xref: /netbsd-src/lib/libc/compat/arch/arm/sys/compat_sigprocmask.S (revision 2cf5e9962b510b600cc34eab5e486a837af7be16)
1*2cf5e996Smatt/*	$NetBSD: compat_sigprocmask.S,v 1.3 2013/08/19 22:11:50 matt Exp $	*/
2b638db2cSchristos
3b638db2cSchristos/*-
4b638db2cSchristos * Copyright (c) 1990 The Regents of the University of California.
5b638db2cSchristos * All rights reserved.
6b638db2cSchristos *
7b638db2cSchristos * Redistribution and use in source and binary forms, with or without
8b638db2cSchristos * modification, are permitted provided that the following conditions
9b638db2cSchristos * are met:
10b638db2cSchristos * 1. Redistributions of source code must retain the above copyright
11b638db2cSchristos *    notice, this list of conditions and the following disclaimer.
12b638db2cSchristos * 2. Redistributions in binary form must reproduce the above copyright
13b638db2cSchristos *    notice, this list of conditions and the following disclaimer in the
14b638db2cSchristos *    documentation and/or other materials provided with the distribution.
15b638db2cSchristos * 3. Neither the name of the University nor the names of its contributors
16b638db2cSchristos *    may be used to endorse or promote products derived from this software
17b638db2cSchristos *    without specific prior written permission.
18b638db2cSchristos *
19b638db2cSchristos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20b638db2cSchristos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21b638db2cSchristos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22b638db2cSchristos * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23b638db2cSchristos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24b638db2cSchristos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25b638db2cSchristos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26b638db2cSchristos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27b638db2cSchristos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28b638db2cSchristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29b638db2cSchristos * SUCH DAMAGE.
30b638db2cSchristos *
31b638db2cSchristos *	from: @(#)sigprocmask.s	5.2 (Berkeley) 12/17/90
32b638db2cSchristos */
33b638db2cSchristos
34b638db2cSchristos#include "SYS.h"
35b638db2cSchristos
36b638db2cSchristosWARN_REFERENCES(sigprocmask, \
37b638db2cSchristos    "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
38b638db2cSchristos
39b638db2cSchristosENTRY(sigprocmask)
40*2cf5e996Smatt	cmp	r1, #0
41*2cf5e996Smatt#if defined(_ARM_ARCH_7) || !defined(__thumb__)
42*2cf5e996Smatt#ifdef __thumb__
43*2cf5e996Smatt	itte	eq
44*2cf5e996Smatt#endif
45*2cf5e996Smatt	moveq	r0, #1
46*2cf5e996Smatt	moveq	r1, #0
47b638db2cSchristos	ldrne	r1, [r1]
48*2cf5e996Smatt#else
49*2cf5e996Smatt	bne	1f
50*2cf5e996Smatt	movs	r0, #1
51*2cf5e996Smatt	movs	r1, #0
52*2cf5e996Smatt	b	2f
53*2cf5e996Smatt1:	ldr	r1, [r1]
54*2cf5e996Smatt2:
55*2cf5e996Smatt#endif
56b638db2cSchristos	SYSTRAP(compat_13_sigprocmask13)
57*2cf5e996Smatt	_INVOKE_CERROR()
58*2cf5e996Smatt	cmp	r2, #0
59*2cf5e996Smatt#if defined(_ARM_ARCH_7) || !defined(__thumb__)
60*2cf5e996Smatt#ifdef __thumb__
61*2cf5e996Smatt	it	ne
62*2cf5e996Smatt#endif
63b638db2cSchristos	strne	r0, [r2]
64*2cf5e996Smatt#else
65*2cf5e996Smatt	beq	3f
66*2cf5e996Smatt	str	r0, [r2]
67*2cf5e996Smatt3:
68*2cf5e996Smatt#endif
69*2cf5e996Smatt	movs	r0, #0
70b638db2cSchristos	RET
71*2cf5e996SmattEND(sigprocmask)
72