Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/ObjectYAML/MachOYAML.h b/linux-x64/clang/include/llvm/ObjectYAML/MachOYAML.h
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+++ b/linux-x64/clang/include/llvm/ObjectYAML/MachOYAML.h
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+//===- MachOYAML.h - Mach-O YAMLIO implementation ---------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief This file declares classes for handling the YAML representation
+/// of Mach-O.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OBJECTYAML_MACHOYAML_H
+#define LLVM_OBJECTYAML_MACHOYAML_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/MachO.h"
+#include "llvm/ObjectYAML/DWARFYAML.h"
+#include "llvm/Support/YAMLTraits.h"
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace llvm {
+namespace MachOYAML {
+
+struct Section {
+  char sectname[16];
+  char segname[16];
+  llvm::yaml::Hex64 addr;
+  uint64_t size;
+  llvm::yaml::Hex32 offset;
+  uint32_t align;
+  llvm::yaml::Hex32 reloff;
+  uint32_t nreloc;
+  llvm::yaml::Hex32 flags;
+  llvm::yaml::Hex32 reserved1;
+  llvm::yaml::Hex32 reserved2;
+  llvm::yaml::Hex32 reserved3;
+};
+
+struct FileHeader {
+  llvm::yaml::Hex32 magic;
+  llvm::yaml::Hex32 cputype;
+  llvm::yaml::Hex32 cpusubtype;
+  llvm::yaml::Hex32 filetype;
+  uint32_t ncmds;
+  uint32_t sizeofcmds;
+  llvm::yaml::Hex32 flags;
+  llvm::yaml::Hex32 reserved;
+};
+
+struct LoadCommand {
+  virtual ~LoadCommand();
+
+  llvm::MachO::macho_load_command Data;
+  std::vector<Section> Sections;
+  std::vector<MachO::build_tool_version> Tools;
+  std::vector<llvm::yaml::Hex8> PayloadBytes;
+  std::string PayloadString;
+  uint64_t ZeroPadBytes;
+};
+
+struct NListEntry {
+  uint32_t n_strx;
+  llvm::yaml::Hex8 n_type;
+  uint8_t n_sect;
+  uint16_t n_desc;
+  uint64_t n_value;
+};
+
+struct RebaseOpcode {
+  MachO::RebaseOpcode Opcode;
+  uint8_t Imm;
+  std::vector<yaml::Hex64> ExtraData;
+};
+
+struct BindOpcode {
+  MachO::BindOpcode Opcode;
+  uint8_t Imm;
+  std::vector<yaml::Hex64> ULEBExtraData;
+  std::vector<int64_t> SLEBExtraData;
+  StringRef Symbol;
+};
+
+struct ExportEntry {
+  uint64_t TerminalSize = 0;
+  uint64_t NodeOffset = 0;
+  std::string Name;
+  llvm::yaml::Hex64 Flags = 0;
+  llvm::yaml::Hex64 Address = 0;
+  llvm::yaml::Hex64 Other = 0;
+  std::string ImportName;
+  std::vector<MachOYAML::ExportEntry> Children;
+};
+
+struct LinkEditData {
+  std::vector<MachOYAML::RebaseOpcode> RebaseOpcodes;
+  std::vector<MachOYAML::BindOpcode> BindOpcodes;
+  std::vector<MachOYAML::BindOpcode> WeakBindOpcodes;
+  std::vector<MachOYAML::BindOpcode> LazyBindOpcodes;
+  MachOYAML::ExportEntry ExportTrie;
+  std::vector<NListEntry> NameList;
+  std::vector<StringRef> StringTable;
+
+  bool isEmpty() const;
+};
+
+struct Object {
+  bool IsLittleEndian;
+  FileHeader Header;
+  std::vector<LoadCommand> LoadCommands;
+  std::vector<Section> Sections;
+  LinkEditData LinkEdit;
+  DWARFYAML::Data DWARF;
+};
+
+struct FatHeader {
+  llvm::yaml::Hex32 magic;
+  uint32_t nfat_arch;
+};
+
+struct FatArch {
+  llvm::yaml::Hex32 cputype;
+  llvm::yaml::Hex32 cpusubtype;
+  llvm::yaml::Hex64 offset;
+  uint64_t size;
+  uint32_t align;
+  llvm::yaml::Hex32 reserved;
+};
+
+struct UniversalBinary {
+  FatHeader Header;
+  std::vector<FatArch> FatArchs;
+  std::vector<Object> Slices;
+};
+
+} // end namespace MachOYAML
+} // end namespace llvm
+
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::LoadCommand)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::Section)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::RebaseOpcode)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::BindOpcode)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::ExportEntry)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::NListEntry)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::Object)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::FatArch)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachO::build_tool_version)
+
+namespace llvm {
+
+class raw_ostream;
+
+namespace yaml {
+
+template <> struct MappingTraits<MachOYAML::FileHeader> {
+  static void mapping(IO &IO, MachOYAML::FileHeader &FileHeader);
+};
+
+template <> struct MappingTraits<MachOYAML::Object> {
+  static void mapping(IO &IO, MachOYAML::Object &Object);
+};
+
+template <> struct MappingTraits<MachOYAML::FatHeader> {
+  static void mapping(IO &IO, MachOYAML::FatHeader &FatHeader);
+};
+
+template <> struct MappingTraits<MachOYAML::FatArch> {
+  static void mapping(IO &IO, MachOYAML::FatArch &FatArch);
+};
+
+template <> struct MappingTraits<MachOYAML::UniversalBinary> {
+  static void mapping(IO &IO, MachOYAML::UniversalBinary &UniversalBinary);
+};
+
+template <> struct MappingTraits<MachOYAML::LoadCommand> {
+  static void mapping(IO &IO, MachOYAML::LoadCommand &LoadCommand);
+};
+
+template <> struct MappingTraits<MachOYAML::LinkEditData> {
+  static void mapping(IO &IO, MachOYAML::LinkEditData &LinkEditData);
+};
+
+template <> struct MappingTraits<MachOYAML::RebaseOpcode> {
+  static void mapping(IO &IO, MachOYAML::RebaseOpcode &RebaseOpcode);
+};
+
+template <> struct MappingTraits<MachOYAML::BindOpcode> {
+  static void mapping(IO &IO, MachOYAML::BindOpcode &BindOpcode);
+};
+
+template <> struct MappingTraits<MachOYAML::ExportEntry> {
+  static void mapping(IO &IO, MachOYAML::ExportEntry &ExportEntry);
+};
+
+template <> struct MappingTraits<MachOYAML::Section> {
+  static void mapping(IO &IO, MachOYAML::Section &Section);
+};
+
+template <> struct MappingTraits<MachOYAML::NListEntry> {
+  static void mapping(IO &IO, MachOYAML::NListEntry &NListEntry);
+};
+
+template <> struct MappingTraits<MachO::build_tool_version> {
+  static void mapping(IO &IO, MachO::build_tool_version &tool);
+};
+
+#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                         \
+  io.enumCase(value, #LCName, MachO::LCName);
+
+template <> struct ScalarEnumerationTraits<MachO::LoadCommandType> {
+  static void enumeration(IO &io, MachO::LoadCommandType &value) {
+#include "llvm/BinaryFormat/MachO.def"
+    io.enumFallback<Hex32>(value);
+  }
+};
+
+#define ENUM_CASE(Enum) io.enumCase(value, #Enum, MachO::Enum);
+
+template <> struct ScalarEnumerationTraits<MachO::RebaseOpcode> {
+  static void enumeration(IO &io, MachO::RebaseOpcode &value) {
+    ENUM_CASE(REBASE_OPCODE_DONE)
+    ENUM_CASE(REBASE_OPCODE_SET_TYPE_IMM)
+    ENUM_CASE(REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB)
+    ENUM_CASE(REBASE_OPCODE_ADD_ADDR_ULEB)
+    ENUM_CASE(REBASE_OPCODE_ADD_ADDR_IMM_SCALED)
+    ENUM_CASE(REBASE_OPCODE_DO_REBASE_IMM_TIMES)
+    ENUM_CASE(REBASE_OPCODE_DO_REBASE_ULEB_TIMES)
+    ENUM_CASE(REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB)
+    ENUM_CASE(REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB)
+    io.enumFallback<Hex8>(value);
+  }
+};
+
+template <> struct ScalarEnumerationTraits<MachO::BindOpcode> {
+  static void enumeration(IO &io, MachO::BindOpcode &value) {
+    ENUM_CASE(BIND_OPCODE_DONE)
+    ENUM_CASE(BIND_OPCODE_SET_DYLIB_ORDINAL_IMM)
+    ENUM_CASE(BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB)
+    ENUM_CASE(BIND_OPCODE_SET_DYLIB_SPECIAL_IMM)
+    ENUM_CASE(BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM)
+    ENUM_CASE(BIND_OPCODE_SET_TYPE_IMM)
+    ENUM_CASE(BIND_OPCODE_SET_ADDEND_SLEB)
+    ENUM_CASE(BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB)
+    ENUM_CASE(BIND_OPCODE_ADD_ADDR_ULEB)
+    ENUM_CASE(BIND_OPCODE_DO_BIND)
+    ENUM_CASE(BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB)
+    ENUM_CASE(BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED)
+    ENUM_CASE(BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB)
+    io.enumFallback<Hex8>(value);
+  }
+};
+
+// This trait is used for 16-byte chars in Mach structures used for strings
+using char_16 = char[16];
+
+template <> struct ScalarTraits<char_16> {
+  static void output(const char_16 &Val, void *, raw_ostream &Out);
+  static StringRef input(StringRef Scalar, void *, char_16 &Val);
+  static QuotingType mustQuote(StringRef S);
+};
+
+// This trait is used for UUIDs. It reads and writes them matching otool's
+// formatting style.
+using uuid_t = raw_ostream::uuid_t;
+
+template <> struct ScalarTraits<uuid_t> {
+  static void output(const uuid_t &Val, void *, raw_ostream &Out);
+  static StringRef input(StringRef Scalar, void *, uuid_t &Val);
+  static QuotingType mustQuote(StringRef S);
+};
+
+// Load Command struct mapping traits
+
+#define LOAD_COMMAND_STRUCT(LCStruct)                                          \
+  template <> struct MappingTraits<MachO::LCStruct> {                          \
+    static void mapping(IO &IO, MachO::LCStruct &LoadCommand);                 \
+  };
+
+#include "llvm/BinaryFormat/MachO.def"
+
+// Extra structures used by load commands
+template <> struct MappingTraits<MachO::dylib> {
+  static void mapping(IO &IO, MachO::dylib &LoadCommand);
+};
+
+template <> struct MappingTraits<MachO::fvmlib> {
+  static void mapping(IO &IO, MachO::fvmlib &LoadCommand);
+};
+
+template <> struct MappingTraits<MachO::section> {
+  static void mapping(IO &IO, MachO::section &LoadCommand);
+};
+
+template <> struct MappingTraits<MachO::section_64> {
+  static void mapping(IO &IO, MachO::section_64 &LoadCommand);
+};
+
+} // end namespace yaml
+
+} // end namespace llvm
+
+#endif // LLVM_OBJECTYAML_MACHOYAML_H