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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT COMPILER COMPONENTS                         --
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--                                                                          --
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--              S Y S T E M . S T A N D A R D _ L I B R A R Y               --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--          Copyright (C) 1995-2011, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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pragma Compiler_Unit;
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--  The purpose of this body is simply to ensure that the two with'ed units
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--  are properly included in the link. They are not with'ed from the spec
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--  of System.Standard_Library, since this would cause order of elaboration
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--  problems (Elaborate_Body would have the same problem).
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pragma Polling (Off);
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--  We must turn polling off for this unit, because otherwise we get
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--  elaboration circularities with Ada.Exceptions if polling is on.
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pragma Warnings (Off);
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--  Kill warnings from unused withs. These unused with's are here to make
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--  sure the relevant units are loaded and properly elaborated.
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with System.Soft_Links;
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--  Referenced directly from generated code using external symbols so it
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--  must always be present in a build, even if no unit has a direct with
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--  of this unit. Also referenced from exception handling routines.
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--  This is needed for programs that don't use exceptions explicitly but
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--  direct calls to Ada.Exceptions are generated by gigi (for example,
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--  by calling __gnat_raise_constraint_error directly).
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with System.Memory;
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--  Referenced directly from generated code using external symbols, so it
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--  must always be present in a build, even if no unit has a direct with
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--  of this unit.
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pragma Warnings (On);
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package body System.Standard_Library is
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   Runtime_Finalized : Boolean := False;
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   --  Set to True when adafinal is called. Used to ensure that subsequent
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   --  calls to adafinal after the first have no effect.
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   --------------------------
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   -- Abort_Undefer_Direct --
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   --------------------------
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   procedure Abort_Undefer_Direct is
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   begin
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      System.Soft_Links.Abort_Undefer.all;
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   end Abort_Undefer_Direct;
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   --------------
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   -- Adafinal --
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   --------------
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   procedure Adafinal is
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   begin
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      if not Runtime_Finalized then
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         Runtime_Finalized := True;
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         System.Soft_Links.Adafinal.all;
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      end if;
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   end Adafinal;
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   -----------------
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   -- Break_Start --
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   -----------------
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   procedure Break_Start;
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   pragma Export (C, Break_Start, "__gnat_break_start");
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   --  This is a dummy procedure that is called at the start of execution.
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   --  Its sole purpose is to provide a well defined point for the placement
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   --  of a main program breakpoint. This is not used anymore but kept for
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   --  bootstrapping issues (still referenced by old gnatbind generated files).
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   procedure Break_Start is
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   begin
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      null;
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   end Break_Start;
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end System.Standard_Library;

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