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_watch.h,v $ 29 * Revision 1.1 1992/03/25 21:45:40 pace 30 * Initial revision 31 * 32 * Revision 2.3 91/02/05 17:07:31 mrt 33 * Changed to new Mach copyright 34 * [91/01/31 16:20:09 mrt] 35 * 36 * Revision 2.2 90/10/25 14:44:21 rwd 37 * Generalized the watchpoint support. 38 * [90/10/16 rwd] 39 * Created. 40 * [90/10/16 rpd] 41 * 42 */ 43 /* 44 * Author: David B. Golub, Carnegie Mellon University 45 * Date: 10/90 46 */ 47 48 #ifndef _DDB_DB_WATCH_ 49 #define _DDB_DB_WATCH_ 50 51 #include <vm/vm_map.h> 52 #include <machine/db_machdep.h> 53 54 /* 55 * Watchpoint. 56 */ 57 58 typedef struct db_watchpoint { 59 vm_map_t map; /* in this map */ 60 db_addr_t loaddr; /* from this address */ 61 db_addr_t hiaddr; /* to this address */ 62 struct db_watchpoint *link; /* link in in-use or free chain */ 63 } *db_watchpoint_t; 64 65 extern boolean_t db_find_watchpoint(/* vm_map_t map, db_addr_t addr, 66 db_regs_t *regs */); 67 extern void db_set_watchpoints(); 68 extern void db_clear_watchpoints(); 69 70 extern void db_set_watchpoint(/* vm_map_t map, db_addr_t addr, vm_size_t size */); 71 extern void db_delete_watchpoint(/* vm_map_t map, db_addr_t addr */); 72 extern void db_list_watchpoints(); 73 74 #endif _DDB_DB_WATCH_ 75