1199767f8SToomas Soome /*- 2199767f8SToomas Soome * Copyright (c) 1986, 1989, 1991, 1993 3199767f8SToomas Soome * The Regents of the University of California. All rights reserved. 4199767f8SToomas Soome * Copyright (c) 2003 Peter Wemm. 5199767f8SToomas Soome * 6199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 7199767f8SToomas Soome * modification, are permitted provided that the following conditions 8199767f8SToomas Soome * are met: 9199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 10199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 11199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 12199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 13199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 14199767f8SToomas Soome * 4. Neither the name of the University nor the names of its contributors 15199767f8SToomas Soome * may be used to endorse or promote products derived from this software 16199767f8SToomas Soome * without specific prior written permission. 17199767f8SToomas Soome * 18199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28199767f8SToomas Soome * SUCH DAMAGE. 29199767f8SToomas Soome * 30199767f8SToomas Soome * @(#)signal.h 8.1 (Berkeley) 6/11/93 31199767f8SToomas Soome * $FreeBSD$ 32199767f8SToomas Soome */ 33199767f8SToomas Soome 34199767f8SToomas Soome #ifndef _X86_SIGNAL_H 35199767f8SToomas Soome #define _X86_SIGNAL_H 1 36199767f8SToomas Soome 37199767f8SToomas Soome /* 38199767f8SToomas Soome * Machine-dependent signal definitions 39199767f8SToomas Soome */ 40199767f8SToomas Soome 41199767f8SToomas Soome #include <sys/cdefs.h> 42199767f8SToomas Soome #include <sys/_sigset.h> 43199767f8SToomas Soome 44199767f8SToomas Soome #if __BSD_VISIBLE 45199767f8SToomas Soome #include <machine/trap.h> /* codes for SIGILL, SIGFPE */ 46199767f8SToomas Soome #endif 47199767f8SToomas Soome 48*5642709dSToomas Soome #if defined(__i386__) && !defined(__amd64__) 49199767f8SToomas Soome typedef int sig_atomic_t; 50199767f8SToomas Soome 51199767f8SToomas Soome #if __BSD_VISIBLE 52199767f8SToomas Soome struct sigcontext { 53199767f8SToomas Soome struct __sigset sc_mask; /* signal mask to restore */ 54199767f8SToomas Soome int sc_onstack; /* sigstack state to restore */ 55199767f8SToomas Soome int sc_gs; /* machine state (struct trapframe) */ 56199767f8SToomas Soome int sc_fs; 57199767f8SToomas Soome int sc_es; 58199767f8SToomas Soome int sc_ds; 59199767f8SToomas Soome int sc_edi; 60199767f8SToomas Soome int sc_esi; 61199767f8SToomas Soome int sc_ebp; 62199767f8SToomas Soome int sc_isp; 63199767f8SToomas Soome int sc_ebx; 64199767f8SToomas Soome int sc_edx; 65199767f8SToomas Soome int sc_ecx; 66199767f8SToomas Soome int sc_eax; 67199767f8SToomas Soome int sc_trapno; 68199767f8SToomas Soome int sc_err; 69199767f8SToomas Soome int sc_eip; 70199767f8SToomas Soome int sc_cs; 71199767f8SToomas Soome int sc_efl; 72199767f8SToomas Soome int sc_esp; 73199767f8SToomas Soome int sc_ss; 74199767f8SToomas Soome int sc_len; /* sizeof(mcontext_t) */ 75199767f8SToomas Soome /* 76199767f8SToomas Soome * See <machine/ucontext.h> and <machine/npx.h> for 77199767f8SToomas Soome * the following fields. 78199767f8SToomas Soome */ 79199767f8SToomas Soome int sc_fpformat; 80199767f8SToomas Soome int sc_ownedfp; 81199767f8SToomas Soome int sc_flags; 82199767f8SToomas Soome int sc_fpstate[128] __aligned(16); 83199767f8SToomas Soome 84199767f8SToomas Soome int sc_fsbase; 85199767f8SToomas Soome int sc_gsbase; 86199767f8SToomas Soome 87199767f8SToomas Soome int sc_xfpustate; 88199767f8SToomas Soome int sc_xfpustate_len; 89199767f8SToomas Soome 90199767f8SToomas Soome int sc_spare2[4]; 91199767f8SToomas Soome }; 92199767f8SToomas Soome 93199767f8SToomas Soome #define sc_sp sc_esp 94199767f8SToomas Soome #define sc_fp sc_ebp 95199767f8SToomas Soome #define sc_pc sc_eip 96199767f8SToomas Soome #define sc_ps sc_efl 97199767f8SToomas Soome #define sc_eflags sc_efl 98199767f8SToomas Soome 99199767f8SToomas Soome #endif /* __BSD_VISIBLE */ 100199767f8SToomas Soome #endif /* __i386__ */ 101199767f8SToomas Soome 102199767f8SToomas Soome #ifdef __amd64__ 103199767f8SToomas Soome typedef long sig_atomic_t; 104199767f8SToomas Soome 105199767f8SToomas Soome #if __BSD_VISIBLE 106199767f8SToomas Soome /* 107199767f8SToomas Soome * Information pushed on stack when a signal is delivered. 108199767f8SToomas Soome * This is used by the kernel to restore state following 109199767f8SToomas Soome * execution of the signal handler. It is also made available 110199767f8SToomas Soome * to the handler to allow it to restore state properly if 111199767f8SToomas Soome * a non-standard exit is performed. 112199767f8SToomas Soome * 113199767f8SToomas Soome * The sequence of the fields/registers after sc_mask in struct 114199767f8SToomas Soome * sigcontext must match those in mcontext_t and struct trapframe. 115199767f8SToomas Soome */ 116199767f8SToomas Soome struct sigcontext { 117199767f8SToomas Soome struct __sigset sc_mask; /* signal mask to restore */ 118199767f8SToomas Soome long sc_onstack; /* sigstack state to restore */ 119199767f8SToomas Soome long sc_rdi; /* machine state (struct trapframe) */ 120199767f8SToomas Soome long sc_rsi; 121199767f8SToomas Soome long sc_rdx; 122199767f8SToomas Soome long sc_rcx; 123199767f8SToomas Soome long sc_r8; 124199767f8SToomas Soome long sc_r9; 125199767f8SToomas Soome long sc_rax; 126199767f8SToomas Soome long sc_rbx; 127199767f8SToomas Soome long sc_rbp; 128199767f8SToomas Soome long sc_r10; 129199767f8SToomas Soome long sc_r11; 130199767f8SToomas Soome long sc_r12; 131199767f8SToomas Soome long sc_r13; 132199767f8SToomas Soome long sc_r14; 133199767f8SToomas Soome long sc_r15; 134199767f8SToomas Soome int sc_trapno; 135199767f8SToomas Soome short sc_fs; 136199767f8SToomas Soome short sc_gs; 137199767f8SToomas Soome long sc_addr; 138199767f8SToomas Soome int sc_flags; 139199767f8SToomas Soome short sc_es; 140199767f8SToomas Soome short sc_ds; 141199767f8SToomas Soome long sc_err; 142199767f8SToomas Soome long sc_rip; 143199767f8SToomas Soome long sc_cs; 144199767f8SToomas Soome long sc_rflags; 145199767f8SToomas Soome long sc_rsp; 146199767f8SToomas Soome long sc_ss; 147199767f8SToomas Soome long sc_len; /* sizeof(mcontext_t) */ 148199767f8SToomas Soome /* 149199767f8SToomas Soome * See <machine/ucontext.h> and <machine/fpu.h> for the following 150199767f8SToomas Soome * fields. 151199767f8SToomas Soome */ 152199767f8SToomas Soome long sc_fpformat; 153199767f8SToomas Soome long sc_ownedfp; 154199767f8SToomas Soome long sc_fpstate[64] __aligned(16); 155199767f8SToomas Soome 156199767f8SToomas Soome long sc_fsbase; 157199767f8SToomas Soome long sc_gsbase; 158199767f8SToomas Soome 159199767f8SToomas Soome long sc_xfpustate; 160199767f8SToomas Soome long sc_xfpustate_len; 161199767f8SToomas Soome 162199767f8SToomas Soome long sc_spare[4]; 163199767f8SToomas Soome }; 164199767f8SToomas Soome #endif /* __BSD_VISIBLE */ 165199767f8SToomas Soome #endif /* __amd64__ */ 166199767f8SToomas Soome 167199767f8SToomas Soome #endif 168