Intermediate changes

commit_hash:2ec2671384dd8e604d41bc5c52c2f7858e4afea6

1 files changed, 0 insertions, 1891 deletions

diff --git a/contrib/libs/llvm14/lib/Object/COFFObjectFile.cpp b/contrib/libs/llvm14/lib/Object/COFFObjectFile.cpp
deleted file mode 100644
index 354b3c0d557..00000000000
--- a/contrib/libs/llvm14/lib/Object/COFFObjectFile.cpp
+++ /dev/null
@@ -1,1891 +0,0 @@
-//===- COFFObjectFile.cpp - COFF object file implementation ---------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This file declares the COFFObjectFile class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/ADT/iterator_range.h"
-#include "llvm/BinaryFormat/COFF.h"
-#include "llvm/Object/Binary.h"
-#include "llvm/Object/COFF.h"
-#include "llvm/Object/Error.h"
-#include "llvm/Object/ObjectFile.h"
-#include "llvm/Support/BinaryStreamReader.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include <algorithm>
-#include <cassert>
-#include <cinttypes>
-#include <cstddef>
-#include <cstring>
-#include <limits>
-#include <memory>
-#include <system_error>
-
-using namespace llvm;
-using namespace object;
-
-using support::ulittle16_t;
-using support::ulittle32_t;
-using support::ulittle64_t;
-using support::little16_t;
-
-// Returns false if size is greater than the buffer size. And sets ec.
-static bool checkSize(MemoryBufferRef 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 Error getObject(const T *&Obj, MemoryBufferRef M, const void *Ptr,
-                       const uint64_t Size = sizeof(T)) {
-  uintptr_t Addr = reinterpret_cast<uintptr_t>(Ptr);
-  if (Error E = Binary::checkOffset(M, Addr, Size))
-    return E;
-  Obj = reinterpret_cast<const T *>(Addr);
-  return 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;
-}
-
-template <typename coff_symbol_type>
-const coff_symbol_type *COFFObjectFile::toSymb(DataRefImpl Ref) const {
-  const coff_symbol_type *Addr =
-      reinterpret_cast<const coff_symbol_type *>(Ref.p);
-
-  assert(!checkOffset(Data, reinterpret_cast<uintptr_t>(Addr), sizeof(*Addr)));
-#ifndef NDEBUG
-  // Verify that the symbol points to a valid entry in the symbol table.
-  uintptr_t Offset =
-      reinterpret_cast<uintptr_t>(Addr) - reinterpret_cast<uintptr_t>(base());
-
-  assert((Offset - getPointerToSymbolTable()) % sizeof(coff_symbol_type) == 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 + getNumberOfSections()))
-    report_fatal_error("Section was outside of section table.");
-
-  uintptr_t Offset = reinterpret_cast<uintptr_t>(Addr) -
-                     reinterpret_cast<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 {
-  auto End = reinterpret_cast<uintptr_t>(StringTable);
-  if (SymbolTable16) {
-    const coff_symbol16 *Symb = toSymb<coff_symbol16>(Ref);
-    Symb += 1 + Symb->NumberOfAuxSymbols;
-    Ref.p = std::min(reinterpret_cast<uintptr_t>(Symb), End);
-  } else if (SymbolTable32) {
-    const coff_symbol32 *Symb = toSymb<coff_symbol32>(Ref);
-    Symb += 1 + Symb->NumberOfAuxSymbols;
-    Ref.p = std::min(reinterpret_cast<uintptr_t>(Symb), End);
-  } else {
-    llvm_unreachable("no symbol table pointer!");
-  }
-}
-
-Expected<StringRef> COFFObjectFile::getSymbolName(DataRefImpl Ref) const {
-  return getSymbolName(getCOFFSymbol(Ref));
-}
-
-uint64_t COFFObjectFile::getSymbolValueImpl(DataRefImpl Ref) const {
-  return getCOFFSymbol(Ref).getValue();
-}
-
-uint32_t COFFObjectFile::getSymbolAlignment(DataRefImpl Ref) const {
-  // MSVC/link.exe seems to align symbols to the next-power-of-2
-  // up to 32 bytes.
-  COFFSymbolRef Symb = getCOFFSymbol(Ref);
-  return std::min(uint64_t(32), PowerOf2Ceil(Symb.getValue()));
-}
-
-Expected<uint64_t> COFFObjectFile::getSymbolAddress(DataRefImpl Ref) const {
-  uint64_t Result = cantFail(getSymbolValue(Ref));
-  COFFSymbolRef Symb = getCOFFSymbol(Ref);
-  int32_t SectionNumber = Symb.getSectionNumber();
-
-  if (Symb.isAnyUndefined() || Symb.isCommon() ||
-      COFF::isReservedSectionNumber(SectionNumber))
-    return Result;
-
-  Expected<const coff_section *> Section = getSection(SectionNumber);
-  if (!Section)
-    return Section.takeError();
-  Result += (*Section)->VirtualAddress;
-
-  // The section VirtualAddress does not include ImageBase, and we want to
-  // return virtual addresses.
-  Result += getImageBase();
-
-  return Result;
-}
-
-Expected<SymbolRef::Type> COFFObjectFile::getSymbolType(DataRefImpl Ref) const {
-  COFFSymbolRef Symb = getCOFFSymbol(Ref);
-  int32_t SectionNumber = Symb.getSectionNumber();
-
-  if (Symb.getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION)
-    return SymbolRef::ST_Function;
-  if (Symb.isAnyUndefined())
-    return SymbolRef::ST_Unknown;
-  if (Symb.isCommon())
-    return SymbolRef::ST_Data;
-  if (Symb.isFileRecord())
-    return SymbolRef::ST_File;
-
-  // TODO: perhaps we need a new symbol type ST_Section.
-  if (SectionNumber == COFF::IMAGE_SYM_DEBUG || Symb.isSectionDefinition())
-    return SymbolRef::ST_Debug;
-
-  if (!COFF::isReservedSectionNumber(SectionNumber))
-    return SymbolRef::ST_Data;
-
-  return SymbolRef::ST_Other;
-}
-
-Expected<uint32_t> COFFObjectFile::getSymbolFlags(DataRefImpl Ref) const {
-  COFFSymbolRef Symb = getCOFFSymbol(Ref);
-  uint32_t Result = SymbolRef::SF_None;
-
-  if (Symb.isExternal() || Symb.isWeakExternal())
-    Result |= SymbolRef::SF_Global;
-
-  if (const coff_aux_weak_external *AWE = Symb.getWeakExternal()) {
-    Result |= SymbolRef::SF_Weak;
-    if (AWE->Characteristics != COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS)
-      Result |= SymbolRef::SF_Undefined;
-  }
-
-  if (Symb.getSectionNumber() == COFF::IMAGE_SYM_ABSOLUTE)
-    Result |= SymbolRef::SF_Absolute;
-
-  if (Symb.isFileRecord())
-    Result |= SymbolRef::SF_FormatSpecific;
-
-  if (Symb.isSectionDefinition())
-    Result |= SymbolRef::SF_FormatSpecific;
-
-  if (Symb.isCommon())
-    Result |= SymbolRef::SF_Common;
-
-  if (Symb.isUndefined())
-    Result |= SymbolRef::SF_Undefined;
-
-  return Result;
-}
-
-uint64_t COFFObjectFile::getCommonSymbolSizeImpl(DataRefImpl Ref) const {
-  COFFSymbolRef Symb = getCOFFSymbol(Ref);
-  return Symb.getValue();
-}
-
-Expected<section_iterator>
-COFFObjectFile::getSymbolSection(DataRefImpl Ref) const {
-  COFFSymbolRef Symb = getCOFFSymbol(Ref);
-  if (COFF::isReservedSectionNumber(Symb.getSectionNumber()))
-    return section_end();
-  Expected<const coff_section *> Sec = getSection(Symb.getSectionNumber());
-  if (!Sec)
-    return Sec.takeError();
-  DataRefImpl Ret;
-  Ret.p = reinterpret_cast<uintptr_t>(*Sec);
-  return section_iterator(SectionRef(Ret, this));
-}
-
-unsigned COFFObjectFile::getSymbolSectionID(SymbolRef Sym) const {
-  COFFSymbolRef Symb = getCOFFSymbol(Sym.getRawDataRefImpl());
-  return Symb.getSectionNumber();
-}
-
-void COFFObjectFile::moveSectionNext(DataRefImpl &Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  Sec += 1;
-  Ref.p = reinterpret_cast<uintptr_t>(Sec);
-}
-
-Expected<StringRef> COFFObjectFile::getSectionName(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  return getSectionName(Sec);
-}
-
-uint64_t COFFObjectFile::getSectionAddress(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  uint64_t Result = Sec->VirtualAddress;
-
-  // The section VirtualAddress does not include ImageBase, and we want to
-  // return virtual addresses.
-  Result += getImageBase();
-  return Result;
-}
-
-uint64_t COFFObjectFile::getSectionIndex(DataRefImpl Sec) const {
-  return toSec(Sec) - SectionTable;
-}
-
-uint64_t COFFObjectFile::getSectionSize(DataRefImpl Ref) const {
-  return getSectionSize(toSec(Ref));
-}
-
-Expected<ArrayRef<uint8_t>>
-COFFObjectFile::getSectionContents(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  ArrayRef<uint8_t> Res;
-  if (Error E = getSectionContents(Sec, Res))
-    return std::move(E);
-  return Res;
-}
-
-uint64_t COFFObjectFile::getSectionAlignment(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  return Sec->getAlignment();
-}
-
-bool COFFObjectFile::isSectionCompressed(DataRefImpl Sec) const {
-  return false;
-}
-
-bool COFFObjectFile::isSectionText(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  return Sec->Characteristics & COFF::IMAGE_SCN_CNT_CODE;
-}
-
-bool COFFObjectFile::isSectionData(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  return Sec->Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA;
-}
-
-bool COFFObjectFile::isSectionBSS(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  const uint32_t BssFlags = COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA |
-                            COFF::IMAGE_SCN_MEM_READ |
-                            COFF::IMAGE_SCN_MEM_WRITE;
-  return (Sec->Characteristics & BssFlags) == BssFlags;
-}
-
-// The .debug sections are the only debug sections for COFF
-// (\see MCObjectFileInfo.cpp).
-bool COFFObjectFile::isDebugSection(DataRefImpl Ref) const {
-  Expected<StringRef> SectionNameOrErr = getSectionName(Ref);
-  if (!SectionNameOrErr) {
-    // TODO: Report the error message properly.
-    consumeError(SectionNameOrErr.takeError());
-    return false;
-  }
-  StringRef SectionName = SectionNameOrErr.get();
-  return SectionName.startswith(".debug");
-}
-
-unsigned COFFObjectFile::getSectionID(SectionRef Sec) const {
-  uintptr_t Offset =
-      Sec.getRawDataRefImpl().p - reinterpret_cast<uintptr_t>(SectionTable);
-  assert((Offset % sizeof(coff_section)) == 0);
-  return (Offset / sizeof(coff_section)) + 1;
-}
-
-bool COFFObjectFile::isSectionVirtual(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  // In COFF, a virtual section won't have any in-file
-  // content, so the file pointer to the content will be zero.
-  return Sec->PointerToRawData == 0;
-}
-
-static uint32_t getNumberOfRelocations(const coff_section *Sec,
-                                       MemoryBufferRef M, 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()) {
-    const coff_relocation *FirstReloc;
-    if (Error E = getObject(FirstReloc, M,
-                            reinterpret_cast<const coff_relocation *>(
-                                base + Sec->PointerToRelocations))) {
-      consumeError(std::move(E));
-      return 0;
-    }
-    // -1 to exclude this first relocation entry.
-    return FirstReloc->VirtualAddress - 1;
-  }
-  return Sec->NumberOfRelocations;
-}
-
-static const coff_relocation *
-getFirstReloc(const coff_section *Sec, MemoryBufferRef M, const uint8_t *Base) {
-  uint64_t NumRelocs = getNumberOfRelocations(Sec, M, Base);
-  if (!NumRelocs)
-    return nullptr;
-  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++;
-  }
-  if (auto E = Binary::checkOffset(M, reinterpret_cast<uintptr_t>(begin),
-                                   sizeof(coff_relocation) * NumRelocs)) {
-    consumeError(std::move(E));
-    return nullptr;
-  }
-  return begin;
-}
-
-relocation_iterator COFFObjectFile::section_rel_begin(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  const coff_relocation *begin = getFirstReloc(Sec, Data, base());
-  if (begin && Sec->VirtualAddress != 0)
-    report_fatal_error("Sections with relocations should have an address of 0");
-  DataRefImpl Ret;
-  Ret.p = reinterpret_cast<uintptr_t>(begin);
-  return relocation_iterator(RelocationRef(Ret, this));
-}
-
-relocation_iterator COFFObjectFile::section_rel_end(DataRefImpl Ref) const {
-  const coff_section *Sec = toSec(Ref);
-  const coff_relocation *I = getFirstReloc(Sec, Data, base());
-  if (I)
-    I += getNumberOfRelocations(Sec, Data, base());
-  DataRefImpl Ret;
-  Ret.p = reinterpret_cast<uintptr_t>(I);
-  return relocation_iterator(RelocationRef(Ret, this));
-}
-
-// Initialize the pointer to the symbol table.
-Error COFFObjectFile::initSymbolTablePtr() {
-  if (COFFHeader)
-    if (Error E = getObject(
-            SymbolTable16, Data, base() + getPointerToSymbolTable(),
-            (uint64_t)getNumberOfSymbols() * getSymbolTableEntrySize()))
-      return E;
-
-  if (COFFBigObjHeader)
-    if (Error E = getObject(
-            SymbolTable32, Data, base() + getPointerToSymbolTable(),
-            (uint64_t)getNumberOfSymbols() * getSymbolTableEntrySize()))
-      return E;
-
-  // 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.
-  uint32_t StringTableOffset = getPointerToSymbolTable() +
-                               getNumberOfSymbols() * getSymbolTableEntrySize();
-  const uint8_t *StringTableAddr = base() + StringTableOffset;
-  const ulittle32_t *StringTableSizePtr;
-  if (Error E = getObject(StringTableSizePtr, Data, StringTableAddr))
-    return E;
-  StringTableSize = *StringTableSizePtr;
-  if (Error E = getObject(StringTable, Data, StringTableAddr, StringTableSize))
-    return E;
-
-  // 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 errorCodeToError(object_error::parse_failed);
-  return Error::success();
-}
-
-uint64_t COFFObjectFile::getImageBase() const {
-  if (PE32Header)
-    return PE32Header->ImageBase;
-  else if (PE32PlusHeader)
-    return PE32PlusHeader->ImageBase;
-  // This actually comes up in practice.
-  return 0;
-}
-
-// Returns the file offset for the given VA.
-Error COFFObjectFile::getVaPtr(uint64_t Addr, uintptr_t &Res) const {
-  uint64_t ImageBase = getImageBase();
-  uint64_t Rva = Addr - ImageBase;
-  assert(Rva <= UINT32_MAX);
-  return getRvaPtr((uint32_t)Rva, Res);
-}
-
-// Returns the file offset for the given RVA.
-Error 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 = reinterpret_cast<uintptr_t>(base()) + Section->PointerToRawData +
-            Offset;
-      return Error::success();
-    }
-  }
-  return errorCodeToError(object_error::parse_failed);
-}
-
-Error COFFObjectFile::getRvaAndSizeAsBytes(uint32_t RVA, uint32_t Size,
-                                           ArrayRef<uint8_t> &Contents) const {
-  for (const SectionRef &S : sections()) {
-    const coff_section *Section = getCOFFSection(S);
-    uint32_t SectionStart = Section->VirtualAddress;
-    // Check if this RVA is within the section bounds. Be careful about integer
-    // overflow.
-    uint32_t OffsetIntoSection = RVA - SectionStart;
-    if (SectionStart <= RVA && OffsetIntoSection < Section->VirtualSize &&
-        Size <= Section->VirtualSize - OffsetIntoSection) {
-      uintptr_t Begin = reinterpret_cast<uintptr_t>(base()) +
-                        Section->PointerToRawData + OffsetIntoSection;
-      Contents =
-          ArrayRef<uint8_t>(reinterpret_cast<const uint8_t *>(Begin), Size);
-      return Error::success();
-    }
-  }
-  return errorCodeToError(object_error::parse_failed);
-}
-
-// Returns hint and name fields, assuming \p Rva is pointing to a Hint/Name
-// table entry.
-Error COFFObjectFile::getHintName(uint32_t Rva, uint16_t &Hint,
-                                  StringRef &Name) const {
-  uintptr_t IntPtr = 0;
-  if (Error E = getRvaPtr(Rva, IntPtr))
-    return E;
-  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 Error::success();
-}
-
-Error COFFObjectFile::getDebugPDBInfo(const debug_directory *DebugDir,
-                                      const codeview::DebugInfo *&PDBInfo,
-                                      StringRef &PDBFileName) const {
-  ArrayRef<uint8_t> InfoBytes;
-  if (Error E = getRvaAndSizeAsBytes(
-          DebugDir->AddressOfRawData, DebugDir->SizeOfData, InfoBytes))
-    return E;
-  if (InfoBytes.size() < sizeof(*PDBInfo) + 1)
-    return errorCodeToError(object_error::parse_failed);
-  PDBInfo = reinterpret_cast<const codeview::DebugInfo *>(InfoBytes.data());
-  InfoBytes = InfoBytes.drop_front(sizeof(*PDBInfo));
-  PDBFileName = StringRef(reinterpret_cast<const char *>(InfoBytes.data()),
-                          InfoBytes.size());
-  // Truncate the name at the first null byte. Ignore any padding.
-  PDBFileName = PDBFileName.split('\0').first;
-  return Error::success();
-}
-
-Error COFFObjectFile::getDebugPDBInfo(const codeview::DebugInfo *&PDBInfo,
-                                      StringRef &PDBFileName) const {
-  for (const debug_directory &D : debug_directories())
-    if (D.Type == COFF::IMAGE_DEBUG_TYPE_CODEVIEW)
-      return getDebugPDBInfo(&D, PDBInfo, PDBFileName);
-  // If we get here, there is no PDB info to return.
-  PDBInfo = nullptr;
-  PDBFileName = StringRef();
-  return Error::success();
-}
-
-// Find the import table.
-Error 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 = getDataDirectory(COFF::IMPORT_TABLE);
-  if (!DataEntry)
-    return Error::success();
-
-  // Do nothing if the pointer to import table is NULL.
-  if (DataEntry->RelativeVirtualAddress == 0)
-    return Error::success();
-
-  uint32_t ImportTableRva = DataEntry->RelativeVirtualAddress;
-
-  // 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 (Error E = getRvaPtr(ImportTableRva, IntPtr))
-    return E;
-  if (Error E = checkOffset(Data, IntPtr, DataEntry->Size))
-    return E;
-  ImportDirectory = reinterpret_cast<
-      const coff_import_directory_table_entry *>(IntPtr);
-  return Error::success();
-}
-
-// Initializes DelayImportDirectory and NumberOfDelayImportDirectory.
-Error COFFObjectFile::initDelayImportTablePtr() {
-  const data_directory *DataEntry =
-      getDataDirectory(COFF::DELAY_IMPORT_DESCRIPTOR);
-  if (!DataEntry)
-    return Error::success();
-  if (DataEntry->RelativeVirtualAddress == 0)
-    return Error::success();
-
-  uint32_t RVA = DataEntry->RelativeVirtualAddress;
-  NumberOfDelayImportDirectory = DataEntry->Size /
-      sizeof(delay_import_directory_table_entry) - 1;
-
-  uintptr_t IntPtr = 0;
-  if (Error E = getRvaPtr(RVA, IntPtr))
-    return E;
-  DelayImportDirectory = reinterpret_cast<
-      const delay_import_directory_table_entry *>(IntPtr);
-  return Error::success();
-}
-
-// Find the export table.
-Error 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 = getDataDirectory(COFF::EXPORT_TABLE);
-  if (!DataEntry)
-    return Error::success();
-
-  // Do nothing if the pointer to export table is NULL.
-  if (DataEntry->RelativeVirtualAddress == 0)
-    return Error::success();
-
-  uint32_t ExportTableRva = DataEntry->RelativeVirtualAddress;
-  uintptr_t IntPtr = 0;
-  if (Error E = getRvaPtr(ExportTableRva, IntPtr))
-    return E;
-  ExportDirectory =
-      reinterpret_cast<const export_directory_table_entry *>(IntPtr);
-  return Error::success();
-}
-
-Error COFFObjectFile::initBaseRelocPtr() {
-  const data_directory *DataEntry =
-      getDataDirectory(COFF::BASE_RELOCATION_TABLE);
-  if (!DataEntry)
-    return Error::success();
-  if (DataEntry->RelativeVirtualAddress == 0)
-    return Error::success();
-
-  uintptr_t IntPtr = 0;
-  if (Error E = getRvaPtr(DataEntry->RelativeVirtualAddress, IntPtr))
-    return E;
-  BaseRelocHeader = reinterpret_cast<const coff_base_reloc_block_header *>(
-      IntPtr);
-  BaseRelocEnd = reinterpret_cast<coff_base_reloc_block_header *>(
-      IntPtr + DataEntry->Size);
-  // FIXME: Verify the section containing BaseRelocHeader has at least
-  // DataEntry->Size bytes after DataEntry->RelativeVirtualAddress.
-  return Error::success();
-}
-
-Error COFFObjectFile::initDebugDirectoryPtr() {
-  // Get the RVA of the debug directory. Do nothing if it does not exist.
-  const data_directory *DataEntry = getDataDirectory(COFF::DEBUG_DIRECTORY);
-  if (!DataEntry)
-    return Error::success();
-
-  // Do nothing if the RVA is NULL.
-  if (DataEntry->RelativeVirtualAddress == 0)
-    return Error::success();
-
-  // Check that the size is a multiple of the entry size.
-  if (DataEntry->Size % sizeof(debug_directory) != 0)
-    return errorCodeToError(object_error::parse_failed);
-
-  uintptr_t IntPtr = 0;
-  if (Error E = getRvaPtr(DataEntry->RelativeVirtualAddress, IntPtr))
-    return E;
-  DebugDirectoryBegin = reinterpret_cast<const debug_directory *>(IntPtr);
-  DebugDirectoryEnd = reinterpret_cast<const debug_directory *>(
-      IntPtr + DataEntry->Size);
-  // FIXME: Verify the section containing DebugDirectoryBegin has at least
-  // DataEntry->Size bytes after DataEntry->RelativeVirtualAddress.
-  return Error::success();
-}
-
-Error COFFObjectFile::initTLSDirectoryPtr() {
-  // Get the RVA of the TLS directory. Do nothing if it does not exist.
-  const data_directory *DataEntry = getDataDirectory(COFF::TLS_TABLE);
-  if (!DataEntry)
-    return Error::success();
-
-  // Do nothing if the RVA is NULL.
-  if (DataEntry->RelativeVirtualAddress == 0)
-    return Error::success();
-
-  uint64_t DirSize =
-      is64() ? sizeof(coff_tls_directory64) : sizeof(coff_tls_directory32);
-
-  // Check that the size is correct.
-  if (DataEntry->Size != DirSize)
-    return createStringError(
-        object_error::parse_failed,
-        "TLS Directory size (%u) is not the expected size (%" PRIu64 ").",
-        static_cast<uint32_t>(DataEntry->Size), DirSize);
-
-  uintptr_t IntPtr = 0;
-  if (Error E = getRvaPtr(DataEntry->RelativeVirtualAddress, IntPtr))
-    return E;
-
-  if (is64())
-    TLSDirectory64 = reinterpret_cast<const coff_tls_directory64 *>(IntPtr);
-  else
-    TLSDirectory32 = reinterpret_cast<const coff_tls_directory32 *>(IntPtr);
-
-  return Error::success();
-}
-
-Error COFFObjectFile::initLoadConfigPtr() {
-  // Get the RVA of the debug directory. Do nothing if it does not exist.
-  const data_directory *DataEntry = getDataDirectory(COFF::LOAD_CONFIG_TABLE);
-  if (!DataEntry)
-    return Error::success();
-
-  // Do nothing if the RVA is NULL.
-  if (DataEntry->RelativeVirtualAddress == 0)
-    return Error::success();
-  uintptr_t IntPtr = 0;
-  if (Error E = getRvaPtr(DataEntry->RelativeVirtualAddress, IntPtr))
-    return E;
-
-  LoadConfig = (const void *)IntPtr;
-  return Error::success();
-}
-
-Expected<std::unique_ptr<COFFObjectFile>>
-COFFObjectFile::create(MemoryBufferRef Object) {
-  std::unique_ptr<COFFObjectFile> Obj(new COFFObjectFile(std::move(Object)));
-  if (Error E = Obj->initialize())
-    return std::move(E);
-  return std::move(Obj);
-}
-
-COFFObjectFile::COFFObjectFile(MemoryBufferRef Object)
-    : ObjectFile(Binary::ID_COFF, Object), COFFHeader(nullptr),
-      COFFBigObjHeader(nullptr), PE32Header(nullptr), PE32PlusHeader(nullptr),
-      DataDirectory(nullptr), SectionTable(nullptr), SymbolTable16(nullptr),
-      SymbolTable32(nullptr), StringTable(nullptr), StringTableSize(0),
-      ImportDirectory(nullptr), DelayImportDirectory(nullptr),
-      NumberOfDelayImportDirectory(0), ExportDirectory(nullptr),
-      BaseRelocHeader(nullptr), BaseRelocEnd(nullptr),
-      DebugDirectoryBegin(nullptr), DebugDirectoryEnd(nullptr),
-      TLSDirectory32(nullptr), TLSDirectory64(nullptr) {}
-
-Error COFFObjectFile::initialize() {
-  // Check that we at least have enough room for a header.
-  std::error_code EC;
-  if (!checkSize(Data, EC, sizeof(coff_file_header)))
-    return errorCodeToError(EC);
-
-  // 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 (checkSize(Data, EC, sizeof(dos_header) + sizeof(COFF::PEMagic))) {
-    // PE/COFF, seek through MS-DOS compatibility stub and 4-byte
-    // PE signature to find 'normal' COFF header.
-    const auto *DH = reinterpret_cast<const dos_header *>(base());
-    if (DH->Magic[0] == 'M' && DH->Magic[1] == 'Z') {
-      CurPtr = DH->AddressOfNewExeHeader;
-      // Check the PE magic bytes. ("PE\0\0")
-      if (memcmp(base() + CurPtr, COFF::PEMagic, sizeof(COFF::PEMagic)) != 0) {
-        return errorCodeToError(object_error::parse_failed);
-      }
-      CurPtr += sizeof(COFF::PEMagic); // Skip the PE magic bytes.
-      HasPEHeader = true;
-    }
-  }
-
-  if (Error E = getObject(COFFHeader, Data, base() + CurPtr))
-    return E;
-
-  // It might be a bigobj file, let's check.  Note that COFF bigobj and COFF
-  // import libraries share a common prefix but bigobj is more restrictive.
-  if (!HasPEHeader && COFFHeader->Machine == COFF::IMAGE_FILE_MACHINE_UNKNOWN &&
-      COFFHeader->NumberOfSections == uint16_t(0xffff) &&
-      checkSize(Data, EC, sizeof(coff_bigobj_file_header))) {
-    if (Error E = getObject(COFFBigObjHeader, Data, base() + CurPtr))
-      return E;
-
-    // Verify that we are dealing with bigobj.
-    if (COFFBigObjHeader->Version >= COFF::BigObjHeader::MinBigObjectVersion &&
-        std::memcmp(COFFBigObjHeader->UUID, COFF::BigObjMagic,
-                    sizeof(COFF::BigObjMagic)) == 0) {
-      COFFHeader = nullptr;
-      CurPtr += sizeof(coff_bigobj_file_header);
-    } else {
-      // It's not a bigobj.
-      COFFBigObjHeader = nullptr;
-    }
-  }
-  if (COFFHeader) {
-    // The prior checkSize call may have failed.  This isn't a hard error
-    // because we were just trying to sniff out bigobj.
-    EC = std::error_code();
-    CurPtr += sizeof(coff_file_header);
-
-    if (COFFHeader->isImportLibrary())
-      return errorCodeToError(EC);
-  }
-
-  if (HasPEHeader) {
-    const pe32_header *Header;
-    if (Error E = getObject(Header, Data, base() + CurPtr))
-      return E;
-
-    const uint8_t *DataDirAddr;
-    uint64_t DataDirSize;
-    if (Header->Magic == COFF::PE32Header::PE32) {
-      PE32Header = Header;
-      DataDirAddr = base() + CurPtr + sizeof(pe32_header);
-      DataDirSize = sizeof(data_directory) * PE32Header->NumberOfRvaAndSize;
-    } else if (Header->Magic == COFF::PE32Header::PE32_PLUS) {
-      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+.
-      return errorCodeToError(object_error::parse_failed);
-    }
-    if (Error E = getObject(DataDirectory, Data, DataDirAddr, DataDirSize))
-      return E;
-  }
-
-  if (COFFHeader)
-    CurPtr += COFFHeader->SizeOfOptionalHeader;
-
-  assert(COFFHeader || COFFBigObjHeader);
-
-  if (Error E =
-          getObject(SectionTable, Data, base() + CurPtr,
-                    (uint64_t)getNumberOfSections() * sizeof(coff_section)))
-    return E;
-
-  // Initialize the pointer to the symbol table.
-  if (getPointerToSymbolTable() != 0) {
-    if (Error E = initSymbolTablePtr()) {
-      // Recover from errors reading the symbol table.
-      consumeError(std::move(E));
-      SymbolTable16 = nullptr;
-      SymbolTable32 = nullptr;
-      StringTable = nullptr;
-      StringTableSize = 0;
-    }
-  } else {
-    // We had better not have any symbols if we don't have a symbol table.
-    if (getNumberOfSymbols() != 0) {
-      return errorCodeToError(object_error::parse_failed);
-    }
-  }
-
-  // Initialize the pointer to the beginning of the import table.
-  if (Error E = initImportTablePtr())
-    return E;
-  if (Error E = initDelayImportTablePtr())
-    return E;
-
-  // Initialize the pointer to the export table.
-  if (Error E = initExportTablePtr())
-    return E;
-
-  // Initialize the pointer to the base relocation table.
-  if (Error E = initBaseRelocPtr())
-    return E;
-
-  // Initialize the pointer to the debug directory.
-  if (Error E = initDebugDirectoryPtr())
-    return E;
-
-  // Initialize the pointer to the TLS directory.
-  if (Error E = initTLSDirectoryPtr())
-    return E;
-
-  if (Error E = initLoadConfigPtr())
-    return E;
-
-  return Error::success();
-}
-
-basic_symbol_iterator COFFObjectFile::symbol_begin() const {
-  DataRefImpl Ret;
-  Ret.p = getSymbolTable();
-  return basic_symbol_iterator(SymbolRef(Ret, this));
-}
-
-basic_symbol_iterator COFFObjectFile::symbol_end() 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));
-}
-
-import_directory_iterator COFFObjectFile::import_directory_begin() const {
-  if (!ImportDirectory)
-    return import_directory_end();
-  if (ImportDirectory->isNull())
-    return import_directory_end();
-  return import_directory_iterator(
-      ImportDirectoryEntryRef(ImportDirectory, 0, this));
-}
-
-import_directory_iterator COFFObjectFile::import_directory_end() const {
-  return import_directory_iterator(
-      ImportDirectoryEntryRef(nullptr, -1, this));
-}
-
-delay_import_directory_iterator
-COFFObjectFile::delay_import_directory_begin() const {
-  return delay_import_directory_iterator(
-      DelayImportDirectoryEntryRef(DelayImportDirectory, 0, this));
-}
-
-delay_import_directory_iterator
-COFFObjectFile::delay_import_directory_end() const {
-  return delay_import_directory_iterator(
-      DelayImportDirectoryEntryRef(
-          DelayImportDirectory, NumberOfDelayImportDirectory, 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 && COFFHeader->isImportLibrary() ? 0 : getNumberOfSections();
-  Ret.p = reinterpret_cast<uintptr_t>(SectionTable + NumSections);
-  return section_iterator(SectionRef(Ret, this));
-}
-
-base_reloc_iterator COFFObjectFile::base_reloc_begin() const {
-  return base_reloc_iterator(BaseRelocRef(BaseRelocHeader, this));
-}
-
-base_reloc_iterator COFFObjectFile::base_reloc_end() const {
-  return base_reloc_iterator(BaseRelocRef(BaseRelocEnd, this));
-}
-
-uint8_t COFFObjectFile::getBytesInAddress() const {
-  return getArch() == Triple::x86_64 || getArch() == Triple::aarch64 ? 8 : 4;
-}
-
-StringRef COFFObjectFile::getFileFormatName() const {
-  switch(getMachine()) {
-  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";
-  case COFF::IMAGE_FILE_MACHINE_ARM64:
-    return "COFF-ARM64";
-  default:
-    return "COFF-<unknown arch>";
-  }
-}
-
-Triple::ArchType COFFObjectFile::getArch() const {
-  switch (getMachine()) {
-  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;
-  case COFF::IMAGE_FILE_MACHINE_ARM64:
-    return Triple::aarch64;
-  default:
-    return Triple::UnknownArch;
-  }
-}
-
-Expected<uint64_t> COFFObjectFile::getStartAddress() const {
-  if (PE32Header)
-    return PE32Header->AddressOfEntryPoint;
-  return 0;
-}
-
-iterator_range<import_directory_iterator>
-COFFObjectFile::import_directories() const {
-  return make_range(import_directory_begin(), import_directory_end());
-}
-
-iterator_range<delay_import_directory_iterator>
-COFFObjectFile::delay_import_directories() const {
-  return make_range(delay_import_directory_begin(),
-                    delay_import_directory_end());
-}
-
-iterator_range<export_directory_iterator>
-COFFObjectFile::export_directories() const {
-  return make_range(export_directory_begin(), export_directory_end());
-}
-
-iterator_range<base_reloc_iterator> COFFObjectFile::base_relocs() const {
-  return make_range(base_reloc_begin(), base_reloc_end());
-}
-
-const data_directory *COFFObjectFile::getDataDirectory(uint32_t Index) const {
-  if (!DataDirectory)
-    return nullptr;
-  assert(PE32Header || PE32PlusHeader);
-  uint32_t NumEnt = PE32Header ? PE32Header->NumberOfRvaAndSize
-                               : PE32PlusHeader->NumberOfRvaAndSize;
-  if (Index >= NumEnt)
-    return nullptr;
-  return &DataDirectory[Index];
-}
-
-Expected<const coff_section *> COFFObjectFile::getSection(int32_t Index) const {
-  // Perhaps getting the section of a reserved section index should be an error,
-  // but callers rely on this to return null.
-  if (COFF::isReservedSectionNumber(Index))
-    return (const coff_section *)nullptr;
-  if (static_cast<uint32_t>(Index) <= getNumberOfSections()) {
-    // We already verified the section table data, so no need to check again.
-    return SectionTable + (Index - 1);
-  }
-  return errorCodeToError(object_error::parse_failed);
-}
-
-Expected<StringRef> COFFObjectFile::getString(uint32_t Offset) const {
-  if (StringTableSize <= 4)
-    // Tried to get a string from an empty string table.
-    return errorCodeToError(object_error::parse_failed);
-  if (Offset >= StringTableSize)
-    return errorCodeToError(object_error::unexpected_eof);
-  return StringRef(StringTable + Offset);
-}
-
-Expected<StringRef> COFFObjectFile::getSymbolName(COFFSymbolRef Symbol) const {
-  return getSymbolName(Symbol.getGeneric());
-}
-
-Expected<StringRef>
-COFFObjectFile::getSymbolName(const coff_symbol_generic *Symbol) const {
-  // Check for string table entry. First 4 bytes are 0.
-  if (Symbol->Name.Offset.Zeroes == 0)
-    return getString(Symbol->Name.Offset.Offset);
-
-  // Null terminated, let ::strlen figure out the length.
-  if (Symbol->Name.ShortName[COFF::NameSize - 1] == 0)
-    return StringRef(Symbol->Name.ShortName);
-
-  // Not null terminated, use all 8 bytes.
-  return StringRef(Symbol->Name.ShortName, COFF::NameSize);
-}
-
-ArrayRef<uint8_t>
-COFFObjectFile::getSymbolAuxData(COFFSymbolRef Symbol) const {
-  const uint8_t *Aux = nullptr;
-
-  size_t SymbolSize = getSymbolTableEntrySize();
-  if (Symbol.getNumberOfAuxSymbols() > 0) {
-    // AUX data comes immediately after the symbol in COFF
-    Aux = reinterpret_cast<const uint8_t *>(Symbol.getRawPtr()) + SymbolSize;
-#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 < getPointerToSymbolTable() ||
-        Offset >=
-            getPointerToSymbolTable() + (getNumberOfSymbols() * SymbolSize))
-      report_fatal_error("Aux Symbol data was outside of symbol table.");
-
-    assert((Offset - getPointerToSymbolTable()) % SymbolSize == 0 &&
-           "Aux Symbol data did not point to the beginning of a symbol");
-#endif
-  }
-  return makeArrayRef(Aux, Symbol.getNumberOfAuxSymbols() * SymbolSize);
-}
-
-uint32_t COFFObjectFile::getSymbolIndex(COFFSymbolRef Symbol) const {
-  uintptr_t Offset =
-      reinterpret_cast<uintptr_t>(Symbol.getRawPtr()) - getSymbolTable();
-  assert(Offset % getSymbolTableEntrySize() == 0 &&
-         "Symbol did not point to the beginning of a symbol");
-  size_t Index = Offset / getSymbolTableEntrySize();
-  assert(Index < getNumberOfSymbols());
-  return Index;
-}
-
-Expected<StringRef>
-COFFObjectFile::getSectionName(const coff_section *Sec) const {
-  StringRef Name;
-  if (Sec->Name[COFF::NameSize - 1] == 0)
-    // Null terminated, let ::strlen figure out the length.
-    Name = Sec->Name;
-  else
-    // Not null terminated, use all 8 bytes.
-    Name = StringRef(Sec->Name, COFF::NameSize);
-
-  // Check for string table entry. First byte is '/'.
-  if (Name.startswith("/")) {
-    uint32_t Offset;
-    if (Name.startswith("//")) {
-      if (decodeBase64StringEntry(Name.substr(2), Offset))
-        return createStringError(object_error::parse_failed,
-                                 "invalid section name");
-    } else {
-      if (Name.substr(1).getAsInteger(10, Offset))
-        return createStringError(object_error::parse_failed,
-                                 "invalid section name");
-    }
-    return getString(Offset);
-  }
-
-  return Name;
-}
-
-uint64_t COFFObjectFile::getSectionSize(const coff_section *Sec) const {
-  // SizeOfRawData and VirtualSize change what they represent depending on
-  // whether or not we have an executable image.
-  //
-  // For object files, SizeOfRawData contains the size of section's data;
-  // VirtualSize should be zero but isn't due to buggy COFF writers.
-  //
-  // For executables, SizeOfRawData *must* be a multiple of FileAlignment; the
-  // actual section size is in VirtualSize.  It is possible for VirtualSize to
-  // be greater than SizeOfRawData; the contents past that point should be
-  // considered to be zero.
-  if (getDOSHeader())
-    return std::min(Sec->VirtualSize, Sec->SizeOfRawData);
-  return Sec->SizeOfRawData;
-}
-
-Error COFFObjectFile::getSectionContents(const coff_section *Sec,
-                                         ArrayRef<uint8_t> &Res) const {
-  // In COFF, a virtual section won't have any in-file
-  // content, so the file pointer to the content will be zero.
-  if (Sec->PointerToRawData == 0)
-    return Error::success();
-  // 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 =
-      reinterpret_cast<uintptr_t>(base()) + Sec->PointerToRawData;
-  uint32_t SectionSize = getSectionSize(Sec);
-  if (Error E = checkOffset(Data, ConStart, SectionSize))
-    return E;
-  Res = makeArrayRef(reinterpret_cast<const uint8_t *>(ConStart), SectionSize);
-  return 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);
-}
-
-uint64_t COFFObjectFile::getRelocationOffset(DataRefImpl Rel) const {
-  const coff_relocation *R = toRel(Rel);
-  return R->VirtualAddress;
-}
-
-symbol_iterator COFFObjectFile::getRelocationSymbol(DataRefImpl Rel) const {
-  const coff_relocation *R = toRel(Rel);
-  DataRefImpl Ref;
-  if (R->SymbolTableIndex >= getNumberOfSymbols())
-    return symbol_end();
-  if (SymbolTable16)
-    Ref.p = reinterpret_cast<uintptr_t>(SymbolTable16 + R->SymbolTableIndex);
-  else if (SymbolTable32)
-    Ref.p = reinterpret_cast<uintptr_t>(SymbolTable32 + R->SymbolTableIndex);
-  else
-    llvm_unreachable("no symbol table pointer!");
-  return symbol_iterator(SymbolRef(Ref, this));
-}
-
-uint64_t COFFObjectFile::getRelocationType(DataRefImpl Rel) const {
-  const coff_relocation* R = toRel(Rel);
-  return R->Type;
-}
-
-const coff_section *
-COFFObjectFile::getCOFFSection(const SectionRef &Section) const {
-  return toSec(Section.getRawDataRefImpl());
-}
-
-COFFSymbolRef COFFObjectFile::getCOFFSymbol(const DataRefImpl &Ref) const {
-  if (SymbolTable16)
-    return toSymb<coff_symbol16>(Ref);
-  if (SymbolTable32)
-    return toSymb<coff_symbol32>(Ref);
-  llvm_unreachable("no symbol table pointer!");
-}
-
-COFFSymbolRef COFFObjectFile::getCOFFSymbol(const SymbolRef &Symbol) const {
-  return getCOFFSymbol(Symbol.getRawDataRefImpl());
-}
-
-const coff_relocation *
-COFFObjectFile::getCOFFRelocation(const RelocationRef &Reloc) const {
-  return toRel(Reloc.getRawDataRefImpl());
-}
-
-ArrayRef<coff_relocation>
-COFFObjectFile::getRelocations(const coff_section *Sec) const {
-  return {getFirstReloc(Sec, Data, base()),
-          getNumberOfRelocations(Sec, Data, base())};
-}
-
-#define LLVM_COFF_SWITCH_RELOC_TYPE_NAME(reloc_type)                           \
-  case COFF::reloc_type:                                                       \
-    return #reloc_type;
-
-StringRef COFFObjectFile::getRelocationTypeName(uint16_t Type) const {
-  switch (getMachine()) {
-  case COFF::IMAGE_FILE_MACHINE_AMD64:
-    switch (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:
-      return "Unknown";
-    }
-    break;
-  case COFF::IMAGE_FILE_MACHINE_ARMNT:
-    switch (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_REL32);
-    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);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_PAIR);
-    default:
-      return "Unknown";
-    }
-    break;
-  case COFF::IMAGE_FILE_MACHINE_ARM64:
-    switch (Type) {
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_ABSOLUTE);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_ADDR32);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_ADDR32NB);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_BRANCH26);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_PAGEBASE_REL21);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_REL21);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_PAGEOFFSET_12A);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_PAGEOFFSET_12L);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_SECREL);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_SECREL_LOW12A);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_SECREL_HIGH12A);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_SECREL_LOW12L);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_TOKEN);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_SECTION);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_ADDR64);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_BRANCH19);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_BRANCH14);
-    LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM64_REL32);
-    default:
-      return "Unknown";
-    }
-    break;
-  case COFF::IMAGE_FILE_MACHINE_I386:
-    switch (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:
-      return "Unknown";
-    }
-    break;
-  default:
-    return "Unknown";
-  }
-}
-
-#undef LLVM_COFF_SWITCH_RELOC_TYPE_NAME
-
-void COFFObjectFile::getRelocationTypeName(
-    DataRefImpl Rel, SmallVectorImpl<char> &Result) const {
-  const coff_relocation *Reloc = toRel(Rel);
-  StringRef Res = getRelocationTypeName(Reloc->Type);
-  Result.append(Res.begin(), Res.end());
-}
-
-bool COFFObjectFile::isRelocatableObject() const {
-  return !DataDirectory;
-}
-
-StringRef COFFObjectFile::mapDebugSectionName(StringRef Name) const {
-  return StringSwitch<StringRef>(Name)
-      .Case("eh_fram", "eh_frame")
-      .Default(Name);
-}
-
-bool ImportDirectoryEntryRef::
-operator==(const ImportDirectoryEntryRef &Other) const {
-  return ImportTable == Other.ImportTable && Index == Other.Index;
-}
-
-void ImportDirectoryEntryRef::moveNext() {
-  ++Index;
-  if (ImportTable[Index].isNull()) {
-    Index = -1;
-    ImportTable = nullptr;
-  }
-}
-
-Error ImportDirectoryEntryRef::getImportTableEntry(
-    const coff_import_directory_table_entry *&Result) const {
-  return getObject(Result, OwningObject->Data, ImportTable + Index);
-}
-
-static imported_symbol_iterator
-makeImportedSymbolIterator(const COFFObjectFile *Object,
-                           uintptr_t Ptr, int Index) {
-  if (Object->getBytesInAddress() == 4) {
-    auto *P = reinterpret_cast<const import_lookup_table_entry32 *>(Ptr);
-    return imported_symbol_iterator(ImportedSymbolRef(P, Index, Object));
-  }
-  auto *P = reinterpret_cast<const import_lookup_table_entry64 *>(Ptr);
-  return imported_symbol_iterator(ImportedSymbolRef(P, Index, Object));
-}
-
-static imported_symbol_iterator
-importedSymbolBegin(uint32_t RVA, const COFFObjectFile *Object) {
-  uintptr_t IntPtr = 0;
-  // FIXME: Handle errors.
-  cantFail(Object->getRvaPtr(RVA, IntPtr));
-  return makeImportedSymbolIterator(Object, IntPtr, 0);
-}
-
-static imported_symbol_iterator
-importedSymbolEnd(uint32_t RVA, const COFFObjectFile *Object) {
-  uintptr_t IntPtr = 0;
-  // FIXME: Handle errors.
-  cantFail(Object->getRvaPtr(RVA, IntPtr));
-  // Forward the pointer to the last entry which is null.
-  int Index = 0;
-  if (Object->getBytesInAddress() == 4) {
-    auto *Entry = reinterpret_cast<ulittle32_t *>(IntPtr);
-    while (*Entry++)
-      ++Index;
-  } else {
-    auto *Entry = reinterpret_cast<ulittle64_t *>(IntPtr);
-    while (*Entry++)
-      ++Index;
-  }
-  return makeImportedSymbolIterator(Object, IntPtr, Index);
-}
-
-imported_symbol_iterator
-ImportDirectoryEntryRef::imported_symbol_begin() const {
-  return importedSymbolBegin(ImportTable[Index].ImportAddressTableRVA,
-                             OwningObject);
-}
-
-imported_symbol_iterator
-ImportDirectoryEntryRef::imported_symbol_end() const {
-  return importedSymbolEnd(ImportTable[Index].ImportAddressTableRVA,
-                           OwningObject);
-}
-
-iterator_range<imported_symbol_iterator>
-ImportDirectoryEntryRef::imported_symbols() const {
-  return make_range(imported_symbol_begin(), imported_symbol_end());
-}
-
-imported_symbol_iterator ImportDirectoryEntryRef::lookup_table_begin() const {
-  return importedSymbolBegin(ImportTable[Index].ImportLookupTableRVA,
-                             OwningObject);
-}
-
-imported_symbol_iterator ImportDirectoryEntryRef::lookup_table_end() const {
-  return importedSymbolEnd(ImportTable[Index].ImportLookupTableRVA,
-                           OwningObject);
-}
-
-iterator_range<imported_symbol_iterator>
-ImportDirectoryEntryRef::lookup_table_symbols() const {
-  return make_range(lookup_table_begin(), lookup_table_end());
-}
-
-Error ImportDirectoryEntryRef::getName(StringRef &Result) const {
-  uintptr_t IntPtr = 0;
-  if (Error E = OwningObject->getRvaPtr(ImportTable[Index].NameRVA, IntPtr))
-    return E;
-  Result = StringRef(reinterpret_cast<const char *>(IntPtr));
-  return Error::success();
-}
-
-Error
-ImportDirectoryEntryRef::getImportLookupTableRVA(uint32_t  &Result) const {
-  Result = ImportTable[Index].ImportLookupTableRVA;
-  return Error::success();
-}
-
-Error ImportDirectoryEntryRef::getImportAddressTableRVA(
-    uint32_t &Result) const {
-  Result = ImportTable[Index].ImportAddressTableRVA;
-  return Error::success();
-}
-
-bool DelayImportDirectoryEntryRef::
-operator==(const DelayImportDirectoryEntryRef &Other) const {
-  return Table == Other.Table && Index == Other.Index;
-}
-
-void DelayImportDirectoryEntryRef::moveNext() {
-  ++Index;
-}
-
-imported_symbol_iterator
-DelayImportDirectoryEntryRef::imported_symbol_begin() const {
-  return importedSymbolBegin(Table[Index].DelayImportNameTable,
-                             OwningObject);
-}
-
-imported_symbol_iterator
-DelayImportDirectoryEntryRef::imported_symbol_end() const {
-  return importedSymbolEnd(Table[Index].DelayImportNameTable,
-                           OwningObject);
-}
-
-iterator_range<imported_symbol_iterator>
-DelayImportDirectoryEntryRef::imported_symbols() const {
-  return make_range(imported_symbol_begin(), imported_symbol_end());
-}
-
-Error DelayImportDirectoryEntryRef::getName(StringRef &Result) const {
-  uintptr_t IntPtr = 0;
-  if (Error E = OwningObject->getRvaPtr(Table[Index].Name, IntPtr))
-    return E;
-  Result = StringRef(reinterpret_cast<const char *>(IntPtr));
-  return Error::success();
-}
-
-Error DelayImportDirectoryEntryRef::getDelayImportTable(
-    const delay_import_directory_table_entry *&Result) const {
-  Result = &Table[Index];
-  return Error::success();
-}
-
-Error DelayImportDirectoryEntryRef::getImportAddress(int AddrIndex,
-                                                     uint64_t &Result) const {
-  uint32_t RVA = Table[Index].DelayImportAddressTable +
-      AddrIndex * (OwningObject->is64() ? 8 : 4);
-  uintptr_t IntPtr = 0;
-  if (Error E = OwningObject->getRvaPtr(RVA, IntPtr))
-    return E;
-  if (OwningObject->is64())
-    Result = *reinterpret_cast<const ulittle64_t *>(IntPtr);
-  else
-    Result = *reinterpret_cast<const ulittle32_t *>(IntPtr);
-  return 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.
-Error ExportDirectoryEntryRef::getDllName(StringRef &Result) const {
-  uintptr_t IntPtr = 0;
-  if (Error E = OwningObject->getRvaPtr(ExportTable->NameRVA, IntPtr))
-    return E;
-  Result = StringRef(reinterpret_cast<const char *>(IntPtr));
-  return Error::success();
-}
-
-// Returns the starting ordinal number.
-Error ExportDirectoryEntryRef::getOrdinalBase(uint32_t &Result) const {
-  Result = ExportTable->OrdinalBase;
-  return Error::success();
-}
-
-// Returns the export ordinal of the current export symbol.
-Error ExportDirectoryEntryRef::getOrdinal(uint32_t &Result) const {
-  Result = ExportTable->OrdinalBase + Index;
-  return Error::success();
-}
-
-// Returns the address of the current export symbol.
-Error ExportDirectoryEntryRef::getExportRVA(uint32_t &Result) const {
-  uintptr_t IntPtr = 0;
-  if (Error 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 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.
-Error
-ExportDirectoryEntryRef::getSymbolName(StringRef &Result) const {
-  uintptr_t IntPtr = 0;
-  if (Error 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 (Error EC =
-            OwningObject->getRvaPtr(ExportTable->NamePointerRVA, IntPtr))
-      return EC;
-    const ulittle32_t *NamePtr = reinterpret_cast<const ulittle32_t *>(IntPtr);
-    if (Error EC = OwningObject->getRvaPtr(NamePtr[Offset], IntPtr))
-      return EC;
-    Result = StringRef(reinterpret_cast<const char *>(IntPtr));
-    return Error::success();
-  }
-  Result = "";
-  return Error::success();
-}
-
-Error ExportDirectoryEntryRef::isForwarder(bool &Result) const {
-  const data_directory *DataEntry =
-      OwningObject->getDataDirectory(COFF::EXPORT_TABLE);
-  if (!DataEntry)
-    return errorCodeToError(object_error::parse_failed);
-  uint32_t RVA;
-  if (auto EC = getExportRVA(RVA))
-    return EC;
-  uint32_t Begin = DataEntry->RelativeVirtualAddress;
-  uint32_t End = DataEntry->RelativeVirtualAddress + DataEntry->Size;
-  Result = (Begin <= RVA && RVA < End);
-  return Error::success();
-}
-
-Error ExportDirectoryEntryRef::getForwardTo(StringRef &Result) const {
-  uint32_t RVA;
-  if (auto EC = getExportRVA(RVA))
-    return EC;
-  uintptr_t IntPtr = 0;
-  if (auto EC = OwningObject->getRvaPtr(RVA, IntPtr))
-    return EC;
-  Result = StringRef(reinterpret_cast<const char *>(IntPtr));
-  return Error::success();
-}
-
-bool ImportedSymbolRef::
-operator==(const ImportedSymbolRef &Other) const {
-  return Entry32 == Other.Entry32 && Entry64 == Other.Entry64
-      && Index == Other.Index;
-}
-
-void ImportedSymbolRef::moveNext() {
-  ++Index;
-}
-
-Error ImportedSymbolRef::getSymbolName(StringRef &Result) const {
-  uint32_t RVA;
-  if (Entry32) {
-    // If a symbol is imported only by ordinal, it has no name.
-    if (Entry32[Index].isOrdinal())
-      return Error::success();
-    RVA = Entry32[Index].getHintNameRVA();
-  } else {
-    if (Entry64[Index].isOrdinal())
-      return Error::success();
-    RVA = Entry64[Index].getHintNameRVA();
-  }
-  uintptr_t IntPtr = 0;
-  if (Error EC = OwningObject->getRvaPtr(RVA, IntPtr))
-    return EC;
-  // +2 because the first two bytes is hint.
-  Result = StringRef(reinterpret_cast<const char *>(IntPtr + 2));
-  return Error::success();
-}
-
-Error ImportedSymbolRef::isOrdinal(bool &Result) const {
-  if (Entry32)
-    Result = Entry32[Index].isOrdinal();
-  else
-    Result = Entry64[Index].isOrdinal();
-  return Error::success();
-}
-
-Error ImportedSymbolRef::getHintNameRVA(uint32_t &Result) const {
-  if (Entry32)
-    Result = Entry32[Index].getHintNameRVA();
-  else
-    Result = Entry64[Index].getHintNameRVA();
-  return Error::success();
-}
-
-Error ImportedSymbolRef::getOrdinal(uint16_t &Result) const {
-  uint32_t RVA;
-  if (Entry32) {
-    if (Entry32[Index].isOrdinal()) {
-      Result = Entry32[Index].getOrdinal();
-      return Error::success();
-    }
-    RVA = Entry32[Index].getHintNameRVA();
-  } else {
-    if (Entry64[Index].isOrdinal()) {
-      Result = Entry64[Index].getOrdinal();
-      return Error::success();
-    }
-    RVA = Entry64[Index].getHintNameRVA();
-  }
-  uintptr_t IntPtr = 0;
-  if (Error EC = OwningObject->getRvaPtr(RVA, IntPtr))
-    return EC;
-  Result = *reinterpret_cast<const ulittle16_t *>(IntPtr);
-  return Error::success();
-}
-
-Expected<std::unique_ptr<COFFObjectFile>>
-ObjectFile::createCOFFObjectFile(MemoryBufferRef Object) {
-  return COFFObjectFile::create(Object);
-}
-
-bool BaseRelocRef::operator==(const BaseRelocRef &Other) const {
-  return Header == Other.Header && Index == Other.Index;
-}
-
-void BaseRelocRef::moveNext() {
-  // Header->BlockSize is the size of the current block, including the
-  // size of the header itself.
-  uint32_t Size = sizeof(*Header) +
-      sizeof(coff_base_reloc_block_entry) * (Index + 1);
-  if (Size == Header->BlockSize) {
-    // .reloc contains a list of base relocation blocks. Each block
-    // consists of the header followed by entries. The header contains
-    // how many entories will follow. When we reach the end of the
-    // current block, proceed to the next block.
-    Header = reinterpret_cast<const coff_base_reloc_block_header *>(
-        reinterpret_cast<const uint8_t *>(Header) + Size);
-    Index = 0;
-  } else {
-    ++Index;
-  }
-}
-
-Error BaseRelocRef::getType(uint8_t &Type) const {
-  auto *Entry = reinterpret_cast<const coff_base_reloc_block_entry *>(Header + 1);
-  Type = Entry[Index].getType();
-  return Error::success();
-}
-
-Error BaseRelocRef::getRVA(uint32_t &Result) const {
-  auto *Entry = reinterpret_cast<const coff_base_reloc_block_entry *>(Header + 1);
-  Result = Header->PageRVA + Entry[Index].getOffset();
-  return Error::success();
-}
-
-#define RETURN_IF_ERROR(Expr)                                                  \
-  do {                                                                         \
-    Error E = (Expr);                                                          \
-    if (E)                                                                     \
-      return std::move(E);                                                     \
-  } while (0)
-
-Expected<ArrayRef<UTF16>>
-ResourceSectionRef::getDirStringAtOffset(uint32_t Offset) {
-  BinaryStreamReader Reader = BinaryStreamReader(BBS);
-  Reader.setOffset(Offset);
-  uint16_t Length;
-  RETURN_IF_ERROR(Reader.readInteger(Length));
-  ArrayRef<UTF16> RawDirString;
-  RETURN_IF_ERROR(Reader.readArray(RawDirString, Length));
-  return RawDirString;
-}
-
-Expected<ArrayRef<UTF16>>
-ResourceSectionRef::getEntryNameString(const coff_resource_dir_entry &Entry) {
-  return getDirStringAtOffset(Entry.Identifier.getNameOffset());
-}
-
-Expected<const coff_resource_dir_table &>
-ResourceSectionRef::getTableAtOffset(uint32_t Offset) {
-  const coff_resource_dir_table *Table = nullptr;
-
-  BinaryStreamReader Reader(BBS);
-  Reader.setOffset(Offset);
-  RETURN_IF_ERROR(Reader.readObject(Table));
-  assert(Table != nullptr);
-  return *Table;
-}
-
-Expected<const coff_resource_dir_entry &>
-ResourceSectionRef::getTableEntryAtOffset(uint32_t Offset) {
-  const coff_resource_dir_entry *Entry = nullptr;
-
-  BinaryStreamReader Reader(BBS);
-  Reader.setOffset(Offset);
-  RETURN_IF_ERROR(Reader.readObject(Entry));
-  assert(Entry != nullptr);
-  return *Entry;
-}
-
-Expected<const coff_resource_data_entry &>
-ResourceSectionRef::getDataEntryAtOffset(uint32_t Offset) {
-  const coff_resource_data_entry *Entry = nullptr;
-
-  BinaryStreamReader Reader(BBS);
-  Reader.setOffset(Offset);
-  RETURN_IF_ERROR(Reader.readObject(Entry));
-  assert(Entry != nullptr);
-  return *Entry;
-}
-
-Expected<const coff_resource_dir_table &>
-ResourceSectionRef::getEntrySubDir(const coff_resource_dir_entry &Entry) {
-  assert(Entry.Offset.isSubDir());
-  return getTableAtOffset(Entry.Offset.value());
-}
-
-Expected<const coff_resource_data_entry &>
-ResourceSectionRef::getEntryData(const coff_resource_dir_entry &Entry) {
-  assert(!Entry.Offset.isSubDir());
-  return getDataEntryAtOffset(Entry.Offset.value());
-}
-
-Expected<const coff_resource_dir_table &> ResourceSectionRef::getBaseTable() {
-  return getTableAtOffset(0);
-}
-
-Expected<const coff_resource_dir_entry &>
-ResourceSectionRef::getTableEntry(const coff_resource_dir_table &Table,
-                                  uint32_t Index) {
-  if (Index >= (uint32_t)(Table.NumberOfNameEntries + Table.NumberOfIDEntries))
-    return createStringError(object_error::parse_failed, "index out of range");
-  const uint8_t *TablePtr = reinterpret_cast<const uint8_t *>(&Table);
-  ptrdiff_t TableOffset = TablePtr - BBS.data().data();
-  return getTableEntryAtOffset(TableOffset + sizeof(Table) +
-                               Index * sizeof(coff_resource_dir_entry));
-}
-
-Error ResourceSectionRef::load(const COFFObjectFile *O) {
-  for (const SectionRef &S : O->sections()) {
-    Expected<StringRef> Name = S.getName();
-    if (!Name)
-      return Name.takeError();
-
-    if (*Name == ".rsrc" || *Name == ".rsrc$01")
-      return load(O, S);
-  }
-  return createStringError(object_error::parse_failed,
-                           "no resource section found");
-}
-
-Error ResourceSectionRef::load(const COFFObjectFile *O, const SectionRef &S) {
-  Obj = O;
-  Section = S;
-  Expected<StringRef> Contents = Section.getContents();
-  if (!Contents)
-    return Contents.takeError();
-  BBS = BinaryByteStream(*Contents, support::little);
-  const coff_section *COFFSect = Obj->getCOFFSection(Section);
-  ArrayRef<coff_relocation> OrigRelocs = Obj->getRelocations(COFFSect);
-  Relocs.reserve(OrigRelocs.size());
-  for (const coff_relocation &R : OrigRelocs)
-    Relocs.push_back(&R);
-  llvm::sort(Relocs, [](const coff_relocation *A, const coff_relocation *B) {
-    return A->VirtualAddress < B->VirtualAddress;
-  });
-  return Error::success();
-}
-
-Expected<StringRef>
-ResourceSectionRef::getContents(const coff_resource_data_entry &Entry) {
-  if (!Obj)
-    return createStringError(object_error::parse_failed, "no object provided");
-
-  // Find a potential relocation at the DataRVA field (first member of
-  // the coff_resource_data_entry struct).
-  const uint8_t *EntryPtr = reinterpret_cast<const uint8_t *>(&Entry);
-  ptrdiff_t EntryOffset = EntryPtr - BBS.data().data();
-  coff_relocation RelocTarget{ulittle32_t(EntryOffset), ulittle32_t(0),
-                              ulittle16_t(0)};
-  auto RelocsForOffset =
-      std::equal_range(Relocs.begin(), Relocs.end(), &RelocTarget,
-                       [](const coff_relocation *A, const coff_relocation *B) {
-                         return A->VirtualAddress < B->VirtualAddress;
-                       });
-
-  if (RelocsForOffset.first != RelocsForOffset.second) {
-    // We found a relocation with the right offset. Check that it does have
-    // the expected type.
-    const coff_relocation &R = **RelocsForOffset.first;
-    uint16_t RVAReloc;
-    switch (Obj->getMachine()) {
-    case COFF::IMAGE_FILE_MACHINE_I386:
-      RVAReloc = COFF::IMAGE_REL_I386_DIR32NB;
-      break;
-    case COFF::IMAGE_FILE_MACHINE_AMD64:
-      RVAReloc = COFF::IMAGE_REL_AMD64_ADDR32NB;
-      break;
-    case COFF::IMAGE_FILE_MACHINE_ARMNT:
-      RVAReloc = COFF::IMAGE_REL_ARM_ADDR32NB;
-      break;
-    case COFF::IMAGE_FILE_MACHINE_ARM64:
-      RVAReloc = COFF::IMAGE_REL_ARM64_ADDR32NB;
-      break;
-    default:
-      return createStringError(object_error::parse_failed,
-                               "unsupported architecture");
-    }
-    if (R.Type != RVAReloc)
-      return createStringError(object_error::parse_failed,
-                               "unexpected relocation type");
-    // Get the relocation's symbol
-    Expected<COFFSymbolRef> Sym = Obj->getSymbol(R.SymbolTableIndex);
-    if (!Sym)
-      return Sym.takeError();
-    // And the symbol's section
-    Expected<const coff_section *> Section =
-        Obj->getSection(Sym->getSectionNumber());
-    if (!Section)
-      return Section.takeError();
-    // Add the initial value of DataRVA to the symbol's offset to find the
-    // data it points at.
-    uint64_t Offset = Entry.DataRVA + Sym->getValue();
-    ArrayRef<uint8_t> Contents;
-    if (Error E = Obj->getSectionContents(*Section, Contents))
-      return std::move(E);
-    if (Offset + Entry.DataSize > Contents.size())
-      return createStringError(object_error::parse_failed,
-                               "data outside of section");
-    // Return a reference to the data inside the section.
-    return StringRef(reinterpret_cast<const char *>(Contents.data()) + Offset,
-                     Entry.DataSize);
-  } else {
-    // Relocatable objects need a relocation for the DataRVA field.
-    if (Obj->isRelocatableObject())
-      return createStringError(object_error::parse_failed,
-                               "no relocation found for DataRVA");
-
-    // Locate the section that contains the address that DataRVA points at.
-    uint64_t VA = Entry.DataRVA + Obj->getImageBase();
-    for (const SectionRef &S : Obj->sections()) {
-      if (VA >= S.getAddress() &&
-          VA + Entry.DataSize <= S.getAddress() + S.getSize()) {
-        uint64_t Offset = VA - S.getAddress();
-        Expected<StringRef> Contents = S.getContents();
-        if (!Contents)
-          return Contents.takeError();
-        return Contents->slice(Offset, Offset + Entry.DataSize);
-      }
-    }
-    return createStringError(object_error::parse_failed,
-                             "address not found in image");
-  }
-}