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/*
* Copyright 2002-2019 Intel Corporation.
*
* This software and the related documents are Intel copyrighted materials, and your
* use of them is governed by the express license under which they were provided to
* you ("License"). Unless the License provides otherwise, you may not use, modify,
* copy, publish, distribute, disclose or transmit this software or the related
* documents without Intel's prior written permission.
*
* This software and the related documents are provided as is, with no express or
* implied warranties, other than those that are expressly stated in the License.
*
* This file incorporates work covered by the following copyright and permission notice:
*/
/* $NetBSD: cdefs_elf.h,v 1.22 2005/02/26 22:25:34 perry 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_
#if defined(__ELF__)
# define __strong_alias(alias, sym) \
__asm__(".global " #alias "\n" \
#alias " = " #sym);
/* We use __warnattr instead of __warn_references.
* TODO: remove this and put an empty definition in one of the upstream-* compatibility headers.
*/
# define __warn_references(sym,msg) \
/*__asm__(".section .gnu.warning." #sym "\n\t.ascii \"" msg "\"\n\t.text");*/
#elif defined(__APPLE__)
# define __strong_alias(alias, sym) __attribute__((visibility("hidden"))) void __xxx_ ##alias() {\
__asm__(".global _" #alias "\n_" \
#alias " = _" #sym); }
# define __warn_references(sym,msg)
#else
# define __strong_alias(a,b)
# define __warn_references(sym,msg)
#endif
#endif /* !_SYS_CDEFS_ELF_H_ */