- 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 = xbt_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_free(key);
-
- xbt_dynar_free(&split);
-
- }
-
- xbt_free(line);
- xbt_free(command);
- pclose(fp);
-
- return location_list;
-}
-
-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){
- xbt_dict_cursor_free(&cursor);
- return res;
- }
- }
-
- xbt_dict_cursor_free(&cursor);
- 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 = xbt_getline(&line, &n, fp);
-
- while (read != -1) {
-
- if(n == 0){
- read = xbt_getline(&line, &n, fp);
- continue;
- }
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(strlen(line) == 0){
- read = xbt_getline(&line, &n, fp);
- continue;
- }
-
- xbt_str_ltrim(line, NULL);
- xbt_str_strip_spaces(line);
-
- if(line[0] != '<'){
- read = xbt_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 = xbt_getline(&line, &n, fp);
-
- while(read != -1){
-
- if(n == 0){
- read = xbt_getline(&line, &n, fp);
- continue;
- }
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(strlen(line) == 0){
- read = xbt_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);
- xbt_free(abstract_origin);
-
- }else if(strcmp(node_type, "DW_AT_name") == 0){
-
- new_frame = 1;
- xbt_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);
- xbt_free(loc_expr);
-
- }
-
- }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){
-
- xbt_free(frame->name);
- xbt_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 = xbt_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);
- }
-
- xbt_free(subprogram_start);
- xbt_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 = xbt_getline(&line, &n, fp);
-
- while(read != -1){
-
- if(n == 0){
- read = xbt_getline(&line, &n, fp);
- continue;
- }
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(strlen(line) == 0){
- read = xbt_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);
- xbt_free(loc_expr);
-
- }
-
- }
-
- }else if(strcmp(node_type, "DW_AT_external") == 0){
-
- valid_variable = 0;
-
- }
-
- read = xbt_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 = xbt_getline(&line, &n, fp);
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0){
- read = xbt_getline(&line, &n, fp);
- continue;
- }
-
- if(strlen(line) == 0){
- read = xbt_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 = xbt_getline(&line, &n, fp);
-
- }
-
- }else{
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- }
-
- xbt_dynar_free(&split);
- xbt_free(line);
- xbt_free(command);
- pclose(fp);