1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * HISTORY
33 *
34 * Revision 1.1.1.1  1998/09/22 21:05:48  wsanchez
35 * Import of Mac OS X kernel (~semeria)
36 *
37 * Revision 1.1.1.1  1998/03/07 02:26:09  wsanchez
38 * Import of OSF Mach kernel (~mburg)
39 *
40 * Revision 1.1.6.1  1994/09/23  01:23:04  ezf
41 * 	change marker to not FREE
42 * 	[1994/09/22  21:11:39  ezf]
43 *
44 * Revision 1.1.2.4  1993/07/27  18:28:34  elliston
45 * 	Add ANSI prototypes.  CR #9523.
46 * 	[1993/07/27  18:13:34  elliston]
47 *
48 * Revision 1.1.2.3  1993/06/07  22:07:00  jeffc
49 * 	CR9176 - ANSI C violations: trailing tokens on CPP
50 * 	directives, extra semicolons after decl_ ..., asm keywords
51 * 	[1993/06/07  18:57:38  jeffc]
52 *
53 * Revision 1.1.2.2  1993/06/02  23:13:21  jeffc
54 * 	Added to OSF/1 R1.3 from NMK15.0.
55 * 	[1993/06/02  20:57:59  jeffc]
56 *
57 * Revision 1.1  1992/09/30  02:24:28  robert
58 * 	Initial revision
59 *
60 * $EndLog$
61 */
62/* CMU_HIST */
63/*
64 * Revision 2.5  91/10/09  16:04:47  af
65 * 	 Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
66 * 	 	Changed "map" field of db_watchpoint structure to "task",
67 * 	 	and also changed paramters of function declarations.
68 * 	 	[91/08/29            tak]
69 *
70 * Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
71 * 	Changed "map" field of db_watchpoint structure to "task",
72 * 	and also changed paramters of function declarations.
73 * 	[91/08/29            tak]
74 *
75 * Revision 2.4  91/05/14  15:37:46  mrt
76 * 	Correcting copyright
77 *
78 * Revision 2.3  91/02/05  17:07:31  mrt
79 * 	Changed to new Mach copyright
80 * 	[91/01/31  16:20:09  mrt]
81 *
82 * Revision 2.2  90/10/25  14:44:21  rwd
83 * 	Generalized the watchpoint support.
84 * 	[90/10/16            rwd]
85 * 	Created.
86 * 	[90/10/16            rpd]
87 *
88 */
89/* CMU_ENDHIST */
90/*
91 * Mach Operating System
92 * Copyright (c) 1991,1990 Carnegie Mellon University
93 * All Rights Reserved.
94 *
95 * Permission to use, copy, modify and distribute this software and its
96 * documentation is hereby granted, provided that both the copyright
97 * notice and this permission notice appear in all copies of the
98 * software, derivative works or modified versions, and any portions
99 * thereof, and that both notices appear in supporting documentation.
100 *
101 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
102 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
103 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
104 *
105 * Carnegie Mellon requests users of this software to return to
106 *
107 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
108 *  School of Computer Science
109 *  Carnegie Mellon University
110 *  Pittsburgh PA 15213-3890
111 *
112 * any improvements or extensions that they make and grant Carnegie Mellon
113 * the rights to redistribute these changes.
114 */
115/*
116 */
117/*
118 * 	Author: David B. Golub, Carnegie Mellon University
119 *	Date:	10/90
120 */
121
122#ifndef	_DDB_DB_WATCH_H_
123#define	_DDB_DB_WATCH_H_
124
125#include <mach/machine/vm_types.h>
126#include <kern/task.h>
127#include <machine/db_machdep.h>
128
129/*
130 * Watchpoint.
131 */
132
133typedef struct db_watchpoint {
134	task_t    task;			/* in this map */
135	db_addr_t loaddr;		/* from this address */
136	db_addr_t hiaddr;		/* to this address */
137	struct db_watchpoint *link;	/* link in in-use or free chain */
138} *db_watchpoint_t;
139
140
141
142/* Prototypes for functions exported by this module.
143 */
144
145void db_deletewatch_cmd(db_expr_t, boolean_t, db_expr_t, char *);
146
147void db_watchpoint_cmd(db_expr_t, boolean_t, db_expr_t, char *);
148
149void db_listwatch_cmd(db_expr_t, boolean_t, db_expr_t, char *);
150
151void db_clear_watchpoints(void);
152
153void db_set_watchpoints(void);
154
155boolean_t db_find_watchpoint(
156	vm_map_t	map,
157	db_addr_t	addr,
158	db_regs_t	*regs);
159
160#endif	/* !_DDB_DB_WATCH_H_ */
161