1/*	$OpenBSD: sigprocmask.S,v 1.3 2018/08/12 17:15:10 mortimer Exp $	*/
2/*	$NetBSD: sigprocmask.S,v 1.5 2003/08/07 16:42:05 agc Exp $	*/
3
4/*-
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	from: @(#)sigprocmask.s	5.2 (Berkeley) 12/17/90
33 */
34
35#include "SYS.h"
36
37SYSENTRY_HIDDEN(sigprocmask)
38	RETGUARD_SETUP(sigprocmask, x15)
39	cbz	x1, 1f
40	ldr	w1, [x1]
41	b	2f
421:
43	mov	w0, #0x00000001
44	mov	w1, #0x00000000
452:
46
47	SYSTRAP(sigprocmask)
48	bcs	CERROR
49	cbz	x2, 1f
50	str	w0, [x2]
511:
52	mov	x0, #0x00000000
53	RETGUARD_CHECK(sigprocmask, x15)
54	ret
55SYSCALL_END_HIDDEN(sigprocmask)
56