1 /* Hardware memory allocator.
2 Copyright (C) 1998, 2007, 2008 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
5 This file is part of GDB, the GNU debugger.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
29 struct hw_alloc_data
{
32 struct hw_alloc_data
*next
;
36 create_hw_alloc_data (struct hw
*me
)
42 delete_hw_alloc_data (struct hw
*me
)
44 while (me
->alloc_of_hw
!= NULL
)
46 hw_free (me
, me
->alloc_of_hw
->alloc
);
53 hw_zalloc (struct hw
*me
, unsigned long size
)
55 struct hw_alloc_data
*memory
= ZALLOC (struct hw_alloc_data
);
56 memory
->alloc
= zalloc (size
);
58 memory
->next
= me
->alloc_of_hw
;
59 me
->alloc_of_hw
= memory
;
64 hw_malloc (struct hw
*me
, unsigned long size
)
66 struct hw_alloc_data
*memory
= ZALLOC (struct hw_alloc_data
);
67 memory
->alloc
= zalloc (size
);
69 memory
->next
= me
->alloc_of_hw
;
70 me
->alloc_of_hw
= memory
;
75 hw_free (struct hw
*me
,
78 struct hw_alloc_data
**memory
;
79 for (memory
= &me
->alloc_of_hw
;
81 memory
= &(*memory
)->next
)
83 if ((*memory
)->alloc
== alloc
)
85 struct hw_alloc_data
*die
= (*memory
);
86 (*memory
) = die
->next
;
95 hw_abort (me
, "free of memory not belonging to a device");
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