C++ COFFObjectFile::getCOFFSymbol方法代码示例

本文整理汇总了C++中COFFObjectFile::getCOFFSymbol方法的典型用法代码示例。如果您正苦于以下问题：C++ COFFObjectFile::getCOFFSymbol方法的具体用法？C++ COFFObjectFile::getCOFFSymbol怎么用？C++ COFFObjectFile::getCOFFSymbol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类COFFObjectFile的用法示例。

在下文中一共展示了COFFObjectFile::getCOFFSymbol方法的5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: failure

error_or<symbol_sizes> getSymbolSizes(const COFFObjectFile& obj) {
    symbol_sizes sizes;
    for (symbol_iterator it : obj.symbols()) {
        auto sym = obj.getCOFFSymbol(*it);
        const coff_section *sec = nullptr;
        if (sym.getSectionNumber() == COFF::IMAGE_SYM_UNDEFINED)
            continue;
        if (error_code ec = obj.getSection(sym.getSectionNumber(), sec))
            return failure(ec.message());
        if (!sec) continue;

        uint64_t size = (sec->VirtualAddress + sec->SizeOfRawData) - sym.getValue();

        for (symbol_iterator it : obj.symbols()) {
            auto next = obj.getCOFFSymbol(*it);
            if (next.getSectionNumber() == sym.getSectionNumber()) {
                auto new_size = next.getValue() > sym.getValue() ?
                    next.getValue() - sym.getValue() : size;
                size = new_size < size ? new_size : size;
            }
        }

        sizes.push_back(std::make_pair(*it, size));
    }
    return success(std::move(sizes));
}

开发者ID:ivg，项目名称:bap，代码行数:26，代码来源:llvm_binary_38_40.hpp

示例2: getSymbolNMTypeChar

static char getSymbolNMTypeChar(COFFObjectFile &Obj, symbol_iterator I) {
  const coff_symbol *Symb = Obj.getCOFFSymbol(I);
  // OK, this is COFF.
  symbol_iterator SymI(I);

  StringRef Name;
  if (error(SymI->getName(Name)))
    return '?';

  char Ret = StringSwitch<char>(Name)
                 .StartsWith(".debug", 'N')
                 .StartsWith(".sxdata", 'N')
                 .Default('?');

  if (Ret != '?')
    return Ret;

  uint32_t Characteristics = 0;
  if (Symb->SectionNumber > 0) {
    section_iterator SecI = Obj.section_end();
    if (error(SymI->getSection(SecI)))
      return '?';
    const coff_section *Section = Obj.getCOFFSection(SecI);
    Characteristics = Section->Characteristics;
  }

  switch (Symb->SectionNumber) {
  case COFF::IMAGE_SYM_DEBUG:
    return 'n';
  default:
    // Check section type.
    if (Characteristics & COFF::IMAGE_SCN_CNT_CODE)
      return 't';
    else if (Characteristics & COFF::IMAGE_SCN_MEM_READ &&
             ~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only.
      return 'r';
    else if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
      return 'd';
    else if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
      return 'b';
    else if (Characteristics & COFF::IMAGE_SCN_LNK_INFO)
      return 'i';

    // Check for section symbol.
    else if (Symb->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC &&
             Symb->Value == 0)
      return 's';
  }

  return '?';
}

开发者ID:AmesianX，项目名称:dagger，代码行数:51，代码来源:llvm-nm.cpp

示例3: read

std::vector<symbol> read(const COFFObjectFile& obj) {
    std::vector<symbol> symbols;

    const pe32_header *pe32;
    if (error_code err = obj.getPE32Header(pe32))
        llvm_binary_fail(err);

    for (auto it = obj.begin_symbols(); it != obj.end_symbols(); ++it) {
        auto sym = obj.getCOFFSymbol(it);

        if (!sym) llvm_binary_fail("not a coff symbol");

        const coff_section *sec = nullptr;
        if (sym->SectionNumber == COFF::IMAGE_SYM_UNDEFINED)
            continue;

        if (error_code ec = obj.getSection(sym->SectionNumber, sec))
            llvm_binary_fail(ec);

        if (!sec) continue;

        uint64_t size = (sec->VirtualAddress + sec->SizeOfRawData) - sym->Value;

        for (auto it = obj.begin_symbols(); it != obj.end_symbols(); ++it) {
            auto next = obj.getCOFFSymbol(it);
            if (next->SectionNumber == sym->SectionNumber) {
                auto new_size = next->Value > sym->Value ?
                    next->Value - sym->Value : size;
                size = new_size < size ? new_size : size;
            }
        }

        auto addr = sec->VirtualAddress + pe32->ImageBase + sym->Value;
        symbols.push_back(symbol(*it,addr,size));
    }
    return symbols;
}

开发者ID:jamella，项目名称:bap，代码行数:37，代码来源:llvm_binary.hpp

示例4: getSymbolNMTypeChar

static char getSymbolNMTypeChar(COFFObjectFile &Obj, symbol_iterator I) {
  COFFSymbolRef Symb = Obj.getCOFFSymbol(*I);
  // OK, this is COFF.
  symbol_iterator SymI(I);

  ErrorOr<StringRef> Name = SymI->getName();
  if (error(Name.getError()))
    return '?';

  char Ret = StringSwitch<char>(*Name)
                 .StartsWith(".debug", 'N')
                 .StartsWith(".sxdata", 'N')
                 .Default('?');

  if (Ret != '?')
    return Ret;

  uint32_t Characteristics = 0;
  if (!COFF::isReservedSectionNumber(Symb.getSectionNumber())) {
    ErrorOr<section_iterator> SecIOrErr = SymI->getSection();
    if (error(SecIOrErr.getError()))
      return '?';
    section_iterator SecI = *SecIOrErr;
    const coff_section *Section = Obj.getCOFFSection(*SecI);
    Characteristics = Section->Characteristics;
  }

  switch (Symb.getSectionNumber()) {
  case COFF::IMAGE_SYM_DEBUG:
    return 'n';
  default:
    // Check section type.
    if (Characteristics & COFF::IMAGE_SCN_CNT_CODE)
      return 't';
    if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
      return Characteristics & COFF::IMAGE_SCN_MEM_WRITE ? 'd' : 'r';
    if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
      return 'b';
    if (Characteristics & COFF::IMAGE_SCN_LNK_INFO)
      return 'i';
    // Check for section symbol.
    if (Symb.isSectionDefinition())
      return 's';
  }

  return '?';
}

开发者ID:swgillespie，项目名称:llvm，代码行数:47，代码来源:llvm-nm.cpp

示例5: getSymbolNMTypeChar

static error_code getSymbolNMTypeChar(COFFObjectFile &Obj, symbol_iterator I,
                                      char &Result) {
  const coff_symbol *symb = Obj.getCOFFSymbol(I);
  StringRef name;
  if (error_code ec = I->getName(name))
    return ec;
  char ret = StringSwitch<char>(name)
                 .StartsWith(".debug", 'N')
                 .StartsWith(".sxdata", 'N')
                 .Default('?');

  if (ret != '?') {
    Result = ret;
    return object_error::success;
  }

  uint32_t Characteristics = 0;
  if (symb->SectionNumber > 0) {
    section_iterator SecI = Obj.end_sections();
    if (error_code ec = I->getSection(SecI))
      return ec;
    const coff_section *Section = Obj.getCOFFSection(SecI);
    Characteristics = Section->Characteristics;
  }

  switch (symb->SectionNumber) {
  case COFF::IMAGE_SYM_UNDEFINED:
    // Check storage classes.
    if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL) {
      Result = 'w';
      return object_error::success; // Don't do ::toupper.
    } else if (symb->Value != 0)    // Check for common symbols.
      ret = 'c';
    else
      ret = 'u';
    break;
  case COFF::IMAGE_SYM_ABSOLUTE:
    ret = 'a';
    break;
  case COFF::IMAGE_SYM_DEBUG:
    ret = 'n';
    break;
  default:
    // Check section type.
    if (Characteristics & COFF::IMAGE_SCN_CNT_CODE)
      ret = 't';
    else if (Characteristics & COFF::IMAGE_SCN_MEM_READ &&
             ~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only.
      ret = 'r';
    else if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
      ret = 'd';
    else if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
      ret = 'b';
    else if (Characteristics & COFF::IMAGE_SCN_LNK_INFO)
      ret = 'i';

    // Check for section symbol.
    else if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC &&
             symb->Value == 0)
      ret = 's';
  }

  if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL)
    ret = ::toupper(static_cast<unsigned char>(ret));

  Result = ret;
  return object_error::success;
}

开发者ID:abrageddon，项目名称:LLVM-LabelAll，代码行数:68，代码来源:llvm-nm.cpp

注：本文中的COFFObjectFile::getCOFFSymbol方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。