74 lines
3.0 KiB
C
74 lines
3.0 KiB
C
/* $NetBSD: dot_init.h,v 1.2 2002/07/29 21:54:35 matt Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2001 Ross Harvey
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
|
|
#include <machine/asm.h>
|
|
|
|
/*
|
|
* These must be extern to avoid warnings ("declared static but never defined")
|
|
* However, only the declaration is extern, the actually __asm() defines them
|
|
* as static.
|
|
*/
|
|
#define INIT_FALLTHRU_DECL void init_fallthru(void)
|
|
#define FINI_FALLTHRU_DECL void fini_fallthru(void)
|
|
|
|
#define INIT_FALLTHRU() init_fallthru()
|
|
#define FINI_FALLTHRU() fini_fallthru()
|
|
|
|
#define MD_SECTION_PROLOGUE(sect, entry_pt) \
|
|
__asm ( \
|
|
".section "#sect",\"ax\",@progbits \n" \
|
|
#entry_pt": \n" \
|
|
" stwu %r1,-16(%r1) \n" \
|
|
" mflr %r0 \n" \
|
|
" stw %r0,12(%r1) \n" \
|
|
" /* fall thru */ \n" \
|
|
".previous")
|
|
|
|
#define MD_SECTION_EPILOGUE(sect) \
|
|
__asm ( \
|
|
".section "#sect",\"ax\",@progbits \n" \
|
|
" lwz %r0,12(%r1) \n" \
|
|
" mtlr %r0 \n" \
|
|
" la %r1,16(%r1) \n" \
|
|
" blr \n" \
|
|
".previous")
|
|
|
|
#define MD_INIT_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.init, init_fallthru)
|
|
#define MD_FINI_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.fini, fini_fallthru)
|
|
|
|
#define MD_INIT_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.init)
|
|
#define MD_FINI_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.fini)
|