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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [ada/] [s-atacco.ads] - Rev 593
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------------------------------------------------------------------------------ -- -- -- 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) 1992-2009, 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 Elaborate_Body; -- This pragma Elaborate_Body is there to ensure the requirement of what is -- at the moment a dummy null body. The reason this null body is there is -- that we used to have a real body, and it causes bootstrap problems with -- old compilers if we try to remove the corresponding file. pragma Compile_Time_Warning (Object'Unconstrained_Array, "Object is unconstrained array type" & ASCII.LF & "To_Pointer results may not have bounds"); -- Capture constrained status, suppressing warnings, since this is -- an obsolescent feature to use Constrained in this way (RM J.4). pragma Warnings (Off); Xyz : Boolean := Object'Constrained; pragma Warnings (On); 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; function To_Address (Value : Object_Pointer) return Address; pragma Import (Intrinsic, To_Pointer); pragma Import (Intrinsic, To_Address); end System.Address_To_Access_Conversions;
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