73 lines
3.9 KiB
Ada
73 lines
3.9 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M . M E M O R Y --
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-- --
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-- S p e c --
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-- --
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-- $Revision: 1.2 $
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-- --
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-- Copyright (C) 2001 Free Software Foundation, Inc. --
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-- --
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-- This specification is derived from the Ada Reference Manual for use with --
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-- GNAT. The copyright notice above, and the license provisions that follow --
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-- apply solely to the contents of the part following the private keyword. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
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-- --
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------------------------------------------------------------------------------
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-- This package provides the low level memory allocation/deallocation
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-- mechanisms used by GNAT.
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-- To provide an alternate implementation, simply recompile the modified
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-- body of this package with gnatmake -u -a -g s-memory.adb and make sure
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-- that the ali and object files for this unit are found in the object
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-- search path.
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package System.Memory is
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pragma Elaborate_Body;
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type size_t is mod 2 ** Standard'Address_Size;
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function Alloc (Size : size_t) return System.Address;
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-- malloc for use by GNAT, with error checking and task lockout,
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-- as well as allocation tracking.
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procedure Free (Ptr : System.Address);
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-- free for use by GNAT, with task lockout and allocation tracking.
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function Realloc
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(Ptr : System.Address;
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Size : size_t)
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return System.Address;
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-- realloc for use by GNAT, with error checking and task lockout.
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private
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pragma Export (C, Alloc, "__gnat_malloc");
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pragma Export (C, Free, "__gnat_free");
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pragma Export (C, Realloc, "__gnat_realloc");
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end System.Memory;
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