frame.h revision 557 
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	from: @(#)frame.h	5.2 (Berkeley) 1/18/91
37 *	$Id$
38 */
39
40#include <sys/signal.h>
41
42/*
43 * System stack frames.
44 */
45
46/*
47 * Exception/Trap Stack Frame
48 */
49
50struct trapframe {
51	int	tf_es;
52	int	tf_ds;
53	int	tf_edi;
54	int	tf_esi;
55	int	tf_ebp;
56	int	tf_isp;
57	int	tf_ebx;
58	int	tf_edx;
59	int	tf_ecx;
60	int	tf_eax;
61	int	tf_trapno;
62	/* below portion defined in 386 hardware */
63	int	tf_err;
64	int	tf_eip;
65	int	tf_cs;
66	int	tf_eflags;
67	/* below only when transitting rings (e.g. user to kernel) */
68	int	tf_esp;
69	int	tf_ss;
70};
71
72/* Interrupt stack frame */
73
74struct intrframe {
75	int	if_vec;
76	int	if_ppl;
77	int	if_es;
78	int	if_ds;
79	int	if_edi;
80	int	if_esi;
81	int	if_ebp;
82	int	:32;
83	int	if_ebx;
84	int	if_edx;
85	int	if_ecx;
86	int	if_eax;
87	int	:32;		/* for compat with trap frame - trapno */
88	int	:32;		/* for compat with trap frame - err */
89	/* below portion defined in 386 hardware */
90	int	if_eip;
91	int	if_cs;
92	int	if_eflags;
93	/* below only when transitting rings (e.g. user to kernel) */
94	int	if_esp;
95	int	if_ss;
96};
97
98/*
99 * Signal frame
100 */
101struct sigframe {
102	int	sf_signum;
103	int	sf_code;
104	struct	sigcontext *sf_scp;
105	sig_t	sf_handler;
106	int	sf_eax;
107	int	sf_edx;
108	int	sf_ecx;
109	struct	sigcontext sf_sc;
110} ;
111
112/*
113 * Call Gate/System Call Stack Frame
114 */
115
116struct syscframe {
117	int	sf_edi;
118	int	sf_esi;
119	int	sf_ebp;
120	int	:32;		/* redundant save of isp */
121	int	sf_ebx;
122	int	sf_edx;
123	int	sf_ecx;
124	int	sf_eax;
125	int	sf_eflags;
126	/* below portion defined in 386 hardware */
127/*	int	sf_args[N]; 	/* if call gate copy args enabled!*/
128	int	sf_eip;
129	int	sf_cs;
130	/* below only when transitting rings (e.g. user to kernel) */
131	int	sf_esp;
132	int	sf_ss;
133};
134