1139790Simp/*- 21543Srgrimes * Copyright (c) 1986, 1989, 1991, 1993 31543Srgrimes * The Regents of the University of California. All rights reserved. 41543Srgrimes * 51543Srgrimes * Redistribution and use in source and binary forms, with or without 61543Srgrimes * modification, are permitted provided that the following conditions 71543Srgrimes * are met: 81543Srgrimes * 1. Redistributions of source code must retain the above copyright 91543Srgrimes * notice, this list of conditions and the following disclaimer. 101543Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111543Srgrimes * notice, this list of conditions and the following disclaimer in the 121543Srgrimes * documentation and/or other materials provided with the distribution. 131543Srgrimes * 4. Neither the name of the University nor the names of its contributors 141543Srgrimes * may be used to endorse or promote products derived from this software 151543Srgrimes * without specific prior written permission. 161543Srgrimes * 171543Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181543Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191543Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201543Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211543Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221543Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231543Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241543Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251543Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261543Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271543Srgrimes * SUCH DAMAGE. 281543Srgrimes * 291543Srgrimes * @(#)signal.h 8.1 (Berkeley) 6/11/93 3050477Speter * $FreeBSD$ 311543Srgrimes */ 321543Srgrimes 339343Sbde#ifndef _MACHINE_SIGNAL_H_ 349343Sbde#define _MACHINE_SIGNAL_H_ 352166Spaul 36105014Smike#include <sys/cdefs.h> 37105014Smike#include <sys/_sigset.h> 38105014Smike 391543Srgrimes/* 401543Srgrimes * Machine-dependent signal definitions 411543Srgrimes */ 421543Srgrimes 431543Srgrimestypedef int sig_atomic_t; 441543Srgrimes 45105014Smike#if __BSD_VISIBLE 461543Srgrimes#include <machine/trap.h> /* codes for SIGILL, SIGFPE */ 471543Srgrimes 481543Srgrimes/* 491543Srgrimes * Information pushed on stack when a signal is delivered. 501543Srgrimes * This is used by the kernel to restore state following 511543Srgrimes * execution of the signal handler. It is also made available 521543Srgrimes * to the handler to allow it to restore state properly if 531543Srgrimes * a non-standard exit is performed. 541543Srgrimes */ 55229023Skib 56229023Skib#if defined(_KERNEL) && defined(COMPAT_43) 57229023Skib/* 58229023Skib * Only the kernel should need these old type definitions. 59229023Skib */ 6083047Sobrienstruct osigcontext { 6153108Smarcel int sc_onstack; /* sigstack state to restore */ 6253108Smarcel osigset_t sc_mask; /* signal mask to restore */ 6353108Smarcel int sc_esp; /* machine state follows: */ 6451942Smarcel int sc_ebp; 6551942Smarcel int sc_isp; 6651942Smarcel int sc_eip; 6751942Smarcel int sc_efl; 6851942Smarcel int sc_es; 6951942Smarcel int sc_ds; 7051942Smarcel int sc_cs; 7151942Smarcel int sc_ss; 7251942Smarcel int sc_edi; 7351942Smarcel int sc_esi; 7451942Smarcel int sc_ebx; 7551942Smarcel int sc_edx; 7651942Smarcel int sc_ecx; 7751942Smarcel int sc_eax; 7851942Smarcel int sc_gs; 7951942Smarcel int sc_fs; 8051942Smarcel int sc_trapno; 8151942Smarcel int sc_err; 8251942Smarcel}; 8390776Sdeischen#endif 8451942Smarcel 8551942Smarcel/* 8653108Smarcel * The sequence of the fields/registers in struct sigcontext should match 87229023Skib * those in mcontext_t and struct trapframe. 8851942Smarcel */ 8983047Sobrienstruct sigcontext { 90105014Smike struct __sigset sc_mask; /* signal mask to restore */ 9151942Smarcel int sc_onstack; /* sigstack state to restore */ 92107521Sdeischen int sc_gs; /* machine state (struct trapframe) */ 9351942Smarcel int sc_fs; 9451942Smarcel int sc_es; 9551942Smarcel int sc_ds; 9651942Smarcel int sc_edi; 9751942Smarcel int sc_esi; 9851942Smarcel int sc_ebp; 9951942Smarcel int sc_isp; 10051942Smarcel int sc_ebx; 10151942Smarcel int sc_edx; 10251942Smarcel int sc_ecx; 10351942Smarcel int sc_eax; 10451942Smarcel int sc_trapno; 10551942Smarcel int sc_err; 10651942Smarcel int sc_eip; 10751942Smarcel int sc_cs; 10851942Smarcel int sc_efl; 10953108Smarcel int sc_esp; 11051942Smarcel int sc_ss; 111106977Sdeischen int sc_len; /* sizeof(mcontext_t) */ 11253108Smarcel /* 113229023Skib * See <machine/ucontext.h> and <machine/npx.h> for 114229023Skib * the following fields. 11553108Smarcel */ 116103408Smini int sc_fpformat; 117103408Smini int sc_ownedfp; 118231979Skib int sc_flags; 119107521Sdeischen int sc_fpstate[128] __aligned(16); 120190623Skib 121190623Skib int sc_fsbase; 122190623Skib int sc_gsbase; 123190623Skib 124231979Skib int sc_xfpustate; 125231979Skib int sc_xfpustate_len; 126231979Skib 127231979Skib int sc_spare2[4]; 12851942Smarcel}; 12951942Smarcel 13053108Smarcel#define sc_sp sc_esp 13153108Smarcel#define sc_fp sc_ebp 13253108Smarcel#define sc_pc sc_eip 13353108Smarcel#define sc_ps sc_efl 13453108Smarcel#define sc_eflags sc_efl 1352166Spaul 136105014Smike#endif /* __BSD_VISIBLE */ 1379343Sbde 1389343Sbde#endif /* !_MACHINE_SIGNAL_H_ */ 139