File : s-stalib-raven.adb


   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --              S Y S T E M . S T A N D A R D _ L I B R A R Y               --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2003-2011, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  17 --                                                                          --
  18 --                                                                          --
  19 --                                                                          --
  20 --                                                                          --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- GNAT was originally developed  by the GNAT team at  New York University. --
  28 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31 
  32 --  The purpose of this body is simply to ensure that the two with'ed units
  33 --  are properly included in the link. They are not with'ed from the spec
  34 --  of System.Standard_Library, since this would cause order of elaboration
  35 --  problems (Elaborate_Body would have the same problem).
  36 
  37 pragma Warnings (Off);
  38 --  Suppress warnings on context clauses used to include units in
  39 --  application closure.
  40 
  41 with System.Memory;
  42 --  For __gnat_malloc
  43 
  44 pragma Warnings (On);
  45 
  46 with System.Soft_Links;
  47 --  Referenced directly from generated code using external symbols so it
  48 --  must always be present in a build, even if no unit has a direct with
  49 --  of this unit. Also referenced from exception handling routines.
  50 --  This is needed for programs that don't use exceptions explicitly but
  51 --  direct calls to Ada.Exceptions are generated by gigi (for example,
  52 --  by calling __gnat_raise_constraint_error directly).
  53 
  54 package body System.Standard_Library is
  55 
  56    Runtime_Finalized : Boolean := False;
  57    --  Set to True when adafinal is called. Used to ensure that subsequent
  58    --  calls to adafinal after the first have no effect.
  59 
  60    --------------
  61    -- Adafinal --
  62    --------------
  63 
  64    procedure Adafinal is
  65    begin
  66       if not Runtime_Finalized then
  67          Runtime_Finalized := True;
  68          System.Soft_Links.Adafinal.all;
  69       end if;
  70    end Adafinal;
  71 
  72 end System.Standard_Library;