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Diffstat (limited to 'gcc-4.3.1/gcc/ada/s-pooglo.ads')
-rw-r--r-- | gcc-4.3.1/gcc/ada/s-pooglo.ads | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/s-pooglo.ads b/gcc-4.3.1/gcc/ada/s-pooglo.ads new file mode 100644 index 000000000..734a1c128 --- /dev/null +++ b/gcc-4.3.1/gcc/ada/s-pooglo.ads @@ -0,0 +1,78 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . P O O L _ G L O B A L -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2005 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, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, 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; +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 + + -- Pool simulating the allocation/deallocation strategy used by 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 used by the compiler when implicit Storage Pool objects are + -- explicitly referred to. For instance when writing something like: + -- for T'Storage_Pool use Q'Storage_Pool; + -- and Q'Storage_Pool hasn't been defined explicitly. + + Global_Pool_Object : Unbounded_No_Reclaim_Pool; + +end System.Pool_Global; |