64 lines
2.4 KiB
C
64 lines
2.4 KiB
C
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/*
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* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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#ifndef _MACH_O_FAT_H_
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#define _MACH_O_FAT_H_
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/*
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* This header file describes the structures of the file format for "fat"
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* architecture specific file (wrapper design). At the begining of the file
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* there is one fat_header structure followed by a number of fat_arch
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* structures. For each architecture in the file, specified by a pair of
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* cputype and cpusubtype, the fat_header describes the file offset, file
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* size and alignment in the file of the architecture specific member.
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* The padded bytes in the file to place each member on it's specific alignment
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* are defined to be read as zeros and can be left as "holes" if the file system
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* can support them as long as they read as zeros.
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*
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* All structures defined here are always written and read to/from disk
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* in big-endian order.
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*/
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/*
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* <mach/machine.h> is needed here for the cpu_type_t and cpu_subtype_t types
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* and contains the constants for the possible values of these types.
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*/
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#include <stdint.h>
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#define FAT_MAGIC 0xcafebabe
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#define FAT_CIGAM 0xbebafeca /* NXSwapLong(FAT_MAGIC) */
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struct fat_header {
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uint32_t magic; /* FAT_MAGIC */
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uint32_t nfat_arch; /* number of structs that follow */
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};
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struct fat_arch {
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int cputype; /* cpu specifier (int) */
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int cpusubtype; /* machine specifier (int) */
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uint32_t offset; /* file offset to this object file */
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uint32_t size; /* size of this object file */
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uint32_t align; /* alignment as a power of 2 */
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};
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#endif /* _MACH_O_FAT_H_ */
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