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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>
--- a/src/third_party/lss/linux_syscall_support.h
+++ b/src/third_party/lss/linux_syscall_support.h
@@ -1966,7 +1966,7 @@ struct kernel_statfs {
__asm__ volatile(LSS_ENTRYPOINT \
: "=a" (__res) \
: "0" (__NR_##name) \
- : "esp", "memory"); \
+ : "memory"); \
LSS_RETURN(type,__res); \
}
#undef _syscall1
@@ -2407,7 +2407,7 @@ struct kernel_statfs {
"d"(LSS_SYSCALL_ARG(parent_tidptr)),
"r"(LSS_SYSCALL_ARG(newtls)),
"r"(LSS_SYSCALL_ARG(child_tidptr))
- : "rsp", "memory", "r8", "r10", "r11", "rcx");
+ : "memory", "r8", "r10", "r11", "rcx");
}
LSS_RETURN(int, __res);
}
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