2 * Mach Operating System
3 * Copyright (c) 1991,1990 Carnegie Mellon University
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.
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.
16 * Carnegie Mellon requests users of this software to return to
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
23 * any improvements or extensions that they make and grant Carnegie the
24 * rights to redistribute these changes.
30 * Author: David B. Golub, Carnegie Mellon University
33 #ifndef _DDB_DB_BREAK_H_
34 #define _DDB_DB_BREAK_H_
40 struct db_breakpoint {
41 vm_map_t map; /* in this map */
42 db_addr_t address; /* set here */
43 int init_count; /* number of times to skip bkpt */
44 int count; /* current count */
45 int flags; /* flags: */
46 #define BKPT_SINGLE_STEP 0x2 /* to simulate single step */
47 #define BKPT_TEMP 0x4 /* temporary */
48 int bkpt_inst; /* saved instruction at bkpt */
49 struct db_breakpoint *link; /* link in in-use or free chain */
51 typedef struct db_breakpoint *db_breakpoint_t;
53 void db_clear_breakpoints __P((void));
55 void db_delete_temp_breakpoint __P((db_breakpoint_t));
57 db_breakpoint_t db_find_breakpoint_here __P((db_addr_t addr));
58 void db_set_breakpoints __P((void));
60 db_breakpoint_t db_set_temp_breakpoint __P((db_addr_t));
63 #endif /* !_DDB_DB_BREAK_H_ */