1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                 S Y S T E M . P O O L _ 3 2 _ G L O B A L                --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1992-2011, Free Software Foundation, Inc.         --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
17--                                                                          --
18-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
21--                                                                          --
22-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32--  Storage pool corresponding to default global storage pool used for types
33--  designated by a 32 bits access type for which no storage pool is specified.
34--  This is specific to VMS.
35
36with System;
37with System.Storage_Pools;
38with System.Storage_Elements;
39
40package System.Pool_32_Global is
41   pragma Elaborate_Body;
42   --  Needed to ensure that library routines can execute allocators
43
44   --  Allocation strategy:
45
46   --    Call to malloc/free for each Allocate/Deallocate
47   --    No user specifiable size
48   --    No automatic reclaim
49   --    Minimal overhead
50
51   --  Pool simulating the allocation/deallocation strategy used by the
52   --  compiler for access types globally declared.
53
54   type Unbounded_No_Reclaim_Pool_32 is new
55     System.Storage_Pools.Root_Storage_Pool with null record;
56
57   overriding function Storage_Size
58     (Pool : Unbounded_No_Reclaim_Pool_32)
59      return System.Storage_Elements.Storage_Count;
60
61   overriding procedure Allocate
62     (Pool         : in out Unbounded_No_Reclaim_Pool_32;
63      Address      : out System.Address;
64      Storage_Size : System.Storage_Elements.Storage_Count;
65      Alignment    : System.Storage_Elements.Storage_Count);
66
67   overriding procedure Deallocate
68     (Pool         : in out Unbounded_No_Reclaim_Pool_32;
69      Address      : System.Address;
70      Storage_Size : System.Storage_Elements.Storage_Count;
71      Alignment    : System.Storage_Elements.Storage_Count);
72
73   --  Pool object used by the compiler when implicit Storage Pool objects are
74   --  explicitly referred to. For instance when writing something like:
75   --     for T'Storage_Pool use Q'Storage_Pool;
76   --  and Q'Storage_Pool hasn't been defined explicitly.
77
78   Global_Pool_32_Object : Unbounded_No_Reclaim_Pool_32;
79
80end System.Pool_32_Global;
81