------------------------------------------------------------------------------
--                                                                          --
--                 GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS               --
--                                                                          --
--                SYSTEM,COMPILER_EXCEPTIONS.MACHINE_SPECIFICS              --
--                                                                          --
--                                  B o d y                                 --
--                                                                          --
--                             $Revision: 1.1 $                             --
--                                                                          --
--     Copyright (C) 1992,1993,1994,1995 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 2,  or (at your option) any later ver- --
-- sion. GNARL 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.  See the GNU General Public License --
-- for  more details.  You should have  received  a copy of the GNU General --
-- Public License  distributed with GNARL; see file COPYING.  If not, write --
-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
-- MA 02111-1307, USA.                                                      --
--                                                                          --
-- As a special exception,  if other files  instantiate  generics from this --
-- unit, or you link  this unit with other files  to produce an executable, --
-- this  unit  does not  by itself cause  the resulting  executable  to  be --
-- covered  by the  GNU  General  Public  License.  This exception does not --
-- however invalidate  any other reasons why  the executable file  might be --
-- covered by the  GNU Public License.                                      --
--                                                                          --
-- GNARL was developed by the GNARL team at Florida State University. It is --
-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
-- State University (http://www.gnat.com).                                  --
--                                                                          --
------------------------------------------------------------------------------

--  This is a dummy version of this package (no tasking support).

package body System.Compiler_Exceptions.Machine_Specifics is

   procedure Unimplemented (Feature : String);
   --  This procedure prints out a message indicating that the feature
   --  described by the Featur string is unimplemented and halts the program.

   -------------------
   -- Unimplemented --
   -------------------

   procedure Unimplemented (Feature : String) is
   begin

   --  Report as an assertion failure, since this is the only low-level
   --  primitive available for either reporting errors or halting the
   --  program.

      System.Task_Primitives.LL_Assert
        (False, Feature & " is unimplemented in this version of GNARL.");
   end Unimplemented;

   ------------------------
   -- Identify_Exception --
   ------------------------

   --  This function identifies the Ada exception to be raised using
   --  the information when the system received a synchronous signal.
   --  Since this function is machine and OS dependent, different code
   --  has to be provided for different target.

   function Identify_Exception
     (Which              : System.Task_Primitives.Machine_Exceptions;
      Info               : System.Task_Primitives.Error_Information;
      Modified_Registers : Pre_Call_State) return Ada.Exceptions.Exception_ID
   is

   begin
      Unimplemented ("Exception Identification");
      return Ada.Exceptions.Null_Id;
   end Identify_Exception;

end System.Compiler_Exceptions.Machine_Specifics;
