xref: /minix/sys/sys/kgdb.h (revision 6c8f7fc3)
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  */
83 extern dev_t kgdb_dev;
84 extern int kgdb_rate, kgdb_active;
85 extern int kgdb_debug_init, kgdb_debug_panic;
86 extern label_t *kgdb_recover;
87 
88 void kgdb_attach(int (*)(void *), void (*)(void *, int), void *);
89 void kgdb_connect(int);
90 void kgdb_panic(void);
91 int kgdb_trap(int, db_regs_t *);
92 int kgdb_disconnected(void);
93 
94 /*
95  * Machine dependent functions needed by kgdb_stub.c
96  */
97 int kgdb_signal(int);
98 int kgdb_acc(vaddr_t, size_t);
99 void kgdb_entry_notice(int, db_regs_t *);
100 void kgdb_getregs(db_regs_t *, kgdb_reg_t *);
101 void kgdb_setregs(db_regs_t *, kgdb_reg_t *);
102 
103 #endif	/* _KERNEL */
104 #endif /* !_SYS_KGDB_H_ */
105