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/* $OpenBSD: md_init.h,v 1.2 2004/05/26 19:17:35 mickey Exp $ */
/*
* Copyright (c) 2003 Dale Rahn. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#ifdef PIC
#define MD_SECT_CALL_FUNC(section, func) \
__asm (".section "#section",\"ax\",@progbits \n" \
" bl " #func ",%r2 \n" \
" stw %r19,-80(%r30) \n" \
" ldw -80(%r30),%r19 \n" \
" .previous")
#else
#define MD_SECT_CALL_FUNC(section, func) \
__asm (".section .rodata \n" \
" .align 4 \n" \
"L$" #func " \n" \
" .word "#func " \n" \
" .previous \n" \
" .section "#section",\"ax\",@progbits \n" \
" ldil LR'L$" #func ",%r1 \n" \
" ldw RR'L$" #func "(%r1), %r31 \n" \
" ble 0(%sr4,%r31) \n" \
" copy %r31,%r2 \n" \
" .previous")
#endif
#define MD_SECTION_PROLOGUE(sect, entry_pt) \
__asm ( \
" .section "#sect",\"ax\",@progbits \n" \
" .EXPORT "#entry_pt",ENTRY,PRIV_LEV=3,ARGW0=NO,ARGW1=NO,ARGW2=NO,ARGW3=NO,RTNVAL=NO \n" \
" .align 4 \n" \
#entry_pt" \n" \
" stw %r2, -20(%r30) \n" \
" ldo 64(%r30),%r30 \n" \
" /* fall thru */ \n" \
" .previous")
#define MD_SECTION_EPILOGUE(sect) \
__asm ( \
" .section "#sect",\"ax\",@progbits \n" \
" ldw -84(%r30),%r2 \n" \
" bv %r0(%r2) \n" \
" ldo -64(%r30),%r30 \n" \
" .previous")
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