1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- S Y S T E M . P O O L _ G L O B A L --
9 -- Copyright (C) 1992-1994, 2004 Free Software Foundation, Inc. --
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 2, 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. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
35 with System
.Storage_Pools
;
36 with System
.Storage_Elements
;
38 package System
.Pool_Global
is
40 pragma Elaborate_Body
;
41 -- Needed to ensure that library routines can execute allocators
43 -- Allocation strategy:
45 -- Call to malloc/free for each Allocate/Deallocate
46 -- no user specifiable size
47 -- no automatic reclaim
50 -- Pool simulating the allocation/deallocation strategy used by the
51 -- compiler for access types globally declared.
53 type Unbounded_No_Reclaim_Pool
is new
54 System
.Storage_Pools
.Root_Storage_Pool
with null record;
57 (Pool
: Unbounded_No_Reclaim_Pool
)
58 return System
.Storage_Elements
.Storage_Count
;
61 (Pool
: in out Unbounded_No_Reclaim_Pool
;
62 Address
: out System
.Address
;
63 Storage_Size
: System
.Storage_Elements
.Storage_Count
;
64 Alignment
: System
.Storage_Elements
.Storage_Count
);
67 (Pool
: in out Unbounded_No_Reclaim_Pool
;
68 Address
: System
.Address
;
69 Storage_Size
: System
.Storage_Elements
.Storage_Count
;
70 Alignment
: System
.Storage_Elements
.Storage_Count
);
72 -- Pool object used by the compiler when implicit Storage Pool objects are
73 -- explicitly referred to. For instance when writing something like:
74 -- for T'Storage_Pool use Q'Storage_Pool;
75 -- and Q'Storage_Pool hasn't been defined explicitly.
77 Global_Pool_Object
: Unbounded_No_Reclaim_Pool
;
79 end System
.Pool_Global
;