1/* Copyright (C) 1997-2017 Free Software Foundation, Inc.
2   Contributed by Richard Henderson (rth@tamu.edu).
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, see
16   <http://www.gnu.org/licenses/>.  */
17
18/* __sigsetjmp is implemented in terms of the getcontext trap on
19   Linux/Sparc64.  */
20
21#include <sysdep.h>
22#include <jmpbuf-offsets.h>
23
24/* int _setjmp(jmp_buf) */
25
26ENTRY(_setjmp)
27	ba	__sigsetjmp_local
28	 set	0, %o1
29END(_setjmp)
30libc_hidden_def(_setjmp)
31
32/* int setjmp(jmp_buf) */
33
34ENTRY(setjmp)
35	ba,pt	%xcc, __sigsetjmp_local
36	 set	1, %o1
37END(setjmp)
38
39/* int __sigsetjmp(jmp_buf, savemask)  */
40
41ENTRY(__sigsetjmp)
42__sigsetjmp_local:
43
44	/* Record whether the user is intending to save the sigmask.  */
45	st	%o1, [%o0 + O_mask_was_saved]
46
47	/* Load up our return value, as longjmp is going to override
48	   the jmp_buf on its way back.  */
49	mov	%g0, %g1
50
51	/* And call getcontext!  */
52	ta	0x6e
53
54	retl
55	 mov	%g1, %o0
56
57END(__sigsetjmp)
58libc_hidden_def(__sigsetjmp)
59