1/* $NetBSD: sigsetjmp.S,v 1.18 2014/05/23 02:34:19 uebayasi 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: @(#)setjmp.s 5.1 (Berkeley) 4/23/90" 35 */ 36 37#include <machine/asm.h> 38#if defined(LIBC_SCCS) 39 RCSID("$NetBSD: sigsetjmp.S,v 1.18 2014/05/23 02:34:19 uebayasi Exp $") 40#endif 41 42ENTRY(__sigsetjmp14) 43 movl 4(%esp),%ecx 44 movl 0(%esp),%edx 45 movl %edx, 0(%ecx) 46 movl %ebx, 4(%ecx) 47 movl %esp, 8(%ecx) 48 movl %ebp,12(%ecx) 49 movl %esi,16(%ecx) 50 movl %edi,20(%ecx) 51 52 /* Check if we should save the signal mask, and remember it. */ 53 movl 8(%esp),%eax 54 movl %eax,40(%ecx) 55 testl %eax,%eax 56 jz 2f /* no, skip */ 57 58 /* Get the signal mask. */ 59 leal 24(%ecx),%edx 60 61 PIC_PROLOGUE 62 pushl %edx 63 pushl $0 64 pushl $0 65#ifdef __PIC__ 66 call PIC_PLT(_C_LABEL(__sigprocmask14)) 67#else 68 call _C_LABEL(__sigprocmask14) 69#endif 70 addl $12,%esp 71 PIC_EPILOGUE 72 732: xorl %eax,%eax 74 ret 75END(__sigsetjmp14) 76 77ENTRY(__siglongjmp14) 78 /* Check to see if we need to restore the signal mask. */ 79 movl 4(%esp),%ecx 80 cmpl $0,40(%ecx) 81 jz 2f /* no, skip */ 82 83 /* Restore the signal mask. */ 84 leal 24(%ecx),%edx 85 86 PIC_PROLOGUE 87 pushl $0 88 pushl %edx 89 pushl $3 /* SIG_SETMASK */ 90#ifdef __PIC__ 91 call PIC_PLT(_C_LABEL(__sigprocmask14)) 92#else 93 call _C_LABEL(__sigprocmask14) 94#endif 95 addl $12,%esp 96 PIC_EPILOGUE 97 982: movl 4(%esp),%edx 99 movl 8(%esp),%eax 100 movl 0(%edx),%ecx 101 movl 4(%edx),%ebx 102 movl 8(%edx),%esp 103 movl 12(%edx),%ebp 104 movl 16(%edx),%esi 105 movl 20(%edx),%edi 106 testl %eax,%eax 107 jnz 3f 108 incl %eax 1093: movl %ecx,0(%esp) 110 ret 111END(__siglongjmp14) 112