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db_watch.h revision 1.4 
      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 (at) 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  * 	Author: David B. Golub, Carnegie Mellon University
     27  *	Date:	10/90
     28  *	$Id: db_watch.h,v 1.4 1994/02/15 14:50:47 mycroft Exp $
     29  */
     30 
     31 #ifndef	_DDB_DB_WATCH_
     32 #define	_DDB_DB_WATCH_
     33 
     34 #include <vm/vm.h>
     35 #include <machine/db_machdep.h>
     36 
     37 /*
     38  * Watchpoint.
     39  */
     40 typedef struct db_watchpoint {
     41 	vm_map_t map;			/* in this map */
     42 	db_addr_t loaddr;		/* from this address */
     43 	db_addr_t hiaddr;		/* to this address */
     44 	struct db_watchpoint *link;	/* link in in-use or free chain */
     45 } *db_watchpoint_t;
     46 
     47 extern boolean_t db_find_watchpoint(/* vm_map_t map, db_addr_t addr,
     48 				     db_regs_t *regs */);
     49 extern void db_set_watchpoints();
     50 extern void db_clear_watchpoints();
     51 
     52 extern void db_set_watchpoint(/* vm_map_t map, db_addr_t addr, vm_size_t size */);
     53 extern void db_delete_watchpoint(/* vm_map_t map, db_addr_t addr */);
     54 extern void db_list_watchpoints();
     55 
     56 #endif	_DDB_DB_WATCH_
     57