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_ */