1*dc6b340eSuwe/* $NetBSD: compat_sigprocmask.S,v 1.3 2006/01/06 04:08:47 uwe Exp $ */ 2bdfc6e2eSuwe 3bdfc6e2eSuwe/*- 4bdfc6e2eSuwe * Copyright (c) 1990 The Regents of the University of California. 5bdfc6e2eSuwe * All rights reserved. 6bdfc6e2eSuwe * 7bdfc6e2eSuwe * This code is derived from software contributed to Berkeley by 8bdfc6e2eSuwe * William Jolitz. 9bdfc6e2eSuwe * 10bdfc6e2eSuwe * Redistribution and use in source and binary forms, with or without 11bdfc6e2eSuwe * modification, are permitted provided that the following conditions 12bdfc6e2eSuwe * are met: 13bdfc6e2eSuwe * 1. Redistributions of source code must retain the above copyright 14bdfc6e2eSuwe * notice, this list of conditions and the following disclaimer. 15bdfc6e2eSuwe * 2. Redistributions in binary form must reproduce the above copyright 16bdfc6e2eSuwe * notice, this list of conditions and the following disclaimer in the 17bdfc6e2eSuwe * documentation and/or other materials provided with the distribution. 18bdfc6e2eSuwe * 3. Neither the name of the University nor the names of its contributors 19bdfc6e2eSuwe * may be used to endorse or promote products derived from this software 20bdfc6e2eSuwe * without specific prior written permission. 21bdfc6e2eSuwe * 22bdfc6e2eSuwe * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23bdfc6e2eSuwe * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24bdfc6e2eSuwe * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25bdfc6e2eSuwe * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26bdfc6e2eSuwe * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27bdfc6e2eSuwe * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28bdfc6e2eSuwe * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29bdfc6e2eSuwe * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30bdfc6e2eSuwe * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31bdfc6e2eSuwe * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32bdfc6e2eSuwe * SUCH DAMAGE. 33bdfc6e2eSuwe * 34bdfc6e2eSuwe * from: @(#)sigprocmask.s 5.2 (Berkeley) 12/17/90 35bdfc6e2eSuwe */ 36bdfc6e2eSuwe 37bdfc6e2eSuwe#include <machine/asm.h> 38bdfc6e2eSuwe#if defined(SYSLIBC_SCCS) && !defined(lint) 39*dc6b340eSuwe RCSID("$NetBSD: compat_sigprocmask.S,v 1.3 2006/01/06 04:08:47 uwe Exp $") 40bdfc6e2eSuwe#endif /* SYSLIBC_SCCS and not lint */ 41bdfc6e2eSuwe 42bdfc6e2eSuwe#include "SYS.h" 43bdfc6e2eSuwe 44bdfc6e2eSuweWARN_REFERENCES(sigprocmask, \ 45bdfc6e2eSuwe "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 46bdfc6e2eSuwe 47*dc6b340eSuwe/* 48*dc6b340eSuwe * int 49*dc6b340eSuwe * sigprocmask(int how, const sigset_t * restrict set, 50*dc6b340eSuwe * sigset_t * restrict oset); 51*dc6b340eSuwe */ 52bdfc6e2eSuweENTRY(sigprocmask) 53*dc6b340eSuwe tst r5, r5 /* set == NULL? */ 54*dc6b340eSuwe bf 1f 55*dc6b340eSuwe 56*dc6b340eSuwe bra 2f /* r5 (new mask) is already zero */ 57*dc6b340eSuwe mov #1, r4 /* how = SIG_BLOCK */ 58*dc6b340eSuwe 59*dc6b340eSuwe1: mov.l @r5, r5 /* fetch new mask */ 60*dc6b340eSuwe 61*dc6b340eSuwe2: mov #SYS_compat_13_sigprocmask13, r0 62bdfc6e2eSuwe trapa #0x80 63bdfc6e2eSuwe bf err 64*dc6b340eSuwe 65*dc6b340eSuwe tst r6, r6 /* oset == NULL? */ 66*dc6b340eSuwe bt 3f 67*dc6b340eSuwe mov.l r0, @r6 /* store old mask */ 68*dc6b340eSuwe3: rts 69*dc6b340eSuwe mov #0, r0 70*dc6b340eSuwe 71bdfc6e2eSuweerr: 72b46734f0Suwe JUMP_CERROR 73bdfc6e2eSuwe 74b46734f0Suwe SET_ENTRY_SIZE(sigprocmask) 75