//
//===----------------------------------------------------------------------===//
//
-// This file declares the MachOObjectFile class, which binds the MachOObject
-// class to the generic ObjectFile wrapper.
+// This file declares the MachOObjectFile class, which implement the ObjectFile
+// interface for MachO files.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/Object/MachOObject.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/Object/ObjectFile.h"
-#include "llvm/Support/Endian.h"
#include "llvm/Support/MachO.h"
-#include "llvm/Support/raw_ostream.h"
namespace llvm {
namespace object {
-namespace MachOFormat {
- template<bool is64Bits>
- struct Section;
-
- template<>
- struct Section<false> {
- char Name[16];
- char SegmentName[16];
- support::ulittle32_t Address;
- support::ulittle32_t Size;
- support::ulittle32_t Offset;
- support::ulittle32_t Align;
- support::ulittle32_t RelocationTableOffset;
- support::ulittle32_t NumRelocationTableEntries;
- support::ulittle32_t Flags;
- support::ulittle32_t Reserved1;
- support::ulittle32_t Reserved2;
- };
+/// DiceRef - This is a value type class that represents a single
+/// data in code entry in the table in a Mach-O object file.
+class DiceRef {
+ DataRefImpl DicePimpl;
+ const ObjectFile *OwningObject;
- template<>
- struct Section<true> {
- char Name[16];
- char SegmentName[16];
- support::ulittle64_t Address;
- support::ulittle64_t Size;
- support::ulittle32_t Offset;
- support::ulittle32_t Align;
- support::ulittle32_t RelocationTableOffset;
- support::ulittle32_t NumRelocationTableEntries;
- support::ulittle32_t Flags;
- support::ulittle32_t Reserved1;
- support::ulittle32_t Reserved2;
- support::ulittle32_t Reserved3;
- };
+public:
+ DiceRef() : OwningObject(nullptr) { }
- struct RelocationEntry {
- support::ulittle32_t Word0;
- support::ulittle32_t Word1;
- };
+ DiceRef(DataRefImpl DiceP, const ObjectFile *Owner);
- template<bool is64Bits>
- struct SymbolTableEntry;
+ bool operator==(const DiceRef &Other) const;
+ bool operator<(const DiceRef &Other) const;
- template<>
- struct SymbolTableEntry<false> {
- support::ulittle32_t StringIndex;
- uint8_t Type;
- uint8_t SectionIndex;
- support::ulittle16_t Flags;
- support::ulittle32_t Value;
- };
+ void moveNext();
- template<>
- struct SymbolTableEntry<true> {
- support::ulittle32_t StringIndex;
- uint8_t Type;
- uint8_t SectionIndex;
- support::ulittle16_t Flags;
- support::ulittle64_t Value;
- };
+ std::error_code getOffset(uint32_t &Result) const;
+ std::error_code getLength(uint16_t &Result) const;
+ std::error_code getKind(uint16_t &Result) const;
- struct LoadCommand {
- support::ulittle32_t Type;
- support::ulittle32_t Size;
- };
+ 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);
- struct SymtabLoadCommand {
- support::ulittle32_t Type;
- support::ulittle32_t Size;
- support::ulittle32_t SymbolTableOffset;
- support::ulittle32_t NumSymbolTableEntries;
- support::ulittle32_t StringTableOffset;
- support::ulittle32_t StringTableSize;
- };
+ StringRef name() const;
+ uint64_t flags() const;
+ uint64_t address() const;
+ uint64_t other() const;
+ StringRef otherName() const;
+ uint32_t nodeOffset() const;
- template<bool is64Bits>
- struct SegmentLoadCommand;
-
- template<>
- struct SegmentLoadCommand<false> {
- support::ulittle32_t Type;
- support::ulittle32_t Size;
- char Name[16];
- support::ulittle32_t VMAddress;
- support::ulittle32_t VMSize;
- support::ulittle32_t FileOffset;
- support::ulittle32_t FileSize;
- support::ulittle32_t MaxVMProtection;
- support::ulittle32_t InitialVMProtection;
- support::ulittle32_t NumSections;
- support::ulittle32_t Flags;
- };
+ bool operator==(const ExportEntry &) const;
- template<>
- struct SegmentLoadCommand<true> {
- support::ulittle32_t Type;
- support::ulittle32_t Size;
- char Name[16];
- support::ulittle64_t VMAddress;
- support::ulittle64_t VMSize;
- support::ulittle64_t FileOffset;
- support::ulittle64_t FileSize;
- support::ulittle32_t MaxVMProtection;
- support::ulittle32_t InitialVMProtection;
- support::ulittle32_t NumSections;
- support::ulittle32_t Flags;
- };
+ void moveNext();
- struct LinkeditDataLoadCommand {
- support::ulittle32_t Type;
- support::ulittle32_t Size;
- support::ulittle32_t DataOffset;
- support::ulittle32_t DataSize;
+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;
};
- struct Header {
- support::ulittle32_t Magic;
- support::ulittle32_t CPUType;
- support::ulittle32_t CPUSubtype;
- support::ulittle32_t FileType;
- support::ulittle32_t NumLoadCommands;
- support::ulittle32_t SizeOfLoadCommands;
- support::ulittle32_t Flags;
- };
-}
+ 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:
- MachOObjectFile(MemoryBuffer *Object, bool Is64bits, error_code &ec);
-
- virtual symbol_iterator begin_symbols() const;
- virtual symbol_iterator end_symbols() const;
- virtual symbol_iterator begin_dynamic_symbols() const;
- virtual symbol_iterator end_dynamic_symbols() const;
- virtual library_iterator begin_libraries_needed() const;
- virtual library_iterator end_libraries_needed() const;
- virtual section_iterator begin_sections() const;
- virtual section_iterator end_sections() const;
-
- virtual uint8_t getBytesInAddress() const;
- virtual StringRef getFileFormatName() const;
- virtual unsigned getArch() const;
- virtual StringRef getLoadName() const;
+ struct LoadCommandInfo {
+ const char *Ptr; // Where in memory the load command is.
+ MachO::load_command C; // The command itself.
+ };
+
+ MachOObjectFile(MemoryBufferRef Object, bool IsLittleEndian, bool Is64Bits,
+ std::error_code &EC);
+
+ void moveSymbolNext(DataRefImpl &Symb) const override;
+ 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;
+ uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
+ uint64_t getSymbolSize(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 override;
+ 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
+ getRelocationValueString(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.
+
+ basic_symbol_iterator symbol_begin_impl() const override;
+ basic_symbol_iterator symbol_end_impl() const override;
+
+ // MachO specific.
+ basic_symbol_iterator getSymbolByIndex(unsigned Index) const;
+
+ section_iterator section_begin() const override;
+ section_iterator section_end() const override;
+
+ uint8_t getBytesInAddress() const 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;
+
+ /// 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
// Names are stored as 16 bytes. These returns the raw 16 bytes without
// interpreting them as a C string.
ArrayRef<char> getSectionRawName(DataRefImpl Sec) const;
- ArrayRef<char>getSectionRawFinalSegmentName(DataRefImpl Sec) const;
-
- const MachOFormat::Section<true> *getSection64(DataRefImpl DRI) const;
- const MachOFormat::Section<false> *getSection(DataRefImpl DRI) const;
- const MachOFormat::SymbolTableEntry<true> *
- getSymbol64TableEntry(DataRefImpl DRI) const;
- const MachOFormat::SymbolTableEntry<false> *
- getSymbolTableEntry(DataRefImpl DRI) const;
+ ArrayRef<char> getSectionRawFinalSegmentName(DataRefImpl Sec) const;
+
+ // MachO specific Info about relocations.
+ bool isRelocationScattered(const MachO::any_relocation_info &RE) const;
+ unsigned getPlainRelocationSymbolNum(
+ const MachO::any_relocation_info &RE) const;
+ bool getPlainRelocationExternal(const MachO::any_relocation_info &RE) const;
+ bool getScatteredRelocationScattered(
+ 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 getAnyRelocationSection(const MachO::any_relocation_info &RE) const;
+
+ // Walk load commands.
+ LoadCommandInfo getFirstLoadCommandInfo() const;
+ LoadCommandInfo getNextLoadCommandInfo(const LoadCommandInfo &L) const;
+
+ // MachO specific structures.
+ MachO::section getSection(DataRefImpl DRI) const;
+ MachO::section_64 getSection64(DataRefImpl DRI) const;
+ MachO::section getSection(const LoadCommandInfo &L, unsigned Index) const;
+ MachO::section_64 getSection64(const LoadCommandInfo &L,unsigned Index) const;
+ MachO::nlist getSymbolTableEntry(DataRefImpl DRI) const;
+ MachO::nlist_64 getSymbol64TableEntry(DataRefImpl DRI) const;
+
+ MachO::linkedit_data_command
+ getLinkeditDataLoadCommand(const LoadCommandInfo &L) const;
+ MachO::segment_command
+ getSegmentLoadCommand(const LoadCommandInfo &L) const;
+ MachO::segment_command_64
+ getSegment64LoadCommand(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;
+ uint32_t
+ getIndirectSymbolTableEntry(const MachO::dysymtab_command &DLC,
+ unsigned Index) const;
+ MachO::data_in_code_entry getDataInCodeTableEntry(uint32_t DataOffset,
+ 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;
- const MachOFormat::LoadCommand *getLoadCommandInfo(unsigned Index) const;
void ReadULEB128s(uint64_t Index, SmallVectorImpl<uint64_t> &Out) const;
- const MachOFormat::Header *getHeader() const;
- unsigned getHeaderSize() const;
- StringRef getData(size_t Offset, size_t Size) const;
- static inline bool classof(const Binary *v) {
+ 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();
}
-protected:
- virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
- virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
- virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const;
- virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const;
- virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const;
- virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const;
- virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const;
- virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const;
- virtual error_code getSymbolSection(DataRefImpl Symb,
- section_iterator &Res) const;
- virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
-
- virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const;
- virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const;
- virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const;
- virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
- virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
- virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const;
- virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
- bool &Res) const;
- virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const;
- virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const;
- virtual error_code sectionContainsSymbol(DataRefImpl DRI, DataRefImpl S,
- bool &Result) const;
- virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;
- virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const;
-
- virtual error_code getRelocationNext(DataRefImpl Rel,
- RelocationRef &Res) const;
- virtual error_code getRelocationAddress(DataRefImpl Rel,
- uint64_t &Res) const;
- virtual error_code getRelocationOffset(DataRefImpl Rel,
- uint64_t &Res) const;
- virtual error_code getRelocationSymbol(DataRefImpl Rel,
- SymbolRef &Res) const;
- virtual error_code getRelocationType(DataRefImpl Rel,
- uint64_t &Res) const;
- virtual error_code getRelocationTypeName(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const;
- virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
- int64_t &Res) const;
- virtual error_code getRelocationValueString(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const;
- virtual error_code getRelocationHidden(DataRefImpl Rel, bool &Result) const;
-
- virtual error_code getLibraryNext(DataRefImpl LibData, LibraryRef &Res) const;
- virtual error_code getLibraryPath(DataRefImpl LibData, StringRef &Res) const;
-
private:
- typedef SmallVector<DataRefImpl, 1> SectionList;
+ typedef SmallVector<const char*, 1> SectionList;
SectionList Sections;
+ typedef SmallVector<const char*, 1> LibraryList;
+ LibraryList Libraries;
+ 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
+inline DiceRef::DiceRef(DataRefImpl DiceP, const ObjectFile *Owner)
+ : DicePimpl(DiceP) , OwningObject(Owner) {}
- void moveToNextSection(DataRefImpl &DRI) const;
+inline bool DiceRef::operator==(const DiceRef &Other) const {
+ return DicePimpl == Other.DicePimpl;
+}
- const MachOFormat::SymbolTableEntry<false> *
- getSymbolTableEntry(DataRefImpl DRI,
- const MachOFormat::SymtabLoadCommand *SymtabLoadCmd) const;
+inline bool DiceRef::operator<(const DiceRef &Other) const {
+ return DicePimpl < Other.DicePimpl;
+}
- const MachOFormat::SymbolTableEntry<true> *
- getSymbol64TableEntry(DataRefImpl DRI,
- const MachOFormat::SymtabLoadCommand *SymtabLoadCmd) const;
+inline void DiceRef::moveNext() {
+ const MachO::data_in_code_entry *P =
+ reinterpret_cast<const MachO::data_in_code_entry *>(DicePimpl.p);
+ DicePimpl.p = reinterpret_cast<uintptr_t>(P + 1);
+}
- void moveToNextSymbol(DataRefImpl &DRI) const;
- const MachOFormat::RelocationEntry *getRelocation(DataRefImpl Rel) const;
- std::size_t getSectionIndex(DataRefImpl Sec) const;
+// Since a Mach-O data in code reference, a DiceRef, can only be created when
+// the OwningObject ObjectFile is a MachOObjectFile a static_cast<> is used for
+// the methods that get the values of the fields of the reference.
- void printRelocationTargetName(const MachOFormat::RelocationEntry *RE,
- raw_string_ostream &fmt) 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;
+}
+
+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;
+}
+
+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;
+}
+
+inline DataRefImpl DiceRef::getRawDataRefImpl() const {
+ return DicePimpl;
+}
+
+inline const ObjectFile *DiceRef::getObjectFile() const {
+ return OwningObject;
+}
}
}