osfmk/ddb/db_watch.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * HISTORY
  27  *
  28  * Revision 1.1.1.1  1998/09/22 21:05:48  wsanchez
  29  * Import of Mac OS X kernel (~semeria)
  30  *
  31  * Revision 1.1.1.1  1998/03/07 02:26:09  wsanchez
  32  * Import of OSF Mach kernel (~mburg)
  33  *
  34  * Revision 1.1.6.1  1994/09/23  01:23:04  ezf
  35  *      change marker to not FREE
  36  *      [1994/09/22  21:11:39  ezf]
  37  *
  38  * Revision 1.1.2.4  1993/07/27  18:28:34  elliston
  39  *      Add ANSI prototypes.  CR #9523.
  40  *      [1993/07/27  18:13:34  elliston]
  41  *
  42  * Revision 1.1.2.3  1993/06/07  22:07:00  jeffc
  43  *      CR9176 - ANSI C violations: trailing tokens on CPP
  44  *      directives, extra semicolons after decl_ ..., asm keywords
  45  *      [1993/06/07  18:57:38  jeffc]
  46  *
  47  * Revision 1.1.2.2  1993/06/02  23:13:21  jeffc
  48  *      Added to OSF/1 R1.3 from NMK15.0.
  49  *      [1993/06/02  20:57:59  jeffc]
  50  *
  51  * Revision 1.1  1992/09/30  02:24:28  robert
  52  *      Initial revision
  53  *
  54  * $EndLog$
  55  */
  56 /* CMU_HIST */
  57 /*
  58  * Revision 2.5  91/10/09  16:04:47  af
  59  *       Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
  60  *              Changed "map" field of db_watchpoint structure to "task",
  61  *              and also changed paramters of function declarations.
  62  *              [91/08/29            tak]
  63  *
  64  * Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
  65  *      Changed "map" field of db_watchpoint structure to "task",
  66  *      and also changed paramters of function declarations.
  67  *      [91/08/29            tak]
  68  *
  69  * Revision 2.4  91/05/14  15:37:46  mrt
  70  *      Correcting copyright
  71  *
  72  * Revision 2.3  91/02/05  17:07:31  mrt
  73  *      Changed to new Mach copyright
  74  *      [91/01/31  16:20:09  mrt]
  75  *
  76  * Revision 2.2  90/10/25  14:44:21  rwd
  77  *      Generalized the watchpoint support.
  78  *      [90/10/16            rwd]
  79  *      Created.
  80  *      [90/10/16            rpd]
  81  *
  82  */
  83 /* CMU_ENDHIST */
  84 /*
  85  * Mach Operating System
  86  * Copyright (c) 1991,1990 Carnegie Mellon University
  87  * All Rights Reserved.
  88  *
  89  * Permission to use, copy, modify and distribute this software and its
  90  * documentation is hereby granted, provided that both the copyright
  91  * notice and this permission notice appear in all copies of the
  92  * software, derivative works or modified versions, and any portions
  93  * thereof, and that both notices appear in supporting documentation.
  94  *
  95  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  96  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  97  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  98  *
  99  * Carnegie Mellon requests users of this software to return to
 100  *
 101  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 102  *  School of Computer Science
 103  *  Carnegie Mellon University
 104  *  Pittsburgh PA 15213-3890
 105  *
 106  * any improvements or extensions that they make and grant Carnegie Mellon
 107  * the rights to redistribute these changes.
 108  */
 109 /*
 110  */
 111 /*
 112  *      Author: David B. Golub, Carnegie Mellon University
 113  *      Date:   10/90
 114  */
 115
 116 #ifndef _DDB_DB_WATCH_H_
 117 #define _DDB_DB_WATCH_H_
 118
 119 #include <mach/machine/vm_types.h>
 120 #include <kern/task.h>
 121 #include <machine/db_machdep.h>
 122
 123 /*
 124  * Watchpoint.
 125  */
 126
 127 typedef struct db_watchpoint {
 128         task_t    task;                 /* in this map */
 129         db_addr_t loaddr;               /* from this address */
 130         db_addr_t hiaddr;               /* to this address */
 131         struct db_watchpoint *link;     /* link in in-use or free chain */
 132 } *db_watchpoint_t;
 133
 134
 135
 136 /* Prototypes for functions exported by this module.
 137  */
 138
 139 void db_deletewatch_cmd(
 140         db_expr_t       addr,
 141         int             have_addr,
 142         db_expr_t       count,
 143         char *          modif);
 144
 145 void db_watchpoint_cmd(
 146         db_expr_t       addr,
 147         int             have_addr,
 148         db_expr_t       count,
 149         char *          modif);
 150
 151 void db_listwatch_cmd(void);
 152
 153 void db_clear_watchpoints(void);
 154
 155 void db_set_watchpoints(void);
 156
 157 boolean_t db_find_watchpoint(
 158         vm_map_t        map,
 159         db_addr_t       addr,
 160         db_regs_t       *regs);
 161
 162 #endif  /* !_DDB_DB_WATCH_H_ */