--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/mdll.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,81 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                                 M D L L                                  --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1992-2008, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
+-- for  more details.  You should have  received  a copy of the GNU General --
+-- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
+-- http://www.gnu.org/licenses for a complete copy of the license.          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This package provides the core high level routines used by GNATDLL
+--  to build Windows DLL
+
+with GNAT.OS_Lib;
+--  Should have USE here ???
+
+package MDLL is
+
+   subtype Argument_List is GNAT.OS_Lib.Argument_List;
+   subtype Argument_List_Access is GNAT.OS_Lib.Argument_List_Access;
+
+   Null_Argument_List : constant Argument_List := (1 .. 0 => new String'(""));
+
+   Null_Argument_List_Access : Argument_List_Access :=
+                                 new Argument_List (1 .. 0);
+
+   Tools_Error : exception;
+   --  Comment required
+
+   Verbose : Boolean := False;
+   Quiet   : Boolean := False;
+   --  Comment required ???
+
+   Kill_Suffix : Boolean := False;
+   --  Kill_Suffix is used by dlltool to know whether or not the @nn suffix
+   --  should be removed from the exported names. When Kill_Suffix is set to
+   --  True then dlltool -k option is used.
+
+   procedure Build_Dynamic_Library
+     (Ofiles        : Argument_List;
+      Afiles        : Argument_List;
+      Options       : Argument_List;
+      Bargs_Options : Argument_List;
+      Largs_Options : Argument_List;
+      Lib_Filename  : String;
+      Def_Filename  : String;
+      Lib_Address   : String  := "";
+      Build_Import  : Boolean := False;
+      Relocatable   : Boolean := False;
+      Map_File      : Boolean := False);
+   --  Build a DLL and the import library to link against the DLL.
+   --  this function handles relocatable and non relocatable DLL.
+   --  If the Afiles argument list contains some Ada units then it will
+   --  generate the right adainit and adafinal and integrate it in the DLL.
+   --  If the Afiles argument list is empty (there is only some object files
+   --  provided) then it will not try to build a binder file. This is ok to
+   --  build DLL containing no Ada code. If Map_File is set to True, a map
+   --  file named Lib_Filename & ".map" will be created.
+
+   procedure Build_Import_Library
+     (Lib_Filename : String;
+      Def_Filename : String);
+   --  Build an import library (.a) from a definition files. An import library
+   --  is needed to link against a DLL.
+
+end MDLL;