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Diffstat (limited to 'gcc/ada/s-atacco.adb')
| -rw-r--r-- | gcc/ada/s-atacco.adb | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/ada/s-atacco.adb b/gcc/ada/s-atacco.adb new file mode 100644 index 00000000000..7d2842cfcba --- /dev/null +++ b/gcc/ada/s-atacco.adb @@ -0,0 +1,63 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . A D D R E S S _ T O _ A C C E S S _ C O N V E R S I O N S -- +-- -- +-- B o d y -- +-- -- +-- $Revision: 1.4 $ -- +-- -- +-- 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; +package body System.Address_To_Access_Conversions is + + ---------------- + -- To_Address -- + ---------------- + + function To_Address (Value : Object_Pointer) return Address is + begin + if Value = null then + return Null_Address; + else + return Value.all'Address; + end if; + end To_Address; + + ---------------- + -- To_Pointer -- + ---------------- + + function To_Pointer (Value : Address) return Object_Pointer is + function A_To_P is new Unchecked_Conversion (Address, Object_Pointer); + + begin + return A_To_P (Value); + end To_Pointer; + +end System.Address_To_Access_Conversions; |