1 /* $OpenBSD: db_break.h,v 1.8 2002/03/14 01:26:51 millert Exp $ */
2 /* $NetBSD: db_break.h,v 1.8 1996/02/05 01:56:52 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: 7/90
31 */
32
33 #ifndef _DDB_DB_BREAK_H_
34 #define _DDB_DB_BREAK_H_
35
36 #include <uvm/uvm_extern.h>
37
38 /*
39 * Breakpoints.
40 */
41 typedef struct db_breakpoint {
42 struct vm_map *map; /* in this map */
43 db_addr_t address; /* set here */
44 int init_count; /* number of times to skip bkpt */
45 int count; /* current count */
46 int flags; /* flags: */
47 #define BKPT_SINGLE_STEP 0x2 /* to simulate single step */
48 #define BKPT_TEMP 0x4 /* temporary */
49 int bkpt_inst; /* saved instruction at bkpt */
50 struct db_breakpoint *link; /* link in in-use or free chain */
51 } *db_breakpoint_t;
52
53 db_breakpoint_t db_breakpoint_alloc(void);
54 void db_breakpoint_free(db_breakpoint_t);
55 void db_set_breakpoint(struct vm_map *, db_addr_t, int);
56 void db_delete_breakpoint(struct vm_map *, db_addr_t);
57 db_breakpoint_t db_find_breakpoint(struct vm_map *, db_addr_t);
58 db_breakpoint_t db_find_breakpoint_here(db_addr_t);
59 void db_set_breakpoints(void);
60 void db_clear_breakpoints(void);
61 db_breakpoint_t db_set_temp_breakpoint(db_addr_t);
62 void db_delete_temp_breakpoint(db_breakpoint_t);
63 void db_list_breakpoints(void);
64 void db_delete_cmd(db_expr_t, int, db_expr_t, char *);
65 void db_breakpoint_cmd(db_expr_t, int, db_expr_t, char *);
66 void db_listbreak_cmd(db_expr_t, int, db_expr_t, char *);
67 boolean_t db_map_equal(struct vm_map *, struct vm_map *);
68 boolean_t db_map_current(struct vm_map *);
69 struct vm_map *db_map_addr(vaddr_t);
70
71 #endif /* _DDB_DB_BREAK_H_ */