const ObjectFile *OwningObject;
public:
- DiceRef() : OwningObject(NULL) { }
+ DiceRef() : OwningObject(nullptr) { }
DiceRef(DataRefImpl DiceP, const ObjectFile *Owner);
void moveNext();
- error_code getOffset(uint32_t &Result) const;
- error_code getLength(uint16_t &Result) const;
- error_code getKind(uint16_t &Result) const;
+ std::error_code getOffset(uint32_t &Result) const;
+ std::error_code getLength(uint16_t &Result) const;
+ std::error_code getKind(uint16_t &Result) const;
DataRefImpl getRawDataRefImpl() const;
const ObjectFile *getObjectFile() const;
};
typedef content_iterator<DiceRef> dice_iterator;
+/// ExportEntry encapsulates the current-state-of-the-walk used when doing a
+/// non-recursive walk of the trie data structure. This allows you to iterate
+/// across all exported symbols using:
+/// for (const llvm::object::ExportEntry &AnExport : Obj->exports()) {
+/// }
+class ExportEntry {
+public:
+ ExportEntry(ArrayRef<uint8_t> Trie);
+
+ StringRef name() const;
+ uint64_t flags() const;
+ uint64_t address() const;
+ uint64_t other() const;
+ StringRef otherName() const;
+ uint32_t nodeOffset() const;
+
+ bool operator==(const ExportEntry &) const;
+
+ void moveNext();
+
+private:
+ friend class MachOObjectFile;
+ void moveToFirst();
+ void moveToEnd();
+ uint64_t readULEB128(const uint8_t *&p);
+ void pushDownUntilBottom();
+ void pushNode(uint64_t Offset);
+
+ // Represents a node in the mach-o exports trie.
+ struct NodeState {
+ NodeState(const uint8_t *Ptr);
+ const uint8_t *Start;
+ const uint8_t *Current;
+ uint64_t Flags;
+ uint64_t Address;
+ uint64_t Other;
+ const char *ImportName;
+ unsigned ChildCount;
+ unsigned NextChildIndex;
+ unsigned ParentStringLength;
+ bool IsExportNode;
+ };
+
+ ArrayRef<uint8_t> Trie;
+ SmallString<256> CumulativeString;
+ SmallVector<NodeState, 16> Stack;
+ bool Malformed;
+ bool Done;
+};
+typedef content_iterator<ExportEntry> export_iterator;
+
+/// MachORebaseEntry encapsulates the current state in the decompression of
+/// rebasing opcodes. This allows you to iterate through the compressed table of
+/// rebasing using:
+/// for (const llvm::object::MachORebaseEntry &Entry : Obj->rebaseTable()) {
+/// }
+class MachORebaseEntry {
+public:
+ MachORebaseEntry(ArrayRef<uint8_t> opcodes, bool is64Bit);
+
+ uint32_t segmentIndex() const;
+ uint64_t segmentOffset() const;
+ StringRef typeName() const;
+
+ bool operator==(const MachORebaseEntry &) const;
+
+ void moveNext();
+
+private:
+ friend class MachOObjectFile;
+ void moveToFirst();
+ void moveToEnd();
+ uint64_t readULEB128();
+
+ ArrayRef<uint8_t> Opcodes;
+ const uint8_t *Ptr;
+ uint64_t SegmentOffset;
+ uint32_t SegmentIndex;
+ uint64_t RemainingLoopCount;
+ uint64_t AdvanceAmount;
+ uint8_t RebaseType;
+ uint8_t PointerSize;
+ bool Malformed;
+ bool Done;
+};
+typedef content_iterator<MachORebaseEntry> rebase_iterator;
+
+/// MachOBindEntry encapsulates the current state in the decompression of
+/// binding opcodes. This allows you to iterate through the compressed table of
+/// bindings using:
+/// for (const llvm::object::MachOBindEntry &Entry : Obj->bindTable()) {
+/// }
+class MachOBindEntry {
+public:
+ enum class Kind { Regular, Lazy, Weak };
+
+ MachOBindEntry(ArrayRef<uint8_t> Opcodes, bool is64Bit, MachOBindEntry::Kind);
+
+ uint32_t segmentIndex() const;
+ uint64_t segmentOffset() const;
+ StringRef typeName() const;
+ StringRef symbolName() const;
+ uint32_t flags() const;
+ int64_t addend() const;
+ int ordinal() const;
+
+ bool operator==(const MachOBindEntry &) const;
+
+ void moveNext();
+
+private:
+ friend class MachOObjectFile;
+ void moveToFirst();
+ void moveToEnd();
+ uint64_t readULEB128();
+ int64_t readSLEB128();
+
+ ArrayRef<uint8_t> Opcodes;
+ const uint8_t *Ptr;
+ uint64_t SegmentOffset;
+ uint32_t SegmentIndex;
+ StringRef SymbolName;
+ int Ordinal;
+ uint32_t Flags;
+ int64_t Addend;
+ uint64_t RemainingLoopCount;
+ uint64_t AdvanceAmount;
+ uint8_t BindType;
+ uint8_t PointerSize;
+ Kind TableKind;
+ bool Malformed;
+ bool Done;
+};
+typedef content_iterator<MachOBindEntry> bind_iterator;
+
class MachOObjectFile : public ObjectFile {
public:
struct LoadCommandInfo {
const char *Ptr; // Where in memory the load command is.
MachO::load_command C; // The command itself.
};
-
- MachOObjectFile(MemoryBuffer *Object, bool IsLittleEndian, bool Is64Bits,
- error_code &EC, bool BufferOwned = true);
-
- void moveSymbolNext(DataRefImpl &Symb) const LLVM_OVERRIDE;
- error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolAlignment(DataRefImpl Symb, uint32_t &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const LLVM_OVERRIDE;
- error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolSection(DataRefImpl Symb, section_iterator &Res) const
- LLVM_OVERRIDE;
- error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const
- LLVM_OVERRIDE;
-
- void moveSectionNext(DataRefImpl &Sec) const LLVM_OVERRIDE;
- error_code getSectionName(DataRefImpl Sec, StringRef &Res) const
- LLVM_OVERRIDE;
- error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const LLVM_OVERRIDE;
- error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const
- LLVM_OVERRIDE;
- error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code isSectionText(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionData(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionBSS(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionRequiredForExecution(DataRefImpl Sec, bool &Res) const
- LLVM_OVERRIDE;
- error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const LLVM_OVERRIDE;
- error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const
- LLVM_OVERRIDE;
- error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
- bool &Result) const LLVM_OVERRIDE;
- relocation_iterator section_rel_begin(DataRefImpl Sec) const LLVM_OVERRIDE;
- relocation_iterator section_rel_end(DataRefImpl Sec) const LLVM_OVERRIDE;
-
- void moveRelocationNext(DataRefImpl &Rel) const LLVM_OVERRIDE;
- error_code getRelocationAddress(DataRefImpl Rel, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const
- LLVM_OVERRIDE;
- symbol_iterator getRelocationSymbol(DataRefImpl Rel) const LLVM_OVERRIDE;
- error_code getRelocationType(DataRefImpl Rel, uint64_t &Res) const
- LLVM_OVERRIDE;
- error_code getRelocationTypeName(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const
- LLVM_OVERRIDE;
- error_code getRelocationValueString(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const
- LLVM_OVERRIDE;
- error_code getRelocationHidden(DataRefImpl Rel, bool &Result) const
- LLVM_OVERRIDE;
-
- error_code getLibraryNext(DataRefImpl LibData, LibraryRef &Res) const
- LLVM_OVERRIDE;
- error_code getLibraryPath(DataRefImpl LibData, StringRef &Res) const
- LLVM_OVERRIDE;
+ typedef SmallVector<LoadCommandInfo, 4> LoadCommandList;
+ typedef LoadCommandList::const_iterator load_command_iterator;
+
+ MachOObjectFile(MemoryBufferRef Object, bool IsLittleEndian, bool Is64Bits,
+ std::error_code &EC);
+
+ void moveSymbolNext(DataRefImpl &Symb) const override;
+
+ uint64_t getNValue(DataRefImpl Sym) const;
+ std::error_code getSymbolName(DataRefImpl Symb,
+ StringRef &Res) const override;
+
+ // MachO specific.
+ std::error_code getIndirectName(DataRefImpl Symb, StringRef &Res) const;
+ unsigned getSectionType(SectionRef Sec) const;
+
+ std::error_code getSymbolAddress(DataRefImpl Symb,
+ uint64_t &Res) const override;
+ uint64_t getSymbolValue(DataRefImpl Symb) const override;
+ uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
+ uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override;
+ std::error_code getSymbolType(DataRefImpl Symb,
+ SymbolRef::Type &Res) const override;
+ uint32_t getSymbolFlags(DataRefImpl Symb) const override;
+ std::error_code getSymbolSection(DataRefImpl Symb,
+ section_iterator &Res) const override;
+
+ void moveSectionNext(DataRefImpl &Sec) const override;
+ std::error_code getSectionName(DataRefImpl Sec,
+ StringRef &Res) const override;
+ uint64_t getSectionAddress(DataRefImpl Sec) const override;
+ uint64_t getSectionSize(DataRefImpl Sec) const override;
+ std::error_code getSectionContents(DataRefImpl Sec,
+ StringRef &Res) const override;
+ uint64_t getSectionAlignment(DataRefImpl Sec) const override;
+ bool isSectionText(DataRefImpl Sec) const override;
+ bool isSectionData(DataRefImpl Sec) const override;
+ bool isSectionBSS(DataRefImpl Sec) const override;
+ bool isSectionVirtual(DataRefImpl Sec) const override;
+ bool sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb) const override;
+ relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
+ relocation_iterator section_rel_end(DataRefImpl Sec) const override;
+
+ void moveRelocationNext(DataRefImpl &Rel) const override;
+ std::error_code getRelocationAddress(DataRefImpl Rel,
+ uint64_t &Res) const override;
+ std::error_code getRelocationOffset(DataRefImpl Rel,
+ uint64_t &Res) const override;
+ symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
+ section_iterator getRelocationSection(DataRefImpl Rel) const;
+ std::error_code getRelocationType(DataRefImpl Rel,
+ uint64_t &Res) const override;
+ std::error_code
+ getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
+ std::error_code getRelocationHidden(DataRefImpl Rel,
+ bool &Result) const override;
+ uint8_t getRelocationLength(DataRefImpl Rel) const;
+
+ // MachO specific.
+ std::error_code getLibraryShortNameByIndex(unsigned Index, StringRef &) const;
// TODO: Would be useful to have an iterator based version
// of the load command interface too.
- symbol_iterator begin_symbols() const LLVM_OVERRIDE;
- symbol_iterator end_symbols() const LLVM_OVERRIDE;
-
- section_iterator begin_sections() const LLVM_OVERRIDE;
- section_iterator end_sections() const LLVM_OVERRIDE;
+ basic_symbol_iterator symbol_begin_impl() const override;
+ basic_symbol_iterator symbol_end_impl() const override;
- library_iterator begin_libraries_needed() const LLVM_OVERRIDE;
- library_iterator end_libraries_needed() const LLVM_OVERRIDE;
+ // MachO specific.
+ basic_symbol_iterator getSymbolByIndex(unsigned Index) const;
- uint8_t getBytesInAddress() const LLVM_OVERRIDE;
+ section_iterator section_begin() const override;
+ section_iterator section_end() const override;
- StringRef getFileFormatName() const LLVM_OVERRIDE;
- unsigned getArch() const LLVM_OVERRIDE;
+ uint8_t getBytesInAddress() const override;
- StringRef getLoadName() const LLVM_OVERRIDE;
+ StringRef getFileFormatName() const override;
+ unsigned getArch() const override;
+ Triple getArch(const char **McpuDefault, Triple *ThumbTriple) const;
relocation_iterator section_rel_begin(unsigned Index) const;
relocation_iterator section_rel_end(unsigned Index) const;
dice_iterator begin_dices() const;
dice_iterator end_dices() const;
+ load_command_iterator begin_load_commands() const;
+ load_command_iterator end_load_commands() const;
+ iterator_range<load_command_iterator> load_commands() const;
+
+ /// For use iterating over all exported symbols.
+ iterator_range<export_iterator> exports() const;
+
+ /// For use examining a trie not in a MachOObjectFile.
+ static iterator_range<export_iterator> exports(ArrayRef<uint8_t> Trie);
+
+ /// For use iterating over all rebase table entries.
+ iterator_range<rebase_iterator> rebaseTable() const;
+
+ /// For use examining rebase opcodes not in a MachOObjectFile.
+ static iterator_range<rebase_iterator> rebaseTable(ArrayRef<uint8_t> Opcodes,
+ bool is64);
+
+ /// For use iterating over all bind table entries.
+ iterator_range<bind_iterator> bindTable() const;
+
+ /// For use iterating over all lazy bind table entries.
+ iterator_range<bind_iterator> lazyBindTable() const;
+
+ /// For use iterating over all lazy bind table entries.
+ iterator_range<bind_iterator> weakBindTable() const;
+
+ /// For use examining bind opcodes not in a MachOObjectFile.
+ static iterator_range<bind_iterator> bindTable(ArrayRef<uint8_t> Opcodes,
+ bool is64,
+ MachOBindEntry::Kind);
+
+
// In a MachO file, sections have a segment name. This is used in the .o
// files. They have a single segment, but this field specifies which segment
// a section should be put in in the final object.
const MachO::any_relocation_info &RE) const;
uint32_t getScatteredRelocationValue(
const MachO::any_relocation_info &RE) const;
+ uint32_t getScatteredRelocationType(
+ const MachO::any_relocation_info &RE) const;
unsigned getAnyRelocationAddress(const MachO::any_relocation_info &RE) const;
unsigned getAnyRelocationPCRel(const MachO::any_relocation_info &RE) const;
unsigned getAnyRelocationLength(const MachO::any_relocation_info &RE) const;
unsigned getAnyRelocationType(const MachO::any_relocation_info &RE) const;
- SectionRef getRelocationSection(const MachO::any_relocation_info &RE) const;
-
- // Walk load commands.
- LoadCommandInfo getFirstLoadCommandInfo() const;
- LoadCommandInfo getNextLoadCommandInfo(const LoadCommandInfo &L) const;
+ SectionRef getAnyRelocationSection(const MachO::any_relocation_info &RE) const;
// MachO specific structures.
MachO::section getSection(DataRefImpl DRI) const;
getSegmentLoadCommand(const LoadCommandInfo &L) const;
MachO::segment_command_64
getSegment64LoadCommand(const LoadCommandInfo &L) const;
- MachO::linker_options_command
- getLinkerOptionsLoadCommand(const LoadCommandInfo &L) const;
+ MachO::linker_option_command
+ getLinkerOptionLoadCommand(const LoadCommandInfo &L) const;
+ MachO::version_min_command
+ getVersionMinLoadCommand(const LoadCommandInfo &L) const;
+ MachO::dylib_command
+ getDylibIDLoadCommand(const LoadCommandInfo &L) const;
+ MachO::dyld_info_command
+ getDyldInfoLoadCommand(const LoadCommandInfo &L) const;
+ MachO::dylinker_command
+ getDylinkerCommand(const LoadCommandInfo &L) const;
+ MachO::uuid_command
+ getUuidCommand(const LoadCommandInfo &L) const;
+ MachO::rpath_command
+ getRpathCommand(const LoadCommandInfo &L) const;
+ MachO::source_version_command
+ getSourceVersionCommand(const LoadCommandInfo &L) const;
+ MachO::entry_point_command
+ getEntryPointCommand(const LoadCommandInfo &L) const;
+ MachO::encryption_info_command
+ getEncryptionInfoCommand(const LoadCommandInfo &L) const;
+ MachO::encryption_info_command_64
+ getEncryptionInfoCommand64(const LoadCommandInfo &L) const;
+ MachO::sub_framework_command
+ getSubFrameworkCommand(const LoadCommandInfo &L) const;
+ MachO::sub_umbrella_command
+ getSubUmbrellaCommand(const LoadCommandInfo &L) const;
+ MachO::sub_library_command
+ getSubLibraryCommand(const LoadCommandInfo &L) const;
+ MachO::sub_client_command
+ getSubClientCommand(const LoadCommandInfo &L) const;
+ MachO::routines_command
+ getRoutinesCommand(const LoadCommandInfo &L) const;
+ MachO::routines_command_64
+ getRoutinesCommand64(const LoadCommandInfo &L) const;
+ MachO::thread_command
+ getThreadCommand(const LoadCommandInfo &L) const;
MachO::any_relocation_info getRelocation(DataRefImpl Rel) const;
MachO::data_in_code_entry getDice(DataRefImpl Rel) const;
- MachO::mach_header getHeader() const;
- MachO::mach_header_64 getHeader64() const;
+ const MachO::mach_header &getHeader() const;
+ const MachO::mach_header_64 &getHeader64() const;
uint32_t
getIndirectSymbolTableEntry(const MachO::dysymtab_command &DLC,
unsigned Index) const;
MachO::symtab_command getSymtabLoadCommand() const;
MachO::dysymtab_command getDysymtabLoadCommand() const;
MachO::linkedit_data_command getDataInCodeLoadCommand() const;
+ MachO::linkedit_data_command getLinkOptHintsLoadCommand() const;
+ ArrayRef<uint8_t> getDyldInfoRebaseOpcodes() const;
+ ArrayRef<uint8_t> getDyldInfoBindOpcodes() const;
+ ArrayRef<uint8_t> getDyldInfoWeakBindOpcodes() const;
+ ArrayRef<uint8_t> getDyldInfoLazyBindOpcodes() const;
+ ArrayRef<uint8_t> getDyldInfoExportsTrie() const;
+ ArrayRef<uint8_t> getUuid() const;
StringRef getStringTableData() const;
bool is64Bit() const;
void ReadULEB128s(uint64_t Index, SmallVectorImpl<uint64_t> &Out) const;
+ static StringRef guessLibraryShortName(StringRef Name, bool &isFramework,
+ StringRef &Suffix);
+
static Triple::ArchType getArch(uint32_t CPUType);
+ static Triple getArch(uint32_t CPUType, uint32_t CPUSubType,
+ const char **McpuDefault = nullptr);
+ static Triple getThumbArch(uint32_t CPUType, uint32_t CPUSubType,
+ const char **McpuDefault = nullptr);
+ static Triple getArch(uint32_t CPUType, uint32_t CPUSubType,
+ const char **McpuDefault, Triple *ThumbTriple);
+ static bool isValidArch(StringRef ArchFlag);
+ static Triple getHostArch();
+
+ bool isRelocatableObject() const override;
+
+ bool hasPageZeroSegment() const { return HasPageZeroSegment; }
static bool classof(const Binary *v) {
return v->isMachO();
}
private:
+ union {
+ MachO::mach_header_64 Header64;
+ MachO::mach_header Header;
+ };
typedef SmallVector<const char*, 1> SectionList;
SectionList Sections;
+ typedef SmallVector<const char*, 1> LibraryList;
+ LibraryList Libraries;
+ LoadCommandList LoadCommands;
+ typedef SmallVector<StringRef, 1> LibraryShortName;
+ mutable LibraryShortName LibrariesShortNames;
const char *SymtabLoadCmd;
const char *DysymtabLoadCmd;
const char *DataInCodeLoadCmd;
+ const char *LinkOptHintsLoadCmd;
+ const char *DyldInfoLoadCmd;
+ const char *UuidLoadCmd;
+ bool HasPageZeroSegment;
};
/// DiceRef
// the OwningObject ObjectFile is a MachOObjectFile a static_cast<> is used for
// the methods that get the values of the fields of the reference.
-inline error_code DiceRef::getOffset(uint32_t &Result) const {
+inline std::error_code DiceRef::getOffset(uint32_t &Result) const {
const MachOObjectFile *MachOOF =
static_cast<const MachOObjectFile *>(OwningObject);
MachO::data_in_code_entry Dice = MachOOF->getDice(DicePimpl);
Result = Dice.offset;
- return object_error::success;
+ return std::error_code();
}
-inline error_code DiceRef::getLength(uint16_t &Result) const {
+inline std::error_code DiceRef::getLength(uint16_t &Result) const {
const MachOObjectFile *MachOOF =
static_cast<const MachOObjectFile *>(OwningObject);
MachO::data_in_code_entry Dice = MachOOF->getDice(DicePimpl);
Result = Dice.length;
- return object_error::success;
+ return std::error_code();
}
-inline error_code DiceRef::getKind(uint16_t &Result) const {
+inline std::error_code DiceRef::getKind(uint16_t &Result) const {
const MachOObjectFile *MachOOF =
static_cast<const MachOObjectFile *>(OwningObject);
MachO::data_in_code_entry Dice = MachOOF->getDice(DicePimpl);
Result = Dice.kind;
- return object_error::success;
+ return std::error_code();
}
inline DataRefImpl DiceRef::getRawDataRefImpl() const {
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