Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 1942 deletions

diff --git a/gnu/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/gnu/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
deleted file mode 100644
index 226ee715e18..00000000000
--- a/gnu/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ /dev/null
@@ -1,1942 +0,0 @@
-//===-- RuntimeDyldELF.cpp - Run-time dynamic linker for MC-JIT -*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Implementation of ELF support for the MC-JIT runtime dynamic linker.
-//
-//===----------------------------------------------------------------------===//
-
-#include "RuntimeDyldELF.h"
-#include "RuntimeDyldCheckerImpl.h"
-#include "Targets/RuntimeDyldELFMips.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/BinaryFormat/ELF.h"
-#include "llvm/Object/ELFObjectFile.h"
-#include "llvm/Object/ObjectFile.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/MemoryBuffer.h"
-
-using namespace llvm;
-using namespace llvm::object;
-using namespace llvm::support::endian;
-
-#define DEBUG_TYPE "dyld"
-
-static void or32le(void *P, int32_t V) { write32le(P, read32le(P) | V); }
-
-static void or32AArch64Imm(void *L, uint64_t Imm) {
-  or32le(L, (Imm & 0xFFF) << 10);
-}
-
-template <class T> static void write(bool isBE, void *P, T V) {
-  isBE ? write<T, support::big>(P, V) : write<T, support::little>(P, V);
-}
-
-static void write32AArch64Addr(void *L, uint64_t Imm) {
-  uint32_t ImmLo = (Imm & 0x3) << 29;
-  uint32_t ImmHi = (Imm & 0x1FFFFC) << 3;
-  uint64_t Mask = (0x3 << 29) | (0x1FFFFC << 3);
-  write32le(L, (read32le(L) & ~Mask) | ImmLo | ImmHi);
-}
-
-// Return the bits [Start, End] from Val shifted Start bits.
-// For instance, getBits(0xF0, 4, 8) returns 0xF.
-static uint64_t getBits(uint64_t Val, int Start, int End) {
-  uint64_t Mask = ((uint64_t)1 << (End + 1 - Start)) - 1;
-  return (Val >> Start) & Mask;
-}
-
-namespace {
-
-template <class ELFT> class DyldELFObject : public ELFObjectFile<ELFT> {
-  LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
-
-  typedef Elf_Shdr_Impl<ELFT> Elf_Shdr;
-  typedef Elf_Sym_Impl<ELFT> Elf_Sym;
-  typedef Elf_Rel_Impl<ELFT, false> Elf_Rel;
-  typedef Elf_Rel_Impl<ELFT, true> Elf_Rela;
-
-  typedef Elf_Ehdr_Impl<ELFT> Elf_Ehdr;
-
-  typedef typename ELFT::uint addr_type;
-
-  DyldELFObject(ELFObjectFile<ELFT> &&Obj);
-
-public:
-  static Expected<std::unique_ptr<DyldELFObject>>
-  create(MemoryBufferRef Wrapper);
-
-  void updateSectionAddress(const SectionRef &Sec, uint64_t Addr);
-
-  void updateSymbolAddress(const SymbolRef &SymRef, uint64_t Addr);
-
-  // Methods for type inquiry through isa, cast and dyn_cast
-  static bool classof(const Binary *v) {
-    return (isa<ELFObjectFile<ELFT>>(v) &&
-            classof(cast<ELFObjectFile<ELFT>>(v)));
-  }
-  static bool classof(const ELFObjectFile<ELFT> *v) {
-    return v->isDyldType();
-  }
-};
-
-
-
-// The MemoryBuffer passed into this constructor is just a wrapper around the
-// actual memory.  Ultimately, the Binary parent class will take ownership of
-// this MemoryBuffer object but not the underlying memory.
-template <class ELFT>
-DyldELFObject<ELFT>::DyldELFObject(ELFObjectFile<ELFT> &&Obj)
-    : ELFObjectFile<ELFT>(std::move(Obj)) {
-  this->isDyldELFObject = true;
-}
-
-template <class ELFT>
-Expected<std::unique_ptr<DyldELFObject<ELFT>>>
-DyldELFObject<ELFT>::create(MemoryBufferRef Wrapper) {
-  auto Obj = ELFObjectFile<ELFT>::create(Wrapper);
-  if (auto E = Obj.takeError())
-    return std::move(E);
-  std::unique_ptr<DyldELFObject<ELFT>> Ret(
-      new DyldELFObject<ELFT>(std::move(*Obj)));
-  return std::move(Ret);
-}
-
-template <class ELFT>
-void DyldELFObject<ELFT>::updateSectionAddress(const SectionRef &Sec,
-                                               uint64_t Addr) {
-  DataRefImpl ShdrRef = Sec.getRawDataRefImpl();
-  Elf_Shdr *shdr =
-      const_cast<Elf_Shdr *>(reinterpret_cast<const Elf_Shdr *>(ShdrRef.p));
-
-  // This assumes the address passed in matches the target address bitness
-  // The template-based type cast handles everything else.
-  shdr->sh_addr = static_cast<addr_type>(Addr);
-}
-
-template <class ELFT>
-void DyldELFObject<ELFT>::updateSymbolAddress(const SymbolRef &SymRef,
-                                              uint64_t Addr) {
-
-  Elf_Sym *sym = const_cast<Elf_Sym *>(
-      ELFObjectFile<ELFT>::getSymbol(SymRef.getRawDataRefImpl()));
-
-  // This assumes the address passed in matches the target address bitness
-  // The template-based type cast handles everything else.
-  sym->st_value = static_cast<addr_type>(Addr);
-}
-
-class LoadedELFObjectInfo final
-    : public LoadedObjectInfoHelper<LoadedELFObjectInfo,
-                                    RuntimeDyld::LoadedObjectInfo> {
-public:
-  LoadedELFObjectInfo(RuntimeDyldImpl &RTDyld, ObjSectionToIDMap ObjSecToIDMap)
-      : LoadedObjectInfoHelper(RTDyld, std::move(ObjSecToIDMap)) {}
-
-  OwningBinary<ObjectFile>
-  getObjectForDebug(const ObjectFile &Obj) const override;
-};
-
-template <typename ELFT>
-static Expected<std::unique_ptr<DyldELFObject<ELFT>>>
-createRTDyldELFObject(MemoryBufferRef Buffer, const ObjectFile &SourceObject,
-                      const LoadedELFObjectInfo &L) {
-  typedef typename ELFT::Shdr Elf_Shdr;
-  typedef typename ELFT::uint addr_type;
-
-  Expected<std::unique_ptr<DyldELFObject<ELFT>>> ObjOrErr =
-      DyldELFObject<ELFT>::create(Buffer);
-  if (Error E = ObjOrErr.takeError())
-    return std::move(E);
-
-  std::unique_ptr<DyldELFObject<ELFT>> Obj = std::move(*ObjOrErr);
-
-  // Iterate over all sections in the object.
-  auto SI = SourceObject.section_begin();
-  for (const auto &Sec : Obj->sections()) {
-    StringRef SectionName;
-    Sec.getName(SectionName);
-    if (SectionName != "") {
-      DataRefImpl ShdrRef = Sec.getRawDataRefImpl();
-      Elf_Shdr *shdr = const_cast<Elf_Shdr *>(
-          reinterpret_cast<const Elf_Shdr *>(ShdrRef.p));
-
-      if (uint64_t SecLoadAddr = L.getSectionLoadAddress(*SI)) {
-        // This assumes that the address passed in matches the target address
-        // bitness. The template-based type cast handles everything else.
-        shdr->sh_addr = static_cast<addr_type>(SecLoadAddr);
-      }
-    }
-    ++SI;
-  }
-
-  return std::move(Obj);
-}
-
-static OwningBinary<ObjectFile>
-createELFDebugObject(const ObjectFile &Obj, const LoadedELFObjectInfo &L) {
-  assert(Obj.isELF() && "Not an ELF object file.");
-
-  std::unique_ptr<MemoryBuffer> Buffer =
-    MemoryBuffer::getMemBufferCopy(Obj.getData(), Obj.getFileName());
-
-  Expected<std::unique_ptr<ObjectFile>> DebugObj(nullptr);
-  handleAllErrors(DebugObj.takeError());
-  if (Obj.getBytesInAddress() == 4 && Obj.isLittleEndian())
-    DebugObj =
-        createRTDyldELFObject<ELF32LE>(Buffer->getMemBufferRef(), Obj, L);
-  else if (Obj.getBytesInAddress() == 4 && !Obj.isLittleEndian())
-    DebugObj =
-        createRTDyldELFObject<ELF32BE>(Buffer->getMemBufferRef(), Obj, L);
-  else if (Obj.getBytesInAddress() == 8 && !Obj.isLittleEndian())
-    DebugObj =
-        createRTDyldELFObject<ELF64BE>(Buffer->getMemBufferRef(), Obj, L);
-  else if (Obj.getBytesInAddress() == 8 && Obj.isLittleEndian())
-    DebugObj =
-        createRTDyldELFObject<ELF64LE>(Buffer->getMemBufferRef(), Obj, L);
-  else
-    llvm_unreachable("Unexpected ELF format");
-
-  handleAllErrors(DebugObj.takeError());
-  return OwningBinary<ObjectFile>(std::move(*DebugObj), std::move(Buffer));
-}
-
-OwningBinary<ObjectFile>
-LoadedELFObjectInfo::getObjectForDebug(const ObjectFile &Obj) const {
-  return createELFDebugObject(Obj, *this);
-}
-
-} // anonymous namespace
-
-namespace llvm {
-
-RuntimeDyldELF::RuntimeDyldELF(RuntimeDyld::MemoryManager &MemMgr,
-                               JITSymbolResolver &Resolver)
-    : RuntimeDyldImpl(MemMgr, Resolver), GOTSectionID(0), CurrentGOTIndex(0) {}
-RuntimeDyldELF::~RuntimeDyldELF() {}
-
-void RuntimeDyldELF::registerEHFrames() {
-  for (int i = 0, e = UnregisteredEHFrameSections.size(); i != e; ++i) {
-    SID EHFrameSID = UnregisteredEHFrameSections[i];
-    uint8_t *EHFrameAddr = Sections[EHFrameSID].getAddress();
-    uint64_t EHFrameLoadAddr = Sections[EHFrameSID].getLoadAddress();
-    size_t EHFrameSize = Sections[EHFrameSID].getSize();
-    MemMgr.registerEHFrames(EHFrameAddr, EHFrameLoadAddr, EHFrameSize);
-  }
-  UnregisteredEHFrameSections.clear();
-}
-
-std::unique_ptr<RuntimeDyldELF>
-llvm::RuntimeDyldELF::create(Triple::ArchType Arch,
-                             RuntimeDyld::MemoryManager &MemMgr,
-                             JITSymbolResolver &Resolver) {
-  switch (Arch) {
-  default:
-    return make_unique<RuntimeDyldELF>(MemMgr, Resolver);
-  case Triple::mips:
-  case Triple::mipsel:
-  case Triple::mips64:
-  case Triple::mips64el:
-    return make_unique<RuntimeDyldELFMips>(MemMgr, Resolver);
-  }
-}
-
-std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
-RuntimeDyldELF::loadObject(const object::ObjectFile &O) {
-  if (auto ObjSectionToIDOrErr = loadObjectImpl(O))
-    return llvm::make_unique<LoadedELFObjectInfo>(*this, *ObjSectionToIDOrErr);
-  else {
-    HasError = true;
-    raw_string_ostream ErrStream(ErrorStr);
-    logAllUnhandledErrors(ObjSectionToIDOrErr.takeError(), ErrStream);
-    return nullptr;
-  }
-}
-
-void RuntimeDyldELF::resolveX86_64Relocation(const SectionEntry &Section,
-                                             uint64_t Offset, uint64_t Value,
-                                             uint32_t Type, int64_t Addend,
-                                             uint64_t SymOffset) {
-  switch (Type) {
-  default:
-    llvm_unreachable("Relocation type not implemented yet!");
-    break;
-  case ELF::R_X86_64_NONE:
-    break;
-  case ELF::R_X86_64_64: {
-    support::ulittle64_t::ref(Section.getAddressWithOffset(Offset)) =
-        Value + Addend;
-    LLVM_DEBUG(dbgs() << "Writing " << format("%p", (Value + Addend)) << " at "
-                      << format("%p\n", Section.getAddressWithOffset(Offset)));
-    break;
-  }
-  case ELF::R_X86_64_32:
-  case ELF::R_X86_64_32S: {
-    Value += Addend;
-    assert((Type == ELF::R_X86_64_32 && (Value <= UINT32_MAX)) ||
-           (Type == ELF::R_X86_64_32S &&
-            ((int64_t)Value <= INT32_MAX && (int64_t)Value >= INT32_MIN)));
-    uint32_t TruncatedAddr = (Value & 0xFFFFFFFF);
-    support::ulittle32_t::ref(Section.getAddressWithOffset(Offset)) =
-        TruncatedAddr;
-    LLVM_DEBUG(dbgs() << "Writing " << format("%p", TruncatedAddr) << " at "
-                      << format("%p\n", Section.getAddressWithOffset(Offset)));
-    break;
-  }
-  case ELF::R_X86_64_PC8: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    int64_t RealOffset = Value + Addend - FinalAddress;
-    assert(isInt<8>(RealOffset));
-    int8_t TruncOffset = (RealOffset & 0xFF);
-    Section.getAddress()[Offset] = TruncOffset;
-    break;
-  }
-  case ELF::R_X86_64_PC32: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    int64_t RealOffset = Value + Addend - FinalAddress;
-    assert(isInt<32>(RealOffset));
-    int32_t TruncOffset = (RealOffset & 0xFFFFFFFF);
-    support::ulittle32_t::ref(Section.getAddressWithOffset(Offset)) =
-        TruncOffset;
-    break;
-  }
-  case ELF::R_X86_64_PC64: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    int64_t RealOffset = Value + Addend - FinalAddress;
-    support::ulittle64_t::ref(Section.getAddressWithOffset(Offset)) =
-        RealOffset;
-    LLVM_DEBUG(dbgs() << "Writing " << format("%p", RealOffset) << " at "
-                      << format("%p\n", FinalAddress));
-    break;
-  }
-  case ELF::R_X86_64_GOTOFF64: {
-    // Compute Value - GOTBase.
-    uint64_t GOTBase = 0;
-    for (const auto &Section : Sections) {
-      if (Section.getName() == ".got") {
-        GOTBase = Section.getLoadAddressWithOffset(0);
-        break;
-      }
-    }
-    assert(GOTBase != 0 && "missing GOT");
-    int64_t GOTOffset = Value - GOTBase + Addend;
-    support::ulittle64_t::ref(Section.getAddressWithOffset(Offset)) = GOTOffset;
-    break;
-  }
-  }
-}
-
-void RuntimeDyldELF::resolveX86Relocation(const SectionEntry &Section,
-                                          uint64_t Offset, uint32_t Value,
-                                          uint32_t Type, int32_t Addend) {
-  switch (Type) {
-  case ELF::R_386_32: {
-    support::ulittle32_t::ref(Section.getAddressWithOffset(Offset)) =
-        Value + Addend;
-    break;
-  }
-  // Handle R_386_PLT32 like R_386_PC32 since it should be able to
-  // reach any 32 bit address.
-  case ELF::R_386_PLT32:
-  case ELF::R_386_PC32: {
-    uint32_t FinalAddress =
-        Section.getLoadAddressWithOffset(Offset) & 0xFFFFFFFF;
-    uint32_t RealOffset = Value + Addend - FinalAddress;
-    support::ulittle32_t::ref(Section.getAddressWithOffset(Offset)) =
-        RealOffset;
-    break;
-  }
-  default:
-    // There are other relocation types, but it appears these are the
-    // only ones currently used by the LLVM ELF object writer
-    llvm_unreachable("Relocation type not implemented yet!");
-    break;
-  }
-}
-
-void RuntimeDyldELF::resolveAArch64Relocation(const SectionEntry &Section,
-                                              uint64_t Offset, uint64_t Value,
-                                              uint32_t Type, int64_t Addend) {
-  uint32_t *TargetPtr =
-      reinterpret_cast<uint32_t *>(Section.getAddressWithOffset(Offset));
-  uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-  // Data should use target endian. Code should always use little endian.
-  bool isBE = Arch == Triple::aarch64_be;
-
-  LLVM_DEBUG(dbgs() << "resolveAArch64Relocation, LocalAddress: 0x"
-                    << format("%llx", Section.getAddressWithOffset(Offset))
-                    << " FinalAddress: 0x" << format("%llx", FinalAddress)
-                    << " Value: 0x" << format("%llx", Value) << " Type: 0x"
-                    << format("%x", Type) << " Addend: 0x"
-                    << format("%llx", Addend) << "\n");
-
-  switch (Type) {
-  default:
-    llvm_unreachable("Relocation type not implemented yet!");
-    break;
-  case ELF::R_AARCH64_ABS16: {
-    uint64_t Result = Value + Addend;
-    assert(static_cast<int64_t>(Result) >= INT16_MIN && Result < UINT16_MAX);
-    write(isBE, TargetPtr, static_cast<uint16_t>(Result & 0xffffU));
-    break;
-  }
-  case ELF::R_AARCH64_ABS32: {
-    uint64_t Result = Value + Addend;
-    assert(static_cast<int64_t>(Result) >= INT32_MIN && Result < UINT32_MAX);
-    write(isBE, TargetPtr, static_cast<uint32_t>(Result & 0xffffffffU));
-    break;
-  }
-  case ELF::R_AARCH64_ABS64:
-    write(isBE, TargetPtr, Value + Addend);
-    break;
-  case ELF::R_AARCH64_PREL32: {
-    uint64_t Result = Value + Addend - FinalAddress;
-    assert(static_cast<int64_t>(Result) >= INT32_MIN &&
-           static_cast<int64_t>(Result) <= UINT32_MAX);
-    write(isBE, TargetPtr, static_cast<uint32_t>(Result & 0xffffffffU));
-    break;
-  }
-  case ELF::R_AARCH64_PREL64:
-    write(isBE, TargetPtr, Value + Addend - FinalAddress);
-    break;
-  case ELF::R_AARCH64_CALL26: // fallthrough
-  case ELF::R_AARCH64_JUMP26: {
-    // Operation: S+A-P. Set Call or B immediate value to bits fff_fffc of the
-    // calculation.
-    uint64_t BranchImm = Value + Addend - FinalAddress;
-
-    // "Check that -2^27 <= result < 2^27".
-    assert(isInt<28>(BranchImm));
-    or32le(TargetPtr, (BranchImm & 0x0FFFFFFC) >> 2);
-    break;
-  }
-  case ELF::R_AARCH64_MOVW_UABS_G3:
-    or32le(TargetPtr, ((Value + Addend) & 0xFFFF000000000000) >> 43);
-    break;
-  case ELF::R_AARCH64_MOVW_UABS_G2_NC:
-    or32le(TargetPtr, ((Value + Addend) & 0xFFFF00000000) >> 27);
-    break;
-  case ELF::R_AARCH64_MOVW_UABS_G1_NC:
-    or32le(TargetPtr, ((Value + Addend) & 0xFFFF0000) >> 11);
-    break;
-  case ELF::R_AARCH64_MOVW_UABS_G0_NC:
-    or32le(TargetPtr, ((Value + Addend) & 0xFFFF) << 5);
-    break;
-  case ELF::R_AARCH64_ADR_PREL_PG_HI21: {
-    // Operation: Page(S+A) - Page(P)
-    uint64_t Result =
-        ((Value + Addend) & ~0xfffULL) - (FinalAddress & ~0xfffULL);
-
-    // Check that -2^32 <= X < 2^32
-    assert(isInt<33>(Result) && "overflow check failed for relocation");
-
-    // Immediate goes in bits 30:29 + 5:23 of ADRP instruction, taken
-    // from bits 32:12 of X.
-    write32AArch64Addr(TargetPtr, Result >> 12);
-    break;
-  }
-  case ELF::R_AARCH64_ADD_ABS_LO12_NC:
-    // Operation: S + A
-    // Immediate goes in bits 21:10 of LD/ST instruction, taken
-    // from bits 11:0 of X
-    or32AArch64Imm(TargetPtr, Value + Addend);
-    break;
-  case ELF::R_AARCH64_LDST8_ABS_LO12_NC:
-    // Operation: S + A
-    // Immediate goes in bits 21:10 of LD/ST instruction, taken
-    // from bits 11:0 of X
-    or32AArch64Imm(TargetPtr, getBits(Value + Addend, 0, 11));
-    break;
-  case ELF::R_AARCH64_LDST16_ABS_LO12_NC:
-    // Operation: S + A
-    // Immediate goes in bits 21:10 of LD/ST instruction, taken
-    // from bits 11:1 of X
-    or32AArch64Imm(TargetPtr, getBits(Value + Addend, 1, 11));
-    break;
-  case ELF::R_AARCH64_LDST32_ABS_LO12_NC:
-    // Operation: S + A
-    // Immediate goes in bits 21:10 of LD/ST instruction, taken
-    // from bits 11:2 of X
-    or32AArch64Imm(TargetPtr, getBits(Value + Addend, 2, 11));
-    break;
-  case ELF::R_AARCH64_LDST64_ABS_LO12_NC:
-    // Operation: S + A
-    // Immediate goes in bits 21:10 of LD/ST instruction, taken
-    // from bits 11:3 of X
-    or32AArch64Imm(TargetPtr, getBits(Value + Addend, 3, 11));
-    break;
-  case ELF::R_AARCH64_LDST128_ABS_LO12_NC:
-    // Operation: S + A
-    // Immediate goes in bits 21:10 of LD/ST instruction, taken
-    // from bits 11:4 of X
-    or32AArch64Imm(TargetPtr, getBits(Value + Addend, 4, 11));
-    break;
-  }
-}
-
-void RuntimeDyldELF::resolveARMRelocation(const SectionEntry &Section,
-                                          uint64_t Offset, uint32_t Value,
-                                          uint32_t Type, int32_t Addend) {
-  // TODO: Add Thumb relocations.
-  uint32_t *TargetPtr =
-      reinterpret_cast<uint32_t *>(Section.getAddressWithOffset(Offset));
-  uint32_t FinalAddress = Section.getLoadAddressWithOffset(Offset) & 0xFFFFFFFF;
-  Value += Addend;
-
-  LLVM_DEBUG(dbgs() << "resolveARMRelocation, LocalAddress: "
-                    << Section.getAddressWithOffset(Offset)
-                    << " FinalAddress: " << format("%p", FinalAddress)
-                    << " Value: " << format("%x", Value)
-                    << " Type: " << format("%x", Type)
-                    << " Addend: " << format("%x", Addend) << "\n");
-
-  switch (Type) {
-  default:
-    llvm_unreachable("Not implemented relocation type!");
-
-  case ELF::R_ARM_NONE:
-    break;
-    // Write a 31bit signed offset
-  case ELF::R_ARM_PREL31:
-    support::ulittle32_t::ref{TargetPtr} =
-        (support::ulittle32_t::ref{TargetPtr} & 0x80000000) |
-        ((Value - FinalAddress) & ~0x80000000);
-    break;
-  case ELF::R_ARM_TARGET1:
-  case ELF::R_ARM_ABS32:
-    support::ulittle32_t::ref{TargetPtr} = Value;
-    break;
-    // Write first 16 bit of 32 bit value to the mov instruction.
-    // Last 4 bit should be shifted.
-  case ELF::R_ARM_MOVW_ABS_NC:
-  case ELF::R_ARM_MOVT_ABS:
-    if (Type == ELF::R_ARM_MOVW_ABS_NC)
-      Value = Value & 0xFFFF;
-    else if (Type == ELF::R_ARM_MOVT_ABS)
-      Value = (Value >> 16) & 0xFFFF;
-    support::ulittle32_t::ref{TargetPtr} =
-        (support::ulittle32_t::ref{TargetPtr} & ~0x000F0FFF) | (Value & 0xFFF) |
-        (((Value >> 12) & 0xF) << 16);
-    break;
-    // Write 24 bit relative value to the branch instruction.
-  case ELF::R_ARM_PC24: // Fall through.
-  case ELF::R_ARM_CALL: // Fall through.
-  case ELF::R_ARM_JUMP24:
-    int32_t RelValue = static_cast<int32_t>(Value - FinalAddress - 8);
-    RelValue = (RelValue & 0x03FFFFFC) >> 2;
-    assert((support::ulittle32_t::ref{TargetPtr} & 0xFFFFFF) == 0xFFFFFE);
-    support::ulittle32_t::ref{TargetPtr} =
-        (support::ulittle32_t::ref{TargetPtr} & 0xFF000000) | RelValue;
-    break;
-  }
-}
-
-void RuntimeDyldELF::setMipsABI(const ObjectFile &Obj) {
-  if (Arch == Triple::UnknownArch ||
-      !StringRef(Triple::getArchTypePrefix(Arch)).equals("mips")) {
-    IsMipsO32ABI = false;
-    IsMipsN32ABI = false;
-    IsMipsN64ABI = false;
-    return;
-  }
-  if (auto *E = dyn_cast<ELFObjectFileBase>(&Obj)) {
-    unsigned AbiVariant = E->getPlatformFlags();
-    IsMipsO32ABI = AbiVariant & ELF::EF_MIPS_ABI_O32;
-    IsMipsN32ABI = AbiVariant & ELF::EF_MIPS_ABI2;
-  }
-  IsMipsN64ABI = Obj.getFileFormatName().equals("ELF64-mips");
-}
-
-// Return the .TOC. section and offset.
-Error RuntimeDyldELF::findPPC64TOCSection(const ELFObjectFileBase &Obj,
-                                          ObjSectionToIDMap &LocalSections,
-                                          RelocationValueRef &Rel) {
-  // Set a default SectionID in case we do not find a TOC section below.
-  // This may happen for references to TOC base base (sym@toc, .odp
-  // relocation) without a .toc directive.  In this case just use the
-  // first section (which is usually the .odp) since the code won't
-  // reference the .toc base directly.
-  Rel.SymbolName = nullptr;
-  Rel.SectionID = 0;
-
-  // The TOC consists of sections .got, .toc, .tocbss, .plt in that
-  // order. The TOC starts where the first of these sections starts.
-  for (auto &Section: Obj.sections()) {
-    StringRef SectionName;
-    if (auto EC = Section.getName(SectionName))
-      return errorCodeToError(EC);
-
-    if (SectionName == ".got"
-        || SectionName == ".toc"
-        || SectionName == ".tocbss"
-        || SectionName == ".plt") {
-      if (auto SectionIDOrErr =
-            findOrEmitSection(Obj, Section, false, LocalSections))
-        Rel.SectionID = *SectionIDOrErr;
-      else
-        return SectionIDOrErr.takeError();
-      break;
-    }
-  }
-
-  // Per the ppc64-elf-linux ABI, The TOC base is TOC value plus 0x8000
-  // thus permitting a full 64 Kbytes segment.
-  Rel.Addend = 0x8000;
-
-  return Error::success();
-}
-
-// Returns the sections and offset associated with the ODP entry referenced
-// by Symbol.
-Error RuntimeDyldELF::findOPDEntrySection(const ELFObjectFileBase &Obj,
-                                          ObjSectionToIDMap &LocalSections,
-                                          RelocationValueRef &Rel) {
-  // Get the ELF symbol value (st_value) to compare with Relocation offset in
-  // .opd entries
-  for (section_iterator si = Obj.section_begin(), se = Obj.section_end();
-       si != se; ++si) {
-    section_iterator RelSecI = si->getRelocatedSection();
-    if (RelSecI == Obj.section_end())
-      continue;
-
-    StringRef RelSectionName;
-    if (auto EC = RelSecI->getName(RelSectionName))
-      return errorCodeToError(EC);
-
-    if (RelSectionName != ".opd")
-      continue;
-
-    for (elf_relocation_iterator i = si->relocation_begin(),
-                                 e = si->relocation_end();
-         i != e;) {
-      // The R_PPC64_ADDR64 relocation indicates the first field
-      // of a .opd entry
-      uint64_t TypeFunc = i->getType();
-      if (TypeFunc != ELF::R_PPC64_ADDR64) {
-        ++i;
-        continue;
-      }
-
-      uint64_t TargetSymbolOffset = i->getOffset();
-      symbol_iterator TargetSymbol = i->getSymbol();
-      int64_t Addend;
-      if (auto AddendOrErr = i->getAddend())
-        Addend = *AddendOrErr;
-      else
-        return AddendOrErr.takeError();
-
-      ++i;
-      if (i == e)
-        break;
-
-      // Just check if following relocation is a R_PPC64_TOC
-      uint64_t TypeTOC = i->getType();
-      if (TypeTOC != ELF::R_PPC64_TOC)
-        continue;
-
-      // Finally compares the Symbol value and the target symbol offset
-      // to check if this .opd entry refers to the symbol the relocation
-      // points to.
-      if (Rel.Addend != (int64_t)TargetSymbolOffset)
-        continue;
-
-      section_iterator TSI = Obj.section_end();
-      if (auto TSIOrErr = TargetSymbol->getSection())
-        TSI = *TSIOrErr;
-      else
-        return TSIOrErr.takeError();
-      assert(TSI != Obj.section_end() && "TSI should refer to a valid section");
-
-      bool IsCode = TSI->isText();
-      if (auto SectionIDOrErr = findOrEmitSection(Obj, *TSI, IsCode,
-                                                  LocalSections))
-        Rel.SectionID = *SectionIDOrErr;
-      else
-        return SectionIDOrErr.takeError();
-      Rel.Addend = (intptr_t)Addend;
-      return Error::success();
-    }
-  }
-  llvm_unreachable("Attempting to get address of ODP entry!");
-}
-
-// Relocation masks following the #lo(value), #hi(value), #ha(value),
-// #higher(value), #highera(value), #highest(value), and #highesta(value)
-// macros defined in section 4.5.1. Relocation Types of the PPC-elf64abi
-// document.
-
-static inline uint16_t applyPPClo(uint64_t value) { return value & 0xffff; }
-
-static inline uint16_t applyPPChi(uint64_t value) {
-  return (value >> 16) & 0xffff;
-}
-
-static inline uint16_t applyPPCha (uint64_t value) {
-  return ((value + 0x8000) >> 16) & 0xffff;
-}
-
-static inline uint16_t applyPPChigher(uint64_t value) {
-  return (value >> 32) & 0xffff;
-}
-
-static inline uint16_t applyPPChighera (uint64_t value) {
-  return ((value + 0x8000) >> 32) & 0xffff;
-}
-
-static inline uint16_t applyPPChighest(uint64_t value) {
-  return (value >> 48) & 0xffff;
-}
-
-static inline uint16_t applyPPChighesta (uint64_t value) {
-  return ((value + 0x8000) >> 48) & 0xffff;
-}
-
-void RuntimeDyldELF::resolvePPC32Relocation(const SectionEntry &Section,
-                                            uint64_t Offset, uint64_t Value,
-                                            uint32_t Type, int64_t Addend) {
-  uint8_t *LocalAddress = Section.getAddressWithOffset(Offset);
-  switch (Type) {
-  default:
-    llvm_unreachable("Relocation type not implemented yet!");
-    break;
-  case ELF::R_PPC_ADDR16_LO:
-    writeInt16BE(LocalAddress, applyPPClo(Value + Addend));
-    break;
-  case ELF::R_PPC_ADDR16_HI:
-    writeInt16BE(LocalAddress, applyPPChi(Value + Addend));
-    break;
-  case ELF::R_PPC_ADDR16_HA:
-    writeInt16BE(LocalAddress, applyPPCha(Value + Addend));
-    break;
-  }
-}
-
-void RuntimeDyldELF::resolvePPC64Relocation(const SectionEntry &Section,
-                                            uint64_t Offset, uint64_t Value,
-                                            uint32_t Type, int64_t Addend) {
-  uint8_t *LocalAddress = Section.getAddressWithOffset(Offset);
-  switch (Type) {
-  default:
-    llvm_unreachable("Relocation type not implemented yet!");
-    break;
-  case ELF::R_PPC64_ADDR16:
-    writeInt16BE(LocalAddress, applyPPClo(Value + Addend));
-    break;
-  case ELF::R_PPC64_ADDR16_DS:
-    writeInt16BE(LocalAddress, applyPPClo(Value + Addend) & ~3);
-    break;
-  case ELF::R_PPC64_ADDR16_LO:
-    writeInt16BE(LocalAddress, applyPPClo(Value + Addend));
-    break;
-  case ELF::R_PPC64_ADDR16_LO_DS:
-    writeInt16BE(LocalAddress, applyPPClo(Value + Addend) & ~3);
-    break;
-  case ELF::R_PPC64_ADDR16_HI:
-  case ELF::R_PPC64_ADDR16_HIGH:
-    writeInt16BE(LocalAddress, applyPPChi(Value + Addend));
-    break;
-  case ELF::R_PPC64_ADDR16_HA:
-  case ELF::R_PPC64_ADDR16_HIGHA:
-    writeInt16BE(LocalAddress, applyPPCha(Value + Addend));
-    break;
-  case ELF::R_PPC64_ADDR16_HIGHER:
-    writeInt16BE(LocalAddress, applyPPChigher(Value + Addend));
-    break;
-  case ELF::R_PPC64_ADDR16_HIGHERA:
-    writeInt16BE(LocalAddress, applyPPChighera(Value + Addend));
-    break;
-  case ELF::R_PPC64_ADDR16_HIGHEST:
-    writeInt16BE(LocalAddress, applyPPChighest(Value + Addend));
-    break;
-  case ELF::R_PPC64_ADDR16_HIGHESTA:
-    writeInt16BE(LocalAddress, applyPPChighesta(Value + Addend));
-    break;
-  case ELF::R_PPC64_ADDR14: {
-    assert(((Value + Addend) & 3) == 0);
-    // Preserve the AA/LK bits in the branch instruction
-    uint8_t aalk = *(LocalAddress + 3);
-    writeInt16BE(LocalAddress + 2, (aalk & 3) | ((Value + Addend) & 0xfffc));
-  } break;
-  case ELF::R_PPC64_REL16_LO: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    uint64_t Delta = Value - FinalAddress + Addend;
-    writeInt16BE(LocalAddress, applyPPClo(Delta));
-  } break;
-  case ELF::R_PPC64_REL16_HI: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    uint64_t Delta = Value - FinalAddress + Addend;
-    writeInt16BE(LocalAddress, applyPPChi(Delta));
-  } break;
-  case ELF::R_PPC64_REL16_HA: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    uint64_t Delta = Value - FinalAddress + Addend;
-    writeInt16BE(LocalAddress, applyPPCha(Delta));
-  } break;
-  case ELF::R_PPC64_ADDR32: {
-    int64_t Result = static_cast<int64_t>(Value + Addend);
-    if (SignExtend64<32>(Result) != Result)
-      llvm_unreachable("Relocation R_PPC64_ADDR32 overflow");
-    writeInt32BE(LocalAddress, Result);
-  } break;
-  case ELF::R_PPC64_REL24: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    int64_t delta = static_cast<int64_t>(Value - FinalAddress + Addend);
-    if (SignExtend64<26>(delta) != delta)
-      llvm_unreachable("Relocation R_PPC64_REL24 overflow");
-    // We preserve bits other than LI field, i.e. PO and AA/LK fields.
-    uint32_t Inst = readBytesUnaligned(LocalAddress, 4);
-    writeInt32BE(LocalAddress, (Inst & 0xFC000003) | (delta & 0x03FFFFFC));
-  } break;
-  case ELF::R_PPC64_REL32: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    int64_t delta = static_cast<int64_t>(Value - FinalAddress + Addend);
-    if (SignExtend64<32>(delta) != delta)
-      llvm_unreachable("Relocation R_PPC64_REL32 overflow");
-    writeInt32BE(LocalAddress, delta);
-  } break;
-  case ELF::R_PPC64_REL64: {
-    uint64_t FinalAddress = Section.getLoadAddressWithOffset(Offset);
-    uint64_t Delta = Value - FinalAddress + Addend;
-    writeInt64BE(LocalAddress, Delta);
-  } break;
-  case ELF::R_PPC64_ADDR64:
-    writeInt64BE(LocalAddress, Value + Addend);
-    break;
-  }
-}
-
-void RuntimeDyldELF::resolveSystemZRelocation(const SectionEntry &Section,
-                                              uint64_t Offset, uint64_t Value,
-                                              uint32_t Type, int64_t Addend) {
-  uint8_t *LocalAddress = Section.getAddressWithOffset(Offset);
-  switch (Type) {
-  default:
-    llvm_unreachable("Relocation type not implemented yet!");
-    break;
-  case ELF::R_390_PC16DBL:
-  case ELF::R_390_PLT16DBL: {
-    int64_t Delta = (Value + Addend) - Section.getLoadAddressWithOffset(Offset);
-    assert(int16_t(Delta / 2) * 2 == Delta && "R_390_PC16DBL overflow");
-    writeInt16BE(LocalAddress, Delta / 2);
-    break;
-  }
-  case ELF::R_390_PC32DBL:
-  case ELF::R_390_PLT32DBL: {
-    int64_t Delta = (Value + Addend) - Section.getLoadAddressWithOffset(Offset);
-    assert(int32_t(Delta / 2) * 2 == Delta && "R_390_PC32DBL overflow");
-    writeInt32BE(LocalAddress, Delta / 2);
-    break;
-  }
-  case ELF::R_390_PC16: {
-    int64_t Delta = (Value + Addend) - Section.getLoadAddressWithOffset(Offset);
-    assert(int16_t(Delta) == Delta && "R_390_PC16 overflow");
-    writeInt16BE(LocalAddress, Delta);
-    break;
-  }
-  case ELF::R_390_PC32: {
-    int64_t Delta = (Value + Addend) - Section.getLoadAddressWithOffset(Offset);
-    assert(int32_t(Delta) == Delta && "R_390_PC32 overflow");
-    writeInt32BE(LocalAddress, Delta);
-    break;
-  }
-  case ELF::R_390_PC64: {
-    int64_t Delta = (Value + Addend) - Section.getLoadAddressWithOffset(Offset);
-    writeInt64BE(LocalAddress, Delta);
-    break;
-  }
-  case ELF::R_390_8:
-    *LocalAddress = (uint8_t)(Value + Addend);
-    break;
-  case ELF::R_390_16:
-    writeInt16BE(LocalAddress, Value + Addend);
-    break;
-  case ELF::R_390_32:
-    writeInt32BE(LocalAddress, Value + Addend);
-    break;
-  case ELF::R_390_64:
-    writeInt64BE(LocalAddress, Value + Addend);
-    break;
-  }
-}
-
-void RuntimeDyldELF::resolveBPFRelocation(const SectionEntry &Section,
-                                          uint64_t Offset, uint64_t Value,
-                                          uint32_t Type, int64_t Addend) {
-  bool isBE = Arch == Triple::bpfeb;
-
-  switch (Type) {
-  default:
-    llvm_unreachable("Relocation type not implemented yet!");
-    break;
-  case ELF::R_BPF_NONE:
-    break;
-  case ELF::R_BPF_64_64: {
-    write(isBE, Section.getAddressWithOffset(Offset), Value + Addend);
-    LLVM_DEBUG(dbgs() << "Writing " << format("%p", (Value + Addend)) << " at "
-                      << format("%p\n", Section.getAddressWithOffset(Offset)));
-    break;
-  }
-  case ELF::R_BPF_64_32: {
-    Value += Addend;
-    assert(Value <= UINT32_MAX);
-    write(isBE, Section.getAddressWithOffset(Offset), static_cast<uint32_t>(Value));
-    LLVM_DEBUG(dbgs() << "Writing " << format("%p", Value) << " at "
-                      << format("%p\n", Section.getAddressWithOffset(Offset)));
-    break;
-  }
-  }
-}
-
-// The target location for the relocation is described by RE.SectionID and
-// RE.Offset.  RE.SectionID can be used to find the SectionEntry.  Each
-// SectionEntry has three members describing its location.
-// SectionEntry::Address is the address at which the section has been loaded
-// into memory in the current (host) process.  SectionEntry::LoadAddress is the
-// address that the section will have in the target process.
-// SectionEntry::ObjAddress is the address of the bits for this section in the
-// original emitted object image (also in the current address space).
-//
-// Relocations will be applied as if the section were loaded at
-// SectionEntry::LoadAddress, but they will be applied at an address based
-// on SectionEntry::Address.  SectionEntry::ObjAddress will be used to refer to
-// Target memory contents if they are required for value calculations.
-//
-// The Value parameter here is the load address of the symbol for the
-// relocation to be applied.  For relocations which refer to symbols in the
-// current object Value will be the LoadAddress of the section in which
-// the symbol resides (RE.Addend provides additional information about the
-// symbol location).  For external symbols, Value will be the address of the
-// symbol in the target address space.
-void RuntimeDyldELF::resolveRelocation(const RelocationEntry &RE,
-                                       uint64_t Value) {
-  const SectionEntry &Section = Sections[RE.SectionID];
-  return resolveRelocation(Section, RE.Offset, Value, RE.RelType, RE.Addend,
-                           RE.SymOffset, RE.SectionID);
-}
-
-void RuntimeDyldELF::resolveRelocation(const SectionEntry &Section,
-                                       uint64_t Offset, uint64_t Value,
-                                       uint32_t Type, int64_t Addend,
-                                       uint64_t SymOffset, SID SectionID) {
-  switch (Arch) {
-  case Triple::x86_64:
-    resolveX86_64Relocation(Section, Offset, Value, Type, Addend, SymOffset);
-    break;
-  case Triple::x86:
-    resolveX86Relocation(Section, Offset, (uint32_t)(Value & 0xffffffffL), Type,
-                         (uint32_t)(Addend & 0xffffffffL));
-    break;
-  case Triple::aarch64:
-  case Triple::aarch64_be:
-    resolveAArch64Relocation(Section, Offset, Value, Type, Addend);
-    break;
-  case Triple::arm: // Fall through.
-  case Triple::armeb:
-  case Triple::thumb:
-  case Triple::thumbeb:
-    resolveARMRelocation(Section, Offset, (uint32_t)(Value & 0xffffffffL), Type,
-                         (uint32_t)(Addend & 0xffffffffL));
-    break;
-  case Triple::ppc:
-    resolvePPC32Relocation(Section, Offset, Value, Type, Addend);
-    break;
-  case Triple::ppc64: // Fall through.
-  case Triple::ppc64le:
-    resolvePPC64Relocation(Section, Offset, Value, Type, Addend);
-    break;
-  case Triple::systemz:
-    resolveSystemZRelocation(Section, Offset, Value, Type, Addend);
-    break;
-  case Triple::bpfel:
-  case Triple::bpfeb:
-    resolveBPFRelocation(Section, Offset, Value, Type, Addend);
-    break;
-  default:
-    llvm_unreachable("Unsupported CPU type!");
-  }
-}
-
-void *RuntimeDyldELF::computePlaceholderAddress(unsigned SectionID, uint64_t Offset) const {
-  return (void *)(Sections[SectionID].getObjAddress() + Offset);
-}
-
-void RuntimeDyldELF::processSimpleRelocation(unsigned SectionID, uint64_t Offset, unsigned RelType, RelocationValueRef Value) {
-  RelocationEntry RE(SectionID, Offset, RelType, Value.Addend, Value.Offset);
-  if (Value.SymbolName)
-    addRelocationForSymbol(RE, Value.SymbolName);
-  else
-    addRelocationForSection(RE, Value.SectionID);
-}
-
-uint32_t RuntimeDyldELF::getMatchingLoRelocation(uint32_t RelType,
-                                                 bool IsLocal) const {
-  switch (RelType) {
-  case ELF::R_MICROMIPS_GOT16:
-    if (IsLocal)
-      return ELF::R_MICROMIPS_LO16;
-    break;
-  case ELF::R_MICROMIPS_HI16:
-    return ELF::R_MICROMIPS_LO16;
-  case ELF::R_MIPS_GOT16:
-    if (IsLocal)
-      return ELF::R_MIPS_LO16;
-    break;
-  case ELF::R_MIPS_HI16:
-    return ELF::R_MIPS_LO16;
-  case ELF::R_MIPS_PCHI16:
-    return ELF::R_MIPS_PCLO16;
-  default:
-    break;
-  }
-  return ELF::R_MIPS_NONE;
-}
-
-// Sometimes we don't need to create thunk for a branch.
-// This typically happens when branch target is located
-// in the same object file. In such case target is either
-// a weak symbol or symbol in a different executable section.
-// This function checks if branch target is located in the
-// same object file and if distance between source and target
-// fits R_AARCH64_CALL26 relocation. If both conditions are
-// met, it emits direct jump to the target and returns true.
-// Otherwise false is returned and thunk is created.
-bool RuntimeDyldELF::resolveAArch64ShortBranch(
-    unsigned SectionID, relocation_iterator RelI,
-    const RelocationValueRef &Value) {
-  uint64_t Address;
-  if (Value.SymbolName) {
-    auto Loc = GlobalSymbolTable.find(Value.SymbolName);
-
-    // Don't create direct branch for external symbols.
-    if (Loc == GlobalSymbolTable.end())
-      return false;
-
-    const auto &SymInfo = Loc->second;
-    Address =
-        uint64_t(Sections[SymInfo.getSectionID()].getLoadAddressWithOffset(
-            SymInfo.getOffset()));
-  } else {
-    Address = uint64_t(Sections[Value.SectionID].getLoadAddress());
-  }
-  uint64_t Offset = RelI->getOffset();
-  uint64_t SourceAddress = Sections[SectionID].getLoadAddressWithOffset(Offset);
-
-  // R_AARCH64_CALL26 requires immediate to be in range -2^27 <= imm < 2^27
-  // If distance between source and target is out of range then we should
-  // create thunk.
-  if (!isInt<28>(Address + Value.Addend - SourceAddress))
-    return false;
-
-  resolveRelocation(Sections[SectionID], Offset, Address, RelI->getType(),
-                    Value.Addend);
-
-  return true;
-}
-
-void RuntimeDyldELF::resolveAArch64Branch(unsigned SectionID,
-                                          const RelocationValueRef &Value,
-                                          relocation_iterator RelI,
-                                          StubMap &Stubs) {
-
-  LLVM_DEBUG(dbgs() << "\t\tThis is an AArch64 branch relocation.");
-  SectionEntry &Section = Sections[SectionID];
-
-  uint64_t Offset = RelI->getOffset();
-  unsigned RelType = RelI->getType();
-  // Look for an existing stub.
-  StubMap::const_iterator i = Stubs.find(Value);
-  if (i != Stubs.end()) {
-    resolveRelocation(Section, Offset,
-                      (uint64_t)Section.getAddressWithOffset(i->second),
-                      RelType, 0);
-    LLVM_DEBUG(dbgs() << " Stub function found\n");
-  } else if (!resolveAArch64ShortBranch(SectionID, RelI, Value)) {
-    // Create a new stub function.
-    LLVM_DEBUG(dbgs() << " Create a new stub function\n");
-    Stubs[Value] = Section.getStubOffset();
-    uint8_t *StubTargetAddr = createStubFunction(
-        Section.getAddressWithOffset(Section.getStubOffset()));
-
-    RelocationEntry REmovz_g3(SectionID, StubTargetAddr - Section.getAddress(),
-                              ELF::R_AARCH64_MOVW_UABS_G3, Value.Addend);
-    RelocationEntry REmovk_g2(SectionID,
-                              StubTargetAddr - Section.getAddress() + 4,
-                              ELF::R_AARCH64_MOVW_UABS_G2_NC, Value.Addend);
-    RelocationEntry REmovk_g1(SectionID,
-                              StubTargetAddr - Section.getAddress() + 8,
-                              ELF::R_AARCH64_MOVW_UABS_G1_NC, Value.Addend);
-    RelocationEntry REmovk_g0(SectionID,
-                              StubTargetAddr - Section.getAddress() + 12,
-                              ELF::R_AARCH64_MOVW_UABS_G0_NC, Value.Addend);
-
-    if (Value.SymbolName) {
-      addRelocationForSymbol(REmovz_g3, Value.SymbolName);
-      addRelocationForSymbol(REmovk_g2, Value.SymbolName);
-      addRelocationForSymbol(REmovk_g1, Value.SymbolName);
-      addRelocationForSymbol(REmovk_g0, Value.SymbolName);
-    } else {
-      addRelocationForSection(REmovz_g3, Value.SectionID);
-      addRelocationForSection(REmovk_g2, Value.SectionID);
-      addRelocationForSection(REmovk_g1, Value.SectionID);
-      addRelocationForSection(REmovk_g0, Value.SectionID);
-    }
-    resolveRelocation(Section, Offset,
-                      reinterpret_cast<uint64_t>(Section.getAddressWithOffset(
-                          Section.getStubOffset())),
-                      RelType, 0);
-    Section.advanceStubOffset(getMaxStubSize());
-  }
-}
-
-Expected<relocation_iterator>
-RuntimeDyldELF::processRelocationRef(
-    unsigned SectionID, relocation_iterator RelI, const ObjectFile &O,
-    ObjSectionToIDMap &ObjSectionToID, StubMap &Stubs) {
-  const auto &Obj = cast<ELFObjectFileBase>(O);
-  uint64_t RelType = RelI->getType();
-  int64_t Addend = 0;
-  if (Expected<int64_t> AddendOrErr = ELFRelocationRef(*RelI).getAddend())
-    Addend = *AddendOrErr;
-  else
-    consumeError(AddendOrErr.takeError());
-  elf_symbol_iterator Symbol = RelI->getSymbol();
-
-  // Obtain the symbol name which is referenced in the relocation
-  StringRef TargetName;
-  if (Symbol != Obj.symbol_end()) {
-    if (auto TargetNameOrErr = Symbol->getName())
-      TargetName = *TargetNameOrErr;
-    else
-      return TargetNameOrErr.takeError();
-  }
-  LLVM_DEBUG(dbgs() << "\t\tRelType: " << RelType << " Addend: " << Addend
-                    << " TargetName: " << TargetName << "\n");
-  RelocationValueRef Value;
-  // First search for the symbol in the local symbol table
-  SymbolRef::Type SymType = SymbolRef::ST_Unknown;
-
-  // Search for the symbol in the global symbol table
-  RTDyldSymbolTable::const_iterator gsi = GlobalSymbolTable.end();
-  if (Symbol != Obj.symbol_end()) {
-    gsi = GlobalSymbolTable.find(TargetName.data());
-    Expected<SymbolRef::Type> SymTypeOrErr = Symbol->getType();
-    if (!SymTypeOrErr) {
-      std::string Buf;
-      raw_string_ostream OS(Buf);
-      logAllUnhandledErrors(SymTypeOrErr.takeError(), OS);
-      OS.flush();
-      report_fatal_error(Buf);
-    }
-    SymType = *SymTypeOrErr;
-  }
-  if (gsi != GlobalSymbolTable.end()) {
-    const auto &SymInfo = gsi->second;
-    Value.SectionID = SymInfo.getSectionID();
-    Value.Offset = SymInfo.getOffset();
-    Value.Addend = SymInfo.getOffset() + Addend;
-  } else {
-    switch (SymType) {
-    case SymbolRef::ST_Debug: {
-      // TODO: Now ELF SymbolRef::ST_Debug = STT_SECTION, it's not obviously
-      // and can be changed by another developers. Maybe best way is add
-      // a new symbol type ST_Section to SymbolRef and use it.
-      auto SectionOrErr = Symbol->getSection();
-      if (!SectionOrErr) {
-        std::string Buf;
-        raw_string_ostream OS(Buf);
-        logAllUnhandledErrors(SectionOrErr.takeError(), OS);
-        OS.flush();
-        report_fatal_error(Buf);
-      }
-      section_iterator si = *SectionOrErr;
-      if (si == Obj.section_end())
-        llvm_unreachable("Symbol section not found, bad object file format!");
-      LLVM_DEBUG(dbgs() << "\t\tThis is section symbol\n");
-      bool isCode = si->isText();
-      if (auto SectionIDOrErr = findOrEmitSection(Obj, (*si), isCode,
-                                                  ObjSectionToID))
-        Value.SectionID = *SectionIDOrErr;
-      else
-        return SectionIDOrErr.takeError();
-      Value.Addend = Addend;
-      break;
-    }
-    case SymbolRef::ST_Data:
-    case SymbolRef::ST_Function:
-    case SymbolRef::ST_Unknown: {
-      Value.SymbolName = TargetName.data();
-      Value.Addend = Addend;
-
-      // Absolute relocations will have a zero symbol ID (STN_UNDEF), which
-      // will manifest here as a NULL symbol name.
-      // We can set this as a valid (but empty) symbol name, and rely
-      // on addRelocationForSymbol to handle this.
-      if (!Value.SymbolName)
-        Value.SymbolName = "";
-      break;
-    }
-    default:
-      llvm_unreachable("Unresolved symbol type!");
-      break;
-    }
-  }
-
-  uint64_t Offset = RelI->getOffset();
-
-  LLVM_DEBUG(dbgs() << "\t\tSectionID: " << SectionID << " Offset: " << Offset
-                    << "\n");
-  if ((Arch == Triple::aarch64 || Arch == Triple::aarch64_be)) {
-    if (RelType == ELF::R_AARCH64_CALL26 || RelType == ELF::R_AARCH64_JUMP26) {
-      resolveAArch64Branch(SectionID, Value, RelI, Stubs);
-    } else if (RelType == ELF::R_AARCH64_ADR_GOT_PAGE) {
-      // Craete new GOT entry or find existing one. If GOT entry is
-      // to be created, then we also emit ABS64 relocation for it.
-      uint64_t GOTOffset = findOrAllocGOTEntry(Value, ELF::R_AARCH64_ABS64);
-      resolveGOTOffsetRelocation(SectionID, Offset, GOTOffset + Addend,
-                                 ELF::R_AARCH64_ADR_PREL_PG_HI21);
-
-    } else if (RelType == ELF::R_AARCH64_LD64_GOT_LO12_NC) {
-      uint64_t GOTOffset = findOrAllocGOTEntry(Value, ELF::R_AARCH64_ABS64);
-      resolveGOTOffsetRelocation(SectionID, Offset, GOTOffset + Addend,
-                                 ELF::R_AARCH64_LDST64_ABS_LO12_NC);
-    } else {
-      processSimpleRelocation(SectionID, Offset, RelType, Value);
-    }
-  } else if (Arch == Triple::arm) {
-    if (RelType == ELF::R_ARM_PC24 || RelType == ELF::R_ARM_CALL ||
-      RelType == ELF::R_ARM_JUMP24) {
-      // This is an ARM branch relocation, need to use a stub function.
-      LLVM_DEBUG(dbgs() << "\t\tThis is an ARM branch relocation.\n");
-      SectionEntry &Section = Sections[SectionID];
-
-      // Look for an existing stub.
-      StubMap::const_iterator i = Stubs.find(Value);
-      if (i != Stubs.end()) {
-        resolveRelocation(
-            Section, Offset,
-            reinterpret_cast<uint64_t>(Section.getAddressWithOffset(i->second)),
-            RelType, 0);
-        LLVM_DEBUG(dbgs() << " Stub function found\n");
-      } else {
-        // Create a new stub function.
-        LLVM_DEBUG(dbgs() << " Create a new stub function\n");
-        Stubs[Value] = Section.getStubOffset();
-        uint8_t *StubTargetAddr = createStubFunction(
-            Section.getAddressWithOffset(Section.getStubOffset()));
-        RelocationEntry RE(SectionID, StubTargetAddr - Section.getAddress(),
-                           ELF::R_ARM_ABS32, Value.Addend);
-        if (Value.SymbolName)
-          addRelocationForSymbol(RE, Value.SymbolName);
-        else
-          addRelocationForSection(RE, Value.SectionID);
-
-        resolveRelocation(Section, Offset, reinterpret_cast<uint64_t>(
-                                               Section.getAddressWithOffset(
-                                                   Section.getStubOffset())),
-                          RelType, 0);
-        Section.advanceStubOffset(getMaxStubSize());
-      }
-    } else {
-      uint32_t *Placeholder =
-        reinterpret_cast<uint32_t*>(computePlaceholderAddress(SectionID, Offset));
-      if (RelType == ELF::R_ARM_PREL31 || RelType == ELF::R_ARM_TARGET1 ||
-          RelType == ELF::R_ARM_ABS32) {
-        Value.Addend += *Placeholder;
-      } else if (RelType == ELF::R_ARM_MOVW_ABS_NC || RelType == ELF::R_ARM_MOVT_ABS) {
-        // See ELF for ARM documentation
-        Value.Addend += (int16_t)((*Placeholder & 0xFFF) | (((*Placeholder >> 16) & 0xF) << 12));
-      }
-      processSimpleRelocation(SectionID, Offset, RelType, Value);
-    }
-  } else if (IsMipsO32ABI) {
-    uint8_t *Placeholder = reinterpret_cast<uint8_t *>(
-        computePlaceholderAddress(SectionID, Offset));
-    uint32_t Opcode = readBytesUnaligned(Placeholder, 4);
-    if (RelType == ELF::R_MIPS_26) {
-      // This is an Mips branch relocation, need to use a stub function.
-      LLVM_DEBUG(dbgs() << "\t\tThis is a Mips branch relocation.");
-      SectionEntry &Section = Sections[SectionID];
-
-      // Extract the addend from the instruction.
-      // We shift up by two since the Value will be down shifted again
-      // when applying the relocation.
-      uint32_t Addend = (Opcode & 0x03ffffff) << 2;
-
-      Value.Addend += Addend;
-
-      //  Look up for existing stub.
-      StubMap::const_iterator i = Stubs.find(Value);
-      if (i != Stubs.end()) {
-        RelocationEntry RE(SectionID, Offset, RelType, i->second);
-        addRelocationForSection(RE, SectionID);
-        LLVM_DEBUG(dbgs() << " Stub function found\n");
-      } else {
-        // Create a new stub function.
-        LLVM_DEBUG(dbgs() << " Create a new stub function\n");
-        Stubs[Value] = Section.getStubOffset();
-
-        unsigned AbiVariant = Obj.getPlatformFlags();
-
-        uint8_t *StubTargetAddr = createStubFunction(
-            Section.getAddressWithOffset(Section.getStubOffset()), AbiVariant);
-
-        // Creating Hi and Lo relocations for the filled stub instructions.
-        RelocationEntry REHi(SectionID, StubTargetAddr - Section.getAddress(),
-                             ELF::R_MIPS_HI16, Value.Addend);
-        RelocationEntry RELo(SectionID,
-                             StubTargetAddr - Section.getAddress() + 4,
-                             ELF::R_MIPS_LO16, Value.Addend);
-
-        if (Value.SymbolName) {
-          addRelocationForSymbol(REHi, Value.SymbolName);
-          addRelocationForSymbol(RELo, Value.SymbolName);
-        } else {
-          addRelocationForSection(REHi, Value.SectionID);
-          addRelocationForSection(RELo, Value.SectionID);
-        }
-
-        RelocationEntry RE(SectionID, Offset, RelType, Section.getStubOffset());
-        addRelocationForSection(RE, SectionID);
-        Section.advanceStubOffset(getMaxStubSize());
-      }
-    } else if (RelType == ELF::R_MIPS_HI16 || RelType == ELF::R_MIPS_PCHI16) {
-      int64_t Addend = (Opcode & 0x0000ffff) << 16;
-      RelocationEntry RE(SectionID, Offset, RelType, Addend);
-      PendingRelocs.push_back(std::make_pair(Value, RE));
-    } else if (RelType == ELF::R_MIPS_LO16 || RelType == ELF::R_MIPS_PCLO16) {
-      int64_t Addend = Value.Addend + SignExtend32<16>(Opcode & 0x0000ffff);
-      for (auto I = PendingRelocs.begin(); I != PendingRelocs.end();) {
-        const RelocationValueRef &MatchingValue = I->first;
-        RelocationEntry &Reloc = I->second;
-        if (MatchingValue == Value &&
-            RelType == getMatchingLoRelocation(Reloc.RelType) &&
-            SectionID == Reloc.SectionID) {
-          Reloc.Addend += Addend;
-          if (Value.SymbolName)
-            addRelocationForSymbol(Reloc, Value.SymbolName);
-          else
-            addRelocationForSection(Reloc, Value.SectionID);
-          I = PendingRelocs.erase(I);
-        } else
-          ++I;
-      }
-      RelocationEntry RE(SectionID, Offset, RelType, Addend);
-      if (Value.SymbolName)
-        addRelocationForSymbol(RE, Value.SymbolName);
-      else
-        addRelocationForSection(RE, Value.SectionID);
-    } else {
-      if (RelType == ELF::R_MIPS_32)
-        Value.Addend += Opcode;
-      else if (RelType == ELF::R_MIPS_PC16)
-        Value.Addend += SignExtend32<18>((Opcode & 0x0000ffff) << 2);
-      else if (RelType == ELF::R_MIPS_PC19_S2)
-        Value.Addend += SignExtend32<21>((Opcode & 0x0007ffff) << 2);
-      else if (RelType == ELF::R_MIPS_PC21_S2)
-        Value.Addend += SignExtend32<23>((Opcode & 0x001fffff) << 2);
-      else if (RelType == ELF::R_MIPS_PC26_S2)
-        Value.Addend += SignExtend32<28>((Opcode & 0x03ffffff) << 2);
-      processSimpleRelocation(SectionID, Offset, RelType, Value);
-    }
-  } else if (IsMipsN32ABI || IsMipsN64ABI) {
-    uint32_t r_type = RelType & 0xff;
-    RelocationEntry RE(SectionID, Offset, RelType, Value.Addend);
-    if (r_type == ELF::R_MIPS_CALL16 || r_type == ELF::R_MIPS_GOT_PAGE
-        || r_type == ELF::R_MIPS_GOT_DISP) {
-      StringMap<uint64_t>::iterator i = GOTSymbolOffsets.find(TargetName);
-      if (i != GOTSymbolOffsets.end())
-        RE.SymOffset = i->second;
-      else {
-        RE.SymOffset = allocateGOTEntries(1);
-        GOTSymbolOffsets[TargetName] = RE.SymOffset;
-      }
-      if (Value.SymbolName)
-        addRelocationForSymbol(RE, Value.SymbolName);
-      else
-        addRelocationForSection(RE, Value.SectionID);
-    } else if (RelType == ELF::R_MIPS_26) {
-      // This is an Mips branch relocation, need to use a stub function.
-      LLVM_DEBUG(dbgs() << "\t\tThis is a Mips branch relocation.");
-      SectionEntry &Section = Sections[SectionID];
-
-      //  Look up for existing stub.
-      StubMap::const_iterator i = Stubs.find(Value);
-      if (i != Stubs.end()) {
-        RelocationEntry RE(SectionID, Offset, RelType, i->second);
-        addRelocationForSection(RE, SectionID);
-        LLVM_DEBUG(dbgs() << " Stub function found\n");
-      } else {
-        // Create a new stub function.
-        LLVM_DEBUG(dbgs() << " Create a new stub function\n");
-        Stubs[Value] = Section.getStubOffset();
-
-        unsigned AbiVariant = Obj.getPlatformFlags();
-
-        uint8_t *StubTargetAddr = createStubFunction(
-            Section.getAddressWithOffset(Section.getStubOffset()), AbiVariant);
-
-        if (IsMipsN32ABI) {
-          // Creating Hi and Lo relocations for the filled stub instructions.
-          RelocationEntry REHi(SectionID, StubTargetAddr - Section.getAddress(),
-                               ELF::R_MIPS_HI16, Value.Addend);
-          RelocationEntry RELo(SectionID,
-                               StubTargetAddr - Section.getAddress() + 4,
-                               ELF::R_MIPS_LO16, Value.Addend);
-          if (Value.SymbolName) {
-            addRelocationForSymbol(REHi, Value.SymbolName);
-            addRelocationForSymbol(RELo, Value.SymbolName);
-          } else {
-            addRelocationForSection(REHi, Value.SectionID);
-            addRelocationForSection(RELo, Value.SectionID);
-          }
-        } else {
-          // Creating Highest, Higher, Hi and Lo relocations for the filled stub
-          // instructions.
-          RelocationEntry REHighest(SectionID,
-                                    StubTargetAddr - Section.getAddress(),
-                                    ELF::R_MIPS_HIGHEST, Value.Addend);
-          RelocationEntry REHigher(SectionID,
-                                   StubTargetAddr - Section.getAddress() + 4,
-                                   ELF::R_MIPS_HIGHER, Value.Addend);
-          RelocationEntry REHi(SectionID,
-                               StubTargetAddr - Section.getAddress() + 12,
-                               ELF::R_MIPS_HI16, Value.Addend);
-          RelocationEntry RELo(SectionID,
-                               StubTargetAddr - Section.getAddress() + 20,
-                               ELF::R_MIPS_LO16, Value.Addend);
-          if (Value.SymbolName) {
-            addRelocationForSymbol(REHighest, Value.SymbolName);
-            addRelocationForSymbol(REHigher, Value.SymbolName);
-            addRelocationForSymbol(REHi, Value.SymbolName);
-            addRelocationForSymbol(RELo, Value.SymbolName);
-          } else {
-            addRelocationForSection(REHighest, Value.SectionID);
-            addRelocationForSection(REHigher, Value.SectionID);
-            addRelocationForSection(REHi, Value.SectionID);
-            addRelocationForSection(RELo, Value.SectionID);
-          }
-        }
-        RelocationEntry RE(SectionID, Offset, RelType, Section.getStubOffset());
-        addRelocationForSection(RE, SectionID);
-        Section.advanceStubOffset(getMaxStubSize());
-      }
-    } else {
-      processSimpleRelocation(SectionID, Offset, RelType, Value);
-    }
-
-  } else if (Arch == Triple::ppc64 || Arch == Triple::ppc64le) {
-    if (RelType == ELF::R_PPC64_REL24) {
-      // Determine ABI variant in use for this object.
-      unsigned AbiVariant = Obj.getPlatformFlags();
-      AbiVariant &= ELF::EF_PPC64_ABI;
-      // A PPC branch relocation will need a stub function if the target is
-      // an external symbol (either Value.SymbolName is set, or SymType is
-      // Symbol::ST_Unknown) or if the target address is not within the
-      // signed 24-bits branch address.
-      SectionEntry &Section = Sections[SectionID];
-      uint8_t *Target = Section.getAddressWithOffset(Offset);
-      bool RangeOverflow = false;
-      bool IsExtern = Value.SymbolName || SymType == SymbolRef::ST_Unknown;
-      if (!IsExtern) {
-        if (AbiVariant != 2) {
-          // In the ELFv1 ABI, a function call may point to the .opd entry,
-          // so the final symbol value is calculated based on the relocation
-          // values in the .opd section.
-          if (auto Err = findOPDEntrySection(Obj, ObjSectionToID, Value))
-            return std::move(Err);
-        } else {
-          // In the ELFv2 ABI, a function symbol may provide a local entry
-          // point, which must be used for direct calls.
-          if (Value.SectionID == SectionID){
-            uint8_t SymOther = Symbol->getOther();
-            Value.Addend += ELF::decodePPC64LocalEntryOffset(SymOther);
-          }
-        }
-        uint8_t *RelocTarget =
-            Sections[Value.SectionID].getAddressWithOffset(Value.Addend);
-        int64_t delta = static_cast<int64_t>(Target - RelocTarget);
-        // If it is within 26-bits branch range, just set the branch target
-        if (SignExtend64<26>(delta) != delta) {
-          RangeOverflow = true;
-        } else if ((AbiVariant != 2) ||
-                   (AbiVariant == 2  && Value.SectionID == SectionID)) {
-          RelocationEntry RE(SectionID, Offset, RelType, Value.Addend);
-          addRelocationForSection(RE, Value.SectionID);
-        }
-      }
-      if (IsExtern || (AbiVariant == 2 && Value.SectionID != SectionID) ||
-          RangeOverflow) {
-        // It is an external symbol (either Value.SymbolName is set, or
-        // SymType is SymbolRef::ST_Unknown) or out of range.
-        StubMap::const_iterator i = Stubs.find(Value);
-        if (i != Stubs.end()) {
-          // Symbol function stub already created, just relocate to it
-          resolveRelocation(Section, Offset,
-                            reinterpret_cast<uint64_t>(
-                                Section.getAddressWithOffset(i->second)),
-                            RelType, 0);
-          LLVM_DEBUG(dbgs() << " Stub function found\n");
-        } else {
-          // Create a new stub function.
-          LLVM_DEBUG(dbgs() << " Create a new stub function\n");
-          Stubs[Value] = Section.getStubOffset();
-          uint8_t *StubTargetAddr = createStubFunction(
-              Section.getAddressWithOffset(Section.getStubOffset()),
-              AbiVariant);
-          RelocationEntry RE(SectionID, StubTargetAddr - Section.getAddress(),
-                             ELF::R_PPC64_ADDR64, Value.Addend);
-
-          // Generates the 64-bits address loads as exemplified in section
-          // 4.5.1 in PPC64 ELF ABI.  Note that the relocations need to
-          // apply to the low part of the instructions, so we have to update
-          // the offset according to the target endianness.
-          uint64_t StubRelocOffset = StubTargetAddr - Section.getAddress();
-          if (!IsTargetLittleEndian)
-            StubRelocOffset += 2;
-
-          RelocationEntry REhst(SectionID, StubRelocOffset + 0,
-                                ELF::R_PPC64_ADDR16_HIGHEST, Value.Addend);
-          RelocationEntry REhr(SectionID, StubRelocOffset + 4,
-                               ELF::R_PPC64_ADDR16_HIGHER, Value.Addend);
-          RelocationEntry REh(SectionID, StubRelocOffset + 12,
-                              ELF::R_PPC64_ADDR16_HI, Value.Addend);
-          RelocationEntry REl(SectionID, StubRelocOffset + 16,
-                              ELF::R_PPC64_ADDR16_LO, Value.Addend);
-
-          if (Value.SymbolName) {
-            addRelocationForSymbol(REhst, Value.SymbolName);
-            addRelocationForSymbol(REhr, Value.SymbolName);
-            addRelocationForSymbol(REh, Value.SymbolName);
-            addRelocationForSymbol(REl, Value.SymbolName);
-          } else {
-            addRelocationForSection(REhst, Value.SectionID);
-            addRelocationForSection(REhr, Value.SectionID);
-            addRelocationForSection(REh, Value.SectionID);
-            addRelocationForSection(REl, Value.SectionID);
-          }
-
-          resolveRelocation(Section, Offset, reinterpret_cast<uint64_t>(
-                                                 Section.getAddressWithOffset(
-                                                     Section.getStubOffset())),
-                            RelType, 0);
-          Section.advanceStubOffset(getMaxStubSize());
-        }
-        if (IsExtern || (AbiVariant == 2 && Value.SectionID != SectionID)) {
-          // Restore the TOC for external calls
-          if (AbiVariant == 2)
-            writeInt32BE(Target + 4, 0xE8410018); // ld r2,24(r1)
-          else
-            writeInt32BE(Target + 4, 0xE8410028); // ld r2,40(r1)
-        }
-      }
-    } else if (RelType == ELF::R_PPC64_TOC16 ||
-               RelType == ELF::R_PPC64_TOC16_DS ||
-               RelType == ELF::R_PPC64_TOC16_LO ||
-               RelType == ELF::R_PPC64_TOC16_LO_DS ||
-               RelType == ELF::R_PPC64_TOC16_HI ||
-               RelType == ELF::R_PPC64_TOC16_HA) {
-      // These relocations are supposed to subtract the TOC address from
-      // the final value.  This does not fit cleanly into the RuntimeDyld
-      // scheme, since there may be *two* sections involved in determining
-      // the relocation value (the section of the symbol referred to by the
-      // relocation, and the TOC section associated with the current module).
-      //
-      // Fortunately, these relocations are currently only ever generated
-      // referring to symbols that themselves reside in the TOC, which means
-      // that the two sections are actually the same.  Thus they cancel out
-      // and we can immediately resolve the relocation right now.
-      switch (RelType) {
-      case ELF::R_PPC64_TOC16: RelType = ELF::R_PPC64_ADDR16; break;
-      case ELF::R_PPC64_TOC16_DS: RelType = ELF::R_PPC64_ADDR16_DS; break;
-      case ELF::R_PPC64_TOC16_LO: RelType = ELF::R_PPC64_ADDR16_LO; break;
-      case ELF::R_PPC64_TOC16_LO_DS: RelType = ELF::R_PPC64_ADDR16_LO_DS; break;
-      case ELF::R_PPC64_TOC16_HI: RelType = ELF::R_PPC64_ADDR16_HI; break;
-      case ELF::R_PPC64_TOC16_HA: RelType = ELF::R_PPC64_ADDR16_HA; break;
-      default: llvm_unreachable("Wrong relocation type.");
-      }
-
-      RelocationValueRef TOCValue;
-      if (auto Err = findPPC64TOCSection(Obj, ObjSectionToID, TOCValue))
-        return std::move(Err);
-      if (Value.SymbolName || Value.SectionID != TOCValue.SectionID)
-        llvm_unreachable("Unsupported TOC relocation.");
-      Value.Addend -= TOCValue.Addend;
-      resolveRelocation(Sections[SectionID], Offset, Value.Addend, RelType, 0);
-    } else {
-      // There are two ways to refer to the TOC address directly: either
-      // via a ELF::R_PPC64_TOC relocation (where both symbol and addend are
-      // ignored), or via any relocation that refers to the magic ".TOC."
-      // symbols (in which case the addend is respected).
-      if (RelType == ELF::R_PPC64_TOC) {
-        RelType = ELF::R_PPC64_ADDR64;
-        if (auto Err = findPPC64TOCSection(Obj, ObjSectionToID, Value))
-          return std::move(Err);
-      } else if (TargetName == ".TOC.") {
-        if (auto Err = findPPC64TOCSection(Obj, ObjSectionToID, Value))
-          return std::move(Err);
-        Value.Addend += Addend;
-      }
-
-      RelocationEntry RE(SectionID, Offset, RelType, Value.Addend);
-
-      if (Value.SymbolName)
-        addRelocationForSymbol(RE, Value.SymbolName);
-      else
-        addRelocationForSection(RE, Value.SectionID);
-    }
-  } else if (Arch == Triple::systemz &&
-             (RelType == ELF::R_390_PLT32DBL || RelType == ELF::R_390_GOTENT)) {
-    // Create function stubs for both PLT and GOT references, regardless of
-    // whether the GOT reference is to data or code.  The stub contains the
-    // full address of the symbol, as needed by GOT references, and the
-    // executable part only adds an overhead of 8 bytes.
-    //
-    // We could try to conserve space by allocating the code and data
-    // parts of the stub separately.  However, as things stand, we allocate
-    // a stub for every relocation, so using a GOT in JIT code should be
-    // no less space efficient than using an explicit constant pool.
-    LLVM_DEBUG(dbgs() << "\t\tThis is a SystemZ indirect relocation.");
-    SectionEntry &Section = Sections[SectionID];
-
-    // Look for an existing stub.
-    StubMap::const_iterator i = Stubs.find(Value);
-    uintptr_t StubAddress;
-    if (i != Stubs.end()) {
-      StubAddress = uintptr_t(Section.getAddressWithOffset(i->second));
-      LLVM_DEBUG(dbgs() << " Stub function found\n");
-    } else {
-      // Create a new stub function.
-      LLVM_DEBUG(dbgs() << " Create a new stub function\n");
-
-      uintptr_t BaseAddress = uintptr_t(Section.getAddress());
-      uintptr_t StubAlignment = getStubAlignment();
-      StubAddress =
-          (BaseAddress + Section.getStubOffset() + StubAlignment - 1) &
-          -StubAlignment;
-      unsigned StubOffset = StubAddress - BaseAddress;
-
-      Stubs[Value] = StubOffset;
-      createStubFunction((uint8_t *)StubAddress);
-      RelocationEntry RE(SectionID, StubOffset + 8, ELF::R_390_64,
-                         Value.Offset);
-      if (Value.SymbolName)
-        addRelocationForSymbol(RE, Value.SymbolName);
-      else
-        addRelocationForSection(RE, Value.SectionID);
-      Section.advanceStubOffset(getMaxStubSize());
-    }
-
-    if (RelType == ELF::R_390_GOTENT)
-      resolveRelocation(Section, Offset, StubAddress + 8, ELF::R_390_PC32DBL,
-                        Addend);
-    else
-      resolveRelocation(Section, Offset, StubAddress, RelType, Addend);
-  } else if (Arch == Triple::x86_64) {
-    if (RelType == ELF::R_X86_64_PLT32) {
-      // The way the PLT relocations normally work is that the linker allocates
-      // the
-      // PLT and this relocation makes a PC-relative call into the PLT.  The PLT
-      // entry will then jump to an address provided by the GOT.  On first call,
-      // the
-      // GOT address will point back into PLT code that resolves the symbol. After
-      // the first call, the GOT entry points to the actual function.
-      //
-      // For local functions we're ignoring all of that here and just replacing
-      // the PLT32 relocation type with PC32, which will translate the relocation
-      // into a PC-relative call directly to the function. For external symbols we
-      // can't be sure the function will be within 2^32 bytes of the call site, so
-      // we need to create a stub, which calls into the GOT.  This case is
-      // equivalent to the usual PLT implementation except that we use the stub
-      // mechanism in RuntimeDyld (which puts stubs at the end of the section)
-      // rather than allocating a PLT section.
-      if (Value.SymbolName) {
-        // This is a call to an external function.
-        // Look for an existing stub.
-        SectionEntry &Section = Sections[SectionID];
-        StubMap::const_iterator i = Stubs.find(Value);
-        uintptr_t StubAddress;
-        if (i != Stubs.end()) {
-          StubAddress = uintptr_t(Section.getAddress()) + i->second;
-          LLVM_DEBUG(dbgs() << " Stub function found\n");
-        } else {
-          // Create a new stub function (equivalent to a PLT entry).
-          LLVM_DEBUG(dbgs() << " Create a new stub function\n");
-
-          uintptr_t BaseAddress = uintptr_t(Section.getAddress());
-          uintptr_t StubAlignment = getStubAlignment();
-          StubAddress =
-              (BaseAddress + Section.getStubOffset() + StubAlignment - 1) &
-              -StubAlignment;
-          unsigned StubOffset = StubAddress - BaseAddress;
-          Stubs[Value] = StubOffset;
-          createStubFunction((uint8_t *)StubAddress);
-
-          // Bump our stub offset counter
-          Section.advanceStubOffset(getMaxStubSize());
-
-          // Allocate a GOT Entry
-          uint64_t GOTOffset = allocateGOTEntries(1);
-
-          // The load of the GOT address has an addend of -4
-          resolveGOTOffsetRelocation(SectionID, StubOffset + 2, GOTOffset - 4,
-                                     ELF::R_X86_64_PC32);
-
-          // Fill in the value of the symbol we're targeting into the GOT
-          addRelocationForSymbol(
-              computeGOTOffsetRE(GOTOffset, 0, ELF::R_X86_64_64),
-              Value.SymbolName);
-        }
-
-        // Make the target call a call into the stub table.
-        resolveRelocation(Section, Offset, StubAddress, ELF::R_X86_64_PC32,
-                          Addend);
-      } else {
-        RelocationEntry RE(SectionID, Offset, ELF::R_X86_64_PC32, Value.Addend,
-                  Value.Offset);
-        addRelocationForSection(RE, Value.SectionID);
-      }
-    } else if (RelType == ELF::R_X86_64_GOTPCREL ||
-               RelType == ELF::R_X86_64_GOTPCRELX ||
-               RelType == ELF::R_X86_64_REX_GOTPCRELX) {
-      uint64_t GOTOffset = allocateGOTEntries(1);
-      resolveGOTOffsetRelocation(SectionID, Offset, GOTOffset + Addend,
-                                 ELF::R_X86_64_PC32);
-
-      // Fill in the value of the symbol we're targeting into the GOT
-      RelocationEntry RE =
-          computeGOTOffsetRE(GOTOffset, Value.Offset, ELF::R_X86_64_64);
-      if (Value.SymbolName)
-        addRelocationForSymbol(RE, Value.SymbolName);
-      else
-        addRelocationForSection(RE, Value.SectionID);
-    } else if (RelType == ELF::R_X86_64_GOT64) {
-      // Fill in a 64-bit GOT offset.
-      uint64_t GOTOffset = allocateGOTEntries(1);
-      resolveRelocation(Sections[SectionID], Offset, GOTOffset,
-                        ELF::R_X86_64_64, 0);
-
-      // Fill in the value of the symbol we're targeting into the GOT
-      RelocationEntry RE =
-          computeGOTOffsetRE(GOTOffset, Value.Offset, ELF::R_X86_64_64);
-      if (Value.SymbolName)
-        addRelocationForSymbol(RE, Value.SymbolName);
-      else
-        addRelocationForSection(RE, Value.SectionID);
-    } else if (RelType == ELF::R_X86_64_GOTPC64) {
-      // Materialize the address of the base of the GOT relative to the PC.
-      // This doesn't create a GOT entry, but it does mean we need a GOT
-      // section.
-      (void)allocateGOTEntries(0);
-      resolveGOTOffsetRelocation(SectionID, Offset, Addend, ELF::R_X86_64_PC64);
-    } else if (RelType == ELF::R_X86_64_GOTOFF64) {
-      // GOTOFF relocations ultimately require a section difference relocation.
-      (void)allocateGOTEntries(0);
-      processSimpleRelocation(SectionID, Offset, RelType, Value);
-    } else if (RelType == ELF::R_X86_64_PC32) {
-      Value.Addend += support::ulittle32_t::ref(computePlaceholderAddress(SectionID, Offset));
-      processSimpleRelocation(SectionID, Offset, RelType, Value);
-    } else if (RelType == ELF::R_X86_64_PC64) {
-      Value.Addend += support::ulittle64_t::ref(computePlaceholderAddress(SectionID, Offset));
-      processSimpleRelocation(SectionID, Offset, RelType, Value);
-    } else {
-      processSimpleRelocation(SectionID, Offset, RelType, Value);
-    }
-  } else {
-    if (Arch == Triple::x86) {
-      Value.Addend += support::ulittle32_t::ref(computePlaceholderAddress(SectionID, Offset));
-    }
-    processSimpleRelocation(SectionID, Offset, RelType, Value);
-  }
-  return ++RelI;
-}
-
-size_t RuntimeDyldELF::getGOTEntrySize() {
-  // We don't use the GOT in all of these cases, but it's essentially free
-  // to put them all here.
-  size_t Result = 0;
-  switch (Arch) {
-  case Triple::x86_64:
-  case Triple::aarch64:
-  case Triple::aarch64_be:
-  case Triple::ppc64:
-  case Triple::ppc64le:
-  case Triple::systemz:
-    Result = sizeof(uint64_t);
-    break;
-  case Triple::x86:
-  case Triple::arm:
-  case Triple::thumb:
-    Result = sizeof(uint32_t);
-    break;
-  case Triple::mips:
-  case Triple::mipsel:
-  case Triple::mips64:
-  case Triple::mips64el:
-    if (IsMipsO32ABI || IsMipsN32ABI)
-      Result = sizeof(uint32_t);
-    else if (IsMipsN64ABI)
-      Result = sizeof(uint64_t);
-    else
-      llvm_unreachable("Mips ABI not handled");
-    break;
-  default:
-    llvm_unreachable("Unsupported CPU type!");
-  }
-  return Result;
-}
-
-uint64_t RuntimeDyldELF::allocateGOTEntries(unsigned no) {
-  if (GOTSectionID == 0) {
-    GOTSectionID = Sections.size();
-    // Reserve a section id. We'll allocate the section later
-    // once we know the total size
-    Sections.push_back(SectionEntry(".got", nullptr, 0, 0, 0));
-  }
-  uint64_t StartOffset = CurrentGOTIndex * getGOTEntrySize();
-  CurrentGOTIndex += no;
-  return StartOffset;
-}
-
-uint64_t RuntimeDyldELF::findOrAllocGOTEntry(const RelocationValueRef &Value,
-                                             unsigned GOTRelType) {
-  auto E = GOTOffsetMap.insert({Value, 0});
-  if (E.second) {
-    uint64_t GOTOffset = allocateGOTEntries(1);
-
-    // Create relocation for newly created GOT entry
-    RelocationEntry RE =
-        computeGOTOffsetRE(GOTOffset, Value.Offset, GOTRelType);
-    if (Value.SymbolName)
-      addRelocationForSymbol(RE, Value.SymbolName);
-    else
-      addRelocationForSection(RE, Value.SectionID);
-
-    E.first->second = GOTOffset;
-  }
-
-  return E.first->second;
-}
-
-void RuntimeDyldELF::resolveGOTOffsetRelocation(unsigned SectionID,
-                                                uint64_t Offset,
-                                                uint64_t GOTOffset,
-                                                uint32_t Type) {
-  // Fill in the relative address of the GOT Entry into the stub
-  RelocationEntry GOTRE(SectionID, Offset, Type, GOTOffset);
-  addRelocationForSection(GOTRE, GOTSectionID);
-}
-
-RelocationEntry RuntimeDyldELF::computeGOTOffsetRE(uint64_t GOTOffset,
-                                                   uint64_t SymbolOffset,
-                                                   uint32_t Type) {
-  return RelocationEntry(GOTSectionID, GOTOffset, Type, SymbolOffset);
-}
-
-Error RuntimeDyldELF::finalizeLoad(const ObjectFile &Obj,
-                                  ObjSectionToIDMap &SectionMap) {
-  if (IsMipsO32ABI)
-    if (!PendingRelocs.empty())
-      return make_error<RuntimeDyldError>("Can't find matching LO16 reloc");
-
-  // If necessary, allocate the global offset table
-  if (GOTSectionID != 0) {
-    // Allocate memory for the section
-    size_t TotalSize = CurrentGOTIndex * getGOTEntrySize();
-    uint8_t *Addr = MemMgr.allocateDataSection(TotalSize, getGOTEntrySize(),
-                                                GOTSectionID, ".got", false);
-    if (!Addr)
-      return make_error<RuntimeDyldError>("Unable to allocate memory for GOT!");
-
-    Sections[GOTSectionID] =
-        SectionEntry(".got", Addr, TotalSize, TotalSize, 0);
-
-    if (Checker)
-      Checker->registerSection(Obj.getFileName(), GOTSectionID);
-
-    // For now, initialize all GOT entries to zero.  We'll fill them in as
-    // needed when GOT-based relocations are applied.
-    memset(Addr, 0, TotalSize);
-    if (IsMipsN32ABI || IsMipsN64ABI) {
-      // To correctly resolve Mips GOT relocations, we need a mapping from
-      // object's sections to GOTs.
-      for (section_iterator SI = Obj.section_begin(), SE = Obj.section_end();
-           SI != SE; ++SI) {
-        if (SI->relocation_begin() != SI->relocation_end()) {
-          section_iterator RelocatedSection = SI->getRelocatedSection();
-          ObjSectionToIDMap::iterator i = SectionMap.find(*RelocatedSection);
-          assert (i != SectionMap.end());
-          SectionToGOTMap[i->second] = GOTSectionID;
-        }
-      }
-      GOTSymbolOffsets.clear();
-    }
-  }
-
-  // Look for and record the EH frame section.
-  ObjSectionToIDMap::iterator i, e;
-  for (i = SectionMap.begin(), e = SectionMap.end(); i != e; ++i) {
-    const SectionRef &Section = i->first;
-    StringRef Name;
-    Section.getName(Name);
-    if (Name == ".eh_frame") {
-      UnregisteredEHFrameSections.push_back(i->second);
-      break;
-    }
-  }
-
-  GOTSectionID = 0;
-  CurrentGOTIndex = 0;
-
-  return Error::success();
-}
-
-bool RuntimeDyldELF::isCompatibleFile(const object::ObjectFile &Obj) const {
-  return Obj.isELF();
-}
-
-bool RuntimeDyldELF::relocationNeedsGot(const RelocationRef &R) const {
-  unsigned RelTy = R.getType();
-  if (Arch == Triple::aarch64 || Arch == Triple::aarch64_be)
-    return RelTy == ELF::R_AARCH64_ADR_GOT_PAGE ||
-           RelTy == ELF::R_AARCH64_LD64_GOT_LO12_NC;
-
-  if (Arch == Triple::x86_64)
-    return RelTy == ELF::R_X86_64_GOTPCREL ||
-           RelTy == ELF::R_X86_64_GOTPCRELX ||
-           RelTy == ELF::R_X86_64_GOT64 ||
-           RelTy == ELF::R_X86_64_REX_GOTPCRELX;
-  return false;
-}
-
-bool RuntimeDyldELF::relocationNeedsStub(const RelocationRef &R) const {
-  if (Arch != Triple::x86_64)
-    return true;  // Conservative answer
-
-  switch (R.getType()) {
-  default:
-    return true;  // Conservative answer
-
-
-  case ELF::R_X86_64_GOTPCREL:
-  case ELF::R_X86_64_GOTPCRELX:
-  case ELF::R_X86_64_REX_GOTPCRELX:
-  case ELF::R_X86_64_GOTPC64:
-  case ELF::R_X86_64_GOT64:
-  case ELF::R_X86_64_GOTOFF64:
-  case ELF::R_X86_64_PC32:
-  case ELF::R_X86_64_PC64:
-  case ELF::R_X86_64_64:
-    // We know that these reloation types won't need a stub function.  This list
-    // can be extended as needed.
-    return false;
-  }
-}
-
-} // namespace llvm