1 /*-
2 * Copyright (c) 2003 Peter Wemm.
3 * Copyright (c) 1986, 1989, 1991, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 4. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * @(#)signal.h 8.1 (Berkeley) 6/11/93
31 * $FreeBSD: releng/9.0/sys/amd64/include/signal.h 190623 2009-04-01 13:44:28Z kib $
32 */
33
34 #ifndef _MACHINE_SIGNAL_H_
35 #define _MACHINE_SIGNAL_H_
36
37 #include <sys/cdefs.h>
38 #include <sys/_sigset.h>
39
40 /*
41 * Machine-dependent signal definitions
42 */
43
44 typedef long sig_atomic_t;
45
46 #if __BSD_VISIBLE
47 #include <machine/trap.h> /* codes for SIGILL, SIGFPE */
48
49 /*
50 * Only the kernel should need these old type definitions.
51 */
52 /*
53 * Information pushed on stack when a signal is delivered.
54 * This is used by the kernel to restore state following
55 * execution of the signal handler. It is also made available
56 * to the handler to allow it to restore state properly if
57 * a non-standard exit is performed.
58 */
59 /*
60 * The sequence of the fields/registers in struct sigcontext should match
61 * those in mcontext_t.
62 */
63 struct sigcontext {
64 struct __sigset sc_mask; /* signal mask to restore */
65 long sc_onstack; /* sigstack state to restore */
66 long sc_rdi; /* machine state (struct trapframe) */
67 long sc_rsi;
68 long sc_rdx;
69 long sc_rcx;
70 long sc_r8;
71 long sc_r9;
72 long sc_rax;
73 long sc_rbx;
74 long sc_rbp;
75 long sc_r10;
76 long sc_r11;
77 long sc_r12;
78 long sc_r13;
79 long sc_r14;
80 long sc_r15;
81 int sc_trapno;
82 short sc_fs;
83 short sc_gs;
84 long sc_addr;
85 int sc_flags;
86 short sc_es;
87 short sc_ds;
88 long sc_err;
89 long sc_rip;
90 long sc_cs;
91 long sc_rflags;
92 long sc_rsp;
93 long sc_ss;
94 long sc_len; /* sizeof(mcontext_t) */
95 /*
96 * XXX - See <machine/ucontext.h> and <machine/fpu.h> for
97 * the following fields.
98 */
99 long sc_fpformat;
100 long sc_ownedfp;
101 long sc_fpstate[64] __aligned(16);
102
103 long sc_fsbase;
104 long sc_gsbase;
105
106 long sc_spare[6];
107 };
108 #endif /* __BSD_VISIBLE */
109
110 #endif /* !_MACHINE_SIGNAL_H_ */
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