81 lines
2.9 KiB
ArmAsm
81 lines
2.9 KiB
ArmAsm
/* $NetBSD: sigprocmask.S,v 1.4 2001/05/11 19:58:08 msaitoh Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)sigprocmask.s 5.2 (Berkeley) 12/17/90
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*/
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#include <machine/asm.h>
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: sigprocmask.S,v 1.4 2001/05/11 19:58:08 msaitoh Exp $")
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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WARN_REFERENCES(sigprocmask, \
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"warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
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ENTRY(sigprocmask)
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mov r5, r2 /* fetch new sigset pointer */
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tst r2, r2 /* check new sigset pointer */
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bf 1f /* if not null, indirect */
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mov #1, r4 /* SIG_BLOCK */
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bra 2f
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nop
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1: mov.l @r2, r2 /* fetch indirect ... */
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mov r2, r5 /* to new mask arg */
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2: mov.l LSYS_sigprocmask13, r0
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trapa #0x80
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bf err
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mov r6, r2 /* fetch old mask requested */
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tst r2, r2 /* test if old mask requested */
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bt out
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mov.l r0, @r2 /* store old mask */
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out:
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xor r0, r0
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rts
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nop
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err:
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mov.l Lcerror, r1
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jmp @r1
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nop
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.align 2
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LSYS_sigprocmask13:
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.long SYS_compat_13_sigprocmask13
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Lcerror:
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.long cerror
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