| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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 -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1992-2023, Free Software Foundation, Inc. -- |
| -- -- |
| -- This specification is derived from the Ada Reference Manual for use with -- |
| -- GNAT. The copyright notice above, and the license provisions that follow -- |
| -- apply solely to the contents of the part following the private keyword. -- |
| -- -- |
| -- 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. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| generic |
| type Object (<>) is limited private; |
| |
| package System.Address_To_Access_Conversions is |
| pragma Preelaborate; |
| |
| pragma Compile_Time_Warning |
| (Object'Unconstrained_Array, |
| "Object is unconstrained array type" & ASCII.LF & |
| "To_Pointer results may not have bounds"); |
| |
| type Object_Pointer is access all Object; |
| for Object_Pointer'Size use Standard'Address_Size; |
| |
| pragma No_Strict_Aliasing (Object_Pointer); |
| -- Strictly speaking, this routine should not be used to generate pointers |
| -- to other than proper values of the proper type, but in practice, this |
| -- is done all the time. This pragma stops the compiler from doing some |
| -- optimizations that may cause unexpected results based on the assumption |
| -- of no strict aliasing. |
| |
| function To_Pointer (Value : Address) return Object_Pointer with |
| Global => null; |
| function To_Address (Value : Object_Pointer) return Address with |
| SPARK_Mode => Off; |
| |
| pragma Import (Intrinsic, To_Pointer); |
| pragma Import (Intrinsic, To_Address); |
| |
| end System.Address_To_Access_Conversions; |
