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/*
* Copyright (c) 2005 Apple Computer, Inc.
*
* This file describes the format of mach object files.
*/
#ifndef _MACHO_LOADER_H_
#define _MACHO_LOADER_H_
#include <stdint.h>
typedef uint32_t cpu_type_t;
typedef uint32_t cpu_subtype_t;
/*
* Specifies the general attributes of a file.
* Appears at the beginning of object files.
*/
struct mach_header {
uint32_t magic;
cpu_type_t cputype;
cpu_subtype_t cpusubtype;
uint32_t filetype;
uint32_t ncmds;
uint32_t sizeofcmds;
uint32_t flags;
} __attribute__((packed));
/* Constants for magic member */
#define MH_MAGIC 0xfeedface
#define MH_CIGAM 0xbebafeca
#define MH_MAGIC_32 MH_MAGIC
#define MH_CIGAM_32 MH_CIGAM
/*
* Defines the general attributes of a file targeted for a 64-bit architecture
*/
struct mach_header_64 {
uint32_t magic;
cpu_type_t cputype;
cpu_subtype_t cpusubtype;
uint32_t filetype;
uint32_t ncmds;
uint32_t sizeofcmds;
uint32_t flags;
uint32_t reserved;
};
/* Constants for magic member */
#define MH_MAGIC_64 0xfeedfacf
#define MH_CIGAM_64 0xcffaedfe
/* Constants for filetype member */
#define MH_OBJECT 0x1 /* intermediate object files */
#define MH_EXECUTE 0x2 /* standard executable programs */
#define MH_CORE 0x4 /* address space of a crashed program */
#define MH_PRELOAD 0x5 /* special-purpose programs (i.e. firmware) */
#define MH_DYLIB 0x6 /* dynamic shared libraries */
#define MH_DYLINKER 0x7 /* dynamic linker shared library */
#define MH_BUNDLE 0x8 /* runtime loadable code */
#endif /* _MACHO_LOADER_H_ */
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