sigframe.h revision 247047
1275970Scy/*- 2275970Scy * Copyright (c) 1999 Marcel Moolenaar 3275970Scy * All rights reserved. 4275970Scy * 5275970Scy * Redistribution and use in source and binary forms, with or without 6275970Scy * modification, are permitted provided that the following conditions 7275970Scy * are met: 8275970Scy * 1. Redistributions of source code must retain the above copyright 9275970Scy * notice, this list of conditions and the following disclaimer 10275970Scy * in this position and unchanged. 11275970Scy * 2. Redistributions in binary form must reproduce the above copyright 12275970Scy * notice, this list of conditions and the following disclaimer in the 13275970Scy * documentation and/or other materials provided with the distribution. 14275970Scy * 3. The name of the author may not be used to endorse or promote products 15275970Scy * derived from this software without specific prior written permission. 16275970Scy * 17275970Scy * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18275970Scy * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19275970Scy * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20275970Scy * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21275970Scy * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22275970Scy * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23275970Scy * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24275970Scy * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25275970Scy * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26275970Scy * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27275970Scy * 28275970Scy * $FreeBSD: head/sys/i386/include/sigframe.h 247047 2013-02-20 17:39:52Z kib $ 29275970Scy */ 30 31#ifndef _MACHINE_SIGFRAME_H_ 32#define _MACHINE_SIGFRAME_H_ 33 34/* 35 * Signal frames, arguments passed to application signal handlers. 36 */ 37#ifdef _KERNEL 38#ifdef COMPAT_43 39struct osigframe { 40 /* 41 * The first four members may be used by applications. 42 */ 43 44 register_t sf_signum; 45 46 /* 47 * Either 'int' for old-style FreeBSD handler or 'siginfo_t *' 48 * pointing to sf_siginfo for SA_SIGINFO handlers. 49 */ 50 register_t sf_arg2; 51 52 /* Points to sf_siginfo.si_sc. */ 53 register_t sf_scp; 54 55 register_t sf_addr; 56 57 /* 58 * The following arguments are not constrained by the 59 * function call protocol. 60 * Applications are not supposed to access these members, 61 * except using the pointers we provide in the first three 62 * arguments. 63 */ 64 65 union { 66 __osiginfohandler_t *sf_action; 67 __sighandler_t *sf_handler; 68 } sf_ahu; 69 70 /* In the SA_SIGINFO case, sf_arg2 points here. */ 71 osiginfo_t sf_siginfo; 72}; 73#endif 74#ifdef COMPAT_FREEBSD4 75/* FreeBSD 4.x */ 76struct sigframe4 { 77 register_t sf_signum; 78 register_t sf_siginfo; /* code or pointer to sf_si */ 79 register_t sf_ucontext; /* points to sf_uc */ 80 register_t sf_addr; /* undocumented 4th arg */ 81 82 union { 83 __siginfohandler_t *sf_action; 84 __sighandler_t *sf_handler; 85 } sf_ahu; 86 struct ucontext4 sf_uc; /* = *sf_ucontext */ 87 siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 88}; 89#endif 90#endif 91 92#include <x86/sigframe.h> 93 94#endif /* !_MACHINE_SIGFRAME_H_ */ 95