C++ ModuleSpec::GetSymbolFileSpec方法代码示例

Error
Platform::ResolveSymbolFile (Target &target,
                             const ModuleSpec &sym_spec,
                             FileSpec &sym_file)
{
    Error error;
    if (sym_spec.GetSymbolFileSpec().Exists())
        sym_file = sym_spec.GetSymbolFileSpec();
    else
        error.SetErrorString("unable to resolve symbol file");
    return error;
    
}

Error
PlatformDarwin::ResolveSymbolFile (Target &target,
                                   const ModuleSpec &sym_spec,
                                   FileSpec &sym_file)
{
    Error error;
    sym_file = sym_spec.GetSymbolFileSpec();
    if (sym_file.Exists())
    {
        if (sym_file.GetFileType() == FileSpec::eFileTypeDirectory)
        {
            sym_file = Symbols::FindSymbolFileInBundle (sym_file,
                                                        sym_spec.GetUUIDPtr(),
                                                        sym_spec.GetArchitecturePtr());
        }
    }
    else
    {
        if (sym_spec.GetUUID().IsValid())
        {
            
        }
    }
    return error;
    
}

static bool
GetModuleSpecInfoFromUUIDDictionary (CFDictionaryRef uuid_dict, ModuleSpec &module_spec)
{
    bool success = false;
    if (uuid_dict != NULL && CFGetTypeID (uuid_dict) == CFDictionaryGetTypeID ())
    {
        std::string str;
        CFStringRef cf_str;
        
        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGSymbolRichExecutable"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            if (CFCString::FileSystemRepresentation(cf_str, str))
                module_spec.GetFileSpec().SetFile (str.c_str(), true);
        }
        
        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGDSYMPath"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            if (CFCString::FileSystemRepresentation(cf_str, str))
            {
                module_spec.GetSymbolFileSpec().SetFile (str.c_str(), true);
                success = true;
            }
        }
        
        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGArchitecture"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            if (CFCString::FileSystemRepresentation(cf_str, str))
                module_spec.GetArchitecture().SetTriple(str.c_str());
        }

        std::string DBGBuildSourcePath;
        std::string DBGSourcePath;

        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGBuildSourcePath"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            CFCString::FileSystemRepresentation(cf_str, DBGBuildSourcePath);
        }

        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGSourcePath"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            CFCString::FileSystemRepresentation(cf_str, DBGSourcePath);
        }
        
        if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty())
        {
            module_spec.GetSourceMappingList().Append (ConstString(DBGBuildSourcePath.c_str()), ConstString(DBGSourcePath.c_str()), true);
        }
    }
    return success;
}

Module::Module (const ModuleSpec &module_spec) :
    m_mutex (Mutex::eMutexTypeRecursive),
    m_mod_time (module_spec.GetFileSpec().GetModificationTime()),
    m_arch (module_spec.GetArchitecture()),
    m_uuid (),
    m_file (module_spec.GetFileSpec()),
    m_platform_file(module_spec.GetPlatformFileSpec()),
    m_symfile_spec (module_spec.GetSymbolFileSpec()),
    m_object_name (module_spec.GetObjectName()),
    m_object_offset (module_spec.GetObjectOffset()),
    m_objfile_sp (),
    m_symfile_ap (),
    m_ast (),
    m_source_mappings (),
    m_did_load_objfile (false),
    m_did_load_symbol_vendor (false),
    m_did_parse_uuid (false),
    m_did_init_ast (false),
    m_is_dynamic_loader_module (false),
    m_file_has_changed (false),
    m_first_file_changed_log (false)
{
    // Scope for locker below...
    {
        Mutex::Locker locker (GetAllocationModuleCollectionMutex());
        GetModuleCollection().push_back(this);
    }
    
    LogSP log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES));
    if (log)
        log->Printf ("%p Module::Module((%s) '%s/%s%s%s%s')",
                     this,
                     m_arch.GetArchitectureName(),
                     m_file.GetDirectory().AsCString(""),
                     m_file.GetFilename().AsCString(""),
                     m_object_name.IsEmpty() ? "" : "(",
                     m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""),
                     m_object_name.IsEmpty() ? "" : ")");
}

static bool
GetModuleSpecInfoFromUUIDDictionary (CFDictionaryRef uuid_dict, ModuleSpec &module_spec)
{
    Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
    bool success = false;
    if (uuid_dict != NULL && CFGetTypeID (uuid_dict) == CFDictionaryGetTypeID ())
    {
        std::string str;
        CFStringRef cf_str;
        
        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGSymbolRichExecutable"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            if (CFCString::FileSystemRepresentation(cf_str, str))
            {
                module_spec.GetFileSpec().SetFile (str.c_str(), true);
                if (log)
                {
                    log->Printf ("From dsymForUUID plist: Symbol rich executable is at '%s'", str.c_str());
                }
            }
        }
        
        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGDSYMPath"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            if (CFCString::FileSystemRepresentation(cf_str, str))
            {
                module_spec.GetSymbolFileSpec().SetFile (str.c_str(), true);
                success = true;
                if (log)
                {
                    log->Printf ("From dsymForUUID plist: dSYM is at '%s'", str.c_str());
                }
            }
        }
        
        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGArchitecture"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            if (CFCString::FileSystemRepresentation(cf_str, str))
                module_spec.GetArchitecture().SetTriple(str.c_str());
        }

        std::string DBGBuildSourcePath;
        std::string DBGSourcePath;

        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGBuildSourcePath"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            CFCString::FileSystemRepresentation(cf_str, DBGBuildSourcePath);
        }

        cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGSourcePath"));
        if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
        {
            CFCString::FileSystemRepresentation(cf_str, DBGSourcePath);
        }
        
        if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty())
        {
            module_spec.GetSourceMappingList().Append (ConstString(DBGBuildSourcePath.c_str()), ConstString(DBGSourcePath.c_str()), true);
        }
    }
    return success;
}

FileSpec Symbols::LocateExecutableSymbolFile(const ModuleSpec &module_spec) {
  FileSpec symbol_file_spec = module_spec.GetSymbolFileSpec();
  if (symbol_file_spec.IsAbsolute() && symbol_file_spec.Exists())
    return symbol_file_spec;

  const char *symbol_filename = symbol_file_spec.GetFilename().AsCString();
  if (symbol_filename && symbol_filename[0]) {
    FileSpecList debug_file_search_paths(
        Target::GetDefaultDebugFileSearchPaths());

    // Add module directory.
    const ConstString &file_dir = module_spec.GetFileSpec().GetDirectory();
    debug_file_search_paths.AppendIfUnique(
        FileSpec(file_dir.AsCString("."), true));

    // Add current working directory.
    debug_file_search_paths.AppendIfUnique(FileSpec(".", true));

#ifndef LLVM_ON_WIN32
    // Add /usr/lib/debug directory.
    debug_file_search_paths.AppendIfUnique(FileSpec("/usr/lib/debug", true));
#endif // LLVM_ON_WIN32

    std::string uuid_str;
    const UUID &module_uuid = module_spec.GetUUID();
    if (module_uuid.IsValid()) {
      // Some debug files are stored in the .build-id directory like this:
      //   /usr/lib/debug/.build-id/ff/e7fe727889ad82bb153de2ad065b2189693315.debug
      uuid_str = module_uuid.GetAsString("");
      uuid_str.insert(2, 1, '/');
      uuid_str = uuid_str + ".debug";
    }

    size_t num_directories = debug_file_search_paths.GetSize();
    for (size_t idx = 0; idx < num_directories; ++idx) {
      FileSpec dirspec = debug_file_search_paths.GetFileSpecAtIndex(idx);
      dirspec.ResolvePath();
      if (!dirspec.Exists() || !dirspec.IsDirectory())
        continue;

      std::vector<std::string> files;
      std::string dirname = dirspec.GetPath();

      files.push_back(dirname + "/" + symbol_filename);
      files.push_back(dirname + "/.debug/" + symbol_filename);
      files.push_back(dirname + "/.build-id/" + uuid_str);

      // Some debug files may stored in the module directory like this:
      //   /usr/lib/debug/usr/lib/library.so.debug
      if (!file_dir.IsEmpty())
        files.push_back(dirname + file_dir.AsCString() + "/" + symbol_filename);

      const uint32_t num_files = files.size();
      for (size_t idx_file = 0; idx_file < num_files; ++idx_file) {
        const std::string &filename = files[idx_file];
        FileSpec file_spec(filename, true);

        if (llvm::sys::fs::equivalent(file_spec.GetPath(),
                                      module_spec.GetFileSpec().GetPath()))
          continue;

        if (file_spec.Exists()) {
          lldb_private::ModuleSpecList specs;
          const size_t num_specs =
              ObjectFile::GetModuleSpecifications(file_spec, 0, 0, specs);
          assert(num_specs <= 1 &&
                 "Symbol Vendor supports only a single architecture");
          if (num_specs == 1) {
            ModuleSpec mspec;
            if (specs.GetModuleSpecAtIndex(0, mspec)) {
              if (mspec.GetUUID() == module_uuid)
                return file_spec;
            }
          }
        }
      }
    }
  }

  return LocateExecutableSymbolFileDsym(module_spec);
}

int LocateMacOSXFilesUsingDebugSymbols(const ModuleSpec &module_spec,
                                       ModuleSpec &return_module_spec) {
  return_module_spec = module_spec;
  return_module_spec.GetFileSpec().Clear();
  return_module_spec.GetSymbolFileSpec().Clear();

  int items_found = 0;

#if !defined(__arm__) && !defined(__arm64__) &&                                \
    !defined(__aarch64__) // No DebugSymbols on the iOS devices

  const UUID *uuid = module_spec.GetUUIDPtr();
  const ArchSpec *arch = module_spec.GetArchitecturePtr();

  if (uuid && uuid->IsValid()) {
    // Try and locate the dSYM file using DebugSymbols first
    const UInt8 *module_uuid = (const UInt8 *)uuid->GetBytes();
    if (module_uuid != NULL) {
      CFCReleaser<CFUUIDRef> module_uuid_ref(::CFUUIDCreateWithBytes(
          NULL, module_uuid[0], module_uuid[1], module_uuid[2], module_uuid[3],
          module_uuid[4], module_uuid[5], module_uuid[6], module_uuid[7],
          module_uuid[8], module_uuid[9], module_uuid[10], module_uuid[11],
          module_uuid[12], module_uuid[13], module_uuid[14], module_uuid[15]));

      if (module_uuid_ref.get()) {
        CFCReleaser<CFURLRef> exec_url;
        const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
        Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
        if (exec_fspec) {
          char exec_cf_path[PATH_MAX];
          if (exec_fspec->GetPath(exec_cf_path, sizeof(exec_cf_path)))
            exec_url.reset(::CFURLCreateFromFileSystemRepresentation(
                NULL, (const UInt8 *)exec_cf_path, strlen(exec_cf_path),
                FALSE));
        }

        CFCReleaser<CFURLRef> dsym_url(
            ::DBGCopyFullDSYMURLForUUID(module_uuid_ref.get(), exec_url.get()));
        char path[PATH_MAX];

        if (dsym_url.get()) {
          if (::CFURLGetFileSystemRepresentation(
                  dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) {
            if (log) {
              log->Printf("DebugSymbols framework returned dSYM path of %s for "
                          "UUID %s -- looking for the dSYM",
                          path, uuid->GetAsString().c_str());
            }
            FileSpec dsym_filespec(path, path[0] == '~');

            if (dsym_filespec.GetFileType() == FileSpec::eFileTypeDirectory) {
              dsym_filespec =
                  Symbols::FindSymbolFileInBundle(dsym_filespec, uuid, arch);
              ++items_found;
            } else {
              ++items_found;
            }
            return_module_spec.GetSymbolFileSpec() = dsym_filespec;
          }

          bool success = false;
          if (log) {
            if (::CFURLGetFileSystemRepresentation(
                    dsym_url.get(), true, (UInt8 *)path, sizeof(path) - 1)) {
              log->Printf("DebugSymbols framework returned dSYM path of %s for "
                          "UUID %s -- looking for an exec file",
                          path, uuid->GetAsString().c_str());
            }
          }

          CFCReleaser<CFDictionaryRef> dict(
              ::DBGCopyDSYMPropertyLists(dsym_url.get()));
          CFDictionaryRef uuid_dict = NULL;
          if (dict.get()) {
            CFCString uuid_cfstr(uuid->GetAsString().c_str());
            uuid_dict = static_cast<CFDictionaryRef>(
                ::CFDictionaryGetValue(dict.get(), uuid_cfstr.get()));
          }
          if (uuid_dict) {
            CFStringRef exec_cf_path =
                static_cast<CFStringRef>(::CFDictionaryGetValue(
                    uuid_dict, CFSTR("DBGSymbolRichExecutable")));
            if (exec_cf_path && ::CFStringGetFileSystemRepresentation(
                                    exec_cf_path, path, sizeof(path))) {
              if (log) {
                log->Printf("plist bundle has exec path of %s for UUID %s",
                            path, uuid->GetAsString().c_str());
              }
              ++items_found;
              FileSpec exec_filespec(path, path[0] == '~');
              if (exec_filespec.Exists()) {
                success = true;
                return_module_spec.GetFileSpec() = exec_filespec;
              }
            }
          }

          if (!success) {
            // No dictionary, check near the dSYM bundle for an executable that
            // matches...
//.........这里部分代码省略.........

static bool GetModuleSpecInfoFromUUIDDictionary(CFDictionaryRef uuid_dict,
                                                ModuleSpec &module_spec) {
  Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
  bool success = false;
  if (uuid_dict != NULL && CFGetTypeID(uuid_dict) == CFDictionaryGetTypeID()) {
    std::string str;
    CFStringRef cf_str;
    CFDictionaryRef cf_dict;

    cf_str = (CFStringRef)CFDictionaryGetValue(
        (CFDictionaryRef)uuid_dict, CFSTR("DBGSymbolRichExecutable"));
    if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
      if (CFCString::FileSystemRepresentation(cf_str, str)) {
        module_spec.GetFileSpec().SetFile(str.c_str(), true);
        if (log) {
          log->Printf(
              "From dsymForUUID plist: Symbol rich executable is at '%s'",
              str.c_str());
        }
      }
    }

    cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict,
                                               CFSTR("DBGDSYMPath"));
    if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
      if (CFCString::FileSystemRepresentation(cf_str, str)) {
        module_spec.GetSymbolFileSpec().SetFile(str.c_str(), true);
        success = true;
        if (log) {
          log->Printf("From dsymForUUID plist: dSYM is at '%s'", str.c_str());
        }
      }
    }

    cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict,
                                               CFSTR("DBGArchitecture"));
    if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
      if (CFCString::FileSystemRepresentation(cf_str, str))
        module_spec.GetArchitecture().SetTriple(str.c_str());
    }

    std::string DBGBuildSourcePath;
    std::string DBGSourcePath;

    cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict,
                                               CFSTR("DBGBuildSourcePath"));
    if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
      CFCString::FileSystemRepresentation(cf_str, DBGBuildSourcePath);
    }

    cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict,
                                               CFSTR("DBGSourcePath"));
    if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
      CFCString::FileSystemRepresentation(cf_str, DBGSourcePath);
    }

    if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty()) {
      if (DBGSourcePath[0] == '~') {
        FileSpec resolved_source_path(DBGSourcePath.c_str(), true);
        DBGSourcePath = resolved_source_path.GetPath();
      }
      module_spec.GetSourceMappingList().Append(
          ConstString(DBGBuildSourcePath.c_str()),
          ConstString(DBGSourcePath.c_str()), true);
    }

    cf_dict = (CFDictionaryRef)CFDictionaryGetValue(
        (CFDictionaryRef)uuid_dict, CFSTR("DBGSourcePathRemapping"));
    if (cf_dict && CFGetTypeID(cf_dict) == CFDictionaryGetTypeID()) {
      // If we see DBGVersion with a value of 2 or higher, this is a new style
      // DBGSourcePathRemapping dictionary
      bool new_style_source_remapping_dictionary = false;
      std::string original_DBGSourcePath_value = DBGSourcePath;
      cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict,
                                                 CFSTR("DBGVersion"));
      if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
        std::string version;
        CFCString::FileSystemRepresentation(cf_str, version);
        if (!version.empty() && isdigit(version[0])) {
          int version_number = atoi(version.c_str());
          if (version_number > 1) {
            new_style_source_remapping_dictionary = true;
          }
        }
      }

      CFIndex kv_pair_count = CFDictionaryGetCount((CFDictionaryRef)uuid_dict);
      if (kv_pair_count > 0) {
        CFStringRef *keys =
            (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef));
        CFStringRef *values =
            (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef));
        if (keys != nullptr && values != nullptr) {
          CFDictionaryGetKeysAndValues((CFDictionaryRef)uuid_dict,
                                       (const void **)keys,
                                       (const void **)values);
        }
        for (CFIndex i = 0; i < kv_pair_count; i++) {
          DBGBuildSourcePath.clear();
          DBGSourcePath.clear();
//.........这里部分代码省略.........

static bool GetModuleSpecInfoFromUUIDDictionary(CFDictionaryRef uuid_dict,
                                                ModuleSpec &module_spec) {
  Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
  bool success = false;
  if (uuid_dict != NULL && CFGetTypeID(uuid_dict) == CFDictionaryGetTypeID()) {
    std::string str;
    CFStringRef cf_str;
    CFDictionaryRef cf_dict;

    cf_str = (CFStringRef)CFDictionaryGetValue(
        (CFDictionaryRef)uuid_dict, CFSTR("DBGSymbolRichExecutable"));
    if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
      if (CFCString::FileSystemRepresentation(cf_str, str)) {
        module_spec.GetFileSpec().SetFile(str.c_str(), FileSpec::Style::native);
        FileSystem::Instance().Resolve(module_spec.GetFileSpec());
        if (log) {
          log->Printf(
              "From dsymForUUID plist: Symbol rich executable is at '%s'",
              str.c_str());
        }
      }
    }

    cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict,
                                               CFSTR("DBGDSYMPath"));
    if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
      if (CFCString::FileSystemRepresentation(cf_str, str)) {
        module_spec.GetSymbolFileSpec().SetFile(str.c_str(),
                                                FileSpec::Style::native);
        FileSystem::Instance().Resolve(module_spec.GetFileSpec());
        success = true;
        if (log) {
          log->Printf("From dsymForUUID plist: dSYM is at '%s'", str.c_str());
        }
      }
    }

    cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict,
                                               CFSTR("DBGArchitecture"));
    if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
      if (CFCString::FileSystemRepresentation(cf_str, str))
        module_spec.GetArchitecture().SetTriple(str.c_str());
    }

    std::string DBGBuildSourcePath;
    std::string DBGSourcePath;

    // If DBGVersion 1 or DBGVersion missing, ignore DBGSourcePathRemapping.
    // If DBGVersion 2, strip last two components of path remappings from
    //                  entries to fix an issue with a specific set of
    //                  DBGSourcePathRemapping entries that lldb worked
    //                  with.
    // If DBGVersion 3, trust & use the source path remappings as-is.
    //
    cf_dict = (CFDictionaryRef)CFDictionaryGetValue(
        (CFDictionaryRef)uuid_dict, CFSTR("DBGSourcePathRemapping"));
    if (cf_dict && CFGetTypeID(cf_dict) == CFDictionaryGetTypeID()) {
      // If we see DBGVersion with a value of 2 or higher, this is a new style
      // DBGSourcePathRemapping dictionary
      bool new_style_source_remapping_dictionary = false;
      bool do_truncate_remapping_names = false;
      std::string original_DBGSourcePath_value = DBGSourcePath;
      cf_str = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)uuid_dict,
                                                 CFSTR("DBGVersion"));
      if (cf_str && CFGetTypeID(cf_str) == CFStringGetTypeID()) {
        std::string version;
        CFCString::FileSystemRepresentation(cf_str, version);
        if (!version.empty() && isdigit(version[0])) {
          int version_number = atoi(version.c_str());
          if (version_number > 1) {
            new_style_source_remapping_dictionary = true;
          }
          if (version_number == 2) {
            do_truncate_remapping_names = true;
          }
        }
      }

      CFIndex kv_pair_count = CFDictionaryGetCount((CFDictionaryRef)uuid_dict);
      if (kv_pair_count > 0) {
        CFStringRef *keys =
            (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef));
        CFStringRef *values =
            (CFStringRef *)malloc(kv_pair_count * sizeof(CFStringRef));
        if (keys != nullptr && values != nullptr) {
          CFDictionaryGetKeysAndValues((CFDictionaryRef)uuid_dict,
                                       (const void **)keys,
                                       (const void **)values);
        }
        for (CFIndex i = 0; i < kv_pair_count; i++) {
          DBGBuildSourcePath.clear();
          DBGSourcePath.clear();
          if (keys[i] && CFGetTypeID(keys[i]) == CFStringGetTypeID()) {
            CFCString::FileSystemRepresentation(keys[i], DBGBuildSourcePath);
          }
          if (values[i] && CFGetTypeID(values[i]) == CFStringGetTypeID()) {
            CFCString::FileSystemRepresentation(values[i], DBGSourcePath);
          }
          if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty()) {
            // In the "old style" DBGSourcePathRemapping dictionary, the
//.........这里部分代码省略.........