xref: /netbsd-src/external/gpl3/gdb/dist/sim/common/hw-alloc.h (revision b757af438b42b93f8c6571f026d8b8ef3eaf5fc9)
1 /* Hardware memory allocator.
2    Copyright (C) 1998, 2007, 2008, 2009, 2010, 2011
3    Free Software Foundation, Inc.
4    Contributed by Cygnus Support.
5 
6 This file is part of GDB, the GNU debugger.
7 
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12 
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 GNU General Public License for more details.
17 
18 You should have received a copy of the GNU General Public License
19 along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
20 
21 
22 #ifndef HW_ALLOC_H
23 #define HW_ALLOC_H
24 
25 /* Mechanism for associating memory allocated by a device to that
26    device.
27 
28    When a device is deleted any remaining memory regions associated to
29    it are reclaimed.
30 
31    FIXME: Perhaphs this can be generalized. Perhaphs it should not
32    be. */
33 
34 
35 #define HW_ZALLOC(me,type) (type*) hw_zalloc (me, sizeof (type))
36 #define HW_MALLOC(me,type) (type*) hw_malloc (me, sizeof (type))
37 #define HW_NALLOC(me,type,n) (type*) hw_malloc (me, sizeof (type) * (n))
38 #define HW_NZALLOC(me,type,n) (type*) hw_zalloc (me, sizeof (type) * (n))
39 
40 extern void *hw_zalloc (struct hw *me, unsigned long size);
41 extern void *hw_malloc (struct hw *me, unsigned long size);
42 
43 extern void hw_free (struct hw *me, void *);
44 
45 
46 /* Duplicate a string allocating memory using the per-device heap */
47 
48 extern char *hw_strdup (struct hw *me, const char *str);
49 
50 #endif
51