about summary refs log tree commit diff
path: root/sysdeps/arm/__longjmp.S
blob: 5443761f0a56e841b743ba7a2271082a08d77cbf (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/* longjmp for ARM.
   Copyright (C) 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <sysdep.h>
#define _ASM
#include <jmp_buf.h>

/* __longjmp(jmpbuf, val) */

ENTRY (__longjmp)
	movs	r2, r0
	movs	r0, r1		/* get the return value in place */
	moveq	r1, #1		/* can't let setjmp() return zero! */

#if __ARM_USES_FP
	add	r2, r2, #48
	lfmfd	f4, 4, [r2]
#endif
	
	LOADREGS(ia, r2, {v1-v6, sl, fp, sp, pc})
END (__longjmp)