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. */
13 #include "simgrid/sg_config.h"
14 #include "../surf/surf_private.h"
15 #include "../simix/smx_private.h"
16 #include "../xbt/mmalloc/mmprivate.h"
18 #include "mc_private.h"
19 #include "xbt/automaton.h"
22 static void MC_post_process_types(mc_object_info_t info);
24 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
25 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
26 "Logging specific to MC (global)");
28 /* Configuration support */
29 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
31 int _sg_do_model_check = 0;
32 int _sg_mc_checkpoint=0;
33 char* _sg_mc_property_file=NULL;
35 int _sg_mc_max_depth=1000;
37 char *_sg_mc_dot_output_file = NULL;
39 int user_max_depth_reached = 0;
41 void _mc_cfg_cb_reduce(const char *name, int pos) {
42 if (_sg_cfg_init_status && !_sg_do_model_check) {
43 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.");
45 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
46 if (!strcasecmp(val,"none")) {
47 mc_reduce_kind = e_mc_reduce_none;
48 } else if (!strcasecmp(val,"dpor")) {
49 mc_reduce_kind = e_mc_reduce_dpor;
51 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
55 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
56 if (_sg_cfg_init_status && !_sg_do_model_check) {
57 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.");
59 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
61 void _mc_cfg_cb_property(const char *name, int pos) {
62 if (_sg_cfg_init_status && !_sg_do_model_check) {
63 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.");
65 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
68 void _mc_cfg_cb_timeout(const char *name, int pos) {
69 if (_sg_cfg_init_status && !_sg_do_model_check) {
70 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.");
72 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
75 void _mc_cfg_cb_max_depth(const char *name, int pos) {
76 if (_sg_cfg_init_status && !_sg_do_model_check) {
77 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.");
79 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
82 void _mc_cfg_cb_visited(const char *name, int pos) {
83 if (_sg_cfg_init_status && !_sg_do_model_check) {
84 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.");
86 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
89 void _mc_cfg_cb_dot_output(const char *name, int pos) {
90 if (_sg_cfg_init_status && !_sg_do_model_check) {
91 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.");
93 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
96 /* MC global data structures */
97 mc_state_t mc_current_state = NULL;
98 char mc_replay_mode = FALSE;
99 double *mc_time = NULL;
100 __thread mc_comparison_times_t mc_comp_times = NULL;
101 __thread double mc_snapshot_comparison_time;
102 mc_stats_t mc_stats = NULL;
105 xbt_fifo_t mc_stack_safety = NULL;
106 mc_global_t initial_state_safety = NULL;
109 xbt_fifo_t mc_stack_liveness = NULL;
110 mc_global_t initial_state_liveness = NULL;
113 xbt_automaton_t _mc_property_automaton = NULL;
116 mc_object_info_t mc_libsimgrid_info = NULL;
117 mc_object_info_t mc_binary_info = NULL;
119 /* Ignore mechanism */
120 xbt_dynar_t mc_stack_comparison_ignore;
121 xbt_dynar_t mc_data_bss_comparison_ignore;
122 extern xbt_dynar_t mc_heap_comparison_ignore;
123 extern xbt_dynar_t stacks_areas;
126 FILE *dot_output = NULL;
127 const char* colors[13];
130 /******************************* DWARF Information *******************************/
131 /**********************************************************************************/
133 /************************** Free functions *************************/
135 static void dw_location_free(dw_location_t l){
137 if(l->type == e_dw_loclist)
138 xbt_dynar_free(&(l->location.loclist));
139 else if(l->type == e_dw_compose)
140 xbt_dynar_free(&(l->location.compose));
141 else if(l->type == e_dw_arithmetic)
142 xbt_free(l->location.arithmetic);
148 static void dw_location_entry_free(dw_location_entry_t e){
149 dw_location_free(e->location);
153 static void dw_type_free(dw_type_t t){
155 xbt_free(t->dw_type_id);
156 xbt_dynar_free(&(t->members));
160 static void dw_type_free_voidp(void *t){
161 dw_type_free((dw_type_t) * (void **) t);
164 static void dw_variable_free(dw_variable_t v){
167 xbt_free(v->type_origin);
169 dw_location_free(v->address.location);
174 static void dw_variable_free_voidp(void *t){
175 dw_variable_free((dw_variable_t) * (void **) t);
180 mc_object_info_t MC_new_object_info() {
181 mc_object_info_t res = xbt_new(s_mc_object_info_t, 1);
182 res->file_name = NULL;
183 res->start_text = NULL;
184 res->start_data = NULL;
185 res->start_bss = NULL;
186 res->start_plt = NULL;
188 res->start_got_plt = NULL;
189 res->end_got_plt = NULL;
190 res->local_variables = xbt_dict_new_homogeneous(NULL);
191 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
192 res->types = xbt_dict_new_homogeneous(NULL);
196 void MC_free_object_info(mc_object_info_t* info) {
197 xbt_free(&(*info)->file_name);
198 xbt_dict_free(&(*info)->local_variables);
199 xbt_dynar_free(&(*info)->global_variables);
200 xbt_dict_free(&(*info)->types);
205 /*************************************************************************/
207 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
209 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
211 if(location_list != NULL){
213 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
214 loc->type = e_dw_loclist;
215 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
216 if(loc->location.loclist == NULL)
217 XBT_INFO("Key not found in loclist");
224 char *tok = NULL, *tok2 = NULL;
226 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
229 loc->type = e_dw_compose;
230 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
232 while(cursor < xbt_dynar_length(tokens1)){
234 tok = xbt_dynar_get_as(tokens1, cursor, char*);
235 tokens2 = xbt_str_split(tok, " ");
236 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
238 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
239 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
240 new_element->type = e_dw_register;
241 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
242 xbt_dynar_push(loc->location.compose, &new_element);
243 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
244 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
245 new_element->type = e_dw_fbregister_op;
246 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
247 xbt_dynar_push(loc->location.compose, &new_element);
248 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
249 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
250 new_element->type = e_dw_bregister_op;
251 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
252 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
253 xbt_dynar_push(loc->location.compose, &new_element);
254 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
255 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
256 new_element->type = e_dw_lit;
257 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
258 xbt_dynar_push(loc->location.compose, &new_element);
259 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
260 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
261 new_element->type = e_dw_piece;
262 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
263 xbt_dynar_push(loc->location.compose, &new_element);
264 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
265 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
266 new_element->type = e_dw_plus_uconst;
267 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
268 xbt_dynar_push(loc->location.compose, &new_element);
269 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
270 strcmp(tok, "DW_OP_and") == 0 ||
271 strcmp(tok, "DW_OP_div") == 0 ||
272 strcmp(tok, "DW_OP_minus") == 0 ||
273 strcmp(tok, "DW_OP_mod") == 0 ||
274 strcmp(tok, "DW_OP_mul") == 0 ||
275 strcmp(tok, "DW_OP_neg") == 0 ||
276 strcmp(tok, "DW_OP_not") == 0 ||
277 strcmp(tok, "DW_OP_or") == 0 ||
278 strcmp(tok, "DW_OP_plus") == 0){
279 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
280 new_element->type = e_dw_arithmetic;
281 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
282 xbt_dynar_push(loc->location.compose, &new_element);
283 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
284 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
285 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
286 new_element->type = e_dw_deref;
287 new_element->location.deref_size = (unsigned int short) 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_deref") == 0){
290 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
291 new_element->type = e_dw_deref;
292 new_element->location.deref_size = sizeof(void *);
293 xbt_dynar_push(loc->location.compose, &new_element);
294 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
295 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
296 new_element->type = e_dw_uconstant;
297 new_element->location.uconstant.bytes = 1;
298 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
299 xbt_dynar_push(loc->location.compose, &new_element);
300 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
301 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
302 new_element->type = e_dw_sconstant;
303 new_element->location.sconstant.bytes = 1;
304 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
305 xbt_dynar_push(loc->location.compose, &new_element);
306 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
307 strcmp(tok2, "DW_OP_const2u:") == 0 ||
308 strcmp(tok2, "DW_OP_const4u:") == 0 ||
309 strcmp(tok2, "DW_OP_const8u:") == 0){
310 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
311 new_element->type = e_dw_uconstant;
312 new_element->location.uconstant.bytes = tok2[11] - '0';
313 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
314 xbt_dynar_push(loc->location.compose, &new_element);
315 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
316 strcmp(tok, "DW_OP_const2s") == 0 ||
317 strcmp(tok, "DW_OP_const4s") == 0 ||
318 strcmp(tok, "DW_OP_const8s") == 0){
319 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
320 new_element->type = e_dw_sconstant;
321 new_element->location.sconstant.bytes = tok2[11] - '0';
322 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
323 xbt_dynar_push(loc->location.compose, &new_element);
325 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
326 new_element->type = e_dw_unsupported;
327 xbt_dynar_push(loc->location.compose, &new_element);
331 xbt_dynar_free(&tokens2);
335 xbt_dynar_free(&tokens1);
343 /** @brief Extract the location lists from an ELF file (.debug_loc)
345 * @return A map from the offset in the list (in hexadecimal string)
346 * into a location list (dynar of dw_location_entry_t).
348 static xbt_dict_t MC_dwarf_get_location_list(const char *elf_file){
350 char *command = bprintf("LANG=C objdump -Wo %s", elf_file);
352 FILE *fp = popen(command, "r");
355 perror("popen for objdump failed");
359 int debug = 0; /*Detect if the program has been compiled with -g */
361 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
362 char *line = NULL, *loc_expr = NULL;
366 xbt_dynar_t split = NULL;
368 while ((read = xbt_getline(&line, &n, fp)) != -1) {
370 /* Wipeout the new line character */
371 line[read - 1] = '\0';
373 xbt_str_trim(line, NULL);
378 if(strlen(line) == 0)
383 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
386 if(strncmp(line, "Contents", 8) == 0)
389 if(strncmp(line, "Offset", 6) == 0){
396 XBT_INFO("Your program must be compiled with -g");
400 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
402 xbt_str_strip_spaces(line);
403 split = xbt_str_split(line, " ");
406 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
408 // Take the key from the first line of the list:
410 key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
413 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
414 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
415 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
418 while(cursor_remove < 3){
419 xbt_dynar_remove_at(split, 0, NULL);
423 loc_expr = xbt_str_join(split, " ");
424 xbt_str_ltrim(loc_expr, "(");
425 xbt_str_rtrim(loc_expr, ")");
426 new_entry->location = MC_dwarf_get_location(NULL, loc_expr);
428 xbt_dynar_push(loclist, &new_entry);
430 xbt_dynar_free(&split);
433 read = xbt_getline(&line, &n, fp);
435 line[read - 1] = '\0';
436 xbt_str_strip_spaces(line);
437 split = xbt_str_split(line, " ");
443 xbt_dict_set(location_list, key, loclist, NULL);
446 xbt_dynar_free(&split);
454 return location_list;
457 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
459 * The offset can be an offset of a child DW_TAG_variable.
461 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
463 xbt_dict_cursor_t cursor = NULL;
467 xbt_dict_foreach(all_variables, cursor, name, res) {
468 if(offset >= res->start && offset < res->end){
469 xbt_dict_cursor_free(&cursor);
474 xbt_dict_cursor_free(&cursor);
479 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
481 unsigned int cursor = 0;
482 dw_variable_t current_var;
484 xbt_dynar_foreach(frame->variables, cursor, current_var){
485 if(strcmp(var, current_var->name) == 0)
492 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
494 if(xbt_dynar_is_empty(variables))
497 unsigned int cursor = 0;
499 int end = xbt_dynar_length(variables) - 1;
500 dw_variable_t var_test = NULL;
503 cursor = (start + end) / 2;
504 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
505 if(strcmp(var_test->name, var) < 0){
507 }else if(strcmp(var_test->name, var) > 0){
510 if(address){ /* global variable */
511 if(var_test->address.address == address)
513 if(var_test->address.address > address)
517 }else{ /* local variable */
523 if(strcmp(var_test->name, var) == 0){
524 if(address && var_test->address.address < address)
528 }else if(strcmp(var_test->name, var) < 0)
535 /** \brief Fill DWARf debug infomations (types, frames, variables ...). */
536 void MC_dwarf_get_variables(mc_object_info_t info) {
537 mc_object_info_t result = info;
538 const char *elf_file = info->file_name;
540 xbt_dict_t location_list = MC_dwarf_get_location_list(elf_file);
542 char *command = bprintf("LANG=C objdump -Wi %s", elf_file);
544 FILE *fp = popen(command, "r");
547 perror("popen for objdump failed");
549 xbt_dict_t *local_variables = &result->local_variables;
550 xbt_dynar_t *global_variables = &result->global_variables;
551 xbt_dict_t *types = &result->types;
553 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL,
554 *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL,
555 *node_type = NULL, *location_type = NULL, *variable_name = NULL,
556 *loc_expr = NULL, *name = NULL, *end =NULL, *type_origin = NULL, *global_address = NULL,
557 *parent_value = NULL;
561 int global_variable = 0, parent = 0, new_frame = 0, new_variable = 1, size = 0,
562 is_pointer = 0, struct_decl = 0, member_end = 0,
563 enumeration_size = 0, subrange = 0, union_decl = 0, offset = 0, index = 0;
565 xbt_dynar_t split = NULL, split2 = NULL;
567 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(xbt_free);
568 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(xbt_free);
570 dw_frame_t variable_frame, subroutine_frame = NULL;
572 e_dw_type_type type_type = -1;
574 read = xbt_getline(&line, &n, fp);
578 /* Wipeout the new line character */
579 line[read - 1] = '\0';
581 if(n == 0 || strlen(line) == 0){
582 read = xbt_getline(&line, &n, fp);
586 xbt_str_ltrim(line, NULL);
587 xbt_str_strip_spaces(line);
590 read = xbt_getline(&line, &n, fp);
594 xbt_dynar_free(&split);
595 split = xbt_str_split(line, " ");
598 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
600 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
601 /* We build/complete a dw_frame_t object
602 * and append it if necessary to the local_variables dictionnary */
604 dw_frame_t frame = NULL;
606 strtok(xbt_dynar_get_as(split, 0, char *), "<");
607 subprogram_start = xbt_strdup(strtok(NULL, "<"));
608 xbt_str_rtrim(subprogram_start, ">:");
610 read = xbt_getline(&line, &n, fp);
614 /* Wipeout the new line character */
615 line[read - 1] = '\0';
617 if(n == 0 || strlen(line) == 0){
618 read = xbt_getline(&line, &n, fp);
622 xbt_dynar_free(&split);
623 xbt_str_rtrim(line, NULL);
624 xbt_str_strip_spaces(line);
625 split = xbt_str_split(line, " ");
627 node_type = xbt_dynar_get_as(split, 1, char *);
629 if(strncmp(node_type, "DW_AT_", 6) != 0)
632 if(strcmp(node_type, "DW_AT_sibling") == 0){
634 subprogram_end = xbt_strdup(xbt_dynar_get_as(split, 3, char*));
635 xbt_str_ltrim(subprogram_end, "<0x");
636 xbt_str_rtrim(subprogram_end, ">");
638 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
641 abstract_origin = xbt_strdup(xbt_dynar_get_as(split, 2, char*));
642 xbt_str_ltrim(abstract_origin, "<0x");
643 xbt_str_rtrim(abstract_origin, ">");
644 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
645 frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
646 xbt_free(abstract_origin);
648 }else if(strcmp(node_type, "DW_AT_name") == 0){
651 xbt_free(current_frame);
652 frame = xbt_new0(s_dw_frame_t, 1);
653 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
654 frame->variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
655 frame->frame_base = xbt_new0(s_dw_location_t, 1);
656 current_frame = strdup(frame->name);
658 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
660 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
662 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
664 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
666 frame->frame_base = MC_dwarf_get_location(location_list, xbt_dynar_get_as(split, 3, char *));
670 xbt_str_strip_spaces(line);
671 split2 = xbt_str_split(line, "(");
672 xbt_dynar_remove_at(split2, 0, NULL);
673 loc_expr = xbt_str_join(split2, " ");
674 xbt_str_rtrim(loc_expr, ")");
675 frame->frame_base = MC_dwarf_get_location(NULL, loc_expr);
676 xbt_dynar_free(&split2);
681 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
684 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
686 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
689 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
691 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
693 xbt_free(frame->name);
694 xbt_free(current_frame);
695 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
696 current_frame = strdup(frame->name);
697 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
701 read = xbt_getline(&line, &n, fp);
706 frame->start = strtoul(subprogram_start, NULL, 16);
707 if(subprogram_end != NULL)
708 frame->end = strtoul(subprogram_end, NULL, 16);
709 xbt_dict_set(*local_variables, frame->name, frame, NULL);
712 xbt_free(subprogram_start);
713 xbt_free(subprogram_end);
714 subprogram_end = NULL;
717 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
718 /* We build a dw_variable_t object and append it either to
719 the list of variables of the frame (local variable)
720 or to the list of global variables (global variables). */
722 dw_variable_t var = NULL;
724 parent_value = strdup(xbt_dynar_get_as(split, 0, char *));
725 parent_value = strtok(parent_value,"<");
726 xbt_str_rtrim(parent_value, ">");
727 parent = atoi(parent_value);
728 xbt_free(parent_value);
733 strtok(xbt_dynar_get_as(split, 0, char *), "<");
734 origin = xbt_strdup(strtok(NULL, "<"));
735 xbt_str_rtrim(origin, ">:");
737 read = xbt_getline(&line, &n, fp);
741 /* Wipeout the new line character */
742 line[read - 1] = '\0';
744 if(n == 0 || strlen(line) == 0){
745 read = xbt_getline(&line, &n, fp);
749 xbt_dynar_free(&split);
750 xbt_str_rtrim(line, NULL);
751 xbt_str_strip_spaces(line);
752 split = xbt_str_split(line, " ");
754 node_type = xbt_dynar_get_as(split, 1, char *);
756 if(strncmp(node_type, "DW_AT_", 6) != 0)
759 if(strcmp(node_type, "DW_AT_name") == 0){
761 var = xbt_new0(s_dw_variable_t, 1);
762 var->name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
763 xbt_dict_set(variables_origin, origin, xbt_strdup(var->name), NULL);
765 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
769 abstract_origin = xbt_dynar_get_as(split, 2, char *);
770 xbt_str_ltrim(abstract_origin, "<0x");
771 xbt_str_rtrim(abstract_origin, ">");
773 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
774 variable_frame = MC_dwarf_get_frame_by_offset(*local_variables, strtoul(abstract_origin, NULL, 16));
775 var = MC_dwarf_get_variable_by_name(variable_frame, variable_name);
777 }else if(strcmp(node_type, "DW_AT_location") == 0){
781 if(!global_variable){
783 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
785 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
786 var->address.location = MC_dwarf_get_location(location_list, xbt_dynar_get_as(split, 3, char *));
788 xbt_str_strip_spaces(line);
789 split2 = xbt_str_split(line, "(");
790 xbt_dynar_remove_at(split2, 0, NULL);
791 loc_expr = xbt_str_join(split2, " ");
792 xbt_str_rtrim(loc_expr, ")");
793 if(strncmp("DW_OP_addr", loc_expr, 10) == 0){
795 xbt_dynar_free(&split2);
796 split2 = xbt_str_split(loc_expr, " ");
797 if(strcmp(elf_file, xbt_binary_name) != 0)
798 var->address.address = (char *) info->start_text + (long)((void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16));
800 // Why is it different ?
801 var->address.address = (void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16);
803 var->address.location = MC_dwarf_get_location(NULL, loc_expr);
805 xbt_dynar_free(&split2);
809 global_address = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
810 xbt_str_rtrim(global_address, ")");
811 if(strcmp(elf_file, xbt_binary_name) != 0)
812 var->address.address = (char *) info->start_text + (long)((void *)strtoul(global_address, NULL, 16));
814 // Why is it different ?
815 var->address.address = (void *)strtoul(global_address, NULL, 16);
816 xbt_free(global_address);
817 global_address = NULL;
822 }else if(strcmp(node_type, "DW_AT_type") == 0){
824 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
825 xbt_str_ltrim(type_origin, "<0x");
826 xbt_str_rtrim(type_origin, ">");
828 }else if(strcmp(node_type, "DW_AT_declaration") == 0){
832 dw_variable_free(var);
836 }else if(strcmp(node_type, "DW_AT_artificial") == 0){
840 dw_variable_free(var);
846 read = xbt_getline(&line, &n, fp);
850 if(new_variable == 1){
852 if(!global_variable){
853 variable_frame = xbt_dict_get_or_null(*local_variables, current_frame);
854 var->type_origin = strdup(type_origin);
856 index = MC_dwarf_get_variable_index(variable_frame->variables, var->name, NULL);
858 xbt_dynar_insert_at(variable_frame->variables, index, &var);
860 var->type_origin = strdup(type_origin);
862 index = MC_dwarf_get_variable_index(*global_variables, var->name, var->address.address);
864 xbt_dynar_insert_at(*global_variables, index, &var);
867 xbt_free(type_origin);
874 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
875 /* Update the information on the frame (we should duplicate it instead). */
877 read = xbt_getline(&line, &n, fp);
881 /* Wipeout the new line character */
882 line[read - 1] = '\0';
884 if(n == 0 || strlen(line) == 0){
885 read = xbt_getline(&line, &n, fp);
889 xbt_dynar_free(&split);
890 xbt_str_rtrim(line, NULL);
891 xbt_str_strip_spaces(line);
892 split = xbt_str_split(line, " ");
894 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
897 node_type = xbt_dynar_get_as(split, 1, char *);
899 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
901 origin = xbt_dynar_get_as(split, 2, char *);
902 xbt_str_ltrim(origin, "<0x");
903 xbt_str_rtrim(origin, ">");
905 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
906 subroutine_frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
908 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
910 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
912 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
914 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
917 read = xbt_getline(&line, &n, fp);
921 }else if(strcmp(node_type, "(DW_TAG_base_type)") == 0
922 || strcmp(node_type, "(DW_TAG_enumeration_type)") == 0
923 || strcmp(node_type, "(DW_TAG_enumerator)") == 0
924 || strcmp(node_type, "(DW_TAG_typedef)") == 0
925 || strcmp(node_type, "(DW_TAG_const_type)") == 0
926 || strcmp(node_type, "(DW_TAG_subroutine_type)") == 0
927 || strcmp(node_type, "(DW_TAG_volatile_type)") == 0
928 || (is_pointer = !strcmp(node_type, "(DW_TAG_pointer_type)"))){
930 /* Create the and add it to the types dictionnary */
932 if(strcmp(node_type, "(DW_TAG_base_type)") == 0)
933 type_type = e_dw_base_type;
934 else if(strcmp(node_type, "(DW_TAG_enumeration_type)") == 0)
935 type_type = e_dw_enumeration_type;
936 else if(strcmp(node_type, "(DW_TAG_enumerator)") == 0)
937 type_type = e_dw_enumerator;
938 else if(strcmp(node_type, "(DW_TAG_typedef)") == 0)
939 type_type = e_dw_typedef;
940 else if(strcmp(node_type, "(DW_TAG_const_type)") == 0)
941 type_type = e_dw_const_type;
942 else if(strcmp(node_type, "(DW_TAG_pointer_type)") == 0)
943 type_type = e_dw_pointer_type;
944 else if(strcmp(node_type, "(DW_TAG_subroutine_type)") == 0)
945 type_type = e_dw_subroutine_type;
946 else if(strcmp(node_type, "(DW_TAG_volatile_type)") == 0)
947 type_type = e_dw_volatile_type;
949 strtok(xbt_dynar_get_as(split, 0, char *), "<");
950 origin = strdup(strtok(NULL, "<"));
951 xbt_str_rtrim(origin, ">:");
953 read = xbt_getline(&line, &n, fp);
957 /* Wipeout the new line character */
958 line[read - 1] = '\0';
960 if(n == 0 || strlen(line) == 0){
961 read = xbt_getline(&line, &n, fp);
965 xbt_dynar_free(&split);
966 xbt_str_rtrim(line, NULL);
967 xbt_str_strip_spaces(line);
968 split = xbt_str_split(line, " ");
970 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
973 node_type = xbt_dynar_get_as(split, 1, char *);
975 if(strcmp(node_type, "DW_AT_byte_size") == 0){
976 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
977 if(type_type == e_dw_enumeration_type)
978 enumeration_size = size;
979 }else if(strcmp(node_type, "DW_AT_name") == 0){
980 end = xbt_str_join(split, " ");
981 xbt_dynar_free(&split);
982 split = xbt_str_split(end, "):");
983 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
984 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
985 }else if(strcmp(node_type, "DW_AT_type") == 0){
986 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
987 xbt_str_ltrim(type_origin, "<0x");
988 xbt_str_rtrim(type_origin, ">");
991 read = xbt_getline(&line, &n, fp);
994 dw_type_t type = xbt_new0(s_dw_type_t, 1);
995 type->type = type_type;
997 type->name = xbt_strdup(name);
999 type->name = xbt_strdup("undefined");
1000 type->is_pointer_type = is_pointer;
1001 type->id = (void *)strtoul(origin, NULL, 16);
1003 type->dw_type_id = xbt_strdup(type_origin);
1004 if(type_type == e_dw_enumerator) {
1005 type->element_count = enumeration_size;
1006 type->byte_size = size;
1009 type->byte_size = size;
1011 type->element_count = -1;
1013 type->members = NULL;
1015 xbt_dict_set(*types, origin, type, NULL);
1019 xbt_free(type_origin);
1028 }else if(strcmp(node_type, "(DW_TAG_structure_type)") == 0 || strcmp(node_type, "(DW_TAG_union_type)") == 0){
1030 if(strcmp(node_type, "(DW_TAG_structure_type)") == 0)
1035 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1036 origin = strdup(strtok(NULL, "<"));
1037 xbt_str_rtrim(origin, ">:");
1039 read = xbt_getline(&line, &n, fp);
1041 dw_type_t type = NULL;
1047 /* Wipeout the new line character */
1048 line[read - 1] = '\0';
1050 if(n == 0 || strlen(line) == 0){
1051 read = xbt_getline(&line, &n, fp);
1055 xbt_dynar_free(&split);
1056 xbt_str_rtrim(line, NULL);
1057 xbt_str_strip_spaces(line);
1058 split = xbt_str_split(line, " ");
1060 node_type = xbt_dynar_get_as(split, 1, char *);
1062 if(strncmp(node_type, "DW_AT_", 6) != 0){
1067 if(strcmp(node_type, "DW_AT_byte_size") == 0){
1068 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1069 }else if(strcmp(node_type, "DW_AT_name") == 0){
1071 end = xbt_str_join(split, " ");
1072 xbt_dynar_free(&split);
1073 split = xbt_str_split(end, "):");
1074 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1075 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1076 }else if(strcmp(node_type, "DW_AT_type") == 0){
1077 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1078 xbt_str_ltrim(type_origin, "<0x");
1079 xbt_str_rtrim(type_origin, ">");
1080 }else if(strcmp(node_type, "DW_AT_data_member_location:") == 0){
1082 end = xbt_str_join(split, " ");
1083 xbt_dynar_free(&split);
1084 split = xbt_str_split(end, "DW_OP_plus_uconst:");
1085 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), NULL);
1086 xbt_str_rtrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), ")");
1087 offset = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1090 read = xbt_getline(&line, &n, fp);
1094 if(member_end && type){
1097 // Why are we not simply referencing, the DW_AT_type?
1098 dw_type_t member_type = xbt_new0(s_dw_type_t, 1);
1099 member_type->name = xbt_strdup(name);
1100 member_type->byte_size = size;
1101 member_type->element_count = -1;
1102 member_type->is_pointer_type = is_pointer;
1103 member_type->id = (void *)strtoul(origin, NULL, 16);
1104 member_type->offset = offset;
1106 member_type->dw_type_id = xbt_strdup(type_origin);
1108 xbt_dynar_push(type->members, &member_type);
1114 xbt_free(type_origin);
1121 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1122 origin = strdup(strtok(NULL, "<"));
1123 xbt_str_rtrim(origin, ">:");
1127 if(struct_decl || union_decl){
1128 type = xbt_new0(s_dw_type_t, 1);
1130 type->type = e_dw_structure_type;
1132 type->type = e_dw_union_type;
1133 type->name = xbt_strdup(name);
1134 type->byte_size = size;
1135 type->element_count = -1;
1136 type->is_pointer_type = is_pointer;
1137 type->id = (void *)strtoul(origin, NULL, 16);
1139 type->dw_type_id = xbt_strdup(type_origin);
1140 type->members = xbt_dynar_new(sizeof(dw_type_t), dw_type_free_voidp);
1142 xbt_dict_set(*types, origin, type, NULL);
1148 xbt_free(type_origin);
1156 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_member)") != 0)
1159 read = xbt_getline(&line, &n, fp);
1166 }else if(strcmp(node_type, "(DW_TAG_array_type)") == 0){
1168 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1169 origin = strdup(strtok(NULL, "<"));
1170 xbt_str_rtrim(origin, ">:");
1172 read = xbt_getline(&line, &n, fp);
1174 dw_type_t type = NULL;
1176 // Read DW_TAG_subrange_type children:
1179 // Read attributes of the DW_TAG_subrange_type:
1182 /* Wipeout the new line character */
1183 line[read - 1] = '\0';
1185 if(n == 0 || strlen(line) == 0){
1186 read = xbt_getline(&line, &n, fp);
1190 xbt_dynar_free(&split);
1191 xbt_str_rtrim(line, NULL);
1192 xbt_str_strip_spaces(line);
1193 split = xbt_str_split(line, " ");
1195 node_type = xbt_dynar_get_as(split, 1, char *);
1197 if(strncmp(node_type, "DW_AT_", 6) != 0)
1200 if(strcmp(node_type, "DW_AT_upper_bound") == 0){
1201 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1202 }else if(strcmp(node_type, "DW_AT_name") == 0){
1203 end = xbt_str_join(split, " ");
1204 xbt_dynar_free(&split);
1205 split = xbt_str_split(end, "):");
1206 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1207 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1208 }else if(strcmp(node_type, "DW_AT_type") == 0){
1209 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1210 xbt_str_ltrim(type_origin, "<0x");
1211 xbt_str_rtrim(type_origin, ">");
1214 read = xbt_getline(&line, &n, fp);
1218 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") == 0){
1222 if(subrange && type){
1223 type->element_count = size;
1229 xbt_free(type_origin);
1235 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1236 origin = strdup(strtok(NULL, "<"));
1237 xbt_str_rtrim(origin, ">:");
1241 type = xbt_new0(s_dw_type_t, 1);
1242 type->type = e_dw_array_type;
1243 type->name = xbt_strdup(name);
1244 type->is_pointer_type = is_pointer;
1245 type->id = (void *)strtoul(origin, NULL, 16);
1247 type->dw_type_id = xbt_strdup(type_origin);
1248 type->members = NULL;
1250 // Filled in a post processing step:
1251 type-> byte_size = 0;
1253 xbt_dict_set(*types, origin, type, NULL);
1259 xbt_free(type_origin);
1264 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") != 0)
1267 read = xbt_getline(&line, &n, fp);
1276 read = xbt_getline(&line, &n, fp);
1282 xbt_dynar_free(&split);
1283 xbt_dict_free(&variables_origin);
1284 xbt_dict_free(&subprograms_origin);
1287 xbt_dict_free(&location_list);
1291 MC_post_process_types(info);
1294 static void MC_post_process_types(mc_object_info_t info) {
1295 xbt_dict_cursor_t cursor;
1298 xbt_dict_foreach(info->types, cursor, origin, type){
1299 if(type->type==e_dw_array_type) {
1300 xbt_assert(type->dw_type_id, "No base type for array %s %s", type->id, type->name);
1301 dw_type_t subtype = xbt_dict_get_or_null(info->types, type->dw_type_id);
1302 xbt_assert(subtype, "Unkown base type for array %s %s", type->id, type->name);
1303 type->byte_size = type->element_count*subtype->byte_size;
1308 /******************************* Ignore mechanism *******************************/
1309 /*********************************************************************************/
1311 xbt_dynar_t mc_checkpoint_ignore;
1313 typedef struct s_mc_stack_ignore_variable{
1316 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
1318 typedef struct s_mc_data_bss_ignore_variable{
1320 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
1322 /**************************** Free functions ******************************/
1324 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
1325 xbt_free(v->var_name);
1330 static void stack_ignore_variable_free_voidp(void *v){
1331 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
1334 void heap_ignore_region_free(mc_heap_ignore_region_t r){
1338 void heap_ignore_region_free_voidp(void *r){
1339 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
1342 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
1347 static void data_bss_ignore_variable_free_voidp(void *v){
1348 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
1351 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
1355 static void checkpoint_ignore_region_free_voidp(void *r){
1356 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
1359 /***********************************************************************/
1361 void MC_ignore_heap(void *address, size_t size){
1363 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1367 mc_heap_ignore_region_t region = NULL;
1368 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
1369 region->address = address;
1370 region->size = size;
1372 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1374 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
1375 region->fragment = -1;
1376 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
1378 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
1379 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
1382 if(mc_heap_comparison_ignore == NULL){
1383 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
1384 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
1390 unsigned int cursor = 0;
1391 mc_heap_ignore_region_t current_region = NULL;
1393 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1395 while(start <= end){
1396 cursor = (start + end) / 2;
1397 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1398 if(current_region->address == address){
1399 heap_ignore_region_free(region);
1403 }else if(current_region->address < address){
1410 if(current_region->address < address)
1411 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
1413 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
1419 void MC_remove_ignore_heap(void *address, size_t size){
1421 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1425 unsigned int cursor = 0;
1427 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1428 mc_heap_ignore_region_t region;
1429 int ignore_found = 0;
1431 while(start <= end){
1432 cursor = (start + end) / 2;
1433 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1434 if(region->address == address){
1437 }else if(region->address < address){
1440 if((char * )region->address <= ((char *)address + size)){
1449 if(ignore_found == 1){
1450 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
1451 MC_remove_ignore_heap(address, size);
1459 void MC_ignore_global_variable(const char *name){
1461 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1465 if(mc_libsimgrid_info){
1467 unsigned int cursor = 0;
1468 dw_variable_t current_var;
1470 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
1472 while(start <= end){
1473 cursor = (start + end) /2;
1474 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
1475 if(strcmp(current_var->name, name) == 0){
1476 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
1478 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
1479 }else if(strcmp(current_var->name, name) < 0){
1488 if(mc_data_bss_comparison_ignore == NULL)
1489 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
1491 mc_data_bss_ignore_variable_t var = NULL;
1492 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
1493 var->name = strdup(name);
1495 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
1497 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
1501 unsigned int cursor = 0;
1503 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
1504 mc_data_bss_ignore_variable_t current_var = NULL;
1506 while(start <= end){
1507 cursor = (start + end) / 2;
1508 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
1509 if(strcmp(current_var->name, name) == 0){
1510 data_bss_ignore_variable_free(var);
1514 }else if(strcmp(current_var->name, name) < 0){
1521 if(strcmp(current_var->name, name) < 0)
1522 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
1524 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
1533 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
1535 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1539 if(mc_libsimgrid_info){
1540 unsigned int cursor = 0;
1541 dw_variable_t current_var;
1543 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
1544 xbt_dict_cursor_t dict_cursor;
1545 char *current_frame_name;
1547 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
1549 end = xbt_dynar_length(frame->variables) - 1;
1550 while(start <= end){
1551 cursor = (start + end) / 2;
1552 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1553 if(strcmp(current_var->name, var_name) == 0){
1554 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1556 end = xbt_dynar_length(frame->variables) - 1;
1557 }else if(strcmp(current_var->name, var_name) < 0){
1564 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
1566 end = xbt_dynar_length(frame->variables) - 1;
1567 while(start <= end){
1568 cursor = (start + end) / 2;
1569 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1570 if(strcmp(current_var->name, var_name) == 0){
1571 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1573 end = xbt_dynar_length(frame->variables) - 1;
1574 }else if(strcmp(current_var->name, var_name) < 0){
1582 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
1583 mc_libsimgrid_info->local_variables, frame_name))->variables;
1585 end = xbt_dynar_length(variables_list) - 1;
1586 while(start <= end){
1587 cursor = (start + end) / 2;
1588 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
1589 if(strcmp(current_var->name, var_name) == 0){
1590 xbt_dynar_remove_at(variables_list, cursor, NULL);
1592 end = xbt_dynar_length(variables_list) - 1;
1593 }else if(strcmp(current_var->name, var_name) < 0){
1602 if(mc_stack_comparison_ignore == NULL)
1603 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
1605 mc_stack_ignore_variable_t var = NULL;
1606 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
1607 var->var_name = strdup(var_name);
1608 var->frame = strdup(frame_name);
1610 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
1612 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
1616 unsigned int cursor = 0;
1618 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
1619 mc_stack_ignore_variable_t current_var = NULL;
1621 while(start <= end){
1622 cursor = (start + end) / 2;
1623 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
1624 if(strcmp(current_var->frame, frame_name) == 0){
1625 if(strcmp(current_var->var_name, var_name) == 0){
1626 stack_ignore_variable_free(var);
1630 }else if(strcmp(current_var->var_name, var_name) < 0){
1635 }else if(strcmp(current_var->frame, frame_name) < 0){
1642 if(strcmp(current_var->frame, frame_name) == 0){
1643 if(strcmp(current_var->var_name, var_name) < 0){
1644 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1646 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1648 }else if(strcmp(current_var->frame, frame_name) < 0){
1649 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1651 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1661 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
1663 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1667 if(stacks_areas == NULL)
1668 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
1670 stack_region_t region = NULL;
1671 region = xbt_new0(s_stack_region_t, 1);
1672 region->address = stack;
1673 region->process_name = strdup(name);
1674 region->context = context;
1675 region->size = size;
1676 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1677 xbt_dynar_push(stacks_areas, ®ion);
1683 void MC_ignore(void *addr, size_t size){
1685 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
1689 if(mc_checkpoint_ignore == NULL)
1690 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
1692 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
1693 region->addr = addr;
1694 region->size = size;
1696 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
1697 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
1700 unsigned int cursor = 0;
1702 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
1703 mc_checkpoint_ignore_region_t current_region = NULL;
1705 while(start <= end){
1706 cursor = (start + end) / 2;
1707 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
1708 if(current_region->addr == addr){
1709 if(current_region->size == size){
1710 checkpoint_ignore_region_free(region);
1714 }else if(current_region->size < size){
1719 }else if(current_region->addr < addr){
1726 if(current_region->addr == addr){
1727 if(current_region->size < size){
1728 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1730 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1732 }else if(current_region->addr < addr){
1733 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1735 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1743 /******************************* Initialisation of MC *******************************/
1744 /*********************************************************************************/
1746 static void MC_dump_ignored_local_variables(void){
1748 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
1751 unsigned int cursor = 0;
1752 mc_stack_ignore_variable_t current_var;
1754 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
1755 MC_ignore_local_variable(current_var->var_name, current_var->frame);
1758 xbt_dynar_free(&mc_stack_comparison_ignore);
1759 mc_stack_comparison_ignore = NULL;
1763 static void MC_dump_ignored_global_variables(void){
1765 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
1768 unsigned int cursor = 0;
1769 mc_data_bss_ignore_variable_t current_var;
1771 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
1772 MC_ignore_global_variable(current_var->name);
1775 xbt_dynar_free(&mc_data_bss_comparison_ignore);
1776 mc_data_bss_comparison_ignore = NULL;
1780 static void MC_init_debug_info();
1781 static void MC_init_debug_info() {
1782 XBT_INFO("Get debug information ...");
1784 memory_map_t maps = MC_get_memory_map();
1786 /* Get local variables for state equality detection */
1787 mc_binary_info = MC_find_object_info(maps, xbt_binary_name);
1788 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path);
1790 MC_free_memory_map(maps);
1791 XBT_INFO("Get debug information done !");
1796 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1800 /* Initialize the data structures that must be persistent across every
1801 iteration of the model-checker (in RAW memory) */
1805 MC_init_memory_map_info();
1806 MC_init_debug_info();
1808 /* Remove variables ignored before getting list of variables */
1809 MC_dump_ignored_local_variables();
1810 MC_dump_ignored_global_variables();
1813 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
1817 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
1818 MC_ignore_local_variable("e", "*");
1819 MC_ignore_local_variable("__ex_cleanup", "*");
1820 MC_ignore_local_variable("__ex_mctx_en", "*");
1821 MC_ignore_local_variable("__ex_mctx_me", "*");
1822 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
1823 MC_ignore_local_variable("_log_ev", "*");
1824 MC_ignore_local_variable("_throw_ctx", "*");
1825 MC_ignore_local_variable("ctx", "*");
1827 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
1828 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
1830 /* Ignore local variable about time used for tracing */
1831 MC_ignore_local_variable("start_time", "*");
1833 MC_ignore_global_variable("mc_comp_times");
1834 MC_ignore_global_variable("mc_snapshot_comparison_time");
1835 MC_ignore_global_variable("mc_time");
1836 MC_ignore_global_variable("smpi_current_rank");
1837 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
1838 MC_ignore_global_variable("maestro_stack_start");
1839 MC_ignore_global_variable("maestro_stack_end");
1841 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
1842 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
1843 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
1844 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
1846 smx_process_t process;
1847 xbt_swag_foreach(process, simix_global->process_list){
1848 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
1856 static void MC_init_dot_output(){ /* FIXME : more colors */
1860 colors[2] = "green3";
1861 colors[3] = "goldenrod";
1862 colors[4] = "brown";
1863 colors[5] = "purple";
1864 colors[6] = "magenta";
1865 colors[7] = "turquoise4";
1866 colors[8] = "gray25";
1867 colors[9] = "forestgreen";
1868 colors[10] = "hotpink";
1869 colors[11] = "lightblue";
1872 dot_output = fopen(_sg_mc_dot_output_file, "w");
1874 if(dot_output == NULL){
1875 perror("Error open dot output file");
1879 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");
1883 /******************************* Core of MC *******************************/
1884 /**************************************************************************/
1886 void MC_do_the_modelcheck_for_real() {
1889 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1892 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1893 if (mc_reduce_kind==e_mc_reduce_unset)
1894 mc_reduce_kind=e_mc_reduce_dpor;
1896 XBT_INFO("Check a safety property");
1897 MC_modelcheck_safety();
1901 if (mc_reduce_kind==e_mc_reduce_unset)
1902 mc_reduce_kind=e_mc_reduce_none;
1904 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1905 MC_automaton_load(_sg_mc_property_file);
1906 MC_modelcheck_liveness();
1910 void MC_modelcheck_safety(void)
1912 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1914 /* Check if MC is already initialized */
1915 if (initial_state_safety)
1918 mc_time = xbt_new0(double, simix_process_maxpid);
1920 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1921 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1923 /* Initialize the data structures that must be persistent across every
1924 iteration of the model-checker (in RAW memory) */
1928 /* Initialize statistics */
1929 mc_stats = xbt_new0(s_mc_stats_t, 1);
1930 mc_stats->state_size = 1;
1932 /* Create exploration stack */
1933 mc_stack_safety = xbt_fifo_new();
1935 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1936 MC_init_dot_output();
1940 if(_sg_mc_visited > 0){
1944 MC_init_memory_map_info();
1945 MC_init_debug_info();
1952 /* Save the initial state */
1953 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1954 initial_state_safety->snapshot = MC_take_snapshot(0);
1966 void MC_modelcheck_liveness(){
1968 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1972 mc_time = xbt_new0(double, simix_process_maxpid);
1974 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1975 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1979 /* Initialize statistics */
1980 mc_stats = xbt_new0(s_mc_stats_t, 1);
1981 mc_stats->state_size = 1;
1983 /* Create exploration stack */
1984 mc_stack_liveness = xbt_fifo_new();
1986 /* Create the initial state */
1987 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1989 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1990 MC_init_dot_output();
1997 MC_print_statistics(mc_stats);
2013 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
2015 return simcall->mc_value;
2019 int MC_random(int min, int max)
2021 /*FIXME: return mc_current_state->executed_transition->random.value;*/
2022 return simcall_mc_random(min, max);
2026 * \brief Schedules all the process that are ready to run
2028 void MC_wait_for_requests(void)
2030 smx_process_t process;
2034 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
2035 SIMIX_process_runall();
2036 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
2037 req = &process->simcall;
2038 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
2039 SIMIX_simcall_pre(req, 0);
2044 int MC_deadlock_check()
2046 int deadlock = FALSE;
2047 smx_process_t process;
2048 if(xbt_swag_size(simix_global->process_list)){
2050 xbt_swag_foreach(process, simix_global->process_list){
2051 if(process->simcall.call != SIMCALL_NONE
2052 && MC_request_is_enabled(&process->simcall)){
2062 * \brief Re-executes from the state at position start all the transitions indicated by
2063 * a given model-checker stack.
2064 * \param stack The stack with the transitions to execute.
2065 * \param start Start index to begin the re-execution.
2067 void MC_replay(xbt_fifo_t stack, int start)
2069 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
2071 int value, i = 1, count = 1;
2073 smx_simcall_t req = NULL, saved_req = NULL;
2074 xbt_fifo_item_t item, start_item;
2076 smx_process_t process = NULL;
2078 XBT_DEBUG("**** Begin Replay ****");
2081 /* Restore the initial state */
2082 MC_restore_snapshot(initial_state_safety->snapshot);
2083 /* At the moment of taking the snapshot the raw heap was set, so restoring
2084 * it will set it back again, we have to unset it to continue */
2088 start_item = xbt_fifo_get_last_item(stack);
2091 start_item = xbt_fifo_get_prev_item(start_item);
2097 xbt_dict_reset(first_enabled_state);
2098 xbt_swag_foreach(process, simix_global->process_list){
2099 if(MC_process_is_enabled(process)){
2100 char *key = bprintf("%lu", process->pid);
2101 char *data = bprintf("%d", count);
2102 xbt_dict_set(first_enabled_state, key, data, NULL);
2109 /* Traverse the stack from the state at position start and re-execute the transitions */
2110 for (item = start_item;
2111 item != xbt_fifo_get_first_item(stack);
2112 item = xbt_fifo_get_prev_item(item)) {
2114 state = (mc_state_t) xbt_fifo_get_item_content(item);
2115 saved_req = MC_state_get_executed_request(state, &value);
2118 char *key = bprintf("%lu", saved_req->issuer->pid);
2119 xbt_dict_remove(first_enabled_state, key);
2124 /* because we got a copy of the executed request, we have to fetch the
2125 real one, pointed by the request field of the issuer process */
2126 req = &saved_req->issuer->simcall;
2128 /* Debug information */
2129 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2130 req_str = MC_request_to_string(req, value);
2131 XBT_DEBUG("Replay: %s (%p)", req_str, state);
2136 SIMIX_simcall_pre(req, value);
2137 MC_wait_for_requests();
2142 /* Insert in dict all enabled processes */
2143 xbt_swag_foreach(process, simix_global->process_list){
2144 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
2145 char *key = bprintf("%lu", process->pid);
2146 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
2147 char *data = bprintf("%d", count);
2148 xbt_dict_set(first_enabled_state, key, data, NULL);
2155 /* Update statistics */
2156 mc_stats->visited_states++;
2157 mc_stats->executed_transitions++;
2161 XBT_DEBUG("**** End Replay ****");
2171 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
2174 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2178 smx_simcall_t req = NULL, saved_req = NULL;
2179 xbt_fifo_item_t item;
2184 XBT_DEBUG("**** Begin Replay ****");
2186 /* Restore the initial state */
2187 MC_restore_snapshot(initial_state_liveness->snapshot);
2189 /* At the moment of taking the snapshot the raw heap was set, so restoring
2190 * it will set it back again, we have to unset it to continue */
2191 if(!initial_state_liveness->raw_mem_set)
2196 item = xbt_fifo_get_last_item(stack);
2198 while(depth <= xbt_fifo_size(stack)){
2200 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2201 state = (mc_state_t) pair->graph_state;
2203 if(pair->requests > 0){
2205 saved_req = MC_state_get_executed_request(state, &value);
2206 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2208 if(saved_req != NULL){
2209 /* because we got a copy of the executed request, we have to fetch the
2210 real one, pointed by the request field of the issuer process */
2211 req = &saved_req->issuer->simcall;
2212 //XBT_DEBUG("Req->call %u", req->call);
2214 /* Debug information */
2215 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2216 req_str = MC_request_to_string(req, value);
2217 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2223 SIMIX_simcall_pre(req, value);
2224 MC_wait_for_requests();
2229 /* Update statistics */
2230 mc_stats->visited_pairs++;
2231 mc_stats->executed_transitions++;
2233 item = xbt_fifo_get_prev_item(item);
2238 /* Traverse the stack from the initial state and re-execute the transitions */
2239 for (item = xbt_fifo_get_last_item(stack);
2240 item != xbt_fifo_get_first_item(stack);
2241 item = xbt_fifo_get_prev_item(item)) {
2243 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2244 state = (mc_state_t) pair->graph_state;
2246 if(pair->requests > 0){
2248 saved_req = MC_state_get_executed_request(state, &value);
2249 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2251 if(saved_req != NULL){
2252 /* because we got a copy of the executed request, we have to fetch the
2253 real one, pointed by the request field of the issuer process */
2254 req = &saved_req->issuer->simcall;
2255 //XBT_DEBUG("Req->call %u", req->call);
2257 /* Debug information */
2258 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2259 req_str = MC_request_to_string(req, value);
2260 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2266 SIMIX_simcall_pre(req, value);
2267 MC_wait_for_requests();
2272 /* Update statistics */
2273 mc_stats->visited_pairs++;
2274 mc_stats->executed_transitions++;
2278 XBT_DEBUG("**** End Replay ****");
2280 if(initial_state_liveness->raw_mem_set)
2288 * \brief Dumps the contents of a model-checker's stack and shows the actual
2290 * \param stack The stack to dump
2292 void MC_dump_stack_safety(xbt_fifo_t stack)
2295 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2297 MC_show_stack_safety(stack);
2299 if(!_sg_mc_checkpoint){
2304 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
2305 MC_state_delete(state);
2318 void MC_show_stack_safety(xbt_fifo_t stack)
2321 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2327 xbt_fifo_item_t item;
2329 char *req_str = NULL;
2331 for (item = xbt_fifo_get_last_item(stack);
2332 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
2333 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2334 req = MC_state_get_executed_request(state, &value);
2336 req_str = MC_request_to_string(req, value);
2337 XBT_INFO("%s", req_str);
2346 void MC_show_deadlock(smx_simcall_t req)
2348 /*char *req_str = NULL;*/
2349 XBT_INFO("**************************");
2350 XBT_INFO("*** DEAD-LOCK DETECTED ***");
2351 XBT_INFO("**************************");
2352 XBT_INFO("Locked request:");
2353 /*req_str = MC_request_to_string(req);
2354 XBT_INFO("%s", req_str);
2355 xbt_free(req_str);*/
2356 XBT_INFO("Counter-example execution trace:");
2357 MC_dump_stack_safety(mc_stack_safety);
2358 MC_print_statistics(mc_stats);
2362 void MC_show_stack_liveness(xbt_fifo_t stack){
2365 xbt_fifo_item_t item;
2367 char *req_str = NULL;
2369 for (item = xbt_fifo_get_last_item(stack);
2370 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
2371 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2372 req = MC_state_get_executed_request(pair->graph_state, &value);
2374 if(pair->requests>0){
2375 req_str = MC_request_to_string(req, value);
2376 XBT_INFO("%s", req_str);
2379 XBT_INFO("End of system requests but evolution in Büchi automaton");
2385 void MC_dump_stack_liveness(xbt_fifo_t stack){
2387 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2392 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
2393 MC_pair_delete(pair);
2402 void MC_print_statistics(mc_stats_t stats)
2404 if(stats->expanded_pairs == 0){
2405 XBT_INFO("Expanded states = %lu", stats->expanded_states);
2406 XBT_INFO("Visited states = %lu", stats->visited_states);
2408 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
2409 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
2411 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
2413 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
2414 fprintf(dot_output, "}\n");
2420 void MC_assert(int prop)
2422 if (MC_is_active() && !prop){
2423 XBT_INFO("**************************");
2424 XBT_INFO("*** PROPERTY NOT VALID ***");
2425 XBT_INFO("**************************");
2426 XBT_INFO("Counter-example execution trace:");
2427 MC_dump_stack_safety(mc_stack_safety);
2428 MC_print_statistics(mc_stats);
2434 user_max_depth_reached = 1;
2437 void MC_process_clock_add(smx_process_t process, double amount)
2439 mc_time[process->pid] += amount;
2442 double MC_process_clock_get(smx_process_t process)
2446 return mc_time[process->pid];
2454 void MC_automaton_load(const char *file){
2456 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2460 if (_mc_property_automaton == NULL)
2461 _mc_property_automaton = xbt_automaton_new();
2463 xbt_automaton_load(_mc_property_automaton,file);
2472 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
2474 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2478 if (_mc_property_automaton == NULL)
2479 _mc_property_automaton = xbt_automaton_new();
2481 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);