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compat_sigprocmask.S revision 1.3 
      1  1.3  uwe /*	$NetBSD: compat_sigprocmask.S,v 1.3 2006/01/06 04:08:47 uwe Exp $	*/
      2  1.1  uwe 
      3  1.1  uwe /*-
      4  1.1  uwe  * Copyright (c) 1990 The Regents of the University of California.
      5  1.1  uwe  * All rights reserved.
      6  1.1  uwe  *
      7  1.1  uwe  * This code is derived from software contributed to Berkeley by
      8  1.1  uwe  * William Jolitz.
      9  1.1  uwe  *
     10  1.1  uwe  * Redistribution and use in source and binary forms, with or without
     11  1.1  uwe  * modification, are permitted provided that the following conditions
     12  1.1  uwe  * are met:
     13  1.1  uwe  * 1. Redistributions of source code must retain the above copyright
     14  1.1  uwe  *    notice, this list of conditions and the following disclaimer.
     15  1.1  uwe  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  uwe  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  uwe  *    documentation and/or other materials provided with the distribution.
     18  1.1  uwe  * 3. Neither the name of the University nor the names of its contributors
     19  1.1  uwe  *    may be used to endorse or promote products derived from this software
     20  1.1  uwe  *    without specific prior written permission.
     21  1.1  uwe  *
     22  1.1  uwe  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  1.1  uwe  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  1.1  uwe  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  1.1  uwe  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  1.1  uwe  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  1.1  uwe  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  1.1  uwe  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  1.1  uwe  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  1.1  uwe  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  1.1  uwe  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  1.1  uwe  * SUCH DAMAGE.
     33  1.1  uwe  *
     34  1.1  uwe  *	from: @(#)sigprocmask.s	5.2 (Berkeley) 12/17/90
     35  1.1  uwe  */
     36  1.1  uwe 
     37  1.1  uwe #include <machine/asm.h>
     38  1.1  uwe #if defined(SYSLIBC_SCCS) && !defined(lint)
     39  1.3  uwe 	RCSID("$NetBSD: compat_sigprocmask.S,v 1.3 2006/01/06 04:08:47 uwe Exp $")
     40  1.1  uwe #endif /* SYSLIBC_SCCS and not lint */
     41  1.1  uwe 
     42  1.1  uwe #include "SYS.h"
     43  1.1  uwe 
     44  1.1  uwe WARN_REFERENCES(sigprocmask, \
     45  1.1  uwe     "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
     46  1.1  uwe 
     47  1.3  uwe /*
     48  1.3  uwe  * int
     49  1.3  uwe  * sigprocmask(int how, const sigset_t * restrict set,
     50  1.3  uwe  *     sigset_t * restrict oset);
     51  1.3  uwe  */
     52  1.1  uwe ENTRY(sigprocmask)
     53  1.3  uwe 	tst	r5, r5			/* set == NULL? */
     54  1.3  uwe 	bf	1f
     55  1.3  uwe 
     56  1.3  uwe 	bra	2f			/* r5 (new mask) is already zero */
     57  1.3  uwe 	 mov	#1, r4			/* how = SIG_BLOCK */
     58  1.3  uwe 
     59  1.3  uwe 1:	mov.l	@r5, r5			/* fetch new mask */
     60  1.3  uwe 
     61  1.3  uwe 2:	mov	#SYS_compat_13_sigprocmask13, r0
     62  1.1  uwe 	trapa	#0x80
     63  1.1  uwe 	bf	err
     64  1.3  uwe 
     65  1.3  uwe 	tst	r6, r6			/* oset == NULL? */
     66  1.3  uwe 	bt	3f
     67  1.3  uwe 	mov.l	r0, @r6			/* store old mask */
     68  1.3  uwe 3:	rts
     69  1.3  uwe 	 mov	#0, r0
     70  1.3  uwe 
     71  1.1  uwe err:
     72  1.2  uwe 	JUMP_CERROR
     73  1.1  uwe 
     74  1.2  uwe 	SET_ENTRY_SIZE(sigprocmask)
     75