| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . M E M O R Y -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- $Revision: 1.2 $ |
| -- -- |
| -- 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. -- |
| -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- 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; |