1 /*- 2 * Copyright (c) 2003 Peter Wemm. 3 * Copyright (c) 1986, 1989, 1991, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 4. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)signal.h 8.1 (Berkeley) 6/11/93 31 * $FreeBSD$ 32 */ 33 34 #ifndef _MACHINE_SIGNAL_H_ 35 #define _MACHINE_SIGNAL_H_ 36 37 #include <sys/cdefs.h> 38 #include <sys/_sigset.h> 39 40 /* 41 * Machine-dependent signal definitions 42 */ 43 44 typedef long sig_atomic_t; 45 46 #if __BSD_VISIBLE 47 #include <machine/trap.h> /* codes for SIGILL, SIGFPE */ 48 49 /* 50 * Information pushed on stack when a signal is delivered. 51 * This is used by the kernel to restore state following 52 * execution of the signal handler. It is also made available 53 * to the handler to allow it to restore state properly if 54 * a non-standard exit is performed. 55 * 56 * The sequence of the fields/registers after sc_mask in struct 57 * sigcontext must match those in mcontext_t and struct trapframe. 58 */ 59 struct sigcontext { 60 struct __sigset sc_mask; /* signal mask to restore */ 61 long sc_onstack; /* sigstack state to restore */ 62 long sc_rdi; /* machine state (struct trapframe) */ 63 long sc_rsi; 64 long sc_rdx; 65 long sc_rcx; 66 long sc_r8; 67 long sc_r9; 68 long sc_rax; 69 long sc_rbx; 70 long sc_rbp; 71 long sc_r10; 72 long sc_r11; 73 long sc_r12; 74 long sc_r13; 75 long sc_r14; 76 long sc_r15; 77 int sc_trapno; 78 short sc_fs; 79 short sc_gs; 80 long sc_addr; 81 int sc_flags; 82 short sc_es; 83 short sc_ds; 84 long sc_err; 85 long sc_rip; 86 long sc_cs; 87 long sc_rflags; 88 long sc_rsp; 89 long sc_ss; 90 long sc_len; /* sizeof(mcontext_t) */ 91 /* 92 * See <machine/ucontext.h> and <machine/fpu.h> for the following 93 * fields. 94 */ 95 long sc_fpformat; 96 long sc_ownedfp; 97 long sc_fpstate[64] __aligned(16); 98 99 long sc_fsbase; 100 long sc_gsbase; 101 102 long sc_spare[6]; 103 }; 104 #endif /* __BSD_VISIBLE */ 105 106 #endif /* !_MACHINE_SIGNAL_H_ */ 107