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) 1992-2001, 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 ------------------------------------------------------------------------------
34 with System.Storage_Pools; use System.Storage_Pools;
35 with System.Storage_Elements;
38 package body System.Pool_Global is
40 package SSE renames System.Storage_Elements;
47 (Pool : in out Unbounded_No_Reclaim_Pool;
48 Address : out System.Address;
49 Storage_Size : SSE.Storage_Count;
50 Alignment : SSE.Storage_Count)
52 pragma Warnings (Off, Pool);
53 pragma Warnings (Off, Alignment);
55 Allocated : System.Address;
58 Allocated := Memory.Alloc (Memory.size_t (Storage_Size));
60 -- The call to Alloc returns an address whose alignment is compatible
61 -- with the worst case alignment requirement for the machine; thus the
62 -- Alignment argument can be safely ignored.
64 if Allocated = Null_Address then
76 (Pool : in out Unbounded_No_Reclaim_Pool;
77 Address : System.Address;
78 Storage_Size : SSE.Storage_Count;
79 Alignment : SSE.Storage_Count)
81 pragma Warnings (Off, Pool);
82 pragma Warnings (Off, Storage_Size);
83 pragma Warnings (Off, Alignment);
86 Memory.Free (Address);
94 (Pool : Unbounded_No_Reclaim_Pool)
95 return SSE.Storage_Count
97 pragma Warnings (Off, Pool);
100 -- Intuitively, should return System.Memory_Size. But on Sun/Alsys,
101 -- System.Memory_Size > System.Max_Int, which means all you can do with
102 -- it is raise CONSTRAINT_ERROR...
104 return SSE.Storage_Count'Last;
107 end System.Pool_Global;