1/* $OpenBSD: sigsetjmp.S,v 1.7 2005/08/07 11:30:38 espie Exp $ */ 2/*- 3 * Copyright (c) 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * William Jolitz. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include <machine/asm.h> 35 36ENTRY(sigsetjmp) 37 movl 4(%esp),%ecx 38 movl 8(%esp),%eax 39 movl %eax,28(%ecx) 40 testl %eax,%eax 41 jz 1f 42 43 PIC_PROLOGUE 44 pushl $0 45#ifdef PIC 46 call PIC_PLT(_C_LABEL(sigblock)) 47#else 48 call _C_LABEL(sigblock) 49#endif 50 addl $4,%esp 51 PIC_EPILOGUE 52 53 movl 4(%esp),%ecx 54 movl %eax,24(%ecx) 551: movl 0(%esp),%edx 56 movl %edx, 0(%ecx) 57 movl %ebx, 4(%ecx) 58 movl %esp, 8(%ecx) 59 movl %ebp,12(%ecx) 60 movl %esi,16(%ecx) 61 movl %edi,20(%ecx) 62 xorl %eax,%eax 63 ret 64 65ENTRY(siglongjmp) 66 movl 4(%esp),%edx 67 cmpl $0,28(%edx) 68 jz 1f 69 70 PIC_PROLOGUE 71 pushl 24(%edx) 72#ifdef PIC 73 call PIC_PLT(_C_LABEL(sigsetmask)) 74#else 75 call _C_LABEL(sigsetmask) 76#endif 77 addl $4,%esp 78 PIC_EPILOGUE 79 801: movl 4(%esp),%edx 81 movl 8(%esp),%eax 82 movl 0(%edx),%ecx 83 movl 4(%edx),%ebx 84 movl 8(%edx),%esp 85 movl 12(%edx),%ebp 86 movl 16(%edx),%esi 87 movl 20(%edx),%edi 88 testl %eax,%eax 89 jnz 2f 90 incl %eax 912: movl %ecx,0(%esp) 92 ret 93