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author | comex | 2015-07-16 00:17:14 -0400 |
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committer | comex | 2015-07-16 00:17:14 -0400 |
commit | 1171dd05f701c460232e6453a997ad2cacc65ae1 (patch) | |
tree | 9e504d4ab6fb021636e5e86234491f66d44455e9 /vendor | |
parent | add verbose thingy (diff) | |
download | substitute-1171dd05f701c460232e6453a997ad2cacc65ae1.tar.gz |
Import some code to handle <redacted> syms.
Diffstat (limited to 'vendor')
-rw-r--r-- | vendor/dyld_cache_format.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/vendor/dyld_cache_format.h b/vendor/dyld_cache_format.h new file mode 100644 index 0000000..18074d8 --- /dev/null +++ b/vendor/dyld_cache_format.h @@ -0,0 +1,104 @@ +/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*- + * + * Copyright (c) 2006-2009 Apple Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ +#ifndef __DYLD_CACHE_FORMAT__ +#define __DYLD_CACHE_FORMAT__ + +#include <stdint.h> + + +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 +}; + +struct dyld_cache_mapping_info { + uint64_t address; + uint64_t size; + uint64_t fileOffset; + uint32_t maxProt; + uint32_t initProt; +}; + +struct dyld_cache_image_info +{ + uint64_t address; + uint64_t modTime; + uint64_t inode; + uint32_t pathFileOffset; + uint32_t pad; +}; + +struct dyld_cache_slide_info +{ + uint32_t version; // currently 1 + uint32_t toc_offset; + uint32_t toc_count; + uint32_t entries_offset; + uint32_t entries_count; + uint32_t entries_size; // currently 128 + // uint16_t toc[toc_count]; + // entrybitmap entries[entries_count]; +}; + + +struct dyld_cache_local_symbols_info +{ + uint32_t nlistOffset; // offset into this chunk of nlist entries + uint32_t nlistCount; // count of nlist entries + uint32_t stringsOffset; // offset into this chunk of string pool + uint32_t stringsSize; // byte count of string pool + uint32_t entriesOffset; // offset into this chunk of array of dyld_cache_local_symbols_entry + uint32_t entriesCount; // number of elements in dyld_cache_local_symbols_entry array +}; + +struct dyld_cache_local_symbols_entry +{ + uint32_t dylibOffset; // offset in cache file of start of dylib + uint32_t nlistStartIndex; // start index of locals for this dylib + uint32_t nlistCount; // number of local symbols for this dylib +}; + + + +#define MACOSX_DYLD_SHARED_CACHE_DIR "/var/db/dyld/" +#define IPHONE_DYLD_SHARED_CACHE_DIR "/System/Library/Caches/com.apple.dyld/" +#define DYLD_SHARED_CACHE_BASE_NAME "dyld_shared_cache_" + + + +#endif // __DYLD_CACHE_FORMAT__ + + |