| | 1 | /* |
| | 2 | * Copyright (c) 2017 Apple Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_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. Please obtain a copy of the License at |
| | 10 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 11 | * file. |
| | 12 | * |
| | 13 | * The Original Code and all software distributed under the License are |
| | 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 18 | * Please see the License for the specific language governing rights and |
| | 19 | * limitations under the License. |
| | 20 | * |
| | 21 | * @APPLE_LICENSE_HEADER_END@ |
| | 22 | */ |
| | 23 | |
| | 24 | |
| | 25 | #ifndef DyldCacheParser_h |
| | 26 | #define DyldCacheParser_h |
| | 27 | |
| | 28 | #include <stdint.h> |
| | 29 | #include <uuid/uuid.h> |
| | 30 | #include <mach-o/loader.h> |
| | 31 | |
| | 32 | #include "Diagnostics.h" |
| | 33 | #include "DyldSharedCache.h" |
| | 34 | #include "LaunchCacheFormat.h" |
| | 35 | |
| | 36 | namespace dyld3 { |
| | 37 | |
| | 38 | class VIS_HIDDEN DyldCacheParser |
| | 39 | { |
| | 40 | public: |
| | 41 | #if !DYLD_IN_PROCESS |
| | 42 | static bool isValidDyldCache(Diagnostics& diag, const std::string& archName, Platform platform, const void* fileContent, size_t fileLength, const std::string& pathOpened, bool ignoreMainExecutables); |
| | 43 | #endif |
| | 44 | |
| | 45 | DyldCacheParser(const DyldSharedCache* cacheHeader, bool rawFile); |
| | 46 | const DyldSharedCache* cacheHeader() const; |
| | 47 | bool cacheIsMappedRaw() const; |
| | 48 | |
| | 49 | |
| | 50 | |
| | 51 | // |
| | 52 | // Get ImageGroup for cached dylibs built into this cache files |
| | 53 | // |
| | 54 | const dyld3::launch_cache::binary_format::ImageGroup* cachedDylibsGroup() const; |
| | 55 | |
| | 56 | |
| | 57 | // |
| | 58 | // Get ImageGroup for other OS dylibs and bundles built into this cache files |
| | 59 | // |
| | 60 | const dyld3::launch_cache::binary_format::ImageGroup* otherDylibsGroup() const; |
| | 61 | |
| | 62 | |
| | 63 | // |
| | 64 | // returns closure for given path, or nullptr if no closure found |
| | 65 | // |
| | 66 | const dyld3::launch_cache::binary_format::Closure* findClosure(const char* path) const; |
| | 67 | |
| | 68 | // |
| | 69 | // returns what vmOffset of data (r/w) region from cache header will be when cache is used in a process |
| | 70 | // |
| | 71 | uint64_t dataRegionRuntimeVmOffset() const; |
| | 72 | |
| | 73 | #if !DYLD_IN_PROCESS |
| | 74 | // |
| | 75 | // Iterates over closure of OS programs built into shared cache |
| | 76 | // |
| | 77 | void forEachClosure(void (^handler)(const char* runtimePath, const dyld3::launch_cache::binary_format::Closure*)) const; |
| | 78 | #endif |
| | 79 | |
| | 80 | private: |
| | 81 | const dyld_cache_header* header() const; |
| | 82 | |
| | 83 | long _data; // low bit means rawFile |
| | 84 | }; |
| | 85 | |
| | 86 | } // namespace dyld3 |
| | 87 | |
| | 88 | #endif // DyldCacheParser_h |
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