1 /* Copyright (c) 2008-2013. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
12 #include "simgrid/sg_config.h"
13 #include "../surf/surf_private.h"
14 #include "../simix/smx_private.h"
15 #include "../xbt/mmalloc/mmprivate.h"
17 #include "mc_private.h"
18 #include "xbt/automaton.h"
21 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
23 "Logging specific to MC (global)");
25 /* Configuration support */
26 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
28 int _sg_do_model_check = 0;
29 int _sg_mc_checkpoint=0;
30 char* _sg_mc_property_file=NULL;
32 int _sg_mc_max_depth=1000;
34 char *_sg_mc_dot_output_file = NULL;
36 int user_max_depth_reached = 0;
38 void _mc_cfg_cb_reduce(const char *name, int pos) {
39 if (_sg_cfg_init_status && !_sg_do_model_check) {
40 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.");
42 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
43 if (!strcasecmp(val,"none")) {
44 mc_reduce_kind = e_mc_reduce_none;
45 } else if (!strcasecmp(val,"dpor")) {
46 mc_reduce_kind = e_mc_reduce_dpor;
48 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
52 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
53 if (_sg_cfg_init_status && !_sg_do_model_check) {
54 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.");
56 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
58 void _mc_cfg_cb_property(const char *name, int pos) {
59 if (_sg_cfg_init_status && !_sg_do_model_check) {
60 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.");
62 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
65 void _mc_cfg_cb_timeout(const char *name, int pos) {
66 if (_sg_cfg_init_status && !_sg_do_model_check) {
67 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.");
69 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
72 void _mc_cfg_cb_max_depth(const char *name, int pos) {
73 if (_sg_cfg_init_status && !_sg_do_model_check) {
74 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.");
76 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
79 void _mc_cfg_cb_visited(const char *name, int pos) {
80 if (_sg_cfg_init_status && !_sg_do_model_check) {
81 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.");
83 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
86 void _mc_cfg_cb_dot_output(const char *name, int pos) {
87 if (_sg_cfg_init_status && !_sg_do_model_check) {
88 xbt_die("You are specifying a file name for a dot output of graph state 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.");
90 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
93 /* MC global data structures */
94 mc_state_t mc_current_state = NULL;
95 char mc_replay_mode = FALSE;
96 double *mc_time = NULL;
97 __thread mc_comparison_times_t mc_comp_times = NULL;
98 __thread double mc_snapshot_comparison_time;
99 mc_stats_t mc_stats = NULL;
102 xbt_fifo_t mc_stack_safety = NULL;
103 mc_global_t initial_state_safety = NULL;
106 xbt_fifo_t mc_stack_liveness = NULL;
107 mc_global_t initial_state_liveness = NULL;
110 xbt_automaton_t _mc_property_automaton = NULL;
113 xbt_dict_t mc_local_variables_libsimgrid = NULL;
114 xbt_dict_t mc_local_variables_binary = NULL;
115 xbt_dynar_t mc_global_variables_libsimgrid = NULL;
116 xbt_dynar_t mc_global_variables_binary = NULL;
117 xbt_dict_t mc_variables_type_libsimgrid = NULL;
118 xbt_dict_t mc_variables_type_binary = NULL;
120 /* Ignore mechanism */
121 xbt_dynar_t mc_stack_comparison_ignore;
122 xbt_dynar_t mc_data_bss_comparison_ignore;
123 extern xbt_dynar_t mc_heap_comparison_ignore;
124 extern xbt_dynar_t stacks_areas;
127 FILE *dot_output = NULL;
128 const char* colors[13];
131 /******************************* DWARF Information *******************************/
132 /**********************************************************************************/
134 /************************** Free functions *************************/
136 static void dw_location_free(dw_location_t l){
138 if(l->type == e_dw_loclist)
139 xbt_dynar_free(&(l->location.loclist));
140 else if(l->type == e_dw_compose)
141 xbt_dynar_free(&(l->location.compose));
142 else if(l->type == e_dw_arithmetic)
143 xbt_free(l->location.arithmetic);
149 static void dw_location_entry_free(dw_location_entry_t e){
150 dw_location_free(e->location);
154 static void dw_type_free(dw_type_t t){
156 xbt_free(t->dw_type_id);
157 xbt_dynar_free(&(t->members));
161 static void dw_type_free_voidp(void *t){
162 dw_type_free((dw_type_t) * (void **) t);
165 static void dw_variable_free(dw_variable_t v){
168 xbt_free(v->type_origin);
170 dw_location_free(v->address.location);
175 static void dw_variable_free_voidp(void *t){
176 dw_variable_free((dw_variable_t) * (void **) t);
179 /*************************************************************************/
181 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
183 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
185 if(location_list != NULL){
187 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
188 loc->type = e_dw_loclist;
189 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
190 if(loc->location.loclist == NULL)
191 XBT_INFO("Key not found in loclist");
198 char *tok = NULL, *tok2 = NULL;
200 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
203 loc->type = e_dw_compose;
204 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
206 while(cursor < xbt_dynar_length(tokens1)){
208 tok = xbt_dynar_get_as(tokens1, cursor, char*);
209 tokens2 = xbt_str_split(tok, " ");
210 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
212 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
213 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
214 new_element->type = e_dw_register;
215 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
216 xbt_dynar_push(loc->location.compose, &new_element);
217 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
218 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
219 new_element->type = e_dw_fbregister_op;
220 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
221 xbt_dynar_push(loc->location.compose, &new_element);
222 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
223 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
224 new_element->type = e_dw_bregister_op;
225 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
226 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
227 xbt_dynar_push(loc->location.compose, &new_element);
228 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
229 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
230 new_element->type = e_dw_lit;
231 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
232 xbt_dynar_push(loc->location.compose, &new_element);
233 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
234 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
235 new_element->type = e_dw_piece;
236 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
237 xbt_dynar_push(loc->location.compose, &new_element);
238 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
239 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
240 new_element->type = e_dw_plus_uconst;
241 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
242 xbt_dynar_push(loc->location.compose, &new_element);
243 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
244 strcmp(tok, "DW_OP_and") == 0 ||
245 strcmp(tok, "DW_OP_div") == 0 ||
246 strcmp(tok, "DW_OP_minus") == 0 ||
247 strcmp(tok, "DW_OP_mod") == 0 ||
248 strcmp(tok, "DW_OP_mul") == 0 ||
249 strcmp(tok, "DW_OP_neg") == 0 ||
250 strcmp(tok, "DW_OP_not") == 0 ||
251 strcmp(tok, "DW_OP_or") == 0 ||
252 strcmp(tok, "DW_OP_plus") == 0){
253 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
254 new_element->type = e_dw_arithmetic;
255 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
256 xbt_dynar_push(loc->location.compose, &new_element);
257 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
258 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
259 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
260 new_element->type = e_dw_deref;
261 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
262 xbt_dynar_push(loc->location.compose, &new_element);
263 }else if(strcmp(tok, "DW_OP_deref") == 0){
264 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
265 new_element->type = e_dw_deref;
266 new_element->location.deref_size = sizeof(void *);
267 xbt_dynar_push(loc->location.compose, &new_element);
268 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
269 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
270 new_element->type = e_dw_uconstant;
271 new_element->location.uconstant.bytes = 1;
272 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
273 xbt_dynar_push(loc->location.compose, &new_element);
274 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
275 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
276 new_element->type = e_dw_sconstant;
277 new_element->location.sconstant.bytes = 1;
278 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
279 xbt_dynar_push(loc->location.compose, &new_element);
280 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
281 strcmp(tok2, "DW_OP_const2u:") == 0 ||
282 strcmp(tok2, "DW_OP_const4u:") == 0 ||
283 strcmp(tok2, "DW_OP_const8u:") == 0){
284 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
285 new_element->type = e_dw_uconstant;
286 new_element->location.uconstant.bytes = tok2[11] - '0';
287 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
288 xbt_dynar_push(loc->location.compose, &new_element);
289 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
290 strcmp(tok, "DW_OP_const2s") == 0 ||
291 strcmp(tok, "DW_OP_const4s") == 0 ||
292 strcmp(tok, "DW_OP_const8s") == 0){
293 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
294 new_element->type = e_dw_sconstant;
295 new_element->location.sconstant.bytes = tok2[11] - '0';
296 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
297 xbt_dynar_push(loc->location.compose, &new_element);
299 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
300 new_element->type = e_dw_unsupported;
301 xbt_dynar_push(loc->location.compose, &new_element);
305 xbt_dynar_free(&tokens2);
309 xbt_dynar_free(&tokens1);
317 /** @brief Extract the location lists from an ELF file (.debug_loc)
319 * @return A map from the offset in the list (in hexadecimal string)
320 * into a location list (dynar of dw_location_entry_t).
322 static xbt_dict_t MC_dwarf_get_location_list(const char *elf_file){
324 char *command = bprintf("objdump -Wo %s", elf_file);
326 FILE *fp = popen(command, "r");
329 perror("popen for objdump failed");
333 int debug = 0; /*Detect if the program has been compiled with -g */
335 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
336 char *line = NULL, *loc_expr = NULL;
340 xbt_dynar_t split = NULL;
342 while ((read = xbt_getline(&line, &n, fp)) != -1) {
344 /* Wipeout the new line character */
345 line[read - 1] = '\0';
347 xbt_str_trim(line, NULL);
352 if(strlen(line) == 0)
357 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
360 if(strncmp(line, "Contents", 8) == 0)
363 if(strncmp(line, "Offset", 6) == 0){
370 XBT_INFO("Your program must be compiled with -g");
374 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
376 xbt_str_strip_spaces(line);
377 split = xbt_str_split(line, " ");
380 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
382 // Take the key from the first line of the list:
384 key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
387 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
388 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
389 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
392 while(cursor_remove < 3){
393 xbt_dynar_remove_at(split, 0, NULL);
397 loc_expr = xbt_str_join(split, " ");
398 xbt_str_ltrim(loc_expr, "(");
399 xbt_str_rtrim(loc_expr, ")");
400 new_entry->location = MC_dwarf_get_location(NULL, loc_expr);
402 xbt_dynar_push(loclist, &new_entry);
404 xbt_dynar_free(&split);
407 read = xbt_getline(&line, &n, fp);
409 line[read - 1] = '\0';
410 xbt_str_strip_spaces(line);
411 split = xbt_str_split(line, " ");
417 xbt_dict_set(location_list, key, loclist, NULL);
420 xbt_dynar_free(&split);
428 return location_list;
431 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
433 xbt_dict_cursor_t cursor = NULL;
437 xbt_dict_foreach(all_variables, cursor, name, res) {
438 if(offset >= res->start && offset < res->end){
439 xbt_dict_cursor_free(&cursor);
444 xbt_dict_cursor_free(&cursor);
449 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
451 unsigned int cursor = 0;
452 dw_variable_t current_var;
454 xbt_dynar_foreach(frame->variables, cursor, current_var){
455 if(strcmp(var, current_var->name) == 0)
462 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
464 if(xbt_dynar_is_empty(variables))
467 unsigned int cursor = 0;
469 int end = xbt_dynar_length(variables) - 1;
470 dw_variable_t var_test = NULL;
473 cursor = (start + end) / 2;
474 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
475 if(strcmp(var_test->name, var) < 0){
477 }else if(strcmp(var_test->name, var) > 0){
480 if(address){ /* global variable */
481 if(var_test->address.address == address)
483 if(var_test->address.address > address)
487 }else{ /* local variable */
493 if(strcmp(var_test->name, var) == 0){
494 if(address && var_test->address.address < address)
498 }else if(strcmp(var_test->name, var) < 0)
506 static void MC_dwarf_get_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *local_variables, xbt_dynar_t *global_variables, xbt_dict_t *types){
508 char *command = bprintf("objdump -Wi %s", elf_file);
510 FILE *fp = popen(command, "r");
513 perror("popen for objdump failed");
515 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL,
516 *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL,
517 *node_type = NULL, *location_type = NULL, *variable_name = NULL,
518 *loc_expr = NULL, *name = NULL, *end =NULL, *type_origin = NULL, *global_address = NULL,
519 *parent_value = NULL;
523 int global_variable = 0, parent = 0, new_frame = 0, new_variable = 1, size = 0,
524 is_pointer = 0, struct_decl = 0, member_end = 0,
525 enumeration_size = 0, subrange = 0, union_decl = 0, offset = 0, index = 0;
527 xbt_dynar_t split = NULL, split2 = NULL;
529 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(xbt_free);
530 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(xbt_free);
532 dw_frame_t variable_frame, subroutine_frame = NULL;
534 e_dw_type_type type_type = -1;
536 read = xbt_getline(&line, &n, fp);
540 /* Wipeout the new line character */
541 line[read - 1] = '\0';
543 if(n == 0 || strlen(line) == 0){
544 read = xbt_getline(&line, &n, fp);
548 xbt_str_ltrim(line, NULL);
549 xbt_str_strip_spaces(line);
552 read = xbt_getline(&line, &n, fp);
556 xbt_dynar_free(&split);
557 split = xbt_str_split(line, " ");
560 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
562 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
563 /* We build/complete a dw_frame_t object
564 * and append it if necessary to the local_variables dictionnary */
566 dw_frame_t frame = NULL;
568 strtok(xbt_dynar_get_as(split, 0, char *), "<");
569 subprogram_start = xbt_strdup(strtok(NULL, "<"));
570 xbt_str_rtrim(subprogram_start, ">:");
572 read = xbt_getline(&line, &n, fp);
576 /* Wipeout the new line character */
577 line[read - 1] = '\0';
579 if(n == 0 || strlen(line) == 0){
580 read = xbt_getline(&line, &n, fp);
584 xbt_dynar_free(&split);
585 xbt_str_rtrim(line, NULL);
586 xbt_str_strip_spaces(line);
587 split = xbt_str_split(line, " ");
589 node_type = xbt_dynar_get_as(split, 1, char *);
591 if(strncmp(node_type, "DW_AT_", 6) != 0)
594 if(strcmp(node_type, "DW_AT_sibling") == 0){
596 subprogram_end = xbt_strdup(xbt_dynar_get_as(split, 3, char*));
597 xbt_str_ltrim(subprogram_end, "<0x");
598 xbt_str_rtrim(subprogram_end, ">");
600 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
603 abstract_origin = xbt_strdup(xbt_dynar_get_as(split, 2, char*));
604 xbt_str_ltrim(abstract_origin, "<0x");
605 xbt_str_rtrim(abstract_origin, ">");
606 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
607 frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
608 xbt_free(abstract_origin);
610 }else if(strcmp(node_type, "DW_AT_name") == 0){
613 xbt_free(current_frame);
614 frame = xbt_new0(s_dw_frame_t, 1);
615 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
616 frame->variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
617 frame->frame_base = xbt_new0(s_dw_location_t, 1);
618 current_frame = strdup(frame->name);
620 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
622 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
624 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
626 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
628 frame->frame_base = MC_dwarf_get_location(location_list, xbt_dynar_get_as(split, 3, char *));
632 xbt_str_strip_spaces(line);
633 split2 = xbt_str_split(line, "(");
634 xbt_dynar_remove_at(split2, 0, NULL);
635 loc_expr = xbt_str_join(split2, " ");
636 xbt_str_rtrim(loc_expr, ")");
637 frame->frame_base = MC_dwarf_get_location(NULL, loc_expr);
638 xbt_dynar_free(&split2);
643 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
646 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
648 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
651 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
653 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
655 xbt_free(frame->name);
656 xbt_free(current_frame);
657 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
658 current_frame = strdup(frame->name);
659 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
663 read = xbt_getline(&line, &n, fp);
668 frame->start = strtoul(subprogram_start, NULL, 16);
669 if(subprogram_end != NULL)
670 frame->end = strtoul(subprogram_end, NULL, 16);
671 xbt_dict_set(*local_variables, frame->name, frame, NULL);
674 xbt_free(subprogram_start);
675 xbt_free(subprogram_end);
676 subprogram_end = NULL;
679 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
680 /* We build a dw_variable_t object and append it either to
681 the list of variables of the frame (local variable)
682 or to the list of global variables (global variables). */
684 dw_variable_t var = NULL;
686 parent_value = strdup(xbt_dynar_get_as(split, 0, char *));
687 parent_value = strtok(parent_value,"<");
688 xbt_str_rtrim(parent_value, ">");
689 parent = atoi(parent_value);
690 xbt_free(parent_value);
695 strtok(xbt_dynar_get_as(split, 0, char *), "<");
696 origin = xbt_strdup(strtok(NULL, "<"));
697 xbt_str_rtrim(origin, ">:");
699 read = xbt_getline(&line, &n, fp);
703 /* Wipeout the new line character */
704 line[read - 1] = '\0';
706 if(n == 0 || strlen(line) == 0){
707 read = xbt_getline(&line, &n, fp);
711 xbt_dynar_free(&split);
712 xbt_str_rtrim(line, NULL);
713 xbt_str_strip_spaces(line);
714 split = xbt_str_split(line, " ");
716 node_type = xbt_dynar_get_as(split, 1, char *);
718 if(strncmp(node_type, "DW_AT_", 6) != 0)
721 if(strcmp(node_type, "DW_AT_name") == 0){
723 var = xbt_new0(s_dw_variable_t, 1);
724 var->name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
725 xbt_dict_set(variables_origin, origin, xbt_strdup(var->name), NULL);
727 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
731 abstract_origin = xbt_dynar_get_as(split, 2, char *);
732 xbt_str_ltrim(abstract_origin, "<0x");
733 xbt_str_rtrim(abstract_origin, ">");
735 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
736 variable_frame = MC_dwarf_get_frame_by_offset(*local_variables, strtoul(abstract_origin, NULL, 16));
737 var = MC_dwarf_get_variable_by_name(variable_frame, variable_name);
739 }else if(strcmp(node_type, "DW_AT_location") == 0){
743 if(!global_variable){
745 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
747 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
748 var->address.location = MC_dwarf_get_location(location_list, xbt_dynar_get_as(split, 3, char *));
750 xbt_str_strip_spaces(line);
751 split2 = xbt_str_split(line, "(");
752 xbt_dynar_remove_at(split2, 0, NULL);
753 loc_expr = xbt_str_join(split2, " ");
754 xbt_str_rtrim(loc_expr, ")");
755 if(strncmp("DW_OP_addr", loc_expr, 10) == 0){
757 xbt_dynar_free(&split2);
758 split2 = xbt_str_split(loc_expr, " ");
759 if(strcmp(elf_file, xbt_binary_name) != 0)
760 var->address.address = (char *)start_text_libsimgrid + (long)((void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16));
762 var->address.address = (void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16);
764 var->address.location = MC_dwarf_get_location(NULL, loc_expr);
766 xbt_dynar_free(&split2);
770 global_address = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
771 xbt_str_rtrim(global_address, ")");
772 if(strcmp(elf_file, xbt_binary_name) != 0)
773 var->address.address = (char *)start_text_libsimgrid + (long)((void *)strtoul(global_address, NULL, 16));
775 var->address.address = (void *)strtoul(global_address, NULL, 16);
776 xbt_free(global_address);
777 global_address = NULL;
782 }else if(strcmp(node_type, "DW_AT_type") == 0){
784 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
785 xbt_str_ltrim(type_origin, "<0x");
786 xbt_str_rtrim(type_origin, ">");
788 }else if(strcmp(node_type, "DW_AT_declaration") == 0){
792 dw_variable_free(var);
796 }else if(strcmp(node_type, "DW_AT_artificial") == 0){
800 dw_variable_free(var);
806 read = xbt_getline(&line, &n, fp);
810 if(new_variable == 1){
812 if(!global_variable){
813 variable_frame = xbt_dict_get_or_null(*local_variables, current_frame);
814 var->type_origin = strdup(type_origin);
816 index = MC_dwarf_get_variable_index(variable_frame->variables, var->name, NULL);
818 xbt_dynar_insert_at(variable_frame->variables, index, &var);
820 var->type_origin = strdup(type_origin);
822 index = MC_dwarf_get_variable_index(*global_variables, var->name, var->address.address);
824 xbt_dynar_insert_at(*global_variables, index, &var);
827 xbt_free(type_origin);
834 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
835 /* Update the information on the frame (we should duplicate it instead). */
837 read = xbt_getline(&line, &n, fp);
841 /* Wipeout the new line character */
842 line[read - 1] = '\0';
844 if(n == 0 || strlen(line) == 0){
845 read = xbt_getline(&line, &n, fp);
849 xbt_dynar_free(&split);
850 xbt_str_rtrim(line, NULL);
851 xbt_str_strip_spaces(line);
852 split = xbt_str_split(line, " ");
854 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
857 node_type = xbt_dynar_get_as(split, 1, char *);
859 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
861 origin = xbt_dynar_get_as(split, 2, char *);
862 xbt_str_ltrim(origin, "<0x");
863 xbt_str_rtrim(origin, ">");
865 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
866 subroutine_frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
868 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
870 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
872 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
874 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
877 read = xbt_getline(&line, &n, fp);
881 }else if(strcmp(node_type, "(DW_TAG_base_type)") == 0
882 || strcmp(node_type, "(DW_TAG_enumeration_type)") == 0
883 || strcmp(node_type, "(DW_TAG_enumerator)") == 0
884 || strcmp(node_type, "(DW_TAG_typedef)") == 0
885 || strcmp(node_type, "(DW_TAG_const_type)") == 0
886 || strcmp(node_type, "(DW_TAG_subroutine_type)") == 0
887 || strcmp(node_type, "(DW_TAG_volatile_type)") == 0
888 || (is_pointer = !strcmp(node_type, "(DW_TAG_pointer_type)"))){
890 /* Create the and add it to the types dictionnary */
892 if(strcmp(node_type, "(DW_TAG_base_type)") == 0)
893 type_type = e_dw_base_type;
894 else if(strcmp(node_type, "(DW_TAG_enumeration_type)") == 0)
895 type_type = e_dw_enumeration_type;
896 else if(strcmp(node_type, "(DW_TAG_enumerator)") == 0)
897 type_type = e_dw_enumerator;
898 else if(strcmp(node_type, "(DW_TAG_typedef)") == 0)
899 type_type = e_dw_typedef;
900 else if(strcmp(node_type, "(DW_TAG_const_type)") == 0)
901 type_type = e_dw_const_type;
902 else if(strcmp(node_type, "(DW_TAG_pointer_type)") == 0)
903 type_type = e_dw_pointer_type;
904 else if(strcmp(node_type, "(DW_TAG_subroutine_type)") == 0)
905 type_type = e_dw_subroutine_type;
906 else if(strcmp(node_type, "(DW_TAG_volatile_type)") == 0)
907 type_type = e_dw_volatile_type;
909 strtok(xbt_dynar_get_as(split, 0, char *), "<");
910 origin = strdup(strtok(NULL, "<"));
911 xbt_str_rtrim(origin, ">:");
913 read = xbt_getline(&line, &n, fp);
917 /* Wipeout the new line character */
918 line[read - 1] = '\0';
920 if(n == 0 || strlen(line) == 0){
921 read = xbt_getline(&line, &n, fp);
925 xbt_dynar_free(&split);
926 xbt_str_rtrim(line, NULL);
927 xbt_str_strip_spaces(line);
928 split = xbt_str_split(line, " ");
930 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
933 node_type = xbt_dynar_get_as(split, 1, char *);
935 if(strcmp(node_type, "DW_AT_byte_size") == 0){
936 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
937 if(type_type == e_dw_enumeration_type)
938 enumeration_size = size;
939 }else if(strcmp(node_type, "DW_AT_name") == 0){
940 end = xbt_str_join(split, " ");
941 xbt_dynar_free(&split);
942 split = xbt_str_split(end, "):");
943 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
944 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
945 }else if(strcmp(node_type, "DW_AT_type") == 0){
946 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
947 xbt_str_ltrim(type_origin, "<0x");
948 xbt_str_rtrim(type_origin, ">");
951 read = xbt_getline(&line, &n, fp);
954 dw_type_t type = xbt_new0(s_dw_type_t, 1);
955 type->type = type_type;
957 type->name = xbt_strdup(name);
959 type->name = xbt_strdup("undefined");
960 type->is_pointer_type = is_pointer;
961 type->id = (void *)strtoul(origin, NULL, 16);
963 type->dw_type_id = xbt_strdup(type_origin);
964 if(type_type == e_dw_enumerator)
965 type->size = enumeration_size;
968 type->members = NULL;
970 xbt_dict_set(*types, origin, type, NULL);
974 xbt_free(type_origin);
983 }else if(strcmp(node_type, "(DW_TAG_structure_type)") == 0 || strcmp(node_type, "(DW_TAG_union_type)") == 0){
985 if(strcmp(node_type, "(DW_TAG_structure_type)") == 0)
990 strtok(xbt_dynar_get_as(split, 0, char *), "<");
991 origin = strdup(strtok(NULL, "<"));
992 xbt_str_rtrim(origin, ">:");
994 read = xbt_getline(&line, &n, fp);
996 dw_type_t type = NULL;
1002 /* Wipeout the new line character */
1003 line[read - 1] = '\0';
1005 if(n == 0 || strlen(line) == 0){
1006 read = xbt_getline(&line, &n, fp);
1010 xbt_dynar_free(&split);
1011 xbt_str_rtrim(line, NULL);
1012 xbt_str_strip_spaces(line);
1013 split = xbt_str_split(line, " ");
1015 node_type = xbt_dynar_get_as(split, 1, char *);
1017 if(strncmp(node_type, "DW_AT_", 6) != 0){
1022 if(strcmp(node_type, "DW_AT_byte_size") == 0){
1023 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1024 }else if(strcmp(node_type, "DW_AT_name") == 0){
1026 end = xbt_str_join(split, " ");
1027 xbt_dynar_free(&split);
1028 split = xbt_str_split(end, "):");
1029 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1030 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1031 }else if(strcmp(node_type, "DW_AT_type") == 0){
1032 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1033 xbt_str_ltrim(type_origin, "<0x");
1034 xbt_str_rtrim(type_origin, ">");
1035 }else if(strcmp(node_type, "DW_AT_data_member_location:") == 0){
1037 end = xbt_str_join(split, " ");
1038 xbt_dynar_free(&split);
1039 split = xbt_str_split(end, "DW_OP_plus_uconst:");
1040 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), NULL);
1041 xbt_str_rtrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), ")");
1042 offset = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1045 read = xbt_getline(&line, &n, fp);
1049 if(member_end && type){
1052 dw_type_t member_type = xbt_new0(s_dw_type_t, 1);
1053 member_type->name = xbt_strdup(name);
1054 member_type->size = size;
1055 member_type->is_pointer_type = is_pointer;
1056 member_type->id = (void *)strtoul(origin, NULL, 16);
1057 member_type->offset = offset;
1059 member_type->dw_type_id = xbt_strdup(type_origin);
1061 xbt_dynar_push(type->members, &member_type);
1067 xbt_free(type_origin);
1074 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1075 origin = strdup(strtok(NULL, "<"));
1076 xbt_str_rtrim(origin, ">:");
1080 if(struct_decl || union_decl){
1081 type = xbt_new0(s_dw_type_t, 1);
1083 type->type = e_dw_structure_type;
1085 type->type = e_dw_union_type;
1086 type->name = xbt_strdup(name);
1088 type->is_pointer_type = is_pointer;
1089 type->id = (void *)strtoul(origin, NULL, 16);
1091 type->dw_type_id = xbt_strdup(type_origin);
1092 type->members = xbt_dynar_new(sizeof(dw_type_t), dw_type_free_voidp);
1094 xbt_dict_set(*types, origin, type, NULL);
1100 xbt_free(type_origin);
1108 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_member)") != 0)
1111 read = xbt_getline(&line, &n, fp);
1118 }else if(strcmp(node_type, "(DW_TAG_array_type)") == 0){
1120 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1121 origin = strdup(strtok(NULL, "<"));
1122 xbt_str_rtrim(origin, ">:");
1124 read = xbt_getline(&line, &n, fp);
1126 dw_type_t type = NULL;
1132 /* Wipeout the new line character */
1133 line[read - 1] = '\0';
1135 if(n == 0 || strlen(line) == 0){
1136 read = xbt_getline(&line, &n, fp);
1140 xbt_dynar_free(&split);
1141 xbt_str_rtrim(line, NULL);
1142 xbt_str_strip_spaces(line);
1143 split = xbt_str_split(line, " ");
1145 node_type = xbt_dynar_get_as(split, 1, char *);
1147 if(strncmp(node_type, "DW_AT_", 6) != 0)
1150 if(strcmp(node_type, "DW_AT_upper_bound") == 0){
1151 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1152 }else if(strcmp(node_type, "DW_AT_name") == 0){
1153 end = xbt_str_join(split, " ");
1154 xbt_dynar_free(&split);
1155 split = xbt_str_split(end, "):");
1156 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1157 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1158 }else if(strcmp(node_type, "DW_AT_type") == 0){
1159 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1160 xbt_str_ltrim(type_origin, "<0x");
1161 xbt_str_rtrim(type_origin, ">");
1164 read = xbt_getline(&line, &n, fp);
1168 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") == 0){
1172 if(subrange && type){
1179 xbt_free(type_origin);
1185 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1186 origin = strdup(strtok(NULL, "<"));
1187 xbt_str_rtrim(origin, ">:");
1191 type = xbt_new0(s_dw_type_t, 1);
1192 type->type = e_dw_array_type;
1193 type->name = xbt_strdup(name);
1194 type->is_pointer_type = is_pointer;
1195 type->id = (void *)strtoul(origin, NULL, 16);
1197 type->dw_type_id = xbt_strdup(type_origin);
1198 type->members = NULL;
1200 xbt_dict_set(*types, origin, type, NULL);
1206 xbt_free(type_origin);
1211 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") != 0)
1214 read = xbt_getline(&line, &n, fp);
1223 read = xbt_getline(&line, &n, fp);
1229 xbt_dynar_free(&split);
1230 xbt_dict_free(&variables_origin);
1231 xbt_dict_free(&subprograms_origin);
1239 /******************************* Ignore mechanism *******************************/
1240 /*********************************************************************************/
1242 xbt_dynar_t mc_checkpoint_ignore;
1244 typedef struct s_mc_stack_ignore_variable{
1247 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
1249 typedef struct s_mc_data_bss_ignore_variable{
1251 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
1253 /**************************** Free functions ******************************/
1255 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
1256 xbt_free(v->var_name);
1261 static void stack_ignore_variable_free_voidp(void *v){
1262 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
1265 void heap_ignore_region_free(mc_heap_ignore_region_t r){
1269 void heap_ignore_region_free_voidp(void *r){
1270 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
1273 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
1278 static void data_bss_ignore_variable_free_voidp(void *v){
1279 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
1282 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
1286 static void checkpoint_ignore_region_free_voidp(void *r){
1287 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
1290 /***********************************************************************/
1292 void MC_ignore_heap(void *address, size_t size){
1294 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1298 mc_heap_ignore_region_t region = NULL;
1299 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
1300 region->address = address;
1301 region->size = size;
1303 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1305 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
1306 region->fragment = -1;
1307 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
1309 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
1310 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
1313 if(mc_heap_comparison_ignore == NULL){
1314 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
1315 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
1321 unsigned int cursor = 0;
1322 mc_heap_ignore_region_t current_region = NULL;
1324 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1326 while(start <= end){
1327 cursor = (start + end) / 2;
1328 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1329 if(current_region->address == address){
1330 heap_ignore_region_free(region);
1334 }else if(current_region->address < address){
1341 if(current_region->address < address)
1342 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
1344 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
1350 void MC_remove_ignore_heap(void *address, size_t size){
1352 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1356 unsigned int cursor = 0;
1358 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1359 mc_heap_ignore_region_t region;
1360 int ignore_found = 0;
1362 while(start <= end){
1363 cursor = (start + end) / 2;
1364 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1365 if(region->address == address){
1368 }else if(region->address < address){
1371 if((char * )region->address <= ((char *)address + size)){
1380 if(ignore_found == 1){
1381 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
1382 MC_remove_ignore_heap(address, size);
1390 void MC_ignore_global_variable(const char *name){
1392 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1396 if(mc_global_variables_libsimgrid){
1398 unsigned int cursor = 0;
1399 dw_variable_t current_var;
1401 int end = xbt_dynar_length(mc_global_variables_libsimgrid) - 1;
1403 while(start <= end){
1404 cursor = (start + end) /2;
1405 current_var = (dw_variable_t)xbt_dynar_get_as(mc_global_variables_libsimgrid, cursor, dw_variable_t);
1406 if(strcmp(current_var->name, name) == 0){
1407 xbt_dynar_remove_at(mc_global_variables_libsimgrid, cursor, NULL);
1409 end = xbt_dynar_length(mc_global_variables_libsimgrid) - 1;
1410 }else if(strcmp(current_var->name, name) < 0){
1419 if(mc_data_bss_comparison_ignore == NULL)
1420 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
1422 mc_data_bss_ignore_variable_t var = NULL;
1423 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
1424 var->name = strdup(name);
1426 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
1428 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
1432 unsigned int cursor = 0;
1434 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
1435 mc_data_bss_ignore_variable_t current_var = NULL;
1437 while(start <= end){
1438 cursor = (start + end) / 2;
1439 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
1440 if(strcmp(current_var->name, name) == 0){
1441 data_bss_ignore_variable_free(var);
1445 }else if(strcmp(current_var->name, name) < 0){
1452 if(strcmp(current_var->name, name) < 0)
1453 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
1455 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
1464 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
1466 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1470 if(mc_local_variables_libsimgrid){
1471 unsigned int cursor = 0;
1472 dw_variable_t current_var;
1474 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
1475 xbt_dict_cursor_t dict_cursor;
1476 char *current_frame_name;
1478 xbt_dict_foreach(mc_local_variables_libsimgrid, dict_cursor, current_frame_name, frame){
1480 end = xbt_dynar_length(frame->variables) - 1;
1481 while(start <= end){
1482 cursor = (start + end) / 2;
1483 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1484 if(strcmp(current_var->name, var_name) == 0){
1485 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1487 end = xbt_dynar_length(frame->variables) - 1;
1488 }else if(strcmp(current_var->name, var_name) < 0){
1495 xbt_dict_foreach(mc_local_variables_binary, dict_cursor, current_frame_name, frame){
1497 end = xbt_dynar_length(frame->variables) - 1;
1498 while(start <= end){
1499 cursor = (start + end) / 2;
1500 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1501 if(strcmp(current_var->name, var_name) == 0){
1502 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1504 end = xbt_dynar_length(frame->variables) - 1;
1505 }else if(strcmp(current_var->name, var_name) < 0){
1513 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(mc_local_variables_libsimgrid, frame_name))->variables;
1515 end = xbt_dynar_length(variables_list) - 1;
1516 while(start <= end){
1517 cursor = (start + end) / 2;
1518 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
1519 if(strcmp(current_var->name, var_name) == 0){
1520 xbt_dynar_remove_at(variables_list, cursor, NULL);
1522 end = xbt_dynar_length(variables_list) - 1;
1523 }else if(strcmp(current_var->name, var_name) < 0){
1532 if(mc_stack_comparison_ignore == NULL)
1533 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
1535 mc_stack_ignore_variable_t var = NULL;
1536 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
1537 var->var_name = strdup(var_name);
1538 var->frame = strdup(frame_name);
1540 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
1542 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
1546 unsigned int cursor = 0;
1548 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
1549 mc_stack_ignore_variable_t current_var = NULL;
1551 while(start <= end){
1552 cursor = (start + end) / 2;
1553 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
1554 if(strcmp(current_var->frame, frame_name) == 0){
1555 if(strcmp(current_var->var_name, var_name) == 0){
1556 stack_ignore_variable_free(var);
1560 }else if(strcmp(current_var->var_name, var_name) < 0){
1565 }else if(strcmp(current_var->frame, frame_name) < 0){
1572 if(strcmp(current_var->frame, frame_name) == 0){
1573 if(strcmp(current_var->var_name, var_name) < 0){
1574 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1576 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1578 }else if(strcmp(current_var->frame, frame_name) < 0){
1579 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1581 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1591 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
1593 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1597 if(stacks_areas == NULL)
1598 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
1600 stack_region_t region = NULL;
1601 region = xbt_new0(s_stack_region_t, 1);
1602 region->address = stack;
1603 region->process_name = strdup(name);
1604 region->context = context;
1605 region->size = size;
1606 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1607 xbt_dynar_push(stacks_areas, ®ion);
1613 void MC_ignore(void *addr, size_t size){
1615 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
1619 if(mc_checkpoint_ignore == NULL)
1620 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
1622 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
1623 region->addr = addr;
1624 region->size = size;
1626 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
1627 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
1630 unsigned int cursor = 0;
1632 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
1633 mc_checkpoint_ignore_region_t current_region = NULL;
1635 while(start <= end){
1636 cursor = (start + end) / 2;
1637 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
1638 if(current_region->addr == addr){
1639 if(current_region->size == size){
1640 checkpoint_ignore_region_free(region);
1644 }else if(current_region->size < size){
1649 }else if(current_region->addr < addr){
1656 if(current_region->addr == addr){
1657 if(current_region->size < size){
1658 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1660 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1662 }else if(current_region->addr < addr){
1663 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1665 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1673 /******************************* Initialisation of MC *******************************/
1674 /*********************************************************************************/
1676 static void MC_dump_ignored_local_variables(void){
1678 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
1681 unsigned int cursor = 0;
1682 mc_stack_ignore_variable_t current_var;
1684 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
1685 MC_ignore_local_variable(current_var->var_name, current_var->frame);
1688 xbt_dynar_free(&mc_stack_comparison_ignore);
1689 mc_stack_comparison_ignore = NULL;
1693 static void MC_dump_ignored_global_variables(void){
1695 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
1698 unsigned int cursor = 0;
1699 mc_data_bss_ignore_variable_t current_var;
1701 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
1702 MC_ignore_global_variable(current_var->name);
1705 xbt_dynar_free(&mc_data_bss_comparison_ignore);
1706 mc_data_bss_comparison_ignore = NULL;
1712 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1716 /* Initialize the data structures that must be persistent across every
1717 iteration of the model-checker (in RAW memory) */
1721 MC_init_memory_map_info();
1723 mc_local_variables_libsimgrid = xbt_dict_new_homogeneous(NULL);
1724 mc_local_variables_binary = xbt_dict_new_homogeneous(NULL);
1725 mc_global_variables_libsimgrid = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
1726 mc_global_variables_binary = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
1727 mc_variables_type_libsimgrid = xbt_dict_new_homogeneous(NULL);
1728 mc_variables_type_binary = xbt_dict_new_homogeneous(NULL);
1730 XBT_INFO("Get debug information ...");
1732 /* Get local variables in binary for state equality detection */
1733 xbt_dict_t binary_location_list = MC_dwarf_get_location_list(xbt_binary_name);
1734 MC_dwarf_get_variables(xbt_binary_name, binary_location_list, &mc_local_variables_binary, &mc_global_variables_binary, &mc_variables_type_binary);
1736 /* Get local variables in libsimgrid for state equality detection */
1737 xbt_dict_t libsimgrid_location_list = MC_dwarf_get_location_list(libsimgrid_path);
1738 MC_dwarf_get_variables(libsimgrid_path, libsimgrid_location_list, &mc_local_variables_libsimgrid, &mc_global_variables_libsimgrid, &mc_variables_type_libsimgrid);
1740 xbt_dict_free(&libsimgrid_location_list);
1741 xbt_dict_free(&binary_location_list);
1743 XBT_INFO("Get debug information done !");
1745 /* Remove variables ignored before getting list of variables */
1746 MC_dump_ignored_local_variables();
1747 MC_dump_ignored_global_variables();
1749 /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
1750 MC_get_libsimgrid_plt_section();
1751 MC_get_binary_plt_section();
1754 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
1758 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
1759 MC_ignore_local_variable("e", "*");
1760 MC_ignore_local_variable("__ex_cleanup", "*");
1761 MC_ignore_local_variable("__ex_mctx_en", "*");
1762 MC_ignore_local_variable("__ex_mctx_me", "*");
1763 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
1764 MC_ignore_local_variable("_log_ev", "*");
1765 MC_ignore_local_variable("_throw_ctx", "*");
1766 MC_ignore_local_variable("ctx", "*");
1768 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
1769 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
1771 /* Ignore local variable about time used for tracing */
1772 MC_ignore_local_variable("start_time", "*");
1774 MC_ignore_global_variable("mc_comp_times");
1775 MC_ignore_global_variable("mc_snapshot_comparison_time");
1776 MC_ignore_global_variable("mc_time");
1777 MC_ignore_global_variable("smpi_current_rank");
1778 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
1779 MC_ignore_global_variable("maestro_stack_start");
1780 MC_ignore_global_variable("maestro_stack_end");
1782 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
1783 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
1784 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
1785 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
1787 smx_process_t process;
1788 xbt_swag_foreach(process, simix_global->process_list){
1789 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
1797 static void MC_init_dot_output(){ /* FIXME : more colors */
1801 colors[2] = "green3";
1802 colors[3] = "goldenrod";
1803 colors[4] = "brown";
1804 colors[5] = "purple";
1805 colors[6] = "magenta";
1806 colors[7] = "turquoise4";
1807 colors[8] = "gray25";
1808 colors[9] = "forestgreen";
1809 colors[10] = "hotpink";
1810 colors[11] = "lightblue";
1813 dot_output = fopen(_sg_mc_dot_output_file, "w");
1815 if(dot_output == NULL){
1816 perror("Error open dot output file");
1820 fprintf(dot_output, "digraph graphname{\n fixedsize=true; rankdir=TB; ranksep=.25; edge [fontsize=12]; node [fontsize=10, shape=circle,width=.5 ]; graph [resolution=20, fontsize=10];\n");
1824 /******************************* Core of MC *******************************/
1825 /**************************************************************************/
1827 void MC_do_the_modelcheck_for_real() {
1830 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1833 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1834 if (mc_reduce_kind==e_mc_reduce_unset)
1835 mc_reduce_kind=e_mc_reduce_dpor;
1837 XBT_INFO("Check a safety property");
1838 MC_modelcheck_safety();
1842 if (mc_reduce_kind==e_mc_reduce_unset)
1843 mc_reduce_kind=e_mc_reduce_none;
1845 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1846 MC_automaton_load(_sg_mc_property_file);
1847 MC_modelcheck_liveness();
1851 void MC_modelcheck_safety(void)
1853 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1855 /* Check if MC is already initialized */
1856 if (initial_state_safety)
1859 mc_time = xbt_new0(double, simix_process_maxpid);
1861 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1862 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1864 /* Initialize the data structures that must be persistent across every
1865 iteration of the model-checker (in RAW memory) */
1869 /* Initialize statistics */
1870 mc_stats = xbt_new0(s_mc_stats_t, 1);
1871 mc_stats->state_size = 1;
1873 /* Create exploration stack */
1874 mc_stack_safety = xbt_fifo_new();
1876 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1877 MC_init_dot_output();
1881 if(_sg_mc_visited > 0){
1885 MC_init_memory_map_info();
1886 MC_get_libsimgrid_plt_section();
1887 MC_get_binary_plt_section();
1894 /* Save the initial state */
1895 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1896 initial_state_safety->snapshot = MC_take_snapshot(0);
1908 void MC_modelcheck_liveness(){
1910 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1914 mc_time = xbt_new0(double, simix_process_maxpid);
1916 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1917 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1921 /* Initialize statistics */
1922 mc_stats = xbt_new0(s_mc_stats_t, 1);
1923 mc_stats->state_size = 1;
1925 /* Create exploration stack */
1926 mc_stack_liveness = xbt_fifo_new();
1928 /* Create the initial state */
1929 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1931 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1932 MC_init_dot_output();
1939 MC_print_statistics(mc_stats);
1955 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1957 return simcall->mc_value;
1961 int MC_random(int min, int max)
1963 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1964 return simcall_mc_random(min, max);
1968 * \brief Schedules all the process that are ready to run
1970 void MC_wait_for_requests(void)
1972 smx_process_t process;
1976 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1977 SIMIX_process_runall();
1978 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1979 req = &process->simcall;
1980 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1981 SIMIX_simcall_pre(req, 0);
1986 int MC_deadlock_check()
1988 int deadlock = FALSE;
1989 smx_process_t process;
1990 if(xbt_swag_size(simix_global->process_list)){
1992 xbt_swag_foreach(process, simix_global->process_list){
1993 if(process->simcall.call != SIMCALL_NONE
1994 && MC_request_is_enabled(&process->simcall)){
2004 * \brief Re-executes from the state at position start all the transitions indicated by
2005 * a given model-checker stack.
2006 * \param stack The stack with the transitions to execute.
2007 * \param start Start index to begin the re-execution.
2009 void MC_replay(xbt_fifo_t stack, int start)
2011 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
2013 int value, i = 1, count = 1;
2015 smx_simcall_t req = NULL, saved_req = NULL;
2016 xbt_fifo_item_t item, start_item;
2018 smx_process_t process = NULL;
2020 XBT_DEBUG("**** Begin Replay ****");
2023 /* Restore the initial state */
2024 MC_restore_snapshot(initial_state_safety->snapshot);
2025 /* At the moment of taking the snapshot the raw heap was set, so restoring
2026 * it will set it back again, we have to unset it to continue */
2030 start_item = xbt_fifo_get_last_item(stack);
2033 start_item = xbt_fifo_get_prev_item(start_item);
2039 xbt_dict_reset(first_enabled_state);
2040 xbt_swag_foreach(process, simix_global->process_list){
2041 if(MC_process_is_enabled(process)){
2042 char *key = bprintf("%lu", process->pid);
2043 char *data = bprintf("%d", count);
2044 xbt_dict_set(first_enabled_state, key, data, NULL);
2051 /* Traverse the stack from the state at position start and re-execute the transitions */
2052 for (item = start_item;
2053 item != xbt_fifo_get_first_item(stack);
2054 item = xbt_fifo_get_prev_item(item)) {
2056 state = (mc_state_t) xbt_fifo_get_item_content(item);
2057 saved_req = MC_state_get_executed_request(state, &value);
2060 char *key = bprintf("%lu", saved_req->issuer->pid);
2061 xbt_dict_remove(first_enabled_state, key);
2066 /* because we got a copy of the executed request, we have to fetch the
2067 real one, pointed by the request field of the issuer process */
2068 req = &saved_req->issuer->simcall;
2070 /* Debug information */
2071 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2072 req_str = MC_request_to_string(req, value);
2073 XBT_DEBUG("Replay: %s (%p)", req_str, state);
2078 SIMIX_simcall_pre(req, value);
2079 MC_wait_for_requests();
2084 /* Insert in dict all enabled processes */
2085 xbt_swag_foreach(process, simix_global->process_list){
2086 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
2087 char *key = bprintf("%lu", process->pid);
2088 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
2089 char *data = bprintf("%d", count);
2090 xbt_dict_set(first_enabled_state, key, data, NULL);
2097 /* Update statistics */
2098 mc_stats->visited_states++;
2099 mc_stats->executed_transitions++;
2103 XBT_DEBUG("**** End Replay ****");
2113 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
2116 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2120 smx_simcall_t req = NULL, saved_req = NULL;
2121 xbt_fifo_item_t item;
2126 XBT_DEBUG("**** Begin Replay ****");
2128 /* Restore the initial state */
2129 MC_restore_snapshot(initial_state_liveness->snapshot);
2131 /* At the moment of taking the snapshot the raw heap was set, so restoring
2132 * it will set it back again, we have to unset it to continue */
2133 if(!initial_state_liveness->raw_mem_set)
2138 item = xbt_fifo_get_last_item(stack);
2140 while(depth <= xbt_fifo_size(stack)){
2142 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2143 state = (mc_state_t) pair->graph_state;
2145 if(pair->requests > 0){
2147 saved_req = MC_state_get_executed_request(state, &value);
2148 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2150 if(saved_req != NULL){
2151 /* because we got a copy of the executed request, we have to fetch the
2152 real one, pointed by the request field of the issuer process */
2153 req = &saved_req->issuer->simcall;
2154 //XBT_DEBUG("Req->call %u", req->call);
2156 /* Debug information */
2157 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2158 req_str = MC_request_to_string(req, value);
2159 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2165 SIMIX_simcall_pre(req, value);
2166 MC_wait_for_requests();
2171 /* Update statistics */
2172 mc_stats->visited_pairs++;
2173 mc_stats->executed_transitions++;
2175 item = xbt_fifo_get_prev_item(item);
2180 /* Traverse the stack from the initial state and re-execute the transitions */
2181 for (item = xbt_fifo_get_last_item(stack);
2182 item != xbt_fifo_get_first_item(stack);
2183 item = xbt_fifo_get_prev_item(item)) {
2185 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2186 state = (mc_state_t) pair->graph_state;
2188 if(pair->requests > 0){
2190 saved_req = MC_state_get_executed_request(state, &value);
2191 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2193 if(saved_req != NULL){
2194 /* because we got a copy of the executed request, we have to fetch the
2195 real one, pointed by the request field of the issuer process */
2196 req = &saved_req->issuer->simcall;
2197 //XBT_DEBUG("Req->call %u", req->call);
2199 /* Debug information */
2200 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2201 req_str = MC_request_to_string(req, value);
2202 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2208 SIMIX_simcall_pre(req, value);
2209 MC_wait_for_requests();
2214 /* Update statistics */
2215 mc_stats->visited_pairs++;
2216 mc_stats->executed_transitions++;
2220 XBT_DEBUG("**** End Replay ****");
2222 if(initial_state_liveness->raw_mem_set)
2230 * \brief Dumps the contents of a model-checker's stack and shows the actual
2232 * \param stack The stack to dump
2234 void MC_dump_stack_safety(xbt_fifo_t stack)
2237 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2239 MC_show_stack_safety(stack);
2241 if(!_sg_mc_checkpoint){
2246 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
2247 MC_state_delete(state);
2260 void MC_show_stack_safety(xbt_fifo_t stack)
2263 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2269 xbt_fifo_item_t item;
2271 char *req_str = NULL;
2273 for (item = xbt_fifo_get_last_item(stack);
2274 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
2275 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2276 req = MC_state_get_executed_request(state, &value);
2278 req_str = MC_request_to_string(req, value);
2279 XBT_INFO("%s", req_str);
2288 void MC_show_deadlock(smx_simcall_t req)
2290 /*char *req_str = NULL;*/
2291 XBT_INFO("**************************");
2292 XBT_INFO("*** DEAD-LOCK DETECTED ***");
2293 XBT_INFO("**************************");
2294 XBT_INFO("Locked request:");
2295 /*req_str = MC_request_to_string(req);
2296 XBT_INFO("%s", req_str);
2297 xbt_free(req_str);*/
2298 XBT_INFO("Counter-example execution trace:");
2299 MC_dump_stack_safety(mc_stack_safety);
2300 MC_print_statistics(mc_stats);
2304 void MC_show_stack_liveness(xbt_fifo_t stack){
2307 xbt_fifo_item_t item;
2309 char *req_str = NULL;
2311 for (item = xbt_fifo_get_last_item(stack);
2312 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
2313 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2314 req = MC_state_get_executed_request(pair->graph_state, &value);
2316 if(pair->requests>0){
2317 req_str = MC_request_to_string(req, value);
2318 XBT_INFO("%s", req_str);
2321 XBT_INFO("End of system requests but evolution in Büchi automaton");
2327 void MC_dump_stack_liveness(xbt_fifo_t stack){
2329 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2334 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
2335 MC_pair_delete(pair);
2344 void MC_print_statistics(mc_stats_t stats)
2346 if(stats->expanded_pairs == 0){
2347 XBT_INFO("Expanded states = %lu", stats->expanded_states);
2348 XBT_INFO("Visited states = %lu", stats->visited_states);
2350 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
2351 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
2353 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
2355 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
2356 fprintf(dot_output, "}\n");
2362 void MC_assert(int prop)
2364 if (MC_is_active() && !prop){
2365 XBT_INFO("**************************");
2366 XBT_INFO("*** PROPERTY NOT VALID ***");
2367 XBT_INFO("**************************");
2368 XBT_INFO("Counter-example execution trace:");
2369 MC_dump_stack_safety(mc_stack_safety);
2370 MC_print_statistics(mc_stats);
2376 user_max_depth_reached = 1;
2379 void MC_process_clock_add(smx_process_t process, double amount)
2381 mc_time[process->pid] += amount;
2384 double MC_process_clock_get(smx_process_t process)
2388 return mc_time[process->pid];
2396 void MC_automaton_load(const char *file){
2398 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2402 if (_mc_property_automaton == NULL)
2403 _mc_property_automaton = xbt_automaton_new();
2405 xbt_automaton_load(_mc_property_automaton,file);
2414 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
2416 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2420 if (_mc_property_automaton == NULL)
2421 _mc_property_automaton = xbt_automaton_new();
2423 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);