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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . S T A N D A R D _ L I B R A R Y --
-- --
-- B o d y --
-- --
-- Copyright (C) 1995-2006 Free Software Foundation, Inc. --
-- --
-- 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 2, 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. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, 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. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- The purpose of this body is simply to ensure that the two with'ed units
-- are properly included in the link. They are not with'ed from the spec
-- of System.Standard_Library, since this would cause order of elaboration
-- problems (Elaborate_Body would have the same problem).
pragma Polling (Off);
-- We must turn polling off for this unit, because otherwise we get
-- elaboration circularities with Ada.Exceptions if polling is on.
pragma Warnings (Off);
-- Kill warnings from unused withs
with System.Soft_Links;
-- Referenced directly from generated code using external symbols so it
-- must always be present in a build, even if no unit has a direct with
-- of this unit. Also referenced from exception handling routines.
-- This is needed for programs that don't use exceptions explicitely but
-- direct calls to Ada.Exceptions are generated by gigi (for example,
-- by calling __gnat_raise_constraint_error directly).
with System.Memory;
-- Referenced directly from generated code using external symbols, so it
-- must always be present in a build, even if no unit has a direct with
-- of this unit.
with System.Restrictions;
-- Referenced directly from the binder generated file.
pragma Warnings (On);
package body System.Standard_Library is
Runtime_Finalized : Boolean := False;
-- Set to True when adafinal is called. Used to ensure that subsequent
-- calls to adafinal after the first have no effect.
--------------------------
-- Abort_Undefer_Direct --
--------------------------
procedure Abort_Undefer_Direct is
begin
System.Soft_Links.Abort_Undefer.all;
end Abort_Undefer_Direct;
--------------
-- Adafinal --
--------------
procedure Adafinal is
begin
if not Runtime_Finalized then
Runtime_Finalized := True;
System.Soft_Links.Adafinal.all;
end if;
end Adafinal;
-----------------
-- Break_Start --
-----------------
procedure Break_Start;
pragma Export (C, Break_Start, "__gnat_break_start");
-- This is a dummy procedure that is called at the start of execution.
-- Its sole purpose is to provide a well defined point for the placement
-- of a main program breakpoint.
procedure Break_Start is
begin
null;
end Break_Start;
end System.Standard_Library;
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