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db_watch.h revision 1.1 
      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 /*
     27  * HISTORY
     28  * $Log: db_watch.h,v $
     29  * Revision 1.1  1993/03/21 09:45:37  cgd
     30  * Initial revision
     31  *
     32  * Revision 1.1  1992/03/25  21:45:40  pace
     33  * Initial revision
     34  *
     35  * Revision 2.3  91/02/05  17:07:31  mrt
     36  * 	Changed to new Mach copyright
     37  * 	[91/01/31  16:20:09  mrt]
     38  *
     39  * Revision 2.2  90/10/25  14:44:21  rwd
     40  * 	Generalized the watchpoint support.
     41  * 	[90/10/16            rwd]
     42  * 	Created.
     43  * 	[90/10/16            rpd]
     44  *
     45  */
     46 /*
     47  * 	Author: David B. Golub, Carnegie Mellon University
     48  *	Date:	10/90
     49  */
     50 
     51 #ifndef	_DDB_DB_WATCH_
     52 #define	_DDB_DB_WATCH_
     53 
     54 #include <vm/vm_map.h>
     55 #include <machine/db_machdep.h>
     56 
     57 /*
     58  * Watchpoint.
     59  */
     60 
     61 typedef struct db_watchpoint {
     62 	vm_map_t map;			/* in this map */
     63 	db_addr_t loaddr;		/* from this address */
     64 	db_addr_t hiaddr;		/* to this address */
     65 	struct db_watchpoint *link;	/* link in in-use or free chain */
     66 } *db_watchpoint_t;
     67 
     68 extern boolean_t db_find_watchpoint(/* vm_map_t map, db_addr_t addr,
     69 				     db_regs_t *regs */);
     70 extern void db_set_watchpoints();
     71 extern void db_clear_watchpoints();
     72 
     73 extern void db_set_watchpoint(/* vm_map_t map, db_addr_t addr, vm_size_t size */);
     74 extern void db_delete_watchpoint(/* vm_map_t map, db_addr_t addr */);
     75 extern void db_list_watchpoints();
     76 
     77 #endif	_DDB_DB_WATCH_
     78