C++ (Cpp) DWARFDataExtractor::getCStrRef示例

// Parse v2-v4 directory and file tables.
static void
parseV2DirFileTables(const DWARFDataExtractor &DebugLineData,
                     uint32_t *OffsetPtr, uint64_t EndPrologueOffset,
                     DWARFDebugLine::ContentTypeTracker &ContentTypes,
                     std::vector<DWARFFormValue> &IncludeDirectories,
                     std::vector<DWARFDebugLine::FileNameEntry> &FileNames) {
  while (*OffsetPtr < EndPrologueOffset) {
    StringRef S = DebugLineData.getCStrRef(OffsetPtr);
    if (S.empty())
      break;
    DWARFFormValue Dir =
        DWARFFormValue::createFromPValue(dwarf::DW_FORM_string, S.data());
    IncludeDirectories.push_back(Dir);
  }

  while (*OffsetPtr < EndPrologueOffset) {
    StringRef Name = DebugLineData.getCStrRef(OffsetPtr);
    if (Name.empty())
      break;
    DWARFDebugLine::FileNameEntry FileEntry;
    FileEntry.Name =
        DWARFFormValue::createFromPValue(dwarf::DW_FORM_string, Name.data());
    FileEntry.DirIdx = DebugLineData.getULEB128(OffsetPtr);
    FileEntry.ModTime = DebugLineData.getULEB128(OffsetPtr);
    FileEntry.Length = DebugLineData.getULEB128(OffsetPtr);
    FileNames.push_back(FileEntry);
  }

  ContentTypes.HasModTime = true;
  ContentTypes.HasLength = true;
}

示例#2

显示文件

文件： DWARFDebugLine.cpp 项目： BNieuwenhuizen/llvm

// Parse v2-v4 directory and file tables.
static void
parseV2DirFileTables(const DWARFDataExtractor &DebugLineData,
                     uint32_t *OffsetPtr, uint64_t EndPrologueOffset,
                     std::vector<StringRef> &IncludeDirectories,
                     std::vector<DWARFDebugLine::FileNameEntry> &FileNames) {
  while (*OffsetPtr < EndPrologueOffset) {
    StringRef S = DebugLineData.getCStrRef(OffsetPtr);
    if (S.empty())
      break;
    IncludeDirectories.push_back(S);
  }

  while (*OffsetPtr < EndPrologueOffset) {
    StringRef Name = DebugLineData.getCStrRef(OffsetPtr);
    if (Name.empty())
      break;
    DWARFDebugLine::FileNameEntry FileEntry;
    FileEntry.Name = Name;
    FileEntry.DirIdx = DebugLineData.getULEB128(OffsetPtr);
    FileEntry.ModTime = DebugLineData.getULEB128(OffsetPtr);
    FileEntry.Length = DebugLineData.getULEB128(OffsetPtr);
    FileNames.push_back(FileEntry);
  }
}