--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnarl/a-intnam.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,46 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--                 A D A . I N T E R R U P T S . N A M E S                  --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1995-2017, 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.                                     --
+--                                                                          --
+-- 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/>.                                          --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  The standard implementation of this spec contains only dummy interrupt
+--  names. These dummy entries permit checking out code for correctness of
+--  semantics, even if interrupts are not supported.
+
+--  For specific implementations that fully support interrupts, this package
+--  spec is replaced by an implementation dependent version that defines the
+--  interrupts available on the system.
+
+package Ada.Interrupts.Names is
+
+   --  All identifiers in this unit are implementation defined
+
+   pragma Implementation_Defined;
+
+   DUMMY_INTERRUPT_1 : constant Interrupt_ID := 1;
+   DUMMY_INTERRUPT_2 : constant Interrupt_ID := 2;
+
+end Ada.Interrupts.Names;