1 /* 2 * Copyright (c) 1986, 1989, 1991, 1993 3 * The Regents of the University of California. 4 * Copyright (c) 2008 The DragonFly Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)signal.h 8.1 (Berkeley) 6/11/93 36 * $FreeBSD: src/sys/i386/include/signal.h,v 1.12 1999/11/12 13:52:11 marcel Exp $ 37 */ 38 39 #ifndef _CPU_SIGNAL_H_ 40 #define _CPU_SIGNAL_H_ 41 42 /* 43 * Machine-dependent signal definitions 44 */ 45 46 typedef int sig_atomic_t; 47 48 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 49 50 #include <machine/trap.h> /* codes for SIGILL, SIGFPE */ 51 52 /* 53 * Information pushed on stack when a signal is delivered. 54 * This is used by the kernel to restore state following 55 * execution of the signal handler. It is also made available 56 * to the handler to allow it to restore state properly if 57 * a non-standard exit is performed. 58 * 59 * The sequence of the fields/registers in struct sigcontext should match 60 * those in mcontext_t. 61 */ 62 struct sigcontext { 63 sigset_t sc_mask; /* signal mask to restore */ 64 65 long sc_onstack; /* sigstack state to restore */ 66 long sc_rdi; 67 long sc_rsi; 68 long sc_rdx; 69 long sc_rcx; 70 long sc_r8; 71 long sc_r9; 72 long sc_rax; 73 long sc_rbx; 74 long sc_rbp; 75 long sc_r10; 76 long sc_r11; 77 long sc_r12; 78 long sc_r13; 79 long sc_r14; 80 long sc_r15; 81 long sc_xflags; 82 long sc_trapno; 83 long sc_addr; 84 long sc_flags; 85 long sc_err; 86 long sc_rip; 87 long sc_cs; 88 long sc_rflags; 89 long sc_rsp; 90 long sc_ss; 91 92 unsigned int sc_len; 93 unsigned int sc_fpformat; 94 unsigned int sc_ownedfp; 95 unsigned int sc_reserved; 96 unsigned int sc_unused01; 97 unsigned int sc_unused02; 98 99 /* 16 byte aligned */ 100 101 int sc_fpregs[128]; 102 int __spare__[16]; 103 }; 104 105 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ 106 107 #endif /* !_CPU_SIGNAL_H_ */ 108