16 files changed, 6554 insertions, 0 deletions

diff --git a/contrib/llvm/lib/Object/Archive.cpp b/contrib/llvm/lib/Object/Archive.cpp
new file mode 100644
index 0000000..e32bdd5
--- /dev/null
+++ b/contrib/llvm/lib/Object/Archive.cpp
@@ -0,0 +1,504 @@
+//===- Archive.cpp - ar File Format 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 defines the ArchiveObjectFile class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/Archive.h"
+#include "llvm/ADT/APInt.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/MemoryBuffer.h"
+
+using namespace llvm;
+using namespace object;
+
+static const char *const Magic = "!<arch>\n";
+
+void Archive::anchor() { }
+
+StringRef ArchiveMemberHeader::getName() const {
+  char EndCond;
+  if (Name[0] == '/' || Name[0] == '#')
+    EndCond = ' ';
+  else
+    EndCond = '/';
+  llvm::StringRef::size_type end =
+      llvm::StringRef(Name, sizeof(Name)).find(EndCond);
+  if (end == llvm::StringRef::npos)
+    end = sizeof(Name);
+  assert(end <= sizeof(Name) && end > 0);
+  // Don't include the EndCond if there is one.
+  return llvm::StringRef(Name, end);
+}
+
+uint32_t ArchiveMemberHeader::getSize() const {
+  uint32_t Ret;
+  if (llvm::StringRef(Size, sizeof(Size)).rtrim(" ").getAsInteger(10, Ret))
+    llvm_unreachable("Size is not a decimal number.");
+  return Ret;
+}
+
+sys::fs::perms ArchiveMemberHeader::getAccessMode() const {
+  unsigned Ret;
+  if (StringRef(AccessMode, sizeof(AccessMode)).rtrim(" ").getAsInteger(8, Ret))
+    llvm_unreachable("Access mode is not an octal number.");
+  return static_cast<sys::fs::perms>(Ret);
+}
+
+sys::TimeValue ArchiveMemberHeader::getLastModified() const {
+  unsigned Seconds;
+  if (StringRef(LastModified, sizeof(LastModified)).rtrim(" ")
+          .getAsInteger(10, Seconds))
+    llvm_unreachable("Last modified time not a decimal number.");
+
+  sys::TimeValue Ret;
+  Ret.fromEpochTime(Seconds);
+  return Ret;
+}
+
+unsigned ArchiveMemberHeader::getUID() const {
+  unsigned Ret;
+  if (StringRef(UID, sizeof(UID)).rtrim(" ").getAsInteger(10, Ret))
+    llvm_unreachable("UID time not a decimal number.");
+  return Ret;
+}
+
+unsigned ArchiveMemberHeader::getGID() const {
+  unsigned Ret;
+  if (StringRef(GID, sizeof(GID)).rtrim(" ").getAsInteger(10, Ret))
+    llvm_unreachable("GID time not a decimal number.");
+  return Ret;
+}
+
+Archive::Child::Child(const Archive *Parent, const char *Start)
+    : Parent(Parent) {
+  if (!Start)
+    return;
+
+  const ArchiveMemberHeader *Header =
+      reinterpret_cast<const ArchiveMemberHeader *>(Start);
+  Data = StringRef(Start, sizeof(ArchiveMemberHeader) + Header->getSize());
+
+  // Setup StartOfFile and PaddingBytes.
+  StartOfFile = sizeof(ArchiveMemberHeader);
+  // Don't include attached name.
+  StringRef Name = Header->getName();
+  if (Name.startswith("#1/")) {
+    uint64_t NameSize;
+    if (Name.substr(3).rtrim(" ").getAsInteger(10, NameSize))
+      llvm_unreachable("Long name length is not an integer");
+    StartOfFile += NameSize;
+  }
+}
+
+Archive::Child Archive::Child::getNext() const {
+  size_t SpaceToSkip = Data.size();
+  // If it's odd, add 1 to make it even.
+  if (SpaceToSkip & 1)
+    ++SpaceToSkip;
+
+  const char *NextLoc = Data.data() + SpaceToSkip;
+
+  // Check to see if this is past the end of the archive.
+  if (NextLoc >= Parent->Data->getBufferEnd())
+    return Child(Parent, nullptr);
+
+  return Child(Parent, NextLoc);
+}
+
+ErrorOr<StringRef> Archive::Child::getName() const {
+  StringRef name = getRawName();
+  // Check if it's a special name.
+  if (name[0] == '/') {
+    if (name.size() == 1) // Linker member.
+      return name;
+    if (name.size() == 2 && name[1] == '/') // String table.
+      return name;
+    // It's a long name.
+    // Get the offset.
+    std::size_t offset;
+    if (name.substr(1).rtrim(" ").getAsInteger(10, offset))
+      llvm_unreachable("Long name offset is not an integer");
+    const char *addr = Parent->StringTable->Data.begin()
+                       + sizeof(ArchiveMemberHeader)
+                       + offset;
+    // Verify it.
+    if (Parent->StringTable == Parent->child_end()
+        || addr < (Parent->StringTable->Data.begin()
+                   + sizeof(ArchiveMemberHeader))
+        || addr > (Parent->StringTable->Data.begin()
+                   + sizeof(ArchiveMemberHeader)
+                   + Parent->StringTable->getSize()))
+      return object_error::parse_failed;
+
+    // GNU long file names end with a /.
+    if (Parent->kind() == K_GNU) {
+      StringRef::size_type End = StringRef(addr).find('/');
+      return StringRef(addr, End);
+    }
+    return StringRef(addr);
+  } else if (name.startswith("#1/")) {
+    uint64_t name_size;
+    if (name.substr(3).rtrim(" ").getAsInteger(10, name_size))
+      llvm_unreachable("Long name length is not an ingeter");
+    return Data.substr(sizeof(ArchiveMemberHeader), name_size)
+        .rtrim(StringRef("\0", 1));
+  }
+  // It's a simple name.
+  if (name[name.size() - 1] == '/')
+    return name.substr(0, name.size() - 1);
+  return name;
+}
+
+ErrorOr<std::unique_ptr<MemoryBuffer>>
+Archive::Child::getMemoryBuffer(bool FullPath) const {
+  ErrorOr<StringRef> NameOrErr = getName();
+  if (std::error_code EC = NameOrErr.getError())
+    return EC;
+  StringRef Name = NameOrErr.get();
+  SmallString<128> Path;
+  std::unique_ptr<MemoryBuffer> Ret(MemoryBuffer::getMemBuffer(
+      getBuffer(),
+      FullPath
+          ? (Twine(Parent->getFileName()) + "(" + Name + ")").toStringRef(Path)
+          : Name,
+      false));
+  return std::move(Ret);
+}
+
+ErrorOr<std::unique_ptr<Binary>>
+Archive::Child::getAsBinary(LLVMContext *Context) const {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr = getMemoryBuffer();
+  if (std::error_code EC = BuffOrErr.getError())
+    return EC;
+
+  return createBinary(std::move(*BuffOrErr), Context);
+}
+
+ErrorOr<Archive *> Archive::create(std::unique_ptr<MemoryBuffer> Source) {
+  std::error_code EC;
+  std::unique_ptr<Archive> Ret(new Archive(std::move(Source), EC));
+  if (EC)
+    return EC;
+  return Ret.release();
+}
+
+Archive::Archive(std::unique_ptr<MemoryBuffer> Source, std::error_code &ec)
+    : Binary(Binary::ID_Archive, std::move(Source)), SymbolTable(child_end()) {
+  // Check for sufficient magic.
+  if (Data->getBufferSize() < 8 ||
+      StringRef(Data->getBufferStart(), 8) != Magic) {
+    ec = object_error::invalid_file_type;
+    return;
+  }
+
+  // Get the special members.
+  child_iterator i = child_begin(false);
+  child_iterator e = child_end();
+
+  if (i == e) {
+    ec = object_error::success;
+    return;
+  }
+
+  StringRef Name = i->getRawName();
+
+  // Below is the pattern that is used to figure out the archive format
+  // GNU archive format
+  //  First member : / (may exist, if it exists, points to the symbol table )
+  //  Second member : // (may exist, if it exists, points to the string table)
+  //  Note : The string table is used if the filename exceeds 15 characters
+  // BSD archive format
+  //  First member : __.SYMDEF or "__.SYMDEF SORTED" (the symbol table)
+  //  There is no string table, if the filename exceeds 15 characters or has a
+  //  embedded space, the filename has #1/<size>, The size represents the size
+  //  of the filename that needs to be read after the archive header
+  // COFF archive format
+  //  First member : /
+  //  Second member : / (provides a directory of symbols)
+  //  Third member : // (may exist, if it exists, contains the string table)
+  //  Note: Microsoft PE/COFF Spec 8.3 says that the third member is present
+  //  even if the string table is empty. However, lib.exe does not in fact
+  //  seem to create the third member if there's no member whose filename
+  //  exceeds 15 characters. So the third member is optional.
+
+  if (Name == "__.SYMDEF") {
+    Format = K_BSD;
+    SymbolTable = i;
+    ++i;
+    FirstRegular = i;
+    ec = object_error::success;
+    return;
+  }
+
+  if (Name.startswith("#1/")) {
+    Format = K_BSD;
+    // We know this is BSD, so getName will work since there is no string table.
+    ErrorOr<StringRef> NameOrErr = i->getName();
+    ec = NameOrErr.getError();
+    if (ec)
+      return;
+    Name = NameOrErr.get();
+    if (Name == "__.SYMDEF SORTED") {
+      SymbolTable = i;
+      ++i;
+    }
+    FirstRegular = i;
+    return;
+  }
+
+  if (Name == "/") {
+    SymbolTable = i;
+
+    ++i;
+    if (i == e) {
+      ec = object_error::parse_failed;
+      return;
+    }
+    Name = i->getRawName();
+  }
+
+  if (Name == "//") {
+    Format = K_GNU;
+    StringTable = i;
+    ++i;
+    FirstRegular = i;
+    ec = object_error::success;
+    return;
+  }
+
+  if (Name[0] != '/') {
+    Format = K_GNU;
+    FirstRegular = i;
+    ec = object_error::success;
+    return;
+  }
+
+  if (Name != "/") {
+    ec = object_error::parse_failed;
+    return;
+  }
+
+  Format = K_COFF;
+  SymbolTable = i;
+
+  ++i;
+  if (i == e) {
+    FirstRegular = i;
+    ec = object_error::success;
+    return;
+  }
+
+  Name = i->getRawName();
+
+  if (Name == "//") {
+    StringTable = i;
+    ++i;
+  }
+
+  FirstRegular = i;
+  ec = object_error::success;
+}
+
+Archive::child_iterator Archive::child_begin(bool SkipInternal) const {
+  if (Data->getBufferSize() == 8) // empty archive.
+    return child_end();
+
+  if (SkipInternal)
+    return FirstRegular;
+
+  const char *Loc = Data->getBufferStart() + strlen(Magic);
+  Child c(this, Loc);
+  return c;
+}
+
+Archive::child_iterator Archive::child_end() const {
+  return Child(this, nullptr);
+}
+
+StringRef Archive::Symbol::getName() const {
+  return Parent->SymbolTable->getBuffer().begin() + StringIndex;
+}
+
+ErrorOr<Archive::child_iterator> Archive::Symbol::getMember() const {
+  const char *Buf = Parent->SymbolTable->getBuffer().begin();
+  const char *Offsets = Buf + 4;
+  uint32_t Offset = 0;
+  if (Parent->kind() == K_GNU) {
+    Offset = *(reinterpret_cast<const support::ubig32_t*>(Offsets)
+               + SymbolIndex);
+  } else if (Parent->kind() == K_BSD) {
+    // The SymbolIndex is an index into the ranlib structs that start at
+    // Offsets (the first uint32_t is the number of bytes of the ranlib
+    // structs).  The ranlib structs are a pair of uint32_t's the first
+    // being a string table offset and the second being the offset into
+    // the archive of the member that defines the symbol.  Which is what
+    // is needed here.
+    Offset = *(reinterpret_cast<const support::ulittle32_t *>(Offsets) +
+               (SymbolIndex * 2) + 1);
+  } else {
+    uint32_t MemberCount = *reinterpret_cast<const support::ulittle32_t*>(Buf);
+    
+    // Skip offsets.
+    Buf += sizeof(support::ulittle32_t)
+           + (MemberCount * sizeof(support::ulittle32_t));
+
+    uint32_t SymbolCount = *reinterpret_cast<const support::ulittle32_t*>(Buf);
+
+    if (SymbolIndex >= SymbolCount)
+      return object_error::parse_failed;
+
+    // Skip SymbolCount to get to the indices table.
+    const char *Indices = Buf + sizeof(support::ulittle32_t);
+
+    // Get the index of the offset in the file member offset table for this
+    // symbol.
+    uint16_t OffsetIndex =
+      *(reinterpret_cast<const support::ulittle16_t*>(Indices)
+        + SymbolIndex);
+    // Subtract 1 since OffsetIndex is 1 based.
+    --OffsetIndex;
+
+    if (OffsetIndex >= MemberCount)
+      return object_error::parse_failed;
+
+    Offset = *(reinterpret_cast<const support::ulittle32_t*>(Offsets)
+               + OffsetIndex);
+  }
+
+  const char *Loc = Parent->getData().begin() + Offset;
+  child_iterator Iter(Child(Parent, Loc));
+  return Iter;
+}
+
+Archive::Symbol Archive::Symbol::getNext() const {
+  Symbol t(*this);
+  if (Parent->kind() == K_BSD) {
+    // t.StringIndex is an offset from the start of the __.SYMDEF or
+    // "__.SYMDEF SORTED" member into the string table for the ranlib
+    // struct indexed by t.SymbolIndex .  To change t.StringIndex to the
+    // offset in the string table for t.SymbolIndex+1 we subtract the
+    // its offset from the start of the string table for t.SymbolIndex
+    // and add the offset of the string table for t.SymbolIndex+1.
+
+    // The __.SYMDEF or "__.SYMDEF SORTED" member starts with a uint32_t
+    // which is the number of bytes of ranlib structs that follow.  The ranlib
+    // structs are a pair of uint32_t's the first being a string table offset
+    // and the second being the offset into the archive of the member that
+    // define the symbol. After that the next uint32_t is the byte count of
+    // the string table followed by the string table.
+    const char *Buf = Parent->SymbolTable->getBuffer().begin();
+    uint32_t RanlibCount = 0;
+    RanlibCount = (*reinterpret_cast<const support::ulittle32_t *>(Buf)) /
+                  (sizeof(uint32_t) * 2);
+    // If t.SymbolIndex + 1 will be past the count of symbols (the RanlibCount)
+    // don't change the t.StringIndex as we don't want to reference a ranlib
+    // past RanlibCount.
+    if (t.SymbolIndex + 1 < RanlibCount) {
+      const char *Ranlibs = Buf + 4;
+      uint32_t CurRanStrx = 0;
+      uint32_t NextRanStrx = 0;
+      CurRanStrx = *(reinterpret_cast<const support::ulittle32_t *>(Ranlibs) +
+                     (t.SymbolIndex * 2));
+      NextRanStrx = *(reinterpret_cast<const support::ulittle32_t *>(Ranlibs) +
+                      ((t.SymbolIndex + 1) * 2));
+      t.StringIndex -= CurRanStrx;
+      t.StringIndex += NextRanStrx;
+    }
+  } else {
+    // Go to one past next null.
+    t.StringIndex =
+        Parent->SymbolTable->getBuffer().find('\0', t.StringIndex) + 1;
+  }
+  ++t.SymbolIndex;
+  return t;
+}
+
+Archive::symbol_iterator Archive::symbol_begin() const {
+  if (!hasSymbolTable())
+    return symbol_iterator(Symbol(this, 0, 0));
+
+  const char *buf = SymbolTable->getBuffer().begin();
+  if (kind() == K_GNU) {
+    uint32_t symbol_count = 0;
+    symbol_count = *reinterpret_cast<const support::ubig32_t*>(buf);
+    buf += sizeof(uint32_t) + (symbol_count * (sizeof(uint32_t)));
+  } else if (kind() == K_BSD) {
+    // The __.SYMDEF or "__.SYMDEF SORTED" member starts with a uint32_t
+    // which is the number of bytes of ranlib structs that follow.  The ranlib
+    // structs are a pair of uint32_t's the first being a string table offset
+    // and the second being the offset into the archive of the member that
+    // define the symbol. After that the next uint32_t is the byte count of
+    // the string table followed by the string table.
+    uint32_t ranlib_count = 0;
+    ranlib_count = (*reinterpret_cast<const support::ulittle32_t *>(buf)) /
+                   (sizeof(uint32_t) * 2);
+    const char *ranlibs = buf + 4;
+    uint32_t ran_strx = 0;
+    ran_strx = *(reinterpret_cast<const support::ulittle32_t *>(ranlibs));
+    buf += sizeof(uint32_t) + (ranlib_count * (2 * (sizeof(uint32_t))));
+    // Skip the byte count of the string table.
+    buf += sizeof(uint32_t);
+    buf += ran_strx;
+  } else {
+    uint32_t member_count = 0;
+    uint32_t symbol_count = 0;
+    member_count = *reinterpret_cast<const support::ulittle32_t*>(buf);
+    buf += 4 + (member_count * 4); // Skip offsets.
+    symbol_count = *reinterpret_cast<const support::ulittle32_t*>(buf);
+    buf += 4 + (symbol_count * 2); // Skip indices.
+  }
+  uint32_t string_start_offset = buf - SymbolTable->getBuffer().begin();
+  return symbol_iterator(Symbol(this, 0, string_start_offset));
+}
+
+Archive::symbol_iterator Archive::symbol_end() const {
+  if (!hasSymbolTable())
+    return symbol_iterator(Symbol(this, 0, 0));
+
+  const char *buf = SymbolTable->getBuffer().begin();
+  uint32_t symbol_count = 0;
+  if (kind() == K_GNU) {
+    symbol_count = *reinterpret_cast<const support::ubig32_t*>(buf);
+  } else if (kind() == K_BSD) {
+    symbol_count = (*reinterpret_cast<const support::ulittle32_t *>(buf)) /
+                   (sizeof(uint32_t) * 2);
+  } else {
+    uint32_t member_count = 0;
+    member_count = *reinterpret_cast<const support::ulittle32_t*>(buf);
+    buf += 4 + (member_count * 4); // Skip offsets.
+    symbol_count = *reinterpret_cast<const support::ulittle32_t*>(buf);
+  }
+  return symbol_iterator(
+    Symbol(this, symbol_count, 0));
+}
+
+Archive::child_iterator Archive::findSym(StringRef name) const {
+  Archive::symbol_iterator bs = symbol_begin();
+  Archive::symbol_iterator es = symbol_end();
+
+  for (; bs != es; ++bs) {
+    StringRef SymName = bs->getName();
+    if (SymName == name) {
+      ErrorOr<Archive::child_iterator> ResultOrErr = bs->getMember();
+      // FIXME: Should we really eat the error?
+      if (ResultOrErr.getError())
+        return child_end();
+      return ResultOrErr.get();
+    }
+  }
+  return child_end();
+}
+
+bool Archive::hasSymbolTable() const {
+  return SymbolTable != child_end();
+}
diff --git a/contrib/llvm/lib/Object/Binary.cpp b/contrib/llvm/lib/Object/Binary.cpp
new file mode 100644
index 0000000..552d5db
--- /dev/null
+++ b/contrib/llvm/lib/Object/Binary.cpp
@@ -0,0 +1,83 @@
+//===- Binary.cpp - A generic binary file -----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the Binary class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/Binary.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Path.h"
+
+// Include headers for createBinary.
+#include "llvm/Object/Archive.h"
+#include "llvm/Object/MachOUniversal.h"
+#include "llvm/Object/ObjectFile.h"
+
+using namespace llvm;
+using namespace object;
+
+Binary::~Binary() {}
+
+Binary::Binary(unsigned int Type, std::unique_ptr<MemoryBuffer> Source)
+    : TypeID(Type), Data(std::move(Source)) {}
+
+StringRef Binary::getData() const {
+  return Data->getBuffer();
+}
+
+StringRef Binary::getFileName() const {
+  return Data->getBufferIdentifier();
+}
+
+ErrorOr<Binary *> object::createBinary(std::unique_ptr<MemoryBuffer> Buffer,
+                                       LLVMContext *Context) {
+  sys::fs::file_magic Type = sys::fs::identify_magic(Buffer->getBuffer());
+
+  switch (Type) {
+    case sys::fs::file_magic::archive:
+      return Archive::create(std::move(Buffer));
+    case sys::fs::file_magic::elf_relocatable:
+    case sys::fs::file_magic::elf_executable:
+    case sys::fs::file_magic::elf_shared_object:
+    case sys::fs::file_magic::elf_core:
+    case sys::fs::file_magic::macho_object:
+    case sys::fs::file_magic::macho_executable:
+    case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
+    case sys::fs::file_magic::macho_core:
+    case sys::fs::file_magic::macho_preload_executable:
+    case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
+    case sys::fs::file_magic::macho_dynamic_linker:
+    case sys::fs::file_magic::macho_bundle:
+    case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
+    case sys::fs::file_magic::macho_dsym_companion:
+    case sys::fs::file_magic::coff_object:
+    case sys::fs::file_magic::coff_import_library:
+    case sys::fs::file_magic::pecoff_executable:
+    case sys::fs::file_magic::bitcode:
+      return ObjectFile::createSymbolicFile(Buffer, Type, Context);
+    case sys::fs::file_magic::macho_universal_binary:
+      return MachOUniversalBinary::create(std::move(Buffer));
+    case sys::fs::file_magic::unknown:
+    case sys::fs::file_magic::windows_resource:
+      // Unrecognized object file format.
+      return object_error::invalid_file_type;
+  }
+  llvm_unreachable("Unexpected Binary File Type");
+}
+
+ErrorOr<Binary *> object::createBinary(StringRef Path) {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+      MemoryBuffer::getFileOrSTDIN(Path);
+  if (std::error_code EC = FileOrErr.getError())
+    return EC;
+  return createBinary(std::move(*FileOrErr));
+}
diff --git a/contrib/llvm/lib/Object/COFFObjectFile.cpp b/contrib/llvm/lib/Object/COFFObjectFile.cpp
new file mode 100644
index 0000000..46ef87d
--- /dev/null
+++ b/contrib/llvm/lib/Object/COFFObjectFile.cpp
@@ -0,0 +1,1123 @@
+//===- COFFObjectFile.cpp - COFF 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 COFFObjectFile class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/COFF.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/COFF.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cctype>
+#include <limits>
+
+using namespace llvm;
+using namespace object;
+
+using support::ulittle8_t;
+using support::ulittle16_t;
+using support::ulittle32_t;
+using support::little16_t;
+
+// Returns false if size is greater than the buffer size. And sets ec.
+static bool checkSize(const MemoryBuffer &M, std::error_code &EC,
+                      uint64_t Size) {
+  if (M.getBufferSize() < Size) {
+    EC = object_error::unexpected_eof;
+    return false;
+  }
+  return true;
+}
+
+// Sets Obj unless any bytes in [addr, addr + size) fall outsize of m.
+// Returns unexpected_eof if error.
+template <typename T>
+static std::error_code getObject(const T *&Obj, const MemoryBuffer &M,
+                                 const uint8_t *Ptr,
+                                 const size_t Size = sizeof(T)) {
+  uintptr_t Addr = uintptr_t(Ptr);
+  if (Addr + Size < Addr || Addr + Size < Size ||
+      Addr + Size > uintptr_t(M.getBufferEnd())) {
+    return object_error::unexpected_eof;
+  }
+  Obj = reinterpret_cast<const T *>(Addr);
+  return object_error::success;
+}
+
+// Decode a string table entry in base 64 (//AAAAAA). Expects \arg Str without
+// prefixed slashes.
+static bool decodeBase64StringEntry(StringRef Str, uint32_t &Result) {
+  assert(Str.size() <= 6 && "String too long, possible overflow.");
+  if (Str.size() > 6)
+    return true;
+
+  uint64_t Value = 0;
+  while (!Str.empty()) {
+    unsigned CharVal;
+    if (Str[0] >= 'A' && Str[0] <= 'Z') // 0..25
+      CharVal = Str[0] - 'A';
+    else if (Str[0] >= 'a' && Str[0] <= 'z') // 26..51
+      CharVal = Str[0] - 'a' + 26;
+    else if (Str[0] >= '0' && Str[0] <= '9') // 52..61
+      CharVal = Str[0] - '0' + 52;
+    else if (Str[0] == '+') // 62
+      CharVal = 62;
+    else if (Str[0] == '/') // 63
+      CharVal = 63;
+    else
+      return true;
+
+    Value = (Value * 64) + CharVal;
+    Str = Str.substr(1);
+  }
+
+  if (Value > std::numeric_limits<uint32_t>::max())
+    return true;
+
+  Result = static_cast<uint32_t>(Value);
+  return false;
+}
+
+const coff_symbol *COFFObjectFile::toSymb(DataRefImpl Ref) const {
+  const coff_symbol *Addr = reinterpret_cast<const coff_symbol*>(Ref.p);
+
+# ifndef NDEBUG
+  // Verify that the symbol points to a valid entry in the symbol table.
+  uintptr_t Offset = uintptr_t(Addr) - uintptr_t(base());
+  if (Offset < COFFHeader->PointerToSymbolTable
+      || Offset >= COFFHeader->PointerToSymbolTable
+         + (COFFHeader->NumberOfSymbols * sizeof(coff_symbol)))
+    report_fatal_error("Symbol was outside of symbol table.");
+
+  assert((Offset - COFFHeader->PointerToSymbolTable) % sizeof(coff_symbol)
+         == 0 && "Symbol did not point to the beginning of a symbol");
+# endif
+
+  return Addr;
+}
+
+const coff_section *COFFObjectFile::toSec(DataRefImpl Ref) const {
+  const coff_section *Addr = reinterpret_cast<const coff_section*>(Ref.p);
+
+# ifndef NDEBUG
+  // Verify that the section points to a valid entry in the section table.
+  if (Addr < SectionTable
+      || Addr >= (SectionTable + COFFHeader->NumberOfSections))
+    report_fatal_error("Section was outside of section table.");
+
+  uintptr_t Offset = uintptr_t(Addr) - uintptr_t(SectionTable);
+  assert(Offset % sizeof(coff_section) == 0 &&
+         "Section did not point to the beginning of a section");
+# endif
+
+  return Addr;
+}
+
+void COFFObjectFile::moveSymbolNext(DataRefImpl &Ref) const {
+  const coff_symbol *Symb = toSymb(Ref);
+  Symb += 1 + Symb->NumberOfAuxSymbols;
+  Ref.p = reinterpret_cast<uintptr_t>(Symb);
+}
+
+std::error_code COFFObjectFile::getSymbolName(DataRefImpl Ref,
+                                              StringRef &Result) const {
+  const coff_symbol *Symb = toSymb(Ref);
+  return getSymbolName(Symb, Result);
+}
+
+std::error_code COFFObjectFile::getSymbolAddress(DataRefImpl Ref,
+                                                 uint64_t &Result) const {
+  const coff_symbol *Symb = toSymb(Ref);
+  const coff_section *Section = nullptr;
+  if (std::error_code EC = getSection(Symb->SectionNumber, Section))
+    return EC;
+
+  if (Symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED)
+    Result = UnknownAddressOrSize;
+  else if (Section)
+    Result = Section->VirtualAddress + Symb->Value;
+  else
+    Result = Symb->Value;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getSymbolType(DataRefImpl Ref,
+                                              SymbolRef::Type &Result) const {
+  const coff_symbol *Symb = toSymb(Ref);
+  Result = SymbolRef::ST_Other;
+  if (Symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+      Symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED) {
+    Result = SymbolRef::ST_Unknown;
+  } else if (Symb->isFunctionDefinition()) {
+    Result = SymbolRef::ST_Function;
+  } else {
+    uint32_t Characteristics = 0;
+    if (!COFF::isReservedSectionNumber(Symb->SectionNumber)) {
+      const coff_section *Section = nullptr;
+      if (std::error_code EC = getSection(Symb->SectionNumber, Section))
+        return EC;
+      Characteristics = Section->Characteristics;
+    }
+    if (Characteristics & COFF::IMAGE_SCN_MEM_READ &&
+        ~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only.
+      Result = SymbolRef::ST_Data;
+  }
+  return object_error::success;
+}
+
+uint32_t COFFObjectFile::getSymbolFlags(DataRefImpl Ref) const {
+  const coff_symbol *Symb = toSymb(Ref);
+  uint32_t Result = SymbolRef::SF_None;
+
+  // TODO: Correctly set SF_FormatSpecific, SF_Common
+
+  if (Symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED) {
+    if (Symb->Value == 0)
+      Result |= SymbolRef::SF_Undefined;
+    else
+      Result |= SymbolRef::SF_Common;
+  }
+
+
+  // TODO: This are certainly too restrictive.
+  if (Symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL)
+    Result |= SymbolRef::SF_Global;
+
+  if (Symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL)
+    Result |= SymbolRef::SF_Weak;
+
+  if (Symb->SectionNumber == COFF::IMAGE_SYM_ABSOLUTE)
+    Result |= SymbolRef::SF_Absolute;
+
+  return Result;
+}
+
+std::error_code COFFObjectFile::getSymbolSize(DataRefImpl Ref,
+                                              uint64_t &Result) const {
+  // FIXME: Return the correct size. This requires looking at all the symbols
+  //        in the same section as this symbol, and looking for either the next
+  //        symbol, or the end of the section.
+  const coff_symbol *Symb = toSymb(Ref);
+  const coff_section *Section = nullptr;
+  if (std::error_code EC = getSection(Symb->SectionNumber, Section))
+    return EC;
+
+  if (Symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED)
+    Result = UnknownAddressOrSize;
+  else if (Section)
+    Result = Section->SizeOfRawData - Symb->Value;
+  else
+    Result = 0;
+  return object_error::success;
+}
+
+std::error_code
+COFFObjectFile::getSymbolSection(DataRefImpl Ref,
+                                 section_iterator &Result) const {
+  const coff_symbol *Symb = toSymb(Ref);
+  if (COFF::isReservedSectionNumber(Symb->SectionNumber)) {
+    Result = section_end();
+  } else {
+    const coff_section *Sec = nullptr;
+    if (std::error_code EC = getSection(Symb->SectionNumber, Sec))
+      return EC;
+    DataRefImpl Ref;
+    Ref.p = reinterpret_cast<uintptr_t>(Sec);
+    Result = section_iterator(SectionRef(Ref, this));
+  }
+  return object_error::success;
+}
+
+void COFFObjectFile::moveSectionNext(DataRefImpl &Ref) const {
+  const coff_section *Sec = toSec(Ref);
+  Sec += 1;
+  Ref.p = reinterpret_cast<uintptr_t>(Sec);
+}
+
+std::error_code COFFObjectFile::getSectionName(DataRefImpl Ref,
+                                               StringRef &Result) const {
+  const coff_section *Sec = toSec(Ref);
+  return getSectionName(Sec, Result);
+}
+
+std::error_code COFFObjectFile::getSectionAddress(DataRefImpl Ref,
+                                                  uint64_t &Result) const {
+  const coff_section *Sec = toSec(Ref);
+  Result = Sec->VirtualAddress;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getSectionSize(DataRefImpl Ref,
+                                               uint64_t &Result) const {
+  const coff_section *Sec = toSec(Ref);
+  Result = Sec->SizeOfRawData;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getSectionContents(DataRefImpl Ref,
+                                                   StringRef &Result) const {
+  const coff_section *Sec = toSec(Ref);
+  ArrayRef<uint8_t> Res;
+  std::error_code EC = getSectionContents(Sec, Res);
+  Result = StringRef(reinterpret_cast<const char*>(Res.data()), Res.size());
+  return EC;
+}
+
+std::error_code COFFObjectFile::getSectionAlignment(DataRefImpl Ref,
+                                                    uint64_t &Res) const {
+  const coff_section *Sec = toSec(Ref);
+  if (!Sec)
+    return object_error::parse_failed;
+  Res = uint64_t(1) << (((Sec->Characteristics & 0x00F00000) >> 20) - 1);
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::isSectionText(DataRefImpl Ref,
+                                              bool &Result) const {
+  const coff_section *Sec = toSec(Ref);
+  Result = Sec->Characteristics & COFF::IMAGE_SCN_CNT_CODE;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::isSectionData(DataRefImpl Ref,
+                                              bool &Result) const {
+  const coff_section *Sec = toSec(Ref);
+  Result = Sec->Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::isSectionBSS(DataRefImpl Ref,
+                                             bool &Result) const {
+  const coff_section *Sec = toSec(Ref);
+  Result = Sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+  return object_error::success;
+}
+
+std::error_code
+COFFObjectFile::isSectionRequiredForExecution(DataRefImpl Ref,
+                                              bool &Result) const {
+  // FIXME: Unimplemented
+  Result = true;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::isSectionVirtual(DataRefImpl Ref,
+                                                 bool &Result) const {
+  const coff_section *Sec = toSec(Ref);
+  Result = Sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::isSectionZeroInit(DataRefImpl Ref,
+                                                  bool &Result) const {
+  // FIXME: Unimplemented.
+  Result = false;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::isSectionReadOnlyData(DataRefImpl Ref,
+                                                      bool &Result) const {
+  // FIXME: Unimplemented.
+  Result = false;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::sectionContainsSymbol(DataRefImpl SecRef,
+                                                      DataRefImpl SymbRef,
+                                                      bool &Result) const {
+  const coff_section *Sec = toSec(SecRef);
+  const coff_symbol *Symb = toSymb(SymbRef);
+  const coff_section *SymbSec = nullptr;
+  if (std::error_code EC = getSection(Symb->SectionNumber, SymbSec))
+    return EC;
+  if (SymbSec == Sec)
+    Result = true;
+  else
+    Result = false;
+  return object_error::success;
+}
+
+relocation_iterator COFFObjectFile::section_rel_begin(DataRefImpl Ref) const {
+  const coff_section *Sec = toSec(Ref);
+  DataRefImpl Ret;
+  if (Sec->NumberOfRelocations == 0) {
+    Ret.p = 0;
+  } else {
+    auto begin = reinterpret_cast<const coff_relocation*>(
+        base() + Sec->PointerToRelocations);
+    if (Sec->hasExtendedRelocations()) {
+      // Skip the first relocation entry repurposed to store the number of
+      // relocations.
+      begin++;
+    }
+    Ret.p = reinterpret_cast<uintptr_t>(begin);
+  }
+  return relocation_iterator(RelocationRef(Ret, this));
+}
+
+static uint32_t getNumberOfRelocations(const coff_section *Sec,
+                                       const uint8_t *base) {
+  // The field for the number of relocations in COFF section table is only
+  // 16-bit wide. If a section has more than 65535 relocations, 0xFFFF is set to
+  // NumberOfRelocations field, and the actual relocation count is stored in the
+  // VirtualAddress field in the first relocation entry.
+  if (Sec->hasExtendedRelocations()) {
+    auto *FirstReloc = reinterpret_cast<const coff_relocation*>(
+        base + Sec->PointerToRelocations);
+    return FirstReloc->VirtualAddress;
+  }
+  return Sec->NumberOfRelocations;
+}
+
+relocation_iterator COFFObjectFile::section_rel_end(DataRefImpl Ref) const {
+  const coff_section *Sec = toSec(Ref);
+  DataRefImpl Ret;
+  if (Sec->NumberOfRelocations == 0) {
+    Ret.p = 0;
+  } else {
+    auto begin = reinterpret_cast<const coff_relocation*>(
+        base() + Sec->PointerToRelocations);
+    uint32_t NumReloc = getNumberOfRelocations(Sec, base());
+    Ret.p = reinterpret_cast<uintptr_t>(begin + NumReloc);
+  }
+  return relocation_iterator(RelocationRef(Ret, this));
+}
+
+// Initialize the pointer to the symbol table.
+std::error_code COFFObjectFile::initSymbolTablePtr() {
+  if (std::error_code EC = getObject(
+          SymbolTable, *Data, base() + COFFHeader->PointerToSymbolTable,
+          COFFHeader->NumberOfSymbols * sizeof(coff_symbol)))
+    return EC;
+
+  // Find string table. The first four byte of the string table contains the
+  // total size of the string table, including the size field itself. If the
+  // string table is empty, the value of the first four byte would be 4.
+  const uint8_t *StringTableAddr =
+      base() + COFFHeader->PointerToSymbolTable +
+      COFFHeader->NumberOfSymbols * sizeof(coff_symbol);
+  const ulittle32_t *StringTableSizePtr;
+  if (std::error_code EC =
+          getObject(StringTableSizePtr, *Data, StringTableAddr))
+    return EC;
+  StringTableSize = *StringTableSizePtr;
+  if (std::error_code EC =
+          getObject(StringTable, *Data, StringTableAddr, StringTableSize))
+    return EC;
+
+  // Treat table sizes < 4 as empty because contrary to the PECOFF spec, some
+  // tools like cvtres write a size of 0 for an empty table instead of 4.
+  if (StringTableSize < 4)
+      StringTableSize = 4;
+
+  // Check that the string table is null terminated if has any in it.
+  if (StringTableSize > 4 && StringTable[StringTableSize - 1] != 0)
+    return  object_error::parse_failed;
+  return object_error::success;
+}
+
+// Returns the file offset for the given VA.
+std::error_code COFFObjectFile::getVaPtr(uint64_t Addr, uintptr_t &Res) const {
+  uint64_t ImageBase = PE32Header ? (uint64_t)PE32Header->ImageBase
+                                  : (uint64_t)PE32PlusHeader->ImageBase;
+  uint64_t Rva = Addr - ImageBase;
+  assert(Rva <= UINT32_MAX);
+  return getRvaPtr((uint32_t)Rva, Res);
+}
+
+// Returns the file offset for the given RVA.
+std::error_code COFFObjectFile::getRvaPtr(uint32_t Addr, uintptr_t &Res) const {
+  for (const SectionRef &S : sections()) {
+    const coff_section *Section = getCOFFSection(S);
+    uint32_t SectionStart = Section->VirtualAddress;
+    uint32_t SectionEnd = Section->VirtualAddress + Section->VirtualSize;
+    if (SectionStart <= Addr && Addr < SectionEnd) {
+      uint32_t Offset = Addr - SectionStart;
+      Res = uintptr_t(base()) + Section->PointerToRawData + Offset;
+      return object_error::success;
+    }
+  }
+  return object_error::parse_failed;
+}
+
+// Returns hint and name fields, assuming \p Rva is pointing to a Hint/Name
+// table entry.
+std::error_code COFFObjectFile::getHintName(uint32_t Rva, uint16_t &Hint,
+                                            StringRef &Name) const {
+  uintptr_t IntPtr = 0;
+  if (std::error_code EC = getRvaPtr(Rva, IntPtr))
+    return EC;
+  const uint8_t *Ptr = reinterpret_cast<const uint8_t *>(IntPtr);
+  Hint = *reinterpret_cast<const ulittle16_t *>(Ptr);
+  Name = StringRef(reinterpret_cast<const char *>(Ptr + 2));
+  return object_error::success;
+}
+
+// Find the import table.
+std::error_code COFFObjectFile::initImportTablePtr() {
+  // First, we get the RVA of the import table. If the file lacks a pointer to
+  // the import table, do nothing.
+  const data_directory *DataEntry;
+  if (getDataDirectory(COFF::IMPORT_TABLE, DataEntry))
+    return object_error::success;
+
+  // Do nothing if the pointer to import table is NULL.
+  if (DataEntry->RelativeVirtualAddress == 0)
+    return object_error::success;
+
+  uint32_t ImportTableRva = DataEntry->RelativeVirtualAddress;
+  NumberOfImportDirectory = DataEntry->Size /
+      sizeof(import_directory_table_entry);
+
+  // Find the section that contains the RVA. This is needed because the RVA is
+  // the import table's memory address which is different from its file offset.
+  uintptr_t IntPtr = 0;
+  if (std::error_code EC = getRvaPtr(ImportTableRva, IntPtr))
+    return EC;
+  ImportDirectory = reinterpret_cast<
+      const import_directory_table_entry *>(IntPtr);
+  return object_error::success;
+}
+
+// Find the export table.
+std::error_code COFFObjectFile::initExportTablePtr() {
+  // First, we get the RVA of the export table. If the file lacks a pointer to
+  // the export table, do nothing.
+  const data_directory *DataEntry;
+  if (getDataDirectory(COFF::EXPORT_TABLE, DataEntry))
+    return object_error::success;
+
+  // Do nothing if the pointer to export table is NULL.
+  if (DataEntry->RelativeVirtualAddress == 0)
+    return object_error::success;
+
+  uint32_t ExportTableRva = DataEntry->RelativeVirtualAddress;
+  uintptr_t IntPtr = 0;
+  if (std::error_code EC = getRvaPtr(ExportTableRva, IntPtr))
+    return EC;
+  ExportDirectory =
+      reinterpret_cast<const export_directory_table_entry *>(IntPtr);
+  return object_error::success;
+}
+
+COFFObjectFile::COFFObjectFile(std::unique_ptr<MemoryBuffer> Object,
+                               std::error_code &EC)
+    : ObjectFile(Binary::ID_COFF, std::move(Object)), COFFHeader(nullptr),
+      PE32Header(nullptr), PE32PlusHeader(nullptr), DataDirectory(nullptr),
+      SectionTable(nullptr), SymbolTable(nullptr), StringTable(nullptr),
+      StringTableSize(0), ImportDirectory(nullptr), NumberOfImportDirectory(0),
+      ExportDirectory(nullptr) {
+  // Check that we at least have enough room for a header.
+  if (!checkSize(*Data, EC, sizeof(coff_file_header)))
+    return;
+
+  // The current location in the file where we are looking at.
+  uint64_t CurPtr = 0;
+
+  // PE header is optional and is present only in executables. If it exists,
+  // it is placed right after COFF header.
+  bool HasPEHeader = false;
+
+  // Check if this is a PE/COFF file.
+  if (base()[0] == 0x4d && base()[1] == 0x5a) {
+    // PE/COFF, seek through MS-DOS compatibility stub and 4-byte
+    // PE signature to find 'normal' COFF header.
+    if (!checkSize(*Data, EC, 0x3c + 8))
+      return;
+    CurPtr = *reinterpret_cast<const ulittle16_t *>(base() + 0x3c);
+    // Check the PE magic bytes. ("PE\0\0")
+    if (std::memcmp(base() + CurPtr, "PE\0\0", 4) != 0) {
+      EC = object_error::parse_failed;
+      return;
+    }
+    CurPtr += 4; // Skip the PE magic bytes.
+    HasPEHeader = true;
+  }
+
+  if ((EC = getObject(COFFHeader, *Data, base() + CurPtr)))
+    return;
+  CurPtr += sizeof(coff_file_header);
+
+  if (HasPEHeader) {
+    const pe32_header *Header;
+    if ((EC = getObject(Header, *Data, base() + CurPtr)))
+      return;
+
+    const uint8_t *DataDirAddr;
+    uint64_t DataDirSize;
+    if (Header->Magic == 0x10b) {
+      PE32Header = Header;
+      DataDirAddr = base() + CurPtr + sizeof(pe32_header);
+      DataDirSize = sizeof(data_directory) * PE32Header->NumberOfRvaAndSize;
+    } else if (Header->Magic == 0x20b) {
+      PE32PlusHeader = reinterpret_cast<const pe32plus_header *>(Header);
+      DataDirAddr = base() + CurPtr + sizeof(pe32plus_header);
+      DataDirSize = sizeof(data_directory) * PE32PlusHeader->NumberOfRvaAndSize;
+    } else {
+      // It's neither PE32 nor PE32+.
+      EC = object_error::parse_failed;
+      return;
+    }
+    if ((EC = getObject(DataDirectory, *Data, DataDirAddr, DataDirSize)))
+      return;
+    CurPtr += COFFHeader->SizeOfOptionalHeader;
+  }
+
+  if (COFFHeader->isImportLibrary())
+    return;
+
+  if ((EC = getObject(SectionTable, *Data, base() + CurPtr,
+                      COFFHeader->NumberOfSections * sizeof(coff_section))))
+    return;
+
+  // Initialize the pointer to the symbol table.
+  if (COFFHeader->PointerToSymbolTable != 0)
+    if ((EC = initSymbolTablePtr()))
+      return;
+
+  // Initialize the pointer to the beginning of the import table.
+  if ((EC = initImportTablePtr()))
+    return;
+
+  // Initialize the pointer to the export table.
+  if ((EC = initExportTablePtr()))
+    return;
+
+  EC = object_error::success;
+}
+
+basic_symbol_iterator COFFObjectFile::symbol_begin_impl() const {
+  DataRefImpl Ret;
+  Ret.p = reinterpret_cast<uintptr_t>(SymbolTable);
+  return basic_symbol_iterator(SymbolRef(Ret, this));
+}
+
+basic_symbol_iterator COFFObjectFile::symbol_end_impl() const {
+  // The symbol table ends where the string table begins.
+  DataRefImpl Ret;
+  Ret.p = reinterpret_cast<uintptr_t>(StringTable);
+  return basic_symbol_iterator(SymbolRef(Ret, this));
+}
+
+library_iterator COFFObjectFile::needed_library_begin() const {
+  // TODO: implement
+  report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
+}
+
+library_iterator COFFObjectFile::needed_library_end() const {
+  // TODO: implement
+  report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
+}
+
+StringRef COFFObjectFile::getLoadName() const {
+  // COFF does not have this field.
+  return "";
+}
+
+import_directory_iterator COFFObjectFile::import_directory_begin() const {
+  return import_directory_iterator(
+      ImportDirectoryEntryRef(ImportDirectory, 0, this));
+}
+
+import_directory_iterator COFFObjectFile::import_directory_end() const {
+  return import_directory_iterator(
+      ImportDirectoryEntryRef(ImportDirectory, NumberOfImportDirectory, this));
+}
+
+export_directory_iterator COFFObjectFile::export_directory_begin() const {
+  return export_directory_iterator(
+      ExportDirectoryEntryRef(ExportDirectory, 0, this));
+}
+
+export_directory_iterator COFFObjectFile::export_directory_end() const {
+  if (!ExportDirectory)
+    return export_directory_iterator(ExportDirectoryEntryRef(nullptr, 0, this));
+  ExportDirectoryEntryRef Ref(ExportDirectory,
+                              ExportDirectory->AddressTableEntries, this);
+  return export_directory_iterator(Ref);
+}
+
+section_iterator COFFObjectFile::section_begin() const {
+  DataRefImpl Ret;
+  Ret.p = reinterpret_cast<uintptr_t>(SectionTable);
+  return section_iterator(SectionRef(Ret, this));
+}
+
+section_iterator COFFObjectFile::section_end() const {
+  DataRefImpl Ret;
+  int NumSections = COFFHeader->isImportLibrary()
+      ? 0 : COFFHeader->NumberOfSections;
+  Ret.p = reinterpret_cast<uintptr_t>(SectionTable + NumSections);
+  return section_iterator(SectionRef(Ret, this));
+}
+
+uint8_t COFFObjectFile::getBytesInAddress() const {
+  return getArch() == Triple::x86_64 ? 8 : 4;
+}
+
+StringRef COFFObjectFile::getFileFormatName() const {
+  switch(COFFHeader->Machine) {
+  case COFF::IMAGE_FILE_MACHINE_I386:
+    return "COFF-i386";
+  case COFF::IMAGE_FILE_MACHINE_AMD64:
+    return "COFF-x86-64";
+  case COFF::IMAGE_FILE_MACHINE_ARMNT:
+    return "COFF-ARM";
+  default:
+    return "COFF-<unknown arch>";
+  }
+}
+
+unsigned COFFObjectFile::getArch() const {
+  switch(COFFHeader->Machine) {
+  case COFF::IMAGE_FILE_MACHINE_I386:
+    return Triple::x86;
+  case COFF::IMAGE_FILE_MACHINE_AMD64:
+    return Triple::x86_64;
+  case COFF::IMAGE_FILE_MACHINE_ARMNT:
+    return Triple::thumb;
+  default:
+    return Triple::UnknownArch;
+  }
+}
+
+// This method is kept here because lld uses this. As soon as we make
+// lld to use getCOFFHeader, this method will be removed.
+std::error_code COFFObjectFile::getHeader(const coff_file_header *&Res) const {
+  return getCOFFHeader(Res);
+}
+
+std::error_code
+COFFObjectFile::getCOFFHeader(const coff_file_header *&Res) const {
+  Res = COFFHeader;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getPE32Header(const pe32_header *&Res) const {
+  Res = PE32Header;
+  return object_error::success;
+}
+
+std::error_code
+COFFObjectFile::getPE32PlusHeader(const pe32plus_header *&Res) const {
+  Res = PE32PlusHeader;
+  return object_error::success;
+}
+
+std::error_code
+COFFObjectFile::getDataDirectory(uint32_t Index,
+                                 const data_directory *&Res) const {
+  // Error if if there's no data directory or the index is out of range.
+  if (!DataDirectory)
+    return object_error::parse_failed;
+  assert(PE32Header || PE32PlusHeader);
+  uint32_t NumEnt = PE32Header ? PE32Header->NumberOfRvaAndSize
+                               : PE32PlusHeader->NumberOfRvaAndSize;
+  if (Index > NumEnt)
+    return object_error::parse_failed;
+  Res = &DataDirectory[Index];
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getSection(int32_t Index,
+                                           const coff_section *&Result) const {
+  // Check for special index values.
+  if (COFF::isReservedSectionNumber(Index))
+    Result = nullptr;
+  else if (Index > 0 && Index <= COFFHeader->NumberOfSections)
+    // We already verified the section table data, so no need to check again.
+    Result = SectionTable + (Index - 1);
+  else
+    return object_error::parse_failed;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getString(uint32_t Offset,
+                                          StringRef &Result) const {
+  if (StringTableSize <= 4)
+    // Tried to get a string from an empty string table.
+    return object_error::parse_failed;
+  if (Offset >= StringTableSize)
+    return object_error::unexpected_eof;
+  Result = StringRef(StringTable + Offset);
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getSymbol(uint32_t Index,
+                                          const coff_symbol *&Result) const {
+  if (Index < COFFHeader->NumberOfSymbols)
+    Result = SymbolTable + Index;
+  else
+    return object_error::parse_failed;
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getSymbolName(const coff_symbol *Symbol,
+                                              StringRef &Res) const {
+  // Check for string table entry. First 4 bytes are 0.
+  if (Symbol->Name.Offset.Zeroes == 0) {
+    uint32_t Offset = Symbol->Name.Offset.Offset;
+    if (std::error_code EC = getString(Offset, Res))
+      return EC;
+    return object_error::success;
+  }
+
+  if (Symbol->Name.ShortName[7] == 0)
+    // Null terminated, let ::strlen figure out the length.
+    Res = StringRef(Symbol->Name.ShortName);
+  else
+    // Not null terminated, use all 8 bytes.
+    Res = StringRef(Symbol->Name.ShortName, 8);
+  return object_error::success;
+}
+
+ArrayRef<uint8_t> COFFObjectFile::getSymbolAuxData(
+                                  const coff_symbol *Symbol) const {
+  const uint8_t *Aux = nullptr;
+
+  if (Symbol->NumberOfAuxSymbols > 0) {
+  // AUX data comes immediately after the symbol in COFF
+    Aux = reinterpret_cast<const uint8_t *>(Symbol + 1);
+# ifndef NDEBUG
+    // Verify that the Aux symbol points to a valid entry in the symbol table.
+    uintptr_t Offset = uintptr_t(Aux) - uintptr_t(base());
+    if (Offset < COFFHeader->PointerToSymbolTable
+        || Offset >= COFFHeader->PointerToSymbolTable
+           + (COFFHeader->NumberOfSymbols * sizeof(coff_symbol)))
+      report_fatal_error("Aux Symbol data was outside of symbol table.");
+
+    assert((Offset - COFFHeader->PointerToSymbolTable) % sizeof(coff_symbol)
+         == 0 && "Aux Symbol data did not point to the beginning of a symbol");
+# endif
+  }
+  return ArrayRef<uint8_t>(Aux,
+                           Symbol->NumberOfAuxSymbols * sizeof(coff_symbol));
+}
+
+std::error_code COFFObjectFile::getSectionName(const coff_section *Sec,
+                                               StringRef &Res) const {
+  StringRef Name;
+  if (Sec->Name[7] == 0)
+    // Null terminated, let ::strlen figure out the length.
+    Name = Sec->Name;
+  else
+    // Not null terminated, use all 8 bytes.
+    Name = StringRef(Sec->Name, 8);
+
+  // Check for string table entry. First byte is '/'.
+  if (Name[0] == '/') {
+    uint32_t Offset;
+    if (Name[1] == '/') {
+      if (decodeBase64StringEntry(Name.substr(2), Offset))
+        return object_error::parse_failed;
+    } else {
+      if (Name.substr(1).getAsInteger(10, Offset))
+        return object_error::parse_failed;
+    }
+    if (std::error_code EC = getString(Offset, Name))
+      return EC;
+  }
+
+  Res = Name;
+  return object_error::success;
+}
+
+std::error_code
+COFFObjectFile::getSectionContents(const coff_section *Sec,
+                                   ArrayRef<uint8_t> &Res) const {
+  // The only thing that we need to verify is that the contents is contained
+  // within the file bounds. We don't need to make sure it doesn't cover other
+  // data, as there's nothing that says that is not allowed.
+  uintptr_t ConStart = uintptr_t(base()) + Sec->PointerToRawData;
+  uintptr_t ConEnd = ConStart + Sec->SizeOfRawData;
+  if (ConEnd > uintptr_t(Data->getBufferEnd()))
+    return object_error::parse_failed;
+  Res = ArrayRef<uint8_t>(reinterpret_cast<const unsigned char*>(ConStart),
+                          Sec->SizeOfRawData);
+  return object_error::success;
+}
+
+const coff_relocation *COFFObjectFile::toRel(DataRefImpl Rel) const {
+  return reinterpret_cast<const coff_relocation*>(Rel.p);
+}
+
+void COFFObjectFile::moveRelocationNext(DataRefImpl &Rel) const {
+  Rel.p = reinterpret_cast<uintptr_t>(
+            reinterpret_cast<const coff_relocation*>(Rel.p) + 1);
+}
+
+std::error_code COFFObjectFile::getRelocationAddress(DataRefImpl Rel,
+                                                     uint64_t &Res) const {
+  report_fatal_error("getRelocationAddress not implemented in COFFObjectFile");
+}
+
+std::error_code COFFObjectFile::getRelocationOffset(DataRefImpl Rel,
+                                                    uint64_t &Res) const {
+  Res = toRel(Rel)->VirtualAddress;
+  return object_error::success;
+}
+
+symbol_iterator COFFObjectFile::getRelocationSymbol(DataRefImpl Rel) const {
+  const coff_relocation* R = toRel(Rel);
+  DataRefImpl Ref;
+  Ref.p = reinterpret_cast<uintptr_t>(SymbolTable + R->SymbolTableIndex);
+  return symbol_iterator(SymbolRef(Ref, this));
+}
+
+std::error_code COFFObjectFile::getRelocationType(DataRefImpl Rel,
+                                                  uint64_t &Res) const {
+  const coff_relocation* R = toRel(Rel);
+  Res = R->Type;
+  return object_error::success;
+}
+
+const coff_section *
+COFFObjectFile::getCOFFSection(const SectionRef &Section) const {
+  return toSec(Section.getRawDataRefImpl());
+}
+
+const coff_symbol *
+COFFObjectFile::getCOFFSymbol(const SymbolRef &Symbol) const {
+  return toSymb(Symbol.getRawDataRefImpl());
+}
+
+const coff_relocation *
+COFFObjectFile::getCOFFRelocation(const RelocationRef &Reloc) const {
+  return toRel(Reloc.getRawDataRefImpl());
+}
+
+#define LLVM_COFF_SWITCH_RELOC_TYPE_NAME(reloc_type)                           \
+  case COFF::reloc_type:                                                       \
+    Res = #reloc_type;                                                         \
+    break;
+
+std::error_code
+COFFObjectFile::getRelocationTypeName(DataRefImpl Rel,
+                                      SmallVectorImpl<char> &Result) const {
+  const coff_relocation *Reloc = toRel(Rel);
+  StringRef Res;
+  switch (COFFHeader->Machine) {
+  case COFF::IMAGE_FILE_MACHINE_AMD64:
+    switch (Reloc->Type) {
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ABSOLUTE);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR64);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR32);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR32NB);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_1);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_2);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_3);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_4);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_5);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECTION);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECREL);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECREL7);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_TOKEN);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SREL32);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_PAIR);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SSPAN32);
+    default:
+      Res = "Unknown";
+    }
+    break;
+  case COFF::IMAGE_FILE_MACHINE_ARMNT:
+    switch (Reloc->Type) {
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_ABSOLUTE);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_ADDR32);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_ADDR32NB);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BRANCH24);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BRANCH11);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_TOKEN);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BLX24);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BLX11);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_SECTION);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_SECREL);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_MOV32A);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_MOV32T);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BRANCH20T);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BRANCH24T);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BLX23T);
+    default:
+      Res = "Unknown";
+    }
+    break;
+  case COFF::IMAGE_FILE_MACHINE_I386:
+    switch (Reloc->Type) {
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_ABSOLUTE);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR16);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_REL16);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR32);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR32NB);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SEG12);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECTION);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECREL);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_TOKEN);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECREL7);
+    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_REL32);
+    default:
+      Res = "Unknown";
+    }
+    break;
+  default:
+    Res = "Unknown";
+  }
+  Result.append(Res.begin(), Res.end());
+  return object_error::success;
+}
+
+#undef LLVM_COFF_SWITCH_RELOC_TYPE_NAME
+
+std::error_code
+COFFObjectFile::getRelocationValueString(DataRefImpl Rel,
+                                         SmallVectorImpl<char> &Result) const {
+  const coff_relocation *Reloc = toRel(Rel);
+  const coff_symbol *Symb = nullptr;
+  if (std::error_code EC = getSymbol(Reloc->SymbolTableIndex, Symb))
+    return EC;
+  DataRefImpl Sym;
+  Sym.p = reinterpret_cast<uintptr_t>(Symb);
+  StringRef SymName;
+  if (std::error_code EC = getSymbolName(Sym, SymName))
+    return EC;
+  Result.append(SymName.begin(), SymName.end());
+  return object_error::success;
+}
+
+std::error_code COFFObjectFile::getLibraryNext(DataRefImpl LibData,
+                                               LibraryRef &Result) const {
+  report_fatal_error("getLibraryNext not implemented in COFFObjectFile");
+}
+
+std::error_code COFFObjectFile::getLibraryPath(DataRefImpl LibData,
+                                               StringRef &Result) const {
+  report_fatal_error("getLibraryPath not implemented in COFFObjectFile");
+}
+
+bool ImportDirectoryEntryRef::
+operator==(const ImportDirectoryEntryRef &Other) const {
+  return ImportTable == Other.ImportTable && Index == Other.Index;
+}
+
+void ImportDirectoryEntryRef::moveNext() {
+  ++Index;
+}
+
+std::error_code ImportDirectoryEntryRef::getImportTableEntry(
+    const import_directory_table_entry *&Result) const {
+  Result = ImportTable;
+  return object_error::success;
+}
+
+std::error_code ImportDirectoryEntryRef::getName(StringRef &Result) const {
+  uintptr_t IntPtr = 0;
+  if (std::error_code EC =
+          OwningObject->getRvaPtr(ImportTable->NameRVA, IntPtr))
+    return EC;
+  Result = StringRef(reinterpret_cast<const char *>(IntPtr));
+  return object_error::success;
+}
+
+std::error_code ImportDirectoryEntryRef::getImportLookupEntry(
+    const import_lookup_table_entry32 *&Result) const {
+  uintptr_t IntPtr = 0;
+  if (std::error_code EC =
+          OwningObject->getRvaPtr(ImportTable->ImportLookupTableRVA, IntPtr))
+    return EC;
+  Result = reinterpret_cast<const import_lookup_table_entry32 *>(IntPtr);
+  return object_error::success;
+}
+
+bool ExportDirectoryEntryRef::
+operator==(const ExportDirectoryEntryRef &Other) const {
+  return ExportTable == Other.ExportTable && Index == Other.Index;
+}
+
+void ExportDirectoryEntryRef::moveNext() {
+  ++Index;
+}
+
+// Returns the name of the current export symbol. If the symbol is exported only
+// by ordinal, the empty string is set as a result.
+std::error_code ExportDirectoryEntryRef::getDllName(StringRef &Result) const {
+  uintptr_t IntPtr = 0;
+  if (std::error_code EC =
+          OwningObject->getRvaPtr(ExportTable->NameRVA, IntPtr))
+    return EC;
+  Result = StringRef(reinterpret_cast<const char *>(IntPtr));
+  return object_error::success;
+}
+
+// Returns the starting ordinal number.
+std::error_code
+ExportDirectoryEntryRef::getOrdinalBase(uint32_t &Result) const {
+  Result = ExportTable->OrdinalBase;
+  return object_error::success;
+}
+
+// Returns the export ordinal of the current export symbol.
+std::error_code ExportDirectoryEntryRef::getOrdinal(uint32_t &Result) const {
+  Result = ExportTable->OrdinalBase + Index;
+  return object_error::success;
+}
+
+// Returns the address of the current export symbol.
+std::error_code ExportDirectoryEntryRef::getExportRVA(uint32_t &Result) const {
+  uintptr_t IntPtr = 0;
+  if (std::error_code EC =
+          OwningObject->getRvaPtr(ExportTable->ExportAddressTableRVA, IntPtr))
+    return EC;
+  const export_address_table_entry *entry =
+      reinterpret_cast<const export_address_table_entry *>(IntPtr);
+  Result = entry[Index].ExportRVA;
+  return object_error::success;
+}
+
+// Returns the name of the current export symbol. If the symbol is exported only
+// by ordinal, the empty string is set as a result.
+std::error_code
+ExportDirectoryEntryRef::getSymbolName(StringRef &Result) const {
+  uintptr_t IntPtr = 0;
+  if (std::error_code EC =
+          OwningObject->getRvaPtr(ExportTable->OrdinalTableRVA, IntPtr))
+    return EC;
+  const ulittle16_t *Start = reinterpret_cast<const ulittle16_t *>(IntPtr);
+
+  uint32_t NumEntries = ExportTable->NumberOfNamePointers;
+  int Offset = 0;
+  for (const ulittle16_t *I = Start, *E = Start + NumEntries;
+       I < E; ++I, ++Offset) {
+    if (*I != Index)
+      continue;
+    if (std::error_code EC =
+            OwningObject->getRvaPtr(ExportTable->NamePointerRVA, IntPtr))
+      return EC;
+    const ulittle32_t *NamePtr = reinterpret_cast<const ulittle32_t *>(IntPtr);
+    if (std::error_code EC = OwningObject->getRvaPtr(NamePtr[Offset], IntPtr))
+      return EC;
+    Result = StringRef(reinterpret_cast<const char *>(IntPtr));
+    return object_error::success;
+  }
+  Result = "";
+  return object_error::success;
+}
+
+ErrorOr<ObjectFile *>
+ObjectFile::createCOFFObjectFile(std::unique_ptr<MemoryBuffer> Object) {
+  std::error_code EC;
+  std::unique_ptr<COFFObjectFile> Ret(
+      new COFFObjectFile(std::move(Object), EC));
+  if (EC)
+    return EC;
+  return Ret.release();
+}
diff --git a/contrib/llvm/lib/Object/COFFYAML.cpp b/contrib/llvm/lib/Object/COFFYAML.cpp
new file mode 100644
index 0000000..49c5dda
--- /dev/null
+++ b/contrib/llvm/lib/Object/COFFYAML.cpp
@@ -0,0 +1,395 @@
+//===- COFFYAML.cpp - COFF YAMLIO implementation --------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines classes for handling the YAML representation of COFF.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/COFFYAML.h"
+
+#define ECase(X) IO.enumCase(Value, #X, COFF::X);
+namespace llvm {
+
+namespace COFFYAML {
+Section::Section() { memset(&Header, 0, sizeof(COFF::section)); }
+Symbol::Symbol() { memset(&Header, 0, sizeof(COFF::symbol)); }
+Object::Object() { memset(&Header, 0, sizeof(COFF::header)); }
+}
+
+namespace yaml {
+void ScalarEnumerationTraits<COFFYAML::COMDATType>::enumeration(
+    IO &IO, COFFYAML::COMDATType &Value) {
+  IO.enumCase(Value, "0", 0);
+  ECase(IMAGE_COMDAT_SELECT_NODUPLICATES);
+  ECase(IMAGE_COMDAT_SELECT_ANY);
+  ECase(IMAGE_COMDAT_SELECT_SAME_SIZE);
+  ECase(IMAGE_COMDAT_SELECT_EXACT_MATCH);
+  ECase(IMAGE_COMDAT_SELECT_ASSOCIATIVE);
+  ECase(IMAGE_COMDAT_SELECT_LARGEST);
+  ECase(IMAGE_COMDAT_SELECT_NEWEST);
+}
+
+void
+ScalarEnumerationTraits<COFFYAML::WeakExternalCharacteristics>::enumeration(
+    IO &IO, COFFYAML::WeakExternalCharacteristics &Value) {
+  IO.enumCase(Value, "0", 0);
+  ECase(IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY);
+  ECase(IMAGE_WEAK_EXTERN_SEARCH_LIBRARY);
+  ECase(IMAGE_WEAK_EXTERN_SEARCH_ALIAS);
+}
+
+void ScalarEnumerationTraits<COFFYAML::AuxSymbolType>::enumeration(
+    IO &IO, COFFYAML::AuxSymbolType &Value) {
+  ECase(IMAGE_AUX_SYMBOL_TYPE_TOKEN_DEF);
+}
+
+void ScalarEnumerationTraits<COFF::MachineTypes>::enumeration(
+    IO &IO, COFF::MachineTypes &Value) {
+  ECase(IMAGE_FILE_MACHINE_UNKNOWN);
+  ECase(IMAGE_FILE_MACHINE_AM33);
+  ECase(IMAGE_FILE_MACHINE_AMD64);
+  ECase(IMAGE_FILE_MACHINE_ARM);
+  ECase(IMAGE_FILE_MACHINE_ARMNT);
+  ECase(IMAGE_FILE_MACHINE_EBC);
+  ECase(IMAGE_FILE_MACHINE_I386);
+  ECase(IMAGE_FILE_MACHINE_IA64);
+  ECase(IMAGE_FILE_MACHINE_M32R);
+  ECase(IMAGE_FILE_MACHINE_MIPS16);
+  ECase(IMAGE_FILE_MACHINE_MIPSFPU);
+  ECase(IMAGE_FILE_MACHINE_MIPSFPU16);
+  ECase(IMAGE_FILE_MACHINE_POWERPC);
+  ECase(IMAGE_FILE_MACHINE_POWERPCFP);
+  ECase(IMAGE_FILE_MACHINE_R4000);
+  ECase(IMAGE_FILE_MACHINE_SH3);
+  ECase(IMAGE_FILE_MACHINE_SH3DSP);
+  ECase(IMAGE_FILE_MACHINE_SH4);
+  ECase(IMAGE_FILE_MACHINE_SH5);
+  ECase(IMAGE_FILE_MACHINE_THUMB);
+  ECase(IMAGE_FILE_MACHINE_WCEMIPSV2);
+}
+
+void ScalarEnumerationTraits<COFF::SymbolBaseType>::enumeration(
+    IO &IO, COFF::SymbolBaseType &Value) {
+  ECase(IMAGE_SYM_TYPE_NULL);
+  ECase(IMAGE_SYM_TYPE_VOID);
+  ECase(IMAGE_SYM_TYPE_CHAR);
+  ECase(IMAGE_SYM_TYPE_SHORT);
+  ECase(IMAGE_SYM_TYPE_INT);
+  ECase(IMAGE_SYM_TYPE_LONG);
+  ECase(IMAGE_SYM_TYPE_FLOAT);
+  ECase(IMAGE_SYM_TYPE_DOUBLE);
+  ECase(IMAGE_SYM_TYPE_STRUCT);
+  ECase(IMAGE_SYM_TYPE_UNION);
+  ECase(IMAGE_SYM_TYPE_ENUM);
+  ECase(IMAGE_SYM_TYPE_MOE);
+  ECase(IMAGE_SYM_TYPE_BYTE);
+  ECase(IMAGE_SYM_TYPE_WORD);
+  ECase(IMAGE_SYM_TYPE_UINT);
+  ECase(IMAGE_SYM_TYPE_DWORD);
+}
+
+void ScalarEnumerationTraits<COFF::SymbolStorageClass>::enumeration(
+    IO &IO, COFF::SymbolStorageClass &Value) {
+  ECase(IMAGE_SYM_CLASS_END_OF_FUNCTION);
+  ECase(IMAGE_SYM_CLASS_NULL);
+  ECase(IMAGE_SYM_CLASS_AUTOMATIC);
+  ECase(IMAGE_SYM_CLASS_EXTERNAL);
+  ECase(IMAGE_SYM_CLASS_STATIC);
+  ECase(IMAGE_SYM_CLASS_REGISTER);
+  ECase(IMAGE_SYM_CLASS_EXTERNAL_DEF);
+  ECase(IMAGE_SYM_CLASS_LABEL);
+  ECase(IMAGE_SYM_CLASS_UNDEFINED_LABEL);
+  ECase(IMAGE_SYM_CLASS_MEMBER_OF_STRUCT);
+  ECase(IMAGE_SYM_CLASS_ARGUMENT);
+  ECase(IMAGE_SYM_CLASS_STRUCT_TAG);
+  ECase(IMAGE_SYM_CLASS_MEMBER_OF_UNION);
+  ECase(IMAGE_SYM_CLASS_UNION_TAG);
+  ECase(IMAGE_SYM_CLASS_TYPE_DEFINITION);
+  ECase(IMAGE_SYM_CLASS_UNDEFINED_STATIC);
+  ECase(IMAGE_SYM_CLASS_ENUM_TAG);
+  ECase(IMAGE_SYM_CLASS_MEMBER_OF_ENUM);
+  ECase(IMAGE_SYM_CLASS_REGISTER_PARAM);
+  ECase(IMAGE_SYM_CLASS_BIT_FIELD);
+  ECase(IMAGE_SYM_CLASS_BLOCK);
+  ECase(IMAGE_SYM_CLASS_FUNCTION);
+  ECase(IMAGE_SYM_CLASS_END_OF_STRUCT);
+  ECase(IMAGE_SYM_CLASS_FILE);
+  ECase(IMAGE_SYM_CLASS_SECTION);
+  ECase(IMAGE_SYM_CLASS_WEAK_EXTERNAL);
+  ECase(IMAGE_SYM_CLASS_CLR_TOKEN);
+}
+
+void ScalarEnumerationTraits<COFF::SymbolComplexType>::enumeration(
+    IO &IO, COFF::SymbolComplexType &Value) {
+  ECase(IMAGE_SYM_DTYPE_NULL);
+  ECase(IMAGE_SYM_DTYPE_POINTER);
+  ECase(IMAGE_SYM_DTYPE_FUNCTION);
+  ECase(IMAGE_SYM_DTYPE_ARRAY);
+}
+
+void ScalarEnumerationTraits<COFF::RelocationTypeI386>::enumeration(
+    IO &IO, COFF::RelocationTypeI386 &Value) {
+  ECase(IMAGE_REL_I386_ABSOLUTE);
+  ECase(IMAGE_REL_I386_DIR16);
+  ECase(IMAGE_REL_I386_REL16);
+  ECase(IMAGE_REL_I386_DIR32);
+  ECase(IMAGE_REL_I386_DIR32NB);
+  ECase(IMAGE_REL_I386_SEG12);
+  ECase(IMAGE_REL_I386_SECTION);
+  ECase(IMAGE_REL_I386_SECREL);
+  ECase(IMAGE_REL_I386_TOKEN);
+  ECase(IMAGE_REL_I386_SECREL7);
+  ECase(IMAGE_REL_I386_REL32);
+}
+
+void ScalarEnumerationTraits<COFF::RelocationTypeAMD64>::enumeration(
+    IO &IO, COFF::RelocationTypeAMD64 &Value) {
+  ECase(IMAGE_REL_AMD64_ABSOLUTE);
+  ECase(IMAGE_REL_AMD64_ADDR64);
+  ECase(IMAGE_REL_AMD64_ADDR32);
+  ECase(IMAGE_REL_AMD64_ADDR32NB);
+  ECase(IMAGE_REL_AMD64_REL32);
+  ECase(IMAGE_REL_AMD64_REL32_1);
+  ECase(IMAGE_REL_AMD64_REL32_2);
+  ECase(IMAGE_REL_AMD64_REL32_3);
+  ECase(IMAGE_REL_AMD64_REL32_4);
+  ECase(IMAGE_REL_AMD64_REL32_5);
+  ECase(IMAGE_REL_AMD64_SECTION);
+  ECase(IMAGE_REL_AMD64_SECREL);
+  ECase(IMAGE_REL_AMD64_SECREL7);
+  ECase(IMAGE_REL_AMD64_TOKEN);
+  ECase(IMAGE_REL_AMD64_SREL32);
+  ECase(IMAGE_REL_AMD64_PAIR);
+  ECase(IMAGE_REL_AMD64_SSPAN32);
+}
+#undef ECase
+
+#define BCase(X) IO.bitSetCase(Value, #X, COFF::X);
+void ScalarBitSetTraits<COFF::Characteristics>::bitset(
+    IO &IO, COFF::Characteristics &Value) {
+  BCase(IMAGE_FILE_RELOCS_STRIPPED);
+  BCase(IMAGE_FILE_EXECUTABLE_IMAGE);
+  BCase(IMAGE_FILE_LINE_NUMS_STRIPPED);
+  BCase(IMAGE_FILE_LOCAL_SYMS_STRIPPED);
+  BCase(IMAGE_FILE_AGGRESSIVE_WS_TRIM);
+  BCase(IMAGE_FILE_LARGE_ADDRESS_AWARE);
+  BCase(IMAGE_FILE_BYTES_REVERSED_LO);
+  BCase(IMAGE_FILE_32BIT_MACHINE);
+  BCase(IMAGE_FILE_DEBUG_STRIPPED);
+  BCase(IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP);
+  BCase(IMAGE_FILE_NET_RUN_FROM_SWAP);
+  BCase(IMAGE_FILE_SYSTEM);
+  BCase(IMAGE_FILE_DLL);
+  BCase(IMAGE_FILE_UP_SYSTEM_ONLY);
+  BCase(IMAGE_FILE_BYTES_REVERSED_HI);
+}
+
+void ScalarBitSetTraits<COFF::SectionCharacteristics>::bitset(
+    IO &IO, COFF::SectionCharacteristics &Value) {
+  BCase(IMAGE_SCN_TYPE_NO_PAD);
+  BCase(IMAGE_SCN_CNT_CODE);
+  BCase(IMAGE_SCN_CNT_INITIALIZED_DATA);
+  BCase(IMAGE_SCN_CNT_UNINITIALIZED_DATA);
+  BCase(IMAGE_SCN_LNK_OTHER);
+  BCase(IMAGE_SCN_LNK_INFO);
+  BCase(IMAGE_SCN_LNK_REMOVE);
+  BCase(IMAGE_SCN_LNK_COMDAT);
+  BCase(IMAGE_SCN_GPREL);
+  BCase(IMAGE_SCN_MEM_PURGEABLE);
+  BCase(IMAGE_SCN_MEM_16BIT);
+  BCase(IMAGE_SCN_MEM_LOCKED);
+  BCase(IMAGE_SCN_MEM_PRELOAD);
+  BCase(IMAGE_SCN_LNK_NRELOC_OVFL);
+  BCase(IMAGE_SCN_MEM_DISCARDABLE);
+  BCase(IMAGE_SCN_MEM_NOT_CACHED);
+  BCase(IMAGE_SCN_MEM_NOT_PAGED);
+  BCase(IMAGE_SCN_MEM_SHARED);
+  BCase(IMAGE_SCN_MEM_EXECUTE);
+  BCase(IMAGE_SCN_MEM_READ);
+  BCase(IMAGE_SCN_MEM_WRITE);
+}
+#undef BCase
+
+namespace {
+struct NSectionSelectionType {
+  NSectionSelectionType(IO &)
+      : SelectionType(COFFYAML::COMDATType(0)) {}
+  NSectionSelectionType(IO &, uint8_t C)
+      : SelectionType(COFFYAML::COMDATType(C)) {}
+  uint8_t denormalize(IO &) { return SelectionType; }
+  COFFYAML::COMDATType SelectionType;
+};
+
+struct NWeakExternalCharacteristics {
+  NWeakExternalCharacteristics(IO &)
+      : Characteristics(COFFYAML::WeakExternalCharacteristics(0)) {}
+  NWeakExternalCharacteristics(IO &, uint32_t C)
+      : Characteristics(COFFYAML::WeakExternalCharacteristics(C)) {}
+  uint32_t denormalize(IO &) { return Characteristics; }
+  COFFYAML::WeakExternalCharacteristics Characteristics;
+};
+
+struct NSectionCharacteristics {
+  NSectionCharacteristics(IO &)
+      : Characteristics(COFF::SectionCharacteristics(0)) {}
+  NSectionCharacteristics(IO &, uint32_t C)
+      : Characteristics(COFF::SectionCharacteristics(C)) {}
+  uint32_t denormalize(IO &) { return Characteristics; }
+  COFF::SectionCharacteristics Characteristics;
+};
+
+struct NAuxTokenType {
+  NAuxTokenType(IO &)
+      : AuxType(COFFYAML::AuxSymbolType(0)) {}
+  NAuxTokenType(IO &, uint8_t C)
+      : AuxType(COFFYAML::AuxSymbolType(C)) {}
+  uint32_t denormalize(IO &) { return AuxType; }
+  COFFYAML::AuxSymbolType AuxType;
+};
+
+struct NStorageClass {
+  NStorageClass(IO &) : StorageClass(COFF::SymbolStorageClass(0)) {}
+  NStorageClass(IO &, uint8_t S) : StorageClass(COFF::SymbolStorageClass(S)) {}
+  uint8_t denormalize(IO &) { return StorageClass; }
+
+  COFF::SymbolStorageClass StorageClass;
+};
+
+struct NMachine {
+  NMachine(IO &) : Machine(COFF::MachineTypes(0)) {}
+  NMachine(IO &, uint16_t M) : Machine(COFF::MachineTypes(M)) {}
+  uint16_t denormalize(IO &) { return Machine; }
+  COFF::MachineTypes Machine;
+};
+
+struct NHeaderCharacteristics {
+  NHeaderCharacteristics(IO &) : Characteristics(COFF::Characteristics(0)) {}
+  NHeaderCharacteristics(IO &, uint16_t C)
+      : Characteristics(COFF::Characteristics(C)) {}
+  uint16_t denormalize(IO &) { return Characteristics; }
+
+  COFF::Characteristics Characteristics;
+};
+
+template <typename RelocType>
+struct NType {
+  NType(IO &) : Type(RelocType(0)) {}
+  NType(IO &, uint16_t T) : Type(RelocType(T)) {}
+  uint16_t denormalize(IO &) { return Type; }
+  RelocType Type;
+};
+
+}
+
+void MappingTraits<COFFYAML::Relocation>::mapping(IO &IO,
+                                                  COFFYAML::Relocation &Rel) {
+  IO.mapRequired("VirtualAddress", Rel.VirtualAddress);
+  IO.mapRequired("SymbolName", Rel.SymbolName);
+
+  COFF::header &H = *static_cast<COFF::header *>(IO.getContext());
+  if (H.Machine == COFF::IMAGE_FILE_MACHINE_I386) {
+    MappingNormalization<NType<COFF::RelocationTypeI386>, uint16_t> NT(
+        IO, Rel.Type);
+    IO.mapRequired("Type", NT->Type);
+  } else if (H.Machine == COFF::IMAGE_FILE_MACHINE_AMD64) {
+    MappingNormalization<NType<COFF::RelocationTypeAMD64>, uint16_t> NT(
+        IO, Rel.Type);
+    IO.mapRequired("Type", NT->Type);
+  } else {
+    IO.mapRequired("Type", Rel.Type);
+  }
+}
+
+void MappingTraits<COFF::header>::mapping(IO &IO, COFF::header &H) {
+  MappingNormalization<NMachine, uint16_t> NM(IO, H.Machine);
+  MappingNormalization<NHeaderCharacteristics, uint16_t> NC(IO,
+                                                            H.Characteristics);
+
+  IO.mapRequired("Machine", NM->Machine);
+  IO.mapOptional("Characteristics", NC->Characteristics);
+  IO.setContext(static_cast<void *>(&H));
+}
+
+void MappingTraits<COFF::AuxiliaryFunctionDefinition>::mapping(
+    IO &IO, COFF::AuxiliaryFunctionDefinition &AFD) {
+  IO.mapRequired("TagIndex", AFD.TagIndex);
+  IO.mapRequired("TotalSize", AFD.TotalSize);
+  IO.mapRequired("PointerToLinenumber", AFD.PointerToLinenumber);
+  IO.mapRequired("PointerToNextFunction", AFD.PointerToNextFunction);
+}
+
+void MappingTraits<COFF::AuxiliarybfAndefSymbol>::mapping(
+    IO &IO, COFF::AuxiliarybfAndefSymbol &AAS) {
+  IO.mapRequired("Linenumber", AAS.Linenumber);
+  IO.mapRequired("PointerToNextFunction", AAS.PointerToNextFunction);
+}
+
+void MappingTraits<COFF::AuxiliaryWeakExternal>::mapping(
+    IO &IO, COFF::AuxiliaryWeakExternal &AWE) {
+  MappingNormalization<NWeakExternalCharacteristics, uint32_t> NWEC(
+      IO, AWE.Characteristics);
+  IO.mapRequired("TagIndex", AWE.TagIndex);
+  IO.mapRequired("Characteristics", NWEC->Characteristics);
+}
+
+void MappingTraits<COFF::AuxiliarySectionDefinition>::mapping(
+    IO &IO, COFF::AuxiliarySectionDefinition &ASD) {
+  MappingNormalization<NSectionSelectionType, uint8_t> NSST(
+      IO, ASD.Selection);
+
+  IO.mapRequired("Length", ASD.Length);
+  IO.mapRequired("NumberOfRelocations", ASD.NumberOfRelocations);
+  IO.mapRequired("NumberOfLinenumbers", ASD.NumberOfLinenumbers);
+  IO.mapRequired("CheckSum", ASD.CheckSum);
+  IO.mapRequired("Number", ASD.Number);
+  IO.mapOptional("Selection", NSST->SelectionType, COFFYAML::COMDATType(0));
+}
+
+void MappingTraits<COFF::AuxiliaryCLRToken>::mapping(
+    IO &IO, COFF::AuxiliaryCLRToken &ACT) {
+  MappingNormalization<NAuxTokenType, uint8_t> NATT(IO, ACT.AuxType);
+  IO.mapRequired("AuxType", NATT->AuxType);
+  IO.mapRequired("SymbolTableIndex", ACT.SymbolTableIndex);
+}
+
+void MappingTraits<COFFYAML::Symbol>::mapping(IO &IO, COFFYAML::Symbol &S) {
+  MappingNormalization<NStorageClass, uint8_t> NS(IO, S.Header.StorageClass);
+
+  IO.mapRequired("Name", S.Name);
+  IO.mapRequired("Value", S.Header.Value);
+  IO.mapRequired("SectionNumber", S.Header.SectionNumber);
+  IO.mapRequired("SimpleType", S.SimpleType);
+  IO.mapRequired("ComplexType", S.ComplexType);
+  IO.mapRequired("StorageClass", NS->StorageClass);
+  IO.mapOptional("FunctionDefinition", S.FunctionDefinition);
+  IO.mapOptional("bfAndefSymbol", S.bfAndefSymbol);
+  IO.mapOptional("WeakExternal", S.WeakExternal);
+  IO.mapOptional("File", S.File, StringRef());
+  IO.mapOptional("SectionDefinition", S.SectionDefinition);
+  IO.mapOptional("CLRToken", S.CLRToken);
+}
+
+void MappingTraits<COFFYAML::Section>::mapping(IO &IO, COFFYAML::Section &Sec) {
+  MappingNormalization<NSectionCharacteristics, uint32_t> NC(
+      IO, Sec.Header.Characteristics);
+  IO.mapRequired("Name", Sec.Name);
+  IO.mapRequired("Characteristics", NC->Characteristics);
+  IO.mapOptional("Alignment", Sec.Alignment);
+  IO.mapRequired("SectionData", Sec.SectionData);
+  IO.mapOptional("Relocations", Sec.Relocations);
+}
+
+void MappingTraits<COFFYAML::Object>::mapping(IO &IO, COFFYAML::Object &Obj) {
+  IO.mapRequired("header", Obj.Header);
+  IO.mapRequired("sections", Obj.Sections);
+  IO.mapRequired("symbols", Obj.Symbols);
+}
+
+}
+}
diff --git a/contrib/llvm/lib/Object/ELF.cpp b/contrib/llvm/lib/Object/ELF.cpp
new file mode 100644
index 0000000..a2e2eed
--- /dev/null
+++ b/contrib/llvm/lib/Object/ELF.cpp
@@ -0,0 +1,833 @@
+//===- ELF.cpp - ELF 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.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/ELF.h"
+
+namespace llvm {
+namespace object {
+
+#define LLVM_ELF_SWITCH_RELOC_TYPE_NAME(enum)                                  \
+  case ELF::enum:                                                              \
+    return #enum;                                                              \
+
+StringRef getELFRelocationTypeName(uint32_t Machine, uint32_t Type) {
+  switch (Machine) {
+  case ELF::EM_X86_64:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PLT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_JUMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_RELATIVE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_32S);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPMOD64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPOFF64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TPOFF64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSGD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSLD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_DTPOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTTPOFF);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TPOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTOFF64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOT64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPCREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPLT64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PLTOFF64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_SIZE32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_SIZE64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32_TLSDESC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_IRELATIVE);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_386:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PLT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_JUMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_RELATIVE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOTOFF);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_GOTPC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32PLT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_TPOFF);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_IE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GOTIE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_PUSH);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GD_POP);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_PUSH);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDM_POP);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LDO_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_IE_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_LE_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DTPMOD32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DTPOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_TPOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_GOTDESC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_IRELATIVE);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_MIPS:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_REL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_26);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GPREL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_LITERAL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PC16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GPREL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SHIFT5);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SHIFT6);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_DISP);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_PAGE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_OFST);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SUB);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_INSERT_A);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_INSERT_B);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_DELETE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HIGHER);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HIGHEST);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SCN_DISP);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_REL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_ADD_IMMEDIATE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PJUMP);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_RELGOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_JALR);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPMOD32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPMOD64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_GD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_LDM);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_GOTTPREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PC21_S2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PC26_S2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PC18_S3);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PC19_S2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PCHI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PCLO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS16_GOT16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS16_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS16_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_JUMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_26_S1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_GOT16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_PC16_S1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_CALL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_GOT_DISP);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_GOT_PAGE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_GOT_OFST);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_TLS_GD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_TLS_LDM);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_TLS_DTPREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_TLS_DTPREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_TLS_TPREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MICROMIPS_TLS_TPREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_NUM);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PC32);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_AARCH64:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G0_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G1_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G2_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G3);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LD_PREL_LO19);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_PREL_LO21);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_PREL_PG_HI21);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADD_ABS_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST8_ABS_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TSTBR14);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_CONDBR19);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_JUMP26);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_CALL26);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST16_ABS_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST32_ABS_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST64_ABS_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST128_ABS_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_GOTREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_GOTREL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_GOT_PAGE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LD64_GOT_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_HI12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST8_DTPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST16_DTPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST32_DTPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST64_DTPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_MOVW_GOTTPREL_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_LD_GOTTPREL_PREL19);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G1_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G0_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_HI12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST8_TPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST16_TPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST32_TPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST64_TPREL_LO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADR_PAGE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_LD64_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADD_LO12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_JUMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_RELATIVE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLS_DTPREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLS_DTPMOD64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLS_TPREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_IRELATIVE);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_ARM:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PC24);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ABS5);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BREL_ADJ);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_SWI8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_XPC25);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_XPC22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPMOD32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_TPOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_RELATIVE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_PREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP24);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP24);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_ABS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_7_0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_15_8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_23_15);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SBREL_11_0_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_19_12_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_27_20_CK);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL31);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_V4BX);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PREL31);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_ABS_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_ABS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_PREL_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_PREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_ABS_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_ABS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_PREL_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_PREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP19);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP6);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ALU_PREL_11_0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32_NOI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32_NOI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_BREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL_NC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_BREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GOTDESC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESCSEQ);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32_ABS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_ABS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_PREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTRELAX);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTENTRY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTINHERIT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP11);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GD32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDM32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE12GP);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_3);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_4);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_5);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_6);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_7);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_9);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_11);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_13);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_14);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_15);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ME_TOO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ32);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_HEXAGON:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_0);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_1);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_2);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_3);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B32_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_12_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_10_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_9_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_7_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_JMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_RELATIVE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_PLT_B22_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPMOD_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_PLT_B22_PCREL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_LO16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_HI16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_PCREL_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_11_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32_6_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16_X);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_11_X);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_PPC:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR24);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR14);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR14_BRTAKEN);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_ADDR14_BRNTAKEN);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL24);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL14);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL14_BRTAKEN);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL14_BRNTAKEN);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_PLTREL24);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_JMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_LOCAL24PC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_TLS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_DTPMOD32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_TPREL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_TPREL16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_TPREL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_TPREL16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_TPREL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_DTPREL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_DTPREL16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_DTPREL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_DTPREL16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_DTPREL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TLSGD16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TLSGD16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TLSGD16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TLSGD16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TLSLD16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TLSLD16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TLSLD16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TLSLD16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TPREL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TPREL16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TPREL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_TPREL16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_DTPREL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_DTPREL16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_DTPREL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_GOT_DTPREL16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_TLSGD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_TLSLD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC_REL16_HA);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_PPC64:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR24);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR14);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR14_BRTAKEN);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR14_BRNTAKEN);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL24);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL14);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL14_BRTAKEN);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL14_BRNTAKEN);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_JMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_HIGHER);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_HIGHERA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_HIGHEST);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_HIGHESTA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TOC16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TOC16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TOC16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TOC16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TOC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_ADDR16_LO_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT16_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT16_LO_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TOC16_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TOC16_LO_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TLS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPMOD64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TLSGD16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TLSGD16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TLSGD16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TLSGD16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TLSLD16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TLSLD16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TLSLD16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TLSLD16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TPREL16_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TPREL16_LO_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TPREL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_TPREL16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_DTPREL16_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_DTPREL16_LO_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_DTPREL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_GOT_DTPREL16_HA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_LO_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_HIGHER);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_HIGHERA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_HIGHEST);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TPREL16_HIGHESTA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_LO_DS);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_HIGHER);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_HIGHERA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_HIGHEST);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_DTPREL16_HIGHESTA);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TLSGD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_TLSLD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL16_LO);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL16_HI);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_PPC64_REL16_HA);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_S390:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PC32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOT12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PLT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_JMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_RELATIVE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTOFF);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTPC);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOT16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PC16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PC16DBL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PLT16DBL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PC32DBL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PLT32DBL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTPCDBL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PC64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOT64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PLT64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTENT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTOFF16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTOFF64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTPLT12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTPLT16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTPLT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTPLT64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTPLTENT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PLTOFF16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PLTOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_PLTOFF64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_LOAD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_GDCALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_LDCALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_GD32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_GD64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_GOTIE12);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_GOTIE32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_GOTIE64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_LDM32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_LDM64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_IE32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_IE64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_IEENT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_LE32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_LE64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_LDO32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_LDO64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_DTPMOD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_DTPOFF);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_TPOFF);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_20);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOT20);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_GOTPLT20);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_TLS_GOTIE20);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_390_IRELATIVE);
+    default:
+      break;
+    }
+    break;
+  case ELF::EM_SPARC:
+  case ELF::EM_SPARC32PLUS:
+  case ELF::EM_SPARCV9:
+    switch (Type) {
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_NONE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_DISP8);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_DISP16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_DISP32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_WDISP30);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_WDISP22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_HI22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_13);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_LO10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GOT10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GOT13);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GOT22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PC10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PC22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_WPLT30);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_COPY);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GLOB_DAT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_JMP_SLOT);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_RELATIVE);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_UA32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PLT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_HIPLT22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_LOPLT10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PCPLT32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PCPLT22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PCPLT10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_11);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_OLO10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_HH22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_HM10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_LM22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PC_HH22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PC_HM10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PC_LM22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_WDISP16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_WDISP19);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_7);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_5);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_6);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_DISP64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_PLT64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_HIX22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_LOX10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_H44);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_M44);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_L44);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_REGISTER);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_UA64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_UA16);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_GD_HI22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_GD_LO10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_GD_ADD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_GD_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LDM_HI22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LDM_LO10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LDM_ADD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LDM_CALL);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LDO_HIX22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LDO_LOX10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LDO_ADD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_IE_HI22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_IE_LO10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_IE_LD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_IE_LDX);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_IE_ADD);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LE_HIX22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_LE_LOX10);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_DTPMOD32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_DTPMOD64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_DTPOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_DTPOFF64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_TPOFF32);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_TLS_TPOFF64);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GOTDATA_HIX22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GOTDATA_LOX22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GOTDATA_OP_HIX22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GOTDATA_OP_LOX22);
+      LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_SPARC_GOTDATA_OP);
+    default:
+      break;
+    }
+    break;
+  default:
+    break;
+  }
+  return "Unknown";
+}
+
+#undef LLVM_ELF_SWITCH_RELOC_TYPE_NAME
+
+} // end namespace object
+} // end namespace llvm
diff --git a/contrib/llvm/lib/Object/ELFObjectFile.cpp b/contrib/llvm/lib/Object/ELFObjectFile.cpp
new file mode 100644
index 0000000..4f0f60b
--- /dev/null
+++ b/contrib/llvm/lib/Object/ELFObjectFile.cpp
@@ -0,0 +1,86 @@
+//===- ELFObjectFile.cpp - ELF 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.
+//
+//===----------------------------------------------------------------------===//
+//
+// Part of the ELFObjectFile class implementation.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/ELFObjectFile.h"
+#include "llvm/Support/MathExtras.h"
+
+namespace llvm {
+using namespace object;
+
+ErrorOr<ObjectFile *>
+ObjectFile::createELFObjectFile(std::unique_ptr<MemoryBuffer> &Obj) {
+  std::pair<unsigned char, unsigned char> Ident =
+      getElfArchType(Obj->getBuffer());
+  std::size_t MaxAlignment =
+    1ULL << countTrailingZeros(uintptr_t(Obj->getBufferStart()));
+
+  std::error_code EC;
+  std::unique_ptr<ObjectFile> R;
+  if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2LSB)
+#if !LLVM_IS_UNALIGNED_ACCESS_FAST
+    if (MaxAlignment >= 4)
+      R.reset(new ELFObjectFile<ELFType<support::little, 4, false>>(
+          std::move(Obj), EC));
+    else
+#endif
+    if (MaxAlignment >= 2)
+      R.reset(new ELFObjectFile<ELFType<support::little, 2, false>>(
+          std::move(Obj), EC));
+    else
+      return object_error::parse_failed;
+  else if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2MSB)
+#if !LLVM_IS_UNALIGNED_ACCESS_FAST
+    if (MaxAlignment >= 4)
+      R.reset(new ELFObjectFile<ELFType<support::big, 4, false>>(std::move(Obj),
+                                                                 EC));
+    else
+#endif
+    if (MaxAlignment >= 2)
+      R.reset(new ELFObjectFile<ELFType<support::big, 2, false>>(std::move(Obj),
+                                                                 EC));
+    else
+      return object_error::parse_failed;
+  else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2MSB)
+#if !LLVM_IS_UNALIGNED_ACCESS_FAST
+    if (MaxAlignment >= 8)
+      R.reset(new ELFObjectFile<ELFType<support::big, 8, true>>(std::move(Obj),
+                                                                EC));
+    else
+#endif
+    if (MaxAlignment >= 2)
+      R.reset(new ELFObjectFile<ELFType<support::big, 2, true>>(std::move(Obj),
+                                                                EC));
+    else
+      return object_error::parse_failed;
+  else if (Ident.first == ELF::ELFCLASS64 && Ident.second == ELF::ELFDATA2LSB) {
+#if !LLVM_IS_UNALIGNED_ACCESS_FAST
+    if (MaxAlignment >= 8)
+      R.reset(new ELFObjectFile<ELFType<support::little, 8, true>>(
+          std::move(Obj), EC));
+    else
+#endif
+    if (MaxAlignment >= 2)
+      R.reset(new ELFObjectFile<ELFType<support::little, 2, true>>(
+          std::move(Obj), EC));
+    else
+      return object_error::parse_failed;
+  }
+  else
+    llvm_unreachable("Buffer is not an ELF object file!");
+
+  if (EC)
+    return EC;
+  return R.release();
+}
+
+} // end namespace llvm
diff --git a/contrib/llvm/lib/Object/ELFYAML.cpp b/contrib/llvm/lib/Object/ELFYAML.cpp
new file mode 100644
index 0000000..6340841
--- /dev/null
+++ b/contrib/llvm/lib/Object/ELFYAML.cpp
@@ -0,0 +1,757 @@
+//===- ELFYAML.cpp - ELF YAMLIO implementation ----------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines classes for handling the YAML representation of ELF.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/ELFYAML.h"
+#include "llvm/Support/Casting.h"
+
+namespace llvm {
+
+ELFYAML::Section::~Section() {}
+
+namespace yaml {
+
+void
+ScalarEnumerationTraits<ELFYAML::ELF_ET>::enumeration(IO &IO,
+                                                      ELFYAML::ELF_ET &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  ECase(ET_NONE)
+  ECase(ET_REL)
+  ECase(ET_EXEC)
+  ECase(ET_DYN)
+  ECase(ET_CORE)
+#undef ECase
+}
+
+void
+ScalarEnumerationTraits<ELFYAML::ELF_EM>::enumeration(IO &IO,
+                                                      ELFYAML::ELF_EM &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  ECase(EM_NONE)
+  ECase(EM_M32)
+  ECase(EM_SPARC)
+  ECase(EM_386)
+  ECase(EM_68K)
+  ECase(EM_88K)
+  ECase(EM_486)
+  ECase(EM_860)
+  ECase(EM_MIPS)
+  ECase(EM_S370)
+  ECase(EM_MIPS_RS3_LE)
+  ECase(EM_PARISC)
+  ECase(EM_VPP500)
+  ECase(EM_SPARC32PLUS)
+  ECase(EM_960)
+  ECase(EM_PPC)
+  ECase(EM_PPC64)
+  ECase(EM_S390)
+  ECase(EM_SPU)
+  ECase(EM_V800)
+  ECase(EM_FR20)
+  ECase(EM_RH32)
+  ECase(EM_RCE)
+  ECase(EM_ARM)
+  ECase(EM_ALPHA)
+  ECase(EM_SH)
+  ECase(EM_SPARCV9)
+  ECase(EM_TRICORE)
+  ECase(EM_ARC)
+  ECase(EM_H8_300)
+  ECase(EM_H8_300H)
+  ECase(EM_H8S)
+  ECase(EM_H8_500)
+  ECase(EM_IA_64)
+  ECase(EM_MIPS_X)
+  ECase(EM_COLDFIRE)
+  ECase(EM_68HC12)
+  ECase(EM_MMA)
+  ECase(EM_PCP)
+  ECase(EM_NCPU)
+  ECase(EM_NDR1)
+  ECase(EM_STARCORE)
+  ECase(EM_ME16)
+  ECase(EM_ST100)
+  ECase(EM_TINYJ)
+  ECase(EM_X86_64)
+  ECase(EM_PDSP)
+  ECase(EM_PDP10)
+  ECase(EM_PDP11)
+  ECase(EM_FX66)
+  ECase(EM_ST9PLUS)
+  ECase(EM_ST7)
+  ECase(EM_68HC16)
+  ECase(EM_68HC11)
+  ECase(EM_68HC08)
+  ECase(EM_68HC05)
+  ECase(EM_SVX)
+  ECase(EM_ST19)
+  ECase(EM_VAX)
+  ECase(EM_CRIS)
+  ECase(EM_JAVELIN)
+  ECase(EM_FIREPATH)
+  ECase(EM_ZSP)
+  ECase(EM_MMIX)
+  ECase(EM_HUANY)
+  ECase(EM_PRISM)
+  ECase(EM_AVR)
+  ECase(EM_FR30)
+  ECase(EM_D10V)
+  ECase(EM_D30V)
+  ECase(EM_V850)
+  ECase(EM_M32R)
+  ECase(EM_MN10300)
+  ECase(EM_MN10200)
+  ECase(EM_PJ)
+  ECase(EM_OPENRISC)
+  ECase(EM_ARC_COMPACT)
+  ECase(EM_XTENSA)
+  ECase(EM_VIDEOCORE)
+  ECase(EM_TMM_GPP)
+  ECase(EM_NS32K)
+  ECase(EM_TPC)
+  ECase(EM_SNP1K)
+  ECase(EM_ST200)
+  ECase(EM_IP2K)
+  ECase(EM_MAX)
+  ECase(EM_CR)
+  ECase(EM_F2MC16)
+  ECase(EM_MSP430)
+  ECase(EM_BLACKFIN)
+  ECase(EM_SE_C33)
+  ECase(EM_SEP)
+  ECase(EM_ARCA)
+  ECase(EM_UNICORE)
+  ECase(EM_EXCESS)
+  ECase(EM_DXP)
+  ECase(EM_ALTERA_NIOS2)
+  ECase(EM_CRX)
+  ECase(EM_XGATE)
+  ECase(EM_C166)
+  ECase(EM_M16C)
+  ECase(EM_DSPIC30F)
+  ECase(EM_CE)
+  ECase(EM_M32C)
+  ECase(EM_TSK3000)
+  ECase(EM_RS08)
+  ECase(EM_SHARC)
+  ECase(EM_ECOG2)
+  ECase(EM_SCORE7)
+  ECase(EM_DSP24)
+  ECase(EM_VIDEOCORE3)
+  ECase(EM_LATTICEMICO32)
+  ECase(EM_SE_C17)
+  ECase(EM_TI_C6000)
+  ECase(EM_TI_C2000)
+  ECase(EM_TI_C5500)
+  ECase(EM_MMDSP_PLUS)
+  ECase(EM_CYPRESS_M8C)
+  ECase(EM_R32C)
+  ECase(EM_TRIMEDIA)
+  ECase(EM_HEXAGON)
+  ECase(EM_8051)
+  ECase(EM_STXP7X)
+  ECase(EM_NDS32)
+  ECase(EM_ECOG1)
+  ECase(EM_ECOG1X)
+  ECase(EM_MAXQ30)
+  ECase(EM_XIMO16)
+  ECase(EM_MANIK)
+  ECase(EM_CRAYNV2)
+  ECase(EM_RX)
+  ECase(EM_METAG)
+  ECase(EM_MCST_ELBRUS)
+  ECase(EM_ECOG16)
+  ECase(EM_CR16)
+  ECase(EM_ETPU)
+  ECase(EM_SLE9X)
+  ECase(EM_L10M)
+  ECase(EM_K10M)
+  ECase(EM_AARCH64)
+  ECase(EM_AVR32)
+  ECase(EM_STM8)
+  ECase(EM_TILE64)
+  ECase(EM_TILEPRO)
+  ECase(EM_CUDA)
+  ECase(EM_TILEGX)
+  ECase(EM_CLOUDSHIELD)
+  ECase(EM_COREA_1ST)
+  ECase(EM_COREA_2ND)
+  ECase(EM_ARC_COMPACT2)
+  ECase(EM_OPEN8)
+  ECase(EM_RL78)
+  ECase(EM_VIDEOCORE5)
+  ECase(EM_78KOR)
+  ECase(EM_56800EX)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_ELFCLASS>::enumeration(
+    IO &IO, ELFYAML::ELF_ELFCLASS &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  // Since the semantics of ELFCLASSNONE is "invalid", just don't accept it
+  // here.
+  ECase(ELFCLASS32)
+  ECase(ELFCLASS64)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_ELFDATA>::enumeration(
+    IO &IO, ELFYAML::ELF_ELFDATA &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  // Since the semantics of ELFDATANONE is "invalid", just don't accept it
+  // here.
+  ECase(ELFDATA2LSB)
+  ECase(ELFDATA2MSB)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_ELFOSABI>::enumeration(
+    IO &IO, ELFYAML::ELF_ELFOSABI &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  ECase(ELFOSABI_NONE)
+  ECase(ELFOSABI_HPUX)
+  ECase(ELFOSABI_NETBSD)
+  ECase(ELFOSABI_GNU)
+  ECase(ELFOSABI_GNU)
+  ECase(ELFOSABI_HURD)
+  ECase(ELFOSABI_SOLARIS)
+  ECase(ELFOSABI_AIX)
+  ECase(ELFOSABI_IRIX)
+  ECase(ELFOSABI_FREEBSD)
+  ECase(ELFOSABI_TRU64)
+  ECase(ELFOSABI_MODESTO)
+  ECase(ELFOSABI_OPENBSD)
+  ECase(ELFOSABI_OPENVMS)
+  ECase(ELFOSABI_NSK)
+  ECase(ELFOSABI_AROS)
+  ECase(ELFOSABI_FENIXOS)
+  ECase(ELFOSABI_C6000_ELFABI)
+  ECase(ELFOSABI_C6000_LINUX)
+  ECase(ELFOSABI_ARM)
+  ECase(ELFOSABI_STANDALONE)
+#undef ECase
+}
+
+void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
+                                                 ELFYAML::ELF_EF &Value) {
+  const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
+  assert(Object && "The IO context is not initialized");
+#define BCase(X) IO.bitSetCase(Value, #X, ELF::X);
+#define BCaseMask(X, M) IO.maskedBitSetCase(Value, #X, ELF::X, ELF::M);
+  switch (Object->Header.Machine) {
+  case ELF::EM_ARM:
+    BCase(EF_ARM_SOFT_FLOAT)
+    BCase(EF_ARM_VFP_FLOAT)
+    BCaseMask(EF_ARM_EABI_UNKNOWN, EF_ARM_EABIMASK)
+    BCaseMask(EF_ARM_EABI_VER1, EF_ARM_EABIMASK)
+    BCaseMask(EF_ARM_EABI_VER2, EF_ARM_EABIMASK)
+    BCaseMask(EF_ARM_EABI_VER3, EF_ARM_EABIMASK)
+    BCaseMask(EF_ARM_EABI_VER4, EF_ARM_EABIMASK)
+    BCaseMask(EF_ARM_EABI_VER5, EF_ARM_EABIMASK)
+    break;
+  case ELF::EM_MIPS:
+    BCase(EF_MIPS_NOREORDER)
+    BCase(EF_MIPS_PIC)
+    BCase(EF_MIPS_CPIC)
+    BCase(EF_MIPS_ABI2)
+    BCase(EF_MIPS_32BITMODE)
+    BCase(EF_MIPS_ABI_O32)
+    BCase(EF_MIPS_MICROMIPS)
+    BCase(EF_MIPS_ARCH_ASE_M16)
+    BCaseMask(EF_MIPS_ARCH_1, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_2, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_3, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_4, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_5, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_32, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_64, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_32R2, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_64R2, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_32R6, EF_MIPS_ARCH)
+    BCaseMask(EF_MIPS_ARCH_64R6, EF_MIPS_ARCH)
+    break;
+  case ELF::EM_HEXAGON:
+    BCase(EF_HEXAGON_MACH_V2)
+    BCase(EF_HEXAGON_MACH_V3)
+    BCase(EF_HEXAGON_MACH_V4)
+    BCase(EF_HEXAGON_MACH_V5)
+    BCase(EF_HEXAGON_ISA_V2)
+    BCase(EF_HEXAGON_ISA_V3)
+    BCase(EF_HEXAGON_ISA_V4)
+    BCase(EF_HEXAGON_ISA_V5)
+    break;
+  default:
+    llvm_unreachable("Unsupported architecture");
+  }
+#undef BCase
+#undef BCaseMask
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration(
+    IO &IO, ELFYAML::ELF_SHT &Value) {
+  const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
+  assert(Object && "The IO context is not initialized");
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  ECase(SHT_NULL)
+  ECase(SHT_PROGBITS)
+  // No SHT_SYMTAB. Use the top-level `Symbols` key instead.
+  // FIXME: Issue a diagnostic with this information.
+  ECase(SHT_STRTAB)
+  ECase(SHT_RELA)
+  ECase(SHT_HASH)
+  ECase(SHT_DYNAMIC)
+  ECase(SHT_NOTE)
+  ECase(SHT_NOBITS)
+  ECase(SHT_REL)
+  ECase(SHT_SHLIB)
+  ECase(SHT_DYNSYM)
+  ECase(SHT_INIT_ARRAY)
+  ECase(SHT_FINI_ARRAY)
+  ECase(SHT_PREINIT_ARRAY)
+  ECase(SHT_GROUP)
+  ECase(SHT_SYMTAB_SHNDX)
+  ECase(SHT_LOOS)
+  ECase(SHT_GNU_ATTRIBUTES)
+  ECase(SHT_GNU_HASH)
+  ECase(SHT_GNU_verdef)
+  ECase(SHT_GNU_verneed)
+  ECase(SHT_GNU_versym)
+  ECase(SHT_HIOS)
+  ECase(SHT_LOPROC)
+  switch (Object->Header.Machine) {
+  case ELF::EM_ARM:
+    ECase(SHT_ARM_EXIDX)
+    ECase(SHT_ARM_PREEMPTMAP)
+    ECase(SHT_ARM_ATTRIBUTES)
+    ECase(SHT_ARM_DEBUGOVERLAY)
+    ECase(SHT_ARM_OVERLAYSECTION)
+    break;
+  case ELF::EM_HEXAGON:
+    ECase(SHT_HEX_ORDERED)
+    break;
+  case ELF::EM_X86_64:
+    ECase(SHT_X86_64_UNWIND)
+    break;
+  case ELF::EM_MIPS:
+    ECase(SHT_MIPS_REGINFO)
+    ECase(SHT_MIPS_OPTIONS)
+    ECase(SHT_MIPS_ABIFLAGS)
+    break;
+  default:
+    // Nothing to do.
+    break;
+  }
+#undef ECase
+}
+
+void ScalarBitSetTraits<ELFYAML::ELF_SHF>::bitset(IO &IO,
+                                                  ELFYAML::ELF_SHF &Value) {
+#define BCase(X) IO.bitSetCase(Value, #X, ELF::X);
+  BCase(SHF_WRITE)
+  BCase(SHF_ALLOC)
+  BCase(SHF_EXCLUDE)
+  BCase(SHF_EXECINSTR)
+  BCase(SHF_MERGE)
+  BCase(SHF_STRINGS)
+  BCase(SHF_INFO_LINK)
+  BCase(SHF_LINK_ORDER)
+  BCase(SHF_OS_NONCONFORMING)
+  BCase(SHF_GROUP)
+  BCase(SHF_TLS)
+#undef BCase
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_STT>::enumeration(
+    IO &IO, ELFYAML::ELF_STT &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  ECase(STT_NOTYPE)
+  ECase(STT_OBJECT)
+  ECase(STT_FUNC)
+  ECase(STT_SECTION)
+  ECase(STT_FILE)
+  ECase(STT_COMMON)
+  ECase(STT_TLS)
+  ECase(STT_GNU_IFUNC)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_STV>::enumeration(
+    IO &IO, ELFYAML::ELF_STV &Value) {
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  ECase(STV_DEFAULT)
+  ECase(STV_INTERNAL)
+  ECase(STV_HIDDEN)
+  ECase(STV_PROTECTED)
+#undef ECase
+}
+
+void ScalarEnumerationTraits<ELFYAML::ELF_REL>::enumeration(
+    IO &IO, ELFYAML::ELF_REL &Value) {
+  const auto *Object = static_cast<ELFYAML::Object *>(IO.getContext());
+  assert(Object && "The IO context is not initialized");
+#define ECase(X) IO.enumCase(Value, #X, ELF::X);
+  switch (Object->Header.Machine) {
+  case ELF::EM_X86_64:
+    ECase(R_X86_64_NONE)
+    ECase(R_X86_64_64)
+    ECase(R_X86_64_PC32)
+    ECase(R_X86_64_GOT32)
+    ECase(R_X86_64_PLT32)
+    ECase(R_X86_64_COPY)
+    ECase(R_X86_64_GLOB_DAT)
+    ECase(R_X86_64_JUMP_SLOT)
+    ECase(R_X86_64_RELATIVE)
+    ECase(R_X86_64_GOTPCREL)
+    ECase(R_X86_64_32)
+    ECase(R_X86_64_32S)
+    ECase(R_X86_64_16)
+    ECase(R_X86_64_PC16)
+    ECase(R_X86_64_8)
+    ECase(R_X86_64_PC8)
+    ECase(R_X86_64_DTPMOD64)
+    ECase(R_X86_64_DTPOFF64)
+    ECase(R_X86_64_TPOFF64)
+    ECase(R_X86_64_TLSGD)
+    ECase(R_X86_64_TLSLD)
+    ECase(R_X86_64_DTPOFF32)
+    ECase(R_X86_64_GOTTPOFF)
+    ECase(R_X86_64_TPOFF32)
+    ECase(R_X86_64_PC64)
+    ECase(R_X86_64_GOTOFF64)
+    ECase(R_X86_64_GOTPC32)
+    ECase(R_X86_64_GOT64)
+    ECase(R_X86_64_GOTPCREL64)
+    ECase(R_X86_64_GOTPC64)
+    ECase(R_X86_64_GOTPLT64)
+    ECase(R_X86_64_PLTOFF64)
+    ECase(R_X86_64_SIZE32)
+    ECase(R_X86_64_SIZE64)
+    ECase(R_X86_64_GOTPC32_TLSDESC)
+    ECase(R_X86_64_TLSDESC_CALL)
+    ECase(R_X86_64_TLSDESC)
+    ECase(R_X86_64_IRELATIVE)
+    break;
+  case ELF::EM_MIPS:
+    ECase(R_MIPS_NONE)
+    ECase(R_MIPS_16)
+    ECase(R_MIPS_32)
+    ECase(R_MIPS_REL32)
+    ECase(R_MIPS_26)
+    ECase(R_MIPS_HI16)
+    ECase(R_MIPS_LO16)
+    ECase(R_MIPS_GPREL16)
+    ECase(R_MIPS_LITERAL)
+    ECase(R_MIPS_GOT16)
+    ECase(R_MIPS_PC16)
+    ECase(R_MIPS_CALL16)
+    ECase(R_MIPS_GPREL32)
+    ECase(R_MIPS_UNUSED1)
+    ECase(R_MIPS_UNUSED2)
+    ECase(R_MIPS_SHIFT5)
+    ECase(R_MIPS_SHIFT6)
+    ECase(R_MIPS_64)
+    ECase(R_MIPS_GOT_DISP)
+    ECase(R_MIPS_GOT_PAGE)
+    ECase(R_MIPS_GOT_OFST)
+    ECase(R_MIPS_GOT_HI16)
+    ECase(R_MIPS_GOT_LO16)
+    ECase(R_MIPS_SUB)
+    ECase(R_MIPS_INSERT_A)
+    ECase(R_MIPS_INSERT_B)
+    ECase(R_MIPS_DELETE)
+    ECase(R_MIPS_HIGHER)
+    ECase(R_MIPS_HIGHEST)
+    ECase(R_MIPS_CALL_HI16)
+    ECase(R_MIPS_CALL_LO16)
+    ECase(R_MIPS_SCN_DISP)
+    ECase(R_MIPS_REL16)
+    ECase(R_MIPS_ADD_IMMEDIATE)
+    ECase(R_MIPS_PJUMP)
+    ECase(R_MIPS_RELGOT)
+    ECase(R_MIPS_JALR)
+    ECase(R_MIPS_TLS_DTPMOD32)
+    ECase(R_MIPS_TLS_DTPREL32)
+    ECase(R_MIPS_TLS_DTPMOD64)
+    ECase(R_MIPS_TLS_DTPREL64)
+    ECase(R_MIPS_TLS_GD)
+    ECase(R_MIPS_TLS_LDM)
+    ECase(R_MIPS_TLS_DTPREL_HI16)
+    ECase(R_MIPS_TLS_DTPREL_LO16)
+    ECase(R_MIPS_TLS_GOTTPREL)
+    ECase(R_MIPS_TLS_TPREL32)
+    ECase(R_MIPS_TLS_TPREL64)
+    ECase(R_MIPS_TLS_TPREL_HI16)
+    ECase(R_MIPS_TLS_TPREL_LO16)
+    ECase(R_MIPS_GLOB_DAT)
+    ECase(R_MIPS_PC21_S2)
+    ECase(R_MIPS_PC26_S2)
+    ECase(R_MIPS_PC18_S3)
+    ECase(R_MIPS_PC19_S2)
+    ECase(R_MIPS_PCHI16)
+    ECase(R_MIPS_PCLO16)
+    ECase(R_MIPS16_GOT16)
+    ECase(R_MIPS16_HI16)
+    ECase(R_MIPS16_LO16)
+    ECase(R_MIPS_COPY)
+    ECase(R_MIPS_JUMP_SLOT)
+    ECase(R_MICROMIPS_26_S1)
+    ECase(R_MICROMIPS_HI16)
+    ECase(R_MICROMIPS_LO16)
+    ECase(R_MICROMIPS_GOT16)
+    ECase(R_MICROMIPS_PC16_S1)
+    ECase(R_MICROMIPS_CALL16)
+    ECase(R_MICROMIPS_GOT_DISP)
+    ECase(R_MICROMIPS_GOT_PAGE)
+    ECase(R_MICROMIPS_GOT_OFST)
+    ECase(R_MICROMIPS_TLS_GD)
+    ECase(R_MICROMIPS_TLS_LDM)
+    ECase(R_MICROMIPS_TLS_DTPREL_HI16)
+    ECase(R_MICROMIPS_TLS_DTPREL_LO16)
+    ECase(R_MICROMIPS_TLS_TPREL_HI16)
+    ECase(R_MICROMIPS_TLS_TPREL_LO16)
+    ECase(R_MIPS_NUM)
+    ECase(R_MIPS_PC32)
+    break;
+  case ELF::EM_HEXAGON:
+    ECase(R_HEX_NONE)
+    ECase(R_HEX_B22_PCREL)
+    ECase(R_HEX_B15_PCREL)
+    ECase(R_HEX_B7_PCREL)
+    ECase(R_HEX_LO16)
+    ECase(R_HEX_HI16)
+    ECase(R_HEX_32)
+    ECase(R_HEX_16)
+    ECase(R_HEX_8)
+    ECase(R_HEX_GPREL16_0)
+    ECase(R_HEX_GPREL16_1)
+    ECase(R_HEX_GPREL16_2)
+    ECase(R_HEX_GPREL16_3)
+    ECase(R_HEX_HL16)
+    ECase(R_HEX_B13_PCREL)
+    ECase(R_HEX_B9_PCREL)
+    ECase(R_HEX_B32_PCREL_X)
+    ECase(R_HEX_32_6_X)
+    ECase(R_HEX_B22_PCREL_X)
+    ECase(R_HEX_B15_PCREL_X)
+    ECase(R_HEX_B13_PCREL_X)
+    ECase(R_HEX_B9_PCREL_X)
+    ECase(R_HEX_B7_PCREL_X)
+    ECase(R_HEX_16_X)
+    ECase(R_HEX_12_X)
+    ECase(R_HEX_11_X)
+    ECase(R_HEX_10_X)
+    ECase(R_HEX_9_X)
+    ECase(R_HEX_8_X)
+    ECase(R_HEX_7_X)
+    ECase(R_HEX_6_X)
+    ECase(R_HEX_32_PCREL)
+    ECase(R_HEX_COPY)
+    ECase(R_HEX_GLOB_DAT)
+    ECase(R_HEX_JMP_SLOT)
+    ECase(R_HEX_RELATIVE)
+    ECase(R_HEX_PLT_B22_PCREL)
+    ECase(R_HEX_GOTREL_LO16)
+    ECase(R_HEX_GOTREL_HI16)
+    ECase(R_HEX_GOTREL_32)
+    ECase(R_HEX_GOT_LO16)
+    ECase(R_HEX_GOT_HI16)
+    ECase(R_HEX_GOT_32)
+    ECase(R_HEX_GOT_16)
+    ECase(R_HEX_DTPMOD_32)
+    ECase(R_HEX_DTPREL_LO16)
+    ECase(R_HEX_DTPREL_HI16)
+    ECase(R_HEX_DTPREL_32)
+    ECase(R_HEX_DTPREL_16)
+    ECase(R_HEX_GD_PLT_B22_PCREL)
+    ECase(R_HEX_GD_GOT_LO16)
+    ECase(R_HEX_GD_GOT_HI16)
+    ECase(R_HEX_GD_GOT_32)
+    ECase(R_HEX_GD_GOT_16)
+    ECase(R_HEX_IE_LO16)
+    ECase(R_HEX_IE_HI16)
+    ECase(R_HEX_IE_32)
+    ECase(R_HEX_IE_GOT_LO16)
+    ECase(R_HEX_IE_GOT_HI16)
+    ECase(R_HEX_IE_GOT_32)
+    ECase(R_HEX_IE_GOT_16)
+    ECase(R_HEX_TPREL_LO16)
+    ECase(R_HEX_TPREL_HI16)
+    ECase(R_HEX_TPREL_32)
+    ECase(R_HEX_TPREL_16)
+    ECase(R_HEX_6_PCREL_X)
+    ECase(R_HEX_GOTREL_32_6_X)
+    ECase(R_HEX_GOTREL_16_X)
+    ECase(R_HEX_GOTREL_11_X)
+    ECase(R_HEX_GOT_32_6_X)
+    ECase(R_HEX_GOT_16_X)
+    ECase(R_HEX_GOT_11_X)
+    ECase(R_HEX_DTPREL_32_6_X)
+    ECase(R_HEX_DTPREL_16_X)
+    ECase(R_HEX_DTPREL_11_X)
+    ECase(R_HEX_GD_GOT_32_6_X)
+    ECase(R_HEX_GD_GOT_16_X)
+    ECase(R_HEX_GD_GOT_11_X)
+    ECase(R_HEX_IE_32_6_X)
+    ECase(R_HEX_IE_16_X)
+    ECase(R_HEX_IE_GOT_32_6_X)
+    ECase(R_HEX_IE_GOT_16_X)
+    ECase(R_HEX_IE_GOT_11_X)
+    ECase(R_HEX_TPREL_32_6_X)
+    ECase(R_HEX_TPREL_16_X)
+    ECase(R_HEX_TPREL_11_X)
+    break;
+  case ELF::EM_386:
+    ECase(R_386_NONE)
+    ECase(R_386_32)
+    ECase(R_386_PC32)
+    ECase(R_386_GOT32)
+    ECase(R_386_PLT32)
+    ECase(R_386_COPY)
+    ECase(R_386_GLOB_DAT)
+    ECase(R_386_JUMP_SLOT)
+    ECase(R_386_RELATIVE)
+    ECase(R_386_GOTOFF)
+    ECase(R_386_GOTPC)
+    ECase(R_386_32PLT)
+    ECase(R_386_TLS_TPOFF)
+    ECase(R_386_TLS_IE)
+    ECase(R_386_TLS_GOTIE)
+    ECase(R_386_TLS_LE)
+    ECase(R_386_TLS_GD)
+    ECase(R_386_TLS_LDM)
+    ECase(R_386_16)
+    ECase(R_386_PC16)
+    ECase(R_386_8)
+    ECase(R_386_PC8)
+    ECase(R_386_TLS_GD_32)
+    ECase(R_386_TLS_GD_PUSH)
+    ECase(R_386_TLS_GD_CALL)
+    ECase(R_386_TLS_GD_POP)
+    ECase(R_386_TLS_LDM_32)
+    ECase(R_386_TLS_LDM_PUSH)
+    ECase(R_386_TLS_LDM_CALL)
+    ECase(R_386_TLS_LDM_POP)
+    ECase(R_386_TLS_LDO_32)
+    ECase(R_386_TLS_IE_32)
+    ECase(R_386_TLS_LE_32)
+    ECase(R_386_TLS_DTPMOD32)
+    ECase(R_386_TLS_DTPOFF32)
+    ECase(R_386_TLS_TPOFF32)
+    ECase(R_386_TLS_GOTDESC)
+    ECase(R_386_TLS_DESC_CALL)
+    ECase(R_386_TLS_DESC)
+    ECase(R_386_IRELATIVE)
+    ECase(R_386_NUM)
+    break;
+  default:
+    llvm_unreachable("Unsupported architecture");
+  }
+#undef ECase
+}
+
+void MappingTraits<ELFYAML::FileHeader>::mapping(IO &IO,
+                                                 ELFYAML::FileHeader &FileHdr) {
+  IO.mapRequired("Class", FileHdr.Class);
+  IO.mapRequired("Data", FileHdr.Data);
+  IO.mapOptional("OSABI", FileHdr.OSABI, ELFYAML::ELF_ELFOSABI(0));
+  IO.mapRequired("Type", FileHdr.Type);
+  IO.mapRequired("Machine", FileHdr.Machine);
+  IO.mapOptional("Flags", FileHdr.Flags, ELFYAML::ELF_EF(0));
+  IO.mapOptional("Entry", FileHdr.Entry, Hex64(0));
+}
+
+void MappingTraits<ELFYAML::Symbol>::mapping(IO &IO, ELFYAML::Symbol &Symbol) {
+  IO.mapOptional("Name", Symbol.Name, StringRef());
+  IO.mapOptional("Type", Symbol.Type, ELFYAML::ELF_STT(0));
+  IO.mapOptional("Section", Symbol.Section, StringRef());
+  IO.mapOptional("Value", Symbol.Value, Hex64(0));
+  IO.mapOptional("Size", Symbol.Size, Hex64(0));
+  IO.mapOptional("Visibility", Symbol.Visibility, ELFYAML::ELF_STV(0));
+}
+
+void MappingTraits<ELFYAML::LocalGlobalWeakSymbols>::mapping(
+    IO &IO, ELFYAML::LocalGlobalWeakSymbols &Symbols) {
+  IO.mapOptional("Local", Symbols.Local);
+  IO.mapOptional("Global", Symbols.Global);
+  IO.mapOptional("Weak", Symbols.Weak);
+}
+
+static void commonSectionMapping(IO &IO, ELFYAML::Section &Section) {
+  IO.mapOptional("Name", Section.Name, StringRef());
+  IO.mapRequired("Type", Section.Type);
+  IO.mapOptional("Flags", Section.Flags, ELFYAML::ELF_SHF(0));
+  IO.mapOptional("Address", Section.Address, Hex64(0));
+  IO.mapOptional("Link", Section.Link, StringRef());
+  IO.mapOptional("AddressAlign", Section.AddressAlign, Hex64(0));
+}
+
+static void sectionMapping(IO &IO, ELFYAML::RawContentSection &Section) {
+  commonSectionMapping(IO, Section);
+  IO.mapOptional("Content", Section.Content);
+  IO.mapOptional("Size", Section.Size, Hex64(Section.Content.binary_size()));
+}
+
+static void sectionMapping(IO &IO, ELFYAML::RelocationSection &Section) {
+  commonSectionMapping(IO, Section);
+  IO.mapOptional("Info", Section.Info, StringRef());
+  IO.mapOptional("Relocations", Section.Relocations);
+}
+
+void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping(
+    IO &IO, std::unique_ptr<ELFYAML::Section> &Section) {
+  ELFYAML::ELF_SHT sectionType;
+  if (IO.outputting())
+    sectionType = Section->Type;
+  else
+    IO.mapRequired("Type", sectionType);
+
+  switch (sectionType) {
+  case ELF::SHT_REL:
+  case ELF::SHT_RELA:
+    if (!IO.outputting())
+      Section.reset(new ELFYAML::RelocationSection());
+    sectionMapping(IO, *cast<ELFYAML::RelocationSection>(Section.get()));
+    break;
+  default:
+    if (!IO.outputting())
+      Section.reset(new ELFYAML::RawContentSection());
+    sectionMapping(IO, *cast<ELFYAML::RawContentSection>(Section.get()));
+  }
+}
+
+StringRef MappingTraits<std::unique_ptr<ELFYAML::Section>>::validate(
+    IO &io, std::unique_ptr<ELFYAML::Section> &Section) {
+  const auto *RawSection = dyn_cast<ELFYAML::RawContentSection>(Section.get());
+  if (!RawSection || RawSection->Size >= RawSection->Content.binary_size())
+    return StringRef();
+  return "Section size must be greater or equal to the content size";
+}
+
+void MappingTraits<ELFYAML::Relocation>::mapping(IO &IO,
+                                                 ELFYAML::Relocation &Rel) {
+  IO.mapRequired("Offset", Rel.Offset);
+  IO.mapRequired("Symbol", Rel.Symbol);
+  IO.mapRequired("Type", Rel.Type);
+  IO.mapOptional("Addend", Rel.Addend);
+}
+
+void MappingTraits<ELFYAML::Object>::mapping(IO &IO, ELFYAML::Object &Object) {
+  assert(!IO.getContext() && "The IO context is initialized already");
+  IO.setContext(&Object);
+  IO.mapRequired("FileHeader", Object.Header);
+  IO.mapOptional("Sections", Object.Sections);
+  IO.mapOptional("Symbols", Object.Symbols);
+  IO.setContext(nullptr);
+}
+
+} // end namespace yaml
+} // end namespace llvm
diff --git a/contrib/llvm/lib/Object/Error.cpp b/contrib/llvm/lib/Object/Error.cpp
new file mode 100644
index 0000000..9d25269
--- /dev/null
+++ b/contrib/llvm/lib/Object/Error.cpp
@@ -0,0 +1,52 @@
+//===- Error.cpp - system_error extensions for Object -----------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines a new error_category for the Object library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/Error.h"
+#include "llvm/Support/ErrorHandling.h"
+
+using namespace llvm;
+using namespace object;
+
+namespace {
+class _object_error_category : public std::error_category {
+public:
+  const char* name() const LLVM_NOEXCEPT override;
+  std::string message(int ev) const override;
+};
+}
+
+const char *_object_error_category::name() const {
+  return "llvm.object";
+}
+
+std::string _object_error_category::message(int EV) const {
+  object_error E = static_cast<object_error>(EV);
+  switch (E) {
+  case object_error::success: return "Success";
+  case object_error::arch_not_found:
+    return "No object file for requested architecture";
+  case object_error::invalid_file_type:
+    return "The file was not recognized as a valid object file";
+  case object_error::parse_failed:
+    return "Invalid data was encountered while parsing the file";
+  case object_error::unexpected_eof:
+    return "The end of the file was unexpectedly encountered";
+  }
+  llvm_unreachable("An enumerator of object_error does not have a message "
+                   "defined.");
+}
+
+const std::error_category &object::object_category() {
+  static _object_error_category o;
+  return o;
+}
diff --git a/contrib/llvm/lib/Object/IRObjectFile.cpp b/contrib/llvm/lib/Object/IRObjectFile.cpp
new file mode 100644
index 0000000..5323d92
--- /dev/null
+++ b/contrib/llvm/lib/Object/IRObjectFile.cpp
@@ -0,0 +1,279 @@
+//===- IRObjectFile.cpp - IR 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.
+//
+//===----------------------------------------------------------------------===//
+//
+// Part of the IRObjectFile class implementation.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/IRObjectFile.h"
+#include "RecordStreamer.h"
+#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/GVMaterializer.h"
+#include "llvm/IR/Mangler.h"
+#include "llvm/IR/Module.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCObjectFileInfo.h"
+#include "llvm/MC/MCTargetAsmParser.h"
+#include "llvm/MC/MCParser/MCAsmParser.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace llvm;
+using namespace object;
+
+IRObjectFile::IRObjectFile(std::unique_ptr<MemoryBuffer> Object,
+                           std::unique_ptr<Module> Mod)
+    : SymbolicFile(Binary::ID_IR, std::move(Object)), M(std::move(Mod)) {
+  // If we have a DataLayout, setup a mangler.
+  const DataLayout *DL = M->getDataLayout();
+  if (!DL)
+    return;
+
+  Mang.reset(new Mangler(DL));
+
+  const std::string &InlineAsm = M->getModuleInlineAsm();
+  if (InlineAsm.empty())
+    return;
+
+  StringRef Triple = M->getTargetTriple();
+  std::string Err;
+  const Target *T = TargetRegistry::lookupTarget(Triple, Err);
+  if (!T)
+    return;
+
+  std::unique_ptr<MCRegisterInfo> MRI(T->createMCRegInfo(Triple));
+  if (!MRI)
+    return;
+
+  std::unique_ptr<MCAsmInfo> MAI(T->createMCAsmInfo(*MRI, Triple));
+  if (!MAI)
+    return;
+
+  std::unique_ptr<MCSubtargetInfo> STI(
+      T->createMCSubtargetInfo(Triple, "", ""));
+  if (!STI)
+    return;
+
+  std::unique_ptr<MCInstrInfo> MCII(T->createMCInstrInfo());
+  if (!MCII)
+    return;
+
+  MCObjectFileInfo MOFI;
+  MCContext MCCtx(MAI.get(), MRI.get(), &MOFI);
+  MOFI.InitMCObjectFileInfo(Triple, Reloc::Default, CodeModel::Default, MCCtx);
+  std::unique_ptr<RecordStreamer> Streamer(new RecordStreamer(MCCtx));
+
+  std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer(InlineAsm));
+  SourceMgr SrcMgr;
+  SrcMgr.AddNewSourceBuffer(Buffer.release(), SMLoc());
+  std::unique_ptr<MCAsmParser> Parser(
+      createMCAsmParser(SrcMgr, MCCtx, *Streamer, *MAI));
+
+  MCTargetOptions MCOptions;
+  std::unique_ptr<MCTargetAsmParser> TAP(
+      T->createMCAsmParser(*STI, *Parser, *MCII, MCOptions));
+  if (!TAP)
+    return;
+
+  Parser->setTargetParser(*TAP);
+  if (Parser->Run(false))
+    return;
+
+  for (auto &KV : *Streamer) {
+    StringRef Key = KV.first();
+    RecordStreamer::State Value = KV.second;
+    uint32_t Res = BasicSymbolRef::SF_None;
+    switch (Value) {
+    case RecordStreamer::NeverSeen:
+      llvm_unreachable("foo");
+    case RecordStreamer::DefinedGlobal:
+      Res |= BasicSymbolRef::SF_Global;
+      break;
+    case RecordStreamer::Defined:
+      break;
+    case RecordStreamer::Global:
+    case RecordStreamer::Used:
+      Res |= BasicSymbolRef::SF_Undefined;
+      Res |= BasicSymbolRef::SF_Global;
+      break;
+    }
+    AsmSymbols.push_back(
+        std::make_pair<std::string, uint32_t>(Key, std::move(Res)));
+  }
+}
+
+IRObjectFile::~IRObjectFile() {
+  GVMaterializer *GVM =  M->getMaterializer();
+  if (GVM)
+    GVM->releaseBuffer();
+ }
+
+static const GlobalValue *getGV(DataRefImpl &Symb) {
+  if ((Symb.p & 3) == 3)
+    return nullptr;
+
+  return reinterpret_cast<GlobalValue*>(Symb.p & ~uintptr_t(3));
+}
+
+static uintptr_t skipEmpty(Module::const_alias_iterator I, const Module &M) {
+  if (I == M.alias_end())
+    return 3;
+  const GlobalValue *GV = &*I;
+  return reinterpret_cast<uintptr_t>(GV) | 2;
+}
+
+static uintptr_t skipEmpty(Module::const_global_iterator I, const Module &M) {
+  if (I == M.global_end())
+    return skipEmpty(M.alias_begin(), M);
+  const GlobalValue *GV = &*I;
+  return reinterpret_cast<uintptr_t>(GV) | 1;
+}
+
+static uintptr_t skipEmpty(Module::const_iterator I, const Module &M) {
+  if (I == M.end())
+    return skipEmpty(M.global_begin(), M);
+  const GlobalValue *GV = &*I;
+  return reinterpret_cast<uintptr_t>(GV) | 0;
+}
+
+static unsigned getAsmSymIndex(DataRefImpl Symb) {
+  assert((Symb.p & uintptr_t(3)) == 3);
+  uintptr_t Index = Symb.p & ~uintptr_t(3);
+  Index >>= 2;
+  return Index;
+}
+
+void IRObjectFile::moveSymbolNext(DataRefImpl &Symb) const {
+  const GlobalValue *GV = getGV(Symb);
+  uintptr_t Res;
+
+  switch (Symb.p & 3) {
+  case 0: {
+    Module::const_iterator Iter(static_cast<const Function*>(GV));
+    ++Iter;
+    Res = skipEmpty(Iter, *M);
+    break;
+  }
+  case 1: {
+    Module::const_global_iterator Iter(static_cast<const GlobalVariable*>(GV));
+    ++Iter;
+    Res = skipEmpty(Iter, *M);
+    break;
+  }
+  case 2: {
+    Module::const_alias_iterator Iter(static_cast<const GlobalAlias*>(GV));
+    ++Iter;
+    Res = skipEmpty(Iter, *M);
+    break;
+  }
+  case 3: {
+    unsigned Index = getAsmSymIndex(Symb);
+    assert(Index < AsmSymbols.size());
+    ++Index;
+    Res = (Index << 2) | 3;
+    break;
+  }
+  }
+
+  Symb.p = Res;
+}
+
+std::error_code IRObjectFile::printSymbolName(raw_ostream &OS,
+                                              DataRefImpl Symb) const {
+  const GlobalValue *GV = getGV(Symb);
+  if (!GV) {
+    unsigned Index = getAsmSymIndex(Symb);
+    assert(Index <= AsmSymbols.size());
+    OS << AsmSymbols[Index].first;
+    return object_error::success;;
+  }
+
+  if (Mang)
+    Mang->getNameWithPrefix(OS, GV, false);
+  else
+    OS << GV->getName();
+
+  return object_error::success;
+}
+
+static bool isDeclaration(const GlobalValue &V) {
+  if (V.hasAvailableExternallyLinkage())
+    return true;
+
+  if (V.isMaterializable())
+    return false;
+
+  return V.isDeclaration();
+}
+
+uint32_t IRObjectFile::getSymbolFlags(DataRefImpl Symb) const {
+  const GlobalValue *GV = getGV(Symb);
+
+  if (!GV) {
+    unsigned Index = getAsmSymIndex(Symb);
+    assert(Index <= AsmSymbols.size());
+    return AsmSymbols[Index].second;
+  }
+
+  uint32_t Res = BasicSymbolRef::SF_None;
+  if (isDeclaration(*GV))
+    Res |= BasicSymbolRef::SF_Undefined;
+  if (GV->hasPrivateLinkage())
+    Res |= BasicSymbolRef::SF_FormatSpecific;
+  if (!GV->hasLocalLinkage())
+    Res |= BasicSymbolRef::SF_Global;
+  if (GV->hasCommonLinkage())
+    Res |= BasicSymbolRef::SF_Common;
+  if (GV->hasLinkOnceLinkage() || GV->hasWeakLinkage())
+    Res |= BasicSymbolRef::SF_Weak;
+
+  if (GV->getName().startswith("llvm."))
+    Res |= BasicSymbolRef::SF_FormatSpecific;
+  else if (auto *Var = dyn_cast<GlobalVariable>(GV)) {
+    if (Var->getSection() == StringRef("llvm.metadata"))
+      Res |= BasicSymbolRef::SF_FormatSpecific;
+  }
+
+  return Res;
+}
+
+const GlobalValue *IRObjectFile::getSymbolGV(DataRefImpl Symb) const {
+  const GlobalValue *GV = getGV(Symb);
+  return GV;
+}
+
+basic_symbol_iterator IRObjectFile::symbol_begin_impl() const {
+  Module::const_iterator I = M->begin();
+  DataRefImpl Ret;
+  Ret.p = skipEmpty(I, *M);
+  return basic_symbol_iterator(BasicSymbolRef(Ret, this));
+}
+
+basic_symbol_iterator IRObjectFile::symbol_end_impl() const {
+  DataRefImpl Ret;
+  uint64_t NumAsm = AsmSymbols.size();
+  NumAsm <<= 2;
+  Ret.p = 3 | NumAsm;
+  return basic_symbol_iterator(BasicSymbolRef(Ret, this));
+}
+
+ErrorOr<IRObjectFile *> llvm::object::IRObjectFile::createIRObjectFile(
+    std::unique_ptr<MemoryBuffer> Object, LLVMContext &Context) {
+  ErrorOr<Module *> MOrErr = getLazyBitcodeModule(Object.get(), Context);
+  if (std::error_code EC = MOrErr.getError())
+    return EC;
+
+  std::unique_ptr<Module> M(MOrErr.get());
+  return new IRObjectFile(std::move(Object), std::move(M));
+}
diff --git a/contrib/llvm/lib/Object/MachOObjectFile.cpp b/contrib/llvm/lib/Object/MachOObjectFile.cpp
new file mode 100644
index 0000000..51c4c33
--- /dev/null
+++ b/contrib/llvm/lib/Object/MachOObjectFile.cpp
@@ -0,0 +1,1745 @@
+//===- MachOObjectFile.cpp - Mach-O object file binding ---------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the MachOObjectFile class, which binds the MachOObject
+// class to the generic ObjectFile wrapper.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/MachO.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/DataExtractor.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cctype>
+#include <cstring>
+#include <limits>
+
+using namespace llvm;
+using namespace object;
+
+namespace {
+  struct section_base {
+    char sectname[16];
+    char segname[16];
+  };
+}
+
+template<typename T>
+static T getStruct(const MachOObjectFile *O, const char *P) {
+  T Cmd;
+  memcpy(&Cmd, P, sizeof(T));
+  if (O->isLittleEndian() != sys::IsLittleEndianHost)
+    MachO::swapStruct(Cmd);
+  return Cmd;
+}
+
+static uint32_t
+getSegmentLoadCommandNumSections(const MachOObjectFile *O,
+                                 const MachOObjectFile::LoadCommandInfo &L) {
+  if (O->is64Bit()) {
+    MachO::segment_command_64 S = O->getSegment64LoadCommand(L);
+    return S.nsects;
+  }
+  MachO::segment_command S = O->getSegmentLoadCommand(L);
+  return S.nsects;
+}
+
+static const char *
+getSectionPtr(const MachOObjectFile *O, MachOObjectFile::LoadCommandInfo L,
+              unsigned Sec) {
+  uintptr_t CommandAddr = reinterpret_cast<uintptr_t>(L.Ptr);
+
+  bool Is64 = O->is64Bit();
+  unsigned SegmentLoadSize = Is64 ? sizeof(MachO::segment_command_64) :
+                                    sizeof(MachO::segment_command);
+  unsigned SectionSize = Is64 ? sizeof(MachO::section_64) :
+                                sizeof(MachO::section);
+
+  uintptr_t SectionAddr = CommandAddr + SegmentLoadSize + Sec * SectionSize;
+  return reinterpret_cast<const char*>(SectionAddr);
+}
+
+static const char *getPtr(const MachOObjectFile *O, size_t Offset) {
+  return O->getData().substr(Offset, 1).data();
+}
+
+static MachO::nlist_base
+getSymbolTableEntryBase(const MachOObjectFile *O, DataRefImpl DRI) {
+  const char *P = reinterpret_cast<const char *>(DRI.p);
+  return getStruct<MachO::nlist_base>(O, P);
+}
+
+static StringRef parseSegmentOrSectionName(const char *P) {
+  if (P[15] == 0)
+    // Null terminated.
+    return P;
+  // Not null terminated, so this is a 16 char string.
+  return StringRef(P, 16);
+}
+
+// Helper to advance a section or symbol iterator multiple increments at a time.
+template<class T>
+static void advance(T &it, size_t Val) {
+  while (Val--)
+    ++it;
+}
+
+static unsigned getCPUType(const MachOObjectFile *O) {
+  return O->getHeader().cputype;
+}
+
+static void printRelocationTargetName(const MachOObjectFile *O,
+                                      const MachO::any_relocation_info &RE,
+                                      raw_string_ostream &fmt) {
+  bool IsScattered = O->isRelocationScattered(RE);
+
+  // Target of a scattered relocation is an address.  In the interest of
+  // generating pretty output, scan through the symbol table looking for a
+  // symbol that aligns with that address.  If we find one, print it.
+  // Otherwise, we just print the hex address of the target.
+  if (IsScattered) {
+    uint32_t Val = O->getPlainRelocationSymbolNum(RE);
+
+    for (const SymbolRef &Symbol : O->symbols()) {
+      std::error_code ec;
+      uint64_t Addr;
+      StringRef Name;
+
+      if ((ec = Symbol.getAddress(Addr)))
+        report_fatal_error(ec.message());
+      if (Addr != Val)
+        continue;
+      if ((ec = Symbol.getName(Name)))
+        report_fatal_error(ec.message());
+      fmt << Name;
+      return;
+    }
+
+    // If we couldn't find a symbol that this relocation refers to, try
+    // to find a section beginning instead.
+    for (const SectionRef &Section : O->sections()) {
+      std::error_code ec;
+      uint64_t Addr;
+      StringRef Name;
+
+      if ((ec = Section.getAddress(Addr)))
+        report_fatal_error(ec.message());
+      if (Addr != Val)
+        continue;
+      if ((ec = Section.getName(Name)))
+        report_fatal_error(ec.message());
+      fmt << Name;
+      return;
+    }
+
+    fmt << format("0x%x", Val);
+    return;
+  }
+
+  StringRef S;
+  bool isExtern = O->getPlainRelocationExternal(RE);
+  uint64_t Val = O->getPlainRelocationSymbolNum(RE);
+
+  if (isExtern) {
+    symbol_iterator SI = O->symbol_begin();
+    advance(SI, Val);
+    SI->getName(S);
+  } else {
+    section_iterator SI = O->section_begin();
+    // Adjust for the fact that sections are 1-indexed.
+    advance(SI, Val - 1);
+    SI->getName(S);
+  }
+
+  fmt << S;
+}
+
+static uint32_t
+getPlainRelocationAddress(const MachO::any_relocation_info &RE) {
+  return RE.r_word0;
+}
+
+static unsigned
+getScatteredRelocationAddress(const MachO::any_relocation_info &RE) {
+  return RE.r_word0 & 0xffffff;
+}
+
+static bool getPlainRelocationPCRel(const MachOObjectFile *O,
+                                    const MachO::any_relocation_info &RE) {
+  if (O->isLittleEndian())
+    return (RE.r_word1 >> 24) & 1;
+  return (RE.r_word1 >> 7) & 1;
+}
+
+static bool
+getScatteredRelocationPCRel(const MachOObjectFile *O,
+                            const MachO::any_relocation_info &RE) {
+  return (RE.r_word0 >> 30) & 1;
+}
+
+static unsigned getPlainRelocationLength(const MachOObjectFile *O,
+                                         const MachO::any_relocation_info &RE) {
+  if (O->isLittleEndian())
+    return (RE.r_word1 >> 25) & 3;
+  return (RE.r_word1 >> 5) & 3;
+}
+
+static unsigned
+getScatteredRelocationLength(const MachO::any_relocation_info &RE) {
+  return (RE.r_word0 >> 28) & 3;
+}
+
+static unsigned getPlainRelocationType(const MachOObjectFile *O,
+                                       const MachO::any_relocation_info &RE) {
+  if (O->isLittleEndian())
+    return RE.r_word1 >> 28;
+  return RE.r_word1 & 0xf;
+}
+
+static unsigned
+getScatteredRelocationType(const MachO::any_relocation_info &RE) {
+  return (RE.r_word0 >> 24) & 0xf;
+}
+
+static uint32_t getSectionFlags(const MachOObjectFile *O,
+                                DataRefImpl Sec) {
+  if (O->is64Bit()) {
+    MachO::section_64 Sect = O->getSection64(Sec);
+    return Sect.flags;
+  }
+  MachO::section Sect = O->getSection(Sec);
+  return Sect.flags;
+}
+
+MachOObjectFile::MachOObjectFile(std::unique_ptr<MemoryBuffer> Object,
+                                 bool IsLittleEndian, bool Is64bits,
+                                 std::error_code &EC)
+    : ObjectFile(getMachOType(IsLittleEndian, Is64bits), std::move(Object)),
+      SymtabLoadCmd(nullptr), DysymtabLoadCmd(nullptr),
+      DataInCodeLoadCmd(nullptr) {
+  uint32_t LoadCommandCount = this->getHeader().ncmds;
+  MachO::LoadCommandType SegmentLoadType = is64Bit() ?
+    MachO::LC_SEGMENT_64 : MachO::LC_SEGMENT;
+
+  MachOObjectFile::LoadCommandInfo Load = getFirstLoadCommandInfo();
+  for (unsigned I = 0; ; ++I) {
+    if (Load.C.cmd == MachO::LC_SYMTAB) {
+      assert(!SymtabLoadCmd && "Multiple symbol tables");
+      SymtabLoadCmd = Load.Ptr;
+    } else if (Load.C.cmd == MachO::LC_DYSYMTAB) {
+      assert(!DysymtabLoadCmd && "Multiple dynamic symbol tables");
+      DysymtabLoadCmd = Load.Ptr;
+    } else if (Load.C.cmd == MachO::LC_DATA_IN_CODE) {
+      assert(!DataInCodeLoadCmd && "Multiple data in code tables");
+      DataInCodeLoadCmd = Load.Ptr;
+    } else if (Load.C.cmd == SegmentLoadType) {
+      uint32_t NumSections = getSegmentLoadCommandNumSections(this, Load);
+      for (unsigned J = 0; J < NumSections; ++J) {
+        const char *Sec = getSectionPtr(this, Load, J);
+        Sections.push_back(Sec);
+      }
+    } else if (Load.C.cmd == MachO::LC_LOAD_DYLIB ||
+               Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
+               Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
+               Load.C.cmd == MachO::LC_REEXPORT_DYLIB ||
+               Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
+      Libraries.push_back(Load.Ptr);
+    }
+
+    if (I == LoadCommandCount - 1)
+      break;
+    else
+      Load = getNextLoadCommandInfo(Load);
+  }
+}
+
+void MachOObjectFile::moveSymbolNext(DataRefImpl &Symb) const {
+  unsigned SymbolTableEntrySize = is64Bit() ?
+    sizeof(MachO::nlist_64) :
+    sizeof(MachO::nlist);
+  Symb.p += SymbolTableEntrySize;
+}
+
+std::error_code MachOObjectFile::getSymbolName(DataRefImpl Symb,
+                                               StringRef &Res) const {
+  StringRef StringTable = getStringTableData();
+  MachO::nlist_base Entry = getSymbolTableEntryBase(this, Symb);
+  const char *Start = &StringTable.data()[Entry.n_strx];
+  Res = StringRef(Start);
+  return object_error::success;
+}
+
+// getIndirectName() returns the name of the alias'ed symbol who's string table
+// index is in the n_value field.
+std::error_code MachOObjectFile::getIndirectName(DataRefImpl Symb,
+                                                 StringRef &Res) const {
+  StringRef StringTable = getStringTableData();
+  uint64_t NValue;
+  if (is64Bit()) {
+    MachO::nlist_64 Entry = getSymbol64TableEntry(Symb);
+    NValue = Entry.n_value;
+    if ((Entry.n_type & MachO::N_TYPE) != MachO::N_INDR)
+      return object_error::parse_failed;
+  } else {
+    MachO::nlist Entry = getSymbolTableEntry(Symb);
+    NValue = Entry.n_value;
+    if ((Entry.n_type & MachO::N_TYPE) != MachO::N_INDR)
+      return object_error::parse_failed;
+  }
+  if (NValue >= StringTable.size())
+    return object_error::parse_failed;
+  const char *Start = &StringTable.data()[NValue];
+  Res = StringRef(Start);
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getSymbolAddress(DataRefImpl Symb,
+                                                  uint64_t &Res) const {
+  if (is64Bit()) {
+    MachO::nlist_64 Entry = getSymbol64TableEntry(Symb);
+    if ((Entry.n_type & MachO::N_TYPE) == MachO::N_UNDF &&
+        Entry.n_value == 0)
+      Res = UnknownAddressOrSize;
+    else
+      Res = Entry.n_value;
+  } else {
+    MachO::nlist Entry = getSymbolTableEntry(Symb);
+    if ((Entry.n_type & MachO::N_TYPE) == MachO::N_UNDF &&
+        Entry.n_value == 0)
+      Res = UnknownAddressOrSize;
+    else
+      Res = Entry.n_value;
+  }
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getSymbolAlignment(DataRefImpl DRI,
+                                                    uint32_t &Result) const {
+  uint32_t flags = getSymbolFlags(DRI);
+  if (flags & SymbolRef::SF_Common) {
+    MachO::nlist_base Entry = getSymbolTableEntryBase(this, DRI);
+    Result = 1 << MachO::GET_COMM_ALIGN(Entry.n_desc);
+  } else {
+    Result = 0;
+  }
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,
+                                               uint64_t &Result) const {
+  uint64_t BeginOffset;
+  uint64_t EndOffset = 0;
+  uint8_t SectionIndex;
+
+  MachO::nlist_base Entry = getSymbolTableEntryBase(this, DRI);
+  uint64_t Value;
+  getSymbolAddress(DRI, Value);
+  if (Value == UnknownAddressOrSize) {
+    Result = UnknownAddressOrSize;
+    return object_error::success;
+  }
+
+  BeginOffset = Value;
+
+  SectionIndex = Entry.n_sect;
+  if (!SectionIndex) {
+    uint32_t flags = getSymbolFlags(DRI);
+    if (flags & SymbolRef::SF_Common)
+      Result = Value;
+    else
+      Result = UnknownAddressOrSize;
+    return object_error::success;
+  }
+  // Unfortunately symbols are unsorted so we need to touch all
+  // symbols from load command
+  for (const SymbolRef &Symbol : symbols()) {
+    DataRefImpl DRI = Symbol.getRawDataRefImpl();
+    Entry = getSymbolTableEntryBase(this, DRI);
+    getSymbolAddress(DRI, Value);
+    if (Value == UnknownAddressOrSize)
+      continue;
+    if (Entry.n_sect == SectionIndex && Value > BeginOffset)
+      if (!EndOffset || Value < EndOffset)
+        EndOffset = Value;
+  }
+  if (!EndOffset) {
+    uint64_t Size;
+    DataRefImpl Sec;
+    Sec.d.a = SectionIndex-1;
+    getSectionSize(Sec, Size);
+    getSectionAddress(Sec, EndOffset);
+    EndOffset += Size;
+  }
+  Result = EndOffset - BeginOffset;
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getSymbolType(DataRefImpl Symb,
+                                               SymbolRef::Type &Res) const {
+  MachO::nlist_base Entry = getSymbolTableEntryBase(this, Symb);
+  uint8_t n_type = Entry.n_type;
+
+  Res = SymbolRef::ST_Other;
+
+  // If this is a STAB debugging symbol, we can do nothing more.
+  if (n_type & MachO::N_STAB) {
+    Res = SymbolRef::ST_Debug;
+    return object_error::success;
+  }
+
+  switch (n_type & MachO::N_TYPE) {
+    case MachO::N_UNDF :
+      Res = SymbolRef::ST_Unknown;
+      break;
+    case MachO::N_SECT :
+      Res = SymbolRef::ST_Function;
+      break;
+  }
+  return object_error::success;
+}
+
+uint32_t MachOObjectFile::getSymbolFlags(DataRefImpl DRI) const {
+  MachO::nlist_base Entry = getSymbolTableEntryBase(this, DRI);
+
+  uint8_t MachOType = Entry.n_type;
+  uint16_t MachOFlags = Entry.n_desc;
+
+  uint32_t Result = SymbolRef::SF_None;
+
+  if ((MachOType & MachO::N_TYPE) == MachO::N_UNDF)
+    Result |= SymbolRef::SF_Undefined;
+
+  if ((MachOType & MachO::N_TYPE) == MachO::N_INDR)
+    Result |= SymbolRef::SF_Indirect;
+
+  if (MachOType & MachO::N_STAB)
+    Result |= SymbolRef::SF_FormatSpecific;
+
+  if (MachOType & MachO::N_EXT) {
+    Result |= SymbolRef::SF_Global;
+    if ((MachOType & MachO::N_TYPE) == MachO::N_UNDF) {
+      uint64_t Value;
+      getSymbolAddress(DRI, Value);
+      if (Value && Value != UnknownAddressOrSize)
+        Result |= SymbolRef::SF_Common;
+    }
+  }
+
+  if (MachOFlags & (MachO::N_WEAK_REF | MachO::N_WEAK_DEF))
+    Result |= SymbolRef::SF_Weak;
+
+  if ((MachOType & MachO::N_TYPE) == MachO::N_ABS)
+    Result |= SymbolRef::SF_Absolute;
+
+  return Result;
+}
+
+std::error_code MachOObjectFile::getSymbolSection(DataRefImpl Symb,
+                                                  section_iterator &Res) const {
+  MachO::nlist_base Entry = getSymbolTableEntryBase(this, Symb);
+  uint8_t index = Entry.n_sect;
+
+  if (index == 0) {
+    Res = section_end();
+  } else {
+    DataRefImpl DRI;
+    DRI.d.a = index - 1;
+    Res = section_iterator(SectionRef(DRI, this));
+  }
+
+  return object_error::success;
+}
+
+void MachOObjectFile::moveSectionNext(DataRefImpl &Sec) const {
+  Sec.d.a++;
+}
+
+std::error_code MachOObjectFile::getSectionName(DataRefImpl Sec,
+                                                StringRef &Result) const {
+  ArrayRef<char> Raw = getSectionRawName(Sec);
+  Result = parseSegmentOrSectionName(Raw.data());
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getSectionAddress(DataRefImpl Sec,
+                                                   uint64_t &Res) const {
+  if (is64Bit()) {
+    MachO::section_64 Sect = getSection64(Sec);
+    Res = Sect.addr;
+  } else {
+    MachO::section Sect = getSection(Sec);
+    Res = Sect.addr;
+  }
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getSectionSize(DataRefImpl Sec,
+                                                uint64_t &Res) const {
+  if (is64Bit()) {
+    MachO::section_64 Sect = getSection64(Sec);
+    Res = Sect.size;
+  } else {
+    MachO::section Sect = getSection(Sec);
+    Res = Sect.size;
+  }
+
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getSectionContents(DataRefImpl Sec,
+                                                    StringRef &Res) const {
+  uint32_t Offset;
+  uint64_t Size;
+
+  if (is64Bit()) {
+    MachO::section_64 Sect = getSection64(Sec);
+    Offset = Sect.offset;
+    Size = Sect.size;
+  } else {
+    MachO::section Sect = getSection(Sec);
+    Offset = Sect.offset;
+    Size = Sect.size;
+  }
+
+  Res = this->getData().substr(Offset, Size);
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getSectionAlignment(DataRefImpl Sec,
+                                                     uint64_t &Res) const {
+  uint32_t Align;
+  if (is64Bit()) {
+    MachO::section_64 Sect = getSection64(Sec);
+    Align = Sect.align;
+  } else {
+    MachO::section Sect = getSection(Sec);
+    Align = Sect.align;
+  }
+
+  Res = uint64_t(1) << Align;
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::isSectionText(DataRefImpl Sec,
+                                               bool &Res) const {
+  uint32_t Flags = getSectionFlags(this, Sec);
+  Res = Flags & MachO::S_ATTR_PURE_INSTRUCTIONS;
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::isSectionData(DataRefImpl Sec,
+                                               bool &Result) const {
+  uint32_t Flags = getSectionFlags(this, Sec);
+  unsigned SectionType = Flags & MachO::SECTION_TYPE;
+  Result = !(Flags & MachO::S_ATTR_PURE_INSTRUCTIONS) &&
+           !(SectionType == MachO::S_ZEROFILL ||
+             SectionType == MachO::S_GB_ZEROFILL);
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::isSectionBSS(DataRefImpl Sec,
+                                              bool &Result) const {
+  uint32_t Flags = getSectionFlags(this, Sec);
+  unsigned SectionType = Flags & MachO::SECTION_TYPE;
+  Result = !(Flags & MachO::S_ATTR_PURE_INSTRUCTIONS) &&
+           (SectionType == MachO::S_ZEROFILL ||
+            SectionType == MachO::S_GB_ZEROFILL);
+  return object_error::success;
+}
+
+std::error_code
+MachOObjectFile::isSectionRequiredForExecution(DataRefImpl Sec,
+                                               bool &Result) const {
+  // FIXME: Unimplemented.
+  Result = true;
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::isSectionVirtual(DataRefImpl Sec,
+                                                  bool &Result) const {
+  // FIXME: Unimplemented.
+  Result = false;
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::isSectionZeroInit(DataRefImpl Sec,
+                                                   bool &Res) const {
+  uint32_t Flags = getSectionFlags(this, Sec);
+  unsigned SectionType = Flags & MachO::SECTION_TYPE;
+  Res = SectionType == MachO::S_ZEROFILL ||
+    SectionType == MachO::S_GB_ZEROFILL;
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::isSectionReadOnlyData(DataRefImpl Sec,
+                                                       bool &Result) const {
+  // Consider using the code from isSectionText to look for __const sections.
+  // Alternately, emit S_ATTR_PURE_INSTRUCTIONS and/or S_ATTR_SOME_INSTRUCTIONS
+  // to use section attributes to distinguish code from data.
+
+  // FIXME: Unimplemented.
+  Result = false;
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec,
+                                                       DataRefImpl Symb,
+                                                       bool &Result) const {
+  SymbolRef::Type ST;
+  this->getSymbolType(Symb, ST);
+  if (ST == SymbolRef::ST_Unknown) {
+    Result = false;
+    return object_error::success;
+  }
+
+  uint64_t SectBegin, SectEnd;
+  getSectionAddress(Sec, SectBegin);
+  getSectionSize(Sec, SectEnd);
+  SectEnd += SectBegin;
+
+  uint64_t SymAddr;
+  getSymbolAddress(Symb, SymAddr);
+  Result = (SymAddr >= SectBegin) && (SymAddr < SectEnd);
+
+  return object_error::success;
+}
+
+relocation_iterator MachOObjectFile::section_rel_begin(DataRefImpl Sec) const {
+  DataRefImpl Ret;
+  Ret.d.a = Sec.d.a;
+  Ret.d.b = 0;
+  return relocation_iterator(RelocationRef(Ret, this));
+}
+
+relocation_iterator
+MachOObjectFile::section_rel_end(DataRefImpl Sec) const {
+  uint32_t Num;
+  if (is64Bit()) {
+    MachO::section_64 Sect = getSection64(Sec);
+    Num = Sect.nreloc;
+  } else {
+    MachO::section Sect = getSection(Sec);
+    Num = Sect.nreloc;
+  }
+
+  DataRefImpl Ret;
+  Ret.d.a = Sec.d.a;
+  Ret.d.b = Num;
+  return relocation_iterator(RelocationRef(Ret, this));
+}
+
+void MachOObjectFile::moveRelocationNext(DataRefImpl &Rel) const {
+  ++Rel.d.b;
+}
+
+std::error_code MachOObjectFile::getRelocationAddress(DataRefImpl Rel,
+                                                      uint64_t &Res) const {
+  uint64_t Offset;
+  getRelocationOffset(Rel, Offset);
+
+  DataRefImpl Sec;
+  Sec.d.a = Rel.d.a;
+  uint64_t SecAddress;
+  getSectionAddress(Sec, SecAddress);
+  Res = SecAddress + Offset;
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getRelocationOffset(DataRefImpl Rel,
+                                                     uint64_t &Res) const {
+  assert(getHeader().filetype == MachO::MH_OBJECT &&
+         "Only implemented for MH_OBJECT");
+  MachO::any_relocation_info RE = getRelocation(Rel);
+  Res = getAnyRelocationAddress(RE);
+  return object_error::success;
+}
+
+symbol_iterator
+MachOObjectFile::getRelocationSymbol(DataRefImpl Rel) const {
+  MachO::any_relocation_info RE = getRelocation(Rel);
+  if (isRelocationScattered(RE))
+    return symbol_end();
+
+  uint32_t SymbolIdx = getPlainRelocationSymbolNum(RE);
+  bool isExtern = getPlainRelocationExternal(RE);
+  if (!isExtern)
+    return symbol_end();
+
+  MachO::symtab_command S = getSymtabLoadCommand();
+  unsigned SymbolTableEntrySize = is64Bit() ?
+    sizeof(MachO::nlist_64) :
+    sizeof(MachO::nlist);
+  uint64_t Offset = S.symoff + SymbolIdx * SymbolTableEntrySize;
+  DataRefImpl Sym;
+  Sym.p = reinterpret_cast<uintptr_t>(getPtr(this, Offset));
+  return symbol_iterator(SymbolRef(Sym, this));
+}
+
+std::error_code MachOObjectFile::getRelocationType(DataRefImpl Rel,
+                                                   uint64_t &Res) const {
+  MachO::any_relocation_info RE = getRelocation(Rel);
+  Res = getAnyRelocationType(RE);
+  return object_error::success;
+}
+
+std::error_code
+MachOObjectFile::getRelocationTypeName(DataRefImpl Rel,
+                                       SmallVectorImpl<char> &Result) const {
+  StringRef res;
+  uint64_t RType;
+  getRelocationType(Rel, RType);
+
+  unsigned Arch = this->getArch();
+
+  switch (Arch) {
+    case Triple::x86: {
+      static const char *const Table[] =  {
+        "GENERIC_RELOC_VANILLA",
+        "GENERIC_RELOC_PAIR",
+        "GENERIC_RELOC_SECTDIFF",
+        "GENERIC_RELOC_PB_LA_PTR",
+        "GENERIC_RELOC_LOCAL_SECTDIFF",
+        "GENERIC_RELOC_TLV" };
+
+      if (RType > 5)
+        res = "Unknown";
+      else
+        res = Table[RType];
+      break;
+    }
+    case Triple::x86_64: {
+      static const char *const Table[] =  {
+        "X86_64_RELOC_UNSIGNED",
+        "X86_64_RELOC_SIGNED",
+        "X86_64_RELOC_BRANCH",
+        "X86_64_RELOC_GOT_LOAD",
+        "X86_64_RELOC_GOT",
+        "X86_64_RELOC_SUBTRACTOR",
+        "X86_64_RELOC_SIGNED_1",
+        "X86_64_RELOC_SIGNED_2",
+        "X86_64_RELOC_SIGNED_4",
+        "X86_64_RELOC_TLV" };
+
+      if (RType > 9)
+        res = "Unknown";
+      else
+        res = Table[RType];
+      break;
+    }
+    case Triple::arm: {
+      static const char *const Table[] =  {
+        "ARM_RELOC_VANILLA",
+        "ARM_RELOC_PAIR",
+        "ARM_RELOC_SECTDIFF",
+        "ARM_RELOC_LOCAL_SECTDIFF",
+        "ARM_RELOC_PB_LA_PTR",
+        "ARM_RELOC_BR24",
+        "ARM_THUMB_RELOC_BR22",
+        "ARM_THUMB_32BIT_BRANCH",
+        "ARM_RELOC_HALF",
+        "ARM_RELOC_HALF_SECTDIFF" };
+
+      if (RType > 9)
+        res = "Unknown";
+      else
+        res = Table[RType];
+      break;
+    }
+    case Triple::arm64:
+    case Triple::aarch64: {
+      static const char *const Table[] = {
+        "ARM64_RELOC_UNSIGNED",           "ARM64_RELOC_SUBTRACTOR",
+        "ARM64_RELOC_BRANCH26",           "ARM64_RELOC_PAGE21",
+        "ARM64_RELOC_PAGEOFF12",          "ARM64_RELOC_GOT_LOAD_PAGE21",
+        "ARM64_RELOC_GOT_LOAD_PAGEOFF12", "ARM64_RELOC_POINTER_TO_GOT",
+        "ARM64_RELOC_TLVP_LOAD_PAGE21",   "ARM64_RELOC_TLVP_LOAD_PAGEOFF12",
+        "ARM64_RELOC_ADDEND"
+      };
+
+      if (RType >= array_lengthof(Table))
+        res = "Unknown";
+      else
+        res = Table[RType];
+      break;
+    }
+    case Triple::ppc: {
+      static const char *const Table[] =  {
+        "PPC_RELOC_VANILLA",
+        "PPC_RELOC_PAIR",
+        "PPC_RELOC_BR14",
+        "PPC_RELOC_BR24",
+        "PPC_RELOC_HI16",
+        "PPC_RELOC_LO16",
+        "PPC_RELOC_HA16",
+        "PPC_RELOC_LO14",
+        "PPC_RELOC_SECTDIFF",
+        "PPC_RELOC_PB_LA_PTR",
+        "PPC_RELOC_HI16_SECTDIFF",
+        "PPC_RELOC_LO16_SECTDIFF",
+        "PPC_RELOC_HA16_SECTDIFF",
+        "PPC_RELOC_JBSR",
+        "PPC_RELOC_LO14_SECTDIFF",
+        "PPC_RELOC_LOCAL_SECTDIFF" };
+
+      if (RType > 15)
+        res = "Unknown";
+      else
+        res = Table[RType];
+      break;
+    }
+    case Triple::UnknownArch:
+      res = "Unknown";
+      break;
+  }
+  Result.append(res.begin(), res.end());
+  return object_error::success;
+}
+
+std::error_code
+MachOObjectFile::getRelocationValueString(DataRefImpl Rel,
+                                          SmallVectorImpl<char> &Result) const {
+  MachO::any_relocation_info RE = getRelocation(Rel);
+
+  unsigned Arch = this->getArch();
+
+  std::string fmtbuf;
+  raw_string_ostream fmt(fmtbuf);
+  unsigned Type = this->getAnyRelocationType(RE);
+  bool IsPCRel = this->getAnyRelocationPCRel(RE);
+
+  // Determine any addends that should be displayed with the relocation.
+  // These require decoding the relocation type, which is triple-specific.
+
+  // X86_64 has entirely custom relocation types.
+  if (Arch == Triple::x86_64) {
+    bool isPCRel = getAnyRelocationPCRel(RE);
+
+    switch (Type) {
+      case MachO::X86_64_RELOC_GOT_LOAD:
+      case MachO::X86_64_RELOC_GOT: {
+        printRelocationTargetName(this, RE, fmt);
+        fmt << "@GOT";
+        if (isPCRel) fmt << "PCREL";
+        break;
+      }
+      case MachO::X86_64_RELOC_SUBTRACTOR: {
+        DataRefImpl RelNext = Rel;
+        moveRelocationNext(RelNext);
+        MachO::any_relocation_info RENext = getRelocation(RelNext);
+
+        // X86_64_RELOC_SUBTRACTOR must be followed by a relocation of type
+        // X86_64_RELOC_UNSIGNED.
+        // NOTE: Scattered relocations don't exist on x86_64.
+        unsigned RType = getAnyRelocationType(RENext);
+        if (RType != MachO::X86_64_RELOC_UNSIGNED)
+          report_fatal_error("Expected X86_64_RELOC_UNSIGNED after "
+                             "X86_64_RELOC_SUBTRACTOR.");
+
+        // The X86_64_RELOC_UNSIGNED contains the minuend symbol;
+        // X86_64_RELOC_SUBTRACTOR contains the subtrahend.
+        printRelocationTargetName(this, RENext, fmt);
+        fmt << "-";
+        printRelocationTargetName(this, RE, fmt);
+        break;
+      }
+      case MachO::X86_64_RELOC_TLV:
+        printRelocationTargetName(this, RE, fmt);
+        fmt << "@TLV";
+        if (isPCRel) fmt << "P";
+        break;
+      case MachO::X86_64_RELOC_SIGNED_1:
+        printRelocationTargetName(this, RE, fmt);
+        fmt << "-1";
+        break;
+      case MachO::X86_64_RELOC_SIGNED_2:
+        printRelocationTargetName(this, RE, fmt);
+        fmt << "-2";
+        break;
+      case MachO::X86_64_RELOC_SIGNED_4:
+        printRelocationTargetName(this, RE, fmt);
+        fmt << "-4";
+        break;
+      default:
+        printRelocationTargetName(this, RE, fmt);
+        break;
+    }
+  // X86 and ARM share some relocation types in common.
+  } else if (Arch == Triple::x86 || Arch == Triple::arm ||
+             Arch == Triple::ppc) {
+    // Generic relocation types...
+    switch (Type) {
+      case MachO::GENERIC_RELOC_PAIR: // prints no info
+        return object_error::success;
+      case MachO::GENERIC_RELOC_SECTDIFF: {
+        DataRefImpl RelNext = Rel;
+        moveRelocationNext(RelNext);
+        MachO::any_relocation_info RENext = getRelocation(RelNext);
+
+        // X86 sect diff's must be followed by a relocation of type
+        // GENERIC_RELOC_PAIR.
+        unsigned RType = getAnyRelocationType(RENext);
+
+        if (RType != MachO::GENERIC_RELOC_PAIR)
+          report_fatal_error("Expected GENERIC_RELOC_PAIR after "
+                             "GENERIC_RELOC_SECTDIFF.");
+
+        printRelocationTargetName(this, RE, fmt);
+        fmt << "-";
+        printRelocationTargetName(this, RENext, fmt);
+        break;
+      }
+    }
+
+    if (Arch == Triple::x86 || Arch == Triple::ppc) {
+      switch (Type) {
+        case MachO::GENERIC_RELOC_LOCAL_SECTDIFF: {
+          DataRefImpl RelNext = Rel;
+          moveRelocationNext(RelNext);
+          MachO::any_relocation_info RENext = getRelocation(RelNext);
+
+          // X86 sect diff's must be followed by a relocation of type
+          // GENERIC_RELOC_PAIR.
+          unsigned RType = getAnyRelocationType(RENext);
+          if (RType != MachO::GENERIC_RELOC_PAIR)
+            report_fatal_error("Expected GENERIC_RELOC_PAIR after "
+                               "GENERIC_RELOC_LOCAL_SECTDIFF.");
+
+          printRelocationTargetName(this, RE, fmt);
+          fmt << "-";
+          printRelocationTargetName(this, RENext, fmt);
+          break;
+        }
+        case MachO::GENERIC_RELOC_TLV: {
+          printRelocationTargetName(this, RE, fmt);
+          fmt << "@TLV";
+          if (IsPCRel) fmt << "P";
+          break;
+        }
+        default:
+          printRelocationTargetName(this, RE, fmt);
+      }
+    } else { // ARM-specific relocations
+      switch (Type) {
+        case MachO::ARM_RELOC_HALF:
+        case MachO::ARM_RELOC_HALF_SECTDIFF: {
+          // Half relocations steal a bit from the length field to encode
+          // whether this is an upper16 or a lower16 relocation.
+          bool isUpper = getAnyRelocationLength(RE) >> 1;
+
+          if (isUpper)
+            fmt << ":upper16:(";
+          else
+            fmt << ":lower16:(";
+          printRelocationTargetName(this, RE, fmt);
+
+          DataRefImpl RelNext = Rel;
+          moveRelocationNext(RelNext);
+          MachO::any_relocation_info RENext = getRelocation(RelNext);
+
+          // ARM half relocs must be followed by a relocation of type
+          // ARM_RELOC_PAIR.
+          unsigned RType = getAnyRelocationType(RENext);
+          if (RType != MachO::ARM_RELOC_PAIR)
+            report_fatal_error("Expected ARM_RELOC_PAIR after "
+                               "ARM_RELOC_HALF");
+
+          // NOTE: The half of the target virtual address is stashed in the
+          // address field of the secondary relocation, but we can't reverse
+          // engineer the constant offset from it without decoding the movw/movt
+          // instruction to find the other half in its immediate field.
+
+          // ARM_RELOC_HALF_SECTDIFF encodes the second section in the
+          // symbol/section pointer of the follow-on relocation.
+          if (Type == MachO::ARM_RELOC_HALF_SECTDIFF) {
+            fmt << "-";
+            printRelocationTargetName(this, RENext, fmt);
+          }
+
+          fmt << ")";
+          break;
+        }
+        default: {
+          printRelocationTargetName(this, RE, fmt);
+        }
+      }
+    }
+  } else
+    printRelocationTargetName(this, RE, fmt);
+
+  fmt.flush();
+  Result.append(fmtbuf.begin(), fmtbuf.end());
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getRelocationHidden(DataRefImpl Rel,
+                                                     bool &Result) const {
+  unsigned Arch = getArch();
+  uint64_t Type;
+  getRelocationType(Rel, Type);
+
+  Result = false;
+
+  // On arches that use the generic relocations, GENERIC_RELOC_PAIR
+  // is always hidden.
+  if (Arch == Triple::x86 || Arch == Triple::arm || Arch == Triple::ppc) {
+    if (Type == MachO::GENERIC_RELOC_PAIR) Result = true;
+  } else if (Arch == Triple::x86_64) {
+    // On x86_64, X86_64_RELOC_UNSIGNED is hidden only when it follows
+    // an X86_64_RELOC_SUBTRACTOR.
+    if (Type == MachO::X86_64_RELOC_UNSIGNED && Rel.d.a > 0) {
+      DataRefImpl RelPrev = Rel;
+      RelPrev.d.a--;
+      uint64_t PrevType;
+      getRelocationType(RelPrev, PrevType);
+      if (PrevType == MachO::X86_64_RELOC_SUBTRACTOR)
+        Result = true;
+    }
+  }
+
+  return object_error::success;
+}
+
+std::error_code MachOObjectFile::getLibraryNext(DataRefImpl LibData,
+                                                LibraryRef &Res) const {
+  report_fatal_error("Needed libraries unimplemented in MachOObjectFile");
+}
+
+std::error_code MachOObjectFile::getLibraryPath(DataRefImpl LibData,
+                                                StringRef &Res) const {
+  report_fatal_error("Needed libraries unimplemented in MachOObjectFile");
+}
+
+//
+// guessLibraryShortName() is passed a name of a dynamic library and returns a
+// guess on what the short name is.  Then name is returned as a substring of the
+// StringRef Name passed in.  The name of the dynamic library is recognized as
+// a framework if it has one of the two following forms:
+//      Foo.framework/Versions/A/Foo
+//      Foo.framework/Foo
+// Where A and Foo can be any string.  And may contain a trailing suffix
+// starting with an underbar.  If the Name is recognized as a framework then
+// isFramework is set to true else it is set to false.  If the Name has a
+// suffix then Suffix is set to the substring in Name that contains the suffix
+// else it is set to a NULL StringRef.
+//
+// The Name of the dynamic library is recognized as a library name if it has
+// one of the two following forms:
+//      libFoo.A.dylib
+//      libFoo.dylib
+// The library may have a suffix trailing the name Foo of the form:
+//      libFoo_profile.A.dylib
+//      libFoo_profile.dylib
+//
+// The Name of the dynamic library is also recognized as a library name if it
+// has the following form:
+//      Foo.qtx
+//
+// If the Name of the dynamic library is none of the forms above then a NULL
+// StringRef is returned.
+//
+StringRef MachOObjectFile::guessLibraryShortName(StringRef Name,
+                                                 bool &isFramework,
+                                                 StringRef &Suffix) {
+  StringRef Foo, F, DotFramework, V, Dylib, Lib, Dot, Qtx;
+  size_t a, b, c, d, Idx;
+
+  isFramework = false;
+  Suffix = StringRef();
+
+  // Pull off the last component and make Foo point to it
+  a = Name.rfind('/');
+  if (a == Name.npos || a == 0)
+    goto guess_library;
+  Foo = Name.slice(a+1, Name.npos);
+
+  // Look for a suffix starting with a '_'
+  Idx = Foo.rfind('_');
+  if (Idx != Foo.npos && Foo.size() >= 2) {
+    Suffix = Foo.slice(Idx, Foo.npos);
+    Foo = Foo.slice(0, Idx);
+  }
+
+  // First look for the form Foo.framework/Foo
+  b = Name.rfind('/', a);
+  if (b == Name.npos)
+    Idx = 0;
+  else
+    Idx = b+1;
+  F = Name.slice(Idx, Idx + Foo.size());
+  DotFramework = Name.slice(Idx + Foo.size(),
+                            Idx + Foo.size() + sizeof(".framework/")-1);
+  if (F == Foo && DotFramework == ".framework/") {
+    isFramework = true;
+    return Foo;
+  }
+
+  // Next look for the form Foo.framework/Versions/A/Foo
+  if (b == Name.npos)
+    goto guess_library;
+  c =  Name.rfind('/', b);
+  if (c == Name.npos || c == 0)
+    goto guess_library;
+  V = Name.slice(c+1, Name.npos);
+  if (!V.startswith("Versions/"))
+    goto guess_library;
+  d =  Name.rfind('/', c);
+  if (d == Name.npos)
+    Idx = 0;
+  else
+    Idx = d+1;
+  F = Name.slice(Idx, Idx + Foo.size());
+  DotFramework = Name.slice(Idx + Foo.size(),
+                            Idx + Foo.size() + sizeof(".framework/")-1);
+  if (F == Foo && DotFramework == ".framework/") {
+    isFramework = true;
+    return Foo;
+  }
+
+guess_library:
+  // pull off the suffix after the "." and make a point to it
+  a = Name.rfind('.');
+  if (a == Name.npos || a == 0)
+    return StringRef();
+  Dylib = Name.slice(a, Name.npos);
+  if (Dylib != ".dylib")
+    goto guess_qtx;
+
+  // First pull off the version letter for the form Foo.A.dylib if any.
+  if (a >= 3) {
+    Dot = Name.slice(a-2, a-1);
+    if (Dot == ".")
+      a = a - 2;
+  }
+
+  b = Name.rfind('/', a);
+  if (b == Name.npos)
+    b = 0;
+  else
+    b = b+1;
+  // ignore any suffix after an underbar like Foo_profile.A.dylib
+  Idx = Name.find('_', b);
+  if (Idx != Name.npos && Idx != b) {
+    Lib = Name.slice(b, Idx);
+    Suffix = Name.slice(Idx, a);
+  }
+  else
+    Lib = Name.slice(b, a);
+  // There are incorrect library names of the form:
+  // libATS.A_profile.dylib so check for these.
+  if (Lib.size() >= 3) {
+    Dot = Lib.slice(Lib.size()-2, Lib.size()-1);
+    if (Dot == ".")
+      Lib = Lib.slice(0, Lib.size()-2);
+  }
+  return Lib;
+
+guess_qtx:
+  Qtx = Name.slice(a, Name.npos);
+  if (Qtx != ".qtx")
+    return StringRef();
+  b = Name.rfind('/', a);
+  if (b == Name.npos)
+    Lib = Name.slice(0, a);
+  else
+    Lib = Name.slice(b+1, a);
+  // There are library names of the form: QT.A.qtx so check for these.
+  if (Lib.size() >= 3) {
+    Dot = Lib.slice(Lib.size()-2, Lib.size()-1);
+    if (Dot == ".")
+      Lib = Lib.slice(0, Lib.size()-2);
+  }
+  return Lib;
+}
+
+// getLibraryShortNameByIndex() is used to get the short name of the library
+// for an undefined symbol in a linked Mach-O binary that was linked with the
+// normal two-level namespace default (that is MH_TWOLEVEL in the header).
+// It is passed the index (0 - based) of the library as translated from
+// GET_LIBRARY_ORDINAL (1 - based).
+std::error_code MachOObjectFile::getLibraryShortNameByIndex(unsigned Index,
+                                                            StringRef &Res) {
+  if (Index >= Libraries.size())
+    return object_error::parse_failed;
+
+  MachO::dylib_command D =
+    getStruct<MachO::dylib_command>(this, Libraries[Index]);
+  if (D.dylib.name >= D.cmdsize)
+    return object_error::parse_failed;
+
+  // If the cache of LibrariesShortNames is not built up do that first for
+  // all the Libraries.
+  if (LibrariesShortNames.size() == 0) {
+    for (unsigned i = 0; i < Libraries.size(); i++) {
+      MachO::dylib_command D =
+        getStruct<MachO::dylib_command>(this, Libraries[i]);
+      if (D.dylib.name >= D.cmdsize) {
+        LibrariesShortNames.push_back(StringRef());
+        continue;
+      }
+      const char *P = (const char *)(Libraries[i]) + D.dylib.name;
+      StringRef Name = StringRef(P);
+      StringRef Suffix;
+      bool isFramework;
+      StringRef shortName = guessLibraryShortName(Name, isFramework, Suffix);
+      if (shortName == StringRef())
+        LibrariesShortNames.push_back(Name);
+      else
+        LibrariesShortNames.push_back(shortName);
+    }
+  }
+
+  Res = LibrariesShortNames[Index];
+  return object_error::success;
+}
+
+basic_symbol_iterator MachOObjectFile::symbol_begin_impl() const {
+  return getSymbolByIndex(0);
+}
+
+basic_symbol_iterator MachOObjectFile::symbol_end_impl() const {
+  DataRefImpl DRI;
+  if (!SymtabLoadCmd)
+    return basic_symbol_iterator(SymbolRef(DRI, this));
+
+  MachO::symtab_command Symtab = getSymtabLoadCommand();
+  unsigned SymbolTableEntrySize = is64Bit() ?
+    sizeof(MachO::nlist_64) :
+    sizeof(MachO::nlist);
+  unsigned Offset = Symtab.symoff +
+    Symtab.nsyms * SymbolTableEntrySize;
+  DRI.p = reinterpret_cast<uintptr_t>(getPtr(this, Offset));
+  return basic_symbol_iterator(SymbolRef(DRI, this));
+}
+
+basic_symbol_iterator MachOObjectFile::getSymbolByIndex(unsigned Index) const {
+  DataRefImpl DRI;
+  if (!SymtabLoadCmd)
+    return basic_symbol_iterator(SymbolRef(DRI, this));
+
+  MachO::symtab_command Symtab = getSymtabLoadCommand();
+  assert(Index < Symtab.nsyms && "Requested symbol index is out of range.");
+  unsigned SymbolTableEntrySize =
+    is64Bit() ? sizeof(MachO::nlist_64) : sizeof(MachO::nlist);
+  DRI.p = reinterpret_cast<uintptr_t>(getPtr(this, Symtab.symoff));
+  DRI.p += Index * SymbolTableEntrySize;
+  return basic_symbol_iterator(SymbolRef(DRI, this));
+}
+
+section_iterator MachOObjectFile::section_begin() const {
+  DataRefImpl DRI;
+  return section_iterator(SectionRef(DRI, this));
+}
+
+section_iterator MachOObjectFile::section_end() const {
+  DataRefImpl DRI;
+  DRI.d.a = Sections.size();
+  return section_iterator(SectionRef(DRI, this));
+}
+
+library_iterator MachOObjectFile::needed_library_begin() const {
+  // TODO: implement
+  report_fatal_error("Needed libraries unimplemented in MachOObjectFile");
+}
+
+library_iterator MachOObjectFile::needed_library_end() const {
+  // TODO: implement
+  report_fatal_error("Needed libraries unimplemented in MachOObjectFile");
+}
+
+uint8_t MachOObjectFile::getBytesInAddress() const {
+  return is64Bit() ? 8 : 4;
+}
+
+StringRef MachOObjectFile::getFileFormatName() const {
+  unsigned CPUType = getCPUType(this);
+  if (!is64Bit()) {
+    switch (CPUType) {
+    case llvm::MachO::CPU_TYPE_I386:
+      return "Mach-O 32-bit i386";
+    case llvm::MachO::CPU_TYPE_ARM:
+      return "Mach-O arm";
+    case llvm::MachO::CPU_TYPE_POWERPC:
+      return "Mach-O 32-bit ppc";
+    default:
+      assert((CPUType & llvm::MachO::CPU_ARCH_ABI64) == 0 &&
+             "64-bit object file when we're not 64-bit?");
+      return "Mach-O 32-bit unknown";
+    }
+  }
+
+  // Make sure the cpu type has the correct mask.
+  assert((CPUType & llvm::MachO::CPU_ARCH_ABI64)
+         == llvm::MachO::CPU_ARCH_ABI64 &&
+         "32-bit object file when we're 64-bit?");
+
+  switch (CPUType) {
+  case llvm::MachO::CPU_TYPE_X86_64:
+    return "Mach-O 64-bit x86-64";
+  case llvm::MachO::CPU_TYPE_ARM64:
+    return "Mach-O arm64";
+  case llvm::MachO::CPU_TYPE_POWERPC64:
+    return "Mach-O 64-bit ppc64";
+  default:
+    return "Mach-O 64-bit unknown";
+  }
+}
+
+Triple::ArchType MachOObjectFile::getArch(uint32_t CPUType) {
+  switch (CPUType) {
+  case llvm::MachO::CPU_TYPE_I386:
+    return Triple::x86;
+  case llvm::MachO::CPU_TYPE_X86_64:
+    return Triple::x86_64;
+  case llvm::MachO::CPU_TYPE_ARM:
+    return Triple::arm;
+  case llvm::MachO::CPU_TYPE_ARM64:
+    return Triple::arm64;
+  case llvm::MachO::CPU_TYPE_POWERPC:
+    return Triple::ppc;
+  case llvm::MachO::CPU_TYPE_POWERPC64:
+    return Triple::ppc64;
+  default:
+    return Triple::UnknownArch;
+  }
+}
+
+Triple MachOObjectFile::getArch(uint32_t CPUType, uint32_t CPUSubType) {
+  switch (CPUType) {
+  case MachO::CPU_TYPE_I386:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_I386_ALL:
+      return Triple("i386-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_X86_64:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_X86_64_ALL:
+      return Triple("x86_64-apple-darwin");
+    case MachO::CPU_SUBTYPE_X86_64_H:
+      return Triple("x86_64h-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_ARM:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_ARM_V4T:
+      return Triple("armv4t-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V5TEJ:
+      return Triple("armv5e-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V6:
+      return Triple("armv6-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V6M:
+      return Triple("armv6m-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7EM:
+      return Triple("armv7em-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7K:
+      return Triple("armv7k-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7M:
+      return Triple("armv7m-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7S:
+      return Triple("armv7s-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_ARM64:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_ARM64_ALL:
+      return Triple("arm64-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_POWERPC:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_POWERPC_ALL:
+      return Triple("ppc-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_POWERPC64:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_POWERPC_ALL:
+      return Triple("ppc64-apple-darwin");
+    default:
+      return Triple();
+    }
+  default:
+    return Triple();
+  }
+}
+
+Triple MachOObjectFile::getHostArch() {
+  return Triple(sys::getDefaultTargetTriple());
+}
+
+Triple MachOObjectFile::getArch(StringRef ArchFlag) {
+  if (ArchFlag == "i386")
+    return Triple("i386-apple-darwin");
+  else if (ArchFlag == "x86_64")
+    return Triple("x86_64-apple-darwin");
+  else if (ArchFlag == "x86_64h")
+    return Triple("x86_64h-apple-darwin");
+  else if (ArchFlag == "armv4t" || ArchFlag == "arm")
+    return Triple("armv4t-apple-darwin");
+  else if (ArchFlag == "armv5e")
+    return Triple("armv5e-apple-darwin");
+  else if (ArchFlag == "armv6")
+    return Triple("armv6-apple-darwin");
+  else if (ArchFlag == "armv6m")
+    return Triple("armv6m-apple-darwin");
+  else if (ArchFlag == "armv7em")
+    return Triple("armv7em-apple-darwin");
+  else if (ArchFlag == "armv7k")
+    return Triple("armv7k-apple-darwin");
+  else if (ArchFlag == "armv7k")
+    return Triple("armv7m-apple-darwin");
+  else if (ArchFlag == "armv7s")
+    return Triple("armv7s-apple-darwin");
+  else if (ArchFlag == "arm64")
+    return Triple("arm64-apple-darwin");
+  else if (ArchFlag == "ppc")
+    return Triple("ppc-apple-darwin");
+  else if (ArchFlag == "ppc64")
+    return Triple("ppc64-apple-darwin");
+  else
+    return Triple();
+}
+
+unsigned MachOObjectFile::getArch() const {
+  return getArch(getCPUType(this));
+}
+
+StringRef MachOObjectFile::getLoadName() const {
+  // TODO: Implement
+  report_fatal_error("get_load_name() unimplemented in MachOObjectFile");
+}
+
+relocation_iterator MachOObjectFile::section_rel_begin(unsigned Index) const {
+  DataRefImpl DRI;
+  DRI.d.a = Index;
+  return section_rel_begin(DRI);
+}
+
+relocation_iterator MachOObjectFile::section_rel_end(unsigned Index) const {
+  DataRefImpl DRI;
+  DRI.d.a = Index;
+  return section_rel_end(DRI);
+}
+
+dice_iterator MachOObjectFile::begin_dices() const {
+  DataRefImpl DRI;
+  if (!DataInCodeLoadCmd)
+    return dice_iterator(DiceRef(DRI, this));
+
+  MachO::linkedit_data_command DicLC = getDataInCodeLoadCommand();
+  DRI.p = reinterpret_cast<uintptr_t>(getPtr(this, DicLC.dataoff));
+  return dice_iterator(DiceRef(DRI, this));
+}
+
+dice_iterator MachOObjectFile::end_dices() const {
+  DataRefImpl DRI;
+  if (!DataInCodeLoadCmd)
+    return dice_iterator(DiceRef(DRI, this));
+
+  MachO::linkedit_data_command DicLC = getDataInCodeLoadCommand();
+  unsigned Offset = DicLC.dataoff + DicLC.datasize;
+  DRI.p = reinterpret_cast<uintptr_t>(getPtr(this, Offset));
+  return dice_iterator(DiceRef(DRI, this));
+}
+
+StringRef
+MachOObjectFile::getSectionFinalSegmentName(DataRefImpl Sec) const {
+  ArrayRef<char> Raw = getSectionRawFinalSegmentName(Sec);
+  return parseSegmentOrSectionName(Raw.data());
+}
+
+ArrayRef<char>
+MachOObjectFile::getSectionRawName(DataRefImpl Sec) const {
+  const section_base *Base =
+    reinterpret_cast<const section_base *>(Sections[Sec.d.a]);
+  return ArrayRef<char>(Base->sectname);
+}
+
+ArrayRef<char>
+MachOObjectFile::getSectionRawFinalSegmentName(DataRefImpl Sec) const {
+  const section_base *Base =
+    reinterpret_cast<const section_base *>(Sections[Sec.d.a]);
+  return ArrayRef<char>(Base->segname);
+}
+
+bool
+MachOObjectFile::isRelocationScattered(const MachO::any_relocation_info &RE)
+  const {
+  if (getCPUType(this) == MachO::CPU_TYPE_X86_64)
+    return false;
+  return getPlainRelocationAddress(RE) & MachO::R_SCATTERED;
+}
+
+unsigned MachOObjectFile::getPlainRelocationSymbolNum(
+    const MachO::any_relocation_info &RE) const {
+  if (isLittleEndian())
+    return RE.r_word1 & 0xffffff;
+  return RE.r_word1 >> 8;
+}
+
+bool MachOObjectFile::getPlainRelocationExternal(
+    const MachO::any_relocation_info &RE) const {
+  if (isLittleEndian())
+    return (RE.r_word1 >> 27) & 1;
+  return (RE.r_word1 >> 4) & 1;
+}
+
+bool MachOObjectFile::getScatteredRelocationScattered(
+    const MachO::any_relocation_info &RE) const {
+  return RE.r_word0 >> 31;
+}
+
+uint32_t MachOObjectFile::getScatteredRelocationValue(
+    const MachO::any_relocation_info &RE) const {
+  return RE.r_word1;
+}
+
+unsigned MachOObjectFile::getAnyRelocationAddress(
+    const MachO::any_relocation_info &RE) const {
+  if (isRelocationScattered(RE))
+    return getScatteredRelocationAddress(RE);
+  return getPlainRelocationAddress(RE);
+}
+
+unsigned MachOObjectFile::getAnyRelocationPCRel(
+    const MachO::any_relocation_info &RE) const {
+  if (isRelocationScattered(RE))
+    return getScatteredRelocationPCRel(this, RE);
+  return getPlainRelocationPCRel(this, RE);
+}
+
+unsigned MachOObjectFile::getAnyRelocationLength(
+    const MachO::any_relocation_info &RE) const {
+  if (isRelocationScattered(RE))
+    return getScatteredRelocationLength(RE);
+  return getPlainRelocationLength(this, RE);
+}
+
+unsigned
+MachOObjectFile::getAnyRelocationType(
+                                   const MachO::any_relocation_info &RE) const {
+  if (isRelocationScattered(RE))
+    return getScatteredRelocationType(RE);
+  return getPlainRelocationType(this, RE);
+}
+
+SectionRef
+MachOObjectFile::getRelocationSection(
+                                   const MachO::any_relocation_info &RE) const {
+  if (isRelocationScattered(RE) || getPlainRelocationExternal(RE))
+    return *section_end();
+  unsigned SecNum = getPlainRelocationSymbolNum(RE) - 1;
+  DataRefImpl DRI;
+  DRI.d.a = SecNum;
+  return SectionRef(DRI, this);
+}
+
+MachOObjectFile::LoadCommandInfo
+MachOObjectFile::getFirstLoadCommandInfo() const {
+  MachOObjectFile::LoadCommandInfo Load;
+
+  unsigned HeaderSize = is64Bit() ? sizeof(MachO::mach_header_64) :
+                                    sizeof(MachO::mach_header);
+  Load.Ptr = getPtr(this, HeaderSize);
+  Load.C = getStruct<MachO::load_command>(this, Load.Ptr);
+  return Load;
+}
+
+MachOObjectFile::LoadCommandInfo
+MachOObjectFile::getNextLoadCommandInfo(const LoadCommandInfo &L) const {
+  MachOObjectFile::LoadCommandInfo Next;
+  Next.Ptr = L.Ptr + L.C.cmdsize;
+  Next.C = getStruct<MachO::load_command>(this, Next.Ptr);
+  return Next;
+}
+
+MachO::section MachOObjectFile::getSection(DataRefImpl DRI) const {
+  return getStruct<MachO::section>(this, Sections[DRI.d.a]);
+}
+
+MachO::section_64 MachOObjectFile::getSection64(DataRefImpl DRI) const {
+  return getStruct<MachO::section_64>(this, Sections[DRI.d.a]);
+}
+
+MachO::section MachOObjectFile::getSection(const LoadCommandInfo &L,
+                                           unsigned Index) const {
+  const char *Sec = getSectionPtr(this, L, Index);
+  return getStruct<MachO::section>(this, Sec);
+}
+
+MachO::section_64 MachOObjectFile::getSection64(const LoadCommandInfo &L,
+                                                unsigned Index) const {
+  const char *Sec = getSectionPtr(this, L, Index);
+  return getStruct<MachO::section_64>(this, Sec);
+}
+
+MachO::nlist
+MachOObjectFile::getSymbolTableEntry(DataRefImpl DRI) const {
+  const char *P = reinterpret_cast<const char *>(DRI.p);
+  return getStruct<MachO::nlist>(this, P);
+}
+
+MachO::nlist_64
+MachOObjectFile::getSymbol64TableEntry(DataRefImpl DRI) const {
+  const char *P = reinterpret_cast<const char *>(DRI.p);
+  return getStruct<MachO::nlist_64>(this, P);
+}
+
+MachO::linkedit_data_command
+MachOObjectFile::getLinkeditDataLoadCommand(const LoadCommandInfo &L) const {
+  return getStruct<MachO::linkedit_data_command>(this, L.Ptr);
+}
+
+MachO::segment_command
+MachOObjectFile::getSegmentLoadCommand(const LoadCommandInfo &L) const {
+  return getStruct<MachO::segment_command>(this, L.Ptr);
+}
+
+MachO::segment_command_64
+MachOObjectFile::getSegment64LoadCommand(const LoadCommandInfo &L) const {
+  return getStruct<MachO::segment_command_64>(this, L.Ptr);
+}
+
+MachO::linker_options_command
+MachOObjectFile::getLinkerOptionsLoadCommand(const LoadCommandInfo &L) const {
+  return getStruct<MachO::linker_options_command>(this, L.Ptr);
+}
+
+MachO::version_min_command
+MachOObjectFile::getVersionMinLoadCommand(const LoadCommandInfo &L) const {
+  return getStruct<MachO::version_min_command>(this, L.Ptr);
+}
+
+MachO::dylib_command
+MachOObjectFile::getDylibIDLoadCommand(const LoadCommandInfo &L) const {
+  return getStruct<MachO::dylib_command>(this, L.Ptr);
+}
+
+
+MachO::any_relocation_info
+MachOObjectFile::getRelocation(DataRefImpl Rel) const {
+  DataRefImpl Sec;
+  Sec.d.a = Rel.d.a;
+  uint32_t Offset;
+  if (is64Bit()) {
+    MachO::section_64 Sect = getSection64(Sec);
+    Offset = Sect.reloff;
+  } else {
+    MachO::section Sect = getSection(Sec);
+    Offset = Sect.reloff;
+  }
+
+  auto P = reinterpret_cast<const MachO::any_relocation_info *>(
+      getPtr(this, Offset)) + Rel.d.b;
+  return getStruct<MachO::any_relocation_info>(
+      this, reinterpret_cast<const char *>(P));
+}
+
+MachO::data_in_code_entry
+MachOObjectFile::getDice(DataRefImpl Rel) const {
+  const char *P = reinterpret_cast<const char *>(Rel.p);
+  return getStruct<MachO::data_in_code_entry>(this, P);
+}
+
+MachO::mach_header MachOObjectFile::getHeader() const {
+  return getStruct<MachO::mach_header>(this, getPtr(this, 0));
+}
+
+MachO::mach_header_64 MachOObjectFile::getHeader64() const {
+  return getStruct<MachO::mach_header_64>(this, getPtr(this, 0));
+}
+
+uint32_t MachOObjectFile::getIndirectSymbolTableEntry(
+                                             const MachO::dysymtab_command &DLC,
+                                             unsigned Index) const {
+  uint64_t Offset = DLC.indirectsymoff + Index * sizeof(uint32_t);
+  return getStruct<uint32_t>(this, getPtr(this, Offset));
+}
+
+MachO::data_in_code_entry
+MachOObjectFile::getDataInCodeTableEntry(uint32_t DataOffset,
+                                         unsigned Index) const {
+  uint64_t Offset = DataOffset + Index * sizeof(MachO::data_in_code_entry);
+  return getStruct<MachO::data_in_code_entry>(this, getPtr(this, Offset));
+}
+
+MachO::symtab_command MachOObjectFile::getSymtabLoadCommand() const {
+  return getStruct<MachO::symtab_command>(this, SymtabLoadCmd);
+}
+
+MachO::dysymtab_command MachOObjectFile::getDysymtabLoadCommand() const {
+  return getStruct<MachO::dysymtab_command>(this, DysymtabLoadCmd);
+}
+
+MachO::linkedit_data_command
+MachOObjectFile::getDataInCodeLoadCommand() const {
+  if (DataInCodeLoadCmd)
+    return getStruct<MachO::linkedit_data_command>(this, DataInCodeLoadCmd);
+
+  // If there is no DataInCodeLoadCmd return a load command with zero'ed fields.
+  MachO::linkedit_data_command Cmd;
+  Cmd.cmd = MachO::LC_DATA_IN_CODE;
+  Cmd.cmdsize = sizeof(MachO::linkedit_data_command);
+  Cmd.dataoff = 0;
+  Cmd.datasize = 0;
+  return Cmd;
+}
+
+StringRef MachOObjectFile::getStringTableData() const {
+  MachO::symtab_command S = getSymtabLoadCommand();
+  return getData().substr(S.stroff, S.strsize);
+}
+
+bool MachOObjectFile::is64Bit() const {
+  return getType() == getMachOType(false, true) ||
+    getType() == getMachOType(true, true);
+}
+
+void MachOObjectFile::ReadULEB128s(uint64_t Index,
+                                   SmallVectorImpl<uint64_t> &Out) const {
+  DataExtractor extractor(ObjectFile::getData(), true, 0);
+
+  uint32_t offset = Index;
+  uint64_t data = 0;
+  while (uint64_t delta = extractor.getULEB128(&offset)) {
+    data += delta;
+    Out.push_back(data);
+  }
+}
+
+ErrorOr<ObjectFile *>
+ObjectFile::createMachOObjectFile(std::unique_ptr<MemoryBuffer> &Buffer) {
+  StringRef Magic = Buffer->getBuffer().slice(0, 4);
+  std::error_code EC;
+  std::unique_ptr<MachOObjectFile> Ret;
+  if (Magic == "\xFE\xED\xFA\xCE")
+    Ret.reset(new MachOObjectFile(std::move(Buffer), false, false, EC));
+  else if (Magic == "\xCE\xFA\xED\xFE")
+    Ret.reset(new MachOObjectFile(std::move(Buffer), true, false, EC));
+  else if (Magic == "\xFE\xED\xFA\xCF")
+    Ret.reset(new MachOObjectFile(std::move(Buffer), false, true, EC));
+  else if (Magic == "\xCF\xFA\xED\xFE")
+    Ret.reset(new MachOObjectFile(std::move(Buffer), true, true, EC));
+  else
+    return object_error::parse_failed;
+
+  if (EC)
+    return EC;
+  return Ret.release();
+}
+
diff --git a/contrib/llvm/lib/Object/MachOUniversal.cpp b/contrib/llvm/lib/Object/MachOUniversal.cpp
new file mode 100644
index 0000000..4ba5d96
--- /dev/null
+++ b/contrib/llvm/lib/Object/MachOUniversal.cpp
@@ -0,0 +1,155 @@
+//===- MachOUniversal.cpp - Mach-O universal binary -------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the MachOUniversalBinary class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/MachOUniversal.h"
+#include "llvm/Object/MachO.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Object/Archive.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/MemoryBuffer.h"
+
+using namespace llvm;
+using namespace object;
+
+template<typename T>
+static void SwapStruct(T &Value);
+
+template<>
+void SwapStruct(MachO::fat_header &H) {
+  sys::swapByteOrder(H.magic);
+  sys::swapByteOrder(H.nfat_arch);
+}
+
+template<>
+void SwapStruct(MachO::fat_arch &H) {
+  sys::swapByteOrder(H.cputype);
+  sys::swapByteOrder(H.cpusubtype);
+  sys::swapByteOrder(H.offset);
+  sys::swapByteOrder(H.size);
+  sys::swapByteOrder(H.align);
+}
+
+template<typename T>
+static T getUniversalBinaryStruct(const char *Ptr) {
+  T Res;
+  memcpy(&Res, Ptr, sizeof(T));
+  // Universal binary headers have big-endian byte order.
+  if (sys::IsLittleEndianHost)
+    SwapStruct(Res);
+  return Res;
+}
+
+MachOUniversalBinary::ObjectForArch::ObjectForArch(
+    const MachOUniversalBinary *Parent, uint32_t Index)
+    : Parent(Parent), Index(Index) {
+  if (!Parent || Index >= Parent->getNumberOfObjects()) {
+    clear();
+  } else {
+    // Parse object header.
+    StringRef ParentData = Parent->getData();
+    const char *HeaderPos = ParentData.begin() + sizeof(MachO::fat_header) +
+                            Index * sizeof(MachO::fat_arch);
+    Header = getUniversalBinaryStruct<MachO::fat_arch>(HeaderPos);
+    if (ParentData.size() < Header.offset + Header.size) {
+      clear();
+    }
+  }
+}
+
+ErrorOr<std::unique_ptr<ObjectFile>>
+MachOUniversalBinary::ObjectForArch::getAsObjectFile() const {
+  if (Parent) {
+    StringRef ParentData = Parent->getData();
+    StringRef ObjectData = ParentData.substr(Header.offset, Header.size);
+    std::string ObjectName = Parent->getFileName().str();
+    std::unique_ptr<MemoryBuffer> ObjBuffer(
+        MemoryBuffer::getMemBuffer(ObjectData, ObjectName, false));
+    return ObjectFile::createMachOObjectFile(ObjBuffer);
+  }
+  return object_error::parse_failed;
+}
+
+std::error_code MachOUniversalBinary::ObjectForArch::getAsArchive(
+    std::unique_ptr<Archive> &Result) const {
+  if (Parent) {
+    StringRef ParentData = Parent->getData();
+    StringRef ObjectData = ParentData.substr(Header.offset, Header.size);
+    std::string ObjectName = Parent->getFileName().str();
+    std::unique_ptr<MemoryBuffer> ObjBuffer(
+        MemoryBuffer::getMemBuffer(ObjectData, ObjectName, false));
+    ErrorOr<Archive *> Obj = Archive::create(std::move(ObjBuffer));
+    if (std::error_code EC = Obj.getError())
+      return EC;
+    Result.reset(Obj.get());
+    return object_error::success;
+  }
+  return object_error::parse_failed;
+}
+
+void MachOUniversalBinary::anchor() { }
+
+ErrorOr<MachOUniversalBinary *>
+MachOUniversalBinary::create(std::unique_ptr<MemoryBuffer> Source) {
+  std::error_code EC;
+  std::unique_ptr<MachOUniversalBinary> Ret(
+      new MachOUniversalBinary(std::move(Source), EC));
+  if (EC)
+    return EC;
+  return Ret.release();
+}
+
+MachOUniversalBinary::MachOUniversalBinary(std::unique_ptr<MemoryBuffer> Source,
+                                           std::error_code &ec)
+    : Binary(Binary::ID_MachOUniversalBinary, std::move(Source)),
+      NumberOfObjects(0) {
+  if (Data->getBufferSize() < sizeof(MachO::fat_header)) {
+    ec = object_error::invalid_file_type;
+    return;
+  }
+  // Check for magic value and sufficient header size.
+  StringRef Buf = getData();
+  MachO::fat_header H= getUniversalBinaryStruct<MachO::fat_header>(Buf.begin());
+  NumberOfObjects = H.nfat_arch;
+  uint32_t MinSize = sizeof(MachO::fat_header) +
+                     sizeof(MachO::fat_arch) * NumberOfObjects;
+  if (H.magic != MachO::FAT_MAGIC || Buf.size() < MinSize) {
+    ec = object_error::parse_failed;
+    return;
+  }
+  ec = object_error::success;
+}
+
+static bool getCTMForArch(Triple::ArchType Arch, MachO::CPUType &CTM) {
+  switch (Arch) {
+    case Triple::x86:    CTM = MachO::CPU_TYPE_I386; return true;
+    case Triple::x86_64: CTM = MachO::CPU_TYPE_X86_64; return true;
+    case Triple::arm:    CTM = MachO::CPU_TYPE_ARM; return true;
+    case Triple::sparc:  CTM = MachO::CPU_TYPE_SPARC; return true;
+    case Triple::ppc:    CTM = MachO::CPU_TYPE_POWERPC; return true;
+    case Triple::ppc64:  CTM = MachO::CPU_TYPE_POWERPC64; return true;
+    default: return false;
+  }
+}
+
+ErrorOr<std::unique_ptr<ObjectFile>>
+MachOUniversalBinary::getObjectForArch(Triple::ArchType Arch) const {
+  MachO::CPUType CTM;
+  if (!getCTMForArch(Arch, CTM))
+    return object_error::arch_not_found;
+  for (object_iterator I = begin_objects(), E = end_objects(); I != E; ++I) {
+    if (I->getCPUType() == static_cast<uint32_t>(CTM))
+      return I->getAsObjectFile();
+  }
+  return object_error::arch_not_found;
+}
diff --git a/contrib/llvm/lib/Object/Object.cpp b/contrib/llvm/lib/Object/Object.cpp
new file mode 100644
index 0000000..567d87f
--- /dev/null
+++ b/contrib/llvm/lib/Object/Object.cpp
@@ -0,0 +1,244 @@
+//===- Object.cpp - C bindings to the object file library--------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the C bindings to the file-format-independent object
+// library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm-c/Object.h"
+#include "llvm/Object/ObjectFile.h"
+
+using namespace llvm;
+using namespace object;
+
+inline ObjectFile *unwrap(LLVMObjectFileRef OF) {
+  return reinterpret_cast<ObjectFile*>(OF);
+}
+
+inline LLVMObjectFileRef wrap(const ObjectFile *OF) {
+  return reinterpret_cast<LLVMObjectFileRef>(const_cast<ObjectFile*>(OF));
+}
+
+inline section_iterator *unwrap(LLVMSectionIteratorRef SI) {
+  return reinterpret_cast<section_iterator*>(SI);
+}
+
+inline LLVMSectionIteratorRef
+wrap(const section_iterator *SI) {
+  return reinterpret_cast<LLVMSectionIteratorRef>
+    (const_cast<section_iterator*>(SI));
+}
+
+inline symbol_iterator *unwrap(LLVMSymbolIteratorRef SI) {
+  return reinterpret_cast<symbol_iterator*>(SI);
+}
+
+inline LLVMSymbolIteratorRef
+wrap(const symbol_iterator *SI) {
+  return reinterpret_cast<LLVMSymbolIteratorRef>
+    (const_cast<symbol_iterator*>(SI));
+}
+
+inline relocation_iterator *unwrap(LLVMRelocationIteratorRef SI) {
+  return reinterpret_cast<relocation_iterator*>(SI);
+}
+
+inline LLVMRelocationIteratorRef
+wrap(const relocation_iterator *SI) {
+  return reinterpret_cast<LLVMRelocationIteratorRef>
+    (const_cast<relocation_iterator*>(SI));
+}
+
+// ObjectFile creation
+LLVMObjectFileRef LLVMCreateObjectFile(LLVMMemoryBufferRef MemBuf) {
+  std::unique_ptr<MemoryBuffer> Buf(unwrap(MemBuf));
+  ErrorOr<ObjectFile *> ObjOrErr(ObjectFile::createObjectFile(Buf));
+  Buf.release();
+  ObjectFile *Obj = ObjOrErr ? ObjOrErr.get() : nullptr;
+  return wrap(Obj);
+}
+
+void LLVMDisposeObjectFile(LLVMObjectFileRef ObjectFile) {
+  delete unwrap(ObjectFile);
+}
+
+// ObjectFile Section iterators
+LLVMSectionIteratorRef LLVMGetSections(LLVMObjectFileRef ObjectFile) {
+  section_iterator SI = unwrap(ObjectFile)->section_begin();
+  return wrap(new section_iterator(SI));
+}
+
+void LLVMDisposeSectionIterator(LLVMSectionIteratorRef SI) {
+  delete unwrap(SI);
+}
+
+LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef ObjectFile,
+                                LLVMSectionIteratorRef SI) {
+  return (*unwrap(SI) == unwrap(ObjectFile)->section_end()) ? 1 : 0;
+}
+
+void LLVMMoveToNextSection(LLVMSectionIteratorRef SI) {
+  ++(*unwrap(SI));
+}
+
+void LLVMMoveToContainingSection(LLVMSectionIteratorRef Sect,
+                                 LLVMSymbolIteratorRef Sym) {
+  if (std::error_code ec = (*unwrap(Sym))->getSection(*unwrap(Sect)))
+    report_fatal_error(ec.message());
+}
+
+// ObjectFile Symbol iterators
+LLVMSymbolIteratorRef LLVMGetSymbols(LLVMObjectFileRef ObjectFile) {
+  symbol_iterator SI = unwrap(ObjectFile)->symbol_begin();
+  return wrap(new symbol_iterator(SI));
+}
+
+void LLVMDisposeSymbolIterator(LLVMSymbolIteratorRef SI) {
+  delete unwrap(SI);
+}
+
+LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile,
+                                LLVMSymbolIteratorRef SI) {
+  return (*unwrap(SI) == unwrap(ObjectFile)->symbol_end()) ? 1 : 0;
+}
+
+void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI) {
+  ++(*unwrap(SI));
+}
+
+// SectionRef accessors
+const char *LLVMGetSectionName(LLVMSectionIteratorRef SI) {
+  StringRef ret;
+  if (std::error_code ec = (*unwrap(SI))->getName(ret))
+   report_fatal_error(ec.message());
+  return ret.data();
+}
+
+uint64_t LLVMGetSectionSize(LLVMSectionIteratorRef SI) {
+  uint64_t ret;
+  if (std::error_code ec = (*unwrap(SI))->getSize(ret))
+    report_fatal_error(ec.message());
+  return ret;
+}
+
+const char *LLVMGetSectionContents(LLVMSectionIteratorRef SI) {
+  StringRef ret;
+  if (std::error_code ec = (*unwrap(SI))->getContents(ret))
+    report_fatal_error(ec.message());
+  return ret.data();
+}
+
+uint64_t LLVMGetSectionAddress(LLVMSectionIteratorRef SI) {
+  uint64_t ret;
+  if (std::error_code ec = (*unwrap(SI))->getAddress(ret))
+    report_fatal_error(ec.message());
+  return ret;
+}
+
+LLVMBool LLVMGetSectionContainsSymbol(LLVMSectionIteratorRef SI,
+                                 LLVMSymbolIteratorRef Sym) {
+  bool ret;
+  if (std::error_code ec = (*unwrap(SI))->containsSymbol(**unwrap(Sym), ret))
+    report_fatal_error(ec.message());
+  return ret;
+}
+
+// Section Relocation iterators
+LLVMRelocationIteratorRef LLVMGetRelocations(LLVMSectionIteratorRef Section) {
+  relocation_iterator SI = (*unwrap(Section))->relocation_begin();
+  return wrap(new relocation_iterator(SI));
+}
+
+void LLVMDisposeRelocationIterator(LLVMRelocationIteratorRef SI) {
+  delete unwrap(SI);
+}
+
+LLVMBool LLVMIsRelocationIteratorAtEnd(LLVMSectionIteratorRef Section,
+                                       LLVMRelocationIteratorRef SI) {
+  return (*unwrap(SI) == (*unwrap(Section))->relocation_end()) ? 1 : 0;
+}
+
+void LLVMMoveToNextRelocation(LLVMRelocationIteratorRef SI) {
+  ++(*unwrap(SI));
+}
+
+
+// SymbolRef accessors
+const char *LLVMGetSymbolName(LLVMSymbolIteratorRef SI) {
+  StringRef ret;
+  if (std::error_code ec = (*unwrap(SI))->getName(ret))
+    report_fatal_error(ec.message());
+  return ret.data();
+}
+
+uint64_t LLVMGetSymbolAddress(LLVMSymbolIteratorRef SI) {
+  uint64_t ret;
+  if (std::error_code ec = (*unwrap(SI))->getAddress(ret))
+    report_fatal_error(ec.message());
+  return ret;
+}
+
+uint64_t LLVMGetSymbolSize(LLVMSymbolIteratorRef SI) {
+  uint64_t ret;
+  if (std::error_code ec = (*unwrap(SI))->getSize(ret))
+    report_fatal_error(ec.message());
+  return ret;
+}
+
+// RelocationRef accessors
+uint64_t LLVMGetRelocationAddress(LLVMRelocationIteratorRef RI) {
+  uint64_t ret;
+  if (std::error_code ec = (*unwrap(RI))->getAddress(ret))
+    report_fatal_error(ec.message());
+  return ret;
+}
+
+uint64_t LLVMGetRelocationOffset(LLVMRelocationIteratorRef RI) {
+  uint64_t ret;
+  if (std::error_code ec = (*unwrap(RI))->getOffset(ret))
+    report_fatal_error(ec.message());
+  return ret;
+}
+
+LLVMSymbolIteratorRef LLVMGetRelocationSymbol(LLVMRelocationIteratorRef RI) {
+  symbol_iterator ret = (*unwrap(RI))->getSymbol();
+  return wrap(new symbol_iterator(ret));
+}
+
+uint64_t LLVMGetRelocationType(LLVMRelocationIteratorRef RI) {
+  uint64_t ret;
+  if (std::error_code ec = (*unwrap(RI))->getType(ret))
+    report_fatal_error(ec.message());
+  return ret;
+}
+
+// NOTE: Caller takes ownership of returned string.
+const char *LLVMGetRelocationTypeName(LLVMRelocationIteratorRef RI) {
+  SmallVector<char, 0> ret;
+  if (std::error_code ec = (*unwrap(RI))->getTypeName(ret))
+    report_fatal_error(ec.message());
+
+  char *str = static_cast<char*>(malloc(ret.size()));
+  std::copy(ret.begin(), ret.end(), str);
+  return str;
+}
+
+// NOTE: Caller takes ownership of returned string.
+const char *LLVMGetRelocationValueString(LLVMRelocationIteratorRef RI) {
+  SmallVector<char, 0> ret;
+  if (std::error_code ec = (*unwrap(RI))->getValueString(ret))
+    report_fatal_error(ec.message());
+
+  char *str = static_cast<char*>(malloc(ret.size()));
+  std::copy(ret.begin(), ret.end(), str);
+  return str;
+}
+
diff --git a/contrib/llvm/lib/Object/ObjectFile.cpp b/contrib/llvm/lib/Object/ObjectFile.cpp
new file mode 100644
index 0000000..f5488c6
--- /dev/null
+++ b/contrib/llvm/lib/Object/ObjectFile.cpp
@@ -0,0 +1,91 @@
+//===- ObjectFile.cpp - File format independent object file -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a file format independent ObjectFile class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/raw_ostream.h"
+#include <system_error>
+
+using namespace llvm;
+using namespace object;
+
+void ObjectFile::anchor() { }
+
+ObjectFile::ObjectFile(unsigned int Type, std::unique_ptr<MemoryBuffer> Source)
+    : SymbolicFile(Type, std::move(Source)) {}
+
+std::error_code ObjectFile::printSymbolName(raw_ostream &OS,
+                                            DataRefImpl Symb) const {
+  StringRef Name;
+  if (std::error_code EC = getSymbolName(Symb, Name))
+    return EC;
+  OS << Name;
+  return object_error::success;
+}
+
+std::error_code ObjectFile::getSymbolAlignment(DataRefImpl DRI,
+                                               uint32_t &Result) const {
+  Result = 0;
+  return object_error::success;
+}
+
+section_iterator ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
+  return section_iterator(SectionRef(Sec, this));
+}
+
+ErrorOr<ObjectFile *>
+ObjectFile::createObjectFile(std::unique_ptr<MemoryBuffer> &Object,
+                             sys::fs::file_magic Type) {
+  if (Type == sys::fs::file_magic::unknown)
+    Type = sys::fs::identify_magic(Object->getBuffer());
+
+  switch (Type) {
+  case sys::fs::file_magic::unknown:
+  case sys::fs::file_magic::bitcode:
+  case sys::fs::file_magic::archive:
+  case sys::fs::file_magic::macho_universal_binary:
+  case sys::fs::file_magic::windows_resource:
+    return object_error::invalid_file_type;
+  case sys::fs::file_magic::elf_relocatable:
+  case sys::fs::file_magic::elf_executable:
+  case sys::fs::file_magic::elf_shared_object:
+  case sys::fs::file_magic::elf_core:
+    return createELFObjectFile(Object);
+  case sys::fs::file_magic::macho_object:
+  case sys::fs::file_magic::macho_executable:
+  case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
+  case sys::fs::file_magic::macho_core:
+  case sys::fs::file_magic::macho_preload_executable:
+  case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
+  case sys::fs::file_magic::macho_dynamic_linker:
+  case sys::fs::file_magic::macho_bundle:
+  case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
+  case sys::fs::file_magic::macho_dsym_companion:
+    return createMachOObjectFile(Object);
+  case sys::fs::file_magic::coff_object:
+  case sys::fs::file_magic::coff_import_library:
+  case sys::fs::file_magic::pecoff_executable:
+    return createCOFFObjectFile(std::move(Object));
+  }
+  llvm_unreachable("Unexpected Object File Type");
+}
+
+ErrorOr<ObjectFile *> ObjectFile::createObjectFile(StringRef ObjectPath) {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+      MemoryBuffer::getFile(ObjectPath);
+  if (std::error_code EC = FileOrErr.getError())
+    return EC;
+  return createObjectFile(FileOrErr.get());
+}
diff --git a/contrib/llvm/lib/Object/RecordStreamer.cpp b/contrib/llvm/lib/Object/RecordStreamer.cpp
new file mode 100644
index 0000000..081fadd
--- /dev/null
+++ b/contrib/llvm/lib/Object/RecordStreamer.cpp
@@ -0,0 +1,100 @@
+//===-- RecordStreamer.cpp - Record asm definde and used symbols ----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "RecordStreamer.h"
+#include "llvm/MC/MCSymbol.h"
+using namespace llvm;
+
+void RecordStreamer::markDefined(const MCSymbol &Symbol) {
+  State &S = Symbols[Symbol.getName()];
+  switch (S) {
+  case DefinedGlobal:
+  case Global:
+    S = DefinedGlobal;
+    break;
+  case NeverSeen:
+  case Defined:
+  case Used:
+    S = Defined;
+    break;
+  }
+}
+
+void RecordStreamer::markGlobal(const MCSymbol &Symbol) {
+  State &S = Symbols[Symbol.getName()];
+  switch (S) {
+  case DefinedGlobal:
+  case Defined:
+    S = DefinedGlobal;
+    break;
+
+  case NeverSeen:
+  case Global:
+  case Used:
+    S = Global;
+    break;
+  }
+}
+
+void RecordStreamer::markUsed(const MCSymbol &Symbol) {
+  State &S = Symbols[Symbol.getName()];
+  switch (S) {
+  case DefinedGlobal:
+  case Defined:
+  case Global:
+    break;
+
+  case NeverSeen:
+  case Used:
+    S = Used;
+    break;
+  }
+}
+
+void RecordStreamer::visitUsedSymbol(const MCSymbol &Sym) { markUsed(Sym); }
+
+RecordStreamer::const_iterator RecordStreamer::begin() {
+  return Symbols.begin();
+}
+
+RecordStreamer::const_iterator RecordStreamer::end() { return Symbols.end(); }
+
+RecordStreamer::RecordStreamer(MCContext &Context) : MCStreamer(Context) {}
+
+void RecordStreamer::EmitInstruction(const MCInst &Inst,
+                                     const MCSubtargetInfo &STI) {
+  MCStreamer::EmitInstruction(Inst, STI);
+}
+
+void RecordStreamer::EmitLabel(MCSymbol *Symbol) {
+  MCStreamer::EmitLabel(Symbol);
+  markDefined(*Symbol);
+}
+
+void RecordStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
+  markDefined(*Symbol);
+  MCStreamer::EmitAssignment(Symbol, Value);
+}
+
+bool RecordStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
+                                         MCSymbolAttr Attribute) {
+  if (Attribute == MCSA_Global)
+    markGlobal(*Symbol);
+  return true;
+}
+
+void RecordStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
+                                  uint64_t Size, unsigned ByteAlignment) {
+  markDefined(*Symbol);
+}
+
+void RecordStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+                                      unsigned ByteAlignment) {
+  markDefined(*Symbol);
+}
diff --git a/contrib/llvm/lib/Object/RecordStreamer.h b/contrib/llvm/lib/Object/RecordStreamer.h
new file mode 100644
index 0000000..10e70ef
--- /dev/null
+++ b/contrib/llvm/lib/Object/RecordStreamer.h
@@ -0,0 +1,42 @@
+//===-- RecordStreamer.h - Record asm defined and used symbols ---*- C++ -*===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OBJECT_RECORD_STREAMER
+#define LLVM_OBJECT_RECORD_STREAMER
+
+#include "llvm/MC/MCStreamer.h"
+
+namespace llvm {
+class RecordStreamer : public MCStreamer {
+public:
+  enum State { NeverSeen, Global, Defined, DefinedGlobal, Used };
+
+private:
+  StringMap<State> Symbols;
+  void markDefined(const MCSymbol &Symbol);
+  void markGlobal(const MCSymbol &Symbol);
+  void markUsed(const MCSymbol &Symbol);
+  void visitUsedSymbol(const MCSymbol &Sym) override;
+
+public:
+  typedef StringMap<State>::const_iterator const_iterator;
+  const_iterator begin();
+  const_iterator end();
+  RecordStreamer(MCContext &Context);
+  void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;
+  void EmitLabel(MCSymbol *Symbol) override;
+  void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
+  bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
+  void EmitZerofill(const MCSection *Section, MCSymbol *Symbol, uint64_t Size,
+                    unsigned ByteAlignment) override;
+  void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
+                        unsigned ByteAlignment) override;
+};
+}
+#endif
diff --git a/contrib/llvm/lib/Object/SymbolicFile.cpp b/contrib/llvm/lib/Object/SymbolicFile.cpp
new file mode 100644
index 0000000..30cf1a0
--- /dev/null
+++ b/contrib/llvm/lib/Object/SymbolicFile.cpp
@@ -0,0 +1,65 @@
+//===- SymbolicFile.cpp - Interface that only provides symbols --*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a file format independent SymbolicFile class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/IRObjectFile.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Object/SymbolicFile.h"
+#include "llvm/Support/MemoryBuffer.h"
+
+using namespace llvm;
+using namespace object;
+
+SymbolicFile::SymbolicFile(unsigned int Type,
+                           std::unique_ptr<MemoryBuffer> Source)
+    : Binary(Type, std::move(Source)) {}
+
+SymbolicFile::~SymbolicFile() {}
+
+ErrorOr<SymbolicFile *>
+SymbolicFile::createSymbolicFile(std::unique_ptr<MemoryBuffer> &Object,
+                                 sys::fs::file_magic Type,
+                                 LLVMContext *Context) {
+  if (Type == sys::fs::file_magic::unknown)
+    Type = sys::fs::identify_magic(Object->getBuffer());
+
+  switch (Type) {
+  case sys::fs::file_magic::bitcode:
+    if (Context)
+      return IRObjectFile::createIRObjectFile(std::move(Object), *Context);
+  // Fallthrough
+  case sys::fs::file_magic::unknown:
+  case sys::fs::file_magic::archive:
+  case sys::fs::file_magic::macho_universal_binary:
+  case sys::fs::file_magic::windows_resource:
+    return object_error::invalid_file_type;
+  case sys::fs::file_magic::elf_relocatable:
+  case sys::fs::file_magic::elf_executable:
+  case sys::fs::file_magic::elf_shared_object:
+  case sys::fs::file_magic::elf_core:
+  case sys::fs::file_magic::macho_object:
+  case sys::fs::file_magic::macho_executable:
+  case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
+  case sys::fs::file_magic::macho_core:
+  case sys::fs::file_magic::macho_preload_executable:
+  case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
+  case sys::fs::file_magic::macho_dynamic_linker:
+  case sys::fs::file_magic::macho_bundle:
+  case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
+  case sys::fs::file_magic::macho_dsym_companion:
+  case sys::fs::file_magic::coff_object:
+  case sys::fs::file_magic::coff_import_library:
+  case sys::fs::file_magic::pecoff_executable:
+    return ObjectFile::createObjectFile(Object, Type);
+  }
+  llvm_unreachable("Unexpected Binary File Type");
+}