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C++ COFFSymbolRef::getStorageClass方法代码示例

本文整理汇总了C++中COFFSymbolRef::getStorageClass方法的典型用法代码示例。如果您正苦于以下问题:C++ COFFSymbolRef::getStorageClass方法的具体用法?C++ COFFSymbolRef::getStorageClass怎么用?C++ COFFSymbolRef::getStorageClass使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在COFFSymbolRef的用法示例。


在下文中一共展示了COFFSymbolRef::getStorageClass方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: addEntryToStringTable

Optional<coff_symbol16> Writer::createSymbol(Defined *Def) {
  // Relative symbols are unrepresentable in a COFF symbol table.
  if (isa<DefinedSynthetic>(Def))
    return None;

  if (auto *D = dyn_cast<DefinedRegular>(Def)) {
    // Don't write dead symbols or symbols in codeview sections to the symbol
    // table.
    if (!D->getChunk()->isLive() || D->getChunk()->isCodeView())
      return None;
  }

  if (auto *Sym = dyn_cast<DefinedImportData>(Def))
    if (!Sym->File->Live)
      return None;

  if (auto *Sym = dyn_cast<DefinedImportThunk>(Def))
    if (!Sym->WrappedSym->File->Live)
      return None;

  coff_symbol16 Sym;
  StringRef Name = Def->getName();
  if (Name.size() > COFF::NameSize) {
    Sym.Name.Offset.Zeroes = 0;
    Sym.Name.Offset.Offset = addEntryToStringTable(Name);
  } else {
    memset(Sym.Name.ShortName, 0, COFF::NameSize);
    memcpy(Sym.Name.ShortName, Name.data(), Name.size());
  }

  if (auto *D = dyn_cast<DefinedCOFF>(Def)) {
    COFFSymbolRef Ref = D->getCOFFSymbol();
    Sym.Type = Ref.getType();
    Sym.StorageClass = Ref.getStorageClass();
  } else {
    Sym.Type = IMAGE_SYM_TYPE_NULL;
    Sym.StorageClass = IMAGE_SYM_CLASS_EXTERNAL;
  }
  Sym.NumberOfAuxSymbols = 0;

  switch (Def->kind()) {
  case SymbolBody::DefinedAbsoluteKind:
    Sym.Value = Def->getRVA();
    Sym.SectionNumber = IMAGE_SYM_ABSOLUTE;
    break;
  default: {
    uint64_t RVA = Def->getRVA();
    OutputSection *Sec = nullptr;
    for (OutputSection *S : OutputSections) {
      if (S->getRVA() > RVA)
        break;
      Sec = S;
    }
    Sym.Value = RVA - Sec->getRVA();
    Sym.SectionNumber = Sec->SectionIndex;
    break;
  }
  }
  return Sym;
}
开发者ID:Leedehai,项目名称:lld,代码行数:60,代码来源:Writer.cpp

示例2: addEntryToStringTable

Optional<coff_symbol16> Writer::createSymbol(Defined *Def) {
  if (auto *D = dyn_cast<DefinedRegular>(Def))
    if (!D->getChunk()->isLive())
      return None;

  coff_symbol16 Sym;
  StringRef Name = Def->getName();
  if (Name.size() > COFF::NameSize) {
    Sym.Name.Offset.Zeroes = 0;
    Sym.Name.Offset.Offset = addEntryToStringTable(Name);
  } else {
    memset(Sym.Name.ShortName, 0, COFF::NameSize);
    memcpy(Sym.Name.ShortName, Name.data(), Name.size());
  }

  if (auto *D = dyn_cast<DefinedCOFF>(Def)) {
    COFFSymbolRef Ref = D->getCOFFSymbol();
    Sym.Type = Ref.getType();
    Sym.StorageClass = Ref.getStorageClass();
  } else {
    Sym.Type = IMAGE_SYM_TYPE_NULL;
    Sym.StorageClass = IMAGE_SYM_CLASS_EXTERNAL;
  }
  Sym.NumberOfAuxSymbols = 0;

  switch (Def->kind()) {
  case SymbolBody::DefinedAbsoluteKind:
  case SymbolBody::DefinedRelativeKind:
    Sym.Value = Def->getRVA();
    Sym.SectionNumber = IMAGE_SYM_ABSOLUTE;
    break;
  default: {
    uint64_t RVA = Def->getRVA();
    OutputSection *Sec = nullptr;
    for (OutputSection *S : OutputSections) {
      if (S->getRVA() > RVA)
        break;
      Sec = S;
    }
    Sym.Value = RVA - Sec->getRVA();
    Sym.SectionNumber = Sec->SectionIndex;
    break;
  }
  }
  return Sym;
}
开发者ID:llvm-beanz,项目名称:lld,代码行数:46,代码来源:Writer.cpp

示例3: printSymbol

void COFFDumper::printSymbol(const SymbolRef &Sym) {
  DictScope D(W, "Symbol");

  COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym);
  const coff_section *Section;
  if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) {
    W.startLine() << "Invalid section number: " << EC.message() << "\n";
    W.flush();
    return;
  }

  StringRef SymbolName;
  if (Obj->getSymbolName(Symbol, SymbolName))
    SymbolName = "";

  StringRef SectionName = "";
  ErrorOr<StringRef> Res =
      getSectionName(Obj, Symbol.getSectionNumber(), Section);
  if (Res)
    SectionName = *Res;

  W.printString("Name", SymbolName);
  W.printNumber("Value", Symbol.getValue());
  W.printNumber("Section", SectionName, Symbol.getSectionNumber());
  W.printEnum  ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType));
  W.printEnum  ("ComplexType", Symbol.getComplexType(),
                                                   makeArrayRef(ImageSymDType));
  W.printEnum  ("StorageClass", Symbol.getStorageClass(),
                                                   makeArrayRef(ImageSymClass));
  W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols());

  for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) {
    if (Symbol.isFunctionDefinition()) {
      const coff_aux_function_definition *Aux;
      error(getSymbolAuxData(Obj, Symbol, I, Aux));

      DictScope AS(W, "AuxFunctionDef");
      W.printNumber("TagIndex", Aux->TagIndex);
      W.printNumber("TotalSize", Aux->TotalSize);
      W.printHex("PointerToLineNumber", Aux->PointerToLinenumber);
      W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);

    } else if (Symbol.isAnyUndefined()) {
      const coff_aux_weak_external *Aux;
      error(getSymbolAuxData(Obj, Symbol, I, Aux));

      ErrorOr<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
      StringRef LinkedName;
      std::error_code EC = Linked.getError();
      if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) {
        LinkedName = "";
        error(EC);
      }

      DictScope AS(W, "AuxWeakExternal");
      W.printNumber("Linked", LinkedName, Aux->TagIndex);
      W.printEnum  ("Search", Aux->Characteristics,
                    makeArrayRef(WeakExternalCharacteristics));

    } else if (Symbol.isFileRecord()) {
      const char *FileName;
      error(getSymbolAuxData(Obj, Symbol, I, FileName));

      DictScope AS(W, "AuxFileRecord");

      StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() *
                                   Obj->getSymbolTableEntrySize());
      W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
      break;
    } else if (Symbol.isSectionDefinition()) {
      const coff_aux_section_definition *Aux;
      error(getSymbolAuxData(Obj, Symbol, I, Aux));

      int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj());

      DictScope AS(W, "AuxSectionDef");
      W.printNumber("Length", Aux->Length);
      W.printNumber("RelocationCount", Aux->NumberOfRelocations);
      W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
      W.printHex("Checksum", Aux->CheckSum);
      W.printNumber("Number", AuxNumber);
      W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));

      if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
          && Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
        const coff_section *Assoc;
        StringRef AssocName = "";
        std::error_code EC = Obj->getSection(AuxNumber, Assoc);
        ErrorOr<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc);
        if (Res)
          AssocName = *Res;
        if (!EC)
          EC = Res.getError();
        if (EC) {
          AssocName = "";
          error(EC);
        }

        W.printNumber("AssocSection", AssocName, AuxNumber);
      }
//.........这里部分代码省略.........
开发者ID:zhiyongLee,项目名称:llvm,代码行数:101,代码来源:COFFDumper.cpp


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