| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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) 1992-2021, 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 3, 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. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- Storage pool corresponding to default global storage pool used for types |
| -- for which no storage pool is specified. |
| |
| 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; |
| |
| overriding function Storage_Size |
| (Pool : Unbounded_No_Reclaim_Pool) |
| return System.Storage_Elements.Storage_Count; |
| |
| overriding 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); |
| |
| overriding 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 : aliased Unbounded_No_Reclaim_Pool; |
| |
| end System.Pool_Global; |
