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);
40 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
43 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
44 if (_surf_init_status && !_surf_do_model_check) {
45 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.");
47 _surf_mc_checkpoint = xbt_cfg_get_int(_surf_cfg_set, name);
48 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
50 void _mc_cfg_cb_property(const char *name, int pos) {
51 if (_surf_init_status && !_surf_do_model_check) {
52 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.");
54 _surf_mc_property_file= xbt_cfg_get_string(_surf_cfg_set, name);
55 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
58 void _mc_cfg_cb_timeout(const char *name, int pos) {
59 if (_surf_init_status && !_surf_do_model_check) {
60 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.");
62 _surf_mc_timeout= xbt_cfg_get_int(_surf_cfg_set, name);
63 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
66 void _mc_cfg_cb_max_depth(const char *name, int pos) {
67 if (_surf_init_status && !_surf_do_model_check) {
68 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.");
70 _surf_mc_max_depth= xbt_cfg_get_int(_surf_cfg_set, name);
71 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
74 void _mc_cfg_cb_visited(const char *name, int pos) {
75 if (_surf_init_status && !_surf_do_model_check) {
76 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.");
78 _surf_mc_visited= xbt_cfg_get_int(_surf_cfg_set, name);
79 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
83 /* MC global data structures */
85 mc_state_t mc_current_state = NULL;
86 char mc_replay_mode = FALSE;
87 double *mc_time = NULL;
91 xbt_fifo_t mc_stack_safety = NULL;
92 mc_stats_t mc_stats = NULL;
93 mc_global_t initial_state_safety = NULL;
97 mc_stats_pair_t mc_stats_pair = NULL;
98 xbt_fifo_t mc_stack_liveness = NULL;
99 mc_global_t initial_state_liveness = NULL;
103 xbt_dict_t mc_local_variables = NULL;
105 /* Ignore mechanism */
106 xbt_dynar_t mc_stack_comparison_ignore;
107 xbt_dynar_t mc_data_bss_comparison_ignore;
108 extern xbt_dynar_t mc_heap_comparison_ignore;
109 extern xbt_dynar_t stacks_areas;
111 xbt_automaton_t _mc_property_automaton = NULL;
113 /* Static functions */
115 static void MC_assert_pair(int prop);
116 static dw_location_t get_location(xbt_dict_t location_list, char *expr);
117 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset);
118 static void ignore_coverage_variables(char *executable, int region_type);
120 void MC_do_the_modelcheck_for_real() {
121 if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
122 if (mc_reduce_kind==e_mc_reduce_unset)
123 mc_reduce_kind=e_mc_reduce_dpor;
125 XBT_INFO("Check a safety property");
126 MC_modelcheck_safety();
130 if (mc_reduce_kind==e_mc_reduce_unset)
131 mc_reduce_kind=e_mc_reduce_none;
133 XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
134 MC_automaton_load(_surf_mc_property_file);
135 MC_modelcheck_liveness();
140 void MC_compare(void){
146 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
148 mc_time = xbt_new0(double, simix_process_maxpid);
150 /* mc_time refers to clock for each process -> ignore it for heap comparison */
152 for(i = 0; i<simix_process_maxpid; i++)
153 MC_ignore_heap(&(mc_time[i]), sizeof(double));
157 /* Initialize the data structures that must be persistent across every
158 iteration of the model-checker (in RAW memory) */
162 char *ls_path = get_libsimgrid_path();
164 mc_local_variables = xbt_dict_new_homogeneous(NULL);
166 /* Get local variables in binary for state equality detection */
167 xbt_dict_t binary_location_list = MC_get_location_list(xbt_binary_name);
168 MC_get_local_variables(xbt_binary_name, binary_location_list, &mc_local_variables);
170 /* Get local variables in libsimgrid for state equality detection */
171 xbt_dict_t libsimgrid_location_list = MC_get_location_list(ls_path);
172 MC_get_local_variables(ls_path, libsimgrid_location_list, &mc_local_variables);
174 MC_init_memory_map_info();
176 /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
177 get_libsimgrid_plt_section();
178 get_binary_plt_section();
180 ignore_coverage_variables(libsimgrid_path, 1);
181 ignore_coverage_variables(xbt_binary_name, 2);
185 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
186 MC_ignore_stack("e", "*");
187 MC_ignore_stack("__ex_cleanup", "*");
188 MC_ignore_stack("__ex_mctx_en", "*");
189 MC_ignore_stack("__ex_mctx_me", "*");
190 MC_ignore_stack("_log_ev", "*");
191 MC_ignore_stack("_throw_ctx", "*");
192 MC_ignore_stack("ctx", "*");
200 void MC_modelcheck_safety(void)
202 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
204 /* Check if MC is already initialized */
205 if (initial_state_safety)
208 mc_time = xbt_new0(double, simix_process_maxpid);
210 /* Initialize the data structures that must be persistent across every
211 iteration of the model-checker (in RAW memory) */
215 /* Initialize statistics */
216 mc_stats = xbt_new0(s_mc_stats_t, 1);
217 mc_stats->state_size = 1;
219 /* Create exploration stack */
220 mc_stack_safety = xbt_fifo_new();
224 if(_surf_mc_visited > 0){
227 MC_init_memory_map_info();
228 get_libsimgrid_plt_section();
229 get_binary_plt_section();
235 /* Save the initial state */
236 initial_state_safety = xbt_new0(s_mc_global_t, 1);
237 initial_state_safety->snapshot = MC_take_snapshot();
238 //MC_take_snapshot(initial_snapshot);
249 void MC_modelcheck_liveness(){
251 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
257 /* Initialize statistics */
258 mc_stats_pair = xbt_new0(s_mc_stats_pair_t, 1);
260 /* Create exploration stack */
261 mc_stack_liveness = xbt_fifo_new();
263 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
270 MC_print_statistics_pairs(mc_stats_pair);
281 MC_print_statistics(mc_stats);
287 int MC_random(int min, int max)
289 /*FIXME: return mc_current_state->executed_transition->random.value;*/
294 * \brief Schedules all the process that are ready to run
296 void MC_wait_for_requests(void)
298 smx_process_t process;
302 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
303 SIMIX_process_runall();
304 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
305 req = &process->simcall;
306 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
307 SIMIX_simcall_pre(req, 0);
312 int MC_deadlock_check()
314 int deadlock = FALSE;
315 smx_process_t process;
316 if(xbt_swag_size(simix_global->process_list)){
318 xbt_swag_foreach(process, simix_global->process_list){
319 if(process->simcall.call != SIMCALL_NONE
320 && MC_request_is_enabled(&process->simcall)){
330 * \brief Re-executes from the state at position start all the transitions indicated by
331 * a given model-checker stack.
332 * \param stack The stack with the transitions to execute.
333 * \param start Start index to begin the re-execution.
335 void MC_replay(xbt_fifo_t stack, int start)
337 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
341 smx_simcall_t req = NULL, saved_req = NULL;
342 xbt_fifo_item_t item, start_item;
345 XBT_DEBUG("**** Begin Replay ****");
348 /* Restore the initial state */
349 MC_restore_snapshot(initial_state_safety->snapshot);
350 /* At the moment of taking the snapshot the raw heap was set, so restoring
351 * it will set it back again, we have to unset it to continue */
355 start_item = xbt_fifo_get_last_item(stack);
358 start_item = xbt_fifo_get_prev_item(start_item);
363 /* Traverse the stack from the state at position start and re-execute the transitions */
364 for (item = start_item;
365 item != xbt_fifo_get_first_item(stack);
366 item = xbt_fifo_get_prev_item(item)) {
368 state = (mc_state_t) xbt_fifo_get_item_content(item);
369 saved_req = MC_state_get_executed_request(state, &value);
372 /* because we got a copy of the executed request, we have to fetch the
373 real one, pointed by the request field of the issuer process */
374 req = &saved_req->issuer->simcall;
376 /* Debug information */
377 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
378 req_str = MC_request_to_string(req, value);
379 XBT_DEBUG("Replay: %s (%p)", req_str, state);
384 SIMIX_simcall_pre(req, value);
385 MC_wait_for_requests();
387 /* Update statistics */
388 mc_stats->visited_states++;
389 mc_stats->executed_transitions++;
391 XBT_DEBUG("**** End Replay ****");
401 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
404 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
408 smx_simcall_t req = NULL, saved_req = NULL;
409 xbt_fifo_item_t item;
411 mc_pair_stateless_t pair;
414 XBT_DEBUG("**** Begin Replay ****");
416 /* Restore the initial state */
417 MC_restore_snapshot(initial_state_liveness->snapshot);
419 /* At the moment of taking the snapshot the raw heap was set, so restoring
420 * it will set it back again, we have to unset it to continue */
421 if(!initial_state_liveness->raw_mem_set)
426 item = xbt_fifo_get_last_item(stack);
428 while(depth <= xbt_fifo_size(stack)){
430 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
431 state = (mc_state_t) pair->graph_state;
433 if(pair->requests > 0){
435 saved_req = MC_state_get_executed_request(state, &value);
436 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
438 if(saved_req != NULL){
439 /* because we got a copy of the executed request, we have to fetch the
440 real one, pointed by the request field of the issuer process */
441 req = &saved_req->issuer->simcall;
442 //XBT_DEBUG("Req->call %u", req->call);
444 /* Debug information */
445 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
446 req_str = MC_request_to_string(req, value);
447 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
453 SIMIX_simcall_pre(req, value);
454 MC_wait_for_requests();
459 /* Update statistics */
460 mc_stats_pair->visited_pairs++;
462 item = xbt_fifo_get_prev_item(item);
467 /* Traverse the stack from the initial state and re-execute the transitions */
468 for (item = xbt_fifo_get_last_item(stack);
469 item != xbt_fifo_get_first_item(stack);
470 item = xbt_fifo_get_prev_item(item)) {
472 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
473 state = (mc_state_t) pair->graph_state;
475 if(pair->requests > 0){
477 saved_req = MC_state_get_executed_request(state, &value);
478 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
480 if(saved_req != NULL){
481 /* because we got a copy of the executed request, we have to fetch the
482 real one, pointed by the request field of the issuer process */
483 req = &saved_req->issuer->simcall;
484 //XBT_DEBUG("Req->call %u", req->call);
486 /* Debug information */
487 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
488 req_str = MC_request_to_string(req, value);
489 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
495 SIMIX_simcall_pre(req, value);
496 MC_wait_for_requests();
501 /* Update statistics */
502 mc_stats_pair->visited_pairs++;
506 XBT_DEBUG("**** End Replay ****");
508 if(initial_state_liveness->raw_mem_set)
516 * \brief Dumps the contents of a model-checker's stack and shows the actual
518 * \param stack The stack to dump
520 void MC_dump_stack_safety(xbt_fifo_t stack)
523 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
525 MC_show_stack_safety(stack);
527 if(!_surf_mc_checkpoint){
532 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
533 MC_state_delete(state);
546 void MC_show_stack_safety(xbt_fifo_t stack)
550 xbt_fifo_item_t item;
552 char *req_str = NULL;
554 for (item = xbt_fifo_get_last_item(stack);
555 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
556 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
557 req = MC_state_get_executed_request(state, &value);
559 req_str = MC_request_to_string(req, value);
560 XBT_INFO("%s", req_str);
566 void MC_show_deadlock(smx_simcall_t req)
568 /*char *req_str = NULL;*/
569 XBT_INFO("**************************");
570 XBT_INFO("*** DEAD-LOCK DETECTED ***");
571 XBT_INFO("**************************");
572 XBT_INFO("Locked request:");
573 /*req_str = MC_request_to_string(req);
574 XBT_INFO("%s", req_str);
576 XBT_INFO("Counter-example execution trace:");
577 MC_dump_stack_safety(mc_stack_safety);
581 void MC_show_stack_liveness(xbt_fifo_t stack){
583 mc_pair_stateless_t pair;
584 xbt_fifo_item_t item;
586 char *req_str = NULL;
588 for (item = xbt_fifo_get_last_item(stack);
589 (item ? (pair = (mc_pair_stateless_t) (xbt_fifo_get_item_content(item)))
590 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
591 req = MC_state_get_executed_request(pair->graph_state, &value);
593 if(pair->requests>0){
594 req_str = MC_request_to_string(req, value);
595 XBT_INFO("%s", req_str);
598 XBT_INFO("End of system requests but evolution in Büchi automaton");
604 void MC_dump_stack_liveness(xbt_fifo_t stack){
606 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
608 mc_pair_stateless_t pair;
611 while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
612 pair_stateless_free(pair);
621 void MC_print_statistics(mc_stats_t stats)
623 //XBT_INFO("State space size ~= %lu", stats->state_size);
624 XBT_INFO("Expanded states = %lu", stats->expanded_states);
625 XBT_INFO("Visited states = %lu", stats->visited_states);
626 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
627 XBT_INFO("Expanded / Visited = %lf",
628 (double) stats->visited_states / stats->expanded_states);
629 /*XBT_INFO("Exploration coverage = %lf",
630 (double)stats->expanded_states / stats->state_size); */
633 void MC_print_statistics_pairs(mc_stats_pair_t stats)
635 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
636 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
637 //XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
638 XBT_INFO("Expanded / Visited = %lf",
639 (double) stats->visited_pairs / stats->expanded_pairs);
641 if(mmalloc_get_current_heap() == raw_heap)
645 void MC_assert(int prop)
647 if (MC_is_active() && !prop){
648 XBT_INFO("**************************");
649 XBT_INFO("*** PROPERTY NOT VALID ***");
650 XBT_INFO("**************************");
651 XBT_INFO("Counter-example execution trace:");
652 MC_dump_stack_safety(mc_stack_safety);
653 MC_print_statistics(mc_stats);
658 static void MC_assert_pair(int prop){
659 if (MC_is_active() && !prop) {
660 XBT_INFO("**************************");
661 XBT_INFO("*** PROPERTY NOT VALID ***");
662 XBT_INFO("**************************");
663 //XBT_INFO("Counter-example execution trace:");
664 MC_show_stack_liveness(mc_stack_liveness);
665 //MC_dump_snapshot_stack(mc_snapshot_stack);
666 MC_print_statistics_pairs(mc_stats_pair);
671 void MC_process_clock_add(smx_process_t process, double amount)
673 mc_time[process->pid] += amount;
676 double MC_process_clock_get(smx_process_t process)
680 return mc_time[process->pid];
688 void MC_automaton_load(const char *file){
690 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
694 if (_mc_property_automaton == NULL)
695 _mc_property_automaton = xbt_automaton_new();
697 xbt_automaton_load(_mc_property_automaton,file);
706 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
708 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
712 if (_mc_property_automaton == NULL)
713 _mc_property_automaton = xbt_automaton_new();
715 xbt_new_propositional_symbol(_mc_property_automaton,id,fct);
724 /************ MC_ignore ***********/
726 static void ignore_coverage_variables(char *executable, int region_type){
730 char *command = bprintf("objdump --syms %s", executable);
732 fp = popen(command, "r");
735 perror("popen failed");
743 xbt_dynar_t line_tokens = NULL;
744 unsigned long int size, offset;
747 while ((read = getline(&line, &n, fp)) != -1){
752 /* Wipeout the new line character */
753 line[read - 1] = '\0';
755 xbt_str_strip_spaces(line);
756 xbt_str_ltrim(line, NULL);
758 line_tokens = xbt_str_split(line, NULL);
760 if(xbt_dynar_length(line_tokens) < 3 || strcmp(xbt_dynar_get_as(line_tokens, 0, char *), "SYMBOL") == 0)
763 if(((strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char *), "gcov", 4) == 0)
764 || (strncmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 1, char *), "__gcov", 6) == 0))
765 && (((strcmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 3, char *), ".bss") == 0)
766 || (strcmp(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 3, char *), ".data") == 0)))){
767 if(region_type == 1){ /* libsimgrid */
768 offset = strtoul(xbt_dynar_get_as(line_tokens, 0, char*), NULL, 16);
769 size = strtoul(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 2, char *), NULL, 16);
770 //XBT_DEBUG("Add ignore at address %p (size %lu)", (char *)start_text_libsimgrid+offset, size);
771 MC_ignore_data_bss((char *)start_text_libsimgrid+offset, size);
773 address = (void *)strtoul(xbt_dynar_get_as(line_tokens, 0, char*), NULL, 16);
774 size = strtoul(xbt_dynar_get_as(line_tokens, xbt_dynar_length(line_tokens) - 2, char *), NULL, 16);
775 //XBT_DEBUG("Add ignore at address %p (size %lu)", address, size);
776 MC_ignore_data_bss(address, size);
780 xbt_dynar_free(&line_tokens);
790 void MC_ignore_heap(void *address, size_t size){
792 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
796 if(mc_heap_comparison_ignore == NULL)
797 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), NULL);
799 mc_heap_ignore_region_t region = NULL;
800 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
801 region->address = address;
804 if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_SIZE))){
806 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
808 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
809 region->fragment = -1;
811 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
816 unsigned int cursor = 0;
817 mc_heap_ignore_region_t current_region;
818 xbt_dynar_foreach(mc_heap_comparison_ignore, cursor, current_region){
819 if(current_region->address > address)
823 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
831 void MC_ignore_data_bss(void *address, size_t size){
833 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
837 if(mc_data_bss_comparison_ignore == NULL)
838 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL);
840 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
842 mc_data_bss_ignore_variable_t var = NULL;
843 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
844 var->address = address;
847 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
851 unsigned int cursor = 0;
853 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
854 mc_data_bss_ignore_variable_t current_var = NULL;
857 cursor = (start + end) / 2;
858 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
859 if(current_var->address == address){
865 if(current_var->address < address)
867 if(current_var->address > address)
871 mc_data_bss_ignore_variable_t var = NULL;
872 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
873 var->address = address;
876 if(current_var->address < address)
877 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
879 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
889 void MC_ignore_stack(const char *var_name, const char *frame){
891 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
895 if(mc_stack_comparison_ignore == NULL)
896 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL);
898 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
900 mc_stack_ignore_variable_t var = NULL;
901 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
902 var->var_name = strdup(var_name);
903 var->frame = strdup(frame);
905 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
909 unsigned int cursor = 0;
911 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
912 mc_stack_ignore_variable_t current_var = NULL;
915 cursor = (start + end) / 2;
916 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
917 if(strcmp(current_var->frame, frame) == 0){
918 if(strcmp(current_var->var_name, var_name) == 0){
924 if(strcmp(current_var->var_name, var_name) < 0)
926 if(strcmp(current_var->var_name, var_name) > 0)
929 if(strcmp(current_var->frame, frame) < 0)
931 if(strcmp(current_var->frame, frame) > 0)
935 mc_stack_ignore_variable_t var = NULL;
936 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
937 var->var_name = strdup(var_name);
938 var->frame = strdup(frame);
940 if(strcmp(current_var->frame, frame) < 0)
941 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
943 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
954 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
956 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
959 if(stacks_areas == NULL)
960 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
962 stack_region_t region = NULL;
963 region = xbt_new0(s_stack_region_t, 1);
964 region->address = stack;
965 region->process_name = strdup(name);
966 region->context = context;
968 xbt_dynar_push(stacks_areas, ®ion);
976 /************ DWARF ***********/
978 xbt_dict_t MC_get_location_list(const char *elf_file){
980 char *command = bprintf("objdump -Wo %s", elf_file);
982 FILE *fp = popen(command, "r");
985 perror("popen for objdump failed");
989 int debug = 0; /*Detect if the program has been compiled with -g */
991 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
992 char *line = NULL, *loc_expr = NULL;
996 xbt_dynar_t split = NULL;
998 while ((read = getline(&line, &n, fp)) != -1) {
1000 /* Wipeout the new line character */
1001 line[read - 1] = '\0';
1003 xbt_str_trim(line, NULL);
1008 if(strlen(line) == 0)
1013 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
1016 if(strncmp(line, "Contents", 8) == 0)
1019 if(strncmp(line, "Offset", 6) == 0){
1026 XBT_INFO("Your program must be compiled with -g");
1030 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
1032 xbt_str_strip_spaces(line);
1033 split = xbt_str_split(line, " ");
1035 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
1037 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
1038 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
1039 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
1042 while(cursor_remove < 3){
1043 xbt_dynar_remove_at(split, 0, NULL);
1047 loc_expr = xbt_str_join(split, " ");
1048 xbt_str_ltrim(loc_expr, "(");
1049 xbt_str_rtrim(loc_expr, ")");
1050 new_entry->location = get_location(NULL, loc_expr);
1052 xbt_dynar_push(loclist, &new_entry);
1054 xbt_dynar_free(&split);
1057 read = getline(&line, &n, fp);
1059 line[read - 1] = '\0';
1060 xbt_str_strip_spaces(line);
1061 split = xbt_str_split(line, " ");
1067 char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
1068 xbt_dict_set(location_list, key, loclist, NULL);
1070 xbt_dynar_free(&split);
1078 return location_list;
1081 char *get_libsimgrid_path(){
1083 char *command = bprintf("ldd %s", xbt_binary_name);
1085 FILE *fp = popen(command, "r");
1088 perror("popen for ldd failed");
1097 while((read = getline(&line, &n, fp)) != -1){
1102 /* Wipeout the new line character */
1103 line[read - 1] = '\0';
1105 xbt_str_strip_spaces(line);
1106 xbt_str_ltrim(line, NULL);
1107 split = xbt_str_split(line, " ");
1109 if(strncmp((char *)xbt_dynar_get_as(split, 0, char *), "libsimgrid.so", 13) == 0){
1113 return ((char *)xbt_dynar_get_as(split, 2, char *));
1116 xbt_dynar_free(&split);
1128 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
1130 xbt_dict_cursor_t cursor = NULL;
1134 xbt_dict_foreach(all_variables, cursor, name, res) {
1135 if(offset >= res->start && offset < res->end)
1143 void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){
1145 char *command = bprintf("objdump -Wi %s", elf_file);
1147 FILE *fp = popen(command, "r");
1150 perror("popen for objdump failed");
1152 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL;
1155 int valid_variable = 1;
1156 char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL;
1157 xbt_dynar_t split = NULL, split2 = NULL;
1159 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL);
1160 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL);
1161 char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL;
1162 int new_frame = 0, new_variable = 0;
1163 dw_frame_t variable_frame, subroutine_frame = NULL;
1165 read = getline(&line, &n, fp);
1167 while (read != -1) {
1170 read = getline(&line, &n, fp);
1174 /* Wipeout the new line character */
1175 line[read - 1] = '\0';
1177 if(strlen(line) == 0){
1178 read = getline(&line, &n, fp);
1182 xbt_str_ltrim(line, NULL);
1183 xbt_str_strip_spaces(line);
1186 read = getline(&line, &n, fp);
1190 xbt_dynar_free(&split);
1191 split = xbt_str_split(line, " ");
1194 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1196 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
1198 dw_frame_t frame = NULL;
1200 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1201 subprogram_start = strdup(strtok(NULL, "<"));
1202 xbt_str_rtrim(subprogram_start, ">:");
1204 read = getline(&line, &n, fp);
1209 read = getline(&line, &n, fp);
1213 /* Wipeout the new line character */
1214 line[read - 1] = '\0';
1216 if(strlen(line) == 0){
1217 read = getline(&line, &n, fp);
1221 xbt_dynar_free(&split);
1222 xbt_str_rtrim(line, NULL);
1223 xbt_str_strip_spaces(line);
1224 split = xbt_str_split(line, " ");
1226 node_type = xbt_dynar_get_as(split, 1, char *);
1228 if(strncmp(node_type, "DW_AT_", 6) != 0)
1231 if(strcmp(node_type, "DW_AT_sibling") == 0){
1233 subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*));
1234 xbt_str_ltrim(subprogram_end, "<0x");
1235 xbt_str_rtrim(subprogram_end, ">");
1237 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
1240 abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*));
1241 xbt_str_ltrim(abstract_origin, "<0x");
1242 xbt_str_rtrim(abstract_origin, ">");
1243 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
1244 frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1246 }else if(strcmp(node_type, "DW_AT_name") == 0){
1249 free(current_frame);
1250 frame = xbt_new0(s_dw_frame_t, 1);
1251 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1252 frame->variables = xbt_dict_new_homogeneous(NULL);
1253 frame->frame_base = xbt_new0(s_dw_location_t, 1);
1254 current_frame = strdup(frame->name);
1256 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1258 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
1260 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1262 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1264 frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1268 xbt_str_strip_spaces(line);
1269 split2 = xbt_str_split(line, "(");
1270 xbt_dynar_remove_at(split2, 0, NULL);
1271 loc_expr = xbt_str_join(split2, " ");
1272 xbt_str_rtrim(loc_expr, ")");
1273 frame->frame_base = get_location(NULL, loc_expr);
1274 xbt_dynar_free(&split2);
1278 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1281 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1283 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1286 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1288 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
1291 free(current_frame);
1292 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1293 current_frame = strdup(frame->name);
1294 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1298 read = getline(&line, &n, fp);
1303 frame->start = strtoul(subprogram_start, NULL, 16);
1304 if(subprogram_end != NULL)
1305 frame->end = strtoul(subprogram_end, NULL, 16);
1306 xbt_dict_set(*all_variables, frame->name, frame, NULL);
1309 free(subprogram_start);
1310 if(subprogram_end != NULL){
1311 free(subprogram_end);
1312 subprogram_end = NULL;
1316 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
1318 dw_local_variable_t var = NULL;
1320 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1321 origin = strdup(strtok(NULL, "<"));
1322 xbt_str_rtrim(origin, ">:");
1324 read = getline(&line, &n, fp);
1329 read = getline(&line, &n, fp);
1333 /* Wipeout the new line character */
1334 line[read - 1] = '\0';
1336 if(strlen(line) == 0){
1337 read = getline(&line, &n, fp);
1341 xbt_dynar_free(&split);
1342 xbt_str_rtrim(line, NULL);
1343 xbt_str_strip_spaces(line);
1344 split = xbt_str_split(line, " ");
1346 node_type = xbt_dynar_get_as(split, 1, char *);
1348 if(strncmp(node_type, "DW_AT_", 6) != 0)
1351 if(strcmp(node_type, "DW_AT_name") == 0){
1354 var = xbt_new0(s_dw_local_variable_t, 1);
1355 var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1357 xbt_dict_set(variables_origin, origin, var->name, NULL);
1359 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1362 abstract_origin = xbt_dynar_get_as(split, 2, char *);
1363 xbt_str_ltrim(abstract_origin, "<0x");
1364 xbt_str_rtrim(abstract_origin, ">");
1366 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
1367 variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16));
1368 var = xbt_dict_get_or_null(variable_frame->variables, variable_name);
1370 }else if(strcmp(node_type, "DW_AT_location") == 0){
1372 if(valid_variable == 1 && var != NULL){
1374 var->location = xbt_new0(s_dw_location_t, 1);
1376 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1378 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1380 var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1384 xbt_str_strip_spaces(line);
1385 split2 = xbt_str_split(line, "(");
1386 xbt_dynar_remove_at(split2, 0, NULL);
1387 loc_expr = xbt_str_join(split2, " ");
1388 xbt_str_rtrim(loc_expr, ")");
1389 var->location = get_location(NULL, loc_expr);
1390 xbt_dynar_free(&split2);
1396 }else if(strcmp(node_type, "DW_AT_external") == 0){
1402 read = getline(&line, &n, fp);
1406 if(new_variable == 1 && valid_variable == 1){
1408 variable_frame = xbt_dict_get_or_null(*all_variables, current_frame);
1409 xbt_dict_set(variable_frame->variables, var->name, var, NULL);
1415 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
1417 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1418 origin = strdup(strtok(NULL, "<"));
1419 xbt_str_rtrim(origin, ">:");
1421 read = getline(&line, &n, fp);
1425 /* Wipeout the new line character */
1426 line[read - 1] = '\0';
1429 read = getline(&line, &n, fp);
1433 if(strlen(line) == 0){
1434 read = getline(&line, &n, fp);
1438 xbt_dynar_free(&split);
1439 xbt_str_rtrim(line, NULL);
1440 xbt_str_strip_spaces(line);
1441 split = xbt_str_split(line, " ");
1443 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
1446 node_type = xbt_dynar_get_as(split, 1, char *);
1448 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1450 origin = xbt_dynar_get_as(split, 2, char *);
1451 xbt_str_ltrim(origin, "<0x");
1452 xbt_str_rtrim(origin, ">");
1454 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
1455 subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1457 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1459 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1461 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1463 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1466 read = getline(&line, &n, fp);
1472 read = getline(&line, &n, fp);
1478 xbt_dynar_free(&split);
1485 static dw_location_t get_location(xbt_dict_t location_list, char *expr){
1487 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
1489 if(location_list != NULL){
1491 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
1492 loc->type = e_dw_loclist;
1493 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
1495 XBT_INFO("Key not found in loclist");
1501 char *tok = NULL, *tok2 = NULL;
1503 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
1504 xbt_dynar_t tokens2;
1506 loc->type = e_dw_compose;
1507 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
1509 while(cursor < xbt_dynar_length(tokens1)){
1511 tok = xbt_dynar_get_as(tokens1, cursor, char*);
1512 tokens2 = xbt_str_split(tok, " ");
1513 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
1515 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
1516 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1517 new_element->type = e_dw_register;
1518 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
1519 xbt_dynar_push(loc->location.compose, &new_element);
1520 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
1521 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1522 new_element->type = e_dw_fbregister_op;
1523 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1524 xbt_dynar_push(loc->location.compose, &new_element);
1525 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
1526 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1527 new_element->type = e_dw_bregister_op;
1528 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
1529 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1530 xbt_dynar_push(loc->location.compose, &new_element);
1531 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
1532 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1533 new_element->type = e_dw_lit;
1534 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
1535 xbt_dynar_push(loc->location.compose, &new_element);
1536 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
1537 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1538 new_element->type = e_dw_piece;
1539 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1540 /*if(strlen(xbt_dynar_get_as(tokens2, 1, char*)) > 1)
1541 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1543 new_element->location.piece = xbt_dynar_get_as(tokens2, 1, char*)[0] - '0';*/
1544 xbt_dynar_push(loc->location.compose, &new_element);
1545 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
1546 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1547 new_element->type = e_dw_plus_uconst;
1548 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, 1, char *));
1549 xbt_dynar_push(loc->location.compose, &new_element);
1550 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
1551 strcmp(tok, "DW_OP_and") == 0 ||
1552 strcmp(tok, "DW_OP_div") == 0 ||
1553 strcmp(tok, "DW_OP_minus") == 0 ||
1554 strcmp(tok, "DW_OP_mod") == 0 ||
1555 strcmp(tok, "DW_OP_mul") == 0 ||
1556 strcmp(tok, "DW_OP_neg") == 0 ||
1557 strcmp(tok, "DW_OP_not") == 0 ||
1558 strcmp(tok, "DW_OP_or") == 0 ||
1559 strcmp(tok, "DW_OP_plus") == 0){
1560 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1561 new_element->type = e_dw_arithmetic;
1562 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
1563 xbt_dynar_push(loc->location.compose, &new_element);
1564 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
1565 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
1566 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1567 new_element->type = e_dw_deref;
1568 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, 1, char*));
1569 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1570 new_element->location.deref_size = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1572 new_element->location.deref_size = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1573 xbt_dynar_push(loc->location.compose, &new_element);
1574 }else if(strcmp(tok, "DW_OP_deref") == 0){
1575 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1576 new_element->type = e_dw_deref;
1577 new_element->location.deref_size = sizeof(void *);
1578 xbt_dynar_push(loc->location.compose, &new_element);
1579 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
1580 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1581 new_element->type = e_dw_uconstant;
1582 new_element->location.uconstant.bytes = 1;
1583 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1584 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1585 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens, cursor, char*)));
1587 new_element->location.uconstant.value = (unsigned long int)(xbt_dynar_get_as(tokens, cursor, char*)[0] - '0');*/
1588 xbt_dynar_push(loc->location.compose, &new_element);
1589 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
1590 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1591 new_element->type = e_dw_sconstant;
1592 new_element->location.sconstant.bytes = 1;
1593 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1594 xbt_dynar_push(loc->location.compose, &new_element);
1595 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
1596 strcmp(tok2, "DW_OP_const2u:") == 0 ||
1597 strcmp(tok2, "DW_OP_const4u:") == 0 ||
1598 strcmp(tok2, "DW_OP_const8u:") == 0){
1599 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1600 new_element->type = e_dw_uconstant;
1601 new_element->location.uconstant.bytes = tok2[11] - '0';
1602 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1603 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1604 new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1606 new_element->location.constant.value = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1607 xbt_dynar_push(loc->location.compose, &new_element);
1608 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
1609 strcmp(tok, "DW_OP_const2s") == 0 ||
1610 strcmp(tok, "DW_OP_const4s") == 0 ||
1611 strcmp(tok, "DW_OP_const8s") == 0){
1612 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1613 new_element->type = e_dw_sconstant;
1614 new_element->location.sconstant.bytes = tok2[11] - '0';
1615 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1616 xbt_dynar_push(loc->location.compose, &new_element);
1618 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1619 new_element->type = e_dw_unsupported;
1620 xbt_dynar_push(loc->location.compose, &new_element);
1624 xbt_dynar_free(&tokens2);
1628 xbt_dynar_free(&tokens1);
1637 void print_local_variables(xbt_dict_t list){
1639 dw_location_entry_t entry;
1640 dw_location_t location_entry;
1641 unsigned int cursor3 = 0, cursor4 = 0;
1642 xbt_dict_cursor_t cursor = 0, cursor2 = 0;
1644 char *frame_name, *variable_name;
1645 dw_frame_t current_frame;
1646 dw_local_variable_t current_variable;
1648 xbt_dict_foreach(list, cursor, frame_name, current_frame){
1649 fprintf(stderr, "Frame name : %s\n", current_frame->name);
1650 fprintf(stderr, "Location type : %d\n", current_frame->frame_base->type);
1651 xbt_dict_foreach((xbt_dict_t)current_frame->variables, cursor2, variable_name, current_variable){
1652 fprintf(stderr, "Name : %s\n", current_variable->name);
1653 if(current_variable->location == NULL)
1655 fprintf(stderr, "Location type : %d\n", current_variable->location->type);
1656 switch(current_variable->location->type){
1658 xbt_dynar_foreach(current_variable->location->location.loclist, cursor3, entry){
1659 fprintf(stderr, "Lowpc : %lx, Highpc : %lx,", entry->lowpc, entry->highpc);
1660 switch(entry->location->type){
1661 case e_dw_register :
1662 fprintf(stderr, " Location : in register %d\n", entry->location->location.reg);
1664 case e_dw_bregister_op:
1665 fprintf(stderr, " Location : Add %d to the value in register %d\n", entry->location->location.breg_op.offset, entry->location->location.breg_op.reg);
1668 fprintf(stderr, "Value already kwnown : %d\n", entry->location->location.lit);
1670 case e_dw_fbregister_op:
1671 fprintf(stderr, " Location : %d bytes from logical frame pointer\n", entry->location->location.fbreg_op);
1674 fprintf(stderr, " Location :\n");
1675 xbt_dynar_foreach(entry->location->location.compose, cursor4, location_entry){
1676 switch(location_entry->type){
1677 case e_dw_register :
1678 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1680 case e_dw_bregister_op:
1681 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);
1684 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1686 case e_dw_fbregister_op:
1687 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1690 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);
1692 case e_dw_arithmetic :
1693 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1696 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1698 case e_dw_uconstant :
1699 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1701 case e_dw_sconstant :
1702 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1705 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1711 fprintf(stderr, "Location type not supported\n");
1718 fprintf(stderr, "Location :\n");
1719 xbt_dynar_foreach(current_variable->location->location.compose, cursor4, location_entry){
1720 switch(location_entry->type){
1721 case e_dw_register :
1722 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1724 case e_dw_bregister_op:
1725 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);
1728 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1730 case e_dw_fbregister_op:
1731 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1734 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);
1736 case e_dw_arithmetic :
1737 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1740 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1742 case e_dw_uconstant :
1743 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1745 case e_dw_sconstant :
1746 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1749 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1755 fprintf(stderr, "Location type not supported\n");