67 lines
2.6 KiB
ArmAsm
67 lines
2.6 KiB
ArmAsm
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/* $NetBSD: compat_sigprocmask.S,v 1.2 2009/12/14 03:04:33 matt Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. 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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* Ralph Campbell.
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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. 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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#include "SYS.h"
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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RCSID("from: @(#)sigprocmask.s 8.1 (Berkeley) 6/4/93")
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#else
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RCSID("$NetBSD: compat_sigprocmask.S,v 1.2 2009/12/14 03:04:33 matt Exp $")
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#endif
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#endif /* LIBC_SCCS and not lint */
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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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LEAF(sigprocmask) # sigprocmask(how, new, old) sigset_t *new, *old;
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PIC_PROLOGUE(sigprocmask)
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bne a1, zero, gotptr # if new sigset pointer not null
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li a0, 1 # how = SIG_BLOCK
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b doit # mask = zero
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gotptr:
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INT_L a1, 0(a1) # indirect to new mask arg
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doit:
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SYSTRAP(compat_13_sigprocmask13)
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bne a3, zero, err
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beq a2, zero, out # test if old mask requested
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INT_S v0, 0(a2) # store old mask
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out:
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move v0, zero
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PIC_RETURN()
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err:
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PIC_TAILCALL(__cerror)
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END(sigprocmask)
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