| 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 | |