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