New Language: Ada

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45957 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 64 insertions, 0 deletions

diff --git a/gcc/ada/s-pack56.ads b/gcc/ada/s-pack56.ads
new file mode 100644
index 00000000000..94ae0a51b1b
--- /dev/null
+++ b/gcc/ada/s-pack56.ads
@@ -0,0 +1,64 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUNTIME COMPONENTS                          --
+--                                                                          --
+--                       S Y S T E M . P A C K _ 5 6                        --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--                            $Revision: 1.2 $
+--                                                                          --
+--          Copyright (C) 1992-1999 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,  59 Temple Place - Suite 330,  Boston, --
+-- MA 02111-1307, 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. --
+-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Handling of packed arrays with Component_Size = 56
+
+package System.Pack_56 is
+pragma Preelaborate (Pack_56);
+
+   Bits : constant := 56;
+
+   type Bits_56 is mod 2 ** Bits;
+   for Bits_56'Size use Bits;
+
+   function Get_56 (Arr : System.Address; N : Natural) return Bits_56;
+   --  Arr is the address of the packed array, N is the zero-based
+   --  subscript. This element is extracted and returned.
+
+   procedure Set_56 (Arr : System.Address; N : Natural; E : Bits_56);
+   --  Arr is the address of the packed array, N is the zero-based
+   --  subscript. This element is set to the given value.
+
+   function GetU_56 (Arr : System.Address; N : Natural) return Bits_56;
+   --  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_56 (Arr : System.Address; N : Natural; E : Bits_56);
+   --  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_56;