1 /* Copyright (c) 2008-2012 Da SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "mc_private.h"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_memory, mc,
13 "Logging specific to MC (memory)");
15 /* Pointers to each of the heap regions to use */
16 void *std_heap = NULL; /* memory erased each time the MC stuff rollbacks to the beginning. Almost everything goes here */
17 void *raw_heap = NULL; /* memory persistent over the MC rollbacks. Only MC stuff should go there */
19 /* Initialize the model-checker memory subsystem */
20 /* It creates the two heap regions: std_heap and raw_heap */
23 /* Create the first region HEAP_OFFSET bytes after the heap break address */
24 std_heap = mmalloc_get_default_md();
25 xbt_assert(std_heap != NULL);
27 /* Create the second region a page after the first one ends + safety gap */
28 raw_heap = xbt_mheap_new(-1, (char*)(std_heap) + STD_HEAP_SIZE + getpagesize());
29 xbt_assert(raw_heap != NULL);
32 /* Finalize the memory subsystem */
33 #include "xbt_modinter.h"
34 void MC_memory_exit(void)
37 xbt_mheap_destroy(raw_heap);