gcc/ada/s-pack59.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --                       S Y S T E M . P A C K _ 5 9                        --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                            $Revision: 1.2 $                              --
  10 --                                                                          --
  11 --          Copyright (C) 1992-1999 Free Software Foundation, Inc.          --
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  13 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
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  22 -- MA 02111-5907, USA.                                                      --
  23 --                                                                          --
  24 -- As a special exception,  if other files  instantiate  generics from this --
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  31 -- GNAT was originally developed  by the GNAT team at  New York University. --
  32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  33 --                                                                          --
  34 ------------------------------------------------------------------------------
  35
  36 --  Handling of packed arrays with Component_Size = 59
  37
  38 package System.Pack_59 is
  39 pragma Preelaborate (Pack_59);
  40
  41    Bits : constant := 59;
  42
  43    type Bits_59 is mod 2 ** Bits;
  44    for Bits_59'Size use Bits;
  45
  46    function Get_59 (Arr : System.Address; N : Natural) return Bits_59;
  47    --  Arr is the address of the packed array, N is the zero-based
  48    --  subscript. This element is extracted and returned.
  49
  50    procedure Set_59 (Arr : System.Address; N : Natural; E : Bits_59);
  51    --  Arr is the address of the packed array, N is the zero-based
  52    --  subscript. This element is set to the given value.
  53
  54 end System.Pack_59;