------------------------------------------------------------------------------ -- -- -- 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) 1995-2019, 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 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- 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 -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ pragma Compiler_Unit_Warning; -- 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. These unused with's are here to make -- sure the relevant units are loaded and properly elaborated. 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 explicitly 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. 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. This is not used anymore but kept for -- bootstrapping issues (still referenced by old gnatbind generated files). procedure Break_Start is begin null; end Break_Start; end System.Standard_Library;