home *** CD-ROM | disk | FTP | other *** search
- ------------------------------------------------------------------------------
- -- --
- -- GNAT COMPILER COMPONENTS --
- -- --
- -- S Y S T E M . A D D R E S S _ I M A G E --
- -- --
- -- B o d y --
- -- --
- -- $Revision: 1.5 $ --
- -- --
- -- Copyright (C) 1992,1993,1994 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). --
- -- --
- ------------------------------------------------------------------------------
-
- with Unchecked_Conversion;
-
- function System.Address_Image (A : Address) return String is
-
- Result : String (1 .. 2 * Address'Size / Storage_Unit);
-
- type Byte is mod 2 ** 8;
- for Byte'Size use 8;
-
- Hexdigs :
- constant array (Byte range 0 .. 15) of Character := "0123456789ABCDEF";
-
- type Bytes is array (1 .. Address'Size / Storage_Unit) of Byte;
- for Bytes'Size use Address'Size;
-
- function To_Bytes is new Unchecked_Conversion (Address, Bytes);
-
- Byte_Sequence : constant Bytes := To_Bytes (A);
-
- begin
- for N in Bytes'Range loop
- Result (2 * N - 1) := Hexdigs (Byte_Sequence (N) / 16);
- Result (2 * N) := Hexdigs (Byte_Sequence (N) mod 16);
- end loop;
-
- return Result;
-
- end System.Address_Image;
-