Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 396 deletions

diff --git a/gnu/llvm/lib/Object/ELFObjectFile.cpp b/gnu/llvm/lib/Object/ELFObjectFile.cpp
deleted file mode 100644
index 9fb3a55ac7b..00000000000
--- a/gnu/llvm/lib/Object/ELFObjectFile.cpp
+++ /dev/null
@@ -1,396 +0,0 @@
-//===- ELFObjectFile.cpp - ELF object file implementation -----------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Part of the ELFObjectFile class implementation.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Object/ELFObjectFile.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/BinaryFormat/ELF.h"
-#include "llvm/MC/MCInstrAnalysis.h"
-#include "llvm/MC/SubtargetFeature.h"
-#include "llvm/Object/ELF.h"
-#include "llvm/Object/ELFTypes.h"
-#include "llvm/Object/Error.h"
-#include "llvm/Support/ARMAttributeParser.h"
-#include "llvm/Support/ARMBuildAttributes.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/TargetRegistry.h"
-#include <algorithm>
-#include <cstddef>
-#include <cstdint>
-#include <memory>
-#include <string>
-#include <system_error>
-#include <utility>
-
-using namespace llvm;
-using namespace object;
-
-ELFObjectFileBase::ELFObjectFileBase(unsigned int Type, MemoryBufferRef Source)
-    : ObjectFile(Type, Source) {}
-
-template <class ELFT>
-static Expected<std::unique_ptr<ELFObjectFile<ELFT>>>
-createPtr(MemoryBufferRef Object) {
-  auto Ret = ELFObjectFile<ELFT>::create(Object);
-  if (Error E = Ret.takeError())
-    return std::move(E);
-  return make_unique<ELFObjectFile<ELFT>>(std::move(*Ret));
-}
-
-Expected<std::unique_ptr<ObjectFile>>
-ObjectFile::createELFObjectFile(MemoryBufferRef Obj) {
-  std::pair<unsigned char, unsigned char> Ident =
-      getElfArchType(Obj.getBuffer());
-  std::size_t MaxAlignment =
-      1ULL << countTrailingZeros(uintptr_t(Obj.getBufferStart()));
-
-  if (MaxAlignment < 2)
-    return createError("Insufficient alignment");
-
-  if (Ident.first == ELF::ELFCLASS32) {
-    if (Ident.second == ELF::ELFDATA2LSB)
-      return createPtr<ELF32LE>(Obj);
-    else if (Ident.second == ELF::ELFDATA2MSB)
-      return createPtr<ELF32BE>(Obj);
-    else
-      return createError("Invalid ELF data");
-  } else if (Ident.first == ELF::ELFCLASS64) {
-    if (Ident.second == ELF::ELFDATA2LSB)
-      return createPtr<ELF64LE>(Obj);
-    else if (Ident.second == ELF::ELFDATA2MSB)
-      return createPtr<ELF64BE>(Obj);
-    else
-      return createError("Invalid ELF data");
-  }
-  return createError("Invalid ELF class");
-}
-
-SubtargetFeatures ELFObjectFileBase::getMIPSFeatures() const {
-  SubtargetFeatures Features;
-  unsigned PlatformFlags = getPlatformFlags();
-
-  switch (PlatformFlags & ELF::EF_MIPS_ARCH) {
-  case ELF::EF_MIPS_ARCH_1:
-    break;
-  case ELF::EF_MIPS_ARCH_2:
-    Features.AddFeature("mips2");
-    break;
-  case ELF::EF_MIPS_ARCH_3:
-    Features.AddFeature("mips3");
-    break;
-  case ELF::EF_MIPS_ARCH_4:
-    Features.AddFeature("mips4");
-    break;
-  case ELF::EF_MIPS_ARCH_5:
-    Features.AddFeature("mips5");
-    break;
-  case ELF::EF_MIPS_ARCH_32:
-    Features.AddFeature("mips32");
-    break;
-  case ELF::EF_MIPS_ARCH_64:
-    Features.AddFeature("mips64");
-    break;
-  case ELF::EF_MIPS_ARCH_32R2:
-    Features.AddFeature("mips32r2");
-    break;
-  case ELF::EF_MIPS_ARCH_64R2:
-    Features.AddFeature("mips64r2");
-    break;
-  case ELF::EF_MIPS_ARCH_32R6:
-    Features.AddFeature("mips32r6");
-    break;
-  case ELF::EF_MIPS_ARCH_64R6:
-    Features.AddFeature("mips64r6");
-    break;
-  default:
-    llvm_unreachable("Unknown EF_MIPS_ARCH value");
-  }
-
-  switch (PlatformFlags & ELF::EF_MIPS_MACH) {
-  case ELF::EF_MIPS_MACH_NONE:
-    // No feature associated with this value.
-    break;
-  case ELF::EF_MIPS_MACH_OCTEON:
-    Features.AddFeature("cnmips");
-    break;
-  default:
-    llvm_unreachable("Unknown EF_MIPS_ARCH value");
-  }
-
-  if (PlatformFlags & ELF::EF_MIPS_ARCH_ASE_M16)
-    Features.AddFeature("mips16");
-  if (PlatformFlags & ELF::EF_MIPS_MICROMIPS)
-    Features.AddFeature("micromips");
-
-  return Features;
-}
-
-SubtargetFeatures ELFObjectFileBase::getARMFeatures() const {
-  SubtargetFeatures Features;
-  ARMAttributeParser Attributes;
-  std::error_code EC = getBuildAttributes(Attributes);
-  if (EC)
-    return SubtargetFeatures();
-
-  // both ARMv7-M and R have to support thumb hardware div
-  bool isV7 = false;
-  if (Attributes.hasAttribute(ARMBuildAttrs::CPU_arch))
-    isV7 = Attributes.getAttributeValue(ARMBuildAttrs::CPU_arch)
-      == ARMBuildAttrs::v7;
-
-  if (Attributes.hasAttribute(ARMBuildAttrs::CPU_arch_profile)) {
-    switch(Attributes.getAttributeValue(ARMBuildAttrs::CPU_arch_profile)) {
-    case ARMBuildAttrs::ApplicationProfile:
-      Features.AddFeature("aclass");
-      break;
-    case ARMBuildAttrs::RealTimeProfile:
-      Features.AddFeature("rclass");
-      if (isV7)
-        Features.AddFeature("hwdiv");
-      break;
-    case ARMBuildAttrs::MicroControllerProfile:
-      Features.AddFeature("mclass");
-      if (isV7)
-        Features.AddFeature("hwdiv");
-      break;
-    }
-  }
-
-  if (Attributes.hasAttribute(ARMBuildAttrs::THUMB_ISA_use)) {
-    switch(Attributes.getAttributeValue(ARMBuildAttrs::THUMB_ISA_use)) {
-    default:
-      break;
-    case ARMBuildAttrs::Not_Allowed:
-      Features.AddFeature("thumb", false);
-      Features.AddFeature("thumb2", false);
-      break;
-    case ARMBuildAttrs::AllowThumb32:
-      Features.AddFeature("thumb2");
-      break;
-    }
-  }
-
-  if (Attributes.hasAttribute(ARMBuildAttrs::FP_arch)) {
-    switch(Attributes.getAttributeValue(ARMBuildAttrs::FP_arch)) {
-    default:
-      break;
-    case ARMBuildAttrs::Not_Allowed:
-      Features.AddFeature("vfp2", false);
-      Features.AddFeature("vfp3", false);
-      Features.AddFeature("vfp4", false);
-      break;
-    case ARMBuildAttrs::AllowFPv2:
-      Features.AddFeature("vfp2");
-      break;
-    case ARMBuildAttrs::AllowFPv3A:
-    case ARMBuildAttrs::AllowFPv3B:
-      Features.AddFeature("vfp3");
-      break;
-    case ARMBuildAttrs::AllowFPv4A:
-    case ARMBuildAttrs::AllowFPv4B:
-      Features.AddFeature("vfp4");
-      break;
-    }
-  }
-
-  if (Attributes.hasAttribute(ARMBuildAttrs::Advanced_SIMD_arch)) {
-    switch(Attributes.getAttributeValue(ARMBuildAttrs::Advanced_SIMD_arch)) {
-    default:
-      break;
-    case ARMBuildAttrs::Not_Allowed:
-      Features.AddFeature("neon", false);
-      Features.AddFeature("fp16", false);
-      break;
-    case ARMBuildAttrs::AllowNeon:
-      Features.AddFeature("neon");
-      break;
-    case ARMBuildAttrs::AllowNeon2:
-      Features.AddFeature("neon");
-      Features.AddFeature("fp16");
-      break;
-    }
-  }
-
-  if (Attributes.hasAttribute(ARMBuildAttrs::DIV_use)) {
-    switch(Attributes.getAttributeValue(ARMBuildAttrs::DIV_use)) {
-    default:
-      break;
-    case ARMBuildAttrs::DisallowDIV:
-      Features.AddFeature("hwdiv", false);
-      Features.AddFeature("hwdiv-arm", false);
-      break;
-    case ARMBuildAttrs::AllowDIVExt:
-      Features.AddFeature("hwdiv");
-      Features.AddFeature("hwdiv-arm");
-      break;
-    }
-  }
-
-  return Features;
-}
-
-SubtargetFeatures ELFObjectFileBase::getRISCVFeatures() const {
-  SubtargetFeatures Features;
-  unsigned PlatformFlags = getPlatformFlags();
-
-  if (PlatformFlags & ELF::EF_RISCV_RVC) {
-    Features.AddFeature("c");
-  }
-
-  return Features;
-}
-
-SubtargetFeatures ELFObjectFileBase::getFeatures() const {
-  switch (getEMachine()) {
-  case ELF::EM_MIPS:
-    return getMIPSFeatures();
-  case ELF::EM_ARM:
-    return getARMFeatures();
-  case ELF::EM_RISCV:
-    return getRISCVFeatures();
-  default:
-    return SubtargetFeatures();
-  }
-}
-
-// FIXME Encode from a tablegen description or target parser.
-void ELFObjectFileBase::setARMSubArch(Triple &TheTriple) const {
-  if (TheTriple.getSubArch() != Triple::NoSubArch)
-    return;
-
-  ARMAttributeParser Attributes;
-  std::error_code EC = getBuildAttributes(Attributes);
-  if (EC)
-    return;
-
-  std::string Triple;
-  // Default to ARM, but use the triple if it's been set.
-  if (TheTriple.isThumb())
-    Triple = "thumb";
-  else
-    Triple = "arm";
-
-  if (Attributes.hasAttribute(ARMBuildAttrs::CPU_arch)) {
-    switch(Attributes.getAttributeValue(ARMBuildAttrs::CPU_arch)) {
-    case ARMBuildAttrs::v4:
-      Triple += "v4";
-      break;
-    case ARMBuildAttrs::v4T:
-      Triple += "v4t";
-      break;
-    case ARMBuildAttrs::v5T:
-      Triple += "v5t";
-      break;
-    case ARMBuildAttrs::v5TE:
-      Triple += "v5te";
-      break;
-    case ARMBuildAttrs::v5TEJ:
-      Triple += "v5tej";
-      break;
-    case ARMBuildAttrs::v6:
-      Triple += "v6";
-      break;
-    case ARMBuildAttrs::v6KZ:
-      Triple += "v6kz";
-      break;
-    case ARMBuildAttrs::v6T2:
-      Triple += "v6t2";
-      break;
-    case ARMBuildAttrs::v6K:
-      Triple += "v6k";
-      break;
-    case ARMBuildAttrs::v7:
-      Triple += "v7";
-      break;
-    case ARMBuildAttrs::v6_M:
-      Triple += "v6m";
-      break;
-    case ARMBuildAttrs::v6S_M:
-      Triple += "v6sm";
-      break;
-    case ARMBuildAttrs::v7E_M:
-      Triple += "v7em";
-      break;
-    }
-  }
-  if (!isLittleEndian())
-    Triple += "eb";
-
-  TheTriple.setArchName(Triple);
-}
-
-std::vector<std::pair<DataRefImpl, uint64_t>>
-ELFObjectFileBase::getPltAddresses() const {
-  std::string Err;
-  const auto Triple = makeTriple();
-  const auto *T = TargetRegistry::lookupTarget(Triple.str(), Err);
-  if (!T)
-    return {};
-  uint64_t JumpSlotReloc = 0;
-  switch (Triple.getArch()) {
-    case Triple::x86:
-      JumpSlotReloc = ELF::R_386_JUMP_SLOT;
-      break;
-    case Triple::x86_64:
-      JumpSlotReloc = ELF::R_X86_64_JUMP_SLOT;
-      break;
-    case Triple::aarch64:
-      JumpSlotReloc = ELF::R_AARCH64_JUMP_SLOT;
-      break;
-    default:
-      return {};
-  }
-  std::unique_ptr<const MCInstrInfo> MII(T->createMCInstrInfo());
-  std::unique_ptr<const MCInstrAnalysis> MIA(
-      T->createMCInstrAnalysis(MII.get()));
-  if (!MIA)
-    return {};
-  Optional<SectionRef> Plt = None, RelaPlt = None, GotPlt = None;
-  for (const SectionRef &Section : sections()) {
-    StringRef Name;
-    if (Section.getName(Name))
-      continue;
-    if (Name == ".plt")
-      Plt = Section;
-    else if (Name == ".rela.plt" || Name == ".rel.plt")
-      RelaPlt = Section;
-    else if (Name == ".got.plt")
-      GotPlt = Section;
-  }
-  if (!Plt || !RelaPlt || !GotPlt)
-    return {};
-  StringRef PltContents;
-  if (Plt->getContents(PltContents))
-    return {};
-  ArrayRef<uint8_t> PltBytes((const uint8_t *)PltContents.data(),
-                             Plt->getSize());
-  auto PltEntries = MIA->findPltEntries(Plt->getAddress(), PltBytes,
-                                        GotPlt->getAddress(), Triple);
-  // Build a map from GOT entry virtual address to PLT entry virtual address.
-  DenseMap<uint64_t, uint64_t> GotToPlt;
-  for (const auto &Entry : PltEntries)
-    GotToPlt.insert(std::make_pair(Entry.second, Entry.first));
-  // Find the relocations in the dynamic relocation table that point to
-  // locations in the GOT for which we know the corresponding PLT entry.
-  std::vector<std::pair<DataRefImpl, uint64_t>> Result;
-  for (const auto &Relocation : RelaPlt->relocations()) {
-    if (Relocation.getType() != JumpSlotReloc)
-      continue;
-    auto PltEntryIter = GotToPlt.find(Relocation.getOffset());
-    if (PltEntryIter != GotToPlt.end())
-      Result.push_back(std::make_pair(
-          Relocation.getSymbol()->getRawDataRefImpl(), PltEntryIter->second));
-  }
-  return Result;
-}