2006-07-07 23:57:29 +04:00
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/* $NetBSD: dot_init.h,v 1.3 2006/07/07 19:57:29 ross Exp $ */
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2001-07-17 16:16:43 +04:00
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/*-
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* Copyright (c) 2001 Ross Harvey
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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/*
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* These must be extern to avoid warnings ("declared static but never defined")
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* However, only the declaration is extern, the actually __asm() defines them
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* as static.
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*/
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#define INIT_FALLTHRU_DECL void init_fallthru(void)
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#define FINI_FALLTHRU_DECL void fini_fallthru(void)
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#define INIT_FALLTHRU() init_fallthru()
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#define FINI_FALLTHRU() fini_fallthru()
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#define MD_SECTION_PROLOGUE(sect, entry_pt) \
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__asm ( \
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".section "#sect",\"ax\",@progbits \n" \
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#entry_pt": \n" \
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2002-07-30 01:54:35 +04:00
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" stwu %r1,-16(%r1) \n" \
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" mflr %r0 \n" \
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" stw %r0,12(%r1) \n" \
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2001-07-17 16:16:43 +04:00
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" /* fall thru */ \n" \
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".previous")
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#define MD_SECTION_EPILOGUE(sect) \
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__asm ( \
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".section "#sect",\"ax\",@progbits \n" \
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2002-07-30 01:54:35 +04:00
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" lwz %r0,12(%r1) \n" \
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" mtlr %r0 \n" \
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" la %r1,16(%r1) \n" \
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2001-07-17 16:16:43 +04:00
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" blr \n" \
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".previous")
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#define MD_INIT_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.init, init_fallthru)
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#define MD_FINI_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.fini, fini_fallthru)
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#define MD_INIT_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.init)
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#define MD_FINI_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.fini)
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