xref: /openbsd/lib/libc/arch/sh/sys/sigsuspend.S (revision 73471bf0)
1/*	$OpenBSD: sigsuspend.S,v 1.4 2016/05/18 20:21:13 guenther Exp $	*/
2/*	$NetBSD: sigsuspend.S,v 1.5 2003/08/07 16:42:21 agc Exp $	*/
3
4/*-
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * William Jolitz.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	from: @(#)sigsuspend.s	5.2 (Berkeley) 12/17/90
36 */
37
38#include "SYS.h"
39
40SYSENTRY_HIDDEN(sigsuspend)
41	mov	r4, r0		/* fetch mask arg */
42	mov.l	@r0, r0		/* indirect to mask arg */
43	mov	r0, r4
44	mov.l	LSYS_sigsuspend, r0
45	trapa	#0x80
46	SET_ERRNO_AND_RETURN
47
48	.align	2
49LSYS_sigsuspend:
50	.long	SYS_sigsuspend
51SYSCALL_END_HIDDEN(sigsuspend)
52