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Diffstat (limited to 'externals/breakpad/src/third_party/mac_headers/mach-o/fat.h')
| -rw-r--r-- | externals/breakpad/src/third_party/mac_headers/mach-o/fat.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/externals/breakpad/src/third_party/mac_headers/mach-o/fat.h b/externals/breakpad/src/third_party/mac_headers/mach-o/fat.h new file mode 100644 index 0000000000..0e5927dc25 --- /dev/null +++ b/externals/breakpad/src/third_party/mac_headers/mach-o/fat.h @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2016 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 _MACH_O_FAT_H_ +#define _MACH_O_FAT_H_ +/* + * This header file describes the structures of the file format for "fat" + * architecture specific file (wrapper design). At the begining of the file + * there is one fat_header structure followed by a number of fat_arch + * structures. For each architecture in the file, specified by a pair of + * cputype and cpusubtype, the fat_header describes the file offset, file + * size and alignment in the file of the architecture specific member. + * The padded bytes in the file to place each member on it's specific alignment + * are defined to be read as zeros and can be left as "holes" if the file system + * can support them as long as they read as zeros. + * + * All structures defined here are always written and read to/from disk + * in big-endian order. + */ + +/* + * <mach/machine.h> is needed here for the cpu_type_t and cpu_subtype_t types + * and contains the constants for the possible values of these types. + */ +#include <stdint.h> +#include <mach/machine.h> +#include <architecture/byte_order.h> + +#define FAT_MAGIC 0xcafebabe +#define FAT_CIGAM 0xbebafeca /* NXSwapLong(FAT_MAGIC) */ + +struct fat_header { + uint32_t magic; /* FAT_MAGIC or FAT_MAGIC_64 */ + uint32_t nfat_arch; /* number of structs that follow */ +}; + +struct fat_arch { + cpu_type_t cputype; /* cpu specifier (int) */ + cpu_subtype_t cpusubtype; /* machine specifier (int) */ + uint32_t offset; /* file offset to this object file */ + uint32_t size; /* size of this object file */ + uint32_t align; /* alignment as a power of 2 */ +}; + +/* + * The support for the 64-bit fat file format described here is a work in + * progress and not yet fully supported in all the Apple Developer Tools. + * + * When a slice is greater than 4mb or an offset to a slice is greater than 4mb + * then the 64-bit fat file format is used. + */ +#define FAT_MAGIC_64 0xcafebabf +#define FAT_CIGAM_64 0xbfbafeca /* NXSwapLong(FAT_MAGIC_64) */ + +struct fat_arch_64 { + cpu_type_t cputype; /* cpu specifier (int) */ + cpu_subtype_t cpusubtype; /* machine specifier (int) */ + uint64_t offset; /* file offset to this object file */ + uint64_t size; /* size of this object file */ + uint32_t align; /* alignment as a power of 2 */ + uint32_t reserved; /* reserved */ +}; + +#endif /* _MACH_O_FAT_H_ */
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