/* Hardware memory allocator.
   Copyright (C) 1998, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   Contributed by Cygnus Support.

This file is part of GDB, the GNU debugger.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.  */


#ifndef HW_ALLOC_H
#define HW_ALLOC_H

/* Mechanism for associating memory allocated by a device to that
   device.

   When a device is deleted any remaining memory regions associated to
   it are reclaimed.

   FIXME: Perhaphs this can be generalized. Perhaphs it should not
   be. */


#define HW_ZALLOC(me,type) (type*) hw_zalloc (me, sizeof (type))
#define HW_MALLOC(me,type) (type*) hw_malloc (me, sizeof (type))
#define HW_NZALLOC(ME,TYPE,N) (TYPE*) hw_zalloc (me, sizeof (TYPE) * (N))

extern void *hw_zalloc (struct hw *me, unsigned long size);
extern void *hw_malloc (struct hw *me, unsigned long size);

extern void hw_free (struct hw *me, void *);


/* Duplicate a string allocating memory using the per-device heap */

extern char *hw_strdup (struct hw *me, const char *str);

#endif
