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 --
10 -- Copyright (C) 1995-2001 Free Software Foundation, Inc. --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
33 ------------------------------------------------------------------------------
35 -- The purpose of this body is simply to ensure that the two with'ed units
36 -- are properly included in the link. They are not with'ed from the spec
37 -- of System.Standard_Library, since this would cause order of elaboration
38 -- problems (Elaborate_Body would have the same problem).
40 pragma Warnings
(Off
);
41 -- Kill warnings from unused withs
44 -- We must turn polling off for this unit, because otherwise we get
45 -- elaboration circularities with Ada.Exceptions if polling is on.
47 with System
.Soft_Links
;
48 -- Referenced directly from generated code using external symbols so it
49 -- must always be present in a build, even if no unit has a direct with
50 -- of this unit. Also referenced from exception handling routines.
51 -- This is needed for programs that don't use exceptions explicitly but
52 -- direct calls to Ada.Exceptions are generated by gigi (for example,
53 -- by calling __gnat_raise_constraint_error directly).
56 -- Referenced directly from generated code using external symbols, so it
57 -- must always be present in a build, even if no unit has a direct with
60 package body System
.Standard_Library
is
62 Runtime_Finalized
: Boolean := False;
63 -- Set to True when adafinal is called. Used to ensure that subsequent
64 -- calls to adafinal after the first have no effect.
66 Inside_Elab_Final_Code
: Integer := 0;
67 pragma Export
(C
, Inside_Elab_Final_Code
, "__gnat_inside_elab_final_code");
68 -- ???This variable is obsolete starting from 29/08 but cannot be removed
69 -- ???right away due to the bootstrap problems
71 --------------------------
72 -- Abort_Undefer_Direct --
73 --------------------------
75 procedure Abort_Undefer_Direct
is
77 System
.Soft_Links
.Abort_Undefer
.all;
78 end Abort_Undefer_Direct
;
86 if not Runtime_Finalized
then
87 Runtime_Finalized
:= True;
88 System
.Soft_Links
.Adafinal
.all;
92 end System
.Standard_Library
;