1/* $NetBSD: kgdb.h,v 1.12 2011/04/03 22:29:28 dyoung Exp $ */
2
3/*
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * All advertising materials mentioning features or use of this software
12 * must display the following acknowledgement:
13 * This product includes software developed by the University of
14 * California, Lawrence Berkeley Laboratories.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * @(#)remote-sl.h 8.1 (Berkeley) 6/11/93
41 */
42
43#ifndef _SYS_KGDB_H_
44#define _SYS_KGDB_H_
45
46/*
47 * Protocol definition for KGDB
48 * (gdb over remote serial line)
49 */
50
51#include <machine/db_machdep.h>
52
53/*
54 * Message types.
55 */
56#define KGDB_MEM_R 'm'
57#define KGDB_MEM_W 'M'
58#define KGDB_REG_R 'g'
59#define KGDB_REG_W 'G'
60#define KGDB_CONT 'c'
61#define KGDB_STEP 's'
62#define KGDB_KILL 'k'
63#define KGDB_DETACH 'D'
64#define KGDB_SIGNAL '?'
65#define KGDB_DEBUG 'd'
66
67/*
68 * start of frame/end of frame
69 */
70#define KGDB_START '$'
71#define KGDB_END '#'
72#define KGDB_GOODP '+'
73#define KGDB_BADP '-'
74
75#ifdef _KERNEL
76
77#include <ddb/db_run.h>
78#include <ddb/db_access.h>
79
80/*
81 * Functions and variables exported from kgdb_stub.c
82 */
83extern dev_t kgdb_dev;
84extern int kgdb_rate, kgdb_active;
85extern int kgdb_debug_init, kgdb_debug_panic;
86extern label_t *kgdb_recover;
87
88void kgdb_attach(int (*)(void *), void (*)(void *, int), void *);
89void kgdb_connect(int);
90void kgdb_panic(void);
91int kgdb_trap(int, db_regs_t *);
92int kgdb_disconnected(void);
93
94/*
95 * Machine dependent functions needed by kgdb_stub.c
96 */
97int kgdb_signal(int);
98int kgdb_acc(vaddr_t, size_t);
99void kgdb_entry_notice(int, db_regs_t *);
100void kgdb_getregs(db_regs_t *, kgdb_reg_t *);
101void kgdb_setregs(db_regs_t *, kgdb_reg_t *);
102
103#endif /* _KERNEL */
104#endif /* !_SYS_KGDB_H_ */
105