--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/s-parint.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,191 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--            S Y S T E M . P A R T I T I O N _ I N T E R F A C E           --
+--                                                                          --
+--                                  S p e c                                 --
+--                                                                          --
+--          Copyright (C) 1995-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNARL 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This unit may be used directly from an application program by providing
+--  an appropriate WITH, and the interface can be expected to remain stable.
+
+with Ada.Exceptions;
+with Ada.Streams;
+with Interfaces;
+with System.RPC;
+
+package System.Partition_Interface is
+   pragma Elaborate_Body;
+
+   type DSA_Implementation_Name is (No_DSA, GARLIC_DSA, PolyORB_DSA);
+   DSA_Implementation : constant DSA_Implementation_Name := No_DSA;
+   --  Identification of this DSA implementation variant
+
+   PCS_Version : constant := 1;
+   --  Version of the PCS API (for Exp_Dist consistency check)
+   --
+   --  This version number is matched against corresponding element of
+   --  Exp_Dist.PCS_Version_Number to ensure that the versions of Exp_Dist
+   --  and the PCS are consistent.
+
+   --  RCI receiving stubs contain a table of descriptors for all user
+   --  subprograms exported by the unit.
+
+   type Subprogram_Id is new Natural;
+   First_RCI_Subprogram_Id : constant := 2;
+
+   type RCI_Subp_Info is record
+      Addr : System.Address;
+      --  Local address of the proxy object
+   end record;
+
+   type RCI_Subp_Info_Access is access all RCI_Subp_Info;
+   type RCI_Subp_Info_Array is array (Integer range <>) of
+     aliased RCI_Subp_Info;
+
+   subtype Unit_Name is String;
+   --  Name of Ada units
+
+   type Main_Subprogram_Type is access procedure;
+
+   type RACW_Stub_Type is tagged record
+      Origin       : RPC.Partition_ID;
+      Receiver     : Interfaces.Unsigned_64;
+      Addr         : Interfaces.Unsigned_64;
+      Asynchronous : Boolean;
+   end record;
+
+   type RACW_Stub_Type_Access is access RACW_Stub_Type;
+   --  This type is used by the expansion to implement distributed objects.
+   --  Do not change its definition or its layout without updating
+   --  exp_dist.adb.
+
+   type RAS_Proxy_Type is tagged limited record
+      All_Calls_Remote : Boolean;
+      Receiver         : System.Address;
+      Subp_Id          : Subprogram_Id;
+   end record;
+
+   type RAS_Proxy_Type_Access is access RAS_Proxy_Type;
+   pragma No_Strict_Aliasing (RAS_Proxy_Type_Access);
+   --  This type is used by the expansion to implement distributed objects.
+   --  Do not change its definition or its layout without updating
+   --  Exp_Dist.Build_Remote_Subprogram_Proxy_Type.
+
+   --  The Request_Access type is used for communication between the PCS
+   --  and the RPC receiver generated by the compiler: it contains all the
+   --  necessary information for the receiver to process an incoming call.
+
+   type RST_Access is access all Ada.Streams.Root_Stream_Type'Class;
+   type Request_Access is record
+      Params : RST_Access;
+      --  A stream describing the called subprogram and its parameters
+
+      Result : RST_Access;
+      --  A stream where the result, raised exception, or out values,
+      --  are marshalled.
+   end record;
+
+   procedure Check
+     (Name    : Unit_Name;
+      Version : String;
+      RCI     : Boolean := True);
+   --  Use by the main subprogram to check that a remote receiver
+   --  unit has the same version than the caller's one.
+
+   function Same_Partition
+      (Left  : not null access RACW_Stub_Type;
+       Right : not null access RACW_Stub_Type) return Boolean;
+   --  Determine whether Left and Right correspond to objects instantiated
+   --  on the same partition, for enforcement of E.4(19).
+
+   function Get_Active_Partition_ID (Name : Unit_Name) return RPC.Partition_ID;
+   --  Similar in some respects to RCI_Locator.Get_Active_Partition_ID
+
+   function Get_Active_Version (Name : Unit_Name) return String;
+   --  Similar in some respects to Get_Active_Partition_ID
+
+   function Get_Local_Partition_ID return RPC.Partition_ID;
+   --  Return the Partition_ID of the current partition
+
+   function Get_Passive_Partition_ID
+     (Name : Unit_Name) return RPC.Partition_ID;
+   --  Return the Partition_ID of the given shared passive partition
+
+   function Get_Passive_Version (Name : Unit_Name) return String;
+   --  Return the version corresponding to a shared passive unit
+
+   function Get_RCI_Package_Receiver
+     (Name : Unit_Name) return Interfaces.Unsigned_64;
+   --  Similar in some respects to RCI_Locator.Get_RCI_Package_Receiver
+
+   procedure Get_Unique_Remote_Pointer
+     (Handler : in out RACW_Stub_Type_Access);
+   --  Get a unique pointer on a remote object
+
+   procedure Raise_Program_Error_Unknown_Tag
+     (E : Ada.Exceptions.Exception_Occurrence);
+   pragma No_Return (Raise_Program_Error_Unknown_Tag);
+   --  Raise Program_Error with the same message as E one
+
+   type RPC_Receiver is access procedure (R : Request_Access);
+   procedure Register_Receiving_Stub
+     (Name          : Unit_Name;
+      Receiver      : RPC_Receiver;
+      Version       : String := "";
+      Subp_Info     : System.Address;
+      Subp_Info_Len : Integer);
+   --  Register the fact that the Name receiving stub is now elaborated.
+   --  Register the access value to the package RPC_Receiver procedure.
+
+   procedure Get_RAS_Info
+     (Name          :  Unit_Name;
+      Subp_Id       :  Subprogram_Id;
+      Proxy_Address : out Interfaces.Unsigned_64);
+   --  Look up the address of the proxy object for the given subprogram
+   --  in the named unit, or Null_Address if not present on the local
+   --  partition.
+
+   procedure Register_Passive_Package
+     (Name    : Unit_Name;
+      Version : String := "");
+   --  Register a passive package
+
+   generic
+      RCI_Name : String;
+      Version  : String;
+   package RCI_Locator is
+      pragma Unreferenced (Version);
+
+      function Get_RCI_Package_Receiver return Interfaces.Unsigned_64;
+      function Get_Active_Partition_ID return RPC.Partition_ID;
+   end RCI_Locator;
+   --  RCI package information caching
+
+   procedure Run (Main : Main_Subprogram_Type := null);
+   --  Run the main subprogram
+
+end System.Partition_Interface;