compat_sigprocmask.S revision 1.2
11.2Smatt/* $NetBSD: compat_sigprocmask.S,v 1.2 2013/07/16 23:00:15 matt Exp $ */ 21.1Schristos 31.1Schristos/*- 41.1Schristos * Copyright (c) 1990 The Regents of the University of California. 51.1Schristos * All rights reserved. 61.1Schristos * 71.1Schristos * This code is derived from software contributed to Berkeley by 81.1Schristos * the Systems Programming Group of the University of Utah Computer 91.1Schristos * Science Department. 101.1Schristos * 111.1Schristos * Redistribution and use in source and binary forms, with or without 121.1Schristos * modification, are permitted provided that the following conditions 131.1Schristos * are met: 141.1Schristos * 1. Redistributions of source code must retain the above copyright 151.1Schristos * notice, this list of conditions and the following disclaimer. 161.1Schristos * 2. Redistributions in binary form must reproduce the above copyright 171.1Schristos * notice, this list of conditions and the following disclaimer in the 181.1Schristos * documentation and/or other materials provided with the distribution. 191.1Schristos * 3. Neither the name of the University nor the names of its contributors 201.1Schristos * may be used to endorse or promote products derived from this software 211.1Schristos * without specific prior written permission. 221.1Schristos * 231.1Schristos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 241.1Schristos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 251.1Schristos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 261.1Schristos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 271.1Schristos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 281.1Schristos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 291.1Schristos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 301.1Schristos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 311.1Schristos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 321.1Schristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 331.1Schristos * SUCH DAMAGE. 341.1Schristos */ 351.1Schristos 361.1Schristos#include "SYS.h" 371.1Schristos 381.1Schristos#if defined(LIBC_SCCS) && !defined(lint) 391.1Schristos#if 0 401.1Schristos RCSID("from: @(#)sigprocmask.s 5.2 (Berkeley) 6/6/90") 411.1Schristos#else 421.2Smatt RCSID("$NetBSD: compat_sigprocmask.S,v 1.2 2013/07/16 23:00:15 matt Exp $") 431.1Schristos#endif 441.1Schristos#endif /* LIBC_SCCS and not lint */ 451.1Schristos 461.1SchristosWARN_REFERENCES(sigprocmask, \ 471.1Schristos "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 481.1Schristos 491.1SchristosENTRY(sigprocmask) 501.2Smatt tstl 8(%sp) /* check new sigset pointer */ 511.1Schristos jne gotptr /* if not null, indirect */ 521.2Smatt/* movl #0,8(%sp) /* null mask pointer: block empty set */ 531.2Smatt movl #1,4(%sp) /* SIG_BLOCK */ 541.1Schristos jra doit 551.1Schristosgotptr: 561.2Smatt movl 8(%sp),%a0 571.2Smatt movl (%a0),8(%sp) /* indirect to new mask arg */ 581.1Schristosdoit: 591.2Smatt SYSTRAP(compat_13_sigprocmask13) 601.2Smatt jcc CERROR 611.2Smatt tstl 12(%sp) /* test if old mask requested */ 621.1Schristos jeq out 631.2Smatt movl 12(%sp),%a0 641.2Smatt movl %d0,(%a0) /* store old mask */ 651.1Schristosout: 661.1Schristos clrl %d0 671.1Schristos rts 681.2SmattEND(sigprocmask) 69