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Initial creation of sourceware repository

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This commit is contained in:
Stan Shebs
1999-04-16 01:34:07 +00:00
parent 1730ec6b18
commit 071ea11e85
4868 changed files with 0 additions and 1779167 deletions
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99
sim/common/hw-alloc.c
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@@ -1,99 +0,0 @@
/* Hardware memory allocator.
Copyright (C) 1998 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 2, 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, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "sim-main.h"
#include "hw-base.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
struct hw_alloc_data {
void *alloc;
int zalloc_p;
struct hw_alloc_data *next;
};
void
create_hw_alloc_data (struct hw *me)
{
/* NULL */
}
void
delete_hw_alloc_data (struct hw *me)
{
if (me->alloc_of_hw != NULL)
hw_abort (me, "hw-alloc botch");
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->zalloc_p = 1;
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->zalloc_p = 0;
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;
if (die->zalloc_p)
zfree (die->alloc);
else
free (die->alloc);
zfree (die);
return;
}
}
hw_abort (me, "free of memory not belonging to a device");
}