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1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- S Y S T E M . P A C K _ 6 2 --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
10 -- --
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. --
17 -- --
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. --
21 -- --
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/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
32 -- Handling of packed arrays with Component_Size = 62
34 package System.Pack_62 is
35 pragma Preelaborate;
37 Bits : constant := 62;
39 type Bits_62 is mod 2 ** Bits;
40 for Bits_62'Size use Bits;
42 function Get_62 (Arr : System.Address; N : Natural) return Bits_62;
43 -- Arr is the address of the packed array, N is the zero-based
44 -- subscript. This element is extracted and returned.
46 procedure Set_62 (Arr : System.Address; N : Natural; E : Bits_62);
47 -- Arr is the address of the packed array, N is the zero-based
48 -- subscript. This element is set to the given value.
50 function GetU_62 (Arr : System.Address; N : Natural) return Bits_62;
51 -- Arr is the address of the packed array, N is the zero-based
52 -- subscript. This element is extracted and returned. This version
53 -- is used when Arr may represent an unaligned address.
55 procedure SetU_62 (Arr : System.Address; N : Natural; E : Bits_62);
56 -- Arr is the address of the packed array, N is the zero-based
57 -- subscript. This element is set to the given value. This version
58 -- is used when Arr may represent an unaligned address
60 end System.Pack_62;