xref: /openbsd/sys/ddb/db_watch.h (revision 09467b48)
1 /*	$OpenBSD: db_watch.h,v 1.11 2019/11/07 13:16:25 mpi 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 	vaddr_t loaddr;			/* from this address */
41 	vaddr_t hiaddr;			/* to this address */
42 	struct db_watchpoint *link;	/* link in in-use or free chain */
43 } *db_watchpoint_t;
44 
45 db_watchpoint_t db_watchpoint_alloc(void);
46 void db_watchpoint_free(db_watchpoint_t);
47 void db_set_watchpoint(vaddr_t, vsize_t);
48 void db_delete_watchpoint(vaddr_t);
49 void db_list_watchpoints(void);
50 void db_deletewatch_cmd(db_expr_t, int, db_expr_t, char *);
51 void db_watchpoint_cmd(db_expr_t, int, db_expr_t, char *);
52 void db_listwatch_cmd(db_expr_t, int, db_expr_t, char *);
53 void db_set_watchpoints(void);
54 void db_clear_watchpoints(void);
55 
56 #endif	/* _DDB_DB_WATCH_ */
57