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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
d7e50217 6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b 7 *
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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
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17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
d7e50217
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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.
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22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
25/*
26 * @OSF_COPYRIGHT@
27 */
28/*
29 * Mach Operating System
30 * Copyright (c) 1991,1990 Carnegie Mellon University
31 * All Rights Reserved.
32 *
33 * Permission to use, copy, modify and distribute this software and its
34 * documentation is hereby granted, provided that both the copyright
35 * notice and this permission notice appear in all copies of the
36 * software, derivative works or modified versions, and any portions
37 * thereof, and that both notices appear in supporting documentation.
38 *
39 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
40 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
41 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
42 *
43 * Carnegie Mellon requests users of this software to return to
44 *
45 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
46 * School of Computer Science
47 * Carnegie Mellon University
48 * Pittsburgh PA 15213-3890
49 *
50 * any improvements or extensions that they make and grant Carnegie Mellon
51 * the rights to redistribute these changes.
52 */
53/*
54 */
55/*
56 * Author: David B. Golub, Carnegie Mellon University
57 * Date: 7/90
58 */
59/*
60 * Data access functions for debugger.
61 */
62
63#ifndef _DDB_DB_ACCESS_H_
64#define _DDB_DB_ACCESS_H_
65
66#include <mach/boolean.h>
67#include <machine/db_machdep.h>
68#include <ddb/db_task_thread.h>
69
70/* implementation dependent access capability */
71#define DB_ACCESS_KERNEL 0 /* only kernel space */
72#define DB_ACCESS_CURRENT 1 /* kernel or current task space */
73#define DB_ACCESS_ANY 2 /* any space */
74
75#ifndef DB_ACCESS_LEVEL
76#define DB_ACCESS_LEVEL DB_ACCESS_KERNEL
77#endif /* DB_ACCESS_LEVEL */
78
79#ifndef DB_VALID_KERN_ADDR
80#define DB_VALID_KERN_ADDR(addr) ((addr) >= VM_MIN_KERNEL_ADDRESS \
81 && (addr) < VM_MAX_KERNEL_ADDRESS)
82#define DB_VALID_ADDRESS(addr,user) ((user != 0) ^ DB_VALID_KERN_ADDR(addr))
83#define DB_PHYS_EQ(task1,addr1,task2,addr2) 0
84#define DB_CHECK_ACCESS(addr,size,task) db_is_current_space(task)
85#endif /* DB_VALID_KERN_ADDR */
86
87extern int db_access_level;
88
89
90
91/* Prototypes for functions exported by ddb/db_access.c.
92 */
93db_expr_t db_get_task_value(
94 db_addr_t addr,
95 register int size,
96 boolean_t is_signed,
97 task_t task);
98
99void db_put_task_value(
100 db_addr_t addr,
101 register int size,
102 register db_expr_t value,
103 task_t task);
104
105db_expr_t db_get_value(
106 db_addr_t addr,
107 int size,
108 boolean_t is_signed);
109
110void db_put_value(
111 db_addr_t addr,
112 int size,
113 db_expr_t value);
114
115#endif /* !_DDB_DB_ACCESS_H_ */