#include <sys/wait.h>
#include <sys/time.h>
+#include "simgrid/sg_config.h"
#include "../surf/surf_private.h"
#include "../simix/smx_private.h"
#include "../xbt/mmalloc/mmprivate.h"
/* Configuration support */
e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
+int _sg_do_model_check = 0;
+int _sg_mc_checkpoint=0;
+char* _sg_mc_property_file=NULL;
+int _sg_mc_timeout=0;
+int _sg_mc_max_depth=1000;
+int _sg_mc_visited=0;
-extern int _surf_init_status;
+extern int _sg_init_status;
void _mc_cfg_cb_reduce(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_init_status && !_sg_do_model_check) {
xbt_die("You are specifying a reduction strategy 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.");
}
- char *val= xbt_cfg_get_string(_surf_cfg_set, name);
+ char *val= xbt_cfg_get_string(_sg_cfg_set, name);
if (!strcasecmp(val,"none")) {
mc_reduce_kind = e_mc_reduce_none;
} else if (!strcasecmp(val,"dpor")) {
}
void _mc_cfg_cb_checkpoint(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_init_status && !_sg_do_model_check) {
xbt_die("You are specifying a checkpointing value 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.");
}
- _surf_mc_checkpoint = xbt_cfg_get_int(_surf_cfg_set, name);
+ _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
}
void _mc_cfg_cb_property(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_init_status && !_sg_do_model_check) {
xbt_die("You are specifying a property 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.");
}
- _surf_mc_property_file= xbt_cfg_get_string(_surf_cfg_set, name);
+ _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
}
void _mc_cfg_cb_timeout(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_init_status && !_sg_do_model_check) {
xbt_die("You are specifying a value to enable/disable timeout for wait requests 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.");
}
- _surf_mc_timeout= xbt_cfg_get_int(_surf_cfg_set, name);
+ _sg_mc_timeout= xbt_cfg_get_int(_sg_cfg_set, name);
}
void _mc_cfg_cb_max_depth(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_init_status && !_sg_do_model_check) {
xbt_die("You are specifying a max depth value 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.");
}
- _surf_mc_max_depth= xbt_cfg_get_int(_surf_cfg_set, name);
+ _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
}
void _mc_cfg_cb_visited(const char *name, int pos) {
- if (_surf_init_status && !_surf_do_model_check) {
+ if (_sg_init_status && !_sg_do_model_check) {
xbt_die("You are specifying a number of stored visited states 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.");
}
- _surf_mc_visited= xbt_cfg_get_int(_surf_cfg_set, name);
+ _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
}
mc_state_t mc_current_state = NULL;
char mc_replay_mode = FALSE;
double *mc_time = NULL;
+mc_comparison_times_t mc_comp_times = NULL;
+double mc_snapshot_comparison_time;
/* Safety */
static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset);
static size_t data_bss_ignore_size(void *address);
static void MC_get_global_variables(char *elf_file);
+static void heap_ignore_region_free(mc_heap_ignore_region_t r);
+static void heap_ignore_region_free_voidp(void *r);
void MC_do_the_modelcheck_for_real() {
- if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
+
+ MC_SET_RAW_MEM;
+ mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
+ MC_UNSET_RAW_MEM;
+
+ if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
if (mc_reduce_kind==e_mc_reduce_unset)
mc_reduce_kind=e_mc_reduce_dpor;
if (mc_reduce_kind==e_mc_reduce_unset)
mc_reduce_kind=e_mc_reduce_none;
- XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
- MC_automaton_load(_surf_mc_property_file);
+ XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
+ MC_automaton_load(_sg_mc_property_file);
MC_modelcheck_liveness();
}
}
xbt_dict_t libsimgrid_location_list = MC_get_location_list(libsimgrid_path);
MC_get_local_variables(libsimgrid_path, libsimgrid_location_list, &mc_local_variables);
+ xbt_dict_free(&libsimgrid_location_list);
+ xbt_dict_free(&binary_location_list);
+
/* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
get_libsimgrid_plt_section();
get_binary_plt_section();
+ MC_ignore_data_bss(&end_raw_heap, sizeof(end_raw_heap));
+ MC_ignore_data_bss(&mc_comp_times, sizeof(mc_comp_times));
+ MC_ignore_data_bss(&mc_snapshot_comparison_time, sizeof(mc_snapshot_comparison_time));
+
/* Get global variables */
MC_get_global_variables(xbt_binary_name);
MC_get_global_variables(libsimgrid_path);
MC_ignore_stack("__ex_cleanup", "*");
MC_ignore_stack("__ex_mctx_en", "*");
MC_ignore_stack("__ex_mctx_me", "*");
+ MC_ignore_stack("__xbt_ex_ctx_ptr", "*");
MC_ignore_stack("_log_ev", "*");
MC_ignore_stack("_throw_ctx", "*");
MC_ignore_stack("ctx", "*");
+ MC_ignore_stack("next_context", "smx_ctx_sysv_suspend_serial");
+ MC_ignore_stack("i", "smx_ctx_sysv_suspend_serial");
if(raw_mem_set)
MC_SET_RAW_MEM;
MC_UNSET_RAW_MEM;
- if(_surf_mc_visited > 0){
+ if(_sg_mc_visited > 0){
MC_init();
}else{
+ MC_SET_RAW_MEM;
MC_init_memory_map_info();
get_libsimgrid_plt_section();
get_binary_plt_section();
+ MC_UNSET_RAW_MEM;
}
MC_dpor_init();
initial_state_safety->snapshot = MC_take_snapshot();
MC_UNSET_RAW_MEM;
+ MC_dpor();
+
if(raw_mem_set)
MC_SET_RAW_MEM;
- MC_dpor();
-
MC_exit();
}
void MC_exit(void)
{
- MC_print_statistics(mc_stats);
xbt_free(mc_time);
MC_memory_exit();
+ xbt_abort();
}
MC_show_stack_safety(stack);
- if(!_surf_mc_checkpoint){
+ if(!_sg_mc_checkpoint){
mc_state_t state;
/************ MC_ignore ***********/
+static void heap_ignore_region_free(mc_heap_ignore_region_t r){
+ if(r)
+ xbt_free(r);
+}
+
+static void heap_ignore_region_free_voidp(void *r){
+ heap_ignore_region_free((mc_heap_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;
if(mc_heap_comparison_ignore == NULL)
- mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), NULL);
+ mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
mc_heap_ignore_region_t region = NULL;
region = xbt_new0(s_mc_heap_ignore_region_t, 1);
region->address = address;
region->size = size;
- if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_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;
- }else{
- region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
- }
-
+ 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 = 1;
+ }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] = 1;
}
unsigned int cursor = 0;
MC_SET_RAW_MEM;
}
+static size_t data_bss_ignore_size(void *address){
+ unsigned int cursor = 0;
+ int start = 0;
+ int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
+ mc_data_bss_ignore_variable_t var;
+
+ while(start <= end){
+ cursor = (start + end) / 2;
+ var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
+ if(var->address == address)
+ return var->size;
+ if(var->address < address){
+ if((void *)((char *)var->address + var->size) > address)
+ return (char *)var->address + var->size - (char*)address;
+ else
+ start = cursor + 1;
+ }
+ if(var->address > address)
+ end = cursor - 1;
+ }
+
+ return 0;
+}
+
+
+
void MC_ignore_stack(const char *var_name, const char *frame){
int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
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);
}
- free(line);
- free(command);
+ xbt_free(line);
+ xbt_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");
- xbt_abort();
- }
-
- 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;
dw_frame_t res;
xbt_dict_foreach(all_variables, cursor, name, res) {
- if(offset >= res->start && offset < res->end)
+ if(offset >= res->start && offset < res->end){
+ xbt_dict_cursor_free(&cursor);
return res;
+ }
}
+ xbt_dict_cursor_free(&cursor);
return NULL;
}
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;
- free(current_frame);
+ 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);
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_MIPS_linkage_name:") == 0){
- free(frame->name);
- free(current_frame);
+ 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);
xbt_dict_set(*all_variables, frame->name, frame, NULL);
}
- free(subprogram_start);
+ xbt_free(subprogram_start);
if(subprogram_end != NULL){
- free(subprogram_end);
+ xbt_free(subprogram_end);
subprogram_end = NULL;
}
xbt_str_rtrim(loc_expr, ")");
var->location = get_location(NULL, loc_expr);
xbt_dynar_free(&split2);
+ xbt_free(loc_expr);
}
}
xbt_dynar_free(&split);
- free(line);
- free(command);
+ xbt_free(line);
+ xbt_free(command);
pclose(fp);
}
char *key = bprintf("%d", (int)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 == NULL)
+ if(loc->location.loclist == NULL)
XBT_INFO("Key not found in loclist");
+ xbt_free(key);
return loc;
}else{
}
-static size_t data_bss_ignore_size(void *address){
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
- mc_data_bss_ignore_variable_t var;
-
- while(start <= end){
- cursor = (start + end) / 2;
- var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
- if(var->address == address)
- return var->size;
- if(var->address < address){
- if((void *)((char *)var->address + var->size) > address)
- return (char *)var->address + var->size - (char*)address;
- else
- start = cursor + 1;
- }
- if(var->address > address)
- end = cursor - 1;
- }
-
- return 0;
-}
-
-
static void MC_get_global_variables(char *elf_file){
FILE *fp;
|| (strcmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), ".data") == 0)
|| (strcmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), ".bss") == 0)
|| (strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), "stderr", 6) == 0)
+ || (strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char*), "counter", 7) == 0)
|| ((size_t)strtoul(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 2, char*), NULL, 16) == 0))
continue;
}
- free(command);
- free(line);
+ xbt_free(command);
+ xbt_free(line);
pclose(fp);
}
