151792Smarcel/*- 251792Smarcel * Copyright (c) 1999 Marcel Moolenaar 351792Smarcel * All rights reserved. 451792Smarcel * 551792Smarcel * Redistribution and use in source and binary forms, with or without 651792Smarcel * modification, are permitted provided that the following conditions 751792Smarcel * are met: 851792Smarcel * 1. Redistributions of source code must retain the above copyright 951792Smarcel * notice, this list of conditions and the following disclaimer 1051792Smarcel * in this position and unchanged. 1151792Smarcel * 2. Redistributions in binary form must reproduce the above copyright 1251792Smarcel * notice, this list of conditions and the following disclaimer in the 1351792Smarcel * documentation and/or other materials provided with the distribution. 1451792Smarcel * 3. The name of the author may not be used to endorse or promote products 1551792Smarcel * derived from this software without specific prior written permission. 1651792Smarcel * 1751792Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1851792Smarcel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1951792Smarcel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2051792Smarcel * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2151792Smarcel * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2251792Smarcel * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2351792Smarcel * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2451792Smarcel * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2551792Smarcel * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2651792Smarcel * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2751792Smarcel * 2851792Smarcel * $FreeBSD: releng/10.3/sys/x86/include/sigframe.h 247047 2013-02-20 17:39:52Z kib $ 2951792Smarcel */ 3051792Smarcel 31247047Skib#ifndef _X86_SIGFRAME_H_ 32247047Skib#define _X86_SIGFRAME_H_ 3351792Smarcel 3451907Smarcel/* 3551907Smarcel * Signal frames, arguments passed to application signal handlers. 3651907Smarcel */ 37247047Skib 38247047Skib#ifdef __i386__ 3951792Smarcelstruct sigframe { 40247047Skib /* 41247047Skib * The first four members may be used by applications. 42247047Skib * 43247047Skib * NOTE: The 4th argument is undocumented, ill commented 44247047Skib * on and seems to be somewhat BSD "standard". Handlers 45247047Skib * installed with sigvec may be using it. 46247047Skib */ 47247047Skib register_t sf_signum; 48247047Skib register_t sf_siginfo; /* code or pointer to sf_si */ 49247047Skib register_t sf_ucontext; /* points to sf_uc */ 50247047Skib register_t sf_addr; /* undocumented 4th arg */ 51247047Skib 5251792Smarcel union { 5351792Smarcel __siginfohandler_t *sf_action; 5451792Smarcel __sighandler_t *sf_handler; 5551792Smarcel } sf_ahu; 5651984Smarcel ucontext_t sf_uc; /* = *sf_ucontext */ 5751792Smarcel siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 5851792Smarcel}; 59247047Skib#endif /* __i386__ */ 6051792Smarcel 61247047Skib#ifdef __amd64__ 62247047Skibstruct sigframe { 63247047Skib union { 64247047Skib __siginfohandler_t *sf_action; 65247047Skib __sighandler_t *sf_handler; 66247047Skib } sf_ahu; 67247047Skib ucontext_t sf_uc; /* = *sf_ucontext */ 68247047Skib siginfo_t sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 69247047Skib}; 70247047Skib#endif /* __amd64__ */ 71247047Skib 72247047Skib#endif /* _X86_SIGFRAME_H_ */ 73