frame.h revision 302408 
1/*	$NetBSD: frame.h,v 1.5 2002/10/19 00:10:54 bjh21 Exp $	*/
2
3/*-
4 * Copyright (c) 1994-1997 Mark Brinicombe.
5 * Copyright (c) 1994 Brini.
6 * All rights reserved.
7 *
8 * This code is derived from software written for Brini by Mark Brinicombe
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by Brini.
21 * 4. The name of the company nor the name of the author may be used to
22 *    endorse or promote products derived from this software without specific
23 *    prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * RiscBSD kernel project
38 *
39 * frame.h
40 *
41 * Stack frames structures
42 *
43 * Created      : 30/09/94
44 *
45 * $FreeBSD: stable/11/sys/arm/include/frame.h 276190 2014-12-24 18:54:31Z ian $
46 *
47 */
48
49#ifndef _MACHINE_FRAME_H_
50#define _MACHINE_FRAME_H_
51
52#ifndef _LOCORE
53
54#include <sys/signal.h>
55#include <sys/ucontext.h>
56
57
58/*
59 * Trap frame.  Pushed onto the kernel stack on a trap (synchronous exception).
60 */
61
62struct trapframe {
63	register_t tf_spsr; /* Zero on arm26 */
64	register_t tf_r0;
65	register_t tf_r1;
66	register_t tf_r2;
67	register_t tf_r3;
68	register_t tf_r4;
69	register_t tf_r5;
70	register_t tf_r6;
71	register_t tf_r7;
72	register_t tf_r8;
73	register_t tf_r9;
74	register_t tf_r10;
75	register_t tf_r11;
76	register_t tf_r12;
77	register_t tf_usr_sp;
78	register_t tf_usr_lr;
79	register_t tf_svc_sp; /* Not used on arm26 */
80	register_t tf_svc_lr; /* Not used on arm26 */
81	register_t tf_pc;
82	register_t tf_pad;
83};
84
85/* Register numbers */
86#define tf_r13 tf_usr_sp
87#define tf_r14 tf_usr_lr
88#define tf_r15 tf_pc
89
90/*
91 * Signal frame.  Pushed onto user stack before calling sigcode.
92 * The pointers are used in the trampoline code to locate the ucontext.
93 */
94struct sigframe {
95	siginfo_t       sf_si;          /* actual saved siginfo */
96	ucontext_t      sf_uc;          /* actual saved ucontext */
97};
98
99
100/*
101 * Switch frame.
102 *
103 * It is important this is a multiple of 8 bytes so the stack is correctly
104 * aligned when we create new threads.
105 */
106struct switchframe
107{
108        register_t sf_r4;
109        register_t sf_r5;
110        register_t sf_r6;
111        register_t sf_r7;
112        register_t sf_r8;
113        register_t sf_r9;
114        register_t sf_r10;
115        register_t sf_r11;
116        register_t sf_r12;
117        register_t sf_sp;
118        register_t sf_lr;
119        register_t sf_pc;
120};
121
122
123/*
124 * Stack frame. Used during stack traces (db_trace.c)
125 */
126struct frame {
127	u_int	fr_fp;
128	u_int	fr_sp;
129	u_int	fr_lr;
130	u_int	fr_pc;
131};
132
133#endif /* !_LOCORE */
134
135#endif /* _MACHINE_FRAME_H_ */
136