diff options
Diffstat (limited to 'src/liblzma/check/crc_common.h')
| -rw-r--r-- | src/liblzma/check/crc_common.h | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/src/liblzma/check/crc_common.h b/src/liblzma/check/crc_common.h index 5a86556f..856665db 100644 --- a/src/liblzma/check/crc_common.h +++ b/src/liblzma/check/crc_common.h @@ -128,31 +128,6 @@ # endif #endif -#ifdef CRC_USE_IFUNC -// Two function attributes are needed to make IFUNC safe with GCC. -// -// no-omit-frame-pointer prevents false Valgrind issues when combined with -// a few other compiler flags. The optimize attribute is supported on -// GCC >= 4.4 and is not supported with Clang. -# if TUKLIB_GNUC_REQ(4,4) && !defined(__clang__) -# define no_omit_frame_pointer \ - __attribute__((optimize("no-omit-frame-pointer"))) -# else -# define no_omit_frame_pointer -# endif - -// The __no_profile_instrument_function__ attribute support is checked when -// determining if ifunc can be used, so it is safe to use unconditionally. -// This attribute is needed because GCC can add profiling to the IFUNC -// resolver, which calls functions that have not yet been relocated leading -// to a crash on liblzma start up. -# define lzma_resolver_attributes \ - __attribute__((__no_profile_instrument_function__)) \ - no_omit_frame_pointer -#else -# define lzma_resolver_attributes -#endif - // For CRC32 use the generic slice-by-eight implementation if no optimized // version is available. #if !defined(CRC32_ARCH_OPTIMIZED) && !defined(CRC32_GENERIC) |