------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . P A C K _ 5 2 -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2005, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 2, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT 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 distributed with GNAT; see file COPYING. If not, write -- -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- -- Boston, MA 02110-1301, USA. -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- Handling of packed arrays with Component_Size = 52 package System.Pack_52 is pragma Preelaborate; Bits : constant := 52; type Bits_52 is mod 2 ** Bits; for Bits_52'Size use Bits; function Get_52 (Arr : System.Address; N : Natural) return Bits_52; -- Arr is the address of the packed array, N is the zero-based -- subscript. This element is extracted and returned. procedure Set_52 (Arr : System.Address; N : Natural; E : Bits_52); -- Arr is the address of the packed array, N is the zero-based -- subscript. This element is set to the given value. function GetU_52 (Arr : System.Address; N : Natural) return Bits_52; -- Arr is the address of the packed array, N is the zero-based -- subscript. This element is extracted and returned. This version -- is used when Arr may represent an unaligned address. procedure SetU_52 (Arr : System.Address; N : Natural; E : Bits_52); -- Arr is the address of the packed array, N is the zero-based -- subscript. This element is set to the given value. This version -- is used when Arr may represent an unaligned address end System.Pack_52;