osfmk/ddb/db_watch.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * HISTORY
  33  *
  34  * Revision 1.1.1.1  1998/09/22 21:05:48  wsanchez
  35  * Import of Mac OS X kernel (~semeria)
  36  *
  37  * Revision 1.1.1.1  1998/03/07 02:26:09  wsanchez
  38  * Import of OSF Mach kernel (~mburg)
  39  *
  40  * Revision 1.1.6.1  1994/09/23  01:23:04  ezf
  41  *      change marker to not FREE
  42  *      [1994/09/22  21:11:39  ezf]
  43  *
  44  * Revision 1.1.2.4  1993/07/27  18:28:34  elliston
  45  *      Add ANSI prototypes.  CR #9523.
  46  *      [1993/07/27  18:13:34  elliston]
  47  *
  48  * Revision 1.1.2.3  1993/06/07  22:07:00  jeffc
  49  *      CR9176 - ANSI C violations: trailing tokens on CPP
  50  *      directives, extra semicolons after decl_ ..., asm keywords
  51  *      [1993/06/07  18:57:38  jeffc]
  52  *
  53  * Revision 1.1.2.2  1993/06/02  23:13:21  jeffc
  54  *      Added to OSF/1 R1.3 from NMK15.0.
  55  *      [1993/06/02  20:57:59  jeffc]
  56  *
  57  * Revision 1.1  1992/09/30  02:24:28  robert
  58  *      Initial revision
  59  *
  60  * $EndLog$
  61  */
  62 /* CMU_HIST */
  63 /*
  64  * Revision 2.5  91/10/09  16:04:47  af
  65  *       Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
  66  *              Changed "map" field of db_watchpoint structure to "task",
  67  *              and also changed paramters of function declarations.
  68  *              [91/08/29            tak]
  69  *
  70  * Revision 2.4.3.1  91/10/05  13:09:14  jeffreyh
  71  *      Changed "map" field of db_watchpoint structure to "task",
  72  *      and also changed paramters of function declarations.
  73  *      [91/08/29            tak]
  74  *
  75  * Revision 2.4  91/05/14  15:37:46  mrt
  76  *      Correcting copyright
  77  *
  78  * Revision 2.3  91/02/05  17:07:31  mrt
  79  *      Changed to new Mach copyright
  80  *      [91/01/31  16:20:09  mrt]
  81  *
  82  * Revision 2.2  90/10/25  14:44:21  rwd
  83  *      Generalized the watchpoint support.
  84  *      [90/10/16            rwd]
  85  *      Created.
  86  *      [90/10/16            rpd]
  87  *
  88  */
  89 /* CMU_ENDHIST */
  90 /*
  91  * Mach Operating System
  92  * Copyright (c) 1991,1990 Carnegie Mellon University
  93  * All Rights Reserved.
  94  *
  95  * Permission to use, copy, modify and distribute this software and its
  96  * documentation is hereby granted, provided that both the copyright
  97  * notice and this permission notice appear in all copies of the
  98  * software, derivative works or modified versions, and any portions
  99  * thereof, and that both notices appear in supporting documentation.
 100  *
 101  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 102  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 103  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 104  *
 105  * Carnegie Mellon requests users of this software to return to
 106  *
 107  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 108  *  School of Computer Science
 109  *  Carnegie Mellon University
 110  *  Pittsburgh PA 15213-3890
 111  *
 112  * any improvements or extensions that they make and grant Carnegie Mellon
 113  * the rights to redistribute these changes.
 114  */
 115 /*
 116  */
 117 /*
 118  *      Author: David B. Golub, Carnegie Mellon University
 119  *      Date:   10/90
 120  */
 121
 122 #ifndef _DDB_DB_WATCH_H_
 123 #define _DDB_DB_WATCH_H_
 124
 125 #include <mach/machine/vm_types.h>
 126 #include <kern/task.h>
 127 #include <machine/db_machdep.h>
 128
 129 /*
 130  * Watchpoint.
 131  */
 132
 133 typedef struct db_watchpoint {
 134         task_t    task;                 /* in this map */
 135         db_addr_t loaddr;               /* from this address */
 136         db_addr_t hiaddr;               /* to this address */
 137         struct db_watchpoint *link;     /* link in in-use or free chain */
 138 } *db_watchpoint_t;
 139
 140
 141
 142 /* Prototypes for functions exported by this module.
 143  */
 144
 145 void db_deletewatch_cmd(
 146         db_expr_t       addr,
 147         int             have_addr,
 148         db_expr_t       count,
 149         char *          modif);
 150
 151 void db_watchpoint_cmd(
 152         db_expr_t       addr,
 153         int             have_addr,
 154         db_expr_t       count,
 155         char *          modif);
 156
 157 void db_listwatch_cmd(void);
 158
 159 void db_clear_watchpoints(void);
 160
 161 void db_set_watchpoints(void);
 162
 163 boolean_t db_find_watchpoint(
 164         vm_map_t        map,
 165         db_addr_t       addr,
 166         db_regs_t       *regs);
 167
 168 #endif  /* !_DDB_DB_WATCH_H_ */