xref: /netbsd/sys/sys/kgdb.h (revision bf9ec67e)
1 /*	$NetBSD: kgdb.h,v 1.6 2002/01/05 22:57:38 dbj 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. All advertising materials mentioning features or use of this software
25  *    must display the following acknowledgement:
26  *	This product includes software developed by the University of
27  *	California, Berkeley and its contributors.
28  * 4. Neither the name of the University nor the names of its contributors
29  *    may be used to endorse or promote products derived from this software
30  *    without specific prior written permission.
31  *
32  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42  * SUCH DAMAGE.
43  *
44  *	@(#)remote-sl.h	8.1 (Berkeley) 6/11/93
45  */
46 
47 #ifndef _SYS_KGDB_H_
48 #define _SYS_KGDB_H_
49 
50 /*
51  * Protocol definition for KGDB
52  * (gdb over remote serial line)
53  */
54 
55 #include <machine/db_machdep.h>
56 
57 /*
58  * Message types.
59  */
60 #define KGDB_MEM_R	'm'
61 #define KGDB_MEM_W	'M'
62 #define KGDB_REG_R	'g'
63 #define KGDB_REG_W	'G'
64 #define KGDB_CONT	'c'
65 #define KGDB_STEP	's'
66 #define KGDB_KILL	'k'
67 #define KGDB_DETACH	'D'
68 #define KGDB_SIGNAL	'?'
69 #define KGDB_DEBUG	'd'
70 
71 /*
72  * start of frame/end of frame
73  */
74 #define KGDB_START	'$'
75 #define KGDB_END	'#'
76 #define KGDB_GOODP	'+'
77 #define KGDB_BADP	'-'
78 
79 #ifdef	_KERNEL
80 
81 #include <ddb/db_run.h>
82 #include <ddb/db_access.h>
83 
84 /*
85  * Functions and variables exported from kgdb_stub.c
86  */
87 extern int kgdb_dev, kgdb_rate, kgdb_active;
88 extern int kgdb_debug_init, kgdb_debug_panic;
89 extern label_t *kgdb_recover;
90 
91 void kgdb_attach __P((int (*)(void *), void (*)(void *, int), void *ioarg));
92 void kgdb_connect __P((int));
93 void kgdb_panic __P((void));
94 int kgdb_trap __P((int, db_regs_t *));
95 
96 /*
97  * Machine dependent functions needed by kgdb_stub.c
98  */
99 int kgdb_signal __P((int));
100 int kgdb_acc __P((vaddr_t, size_t));
101 void kgdb_getregs __P((db_regs_t *, kgdb_reg_t *));
102 void kgdb_setregs __P((db_regs_t *, kgdb_reg_t *));
103 
104 #endif	/* _KERNEL */
105 #endif /* !_SYS_KGDB_H_ */
106