------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- S Y S T E M . P O O L _ S I Z E -- -- -- -- S p e c -- -- -- -- -- -- Copyright (C) 1992,1993,1994 Free Software Foundation, Inc. -- -- -- -- 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. -- -- -- ------------------------------------------------------------------------------ with System.Storage_Pools; with System.Storage_Elements; package System.Pool_Size is pragma Elaborate_Body; -- Needed to ensure that library routines can execute allocators ------------------------ -- Stack_Bounded_Pool -- ------------------------ -- Allocation strategy: -- Pool is a regular stack array, no use of malloc -- user specified size -- Space of pool is globally reclaimed by normal stack management -- Used in the compiler for access types with 'STORAGE_SIZE rep. clause -- Only used for allocating objects of the same type. type Stack_Bounded_Pool (Pool_Size : System.Storage_Elements.Storage_Count; Elmt_Size : System.Storage_Elements.Storage_Count; Alignment : System.Storage_Elements.Storage_Count) is new System.Storage_Pools.Root_Storage_Pool with record First_Free : System.Storage_Elements.Storage_Count; First_Empty : System.Storage_Elements.Storage_Count; Aligned_Elmt_Size : System.Storage_Elements.Storage_Count; The_Pool : System.Storage_Elements.Storage_Array (1 .. Pool_Size); end record; function Storage_Size (Pool : Stack_Bounded_Pool) return System.Storage_Elements.Storage_Count; procedure Allocate (Pool : in out Stack_Bounded_Pool; Address : out System.Address; Storage_Size : System.Storage_Elements.Storage_Count; Alignment : System.Storage_Elements.Storage_Count); procedure Deallocate (Pool : in out Stack_Bounded_Pool; Address : System.Address; Storage_Size : System.Storage_Elements.Storage_Count; Alignment : System.Storage_Elements.Storage_Count); procedure Initialize (Pool : in out Stack_Bounded_Pool); end System.Pool_Size;