//===-- 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"
// NOTE: The enums in this file are intentially named to be different than those
// in the headers in /usr/include/mach (on darwin systems) to avoid conflicts
// with those macros.
namespace llvm {
namespace MachO {
// Enums from <mach-o/loader.h>
enum {
// Constants for the "magic" field in llvm::MachO::mach_header and
// llvm::MachO::mach_header_64
HeaderMagic32 = 0xFEEDFACEu, // MH_MAGIC
HeaderMagic32Swapped = 0xCEFAEDFEu, // MH_CIGAM
HeaderMagic64 = 0xFEEDFACFu, // MH_MAGIC_64
HeaderMagic64Swapped = 0xCFFAEDFEu, // MH_CIGAM_64
UniversalMagic = 0xCAFEBABEu, // FAT_MAGIC
UniversalMagicSwapped = 0xBEBAFECAu, // FAT_CIGAM
// Constants for the "filetype" field in llvm::MachO::mach_header and
// llvm::MachO::mach_header_64
HeaderFileTypeObject = 0x1u, // MH_OBJECT
HeaderFileTypeExecutable = 0x2u, // MH_EXECUTE
HeaderFileTypeFixedVMShlib = 0x3u, // MH_FVMLIB
HeaderFileTypeCore = 0x4u, // MH_CORE
HeaderFileTypePreloadedExecutable = 0x5u, // MH_PRELOAD
HeaderFileTypeDynamicShlib = 0x6u, // MH_DYLIB
HeaderFileTypeDynamicLinkEditor = 0x7u, // MH_DYLINKER
HeaderFileTypeBundle = 0x8u, // MH_BUNDLE
HeaderFileTypeDynamicShlibStub = 0x9u, // MH_DYLIB_STUB
HeaderFileTypeDSYM = 0xAu, // MH_DSYM
HeaderFileTypeKextBundle = 0xBu, // MH_KEXT_BUNDLE
// Constant bits for the "flags" field in llvm::MachO::mach_header and
// llvm::MachO::mach_header_64
HeaderFlagBitNoUndefinedSymbols = 0x00000001u, // MH_NOUNDEFS
HeaderFlagBitIsIncrementalLinkObject= 0x00000002u, // MH_INCRLINK
HeaderFlagBitIsDynamicLinkObject = 0x00000004u, // MH_DYLDLINK
HeaderFlagBitBindAtLoad = 0x00000008u, // MH_BINDATLOAD
HeaderFlagBitPrebound = 0x00000010u, // MH_PREBOUND
HeaderFlagBitSplitSegments = 0x00000020u, // MH_SPLIT_SEGS
HeaderFlagBitLazyInit = 0x00000040u, // MH_LAZY_INIT
HeaderFlagBitTwoLevelNamespace = 0x00000080u, // MH_TWOLEVEL
HeaderFlagBitForceFlatNamespace = 0x00000100u, // MH_FORCE_FLAT
HeaderFlagBitNoMultipleDefintions = 0x00000200u, // MH_NOMULTIDEFS
HeaderFlagBitNoFixPrebinding = 0x00000400u, // MH_NOFIXPREBINDING
HeaderFlagBitPrebindable = 0x00000800u, // MH_PREBINDABLE
HeaderFlagBitAllModulesBound = 0x00001000u, // MH_ALLMODSBOUND
HeaderFlagBitSubsectionsViaSymbols = 0x00002000u, // MH_SUBSECTIONS_VIA_SYMBOLS
HeaderFlagBitCanonical = 0x00004000u, // MH_CANONICAL
HeaderFlagBitWeakDefines = 0x00008000u, // MH_WEAK_DEFINES
HeaderFlagBitBindsToWeak = 0x00010000u, // MH_BINDS_TO_WEAK
HeaderFlagBitAllowStackExecution = 0x00020000u, // MH_ALLOW_STACK_EXECUTION
HeaderFlagBitRootSafe = 0x00040000u, // MH_ROOT_SAFE
HeaderFlagBitSetUIDSafe = 0x00080000u, // MH_SETUID_SAFE
HeaderFlagBitNoReexportedDylibs = 0x00100000u, // MH_NO_REEXPORTED_DYLIBS
HeaderFlagBitPIE = 0x00200000u, // MH_PIE
HeaderFlagBitDeadStrippableDylib = 0x00400000u, // MH_DEAD_STRIPPABLE_DYLIB
// Constants for the "cmd" field in llvm::MachO::load_command
LoadCommandDynamicLinkerRequired = 0x80000000u, // LC_REQ_DYLD
LoadCommandSegment32 = 0x00000001u, // LC_SEGMENT
LoadCommandSymtab = 0x00000002u, // LC_SYMTAB
LoadCommandSymSeg = 0x00000003u, // LC_SYMSEG
LoadCommandThread = 0x00000004u, // LC_THREAD
LoadCommandUnixThread = 0x00000005u, // LC_UNIXTHREAD
LoadCommandFixedVMShlibLoad = 0x00000006u, // LC_LOADFVMLIB
LoadCommandFixedVMShlibIdent = 0x00000007u, // LC_IDFVMLIB
LoadCommandIdent = 0x00000008u, // LC_IDENT
LoadCommandFixedVMFileInclusion = 0x00000009u, // LC_FVMFILE
LoadCommandPrePage = 0x0000000Au, // LC_PREPAGE
LoadCommandDynamicSymtabInfo = 0x0000000Bu, // LC_DYSYMTAB
LoadCommandDylibLoad = 0x0000000Cu, // LC_LOAD_DYLIB
LoadCommandDylibIdent = 0x0000000Du, // LC_ID_DYLIB
LoadCommandDynamicLinkerLoad = 0x0000000Eu, // LC_LOAD_DYLINKER
LoadCommandDynamicLinkerIdent = 0x0000000Fu, // LC_ID_DYLINKER
LoadCommandDylibPrebound = 0x00000010u, // LC_PREBOUND_DYLIB
LoadCommandRoutines32 = 0x00000011u, // LC_ROUTINES
LoadCommandSubFramework = 0x00000012u, // LC_SUB_FRAMEWORK
LoadCommandSubUmbrella = 0x00000013u, // LC_SUB_UMBRELLA
LoadCommandSubClient = 0x00000014u, // LC_SUB_CLIENT
LoadCommandSubLibrary = 0x00000015u, // LC_SUB_LIBRARY
LoadCommandTwoLevelHints = 0x00000016u, // LC_TWOLEVEL_HINTS
LoadCommandPreBindChecksum = 0x00000017u, // LC_PREBIND_CKSUM
LoadCommandDylibLoadWeak = 0x80000018u, // LC_LOAD_WEAK_DYLIB
LoadCommandSegment64 = 0x00000019u, // LC_SEGMENT_64
LoadCommandRoutines64 = 0x0000001Au, // LC_ROUTINES_64
LoadCommandUUID = 0x0000001Bu, // LC_UUID
LoadCommandRunpath = 0x8000001Cu, // LC_RPATH
LoadCommandCodeSignature = 0x0000001Du, // LC_CODE_SIGNATURE
LoadCommandSegmentSplitInfo = 0x0000001Eu, // LC_SEGMENT_SPLIT_INFO
LoadCommandDylibReexport = 0x8000001Fu, // LC_REEXPORT_DYLIB
LoadCommandDylibLazyLoad = 0x00000020u, // LC_LAZY_LOAD_DYLIB
LoadCommandEncryptionInfo = 0x00000021u, // LC_ENCRYPTION_INFO
LoadCommandDynamicLinkerInfo = 0x00000022u, // LC_DYLD_INFO
LoadCommandDynamicLinkerInfoOnly = 0x80000022u, // LC_DYLD_INFO_ONLY
LoadCommandDylibLoadUpward = 0x80000023u, // LC_LOAD_UPWARD_DYLIB
LoadCommandVersionMinMacOSX = 0x00000024u, // LC_VERSION_MIN_MACOSX
LoadCommandVersionMinIPhoneOS = 0x00000025u, // LC_VERSION_MIN_IPHONEOS
LoadCommandFunctionStarts = 0x00000026u, // LC_FUNCTION_STARTS
LoadCommandDyldEnvironment = 0x00000027u, // LC_DYLD_ENVIRONMENT
// Constant bits for the "flags" field in llvm::MachO::segment_command
SegmentCommandFlagBitHighVM = 0x1u, // SG_HIGHVM
SegmentCommandFlagBitFixedVMLibrary = 0x2u, // SG_FVMLIB
SegmentCommandFlagBitNoRelocations = 0x4u, // SG_NORELOC
SegmentCommandFlagBitProtectedVersion1 = 0x8u, // SG_PROTECTED_VERSION_1
// Constant masks for the "flags" field in llvm::MachO::section and
// llvm::MachO::section_64
SectionFlagMaskSectionType = 0x000000ffu, // SECTION_TYPE
SectionFlagMaskAllAttributes = 0xffffff00u, // SECTION_ATTRIBUTES
SectionFlagMaskUserAttributes = 0xff000000u, // SECTION_ATTRIBUTES_USR
SectionFlagMaskSystemAttributes = 0x00ffff00u, // SECTION_ATTRIBUTES_SYS
// Constant masks for the "flags[7:0]" field in llvm::MachO::section and
// llvm::MachO::section_64 (mask "flags" with SECTION_TYPE)
SectionTypeRegular = 0x00u, // S_REGULAR
SectionTypeZeroFill = 0x01u, // S_ZEROFILL
SectionTypeCStringLiterals = 0x02u, // S_CSTRING_LITERALS
SectionType4ByteLiterals = 0x03u, // S_4BYTE_LITERALS
SectionType8ByteLiterals = 0x04u, // S_8BYTE_LITERALS
SectionTypeLiteralPointers = 0x05u, // S_LITERAL_POINTERS
SectionTypeNonLazySymbolPointers = 0x06u, // S_NON_LAZY_SYMBOL_POINTERS
SectionTypeLazySymbolPointers = 0x07u, // S_LAZY_SYMBOL_POINTERS
SectionTypeSymbolStubs = 0x08u, // S_SYMBOL_STUBS
SectionTypeModuleInitFunctionPointers = 0x09u, // S_MOD_INIT_FUNC_POINTERS
SectionTypeModuleTermFunctionPointers = 0x0au, // S_MOD_TERM_FUNC_POINTERS
SectionTypeCoalesced = 0x0bu, // S_COALESCED
SectionTypeZeroFillLarge = 0x0cu, // S_GB_ZEROFILL
SectionTypeInterposing = 0x0du, // S_INTERPOSING
SectionType16ByteLiterals = 0x0eu, // S_16BYTE_LITERALS
SectionTypeDTraceObjectFormat = 0x0fu, // S_DTRACE_DOF
SectionTypeLazyDylibSymbolPointers = 0x10u, // S_LAZY_DYLIB_SYMBOL_POINTERS
// Constant masks for the "flags[31:24]" field in llvm::MachO::section and
// llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR)
SectionAttrUserPureInstructions = 0x80000000u, // S_ATTR_PURE_INSTRUCTIONS
SectionAttrUserNoTableOfContents = 0x40000000u, // S_ATTR_NO_TOC
SectionAttrUserCanStripStaticSymbols = 0x20000000u, // S_ATTR_STRIP_STATIC_SYMS
SectionAttrUserNoDeadStrip = 0x10000000u, // S_ATTR_NO_DEAD_STRIP
SectionAttrUserLiveSupport = 0x08000000u, // S_ATTR_LIVE_SUPPORT
SectionAttrUserSelfModifyingCode = 0x04000000u, // S_ATTR_SELF_MODIFYING_CODE
SectionAttrUserDebug = 0x02000000u, // S_ATTR_DEBUG
// Constant masks for the "flags[23:8]" field in llvm::MachO::section and
// llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS)
SectionAttrSytemSomeInstructions = 0x00000400u, // S_ATTR_SOME_INSTRUCTIONS
SectionAttrSytemHasExternalRelocations= 0x00000200u, // S_ATTR_EXT_RELOC
SectionAttrSytemHasLocalRelocations = 0x00000100u, // S_ATTR_LOC_RELOC
IndirectSymbolLocal = 0x80000000u, // INDIRECT_SYMBOL_LOCAL
IndirectSymbolAbsolute = 0x40000000u, // INDIRECT_SYMBOL_ABS
RebaseTypePointer = 1u, // REBASE_TYPE_POINTER
RebaseTypeTextAbsolute32 = 2u, // REBASE_TYPE_TEXT_ABSOLUTE32
RebaseTypeTextPCRelative32 = 3u, // REBASE_TYPE_TEXT_PCREL32
RebaseOpcodeMask = 0xF0u, // REBASE_OPCODE_MASK
RebaseImmediateMask = 0x0Fu, // REBASE_IMMEDIATE_MASK
RebaseOpcodeDone = 0x00u, // REBASE_OPCODE_DONE
RebaseOpcodeSetTypeImmediate = 0x10u, // REBASE_OPCODE_SET_TYPE_IMM
RebaseOpcodeSetSegmentAndOffsetULEB = 0x20u, // REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB
RebaseOpcodeAddAddressULEB = 0x30u, // REBASE_OPCODE_ADD_ADDR_ULEB
RebaseOpcodeAddAddressImmediateScaled = 0x40u, // REBASE_OPCODE_ADD_ADDR_IMM_SCALED
RebaseOpcodeDoRebaseImmediateTimes = 0x50u, // REBASE_OPCODE_DO_REBASE_IMM_TIMES
RebaseOpcodeDoRebaseULEBTimes = 0x60u, // REBASE_OPCODE_DO_REBASE_ULEB_TIMES
RebaseOpcodeDoRebaseAddAddressULEB = 0x70u, // REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB
RebaseOpcodeDoRebaseULEBTimesSkippingULEB = 0x80u, // REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB
BindTypePointer = 1u, // BIND_TYPE_POINTER
BindTypeTextAbsolute32 = 2u, // BIND_TYPE_TEXT_ABSOLUTE32
BindTypeTextPCRelative32 = 3u, // BIND_TYPE_TEXT_PCREL32
BindSpecialDylibSelf = 0u, // BIND_SPECIAL_DYLIB_SELF
BindSpecialDylibMainExecutable = -1u, // BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE
BindSpecialDylibFlatLookup = -2u, // BIND_SPECIAL_DYLIB_FLAT_LOOKUP
BindSymbolFlagsWeakImport = 0x1u, // BIND_SYMBOL_FLAGS_WEAK_IMPORT
BindSymbolFlagsNonWeakDefinition = 0x8u, // BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION
BindOpcodeMask = 0xF0u, // BIND_OPCODE_MASK
BindImmediateMask = 0x0Fu, // BIND_IMMEDIATE_MASK
BindOpcodeDone = 0x00u, // BIND_OPCODE_DONE
BindOpcodeSetDylibOrdinalImmediate = 0x10u, // BIND_OPCODE_SET_DYLIB_ORDINAL_IMM
BindOpcodeSetDylibOrdinalULEB = 0x20u, // BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB
BindOpcodeSetDylibSpecialImmediate = 0x30u, // BIND_OPCODE_SET_DYLIB_SPECIAL_IMM
BindOpcodeSetSymbolTrailingFlagsImmediate = 0x40u, // BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM
BindOpcodeSetTypeImmediate = 0x50u, // BIND_OPCODE_SET_TYPE_IMM
BindOpcodeSetAppendSLEB = 0x60u, // BIND_OPCODE_SET_ADDEND_SLEB
BindOpcodeSetSegmentAndOffsetULEB = 0x70u, // BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB
BindOpcodeAddAddressULEB = 0x80u, // BIND_OPCODE_ADD_ADDR_ULEB
BindOpcodeDoBind = 0x90u, // BIND_OPCODE_DO_BIND
BindOpcodeDoBindAddAddressULEB = 0xA0u, // BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB
BindOpcodeDoBindAddAddressImmediateScaled = 0xB0u, // BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED
BindOpcodeDoBindULEBTimesSkippingULEB = 0xC0u, // BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB
ExportSymbolFlagsKindMask = 0x03u, // EXPORT_SYMBOL_FLAGS_KIND_MASK
ExportSymbolFlagsKindRegular = 0x00u, // EXPORT_SYMBOL_FLAGS_KIND_REGULAR
ExportSymbolFlagsKindThreadLocal = 0x01u, // EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL
ExportSymbolFlagsWeakDefinition = 0x04u, // EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION
ExportSymbolFlagsIndirectDefinition = 0x08u, // EXPORT_SYMBOL_FLAGS_INDIRECT_DEFINITION
ExportSymbolFlagsHasSpecializations = 0x10u, // EXPORT_SYMBOL_FLAGS_HAS_SPECIALIZATIONS
// Constant masks for the "n_type" field in llvm::MachO::nlist and
// llvm::MachO::nlist_64
NlistMaskStab = 0xe0, // N_STAB
NlistMaskPrivateExternal = 0x10, // N_PEXT
NlistMaskType = 0x0e, // N_TYPE
NlistMaskExternal = 0x01, // N_EXT
// Constants for the "n_type & N_TYPE" llvm::MachO::nlist and
// llvm::MachO::nlist_64
NListTypeUndefined = 0x0u, // N_UNDF
NListTypeAbsolute = 0x2u, // N_ABS
NListTypeSection = 0xeu, // N_SECT
NListTypePreboundUndefined = 0xcu, // N_PBUD
NListTypeIndirect = 0xau, // N_INDR
// Constant masks for the "n_sect" field in llvm::MachO::nlist and
// llvm::MachO::nlist_64
NListSectionNoSection = 0u, // NO_SECT
NListSectionMaxSection = 0xffu, // MAX_SECT
// Constant values for the "n_type" field in llvm::MachO::nlist and
// llvm::MachO::nlist_64 when "(n_type & NlistMaskStab) != 0"
StabGlobalSymbol = 0x20u, // N_GSYM
StabFunctionName = 0x22u, // N_FNAME
StabFunction = 0x24u, // N_FUN
StabStaticSymbol = 0x26u, // N_STSYM
StabLocalCommon = 0x28u, // N_LCSYM
StabBeginSymbol = 0x2Eu, // N_BNSYM
StabSourceFileOptions = 0x3Cu, // N_OPT
StabRegisterSymbol = 0x40u, // N_RSYM
StabSourceLine = 0x44u, // N_SLINE
StabEndSymbol = 0x4Eu, // N_ENSYM
StabStructureType = 0x60u, // N_SSYM
StabSourceFileName = 0x64u, // N_SO
StabObjectFileName = 0x66u, // N_OSO
StabLocalSymbol = 0x80u, // N_LSYM
StabBeginIncludeFileName = 0x82u, // N_BINCL
StabIncludeFileName = 0x84u, // N_SOL
StabCompilerParameters = 0x86u, // N_PARAMS
StabCompilerVersion = 0x88u, // N_VERSION
StabCompilerOptLevel = 0x8Au, // N_OLEVEL
StabParameter = 0xA0u, // N_PSYM
StabEndIncludeFile = 0xA2u, // N_EINCL
StabAlternateEntry = 0xA4u, // N_ENTRY
StabLeftBracket = 0xC0u, // N_LBRAC
StabDeletedIncludeFile = 0xC2u, // N_EXCL
StabRightBracket = 0xE0u, // N_RBRAC
StabBeginCommon = 0xE2u, // N_BCOMM
StabEndCommon = 0xE4u, // N_ECOMM
StabEndCommonLocal = 0xE8u, // N_ECOML
StabLength = 0xFEu // N_LENG
};
// Structs from <mach-o/loader.h>
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 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 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;
};
// Structs from <mach-o/fat.h>
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 <mach-o/fat.h>
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 <mach-o/nlist.h>
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 <mach/machine.h>
enum {
// Capability bits used in the definition of cpu_type.
CPUArchMask = 0xff000000, // Mask for architecture bits
CPUArchABI64 = 0x01000000, // 64 bit ABI
// Constants for the cputype field.
CPUTypeI386 = 7,
CPUTypeX86_64 = CPUTypeI386 | CPUArchABI64,
CPUTypeARM = 12,
CPUTypeSPARC = 14,
CPUTypePowerPC = 18,
CPUTypePowerPC64 = CPUTypePowerPC | CPUArchABI64,
// Constants for the cpusubtype field.
// X86
CPUSubType_I386_ALL = 3,
CPUSubType_X86_64_ALL = 3,
// ARM
CPUSubType_ARM_ALL = 0,
CPUSubType_ARM_V4T = 5,
CPUSubType_ARM_V5 = 7,
CPUSubType_ARM_V6 = 6,
CPUSubType_ARM_V7 = 9,
// PowerPC
CPUSubType_POWERPC_ALL = 0,
CPUSubType_SPARC_ALL = 0
};
} // end namespace MachO
} // end namespace llvm
#endif