1 /* Copyright (c) 2008-2012 Da SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "../surf/surf_private.h"
12 #include "../simix/smx_private.h"
13 #include "../xbt/mmalloc/mmprivate.h"
15 #include "mc_private.h"
16 #include "xbt/automaton.h"
19 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
20 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
21 "Logging specific to MC (global)");
23 /* Configuration support */
24 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
27 extern int _surf_init_status;
28 void _mc_cfg_cb_reduce(const char *name, int pos) {
29 if (_surf_init_status && !_surf_do_model_check) {
30 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.");
32 char *val= xbt_cfg_get_string(_surf_cfg_set, name);
33 if (!strcasecmp(val,"none")) {
34 mc_reduce_kind = e_mc_reduce_none;
35 } else if (!strcasecmp(val,"dpor")) {
36 mc_reduce_kind = e_mc_reduce_dpor;
38 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
42 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
43 if (_surf_init_status && !_surf_do_model_check) {
44 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.");
46 _surf_mc_checkpoint = xbt_cfg_get_int(_surf_cfg_set, name);
48 void _mc_cfg_cb_property(const char *name, int pos) {
49 if (_surf_init_status && !_surf_do_model_check) {
50 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.");
52 _surf_mc_property_file= xbt_cfg_get_string(_surf_cfg_set, name);
55 void _mc_cfg_cb_timeout(const char *name, int pos) {
56 if (_surf_init_status && !_surf_do_model_check) {
57 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.");
59 _surf_mc_timeout= xbt_cfg_get_int(_surf_cfg_set, name);
62 void _mc_cfg_cb_max_depth(const char *name, int pos) {
63 if (_surf_init_status && !_surf_do_model_check) {
64 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.");
66 _surf_mc_max_depth= xbt_cfg_get_int(_surf_cfg_set, name);
69 void _mc_cfg_cb_visited(const char *name, int pos) {
70 if (_surf_init_status && !_surf_do_model_check) {
71 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.");
73 _surf_mc_visited= xbt_cfg_get_int(_surf_cfg_set, name);
77 /* MC global data structures */
79 mc_state_t mc_current_state = NULL;
80 char mc_replay_mode = FALSE;
81 double *mc_time = NULL;
85 xbt_fifo_t mc_stack_safety = NULL;
86 mc_stats_t mc_stats = NULL;
87 mc_global_t initial_state_safety = NULL;
91 mc_stats_pair_t mc_stats_pair = NULL;
92 xbt_fifo_t mc_stack_liveness = NULL;
93 mc_global_t initial_state_liveness = NULL;
97 xbt_dict_t mc_local_variables = NULL;
99 /* Ignore mechanism */
100 xbt_dynar_t mc_stack_comparison_ignore;
101 xbt_dynar_t mc_data_bss_comparison_ignore;
102 extern xbt_dynar_t mc_heap_comparison_ignore;
103 extern xbt_dynar_t stacks_areas;
105 xbt_automaton_t _mc_property_automaton = NULL;
107 /* Static functions */
109 static void MC_assert_pair(int prop);
110 static dw_location_t get_location(xbt_dict_t location_list, char *expr);
111 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset);
112 static void ignore_coverage_variables(char *executable, int region_type);
114 void MC_do_the_modelcheck_for_real() {
115 if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
116 if (mc_reduce_kind==e_mc_reduce_unset)
117 mc_reduce_kind=e_mc_reduce_dpor;
119 XBT_INFO("Check a safety property");
120 MC_modelcheck_safety();
124 if (mc_reduce_kind==e_mc_reduce_unset)
125 mc_reduce_kind=e_mc_reduce_none;
127 XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
128 MC_automaton_load(_surf_mc_property_file);
129 MC_modelcheck_liveness();
134 void MC_compare(void){
140 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
142 mc_time = xbt_new0(double, simix_process_maxpid);
144 /* mc_time refers to clock for each process -> ignore it for heap comparison */
146 for(i = 0; i<simix_process_maxpid; i++)
147 MC_ignore_heap(&(mc_time[i]), sizeof(double));
151 /* Initialize the data structures that must be persistent across every
152 iteration of the model-checker (in RAW memory) */
156 char *ls_path = get_libsimgrid_path();
158 mc_local_variables = xbt_dict_new_homogeneous(NULL);
160 /* Get local variables in binary for state equality detection */
161 xbt_dict_t binary_location_list = MC_get_location_list(xbt_binary_name);
162 MC_get_local_variables(xbt_binary_name, binary_location_list, &mc_local_variables);
164 /* Get local variables in libsimgrid for state equality detection */
165 xbt_dict_t libsimgrid_location_list = MC_get_location_list(ls_path);
166 MC_get_local_variables(ls_path, libsimgrid_location_list, &mc_local_variables);
168 MC_init_memory_map_info();
170 /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
171 get_libsimgrid_plt_section();
172 get_binary_plt_section();
174 ignore_coverage_variables(libsimgrid_path, 1);
175 ignore_coverage_variables(xbt_binary_name, 2);
179 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
180 MC_ignore_stack("e", "*");
181 MC_ignore_stack("__ex_cleanup", "*");
182 MC_ignore_stack("__ex_mctx_en", "*");
183 MC_ignore_stack("__ex_mctx_me", "*");
184 MC_ignore_stack("_log_ev", "*");
185 MC_ignore_stack("_throw_ctx", "*");
186 MC_ignore_stack("ctx", "*");
194 void MC_modelcheck_safety(void)
196 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
198 /* Check if MC is already initialized */
199 if (initial_state_safety)
202 mc_time = xbt_new0(double, simix_process_maxpid);
204 /* Initialize the data structures that must be persistent across every
205 iteration of the model-checker (in RAW memory) */
209 /* Initialize statistics */
210 mc_stats = xbt_new0(s_mc_stats_t, 1);
211 mc_stats->state_size = 1;
213 /* Create exploration stack */
214 mc_stack_safety = xbt_fifo_new();
218 if(_surf_mc_visited > 0){
221 MC_init_memory_map_info();
222 get_libsimgrid_plt_section();
223 get_binary_plt_section();
229 /* Save the initial state */
230 initial_state_safety = xbt_new0(s_mc_global_t, 1);
231 initial_state_safety->snapshot = MC_take_snapshot();
232 //MC_take_snapshot(initial_snapshot);
243 void MC_modelcheck_liveness(){
245 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
251 /* Initialize statistics */
252 mc_stats_pair = xbt_new0(s_mc_stats_pair_t, 1);
254 /* Create exploration stack */
255 mc_stack_liveness = xbt_fifo_new();
257 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
264 MC_print_statistics_pairs(mc_stats_pair);
275 MC_print_statistics(mc_stats);
281 int MC_random(int min, int max)
283 /*FIXME: return mc_current_state->executed_transition->random.value;*/
288 * \brief Schedules all the process that are ready to run
290 void MC_wait_for_requests(void)
292 smx_process_t process;
296 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
297 SIMIX_process_runall();
298 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
299 req = &process->simcall;
300 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
301 SIMIX_simcall_pre(req, 0);
306 int MC_deadlock_check()
308 int deadlock = FALSE;
309 smx_process_t process;
310 if(xbt_swag_size(simix_global->process_list)){
312 xbt_swag_foreach(process, simix_global->process_list){
313 if(process->simcall.call != SIMCALL_NONE
314 && MC_request_is_enabled(&process->simcall)){
324 * \brief Re-executes from the state at position start all the transitions indicated by
325 * a given model-checker stack.
326 * \param stack The stack with the transitions to execute.
327 * \param start Start index to begin the re-execution.
329 void MC_replay(xbt_fifo_t stack, int start)
331 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
335 smx_simcall_t req = NULL, saved_req = NULL;
336 xbt_fifo_item_t item, start_item;
339 XBT_DEBUG("**** Begin Replay ****");
342 /* Restore the initial state */
343 MC_restore_snapshot(initial_state_safety->snapshot);
344 /* At the moment of taking the snapshot the raw heap was set, so restoring
345 * it will set it back again, we have to unset it to continue */
349 start_item = xbt_fifo_get_last_item(stack);
352 start_item = xbt_fifo_get_prev_item(start_item);
357 /* Traverse the stack from the state at position start and re-execute the transitions */
358 for (item = start_item;
359 item != xbt_fifo_get_first_item(stack);
360 item = xbt_fifo_get_prev_item(item)) {
362 state = (mc_state_t) xbt_fifo_get_item_content(item);
363 saved_req = MC_state_get_executed_request(state, &value);
366 /* because we got a copy of the executed request, we have to fetch the
367 real one, pointed by the request field of the issuer process */
368 req = &saved_req->issuer->simcall;
370 /* Debug information */
371 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
372 req_str = MC_request_to_string(req, value);
373 XBT_DEBUG("Replay: %s (%p)", req_str, state);
378 SIMIX_simcall_pre(req, value);
379 MC_wait_for_requests();
381 /* Update statistics */
382 mc_stats->visited_states++;
383 mc_stats->executed_transitions++;
385 XBT_DEBUG("**** End Replay ****");
395 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
398 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
402 smx_simcall_t req = NULL, saved_req = NULL;
403 xbt_fifo_item_t item;
405 mc_pair_stateless_t pair;
408 XBT_DEBUG("**** Begin Replay ****");
410 /* Restore the initial state */
411 MC_restore_snapshot(initial_state_liveness->snapshot);
413 /* At the moment of taking the snapshot the raw heap was set, so restoring
414 * it will set it back again, we have to unset it to continue */
415 if(!initial_state_liveness->raw_mem_set)
420 item = xbt_fifo_get_last_item(stack);
422 while(depth <= xbt_fifo_size(stack)){
424 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
425 state = (mc_state_t) pair->graph_state;
427 if(pair->requests > 0){
429 saved_req = MC_state_get_executed_request(state, &value);
430 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
432 if(saved_req != NULL){
433 /* because we got a copy of the executed request, we have to fetch the
434 real one, pointed by the request field of the issuer process */
435 req = &saved_req->issuer->simcall;
436 //XBT_DEBUG("Req->call %u", req->call);
438 /* Debug information */
439 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
440 req_str = MC_request_to_string(req, value);
441 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
447 SIMIX_simcall_pre(req, value);
448 MC_wait_for_requests();
453 /* Update statistics */
454 mc_stats_pair->visited_pairs++;
456 item = xbt_fifo_get_prev_item(item);
461 /* Traverse the stack from the initial state and re-execute the transitions */
462 for (item = xbt_fifo_get_last_item(stack);
463 item != xbt_fifo_get_first_item(stack);
464 item = xbt_fifo_get_prev_item(item)) {
466 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
467 state = (mc_state_t) pair->graph_state;
469 if(pair->requests > 0){
471 saved_req = MC_state_get_executed_request(state, &value);
472 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
474 if(saved_req != NULL){
475 /* because we got a copy of the executed request, we have to fetch the
476 real one, pointed by the request field of the issuer process */
477 req = &saved_req->issuer->simcall;
478 //XBT_DEBUG("Req->call %u", req->call);
480 /* Debug information */
481 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
482 req_str = MC_request_to_string(req, value);
483 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
489 SIMIX_simcall_pre(req, value);
490 MC_wait_for_requests();
495 /* Update statistics */
496 mc_stats_pair->visited_pairs++;
500 XBT_DEBUG("**** End Replay ****");
502 if(initial_state_liveness->raw_mem_set)
510 * \brief Dumps the contents of a model-checker's stack and shows the actual
512 * \param stack The stack to dump
514 void MC_dump_stack_safety(xbt_fifo_t stack)
517 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
519 MC_show_stack_safety(stack);
521 if(!_surf_mc_checkpoint){
526 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
527 MC_state_delete(state);
540 void MC_show_stack_safety(xbt_fifo_t stack)
544 xbt_fifo_item_t item;
546 char *req_str = NULL;
548 for (item = xbt_fifo_get_last_item(stack);
549 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
550 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
551 req = MC_state_get_executed_request(state, &value);
553 req_str = MC_request_to_string(req, value);
554 XBT_INFO("%s", req_str);
560 void MC_show_deadlock(smx_simcall_t req)
562 /*char *req_str = NULL;*/
563 XBT_INFO("**************************");
564 XBT_INFO("*** DEAD-LOCK DETECTED ***");
565 XBT_INFO("**************************");
566 XBT_INFO("Locked request:");
567 /*req_str = MC_request_to_string(req);
568 XBT_INFO("%s", req_str);
570 XBT_INFO("Counter-example execution trace:");
571 MC_dump_stack_safety(mc_stack_safety);
575 void MC_show_stack_liveness(xbt_fifo_t stack){
577 mc_pair_stateless_t pair;
578 xbt_fifo_item_t item;
580 char *req_str = NULL;
582 for (item = xbt_fifo_get_last_item(stack);
583 (item ? (pair = (mc_pair_stateless_t) (xbt_fifo_get_item_content(item)))
584 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
585 req = MC_state_get_executed_request(pair->graph_state, &value);
587 if(pair->requests>0){
588 req_str = MC_request_to_string(req, value);
589 XBT_INFO("%s", req_str);
592 XBT_INFO("End of system requests but evolution in Büchi automaton");
598 void MC_dump_stack_liveness(xbt_fifo_t stack){
600 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
602 mc_pair_stateless_t pair;
605 while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
606 pair_stateless_free(pair);
615 void MC_print_statistics(mc_stats_t stats)
617 //XBT_INFO("State space size ~= %lu", stats->state_size);
618 XBT_INFO("Expanded states = %lu", stats->expanded_states);
619 XBT_INFO("Visited states = %lu", stats->visited_states);
620 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
621 XBT_INFO("Expanded / Visited = %lf",
622 (double) stats->visited_states / stats->expanded_states);
623 /*XBT_INFO("Exploration coverage = %lf",
624 (double)stats->expanded_states / stats->state_size); */
627 void MC_print_statistics_pairs(mc_stats_pair_t stats)
629 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
630 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
631 //XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
632 XBT_INFO("Expanded / Visited = %lf",
633 (double) stats->visited_pairs / stats->expanded_pairs);
635 if(mmalloc_get_current_heap() == raw_heap)
639 void MC_assert(int prop)
641 if (MC_is_active() && !prop){
642 XBT_INFO("**************************");
643 XBT_INFO("*** PROPERTY NOT VALID ***");
644 XBT_INFO("**************************");
645 XBT_INFO("Counter-example execution trace:");
646 MC_dump_stack_safety(mc_stack_safety);
647 MC_print_statistics(mc_stats);
652 static void MC_assert_pair(int prop){
653 if (MC_is_active() && !prop) {
654 XBT_INFO("**************************");
655 XBT_INFO("*** PROPERTY NOT VALID ***");
656 XBT_INFO("**************************");
657 //XBT_INFO("Counter-example execution trace:");
658 MC_show_stack_liveness(mc_stack_liveness);
659 //MC_dump_snapshot_stack(mc_snapshot_stack);
660 MC_print_statistics_pairs(mc_stats_pair);
665 void MC_process_clock_add(smx_process_t process, double amount)
667 mc_time[process->pid] += amount;
670 double MC_process_clock_get(smx_process_t process)
674 return mc_time[process->pid];
682 void MC_automaton_load(const char *file){
684 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
688 if (_mc_property_automaton == NULL)
689 _mc_property_automaton = xbt_automaton_new();
691 xbt_automaton_load(_mc_property_automaton,file);
700 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
702 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
706 if (_mc_property_automaton == NULL)
707 _mc_property_automaton = xbt_automaton_new();
709 xbt_new_propositional_symbol(_mc_property_automaton,id,fct);
718 /************ MC_ignore ***********/
720 static void ignore_coverage_variables(char *executable, int region_type){
724 char *command = bprintf("objdump --syms %s", executable);
726 fp = popen(command, "r");
729 perror("popen failed");
737 xbt_dynar_t line_tokens = NULL;
738 unsigned long int size, offset;
741 while ((read = getline(&line, &n, fp)) != -1){
746 /* Wipeout the new line character */
747 line[read - 1] = '\0';
749 xbt_str_strip_spaces(line);
750 xbt_str_ltrim(line, NULL);
752 line_tokens = xbt_str_split(line, NULL);
754 if(xbt_dynar_length(line_tokens) < 3 || strcmp(xbt_dynar_get_as(line_tokens, 0, char *), "SYMBOL") == 0)
757 if(((strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char *), "gcov", 4) == 0)
758 || (strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char *), "__gcov", 6) == 0))
759 && (((strcmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 3, char *), ".bss") == 0)
760 || (strcmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 3, char *), ".data") == 0)))){
761 if(region_type == 1){ /* libsimgrid */
762 offset = strtoul(xbt_dynar_get_as(line_tokens, 0, char*), NULL, 16);
763 size = strtoul(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 2, char *), NULL, 16);
764 //XBT_DEBUG("Add ignore at address %p (size %lu)", (char *)start_text_libsimgrid+offset, size);
765 MC_ignore_data_bss((char *)start_text_libsimgrid+offset, size);
767 address = (void *)strtoul(xbt_dynar_get_as(line_tokens, 0, char*), NULL, 16);
768 size = strtoul(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 2, char *), NULL, 16);
769 //XBT_DEBUG("Add ignore at address %p (size %lu)", address, size);
770 MC_ignore_data_bss(address, size);
774 xbt_dynar_free(&line_tokens);
784 void MC_ignore_heap(void *address, size_t size){
786 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
790 if(mc_heap_comparison_ignore == NULL)
791 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), NULL);
793 mc_heap_ignore_region_t region = NULL;
794 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
795 region->address = address;
798 if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_SIZE))){
800 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
802 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
803 region->fragment = -1;
805 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
810 unsigned int cursor = 0;
811 mc_heap_ignore_region_t current_region;
812 xbt_dynar_foreach(mc_heap_comparison_ignore, cursor, current_region){
813 if(current_region->address > address)
817 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
825 void MC_ignore_data_bss(void *address, size_t size){
827 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
831 if(mc_data_bss_comparison_ignore == NULL)
832 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL);
834 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
836 mc_data_bss_ignore_variable_t var = NULL;
837 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
838 var->address = address;
841 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
845 unsigned int cursor = 0;
847 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
848 mc_data_bss_ignore_variable_t current_var = NULL;
851 cursor = (start + end) / 2;
852 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
853 if(current_var->address == address){
859 if(current_var->address < address)
861 if(current_var->address > address)
865 mc_data_bss_ignore_variable_t var = NULL;
866 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
867 var->address = address;
870 if(current_var->address < address)
871 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
873 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
883 void MC_ignore_stack(const char *var_name, const char *frame){
885 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
889 if(mc_stack_comparison_ignore == NULL)
890 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL);
892 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
894 mc_stack_ignore_variable_t var = NULL;
895 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
896 var->var_name = strdup(var_name);
897 var->frame = strdup(frame);
899 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
903 unsigned int cursor = 0;
905 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
906 mc_stack_ignore_variable_t current_var = NULL;
909 cursor = (start + end) / 2;
910 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
911 if(strcmp(current_var->frame, frame) == 0){
912 if(strcmp(current_var->var_name, var_name) == 0){
918 if(strcmp(current_var->var_name, var_name) < 0)
920 if(strcmp(current_var->var_name, var_name) > 0)
923 if(strcmp(current_var->frame, frame) < 0)
925 if(strcmp(current_var->frame, frame) > 0)
929 mc_stack_ignore_variable_t var = NULL;
930 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
931 var->var_name = strdup(var_name);
932 var->frame = strdup(frame);
934 if(strcmp(current_var->frame, frame) < 0)
935 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
937 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
948 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
950 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
953 if(stacks_areas == NULL)
954 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
956 stack_region_t region = NULL;
957 region = xbt_new0(s_stack_region_t, 1);
958 region->address = stack;
959 region->process_name = strdup(name);
960 region->context = context;
962 xbt_dynar_push(stacks_areas, ®ion);
970 /************ DWARF ***********/
972 xbt_dict_t MC_get_location_list(const char *elf_file){
974 char *command = bprintf("objdump -Wo %s", elf_file);
976 FILE *fp = popen(command, "r");
979 perror("popen for objdump failed");
983 int debug = 0; /*Detect if the program has been compiled with -g */
985 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
986 char *line = NULL, *loc_expr = NULL;
990 xbt_dynar_t split = NULL;
992 while ((read = getline(&line, &n, fp)) != -1) {
994 /* Wipeout the new line character */
995 line[read - 1] = '\0';
997 xbt_str_trim(line, NULL);
1002 if(strlen(line) == 0)
1007 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
1010 if(strncmp(line, "Contents", 8) == 0)
1013 if(strncmp(line, "Offset", 6) == 0){
1020 XBT_INFO("Your program must be compiled with -g");
1024 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
1026 xbt_str_strip_spaces(line);
1027 split = xbt_str_split(line, " ");
1029 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
1031 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
1032 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
1033 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
1036 while(cursor_remove < 3){
1037 xbt_dynar_remove_at(split, 0, NULL);
1041 loc_expr = xbt_str_join(split, " ");
1042 xbt_str_ltrim(loc_expr, "(");
1043 xbt_str_rtrim(loc_expr, ")");
1044 new_entry->location = get_location(NULL, loc_expr);
1046 xbt_dynar_push(loclist, &new_entry);
1048 xbt_dynar_free(&split);
1051 read = getline(&line, &n, fp);
1053 line[read - 1] = '\0';
1054 xbt_str_strip_spaces(line);
1055 split = xbt_str_split(line, " ");
1061 char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
1062 xbt_dict_set(location_list, key, loclist, NULL);
1064 xbt_dynar_free(&split);
1072 return location_list;
1075 char *get_libsimgrid_path(){
1077 char *command = bprintf("ldd %s", xbt_binary_name);
1079 FILE *fp = popen(command, "r");
1082 perror("popen for ldd failed");
1091 while((read = getline(&line, &n, fp)) != -1){
1096 /* Wipeout the new line character */
1097 line[read - 1] = '\0';
1099 xbt_str_strip_spaces(line);
1100 xbt_str_ltrim(line, NULL);
1101 split = xbt_str_split(line, " ");
1103 if(strncmp((char *)xbt_dynar_get_as(split, 0, char *), "libsimgrid.so", 13) == 0){
1107 return ((char *)xbt_dynar_get_as(split, 2, char *));
1110 xbt_dynar_free(&split);
1122 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
1124 xbt_dict_cursor_t cursor = NULL;
1128 xbt_dict_foreach(all_variables, cursor, name, res) {
1129 if(offset >= res->start && offset < res->end)
1137 void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){
1139 char *command = bprintf("objdump -Wi %s", elf_file);
1141 FILE *fp = popen(command, "r");
1144 perror("popen for objdump failed");
1146 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL;
1149 int valid_variable = 1;
1150 char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL;
1151 xbt_dynar_t split = NULL, split2 = NULL;
1153 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL);
1154 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL);
1155 char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL;
1156 int new_frame = 0, new_variable = 0;
1157 dw_frame_t variable_frame, subroutine_frame = NULL;
1159 read = getline(&line, &n, fp);
1161 while (read != -1) {
1164 read = getline(&line, &n, fp);
1168 /* Wipeout the new line character */
1169 line[read - 1] = '\0';
1171 if(strlen(line) == 0){
1172 read = getline(&line, &n, fp);
1176 xbt_str_ltrim(line, NULL);
1177 xbt_str_strip_spaces(line);
1180 read = getline(&line, &n, fp);
1184 xbt_dynar_free(&split);
1185 split = xbt_str_split(line, " ");
1188 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1190 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
1192 dw_frame_t frame = NULL;
1194 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1195 subprogram_start = strdup(strtok(NULL, "<"));
1196 xbt_str_rtrim(subprogram_start, ">:");
1198 read = getline(&line, &n, fp);
1203 read = getline(&line, &n, fp);
1207 /* Wipeout the new line character */
1208 line[read - 1] = '\0';
1210 if(strlen(line) == 0){
1211 read = getline(&line, &n, fp);
1215 xbt_dynar_free(&split);
1216 xbt_str_rtrim(line, NULL);
1217 xbt_str_strip_spaces(line);
1218 split = xbt_str_split(line, " ");
1220 node_type = xbt_dynar_get_as(split, 1, char *);
1222 if(strncmp(node_type, "DW_AT_", 6) != 0)
1225 if(strcmp(node_type, "DW_AT_sibling") == 0){
1227 subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*));
1228 xbt_str_ltrim(subprogram_end, "<0x");
1229 xbt_str_rtrim(subprogram_end, ">");
1231 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
1234 abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*));
1235 xbt_str_ltrim(abstract_origin, "<0x");
1236 xbt_str_rtrim(abstract_origin, ">");
1237 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
1238 frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1240 }else if(strcmp(node_type, "DW_AT_name") == 0){
1243 free(current_frame);
1244 frame = xbt_new0(s_dw_frame_t, 1);
1245 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1246 frame->variables = xbt_dict_new_homogeneous(NULL);
1247 frame->frame_base = xbt_new0(s_dw_location_t, 1);
1248 current_frame = strdup(frame->name);
1250 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1252 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
1254 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1256 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1258 frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1262 xbt_str_strip_spaces(line);
1263 split2 = xbt_str_split(line, "(");
1264 xbt_dynar_remove_at(split2, 0, NULL);
1265 loc_expr = xbt_str_join(split2, " ");
1266 xbt_str_rtrim(loc_expr, ")");
1267 frame->frame_base = get_location(NULL, loc_expr);
1268 xbt_dynar_free(&split2);
1272 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1275 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1277 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1280 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1282 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
1285 free(current_frame);
1286 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1287 current_frame = strdup(frame->name);
1288 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1292 read = getline(&line, &n, fp);
1297 frame->start = strtoul(subprogram_start, NULL, 16);
1298 if(subprogram_end != NULL)
1299 frame->end = strtoul(subprogram_end, NULL, 16);
1300 xbt_dict_set(*all_variables, frame->name, frame, NULL);
1303 free(subprogram_start);
1304 if(subprogram_end != NULL){
1305 free(subprogram_end);
1306 subprogram_end = NULL;
1310 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
1312 dw_local_variable_t var = NULL;
1314 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1315 origin = strdup(strtok(NULL, "<"));
1316 xbt_str_rtrim(origin, ">:");
1318 read = getline(&line, &n, fp);
1323 read = getline(&line, &n, fp);
1327 /* Wipeout the new line character */
1328 line[read - 1] = '\0';
1330 if(strlen(line) == 0){
1331 read = getline(&line, &n, fp);
1335 xbt_dynar_free(&split);
1336 xbt_str_rtrim(line, NULL);
1337 xbt_str_strip_spaces(line);
1338 split = xbt_str_split(line, " ");
1340 node_type = xbt_dynar_get_as(split, 1, char *);
1342 if(strncmp(node_type, "DW_AT_", 6) != 0)
1345 if(strcmp(node_type, "DW_AT_name") == 0){
1348 var = xbt_new0(s_dw_local_variable_t, 1);
1349 var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1351 xbt_dict_set(variables_origin, origin, var->name, NULL);
1353 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1356 abstract_origin = xbt_dynar_get_as(split, 2, char *);
1357 xbt_str_ltrim(abstract_origin, "<0x");
1358 xbt_str_rtrim(abstract_origin, ">");
1360 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
1361 variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16));
1362 var = xbt_dict_get_or_null(variable_frame->variables, variable_name);
1364 }else if(strcmp(node_type, "DW_AT_location") == 0){
1366 if(valid_variable == 1 && var != NULL){
1368 var->location = xbt_new0(s_dw_location_t, 1);
1370 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1372 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1374 var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1378 xbt_str_strip_spaces(line);
1379 split2 = xbt_str_split(line, "(");
1380 xbt_dynar_remove_at(split2, 0, NULL);
1381 loc_expr = xbt_str_join(split2, " ");
1382 xbt_str_rtrim(loc_expr, ")");
1383 var->location = get_location(NULL, loc_expr);
1384 xbt_dynar_free(&split2);
1390 }else if(strcmp(node_type, "DW_AT_external") == 0){
1396 read = getline(&line, &n, fp);
1400 if(new_variable == 1 && valid_variable == 1){
1402 variable_frame = xbt_dict_get_or_null(*all_variables, current_frame);
1403 xbt_dict_set(variable_frame->variables, var->name, var, NULL);
1409 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
1411 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1412 origin = strdup(strtok(NULL, "<"));
1413 xbt_str_rtrim(origin, ">:");
1415 read = getline(&line, &n, fp);
1419 /* Wipeout the new line character */
1420 line[read - 1] = '\0';
1423 read = getline(&line, &n, fp);
1427 if(strlen(line) == 0){
1428 read = getline(&line, &n, fp);
1432 xbt_dynar_free(&split);
1433 xbt_str_rtrim(line, NULL);
1434 xbt_str_strip_spaces(line);
1435 split = xbt_str_split(line, " ");
1437 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
1440 node_type = xbt_dynar_get_as(split, 1, char *);
1442 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1444 origin = xbt_dynar_get_as(split, 2, char *);
1445 xbt_str_ltrim(origin, "<0x");
1446 xbt_str_rtrim(origin, ">");
1448 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
1449 subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1451 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1453 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1455 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1457 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1460 read = getline(&line, &n, fp);
1466 read = getline(&line, &n, fp);
1472 xbt_dynar_free(&split);
1479 static dw_location_t get_location(xbt_dict_t location_list, char *expr){
1481 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
1483 if(location_list != NULL){
1485 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
1486 loc->type = e_dw_loclist;
1487 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
1489 XBT_INFO("Key not found in loclist");
1495 char *tok = NULL, *tok2 = NULL;
1497 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
1498 xbt_dynar_t tokens2;
1500 loc->type = e_dw_compose;
1501 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
1503 while(cursor < xbt_dynar_length(tokens1)){
1505 tok = xbt_dynar_get_as(tokens1, cursor, char*);
1506 tokens2 = xbt_str_split(tok, " ");
1507 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
1509 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
1510 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1511 new_element->type = e_dw_register;
1512 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
1513 xbt_dynar_push(loc->location.compose, &new_element);
1514 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
1515 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1516 new_element->type = e_dw_fbregister_op;
1517 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1518 xbt_dynar_push(loc->location.compose, &new_element);
1519 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
1520 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1521 new_element->type = e_dw_bregister_op;
1522 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
1523 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1524 xbt_dynar_push(loc->location.compose, &new_element);
1525 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
1526 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1527 new_element->type = e_dw_lit;
1528 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
1529 xbt_dynar_push(loc->location.compose, &new_element);
1530 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
1531 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1532 new_element->type = e_dw_piece;
1533 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1534 /*if(strlen(xbt_dynar_get_as(tokens2, 1, char*)) > 1)
1535 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1537 new_element->location.piece = xbt_dynar_get_as(tokens2, 1, char*)[0] - '0';*/
1538 xbt_dynar_push(loc->location.compose, &new_element);
1539 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
1540 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1541 new_element->type = e_dw_plus_uconst;
1542 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, 1, char *));
1543 xbt_dynar_push(loc->location.compose, &new_element);
1544 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
1545 strcmp(tok, "DW_OP_and") == 0 ||
1546 strcmp(tok, "DW_OP_div") == 0 ||
1547 strcmp(tok, "DW_OP_minus") == 0 ||
1548 strcmp(tok, "DW_OP_mod") == 0 ||
1549 strcmp(tok, "DW_OP_mul") == 0 ||
1550 strcmp(tok, "DW_OP_neg") == 0 ||
1551 strcmp(tok, "DW_OP_not") == 0 ||
1552 strcmp(tok, "DW_OP_or") == 0 ||
1553 strcmp(tok, "DW_OP_plus") == 0){
1554 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1555 new_element->type = e_dw_arithmetic;
1556 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
1557 xbt_dynar_push(loc->location.compose, &new_element);
1558 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
1559 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
1560 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1561 new_element->type = e_dw_deref;
1562 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, 1, char*));
1563 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1564 new_element->location.deref_size = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1566 new_element->location.deref_size = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1567 xbt_dynar_push(loc->location.compose, &new_element);
1568 }else if(strcmp(tok, "DW_OP_deref") == 0){
1569 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1570 new_element->type = e_dw_deref;
1571 new_element->location.deref_size = sizeof(void *);
1572 xbt_dynar_push(loc->location.compose, &new_element);
1573 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
1574 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1575 new_element->type = e_dw_uconstant;
1576 new_element->location.uconstant.bytes = 1;
1577 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1578 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1579 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens, cursor, char*)));
1581 new_element->location.uconstant.value = (unsigned long int)(xbt_dynar_get_as(tokens, cursor, char*)[0] - '0');*/
1582 xbt_dynar_push(loc->location.compose, &new_element);
1583 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
1584 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1585 new_element->type = e_dw_sconstant;
1586 new_element->location.sconstant.bytes = 1;
1587 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1588 xbt_dynar_push(loc->location.compose, &new_element);
1589 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
1590 strcmp(tok2, "DW_OP_const2u:") == 0 ||
1591 strcmp(tok2, "DW_OP_const4u:") == 0 ||
1592 strcmp(tok2, "DW_OP_const8u:") == 0){
1593 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1594 new_element->type = e_dw_uconstant;
1595 new_element->location.uconstant.bytes = tok2[11] - '0';
1596 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1597 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1598 new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1600 new_element->location.constant.value = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1601 xbt_dynar_push(loc->location.compose, &new_element);
1602 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
1603 strcmp(tok, "DW_OP_const2s") == 0 ||
1604 strcmp(tok, "DW_OP_const4s") == 0 ||
1605 strcmp(tok, "DW_OP_const8s") == 0){
1606 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1607 new_element->type = e_dw_sconstant;
1608 new_element->location.sconstant.bytes = tok2[11] - '0';
1609 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1610 xbt_dynar_push(loc->location.compose, &new_element);
1612 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1613 new_element->type = e_dw_unsupported;
1614 xbt_dynar_push(loc->location.compose, &new_element);
1618 xbt_dynar_free(&tokens2);
1622 xbt_dynar_free(&tokens1);
1631 void print_local_variables(xbt_dict_t list){
1633 dw_location_entry_t entry;
1634 dw_location_t location_entry;
1635 unsigned int cursor3 = 0, cursor4 = 0;
1636 xbt_dict_cursor_t cursor = 0, cursor2 = 0;
1638 char *frame_name, *variable_name;
1639 dw_frame_t current_frame;
1640 dw_local_variable_t current_variable;
1642 xbt_dict_foreach(list, cursor, frame_name, current_frame){
1643 fprintf(stderr, "Frame name : %s\n", current_frame->name);
1644 fprintf(stderr, "Location type : %d\n", current_frame->frame_base->type);
1645 xbt_dict_foreach((xbt_dict_t)current_frame->variables, cursor2, variable_name, current_variable){
1646 fprintf(stderr, "Name : %s\n", current_variable->name);
1647 if(current_variable->location == NULL)
1649 fprintf(stderr, "Location type : %d\n", current_variable->location->type);
1650 switch(current_variable->location->type){
1652 xbt_dynar_foreach(current_variable->location->location.loclist, cursor3, entry){
1653 fprintf(stderr, "Lowpc : %lx, Highpc : %lx,", entry->lowpc, entry->highpc);
1654 switch(entry->location->type){
1655 case e_dw_register :
1656 fprintf(stderr, " Location : in register %d\n", entry->location->location.reg);
1658 case e_dw_bregister_op:
1659 fprintf(stderr, " Location : Add %d to the value in register %d\n", entry->location->location.breg_op.offset, entry->location->location.breg_op.reg);
1662 fprintf(stderr, "Value already kwnown : %d\n", entry->location->location.lit);
1664 case e_dw_fbregister_op:
1665 fprintf(stderr, " Location : %d bytes from logical frame pointer\n", entry->location->location.fbreg_op);
1668 fprintf(stderr, " Location :\n");
1669 xbt_dynar_foreach(entry->location->location.compose, cursor4, location_entry){
1670 switch(location_entry->type){
1671 case e_dw_register :
1672 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1674 case e_dw_bregister_op:
1675 fprintf(stderr, " %d) add %d to the value in register %d\n", cursor4 + 1, location_entry->location.breg_op.offset, location_entry->location.breg_op.reg);
1678 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1680 case e_dw_fbregister_op:
1681 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1684 fprintf(stderr, " %d) Pop the stack entry and treats it as an address (size of data %d)\n", cursor4 + 1, location_entry->location.deref_size);
1686 case e_dw_arithmetic :
1687 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1690 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1692 case e_dw_uconstant :
1693 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1695 case e_dw_sconstant :
1696 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1699 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1705 fprintf(stderr, "Location type not supported\n");
1712 fprintf(stderr, "Location :\n");
1713 xbt_dynar_foreach(current_variable->location->location.compose, cursor4, location_entry){
1714 switch(location_entry->type){
1715 case e_dw_register :
1716 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1718 case e_dw_bregister_op:
1719 fprintf(stderr, " %d) add %d to the value in register %d\n", cursor4 + 1, location_entry->location.breg_op.offset, location_entry->location.breg_op.reg);
1722 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1724 case e_dw_fbregister_op:
1725 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1728 fprintf(stderr, " %d) Pop the stack entry and treats it as an address (size of data %d)\n", cursor4 + 1, location_entry->location.deref_size);
1730 case e_dw_arithmetic :
1731 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1734 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1736 case e_dw_uconstant :
1737 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1739 case e_dw_sconstant :
1740 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1743 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1749 fprintf(stderr, "Location type not supported\n");