-/* Copyright (c) 2008-2013. The SimGrid Team.
+/* Copyright (c) 2008-2014. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
int _sg_mc_max_depth=1000;
int _sg_mc_visited=0;
char *_sg_mc_dot_output_file = NULL;
+int _sg_mc_comms_determinism=0;
+int _sg_mc_send_determinism=0;
int user_max_depth_reached = 0;
_sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
}
+void _mc_cfg_cb_comms_determinism(const char *name, int pos) {
+ if (_sg_cfg_init_status && !_sg_do_model_check) {
+ xbt_die("You are specifying a value to enable/disable the detection of determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+ }
+ _sg_mc_comms_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
+void _mc_cfg_cb_send_determinism(const char *name, int pos) {
+ if (_sg_cfg_init_status && !_sg_do_model_check) {
+ xbt_die("You are specifying a value to enable/disable the detection of send-determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+ }
+ _sg_mc_send_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
/* MC global data structures */
mc_state_t mc_current_state = NULL;
char mc_replay_mode = FALSE;
mc_object_info_t MC_new_object_info(void) {
mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
- res->local_variables = xbt_dict_new_homogeneous(NULL);
+ res->subprograms = xbt_dynar_new(sizeof(dw_frame_t), NULL);
res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
res->types = xbt_dict_new_homogeneous(NULL);
res->types_by_name = xbt_dict_new_homogeneous(NULL);
return res;
}
-
void MC_free_object_info(mc_object_info_t* info) {
xbt_free(&(*info)->file_name);
- xbt_dict_free(&(*info)->local_variables);
+ xbt_dynar_free(&(*info)->subprograms);
xbt_dynar_free(&(*info)->global_variables);
xbt_dict_free(&(*info)->types);
xbt_dict_free(&(*info)->types_by_name);
// Populate the array:
dw_frame_t frame = NULL;
- xbt_dict_cursor_t cursor = NULL;
- const char* name = NULL;
- xbt_dict_foreach(info->local_variables, cursor, name, frame) {
+ unsigned cursor = 0;
+ xbt_dynar_foreach(info->subprograms, cursor, frame) {
if(frame->low_pc==NULL)
continue;
s_mc_function_index_item_t entry;
return MC_find_function_by_ip_and_object(ip, info);
}
+static void MC_post_process_variables(mc_object_info_t info) {
+ unsigned cursor = 0;
+ dw_variable_t variable = NULL;
+ xbt_dynar_foreach(info->global_variables, cursor, variable) {
+ if(variable->type_origin) {
+ variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
+ }
+ }
+}
+
+static void MC_post_process_functions(mc_object_info_t info) {
+ unsigned cursor = 0;
+ dw_frame_t function = NULL;
+ xbt_dynar_foreach(info->subprograms, cursor, function) {
+ unsigned cursor2 = 0;
+ dw_variable_t variable = NULL;
+ xbt_dynar_foreach(function->variables, cursor2, variable) {
+ if(variable->type_origin) {
+ variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
+ }
+ }
+ }
+}
+
/** \brief Finds informations about a given shared object/executable */
mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable) {
mc_object_info_t result = MC_new_object_info();
MC_find_object_address(maps, result);
MC_dwarf_get_variables(result);
MC_post_process_types(result);
+ MC_post_process_variables(result);
+ MC_post_process_functions(result);
MC_make_functions_index(result);
return result;
}
if(location_list != NULL){
- char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
+ char *key = bprintf("%lu", strtoul(expr, NULL, 16));
loc->type = e_dw_loclist;
loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
if(loc->location.loclist == NULL)
}
-
/** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
*
* The offset can be an offset of a child DW_TAG_variable.
MC_UNSET_RAW_MEM;
}
+static void MC_ignore_local_variable_in_object(const char *var_name, const char *frame_name, mc_object_info_t info) {
+ unsigned cursor2;
+ dw_frame_t frame;
+ int start, end;
+ int cursor = 0;
+ dw_variable_t current_var;
+
+ xbt_dynar_foreach(info->subprograms, cursor2, frame) {
+
+ if(frame_name && strcmp(frame_name, frame->name))
+ continue;
+
+ 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);
+
+ int compare = strcmp(current_var->name, var_name);
+ if(compare == 0){
+ xbt_dynar_remove_at(frame->variables, cursor, NULL);
+ start = 0;
+ end = xbt_dynar_length(frame->variables) - 1;
+ }else if(compare < 0){
+ start = cursor + 1;
+ }else{
+ end = cursor - 1;
+ }
+ }
+ }
+}
+
void MC_ignore_local_variable(const char *var_name, const char *frame_name){
int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+ if(strcmp(frame_name, "*") == 0)
+ frame_name = NULL;
+
MC_SET_RAW_MEM;
- 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;
- }
- }
- }
+ MC_ignore_local_variable_in_object(var_name, frame_name, mc_libsimgrid_info);
+ if(frame_name!=NULL)
+ MC_ignore_local_variable_in_object(var_name, frame_name, mc_binary_info);
if(!raw_mem_set)
MC_UNSET_RAW_MEM;
/******************************* Initialisation of MC *******************************/
/*********************************************************************************/
-static void MC_init_debug_info();
-static void MC_init_debug_info() {
+static void MC_post_process_object_info(mc_object_info_t info) {
+ mc_object_info_t other_info = info == mc_binary_info ? mc_libsimgrid_info : mc_binary_info;
+ xbt_dict_cursor_t cursor = NULL;
+ char* key = NULL;
+ dw_type_t type = NULL;
+ xbt_dict_foreach(info->types, cursor, key, type){
+ if(type->name && type->byte_size == 0) {
+ type->other_object_same_type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
+ }
+ }
+}
+
+static void MC_init_debug_info(void) {
XBT_INFO("Get debug information ...");
memory_map_t maps = MC_get_memory_map();
mc_binary_info = MC_find_object_info(maps, xbt_binary_name, 1);
mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
+ // Use information of the other objects:
+ MC_post_process_object_info(mc_binary_info);
+ MC_post_process_object_info(mc_libsimgrid_info);
+
MC_free_memory_map(maps);
XBT_INFO("Get debug information done !");
}
MC_ignore_local_variable("_throw_ctx", "*");
MC_ignore_local_variable("ctx", "*");
+ MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
/* Ignore local variable about time used for tracing */
MC_ignore_local_variable("start_time", "*");
+ MC_ignore_global_variable("compared_pointers");
MC_ignore_global_variable("mc_comp_times");
MC_ignore_global_variable("mc_snapshot_comparison_time");
MC_ignore_global_variable("mc_time");
xbt_free(key);
}
}
- xbt_dynar_reset(communications_pattern);
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
+ xbt_dynar_reset(communications_pattern);
MC_UNSET_RAW_MEM;
}
}
- if(req->call == SIMCALL_COMM_ISEND)
- comm_pattern = 1;
- else if(req->call == SIMCALL_COMM_IRECV)
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ if(req->call == SIMCALL_COMM_ISEND)
+ comm_pattern = 1;
+ else if(req->call == SIMCALL_COMM_IRECV)
comm_pattern = 2;
-
+ }
+
SIMIX_simcall_pre(req, value);
- MC_SET_RAW_MEM;
- if(comm_pattern != 0){
- get_comm_pattern(communications_pattern, req, comm_pattern);
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ MC_SET_RAW_MEM;
+ if(comm_pattern != 0){
+ get_comm_pattern(communications_pattern, req, comm_pattern);
+ }
+ MC_UNSET_RAW_MEM;
+ comm_pattern = 0;
}
- MC_UNSET_RAW_MEM;
-
- comm_pattern = 0;
MC_wait_for_requests();
fclose(dot_output);
}
if(initial_state_safety != NULL){
- // XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
- // XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
+ if(_sg_mc_comms_determinism)
+ XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
+ if (_sg_mc_send_determinism)
+ XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
}
MC_UNSET_RAW_MEM;
}
