1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
5 -- S Y S T E M . S T A C K _ C H E C K I N G . O P E R A T I O N S --
9 -- Copyright (C) 1999-2007, Free Software Foundation, Inc. --
11 -- GNARL is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNARL; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNARL was developed by the GNARL team at Florida State University. --
30 -- Extensive contributions were provided by Ada Core Technologies, Inc. --
32 ------------------------------------------------------------------------------
34 -- This version of this package is for implementations which use
35 -- the stack limit approach (the limit of the stack is stored into a per
38 pragma Restrictions
(No_Elaboration_Code
);
39 -- We want to guarantee the absence of elaboration code because the binder
40 -- does not handle references to this package.
43 -- Turn off polling, we do not want polling to take place during stack
44 -- checking operations. It causes infinite loops and other problems.
46 package System
.Stack_Checking
.Operations
is
49 procedure Initialize_Stack_Limit
;
50 pragma Export
(C
, Initialize_Stack_Limit
,
51 "__gnat_initialize_stack_limit");
52 -- This procedure is called before elaboration to setup the stack limit
53 -- for the environment task and to register the hook to be called at
55 end System
.Stack_Checking
.Operations
;