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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                     L A S T _ C H A N C E _ H A N D L E R                --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--                                                                          --
--                       Copyright (C) 2008-2011, 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.                                     --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
-- 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 is maintained by AdaCore (http://www.adacore.com)                   --
--                                                                          --
------------------------------------------------------------------------------

--  This last chance handler implementation performs a longjmp using gcc
--  builtin to allow exception simulation on platforms where the run-time does
--  not allow exception propagation.

with System;

package AUnit.Last_Chance_Handler is

   function Get_Exception_Name return Message_String;
   function Get_Exception_Message return Message_String;
   --  Return the last exception message

   generic
      with procedure Proc;
   function Gen_Setjmp return Integer;
   --  Setjmp: init the handler, and call Proc.

   procedure Last_Chance_Handler (Msg : System.Address; Line : Integer);
   pragma Export (C, Last_Chance_Handler, "__gnat_last_chance_handler");
   pragma No_Return (Last_Chance_Handler);

end AUnit.Last_Chance_Handler;