forked from KolibriOS/kolibrios
90 lines
1.7 KiB
ArmAsm
90 lines
1.7 KiB
ArmAsm
/* 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)
|
|
|
|
.def _setjmp; .scl 2; .type 32; .endef
|
|
|
|
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
|
|
|
|
.def _longjmp; .scl 2; .type 32; .endef
|
|
|
|
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
|
|
|
|
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
|
|
|
|
ret
|