namespace MachO {
// Enums from <mach-o/loader.h>
enum {
- // Constants for the "magic" field in llvm::MachO::mach_header and
+ // Constants for the "magic" field in llvm::MachO::mach_header and
// llvm::MachO::mach_header_64
HeaderMagic32 = 0xFEEDFACEu, // MH_MAGIC
HeaderMagic32Swapped = 0xCEFAEDFEu, // MH_CIGAM
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
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
+ LoadCommandMain = 0x80000028u, // LC_MAIN
+ LoadCommandDataInCode = 0x00000029u, // LC_DATA_IN_CODE
+ LoadCommandSourceVersion = 0x0000002Au, // LC_SOURCE_VERSION
+ LoadCommandCodeSignDRs = 0x0000002Bu, // LC_DYLIB_CODE_SIGN_DRS
+
// Constant bits for the "flags" field in llvm::MachO::segment_command
SegmentCommandFlagBitHighVM = 0x1u, // SG_HIGHVM
SegmentCommandFlagBitFixedVMLibrary = 0x2u, // SG_FVMLIB
RebaseTypePointer = 1u, // REBASE_TYPE_POINTER
RebaseTypeTextAbsolute32 = 2u, // REBASE_TYPE_TEXT_ABSOLUTE32
- RebaseTypeTextPCRelative32 = 3u, // REBASE_TYPE_TEXT_PCREL32
+ 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
+ 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
+ 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
+ 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
+ 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
+ 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
+ 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
+ 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
// Constant masks for the "n_type" field in llvm::MachO::nlist and
// llvm::MachO::nlist_64
NlistMaskStab = 0xe0, // N_STAB
- NlistMaskPrivateExternal = 0x10, // N_PEXT
+ NlistMaskPrivateExternal = 0x10, // N_PEXT
NlistMaskType = 0x0e, // N_TYPE
NlistMaskExternal = 0x01, // N_EXT
NListSectionNoSection = 0u, // NO_SECT
NListSectionMaxSection = 0xffu, // MAX_SECT
+ NListDescWeakRef = 0x40u,
+ NListDescWeakDef = 0x80u,
+
// 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
-
- };
-
+ 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 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 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;
};
// 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));
{
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));
// 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,
// Constants for the cpusubtype field.
-
+
// X86
CPUSubType_I386_ALL = 3,
CPUSubType_X86_64_ALL = 3,
-
+
// ARM
CPUSubType_ARM_ALL = 0,
CPUSubType_ARM_V4T = 5,
// PowerPC
CPUSubType_POWERPC_ALL = 0,
-
+
CPUSubType_SPARC_ALL = 0
};
} // end namespace MachO
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