binutils-gdb/sim/common/hw-alloc.c
Joel Brobecker 8acc9f485b Update years in copyright notice for the GDB files.
Two modifications:
  1. The addition of 2013 to the copyright year range for every file;
  2. The use of a single year range, instead of potentially multiple
     year ranges, as approved by the FSF.
2013-01-01 06:41:43 +00:00

92 lines
2.0 KiB
C

/* Hardware memory allocator.
Copyright (C) 1998-2013 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/>. */
#include "hw-main.h"
#include "hw-base.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
struct hw_alloc_data
{
void *alloc;
struct hw_alloc_data *next;
};
void
create_hw_alloc_data (struct hw *me)
{
/* NULL */
}
void
delete_hw_alloc_data (struct hw *me)
{
while (me->alloc_of_hw != NULL)
{
hw_free (me, me->alloc_of_hw->alloc);
}
}
void *
hw_zalloc (struct hw *me, unsigned long size)
{
struct hw_alloc_data *memory = ZALLOC (struct hw_alloc_data);
memory->alloc = zalloc (size);
memory->next = me->alloc_of_hw;
me->alloc_of_hw = memory;
return memory->alloc;
}
void *
hw_malloc (struct hw *me, unsigned long size)
{
struct hw_alloc_data *memory = ZALLOC (struct hw_alloc_data);
memory->alloc = zalloc (size);
memory->next = me->alloc_of_hw;
me->alloc_of_hw = memory;
return memory->alloc;
}
void
hw_free (struct hw *me,
void *alloc)
{
struct hw_alloc_data **memory;
for (memory = &me->alloc_of_hw;
*memory != NULL;
memory = &(*memory)->next)
{
if ((*memory)->alloc == alloc)
{
struct hw_alloc_data *die = (*memory);
(*memory) = die->next;
free (die->alloc);
free (die);
return;
}
}
hw_abort (me, "free of memory not belonging to a device");
}