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FFmpeg/libavcodec/libpostproc/mangle.h
Drew Hess a2c3bf82a7 fixes for PIC code on x86-64 patch by (Drew Hess <drew.hess gmail com>)
Originally committed as revision 3757 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-12-18 03:07:15 +00:00

29 lines
791 B
C

/* mangle.h - This file has some CPP macros to deal with different symbol
* mangling across binary formats.
* (c)2002 by Felix Buenemann <atmosfear at users.sourceforge.net>
* File licensed under the GPL, see http://www.fsf.org/ for more info.
*/
#ifndef __MANGLE_H
#define __MANGLE_H
/* Feel free to add more to the list, eg. a.out IMO */
/* Use rip-relative addressing if compiling PIC code on x86-64. */
#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__OS2__) || \
(defined(__OpenBSD__) && !defined(__ELF__))
#if defined(ARCH_X86_64) && defined(PIC)
#define MANGLE(a) "_" #a"(%%rip)"
#else
#define MANGLE(a) "_" #a
#endif
#else
#if defined(ARCH_X86_64) && defined(PIC)
#define MANGLE(a) #a"(%%rip)"
#else
#define MANGLE(a) #a
#endif
#endif
#endif /* !__MANGLE_H */