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) 1995-2017, 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 3, 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. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 -- Version used on all VxWorks targets
34 package body System
.Parameters
is
36 -------------------------
37 -- Adjust_Storage_Size --
38 -------------------------
40 function Adjust_Storage_Size
(Size
: Size_Type
) return Size_Type
is
42 if Size
= Unspecified_Size
then
43 return Default_Stack_Size
;
44 elsif Size
< Minimum_Stack_Size
then
45 return Minimum_Stack_Size
;
49 end Adjust_Storage_Size
;
51 ----------------------------
52 -- Default_Sec_Stack_Size --
53 ----------------------------
55 function Default_Sec_Stack_Size
return Size_Type
is
56 Default_SS_Size
: Integer;
57 pragma Import
(C
, Default_SS_Size
,
58 "__gnat_default_ss_size");
60 return Size_Type
(Default_SS_Size
);
61 end Default_Sec_Stack_Size
;
63 ------------------------
64 -- Default_Stack_Size --
65 ------------------------
67 function Default_Stack_Size
return Size_Type
is
68 Default_Stack_Size
: Integer;
69 pragma Import
(C
, Default_Stack_Size
, "__gl_default_stack_size");
71 if Default_Stack_Size
= -1 then
72 if Stack_Check_Limits
then
74 -- Extra stack to allow for 12K exception area.
79 return Size_Type
(Default_Stack_Size
);
81 end Default_Stack_Size
;
83 ------------------------
84 -- Minimum_Stack_Size --
85 ------------------------
87 function Minimum_Stack_Size
return Size_Type
is
90 end Minimum_Stack_Size
;
92 end System
.Parameters
;