sim/common/hw-alloc.h

   1 /* Hardware memory allocator.
   2    Copyright (C) 1998-2023 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support.
   4
   5 This file is part of GDB, the GNU debugger.
   6
   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.
  11
  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.
  16
  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/>.  */
  19
  20
  21 #ifndef HW_ALLOC_H
  22 #define HW_ALLOC_H
  23
  24 /* Mechanism for associating memory allocated by a device to that
  25    device.
  26
  27    When a device is deleted any remaining memory regions associated to
  28    it are reclaimed.
  29
  30    FIXME: Perhaphs this can be generalized. Perhaphs it should not
  31    be. */
  32
  33
  34 #define HW_ZALLOC(me,type) (type*) hw_zalloc (me, sizeof (type))
  35 #define HW_MALLOC(me,type) (type*) hw_malloc (me, sizeof (type))
  36 #define HW_NALLOC(me,type,n) (type*) hw_malloc (me, sizeof (type) * (n))
  37 #define HW_NZALLOC(me,type,n) (type*) hw_zalloc (me, sizeof (type) * (n))
  38
  39 extern void *hw_zalloc (struct hw *me, unsigned long size);
  40 extern void *hw_malloc (struct hw *me, unsigned long size);
  41
  42 extern void hw_free (struct hw *me, void *);
  43
  44
  45 /* Duplicate a string allocating memory using the per-device heap */
  46
  47 extern char *hw_strdup (struct hw *me, const char *str);
  48
  49 #endif