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Added __warn_references macro, which is used to instruct the linker to

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print a warning message if a given symbol is referenced.
This commit is contained in:
jtc 1994-07-20 22:12:50 +00:00
parent 65e8c80074
commit 0898290d54
1 changed files with 19 additions and 1 deletions
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20
sys/sys/cdefs.h
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@ -1,4 +1,4 @@
/* $NetBSD: cdefs.h,v 1.10 1994/06/29 06:43:40 cgd Exp $ */
/* $NetBSD: cdefs.h,v 1.11 1994/07/20 22:12:50 jtc Exp $ */
/*
* Copyright (c) 1991, 1993
@ -121,4 +121,22 @@
#define __pure
#endif
/*
* The __warn_references macro is used to instruct the linker to print
* warning message "msg" if symbol "sym" is referenced.
*/
#ifdef __GNUC__
#ifdef __STDC__
#define __warn_references(sym,msg) \
__asm__(".stabs \"" msg "\",30,0,0,0\n.stabs \"_" #sym "\",1,0,0,0")
#else
#define __warn_references(sym,msg) \
__asm__(".stabs msg,30,0,0,0\n.stabs \"_/**/sym\",1,0,0,0")
#endif
#else
#define __warn_references(sym,msg)
#endif
#endif
#endif /* !_CDEFS_H_ */