1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- S Y S T E M . S T A N D A R D _ L I B R A R Y --
11 -- Copyright (C) 1995-2001 Free Software Foundation, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- As a special exception, if other files instantiate generics from this --
25 -- unit, or you link this unit with other files to produce an executable, --
26 -- this unit does not by itself cause the resulting executable to be --
27 -- covered by the GNU General Public License. This exception does not --
28 -- however invalidate any other reasons why the executable file might be --
29 -- covered by the GNU Public License. --
31 -- GNAT was originally developed by the GNAT team at New York University. --
32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
34 ------------------------------------------------------------------------------
36 -- The purpose of this body is simply to ensure that the two with'ed units
37 -- are properly included in the link. They are not with'ed from the spec
38 -- of System.Standard_Library, since this would cause order of elaboration
39 -- problems (Elaborate_Body would have the same problem).
41 pragma Warnings (Off);
42 -- Kill warnings from unused withs
45 -- We must turn polling off for this unit, because otherwise we get
46 -- elaboration circularities with Ada.Exceptions if polling is on.
48 with System.Soft_Links;
49 -- Referenced directly from generated code using external symbols so it
50 -- must always be present in a build, even if no unit has a direct with
51 -- of this unit. Also referenced from exception handling routines.
52 -- This is needed for programs that don't use exceptions explicitely but
53 -- direct calls to Ada.Exceptions are generated by gigi (for example,
54 -- by calling __gnat_raise_constraint_error directly).
57 -- Referenced directly from generated code using external symbols, so it
58 -- must always be present in a build, even if no unit has a direct with
61 package body System.Standard_Library is
63 Runtime_Finalized : Boolean := False;
64 -- Set to True when adafinal is called. Used to ensure that subsequent
65 -- calls to adafinal after the first have no effect.
67 Inside_Elab_Final_Code : Integer := 0;
68 pragma Export (C, Inside_Elab_Final_Code, "__gnat_inside_elab_final_code");
69 -- ???This variable is obsolete starting from 29/08 but cannot be removed
70 -- ???right away due to the bootstrap problems
72 --------------------------
73 -- Abort_Undefer_Direct --
74 --------------------------
76 procedure Abort_Undefer_Direct is
78 System.Soft_Links.Abort_Undefer.all;
79 end Abort_Undefer_Direct;
87 if not Runtime_Finalized then
88 Runtime_Finalized := True;
89 System.Soft_Links.Adafinal.all;
93 end System.Standard_Library;