-/** @brief Extract the location lists from an ELF file (.debug_loc)
- *
- * @return A map from the offset in the list (in hexadecimal string)
- * into a location list (dynar of dw_location_entry_t).
- */
-static xbt_dict_t MC_dwarf_get_location_list(const char *elf_file){
-
- char *command = bprintf("LANG=C objdump -Wo %s", elf_file);
-
- FILE *fp = popen(command, "r");
-
- if(fp == NULL){
- perror("popen for objdump failed");
- xbt_abort();
- }
-
- 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 = xbt_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, " ");
-
- char *key = NULL;
- while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
-
- // Take the key from the first line of the list:
- if(key==NULL){
- key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
- }
-
- 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 = MC_dwarf_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, " ");
- }
-
- }
-
-
- 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 MC_dwarf_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;
-
-}
-
-static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
-
- unsigned int cursor = 0;
- dw_variable_t current_var;
-
- xbt_dynar_foreach(frame->variables, cursor, current_var){
- if(strcmp(var, current_var->name) == 0)
- return current_var;
- }
-
- return NULL;
-}
-
-static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
-
- if(xbt_dynar_is_empty(variables))
- return 0;
-
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(variables) - 1;
- dw_variable_t var_test = NULL;
-
- while(start <= end){
- cursor = (start + end) / 2;
- var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
- if(strcmp(var_test->name, var) < 0){
- start = cursor + 1;
- }else if(strcmp(var_test->name, var) > 0){
- end = cursor - 1;
- }else{
- if(address){ /* global variable */
- if(var_test->address.address == address)
- return -1;
- if(var_test->address.address > address)
- end = cursor - 1;
- else
- start = cursor + 1;
- }else{ /* local variable */
- return -1;
- }
- }
- }
-
- if(strcmp(var_test->name, var) == 0){
- if(address && var_test->address.address < address)
- return cursor+1;
- else
- return cursor;
- }else if(strcmp(var_test->name, var) < 0)
- return cursor+1;
- else
- return cursor;
-
-}
-
-static void MC_dwarf_get_variables(mc_object_info_t info){
- mc_object_info_t result = info;
- const char *elf_file = info->file_name;
-
- xbt_dict_t location_list = MC_dwarf_get_location_list(elf_file);
-
- char *command = bprintf("LANG=C objdump -Wi %s", elf_file);
-
- FILE *fp = popen(command, "r");
-
- if(fp == NULL)
- perror("popen for objdump failed");
-
- xbt_dict_t *local_variables = &result->local_variables;
- xbt_dynar_t *global_variables = &result->global_variables;
- xbt_dict_t *types = &result->types;
-
- char *line = NULL, *origin, *abstract_origin, *current_frame = NULL,
- *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL,
- *node_type = NULL, *location_type = NULL, *variable_name = NULL,
- *loc_expr = NULL, *name = NULL, *end =NULL, *type_origin = NULL, *global_address = NULL,
- *parent_value = NULL;
-
- ssize_t read =0;
- size_t n = 0;
- int global_variable = 0, parent = 0, new_frame = 0, new_variable = 1, size = 0,
- is_pointer = 0, struct_decl = 0, member_end = 0,
- enumeration_size = 0, subrange = 0, union_decl = 0, offset = 0, index = 0;
-
- xbt_dynar_t split = NULL, split2 = NULL;
-
- xbt_dict_t variables_origin = xbt_dict_new_homogeneous(xbt_free);
- xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(xbt_free);
-
- dw_frame_t variable_frame, subroutine_frame = NULL;
-
- e_dw_type_type type_type = -1;
-
- read = xbt_getline(&line, &n, fp);
-
- while (read != -1) {
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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 */
- /* We build/complete a dw_frame_t object
- * and append it if necessary to the local_variables dictionnary */
-
- dw_frame_t frame = NULL;
-
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- subprogram_start = xbt_strdup(strtok(NULL, "<"));
- xbt_str_rtrim(subprogram_start, ">:");
-
- read = xbt_getline(&line, &n, fp);
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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 = xbt_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 = xbt_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(*local_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_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
- frame->frame_base = xbt_new0(s_dw_location_t, 1);
- current_frame = strdup(frame->name);
-
- xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(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 = MC_dwarf_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 = MC_dwarf_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, xbt_strdup(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(*local_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 */
- /* We build a dw_variable_t object and append it either to
- the list of variables of the frame (local variable)
- or to the list of global variables (global variables). */
-
- dw_variable_t var = NULL;
-
- parent_value = strdup(xbt_dynar_get_as(split, 0, char *));
- parent_value = strtok(parent_value,"<");
- xbt_str_rtrim(parent_value, ">");
- parent = atoi(parent_value);
- xbt_free(parent_value);
-
- if(parent == 1)
- global_variable = 1;
-
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = xbt_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 || 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){
-
- var = xbt_new0(s_dw_variable_t, 1);
- var->name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
- xbt_dict_set(variables_origin, origin, xbt_strdup(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 = MC_dwarf_get_frame_by_offset(*local_variables, strtoul(abstract_origin, NULL, 16));
- var = MC_dwarf_get_variable_by_name(variable_frame, variable_name);
-
- }else if(strcmp(node_type, "DW_AT_location") == 0){
-
- if(var != NULL){
-
- if(!global_variable){
-
- 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->address.location = MC_dwarf_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, ")");
- if(strncmp("DW_OP_addr", loc_expr, 10) == 0){
- global_variable = 1;
- xbt_dynar_free(&split2);
- split2 = xbt_str_split(loc_expr, " ");
- if(strcmp(elf_file, xbt_binary_name) != 0)
- var->address.address = (char *) info->start_text + (long)((void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16));
- else
- // Why is it different ?
- var->address.address = (void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16);
- }else{
- var->address.location = MC_dwarf_get_location(NULL, loc_expr);
- }
- xbt_dynar_free(&split2);
- xbt_free(loc_expr);
- }
- }else{
- global_address = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
- xbt_str_rtrim(global_address, ")");
- if(strcmp(elf_file, xbt_binary_name) != 0)
- var->address.address = (char *) info->start_text + (long)((void *)strtoul(global_address, NULL, 16));
- else
- // Why is it different ?
- var->address.address = (void *)strtoul(global_address, NULL, 16);
- xbt_free(global_address);
- global_address = NULL;
- }
-
- }
-
- }else if(strcmp(node_type, "DW_AT_type") == 0){
-
- type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
- xbt_str_ltrim(type_origin, "<0x");
- xbt_str_rtrim(type_origin, ">");
-
- }else if(strcmp(node_type, "DW_AT_declaration") == 0){
-
- new_variable = 0;
- if(new_variable){
- dw_variable_free(var);
- var = NULL;
- }
-
- }else if(strcmp(node_type, "DW_AT_artificial") == 0){
-
- new_variable = 0;
- if(new_variable){
- dw_variable_free(var);
- var = NULL;
- }
-
- }
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- if(new_variable == 1){
-
- if(!global_variable){
- variable_frame = xbt_dict_get_or_null(*local_variables, current_frame);
- var->type_origin = strdup(type_origin);
- var->global = 0;
- index = MC_dwarf_get_variable_index(variable_frame->variables, var->name, NULL);
- if(index != -1)
- xbt_dynar_insert_at(variable_frame->variables, index, &var);
- }else{
- var->type_origin = strdup(type_origin);
- var->global = 1;
- index = MC_dwarf_get_variable_index(*global_variables, var->name, var->address.address);
- if(index != -1)
- xbt_dynar_insert_at(*global_variables, index, &var);
- }
-
- xbt_free(type_origin);
- type_origin = NULL;
- }
-
- global_variable = 0;
- new_variable = 1;
-
- }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
- /* Update the information on the frame (we should duplicate it instead). */
-
- read = xbt_getline(&line, &n, fp);
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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(*local_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 if(strcmp(node_type, "(DW_TAG_base_type)") == 0
- || strcmp(node_type, "(DW_TAG_enumeration_type)") == 0
- || strcmp(node_type, "(DW_TAG_enumerator)") == 0
- || strcmp(node_type, "(DW_TAG_typedef)") == 0
- || strcmp(node_type, "(DW_TAG_const_type)") == 0
- || strcmp(node_type, "(DW_TAG_subroutine_type)") == 0
- || strcmp(node_type, "(DW_TAG_volatile_type)") == 0
- || (is_pointer = !strcmp(node_type, "(DW_TAG_pointer_type)"))){
-
- /* Create the and add it to the types dictionnary */
-
- if(strcmp(node_type, "(DW_TAG_base_type)") == 0)
- type_type = e_dw_base_type;
- else if(strcmp(node_type, "(DW_TAG_enumeration_type)") == 0)
- type_type = e_dw_enumeration_type;
- else if(strcmp(node_type, "(DW_TAG_enumerator)") == 0)
- type_type = e_dw_enumerator;
- else if(strcmp(node_type, "(DW_TAG_typedef)") == 0)
- type_type = e_dw_typedef;
- else if(strcmp(node_type, "(DW_TAG_const_type)") == 0)
- type_type = e_dw_const_type;
- else if(strcmp(node_type, "(DW_TAG_pointer_type)") == 0)
- type_type = e_dw_pointer_type;
- else if(strcmp(node_type, "(DW_TAG_subroutine_type)") == 0)
- type_type = e_dw_subroutine_type;
- else if(strcmp(node_type, "(DW_TAG_volatile_type)") == 0)
- type_type = e_dw_volatile_type;
-
- 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 || 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_byte_size") == 0){
- size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
- if(type_type == e_dw_enumeration_type)
- enumeration_size = size;
- }else if(strcmp(node_type, "DW_AT_name") == 0){
- end = xbt_str_join(split, " ");
- xbt_dynar_free(&split);
- split = xbt_str_split(end, "):");
- xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
- name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
- }else if(strcmp(node_type, "DW_AT_type") == 0){
- type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
- xbt_str_ltrim(type_origin, "<0x");
- xbt_str_rtrim(type_origin, ">");
- }
-
- read = xbt_getline(&line, &n, fp);
- }
-
- dw_type_t type = xbt_new0(s_dw_type_t, 1);
- type->type = type_type;
- if(name)
- type->name = xbt_strdup(name);
- else
- type->name = xbt_strdup("undefined");
- type->is_pointer_type = is_pointer;
- type->id = (void *)strtoul(origin, NULL, 16);
- if(type_origin)
- type->dw_type_id = xbt_strdup(type_origin);
- if(type_type == e_dw_enumerator)
- type->size = enumeration_size;
- else
- type->size = size;
- type->members = NULL;
-
- xbt_dict_set(*types, origin, type, NULL);
-
- xbt_free(name);
- name = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- xbt_free(end);
- end = NULL;
-
- is_pointer = 0;
- size = 0;
- xbt_free(origin);
-
- }else if(strcmp(node_type, "(DW_TAG_structure_type)") == 0 || strcmp(node_type, "(DW_TAG_union_type)") == 0){
-
- if(strcmp(node_type, "(DW_TAG_structure_type)") == 0)
- struct_decl = 1;
- else
- union_decl = 1;
-
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = strdup(strtok(NULL, "<"));
- xbt_str_rtrim(origin, ">:");
-
- read = xbt_getline(&line, &n, fp);
-
- dw_type_t type = NULL;
-
- while(read != -1){
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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){
- member_end = 1;
- break;
- }
-
- if(strcmp(node_type, "DW_AT_byte_size") == 0){
- size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
- }else if(strcmp(node_type, "DW_AT_name") == 0){
- xbt_free(end);
- end = xbt_str_join(split, " ");
- xbt_dynar_free(&split);
- split = xbt_str_split(end, "):");
- xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
- name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
- }else if(strcmp(node_type, "DW_AT_type") == 0){
- type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
- xbt_str_ltrim(type_origin, "<0x");
- xbt_str_rtrim(type_origin, ">");
- }else if(strcmp(node_type, "DW_AT_data_member_location:") == 0){
- xbt_free(end);
- end = xbt_str_join(split, " ");
- xbt_dynar_free(&split);
- split = xbt_str_split(end, "DW_OP_plus_uconst:");
- xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), NULL);
- xbt_str_rtrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), ")");
- offset = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
- }
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- if(member_end && type){
- member_end = 0;
-
- dw_type_t member_type = xbt_new0(s_dw_type_t, 1);
- member_type->name = xbt_strdup(name);
- member_type->size = size;
- member_type->is_pointer_type = is_pointer;
- member_type->id = (void *)strtoul(origin, NULL, 16);
- member_type->offset = offset;
- if(type_origin)
- member_type->dw_type_id = xbt_strdup(type_origin);
-
- xbt_dynar_push(type->members, &member_type);
-
- xbt_free(name);
- name = NULL;
- xbt_free(end);
- end = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- size = 0;
- offset = 0;
-
- xbt_free(origin);
- origin = NULL;
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = strdup(strtok(NULL, "<"));
- xbt_str_rtrim(origin, ">:");
-
- }
-
- if(struct_decl || union_decl){
- type = xbt_new0(s_dw_type_t, 1);
- if(struct_decl)
- type->type = e_dw_structure_type;
- else
- type->type = e_dw_union_type;
- type->name = xbt_strdup(name);
- type->size = size;
- type->is_pointer_type = is_pointer;
- type->id = (void *)strtoul(origin, NULL, 16);
- if(type_origin)
- type->dw_type_id = xbt_strdup(type_origin);
- type->members = xbt_dynar_new(sizeof(dw_type_t), dw_type_free_voidp);
-
- xbt_dict_set(*types, origin, type, NULL);
-
- xbt_free(name);
- name = NULL;
- xbt_free(end);
- end = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- size = 0;
- struct_decl = 0;
- union_decl = 0;
-
- }
-
- if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_member)") != 0)
- break;
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- xbt_free(origin);
- origin = NULL;
-
- }else if(strcmp(node_type, "(DW_TAG_array_type)") == 0){
-
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = strdup(strtok(NULL, "<"));
- xbt_str_rtrim(origin, ">:");
-
- read = xbt_getline(&line, &n, fp);
-
- dw_type_t type = NULL;
-
- while(read != -1){
-
- while(read != -1){
-
- /* Wipeout the new line character */
- line[read - 1] = '\0';
-
- if(n == 0 || 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_upper_bound") == 0){
- size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
- }else if(strcmp(node_type, "DW_AT_name") == 0){
- end = xbt_str_join(split, " ");
- xbt_dynar_free(&split);
- split = xbt_str_split(end, "):");
- xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
- name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
- }else if(strcmp(node_type, "DW_AT_type") == 0){
- type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
- xbt_str_ltrim(type_origin, "<0x");
- xbt_str_rtrim(type_origin, ">");
- }
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") == 0){
- subrange = 1;
- }
-
- if(subrange && type){
- type->size = size;
-
- xbt_free(name);
- name = NULL;
- xbt_free(end);
- end = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- size = 0;
-
- xbt_free(origin);
- origin = NULL;
- strtok(xbt_dynar_get_as(split, 0, char *), "<");
- origin = strdup(strtok(NULL, "<"));
- xbt_str_rtrim(origin, ">:");
-
- }else {
-
- type = xbt_new0(s_dw_type_t, 1);
- type->type = e_dw_array_type;
- type->name = xbt_strdup(name);
- type->is_pointer_type = is_pointer;
- type->id = (void *)strtoul(origin, NULL, 16);
- if(type_origin)
- type->dw_type_id = xbt_strdup(type_origin);
- type->members = NULL;
-
- xbt_dict_set(*types, origin, type, NULL);
-
- xbt_free(name);
- name = NULL;
- xbt_free(end);
- end = NULL;
- xbt_free(type_origin);
- type_origin = NULL;
- size = 0;
- }
-
- if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") != 0)
- break;
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- xbt_free(origin);
- origin = NULL;
-
- }else{
-
- read = xbt_getline(&line, &n, fp);
-
- }
-
- }
-
- xbt_dynar_free(&split);
- xbt_dict_free(&variables_origin);
- xbt_dict_free(&subprograms_origin);
- xbt_free(line);
- xbt_free(command);
- xbt_dict_free(&location_list);
-
- pclose(fp);
-}
-
-
-/******************************* Ignore mechanism *******************************/
-/*********************************************************************************/
-
-xbt_dynar_t mc_checkpoint_ignore;
-
-typedef struct s_mc_stack_ignore_variable{
- char *var_name;
- char *frame;
-}s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
-
-typedef struct s_mc_data_bss_ignore_variable{
- char *name;
-}s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
-
-/**************************** Free functions ******************************/
-
-static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
- xbt_free(v->var_name);
- xbt_free(v->frame);
- xbt_free(v);
-}
-
-static void stack_ignore_variable_free_voidp(void *v){
- stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
-}
-
-void heap_ignore_region_free(mc_heap_ignore_region_t r){
- xbt_free(r);
-}
-
-void heap_ignore_region_free_voidp(void *r){
- heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
-}
-
-static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
- xbt_free(v->name);
- xbt_free(v);
-}
-
-static void data_bss_ignore_variable_free_voidp(void *v){
- data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
-}
-
-static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
- xbt_free(r);
-}
-
-static void checkpoint_ignore_region_free_voidp(void *r){
- checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
-}
-
-/***********************************************************************/
-
-void MC_ignore_heap(void *address, size_t size){
-
- int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
-
- MC_SET_RAW_MEM;
-
- mc_heap_ignore_region_t region = NULL;
- region = xbt_new0(s_mc_heap_ignore_region_t, 1);
- region->address = address;
- region->size = size;
-
- region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
-
- if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
- region->fragment = -1;
- ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
- }else{
- region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
- ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
- }
-
- if(mc_heap_comparison_ignore == NULL){
- mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
- xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
- return;
- }
-
- unsigned int cursor = 0;
- mc_heap_ignore_region_t current_region = NULL;
- int start = 0;
- int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
-
- while(start <= end){
- cursor = (start + end) / 2;
- current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
- if(current_region->address == address){
- heap_ignore_region_free(region);
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
- return;
- }else if(current_region->address < address){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
-
- if(current_region->address < address)
- xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
- else
- xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
-
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
-}
-
-void MC_remove_ignore_heap(void *address, size_t size){
-
- int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
-
- MC_SET_RAW_MEM;
-
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
- mc_heap_ignore_region_t region;
- int ignore_found = 0;
-
- while(start <= end){
- cursor = (start + end) / 2;
- region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
- if(region->address == address){
- ignore_found = 1;
- break;
- }else if(region->address < address){
- start = cursor + 1;
- }else{
- if((char * )region->address <= ((char *)address + size)){
- ignore_found = 1;
- break;
- }else{
- end = cursor - 1;
- }
- }
- }
-
- if(ignore_found == 1){
- xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
- MC_remove_ignore_heap(address, size);
- }
-
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
-
-}
-
-void MC_ignore_global_variable(const char *name){
-
- int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
-
- MC_SET_RAW_MEM;
-
- if(mc_libsimgrid_info){
-
- unsigned int cursor = 0;
- dw_variable_t current_var;
- int start = 0;
- int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
-
- while(start <= end){
- cursor = (start + end) /2;
- current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
- if(strcmp(current_var->name, name) == 0){
- xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
- start = 0;
- end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
- }else if(strcmp(current_var->name, name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
-
- }else{
-
- if(mc_data_bss_comparison_ignore == NULL)
- mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
-
- mc_data_bss_ignore_variable_t var = NULL;
- var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
- var->name = strdup(name);
-
- if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
-
- 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(strcmp(current_var->name, name) == 0){
- data_bss_ignore_variable_free(var);
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
- return;
- }else if(strcmp(current_var->name, name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
-
- if(strcmp(current_var->name, name) < 0)
- xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
- else
- xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
-
- }
- }
-
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
-}
-
-void MC_ignore_local_variable(const char *var_name, const char *frame_name){
-
- int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
-
- MC_SET_RAW_MEM;
-
- if(mc_libsimgrid_info){
- unsigned int cursor = 0;
- dw_variable_t current_var;
- int start, end;
- if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
- xbt_dict_cursor_t dict_cursor;
- char *current_frame_name;
- dw_frame_t frame;
- xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
- start = 0;
- end = xbt_dynar_length(frame->variables) - 1;
- while(start <= end){
- cursor = (start + end) / 2;
- current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
- if(strcmp(current_var->name, var_name) == 0){
- xbt_dynar_remove_at(frame->variables, cursor, NULL);
- start = 0;
- end = xbt_dynar_length(frame->variables) - 1;
- }else if(strcmp(current_var->name, var_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
- }
- xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
- start = 0;
- end = xbt_dynar_length(frame->variables) - 1;
- while(start <= end){
- cursor = (start + end) / 2;
- current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
- if(strcmp(current_var->name, var_name) == 0){
- xbt_dynar_remove_at(frame->variables, cursor, NULL);
- start = 0;
- end = xbt_dynar_length(frame->variables) - 1;
- }else if(strcmp(current_var->name, var_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
- }
- }else{
- xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
- mc_libsimgrid_info->local_variables, frame_name))->variables;
- start = 0;
- end = xbt_dynar_length(variables_list) - 1;
- while(start <= end){
- cursor = (start + end) / 2;
- current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
- if(strcmp(current_var->name, var_name) == 0){
- xbt_dynar_remove_at(variables_list, cursor, NULL);
- start = 0;
- end = xbt_dynar_length(variables_list) - 1;
- }else if(strcmp(current_var->name, var_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
- }
- }else{
-
- if(mc_stack_comparison_ignore == NULL)
- mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
-
- 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_name);
-
- if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
-
- 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_name) == 0){
- if(strcmp(current_var->var_name, var_name) == 0){
- stack_ignore_variable_free(var);
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
- return;
- }else if(strcmp(current_var->var_name, var_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }else if(strcmp(current_var->frame, frame_name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
-
- if(strcmp(current_var->frame, frame_name) == 0){
- if(strcmp(current_var->var_name, var_name) < 0){
- xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
- }else{
- xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
- }
- }else if(strcmp(current_var->frame, frame_name) < 0){
- xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
- }else{
- xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
- }
- }
- }
-
- if(!raw_mem_set)
- MC_UNSET_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;
- region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
- xbt_dynar_push(stacks_areas, ®ion);
-
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
-}
-
-void MC_ignore(void *addr, size_t size){
-
- int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
-
- MC_SET_RAW_MEM;
-
- if(mc_checkpoint_ignore == NULL)
- mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
-
- mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
- region->addr = addr;
- region->size = size;
-
- if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
- xbt_dynar_push(mc_checkpoint_ignore, ®ion);
- }else{
-
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
- mc_checkpoint_ignore_region_t current_region = NULL;
-
- while(start <= end){
- cursor = (start + end) / 2;
- current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
- if(current_region->addr == addr){
- if(current_region->size == size){
- checkpoint_ignore_region_free(region);
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
- return;
- }else if(current_region->size < size){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }else if(current_region->addr < addr){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
-
- if(current_region->addr == addr){
- if(current_region->size < size){
- xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
- }else{
- xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
- }
- }else if(current_region->addr < addr){
- xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
- }else{
- xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
- }
- }
-
- if(!raw_mem_set)
- MC_UNSET_RAW_MEM;
-}