#ifndef LLVM_SUPPORT_MACHO_H
#define LLVM_SUPPORT_MACHO_H
+#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/Host.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 {
+ enum : uint32_t {
// 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
+ 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
- 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
+ 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
- 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
+ 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,
+ MH_HAS_TLV_DESCRIPTORS = 0x00800000u,
+ MH_NO_HEAP_EXECUTION = 0x01000000u,
+ MH_APP_EXTENSION_SAFE = 0x02000000u
+ };
+
+ enum : uint32_t {
+ // Flags for the "cmd" field in llvm::MachO::load_command
+ LC_REQ_DYLD = 0x80000000u
+ };
+ enum LoadCommandType : uint32_t {
// 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
+ 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,
+ LC_ENCRYPTION_INFO_64 = 0x0000002Cu,
+ LC_LINKER_OPTION = 0x0000002Du,
+ LC_LINKER_OPTIMIZATION_HINT = 0x0000002Eu
+ };
+ enum : uint32_t {
// 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
+ 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
- SectionFlagMaskSectionType = 0x000000ffu, // SECTION_TYPE
- SectionFlagMaskAllAttributes = 0xffffff00u, // SECTION_ATTRIBUTES
- SectionFlagMaskUserAttributes = 0xff000000u, // SECTION_ATTRIBUTES_USR
- SectionFlagMaskSystemAttributes = 0x00ffff00u, // SECTION_ATTRIBUTES_SYS
+ SECTION_TYPE = 0x000000ffu, // SECTION_TYPE
+ SECTION_ATTRIBUTES = 0xffffff00u, // SECTION_ATTRIBUTES
+ SECTION_ATTRIBUTES_USR = 0xff000000u, // SECTION_ATTRIBUTES_USR
+ SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS
+ };
+ /// These are the section type and attributes fields. A MachO section can
+ /// have only one Type, but can have any of the attributes specified.
+ enum SectionType : uint32_t {
// 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
+ /// S_REGULAR - Regular section.
+ S_REGULAR = 0x00u,
+ /// S_ZEROFILL - Zero fill on demand section.
+ S_ZEROFILL = 0x01u,
+ /// S_CSTRING_LITERALS - Section with literal C strings.
+ S_CSTRING_LITERALS = 0x02u,
+ /// S_4BYTE_LITERALS - Section with 4 byte literals.
+ S_4BYTE_LITERALS = 0x03u,
+ /// S_8BYTE_LITERALS - Section with 8 byte literals.
+ S_8BYTE_LITERALS = 0x04u,
+ /// S_LITERAL_POINTERS - Section with pointers to literals.
+ S_LITERAL_POINTERS = 0x05u,
+ /// S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers.
+ S_NON_LAZY_SYMBOL_POINTERS = 0x06u,
+ /// S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers.
+ S_LAZY_SYMBOL_POINTERS = 0x07u,
+ /// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in
+ /// the Reserved2 field.
+ S_SYMBOL_STUBS = 0x08u,
+ /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for
+ /// initialization.
+ S_MOD_INIT_FUNC_POINTERS = 0x09u,
+ /// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for
+ /// termination.
+ S_MOD_TERM_FUNC_POINTERS = 0x0au,
+ /// S_COALESCED - Section contains symbols that are to be coalesced.
+ S_COALESCED = 0x0bu,
+ /// S_GB_ZEROFILL - Zero fill on demand section (that can be larger than 4
+ /// gigabytes).
+ S_GB_ZEROFILL = 0x0cu,
+ /// S_INTERPOSING - Section with only pairs of function pointers for
+ /// interposing.
+ S_INTERPOSING = 0x0du,
+ /// S_16BYTE_LITERALS - Section with only 16 byte literals.
+ S_16BYTE_LITERALS = 0x0eu,
+ /// S_DTRACE_DOF - Section contains DTrace Object Format.
+ S_DTRACE_DOF = 0x0fu,
+ /// S_LAZY_DYLIB_SYMBOL_POINTERS - Section with lazy symbol pointers to
+ /// lazy loaded dylibs.
+ S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u,
+ /// S_THREAD_LOCAL_REGULAR - Thread local data section.
+ S_THREAD_LOCAL_REGULAR = 0x11u,
+ /// S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section.
+ S_THREAD_LOCAL_ZEROFILL = 0x12u,
+ /// S_THREAD_LOCAL_VARIABLES - Section with thread local variable
+ /// structure data.
+ S_THREAD_LOCAL_VARIABLES = 0x13u,
+ /// S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread
+ /// local structures.
+ S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u,
+ /// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local
+ /// variable initialization pointers to functions.
+ S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u,
+
+ LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
+ };
+
+ enum : uint32_t {
// 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
+
+ /// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine
+ /// instructions.
+ S_ATTR_PURE_INSTRUCTIONS = 0x80000000u,
+ /// S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be
+ /// in a ranlib table of contents.
+ S_ATTR_NO_TOC = 0x40000000u,
+ /// S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section
+ /// in files with the MY_DYLDLINK flag.
+ S_ATTR_STRIP_STATIC_SYMS = 0x20000000u,
+ /// S_ATTR_NO_DEAD_STRIP - No dead stripping.
+ S_ATTR_NO_DEAD_STRIP = 0x10000000u,
+ /// S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks.
+ S_ATTR_LIVE_SUPPORT = 0x08000000u,
+ /// S_ATTR_SELF_MODIFYING_CODE - Used with i386 code stubs written on by
+ /// dyld.
+ S_ATTR_SELF_MODIFYING_CODE = 0x04000000u,
+ /// S_ATTR_DEBUG - A debug section.
+ 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)
- 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
+ /// S_ATTR_SOME_INSTRUCTIONS - Section contains some machine instructions.
+ S_ATTR_SOME_INSTRUCTIONS = 0x00000400u,
+ /// S_ATTR_EXT_RELOC - Section has external relocation entries.
+ S_ATTR_EXT_RELOC = 0x00000200u,
+ /// S_ATTR_LOC_RELOC - Section has local relocation entries.
+ 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 = 0,
+ BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1,
+ BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2
+ };
+
+ 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_REEXPORT = 0x08u,
+ EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u
+ };
+
+ enum ExportSymbolKind {
+ EXPORT_SYMBOL_FLAGS_KIND_REGULAR = 0x00u,
+ EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL = 0x01u,
+ EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE = 0x02u
+ };
+
+
+ enum {
// 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
+ 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
- NListTypeUndefined = 0x0u, // N_UNDF
- NListTypeAbsolute = 0x2u, // N_ABS
- NListTypeSection = 0xeu, // N_SECT
- NListTypePreboundUndefined = 0xcu, // N_PBUD
- NListTypeIndirect = 0xau, // N_INDR
+ N_UNDF = 0x0u,
+ N_ABS = 0x2u,
+ N_SECT = 0xeu,
+ N_PBUD = 0xcu,
+ N_INDR = 0xau
+ };
- // Constant masks for the "n_sect" field in llvm::MachO::nlist and
+ 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
- NListSectionNoSection = 0u, // NO_SECT
- NListSectionMaxSection = 0xffu, // MAX_SECT
+ // The low 3 bits are the for the REFERENCE_TYPE.
+ REFERENCE_TYPE = 0x7,
+ REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0,
+ REFERENCE_FLAG_UNDEFINED_LAZY = 1,
+ REFERENCE_FLAG_DEFINED = 2,
+ REFERENCE_FLAG_PRIVATE_DEFINED = 3,
+ REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4,
+ REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5,
+ // Flag bits (some overlap with the library ordinal bits).
+ N_ARM_THUMB_DEF = 0x0008u,
+ REFERENCED_DYNAMICALLY = 0x0010u,
+ N_NO_DEAD_STRIP = 0x0020u,
+ N_WEAK_REF = 0x0040u,
+ N_WEAK_DEF = 0x0080u,
+ N_SYMBOL_RESOLVER = 0x0100u,
+ N_ALT_ENTRY = 0x0200u,
+ // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL()
+ // as these are in the top 8 bits.
+ SELF_LIBRARY_ORDINAL = 0x0,
+ MAX_LIBRARY_ORDINAL = 0xfd,
+ DYNAMIC_LOOKUP_ORDINAL = 0xfe,
+ EXECUTABLE_ORDINAL = 0xff
+ };
+ enum StabType {
// 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
+ // llvm::MachO::nlist_64 when "(n_type & N_STAB) != 0"
+ N_GSYM = 0x20u,
+ N_FNAME = 0x22u,
+ N_FUN = 0x24u,
+ N_STSYM = 0x26u,
+ N_LCSYM = 0x28u,
+ N_BNSYM = 0x2Eu,
+ N_PC = 0x30u,
+ N_AST = 0x32u,
+ 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 : uint32_t {
+ // 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 ARM64 architecture
+ // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
+ // structure.
+
+ // For pointers.
+ ARM64_RELOC_UNSIGNED = 0,
+ // Must be followed by an ARM64_RELOC_UNSIGNED
+ ARM64_RELOC_SUBTRACTOR = 1,
+ // A B/BL instruction with 26-bit displacement.
+ ARM64_RELOC_BRANCH26 = 2,
+ // PC-rel distance to page of target.
+ ARM64_RELOC_PAGE21 = 3,
+ // Offset within page, scaled by r_length.
+ ARM64_RELOC_PAGEOFF12 = 4,
+ // PC-rel distance to page of GOT slot.
+ ARM64_RELOC_GOT_LOAD_PAGE21 = 5,
+ // Offset within page of GOT slot, scaled by r_length.
+ ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6,
+ // For pointers to GOT slots.
+ ARM64_RELOC_POINTER_TO_GOT = 7,
+ // PC-rel distance to page of TLVP slot.
+ ARM64_RELOC_TLVP_LOAD_PAGE21 = 8,
+ // Offset within page of TLVP slot, scaled by r_length.
+ ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9,
+ // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12.
+ ARM64_RELOC_ADDEND = 10,
+
+
+ // 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 <mach/vm_prot.h>
+ enum {
+ VM_PROT_READ = 0x1,
+ VM_PROT_WRITE = 0x2,
+ VM_PROT_EXECUTE = 0x4
};
+
// Structs from <mach-o/loader.h>
struct mach_header {
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 ninit_nterm;
uint32_t objc_module_info_addr;
uint32_t objc_module_info_size;
- };
+ };
struct dylib_module_64 {
uint32_t module_name;
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 cryptid;
};
+ struct encryption_info_command_64 {
+ uint32_t cmd;
+ uint32_t cmdsize;
+ uint32_t cryptoff;
+ uint32_t cryptsize;
+ uint32_t cryptid;
+ uint32_t pad;
+ };
+
+ struct version_min_command {
+ uint32_t cmd; // LC_VERSION_MIN_MACOSX or
+ // LC_VERSION_MIN_IPHONEOS
+ uint32_t cmdsize; // sizeof(struct version_min_command)
+ uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz
+ uint32_t sdk; // X.Y.Z is encoded in nibbles xxxx.yy.zz
+ };
+
struct dyld_info_command {
uint32_t cmd;
uint32_t cmdsize;
uint32_t export_size;
};
+ struct linker_option_command {
+ uint32_t cmd;
+ uint32_t cmdsize;
+ uint32_t count;
+ };
+
struct symseg_command {
uint32_t cmd;
uint32_t cmdsize;
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 <mach-o/fat.h>
struct fat_header {
uint32_t align;
};
- // Structs from <mach-o/fat.h>
+ // Structs from <mach-o/reloc.h>
+ 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 <mach-o/reloc.h>, but that make LLVM's life easier
+ struct any_relocation_info {
+ uint32_t r_word0, r_word1;
+ };
+
+ // Structs from <mach-o/nlist.h>
+ struct nlist_base {
+ uint32_t n_strx;
+ uint8_t n_type;
+ uint8_t n_sect;
+ uint16_t n_desc;
+ };
+
struct nlist {
uint32_t n_strx;
uint8_t n_type;
uint64_t n_value;
};
+
+ // Byte order swapping functions for MachO structs
+
+ inline void swapStruct(mach_header &mh) {
+ sys::swapByteOrder(mh.magic);
+ sys::swapByteOrder(mh.cputype);
+ sys::swapByteOrder(mh.cpusubtype);
+ sys::swapByteOrder(mh.filetype);
+ sys::swapByteOrder(mh.ncmds);
+ sys::swapByteOrder(mh.sizeofcmds);
+ sys::swapByteOrder(mh.flags);
+ }
+
+ inline void swapStruct(mach_header_64 &H) {
+ sys::swapByteOrder(H.magic);
+ sys::swapByteOrder(H.cputype);
+ sys::swapByteOrder(H.cpusubtype);
+ sys::swapByteOrder(H.filetype);
+ sys::swapByteOrder(H.ncmds);
+ sys::swapByteOrder(H.sizeofcmds);
+ sys::swapByteOrder(H.flags);
+ sys::swapByteOrder(H.reserved);
+ }
+
+ inline void swapStruct(load_command &lc) {
+ sys::swapByteOrder(lc.cmd);
+ sys::swapByteOrder(lc.cmdsize);
+ }
+
+ inline void swapStruct(symtab_command &lc) {
+ sys::swapByteOrder(lc.cmd);
+ sys::swapByteOrder(lc.cmdsize);
+ sys::swapByteOrder(lc.symoff);
+ sys::swapByteOrder(lc.nsyms);
+ sys::swapByteOrder(lc.stroff);
+ sys::swapByteOrder(lc.strsize);
+ }
+
+ inline void swapStruct(segment_command_64 &seg) {
+ sys::swapByteOrder(seg.cmd);
+ sys::swapByteOrder(seg.cmdsize);
+ sys::swapByteOrder(seg.vmaddr);
+ sys::swapByteOrder(seg.vmsize);
+ sys::swapByteOrder(seg.fileoff);
+ sys::swapByteOrder(seg.filesize);
+ sys::swapByteOrder(seg.maxprot);
+ sys::swapByteOrder(seg.initprot);
+ sys::swapByteOrder(seg.nsects);
+ sys::swapByteOrder(seg.flags);
+ }
+
+ inline void swapStruct(segment_command &seg) {
+ sys::swapByteOrder(seg.cmd);
+ sys::swapByteOrder(seg.cmdsize);
+ sys::swapByteOrder(seg.vmaddr);
+ sys::swapByteOrder(seg.vmsize);
+ sys::swapByteOrder(seg.fileoff);
+ sys::swapByteOrder(seg.filesize);
+ sys::swapByteOrder(seg.maxprot);
+ sys::swapByteOrder(seg.initprot);
+ sys::swapByteOrder(seg.nsects);
+ sys::swapByteOrder(seg.flags);
+ }
+
+ inline void swapStruct(section_64 §) {
+ sys::swapByteOrder(sect.addr);
+ sys::swapByteOrder(sect.size);
+ sys::swapByteOrder(sect.offset);
+ sys::swapByteOrder(sect.align);
+ sys::swapByteOrder(sect.reloff);
+ sys::swapByteOrder(sect.nreloc);
+ sys::swapByteOrder(sect.flags);
+ sys::swapByteOrder(sect.reserved1);
+ sys::swapByteOrder(sect.reserved2);
+ }
+
+ inline void swapStruct(section §) {
+ sys::swapByteOrder(sect.addr);
+ sys::swapByteOrder(sect.size);
+ sys::swapByteOrder(sect.offset);
+ sys::swapByteOrder(sect.align);
+ sys::swapByteOrder(sect.reloff);
+ sys::swapByteOrder(sect.nreloc);
+ sys::swapByteOrder(sect.flags);
+ sys::swapByteOrder(sect.reserved1);
+ sys::swapByteOrder(sect.reserved2);
+ }
+
+ inline void swapStruct(dyld_info_command &info) {
+ sys::swapByteOrder(info.cmd);
+ sys::swapByteOrder(info.cmdsize);
+ sys::swapByteOrder(info.rebase_off);
+ sys::swapByteOrder(info.rebase_size);
+ sys::swapByteOrder(info.bind_off);
+ sys::swapByteOrder(info.bind_size);
+ sys::swapByteOrder(info.weak_bind_off);
+ sys::swapByteOrder(info.weak_bind_size);
+ sys::swapByteOrder(info.lazy_bind_off);
+ sys::swapByteOrder(info.lazy_bind_size);
+ sys::swapByteOrder(info.export_off);
+ sys::swapByteOrder(info.export_size);
+ }
+
+ inline void swapStruct(dylib_command &d) {
+ sys::swapByteOrder(d.cmd);
+ sys::swapByteOrder(d.cmdsize);
+ sys::swapByteOrder(d.dylib.name);
+ sys::swapByteOrder(d.dylib.timestamp);
+ sys::swapByteOrder(d.dylib.current_version);
+ sys::swapByteOrder(d.dylib.compatibility_version);
+ }
+
+ inline void swapStruct(sub_framework_command &s) {
+ sys::swapByteOrder(s.cmd);
+ sys::swapByteOrder(s.cmdsize);
+ sys::swapByteOrder(s.umbrella);
+ }
+
+ inline void swapStruct(sub_umbrella_command &s) {
+ sys::swapByteOrder(s.cmd);
+ sys::swapByteOrder(s.cmdsize);
+ sys::swapByteOrder(s.sub_umbrella);
+ }
+
+ inline void swapStruct(sub_library_command &s) {
+ sys::swapByteOrder(s.cmd);
+ sys::swapByteOrder(s.cmdsize);
+ sys::swapByteOrder(s.sub_library);
+ }
+
+ inline void swapStruct(sub_client_command &s) {
+ sys::swapByteOrder(s.cmd);
+ sys::swapByteOrder(s.cmdsize);
+ sys::swapByteOrder(s.client);
+ }
+
+ inline void swapStruct(dylinker_command &d) {
+ sys::swapByteOrder(d.cmd);
+ sys::swapByteOrder(d.cmdsize);
+ sys::swapByteOrder(d.name);
+ }
+
+ inline void swapStruct(uuid_command &u) {
+ sys::swapByteOrder(u.cmd);
+ sys::swapByteOrder(u.cmdsize);
+ }
+
+ inline void swapStruct(rpath_command &r) {
+ sys::swapByteOrder(r.cmd);
+ sys::swapByteOrder(r.cmdsize);
+ sys::swapByteOrder(r.path);
+ }
+
+ inline void swapStruct(source_version_command &s) {
+ sys::swapByteOrder(s.cmd);
+ sys::swapByteOrder(s.cmdsize);
+ sys::swapByteOrder(s.version);
+ }
+
+ inline void swapStruct(entry_point_command &e) {
+ sys::swapByteOrder(e.cmd);
+ sys::swapByteOrder(e.cmdsize);
+ sys::swapByteOrder(e.entryoff);
+ sys::swapByteOrder(e.stacksize);
+ }
+
+ inline void swapStruct(encryption_info_command &e) {
+ sys::swapByteOrder(e.cmd);
+ sys::swapByteOrder(e.cmdsize);
+ sys::swapByteOrder(e.cryptoff);
+ sys::swapByteOrder(e.cryptsize);
+ sys::swapByteOrder(e.cryptid);
+ }
+
+ inline void swapStruct(encryption_info_command_64 &e) {
+ sys::swapByteOrder(e.cmd);
+ sys::swapByteOrder(e.cmdsize);
+ sys::swapByteOrder(e.cryptoff);
+ sys::swapByteOrder(e.cryptsize);
+ sys::swapByteOrder(e.cryptid);
+ sys::swapByteOrder(e.pad);
+ }
+
+ inline void swapStruct(dysymtab_command &dst) {
+ sys::swapByteOrder(dst.cmd);
+ sys::swapByteOrder(dst.cmdsize);
+ sys::swapByteOrder(dst.ilocalsym);
+ sys::swapByteOrder(dst.nlocalsym);
+ sys::swapByteOrder(dst.iextdefsym);
+ sys::swapByteOrder(dst.nextdefsym);
+ sys::swapByteOrder(dst.iundefsym);
+ sys::swapByteOrder(dst.nundefsym);
+ sys::swapByteOrder(dst.tocoff);
+ sys::swapByteOrder(dst.ntoc);
+ sys::swapByteOrder(dst.modtaboff);
+ sys::swapByteOrder(dst.nmodtab);
+ sys::swapByteOrder(dst.extrefsymoff);
+ sys::swapByteOrder(dst.nextrefsyms);
+ sys::swapByteOrder(dst.indirectsymoff);
+ sys::swapByteOrder(dst.nindirectsyms);
+ sys::swapByteOrder(dst.extreloff);
+ sys::swapByteOrder(dst.nextrel);
+ sys::swapByteOrder(dst.locreloff);
+ sys::swapByteOrder(dst.nlocrel);
+ }
+
+ inline void swapStruct(any_relocation_info &reloc) {
+ sys::swapByteOrder(reloc.r_word0);
+ sys::swapByteOrder(reloc.r_word1);
+ }
+
+ inline void swapStruct(nlist_base &S) {
+ sys::swapByteOrder(S.n_strx);
+ sys::swapByteOrder(S.n_desc);
+ }
+
+ inline void swapStruct(nlist &sym) {
+ sys::swapByteOrder(sym.n_strx);
+ sys::swapByteOrder(sym.n_desc);
+ sys::swapByteOrder(sym.n_value);
+ }
+
+ inline void swapStruct(nlist_64 &sym) {
+ sys::swapByteOrder(sym.n_strx);
+ sys::swapByteOrder(sym.n_desc);
+ sys::swapByteOrder(sym.n_value);
+ }
+
+ inline void swapStruct(linkedit_data_command &C) {
+ sys::swapByteOrder(C.cmd);
+ sys::swapByteOrder(C.cmdsize);
+ sys::swapByteOrder(C.dataoff);
+ sys::swapByteOrder(C.datasize);
+ }
+
+ inline void swapStruct(linker_option_command &C) {
+ sys::swapByteOrder(C.cmd);
+ sys::swapByteOrder(C.cmdsize);
+ sys::swapByteOrder(C.count);
+ }
+
+ inline void swapStruct(version_min_command&C) {
+ sys::swapByteOrder(C.cmd);
+ sys::swapByteOrder(C.cmdsize);
+ sys::swapByteOrder(C.version);
+ sys::swapByteOrder(C.sdk);
+ }
+
+ inline void swapStruct(data_in_code_entry &C) {
+ sys::swapByteOrder(C.offset);
+ sys::swapByteOrder(C.length);
+ sys::swapByteOrder(C.kind);
+ }
+
+ inline void swapStruct(uint32_t &C) {
+ sys::swapByteOrder(C);
+ }
+
// Get/Set functions from <mach-o/nlist.h>
- static inline uint16_t GET_LIBRARY_ORDINAL(uint16_t n_desc)
- {
+ 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)
- {
+ 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)
- {
+ 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)
- {
+ 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 {
+ enum : uint32_t {
// Capability bits used in the definition of cpu_type.
- CPUArchMask = 0xff000000, // Mask for architecture bits
- CPUArchABI64 = 0x01000000, // 64 bit ABI
+ 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_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64,
+ CPU_TYPE_SPARC = 14,
+ CPU_TYPE_POWERPC = 18,
+ CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64
+ };
- // Constants for the cputype field.
- CPUTypeI386 = 7,
- CPUTypeX86_64 = CPUTypeI386 | CPUArchABI64,
- CPUTypeARM = 12,
- CPUTypeSPARC = 14,
- CPUTypePowerPC = 18,
- CPUTypePowerPC64 = CPUTypePowerPC | CPUArchABI64,
+ enum : uint32_t {
+ // Capability bits used in the definition of cpusubtype.
+ CPU_SUBTYPE_MASK = 0xff000000, // Mask for architecture bits
+ CPU_SUBTYPE_LIB64 = 0x80000000, // 64 bit libraries
+ // Special CPU subtype constants.
+ CPU_SUBTYPE_MULTIPLE = ~0u
+ };
- // Constants for the cpusubtype field.
+ // 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,
+ CPU_SUBTYPE_X86_64_H = 8
+ };
+ 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
+ };
- // X86
- CPUSubType_I386_ALL = 3,
- CPUSubType_X86_64_ALL = 3,
+ 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,
+ // unused 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
+ };
- // ARM
- CPUSubType_ARM_ALL = 0,
- CPUSubType_ARM_V4T = 5,
- CPUSubType_ARM_V5 = 7,
- CPUSubType_ARM_V6 = 6,
- CPUSubType_ARM_V7 = 9,
+ enum CPUSubTypeARM64 {
+ CPU_SUBTYPE_ARM64_ALL = 0
+ };
- // PowerPC
- CPUSubType_POWERPC_ALL = 0,
+ enum CPUSubTypeSPARC {
+ CPU_SUBTYPE_SPARC_ALL = 0
+ };
- CPUSubType_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
projects / oota-llvm.git / blobdiff