--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnarl/s-interr__dummy.adb	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,307 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                  GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                --
+--                                                                          --
+--                     S Y S T E M . I N T E R R U P T S                    --
+--                                                                          --
+--                                  B o d y                                 --
+--                                                                          --
+--             Copyright (C) 1991-2017, Florida State University            --
+--                     Copyright (C) 1995-2017, AdaCore                     --
+--                                                                          --
+-- 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/>.                                          --
+--                                                                          --
+-- GNARL was developed by the GNARL team at Florida State University.       --
+-- Extensive contributions were provided by Ada Core Technologies, Inc.     --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This version is for systems that do not support interrupts (or signals)
+
+package body System.Interrupts is
+
+   pragma Warnings (Off); -- kill warnings on unreferenced formals
+
+   use System.Tasking;
+
+   -----------------------
+   -- Local Subprograms --
+   -----------------------
+
+   procedure Unimplemented;
+   --  This procedure raises a Program_Error with an appropriate message
+   --  indicating that an unimplemented feature has been used.
+
+   --------------------
+   -- Attach_Handler --
+   --------------------
+
+   procedure Attach_Handler
+     (New_Handler : Parameterless_Handler;
+      Interrupt   : Interrupt_ID;
+      Static      : Boolean := False)
+   is
+   begin
+      Unimplemented;
+   end Attach_Handler;
+
+   -----------------------------
+   -- Bind_Interrupt_To_Entry --
+   -----------------------------
+
+   procedure Bind_Interrupt_To_Entry
+     (T       : Task_Id;
+      E       : Task_Entry_Index;
+      Int_Ref : System.Address)
+   is
+   begin
+      Unimplemented;
+   end Bind_Interrupt_To_Entry;
+
+   ---------------------
+   -- Block_Interrupt --
+   ---------------------
+
+   procedure Block_Interrupt (Interrupt : Interrupt_ID) is
+   begin
+      Unimplemented;
+   end Block_Interrupt;
+
+   ---------------------
+   -- Current_Handler --
+   ---------------------
+
+   function Current_Handler
+     (Interrupt : Interrupt_ID) return Parameterless_Handler
+   is
+   begin
+      Unimplemented;
+      return null;
+   end Current_Handler;
+
+   --------------------
+   -- Detach_Handler --
+   --------------------
+
+   procedure Detach_Handler
+     (Interrupt : Interrupt_ID;
+      Static    : Boolean := False)
+   is
+   begin
+      Unimplemented;
+   end Detach_Handler;
+
+   ------------------------------
+   -- Detach_Interrupt_Entries --
+   ------------------------------
+
+   procedure Detach_Interrupt_Entries (T : Task_Id) is
+   begin
+      Unimplemented;
+   end Detach_Interrupt_Entries;
+
+   ----------------------
+   -- Exchange_Handler --
+   ----------------------
+
+   procedure Exchange_Handler
+     (Old_Handler : out Parameterless_Handler;
+      New_Handler : Parameterless_Handler;
+      Interrupt   : Interrupt_ID;
+      Static      : Boolean := False)
+   is
+   begin
+      Old_Handler := null;
+      Unimplemented;
+   end Exchange_Handler;
+
+   --------------
+   -- Finalize --
+   --------------
+
+   procedure Finalize (Object : in out Static_Interrupt_Protection) is
+   begin
+      Unimplemented;
+   end Finalize;
+
+   -------------------------------------
+   -- Has_Interrupt_Or_Attach_Handler --
+   -------------------------------------
+
+   function Has_Interrupt_Or_Attach_Handler
+     (Object : access Dynamic_Interrupt_Protection)
+      return   Boolean
+   is
+      pragma Warnings (Off, Object);
+   begin
+      Unimplemented;
+      return True;
+   end Has_Interrupt_Or_Attach_Handler;
+
+   function Has_Interrupt_Or_Attach_Handler
+     (Object : access Static_Interrupt_Protection)
+      return   Boolean
+   is
+      pragma Warnings (Off, Object);
+   begin
+      Unimplemented;
+      return True;
+   end Has_Interrupt_Or_Attach_Handler;
+
+   ----------------------
+   -- Ignore_Interrupt --
+   ----------------------
+
+   procedure Ignore_Interrupt (Interrupt : Interrupt_ID) is
+   begin
+      Unimplemented;
+   end Ignore_Interrupt;
+
+   ----------------------
+   -- Install_Handlers --
+   ----------------------
+
+   procedure Install_Handlers
+     (Object       : access Static_Interrupt_Protection;
+      New_Handlers : New_Handler_Array)
+   is
+   begin
+      Unimplemented;
+   end Install_Handlers;
+
+   ---------------------------------
+   -- Install_Restricted_Handlers --
+   ---------------------------------
+
+   procedure Install_Restricted_Handlers
+     (Prio     : Any_Priority;
+      Handlers : New_Handler_Array)
+   is
+   begin
+      Unimplemented;
+   end Install_Restricted_Handlers;
+
+   ----------------
+   -- Is_Blocked --
+   ----------------
+
+   function Is_Blocked (Interrupt : Interrupt_ID) return Boolean is
+   begin
+      Unimplemented;
+      return True;
+   end Is_Blocked;
+
+   -----------------------
+   -- Is_Entry_Attached --
+   -----------------------
+
+   function Is_Entry_Attached (Interrupt : Interrupt_ID) return Boolean is
+   begin
+      Unimplemented;
+      return True;
+   end Is_Entry_Attached;
+
+   -------------------------
+   -- Is_Handler_Attached --
+   -------------------------
+
+   function Is_Handler_Attached (Interrupt : Interrupt_ID) return Boolean is
+   begin
+      Unimplemented;
+      return True;
+   end Is_Handler_Attached;
+
+   ----------------
+   -- Is_Ignored --
+   ----------------
+
+   function Is_Ignored (Interrupt : Interrupt_ID) return Boolean is
+   begin
+      Unimplemented;
+      return True;
+   end Is_Ignored;
+
+   -----------------
+   -- Is_Reserved --
+   -----------------
+
+   function Is_Reserved (Interrupt : Interrupt_ID) return Boolean is
+   begin
+      Unimplemented;
+      return True;
+   end Is_Reserved;
+
+   ---------------
+   -- Reference --
+   ---------------
+
+   function Reference (Interrupt : Interrupt_ID) return System.Address is
+   begin
+      Unimplemented;
+      return Interrupt'Address;
+   end Reference;
+
+   --------------------------------
+   -- Register_Interrupt_Handler --
+   --------------------------------
+
+   procedure Register_Interrupt_Handler
+     (Handler_Addr : System.Address)
+   is
+   begin
+      Unimplemented;
+   end Register_Interrupt_Handler;
+
+   -----------------------
+   -- Unblock_Interrupt --
+   -----------------------
+
+   procedure Unblock_Interrupt (Interrupt : Interrupt_ID) is
+   begin
+      Unimplemented;
+   end Unblock_Interrupt;
+
+   ------------------
+   -- Unblocked_By --
+   ------------------
+
+   function Unblocked_By (Interrupt : Interrupt_ID)
+     return System.Tasking.Task_Id is
+   begin
+      Unimplemented;
+      return null;
+   end Unblocked_By;
+
+   ------------------------
+   -- Unignore_Interrupt --
+   ------------------------
+
+   procedure Unignore_Interrupt (Interrupt : Interrupt_ID) is
+   begin
+      Unimplemented;
+   end Unignore_Interrupt;
+
+   -------------------
+   -- Unimplemented; --
+   -------------------
+
+   procedure Unimplemented is
+   begin
+      raise Program_Error with "interrupts/signals not implemented";
+   end Unimplemented;
+
+end System.Interrupts;