1/* $NetBSD: compat_sigsetjmp.S,v 1.2 2013/09/12 15:36:16 joerg 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: compat_sigsetjmp.S,v 1.2 2013/09/12 15:36:16 joerg Exp $") 40#endif 41 42ENTRY(sigsetjmp) 43 movl 4(%esp),%ecx 44 movl 8(%esp),%eax 45 movl %eax,28(%ecx) 46 testl %eax,%eax 47 jz 2f 48 49 PIC_PROLOGUE 50 pushl $0 51#ifdef __PIC__ 52 call PIC_PLT(_C_LABEL(sigblock)) 53#else 54 call _C_LABEL(sigblock) 55#endif 56 addl $4,%esp 57 PIC_EPILOGUE 58 59 movl 4(%esp),%ecx 60 movl %eax,24(%ecx) 612: movl 0(%esp),%edx 62 movl %edx, 0(%ecx) 63 movl %ebx, 4(%ecx) 64 movl %esp, 8(%ecx) 65 movl %ebp,12(%ecx) 66 movl %esi,16(%ecx) 67 movl %edi,20(%ecx) 68 xorl %eax,%eax 69 ret 70 71ENTRY(siglongjmp) 72 movl 4(%esp),%edx 73 cmpl $0,28(%edx) 74 jz 2f 75 76 PIC_PROLOGUE 77 pushl 24(%edx) 78#ifdef __PIC__ 79 call PIC_PLT(_C_LABEL(sigsetmask)) 80#else 81 call _C_LABEL(sigsetmask) 82#endif 83 addl $4,%esp 84 PIC_EPILOGUE 85 862: movl 4(%esp),%edx 87 movl 8(%esp),%eax 88 movl 0(%edx),%ecx 89 movl 4(%edx),%ebx 90 movl 8(%edx),%esp 91 movl 12(%edx),%ebp 92 movl 16(%edx),%esi 93 movl 20(%edx),%edi 94 testl %eax,%eax 95 jnz 3f 96 incl %eax 973: movl %ecx,0(%esp) 98 ret 99