Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Object/MachO.h b/linux-x64/clang/include/llvm/Object/MachO.h
new file mode 100644
index 0000000..bfd3462
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+++ b/linux-x64/clang/include/llvm/Object/MachO.h
@@ -0,0 +1,737 @@
+//===- MachO.h - MachO object file implementation ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the MachOObjectFile class, which implement the ObjectFile
+// interface for MachO files.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OBJECT_MACHO_H
+#define LLVM_OBJECT_MACHO_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/ADT/iterator_range.h"
+#include "llvm/BinaryFormat/MachO.h"
+#include "llvm/MC/SubtargetFeature.h"
+#include "llvm/Object/Binary.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Object/SymbolicFile.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <system_error>
+
+namespace llvm {
+namespace object {
+
+/// 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 = nullptr;
+
+public:
+ DiceRef() = default;
+ DiceRef(DataRefImpl DiceP, const ObjectFile *Owner);
+
+ bool operator==(const DiceRef &Other) const;
+ bool operator<(const DiceRef &Other) const;
+
+ void moveNext();
+
+ 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;
+};
+using dice_iterator = content_iterator<DiceRef>;
+
+/// 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:
+/// Error Err;
+/// for (const llvm::object::ExportEntry &AnExport : Obj->exports(&Err)) {
+/// }
+/// if (Err) { report error ...
+class ExportEntry {
+public:
+ ExportEntry(Error *Err, const MachOObjectFile *O, 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, const char **error);
+ 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 = 0;
+ uint64_t Address = 0;
+ uint64_t Other = 0;
+ const char *ImportName = nullptr;
+ unsigned ChildCount = 0;
+ unsigned NextChildIndex = 0;
+ unsigned ParentStringLength = 0;
+ bool IsExportNode = false;
+ };
+ using NodeList = SmallVector<NodeState, 16>;
+ using node_iterator = NodeList::const_iterator;
+
+ Error *E;
+ const MachOObjectFile *O;
+ ArrayRef<uint8_t> Trie;
+ SmallString<256> CumulativeString;
+ NodeList Stack;
+ bool Done = false;
+
+ iterator_range<node_iterator> nodes() const {
+ return make_range(Stack.begin(), Stack.end());
+ }
+};
+using export_iterator = content_iterator<ExportEntry>;
+
+// Segment info so SegIndex/SegOffset pairs in a Mach-O Bind or Rebase entry
+// can be checked and translated. Only the SegIndex/SegOffset pairs from
+// checked entries are to be used with the segmentName(), sectionName() and
+// address() methods below.
+class BindRebaseSegInfo {
+public:
+ BindRebaseSegInfo(const MachOObjectFile *Obj);
+
+ // Used to check a Mach-O Bind or Rebase entry for errors when iterating.
+ const char *checkSegAndOffset(int32_t SegIndex, uint64_t SegOffset,
+ bool endInvalid);
+ const char *checkCountAndSkip(uint32_t Count, uint32_t Skip,
+ uint8_t PointerSize, int32_t SegIndex,
+ uint64_t SegOffset);
+ // Used with valid SegIndex/SegOffset values from checked entries.
+ StringRef segmentName(int32_t SegIndex);
+ StringRef sectionName(int32_t SegIndex, uint64_t SegOffset);
+ uint64_t address(uint32_t SegIndex, uint64_t SegOffset);
+
+private:
+ struct SectionInfo {
+ uint64_t Address;
+ uint64_t Size;
+ StringRef SectionName;
+ StringRef SegmentName;
+ uint64_t OffsetInSegment;
+ uint64_t SegmentStartAddress;
+ int32_t SegmentIndex;
+ };
+ const SectionInfo &findSection(int32_t SegIndex, uint64_t SegOffset);
+
+ SmallVector<SectionInfo, 32> Sections;
+ int32_t MaxSegIndex;
+};
+
+/// MachORebaseEntry encapsulates the current state in the decompression of
+/// rebasing opcodes. This allows you to iterate through the compressed table of
+/// rebasing using:
+/// Error Err;
+/// for (const llvm::object::MachORebaseEntry &Entry : Obj->rebaseTable(&Err)) {
+/// }
+/// if (Err) { report error ...
+class MachORebaseEntry {
+public:
+ MachORebaseEntry(Error *Err, const MachOObjectFile *O,
+ ArrayRef<uint8_t> opcodes, bool is64Bit);
+
+ int32_t segmentIndex() const;
+ uint64_t segmentOffset() const;
+ StringRef typeName() const;
+ StringRef segmentName() const;
+ StringRef sectionName() const;
+ uint64_t address() const;
+
+ bool operator==(const MachORebaseEntry &) const;
+
+ void moveNext();
+
+private:
+ friend class MachOObjectFile;
+
+ void moveToFirst();
+ void moveToEnd();
+ uint64_t readULEB128(const char **error);
+
+ Error *E;
+ const MachOObjectFile *O;
+ ArrayRef<uint8_t> Opcodes;
+ const uint8_t *Ptr;
+ uint64_t SegmentOffset = 0;
+ int32_t SegmentIndex = -1;
+ uint64_t RemainingLoopCount = 0;
+ uint64_t AdvanceAmount = 0;
+ uint8_t RebaseType = 0;
+ uint8_t PointerSize;
+ bool Done = false;
+};
+using rebase_iterator = content_iterator<MachORebaseEntry>;
+
+/// MachOBindEntry encapsulates the current state in the decompression of
+/// binding opcodes. This allows you to iterate through the compressed table of
+/// bindings using:
+/// Error Err;
+/// for (const llvm::object::MachOBindEntry &Entry : Obj->bindTable(&Err)) {
+/// }
+/// if (Err) { report error ...
+class MachOBindEntry {
+public:
+ enum class Kind { Regular, Lazy, Weak };
+
+ MachOBindEntry(Error *Err, const MachOObjectFile *O,
+ ArrayRef<uint8_t> Opcodes, bool is64Bit, MachOBindEntry::Kind);
+
+ int32_t segmentIndex() const;
+ uint64_t segmentOffset() const;
+ StringRef typeName() const;
+ StringRef symbolName() const;
+ uint32_t flags() const;
+ int64_t addend() const;
+ int ordinal() const;
+
+ StringRef segmentName() const;
+ StringRef sectionName() const;
+ uint64_t address() const;
+
+ bool operator==(const MachOBindEntry &) const;
+
+ void moveNext();
+
+private:
+ friend class MachOObjectFile;
+
+ void moveToFirst();
+ void moveToEnd();
+ uint64_t readULEB128(const char **error);
+ int64_t readSLEB128(const char **error);
+
+ Error *E;
+ const MachOObjectFile *O;
+ ArrayRef<uint8_t> Opcodes;
+ const uint8_t *Ptr;
+ uint64_t SegmentOffset = 0;
+ int32_t SegmentIndex = -1;
+ StringRef SymbolName;
+ bool LibraryOrdinalSet = false;
+ int Ordinal = 0;
+ uint32_t Flags = 0;
+ int64_t Addend = 0;
+ uint64_t RemainingLoopCount = 0;
+ uint64_t AdvanceAmount = 0;
+ uint8_t BindType = 0;
+ uint8_t PointerSize;
+ Kind TableKind;
+ bool Done = false;
+};
+using bind_iterator = content_iterator<MachOBindEntry>;
+
+class MachOObjectFile : public ObjectFile {
+public:
+ struct LoadCommandInfo {
+ const char *Ptr; // Where in memory the load command is.
+ MachO::load_command C; // The command itself.
+ };
+ using LoadCommandList = SmallVector<LoadCommandInfo, 4>;
+ using load_command_iterator = LoadCommandList::const_iterator;
+
+ static Expected<std::unique_ptr<MachOObjectFile>>
+ create(MemoryBufferRef Object, bool IsLittleEndian, bool Is64Bits,
+ uint32_t UniversalCputype = 0, uint32_t UniversalIndex = 0);
+
+ void moveSymbolNext(DataRefImpl &Symb) const override;
+
+ uint64_t getNValue(DataRefImpl Sym) const;
+ Expected<StringRef> getSymbolName(DataRefImpl Symb) const override;
+
+ // MachO specific.
+ Error checkSymbolTable() const;
+
+ std::error_code getIndirectName(DataRefImpl Symb, StringRef &Res) const;
+ unsigned getSectionType(SectionRef Sec) const;
+
+ Expected<uint64_t> getSymbolAddress(DataRefImpl Symb) const override;
+ uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
+ uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override;
+ Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const override;
+ uint32_t getSymbolFlags(DataRefImpl Symb) const override;
+ Expected<section_iterator> getSymbolSection(DataRefImpl Symb) const override;
+ unsigned getSymbolSectionID(SymbolRef Symb) const;
+ unsigned getSectionID(SectionRef Sec) const;
+
+ 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 getSectionIndex(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 isSectionCompressed(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 isSectionBitcode(DataRefImpl Sec) const override;
+
+ /// When dsymutil generates the companion file, it strips all unnecessary
+ /// sections (e.g. everything in the _TEXT segment) by omitting their body
+ /// and setting the offset in their corresponding load command to zero.
+ ///
+ /// While the load command itself is valid, reading the section corresponds
+ /// to reading the number of bytes specified in the load command, starting
+ /// from offset 0 (i.e. the Mach-O header at the beginning of the file).
+ bool isSectionStripped(DataRefImpl Sec) const override;
+
+ relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
+ relocation_iterator section_rel_end(DataRefImpl Sec) const override;
+
+ relocation_iterator extrel_begin() const;
+ relocation_iterator extrel_end() const;
+ iterator_range<relocation_iterator> external_relocations() const {
+ return make_range(extrel_begin(), extrel_end());
+ }
+
+ relocation_iterator locrel_begin() const;
+ relocation_iterator locrel_end() const;
+
+ void moveRelocationNext(DataRefImpl &Rel) const override;
+ uint64_t getRelocationOffset(DataRefImpl Rel) const override;
+ symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
+ section_iterator getRelocationSection(DataRefImpl Rel) const;
+ uint64_t getRelocationType(DataRefImpl Rel) const override;
+ void getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
+ uint8_t getRelocationLength(DataRefImpl Rel) const;
+
+ // MachO specific.
+ std::error_code getLibraryShortNameByIndex(unsigned Index, StringRef &) const;
+ uint32_t getLibraryCount() const;
+
+ section_iterator getRelocationRelocatedSection(relocation_iterator Rel) const;
+
+ // TODO: Would be useful to have an iterator based version
+ // of the load command interface too.
+
+ basic_symbol_iterator symbol_begin() const override;
+ basic_symbol_iterator symbol_end() const override;
+
+ // MachO specific.
+ basic_symbol_iterator getSymbolByIndex(unsigned Index) const;
+ uint64_t getSymbolIndex(DataRefImpl Symb) const;
+
+ section_iterator section_begin() const override;
+ section_iterator section_end() const override;
+
+ uint8_t getBytesInAddress() const override;
+
+ StringRef getFileFormatName() const override;
+ Triple::ArchType getArch() const override;
+ SubtargetFeatures getFeatures() const override { return SubtargetFeatures(); }
+ Triple getArchTriple(const char **McpuDefault = nullptr) 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(Error &Err) const;
+
+ /// For use examining a trie not in a MachOObjectFile.
+ static iterator_range<export_iterator> exports(Error &Err,
+ ArrayRef<uint8_t> Trie,
+ const MachOObjectFile *O =
+ nullptr);
+
+ /// For use iterating over all rebase table entries.
+ iterator_range<rebase_iterator> rebaseTable(Error &Err);
+
+ /// For use examining rebase opcodes in a MachOObjectFile.
+ static iterator_range<rebase_iterator> rebaseTable(Error &Err,
+ MachOObjectFile *O,
+ ArrayRef<uint8_t> Opcodes,
+ bool is64);
+
+ /// For use iterating over all bind table entries.
+ iterator_range<bind_iterator> bindTable(Error &Err);
+
+ /// For use iterating over all lazy bind table entries.
+ iterator_range<bind_iterator> lazyBindTable(Error &Err);
+
+ /// For use iterating over all weak bind table entries.
+ iterator_range<bind_iterator> weakBindTable(Error &Err);
+
+ /// For use examining bind opcodes in a MachOObjectFile.
+ static iterator_range<bind_iterator> bindTable(Error &Err,
+ MachOObjectFile *O,
+ ArrayRef<uint8_t> Opcodes,
+ bool is64,
+ MachOBindEntry::Kind);
+
+ /// For use with a SegIndex,SegOffset pair in MachOBindEntry::moveNext() to
+ /// validate a MachOBindEntry.
+ const char *BindEntryCheckSegAndOffset(int32_t SegIndex, uint64_t SegOffset,
+ bool endInvalid) const {
+ return BindRebaseSectionTable->checkSegAndOffset(SegIndex, SegOffset,
+ endInvalid);
+ }
+ /// For use in MachOBindEntry::moveNext() to validate a MachOBindEntry for
+ /// the BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB opcode.
+ const char *BindEntryCheckCountAndSkip(uint32_t Count, uint32_t Skip,
+ uint8_t PointerSize, int32_t SegIndex,
+ uint64_t SegOffset) const {
+ return BindRebaseSectionTable->checkCountAndSkip(Count, Skip, PointerSize,
+ SegIndex, SegOffset);
+ }
+
+ /// For use with a SegIndex,SegOffset pair in MachORebaseEntry::moveNext() to
+ /// validate a MachORebaseEntry.
+ const char *RebaseEntryCheckSegAndOffset(int32_t SegIndex, uint64_t SegOffset,
+ bool endInvalid) const {
+ return BindRebaseSectionTable->checkSegAndOffset(SegIndex, SegOffset,
+ endInvalid);
+ }
+ /// For use in MachORebaseEntry::moveNext() to validate a MachORebaseEntry for
+ /// the REBASE_OPCODE_DO_*_TIMES* opcodes.
+ const char *RebaseEntryCheckCountAndSkip(uint32_t Count, uint32_t Skip,
+ uint8_t PointerSize, int32_t SegIndex,
+ uint64_t SegOffset) const {
+ return BindRebaseSectionTable->checkCountAndSkip(Count, Skip, PointerSize,
+ SegIndex, SegOffset);
+ }
+
+ /// For use with the SegIndex of a checked Mach-O Bind or Rebase entry to
+ /// get the segment name.
+ StringRef BindRebaseSegmentName(int32_t SegIndex) const {
+ return BindRebaseSectionTable->segmentName(SegIndex);
+ }
+
+ /// For use with a SegIndex,SegOffset pair from a checked Mach-O Bind or
+ /// Rebase entry to get the section name.
+ StringRef BindRebaseSectionName(uint32_t SegIndex, uint64_t SegOffset) const {
+ return BindRebaseSectionTable->sectionName(SegIndex, SegOffset);
+ }
+
+ /// For use with a SegIndex,SegOffset pair from a checked Mach-O Bind or
+ /// Rebase entry to get the address.
+ uint64_t BindRebaseAddress(uint32_t SegIndex, uint64_t SegOffset) const {
+ return BindRebaseSectionTable->address(SegIndex, SegOffset);
+ }
+
+ // 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 the final object.
+ StringRef getSectionFinalSegmentName(DataRefImpl Sec) const;
+
+ // 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;
+
+ // 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;
+
+ // 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::note_command
+ getNoteLoadCommand(const LoadCommandInfo &L) const;
+ MachO::build_version_command
+ getBuildVersionLoadCommand(const LoadCommandInfo &L) const;
+ MachO::build_tool_version
+ getBuildToolVersion(unsigned index) 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;
+ 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::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;
+ 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 getArchTriple(uint32_t CPUType, uint32_t CPUSubType,
+ const char **McpuDefault = nullptr,
+ const char **ArchFlag = nullptr);
+ static bool isValidArch(StringRef ArchFlag);
+ static Triple getHostArch();
+
+ bool isRelocatableObject() const override;
+
+ StringRef mapDebugSectionName(StringRef Name) const override;
+
+ bool hasPageZeroSegment() const { return HasPageZeroSegment; }
+
+ static bool classof(const Binary *v) {
+ return v->isMachO();
+ }
+
+ static uint32_t
+ getVersionMinMajor(MachO::version_min_command &C, bool SDK) {
+ uint32_t VersionOrSDK = (SDK) ? C.sdk : C.version;
+ return (VersionOrSDK >> 16) & 0xffff;
+ }
+
+ static uint32_t
+ getVersionMinMinor(MachO::version_min_command &C, bool SDK) {
+ uint32_t VersionOrSDK = (SDK) ? C.sdk : C.version;
+ return (VersionOrSDK >> 8) & 0xff;
+ }
+
+ static uint32_t
+ getVersionMinUpdate(MachO::version_min_command &C, bool SDK) {
+ uint32_t VersionOrSDK = (SDK) ? C.sdk : C.version;
+ return VersionOrSDK & 0xff;
+ }
+
+ static std::string getBuildPlatform(uint32_t platform) {
+ switch (platform) {
+ case MachO::PLATFORM_MACOS: return "macos";
+ case MachO::PLATFORM_IOS: return "ios";
+ case MachO::PLATFORM_TVOS: return "tvos";
+ case MachO::PLATFORM_WATCHOS: return "watchos";
+ case MachO::PLATFORM_BRIDGEOS: return "bridgeos";
+ default:
+ std::string ret;
+ raw_string_ostream ss(ret);
+ ss << format_hex(platform, 8, true);
+ return ss.str();
+ }
+ }
+
+ static std::string getBuildTool(uint32_t tools) {
+ switch (tools) {
+ case MachO::TOOL_CLANG: return "clang";
+ case MachO::TOOL_SWIFT: return "swift";
+ case MachO::TOOL_LD: return "ld";
+ default:
+ std::string ret;
+ raw_string_ostream ss(ret);
+ ss << format_hex(tools, 8, true);
+ return ss.str();
+ }
+ }
+
+ static std::string getVersionString(uint32_t version) {
+ uint32_t major = (version >> 16) & 0xffff;
+ uint32_t minor = (version >> 8) & 0xff;
+ uint32_t update = version & 0xff;
+
+ SmallString<32> Version;
+ Version = utostr(major) + "." + utostr(minor);
+ if (update != 0)
+ Version += "." + utostr(update);
+ return Version.str();
+ }
+
+private:
+ MachOObjectFile(MemoryBufferRef Object, bool IsLittleEndian, bool Is64Bits,
+ Error &Err, uint32_t UniversalCputype = 0,
+ uint32_t UniversalIndex = 0);
+
+ uint64_t getSymbolValueImpl(DataRefImpl Symb) const override;
+
+ union {
+ MachO::mach_header_64 Header64;
+ MachO::mach_header Header;
+ };
+ using SectionList = SmallVector<const char*, 1>;
+ SectionList Sections;
+ using LibraryList = SmallVector<const char*, 1>;
+ LibraryList Libraries;
+ LoadCommandList LoadCommands;
+ using LibraryShortName = SmallVector<StringRef, 1>;
+ using BuildToolList = SmallVector<const char*, 1>;
+ BuildToolList BuildTools;
+ mutable LibraryShortName LibrariesShortNames;
+ std::unique_ptr<BindRebaseSegInfo> BindRebaseSectionTable;
+ const char *SymtabLoadCmd = nullptr;
+ const char *DysymtabLoadCmd = nullptr;
+ const char *DataInCodeLoadCmd = nullptr;
+ const char *LinkOptHintsLoadCmd = nullptr;
+ const char *DyldInfoLoadCmd = nullptr;
+ const char *UuidLoadCmd = nullptr;
+ bool HasPageZeroSegment = false;
+};
+
+/// DiceRef
+inline DiceRef::DiceRef(DataRefImpl DiceP, const ObjectFile *Owner)
+ : DicePimpl(DiceP) , OwningObject(Owner) {}
+
+inline bool DiceRef::operator==(const DiceRef &Other) const {
+ return DicePimpl == Other.DicePimpl;
+}
+
+inline bool DiceRef::operator<(const DiceRef &Other) const {
+ return DicePimpl < Other.DicePimpl;
+}
+
+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);
+}
+
+// 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.
+
+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 std::error_code();
+}
+
+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 std::error_code();
+}
+
+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 std::error_code();
+}
+
+inline DataRefImpl DiceRef::getRawDataRefImpl() const {
+ return DicePimpl;
+}
+
+inline const ObjectFile *DiceRef::getObjectFile() const {
+ return OwningObject;
+}
+
+} // end namespace object
+} // end namespace llvm
+
+#endif // LLVM_OBJECT_MACHO_H