1*0d34bfa2Suebayasi/* $NetBSD: compat_sigprocmask.S,v 1.3 2014/05/23 02:34:33 uebayasi Exp $ */ 25b84b398Schristos 35b84b398Schristos/*- 45b84b398Schristos * Copyright (c) 1990 The Regents of the University of California. 55b84b398Schristos * All rights reserved. 65b84b398Schristos * 75b84b398Schristos * This code is derived from software contributed to Berkeley by 85b84b398Schristos * William Jolitz. 95b84b398Schristos * 105b84b398Schristos * Redistribution and use in source and binary forms, with or without 115b84b398Schristos * modification, are permitted provided that the following conditions 125b84b398Schristos * are met: 135b84b398Schristos * 1. Redistributions of source code must retain the above copyright 145b84b398Schristos * notice, this list of conditions and the following disclaimer. 155b84b398Schristos * 2. Redistributions in binary form must reproduce the above copyright 165b84b398Schristos * notice, this list of conditions and the following disclaimer in the 175b84b398Schristos * documentation and/or other materials provided with the distribution. 185b84b398Schristos * 3. Neither the name of the University nor the names of its contributors 195b84b398Schristos * may be used to endorse or promote products derived from this software 205b84b398Schristos * without specific prior written permission. 215b84b398Schristos * 225b84b398Schristos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 235b84b398Schristos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 245b84b398Schristos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 255b84b398Schristos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 265b84b398Schristos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 275b84b398Schristos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 285b84b398Schristos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 295b84b398Schristos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 305b84b398Schristos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 315b84b398Schristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 325b84b398Schristos * SUCH DAMAGE. 335b84b398Schristos * 345b84b398Schristos * from: @(#)sigprocmask.s 5.2 (Berkeley) 12/17/90 355b84b398Schristos */ 365b84b398Schristos 375b84b398Schristos#include <machine/asm.h> 385b84b398Schristos#if defined(SYSLIBC_SCCS) && !defined(lint) 39*0d34bfa2Suebayasi RCSID("$NetBSD: compat_sigprocmask.S,v 1.3 2014/05/23 02:34:33 uebayasi Exp $") 405b84b398Schristos#endif /* SYSLIBC_SCCS and not lint */ 415b84b398Schristos 425b84b398Schristos#include "SYS.h" 435b84b398Schristos 445b84b398SchristosWARN_REFERENCES(sigprocmask, \ 455b84b398Schristos "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 465b84b398Schristos 475b84b398SchristosENTRY(sigprocmask) 485b84b398Schristos movl 8(%esp),%ecx # fetch new sigset pointer 495b84b398Schristos testl %ecx,%ecx # check new sigset pointer 505b84b398Schristos jnz 1f # if not null, indirect 515b84b398Schristos/* movl $0,8(%esp) # null mask pointer: block empty set */ 525b84b398Schristos movl $1,4(%esp) # SIG_BLOCK 535b84b398Schristos jmp 2f 545b84b398Schristos1: movl (%ecx),%ecx # fetch indirect ... 555b84b398Schristos movl %ecx,8(%esp) # to new mask arg 565b84b398Schristos2: SYSTRAP(compat_13_sigprocmask13) 575b84b398Schristos jc err 585b84b398Schristos movl 12(%esp),%ecx # fetch old mask requested 595b84b398Schristos testl %ecx,%ecx # test if old mask requested 605b84b398Schristos jz out 615b84b398Schristos movl %eax,(%ecx) # store old mask 625b84b398Schristosout: 635b84b398Schristos xorl %eax,%eax 645b84b398Schristos ret 655b84b398Schristoserr: 664d12bfcdSjoerg#ifdef __PIC__ 675b84b398Schristos PIC_PROLOGUE 685b84b398Schristos mov PIC_GOT(CERROR), %ecx 695b84b398Schristos PIC_EPILOGUE 705b84b398Schristos jmp *%ecx 715b84b398Schristos#else 725b84b398Schristos jmp CERROR 735b84b398Schristos#endif 74*0d34bfa2SuebayasiEND(sigprocmask) 75