1/* $NetBSD: compat_sigprocmask.S,v 1.1 2005/09/15 21:39:16 uwe Exp $ */ 2 3/*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * William Jolitz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)sigprocmask.s 5.2 (Berkeley) 12/17/90 35 */ 36 37#include <machine/asm.h> 38#if defined(SYSLIBC_SCCS) && !defined(lint) 39 RCSID("$NetBSD: compat_sigprocmask.S,v 1.1 2005/09/15 21:39:16 uwe Exp $") 40#endif /* SYSLIBC_SCCS and not lint */ 41 42#include "SYS.h" 43 44WARN_REFERENCES(sigprocmask, \ 45 "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 46 47ENTRY(sigprocmask) 48 mov r5, r2 /* fetch new sigset pointer */ 49 tst r2, r2 /* check new sigset pointer */ 50 bf 1f /* if not null, indirect */ 51 mov #1, r4 /* SIG_BLOCK */ 52 bra 2f 53 nop 541: mov.l @r2, r2 /* fetch indirect ... */ 55 mov r2, r5 /* to new mask arg */ 562: mov.l LSYS_sigprocmask13, r0 57 trapa #0x80 58 bf err 59 mov r6, r2 /* fetch old mask requested */ 60 tst r2, r2 /* test if old mask requested */ 61 bt out 62 mov.l r0, @r2 /* store old mask */ 63out: 64 xor r0, r0 65 rts 66 nop 67err: 68 mov.l Lcerror, r1 69#ifdef PIC 70 braf r1 71#else 72 jmp @r1 73#endif 74 nop 753: 76 77 .align 2 78LSYS_sigprocmask13: 79 .long SYS_compat_13_sigprocmask13 80Lcerror: 81#ifdef PIC 82 .long cerror-3b 83#else 84 .long cerror 85#endif 86