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[unix-history] / sys / ddb / db_watch.h
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1/*
2 * Mach Operating System
3 * Copyright (c) 1991,1990 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the
9 * software, derivative works or modified versions, and any portions
10 * thereof, and that both notices appear in supporting documentation.
11 *
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15 *
16 * Carnegie Mellon requests users of this software to return to
17 *
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie the
24 * rights to redistribute these changes.
15637ed4 25 *
cbeffc91 26 * $Id$
15637ed4 27 */
cbeffc91 28
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29/*
30 * Author: David B. Golub, Carnegie Mellon University
31 * Date: 10/90
32 */
33
34#ifndef _DDB_DB_WATCH_
35#define _DDB_DB_WATCH_
36
37#include <vm/vm_map.h>
38#include <machine/db_machdep.h>
39
40/*
41 * Watchpoint.
42 */
43
44typedef struct db_watchpoint {
45 vm_map_t map; /* in this map */
46 db_addr_t loaddr; /* from this address */
47 db_addr_t hiaddr; /* to this address */
48 struct db_watchpoint *link; /* link in in-use or free chain */
49} *db_watchpoint_t;
50
51extern boolean_t db_find_watchpoint(/* vm_map_t map, db_addr_t addr,
52 db_regs_t *regs */);
53extern void db_set_watchpoints();
54extern void db_clear_watchpoints();
55
56extern void db_set_watchpoint(/* vm_map_t map, db_addr_t addr, vm_size_t size */);
57extern void db_delete_watchpoint(/* vm_map_t map, db_addr_t addr */);
58extern void db_list_watchpoints();
59
60#endif _DDB_DB_WATCH_