//===-- llvm/Support/MachO.h - The MachO file format ------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file defines manifest constants for the MachO object file format. // //===----------------------------------------------------------------------===// #ifndef LLVM_SUPPORT_MACHO_H #define LLVM_SUPPORT_MACHO_H #include "llvm/Support/DataTypes.h" #include "llvm/Support/Host.h" namespace llvm { namespace MachO { // Enums from enum { // Constants for the "magic" field in llvm::MachO::mach_header and // llvm::MachO::mach_header_64 MH_MAGIC = 0xFEEDFACEu, MH_CIGAM = 0xCEFAEDFEu, MH_MAGIC_64 = 0xFEEDFACFu, MH_CIGAM_64 = 0xCFFAEDFEu, FAT_MAGIC = 0xCAFEBABEu, FAT_CIGAM = 0xBEBAFECAu }; enum HeaderFileType { // Constants for the "filetype" field in llvm::MachO::mach_header and // llvm::MachO::mach_header_64 MH_OBJECT = 0x1u, MH_EXECUTE = 0x2u, MH_FVMLIB = 0x3u, MH_CORE = 0x4u, MH_PRELOAD = 0x5u, MH_DYLIB = 0x6u, MH_DYLINKER = 0x7u, MH_BUNDLE = 0x8u, MH_DYLIB_STUB = 0x9u, MH_DSYM = 0xAu, MH_KEXT_BUNDLE = 0xBu }; enum { // Constant bits for the "flags" field in llvm::MachO::mach_header and // llvm::MachO::mach_header_64 MH_NOUNDEFS = 0x00000001u, MH_INCRLINK = 0x00000002u, MH_DYLDLINK = 0x00000004u, MH_BINDATLOAD = 0x00000008u, MH_PREBOUND = 0x00000010u, MH_SPLIT_SEGS = 0x00000020u, MH_LAZY_INIT = 0x00000040u, MH_TWOLEVEL = 0x00000080u, MH_FORCE_FLAT = 0x00000100u, MH_NOMULTIDEFS = 0x00000200u, MH_NOFIXPREBINDING = 0x00000400u, MH_PREBINDABLE = 0x00000800u, MH_ALLMODSBOUND = 0x00001000u, MH_SUBSECTIONS_VIA_SYMBOLS = 0x00002000u, MH_CANONICAL = 0x00004000u, MH_WEAK_DEFINES = 0x00008000u, MH_BINDS_TO_WEAK = 0x00010000u, MH_ALLOW_STACK_EXECUTION = 0x00020000u, MH_ROOT_SAFE = 0x00040000u, MH_SETUID_SAFE = 0x00080000u, MH_NO_REEXPORTED_DYLIBS = 0x00100000u, MH_PIE = 0x00200000u, MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u }; enum { // Flags for the "cmd" field in llvm::MachO::load_command LC_REQ_DYLD = 0x80000000u }; enum LoadCommandType { // Constants for the "cmd" field in llvm::MachO::load_command LC_SEGMENT = 0x00000001u, LC_SYMTAB = 0x00000002u, LC_SYMSEG = 0x00000003u, LC_THREAD = 0x00000004u, LC_UNIXTHREAD = 0x00000005u, LC_LOADFVMLIB = 0x00000006u, LC_IDFVMLIB = 0x00000007u, LC_IDENT = 0x00000008u, LC_FVMFILE = 0x00000009u, LC_PREPAGE = 0x0000000Au, LC_DYSYMTAB = 0x0000000Bu, LC_LOAD_DYLIB = 0x0000000Cu, LC_ID_DYLIB = 0x0000000Du, LC_LOAD_DYLINKER = 0x0000000Eu, LC_ID_DYLINKER = 0x0000000Fu, LC_PREBOUND_DYLIB = 0x00000010u, LC_ROUTINES = 0x00000011u, LC_SUB_FRAMEWORK = 0x00000012u, LC_SUB_UMBRELLA = 0x00000013u, LC_SUB_CLIENT = 0x00000014u, LC_SUB_LIBRARY = 0x00000015u, LC_TWOLEVEL_HINTS = 0x00000016u, LC_PREBIND_CKSUM = 0x00000017u, LC_LOAD_WEAK_DYLIB = 0x80000018u, LC_SEGMENT_64 = 0x00000019u, LC_ROUTINES_64 = 0x0000001Au, LC_UUID = 0x0000001Bu, LC_RPATH = 0x8000001Cu, LC_CODE_SIGNATURE = 0x0000001Du, LC_SEGMENT_SPLIT_INFO = 0x0000001Eu, LC_REEXPORT_DYLIB = 0x8000001Fu, LC_LAZY_LOAD_DYLIB = 0x00000020u, LC_ENCRYPTION_INFO = 0x00000021u, LC_DYLD_INFO = 0x00000022u, LC_DYLD_INFO_ONLY = 0x80000022u, LC_LOAD_UPWARD_DYLIB = 0x80000023u, LC_VERSION_MIN_MACOSX = 0x00000024u, LC_VERSION_MIN_IPHONEOS = 0x00000025u, LC_FUNCTION_STARTS = 0x00000026u, LC_DYLD_ENVIRONMENT = 0x00000027u, LC_MAIN = 0x80000028u, LC_DATA_IN_CODE = 0x00000029u, LC_SOURCE_VERSION = 0x0000002Au, LC_DYLIB_CODE_SIGN_DRS = 0x0000002Bu, // 0x0000002Cu, LC_LINKER_OPTIONS = 0x0000002Du }; enum { // Constant bits for the "flags" field in llvm::MachO::segment_command SG_HIGHVM = 0x1u, SG_FVMLIB = 0x2u, SG_NORELOC = 0x4u, SG_PROTECTED_VERSION_1 = 0x8u, // Constant masks for the "flags" field in llvm::MachO::section and // llvm::MachO::section_64 SECTION_TYPE = 0x000000ffu, // SECTION_TYPE SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS }; enum SectionType { // Constant masks for the "flags[7:0]" field in llvm::MachO::section and // llvm::MachO::section_64 (mask "flags" with SECTION_TYPE) S_REGULAR = 0x00u, S_ZEROFILL = 0x01u, S_CSTRING_LITERALS = 0x02u, S_4BYTE_LITERALS = 0x03u, S_8BYTE_LITERALS = 0x04u, S_LITERAL_POINTERS = 0x05u, S_NON_LAZY_SYMBOL_POINTERS = 0x06u, S_LAZY_SYMBOL_POINTERS = 0x07u, S_SYMBOL_STUBS = 0x08u, S_MOD_INIT_FUNC_POINTERS = 0x09u, S_MOD_TERM_FUNC_POINTERS = 0x0au, S_COALESCED = 0x0bu, S_GB_ZEROFILL = 0x0cu, S_INTERPOSING = 0x0du, S_16BYTE_LITERALS = 0x0eu, S_DTRACE_DOF = 0x0fu, S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u, S_THREAD_LOCAL_REGULAR = 0x11u, S_THREAD_LOCAL_ZEROFILL = 0x12u, S_THREAD_LOCAL_VARIABLES = 0x13u, S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u, S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u }; enum { // Constant masks for the "flags[31:24]" field in llvm::MachO::section and // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR) S_ATTR_PURE_INSTRUCTIONS = 0x80000000u, S_ATTR_NO_TOC = 0x40000000u, S_ATTR_STRIP_STATIC_SYMS = 0x20000000u, S_ATTR_NO_DEAD_STRIP = 0x10000000u, S_ATTR_LIVE_SUPPORT = 0x08000000u, S_ATTR_SELF_MODIFYING_CODE = 0x04000000u, S_ATTR_DEBUG = 0x02000000u, // Constant masks for the "flags[23:8]" field in llvm::MachO::section and // llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS) S_ATTR_SOME_INSTRUCTIONS = 0x00000400u, S_ATTR_EXT_RELOC = 0x00000200u, S_ATTR_LOC_RELOC = 0x00000100u, // Constant masks for the value of an indirect symbol in an indirect // symbol table INDIRECT_SYMBOL_LOCAL = 0x80000000u, INDIRECT_SYMBOL_ABS = 0x40000000u }; enum DataRegionType { // Constants for the "kind" field in a data_in_code_entry structure DICE_KIND_DATA = 1u, DICE_KIND_JUMP_TABLE8 = 2u, DICE_KIND_JUMP_TABLE16 = 3u, DICE_KIND_JUMP_TABLE32 = 4u, DICE_KIND_ABS_JUMP_TABLE32 = 5u }; enum RebaseType { REBASE_TYPE_POINTER = 1u, REBASE_TYPE_TEXT_ABSOLUTE32 = 2u, REBASE_TYPE_TEXT_PCREL32 = 3u }; enum { REBASE_OPCODE_MASK = 0xF0u, REBASE_IMMEDIATE_MASK = 0x0Fu }; enum RebaseOpcode { REBASE_OPCODE_DONE = 0x00u, REBASE_OPCODE_SET_TYPE_IMM = 0x10u, REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x20u, REBASE_OPCODE_ADD_ADDR_ULEB = 0x30u, REBASE_OPCODE_ADD_ADDR_IMM_SCALED = 0x40u, REBASE_OPCODE_DO_REBASE_IMM_TIMES = 0x50u, REBASE_OPCODE_DO_REBASE_ULEB_TIMES = 0x60u, REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB = 0x70u, REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB = 0x80u }; enum BindType { BIND_TYPE_POINTER = 1u, BIND_TYPE_TEXT_ABSOLUTE32 = 2u, BIND_TYPE_TEXT_PCREL32 = 3u }; enum BindSpecialDylib { BIND_SPECIAL_DYLIB_SELF = 0u, BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1u, BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2u }; enum { BIND_SYMBOL_FLAGS_WEAK_IMPORT = 0x1u, BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION = 0x8u, BIND_OPCODE_MASK = 0xF0u, BIND_IMMEDIATE_MASK = 0x0Fu }; enum BindOpcode { BIND_OPCODE_DONE = 0x00u, BIND_OPCODE_SET_DYLIB_ORDINAL_IMM = 0x10u, BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB = 0x20u, BIND_OPCODE_SET_DYLIB_SPECIAL_IMM = 0x30u, BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM = 0x40u, BIND_OPCODE_SET_TYPE_IMM = 0x50u, BIND_OPCODE_SET_ADDEND_SLEB = 0x60u, BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB = 0x70u, BIND_OPCODE_ADD_ADDR_ULEB = 0x80u, BIND_OPCODE_DO_BIND = 0x90u, BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB = 0xA0u, BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED = 0xB0u, BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB = 0xC0u }; enum { EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u, EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u, EXPORT_SYMBOL_FLAGS_INDIRECT_DEFINITION = 0x08u, EXPORT_SYMBOL_FLAGS_HAS_SPECIALIZATIONS = 0x10u }; enum ExportSymbolKind { EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u, EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u }; enum { // Constant masks for the "n_type" field in llvm::MachO::nlist and // llvm::MachO::nlist_64 N_STAB = 0xe0, N_PEXT = 0x10, N_TYPE = 0x0e, N_EXT = 0x01 }; enum NListType { // Constants for the "n_type & N_TYPE" llvm::MachO::nlist and // llvm::MachO::nlist_64 N_UNDF = 0x0u, N_ABS = 0x2u, N_SECT = 0xeu, N_PBUD = 0xcu, N_INDR = 0xau }; enum SectionOrdinal { // Constants for the "n_sect" field in llvm::MachO::nlist and // llvm::MachO::nlist_64 NO_SECT = 0u, MAX_SECT = 0xffu }; enum { // Constant masks for the "n_desc" field in llvm::MachO::nlist and // llvm::MachO::nlist_64 N_ARM_THUMB_DEF = 0x0008u, N_NO_DEAD_STRIP = 0x0020u, N_WEAK_REF = 0x0040u, N_WEAK_DEF = 0x0080u, N_SYMBOL_RESOLVER = 0x0100u }; enum StabType { // Constant values for the "n_type" field in llvm::MachO::nlist and // llvm::MachO::nlist_64 when "(n_type & NlistMaskStab) != 0" N_GSYM = 0x20u, N_FNAME = 0x22u, N_FUN = 0x24u, N_STSYM = 0x26u, N_LCSYM = 0x28u, N_BNSYM = 0x2Eu, N_OPT = 0x3Cu, N_RSYM = 0x40u, N_SLINE = 0x44u, N_ENSYM = 0x4Eu, N_SSYM = 0x60u, N_SO = 0x64u, N_OSO = 0x66u, N_LSYM = 0x80u, N_BINCL = 0x82u, N_SOL = 0x84u, N_PARAMS = 0x86u, N_VERSION = 0x88u, N_OLEVEL = 0x8Au, N_PSYM = 0xA0u, N_EINCL = 0xA2u, N_ENTRY = 0xA4u, N_LBRAC = 0xC0u, N_EXCL = 0xC2u, N_RBRAC = 0xE0u, N_BCOMM = 0xE2u, N_ECOMM = 0xE4u, N_ECOML = 0xE8u, N_LENG = 0xFEu }; enum { // Constant values for the r_symbolnum field in an // llvm::MachO::relocation_info structure when r_extern is 0. R_ABS = 0, // Constant bits for the r_address field in an // llvm::MachO::relocation_info structure. R_SCATTERED = 0x80000000 }; enum RelocationInfoType { // Constant values for the r_type field in an // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info // structure. GENERIC_RELOC_VANILLA = 0, GENERIC_RELOC_PAIR = 1, GENERIC_RELOC_SECTDIFF = 2, GENERIC_RELOC_PB_LA_PTR = 3, GENERIC_RELOC_LOCAL_SECTDIFF = 4, GENERIC_RELOC_TLV = 5, // Constant values for the r_type field in a PowerPC architecture // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info // structure. PPC_RELOC_VANILLA = GENERIC_RELOC_VANILLA, PPC_RELOC_PAIR = GENERIC_RELOC_PAIR, PPC_RELOC_BR14 = 2, PPC_RELOC_BR24 = 3, PPC_RELOC_HI16 = 4, PPC_RELOC_LO16 = 5, PPC_RELOC_HA16 = 6, PPC_RELOC_LO14 = 7, PPC_RELOC_SECTDIFF = 8, PPC_RELOC_PB_LA_PTR = 9, PPC_RELOC_HI16_SECTDIFF = 10, PPC_RELOC_LO16_SECTDIFF = 11, PPC_RELOC_HA16_SECTDIFF = 12, PPC_RELOC_JBSR = 13, PPC_RELOC_LO14_SECTDIFF = 14, PPC_RELOC_LOCAL_SECTDIFF = 15, // Constant values for the r_type field in an ARM architecture // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info // structure. ARM_RELOC_VANILLA = GENERIC_RELOC_VANILLA, ARM_RELOC_PAIR = GENERIC_RELOC_PAIR, ARM_RELOC_SECTDIFF = GENERIC_RELOC_SECTDIFF, ARM_RELOC_LOCAL_SECTDIFF = 3, ARM_RELOC_PB_LA_PTR = 4, ARM_RELOC_BR24 = 5, ARM_THUMB_RELOC_BR22 = 6, ARM_THUMB_32BIT_BRANCH = 7, // obsolete ARM_RELOC_HALF = 8, ARM_RELOC_HALF_SECTDIFF = 9, // Constant values for the r_type field in an x86_64 architecture // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info // structure X86_64_RELOC_UNSIGNED = 0, X86_64_RELOC_SIGNED = 1, X86_64_RELOC_BRANCH = 2, X86_64_RELOC_GOT_LOAD = 3, X86_64_RELOC_GOT = 4, X86_64_RELOC_SUBTRACTOR = 5, X86_64_RELOC_SIGNED_1 = 6, X86_64_RELOC_SIGNED_2 = 7, X86_64_RELOC_SIGNED_4 = 8, X86_64_RELOC_TLV = 9 }; // Values for segment_command.initprot. // From enum { VM_PROT_READ = 0x1, VM_PROT_WRITE = 0x2, VM_PROT_EXECUTE = 0x4 }; // Structs from struct mach_header { uint32_t magic; uint32_t cputype; uint32_t cpusubtype; uint32_t filetype; uint32_t ncmds; uint32_t sizeofcmds; uint32_t flags; }; struct mach_header_64 { uint32_t magic; uint32_t cputype; uint32_t cpusubtype; uint32_t filetype; uint32_t ncmds; uint32_t sizeofcmds; uint32_t flags; uint32_t reserved; }; struct load_command { uint32_t cmd; uint32_t cmdsize; }; struct segment_command { uint32_t cmd; uint32_t cmdsize; char segname[16]; uint32_t vmaddr; uint32_t vmsize; uint32_t fileoff; uint32_t filesize; uint32_t maxprot; uint32_t initprot; uint32_t nsects; uint32_t flags; }; struct segment_command_64 { uint32_t cmd; uint32_t cmdsize; char segname[16]; uint64_t vmaddr; uint64_t vmsize; uint64_t fileoff; uint64_t filesize; uint32_t maxprot; uint32_t initprot; uint32_t nsects; uint32_t flags; }; struct section { char sectname[16]; char segname[16]; uint32_t addr; uint32_t size; uint32_t offset; uint32_t align; uint32_t reloff; uint32_t nreloc; uint32_t flags; uint32_t reserved1; uint32_t reserved2; }; struct section_64 { char sectname[16]; char segname[16]; uint64_t addr; uint64_t size; uint32_t offset; uint32_t align; uint32_t reloff; uint32_t nreloc; uint32_t flags; uint32_t reserved1; uint32_t reserved2; uint32_t reserved3; }; struct fvmlib { uint32_t name; uint32_t minor_version; uint32_t header_addr; }; struct fvmlib_command { uint32_t cmd; uint32_t cmdsize; struct fvmlib fvmlib; }; struct dylib { uint32_t name; uint32_t timestamp; uint32_t current_version; uint32_t compatibility_version; }; struct dylib_command { uint32_t cmd; uint32_t cmdsize; struct dylib dylib; }; struct sub_framework_command { uint32_t cmd; uint32_t cmdsize; uint32_t umbrella; }; struct sub_client_command { uint32_t cmd; uint32_t cmdsize; uint32_t client; }; struct sub_umbrella_command { uint32_t cmd; uint32_t cmdsize; uint32_t sub_umbrella; }; struct sub_library_command { uint32_t cmd; uint32_t cmdsize; uint32_t sub_library; }; struct prebound_dylib_command { uint32_t cmd; uint32_t cmdsize; uint32_t name; uint32_t nmodules; uint32_t linked_modules; }; struct dylinker_command { uint32_t cmd; uint32_t cmdsize; uint32_t name; }; struct thread_command { uint32_t cmd; uint32_t cmdsize; }; struct routines_command { uint32_t cmd; uint32_t cmdsize; uint32_t init_address; uint32_t init_module; uint32_t reserved1; uint32_t reserved2; uint32_t reserved3; uint32_t reserved4; uint32_t reserved5; uint32_t reserved6; }; struct routines_command_64 { uint32_t cmd; uint32_t cmdsize; uint64_t init_address; uint64_t init_module; uint64_t reserved1; uint64_t reserved2; uint64_t reserved3; uint64_t reserved4; uint64_t reserved5; uint64_t reserved6; }; struct symtab_command { uint32_t cmd; uint32_t cmdsize; uint32_t symoff; uint32_t nsyms; uint32_t stroff; uint32_t strsize; }; struct dysymtab_command { uint32_t cmd; uint32_t cmdsize; uint32_t ilocalsym; uint32_t nlocalsym; uint32_t iextdefsym; uint32_t nextdefsym; uint32_t iundefsym; uint32_t nundefsym; uint32_t tocoff; uint32_t ntoc; uint32_t modtaboff; uint32_t nmodtab; uint32_t extrefsymoff; uint32_t nextrefsyms; uint32_t indirectsymoff; uint32_t nindirectsyms; uint32_t extreloff; uint32_t nextrel; uint32_t locreloff; uint32_t nlocrel; }; struct dylib_table_of_contents { uint32_t symbol_index; uint32_t module_index; }; struct dylib_module { uint32_t module_name; uint32_t iextdefsym; uint32_t nextdefsym; uint32_t irefsym; uint32_t nrefsym; uint32_t ilocalsym; uint32_t nlocalsym; uint32_t iextrel; uint32_t nextrel; uint32_t iinit_iterm; uint32_t ninit_nterm; uint32_t objc_module_info_addr; uint32_t objc_module_info_size; }; struct dylib_module_64 { uint32_t module_name; uint32_t iextdefsym; uint32_t nextdefsym; uint32_t irefsym; uint32_t nrefsym; uint32_t ilocalsym; uint32_t nlocalsym; uint32_t iextrel; uint32_t nextrel; uint32_t iinit_iterm; uint32_t ninit_nterm; uint32_t objc_module_info_size; uint64_t objc_module_info_addr; }; struct dylib_reference { uint32_t isym:24, flags:8; }; struct twolevel_hints_command { uint32_t cmd; uint32_t cmdsize; uint32_t offset; uint32_t nhints; }; struct twolevel_hint { uint32_t isub_image:8, itoc:24; }; struct prebind_cksum_command { uint32_t cmd; uint32_t cmdsize; uint32_t cksum; }; struct uuid_command { uint32_t cmd; uint32_t cmdsize; uint8_t uuid[16]; }; struct rpath_command { uint32_t cmd; uint32_t cmdsize; uint32_t path; }; struct linkedit_data_command { uint32_t cmd; uint32_t cmdsize; uint32_t dataoff; uint32_t datasize; }; struct data_in_code_entry { uint32_t offset; uint16_t length; uint16_t kind; }; struct source_version_command { uint32_t cmd; uint32_t cmdsize; uint64_t version; }; struct encryption_info_command { uint32_t cmd; uint32_t cmdsize; uint32_t cryptoff; uint32_t cryptsize; uint32_t cryptid; }; struct version_min_command { uint32_t cmd; uint32_t cmdsize; uint32_t version; uint32_t reserved; }; struct dyld_info_command { uint32_t cmd; uint32_t cmdsize; uint32_t rebase_off; uint32_t rebase_size; uint32_t bind_off; uint32_t bind_size; uint32_t weak_bind_off; uint32_t weak_bind_size; uint32_t lazy_bind_off; uint32_t lazy_bind_size; uint32_t export_off; uint32_t export_size; }; struct linker_options_command { uint32_t cmd; uint32_t cmdsize; uint32_t count; }; struct symseg_command { uint32_t cmd; uint32_t cmdsize; uint32_t offset; uint32_t size; }; struct ident_command { uint32_t cmd; uint32_t cmdsize; }; struct fvmfile_command { uint32_t cmd; uint32_t cmdsize; uint32_t name; uint32_t header_addr; }; struct tlv_descriptor_32 { uint32_t thunk; uint32_t key; uint32_t offset; }; struct tlv_descriptor_64 { uint64_t thunk; uint64_t key; uint64_t offset; }; struct tlv_descriptor { uintptr_t thunk; uintptr_t key; uintptr_t offset; }; struct entry_point_command { uint32_t cmd; uint32_t cmdsize; uint64_t entryoff; uint64_t stacksize; }; // Structs from struct fat_header { uint32_t magic; uint32_t nfat_arch; }; struct fat_arch { uint32_t cputype; uint32_t cpusubtype; uint32_t offset; uint32_t size; uint32_t align; }; // Structs from struct relocation_info { int32_t r_address; uint32_t r_symbolnum:24, r_pcrel:1, r_length:2, r_extern:1, r_type:4; }; struct scattered_relocation_info { #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && (BYTE_ORDER == BIG_ENDIAN) uint32_t r_scattered:1, r_pcrel:1, r_length:2, r_type:4, r_address:24; #else uint32_t r_address:24, r_type:4, r_length:2, r_pcrel:1, r_scattered:1; #endif int32_t r_value; }; // Structs NOT from , but that make LLVM's life easier struct any_relocation_info { uint32_t r_word0, r_word1; }; // Structs from struct nlist { uint32_t n_strx; uint8_t n_type; uint8_t n_sect; int16_t n_desc; uint32_t n_value; }; struct nlist_64 { uint32_t n_strx; uint8_t n_type; uint8_t n_sect; uint16_t n_desc; uint64_t n_value; }; // Get/Set functions from static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc) { return (((n_desc) >> 8u) & 0xffu); } static inline void SET_LIBRARY_ORDINAL(uint16_t &n_desc, uint8_t ordinal) { n_desc = (((n_desc) & 0x00ff) | (((ordinal) & 0xff) << 8)); } static inline uint8_t GET_COMM_ALIGN (uint16_t n_desc) { return (n_desc >> 8u) & 0x0fu; } static inline void SET_COMM_ALIGN (uint16_t &n_desc, uint8_t align) { n_desc = ((n_desc & 0xf0ffu) | ((align & 0x0fu) << 8u)); } // Enums from enum { // Capability bits used in the definition of cpu_type. CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits CPU_ARCH_ABI64 = 0x01000000 // 64 bit ABI }; // Constants for the cputype field. enum CPUType { CPU_TYPE_ANY = -1, CPU_TYPE_X86 = 7, CPU_TYPE_I386 = CPU_TYPE_X86, CPU_TYPE_X86_64 = CPU_TYPE_X86 | CPU_ARCH_ABI64, /* CPU_TYPE_MIPS = 8, */ CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC CPU_TYPE_ARM = 12, CPU_TYPE_SPARC = 14, CPU_TYPE_POWERPC = 18, CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64 }; enum { // Capability bits used in the definition of cpusubtype. CPU_SUB_TYPE_MASK = 0xff000000, // Mask for architecture bits CPU_SUB_TYPE_LIB64 = 0x80000000, // 64 bit libraries // Special CPU subtype constants. CPU_SUBTYPE_MULTIPLE = -1 }; // Constants for the cpusubtype field. enum CPUSubTypeX86 { CPU_SUBTYPE_I386_ALL = 3, CPU_SUBTYPE_386 = 3, CPU_SUBTYPE_486 = 4, CPU_SUBTYPE_486SX = 0x84, CPU_SUBTYPE_586 = 5, CPU_SUBTYPE_PENT = CPU_SUBTYPE_586, CPU_SUBTYPE_PENTPRO = 0x16, CPU_SUBTYPE_PENTII_M3 = 0x36, CPU_SUBTYPE_PENTII_M5 = 0x56, CPU_SUBTYPE_CELERON = 0x67, CPU_SUBTYPE_CELERON_MOBILE = 0x77, CPU_SUBTYPE_PENTIUM_3 = 0x08, CPU_SUBTYPE_PENTIUM_3_M = 0x18, CPU_SUBTYPE_PENTIUM_3_XEON = 0x28, CPU_SUBTYPE_PENTIUM_M = 0x09, CPU_SUBTYPE_PENTIUM_4 = 0x0a, CPU_SUBTYPE_PENTIUM_4_M = 0x1a, CPU_SUBTYPE_ITANIUM = 0x0b, CPU_SUBTYPE_ITANIUM_2 = 0x1b, CPU_SUBTYPE_XEON = 0x0c, CPU_SUBTYPE_XEON_MP = 0x1c, CPU_SUBTYPE_X86_ALL = 3, CPU_SUBTYPE_X86_64_ALL = 3, CPU_SUBTYPE_X86_ARCH1 = 4 }; static inline int CPU_SUBTYPE_INTEL(int Family, int Model) { return Family | (Model << 4); } static inline int CPU_SUBTYPE_INTEL_FAMILY(CPUSubTypeX86 ST) { return ((int)ST) & 0x0f; } static inline int CPU_SUBTYPE_INTEL_MODEL(CPUSubTypeX86 ST) { return ((int)ST) >> 4; } enum { CPU_SUBTYPE_INTEL_FAMILY_MAX = 15, CPU_SUBTYPE_INTEL_MODEL_ALL = 0 }; enum CPUSubTypeARM { CPU_SUBTYPE_ARM_ALL = 0, CPU_SUBTYPE_ARM_V4T = 5, CPU_SUBTYPE_ARM_V6 = 6, CPU_SUBTYPE_ARM_V5 = 7, CPU_SUBTYPE_ARM_V5TEJ = 7, CPU_SUBTYPE_ARM_XSCALE = 8, CPU_SUBTYPE_ARM_V7 = 9, CPU_SUBTYPE_ARM_V7F = 10, CPU_SUBTYPE_ARM_V7S = 11, CPU_SUBTYPE_ARM_V7K = 12, CPU_SUBTYPE_ARM_V6M = 14, CPU_SUBTYPE_ARM_V7M = 15, CPU_SUBTYPE_ARM_V7EM = 16 }; enum CPUSubTypeSPARC { CPU_SUBTYPE_SPARC_ALL = 0 }; enum CPUSubTypePowerPC { CPU_SUBTYPE_POWERPC_ALL = 0, CPU_SUBTYPE_POWERPC_601 = 1, CPU_SUBTYPE_POWERPC_602 = 2, CPU_SUBTYPE_POWERPC_603 = 3, CPU_SUBTYPE_POWERPC_603e = 4, CPU_SUBTYPE_POWERPC_603ev = 5, CPU_SUBTYPE_POWERPC_604 = 6, CPU_SUBTYPE_POWERPC_604e = 7, CPU_SUBTYPE_POWERPC_620 = 8, CPU_SUBTYPE_POWERPC_750 = 9, CPU_SUBTYPE_POWERPC_7400 = 10, CPU_SUBTYPE_POWERPC_7450 = 11, CPU_SUBTYPE_POWERPC_970 = 100, CPU_SUBTYPE_MC980000_ALL = CPU_SUBTYPE_POWERPC_ALL, CPU_SUBTYPE_MC98601 = CPU_SUBTYPE_POWERPC_601 }; } // end namespace MachO } // end namespace llvm #endif