1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
-- Copyright 2019-2021 Free Software Foundation, Inc.
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
with Pck; use Pck;
with System.Storage_Elements; use System.Storage_Elements;
procedure Storage is
subtype Some_Range is Natural range 0..127;
type Rec is record
Value : Some_Range;
end record;
for Rec use record
Value at 0 range 0..127;
end record;
type Rec_LE is new Rec;
for Rec_LE'Bit_Order use System.Low_Order_First;
for Rec_LE'Scalar_Storage_Order use System.Low_Order_First;
type Rec_BE is new Rec;
for Rec_BE'Bit_Order use System.High_Order_First;
for Rec_BE'Scalar_Storage_Order use System.High_Order_First;
V_LE : Rec_LE;
V_BE : Rec_BE;
begin
V_LE.Value := 126;
V_BE.Value := 126;
Do_Nothing (V_LE'Address); -- START
Do_Nothing (V_BE'Address);
end Storage;
|
