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/* $OpenBSD: md_init.h,v 1.9 2020/10/15 16:30:23 deraadt 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.
*/
#define MD_SECT_CALL_FUNC(section, func) \
__asm (".section "#section", \"ax\" \n" \
" call " #func ", 0 \n" \
" nop \n" \
" .previous")
#define MD_SECTION_PROLOGUE(sect, entry_pt) \
__asm ( \
".section "#sect",\"ax\",@progbits \n" \
" .globl " #entry_pt " \n" \
" .type " #entry_pt ",@function \n" \
#entry_pt": \n" \
" save %sp, -192, %sp \n" \
" .align 4 \n" \
" /* fall thru */ \n" \
" .previous")
#define MD_SECTION_EPILOGUE(sect) \
__asm ( \
".section "#sect",\"ax\",@progbits \n" \
" ret \n" \
" restore \n" \
" .previous")
#define MD_CRT0_START \
__asm__( \
".text \n" \
" .align 4 \n" \
" .global _start \n" \
" .global __start \n" \
"_start: \n" \
"__start: \n" \
" clr %fp \n" \
" add %sp, 2175, %o0 /* stack */\n" \
" ba,pt %icc, ___start \n" \
" mov %g1, %o1 \n" \
" .previous")
#define MD_RCRT0_START \
__asm__( \
".text \n" \
" .align 4 \n" \
" .global _start \n" \
" .global __start \n" \
"_start: \n" \
"__start: \n" \
" clr %fp \n" \
" sub %sp, 48 + 16*8, %sp \n" \
" add %sp, 2223, %l3 \n" \
" add %l3, 16*8, %o0 \n" \
" mov %o0, %l0 \n" \
" call 0f \n" \
" nop \n" \
" call _DYNAMIC+8 \n" \
"0: ld [%o7+8], %o2 \n" \
" sll %o2, 2, %o2 \n" \
" sra %o2, 0, %o2 \n" \
" add %o2, %o7, %o2 \n" \
" call _dl_boot_bind \n" \
" mov %l3, %o1 \n" \
" add %sp, 48 + 16*8, %sp \n" \
" add %sp, 2175, %o0 /* stack */\n" \
" ba,pt %icc, ___start \n" \
" clr %o1 \n" \
" \n" \
" .global _dl_exit \n" \
"_dl_exit: \n" \
" mov " STR(SYS_exit) ", %g1 \n" \
" t 0 \n" \
" unimp \n" \
" .previous")
#define MD_START_ARGS char **sp, void (*cleanup)(void)
#define MD_START_SETUP \
char **argv, **envp; \
long argc; \
\
argc = *(long *)sp; \
argv = sp + 1; \
envp = sp + 2 + argc; /* 2: argc + NULL ending argv */
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