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| author | Namhyung Kim <namhyung@kernel.org> | 2024-10-14 10:45:28 -0700 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2024-10-14 10:45:28 -0700 |
| commit | 77b679453d3364688ff3e5153c0be5b2b52672b7 (patch) | |
| tree | 2279ec3271529a6a4dcec324930a1f46238ffd66 /tools/include/nolibc/compiler.h | |
| parent | 1a3d6a9723d4dbdad41dad67b66a64d4a84c5f5c (diff) | |
| parent | 8e929cb546ee42c9a61d24fae60605e9e3192354 (diff) | |
Merge tag 'v6.12-rc3' into perf-tools-next
To get the fixes in the current perf-tools tree.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/include/nolibc/compiler.h')
| -rw-r--r-- | tools/include/nolibc/compiler.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/tools/include/nolibc/compiler.h b/tools/include/nolibc/compiler.h index beddc3665d69..9bc6a706a332 100644 --- a/tools/include/nolibc/compiler.h +++ b/tools/include/nolibc/compiler.h @@ -6,20 +6,30 @@ #ifndef _NOLIBC_COMPILER_H #define _NOLIBC_COMPILER_H +#if defined(__has_attribute) +# define __nolibc_has_attribute(attr) __has_attribute(attr) +#else +# define __nolibc_has_attribute(attr) 0 +#endif + +#if __nolibc_has_attribute(naked) +# define __nolibc_entrypoint __attribute__((naked)) +# define __nolibc_entrypoint_epilogue() +#else +# define __nolibc_entrypoint __attribute__((optimize("Os", "omit-frame-pointer"))) +# define __nolibc_entrypoint_epilogue() __builtin_unreachable() +#endif /* __nolibc_has_attribute(naked) */ + #if defined(__SSP__) || defined(__SSP_STRONG__) || defined(__SSP_ALL__) || defined(__SSP_EXPLICIT__) #define _NOLIBC_STACKPROTECTOR #endif /* defined(__SSP__) ... */ -#if defined(__has_attribute) -# if __has_attribute(no_stack_protector) -# define __no_stack_protector __attribute__((no_stack_protector)) -# else -# define __no_stack_protector __attribute__((__optimize__("-fno-stack-protector"))) -# endif +#if __nolibc_has_attribute(no_stack_protector) +# define __no_stack_protector __attribute__((no_stack_protector)) #else # define __no_stack_protector __attribute__((__optimize__("-fno-stack-protector"))) -#endif /* defined(__has_attribute) */ +#endif /* __nolibc_has_attribute(no_stack_protector) */ #endif /* _NOLIBC_COMPILER_H */ |