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
;