--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/s-soflin.adb	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,307 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                    S Y S T E M . S O F T _ L I N K S                     --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 1992-2017, 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/>.                                          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+pragma Compiler_Unit_Warning;
+
+pragma Polling (Off);
+--  We must turn polling off for this unit, because otherwise we get an
+--  infinite loop from the code within the Poll routine itself.
+
+pragma Warnings (Off);
+--  Disable warnings as System.Soft_Links.Initialize is not Preelaborate. It is
+--  safe to with this unit as its elaboration routine will only be initializing
+--  NT_TSD, which is part of this package spec.
+with System.Soft_Links.Initialize;
+pragma Warnings (On);
+
+package body System.Soft_Links is
+
+   Stack_Limit : aliased System.Address := System.Null_Address;
+   pragma Export (C, Stack_Limit, "__gnat_stack_limit");
+   --  Needed for Vx6Cert (Vx653mc) GOS cert and ravenscar-cert runtimes,
+   --  VxMILS cert, ravenscar-cert and full runtimes, Vx 5 default runtime
+
+   --------------------
+   -- Abort_Defer_NT --
+   --------------------
+
+   procedure Abort_Defer_NT is
+   begin
+      null;
+   end Abort_Defer_NT;
+
+   ----------------------
+   -- Abort_Handler_NT --
+   ----------------------
+
+   procedure Abort_Handler_NT is
+   begin
+      null;
+   end Abort_Handler_NT;
+
+   ----------------------
+   -- Abort_Undefer_NT --
+   ----------------------
+
+   procedure Abort_Undefer_NT is
+   begin
+      null;
+   end Abort_Undefer_NT;
+
+   -----------------
+   -- Adafinal_NT --
+   -----------------
+
+   procedure Adafinal_NT is
+   begin
+      --  Handle normal task termination by the environment task, but only
+      --  for the normal task termination. In the case of Abnormal and
+      --  Unhandled_Exception they must have been handled before, and the
+      --  task termination soft link must have been changed so the task
+      --  termination routine is not executed twice.
+
+      Task_Termination_Handler.all (Ada.Exceptions.Null_Occurrence);
+
+      --  Finalize all library-level controlled objects if needed
+
+      if Finalize_Library_Objects /= null then
+         Finalize_Library_Objects.all;
+      end if;
+   end Adafinal_NT;
+
+   ---------------------------
+   -- Check_Abort_Status_NT --
+   ---------------------------
+
+   function Check_Abort_Status_NT return Integer is
+   begin
+      return Boolean'Pos (False);
+   end Check_Abort_Status_NT;
+
+   ------------------------
+   -- Complete_Master_NT --
+   ------------------------
+
+   procedure Complete_Master_NT is
+   begin
+      null;
+   end Complete_Master_NT;
+
+   ----------------
+   -- Create_TSD --
+   ----------------
+
+   procedure Create_TSD
+     (New_TSD        : in out TSD;
+      Sec_Stack      : SST.SS_Stack_Ptr;
+      Sec_Stack_Size : System.Parameters.Size_Type)
+   is
+   begin
+      New_TSD.Jmpbuf_Address := Null_Address;
+
+      New_TSD.Sec_Stack_Ptr := Sec_Stack;
+      SST.SS_Init (New_TSD.Sec_Stack_Ptr, Sec_Stack_Size);
+   end Create_TSD;
+
+   -----------------------
+   -- Current_Master_NT --
+   -----------------------
+
+   function Current_Master_NT return Integer is
+   begin
+      return 0;
+   end Current_Master_NT;
+
+   -----------------
+   -- Destroy_TSD --
+   -----------------
+
+   procedure Destroy_TSD (Old_TSD : in out TSD) is
+   begin
+      SST.SS_Free (Old_TSD.Sec_Stack_Ptr);
+   end Destroy_TSD;
+
+   ---------------------
+   -- Enter_Master_NT --
+   ---------------------
+
+   procedure Enter_Master_NT is
+   begin
+      null;
+   end Enter_Master_NT;
+
+   --------------------------
+   -- Get_Current_Excep_NT --
+   --------------------------
+
+   function Get_Current_Excep_NT return EOA is
+   begin
+      return NT_TSD.Current_Excep'Access;
+   end Get_Current_Excep_NT;
+
+   ------------------------
+   -- Get_GNAT_Exception --
+   ------------------------
+
+   function Get_GNAT_Exception return Ada.Exceptions.Exception_Id is
+   begin
+      return Ada.Exceptions.Exception_Identity (Get_Current_Excep.all.all);
+   end Get_GNAT_Exception;
+
+   ---------------------------
+   -- Get_Jmpbuf_Address_NT --
+   ---------------------------
+
+   function Get_Jmpbuf_Address_NT return  Address is
+   begin
+      return NT_TSD.Jmpbuf_Address;
+   end Get_Jmpbuf_Address_NT;
+
+   -----------------------------
+   -- Get_Jmpbuf_Address_Soft --
+   -----------------------------
+
+   function Get_Jmpbuf_Address_Soft return  Address is
+   begin
+      return Get_Jmpbuf_Address.all;
+   end Get_Jmpbuf_Address_Soft;
+
+   ----------------------
+   -- Get_Sec_Stack_NT --
+   ----------------------
+
+   function Get_Sec_Stack_NT return SST.SS_Stack_Ptr is
+   begin
+      return NT_TSD.Sec_Stack_Ptr;
+   end Get_Sec_Stack_NT;
+
+   -----------------------------
+   -- Get_Sec_Stack_Soft --
+   -----------------------------
+
+   function Get_Sec_Stack_Soft return SST.SS_Stack_Ptr is
+   begin
+      return Get_Sec_Stack.all;
+   end Get_Sec_Stack_Soft;
+
+   -----------------------
+   -- Get_Stack_Info_NT --
+   -----------------------
+
+   function Get_Stack_Info_NT return Stack_Checking.Stack_Access is
+   begin
+      return NT_TSD.Pri_Stack_Info'Access;
+   end Get_Stack_Info_NT;
+
+   -----------------------------
+   -- Save_Library_Occurrence --
+   -----------------------------
+
+   procedure Save_Library_Occurrence (E : EOA) is
+      use Ada.Exceptions;
+   begin
+      if not Library_Exception_Set then
+         Library_Exception_Set := True;
+         if E /= null then
+            Ada.Exceptions.Save_Occurrence (Library_Exception, E.all);
+         end if;
+      end if;
+   end Save_Library_Occurrence;
+
+   ---------------------------
+   -- Set_Jmpbuf_Address_NT --
+   ---------------------------
+
+   procedure Set_Jmpbuf_Address_NT (Addr : Address) is
+   begin
+      NT_TSD.Jmpbuf_Address := Addr;
+   end Set_Jmpbuf_Address_NT;
+
+   procedure Set_Jmpbuf_Address_Soft (Addr : Address) is
+   begin
+      Set_Jmpbuf_Address (Addr);
+   end Set_Jmpbuf_Address_Soft;
+
+   ----------------------
+   -- Set_Sec_Stack_NT --
+   ----------------------
+
+   procedure Set_Sec_Stack_NT (Stack : SST.SS_Stack_Ptr) is
+   begin
+      NT_TSD.Sec_Stack_Ptr := Stack;
+   end Set_Sec_Stack_NT;
+
+   ------------------------
+   -- Set_Sec_Stack_Soft --
+   ------------------------
+
+   procedure Set_Sec_Stack_Soft (Stack : SST.SS_Stack_Ptr) is
+   begin
+      Set_Sec_Stack (Stack);
+   end Set_Sec_Stack_Soft;
+
+   ------------------
+   -- Task_Lock_NT --
+   ------------------
+
+   procedure Task_Lock_NT is
+   begin
+      null;
+   end Task_Lock_NT;
+
+   ------------------
+   -- Task_Name_NT --
+   -------------------
+
+   function Task_Name_NT return String is
+   begin
+      return "main_task";
+   end Task_Name_NT;
+
+   -------------------------
+   -- Task_Termination_NT --
+   -------------------------
+
+   procedure Task_Termination_NT (Excep : EO) is
+      pragma Unreferenced (Excep);
+   begin
+      null;
+   end Task_Termination_NT;
+
+   --------------------
+   -- Task_Unlock_NT --
+   --------------------
+
+   procedure Task_Unlock_NT is
+   begin
+      null;
+   end Task_Unlock_NT;
+end System.Soft_Links;