1/*	$NetBSD: signal.h,v 1.31 2021/10/29 01:04:53 thorpej Exp $	*/
  2
  3/*
  4 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
  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. Neither the name of the University nor the names of its contributors
 16 *    may be used to endorse or promote products derived from this software
 17 *    without specific prior written permission.
 18 *
 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 29 * SUCH DAMAGE.
 30 *
 31 *	@(#)signal.h	7.16 (Berkeley) 3/17/91
 32 */
 33
 34#ifndef _I386_SIGNAL_H_
 35#define _I386_SIGNAL_H_
 36
 37#include <sys/featuretest.h>
 38
 39typedef int sig_atomic_t;
 40
 41#define	__HAVE_STRUCT_SIGCONTEXT
 42
 43#if defined(_NETBSD_SOURCE)
 44/*
 45 * Get the "code" values
 46 */
 47#include <machine/trap.h>
 48
 49#if defined(_KERNEL)
 50/*
 51 * Information pushed on stack when a signal is delivered.
 52 * This is used by the kernel to restore state following
 53 * execution of the signal handler.  It is also made available
 54 * to the handler to allow it to restore state properly if
 55 * a non-standard exit is performed.
 56 */
 57struct sigcontext13 {
 58	int	sc_gs;
 59	int	sc_fs;
 60	int	sc_es;
 61	int	sc_ds;
 62	int	sc_edi;
 63	int	sc_esi;
 64	int	sc_ebp;
 65	int	sc_ebx;
 66	int	sc_edx;
 67	int	sc_ecx;
 68	int	sc_eax;
 69	/* XXX */
 70	int	sc_eip;
 71	int	sc_cs;
 72	int	sc_eflags;
 73	int	sc_esp;
 74	int	sc_ss;
 75
 76	int	sc_onstack;		/* sigstack state to restore */
 77	int	sc_mask;		/* signal mask to restore (old style) */
 78
 79	int	sc_trapno;		/* XXX should be above */
 80	int	sc_err;
 81};
 82
 83struct sigcontext {
 84	int	sc_gs;
 85	int	sc_fs;
 86	int	sc_es;
 87	int	sc_ds;
 88	int	sc_edi;
 89	int	sc_esi;
 90	int	sc_ebp;
 91	int	sc_ebx;
 92	int	sc_edx;
 93	int	sc_ecx;
 94	int	sc_eax;
 95	/* XXX */
 96	int	sc_eip;
 97	int	sc_cs;
 98	int	sc_eflags;
 99	int	sc_esp;
100	int	sc_ss;
101
102	int	sc_onstack;		/* sigstack state to restore */
103	int	__sc_mask13;		/* signal mask to restore (old style) */
104
105	int	sc_trapno;		/* XXX should be above */
106	int	sc_err;
107
108	sigset_t sc_mask;		/* signal mask to restore (new style) */
109};
110#endif /* _KERNEL */
111
112#endif	/* _NETBSD_SOURCE */
113#endif	/* !_I386_SIGNAL_H_ */