1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- S Y S T E M . P A C K _ 5 1 --
10 -- Copyright (C) 1992-1999 Free Software Foundation, Inc. --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-5107, USA. --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- Extensive contributions were provided by Ada Core Technologies Inc. --
33 ------------------------------------------------------------------------------
35 -- Handling of packed arrays with Component_Size = 51
37 package System.Pack_51 is
38 pragma Preelaborate (Pack_51);
40 Bits : constant := 51;
42 type Bits_51 is mod 2 ** Bits;
43 for Bits_51'Size use Bits;
45 function Get_51 (Arr : System.Address; N : Natural) return Bits_51;
46 -- Arr is the address of the packed array, N is the zero-based
47 -- subscript. This element is extracted and returned.
49 procedure Set_51 (Arr : System.Address; N : Natural; E : Bits_51);
50 -- Arr is the address of the packed array, N is the zero-based
51 -- subscript. This element is set to the given value.