osfmk/ddb/db_watch.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33 /*
  34  * HISTORY
  35  *
  36  * Revision 1.1.1.1  1998/09/22 21:05:48  wsanchez
  37  * Import of Mac OS X kernel (~semeria)
  38  *
  39  * Revision 1.1.1.1  1998/03/07 02:26:09  wsanchez
  40  * Import of OSF Mach kernel (~mburg)
  41  *
  42  * Revision 1.1.6.1  1994/09/23  01:23:04  ezf
  43  *      change marker to not FREE
  44  *      [1994/09/22  21:11:39  ezf]
  45  *
  46  * Revision 1.1.2.4  1993/07/27  18:28:34  elliston
  47  *      Add ANSI prototypes.  CR #9523.
  48  *      [1993/07/27  18:13:34  elliston]
  49  *
  50  * Revision 1.1.2.3  1993/06/07  22:07:00  jeffc
  51  *      CR9176 - ANSI C violations: trailing tokens on CPP
  52  *      directives, extra semicolons after decl_ ..., asm keywords
  53  *      [1993/06/07  18:57:38  jeffc]
  54  *
  55  * Revision 1.1.2.2  1993/06/02  23:13:21  jeffc
  56  *      Added to OSF/1 R1.3 from NMK15.0.
  57  *      [1993/06/02  20:57:59  jeffc]
  58  *
  59  * Revision 1.1  1992/09/30  02:24:28  robert
  60  *      Initial revision
  61  *
  62  * $EndLog$
  63  */
  64 /* CMU_HIST */
  65 /*
  66  * Revision 2.5  91/10/09  16:04:47  af
  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 2.4.3.1  91/10/05  13:09:14  jeffreyh
  73  *      Changed "map" field of db_watchpoint structure to "task",
  74  *      and also changed paramters of function declarations.
  75  *      [91/08/29            tak]
  76  *
  77  * Revision 2.4  91/05/14  15:37:46  mrt
  78  *      Correcting copyright
  79  *
  80  * Revision 2.3  91/02/05  17:07:31  mrt
  81  *      Changed to new Mach copyright
  82  *      [91/01/31  16:20:09  mrt]
  83  *
  84  * Revision 2.2  90/10/25  14:44:21  rwd
  85  *      Generalized the watchpoint support.
  86  *      [90/10/16            rwd]
  87  *      Created.
  88  *      [90/10/16            rpd]
  89  *
  90  */
  91 /* CMU_ENDHIST */
  92 /*
  93  * Mach Operating System
  94  * Copyright (c) 1991,1990 Carnegie Mellon University
  95  * All Rights Reserved.
  96  *
  97  * Permission to use, copy, modify and distribute this software and its
  98  * documentation is hereby granted, provided that both the copyright
  99  * notice and this permission notice appear in all copies of the
 100  * software, derivative works or modified versions, and any portions
 101  * thereof, and that both notices appear in supporting documentation.
 102  *
 103  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 104  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 105  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 106  *
 107  * Carnegie Mellon requests users of this software to return to
 108  *
 109  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 110  *  School of Computer Science
 111  *  Carnegie Mellon University
 112  *  Pittsburgh PA 15213-3890
 113  *
 114  * any improvements or extensions that they make and grant Carnegie Mellon
 115  * the rights to redistribute these changes.
 116  */
 117 /*
 118  */
 119 /*
 120  *      Author: David B. Golub, Carnegie Mellon University
 121  *      Date:   10/90
 122  */
 123
 124 #ifndef _DDB_DB_WATCH_H_
 125 #define _DDB_DB_WATCH_H_
 126
 127 #include <mach/machine/vm_types.h>
 128 #include <kern/task.h>
 129 #include <machine/db_machdep.h>
 130
 131 /*
 132  * Watchpoint.
 133  */
 134
 135 typedef struct db_watchpoint {
 136         task_t    task;                 /* in this map */
 137         db_addr_t loaddr;               /* from this address */
 138         db_addr_t hiaddr;               /* to this address */
 139         struct db_watchpoint *link;     /* link in in-use or free chain */
 140 } *db_watchpoint_t;
 141
 142
 143
 144 /* Prototypes for functions exported by this module.
 145  */
 146
 147 void db_deletewatch_cmd(
 148         db_expr_t       addr,
 149         int             have_addr,
 150         db_expr_t       count,
 151         char *          modif);
 152
 153 void db_watchpoint_cmd(
 154         db_expr_t       addr,
 155         int             have_addr,
 156         db_expr_t       count,
 157         char *          modif);
 158
 159 void db_listwatch_cmd(void);
 160
 161 void db_clear_watchpoints(void);
 162
 163 void db_set_watchpoints(void);
 164
 165 boolean_t db_find_watchpoint(
 166         vm_map_t        map,
 167         db_addr_t       addr,
 168         db_regs_t       *regs);
 169
 170 #endif  /* !_DDB_DB_WATCH_H_ */