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      1 /*	$NetBSD: cdefs_elf.h,v 1.22 2005/02/26 22:25:34 perry Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 #ifndef _SYS_CDEFS_ELF_H_
     31 #define	_SYS_CDEFS_ELF_H_
     32 
     33 #define __strong_alias(alias, sym) \
     34     __asm__(".global " #alias "\n" \
     35             #alias " = " #sym);
     36 
     37 #define __weak_alias(alias,sym) \
     38     __asm__(".weak " #alias "\n" \
     39             #alias " = " #sym);
     40 
     41 /* We use __warnattr instead of __warn_references.
     42  * TODO: remove this and put an empty definition in one of the upstream-* compatibility headers.
     43  */
     44 #define	__warn_references(sym,msg)					\
     45     /*__asm__(".section .gnu.warning." #sym "\n\t.ascii \"" msg "\"\n\t.text");*/
     46 
     47 #endif /* !_SYS_CDEFS_ELF_H_ */
     48