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Add LABEL_MANGLE() to export label symbols from inside asm blocks.

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Originally committed as revision 18934 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla 2009-05-25 01:50:37 +00:00
parent e9356be524
commit 7d9beec775
1 changed files with 3 additions and 0 deletions
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3
libavutil/internal.h
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@ -99,6 +99,9 @@
# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F)) # define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
#endif #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. // Use rip-relative addressing if compiling PIC code on x86-64.
#if ARCH_X86_64 && defined(PIC) #if ARCH_X86_64 && defined(PIC)
# define LOCAL_MANGLE(a) #a "(%%rip)" # define LOCAL_MANGLE(a) #a "(%%rip)"