xref: /minix3/lib/libc/compat/arch/arm/sys/compat_sigprocmask.S (revision 84d9c625bfea59e274550651111ae9edfdc40fbd)
1/*	$NetBSD: compat_sigprocmask.S,v 1.3 2013/08/19 22:11:50 matt Exp $	*/
2
3/*-
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	from: @(#)sigprocmask.s	5.2 (Berkeley) 12/17/90
32 */
33
34#include "SYS.h"
35
36WARN_REFERENCES(sigprocmask, \
37    "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
38
39ENTRY(sigprocmask)
40	cmp	r1, #0
41#if defined(_ARM_ARCH_7) || !defined(__thumb__)
42#ifdef __thumb__
43	itte	eq
44#endif
45	moveq	r0, #1
46	moveq	r1, #0
47	ldrne	r1, [r1]
48#else
49	bne	1f
50	movs	r0, #1
51	movs	r1, #0
52	b	2f
531:	ldr	r1, [r1]
542:
55#endif
56	SYSTRAP(compat_13_sigprocmask13)
57	_INVOKE_CERROR()
58	cmp	r2, #0
59#if defined(_ARM_ARCH_7) || !defined(__thumb__)
60#ifdef __thumb__
61	it	ne
62#endif
63	strne	r0, [r2]
64#else
65	beq	3f
66	str	r0, [r2]
673:
68#endif
69	movs	r0, #0
70	RET
71END(sigprocmask)
72