NetBSD/sys/sys/cdefs_elf.h

87 lines
2.7 KiB
C

/* $NetBSD: cdefs_elf.h,v 1.2 1999/03/23 18:28:12 thorpej Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _SYS_CDEFS_ELF_H_
#define _SYS_CDEFS_ELF_H_
#define _C_LABEL(x) x
#define __DO_NOT_DO_WEAK__ /* NO WEAK SYMS IN LIBC YET */
#ifndef __DO_NOT_DO_WEAK__
#define __indr_reference(sym,alias) /* nada, since we do weak refs */
#endif /* !__DO_NOT_DO_WEAK__ */
#ifdef __STDC__
#ifndef __DO_NOT_DO_WEAK__
#define __weak_alias(alias,sym) \
__asm__(".weak " #alias " ; " #alias " = " #sym);
#endif /* !__DO_NOT_DO_WEAK__ */
#define __warn_references(sym,msg) \
__asm__(".section .gnu.warning." #sym " ; .ascii \"" msg "\" ; .text");
#else /* !__STDC__ */
#ifndef __DO_NOT_DO_WEAK__
#define __weak_alias(alias,sym) \
__asm__(".weak alias ; alias = sym");
#endif /* !__DO_NOT_DO_WEAK__ */
#define __warn_references(sym,msg) \
__asm__(".section .gnu.warning.sym ; .ascii msg ; .text");
#endif /* !__STDC__ */
#ifdef __STDC__
#define __SECTIONSTRING(_sec, _str) \
__asm__(".section " #_sec " ; .asciz \"" _str "\" ; .text")
#else
#define __SECTIONSTRING(_sec, _str) \
__asm__(".section _sec ; .asciz _str ; .text")
#endif
#define __IDSTRING(_n,_s) __SECTIONSTRING(.ident,_s)
#define __RCSID(_s) __IDSTRING(rcsid,_s)
#if 0 /* XXX userland __COPYRIGHTs have \ns in them */
#define __COPYRIGHT(_s) __SECTIONSTRING(.copyright,_s)
#else
#define __COPYRIGHT(_s) \
static const char copyright[] __attribute__((__unused__)) = _s
#endif
#define __KERNEL_RCSID(_n, _s) __RCSID(_s)
#if 0 /* XXX see above */
#define __KERNEL_COPYRIGHT(_n, _s) __COPYRIGHT(_s)
#else
#define __KERNEL_COPYRIGHT(_n, _s) __SECTIONSTRING(.copyright, _s)
#endif
#endif /* !_SYS_CDEFS_ELF_H_ */