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) 1992-2009, 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 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. --
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. --
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/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 with System.Storage_Pools; use System.Storage_Pools;
35 package body System.Pool_Global is
37 package SSE renames System.Storage_Elements;
44 (Pool : in out Unbounded_No_Reclaim_Pool;
45 Address : out System.Address;
46 Storage_Size : SSE.Storage_Count;
47 Alignment : SSE.Storage_Count)
49 pragma Warnings (Off, Pool);
50 pragma Warnings (Off, Alignment);
52 Allocated : System.Address;
55 Allocated := Memory.Alloc (Memory.size_t (Storage_Size));
57 -- The call to Alloc returns an address whose alignment is compatible
58 -- with the worst case alignment requirement for the machine; thus the
59 -- Alignment argument can be safely ignored.
61 if Allocated = Null_Address then
73 (Pool : in out Unbounded_No_Reclaim_Pool;
74 Address : System.Address;
75 Storage_Size : SSE.Storage_Count;
76 Alignment : SSE.Storage_Count)
78 pragma Warnings (Off, Pool);
79 pragma Warnings (Off, Storage_Size);
80 pragma Warnings (Off, Alignment);
83 Memory.Free (Address);
91 (Pool : Unbounded_No_Reclaim_Pool)
92 return SSE.Storage_Count
94 pragma Warnings (Off, Pool);
97 -- Intuitively, should return System.Memory_Size. But on Sun/Alsys,
98 -- System.Memory_Size > System.Max_Int, which means all you can do with
99 -- it is raise CONSTRAINT_ERROR...
101 return SSE.Storage_Count'Last;
104 end System.Pool_Global;