OpenLibm/include/cdefs-compat.h
2012-05-25 21:25:13 -04:00

73 lines
1.8 KiB
C

#ifndef _CDEFS_COMPAT_H_
#define _CDEFS_COMPAT_H_
#if (defined(_WIN32) || defined (_MSC_VER)) && !defined(__WIN32__)
#define __WIN32__
#endif
#ifndef __WIN32__
#include "sys/cdefs.h"
#else /* __WIN32__ */
#if defined(__cplusplus)
#define __BEGIN_DECLS extern "C" {
#define __END_DECLS }
#else
#define __BEGIN_DECLS
#define __END_DECLS
#endif
#define _SYS_CDEFS_H_
#endif /* __WIN32__ */
#ifdef __GNUC__
#ifndef __strong_reference
#define __strong_reference(sym,aliassym)
//extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)));
#endif /* __strong_reference */
#ifndef __weak_reference
#ifdef __ELF__
#ifdef __STDC__
#define __weak_reference(sym,alias) \
__asm__(".weak " #alias); \
__asm__(".equ " #alias ", " #sym)
#define __warn_references(sym,msg) \
__asm__(".section .gnu.warning." #sym); \
__asm__(".asciz \"" msg "\""); \
__asm__(".previous")
#else
#define __weak_reference(sym,alias) \
__asm__(".weak alias"); \
__asm__(".equ alias, sym")
#define __warn_references(sym,msg) \
__asm__(".section .gnu.warning.sym"); \
__asm__(".asciz \"msg\""); \
__asm__(".previous")
#endif /* __STDC__ */
#else /* !__ELF__ */
#ifdef __STDC__
#define __weak_reference(sym,alias) \
__asm__(".stabs \"_" #alias "\",11,0,0,0"); \
__asm__(".stabs \"_" #sym "\",1,0,0,0")
#define __warn_references(sym,msg) \
__asm__(".stabs \"" msg "\",30,0,0,0"); \
__asm__(".stabs \"_" #sym "\",1,0,0,0")
#else
#define __weak_reference(sym,alias) \
__asm__(".stabs \"_/**/alias\",11,0,0,0"); \
__asm__(".stabs \"_/**/sym\",1,0,0,0")
#define __warn_references(sym,msg) \
__asm__(".stabs msg,30,0,0,0"); \
__asm__(".stabs \"_/**/sym\",1,0,0,0")
#endif /* __STDC__ */
#endif /* __ELF__ */
#endif /* __weak_reference */
#endif /* __GNUC__ */
#endif /* _CDEFS_COMPAT_H_ */