summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/sparc/setjmp.S
blob: 796abc7630bc9e6fc7b539026e5da55319f2e713 (plain)
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
/* Copyright (C) 1991, 93, 94, 96, 97, 98 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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

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

#include <sys/syscall.h>

#define _ASM 1
#define _SETJMP_H
#include <bits/setjmp.h>
#define ST_FLUSH_WINDOWS 3

.global _setjmp
.type   _setjmp,%function
.align 4
_setjmp: 
	b	1f
	set	0, %o1
.size _setjmp,.-_setjmp





.global setjmp
.type   setjmp,%function
.align 4
setjmp: 
	set	1, %o1
.size setjmp,.-setjmp





.global __sigsetjmp
.type   __sigsetjmp,%function
.align 4
__sigsetjmp: 
1:
	/* Save our PC, SP and FP.  Save the signal mask if requested with
	   a tail-call for simplicity; it always returns zero.  */
	ta	ST_FLUSH_WINDOWS

	st	%o7, [%o0 + (JB_PC * 4)]
	st	%sp, [%o0 + (JB_SP * 4)]
	st	%fp, [%o0 + (JB_FP * 4)]

	mov	%o7, %g1
	call	__sigjmp_save
	mov	%g1, %o7
.size __sigsetjmp,.-__sigsetjmp



.weak _setjmp
.weak setjmp