57 lines
1.4 KiB
ArmAsm
57 lines
1.4 KiB
ArmAsm
|
/*
|
||
|
|
* PUPA -- Preliminary Universal Programming Architecture for GRUB
|
||
|
|
* Copyright (C) 2003 Yoshinori K. Okuji <okuji@enbug.org>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <pupa/symbol.h>
|
||
|
|
|
||
|
|
.file "setjmp.S"
|
||
|
|
|
||
|
|
.text
|
||
|
|
|
||
|
|
/*
|
||
|
|
* int pupa_setjmp (pupa_jmp_buf env)
|
||
|
|
*/
|
||
|
|
FUNCTION(pupa_setjmp)
|
||
|
|
movl %ebx, 0(%eax) /* EBX */
|
||
|
|
movl %esi, 4(%eax) /* ESI */
|
||
|
|
movl %edi, 8(%eax) /* EDI */
|
||
|
|
movl %ebp, 12(%eax) /* EBP */
|
||
|
|
popl %ecx
|
||
|
|
movl %esp, 16(%eax) /* ESP */
|
||
|
|
movl %ecx, 20(%eax) /* EIP */
|
||
|
|
xorl %eax, %eax
|
||
|
|
jmp *%ecx
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* int pupa_longjmp (pupa_jmp_buf env, int val)
|
||
|
|
*/
|
||
|
|
FUNCTION(pupa_longjmp)
|
||
|
|
movl 0(%eax), %ebx
|
||
|
|
movl 4(%eax), %esi
|
||
|
|
movl 8(%eax), %edi
|
||
|
|
movl 12(%eax), %ebp
|
||
|
|
movl 16(%eax), %esp
|
||
|
|
movl 20(%eax), %ecx
|
||
|
|
|
||
|
|
movl %edx, %eax
|
||
|
|
testl %eax, %eax
|
||
|
|
jnz 1f
|
||
|
|
incl %eax
|
||
|
|
1: jmp *%ecx
|
||
|
|
|