124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/* $NetBSD: cdefs_elf.h,v 1.9 2000/12/14 18:47:30 marcus Exp $ */
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/*
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* Copyright (c) 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#ifndef _SYS_CDEFS_ELF_H_
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#define _SYS_CDEFS_ELF_H_
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#if defined(__sh3__)
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#define _C_LABEL(x) __CONCAT(_,x)
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#define _C_LABEL_STRING(x) "_"x
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#else
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#define _C_LABEL(x) x
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#define _C_LABEL_STRING(x) x
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#endif
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#if __STDC__
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#define ___RENAME(x) __asm__(___STRING(_C_LABEL(x)))
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#else
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#if defined(__sh3__)
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#define ___RENAME(x) ____RENAME(_/**/x)
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#define ____RENAME(x) __asm__(___STRING(x))
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#else
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#define ___RENAME(x) __asm__(___STRING(x))
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#endif
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#endif
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#undef __DO_NOT_DO_WEAK__ /* NO WEAK SYMS IN LIBC YET */
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#ifndef __DO_NOT_DO_WEAK__
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#define __indr_reference(sym,alias) /* nada, since we do weak refs */
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#endif /* !__DO_NOT_DO_WEAK__ */
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#if __STDC__
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#ifndef __DO_NOT_DO_WEAK__
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#define __weak_alias(alias,sym) \
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__asm__(".weak " _C_LABEL_STRING(#alias) " ; " \
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_C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym));
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#endif /* !__DO_NOT_DO_WEAK__ */
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#define __weak_extern(sym) \
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__asm__(".weak " _C_LABEL_STRING(#sym));
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#define __warn_references(sym,msg) \
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__asm__(".section .gnu.warning." #sym " ; .ascii \"" msg "\" ; .text");
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#else /* !__STDC__ */
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#ifndef __DO_NOT_DO_WEAK__
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#if defined(__sh3__)
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#define __weak_alias(alias,sym) ___weak_alias(_/**/alias,_/**/sym)
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#define ___weak_alias(alias,sym) \
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__asm__(".weak alias ; alias = sym");
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#else
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#define __weak_alias(alias,sym) \
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__asm__(".weak alias ; alias = sym");
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#endif
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#endif /* !__DO_NOT_DO_WEAK__ */
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#if defined(__sh3__)
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#define __weak_extern(sym) ___weak_extern(_/**/sym)
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#define ___weak_extern(sym) \
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__asm__(".weak sym");
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#else
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#define __weak_extern(sym) \
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__asm__(".weak sym");
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#endif
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#define __warn_references(sym,msg) \
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__asm__(".section .gnu.warning.sym ; .ascii msg ; .text");
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#endif /* !__STDC__ */
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#if __STDC__
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#define __SECTIONSTRING(_sec, _str) \
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__asm__(".section " #_sec " ; .asciz \"" _str "\" ; .text")
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#else
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#define __SECTIONSTRING(_sec, _str) \
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__asm__(".section _sec ; .asciz _str ; .text")
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#endif
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#define __IDSTRING(_n,_s) __SECTIONSTRING(.ident,_s)
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#define __RCSID(_s) __IDSTRING(rcsid,_s)
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#define __SCCSID(_s)
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#define __SCCSID2(_s)
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#if 0 /* XXX userland __COPYRIGHTs have \ns in them */
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#define __COPYRIGHT(_s) __SECTIONSTRING(.copyright,_s)
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#else
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#define __COPYRIGHT(_s) \
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static const char copyright[] __attribute__((__unused__)) = _s
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#endif
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#define __KERNEL_RCSID(_n, _s) __RCSID(_s)
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#define __KERNEL_SCCSID(_n, _s)
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#if 0 /* XXX see above */
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#define __KERNEL_COPYRIGHT(_n, _s) __COPYRIGHT(_s)
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#else
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#define __KERNEL_COPYRIGHT(_n, _s) __SECTIONSTRING(.copyright, _s)
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#endif
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#endif /* !_SYS_CDEFS_ELF_H_ */
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