1 /* $OpenBSD: db_watch.h,v 1.8 2002/03/14 01:26:51 millert Exp $ */
2 /* $NetBSD: db_watch.h,v 1.9 1996/02/05 01:57:24 christos Exp $ */
3
4 /*
5 * Mach Operating System
6 * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
7 * All Rights Reserved.
8 *
9 * Permission to use, copy, modify and distribute this software and its
10 * documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
14 *
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
17 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 *
19 * Carnegie Mellon requests users of this software to return to
20 *
21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
22 * School of Computer Science
23 * Carnegie Mellon University
24 * Pittsburgh PA 15213-3890
25 *
26 * any improvements or extensions that they make and grant Carnegie Mellon
27 * the rights to redistribute these changes.
28 *
29 * Author: David B. Golub, Carnegie Mellon University
30 * Date: 10/90
31 */
32
33 #ifndef _DDB_DB_WATCH_
34 #define _DDB_DB_WATCH_
35
36 /*
37 * Watchpoint.
38 */
39 typedef struct db_watchpoint {
40 struct vm_map *map; /* in this map */
41 db_addr_t loaddr; /* from this address */
42 db_addr_t hiaddr; /* to this address */
43 struct db_watchpoint *link; /* link in in-use or free chain */
44 } *db_watchpoint_t;
45
46 db_watchpoint_t db_watchpoint_alloc(void);
47 void db_watchpoint_free(db_watchpoint_t);
48 void db_set_watchpoint(struct vm_map *, db_addr_t, vsize_t);
49 void db_delete_watchpoint(struct vm_map *, db_addr_t);
50 void db_list_watchpoints(void);
51 void db_deletewatch_cmd(db_expr_t, int, db_expr_t, char *);
52 void db_watchpoint_cmd(db_expr_t, int, db_expr_t, char *);
53 void db_listwatch_cmd(db_expr_t, int, db_expr_t, char *);
54 void db_set_watchpoints(void);
55 void db_clear_watchpoints(void);
56 boolean_t db_find_watchpoint(struct vm_map *, db_addr_t, db_regs_t *);
57
58 #endif /* _DDB_DB_WATCH_ */