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_stateful(const char *name, int pos) {
75 if (_surf_init_status && !_surf_do_model_check) {
76 xbt_die("You are trying to change stateful mode 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_stateful= 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);
119 void MC_do_the_modelcheck_for_real() {
120 if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
121 if (mc_reduce_kind==e_mc_reduce_unset)
122 mc_reduce_kind=e_mc_reduce_dpor;
124 XBT_INFO("Check a safety property");
125 MC_modelcheck_safety();
129 if (mc_reduce_kind==e_mc_reduce_unset)
130 mc_reduce_kind=e_mc_reduce_none;
132 XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
133 MC_automaton_load(_surf_mc_property_file);
134 MC_modelcheck_liveness();
139 void MC_compare(void){
145 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
147 mc_time = xbt_new0(double, simix_process_maxpid);
149 /* mc_time refers to clock for each process -> ignore it for heap comparison */
151 for(i = 0; i<simix_process_maxpid; i++)
152 MC_ignore_heap(&(mc_time[i]), sizeof(double));
156 /* Initialize the data structures that must be persistent across every
157 iteration of the model-checker (in RAW memory) */
161 char *ls_path = get_libsimgrid_path();
163 mc_local_variables = xbt_dict_new_homogeneous(NULL);
165 /* Get local variables in binary for state equality detection */
166 xbt_dict_t binary_location_list = MC_get_location_list(xbt_binary_name);
167 MC_get_local_variables(xbt_binary_name, binary_location_list, &mc_local_variables);
169 /* Get local variables in libsimgrid for state equality detection */
170 xbt_dict_t libsimgrid_location_list = MC_get_location_list(ls_path);
171 MC_get_local_variables(ls_path, libsimgrid_location_list, &mc_local_variables);
175 MC_init_memory_map_info();
177 /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
178 get_libsimgrid_plt_section();
179 get_binary_plt_section();
186 void MC_modelcheck_safety(void)
188 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
190 /* Check if MC is already initialized */
191 if (initial_state_safety)
194 mc_time = xbt_new0(double, simix_process_maxpid);
196 /* Initialize the data structures that must be persistent across every
197 iteration of the model-checker (in RAW memory) */
201 /* Initialize statistics */
202 mc_stats = xbt_new0(s_mc_stats_t, 1);
203 mc_stats->state_size = 1;
205 /* Create exploration stack */
206 mc_stack_safety = xbt_fifo_new();
210 if(_surf_mc_stateful > 0){
213 MC_init_memory_map_info();
214 get_libsimgrid_plt_section();
215 get_binary_plt_section();
221 /* Save the initial state */
222 initial_state_safety = xbt_new0(s_mc_global_t, 1);
223 initial_state_safety->snapshot = MC_take_snapshot();
224 //MC_take_snapshot(initial_snapshot);
235 void MC_modelcheck_liveness(){
237 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
243 /* Initialize statistics */
244 mc_stats_pair = xbt_new0(s_mc_stats_pair_t, 1);
246 /* Create exploration stack */
247 mc_stack_liveness = xbt_fifo_new();
249 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
256 MC_print_statistics_pairs(mc_stats_pair);
267 MC_print_statistics(mc_stats);
273 int MC_random(int min, int max)
275 /*FIXME: return mc_current_state->executed_transition->random.value;*/
280 * \brief Schedules all the process that are ready to run
282 void MC_wait_for_requests(void)
284 smx_process_t process;
288 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
289 SIMIX_process_runall();
290 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
291 req = &process->simcall;
292 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
293 SIMIX_simcall_pre(req, 0);
298 int MC_deadlock_check()
300 int deadlock = FALSE;
301 smx_process_t process;
302 if(xbt_swag_size(simix_global->process_list)){
304 xbt_swag_foreach(process, simix_global->process_list){
305 if(process->simcall.call != SIMCALL_NONE
306 && MC_request_is_enabled(&process->simcall)){
316 * \brief Re-executes from the state at position start all the transitions indicated by
317 * a given model-checker stack.
318 * \param stack The stack with the transitions to execute.
319 * \param start Start index to begin the re-execution.
321 void MC_replay(xbt_fifo_t stack, int start)
323 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
327 smx_simcall_t req = NULL, saved_req = NULL;
328 xbt_fifo_item_t item, start_item;
331 XBT_DEBUG("**** Begin Replay ****");
334 /* Restore the initial state */
335 MC_restore_snapshot(initial_state_safety->snapshot);
336 /* At the moment of taking the snapshot the raw heap was set, so restoring
337 * it will set it back again, we have to unset it to continue */
341 start_item = xbt_fifo_get_last_item(stack);
344 start_item = xbt_fifo_get_prev_item(start_item);
349 /* Traverse the stack from the state at position start and re-execute the transitions */
350 for (item = start_item;
351 item != xbt_fifo_get_first_item(stack);
352 item = xbt_fifo_get_prev_item(item)) {
354 state = (mc_state_t) xbt_fifo_get_item_content(item);
355 saved_req = MC_state_get_executed_request(state, &value);
358 /* because we got a copy of the executed request, we have to fetch the
359 real one, pointed by the request field of the issuer process */
360 req = &saved_req->issuer->simcall;
362 /* Debug information */
363 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
364 req_str = MC_request_to_string(req, value);
365 XBT_DEBUG("Replay: %s (%p)", req_str, state);
370 SIMIX_simcall_pre(req, value);
371 MC_wait_for_requests();
373 /* Update statistics */
374 mc_stats->visited_states++;
375 mc_stats->executed_transitions++;
377 XBT_DEBUG("**** End Replay ****");
387 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
390 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
394 smx_simcall_t req = NULL, saved_req = NULL;
395 xbt_fifo_item_t item;
397 mc_pair_stateless_t pair;
400 XBT_DEBUG("**** Begin Replay ****");
402 /* Restore the initial state */
403 MC_restore_snapshot(initial_state_liveness->snapshot);
405 /* At the moment of taking the snapshot the raw heap was set, so restoring
406 * it will set it back again, we have to unset it to continue */
407 if(!initial_state_liveness->raw_mem_set)
412 item = xbt_fifo_get_last_item(stack);
414 while(depth <= xbt_fifo_size(stack)){
416 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
417 state = (mc_state_t) pair->graph_state;
419 if(pair->requests > 0){
421 saved_req = MC_state_get_executed_request(state, &value);
422 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
424 if(saved_req != NULL){
425 /* because we got a copy of the executed request, we have to fetch the
426 real one, pointed by the request field of the issuer process */
427 req = &saved_req->issuer->simcall;
428 //XBT_DEBUG("Req->call %u", req->call);
430 /* Debug information */
431 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
432 req_str = MC_request_to_string(req, value);
433 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
439 SIMIX_simcall_pre(req, value);
440 MC_wait_for_requests();
445 /* Update statistics */
446 mc_stats_pair->visited_pairs++;
448 item = xbt_fifo_get_prev_item(item);
453 /* Traverse the stack from the initial state and re-execute the transitions */
454 for (item = xbt_fifo_get_last_item(stack);
455 item != xbt_fifo_get_first_item(stack);
456 item = xbt_fifo_get_prev_item(item)) {
458 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
459 state = (mc_state_t) pair->graph_state;
461 if(pair->requests > 0){
463 saved_req = MC_state_get_executed_request(state, &value);
464 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
466 if(saved_req != NULL){
467 /* because we got a copy of the executed request, we have to fetch the
468 real one, pointed by the request field of the issuer process */
469 req = &saved_req->issuer->simcall;
470 //XBT_DEBUG("Req->call %u", req->call);
472 /* Debug information */
473 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
474 req_str = MC_request_to_string(req, value);
475 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
481 SIMIX_simcall_pre(req, value);
482 MC_wait_for_requests();
487 /* Update statistics */
488 mc_stats_pair->visited_pairs++;
492 XBT_DEBUG("**** End Replay ****");
494 if(initial_state_liveness->raw_mem_set)
502 * \brief Dumps the contents of a model-checker's stack and shows the actual
504 * \param stack The stack to dump
506 void MC_dump_stack_safety(xbt_fifo_t stack)
509 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
511 MC_show_stack_safety(stack);
513 if(!_surf_mc_checkpoint){
518 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
519 MC_state_delete(state);
532 void MC_show_stack_safety(xbt_fifo_t stack)
536 xbt_fifo_item_t item;
538 char *req_str = NULL;
540 for (item = xbt_fifo_get_last_item(stack);
541 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
542 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
543 req = MC_state_get_executed_request(state, &value);
545 req_str = MC_request_to_string(req, value);
546 XBT_INFO("%s", req_str);
552 void MC_show_deadlock(smx_simcall_t req)
554 /*char *req_str = NULL;*/
555 XBT_INFO("**************************");
556 XBT_INFO("*** DEAD-LOCK DETECTED ***");
557 XBT_INFO("**************************");
558 XBT_INFO("Locked request:");
559 /*req_str = MC_request_to_string(req);
560 XBT_INFO("%s", req_str);
562 XBT_INFO("Counter-example execution trace:");
563 MC_dump_stack_safety(mc_stack_safety);
567 void MC_show_stack_liveness(xbt_fifo_t stack){
569 mc_pair_stateless_t pair;
570 xbt_fifo_item_t item;
572 char *req_str = NULL;
574 for (item = xbt_fifo_get_last_item(stack);
575 (item ? (pair = (mc_pair_stateless_t) (xbt_fifo_get_item_content(item)))
576 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
577 req = MC_state_get_executed_request(pair->graph_state, &value);
579 if(pair->requests>0){
580 req_str = MC_request_to_string(req, value);
581 XBT_INFO("%s", req_str);
584 XBT_INFO("End of system requests but evolution in Büchi automaton");
590 void MC_dump_stack_liveness(xbt_fifo_t stack){
592 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
594 mc_pair_stateless_t pair;
597 while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
598 pair_stateless_free(pair);
607 void MC_print_statistics(mc_stats_t stats)
609 //XBT_INFO("State space size ~= %lu", stats->state_size);
610 XBT_INFO("Expanded states = %lu", stats->expanded_states);
611 XBT_INFO("Visited states = %lu", stats->visited_states);
612 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
613 XBT_INFO("Expanded / Visited = %lf",
614 (double) stats->visited_states / stats->expanded_states);
615 /*XBT_INFO("Exploration coverage = %lf",
616 (double)stats->expanded_states / stats->state_size); */
619 void MC_print_statistics_pairs(mc_stats_pair_t stats)
621 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
622 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
623 //XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
624 XBT_INFO("Expanded / Visited = %lf",
625 (double) stats->visited_pairs / stats->expanded_pairs);
627 if(mmalloc_get_current_heap() == raw_heap)
631 void MC_assert(int prop)
633 if (MC_is_active() && !prop){
634 XBT_INFO("**************************");
635 XBT_INFO("*** PROPERTY NOT VALID ***");
636 XBT_INFO("**************************");
637 XBT_INFO("Counter-example execution trace:");
638 MC_dump_stack_safety(mc_stack_safety);
639 MC_print_statistics(mc_stats);
644 static void MC_assert_pair(int prop){
645 if (MC_is_active() && !prop) {
646 XBT_INFO("**************************");
647 XBT_INFO("*** PROPERTY NOT VALID ***");
648 XBT_INFO("**************************");
649 //XBT_INFO("Counter-example execution trace:");
650 MC_show_stack_liveness(mc_stack_liveness);
651 //MC_dump_snapshot_stack(mc_snapshot_stack);
652 MC_print_statistics_pairs(mc_stats_pair);
657 void MC_process_clock_add(smx_process_t process, double amount)
659 mc_time[process->pid] += amount;
662 double MC_process_clock_get(smx_process_t process)
666 return mc_time[process->pid];
674 void MC_automaton_load(const char *file){
676 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
680 if (_mc_property_automaton == NULL)
681 _mc_property_automaton = xbt_automaton_new();
683 xbt_automaton_load(_mc_property_automaton,file);
692 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
694 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
698 if (_mc_property_automaton == NULL)
699 _mc_property_automaton = xbt_automaton_new();
701 xbt_new_propositional_symbol(_mc_property_automaton,id,fct);
710 /************ MC_ignore ***********/
712 void MC_ignore_heap(void *address, size_t size){
714 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
718 if(mc_heap_comparison_ignore == NULL)
719 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), NULL);
721 mc_heap_ignore_region_t region = NULL;
722 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
723 region->address = address;
726 if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_SIZE))){
728 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
730 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
731 region->fragment = -1;
733 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
738 unsigned int cursor = 0;
739 mc_heap_ignore_region_t current_region;
740 xbt_dynar_foreach(mc_heap_comparison_ignore, cursor, current_region){
741 if(current_region->address > address)
745 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
753 void MC_ignore_data_bss(void *address, size_t size){
755 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
759 if(mc_data_bss_comparison_ignore == NULL)
760 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL);
762 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
764 mc_data_bss_ignore_variable_t var = NULL;
765 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
766 var->address = address;
769 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
773 unsigned int cursor = 0;
775 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
776 mc_data_bss_ignore_variable_t current_var = NULL;
779 cursor = (start + end) / 2;
780 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
781 if(current_var->address == address){
787 if(current_var->address < address)
789 if(current_var->address > address)
793 mc_data_bss_ignore_variable_t var = NULL;
794 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
795 var->address = address;
798 if(current_var->address > address)
799 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
801 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
811 void MC_ignore_stack(const char *var_name, const char *frame){
813 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
817 if(mc_stack_comparison_ignore == NULL)
818 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL);
820 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
822 mc_stack_ignore_variable_t var = NULL;
823 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
824 var->var_name = strdup(var_name);
825 var->frame = strdup(frame);
827 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
831 unsigned int cursor = 0;
833 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
834 mc_stack_ignore_variable_t current_var = NULL;
837 cursor = (start + end) / 2;
838 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
839 if(strcmp(current_var->frame, frame) == 0){
840 if(strcmp(current_var->var_name, var_name) == 0){
846 if(strcmp(current_var->var_name, var_name) < 0)
848 if(strcmp(current_var->var_name, var_name) > 0)
851 if(strcmp(current_var->frame, frame) < 0)
853 if(strcmp(current_var->frame, frame) > 0)
857 mc_stack_ignore_variable_t var = NULL;
858 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
859 var->var_name = strdup(var_name);
860 var->frame = strdup(frame);
862 if(strcmp(current_var->frame, frame) < 0)
863 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
865 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
876 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
878 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
881 if(stacks_areas == NULL)
882 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
884 stack_region_t region = NULL;
885 region = xbt_new0(s_stack_region_t, 1);
886 region->address = stack;
887 region->process_name = strdup(name);
888 region->context = context;
890 xbt_dynar_push(stacks_areas, ®ion);
898 /************ DWARF ***********/
900 xbt_dict_t MC_get_location_list(const char *elf_file){
902 char *command = bprintf("objdump -Wo %s", elf_file);
904 FILE *fp = popen(command, "r");
907 perror("popen for objdump failed");
909 int debug = 0; /*Detect if the program has been compiled with -g */
911 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
912 char *line = NULL, *loc_expr = NULL;
916 xbt_dynar_t split = NULL;
918 while ((read = getline(&line, &n, fp)) != -1) {
920 /* Wipeout the new line character */
921 line[read - 1] = '\0';
923 xbt_str_trim(line, NULL);
928 if(strlen(line) == 0)
933 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
936 if(strncmp(line, "Contents", 8) == 0)
939 if(strncmp(line, "Offset", 6) == 0){
946 XBT_INFO("Your program must be compiled with -g");
950 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
952 xbt_str_strip_spaces(line);
953 split = xbt_str_split(line, " ");
955 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
957 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
958 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
959 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
962 while(cursor_remove < 3){
963 xbt_dynar_remove_at(split, 0, NULL);
967 loc_expr = xbt_str_join(split, " ");
968 xbt_str_ltrim(loc_expr, "(");
969 xbt_str_rtrim(loc_expr, ")");
970 new_entry->location = get_location(NULL, loc_expr);
972 xbt_dynar_push(loclist, &new_entry);
974 xbt_dynar_free(&split);
977 read = getline(&line, &n, fp);
979 line[read - 1] = '\0';
980 xbt_str_strip_spaces(line);
981 split = xbt_str_split(line, " ");
987 char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
988 xbt_dict_set(location_list, key, loclist, NULL);
990 xbt_dynar_free(&split);
998 return location_list;
1001 char *get_libsimgrid_path(){
1003 char *command = bprintf("ldd %s", xbt_binary_name);
1005 FILE *fp = popen(command, "r");
1007 perror("popen for ldd failed");
1014 while((read = getline(&line, &n, fp)) != -1){
1019 /* Wipeout the new line character */
1020 line[read - 1] = '\0';
1022 xbt_str_strip_spaces(line);
1023 xbt_str_ltrim(line, NULL);
1024 split = xbt_str_split(line, " ");
1026 if(strncmp((char *)xbt_dynar_get_as(split, 0, char *), "libsimgrid.so", 13) == 0){
1030 return ((char *)xbt_dynar_get_as(split, 2, char *));
1033 xbt_dynar_free(&split);
1045 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
1047 xbt_dict_cursor_t cursor = NULL;
1051 xbt_dict_foreach(all_variables, cursor, name, res) {
1052 if(offset >= res->start && offset < res->end)
1060 void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){
1062 char *command = bprintf("objdump -Wi %s", elf_file);
1064 FILE *fp = popen(command, "r");
1067 perror("popen for objdump failed");
1069 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL;
1072 int valid_variable = 1;
1073 char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL;
1074 xbt_dynar_t split = NULL, split2 = NULL;
1076 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL);
1077 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL);
1078 char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL;
1079 int new_frame = 0, new_variable = 0;
1080 dw_frame_t variable_frame, subroutine_frame = NULL;
1082 read = getline(&line, &n, fp);
1084 while (read != -1) {
1087 read = getline(&line, &n, fp);
1091 /* Wipeout the new line character */
1092 line[read - 1] = '\0';
1094 if(strlen(line) == 0){
1095 read = getline(&line, &n, fp);
1099 xbt_str_ltrim(line, NULL);
1100 xbt_str_strip_spaces(line);
1103 read = getline(&line, &n, fp);
1107 xbt_dynar_free(&split);
1108 split = xbt_str_split(line, " ");
1111 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1113 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
1115 dw_frame_t frame = NULL;
1117 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1118 subprogram_start = strdup(strtok(NULL, "<"));
1119 xbt_str_rtrim(subprogram_start, ">:");
1121 read = getline(&line, &n, fp);
1126 read = getline(&line, &n, fp);
1130 /* Wipeout the new line character */
1131 line[read - 1] = '\0';
1133 if(strlen(line) == 0){
1134 read = getline(&line, &n, fp);
1138 xbt_dynar_free(&split);
1139 xbt_str_rtrim(line, NULL);
1140 xbt_str_strip_spaces(line);
1141 split = xbt_str_split(line, " ");
1143 node_type = xbt_dynar_get_as(split, 1, char *);
1145 if(strncmp(node_type, "DW_AT_", 6) != 0)
1148 if(strcmp(node_type, "DW_AT_sibling") == 0){
1150 subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*));
1151 xbt_str_ltrim(subprogram_end, "<0x");
1152 xbt_str_rtrim(subprogram_end, ">");
1154 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
1157 abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*));
1158 xbt_str_ltrim(abstract_origin, "<0x");
1159 xbt_str_rtrim(abstract_origin, ">");
1160 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
1161 frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1163 }else if(strcmp(node_type, "DW_AT_name") == 0){
1166 free(current_frame);
1167 frame = xbt_new0(s_dw_frame_t, 1);
1168 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1169 frame->variables = xbt_dict_new_homogeneous(NULL);
1170 frame->frame_base = xbt_new0(s_dw_location_t, 1);
1171 current_frame = strdup(frame->name);
1173 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1175 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
1177 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1179 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1181 frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1185 xbt_str_strip_spaces(line);
1186 split2 = xbt_str_split(line, "(");
1187 xbt_dynar_remove_at(split2, 0, NULL);
1188 loc_expr = xbt_str_join(split2, " ");
1189 xbt_str_rtrim(loc_expr, ")");
1190 frame->frame_base = get_location(NULL, loc_expr);
1191 xbt_dynar_free(&split2);
1195 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1198 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1200 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1203 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1205 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
1208 free(current_frame);
1209 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1210 current_frame = strdup(frame->name);
1211 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1215 read = getline(&line, &n, fp);
1220 frame->start = strtoul(subprogram_start, NULL, 16);
1221 if(subprogram_end != NULL)
1222 frame->end = strtoul(subprogram_end, NULL, 16);
1223 xbt_dict_set(*all_variables, frame->name, frame, NULL);
1226 free(subprogram_start);
1227 if(subprogram_end != NULL){
1228 free(subprogram_end);
1229 subprogram_end = NULL;
1233 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
1235 dw_local_variable_t var = NULL;
1237 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1238 origin = strdup(strtok(NULL, "<"));
1239 xbt_str_rtrim(origin, ">:");
1241 read = getline(&line, &n, fp);
1246 read = getline(&line, &n, fp);
1250 /* Wipeout the new line character */
1251 line[read - 1] = '\0';
1253 if(strlen(line) == 0){
1254 read = getline(&line, &n, fp);
1258 xbt_dynar_free(&split);
1259 xbt_str_rtrim(line, NULL);
1260 xbt_str_strip_spaces(line);
1261 split = xbt_str_split(line, " ");
1263 node_type = xbt_dynar_get_as(split, 1, char *);
1265 if(strncmp(node_type, "DW_AT_", 6) != 0)
1268 if(strcmp(node_type, "DW_AT_name") == 0){
1271 var = xbt_new0(s_dw_local_variable_t, 1);
1272 var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1274 xbt_dict_set(variables_origin, origin, var->name, NULL);
1276 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1279 abstract_origin = xbt_dynar_get_as(split, 2, char *);
1280 xbt_str_ltrim(abstract_origin, "<0x");
1281 xbt_str_rtrim(abstract_origin, ">");
1283 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
1284 variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16));
1285 var = xbt_dict_get_or_null(variable_frame->variables, variable_name);
1287 }else if(strcmp(node_type, "DW_AT_location") == 0){
1289 if(valid_variable == 1 && var != NULL){
1291 var->location = xbt_new0(s_dw_location_t, 1);
1293 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1295 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1297 var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1301 xbt_str_strip_spaces(line);
1302 split2 = xbt_str_split(line, "(");
1303 xbt_dynar_remove_at(split2, 0, NULL);
1304 loc_expr = xbt_str_join(split2, " ");
1305 xbt_str_rtrim(loc_expr, ")");
1306 var->location = get_location(NULL, loc_expr);
1307 xbt_dynar_free(&split2);
1313 }else if(strcmp(node_type, "DW_AT_external") == 0){
1319 read = getline(&line, &n, fp);
1323 if(new_variable == 1 && valid_variable == 1){
1325 variable_frame = xbt_dict_get_or_null(*all_variables, current_frame);
1326 xbt_dict_set(variable_frame->variables, var->name, var, NULL);
1332 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
1334 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1335 origin = strdup(strtok(NULL, "<"));
1336 xbt_str_rtrim(origin, ">:");
1338 read = getline(&line, &n, fp);
1342 /* Wipeout the new line character */
1343 line[read - 1] = '\0';
1346 read = getline(&line, &n, fp);
1350 if(strlen(line) == 0){
1351 read = getline(&line, &n, fp);
1355 xbt_dynar_free(&split);
1356 xbt_str_rtrim(line, NULL);
1357 xbt_str_strip_spaces(line);
1358 split = xbt_str_split(line, " ");
1360 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
1363 node_type = xbt_dynar_get_as(split, 1, char *);
1365 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1367 origin = xbt_dynar_get_as(split, 2, char *);
1368 xbt_str_ltrim(origin, "<0x");
1369 xbt_str_rtrim(origin, ">");
1371 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
1372 subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1374 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1376 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1378 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1380 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1383 read = getline(&line, &n, fp);
1389 read = getline(&line, &n, fp);
1395 xbt_dynar_free(&split);
1402 static dw_location_t get_location(xbt_dict_t location_list, char *expr){
1404 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
1406 if(location_list != NULL){
1408 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
1409 loc->type = e_dw_loclist;
1410 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
1412 XBT_INFO("Key not found in loclist");
1418 char *tok = NULL, *tok2 = NULL;
1420 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
1421 xbt_dynar_t tokens2;
1423 loc->type = e_dw_compose;
1424 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
1426 while(cursor < xbt_dynar_length(tokens1)){
1428 tok = xbt_dynar_get_as(tokens1, cursor, char*);
1429 tokens2 = xbt_str_split(tok, " ");
1430 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
1432 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
1433 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1434 new_element->type = e_dw_register;
1435 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
1436 xbt_dynar_push(loc->location.compose, &new_element);
1437 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
1438 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1439 new_element->type = e_dw_fbregister_op;
1440 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1441 xbt_dynar_push(loc->location.compose, &new_element);
1442 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
1443 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1444 new_element->type = e_dw_bregister_op;
1445 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
1446 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1447 xbt_dynar_push(loc->location.compose, &new_element);
1448 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
1449 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1450 new_element->type = e_dw_lit;
1451 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
1452 xbt_dynar_push(loc->location.compose, &new_element);
1453 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
1454 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1455 new_element->type = e_dw_piece;
1456 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1457 /*if(strlen(xbt_dynar_get_as(tokens2, 1, char*)) > 1)
1458 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1460 new_element->location.piece = xbt_dynar_get_as(tokens2, 1, char*)[0] - '0';*/
1461 xbt_dynar_push(loc->location.compose, &new_element);
1462 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
1463 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1464 new_element->type = e_dw_plus_uconst;
1465 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, 1, char *));
1466 xbt_dynar_push(loc->location.compose, &new_element);
1467 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
1468 strcmp(tok, "DW_OP_and") == 0 ||
1469 strcmp(tok, "DW_OP_div") == 0 ||
1470 strcmp(tok, "DW_OP_minus") == 0 ||
1471 strcmp(tok, "DW_OP_mod") == 0 ||
1472 strcmp(tok, "DW_OP_mul") == 0 ||
1473 strcmp(tok, "DW_OP_neg") == 0 ||
1474 strcmp(tok, "DW_OP_not") == 0 ||
1475 strcmp(tok, "DW_OP_or") == 0 ||
1476 strcmp(tok, "DW_OP_plus") == 0){
1477 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1478 new_element->type = e_dw_arithmetic;
1479 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
1480 xbt_dynar_push(loc->location.compose, &new_element);
1481 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
1482 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
1483 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1484 new_element->type = e_dw_deref;
1485 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, 1, char*));
1486 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1487 new_element->location.deref_size = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1489 new_element->location.deref_size = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1490 xbt_dynar_push(loc->location.compose, &new_element);
1491 }else if(strcmp(tok, "DW_OP_deref") == 0){
1492 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1493 new_element->type = e_dw_deref;
1494 new_element->location.deref_size = sizeof(void *);
1495 xbt_dynar_push(loc->location.compose, &new_element);
1496 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
1497 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1498 new_element->type = e_dw_uconstant;
1499 new_element->location.uconstant.bytes = 1;
1500 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1501 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1502 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens, cursor, char*)));
1504 new_element->location.uconstant.value = (unsigned long int)(xbt_dynar_get_as(tokens, cursor, char*)[0] - '0');*/
1505 xbt_dynar_push(loc->location.compose, &new_element);
1506 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
1507 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1508 new_element->type = e_dw_sconstant;
1509 new_element->location.sconstant.bytes = 1;
1510 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1511 xbt_dynar_push(loc->location.compose, &new_element);
1512 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
1513 strcmp(tok2, "DW_OP_const2u:") == 0 ||
1514 strcmp(tok2, "DW_OP_const4u:") == 0 ||
1515 strcmp(tok2, "DW_OP_const8u:") == 0){
1516 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1517 new_element->type = e_dw_uconstant;
1518 new_element->location.uconstant.bytes = tok2[11] - '0';
1519 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1520 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1521 new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1523 new_element->location.constant.value = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1524 xbt_dynar_push(loc->location.compose, &new_element);
1525 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
1526 strcmp(tok, "DW_OP_const2s") == 0 ||
1527 strcmp(tok, "DW_OP_const4s") == 0 ||
1528 strcmp(tok, "DW_OP_const8s") == 0){
1529 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1530 new_element->type = e_dw_sconstant;
1531 new_element->location.sconstant.bytes = tok2[11] - '0';
1532 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1533 xbt_dynar_push(loc->location.compose, &new_element);
1535 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1536 new_element->type = e_dw_unsupported;
1537 xbt_dynar_push(loc->location.compose, &new_element);
1541 xbt_dynar_free(&tokens2);
1545 xbt_dynar_free(&tokens1);
1554 void print_local_variables(xbt_dict_t list){
1556 dw_location_entry_t entry;
1557 dw_location_t location_entry;
1558 unsigned int cursor3 = 0, cursor4 = 0;
1559 xbt_dict_cursor_t cursor = 0, cursor2 = 0;
1561 char *frame_name, *variable_name;
1562 dw_frame_t current_frame;
1563 dw_local_variable_t current_variable;
1565 xbt_dict_foreach(list, cursor, frame_name, current_frame){
1566 fprintf(stderr, "Frame name : %s\n", current_frame->name);
1567 fprintf(stderr, "Location type : %d\n", current_frame->frame_base->type);
1568 xbt_dict_foreach((xbt_dict_t)current_frame->variables, cursor2, variable_name, current_variable){
1569 fprintf(stderr, "Name : %s\n", current_variable->name);
1570 if(current_variable->location == NULL)
1572 fprintf(stderr, "Location type : %d\n", current_variable->location->type);
1573 switch(current_variable->location->type){
1575 xbt_dynar_foreach(current_variable->location->location.loclist, cursor3, entry){
1576 fprintf(stderr, "Lowpc : %lx, Highpc : %lx,", entry->lowpc, entry->highpc);
1577 switch(entry->location->type){
1578 case e_dw_register :
1579 fprintf(stderr, " Location : in register %d\n", entry->location->location.reg);
1581 case e_dw_bregister_op:
1582 fprintf(stderr, " Location : Add %d to the value in register %d\n", entry->location->location.breg_op.offset, entry->location->location.breg_op.reg);
1585 fprintf(stderr, "Value already kwnown : %d\n", entry->location->location.lit);
1587 case e_dw_fbregister_op:
1588 fprintf(stderr, " Location : %d bytes from logical frame pointer\n", entry->location->location.fbreg_op);
1591 fprintf(stderr, " Location :\n");
1592 xbt_dynar_foreach(entry->location->location.compose, cursor4, location_entry){
1593 switch(location_entry->type){
1594 case e_dw_register :
1595 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1597 case e_dw_bregister_op:
1598 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);
1601 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1603 case e_dw_fbregister_op:
1604 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1607 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);
1609 case e_dw_arithmetic :
1610 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1613 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1615 case e_dw_uconstant :
1616 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1618 case e_dw_sconstant :
1619 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1622 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1628 fprintf(stderr, "Location type not supported\n");
1635 fprintf(stderr, "Location :\n");
1636 xbt_dynar_foreach(current_variable->location->location.compose, cursor4, location_entry){
1637 switch(location_entry->type){
1638 case e_dw_register :
1639 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1641 case e_dw_bregister_op:
1642 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);
1645 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1647 case e_dw_fbregister_op:
1648 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1651 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);
1653 case e_dw_arithmetic :
1654 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1657 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1659 case e_dw_uconstant :
1660 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1662 case e_dw_sconstant :
1663 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1666 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1672 fprintf(stderr, "Location type not supported\n");