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From 25822f417240f38c302562f89a29c8e67fc84648 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 23 Dec 2018 16:58:04 -0800
Subject: [PATCH] chromium: stack pointer clobber
Do not add stack pointer to clobber list
it was being ignored until gcc 9.0 became capable
of flagging this silent ignoring via [1]
[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52813<Paste>
Upstream-Status: Submitted [https://chromium-review.googlesource.com/c/linux-syscall-support/+/1390160]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
chromium/third_party/lss/linux_syscall_support.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/chromium/third_party/lss/linux_syscall_support.h b/chromium/third_party/lss/linux_syscall_support.h
index 9276f5627af..622cc1fbf7e 100644
--- a/chromium/third_party/lss/linux_syscall_support.h
+++ b/chromium/third_party/lss/linux_syscall_support.h
@@ -2012,7 +2012,7 @@ struct kernel_statfs {
: "i" (__NR_##name), "ri" ((long)(arg1)), \
"c" ((long)(arg2)), "d" ((long)(arg3)), \
"S" ((long)(arg4)), "D" ((long)(arg5)) \
- : "esp", "memory"); \
+ : "memory"); \
LSS_RETURN(type,__res); \
}
#undef _syscall6
@@ -2034,7 +2034,7 @@ struct kernel_statfs {
: "i" (__NR_##name), "0" ((long)(&__s)), \
"c" ((long)(arg2)), "d" ((long)(arg3)), \
"S" ((long)(arg4)), "D" ((long)(arg5)) \
- : "esp", "memory"); \
+ : "memory"); \
LSS_RETURN(type,__res); \
}
LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack,
@@ -2120,7 +2120,7 @@ struct kernel_statfs {
: "0"(-EINVAL), "i"(__NR_clone),
"m"(fn), "m"(child_stack), "m"(flags), "m"(arg),
"m"(parent_tidptr), "m"(newtls), "m"(child_tidptr)
- : "esp", "memory", "ecx", "edx", "esi", "edi");
+ : "memory", "ecx", "edx", "esi", "edi");
LSS_RETURN(int, __res);
}
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