1/*
2 * Copyright (c) 1986, 1989, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)signal.h 8.1 (Berkeley) 6/11/93
34 * $FreeBSD: head/sys/i386/include/signal.h 53108 1999-11-12 13:52:11Z marcel $
35 */
36
37#ifndef _MACHINE_SIGNAL_H_
38#define _MACHINE_SIGNAL_H_
39
40/*
41 * Machine-dependent signal definitions
42 */
43
44typedef int sig_atomic_t;
45
46#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
47
48#include <machine/trap.h> /* codes for SIGILL, SIGFPE */
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 */
57typedef unsigned int osigset_t;
58
59struct osigcontext {
60 int sc_onstack; /* sigstack state to restore */
61 osigset_t sc_mask; /* signal mask to restore */
62 int sc_esp; /* machine state follows: */
63 int sc_ebp;
64 int sc_isp;
65 int sc_eip;
66 int sc_efl;
67 int sc_es;
68 int sc_ds;
69 int sc_cs;
70 int sc_ss;
71 int sc_edi;
72 int sc_esi;
73 int sc_ebx;
74 int sc_edx;
75 int sc_ecx;
76 int sc_eax;
77 int sc_gs;
78 int sc_fs;
79 int sc_trapno;
80 int sc_err;
81};
82
83/*
84 * The sequence of the fields/registers in struct sigcontext should match
85 * those in mcontext_t.
86 */
87struct sigcontext {
88 sigset_t sc_mask; /* signal mask to restore */
89 int sc_onstack; /* sigstack state to restore */
90 int sc_gs; /* machine state (struct trapframe): */
91 int sc_fs;
92 int sc_es;
93 int sc_ds;
94 int sc_edi;
95 int sc_esi;
96 int sc_ebp;
97 int sc_isp;
98 int sc_ebx;
99 int sc_edx;
100 int sc_ecx;
101 int sc_eax;
102 int sc_trapno;
103 int sc_err;
104 int sc_eip;
105 int sc_cs;
106 int sc_efl;
107 int sc_esp;
108 int sc_ss;
109 /*
110 * XXX FPU state is 27 * 4 bytes h/w, 1 * 4 bytes s/w (probably not
111 * needed here), or that + 16 * 4 bytes for emulators (probably all
112 * needed here). The "spare" bytes are mostly not spare.
113 */
114 int sc_fpregs[28]; /* machine state (FPU): */
115 int sc_spare[17];
116};
117
118#define sc_sp sc_esp
119#define sc_fp sc_ebp
120#define sc_pc sc_eip
121#define sc_ps sc_efl
122#define sc_eflags sc_efl
123
124#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
125
126#endif /* !_MACHINE_SIGNAL_H_ */
2 * Copyright (c) 1986, 1989, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)signal.h 8.1 (Berkeley) 6/11/93
34 * $FreeBSD: head/sys/i386/include/signal.h 53108 1999-11-12 13:52:11Z marcel $
35 */
36
37#ifndef _MACHINE_SIGNAL_H_
38#define _MACHINE_SIGNAL_H_
39
40/*
41 * Machine-dependent signal definitions
42 */
43
44typedef int sig_atomic_t;
45
46#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
47
48#include <machine/trap.h> /* codes for SIGILL, SIGFPE */
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 */
57typedef unsigned int osigset_t;
58
59struct osigcontext {
60 int sc_onstack; /* sigstack state to restore */
61 osigset_t sc_mask; /* signal mask to restore */
62 int sc_esp; /* machine state follows: */
63 int sc_ebp;
64 int sc_isp;
65 int sc_eip;
66 int sc_efl;
67 int sc_es;
68 int sc_ds;
69 int sc_cs;
70 int sc_ss;
71 int sc_edi;
72 int sc_esi;
73 int sc_ebx;
74 int sc_edx;
75 int sc_ecx;
76 int sc_eax;
77 int sc_gs;
78 int sc_fs;
79 int sc_trapno;
80 int sc_err;
81};
82
83/*
84 * The sequence of the fields/registers in struct sigcontext should match
85 * those in mcontext_t.
86 */
87struct sigcontext {
88 sigset_t sc_mask; /* signal mask to restore */
89 int sc_onstack; /* sigstack state to restore */
90 int sc_gs; /* machine state (struct trapframe): */
91 int sc_fs;
92 int sc_es;
93 int sc_ds;
94 int sc_edi;
95 int sc_esi;
96 int sc_ebp;
97 int sc_isp;
98 int sc_ebx;
99 int sc_edx;
100 int sc_ecx;
101 int sc_eax;
102 int sc_trapno;
103 int sc_err;
104 int sc_eip;
105 int sc_cs;
106 int sc_efl;
107 int sc_esp;
108 int sc_ss;
109 /*
110 * XXX FPU state is 27 * 4 bytes h/w, 1 * 4 bytes s/w (probably not
111 * needed here), or that + 16 * 4 bytes for emulators (probably all
112 * needed here). The "spare" bytes are mostly not spare.
113 */
114 int sc_fpregs[28]; /* machine state (FPU): */
115 int sc_spare[17];
116};
117
118#define sc_sp sc_esp
119#define sc_fp sc_ebp
120#define sc_pc sc_eip
121#define sc_ps sc_efl
122#define sc_eflags sc_efl
123
124#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
125
126#endif /* !_MACHINE_SIGNAL_H_ */