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