summaryrefslogtreecommitdiff
path: root/sys/arch/sh3/include/frame.h
blob: 56cb7aadc0041dba1e2a9fa4fb8c080142c2eb12 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/*	$NetBSD: frame.h,v 1.20 2012/02/19 21:06:26 rmind Exp $	*/

/*-
 * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)frame.h	5.2 (Berkeley) 1/18/91
 */

/*-
 * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)frame.h	5.2 (Berkeley) 1/18/91
 */

#ifndef _SH3_FRAME_H_
#define	_SH3_FRAME_H_

#include <sys/signal.h>

/*
 * Exception Stack Frame
 */
struct trapframe {
	/* software member */
	int	tf_expevt;
	int	tf_ubc;
	/* hardware registers */
	int	tf_spc;
	int	tf_ssr;
	int	tf_gbr;
	int	tf_macl;
	int	tf_mach;
	int	tf_pr;
	int	tf_r13;
	int	tf_r12;
	int	tf_r11;
	int	tf_r10;
	int	tf_r9;
	int	tf_r8;
	int	tf_r7;
	int	tf_r6;
	int	tf_r5;
	int	tf_r4;
	int	tf_r3;
	int	tf_r2;
	int	tf_r1;
	int	tf_r0;
	int	tf_r15;
	int	tf_r14;
};

/*
 * Stack frame inside cpu_switch()
 */
struct switchframe {
	int	sf_gbr;
	int	sf_sr;
	int	sf_pr;
	int	sf_r8;
	int	sf_r9;
	int	sf_r10;
	int	sf_r11;
	int	sf_r12;
	int	sf_r13;
	int	sf_r14;
	int	sf_r15;
	int	sf_r6_bank;
	int	sf_r7_bank;
};

/*
 * Signal frame.
 *
 * NB: The order of sf_uc and sf_si is different from what other ports
 * use (siginfo at the top of the stack), because we want to avoid
 * wasting two instructions in __sigtramp_siginfo_2 to skip to the
 * ucontext.  Not that this order really matters, but I think this
 * inconsistency deserves an explanation.
 */
struct sigframe_siginfo {
#if 0 /* in registers on entry to signal trampoline */
	int		sf_signum; /* r4 - "signum" argument for handler */
	siginfo_t	*sf_sip;   /* r5 - "sip" argument for handler */
	ucontext_t	*sf_ucp;   /* r6 - "ucp" argument for handler */
#endif
	ucontext_t	sf_uc;	/* actual saved ucontext */
	siginfo_t	sf_si;	/* actual saved siginfo */
};

#if defined(COMPAT_16) && defined(_KERNEL)
/*
 * Old signal frame format.
 */
struct sigframe_sigcontext {
#if 0 /* in registers on entry to signal trampoline */
	int	sf_signum;	/* r4 - "signum" argument for handler */
	int	sf_code;	/* r5 - "code" argument for handler */
	struct sigcontext *sf_scp; /* r6 - "scp" argument for handler */
#endif
	struct sigcontext sf_sc; /* actual saved context */
};
#endif

#ifdef _KERNEL
void *getframe(const struct lwp *, int, int *);
#endif

#endif /* !_SH3_FRAME_H_ */