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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . P A C K _ 3 0 --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2014, 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 = 30
package System.Pack_30 is
pragma Preelaborate;
Bits : constant := 30;
type Bits_30 is mod 2 ** Bits;
for Bits_30'Size use Bits;
-- In all subprograms below, Rev_SSO is set True if the array has the
-- non-default scalar storage order.
function Get_30
(Arr : System.Address;
N : Natural;
Rev_SSO : Boolean) return Bits_30 with Inline;
-- Arr is the address of the packed array, N is the zero-based
-- subscript. This element is extracted and returned.
procedure Set_30
(Arr : System.Address;
N : Natural;
E : Bits_30;
Rev_SSO : Boolean) with Inline;
-- Arr is the address of the packed array, N is the zero-based
-- subscript. This element is set to the given value.
function GetU_30
(Arr : System.Address;
N : Natural;
Rev_SSO : Boolean) return Bits_30 with Inline;
-- 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_30
(Arr : System.Address;
N : Natural;
E : Bits_30;
Rev_SSO : Boolean) with Inline;
-- 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_30;
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