-struct _dyld_cache_header
-{
- char magic[16]; // e.g. "dyld_v0 i386"
- uint32_t mappingOffset; // file offset to first dyld_cache_mapping_info
- uint32_t mappingCount; // number of dyld_cache_mapping_info entries
- uint32_t imagesOffset; // file offset to first dyld_cache_image_info
- uint32_t imagesCount; // number of dyld_cache_image_info entries
- uint64_t dyldBaseAddress; // base address of dyld when cache was built
- uint64_t codeSignatureOffset; // file offset of code signature blob
- uint64_t codeSignatureSize; // size of code signature blob (zero means to end of file)
- uint64_t slideInfoOffset; // file offset of kernel slid info
- uint64_t slideInfoSize; // size of kernel slid info
- uint64_t localSymbolsOffset; // file offset of where local symbols are stored
- uint64_t localSymbolsSize; // size of local symbols information
- uint8_t uuid[16]; // unique value for each shared cache file
- uint64_t cacheType; // 0 for development, 1 for production
- uint32_t branchPoolsOffset; // file offset to table of uint64_t pool addresses
- uint32_t branchPoolsCount; // number of uint64_t entries
- uint64_t accelerateInfoAddr; // (unslid) address of optimization info
- uint64_t accelerateInfoSize; // size of optimization info
- uint64_t imagesTextOffset; // file offset to first dyld_cache_image_text_info
- uint64_t imagesTextCount; // number of dyld_cache_image_text_info entries
- uint64_t dylibsImageGroupAddr; // (unslid) address of ImageGroup for dylibs in this cache
- uint64_t dylibsImageGroupSize; // size of ImageGroup for dylibs in this cache
- uint64_t otherImageGroupAddr; // (unslid) address of ImageGroup for other OS dylibs
- uint64_t otherImageGroupSize; // size of oImageGroup for other OS dylibs
- uint64_t progClosuresAddr; // (unslid) address of list of program launch closures
- uint64_t progClosuresSize; // size of list of program launch closures
- uint64_t progClosuresTrieAddr; // (unslid) address of trie of indexes into program launch closures
- uint64_t progClosuresTrieSize; // size of trie of indexes into program launch closures
- uint32_t platform; // platform number (macOS=1, etc)
- uint32_t formatVersion : 8, // dyld3::closure::kFormatVersion
- dylibsExpectedOnDisk : 1, // dyld should expect the dylib exists on disk and to compare inode/mtime to see if cache is valid
- simulator : 1, // for simulator of specified platform
- locallyBuiltCache : 1, // 0 for B&I built cache, 1 for locally built cache
- padding : 21; // TBD
+struct _dyld_cache_header {
+ char magic[16]; // e.g. "dyld_v0 i386"
+ uint32_t mappingOffset; // file offset to first dyld_cache_mapping_info
+ uint32_t mappingCount; // number of dyld_cache_mapping_info entries
+ uint32_t imagesOffset; // file offset to first dyld_cache_image_info
+ uint32_t imagesCount; // number of dyld_cache_image_info entries
+ uint64_t dyldBaseAddress; // base address of dyld when cache was built
+ uint64_t codeSignatureOffset;// file offset of code signature blob
+ uint64_t codeSignatureSize; // size of code signature blob (zero means to end of file)
+ uint64_t slideInfoOffset; // file offset of kernel slid info
+ uint64_t slideInfoSize; // size of kernel slid info
+ uint64_t localSymbolsOffset; // file offset of where local symbols are stored
+ uint64_t localSymbolsSize; // size of local symbols information
+ uint8_t uuid[16]; // unique value for each shared cache file
+ uint64_t cacheType; // 0 for development, 1 for production
+ uint32_t branchPoolsOffset; // file offset to table of uint64_t pool addresses
+ uint32_t branchPoolsCount; // number of uint64_t entries
+ uint64_t accelerateInfoAddr; // (unslid) address of optimization info
+ uint64_t accelerateInfoSize; // size of optimization info
+ uint64_t imagesTextOffset; // file offset to first dyld_cache_image_text_info
+ uint64_t imagesTextCount; // number of dyld_cache_image_text_info entries
+ uint64_t dylibsImageGroupAddr;// (unslid) address of ImageGroup for dylibs in this cache
+ uint64_t dylibsImageGroupSize;// size of ImageGroup for dylibs in this cache
+ uint64_t otherImageGroupAddr;// (unslid) address of ImageGroup for other OS dylibs
+ uint64_t otherImageGroupSize;// size of oImageGroup for other OS dylibs
+ uint64_t progClosuresAddr; // (unslid) address of list of program launch closures
+ uint64_t progClosuresSize; // size of list of program launch closures
+ uint64_t progClosuresTrieAddr;// (unslid) address of trie of indexes into program launch closures
+ uint64_t progClosuresTrieSize;// size of trie of indexes into program launch closures
+ uint32_t platform; // platform number (macOS=1, etc)
+ uint32_t formatVersion : 8,// dyld3::closure::kFormatVersion
+ dylibsExpectedOnDisk : 1, // dyld should expect the dylib exists on disk and to compare inode/mtime to see if cache is valid
+ simulator : 1, // for simulator of specified platform
+ locallyBuiltCache : 1, // 0 for B&I built cache, 1 for locally built cache
+ padding : 21; // TBD