1 | /* $NetBSD: db_break.h,v 1.20 2007/02/22 04:38:04 matt Exp $ */ |
2 | |
3 | /* |
4 | * Mach Operating System |
5 | * Copyright (c) 1991,1990 Carnegie Mellon University |
6 | * All Rights Reserved. |
7 | * |
8 | * Permission to use, copy, modify and distribute this software and its |
9 | * documentation is hereby granted, provided that both the copyright |
10 | * notice and this permission notice appear in all copies of the |
11 | * software, derivative works or modified versions, and any portions |
12 | * thereof, and that both notices appear in supporting documentation. |
13 | * |
14 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
15 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
16 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
17 | * |
18 | * Carnegie Mellon requests users of this software to return to |
19 | * |
20 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
21 | * School of Computer Science |
22 | * Carnegie Mellon University |
23 | * Pittsburgh PA 15213-3890 |
24 | * |
25 | * any improvements or extensions that they make and grant Carnegie the |
26 | * rights to redistribute these changes. |
27 | * |
28 | * Author: David B. Golub, Carnegie Mellon University |
29 | * Date: 7/90 |
30 | */ |
31 | |
32 | #ifndef _DDB_DB_BREAK_H_ |
33 | #define _DDB_DB_BREAK_H_ |
34 | |
35 | #include <uvm/uvm_extern.h> |
36 | |
37 | /* |
38 | * Breakpoints. |
39 | */ |
40 | typedef struct db_breakpoint { |
41 | struct vm_map *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 | db_expr_t bkpt_inst; /* saved instruction at bkpt */ |
49 | struct db_breakpoint *link; /* link in in-use or free chain */ |
50 | } *db_breakpoint_t; |
51 | |
52 | db_breakpoint_t db_find_breakpoint_here(db_addr_t); |
53 | void db_set_breakpoints(void); |
54 | void db_clear_breakpoints(void); |
55 | void db_delete_cmd(db_expr_t, bool, db_expr_t, const char *); |
56 | void db_breakpoint_cmd(db_expr_t, bool, db_expr_t, const char *); |
57 | void db_listbreak_cmd(db_expr_t, bool, db_expr_t, const char *); |
58 | bool db_map_equal(struct vm_map *, struct vm_map *); |
59 | bool db_map_current(struct vm_map *); |
60 | struct vm_map *db_map_addr(vaddr_t); |
61 | |
62 | #endif /* _DDB_DB_BREAK_H_ */ |
63 | |