projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
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_ */ |