| | 1 | /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*- |
| | 2 | * |
| | 3 | * Copyright (c) 2006-2009 Apple Inc. All rights reserved. |
| | 4 | * |
| | 5 | * @APPLE_LICENSE_HEADER_START@ |
| | 6 | * |
| | 7 | * This file contains Original Code and/or Modifications of Original Code |
| | 8 | * as defined in and that are subject to the Apple Public Source License |
| | 9 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 10 | * compliance with the License. Please obtain a copy of the License at |
| | 11 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 12 | * file. |
| | 13 | * |
| | 14 | * The Original Code and all software distributed under the License are |
| | 15 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 18 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 19 | * Please see the License for the specific language governing rights and |
| | 20 | * limitations under the License. |
| | 21 | * |
| | 22 | * @APPLE_LICENSE_HEADER_END@ |
| | 23 | */ |
| | 24 | #ifndef __DYLD_CACHE_FORMAT__ |
| | 25 | #define __DYLD_CACHE_FORMAT__ |
| | 26 | |
| | 27 | #include <sys/types.h> |
| | 28 | #include <stdint.h> |
| | 29 | #include <mach/shared_region.h> |
| | 30 | |
| | 31 | |
| | 32 | struct dyld_cache_header |
| | 33 | { |
| | 34 | char magic[16]; // e.g. "dyld_v0 ppc" |
| | 35 | uint32_t mappingOffset; // file offset to first dyld_cache_mapping_info |
| | 36 | uint32_t mappingCount; // number of dyld_cache_mapping_info entries |
| | 37 | uint32_t imagesOffset; // file offset to first dyld_cache_image_info |
| | 38 | uint32_t imagesCount; // number of dyld_cache_image_info entries |
| | 39 | uint64_t dyldBaseAddress; // base address of dyld when cache was built |
| | 40 | uint64_t codeSignatureOffset; // file offset of code signature blob |
| | 41 | uint64_t codeSignatureSize; // size of code signature blob (zero means to end of file) |
| | 42 | uint64_t slideInfoOffset; // file offset of kernel slid info |
| | 43 | uint64_t slideInfoSize; // size of kernel slid info |
| | 44 | }; |
| | 45 | |
| | 46 | struct dyld_cache_mapping_info { |
| | 47 | uint64_t address; |
| | 48 | uint64_t size; |
| | 49 | uint64_t fileOffset; |
| | 50 | uint32_t maxProt; |
| | 51 | uint32_t initProt; |
| | 52 | }; |
| | 53 | |
| | 54 | struct dyld_cache_image_info |
| | 55 | { |
| | 56 | uint64_t address; |
| | 57 | uint64_t modTime; |
| | 58 | uint64_t inode; |
| | 59 | uint32_t pathFileOffset; |
| | 60 | uint32_t pad; |
| | 61 | }; |
| | 62 | |
| | 63 | struct dyld_cache_slide_info |
| | 64 | { |
| | 65 | uint32_t version; // currently 1 |
| | 66 | uint32_t toc_offset; |
| | 67 | uint32_t toc_count; |
| | 68 | uint32_t entries_offset; |
| | 69 | uint32_t entries_count; |
| | 70 | uint32_t entries_size; // currently 128 |
| | 71 | // uint16_t toc[toc_count]; |
| | 72 | // entrybitmap entries[entries_count]; |
| | 73 | }; |
| | 74 | |
| | 75 | |
| | 76 | |
| | 77 | #define MACOSX_DYLD_SHARED_CACHE_DIR "/var/db/dyld/" |
| | 78 | #define IPHONE_DYLD_SHARED_CACHE_DIR "/System/Library/Caches/com.apple.dyld/" |
| | 79 | #define DYLD_SHARED_CACHE_BASE_NAME "dyld_shared_cache_" |
| | 80 | |
| | 81 | |
| | 82 | |
| | 83 | #endif // __DYLD_CACHE_FORMAT__ |
| | 84 | |
| | 85 | |
projects / apple / dyld.git / blame_incremental