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 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 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(void) {
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 if(MC_USE_LIBDW_TYPES)
538 MC_dwarf_get_variables_libdw(info);
539 mc_object_info_t result = info;
540 const char *elf_file = info->file_name;
542 xbt_dict_t location_list = MC_dwarf_get_location_list(elf_file);
544 char *command = bprintf("LANG=C objdump -Wi %s", elf_file);
546 FILE *fp = popen(command, "r");
549 perror("popen for objdump failed");
551 xbt_dict_t *local_variables = &result->local_variables;
552 xbt_dict_t *types = &result->types;
554 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL,
555 *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL,
556 *node_type = NULL, *location_type = NULL, *variable_name = NULL,
557 *loc_expr = NULL, *name = NULL, *end =NULL, *type_origin = NULL, *global_address = NULL,
558 *parent_value = NULL;
562 int global_variable = 0, parent = 0, new_frame = 0, new_variable = 1, size = 0,
563 is_pointer = 0, struct_decl = 0, member_end = 0,
564 enumeration_size = 0, subrange = 0, union_decl = 0, offset = 0, index = 0;
566 xbt_dynar_t split = NULL, split2 = NULL;
568 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(xbt_free);
569 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(xbt_free);
571 dw_frame_t variable_frame, subroutine_frame = NULL;
573 e_dw_type_type type_type = -1;
575 read = xbt_getline(&line, &n, fp);
579 /* Wipeout the new line character */
580 line[read - 1] = '\0';
582 if(n == 0 || strlen(line) == 0){
583 read = xbt_getline(&line, &n, fp);
587 xbt_str_ltrim(line, NULL);
588 xbt_str_strip_spaces(line);
591 read = xbt_getline(&line, &n, fp);
595 xbt_dynar_free(&split);
596 split = xbt_str_split(line, " ");
599 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
601 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
602 /* We build/complete a dw_frame_t object
603 * and append it if necessary to the local_variables dictionnary */
605 dw_frame_t frame = NULL;
607 strtok(xbt_dynar_get_as(split, 0, char *), "<");
608 subprogram_start = xbt_strdup(strtok(NULL, "<"));
609 xbt_str_rtrim(subprogram_start, ">:");
611 read = xbt_getline(&line, &n, fp);
615 /* Wipeout the new line character */
616 line[read - 1] = '\0';
618 if(n == 0 || strlen(line) == 0){
619 read = xbt_getline(&line, &n, fp);
623 xbt_dynar_free(&split);
624 xbt_str_rtrim(line, NULL);
625 xbt_str_strip_spaces(line);
626 split = xbt_str_split(line, " ");
628 node_type = xbt_dynar_get_as(split, 1, char *);
630 if(strncmp(node_type, "DW_AT_", 6) != 0)
633 if(strcmp(node_type, "DW_AT_sibling") == 0){
635 subprogram_end = xbt_strdup(xbt_dynar_get_as(split, 3, char*));
636 xbt_str_ltrim(subprogram_end, "<0x");
637 xbt_str_rtrim(subprogram_end, ">");
639 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
642 abstract_origin = xbt_strdup(xbt_dynar_get_as(split, 2, char*));
643 xbt_str_ltrim(abstract_origin, "<0x");
644 xbt_str_rtrim(abstract_origin, ">");
645 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
646 frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
647 xbt_free(abstract_origin);
649 }else if(strcmp(node_type, "DW_AT_name") == 0){
652 xbt_free(current_frame);
653 frame = xbt_new0(s_dw_frame_t, 1);
654 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
655 frame->variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
656 frame->frame_base = xbt_new0(s_dw_location_t, 1);
657 current_frame = strdup(frame->name);
659 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
661 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
663 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
665 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
667 frame->frame_base = MC_dwarf_get_location(location_list, xbt_dynar_get_as(split, 3, char *));
671 xbt_str_strip_spaces(line);
672 split2 = xbt_str_split(line, "(");
673 xbt_dynar_remove_at(split2, 0, NULL);
674 loc_expr = xbt_str_join(split2, " ");
675 xbt_str_rtrim(loc_expr, ")");
676 frame->frame_base = MC_dwarf_get_location(NULL, loc_expr);
677 xbt_dynar_free(&split2);
682 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
685 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
687 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
690 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
692 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
694 xbt_free(frame->name);
695 xbt_free(current_frame);
696 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
697 current_frame = strdup(frame->name);
698 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
702 read = xbt_getline(&line, &n, fp);
707 frame->start = strtoul(subprogram_start, NULL, 16);
708 if(subprogram_end != NULL)
709 frame->end = strtoul(subprogram_end, NULL, 16);
710 xbt_dict_set(*local_variables, frame->name, frame, NULL);
713 xbt_free(subprogram_start);
714 xbt_free(subprogram_end);
715 subprogram_end = NULL;
718 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
719 /* We build a dw_variable_t object and append it either to
720 the list of variables of the frame (local variable)
721 or to the list of global variables (global variables). */
723 if (MC_USE_LIBDW_NON_FUNCTION_VARIABLES && parent==1) {
724 read = xbt_getline(&line, &n, fp);
728 dw_variable_t var = NULL;
730 parent_value = strdup(xbt_dynar_get_as(split, 0, char *));
731 parent_value = strtok(parent_value,"<");
732 xbt_str_rtrim(parent_value, ">");
733 parent = atoi(parent_value);
734 xbt_free(parent_value);
739 strtok(xbt_dynar_get_as(split, 0, char *), "<");
740 origin = xbt_strdup(strtok(NULL, "<"));
741 xbt_str_rtrim(origin, ">:");
743 read = xbt_getline(&line, &n, fp);
747 /* Wipeout the new line character */
748 line[read - 1] = '\0';
750 if(n == 0 || strlen(line) == 0){
751 read = xbt_getline(&line, &n, fp);
755 xbt_dynar_free(&split);
756 xbt_str_rtrim(line, NULL);
757 xbt_str_strip_spaces(line);
758 split = xbt_str_split(line, " ");
760 node_type = xbt_dynar_get_as(split, 1, char *);
762 if(strncmp(node_type, "DW_AT_", 6) != 0)
765 if(strcmp(node_type, "DW_AT_name") == 0){
767 var = xbt_new0(s_dw_variable_t, 1);
768 var->dwarf_offset = 0;
769 var->name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
770 xbt_dict_set(variables_origin, origin, xbt_strdup(var->name), NULL);
772 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
776 abstract_origin = xbt_dynar_get_as(split, 2, char *);
777 xbt_str_ltrim(abstract_origin, "<0x");
778 xbt_str_rtrim(abstract_origin, ">");
780 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
781 variable_frame = MC_dwarf_get_frame_by_offset(*local_variables, strtoul(abstract_origin, NULL, 16));
782 var = MC_dwarf_get_variable_by_name(variable_frame, variable_name);
784 }else if(strcmp(node_type, "DW_AT_location") == 0){
788 if(!global_variable){
790 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
792 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
793 var->address.location = MC_dwarf_get_location(location_list, xbt_dynar_get_as(split, 3, char *));
795 xbt_str_strip_spaces(line);
796 split2 = xbt_str_split(line, "(");
797 xbt_dynar_remove_at(split2, 0, NULL);
798 loc_expr = xbt_str_join(split2, " ");
799 xbt_str_rtrim(loc_expr, ")");
800 if(strncmp("DW_OP_addr", loc_expr, 10) == 0){
802 xbt_dynar_free(&split2);
803 split2 = xbt_str_split(loc_expr, " ");
804 if(strcmp(elf_file, xbt_binary_name) != 0)
805 var->address.address = (char *) info->start_text + (long)((void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16));
807 // Why is it different ?
808 var->address.address = (void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16);
810 var->address.location = MC_dwarf_get_location(NULL, loc_expr);
812 xbt_dynar_free(&split2);
816 global_address = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
817 xbt_str_rtrim(global_address, ")");
818 if(strcmp(elf_file, xbt_binary_name) != 0)
819 var->address.address = (char *) info->start_text + (long)((void *)strtoul(global_address, NULL, 16));
821 // Why is it different ?
822 var->address.address = (void *)strtoul(global_address, NULL, 16);
823 xbt_free(global_address);
824 global_address = NULL;
829 }else if(strcmp(node_type, "DW_AT_type") == 0){
831 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
832 xbt_str_ltrim(type_origin, "<0x");
833 xbt_str_rtrim(type_origin, ">");
835 }else if(strcmp(node_type, "DW_AT_declaration") == 0){
839 dw_variable_free(var);
843 }else if(strcmp(node_type, "DW_AT_artificial") == 0){
847 dw_variable_free(var);
853 read = xbt_getline(&line, &n, fp);
857 if(new_variable == 1){
859 if(!global_variable){
860 variable_frame = xbt_dict_get_or_null(*local_variables, current_frame);
861 var->type_origin = strdup(type_origin);
863 index = MC_dwarf_get_variable_index(variable_frame->variables, var->name, NULL);
865 xbt_dynar_insert_at(variable_frame->variables, index, &var);
867 var->type_origin = strdup(type_origin);
869 MC_dwarf_register_global_variable(info, var);
872 xbt_free(type_origin);
879 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
880 /* Update the information on the frame (we should duplicate it instead). */
882 read = xbt_getline(&line, &n, fp);
886 /* Wipeout the new line character */
887 line[read - 1] = '\0';
889 if(n == 0 || strlen(line) == 0){
890 read = xbt_getline(&line, &n, fp);
894 xbt_dynar_free(&split);
895 xbt_str_rtrim(line, NULL);
896 xbt_str_strip_spaces(line);
897 split = xbt_str_split(line, " ");
899 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
902 node_type = xbt_dynar_get_as(split, 1, char *);
904 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
906 origin = xbt_dynar_get_as(split, 2, char *);
907 xbt_str_ltrim(origin, "<0x");
908 xbt_str_rtrim(origin, ">");
910 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
911 subroutine_frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
913 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
915 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
917 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
919 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
922 read = xbt_getline(&line, &n, fp);
926 }else if(!MC_USE_LIBDW_TYPES&&(strcmp(node_type, "(DW_TAG_base_type)") == 0
927 || strcmp(node_type, "(DW_TAG_enumeration_type)") == 0
928 || strcmp(node_type, "(DW_TAG_typedef)") == 0
929 || strcmp(node_type, "(DW_TAG_const_type)") == 0
930 || strcmp(node_type, "(DW_TAG_subroutine_type)") == 0
931 || strcmp(node_type, "(DW_TAG_volatile_type)") == 0
932 || (is_pointer = !strcmp(node_type, "(DW_TAG_pointer_type)")))){
934 /* Create the and add it to the types dictionnary */
936 if(strcmp(node_type, "(DW_TAG_base_type)") == 0)
937 type_type = DW_TAG_base_type;
938 else if(strcmp(node_type, "(DW_TAG_enumeration_type)") == 0)
939 type_type = DW_TAG_enumeration_type;
940 else if(strcmp(node_type, "(DW_TAG_typedef)") == 0)
941 type_type = DW_TAG_typedef;
942 else if(strcmp(node_type, "(DW_TAG_const_type)") == 0)
943 type_type = DW_TAG_const_type;
944 else if(strcmp(node_type, "(DW_TAG_pointer_type)") == 0)
945 type_type = DW_TAG_pointer_type;
946 else if(strcmp(node_type, "(DW_TAG_subroutine_type)") == 0)
947 type_type = DW_TAG_subroutine_type;
948 else if(strcmp(node_type, "(DW_TAG_volatile_type)") == 0)
949 type_type = DW_TAG_volatile_type;
951 strtok(xbt_dynar_get_as(split, 0, char *), "<");
952 origin = strdup(strtok(NULL, "<"));
953 xbt_str_rtrim(origin, ">:");
955 read = xbt_getline(&line, &n, fp);
959 /* Wipeout the new line character */
960 line[read - 1] = '\0';
962 if(n == 0 || strlen(line) == 0){
963 read = xbt_getline(&line, &n, fp);
967 xbt_dynar_free(&split);
968 xbt_str_rtrim(line, NULL);
969 xbt_str_strip_spaces(line);
970 split = xbt_str_split(line, " ");
972 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
975 node_type = xbt_dynar_get_as(split, 1, char *);
977 if(strcmp(node_type, "DW_AT_byte_size") == 0){
978 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
979 if(type_type == DW_TAG_enumeration_type)
980 enumeration_size = size;
981 }else if(strcmp(node_type, "DW_AT_name") == 0){
982 end = xbt_str_join(split, " ");
983 xbt_dynar_free(&split);
984 split = xbt_str_split(end, "):");
985 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
986 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
987 }else if(strcmp(node_type, "DW_AT_type") == 0){
988 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
989 xbt_str_ltrim(type_origin, "<0x");
990 xbt_str_rtrim(type_origin, ">");
993 read = xbt_getline(&line, &n, fp);
996 dw_type_t type = xbt_new0(s_dw_type_t, 1);
997 type->type = type_type;
999 type->name = xbt_strdup(name);
1001 type->name = xbt_strdup("undefined");
1002 type->is_pointer_type = is_pointer;
1003 type->id = (void *)strtoul(origin, NULL, 16);
1005 type->dw_type_id = xbt_strdup(type_origin);
1007 type->byte_size = size;
1009 type->element_count = -1;
1011 type->members = NULL;
1013 xbt_dict_set(*types, origin, type, NULL);
1017 xbt_free(type_origin);
1026 }else if(strcmp(node_type, "(DW_TAG_structure_type)") == 0 || strcmp(node_type, "(DW_TAG_union_type)") == 0){
1028 if(strcmp(node_type, "(DW_TAG_structure_type)") == 0)
1033 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1034 origin = strdup(strtok(NULL, "<"));
1035 xbt_str_rtrim(origin, ">:");
1037 read = xbt_getline(&line, &n, fp);
1039 dw_type_t type = NULL;
1045 /* Wipeout the new line character */
1046 line[read - 1] = '\0';
1048 if(n == 0 || strlen(line) == 0){
1049 read = xbt_getline(&line, &n, fp);
1053 xbt_dynar_free(&split);
1054 xbt_str_rtrim(line, NULL);
1055 xbt_str_strip_spaces(line);
1056 split = xbt_str_split(line, " ");
1058 node_type = xbt_dynar_get_as(split, 1, char *);
1060 if(strncmp(node_type, "DW_AT_", 6) != 0){
1065 if(strcmp(node_type, "DW_AT_byte_size") == 0){
1066 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1067 }else if(strcmp(node_type, "DW_AT_name") == 0){
1069 end = xbt_str_join(split, " ");
1070 xbt_dynar_free(&split);
1071 split = xbt_str_split(end, "):");
1072 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1073 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1074 }else if(strcmp(node_type, "DW_AT_type") == 0){
1075 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1076 xbt_str_ltrim(type_origin, "<0x");
1077 xbt_str_rtrim(type_origin, ">");
1078 }else if(strcmp(node_type, "DW_AT_data_member_location:") == 0){
1080 end = xbt_str_join(split, " ");
1081 xbt_dynar_free(&split);
1082 split = xbt_str_split(end, "DW_OP_plus_uconst:");
1083 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), NULL);
1084 xbt_str_rtrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), ")");
1085 offset = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1088 read = xbt_getline(&line, &n, fp);
1092 if(member_end && type){
1095 // Why are we not simply referencing, the DW_AT_type?
1096 dw_type_t member_type = xbt_new0(s_dw_type_t, 1);
1097 member_type->name = xbt_strdup(name);
1098 member_type->byte_size = size;
1099 member_type->element_count = -1;
1100 member_type->is_pointer_type = is_pointer;
1101 member_type->id = (void *)strtoul(origin, NULL, 16);
1102 member_type->offset = offset;
1104 member_type->dw_type_id = xbt_strdup(type_origin);
1106 xbt_dynar_push(type->members, &member_type);
1112 xbt_free(type_origin);
1119 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1120 origin = strdup(strtok(NULL, "<"));
1121 xbt_str_rtrim(origin, ">:");
1125 if(struct_decl || union_decl){
1126 type = xbt_new0(s_dw_type_t, 1);
1128 type->type = DW_TAG_structure_type;
1130 type->type = DW_TAG_union_type;
1131 type->name = xbt_strdup(name);
1132 type->byte_size = size;
1133 type->element_count = -1;
1134 type->is_pointer_type = is_pointer;
1135 type->id = (void *)strtoul(origin, NULL, 16);
1137 type->dw_type_id = xbt_strdup(type_origin);
1138 type->members = xbt_dynar_new(sizeof(dw_type_t), dw_type_free_voidp);
1140 xbt_dict_set(*types, origin, type, NULL);
1146 xbt_free(type_origin);
1154 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_member)") != 0)
1157 read = xbt_getline(&line, &n, fp);
1164 }else if(strcmp(node_type, "(DW_TAG_array_type)") == 0){
1166 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1167 origin = strdup(strtok(NULL, "<"));
1168 xbt_str_rtrim(origin, ">:");
1170 read = xbt_getline(&line, &n, fp);
1172 dw_type_t type = NULL;
1174 // Read DW_TAG_subrange_type children:
1177 // Read attributes of the DW_TAG_subrange_type:
1180 /* Wipeout the new line character */
1181 line[read - 1] = '\0';
1183 if(n == 0 || strlen(line) == 0){
1184 read = xbt_getline(&line, &n, fp);
1188 xbt_dynar_free(&split);
1189 xbt_str_rtrim(line, NULL);
1190 xbt_str_strip_spaces(line);
1191 split = xbt_str_split(line, " ");
1193 node_type = xbt_dynar_get_as(split, 1, char *);
1195 if(strncmp(node_type, "DW_AT_", 6) != 0)
1198 if(strcmp(node_type, "DW_AT_upper_bound") == 0){
1199 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1200 }else if(strcmp(node_type, "DW_AT_name") == 0){
1201 end = xbt_str_join(split, " ");
1202 xbt_dynar_free(&split);
1203 split = xbt_str_split(end, "):");
1204 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1205 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1206 }else if(strcmp(node_type, "DW_AT_type") == 0){
1207 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1208 xbt_str_ltrim(type_origin, "<0x");
1209 xbt_str_rtrim(type_origin, ">");
1212 read = xbt_getline(&line, &n, fp);
1216 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") == 0){
1220 if(subrange && type){
1221 type->element_count = size;
1227 xbt_free(type_origin);
1233 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1234 origin = strdup(strtok(NULL, "<"));
1235 xbt_str_rtrim(origin, ">:");
1239 type = xbt_new0(s_dw_type_t, 1);
1240 type->type = DW_TAG_array_type;
1241 type->name = xbt_strdup(name);
1242 type->is_pointer_type = is_pointer;
1243 type->id = (void *)strtoul(origin, NULL, 16);
1245 type->dw_type_id = xbt_strdup(type_origin);
1246 type->members = NULL;
1248 // Filled in a post processing step:
1249 type-> byte_size = 0;
1251 xbt_dict_set(*types, origin, type, NULL);
1257 xbt_free(type_origin);
1262 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") != 0)
1265 read = xbt_getline(&line, &n, fp);
1274 read = xbt_getline(&line, &n, fp);
1280 xbt_dynar_free(&split);
1281 xbt_dict_free(&variables_origin);
1282 xbt_dict_free(&subprograms_origin);
1285 xbt_dict_free(&location_list);
1289 MC_post_process_types(info);
1292 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
1293 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address.address);
1295 xbt_dynar_insert_at(info->global_variables, index, &variable);
1299 static void MC_post_process_array_size(mc_object_info_t info, dw_type_t type) {
1300 xbt_assert(type->dw_type_id, "No base type for array <%p>%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 <%s> for array <%p>%s", type->dw_type_id, type->id, type->name);
1303 if(subtype->type==DW_TAG_array_type && type->byte_size==0) {
1304 MC_post_process_array_size(info, subtype);
1306 type->byte_size = type->element_count*subtype->byte_size;
1309 static void MC_post_process_types(mc_object_info_t info) {
1310 xbt_dict_cursor_t cursor;
1313 xbt_dict_foreach(info->types, cursor, origin, type){
1314 if(type->type==DW_TAG_array_type && type->byte_size==0)
1315 MC_post_process_array_size(info, type);
1319 /******************************* Ignore mechanism *******************************/
1320 /*********************************************************************************/
1322 xbt_dynar_t mc_checkpoint_ignore;
1324 typedef struct s_mc_stack_ignore_variable{
1327 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
1329 typedef struct s_mc_data_bss_ignore_variable{
1331 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
1333 /**************************** Free functions ******************************/
1335 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
1336 xbt_free(v->var_name);
1341 static void stack_ignore_variable_free_voidp(void *v){
1342 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
1345 void heap_ignore_region_free(mc_heap_ignore_region_t r){
1349 void heap_ignore_region_free_voidp(void *r){
1350 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
1353 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
1358 static void data_bss_ignore_variable_free_voidp(void *v){
1359 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
1362 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
1366 static void checkpoint_ignore_region_free_voidp(void *r){
1367 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
1370 /***********************************************************************/
1372 void MC_ignore_heap(void *address, size_t size){
1374 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1378 mc_heap_ignore_region_t region = NULL;
1379 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
1380 region->address = address;
1381 region->size = size;
1383 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1385 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
1386 region->fragment = -1;
1387 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
1389 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
1390 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
1393 if(mc_heap_comparison_ignore == NULL){
1394 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
1395 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
1401 unsigned int cursor = 0;
1402 mc_heap_ignore_region_t current_region = NULL;
1404 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1406 while(start <= end){
1407 cursor = (start + end) / 2;
1408 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1409 if(current_region->address == address){
1410 heap_ignore_region_free(region);
1414 }else if(current_region->address < address){
1421 if(current_region->address < address)
1422 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
1424 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
1430 void MC_remove_ignore_heap(void *address, size_t size){
1432 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1436 unsigned int cursor = 0;
1438 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1439 mc_heap_ignore_region_t region;
1440 int ignore_found = 0;
1442 while(start <= end){
1443 cursor = (start + end) / 2;
1444 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1445 if(region->address == address){
1448 }else if(region->address < address){
1451 if((char * )region->address <= ((char *)address + size)){
1460 if(ignore_found == 1){
1461 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
1462 MC_remove_ignore_heap(address, size);
1470 void MC_ignore_global_variable(const char *name){
1472 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1476 if(mc_libsimgrid_info){
1478 unsigned int cursor = 0;
1479 dw_variable_t current_var;
1481 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
1483 while(start <= end){
1484 cursor = (start + end) /2;
1485 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
1486 if(strcmp(current_var->name, name) == 0){
1487 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
1489 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
1490 }else if(strcmp(current_var->name, name) < 0){
1499 if(mc_data_bss_comparison_ignore == NULL)
1500 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
1502 mc_data_bss_ignore_variable_t var = NULL;
1503 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
1504 var->name = strdup(name);
1506 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
1508 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
1512 unsigned int cursor = 0;
1514 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
1515 mc_data_bss_ignore_variable_t current_var = NULL;
1517 while(start <= end){
1518 cursor = (start + end) / 2;
1519 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
1520 if(strcmp(current_var->name, name) == 0){
1521 data_bss_ignore_variable_free(var);
1525 }else if(strcmp(current_var->name, name) < 0){
1532 if(strcmp(current_var->name, name) < 0)
1533 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
1535 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
1544 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
1546 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1550 if(mc_libsimgrid_info){
1551 unsigned int cursor = 0;
1552 dw_variable_t current_var;
1554 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
1555 xbt_dict_cursor_t dict_cursor;
1556 char *current_frame_name;
1558 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
1560 end = xbt_dynar_length(frame->variables) - 1;
1561 while(start <= end){
1562 cursor = (start + end) / 2;
1563 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1564 if(strcmp(current_var->name, var_name) == 0){
1565 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1567 end = xbt_dynar_length(frame->variables) - 1;
1568 }else if(strcmp(current_var->name, var_name) < 0){
1575 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
1577 end = xbt_dynar_length(frame->variables) - 1;
1578 while(start <= end){
1579 cursor = (start + end) / 2;
1580 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1581 if(strcmp(current_var->name, var_name) == 0){
1582 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1584 end = xbt_dynar_length(frame->variables) - 1;
1585 }else if(strcmp(current_var->name, var_name) < 0){
1593 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
1594 mc_libsimgrid_info->local_variables, frame_name))->variables;
1596 end = xbt_dynar_length(variables_list) - 1;
1597 while(start <= end){
1598 cursor = (start + end) / 2;
1599 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
1600 if(strcmp(current_var->name, var_name) == 0){
1601 xbt_dynar_remove_at(variables_list, cursor, NULL);
1603 end = xbt_dynar_length(variables_list) - 1;
1604 }else if(strcmp(current_var->name, var_name) < 0){
1613 if(mc_stack_comparison_ignore == NULL)
1614 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
1616 mc_stack_ignore_variable_t var = NULL;
1617 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
1618 var->var_name = strdup(var_name);
1619 var->frame = strdup(frame_name);
1621 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
1623 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
1627 unsigned int cursor = 0;
1629 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
1630 mc_stack_ignore_variable_t current_var = NULL;
1632 while(start <= end){
1633 cursor = (start + end) / 2;
1634 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
1635 if(strcmp(current_var->frame, frame_name) == 0){
1636 if(strcmp(current_var->var_name, var_name) == 0){
1637 stack_ignore_variable_free(var);
1641 }else if(strcmp(current_var->var_name, var_name) < 0){
1646 }else if(strcmp(current_var->frame, frame_name) < 0){
1653 if(strcmp(current_var->frame, frame_name) == 0){
1654 if(strcmp(current_var->var_name, var_name) < 0){
1655 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1657 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1659 }else if(strcmp(current_var->frame, frame_name) < 0){
1660 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1662 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1672 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
1674 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1678 if(stacks_areas == NULL)
1679 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
1681 stack_region_t region = NULL;
1682 region = xbt_new0(s_stack_region_t, 1);
1683 region->address = stack;
1684 region->process_name = strdup(name);
1685 region->context = context;
1686 region->size = size;
1687 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1688 xbt_dynar_push(stacks_areas, ®ion);
1694 void MC_ignore(void *addr, size_t size){
1696 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
1700 if(mc_checkpoint_ignore == NULL)
1701 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
1703 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
1704 region->addr = addr;
1705 region->size = size;
1707 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
1708 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
1711 unsigned int cursor = 0;
1713 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
1714 mc_checkpoint_ignore_region_t current_region = NULL;
1716 while(start <= end){
1717 cursor = (start + end) / 2;
1718 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
1719 if(current_region->addr == addr){
1720 if(current_region->size == size){
1721 checkpoint_ignore_region_free(region);
1725 }else if(current_region->size < size){
1730 }else if(current_region->addr < addr){
1737 if(current_region->addr == addr){
1738 if(current_region->size < size){
1739 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1741 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1743 }else if(current_region->addr < addr){
1744 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1746 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1754 /******************************* Initialisation of MC *******************************/
1755 /*********************************************************************************/
1757 static void MC_dump_ignored_local_variables(void){
1759 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
1762 unsigned int cursor = 0;
1763 mc_stack_ignore_variable_t current_var;
1765 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
1766 MC_ignore_local_variable(current_var->var_name, current_var->frame);
1769 xbt_dynar_free(&mc_stack_comparison_ignore);
1770 mc_stack_comparison_ignore = NULL;
1774 static void MC_dump_ignored_global_variables(void){
1776 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
1779 unsigned int cursor = 0;
1780 mc_data_bss_ignore_variable_t current_var;
1782 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
1783 MC_ignore_global_variable(current_var->name);
1786 xbt_dynar_free(&mc_data_bss_comparison_ignore);
1787 mc_data_bss_comparison_ignore = NULL;
1791 static void MC_init_debug_info();
1792 static void MC_init_debug_info() {
1793 XBT_INFO("Get debug information ...");
1795 memory_map_t maps = MC_get_memory_map();
1797 /* Get local variables for state equality detection */
1798 mc_binary_info = MC_find_object_info(maps, xbt_binary_name);
1799 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path);
1801 MC_free_memory_map(maps);
1802 XBT_INFO("Get debug information done !");
1807 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1811 /* Initialize the data structures that must be persistent across every
1812 iteration of the model-checker (in RAW memory) */
1816 MC_init_memory_map_info();
1817 MC_init_debug_info();
1819 /* Remove variables ignored before getting list of variables */
1820 MC_dump_ignored_local_variables();
1821 MC_dump_ignored_global_variables();
1824 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
1828 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
1829 MC_ignore_local_variable("e", "*");
1830 MC_ignore_local_variable("__ex_cleanup", "*");
1831 MC_ignore_local_variable("__ex_mctx_en", "*");
1832 MC_ignore_local_variable("__ex_mctx_me", "*");
1833 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
1834 MC_ignore_local_variable("_log_ev", "*");
1835 MC_ignore_local_variable("_throw_ctx", "*");
1836 MC_ignore_local_variable("ctx", "*");
1838 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
1839 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
1841 /* Ignore local variable about time used for tracing */
1842 MC_ignore_local_variable("start_time", "*");
1844 MC_ignore_global_variable("mc_comp_times");
1845 MC_ignore_global_variable("mc_snapshot_comparison_time");
1846 MC_ignore_global_variable("mc_time");
1847 MC_ignore_global_variable("smpi_current_rank");
1848 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
1849 MC_ignore_global_variable("maestro_stack_start");
1850 MC_ignore_global_variable("maestro_stack_end");
1852 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
1853 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
1854 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
1855 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
1857 smx_process_t process;
1858 xbt_swag_foreach(process, simix_global->process_list){
1859 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
1867 static void MC_init_dot_output(){ /* FIXME : more colors */
1871 colors[2] = "green3";
1872 colors[3] = "goldenrod";
1873 colors[4] = "brown";
1874 colors[5] = "purple";
1875 colors[6] = "magenta";
1876 colors[7] = "turquoise4";
1877 colors[8] = "gray25";
1878 colors[9] = "forestgreen";
1879 colors[10] = "hotpink";
1880 colors[11] = "lightblue";
1883 dot_output = fopen(_sg_mc_dot_output_file, "w");
1885 if(dot_output == NULL){
1886 perror("Error open dot output file");
1890 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");
1894 /******************************* Core of MC *******************************/
1895 /**************************************************************************/
1897 void MC_do_the_modelcheck_for_real() {
1900 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1903 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1904 if (mc_reduce_kind==e_mc_reduce_unset)
1905 mc_reduce_kind=e_mc_reduce_dpor;
1907 XBT_INFO("Check a safety property");
1908 MC_modelcheck_safety();
1912 if (mc_reduce_kind==e_mc_reduce_unset)
1913 mc_reduce_kind=e_mc_reduce_none;
1915 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1916 MC_automaton_load(_sg_mc_property_file);
1917 MC_modelcheck_liveness();
1921 void MC_modelcheck_safety(void)
1923 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1925 /* Check if MC is already initialized */
1926 if (initial_state_safety)
1929 mc_time = xbt_new0(double, simix_process_maxpid);
1931 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1932 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1934 /* Initialize the data structures that must be persistent across every
1935 iteration of the model-checker (in RAW memory) */
1939 /* Initialize statistics */
1940 mc_stats = xbt_new0(s_mc_stats_t, 1);
1941 mc_stats->state_size = 1;
1943 /* Create exploration stack */
1944 mc_stack_safety = xbt_fifo_new();
1946 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1947 MC_init_dot_output();
1951 if(_sg_mc_visited > 0){
1955 MC_init_memory_map_info();
1956 MC_init_debug_info();
1963 /* Save the initial state */
1964 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1965 initial_state_safety->snapshot = MC_take_snapshot(0);
1977 void MC_modelcheck_liveness(){
1979 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1983 mc_time = xbt_new0(double, simix_process_maxpid);
1985 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1986 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1990 /* Initialize statistics */
1991 mc_stats = xbt_new0(s_mc_stats_t, 1);
1992 mc_stats->state_size = 1;
1994 /* Create exploration stack */
1995 mc_stack_liveness = xbt_fifo_new();
1997 /* Create the initial state */
1998 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
2000 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
2001 MC_init_dot_output();
2008 MC_print_statistics(mc_stats);
2024 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
2026 return simcall->mc_value;
2030 int MC_random(int min, int max)
2032 /*FIXME: return mc_current_state->executed_transition->random.value;*/
2033 return simcall_mc_random(min, max);
2037 * \brief Schedules all the process that are ready to run
2039 void MC_wait_for_requests(void)
2041 smx_process_t process;
2045 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
2046 SIMIX_process_runall();
2047 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
2048 req = &process->simcall;
2049 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
2050 SIMIX_simcall_pre(req, 0);
2055 int MC_deadlock_check()
2057 int deadlock = FALSE;
2058 smx_process_t process;
2059 if(xbt_swag_size(simix_global->process_list)){
2061 xbt_swag_foreach(process, simix_global->process_list){
2062 if(process->simcall.call != SIMCALL_NONE
2063 && MC_request_is_enabled(&process->simcall)){
2073 * \brief Re-executes from the state at position start all the transitions indicated by
2074 * a given model-checker stack.
2075 * \param stack The stack with the transitions to execute.
2076 * \param start Start index to begin the re-execution.
2078 void MC_replay(xbt_fifo_t stack, int start)
2080 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
2082 int value, i = 1, count = 1;
2084 smx_simcall_t req = NULL, saved_req = NULL;
2085 xbt_fifo_item_t item, start_item;
2087 smx_process_t process = NULL;
2089 XBT_DEBUG("**** Begin Replay ****");
2092 /* Restore the initial state */
2093 MC_restore_snapshot(initial_state_safety->snapshot);
2094 /* At the moment of taking the snapshot the raw heap was set, so restoring
2095 * it will set it back again, we have to unset it to continue */
2099 start_item = xbt_fifo_get_last_item(stack);
2102 start_item = xbt_fifo_get_prev_item(start_item);
2108 xbt_dict_reset(first_enabled_state);
2109 xbt_swag_foreach(process, simix_global->process_list){
2110 if(MC_process_is_enabled(process)){
2111 char *key = bprintf("%lu", process->pid);
2112 char *data = bprintf("%d", count);
2113 xbt_dict_set(first_enabled_state, key, data, NULL);
2120 /* Traverse the stack from the state at position start and re-execute the transitions */
2121 for (item = start_item;
2122 item != xbt_fifo_get_first_item(stack);
2123 item = xbt_fifo_get_prev_item(item)) {
2125 state = (mc_state_t) xbt_fifo_get_item_content(item);
2126 saved_req = MC_state_get_executed_request(state, &value);
2129 char *key = bprintf("%lu", saved_req->issuer->pid);
2130 xbt_dict_remove(first_enabled_state, key);
2135 /* because we got a copy of the executed request, we have to fetch the
2136 real one, pointed by the request field of the issuer process */
2137 req = &saved_req->issuer->simcall;
2139 /* Debug information */
2140 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2141 req_str = MC_request_to_string(req, value);
2142 XBT_DEBUG("Replay: %s (%p)", req_str, state);
2147 SIMIX_simcall_pre(req, value);
2148 MC_wait_for_requests();
2153 /* Insert in dict all enabled processes */
2154 xbt_swag_foreach(process, simix_global->process_list){
2155 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
2156 char *key = bprintf("%lu", process->pid);
2157 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
2158 char *data = bprintf("%d", count);
2159 xbt_dict_set(first_enabled_state, key, data, NULL);
2166 /* Update statistics */
2167 mc_stats->visited_states++;
2168 mc_stats->executed_transitions++;
2172 XBT_DEBUG("**** End Replay ****");
2182 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
2185 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2189 smx_simcall_t req = NULL, saved_req = NULL;
2190 xbt_fifo_item_t item;
2195 XBT_DEBUG("**** Begin Replay ****");
2197 /* Restore the initial state */
2198 MC_restore_snapshot(initial_state_liveness->snapshot);
2200 /* At the moment of taking the snapshot the raw heap was set, so restoring
2201 * it will set it back again, we have to unset it to continue */
2202 if(!initial_state_liveness->raw_mem_set)
2207 item = xbt_fifo_get_last_item(stack);
2209 while(depth <= xbt_fifo_size(stack)){
2211 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2212 state = (mc_state_t) pair->graph_state;
2214 if(pair->requests > 0){
2216 saved_req = MC_state_get_executed_request(state, &value);
2217 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2219 if(saved_req != NULL){
2220 /* because we got a copy of the executed request, we have to fetch the
2221 real one, pointed by the request field of the issuer process */
2222 req = &saved_req->issuer->simcall;
2223 //XBT_DEBUG("Req->call %u", req->call);
2225 /* Debug information */
2226 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2227 req_str = MC_request_to_string(req, value);
2228 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2234 SIMIX_simcall_pre(req, value);
2235 MC_wait_for_requests();
2240 /* Update statistics */
2241 mc_stats->visited_pairs++;
2242 mc_stats->executed_transitions++;
2244 item = xbt_fifo_get_prev_item(item);
2249 /* Traverse the stack from the initial state and re-execute the transitions */
2250 for (item = xbt_fifo_get_last_item(stack);
2251 item != xbt_fifo_get_first_item(stack);
2252 item = xbt_fifo_get_prev_item(item)) {
2254 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2255 state = (mc_state_t) pair->graph_state;
2257 if(pair->requests > 0){
2259 saved_req = MC_state_get_executed_request(state, &value);
2260 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2262 if(saved_req != NULL){
2263 /* because we got a copy of the executed request, we have to fetch the
2264 real one, pointed by the request field of the issuer process */
2265 req = &saved_req->issuer->simcall;
2266 //XBT_DEBUG("Req->call %u", req->call);
2268 /* Debug information */
2269 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2270 req_str = MC_request_to_string(req, value);
2271 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2277 SIMIX_simcall_pre(req, value);
2278 MC_wait_for_requests();
2283 /* Update statistics */
2284 mc_stats->visited_pairs++;
2285 mc_stats->executed_transitions++;
2289 XBT_DEBUG("**** End Replay ****");
2291 if(initial_state_liveness->raw_mem_set)
2299 * \brief Dumps the contents of a model-checker's stack and shows the actual
2301 * \param stack The stack to dump
2303 void MC_dump_stack_safety(xbt_fifo_t stack)
2306 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2308 MC_show_stack_safety(stack);
2310 if(!_sg_mc_checkpoint){
2315 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
2316 MC_state_delete(state);
2329 void MC_show_stack_safety(xbt_fifo_t stack)
2332 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2338 xbt_fifo_item_t item;
2340 char *req_str = NULL;
2342 for (item = xbt_fifo_get_last_item(stack);
2343 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
2344 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2345 req = MC_state_get_executed_request(state, &value);
2347 req_str = MC_request_to_string(req, value);
2348 XBT_INFO("%s", req_str);
2357 void MC_show_deadlock(smx_simcall_t req)
2359 /*char *req_str = NULL;*/
2360 XBT_INFO("**************************");
2361 XBT_INFO("*** DEAD-LOCK DETECTED ***");
2362 XBT_INFO("**************************");
2363 XBT_INFO("Locked request:");
2364 /*req_str = MC_request_to_string(req);
2365 XBT_INFO("%s", req_str);
2366 xbt_free(req_str);*/
2367 XBT_INFO("Counter-example execution trace:");
2368 MC_dump_stack_safety(mc_stack_safety);
2369 MC_print_statistics(mc_stats);
2373 void MC_show_stack_liveness(xbt_fifo_t stack){
2376 xbt_fifo_item_t item;
2378 char *req_str = NULL;
2380 for (item = xbt_fifo_get_last_item(stack);
2381 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
2382 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2383 req = MC_state_get_executed_request(pair->graph_state, &value);
2385 if(pair->requests>0){
2386 req_str = MC_request_to_string(req, value);
2387 XBT_INFO("%s", req_str);
2390 XBT_INFO("End of system requests but evolution in Büchi automaton");
2396 void MC_dump_stack_liveness(xbt_fifo_t stack){
2398 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2403 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
2404 MC_pair_delete(pair);
2413 void MC_print_statistics(mc_stats_t stats)
2415 if(stats->expanded_pairs == 0){
2416 XBT_INFO("Expanded states = %lu", stats->expanded_states);
2417 XBT_INFO("Visited states = %lu", stats->visited_states);
2419 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
2420 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
2422 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
2424 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
2425 fprintf(dot_output, "}\n");
2431 void MC_assert(int prop)
2433 if (MC_is_active() && !prop){
2434 XBT_INFO("**************************");
2435 XBT_INFO("*** PROPERTY NOT VALID ***");
2436 XBT_INFO("**************************");
2437 XBT_INFO("Counter-example execution trace:");
2438 MC_dump_stack_safety(mc_stack_safety);
2439 MC_print_statistics(mc_stats);
2445 user_max_depth_reached = 1;
2448 void MC_process_clock_add(smx_process_t process, double amount)
2450 mc_time[process->pid] += amount;
2453 double MC_process_clock_get(smx_process_t process)
2457 return mc_time[process->pid];
2465 void MC_automaton_load(const char *file){
2467 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2471 if (_mc_property_automaton == NULL)
2472 _mc_property_automaton = xbt_automaton_new();
2474 xbt_automaton_load(_mc_property_automaton,file);
2483 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
2485 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2489 if (_mc_property_automaton == NULL)
2490 _mc_property_automaton = xbt_automaton_new();
2492 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);