From: Marion Guthmuller <marion.guthmuller@loria.fr>
Date: Wed, 13 Jun 2012 15:21:29 +0000 (+0200)
Subject: model-checker : fix std_heap address for heap comparison algorithm
X-Git-Tag: v3_8~622
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/32417005181718d147397265dff392af44eedc3b

model-checker : fix std_heap address for heap comparison algorithm
---

diff --git a/src/include/mc/mc.h b/src/include/mc/mc.h
index 3073498062..4b34fd6733 100644
--- a/src/include/mc/mc.h
+++ b/src/include/mc/mc.h
@@ -15,6 +15,7 @@
 #include "simgrid/modelchecker.h" /* our public interface (and definition of HAVE_MC) */
 #include "xbt/automaton.h"
 
+#define STD_HEAP_SIZE   20480000        /* Maximum size of the system's heap */
 
 SG_BEGIN_DECL()
 
diff --git a/src/mc/mc_private.h b/src/mc/mc_private.h
index a64ca64675..b088e88ff4 100644
--- a/src/mc/mc_private.h
+++ b/src/mc/mc_private.h
@@ -137,7 +137,7 @@ void MC_print_statistics_pairs(mc_stats_pair_t);
 
 extern void *std_heap;
 extern void *raw_heap;
-#define STD_HEAP_SIZE   20480000        /* Maximum size of the system's heap */
+
 
 /* FIXME: Horrible hack! because the mmalloc library doesn't provide yet of */
 /* an API to query about the status of a heap, we simply call mmstats and */
diff --git a/src/xbt/mmalloc/mm_diff.c b/src/xbt/mmalloc/mm_diff.c
index 6e54a5d2f1..4c37c9ea07 100644
--- a/src/xbt/mmalloc/mm_diff.c
+++ b/src/xbt/mmalloc/mm_diff.c
@@ -7,6 +7,7 @@
 
 #include "xbt/ex_interface.h" /* internals of backtrace setup */
 #include "xbt/str.h"
+#include "mc/mc.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mm_diff, xbt,
                                 "Logging specific to mm_diff in mmalloc");
@@ -197,7 +198,7 @@ int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2){
   //void* heapbase1 = (char *)mdp1 + ((char *)mdp1->heapbase - (char *)s_heap);
   //void* heapbase2 = (char *)mdp2 + ((char *)mdp2->heapbase - (char *)s_heap);
 
-  xbt_mheap_t s_heap = mmalloc_get_current_heap();
+  void* s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
     
   void *heapbase1 = (char *)mdp1 + BLOCKSIZE;
   void *heapbase2 = (char *)mdp2 + BLOCKSIZE;