osfmk/ddb/db_watch.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28 /*
  29  * HISTORY
  30  *
  31  * Revision 1.1.1.1  1998/09/22 21:05:48  wsanchez
  32  * Import of Mac OS X kernel (~semeria)
  33  *
  34  * Revision 1.1.1.1  1998/03/07 02:26:09  wsanchez
  35  * Import of OSF Mach kernel (~mburg)
  36  *
  37  * Revision 1.1.6.1  1994/09/23  01:23:04  ezf
  38  *      change marker to not FREE
  39  *      [1994/09/22  21:11:39  ezf]
  40  *
  41  * Revision 1.1.2.4  1993/07/27  18:28:34  elliston
  42  *      Add ANSI prototypes.  CR #9523.
  43  *      [1993/07/27  18:13:34  elliston]
  44  *
  45  * Revision 1.1.2.3  1993/06/07  22:07:00  jeffc
  46  *      CR9176 - ANSI C violations: trailing tokens on CPP
  47  *      directives, extra semicolons after decl_ ..., asm keywords
  48  *      [1993/06/07  18:57:38  jeffc]
  49  *
  50  * Revision 1.1.2.2  1993/06/02  23:13:21  jeffc
  51  *      Added to OSF/1 R1.3 from NMK15.0.
  52  *      [1993/06/02  20:57:59  jeffc]
  53  *
  54  * Revision 1.1  1992/09/30  02:24:28  robert
  55  *      Initial revision
  56  *
  57  * $EndLog$
  58  */
  59 /* CMU_HIST */
  60 /*
  61  * Revision 2.5  91/10/09  16:04:47  af
  62  *       Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
  63  *              Changed "map" field of db_watchpoint structure to "task",
  64  *              and also changed paramters of function declarations.
  65  *              [91/08/29            tak]
  66  *
  67  * Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
  68  *      Changed "map" field of db_watchpoint structure to "task",
  69  *      and also changed paramters of function declarations.
  70  *      [91/08/29            tak]
  71  *
  72  * Revision 2.4  91/05/14  15:37:46  mrt
  73  *      Correcting copyright
  74  *
  75  * Revision 2.3  91/02/05  17:07:31  mrt
  76  *      Changed to new Mach copyright
  77  *      [91/01/31  16:20:09  mrt]
  78  *
  79  * Revision 2.2  90/10/25  14:44:21  rwd
  80  *      Generalized the watchpoint support.
  81  *      [90/10/16            rwd]
  82  *      Created.
  83  *      [90/10/16            rpd]
  84  *
  85  */
  86 /* CMU_ENDHIST */
  87 /*
  88  * Mach Operating System
  89  * Copyright (c) 1991,1990 Carnegie Mellon University
  90  * All Rights Reserved.
  91  *
  92  * Permission to use, copy, modify and distribute this software and its
  93  * documentation is hereby granted, provided that both the copyright
  94  * notice and this permission notice appear in all copies of the
  95  * software, derivative works or modified versions, and any portions
  96  * thereof, and that both notices appear in supporting documentation.
  97  *
  98  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  99  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 100  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 101  *
 102  * Carnegie Mellon requests users of this software to return to
 103  *
 104  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 105  *  School of Computer Science
 106  *  Carnegie Mellon University
 107  *  Pittsburgh PA 15213-3890
 108  *
 109  * any improvements or extensions that they make and grant Carnegie Mellon
 110  * the rights to redistribute these changes.
 111  */
 112 /*
 113  */
 114 /*
 115  *      Author: David B. Golub, Carnegie Mellon University
 116  *      Date:   10/90
 117  */
 118
 119 #ifndef _DDB_DB_WATCH_H_
 120 #define _DDB_DB_WATCH_H_
 121
 122 #include <mach/machine/vm_types.h>
 123 #include <kern/task.h>
 124 #include <machine/db_machdep.h>
 125
 126 /*
 127  * Watchpoint.
 128  */
 129
 130 typedef struct db_watchpoint {
 131         task_t    task;                 /* in this map */
 132         db_addr_t loaddr;               /* from this address */
 133         db_addr_t hiaddr;               /* to this address */
 134         struct db_watchpoint *link;     /* link in in-use or free chain */
 135 } *db_watchpoint_t;
 136
 137
 138
 139 /* Prototypes for functions exported by this module.
 140  */
 141
 142 void db_deletewatch_cmd(
 143         db_expr_t       addr,
 144         int             have_addr,
 145         db_expr_t       count,
 146         char *          modif);
 147
 148 void db_watchpoint_cmd(
 149         db_expr_t       addr,
 150         int             have_addr,
 151         db_expr_t       count,
 152         char *          modif);
 153
 154 void db_listwatch_cmd(void);
 155
 156 void db_clear_watchpoints(void);
 157
 158 void db_set_watchpoints(void);
 159
 160 boolean_t db_find_watchpoint(
 161         vm_map_t        map,
 162         db_addr_t       addr,
 163         db_regs_t       *regs);
 164
 165 #endif  /* !_DDB_DB_WATCH_H_ */