1/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  ARM version.
2   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
3   This file is part of the GNU C Library.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, see
17   <http://www.gnu.org/licenses/>.  */
18
19#include <bits/arm_asm.h>
20
21/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
22   We cannot do it in C because it must be a tail-call, so frame-unwinding
23   in setjmp doesn't clobber the state restored by longjmp.  */
24
25.global setjmp
26.type setjmp,%function
27.align 2
28#if defined(THUMB1_ONLY)
29.thumb_func
30setjmp:
31	mov	r1, #1
32#ifdef __PIC__
33	ldr	r3, .L_GOT
34	adr	r2, .L_GOT
35	add	r3, r2, r3
36
37	ldr	r2, .L_GOT+4	/* __sigsetjmp */
38	ldr	r2, [r2, r3]
39	bx	r2
40
41	.align 2
42.L_GOT:
43	.word	_GLOBAL_OFFSET_TABLE_-.L_GOT
44	.word	__sigsetjmp(GOT)
45#else
46	ldr	r2, =__sigsetjmp
47	bx	r2
48.pool
49#endif
50#else
51setjmp:
52	mov	r1, #1
53#ifdef __PIC__
54	b	__sigsetjmp(PLT)
55#else
56	b	__sigsetjmp
57#endif
58#endif
59
60.size setjmp,.-setjmp
61