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/* This is file is a merger of SETJMP.S and LONGJMP.S */
/*
* This file was modified to use the __USER_LABEL_PREFIX__ and
* __REGISTER_PREFIX__ macros defined by later versions of GNU cpp by
* Joel Sherrill (joel@OARcorp.com)
* Slight change: now includes i386mach.h for this (Werner Almesberger)
*
* Copyright (C) 1991 DJ Delorie
* All rights reserved.
*
* Redistribution and use in source and binary forms is permitted
* provided that the above copyright notice and following paragraph are
* duplicated in all such forms.
*
* This file is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
/*
** jmp_buf:
** eax ebx ecx edx esi edi ebp esp eip
** 0 4 8 12 16 20 24 28 32
*/
#include "i386mach.h"
.global SYM (setjmp)
.global SYM (longjmp)
SOTYPE_FUNCTION(setjmp)
SOTYPE_FUNCTION(longjmp)
SYM (setjmp):
pushl ebp
movl esp,ebp
pushl edi
movl 8 (ebp),edi
movl eax,0 (edi)
movl ebx,4 (edi)
movl ecx,8 (edi)
movl edx,12 (edi)
movl esi,16 (edi)
movl -4 (ebp),eax
movl eax,20 (edi)
movl 0 (ebp),eax
movl eax,24 (edi)
movl esp,eax
addl $12,eax
movl eax,28 (edi)
movl 4 (ebp),eax
movl eax,32 (edi)
popl edi
movl $0,eax
leave
ret
SYM (longjmp):
pushl ebp
movl esp,ebp
movl 8(ebp),edi /* get jmp_buf */
movl 12(ebp),eax /* store retval in j->eax */
movl eax,0(edi)
movl 24(edi),ebp
__CLI
movl 28(edi),esp
pushl 32(edi)
movl 0(edi),eax
movl 4(edi),ebx
movl 8(edi),ecx
movl 12(edi),edx
movl 16(edi),esi
movl 20(edi),edi
__STI
ret
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