1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- S Y S T E M . P A R A M E T E R S --
9 -- Copyright (C) 1995-2004 Free Software Foundation, Inc. --
11 -- GNAT 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. GNAT 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 GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, 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 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 -- This is the Linux (native) specific version
36 package body System
.Parameters
is
38 -------------------------
39 -- Adjust_Storage_Size --
40 -------------------------
42 function Adjust_Storage_Size
(Size
: Size_Type
) return Size_Type
is
44 if Size
= Unspecified_Size
then
45 return Default_Stack_Size
;
47 elsif Size
< Minimum_Stack_Size
then
48 return Minimum_Stack_Size
;
53 end Adjust_Storage_Size
;
55 ------------------------
56 -- Default_Stack_Size --
57 ------------------------
59 function Default_Stack_Size
return Size_Type
is
61 return 2 * 1024 * 1024;
62 end Default_Stack_Size
;
64 ------------------------
65 -- Minimum_Stack_Size --
66 ------------------------
68 function Minimum_Stack_Size
return Size_Type
is
70 -- 12K is required for stack-checking to work on this target, using the
71 -- System.Stack_Checking runtime facility and possibly relying on the
72 -- stack greedy GCC scheme to propagate an exception in the ZCX case.
75 end Minimum_Stack_Size
;
77 end System
.Parameters
;