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15637ed4 RG |
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 | |
15637ed4 RG |
29 | /* |
30 | * Author: David B. Golub, Carnegie Mellon University | |
31 | * Date: 7/90 | |
32 | */ | |
33 | #ifndef _DDB_DB_BREAK_H_ | |
34 | #define _DDB_DB_BREAK_H_ | |
35 | ||
36 | #include <vm/vm_map.h> | |
37 | #include <machine/db_machdep.h> | |
38 | ||
39 | /* | |
40 | * Breakpoint. | |
41 | */ | |
42 | ||
43 | struct db_breakpoint { | |
44 | vm_map_t map; /* in this map */ | |
45 | db_addr_t address; /* set here */ | |
46 | int init_count; /* number of times to skip bkpt */ | |
47 | int count; /* current count */ | |
48 | int flags; /* flags: */ | |
49 | #define BKPT_SINGLE_STEP 0x2 /* to simulate single step */ | |
50 | #define BKPT_TEMP 0x4 /* temporary */ | |
51 | int bkpt_inst; /* saved instruction at bkpt */ | |
52 | struct db_breakpoint *link; /* link in in-use or free chain */ | |
53 | }; | |
54 | typedef struct db_breakpoint *db_breakpoint_t; | |
55 | ||
56 | extern db_breakpoint_t db_find_breakpoint(); | |
57 | extern db_breakpoint_t db_find_breakpoint_here(); | |
58 | extern void db_set_breakpoints(); | |
59 | extern void db_clear_breakpoints(); | |
60 | ||
61 | extern db_breakpoint_t db_set_temp_breakpoint(/* db_addr_t addr */); | |
62 | extern void db_delete_temp_breakpoint(/* db_breakpoint_t bkpt */); | |
63 | ||
64 | #endif _DDB_DB_BREAK_H_ |