| | 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 | * Mach Operating System |
| | 27 | * Copyright (c) 1991,1990 Carnegie Mellon University |
| | 28 | * All Rights Reserved. |
| | 29 | * |
| | 30 | * Permission to use, copy, modify and distribute this software and its |
| | 31 | * documentation is hereby granted, provided that both the copyright |
| | 32 | * notice and this permission notice appear in all copies of the |
| | 33 | * software, derivative works or modified versions, and any portions |
| | 34 | * thereof, and that both notices appear in supporting documentation. |
| | 35 | * |
| | 36 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| | 37 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
| | 38 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| | 39 | * |
| | 40 | * Carnegie Mellon requests users of this software to return to |
| | 41 | * |
| | 42 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
| | 43 | * School of Computer Science |
| | 44 | * Carnegie Mellon University |
| | 45 | * Pittsburgh PA 15213-3890 |
| | 46 | * |
| | 47 | * any improvements or extensions that they make and grant Carnegie Mellon |
| | 48 | * the rights to redistribute these changes. |
| | 49 | */ |
| | 50 | /* |
| | 51 | */ |
| | 52 | /* |
| | 53 | * Author: David B. Golub, Carnegie Mellon University |
| | 54 | * Date: 7/90 |
| | 55 | */ |
| | 56 | /* |
| | 57 | * Data access functions for debugger. |
| | 58 | */ |
| | 59 | |
| | 60 | #ifndef _DDB_DB_ACCESS_H_ |
| | 61 | #define _DDB_DB_ACCESS_H_ |
| | 62 | |
| | 63 | #include <mach/boolean.h> |
| | 64 | #include <machine/db_machdep.h> |
| | 65 | #include <ddb/db_task_thread.h> |
| | 66 | |
| | 67 | /* implementation dependent access capability */ |
| | 68 | #define DB_ACCESS_KERNEL 0 /* only kernel space */ |
| | 69 | #define DB_ACCESS_CURRENT 1 /* kernel or current task space */ |
| | 70 | #define DB_ACCESS_ANY 2 /* any space */ |
| | 71 | |
| | 72 | #ifndef DB_ACCESS_LEVEL |
| | 73 | #define DB_ACCESS_LEVEL DB_ACCESS_KERNEL |
| | 74 | #endif /* DB_ACCESS_LEVEL */ |
| | 75 | |
| | 76 | #ifndef DB_VALID_KERN_ADDR |
| | 77 | #define DB_VALID_KERN_ADDR(addr) ((addr) >= VM_MIN_KERNEL_ADDRESS \ |
| | 78 | && (addr) < VM_MAX_KERNEL_ADDRESS) |
| | 79 | #define DB_VALID_ADDRESS(addr,user) ((user != 0) ^ DB_VALID_KERN_ADDR(addr)) |
| | 80 | #define DB_PHYS_EQ(task1,addr1,task2,addr2) 0 |
| | 81 | #define DB_CHECK_ACCESS(addr,size,task) db_is_current_space(task) |
| | 82 | #endif /* DB_VALID_KERN_ADDR */ |
| | 83 | |
| | 84 | extern int db_access_level; |
| | 85 | |
| | 86 | |
| | 87 | |
| | 88 | /* Prototypes for functions exported by ddb/db_access.c. |
| | 89 | */ |
| | 90 | db_expr_t db_get_task_value( |
| | 91 | db_addr_t addr, |
| | 92 | register int size, |
| | 93 | boolean_t is_signed, |
| | 94 | task_t task); |
| | 95 | |
| | 96 | void db_put_task_value( |
| | 97 | db_addr_t addr, |
| | 98 | register int size, |
| | 99 | register db_expr_t value, |
| | 100 | task_t task); |
| | 101 | |
| | 102 | db_expr_t db_get_value( |
| | 103 | db_addr_t addr, |
| | 104 | int size, |
| | 105 | boolean_t is_signed); |
| | 106 | |
| | 107 | void db_put_value( |
| | 108 | db_addr_t addr, |
| | 109 | int size, |
| | 110 | db_expr_t value); |
| | 111 | |
| | 112 | #endif /* !_DDB_DB_ACCESS_H_ */ |
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