Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 896 deletions

diff --git a/gnu/llvm/lib/MC/MCParser/ELFAsmParser.cpp b/gnu/llvm/lib/MC/MCParser/ELFAsmParser.cpp
deleted file mode 100644
index d568f7a71ee..00000000000
--- a/gnu/llvm/lib/MC/MCParser/ELFAsmParser.cpp
+++ /dev/null
@@ -1,896 +0,0 @@
-//===- ELFAsmParser.cpp - ELF Assembly Parser -----------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/BinaryFormat/ELF.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCDirectives.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-#include "llvm/MC/MCParser/MCAsmParser.h"
-#include "llvm/MC/MCParser/MCAsmParserExtension.h"
-#include "llvm/MC/MCSection.h"
-#include "llvm/MC/MCSectionELF.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCSymbolELF.h"
-#include "llvm/MC/SectionKind.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/SMLoc.h"
-#include <cassert>
-#include <cstdint>
-#include <utility>
-
-using namespace llvm;
-
-namespace {
-
-class ELFAsmParser : public MCAsmParserExtension {
-  template<bool (ELFAsmParser::*HandlerMethod)(StringRef, SMLoc)>
-  void addDirectiveHandler(StringRef Directive) {
-    MCAsmParser::ExtensionDirectiveHandler Handler = std::make_pair(
-        this, HandleDirective<ELFAsmParser, HandlerMethod>);
-
-    getParser().addDirectiveHandler(Directive, Handler);
-  }
-
-  bool ParseSectionSwitch(StringRef Section, unsigned Type, unsigned Flags,
-                          SectionKind Kind);
-
-public:
-  ELFAsmParser() { BracketExpressionsSupported = true; }
-
-  void Initialize(MCAsmParser &Parser) override {
-    // Call the base implementation.
-    this->MCAsmParserExtension::Initialize(Parser);
-
-    addDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveData>(".data");
-    addDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveText>(".text");
-    addDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveBSS>(".bss");
-    addDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveRoData>(".rodata");
-    addDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveTData>(".tdata");
-    addDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveTBSS>(".tbss");
-    addDirectiveHandler<
-      &ELFAsmParser::ParseSectionDirectiveDataRel>(".data.rel");
-    addDirectiveHandler<
-      &ELFAsmParser::ParseSectionDirectiveDataRelRo>(".data.rel.ro");
-    addDirectiveHandler<
-      &ELFAsmParser::ParseSectionDirectiveEhFrame>(".eh_frame");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveSection>(".section");
-    addDirectiveHandler<
-      &ELFAsmParser::ParseDirectivePushSection>(".pushsection");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectivePopSection>(".popsection");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveSize>(".size");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectivePrevious>(".previous");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveType>(".type");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveIdent>(".ident");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveSymver>(".symver");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveVersion>(".version");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveWeakref>(".weakref");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveSymbolAttribute>(".weak");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveSymbolAttribute>(".local");
-    addDirectiveHandler<
-      &ELFAsmParser::ParseDirectiveSymbolAttribute>(".protected");
-    addDirectiveHandler<
-      &ELFAsmParser::ParseDirectiveSymbolAttribute>(".internal");
-    addDirectiveHandler<
-      &ELFAsmParser::ParseDirectiveSymbolAttribute>(".hidden");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveSubsection>(".subsection");
-    addDirectiveHandler<&ELFAsmParser::ParseDirectiveCGProfile>(".cg_profile");
-  }
-
-  // FIXME: Part of this logic is duplicated in the MCELFStreamer. What is
-  // the best way for us to get access to it?
-  bool ParseSectionDirectiveData(StringRef, SMLoc) {
-    return ParseSectionSwitch(".data", ELF::SHT_PROGBITS,
-                              ELF::SHF_WRITE | ELF::SHF_ALLOC,
-                              SectionKind::getData());
-  }
-  bool ParseSectionDirectiveText(StringRef, SMLoc) {
-    return ParseSectionSwitch(".text", ELF::SHT_PROGBITS,
-                              ELF::SHF_EXECINSTR |
-                              ELF::SHF_ALLOC, SectionKind::getText());
-  }
-  bool ParseSectionDirectiveBSS(StringRef, SMLoc) {
-    return ParseSectionSwitch(".bss", ELF::SHT_NOBITS,
-                              ELF::SHF_WRITE |
-                              ELF::SHF_ALLOC, SectionKind::getBSS());
-  }
-  bool ParseSectionDirectiveRoData(StringRef, SMLoc) {
-    return ParseSectionSwitch(".rodata", ELF::SHT_PROGBITS,
-                              ELF::SHF_ALLOC,
-                              SectionKind::getReadOnly());
-  }
-  bool ParseSectionDirectiveTData(StringRef, SMLoc) {
-    return ParseSectionSwitch(".tdata", ELF::SHT_PROGBITS,
-                              ELF::SHF_ALLOC |
-                              ELF::SHF_TLS | ELF::SHF_WRITE,
-                              SectionKind::getThreadData());
-  }
-  bool ParseSectionDirectiveTBSS(StringRef, SMLoc) {
-    return ParseSectionSwitch(".tbss", ELF::SHT_NOBITS,
-                              ELF::SHF_ALLOC |
-                              ELF::SHF_TLS | ELF::SHF_WRITE,
-                              SectionKind::getThreadBSS());
-  }
-  bool ParseSectionDirectiveDataRel(StringRef, SMLoc) {
-    return ParseSectionSwitch(".data.rel", ELF::SHT_PROGBITS,
-                              ELF::SHF_ALLOC | ELF::SHF_WRITE,
-                              SectionKind::getData());
-  }
-  bool ParseSectionDirectiveDataRelRo(StringRef, SMLoc) {
-    return ParseSectionSwitch(".data.rel.ro", ELF::SHT_PROGBITS,
-                              ELF::SHF_ALLOC |
-                              ELF::SHF_WRITE,
-                              SectionKind::getReadOnlyWithRel());
-  }
-  bool ParseSectionDirectiveEhFrame(StringRef, SMLoc) {
-    return ParseSectionSwitch(".eh_frame", ELF::SHT_PROGBITS,
-                              ELF::SHF_ALLOC | ELF::SHF_WRITE,
-                              SectionKind::getData());
-  }
-  bool ParseDirectivePushSection(StringRef, SMLoc);
-  bool ParseDirectivePopSection(StringRef, SMLoc);
-  bool ParseDirectiveSection(StringRef, SMLoc);
-  bool ParseDirectiveSize(StringRef, SMLoc);
-  bool ParseDirectivePrevious(StringRef, SMLoc);
-  bool ParseDirectiveType(StringRef, SMLoc);
-  bool ParseDirectiveIdent(StringRef, SMLoc);
-  bool ParseDirectiveSymver(StringRef, SMLoc);
-  bool ParseDirectiveVersion(StringRef, SMLoc);
-  bool ParseDirectiveWeakref(StringRef, SMLoc);
-  bool ParseDirectiveSymbolAttribute(StringRef, SMLoc);
-  bool ParseDirectiveSubsection(StringRef, SMLoc);
-  bool ParseDirectiveCGProfile(StringRef, SMLoc);
-
-private:
-  bool ParseSectionName(StringRef &SectionName);
-  bool ParseSectionArguments(bool IsPush, SMLoc loc);
-  unsigned parseSunStyleSectionFlags();
-  bool maybeParseSectionType(StringRef &TypeName);
-  bool parseMergeSize(int64_t &Size);
-  bool parseGroup(StringRef &GroupName);
-  bool parseMetadataSym(MCSymbolELF *&Associated);
-  bool maybeParseUniqueID(int64_t &UniqueID);
-};
-
-} // end anonymous namespace
-
-/// ParseDirectiveSymbolAttribute
-///  ::= { ".local", ".weak", ... } [ identifier ( , identifier )* ]
-bool ELFAsmParser::ParseDirectiveSymbolAttribute(StringRef Directive, SMLoc) {
-  MCSymbolAttr Attr = StringSwitch<MCSymbolAttr>(Directive)
-    .Case(".weak", MCSA_Weak)
-    .Case(".local", MCSA_Local)
-    .Case(".hidden", MCSA_Hidden)
-    .Case(".internal", MCSA_Internal)
-    .Case(".protected", MCSA_Protected)
-    .Default(MCSA_Invalid);
-  assert(Attr != MCSA_Invalid && "unexpected symbol attribute directive!");
-  if (getLexer().isNot(AsmToken::EndOfStatement)) {
-    while (true) {
-      StringRef Name;
-
-      if (getParser().parseIdentifier(Name))
-        return TokError("expected identifier in directive");
-
-      MCSymbol *Sym = getContext().getOrCreateSymbol(Name);
-
-      getStreamer().EmitSymbolAttribute(Sym, Attr);
-
-      if (getLexer().is(AsmToken::EndOfStatement))
-        break;
-
-      if (getLexer().isNot(AsmToken::Comma))
-        return TokError("unexpected token in directive");
-      Lex();
-    }
-  }
-
-  Lex();
-  return false;
-}
-
-bool ELFAsmParser::ParseSectionSwitch(StringRef Section, unsigned Type,
-                                      unsigned Flags, SectionKind Kind) {
-  const MCExpr *Subsection = nullptr;
-  if (getLexer().isNot(AsmToken::EndOfStatement)) {
-    if (getParser().parseExpression(Subsection))
-      return true;
-  }
-  Lex();
-
-  getStreamer().SwitchSection(getContext().getELFSection(Section, Type, Flags),
-                              Subsection);
-
-  return false;
-}
-
-bool ELFAsmParser::ParseDirectiveSize(StringRef, SMLoc) {
-  StringRef Name;
-  if (getParser().parseIdentifier(Name))
-    return TokError("expected identifier in directive");
-  MCSymbolELF *Sym = cast<MCSymbolELF>(getContext().getOrCreateSymbol(Name));
-
-  if (getLexer().isNot(AsmToken::Comma))
-    return TokError("unexpected token in directive");
-  Lex();
-
-  const MCExpr *Expr;
-  if (getParser().parseExpression(Expr))
-    return true;
-
-  if (getLexer().isNot(AsmToken::EndOfStatement))
-    return TokError("unexpected token in directive");
-  Lex();
-
-  getStreamer().emitELFSize(Sym, Expr);
-  return false;
-}
-
-bool ELFAsmParser::ParseSectionName(StringRef &SectionName) {
-  // A section name can contain -, so we cannot just use
-  // parseIdentifier.
-  SMLoc FirstLoc = getLexer().getLoc();
-  unsigned Size = 0;
-
-  if (getLexer().is(AsmToken::String)) {
-    SectionName = getTok().getIdentifier();
-    Lex();
-    return false;
-  }
-
-  while (!getParser().hasPendingError()) {
-    SMLoc PrevLoc = getLexer().getLoc();
-    if (getLexer().is(AsmToken::Comma) ||
-      getLexer().is(AsmToken::EndOfStatement))
-      break;
-
-    unsigned CurSize;
-    if (getLexer().is(AsmToken::String)) {
-      CurSize = getTok().getIdentifier().size() + 2;
-      Lex();
-    } else if (getLexer().is(AsmToken::Identifier)) {
-      CurSize = getTok().getIdentifier().size();
-      Lex();
-    } else {
-      CurSize = getTok().getString().size();
-      Lex();
-    }
-    Size += CurSize;
-    SectionName = StringRef(FirstLoc.getPointer(), Size);
-
-    // Make sure the following token is adjacent.
-    if (PrevLoc.getPointer() + CurSize != getTok().getLoc().getPointer())
-      break;
-  }
-  if (Size == 0)
-    return true;
-
-  return false;
-}
-
-static unsigned parseSectionFlags(StringRef flagsStr, bool *UseLastGroup) {
-  unsigned flags = 0;
-
-  // If a valid numerical value is set for the section flag, use it verbatim
-  if (!flagsStr.getAsInteger(0, flags))
-    return flags;
-
-  for (char i : flagsStr) {
-    switch (i) {
-    case 'a':
-      flags |= ELF::SHF_ALLOC;
-      break;
-    case 'e':
-      flags |= ELF::SHF_EXCLUDE;
-      break;
-    case 'x':
-      flags |= ELF::SHF_EXECINSTR;
-      break;
-    case 'w':
-      flags |= ELF::SHF_WRITE;
-      break;
-    case 'o':
-      flags |= ELF::SHF_LINK_ORDER;
-      break;
-    case 'M':
-      flags |= ELF::SHF_MERGE;
-      break;
-    case 'S':
-      flags |= ELF::SHF_STRINGS;
-      break;
-    case 'T':
-      flags |= ELF::SHF_TLS;
-      break;
-    case 'c':
-      flags |= ELF::XCORE_SHF_CP_SECTION;
-      break;
-    case 'd':
-      flags |= ELF::XCORE_SHF_DP_SECTION;
-      break;
-    case 'y':
-      flags |= ELF::SHF_ARM_PURECODE;
-      break;
-    case 's':
-      flags |= ELF::SHF_HEX_GPREL;
-      break;
-    case 'G':
-      flags |= ELF::SHF_GROUP;
-      break;
-    case '?':
-      *UseLastGroup = true;
-      break;
-    default:
-      return -1U;
-    }
-  }
-
-  return flags;
-}
-
-unsigned ELFAsmParser::parseSunStyleSectionFlags() {
-  unsigned flags = 0;
-  while (getLexer().is(AsmToken::Hash)) {
-    Lex(); // Eat the #.
-
-    if (!getLexer().is(AsmToken::Identifier))
-      return -1U;
-
-    StringRef flagId = getTok().getIdentifier();
-    if (flagId == "alloc")
-      flags |= ELF::SHF_ALLOC;
-    else if (flagId == "execinstr")
-      flags |= ELF::SHF_EXECINSTR;
-    else if (flagId == "write")
-      flags |= ELF::SHF_WRITE;
-    else if (flagId == "tls")
-      flags |= ELF::SHF_TLS;
-    else
-      return -1U;
-
-    Lex(); // Eat the flag.
-
-    if (!getLexer().is(AsmToken::Comma))
-        break;
-    Lex(); // Eat the comma.
-  }
-  return flags;
-}
-
-
-bool ELFAsmParser::ParseDirectivePushSection(StringRef s, SMLoc loc) {
-  getStreamer().PushSection();
-
-  if (ParseSectionArguments(/*IsPush=*/true, loc)) {
-    getStreamer().PopSection();
-    return true;
-  }
-
-  return false;
-}
-
-bool ELFAsmParser::ParseDirectivePopSection(StringRef, SMLoc) {
-  if (!getStreamer().PopSection())
-    return TokError(".popsection without corresponding .pushsection");
-  return false;
-}
-
-bool ELFAsmParser::ParseDirectiveSection(StringRef, SMLoc loc) {
-  return ParseSectionArguments(/*IsPush=*/false, loc);
-}
-
-bool ELFAsmParser::maybeParseSectionType(StringRef &TypeName) {
-  MCAsmLexer &L = getLexer();
-  if (L.isNot(AsmToken::Comma))
-    return false;
-  Lex();
-  if (L.isNot(AsmToken::At) && L.isNot(AsmToken::Percent) &&
-      L.isNot(AsmToken::String)) {
-    if (L.getAllowAtInIdentifier())
-      return TokError("expected '@<type>', '%<type>' or \"<type>\"");
-    else
-      return TokError("expected '%<type>' or \"<type>\"");
-  }
-  if (!L.is(AsmToken::String))
-    Lex();
-  if (L.is(AsmToken::Integer)) {
-    TypeName = getTok().getString();
-    Lex();
-  } else if (getParser().parseIdentifier(TypeName))
-    return TokError("expected identifier in directive");
-  return false;
-}
-
-bool ELFAsmParser::parseMergeSize(int64_t &Size) {
-  if (getLexer().isNot(AsmToken::Comma))
-    return TokError("expected the entry size");
-  Lex();
-  if (getParser().parseAbsoluteExpression(Size))
-    return true;
-  if (Size <= 0)
-    return TokError("entry size must be positive");
-  return false;
-}
-
-bool ELFAsmParser::parseGroup(StringRef &GroupName) {
-  MCAsmLexer &L = getLexer();
-  if (L.isNot(AsmToken::Comma))
-    return TokError("expected group name");
-  Lex();
-  if (L.is(AsmToken::Integer)) {
-    GroupName = getTok().getString();
-    Lex();
-  } else if (getParser().parseIdentifier(GroupName)) {
-    return TokError("invalid group name");
-  }
-  if (L.is(AsmToken::Comma)) {
-    Lex();
-    StringRef Linkage;
-    if (getParser().parseIdentifier(Linkage))
-      return TokError("invalid linkage");
-    if (Linkage != "comdat")
-      return TokError("Linkage must be 'comdat'");
-  }
-  return false;
-}
-
-bool ELFAsmParser::parseMetadataSym(MCSymbolELF *&Associated) {
-  MCAsmLexer &L = getLexer();
-  if (L.isNot(AsmToken::Comma))
-    return TokError("expected metadata symbol");
-  Lex();
-  StringRef Name;
-  if (getParser().parseIdentifier(Name))
-    return TokError("invalid metadata symbol");
-  Associated = dyn_cast_or_null<MCSymbolELF>(getContext().lookupSymbol(Name));
-  if (!Associated || !Associated->isInSection())
-    return TokError("symbol is not in a section: " + Name);
-  return false;
-}
-
-bool ELFAsmParser::maybeParseUniqueID(int64_t &UniqueID) {
-  MCAsmLexer &L = getLexer();
-  if (L.isNot(AsmToken::Comma))
-    return false;
-  Lex();
-  StringRef UniqueStr;
-  if (getParser().parseIdentifier(UniqueStr))
-    return TokError("expected identifier in directive");
-  if (UniqueStr != "unique")
-    return TokError("expected 'unique'");
-  if (L.isNot(AsmToken::Comma))
-    return TokError("expected commma");
-  Lex();
-  if (getParser().parseAbsoluteExpression(UniqueID))
-    return true;
-  if (UniqueID < 0)
-    return TokError("unique id must be positive");
-  if (!isUInt<32>(UniqueID) || UniqueID == ~0U)
-    return TokError("unique id is too large");
-  return false;
-}
-
-static bool hasPrefix(StringRef SectionName, StringRef Prefix) {
-  return SectionName.startswith(Prefix) || SectionName == Prefix.drop_back();
-}
-
-bool ELFAsmParser::ParseSectionArguments(bool IsPush, SMLoc loc) {
-  StringRef SectionName;
-
-  if (ParseSectionName(SectionName))
-    return TokError("expected identifier in directive");
-
-  StringRef TypeName;
-  int64_t Size = 0;
-  StringRef GroupName;
-  unsigned Flags = 0;
-  const MCExpr *Subsection = nullptr;
-  bool UseLastGroup = false;
-  MCSymbolELF *Associated = nullptr;
-  int64_t UniqueID = ~0;
-
-  // Set the defaults first.
-  if (hasPrefix(SectionName, ".rodata.") || SectionName == ".rodata1")
-    Flags |= ELF::SHF_ALLOC;
-  else if (SectionName == ".fini" || SectionName == ".init" ||
-           hasPrefix(SectionName, ".text."))
-    Flags |= ELF::SHF_ALLOC | ELF::SHF_EXECINSTR;
-  else if (hasPrefix(SectionName, ".data.") || SectionName == ".data1" ||
-           hasPrefix(SectionName, ".bss.") ||
-           hasPrefix(SectionName, ".init_array.") ||
-           hasPrefix(SectionName, ".fini_array.") ||
-           hasPrefix(SectionName, ".preinit_array."))
-    Flags |= ELF::SHF_ALLOC | ELF::SHF_WRITE;
-  else if (hasPrefix(SectionName, ".tdata.") ||
-           hasPrefix(SectionName, ".tbss."))
-    Flags |= ELF::SHF_ALLOC | ELF::SHF_WRITE | ELF::SHF_TLS;
-
-  if (getLexer().is(AsmToken::Comma)) {
-    Lex();
-
-    if (IsPush && getLexer().isNot(AsmToken::String)) {
-      if (getParser().parseExpression(Subsection))
-        return true;
-      if (getLexer().isNot(AsmToken::Comma))
-        goto EndStmt;
-      Lex();
-    }
-
-    unsigned extraFlags;
-
-    if (getLexer().isNot(AsmToken::String)) {
-      if (!getContext().getAsmInfo()->usesSunStyleELFSectionSwitchSyntax()
-          || getLexer().isNot(AsmToken::Hash))
-        return TokError("expected string in directive");
-      extraFlags = parseSunStyleSectionFlags();
-    } else {
-      StringRef FlagsStr = getTok().getStringContents();
-      Lex();
-      extraFlags = parseSectionFlags(FlagsStr, &UseLastGroup);
-    }
-
-    if (extraFlags == -1U)
-      return TokError("unknown flag");
-    Flags |= extraFlags;
-
-    bool Mergeable = Flags & ELF::SHF_MERGE;
-    bool Group = Flags & ELF::SHF_GROUP;
-    if (Group && UseLastGroup)
-      return TokError("Section cannot specifiy a group name while also acting "
-                      "as a member of the last group");
-
-    if (maybeParseSectionType(TypeName))
-      return true;
-
-    MCAsmLexer &L = getLexer();
-    if (TypeName.empty()) {
-      if (Mergeable)
-        return TokError("Mergeable section must specify the type");
-      if (Group)
-        return TokError("Group section must specify the type");
-      if (L.isNot(AsmToken::EndOfStatement))
-        return TokError("unexpected token in directive");
-    }
-
-    if (Mergeable)
-      if (parseMergeSize(Size))
-        return true;
-    if (Group)
-      if (parseGroup(GroupName))
-        return true;
-    if (Flags & ELF::SHF_LINK_ORDER)
-      if (parseMetadataSym(Associated))
-        return true;
-    if (maybeParseUniqueID(UniqueID))
-      return true;
-  }
-
-EndStmt:
-  if (getLexer().isNot(AsmToken::EndOfStatement))
-    return TokError("unexpected token in directive");
-  Lex();
-
-  unsigned Type = ELF::SHT_PROGBITS;
-
-  if (TypeName.empty()) {
-    if (SectionName.startswith(".note"))
-      Type = ELF::SHT_NOTE;
-    else if (hasPrefix(SectionName, ".init_array."))
-      Type = ELF::SHT_INIT_ARRAY;
-    else if (hasPrefix(SectionName, ".bss."))
-      Type = ELF::SHT_NOBITS;
-    else if (hasPrefix(SectionName, ".tbss."))
-      Type = ELF::SHT_NOBITS;
-    else if (hasPrefix(SectionName, ".fini_array."))
-      Type = ELF::SHT_FINI_ARRAY;
-    else if (hasPrefix(SectionName, ".preinit_array."))
-      Type = ELF::SHT_PREINIT_ARRAY;
-  } else {
-    if (TypeName == "init_array")
-      Type = ELF::SHT_INIT_ARRAY;
-    else if (TypeName == "fini_array")
-      Type = ELF::SHT_FINI_ARRAY;
-    else if (TypeName == "preinit_array")
-      Type = ELF::SHT_PREINIT_ARRAY;
-    else if (TypeName == "nobits")
-      Type = ELF::SHT_NOBITS;
-    else if (TypeName == "progbits")
-      Type = ELF::SHT_PROGBITS;
-    else if (TypeName == "note")
-      Type = ELF::SHT_NOTE;
-    else if (TypeName == "unwind")
-      Type = ELF::SHT_X86_64_UNWIND;
-    else if (TypeName == "llvm_odrtab")
-      Type = ELF::SHT_LLVM_ODRTAB;
-    else if (TypeName == "llvm_linker_options")
-      Type = ELF::SHT_LLVM_LINKER_OPTIONS;
-    else if (TypeName == "llvm_call_graph_profile")
-      Type = ELF::SHT_LLVM_CALL_GRAPH_PROFILE;
-    else if (TypeName.getAsInteger(0, Type))
-      return TokError("unknown section type");
-  }
-
-  if (UseLastGroup) {
-    MCSectionSubPair CurrentSection = getStreamer().getCurrentSection();
-    if (const MCSectionELF *Section =
-            cast_or_null<MCSectionELF>(CurrentSection.first))
-      if (const MCSymbol *Group = Section->getGroup()) {
-        GroupName = Group->getName();
-        Flags |= ELF::SHF_GROUP;
-      }
-  }
-
-  MCSection *ELFSection =
-      getContext().getELFSection(SectionName, Type, Flags, Size, GroupName,
-                                 UniqueID, Associated);
-  getStreamer().SwitchSection(ELFSection, Subsection);
-
-  if (getContext().getGenDwarfForAssembly()) {
-    bool InsertResult = getContext().addGenDwarfSection(ELFSection);
-    if (InsertResult) {
-      if (getContext().getDwarfVersion() <= 2)
-        Warning(loc, "DWARF2 only supports one section per compilation unit");
-
-      if (!ELFSection->getBeginSymbol()) {
-        MCSymbol *SectionStartSymbol = getContext().createTempSymbol();
-        getStreamer().EmitLabel(SectionStartSymbol);
-        ELFSection->setBeginSymbol(SectionStartSymbol);
-      }
-    }
-  }
-
-  return false;
-}
-
-bool ELFAsmParser::ParseDirectivePrevious(StringRef DirName, SMLoc) {
-  MCSectionSubPair PreviousSection = getStreamer().getPreviousSection();
-  if (PreviousSection.first == nullptr)
-      return TokError(".previous without corresponding .section");
-  getStreamer().SwitchSection(PreviousSection.first, PreviousSection.second);
-
-  return false;
-}
-
-static MCSymbolAttr MCAttrForString(StringRef Type) {
-  return StringSwitch<MCSymbolAttr>(Type)
-          .Cases("STT_FUNC", "function", MCSA_ELF_TypeFunction)
-          .Cases("STT_OBJECT", "object", MCSA_ELF_TypeObject)
-          .Cases("STT_TLS", "tls_object", MCSA_ELF_TypeTLS)
-          .Cases("STT_COMMON", "common", MCSA_ELF_TypeCommon)
-          .Cases("STT_NOTYPE", "notype", MCSA_ELF_TypeNoType)
-          .Cases("STT_GNU_IFUNC", "gnu_indirect_function",
-                 MCSA_ELF_TypeIndFunction)
-          .Case("gnu_unique_object", MCSA_ELF_TypeGnuUniqueObject)
-          .Default(MCSA_Invalid);
-}
-
-/// ParseDirectiveELFType
-///  ::= .type identifier , STT_<TYPE_IN_UPPER_CASE>
-///  ::= .type identifier , #attribute
-///  ::= .type identifier , @attribute
-///  ::= .type identifier , %attribute
-///  ::= .type identifier , "attribute"
-bool ELFAsmParser::ParseDirectiveType(StringRef, SMLoc) {
-  StringRef Name;
-  if (getParser().parseIdentifier(Name))
-    return TokError("expected identifier in directive");
-
-  // Handle the identifier as the key symbol.
-  MCSymbol *Sym = getContext().getOrCreateSymbol(Name);
-
-  // NOTE the comma is optional in all cases.  It is only documented as being
-  // optional in the first case, however, GAS will silently treat the comma as
-  // optional in all cases.  Furthermore, although the documentation states that
-  // the first form only accepts STT_<TYPE_IN_UPPER_CASE>, in reality, GAS
-  // accepts both the upper case name as well as the lower case aliases.
-  if (getLexer().is(AsmToken::Comma))
-    Lex();
-
-  if (getLexer().isNot(AsmToken::Identifier) &&
-      getLexer().isNot(AsmToken::Hash) &&
-      getLexer().isNot(AsmToken::Percent) &&
-      getLexer().isNot(AsmToken::String)) {
-    if (!getLexer().getAllowAtInIdentifier())
-      return TokError("expected STT_<TYPE_IN_UPPER_CASE>, '#<type>', "
-                      "'%<type>' or \"<type>\"");
-    else if (getLexer().isNot(AsmToken::At))
-      return TokError("expected STT_<TYPE_IN_UPPER_CASE>, '#<type>', '@<type>', "
-                      "'%<type>' or \"<type>\"");
-  }
-
-  if (getLexer().isNot(AsmToken::String) &&
-      getLexer().isNot(AsmToken::Identifier))
-    Lex();
-
-  SMLoc TypeLoc = getLexer().getLoc();
-
-  StringRef Type;
-  if (getParser().parseIdentifier(Type))
-    return TokError("expected symbol type in directive");
-
-  MCSymbolAttr Attr = MCAttrForString(Type);
-  if (Attr == MCSA_Invalid)
-    return Error(TypeLoc, "unsupported attribute in '.type' directive");
-
-  if (getLexer().isNot(AsmToken::EndOfStatement))
-    return TokError("unexpected token in '.type' directive");
-  Lex();
-
-  getStreamer().EmitSymbolAttribute(Sym, Attr);
-
-  return false;
-}
-
-/// ParseDirectiveIdent
-///  ::= .ident string
-bool ELFAsmParser::ParseDirectiveIdent(StringRef, SMLoc) {
-  if (getLexer().isNot(AsmToken::String))
-    return TokError("unexpected token in '.ident' directive");
-
-  StringRef Data = getTok().getIdentifier();
-
-  Lex();
-
-  if (getLexer().isNot(AsmToken::EndOfStatement))
-    return TokError("unexpected token in '.ident' directive");
-  Lex();
-
-  getStreamer().EmitIdent(Data);
-  return false;
-}
-
-/// ParseDirectiveSymver
-///  ::= .symver foo, bar2@zed
-bool ELFAsmParser::ParseDirectiveSymver(StringRef, SMLoc) {
-  StringRef Name;
-  if (getParser().parseIdentifier(Name))
-    return TokError("expected identifier in directive");
-
-  if (getLexer().isNot(AsmToken::Comma))
-    return TokError("expected a comma");
-
-  // ARM assembly uses @ for a comment...
-  // except when parsing the second parameter of the .symver directive.
-  // Force the next symbol to allow @ in the identifier, which is
-  // required for this directive and then reset it to its initial state.
-  const bool AllowAtInIdentifier = getLexer().getAllowAtInIdentifier();
-  getLexer().setAllowAtInIdentifier(true);
-  Lex();
-  getLexer().setAllowAtInIdentifier(AllowAtInIdentifier);
-
-  StringRef AliasName;
-  if (getParser().parseIdentifier(AliasName))
-    return TokError("expected identifier in directive");
-
-  if (AliasName.find('@') == StringRef::npos)
-    return TokError("expected a '@' in the name");
-
-  MCSymbol *Sym = getContext().getOrCreateSymbol(Name);
-  getStreamer().emitELFSymverDirective(AliasName, Sym);
-  return false;
-}
-
-/// ParseDirectiveVersion
-///  ::= .version string
-bool ELFAsmParser::ParseDirectiveVersion(StringRef, SMLoc) {
-  if (getLexer().isNot(AsmToken::String))
-    return TokError("unexpected token in '.version' directive");
-
-  StringRef Data = getTok().getIdentifier();
-
-  Lex();
-
-  MCSection *Note = getContext().getELFSection(".note", ELF::SHT_NOTE, 0);
-
-  getStreamer().PushSection();
-  getStreamer().SwitchSection(Note);
-  getStreamer().EmitIntValue(Data.size()+1, 4); // namesz.
-  getStreamer().EmitIntValue(0, 4);             // descsz = 0 (no description).
-  getStreamer().EmitIntValue(1, 4);             // type = NT_VERSION.
-  getStreamer().EmitBytes(Data);                // name.
-  getStreamer().EmitIntValue(0, 1);             // terminate the string.
-  getStreamer().EmitValueToAlignment(4);        // ensure 4 byte alignment.
-  getStreamer().PopSection();
-  return false;
-}
-
-/// ParseDirectiveWeakref
-///  ::= .weakref foo, bar
-bool ELFAsmParser::ParseDirectiveWeakref(StringRef, SMLoc) {
-  // FIXME: Share code with the other alias building directives.
-
-  StringRef AliasName;
-  if (getParser().parseIdentifier(AliasName))
-    return TokError("expected identifier in directive");
-
-  if (getLexer().isNot(AsmToken::Comma))
-    return TokError("expected a comma");
-
-  Lex();
-
-  StringRef Name;
-  if (getParser().parseIdentifier(Name))
-    return TokError("expected identifier in directive");
-
-  MCSymbol *Alias = getContext().getOrCreateSymbol(AliasName);
-
-  MCSymbol *Sym = getContext().getOrCreateSymbol(Name);
-
-  getStreamer().EmitWeakReference(Alias, Sym);
-  return false;
-}
-
-bool ELFAsmParser::ParseDirectiveSubsection(StringRef, SMLoc) {
-  const MCExpr *Subsection = nullptr;
-  if (getLexer().isNot(AsmToken::EndOfStatement)) {
-    if (getParser().parseExpression(Subsection))
-     return true;
-  }
-
-  if (getLexer().isNot(AsmToken::EndOfStatement))
-    return TokError("unexpected token in directive");
-
-  Lex();
-
-  getStreamer().SubSection(Subsection);
-  return false;
-}
-
-/// ParseDirectiveCGProfile
-///  ::= .cg_profile identifier, identifier, <number>
-bool ELFAsmParser::ParseDirectiveCGProfile(StringRef, SMLoc) {
-  StringRef From;
-  SMLoc FromLoc = getLexer().getLoc();
-  if (getParser().parseIdentifier(From))
-    return TokError("expected identifier in directive");
-
-  if (getLexer().isNot(AsmToken::Comma))
-    return TokError("expected a comma");
-  Lex();
-
-  StringRef To;
-  SMLoc ToLoc = getLexer().getLoc();
-  if (getParser().parseIdentifier(To))
-    return TokError("expected identifier in directive");
-
-  if (getLexer().isNot(AsmToken::Comma))
-    return TokError("expected a comma");
-  Lex();
-
-  int64_t Count;
-  if (getParser().parseIntToken(
-          Count, "expected integer count in '.cg_profile' directive"))
-    return true;
-
-  if (getLexer().isNot(AsmToken::EndOfStatement))
-    return TokError("unexpected token in directive");
-
-  MCSymbol *FromSym = getContext().getOrCreateSymbol(From);
-  MCSymbol *ToSym = getContext().getOrCreateSymbol(To);
-
-  getStreamer().emitCGProfileEntry(
-      MCSymbolRefExpr::create(FromSym, MCSymbolRefExpr::VK_None, getContext(),
-                              FromLoc),
-      MCSymbolRefExpr::create(ToSym, MCSymbolRefExpr::VK_None, getContext(),
-                              ToLoc),
-      Count);
-  return false;
-}
-
-namespace llvm {
-
-MCAsmParserExtension *createELFAsmParser() {
-  return new ELFAsmParser;
-}
-
-} // end namespace llvm