set size_used negative for free fragment/block

[simgrid.git] / src / xbt / mmalloc / mm_diff.c

diff --git a/src/xbt/mmalloc/mm_diff.c b/src/xbt/mmalloc/mm_diff.c
index ac7fe35..6115d9a 100644 (file)
--- a/src/xbt/mmalloc/mm_diff.c
+++ b/src/xbt/mmalloc/mm_diff.c
@@ -15,7 +15,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mm_diff, xbt,
 
 extern char *xbt_binary_name;
 
-xbt_dynar_t mmalloc_ignore;
+xbt_dynar_t mc_comparison_ignore;
 xbt_dynar_t stacks_areas;
 
 static void heap_area_pair_free(heap_area_pair_t pair);
@@ -27,7 +27,7 @@ static heap_area_t new_heap_area(int block, int fragment);
 static int compare_area(void *area1, void* area2, size_t size, xbt_dynar_t previous, int check_ignore);
 static void match_equals(xbt_dynar_t list, xbt_dynar_t *equals);
 
-static int in_mmalloc_ignore(int block, int fragment);
+static int in_mc_comparison_ignore(int block, int fragment);
 static size_t heap_comparison_ignore(void *address);
 static void add_heap_equality(xbt_dynar_t *equals, void *a1, void *a2);
 static void remove_heap_equality(xbt_dynar_t *equals, int address, void *a);
@@ -204,11 +204,11 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac
         continue;
       }
 
-      if(heapinfo1[i1].busy_block.equal_to != NULL){         
+      if(heapinfo1[i1].busy_block.equal_to != NULL){
         i1++;
         continue;
       }
-      
+    
       i2 = 1;
       equal = 0;
   
@@ -220,7 +220,6 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac
           if(heapinfo1[current_block].busy_block.busy_size == heapinfo2[current_block].busy_block.busy_size){
 
             addr_block2 = ((void*) (((ADDR2UINT(current_block)) - 1) * BLOCKSIZE + (char*)heapbase2));
-
             real_addr_block2 = (char*)((xbt_mheap_t)s_heap)->heapbase + (((char *)addr_block2) - (char *)heapbase2);
           
             if((stack_name = is_stack(real_addr_block2)) != NULL){
@@ -233,8 +232,8 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac
         
             add_heap_area_pair(previous, current_block, -1, current_block, -1);
         
-            if(ignore_done < xbt_dynar_length(mmalloc_ignore)){
-              if(in_mmalloc_ignore((int)current_block, -1))
+            if(ignore_done < xbt_dynar_length(mc_comparison_ignore)){
+              if(in_mc_comparison_ignore((int)current_block, -1))
                 res_compare = compare_area(addr_block1, addr_block2, heapinfo1[current_block].busy_block.busy_size, previous, 1);
               else
                 res_compare = compare_area(addr_block1, addr_block2, heapinfo1[current_block].busy_block.busy_size, previous, 0);
@@ -262,8 +261,7 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac
 
       while(i2 <= heaplimit && !equal){
 
-        addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)heapbase2));
-        
+        addr_block2 = ((void*) (((ADDR2UINT(i2)) - 1) * BLOCKSIZE + (char*)heapbase2));        
         real_addr_block2 = (char*)((xbt_mheap_t)s_heap)->heapbase + (((char *)addr_block2) - (char *)heapbase2);
         
         if((stack_name = is_stack(real_addr_block2)) != NULL){
@@ -302,8 +300,8 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac
         /* Comparison */
         add_heap_area_pair(previous, i1, -1, i2, -1);
         
-        if(ignore_done < xbt_dynar_length(mmalloc_ignore)){
-          if(in_mmalloc_ignore((int)i1, -1))
+        if(ignore_done < xbt_dynar_length(mc_comparison_ignore)){
+          if(in_mc_comparison_ignore((int)i1, -1))
             res_compare = compare_area(addr_block1, addr_block2, heapinfo1[i1].busy_block.busy_size, previous, 1);
           else
             res_compare = compare_area(addr_block1, addr_block2, heapinfo1[i1].busy_block.busy_size, previous, 0);
@@ -336,10 +334,10 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac
 
         current_fragment = j1;
 
-        if(heapinfo1[i1].busy_frag.frag_size[j1] == 0) /* Free fragment */
+        if(heapinfo1[i1].busy_frag.frag_size[j1] == -1) /* Free fragment */
           continue;
-        
-        if(heapinfo1[i1].busy_frag.equal_to[j1] != NULL)                
+
+        if(heapinfo1[i1].busy_frag.equal_to[j1] != NULL)
           continue;
 
         addr_frag1 = (void*) ((char *)addr_block1 + (j1 << heapinfo1[i1].type));
@@ -359,8 +357,8 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac
                
                 add_heap_area_pair(previous, current_block, current_fragment, current_block, current_fragment);
             
-                if(ignore_done < xbt_dynar_length(mmalloc_ignore)){
-                  if(in_mmalloc_ignore((int)current_block, (int)current_fragment))
+                if(ignore_done < xbt_dynar_length(mc_comparison_ignore)){
+                  if(in_mc_comparison_ignore((int)current_block, (int)current_fragment))
                     res_compare = compare_area(addr_frag1, addr_frag2, heapinfo1[current_block].busy_frag.frag_size[current_fragment], previous, 1);
                   else
                     res_compare = compare_area(addr_frag1, addr_frag2, heapinfo1[current_block].busy_frag.frag_size[current_fragment], previous, 0);
@@ -406,8 +404,8 @@ int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stac
             /* Comparison */
             add_heap_area_pair(previous, i1, j1, i2, j2);
             
-            if(ignore_done < xbt_dynar_length(mmalloc_ignore)){
-              if(in_mmalloc_ignore((int)i1, (int)j1))
+            if(ignore_done < xbt_dynar_length(mc_comparison_ignore)){
+              if(in_mc_comparison_ignore((int)i1, (int)j1))
                 res_compare = compare_area(addr_frag1, addr_frag2, heapinfo1[i1].busy_frag.frag_size[j1], previous, 1);
               else
                 res_compare = compare_area(addr_frag1, addr_frag2, heapinfo1[i1].busy_frag.frag_size[j1], previous, 0);
@@ -524,16 +522,16 @@ static heap_area_t new_heap_area(int block, int fragment){
   return area;
 }
 
-static int in_mmalloc_ignore(int block, int fragment){
+static int in_mc_comparison_ignore(int block, int fragment){
 
   unsigned int cursor = 0;
   int start = 0;
-  int end = xbt_dynar_length(mmalloc_ignore) - 1;
+  int end = xbt_dynar_length(mc_comparison_ignore) - 1;
   mc_ignore_region_t region;
 
   while(start <= end){
     cursor = (start + end) / 2;
-    region = (mc_ignore_region_t)xbt_dynar_get_as(mmalloc_ignore, cursor, mc_ignore_region_t);
+    region = (mc_ignore_region_t)xbt_dynar_get_as(mc_comparison_ignore, cursor, mc_ignore_region_t);
     if(region->block == block){
       if(region->fragment == fragment)
         return 1;
@@ -554,12 +552,12 @@ static int in_mmalloc_ignore(int block, int fragment){
 static size_t heap_comparison_ignore(void *address){
   unsigned int cursor = 0;
   int start = 0;
-  int end = xbt_dynar_length(mmalloc_ignore) - 1;
+  int end = xbt_dynar_length(mc_comparison_ignore) - 1;
   mc_ignore_region_t region;
 
   while(start <= end){
     cursor = (start + end) / 2;
-    region = (mc_ignore_region_t)xbt_dynar_get_as(mmalloc_ignore, cursor, mc_ignore_region_t);
+    region = (mc_ignore_region_t)xbt_dynar_get_as(mc_comparison_ignore, cursor, mc_ignore_region_t);
     if(region->address == address)
       return region->size;
     if(region->address < address)
@@ -628,8 +626,8 @@ static int compare_area(void *area1, void* area2, size_t size, xbt_dynar_t previ
 
           if(add_heap_area_pair(previous, block_pointed1, -1, block_pointed2, -1)){
 
-            if(ignore_done < xbt_dynar_length(mmalloc_ignore)){
-              if(in_mmalloc_ignore(block_pointed1, -1))
+            if(ignore_done < xbt_dynar_length(mc_comparison_ignore)){
+              if(in_mc_comparison_ignore(block_pointed1, -1))
                 res_compare = compare_area(addr_block_pointed1, addr_block_pointed2, heapinfo1[block_pointed1].busy_block.busy_size, previous, 1);
               else
                 res_compare = compare_area(addr_block_pointed1, addr_block_pointed2, heapinfo1[block_pointed1].busy_block.busy_size, previous, 0);
@@ -656,8 +654,8 @@ static int compare_area(void *area1, void* area2, size_t size, xbt_dynar_t previ
 
           if(add_heap_area_pair(previous, block_pointed1, frag_pointed1, block_pointed2, frag_pointed2)){
 
-            if(ignore_done < xbt_dynar_length(mmalloc_ignore)){
-              if(in_mmalloc_ignore(block_pointed1, frag_pointed1))
+            if(ignore_done < xbt_dynar_length(mc_comparison_ignore)){
+              if(in_mc_comparison_ignore(block_pointed1, frag_pointed1))
                 res_compare = compare_area(addr_frag_pointed1, addr_frag_pointed2, heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1], previous, 1);
               else
                 res_compare = compare_area(addr_frag_pointed1, addr_frag_pointed2, heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1], previous, 0);
@@ -690,8 +688,8 @@ static int compare_area(void *area1, void* area2, size_t size, xbt_dynar_t previ
 
           if(add_heap_area_pair(previous, block_pointed1, frag_pointed1, block_pointed2, frag_pointed2)){
 
-            if(ignore_done < xbt_dynar_length(mmalloc_ignore)){
-              if(in_mmalloc_ignore(block_pointed1, frag_pointed1))
+            if(ignore_done < xbt_dynar_length(mc_comparison_ignore)){
+              if(in_mc_comparison_ignore(block_pointed1, frag_pointed1))
                 res_compare = compare_area(addr_frag_pointed1, addr_frag_pointed2, heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1], previous, 1);
               else
                 res_compare = compare_area(addr_frag_pointed1, addr_frag_pointed2, heapinfo1[block_pointed1].busy_frag.frag_size[frag_pointed1], previous, 0);