The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/ddb/db_watch.h

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    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 "AS IS"
   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 Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        db_watch.h,v $
   29  * Revision 2.5  91/10/09  16:04:47  af
   30  *       Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
   31  *              Changed "map" field of db_watchpoint structure to "task",
   32  *              and also changed paramters of function declarations.
   33  *              [91/08/29            tak]
   34  * 
   35  * Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
   36  *      Changed "map" field of db_watchpoint structure to "task",
   37  *      and also changed paramters of function declarations.
   38  *      [91/08/29            tak]
   39  * 
   40  * Revision 2.4  91/05/14  15:37:46  mrt
   41  *      Correcting copyright
   42  * 
   43  * Revision 2.3  91/02/05  17:07:31  mrt
   44  *      Changed to new Mach copyright
   45  *      [91/01/31  16:20:09  mrt]
   46  * 
   47  * Revision 2.2  90/10/25  14:44:21  rwd
   48  *      Generalized the watchpoint support.
   49  *      [90/10/16            rwd]
   50  *      Created.
   51  *      [90/10/16            rpd]
   52  * 
   53  */
   54 /*
   55  *      Author: David B. Golub, Carnegie Mellon University
   56  *      Date:   10/90
   57  */
   58 
   59 #ifndef _DDB_DB_WATCH_
   60 #define _DDB_DB_WATCH_
   61 
   62 #include <mach/machine/vm_types.h>
   63 #include <kern/task.h>
   64 #include <machine/db_machdep.h>
   65 
   66 /*
   67  * Watchpoint.
   68  */
   69 
   70 typedef struct db_watchpoint {
   71         task_t    task;                 /* in this map */
   72         db_addr_t loaddr;               /* from this address */
   73         db_addr_t hiaddr;               /* to this address */
   74         struct db_watchpoint *link;     /* link in in-use or free chain */
   75 } *db_watchpoint_t;
   76 
   77 extern boolean_t db_find_watchpoint(/* task_t task, db_addr_t addr,
   78                                      db_regs_t *regs */);
   79 extern void db_set_watchpoints();
   80 extern void db_clear_watchpoints();
   81 
   82 extern void db_set_watchpoint(/* task_t task, db_addr_t addr, vm_size_t size */);
   83 extern void db_delete_watchpoint(/* task_t task, db_addr_t addr */);
   84 extern void db_list_watchpoints();
   85 
   86 #endif  _DDB_DB_WATCH_

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