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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . P A C K _ 2 8 -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2009, 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 3, 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- 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 = 28 package System.Pack_28 is pragma Preelaborate; Bits : constant := 28; type Bits_28 is mod 2 ** Bits; for Bits_28'Size use Bits; function Get_28 (Arr : System.Address; N : Natural) return Bits_28; -- Arr is the address of the packed array, N is the zero-based -- subscript. This element is extracted and returned. procedure Set_28 (Arr : System.Address; N : Natural; E : Bits_28); -- Arr is the address of the packed array, N is the zero-based -- subscript. This element is set to the given value. function GetU_28 (Arr : System.Address; N : Natural) return Bits_28; -- 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_28 (Arr : System.Address; N : Natural; E : Bits_28); -- 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_28;