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 in of code signature blob 41 uint64_t codeSignatureSize; // size of code signature blob (zero means to end of file) 42}; 43 44struct dyld_cache_mapping_info { 45 uint64_t address; 46 uint64_t size; 47 uint64_t fileOffset; 48 uint32_t maxProt; 49 uint32_t initProt; 50}; 51 52struct dyld_cache_image_info 53{ 54 uint64_t address; 55 uint64_t modTime; 56 uint64_t inode; 57 uint32_t pathFileOffset; 58 uint32_t pad; 59}; 60 61 62#define DYLD_SHARED_CACHE_DIR "/var/db/dyld/" 63#define DYLD_SHARED_CACHE_BASE_NAME "dyld_shared_cache_" 64 65 66 67#endif // __DYLD_CACHE_FORMAT__ 68 69 70