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1.1 root 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 [email protected]
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.
25: */
26: /*
27: * HISTORY
28: * $Log: db_break.h,v $
1.1.1.2 ! root 29: * Revision 1.1.1.1 1993/03/21 09:46:26 cgd
! 30: * initial import of 386bsd-0.1 sources
! 31: *
1.1 root 32: * Revision 1.1 1992/03/25 21:44:59 pace
33: * Initial revision
34: *
35: * Revision 2.4 91/02/05 17:06:06 mrt
36: * Changed to new Mach copyright
37: * [91/01/31 16:17:10 mrt]
38: *
39: * Revision 2.3 90/10/25 14:43:40 rwd
40: * Added map field to breakpoints.
41: * [90/10/18 rpd]
42: *
43: * Revision 2.2 90/08/27 21:50:00 dbg
44: * Modularized typedef names.
45: * [90/08/20 af]
46: * Add external defintions.
47: * [90/08/07 dbg]
48: * Created.
49: * [90/07/25 dbg]
50: *
51: */
52: /*
53: * Author: David B. Golub, Carnegie Mellon University
54: * Date: 7/90
55: */
56: #ifndef _DDB_DB_BREAK_H_
57: #define _DDB_DB_BREAK_H_
58:
59: #include <vm/vm_map.h>
60: #include <machine/db_machdep.h>
61:
62: /*
63: * Breakpoint.
64: */
65:
66: struct db_breakpoint {
67: vm_map_t map; /* in this map */
68: db_addr_t address; /* set here */
69: int init_count; /* number of times to skip bkpt */
70: int count; /* current count */
71: int flags; /* flags: */
72: #define BKPT_SINGLE_STEP 0x2 /* to simulate single step */
73: #define BKPT_TEMP 0x4 /* temporary */
74: int bkpt_inst; /* saved instruction at bkpt */
75: struct db_breakpoint *link; /* link in in-use or free chain */
76: };
77: typedef struct db_breakpoint *db_breakpoint_t;
78:
79: extern db_breakpoint_t db_find_breakpoint();
80: extern db_breakpoint_t db_find_breakpoint_here();
81: extern void db_set_breakpoints();
82: extern void db_clear_breakpoints();
83:
84: extern db_breakpoint_t db_set_temp_breakpoint(/* db_addr_t addr */);
85: extern void db_delete_temp_breakpoint(/* db_breakpoint_t bkpt */);
86:
87: #endif _DDB_DB_BREAK_H_
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