| 1 | /*␊ |
| 2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. Please obtain a copy of the License at␊ |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this␊ |
| 11 | * file.␊ |
| 12 | * ␊ |
| 13 | * The Original Code and all software distributed under the License are␊ |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 18 | * Please see the License for the specific language governing rights and␊ |
| 19 | * limitations under the License.␊ |
| 20 | * ␊ |
| 21 | * @APPLE_LICENSE_HEADER_END@␊ |
| 22 | */␊ |
| 23 | #ifndef _MACH_O_FAT_H_␊ |
| 24 | #define _MACH_O_FAT_H_␊ |
| 25 | /*␊ |
| 26 | * This header file describes the structures of the file format for "fat"␊ |
| 27 | * architecture specific file (wrapper design). At the begining of the file␊ |
| 28 | * there is one fat_header structure followed by a number of fat_arch␊ |
| 29 | * structures. For each architecture in the file, specified by a pair of␊ |
| 30 | * cputype and cpusubtype, the fat_header describes the file offset, file␊ |
| 31 | * size and alignment in the file of the architecture specific member.␊ |
| 32 | * The padded bytes in the file to place each member on it's specific alignment␊ |
| 33 | * are defined to be read as zeros and can be left as "holes" if the file system␊ |
| 34 | * can support them as long as they read as zeros.␊ |
| 35 | *␊ |
| 36 | * All structures defined here are always written and read to/from disk␊ |
| 37 | * in big-endian order.␊ |
| 38 | */␊ |
| 39 | ␊ |
| 40 | /*␊ |
| 41 | * <mach/machine.h> is needed here for the cpu_type_t and cpu_subtype_t types␊ |
| 42 | * and contains the constants for the possible values of these types.␊ |
| 43 | */␊ |
| 44 | #include <stdint.h>␊ |
| 45 | #include <mach/machine.h>␊ |
| 46 | #include <architecture/byte_order.h>␊ |
| 47 | ␊ |
| 48 | #define FAT_MAGIC␉0xcafebabe␊ |
| 49 | #define FAT_CIGAM␉0xbebafeca␉/* NXSwapLong(FAT_MAGIC) */␊ |
| 50 | ␊ |
| 51 | struct fat_header {␊ |
| 52 | ␉uint32_t␉magic;␉␉/* FAT_MAGIC */␊ |
| 53 | ␉uint32_t␉nfat_arch;␉/* number of structs that follow */␊ |
| 54 | };␊ |
| 55 | ␊ |
| 56 | struct fat_arch {␊ |
| 57 | ␉cpu_type_t␉cputype;␉/* cpu specifier (int) */␊ |
| 58 | ␉cpu_subtype_t␉cpusubtype;␉/* machine specifier (int) */␊ |
| 59 | ␉uint32_t␉offset;␉␉/* file offset to this object file */␊ |
| 60 | ␉uint32_t␉size;␉␉/* size of this object file */␊ |
| 61 | ␉uint32_t␉align;␉␉/* alignment as a power of 2 */␊ |
| 62 | };␊ |
| 63 | ␊ |
| 64 | #endif /* _MACH_O_FAT_H_ */␊ |
| 65 | |
