gdb: Add MicroBlaze support

* Import Xilinx gdb patches for MicroBlaze
* Disable dependence on LTTng-UST for MicroBlaze, it is not supported

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/recipes-devtools/gdb/files/0005-Fix-debug-message-when-register-is-unavailable.patch b/recipes-devtools/gdb/files/0005-Fix-debug-message-when-register-is-unavailable.patch
new file mode 100644
index 00000000..67520f4c
--- /dev/null
+++ b/recipes-devtools/gdb/files/0005-Fix-debug-message-when-register-is-unavailable.patch
@@ -0,0 +1,40 @@
+From: Nathan Rossi <nathan.rossi@petalogix.com>
+Date: Tue, 8 May 2012 18:11:17 +1000
+Subject: Fix debug message when register is unavailable
+
+Signed-off-by: Nathan Rossi <nathan.rossi@petalogix.com>
+Upstream-Status: Pending
+---
+ gdb/frame.c |   13 ++++++++++---
+ 1 file changed, 10 insertions(+), 3 deletions(-)
+
+diff --git a/gdb/frame.c b/gdb/frame.c
+index 4b8ab60..7ad7cb3 100644
+--- a/gdb/frame.c
++++ b/gdb/frame.c
+@@ -979,12 +979,19 @@ frame_unwind_register_value (struct frame_info *frame, int regnum)
+          else
+            {
+              int i;
+-             const gdb_byte *buf = value_contents (value);
++             const gdb_byte *buf = NULL;
++             if (value_entirely_available(value)) {
++               buf = value_contents (value);
++             }
+ 
+              fprintf_unfiltered (gdb_stdlog, " bytes=");
+              fprintf_unfiltered (gdb_stdlog, "[");
+-             for (i = 0; i < register_size (gdbarch, regnum); i++)
+-               fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]);
++             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, "]");
+            }
+        }
+-- 
+1.7.9.5
+