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Diffstat (limited to 'gcc/ada/s-pooglo.ads')
| -rw-r--r-- | gcc/ada/s-pooglo.ads | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gcc/ada/s-pooglo.ads b/gcc/ada/s-pooglo.ads new file mode 100644 index 00000000000..c209e2d8da3 --- /dev/null +++ b/gcc/ada/s-pooglo.ads @@ -0,0 +1,77 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . P O O L _ G L O B A L -- +-- -- +-- S p e c -- +-- -- +-- $Revision: 1.5 $ -- +-- -- +-- 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. -- +-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +with System; +with System.Storage_Pools; +with System.Storage_Elements; + +package System.Pool_Global is + +pragma Elaborate_Body; +-- Needed to ensure that library routines can execute allocators + + -- Allocation strategy: + + -- Call to malloc/free for each Allocate/Deallocate + -- no user specifiable size + -- no automatic reclaim + -- minimal overhead + + -- Default pool in the compiler for access types globally declared + + type Unbounded_No_Reclaim_Pool is new + System.Storage_Pools.Root_Storage_Pool with null record; + + function Storage_Size + (Pool : Unbounded_No_Reclaim_Pool) + return System.Storage_Elements.Storage_Count; + + procedure Allocate + (Pool : in out Unbounded_No_Reclaim_Pool; + Address : out System.Address; + Storage_Size : System.Storage_Elements.Storage_Count; + Alignment : System.Storage_Elements.Storage_Count); + + procedure Deallocate + (Pool : in out Unbounded_No_Reclaim_Pool; + Address : System.Address; + Storage_Size : System.Storage_Elements.Storage_Count; + Alignment : System.Storage_Elements.Storage_Count); + + -- Pool object for the compiler + + Global_Pool_Object : Unbounded_No_Reclaim_Pool; + +end System.Pool_Global; |