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      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 
     36 WARN_REFERENCES(sigprocmask, \
     37     "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
     38 
     39 ENTRY(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
     53 1:	ldr	r1, [r1]
     54 2:
     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]
     67 3:
     68 #endif
     69 	movs	r0, #0
     70 	RET
     71 END(sigprocmask)
     72