+ }
+
+ xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
+
+ MC_UNSET_RAW_MEM;
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+}
+
+void MC_ignore_data_bss(void *address, size_t size){
+
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ MC_SET_RAW_MEM;
+
+ if(mc_data_bss_comparison_ignore == NULL)
+ mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL);
+
+ if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
+
+ mc_data_bss_ignore_variable_t var = NULL;
+ var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
+ var->address = address;
+ var->size = size;
+
+ xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
+
+ }else{
+
+ unsigned int cursor = 0;
+ int start = 0;
+ int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
+ mc_data_bss_ignore_variable_t current_var = NULL;
+
+ while(start <= end){
+ cursor = (start + end) / 2;
+ current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
+ if(current_var->address == address){
+ MC_UNSET_RAW_MEM;
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+ return;
+ }
+ if(current_var->address < address)
+ start = cursor + 1;
+ if(current_var->address > address)
+ end = cursor - 1;
+ }
+
+ mc_data_bss_ignore_variable_t var = NULL;
+ var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
+ var->address = address;
+ var->size = size;
+
+ if(current_var->address > address)
+ xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
+ else
+ xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
+
+ }
+
+ MC_UNSET_RAW_MEM;
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+}
+
+void MC_ignore_stack(const char *var_name, const char *frame){
+
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ MC_SET_RAW_MEM;
+
+ if(mc_stack_comparison_ignore == NULL)
+ mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL);
+
+ if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
+
+ mc_stack_ignore_variable_t var = NULL;
+ var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
+ var->var_name = strdup(var_name);
+ var->frame = strdup(frame);
+
+ xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
+
+ }else{
+
+ unsigned int cursor = 0;
+ int start = 0;
+ int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
+ mc_stack_ignore_variable_t current_var = NULL;
+
+ while(start <= end){
+ cursor = (start + end) / 2;
+ current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
+ if(strcmp(current_var->frame, frame) == 0){
+ if(strcmp(current_var->var_name, var_name) == 0){
+ MC_UNSET_RAW_MEM;
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+ return;
+ }
+ if(strcmp(current_var->var_name, var_name) < 0)
+ start = cursor + 1;
+ if(strcmp(current_var->var_name, var_name) > 0)
+ end = cursor - 1;
+ }
+ if(strcmp(current_var->frame, frame) < 0)
+ start = cursor + 1;
+ if(strcmp(current_var->frame, frame) > 0)
+ end = cursor - 1;
+ }
+
+ mc_stack_ignore_variable_t var = NULL;
+ var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
+ var->var_name = strdup(var_name);
+ var->frame = strdup(frame);
+
+ if(strcmp(current_var->frame, frame) < 0)
+ xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
+ else
+ xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
+
+ }
+
+ MC_UNSET_RAW_MEM;
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+
+}
+
+void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
+
+ int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ MC_SET_RAW_MEM;
+ if(stacks_areas == NULL)
+ stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
+
+ stack_region_t region = NULL;
+ region = xbt_new0(s_stack_region_t, 1);
+ region->address = stack;
+ region->process_name = strdup(name);
+ region->context = context;
+ region->size = size;
+ xbt_dynar_push(stacks_areas, ®ion);
+
+ MC_UNSET_RAW_MEM;
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+}
+
+/************ DWARF ***********/
+
+xbt_dict_t MC_get_location_list(const char *elf_file){
+
+ char *command = bprintf("objdump -Wo %s", elf_file);
+
+ FILE *fp = popen(command, "r");
+
+ if(fp == NULL)
+ perror("popen for objdump failed");
+
+ int debug = 0; /*Detect if the program has been compiled with -g */
+
+ xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
+ char *line = NULL, *loc_expr = NULL;
+ ssize_t read;
+ size_t n = 0;
+ int cursor_remove;
+ xbt_dynar_t split = NULL;
+
+ while ((read = getline(&line, &n, fp)) != -1) {
+
+ /* Wipeout the new line character */
+ line[read - 1] = '\0';
+
+ xbt_str_trim(line, NULL);
+
+ if(n == 0)
+ continue;
+
+ if(strlen(line) == 0)
+ continue;
+
+ if(debug == 0){
+
+ if(strncmp(line, elf_file, strlen(elf_file)) == 0)
+ continue;
+
+ if(strncmp(line, "Contents", 8) == 0)
+ continue;
+
+ if(strncmp(line, "Offset", 6) == 0){
+ debug = 1;
+ continue;
+ }
+ }
+
+ if(debug == 0){
+ XBT_INFO("Your program must be compiled with -g");
+ xbt_abort();
+ }
+
+ xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
+
+ xbt_str_strip_spaces(line);
+ split = xbt_str_split(line, " ");
+
+ while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
+
+ dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
+ new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
+ new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
+
+ cursor_remove =0;
+ while(cursor_remove < 3){
+ xbt_dynar_remove_at(split, 0, NULL);
+ cursor_remove++;
+ }
+
+ loc_expr = xbt_str_join(split, " ");
+ xbt_str_ltrim(loc_expr, "(");
+ xbt_str_rtrim(loc_expr, ")");
+ new_entry->location = get_location(NULL, loc_expr);
+
+ xbt_dynar_push(loclist, &new_entry);
+
+ xbt_dynar_free(&split);
+ free(loc_expr);
+
+ read = getline(&line, &n, fp);
+ if(read != -1){
+ line[read - 1] = '\0';
+ xbt_str_strip_spaces(line);
+ split = xbt_str_split(line, " ");
+ }
+
+ }
+
+
+ char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
+ xbt_dict_set(location_list, key, loclist, NULL);
+
+ xbt_dynar_free(&split);
+
+ }
+
+ free(line);
+ free(command);
+ pclose(fp);
+
+ return location_list;
+}
+
+char *get_libsimgrid_path(){
+
+ char *command = bprintf("ldd %s", xbt_binary_name);
+
+ FILE *fp = popen(command, "r");
+ if(fp == NULL)
+ perror("popen for ldd failed");
+
+ char *line;
+ ssize_t read;
+ size_t n = 0;
+ xbt_dynar_t split;
+
+ while((read = getline(&line, &n, fp)) != -1){
+
+ if(n == 0)
+ continue;
+
+ /* Wipeout the new line character */
+ line[read - 1] = '\0';
+
+ xbt_str_strip_spaces(line);
+ xbt_str_ltrim(line, NULL);
+ split = xbt_str_split(line, " ");
+
+ if(strncmp((char *)xbt_dynar_get_as(split, 0, char *), "libsimgrid.so", 13) == 0){
+ free(line);
+ free(command);
+ pclose(fp);
+ return ((char *)xbt_dynar_get_as(split, 2, char *));
+ }
+
+ xbt_dynar_free(&split);
+
+ }
+
+ free(line);
+ free(command);
+ pclose(fp);
+
+ return NULL;
+
+}
+
+static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
+
+ xbt_dict_cursor_t cursor = NULL;
+ char *name;
+ dw_frame_t res;
+
+ xbt_dict_foreach(all_variables, cursor, name, res) {
+ if(offset >= res->start && offset < res->end)
+ return res;
+ }
+
+ return NULL;
+
+}
+
+void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){
+
+ char *command = bprintf("objdump -Wi %s", elf_file);
+
+ FILE *fp = popen(command, "r");
+
+ if(fp == NULL)
+ perror("popen for objdump failed");
+
+ char *line = NULL, *origin, *abstract_origin, *current_frame = NULL;
+ ssize_t read =0;
+ size_t n = 0;
+ int valid_variable = 1;
+ char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL;
+ xbt_dynar_t split = NULL, split2 = NULL;
+
+ xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL);
+ xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL);
+ char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL;
+ int new_frame = 0, new_variable = 0;
+ dw_frame_t variable_frame, subroutine_frame = NULL;
+
+ read = getline(&line, &n, fp);
+
+ while (read != -1) {
+
+ if(n == 0){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ /* Wipeout the new line character */
+ line[read - 1] = '\0';
+
+ if(strlen(line) == 0){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ xbt_str_ltrim(line, NULL);
+ xbt_str_strip_spaces(line);
+
+ if(line[0] != '<'){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ xbt_dynar_free(&split);
+ split = xbt_str_split(line, " ");
+
+ /* Get node type */
+ node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
+
+ if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
+
+ dw_frame_t frame = NULL;
+
+ strtok(xbt_dynar_get_as(split, 0, char *), "<");
+ subprogram_start = strdup(strtok(NULL, "<"));
+ xbt_str_rtrim(subprogram_start, ">:");
+
+ read = getline(&line, &n, fp);
+
+ while(read != -1){
+
+ if(n == 0){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ /* Wipeout the new line character */
+ line[read - 1] = '\0';
+
+ if(strlen(line) == 0){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ xbt_dynar_free(&split);
+ xbt_str_rtrim(line, NULL);
+ xbt_str_strip_spaces(line);
+ split = xbt_str_split(line, " ");
+
+ node_type = xbt_dynar_get_as(split, 1, char *);
+
+ if(strncmp(node_type, "DW_AT_", 6) != 0)
+ break;
+
+ if(strcmp(node_type, "DW_AT_sibling") == 0){
+
+ subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*));
+ xbt_str_ltrim(subprogram_end, "<0x");
+ xbt_str_rtrim(subprogram_end, ">");
+
+ }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
+
+ new_frame = 0;
+ abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*));
+ xbt_str_ltrim(abstract_origin, "<0x");
+ xbt_str_rtrim(abstract_origin, ">");
+ subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
+ frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
+
+ }else if(strcmp(node_type, "DW_AT_name") == 0){
+
+ new_frame = 1;
+ free(current_frame);
+ frame = xbt_new0(s_dw_frame_t, 1);
+ frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
+ frame->variables = xbt_dict_new_homogeneous(NULL);
+ frame->frame_base = xbt_new0(s_dw_location_t, 1);
+ current_frame = strdup(frame->name);
+
+ xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
+
+ }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
+
+ location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
+
+ if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
+
+ frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
+
+ }else{
+
+ xbt_str_strip_spaces(line);
+ split2 = xbt_str_split(line, "(");
+ xbt_dynar_remove_at(split2, 0, NULL);
+ loc_expr = xbt_str_join(split2, " ");
+ xbt_str_rtrim(loc_expr, ")");
+ frame->frame_base = get_location(NULL, loc_expr);
+ xbt_dynar_free(&split2);
+
+ }
+
+ }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
+
+ if(frame != NULL)
+ frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
+
+ }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
+
+ if(frame != NULL)
+ frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
+
+ }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
+
+ free(frame->name);
+ free(current_frame);
+ frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
+ current_frame = strdup(frame->name);
+ xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
+
+ }
+
+ read = getline(&line, &n, fp);
+
+ }
+
+ if(new_frame == 1){
+ frame->start = strtoul(subprogram_start, NULL, 16);
+ if(subprogram_end != NULL)
+ frame->end = strtoul(subprogram_end, NULL, 16);
+ xbt_dict_set(*all_variables, frame->name, frame, NULL);
+ }
+
+ free(subprogram_start);
+ if(subprogram_end != NULL){
+ free(subprogram_end);
+ subprogram_end = NULL;
+ }
+
+
+ }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
+
+ dw_local_variable_t var = NULL;
+
+ strtok(xbt_dynar_get_as(split, 0, char *), "<");
+ origin = strdup(strtok(NULL, "<"));
+ xbt_str_rtrim(origin, ">:");
+
+ read = getline(&line, &n, fp);
+
+ while(read != -1){
+
+ if(n == 0){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ /* Wipeout the new line character */
+ line[read - 1] = '\0';
+
+ if(strlen(line) == 0){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ xbt_dynar_free(&split);
+ xbt_str_rtrim(line, NULL);
+ xbt_str_strip_spaces(line);
+ split = xbt_str_split(line, " ");
+
+ node_type = xbt_dynar_get_as(split, 1, char *);
+
+ if(strncmp(node_type, "DW_AT_", 6) != 0)
+ break;
+
+ if(strcmp(node_type, "DW_AT_name") == 0){
+
+ new_variable = 1;
+ var = xbt_new0(s_dw_local_variable_t, 1);
+ var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
+
+ xbt_dict_set(variables_origin, origin, var->name, NULL);
+
+ }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
+
+ new_variable = 0;
+ abstract_origin = xbt_dynar_get_as(split, 2, char *);
+ xbt_str_ltrim(abstract_origin, "<0x");
+ xbt_str_rtrim(abstract_origin, ">");
+
+ variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
+ variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16));
+ var = xbt_dict_get_or_null(variable_frame->variables, variable_name);
+
+ }else if(strcmp(node_type, "DW_AT_location") == 0){
+
+ if(valid_variable == 1 && var != NULL){
+
+ var->location = xbt_new0(s_dw_location_t, 1);
+
+ location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
+
+ if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
+
+ var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
+
+ }else{
+
+ xbt_str_strip_spaces(line);
+ split2 = xbt_str_split(line, "(");
+ xbt_dynar_remove_at(split2, 0, NULL);
+ loc_expr = xbt_str_join(split2, " ");
+ xbt_str_rtrim(loc_expr, ")");
+ var->location = get_location(NULL, loc_expr);
+ xbt_dynar_free(&split2);
+
+ }
+
+ }
+
+ }else if(strcmp(node_type, "DW_AT_external") == 0){
+
+ valid_variable = 0;
+
+ }
+
+ read = getline(&line, &n, fp);
+
+ }
+
+ if(new_variable == 1 && valid_variable == 1){
+
+ variable_frame = xbt_dict_get_or_null(*all_variables, current_frame);
+ xbt_dict_set(variable_frame->variables, var->name, var, NULL);
+ }
+
+ valid_variable = 1;
+ new_variable = 0;
+
+ }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
+
+ strtok(xbt_dynar_get_as(split, 0, char *), "<");
+ origin = strdup(strtok(NULL, "<"));
+ xbt_str_rtrim(origin, ">:");
+
+ read = getline(&line, &n, fp);
+
+ while(read != -1){
+
+ /* Wipeout the new line character */
+ line[read - 1] = '\0';
+
+ if(n == 0){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ if(strlen(line) == 0){
+ read = getline(&line, &n, fp);
+ continue;
+ }
+
+ xbt_dynar_free(&split);
+ xbt_str_rtrim(line, NULL);
+ xbt_str_strip_spaces(line);
+ split = xbt_str_split(line, " ");
+
+ if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
+ break;
+
+ node_type = xbt_dynar_get_as(split, 1, char *);
+
+ if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
+
+ origin = xbt_dynar_get_as(split, 2, char *);
+ xbt_str_ltrim(origin, "<0x");
+ xbt_str_rtrim(origin, ">");
+
+ subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
+ subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
+
+ }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
+
+ subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
+
+ }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
+
+ subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
+ }
+
+ read = getline(&line, &n, fp);
+
+ }
+
+ }else{
+
+ read = getline(&line, &n, fp);
+