[apple/security.git] / OSX / libsecurity_utilities / lib / dyld_cache_format.h

/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*- 
 *
 * Copyright (c) 2006-2009,2011 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 <sys/types.h>
#include <stdint.h>
#include <mach/shared_region.h>


 struct dyld_cache_header
{
	char		magic[16];				// e.g. "dyld_v0     ppc"
	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 in of code signature blob
	uint64_t	codeSignatureSize;		// size of code signature blob (zero means to end of 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;
};


#define DYLD_SHARED_CACHE_DIR			"/var/db/dyld/"
#define DYLD_SHARED_CACHE_BASE_NAME		"dyld_shared_cache_"


#endif // __DYLD_CACHE_FORMAT__
Commit	Line	Data
b1ab9ed8 A	1	/* -- mode: C++; c-basic-offset: 4; tab-width: 4 --
b1ab9ed8 A	2	*
d8f41ccd	3	* Copyright (c) 2006-2009,2011 Apple Inc. All Rights Reserved.
b1ab9ed8 A	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
	44	struct 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
	52	struct 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