| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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) 1995-2021, 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 -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- 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 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; |
