1/*	$NetBSD: signal.h,v 1.28 2021/10/29 17:29:45 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 _M68K_SIGNAL_H_
 35#define _M68K_SIGNAL_H_
 36
 37#include <sys/featuretest.h>
 38
 39#define	__HAVE_STRUCT_SIGCONTEXT
 40
 41typedef int sig_atomic_t;
 42
 43#if defined(_NETBSD_SOURCE)
 44
 45/*
 46 * Get the "code" values
 47 */
 48#include <machine/trap.h>
 49
 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 */
 57#if defined(_KERNEL)
 58struct sigcontext13 {
 59	int	sc_onstack;		/* sigstack state to restore */
 60	int	sc_mask;		/* signal mask to restore (old style) */
 61	int	sc_sp;			/* sp to restore */
 62	int	sc_fp;			/* fp to restore */
 63	int	sc_ap;			/* ap to restore */
 64	int	sc_pc;			/* pc to restore */
 65	int	sc_ps;			/* psl to restore */
 66};
 67#endif /* _KERNEL */
 68
 69#if defined(_LIBC) || defined(_KERNEL)
 70struct sigcontext {
 71	int	sc_onstack;		/* sigstack state to restore */
 72	int	__sc_mask13;		/* signal mask to restore (old style) */
 73	int	sc_sp;			/* sp to restore */
 74	int	sc_fp;			/* fp to restore */
 75	int	sc_ap;			/* ap to restore */
 76	int	sc_pc;			/* pc to restore */
 77	int	sc_ps;			/* psl to restore */
 78	sigset_t sc_mask;		/* signal mask to restore (new style) */
 79};
 80#endif /* _LIBC || _KERNEL */
 81
 82#ifdef _KERNEL
 83#include <m68k/cpuframe.h>
 84
 85/*
 86 * Register state saved while kernel delivers a signal.
 87 */
 88struct sigstate {
 89	int	ss_flags;		/* which of the following are valid */
 90	struct frame ss_frame;		/* original exception frame */
 91	struct fpframe ss_fpstate;	/* 68881/68882 state info */
 92};
 93
 94#define	SS_RTEFRAME	0x01
 95#define	SS_FPSTATE	0x02
 96#define	SS_USERREGS	0x04
 97
 98u_int fpsr2siginfocode(u_int fpsr);
 99
100#endif /* _KERNEL */
101
102#if defined(__M68K_SIGNAL_PRIVATE)
103
104#ifdef _KERNEL
105#define	_SIGSTATE_EXFRAMESIZE(fmt)	exframesize[(fmt)]
106#endif
107
108#endif /* __M68K_SIGNAL_PRIVATE */
109
110#endif	/* _NETBSD_SOURCE */
111#endif	/* !_M68K_SIGNAL_H_ */