--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/a-timoio.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,85 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--               A D A . T E X T _ I O . M O D U L A R _ I O                --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1993-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. The copyright notice above, and the license provisions that follow --
+-- apply solely to the  contents of the part following the private keyword. --
+--                                                                          --
+-- 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.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  In Ada 95, the package Ada.Text_IO.Modular_IO is a subpackage of Text_IO.
+--  This is for compatibility with Ada 83. In GNAT we make it a child package
+--  to avoid loading the necessary code if Modular_IO is not instantiated.
+--  See routine Rtsfind.Check_Text_IO_Special_Unit for a description of how
+--  we patch up the difference in semantics so that it is invisible to the
+--  Ada programmer.
+
+private generic
+   type Num is mod <>;
+
+package Ada.Text_IO.Modular_IO is
+
+   Default_Width : Field := Num'Width;
+   Default_Base  : Number_Base := 10;
+
+   procedure Get
+     (File  : File_Type;
+      Item  : out Num;
+      Width : Field := 0);
+
+   procedure Get
+     (Item  : out Num;
+      Width : Field := 0);
+
+   procedure Put
+     (File  : File_Type;
+      Item  : Num;
+      Width : Field := Default_Width;
+      Base  : Number_Base := Default_Base);
+
+   procedure Put
+     (Item  : Num;
+      Width : Field := Default_Width;
+      Base  : Number_Base := Default_Base);
+
+   procedure Get
+     (From : String;
+      Item : out Num;
+      Last : out Positive);
+
+   procedure Put
+     (To   : out String;
+      Item : Num;
+      Base : Number_Base := Default_Base);
+
+private
+   pragma Inline (Get);
+   pragma Inline (Put);
+
+end Ada.Text_IO.Modular_IO;