signal.h revision 1.16 
1/*	$NetBSD: signal.h,v 1.16 2003/11/25 23:11:52 christos 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
39typedef int sig_atomic_t;
40
41#define __HAVE_SIGINFO
42
43#if defined(_NETBSD_SOURCE)
44
45#ifdef COMPAT_16
46#define SIGTRAMP_VALID(vers)	((unsigned)(vers) <= 2)
47#else
48#define SIGTRAMP_VALID(vers)	((vers) == 2)
49#endif
50
51/*
52 * Get the "code" values
53 */
54#include <machine/trap.h>
55
56/*
57 * Information pushed on stack when a signal is delivered.
58 * This is used by the kernel to restore state following
59 * execution of the signal handler.  It is also made available
60 * to the handler to allow it to restore state properly if
61 * a non-standard exit is performed.
62 */
63#if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
64struct sigcontext13 {
65	int	sc_onstack;		/* sigstack state to restore */
66	int	sc_mask;		/* signal mask to restore (old style) */
67	int	sc_sp;			/* sp to restore */
68	int	sc_fp;			/* fp to restore */
69	int	sc_ap;			/* ap to restore */
70	int	sc_pc;			/* pc to restore */
71	int	sc_ps;			/* psl to restore */
72};
73#endif /* __LIBC12_SOURCE__ || _KERNEL */
74
75struct sigcontext {
76	int	sc_onstack;		/* sigstack state to restore */
77	int	__sc_mask13;		/* signal mask to restore (old style) */
78	int	sc_sp;			/* sp to restore */
79	int	sc_fp;			/* fp to restore */
80	int	sc_ap;			/* ap to restore */
81	int	sc_pc;			/* pc to restore */
82	int	sc_ps;			/* psl to restore */
83	sigset_t sc_mask;		/* signal mask to restore (new style) */
84};
85
86#include <m68k/cpuframe.h>
87
88/*
89 * Register state saved while kernel delivers a signal.
90 */
91struct sigstate {
92	int	ss_flags;		/* which of the following are valid */
93	struct frame ss_frame;		/* original exception frame */
94	struct fpframe ss_fpstate;	/* 68881/68882 state info */
95};
96
97#define	SS_RTEFRAME	0x01
98#define	SS_FPSTATE	0x02
99#define	SS_USERREGS	0x04
100
101#if defined(__M68K_SIGNAL_PRIVATE)
102
103#ifdef _KERNEL
104#define	_SIGSTATE_EXFRAMESIZE(fmt)	exframesize[(fmt)]
105#endif
106
107#endif /* __M68K_SIGNAL_PRIVATE */
108
109#endif	/* _NETBSD_SOURCE */
110#endif	/* !_M68K_SIGNAL_H_ */
111