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/* Dump memory allocation routines
Copyright (C) 1996 Maurizio Plaza
1996 Jakub Jelinek
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 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define MALLOC_BASE 0x2B0000
extern unsigned long _start;
static char *malloc_ptr = ((char *)&_start) + 0x30000;
static char *last_alloc = 0;
void *malloc (int size)
{
char *caddr;
caddr = malloc_ptr;
malloc_ptr += size;
last_alloc = caddr;
malloc_ptr = (char *) ((((unsigned long) malloc_ptr) + 7) & (~7));
return caddr;
}
void free (void *m)
{
if (m == last_alloc)
malloc_ptr = last_alloc;
}
void mark (void **ptr)
{
*ptr = (void *) malloc_ptr;
}
void release (void *ptr)
{
malloc_ptr = (char *) ptr;
}
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