Пример #1
0
int llvm::libDriverMain(llvm::ArrayRef<const char*> ArgsArr) {
  SmallVector<const char *, 20> NewArgs(ArgsArr.begin(), ArgsArr.end());
  BumpPtrAllocator Alloc;
  BumpPtrStringSaver Saver(Alloc);
  cl::ExpandResponseFiles(Saver, cl::TokenizeWindowsCommandLine, NewArgs);
  ArgsArr = NewArgs;

  LibOptTable Table;
  unsigned MissingIndex;
  unsigned MissingCount;
  llvm::opt::InputArgList Args =
      Table.ParseArgs(ArgsArr.slice(1), MissingIndex, MissingCount);
  if (MissingCount) {
    llvm::errs() << "missing arg value for \""
                 << Args.getArgString(MissingIndex) << "\", expected "
                 << MissingCount
                 << (MissingCount == 1 ? " argument.\n" : " arguments.\n");
    return 1;
  }
  for (auto *Arg : Args.filtered(OPT_UNKNOWN))
    llvm::errs() << "ignoring unknown argument: " << Arg->getSpelling() << "\n";

  if (Args.filtered_begin(OPT_INPUT) == Args.filtered_end()) {
    llvm::errs() << "no input files.\n";
    return 1;
  }

  std::vector<StringRef> SearchPaths = getSearchPaths(&Args, Saver);

  std::vector<llvm::NewArchiveIterator> Members;
  for (auto *Arg : Args.filtered(OPT_INPUT)) {
    Optional<std::string> Path = findInputFile(Arg->getValue(), SearchPaths);
    if (!Path.hasValue()) {
      llvm::errs() << Arg->getValue() << ": no such file or directory\n";
      return 1;
    }
    Members.emplace_back(Saver.save(*Path),
                         llvm::sys::path::filename(Arg->getValue()));
  }

  std::pair<StringRef, std::error_code> Result =
      llvm::writeArchive(getOutputPath(&Args, Members[0]), Members,
                         /*WriteSymtab=*/true, object::Archive::K_GNU,
                         /*Deterministic*/ true, /*Thin*/ false);

  if (Result.second) {
    if (Result.first.empty())
      Result.first = ArgsArr[0];
    llvm::errs() << Result.first << ": " << Result.second.message() << "\n";
    return 1;
  }

  return 0;
}
Пример #2
0
bool CoreDriver::parse(llvm::ArrayRef<const char *> args,
                       CoreLinkingContext &ctx, raw_ostream &diagnostics) {
  // Parse command line options using CoreOptions.td
  CoreOptTable table;
  unsigned missingIndex;
  unsigned missingCount;
  llvm::opt::InputArgList parsedArgs =
      table.ParseArgs(args.slice(1), missingIndex, missingCount);
  if (missingCount) {
    diagnostics << "error: missing arg value for '"
                << parsedArgs.getArgString(missingIndex) << "' expected "
                << missingCount << " argument(s).\n";
    return false;
  }

  // Set default options
  ctx.setOutputPath("-");
  ctx.setDeadStripping(false);
  ctx.setGlobalsAreDeadStripRoots(false);
  ctx.setPrintRemainingUndefines(false);
  ctx.setAllowRemainingUndefines(true);
  ctx.setSearchArchivesToOverrideTentativeDefinitions(false);

  // Process all the arguments and create input files.
  for (auto inputArg : parsedArgs) {
    switch (inputArg->getOption().getID()) {
    case OPT_mllvm:
      ctx.appendLLVMOption(inputArg->getValue());
      break;

    case OPT_entry:
      ctx.setEntrySymbolName(inputArg->getValue());
      break;

    case OPT_output:
      ctx.setOutputPath(inputArg->getValue());
      break;

    case OPT_dead_strip:
      ctx.setDeadStripping(true);
      break;

    case OPT_keep_globals:
      ctx.setGlobalsAreDeadStripRoots(true);
      break;

    case OPT_undefines_are_errors:
      ctx.setPrintRemainingUndefines(true);
      ctx.setAllowRemainingUndefines(false);
      break;

    case OPT_commons_search_archives:
      ctx.setSearchArchivesToOverrideTentativeDefinitions(true);
      break;

    case OPT_add_pass:
      ctx.addPassNamed(inputArg->getValue());
      break;

    case OPT_INPUT: {
      std::vector<std::unique_ptr<File>> files
        = loadFile(ctx, inputArg->getValue(), false);
      for (std::unique_ptr<File> &file : files)
        ctx.getNodes().push_back(llvm::make_unique<FileNode>(std::move(file)));
      break;
    }

    default:
      break;
    }
  }

  if (ctx.getNodes().empty()) {
    diagnostics << "No input files\n";
    return false;
  }

  // Validate the combination of options used.
  return ctx.validate(diagnostics);
}
Пример #3
0
void BuildSystemInvocation::parse(llvm::ArrayRef<std::string> args,
                                  llvm::SourceMgr& sourceMgr) {
  auto error = [&](const Twine &message) {
    sourceMgr.PrintMessage(llvm::SMLoc{}, llvm::SourceMgr::DK_Error, message);
    hadErrors = true;
  };

  while (!args.empty()) {
    const auto& option = args.front();
    args = args.slice(1);

    if (option == "-") {
      for (const auto& arg: args) {
        positionalArgs.push_back(arg);
      }
      break;
    }

    if (!option.empty() && option[0] != '-') {
      positionalArgs.push_back(option);
      continue;
    }
    
    if (option == "--help") {
      showUsage = true;
      break;
    } else if (option == "--version") {
      showVersion = true;
      break;
    } else if (option == "--no-db") {
      dbPath = "";
    } else if (option == "--db") {
      if (args.empty()) {
        error("missing argument to '" + option + "'");
        break;
      }
      dbPath = args[0];
      args = args.slice(1);
    } else if (option == "-C" || option == "--chdir") {
      if (args.empty()) {
        error("missing argument to '" + option + "'");
        break;
      }
      chdirPath = args[0];
      args = args.slice(1);
    } else if (option == "-f") {
      if (args.empty()) {
        error("missing argument to '" + option + "'");
        break;
      }
      buildFilePath = args[0];
      args = args.slice(1);
    } else if (option == "--serial") {
      useSerialBuild = true;
    } else if (option == "-v" || option == "--verbose") {
      showVerboseStatus = true;
    } else if (option == "--trace") {
      if (args.empty()) {
        error("missing argument to '" + option + "'");
        break;
      }
      traceFilePath = args[0];
      args = args.slice(1);
    } else {
      error("invalid option '" + option + "'");
      break;
    }
  }
}
Пример #4
0
bool GnuLdDriver::parse(llvm::ArrayRef<const char *> args,
                        std::unique_ptr<ELFLinkingContext> &context,
                        raw_ostream &diag) {
  // Parse command line options using GnuLdOptions.td
  GnuLdOptTable table;
  unsigned missingIndex;
  unsigned missingCount;

  llvm::opt::InputArgList parsedArgs =
      table.ParseArgs(args.slice(1), missingIndex, missingCount);
  if (missingCount) {
    diag << "error: missing arg value for '"
         << parsedArgs.getArgString(missingIndex) << "' expected "
         << missingCount << " argument(s).\n";
    return false;
  }

  // Handle --help
  if (parsedArgs.hasArg(OPT_help)) {
    table.PrintHelp(llvm::outs(), args[0], "LLVM Linker", false);
    return true;
  }

  // Use -target or use default target triple to instantiate LinkingContext
  llvm::Triple baseTriple;
  if (auto *arg = parsedArgs.getLastArg(OPT_target)) {
    baseTriple = llvm::Triple(arg->getValue());
  } else {
    baseTriple = getDefaultTarget(args[0]);
  }
  llvm::Triple triple(baseTriple);

  if (!applyEmulation(triple, parsedArgs, diag))
    return false;

  std::unique_ptr<ELFLinkingContext> ctx(createELFLinkingContext(triple));

  if (!ctx) {
    diag << "unknown target triple\n";
    return false;
  }

  // Copy mllvm
  for (auto *arg : parsedArgs.filtered(OPT_mllvm))
    ctx->appendLLVMOption(arg->getValue());

  // Ignore unknown arguments.
  for (auto unknownArg : parsedArgs.filtered(OPT_UNKNOWN))
    diag << "warning: ignoring unknown argument: "
         << unknownArg->getValue() << "\n";

  // Set sys root path.
  if (auto *arg = parsedArgs.getLastArg(OPT_sysroot))
    ctx->setSysroot(arg->getValue());

  // Handle --demangle option(For compatibility)
  if (parsedArgs.hasArg(OPT_demangle))
    ctx->setDemangleSymbols(true);

  // Handle --no-demangle option.
  if (parsedArgs.hasArg(OPT_no_demangle))
    ctx->setDemangleSymbols(false);

  // Figure out output kind (-r, -static, -shared)
  if (parsedArgs.hasArg(OPT_relocatable)) {
    ctx->setOutputELFType(llvm::ELF::ET_REL);
    ctx->setPrintRemainingUndefines(false);
    ctx->setAllowRemainingUndefines(true);
  }

  if (parsedArgs.hasArg(OPT_static)) {
    ctx->setOutputELFType(llvm::ELF::ET_EXEC);
    ctx->setIsStaticExecutable(true);
  }

  if (parsedArgs.hasArg(OPT_shared)) {
    ctx->setOutputELFType(llvm::ELF::ET_DYN);
    ctx->setAllowShlibUndefines(true);
    ctx->setUseShlibUndefines(false);
    ctx->setPrintRemainingUndefines(false);
    ctx->setAllowRemainingUndefines(true);
  }

  // Handle --stats.
  if (parsedArgs.hasArg(OPT_stats)) {
    ctx->setCollectStats(true);
  }

  // Figure out if the output type is nmagic/omagic
  if (auto *arg =
          parsedArgs.getLastArg(OPT_nmagic, OPT_omagic, OPT_no_omagic)) {
    switch (arg->getOption().getID()) {
    case OPT_nmagic:
      ctx->setOutputMagic(ELFLinkingContext::OutputMagic::NMAGIC);
      ctx->setIsStaticExecutable(true);
      break;
    case OPT_omagic:
      ctx->setOutputMagic(ELFLinkingContext::OutputMagic::OMAGIC);
      ctx->setIsStaticExecutable(true);
      break;
    case OPT_no_omagic:
      ctx->setOutputMagic(ELFLinkingContext::OutputMagic::DEFAULT);
      ctx->setNoAllowDynamicLibraries();
      break;
    }
  }

  if (parsedArgs.hasArg(OPT_discard_loc))
    ctx->setDiscardLocals(true);

  if (parsedArgs.hasArg(OPT_discard_temp_loc))
    ctx->setDiscardTempLocals(true);

  if (parsedArgs.hasArg(OPT_strip_all))
    ctx->setStripSymbols(true);

  if (auto *arg = parsedArgs.getLastArg(OPT_soname))
    ctx->setSharedObjectName(arg->getValue());

  if (parsedArgs.hasArg(OPT_rosegment))
    ctx->setCreateSeparateROSegment();

  if (parsedArgs.hasArg(OPT_no_align_segments))
    ctx->setAlignSegments(false);

  if (auto *arg = parsedArgs.getLastArg(OPT_image_base)) {
    uint64_t baseAddress = 0;
    StringRef inputValue = arg->getValue();
    if (inputValue.getAsInteger(0, baseAddress) || !baseAddress) {
      diag << "invalid value for image base " << inputValue << "\n";
      return false;
    }
    ctx->setBaseAddress(baseAddress);
  }

  if (parsedArgs.hasArg(OPT_merge_strings))
    ctx->setMergeCommonStrings(true);

  if (parsedArgs.hasArg(OPT_t))
    ctx->setLogInputFiles(true);

  if (parsedArgs.hasArg(OPT_use_shlib_undefs))
    ctx->setUseShlibUndefines(true);

  if (auto val = getBool(parsedArgs, OPT_allow_shlib_undefs,
                         OPT_no_allow_shlib_undefs))
    ctx->setAllowShlibUndefines(*val);

  if (auto *arg = parsedArgs.getLastArg(OPT_e))
    ctx->setEntrySymbolName(arg->getValue());

  if (auto *arg = parsedArgs.getLastArg(OPT_output))
    ctx->setOutputPath(arg->getValue());

  if (parsedArgs.hasArg(OPT_noinhibit_exec))
    ctx->setAllowRemainingUndefines(true);

  if (auto val = getBool(parsedArgs, OPT_export_dynamic, OPT_no_export_dynamic))
    ctx->setExportDynamic(*val);

  if (parsedArgs.hasArg(OPT_allow_multiple_definition))
    ctx->setAllowDuplicates(true);

  if (auto *arg = parsedArgs.getLastArg(OPT_dynamic_linker))
    ctx->setInterpreter(arg->getValue());

  if (auto *arg = parsedArgs.getLastArg(OPT_init))
    ctx->setInitFunction(arg->getValue());

  if (auto *arg = parsedArgs.getLastArg(OPT_fini))
    ctx->setFiniFunction(arg->getValue());

  if (auto *arg = parsedArgs.getLastArg(OPT_output_filetype))
    ctx->setOutputFileType(arg->getValue());

  // Process ELF/ARM specific options
  bool hasArmTarget1Rel = parsedArgs.hasArg(OPT_target1_rel);
  bool hasArmTarget1Abs = parsedArgs.hasArg(OPT_target1_abs);
  if (triple.getArch() == llvm::Triple::arm) {
    if (hasArmTarget1Rel && hasArmTarget1Abs) {
      diag << "error: options --target1-rel and --target1-abs"
              " can't be used together.\n";
      return false;
    } else if (hasArmTarget1Rel || hasArmTarget1Abs) {
      ctx->setArmTarget1Rel(hasArmTarget1Rel && !hasArmTarget1Abs);
    }
  } else {
    for (const auto *arg : parsedArgs.filtered(OPT_grp_arm_targetopts)) {
      diag << "warning: ignoring unsupported ARM/ELF specific argument: "
           << arg->getSpelling() << "\n";
    }
  }

  // Process MIPS specific options.
  if (triple.getArch() == llvm::Triple::mips ||
      triple.getArch() == llvm::Triple::mipsel ||
      triple.getArch() == llvm::Triple::mips64 ||
      triple.getArch() == llvm::Triple::mips64el) {
    ctx->setMipsPcRelEhRel(parsedArgs.hasArg(OPT_pcrel_eh_reloc));
    auto *hashArg = parsedArgs.getLastArg(OPT_hash_style);
    if (hashArg && hashArg->getValue() != StringRef("sysv")) {
      diag << "error: .gnu.hash is incompatible with the MIPS ABI\n";
      return false;
    }
  }
  else {
    for (const auto *arg : parsedArgs.filtered(OPT_grp_mips_targetopts)) {
      diag << "warning: ignoring unsupported MIPS specific argument: "
           << arg->getSpelling() << "\n";
    }
  }

  for (auto *arg : parsedArgs.filtered(OPT_L))
    ctx->addSearchPath(arg->getValue());

  // Add the default search directory specific to the target.
  if (!parsedArgs.hasArg(OPT_nostdlib))
    addPlatformSearchDirs(*ctx, triple, baseTriple);

  for (auto *arg : parsedArgs.filtered(OPT_u))
    ctx->addInitialUndefinedSymbol(arg->getValue());

  for (auto *arg : parsedArgs.filtered(OPT_defsym)) {
    StringRef sym, target;
    uint64_t addr;
    if (parseDefsymAsAbsolute(arg->getValue(), sym, addr)) {
      ctx->addInitialAbsoluteSymbol(sym, addr);
    } else if (parseDefsymAsAlias(arg->getValue(), sym, target)) {
      ctx->addAlias(sym, target);
    } else {
      diag << "invalid --defsym: " << arg->getValue() << "\n";
      return false;
    }
  }

  for (auto *arg : parsedArgs.filtered(OPT_z)) {
    StringRef opt = arg->getValue();
    if (opt == "muldefs")
      ctx->setAllowDuplicates(true);
    else if (opt == "now")
      ctx->setDTFlag(ELFLinkingContext::DTFlag::DT_NOW);
    else if (opt == "origin")
      ctx->setDTFlag(ELFLinkingContext::DTFlag::DT_ORIGIN);
    else if (opt.startswith("max-page-size")) {
      // Parse -z max-page-size option.
      // The default page size is considered the minimum page size the user
      // can set, check the user input if its atleast the minimum page size
      // and does not exceed the maximum page size allowed for the target.
      uint64_t maxPageSize = 0;

      // Error if the page size user set is less than the maximum page size
      // and greather than the default page size and the user page size is a
      // modulo of the default page size.
      if ((!parseMaxPageSize(opt, maxPageSize)) ||
          (maxPageSize < ctx->getPageSize()) ||
          (maxPageSize % ctx->getPageSize())) {
        diag << "invalid option: " << opt << "\n";
        return false;
      }
      ctx->setMaxPageSize(maxPageSize);
    } else {
      diag << "warning: ignoring unknown argument for -z: " << opt << "\n";
    }
  }

  for (auto *arg : parsedArgs.filtered(OPT_rpath)) {
    SmallVector<StringRef, 2> rpaths;
    StringRef(arg->getValue()).split(rpaths, ":");
    for (auto path : rpaths)
      ctx->addRpath(path);
  }

  for (auto *arg : parsedArgs.filtered(OPT_rpath_link)) {
    SmallVector<StringRef, 2> rpaths;
    StringRef(arg->getValue()).split(rpaths, ":");
    for (auto path : rpaths)
      ctx->addRpathLink(path);
  }

  // Enable new dynamic tags.
  if (parsedArgs.hasArg(OPT_enable_newdtags))
    ctx->setEnableNewDtags(true);

  // Support --wrap option.
  for (auto *arg : parsedArgs.filtered(OPT_wrap))
    ctx->addWrapForSymbol(arg->getValue());

  // Register possible input file parsers.
  ctx->registry().addSupportELFObjects(*ctx);
  ctx->registry().addSupportArchives(ctx->logInputFiles());
  ctx->registry().addSupportYamlFiles();
  if (ctx->allowLinkWithDynamicLibraries())
    ctx->registry().addSupportELFDynamicSharedObjects(*ctx);

  std::stack<int> groupStack;
  int numfiles = 0;
  bool asNeeded = false;
  bool wholeArchive = false;

  // Process files
  for (auto arg : parsedArgs) {
    switch (arg->getOption().getID()) {
    case OPT_no_whole_archive:
      wholeArchive = false;
      break;

    case OPT_whole_archive:
      wholeArchive = true;
      break;

    case OPT_as_needed:
      asNeeded = true;
      break;

    case OPT_no_as_needed:
      asNeeded = false;
      break;

    case OPT_start_group:
      groupStack.push(numfiles);
      break;

    case OPT_end_group: {
      if (groupStack.empty()) {
        diag << "stray --end-group\n";
        return false;
      }
      int startGroupPos = groupStack.top();
      ctx->getNodes().push_back(
          llvm::make_unique<GroupEnd>(numfiles - startGroupPos));
      groupStack.pop();
      break;
    }

    case OPT_INPUT:
    case OPT_l:
    case OPT_T: {
      bool dashL = (arg->getOption().getID() == OPT_l);
      StringRef path = arg->getValue();

      ErrorOr<StringRef> pathOrErr = findFile(*ctx, path, dashL);
      if (std::error_code ec = pathOrErr.getError()) {
        auto file = llvm::make_unique<ErrorFile>(path, ec);
        auto node = llvm::make_unique<FileNode>(std::move(file));
        node->setAsNeeded(asNeeded);
        ctx->getNodes().push_back(std::move(node));
        break;
      }
      StringRef realpath = pathOrErr.get();

      bool isScript =
          (!path.endswith(".objtxt") && isLinkerScript(realpath, diag));
      if (isScript) {
        if (ctx->logInputFiles())
          diag << path << "\n";
        ErrorOr<std::unique_ptr<MemoryBuffer>> mb =
          MemoryBuffer::getFileOrSTDIN(realpath);
        if (std::error_code ec = mb.getError()) {
          diag << "Cannot open " << path << ": " << ec.message() << "\n";
          return false;
        }
        bool nostdlib = parsedArgs.hasArg(OPT_nostdlib);
        std::error_code ec =
            evalLinkerScript(*ctx, std::move(mb.get()), diag, nostdlib);
        if (ec) {
          diag << path << ": Error parsing linker script: "
               << ec.message() << "\n";
          return false;
        }
        break;
      }
      std::vector<std::unique_ptr<File>> files
          = loadFile(*ctx, realpath, wholeArchive);
      for (std::unique_ptr<File> &file : files) {
        if (ctx->logInputFiles())
          diag << file->path() << "\n";
        auto node = llvm::make_unique<FileNode>(std::move(file));
        node->setAsNeeded(asNeeded);
        ctx->getNodes().push_back(std::move(node));
      }
      numfiles += files.size();
      break;
    }
    }
  }

  if (ctx->getNodes().empty()) {
    diag << "No input files\n";
    return false;
  }

  // Set default output file name if the output file was not specified.
  if (ctx->outputPath().empty()) {
    switch (ctx->outputFileType()) {
    case LinkingContext::OutputFileType::YAML:
      ctx->setOutputPath("-");
      break;
    default:
      ctx->setOutputPath("a.out");
      break;
    }
  }

  // Validate the combination of options used.
  if (!ctx->validate(diag))
    return false;

  // Perform linker script semantic actions
  if (auto ec = ctx->linkerScriptSema().perform()) {
    diag << "Error in the linker script's semantics: " << ec.message() << "\n";
    return false;
  }

  context.swap(ctx);
  return true;
}
Пример #5
0
int llvm::dlltoolDriverMain(llvm::ArrayRef<const char *> ArgsArr) {
  DllOptTable Table;
  unsigned MissingIndex;
  unsigned MissingCount;
  llvm::opt::InputArgList Args =
      Table.ParseArgs(ArgsArr.slice(1), MissingIndex, MissingCount);
  if (MissingCount) {
    llvm::errs() << Args.getArgString(MissingIndex) << ": missing argument\n";
    return 1;
  }

  // Handle when no input or output is specified
  if (Args.hasArgNoClaim(OPT_INPUT) ||
      (!Args.hasArgNoClaim(OPT_d) && !Args.hasArgNoClaim(OPT_l))) {
    Table.PrintHelp(outs(), ArgsArr[0], "dlltool", false);
    llvm::outs() << "\nTARGETS: i386, i386:x86-64, arm\n";
    return 1;
  }

  if (!Args.hasArgNoClaim(OPT_m) && Args.hasArgNoClaim(OPT_d)) {
    llvm::errs() << "error: no target machine specified\n"
                 << "supported targets: i386, i386:x86-64, arm\n";
    return 1;
  }

  for (auto *Arg : Args.filtered(OPT_UNKNOWN))
    llvm::errs() << "ignoring unknown argument: " << Arg->getSpelling() << "\n";

  if (!Args.hasArg(OPT_d)) {
    llvm::errs() << "no definition file specified\n";
    return 1;
  }

  std::unique_ptr<MemoryBuffer> MB =
      openFile(Args.getLastArg(OPT_d)->getValue());
  if (!MB)
    return 1;

  if (!MB->getBufferSize()) {
    llvm::errs() << "definition file empty\n";
    return 1;
  }

  COFF::MachineTypes Machine = IMAGE_FILE_MACHINE_UNKNOWN;
  if (auto *Arg = Args.getLastArg(OPT_m))
    Machine = getEmulation(Arg->getValue());

  if (Machine == IMAGE_FILE_MACHINE_UNKNOWN) {
    llvm::errs() << "unknown target\n";
    return 1;
  }

  Expected<COFFModuleDefinition> Def =
      parseCOFFModuleDefinition(*MB, Machine, true);

  if (!Def) {
    llvm::errs() << "error parsing definition\n"
                 << errorToErrorCode(Def.takeError()).message();
    return 1;
  }

  // Do this after the parser because parseCOFFModuleDefinition sets OutputFile.
  if (auto *Arg = Args.getLastArg(OPT_D))
    Def->OutputFile = Arg->getValue();

  if (Def->OutputFile.empty()) {
    llvm::errs() << "no output file specified\n";
    return 1;
  }

  std::string Path = Args.getLastArgValue(OPT_l);
  if (Path.empty())
    Path = getImplibPath(Def->OutputFile);

  if (Machine == IMAGE_FILE_MACHINE_I386 && Args.getLastArg(OPT_k)) {
    for (COFFShortExport& E : Def->Exports) {
      if (E.isWeak() || (!E.Name.empty() && E.Name[0] == '?'))
        continue;
      E.SymbolName = E.Name;
      // Trim off the trailing decoration. Symbols will always have a
      // starting prefix here (either _ for cdecl/stdcall, @ for fastcall
      // or ? for C++ functions). (Vectorcall functions also will end up having
      // a prefix here, even if they shouldn't.)
      E.Name = E.Name.substr(0, E.Name.find('@', 1));
      // By making sure E.SymbolName != E.Name for decorated symbols,
      // writeImportLibrary writes these symbols with the type
      // IMPORT_NAME_UNDECORATE.
    }
  }

  if (writeImportLibrary(Def->OutputFile, Path, Def->Exports, Machine, true))
    return 1;
  return 0;
}