diff options
Diffstat (limited to 'libavutil/x86')
| -rw-r--r-- | libavutil/x86/asm.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavutil/x86/asm.h b/libavutil/x86/asm.h index b447fabb57..a43ab3c074 100644 --- a/libavutil/x86/asm.h +++ b/libavutil/x86/asm.h @@ -95,4 +95,16 @@ typedef int x86_reg; # define XMM_CLOBBERS_ONLY(...) #endif +/* Use to export labels from asm. */ +#define LABEL_MANGLE(a) EXTERN_PREFIX #a + +// Use rip-relative addressing if compiling PIC code on x86-64. +#if ARCH_X86_64 && defined(PIC) +# define LOCAL_MANGLE(a) #a "(%%rip)" +#else +# define LOCAL_MANGLE(a) #a +#endif + +#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a) + #endif /* AVUTIL_X86_ASM_H */ |