diff --git a/linux-x64/clang/include/llvm/ToolDrivers/llvm-dlltool/DlltoolDriver.h b/linux-x64/clang/include/llvm/ToolDrivers/llvm-dlltool/DlltoolDriver.h
new file mode 100644
index 0000000..964b0f7
--- /dev/null
+++ b/linux-x64/clang/include/llvm/ToolDrivers/llvm-dlltool/DlltoolDriver.h
@@ -0,0 +1,24 @@
+//===- DlltoolDriver.h - dlltool.exe-compatible driver ----------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Defines an interface to a dlltool.exe-compatible driver.
+// Used by llvm-dlltool.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLDRIVERS_LLVM_DLLTOOL_DLLTOOLDRIVER_H
+#define LLVM_TOOLDRIVERS_LLVM_DLLTOOL_DLLTOOLDRIVER_H
+
+namespace llvm {
+template <typename T> class ArrayRef;
+
+int dlltoolDriverMain(ArrayRef<const char *> ArgsArr);
+} // namespace llvm
+
+#endif
diff --git a/linux-x64/clang/include/llvm/ToolDrivers/llvm-lib/LibDriver.h b/linux-x64/clang/include/llvm/ToolDrivers/llvm-lib/LibDriver.h
new file mode 100644
index 0000000..a4806ac
--- /dev/null
+++ b/linux-x64/clang/include/llvm/ToolDrivers/llvm-lib/LibDriver.h
@@ -0,0 +1,24 @@
+//===- llvm-lib/LibDriver.h - lib.exe-compatible driver ---------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Defines an interface to a lib.exe-compatible driver that also understands
+// bitcode files. Used by llvm-lib and lld-link /lib.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLDRIVERS_LLVM_LIB_LIBDRIVER_H
+#define LLVM_TOOLDRIVERS_LLVM_LIB_LIBDRIVER_H
+
+namespace llvm {
+template <typename T> class ArrayRef;
+
+int libDriverMain(ArrayRef<const char *> ARgs);
+}
+
+#endif