+ }
+
+ if(xbt_dynar_length(result) == 0){
+ XBT_INFO("unw_init_local failed");
+ xbt_abort();
+ }
+
+ return result;
+};
+
+static xbt_dynar_t MC_take_snapshot_stacks(mc_snapshot_t *snapshot, void *heap){
+
+ xbt_dynar_t res = xbt_dynar_new(sizeof(s_mc_snapshot_stack_t), MC_snapshot_stack_free_voidp);
+
+ unsigned int cursor = 0;
+ stack_region_t current_stack;
+
+ xbt_dynar_foreach(stacks_areas, cursor, current_stack){
+ mc_snapshot_stack_t st = xbt_new(s_mc_snapshot_stack_t, 1);
+ st->stack_frames = MC_unwind_stack_frames(current_stack->context);
+ st->local_variables = MC_get_local_variables_values(st->stack_frames);
+
+ unw_word_t sp = xbt_dynar_get_as(st->stack_frames, 0, mc_stack_frame_t)->sp;
+ st->stack_pointer = ((char *)heap + (size_t)(((char *)((long)sp) - (char*)std_heap)));
+
+ st->real_address = current_stack->address;
+ xbt_dynar_push(res, &st);
+ (*snapshot)->stack_sizes = xbt_realloc((*snapshot)->stack_sizes, (cursor + 1) * sizeof(size_t));
+ (*snapshot)->stack_sizes[cursor] = current_stack->size - ((char *)st->stack_pointer - (char *)((char *)heap + ((char *)current_stack->address - (char *)std_heap)));
+ }
+
+ return res;
+
+}
+
+static xbt_dynar_t MC_take_snapshot_ignore(){
+
+ if(mc_heap_comparison_ignore == NULL)
+ return NULL;
+
+ xbt_dynar_t cpy = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
+
+ unsigned int cursor = 0;
+ mc_heap_ignore_region_t current_region;
+
+ xbt_dynar_foreach(mc_heap_comparison_ignore, cursor, current_region){
+ mc_heap_ignore_region_t new_region = NULL;
+ new_region = xbt_new0(s_mc_heap_ignore_region_t, 1);
+ new_region->address = current_region->address;
+ new_region->size = current_region->size;
+ new_region->block = current_region->block;
+ new_region->fragment = current_region->fragment;
+ xbt_dynar_push(cpy, &new_region);
+ }
+
+ return cpy;
+
+}
+
+static void MC_dump_checkpoint_ignore(mc_snapshot_t snapshot){
+
+ unsigned int cursor = 0;
+ mc_checkpoint_ignore_region_t region;
+ size_t offset;
+
+ xbt_dynar_foreach(mc_checkpoint_ignore, cursor, region){
+ if(region->addr > snapshot->regions[0]->start_addr && (char *)(region->addr) < (char *)snapshot->regions[0]->start_addr + STD_HEAP_SIZE){
+ offset = (char *)region->addr - (char *)snapshot->regions[0]->start_addr;
+ memset((char *)snapshot->regions[0]->data + offset, 0, region->size);
+ }else if(region->addr > snapshot->regions[2]->start_addr && (char *)(region->addr) < (char*)snapshot->regions[2]->start_addr + snapshot->regions[2]->size){
+ offset = (char *)region->addr - (char *)snapshot->regions[2]->start_addr;
+ memset((char *)snapshot->regions[2]->data + offset, 0, region->size);
+ }else if(region->addr > snapshot->regions[1]->start_addr && (char *)(region->addr) < (char*)snapshot->regions[1]->start_addr + snapshot->regions[1]->size){
+ offset = (char *)region->addr - (char *)snapshot->regions[1]->start_addr;
+ memset((char *)snapshot->regions[1]->data + offset, 0, region->size);