1/* $NetBSD: signal.h,v 1.26 2021/10/28 23:41:06 thorpej Exp $ */
2
3/*
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * All advertising materials mentioning features or use of this software
12 * must display the following acknowledgement:
13 * This product includes software developed by the University of
14 * California, Lawrence Berkeley Laboratory.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * @(#)signal.h 8.1 (Berkeley) 6/11/93
41 */
42
43#ifndef _SPARC_SIGNAL_H_
44#define _SPARC_SIGNAL_H_
45
46#include <sys/featuretest.h>
47
48#define __HAVE_STRUCT_SIGCONTEXT
49
50#ifndef _LOCORE
51typedef int sig_atomic_t;
52#endif
53
54#if defined(_NETBSD_SOURCE)
55#ifndef _LOCORE
56#include <sys/sigtypes.h>
57/*
58 * Information pushed on stack when a signal is delivered.
59 * This is used by the kernel to restore state following
60 * execution of the signal handler. It is also made available
61 * to the handler to allow it to restore state properly if
62 * a non-standard exit is performed.
63 *
64 * All machines must have an sc_onstack and sc_mask.
65 */
66#if defined(_KERNEL)
67struct sigcontext13 {
68 int sc_onstack; /* sigstack state to restore */
69 int sc_mask; /* signal mask to restore (old style) */
70 /* begin machine dependent portion */
71 long sc_sp; /* %sp to restore */
72 long sc_pc; /* pc to restore */
73 long sc_npc; /* npc to restore */
74#ifdef __arch64__
75 long sc_tstate; /* tstate to restore */
76#else
77 long sc_psr; /* psr to restore */
78#endif
79 long sc_g1; /* %g1 to restore */
80 long sc_o0; /* %o0 to restore */
81};
82#endif /* _KERNEL */
83
84struct sigcontext {
85 int sc_onstack; /* sigstack state to restore */
86 int __sc_mask13; /* signal mask to restore (old style) */
87 /* begin machine dependent portion */
88 long sc_sp; /* %sp to restore */
89 long sc_pc; /* pc to restore */
90 long sc_npc; /* npc to restore */
91#ifdef __arch64__
92 long sc_tstate; /* tstate to restore */
93#else
94 long sc_psr; /* psr to restore */
95#endif
96 long sc_g1; /* %g1 to restore */
97 long sc_o0; /* %o0 to restore */
98 sigset_t sc_mask; /* signal mask to restore (new style) */
99};
100
101#else /* _LOCORE */
102/* XXXXX These values don't work for _LP64 */
103#define SC_SP_OFFSET 8
104#define SC_PC_OFFSET 12
105#define SC_NPC_OFFSET 16
106#define SC_PSR_OFFSET 20
107#define SC_G1_OFFSET 24
108#define SC_O0_OFFSET 28
109#endif /* _LOCORE */
110
111/*
112 * `Code' arguments to signal handlers. The names, and the funny numbering.
113 * are defined so as to match up with what SunOS uses; I have no idea why
114 * they did the numbers that way, except maybe to match up with the 68881.
115 */
116#define FPE_INTOVF_TRAP 0x01 /* integer overflow */
117#define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */
118#define FPE_FLTINEX_TRAP 0xc4 /* inexact */
119#define FPE_FLTDIV_TRAP 0xc8 /* divide by zero */
120#define FPE_FLTUND_TRAP 0xcc /* underflow */
121#define FPE_FLTOPERR_TRAP 0xd0 /* operand error */
122#define FPE_FLTOVF_TRAP 0xd4 /* overflow */
123
124#endif /* _NETBSD_SOURCE */
125#endif /* !_SPARC_SIGNAL_H_ */