diff options
Diffstat (limited to 'system_cmds/gcore.tproj/dyld_shared_cache.h')
| -rw-r--r-- | system_cmds/gcore.tproj/dyld_shared_cache.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/system_cmds/gcore.tproj/dyld_shared_cache.h b/system_cmds/gcore.tproj/dyld_shared_cache.h new file mode 100644 index 0000000..1fe0fac --- /dev/null +++ b/system_cmds/gcore.tproj/dyld_shared_cache.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2015 Apple Inc. All rights reserved. + */ + +#include <inttypes.h> +#include <stdbool.h> +#include <uuid/uuid.h> +#include <sys/types.h> + +#ifndef _DYLD_SHARED_CACHE_H +#define _DYLD_SHARED_CACHE_H + +/* + * Guilty knowledge of dyld shared cache internals, used to verify shared cache + */ +struct copied_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; // 1 for development, 0 for optimized +}; + +extern bool get_uuid_from_shared_cache_mapping(const void *, size_t, uuid_t); +extern char *shared_cache_filename(const uuid_t); + +#endif /* _DYLD_SHARED_CACHE_H */ |