------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . M E M O R Y -- -- -- -- S p e c -- -- -- -- -- -- Copyright (C) 2001 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 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. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This package provides the low level memory allocation/deallocation -- mechanisms used by GNAT. -- To provide an alternate implementation, simply recompile the modified -- body of this package with gnatmake -u -a -g s-memory.adb and make sure -- that the ali and object files for this unit are found in the object -- search path. package System.Memory is pragma Elaborate_Body; type size_t is mod 2 ** Standard'Address_Size; function Alloc (Size : size_t) return System.Address; -- malloc for use by GNAT, with error checking and task lockout, -- as well as allocation tracking. procedure Free (Ptr : System.Address); -- free for use by GNAT, with task lockout and allocation tracking. function Realloc (Ptr : System.Address; Size : size_t) return System.Address; -- realloc for use by GNAT, with error checking and task lockout. private pragma Export (C, Alloc, "__gnat_malloc"); pragma Export (C, Free, "__gnat_free"); pragma Export (C, Realloc, "__gnat_realloc"); end System.Memory;