// set_gdbarch_software_single_step (gdbarch, microblaze_software_single_step); +- + set_gdbarch_software_single_step (gdbarch, microblaze_software_single_step); + + set_gdbarch_frame_args_skip (gdbarch, 8); +@@ -1145,9 +1150,6 @@ _initialize_microblaze_tdep () + + gdbarch_register (bfd_arch_microblaze, microblaze_gdbarch_init); + +-// static struct cmd_list_element *setmicroblazecmdlist = NULL; +-// static struct cmd_list_element *showmicroblazecmdlist = NULL; +- + /* Add root prefix command for all "set microblaze"/"show microblaze" commands. */ + + add_setshow_prefix_cmd ("microblaze", no_class, +@@ -1155,15 +1157,6 @@ _initialize_microblaze_tdep () + _("Various microblaze specific commands."), + &setmicroblazecmdlist,&showmicroblazecmdlist, + &setlist,&showlist); +-#if 0 +- add_prefix_cmd ("microblaze", no_class, set_microblaze_command, +- _("Various microblaze specific commands."), +- &setmicroblazecmdlist, "set microblaze ", 0, &setlist); +- +- add_prefix_cmd ("microblaze", no_class, show_microblaze_command, +- _("Various microblaze specific commands."), +- &showmicroblazecmdlist, "show microblaze ", 0, &showlist); +-#endif + + /* Allow the user to override the ABI. */ + add_setshow_enum_cmd ("abi", class_obscure, microblaze_abi_strings, +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0044-Start-bfd_mach_microblaze-values-from-0-0-1-instead-.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0044-Start-bfd_mach_microblaze-values-from-0-0-1-instead-.patch new file mode 100644 index 00000000..f949a982 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0044-Start-bfd_mach_microblaze-values-from-0-0-1-instead-.patch @@ -0,0 +1,32 @@ +From 254bd83017b21301c73e7501c71b2cf128ac18d9 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 28 Mar 2024 11:36:32 +0530 +Subject: [PATCH 44/54] Start bfd_mach_microblaze values from 0 (0,1) instead + of (1,2) + +Before 64-bit support there was only bfd_mach_microblaze (implicitly set to 0), +setting microblaze_mach_microblaze64 to 1 + +Signed-off-by: Aayush Misra +--- + bfd/archures.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/bfd/archures.c b/bfd/archures.c +index 2994a09bc37..e552349319f 100644 +--- a/bfd/archures.c ++++ b/bfd/archures.c +@@ -515,8 +515,8 @@ DESCRIPTION + . bfd_arch_lm32, {* Lattice Mico32. *} + .#define bfd_mach_lm32 1 + . bfd_arch_microblaze,{* Xilinx MicroBlaze. *} +-.#define bfd_mach_microblaze 1 +-.#define bfd_mach_microblaze64 2 ++.#define bfd_mach_microblaze 0 ++.#define bfd_mach_microblaze64 1 + . bfd_arch_kvx, {* Kalray VLIW core of the MPPA processor family *} + .#define bfd_mach_kv3_unknown 0 + .#define bfd_mach_kv3_1 1 +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0045-Fix-build-issues-bfd-reloc.c-add-missing-relocs-used.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0045-Fix-build-issues-bfd-reloc.c-add-missing-relocs-used.patch new file mode 100644 index 00000000..6e4137ef --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0045-Fix-build-issues-bfd-reloc.c-add-missing-relocs-used.patch @@ -0,0 +1,61 @@ +From b2377a83918c814fd3b6ee2cd46a5f413f97a08e Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 28 Mar 2024 15:37:11 +0530 +Subject: [PATCH 45/54] Fix build issues - bfd/reloc.c add missing relocs used + elsewhere + + BFD_RELOC_MICROBLAZE_EA64 + BFD_RELOC_MICROBLAZE_64_GPC + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + bfd/reloc.c | 16 +++++++++++----- + 1 file changed, 11 insertions(+), 5 deletions(-) + +diff --git a/bfd/reloc.c b/bfd/reloc.c +index fc28e27662f..5afe1518cd0 100644 +--- a/bfd/reloc.c ++++ b/bfd/reloc.c +@@ -6672,13 +6672,19 @@ ENUMDOC + This is a 64 bit reloc that stores 64-bit thread pointer relative offset + to two words (uses imml instruction). + ENUM +-BFD_RELOC_MICROBLAZE_64, ++BFD_RELOC_MICROBLAZE_64 + ENUMDOC + This is a 64 bit reloc that stores the 64 bit pc relative + value in two words (with an imml instruction). No relocation is + done here - only used for relaxing + ENUM +-BFD_RELOC_MICROBLAZE_64_PCREL, ++BFD_RELOC_MICROBLAZE_EA64 ++ENUMDOC ++ This is a 64 bit reloc that stores the 64 bit pc relative ++ value in two words (with an imml instruction). No relocation is ++ done here - only used for relaxing ++ENUM ++BFD_RELOC_MICROBLAZE_64_PCREL + ENUMDOC + This is a 32 bit reloc that stores the 32 bit pc relative + value in two words (with an imml instruction). No relocation is +@@ -6721,13 +6727,13 @@ ENUMDOC + value in two words (with an imml instruction). No relocation is + done here - only used for relaxing + ENUM +-BFD_RELOC_MICROBLAZE_64_PCREL, ++BFD_RELOC_MICROBLAZE_64_GOTPC + ENUMDOC +- This is a 32 bit reloc that stores the 32 bit pc relative ++ This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imml instruction). No relocation is + done here - only used for relaxing + ENUM +- BFD_RELOC_MICROBLAZE_64_GOTPC ++ BFD_RELOC_MICROBLAZE_64_GPC + ENUMDOC + This is a 64 bit reloc that stores the 32 bit pc relative + value in two words (with an imml instruction). No relocation is +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0046-Regenerate-bfd-bfd-in2.h-bfd-libbfd.h.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0046-Regenerate-bfd-bfd-in2.h-bfd-libbfd.h.patch new file mode 100644 index 00000000..e9383c6f --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0046-Regenerate-bfd-bfd-in2.h-bfd-libbfd.h.patch @@ -0,0 +1,125 @@ +From 4d201d0a948ab6160f449d41a50a6794dd3efde7 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 28 Mar 2024 15:47:56 +0530 +Subject: [PATCH 46/54] Regenerate - bfd/bfd-in2.h bfd/libbfd.h + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + bfd/bfd-in2.h | 65 +++++++++++++++++++++++++++++---------------------- + 1 file changed, 37 insertions(+), 28 deletions(-) + +diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h +index 4b022dbfba1..171de10910c 100644 +--- a/bfd/bfd-in2.h ++++ b/bfd/bfd-in2.h +@@ -1771,8 +1771,8 @@ enum bfd_architecture + bfd_arch_lm32, /* Lattice Mico32. */ + #define bfd_mach_lm32 1 + bfd_arch_microblaze,/* Xilinx MicroBlaze. */ +-#define bfd_mach_microblaze 1 +-#define bfd_mach_microblaze64 2 ++#define bfd_mach_microblaze 0 ++#define bfd_mach_microblaze64 1 + bfd_arch_kvx, /* Kalray VLIW core of the MPPA processor family */ + #define bfd_mach_kv3_unknown 0 + #define bfd_mach_kv3_1 1 +@@ -6440,9 +6440,27 @@ the linker could optimize the movq to a leaq if possible. */ + /* Relative offset within page of GOT slot. */ + BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12, + +-/* Address of a GOT entry. */ ++/* Address of a GOT entry. ++ ++This is a 64 bit reloc that stores 64-bit thread pointer relative offset ++to two words (uses imml instruction). */ + BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT, + ++/* This is a 64 bit reloc that stores the 64 bit pc relative ++value in two words (with an imml instruction). No relocation is ++done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_64, ++ ++/* This is a 64 bit reloc that stores the 64 bit pc relative ++value in two words (with an imml instruction). No relocation is ++done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_EA64, ++ ++/* This is a 32 bit reloc that stores the 32 bit pc relative ++value in two words (with an imml instruction). No relocation is ++done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_64_PCREL, ++ + /* This is a 32 bit reloc for the microblaze that stores the + low 16 bits of a value */ + BFD_RELOC_MICROBLAZE_32_LO, +@@ -6468,34 +6486,19 @@ value in two words (with an imm instruction). No relocation is + done here - only used for relaxing */ + BFD_RELOC_MICROBLAZE_32_NONE, + +-/* This is a 64 bit reloc that stores the 32 bit pc relative +- * +value in two words (with an imml instruction). No relocation is +- * +done here - only used for relaxing */ +- BFD_RELOC_MICROBLAZE_64_PCREL, +- +-/* This is a 64 bit reloc that stores the 32 bit relative +- * +value in two words (with an imml instruction). No relocation is +- * +done here - only used for relaxing */ +- BFD_RELOC_MICROBLAZE_EA64, +- +-/* This is a 64 bit reloc that stores the 32 bit pc relative +- * +value in two words (with an imm instruction). No relocation is +- * +done here - only used for relaxing */ +- BFD_RELOC_MICROBLAZE_64_NONE, +- +-/* This is a 64 bit reloc that stores the 32 bit pc relative +- * +value in two words (with an imml instruction). No relocation is +- * +done here - only used for relaxing */ +- BFD_RELOC_MICROBLAZE_64, ++/* This is a 32 bit reloc that stores the 32 bit pc relative ++value in two words (with an imml instruction). No relocation is ++done here - only used for relaxing */ ++ BFD_RELOC_MICROBLAZE_64_NONE, + + /* This is a 64 bit reloc that stores the 32 bit pc relative +-value in two words (with an imm instruction). The relocation is +-PC-relative GOT offset */ ++value in two words (with an imml instruction). No relocation is ++done here - only used for relaxing */ + BFD_RELOC_MICROBLAZE_64_GOTPC, + + /* This is a 64 bit reloc that stores the 32 bit pc relative +-value in two words (with an imml instruction). The relocation is +-PC-relative GOT offset */ ++value in two words (with an imml instruction). No relocation is ++done here - only used for relaxing */ + BFD_RELOC_MICROBLAZE_64_GPC, + + /* This is a 64 bit reloc that stores the 32 bit pc relative +@@ -7199,7 +7202,10 @@ assembler and not (currently) written to any object files. */ + BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HA, + BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HA, + +-/* Tilera TILE-Gx Relocations. */ ++/* Tilera TILE-Gx Relocations. ++ ++This is a 64 bit reloc that stores 64-bit thread pointer relative offset ++to two words (uses imml instruction). */ + BFD_RELOC_TILEGX_HW0, + BFD_RELOC_TILEGX_HW1, + BFD_RELOC_TILEGX_HW2, +@@ -7310,7 +7316,10 @@ assembler and not (currently) written to any object files. */ + BFD_RELOC_TILEGX_IMM8_Y0_TLS_ADD, + BFD_RELOC_TILEGX_IMM8_Y1_TLS_ADD, + +-/* Linux eBPF relocations. */ ++/* Linux eBPF relocations. ++ ++This is a 64 bit reloc that stores 64-bit thread pointer relative offset ++to two words (uses imml instruction). */ + BFD_RELOC_BPF_64, + BFD_RELOC_BPF_DISP32, + BFD_RELOC_BPF_DISPCALL32, +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0047-gdb-remote.c-revert-earlier-change-to-process_g_pack.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0047-gdb-remote.c-revert-earlier-change-to-process_g_pack.patch new file mode 100644 index 00000000..d31eb8ee --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0047-gdb-remote.c-revert-earlier-change-to-process_g_pack.patch @@ -0,0 +1,32 @@ +From 2a1036ac7639aa3b67b1f1ad7e1a6e7c4c22704b Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 28 Mar 2024 16:32:22 +0530 +Subject: [PATCH 47/54] gdb/remote.c - revert earlier change to + process_g_packet + +When connecting to remote target, gdb (microblaze-xilinx-elf) was +generating Truncated register 29 error when parsing the g packet, +workaround added being reverted. + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + gdb/remote.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/gdb/remote.c b/gdb/remote.c +index 8055c8f62e6..ae08c980efc 100644 +--- a/gdb/remote.c ++++ b/gdb/remote.c +@@ -8678,7 +8678,7 @@ remote_target::process_g_packet (struct regcache *regcache) + if (rsa->regs[i].pnum == -1) + continue; + +- if (offset >= sizeof_g_packet || (offset + reg_size > sizeof_g_packet)) ++ if (offset >= sizeof_g_packet) + rsa->regs[i].in_g_packet = 0; + else if (offset + reg_size > sizeof_g_packet) + error (_("Truncated register %d in remote 'g' packet"), i); +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0048-Fix-build-issues-after-Xilinx-2023.2-binutils-patch-.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0048-Fix-build-issues-after-Xilinx-2023.2-binutils-patch-.patch new file mode 100644 index 00000000..f9cbb4a6 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0048-Fix-build-issues-after-Xilinx-2023.2-binutils-patch-.patch @@ -0,0 +1,46 @@ +From 6a5887919f00da84c973ec61c59efcd7d0fb120e Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Mon, 1 Apr 2024 16:21:28 +0530 +Subject: [PATCH 48/54] Fix build issues after Xilinx 2023.2 binutils patch + merge + +binutils/readelf.c - duplicate case statement +gas/config/tc-microblaze.c - Missing , between array elements +gas/config/tc-microblaze.c - A whole hunk ended up in wrong function/switch + +Signed-off-by: Aayush Misra +--- + bfd/libbfd.h | 6 +- + binutils/readelf.c | 5 - + gas/config/tc-microblaze.c | 375 +++++++++++++++++++------------------ + 3 files changed, 192 insertions(+), 194 deletions(-) + +Index: gdb-14.2/bfd/libbfd.h +=================================================================== +--- gdb-14.2.orig/bfd/libbfd.h ++++ gdb-14.2/bfd/libbfd.h +@@ -3005,6 +3005,9 @@ static const char *const bfd_reloc_code_ + "BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21", + "BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12", + "BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT", ++ "BFD_RELOC_MICROBLAZE_64", ++ "BFD_RELOC_MICROBLAZE_EA64", ++ "BFD_RELOC_MICROBLAZE_64_PCREL", + "BFD_RELOC_MICROBLAZE_32_LO", + "BFD_RELOC_MICROBLAZE_32_LO_PCREL", + "BFD_RELOC_MICROBLAZE_32_ROSDA", +@@ -3013,13 +3016,12 @@ static const char *const bfd_reloc_code_ + "BFD_RELOC_MICROBLAZE_32_NONE", + "BFD_RELOC_MICROBLAZE_64_NONE", + "BFD_RELOC_MICROBLAZE_64_GOTPC", ++ "BFD_RELOC_MICROBLAZE_64_GPC", + "BFD_RELOC_MICROBLAZE_64_GOT", + "BFD_RELOC_MICROBLAZE_64_PLT", + "BFD_RELOC_MICROBLAZE_64_GOTOFF", + "BFD_RELOC_MICROBLAZE_32_GOTOFF", + "BFD_RELOC_MICROBLAZE_COPY", +- "BFD_RELOC_MICROBLAZE_64", +- "BFD_RELOC_MICROBLAZE_64_PCREL", + "BFD_RELOC_MICROBLAZE_64_TLS", + "BFD_RELOC_MICROBLAZE_64_TLSGD", + "BFD_RELOC_MICROBLAZE_64_TLSLD", diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0049-Add-back-R_MICROBLAZE_NONE-for-linker-relaxation-pro.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0049-Add-back-R_MICROBLAZE_NONE-for-linker-relaxation-pro.patch new file mode 100644 index 00000000..76fcef7d --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0049-Add-back-R_MICROBLAZE_NONE-for-linker-relaxation-pro.patch @@ -0,0 +1,27 @@ +From bf491bdb2e4d30c14968be096969da700dedfc64 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Wed, 17 Apr 2024 16:14:14 +0530 +Subject: [PATCH 49/54] Add back R_MICROBLAZE_NONE for linker relaxation + processing + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + bfd/elf32-microblaze.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c +index 554a80ae0e4..ec6613b6572 100644 +--- a/bfd/elf32-microblaze.c ++++ b/bfd/elf32-microblaze.c +@@ -2102,6 +2102,7 @@ microblaze_elf_relax_section (bfd *abfd, + irel->r_addend); + } + break; ++ case R_MICROBLAZE_NONE: + case R_MICROBLAZE_32_NONE: + { + /* This was a PC-relative instruction that was +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0050-When-unwinding-pc-value-adjust-return-pc-value.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0050-When-unwinding-pc-value-adjust-return-pc-value.patch new file mode 100644 index 00000000..c9da78c3 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0050-When-unwinding-pc-value-adjust-return-pc-value.patch @@ -0,0 +1,92 @@ +From d8b25fd6d8cac000bb8f5ad65ada949447322fca Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Wed, 1 May 2024 11:12:32 +0530 +Subject: [PATCH 50/54] When unwinding pc value, adjust return pc value + +A call (branch and link) instruction can include a delay slot, the +value of pc stored in the link register for Microblaze architecture +is the pc value corresponding to last executed instruction (call) +in the caller. The return instruction (branch reg) includes an +offset of 8 so that when function returns execution continues from +the address at : link register + 8, as the instruction in delay slot +(link register + 4) is already executed at the time of call. + +Handle this by adjusting pc value during unwind-pc. + +Basically restoring code to do this that seems to have been removed +as part of a gdb patch (gdb patch #8, Xilinx Yocto 2023.2) + +That patch caused hundreds of regressions in gdb testuite, including +gdb.base/advance.exp, which is now fixed. + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + gdb/microblaze-tdep.c | 24 ++++++++++++++++++------ + 1 file changed, 18 insertions(+), 6 deletions(-) + +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 47863819724..f87e406ada0 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -523,6 +523,12 @@ microblaze_unwind_pc (struct gdbarch *gdbarch, frame_info_ptr next_frame) + { + CORE_ADDR pc; + pc=frame_unwind_register_unsigned (next_frame, MICROBLAZE_PC_REGNUM); ++ /* For sentinel frame, return address is actual PC. For other frames, ++ return address is pc+8. This is a workaround because gcc does not ++ generate correct return address in CIE. */ ++ if (frame_relative_level (next_frame) >= 0) ++ pc = pc + 8; ++ microblaze_debug ("unwind pc = 0x%x\n", (int) pc); + return pc; + } + +@@ -615,6 +621,7 @@ microblaze_frame_prev_register (frame_info_ptr this_frame, + struct microblaze_frame_cache *cache = + microblaze_frame_cache (this_frame, this_cache); + ++#if 1 + if ((regnum == MICROBLAZE_SP_REGNUM && + cache->register_offsets[MICROBLAZE_SP_REGNUM]) + || (regnum == MICROBLAZE_FP_REGNUM && +@@ -625,15 +632,22 @@ if ((regnum == MICROBLAZE_SP_REGNUM && + + if (regnum == MICROBLAZE_PC_REGNUM) + { +- regnum = 15; ++ regnum = MICROBLAZE_PREV_PC_REGNUM; ++ ++ microblaze_debug ("prev pc is r15 @ frame offset 0x%x\n", ++ (int) cache->register_offsets[regnum] ); ++ + return frame_unwind_got_memory (this_frame, regnum, + cache->register_offsets[MICROBLAZE_PREV_PC_REGNUM]); +- + } ++ + if (regnum == MICROBLAZE_SP_REGNUM) + regnum = 1; +-#if 0 + ++ return trad_frame_get_prev_register (this_frame, cache->saved_regs, ++ regnum); ++ ++#else + if (cache->frameless_p) + { + if (regnum == MICROBLAZE_PC_REGNUM) +@@ -646,9 +660,7 @@ if (regnum == MICROBLAZE_SP_REGNUM) + else + return trad_frame_get_prev_register (this_frame, cache->saved_regs, + regnum); +-#endif +- return trad_frame_get_prev_register (this_frame, cache->saved_regs, +- regnum); ++#endif + } + + static const struct frame_unwind microblaze_frame_unwind = +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0051-info-reg-pc-does-not-print-symbolic-value.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0051-info-reg-pc-does-not-print-symbolic-value.patch new file mode 100644 index 00000000..887ee56e --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0051-info-reg-pc-does-not-print-symbolic-value.patch @@ -0,0 +1,116 @@ +From 66c0cc9a030667111d4b632314502e868e5e8e37 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 9 May 2024 11:30:22 +0530 +Subject: [PATCH 51/54] info reg pc does not print symbolic value + +Problem - Test gdb.base/pc-fp.exp fails +Fix - Change feature/microblaze-core.xml add type=code_ptr for pc + +Files changed + features/microblaze-core.xml + features/microblaze.c (generated) + features/microblaze-with-stack-protect.c (generated) + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + gdb/features/microblaze-core.xml | 4 ++-- + gdb/features/microblaze-with-stack-protect.c | 10 ++++++---- + gdb/features/microblaze.c | 8 ++++---- + 3 files changed, 12 insertions(+), 10 deletions(-) + +diff --git a/gdb/features/microblaze-core.xml b/gdb/features/microblaze-core.xml +index ac052365773..205cdf94a27 100644 +--- a/gdb/features/microblaze-core.xml ++++ b/gdb/features/microblaze-core.xml +@@ -8,7 +8,7 @@ + + + +- ++ + + + +@@ -39,7 +39,7 @@ + + + +- ++ + + + +diff --git a/gdb/features/microblaze-with-stack-protect.c b/gdb/features/microblaze-with-stack-protect.c +index 8ab9565a047..95e3eed1a4e 100644 +--- a/gdb/features/microblaze-with-stack-protect.c ++++ b/gdb/features/microblaze-with-stack-protect.c +@@ -14,7 +14,7 @@ initialize_tdesc_microblaze_with_stack_protect (void) + + feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.core"); + tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "data_ptr"); + tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int"); +@@ -45,7 +45,7 @@ initialize_tdesc_microblaze_with_stack_protect (void) + tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "code_ptr"); + tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rear", 34, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); +@@ -70,10 +70,12 @@ initialize_tdesc_microblaze_with_stack_protect (void) + tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); +- +- feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.stack-protect"); + tdesc_create_reg (feature, "slr", 57, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "shr", 58, 1, NULL, 32, "int"); + ++ feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.stack-protect"); ++ tdesc_create_reg (feature, "slr", 59, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "shr", 60, 1, NULL, 32, "int"); ++ + tdesc_microblaze_with_stack_protect = result.release (); + } +diff --git a/gdb/features/microblaze.c b/gdb/features/microblaze.c +index ed12e5bcfd2..ff4865b2acc 100644 +--- a/gdb/features/microblaze.c ++++ b/gdb/features/microblaze.c +@@ -14,7 +14,7 @@ initialize_tdesc_microblaze (void) + + feature = tdesc_create_feature (result.get (), "org.gnu.gdb.microblaze.core"); + tdesc_create_reg (feature, "r0", 0, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "r1", 1, 1, NULL, 32, "data_ptr"); + tdesc_create_reg (feature, "r2", 2, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r3", 3, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r4", 4, 1, NULL, 32, "int"); +@@ -45,7 +45,7 @@ initialize_tdesc_microblaze (void) + tdesc_create_reg (feature, "r29", 29, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r30", 30, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "r31", 31, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "rpc", 32, 1, NULL, 32, "code_ptr"); + tdesc_create_reg (feature, "rmsr", 33, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rear", 34, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "resr", 35, 1, NULL, 32, "int"); +@@ -70,8 +70,8 @@ initialize_tdesc_microblaze (void) + tdesc_create_reg (feature, "rtlbsx", 54, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rtlblo", 55, 1, NULL, 32, "int"); + tdesc_create_reg (feature, "rtlbhi", 56, 1, NULL, 32, "int"); +- tdesc_create_reg (feature, "slr", 57, 1, NULL, 64, "uint64"); +- tdesc_create_reg (feature, "shr", 58, 1, NULL, 64, "uint64"); ++ tdesc_create_reg (feature, "slr", 57, 1, NULL, 32, "int"); ++ tdesc_create_reg (feature, "shr", 58, 1, NULL, 32, "int"); + + tdesc_microblaze = result.release (); + } +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0052-Wrong-target-description-accepted-by-microblaze-arch.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0052-Wrong-target-description-accepted-by-microblaze-arch.patch new file mode 100644 index 00000000..89318eec --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0052-Wrong-target-description-accepted-by-microblaze-arch.patch @@ -0,0 +1,51 @@ +From 0982e0c2733aa773d88876e68320b072e5b2a9ad Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 9 May 2024 11:34:04 +0530 +Subject: [PATCH 52/54] Wrong target description accepted by microblaze + architecture + +Fix - Modify microblaze_gdbarch_init, set tdesc only when it is NULL + +Files changed - gdb/microblaze-tdep.c + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + gdb/microblaze-tdep.c | 21 ++++++++++++--------- + 1 file changed, 12 insertions(+), 9 deletions(-) + +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index f87e406ada0..4d8c76bcf4c 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -1020,15 +1020,18 @@ microblaze_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) + else + microblaze_abi = found_abi; + +- if (microblaze_abi == MICROBLAZE_ABI_M64) +- { +- tdesc = tdesc_microblaze64; +- reg_size = 8; +- } +- else +- { +- tdesc = tdesc_microblaze; +- reg_size = 4; ++ if (tdesc == NULL) ++ { ++ if (microblaze_abi == MICROBLAZE_ABI_M64) ++ { ++ tdesc = tdesc_microblaze64; ++ reg_size = 8; ++ } ++ else ++ { ++ tdesc = tdesc_microblaze; ++ reg_size = 4; ++ } + } + + /* Check any target description for validity. */ +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0053-Merge-gdb-microblaze-linux-tdep.c-to-gdb-14-and-fix-.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0053-Merge-gdb-microblaze-linux-tdep.c-to-gdb-14-and-fix-.patch new file mode 100644 index 00000000..2cb3ff06 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0053-Merge-gdb-microblaze-linux-tdep.c-to-gdb-14-and-fix-.patch @@ -0,0 +1,42 @@ +From 31b8744afcb31825083a23bbc08b6e00772ebd07 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Thu, 23 May 2024 16:02:59 +0530 +Subject: [PATCH 53/54] Merge gdb/microblaze-linux-tdep.c to gdb-14 and fix + compilation issues. + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + gdb/microblaze-linux-tdep.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +diff --git a/gdb/microblaze-linux-tdep.c b/gdb/microblaze-linux-tdep.c +index 20daef2ccd4..16d3a0b5196 100644 +--- a/gdb/microblaze-linux-tdep.c ++++ b/gdb/microblaze-linux-tdep.c +@@ -48,10 +48,12 @@ microblaze_debug (const char *fmt, ...) + if (microblaze_debug_flag) + { + va_list args; ++ string_file file (gdb_stdout->can_emit_style_escape ()); + + va_start (args, fmt); + printf_unfiltered ("MICROBLAZE LINUX: "); +- vprintf_unfiltered (fmt, args); ++ file.vprintf (fmt, args); ++ gdb_stdout->puts_unfiltered (file.string ().c_str ()); + va_end (args); + } + } +@@ -145,7 +147,7 @@ static void + microblaze_linux_init_abi (struct gdbarch_info info, + struct gdbarch *gdbarch) + { +- struct microblaze_gdbarch_tdep *tdep =(microblaze_gdbarch_tdep *) gdbarch_tdep (gdbarch); ++ struct microblaze_gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + tdep->sizeof_gregset = 200; + +-- +2.34.1 + diff --git a/meta-microblaze/recipes-devtools/gdb/gdb/0054-Roll-back-an-improvement-which-inlines-target_gdbarc.patch b/meta-microblaze/recipes-devtools/gdb/gdb/0054-Roll-back-an-improvement-which-inlines-target_gdbarc.patch new file mode 100644 index 00000000..eb6bde20 --- /dev/null +++ b/meta-microblaze/recipes-devtools/gdb/gdb/0054-Roll-back-an-improvement-which-inlines-target_gdbarc.patch @@ -0,0 +1,29 @@ +From 8a7a8b724a87c532096004f43b987c352474a905 Mon Sep 17 00:00:00 2001 +From: Gopi Kumar Bulusu +Date: Fri, 19 Jul 2024 12:39:24 +0530 +Subject: [PATCH 54/54] Roll back an improvement which inlines target_gdbarch + () inherited from binutils 2.42 merge that causes compilation issues on gdb + 14.2 + +Signed-off-by: Gopi Kumar Bulusu +Signed-off-by: Aayush Misra +--- + gdb/microblaze-tdep.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c +index 4d8c76bcf4c..cb6697654b0 100644 +--- a/gdb/microblaze-tdep.c ++++ b/gdb/microblaze-tdep.c +@@ -116,7 +116,7 @@ show_microblaze_abi (struct ui_file *file, + const char *ignored_value) + { + enum microblaze_abi global_abi = global_microblaze_abi (); +- enum microblaze_abi actual_abi = microblaze_abi (current_inferior ()->arch ()); ++ enum microblaze_abi actual_abi = microblaze_abi ( target_gdbarch () ); + const char *actual_abi_str = microblaze_abi_strings[actual_abi]; + + #if 1 +-- +2.34.1 + -- cgit v1.2.3-54-g00ecf