Home | History | Annotate | Line # | Download | only in include
cdefs.h revision 1.1 
      1 /*	$NetBSD: cdefs.h,v 1.1 1998/06/20 04:58:51 eeh Exp $	*/
      2 
      3 /*
      4  * Written by J.T. Conklin <jtc (at) wimsey.com> 01/17/95.
      5  * Public domain.
      6  */
      7 
      8 #ifndef	_MACHINE_CDEFS_H_
      9 #define	_MACHINE_CDEFS_H_
     10 
     11 #ifdef __ELF__
     12 
     13 #define	_C_LABEL(x)	x
     14 
     15 #ifdef __GNUC__
     16 #define	__RENAME(x)	__asm__(___STRING(_C_LABEL(x)))
     17 #else
     18 #define __RENAME(x)
     19 #endif
     20 
     21 #define	__DO_NOT_DO_WEAK__		/* NO WEAK SYMS IN LIBC YET */
     22 
     23 #ifndef __DO_NOT_DO_WEAK__
     24 #define	__indr_reference(sym,alias)	/* nada, since we do weak refs */
     25 #endif /* !__DO_NOT_DO_WEAK__ */
     26 
     27 #ifdef __STDC__
     28 
     29 #ifndef __DO_NOT_DO_WEAK__
     30 #define	__weak_alias(alias,sym)						\
     31     __asm__(".weak " #alias " ; " #alias " = " #sym);
     32 #endif /* !__DO_NOT_DO_WEAK__ */
     33 #define	__warn_references(sym,msg)					\
     34     __asm__(".section .gnu.warning." #sym " ; .ascii \"" msg "\" ; .text");
     35 
     36 #else /* !__STDC__ */
     37 
     38 #ifndef __DO_NOT_DO_WEAK__
     39 #define	__weak_alias(alias,sym)						\
     40     __asm__(".weak alias ; alias = sym");
     41 #endif /* !__DO_NOT_DO_WEAK__ */
     42 #define	__warn_references(sym,msg)					\
     43     __asm__(".section .gnu.warning.sym ; .ascii msg ; .text");
     44 
     45 #endif /* !__STDC__ */
     46 
     47 #else /* !__ELF__ */
     48 
     49 #define	_C_LABEL(x)	__CONCAT(_,x)
     50 
     51 #ifdef __GNUC__
     52 #define	__RENAME(x)	__asm__(___STRING(_C_LABEL(x)))
     53 #else
     54 #define __RENAME(x)
     55 #endif
     56 
     57 #ifdef __GNUC__
     58 #ifdef __STDC__
     59 #define __indr_reference(sym,alias)	\
     60 	__asm__(".stabs \"_" #alias "\",11,0,0,0");	\
     61 	__asm__(".stabs \"_" #sym "\",1,0,0,0");
     62 #define __warn_references(sym,msg)	\
     63 	__asm__(".stabs \"" msg "\",30,0,0,0");		\
     64 	__asm__(".stabs \"_" #sym "\",1,0,0,0");
     65 #else
     66 #define __indr_reference(sym,alias)	\
     67 	__asm__(".stabs \"_/**/alias\",11,0,0,0");	\
     68 	__asm__(".stabs \"_/**/sym\",1,0,0,0");
     69 #define __warn_references(sym,msg)	\
     70 	__asm__(".stabs msg,30,0,0,0");			\
     71 	__asm__(".stabs \"_/**/sym\",1,0,0,0");
     72 #endif
     73 #else
     74 #define __indr_reference(sym,alias)
     75 #define __warn_references(sym,msg)
     76 #endif
     77 
     78 #endif /* __ELF__ */
     79 
     80 #endif /* !_MACHINE_CDEFS_H_ */
     81 
     82 
     83 
     84