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);
75 /* MC global data structures */
77 mc_state_t mc_current_state = NULL;
78 char mc_replay_mode = FALSE;
79 double *mc_time = NULL;
80 mc_snapshot_t initial_snapshot = NULL;
85 xbt_fifo_t mc_stack_safety = NULL;
86 mc_stats_t mc_stats = NULL;
90 mc_stats_pair_t mc_stats_pair = NULL;
91 xbt_fifo_t mc_stack_liveness = NULL;
92 mc_global_t initial_state_liveness = NULL;
96 xbt_dict_t mc_local_variables = NULL;
98 /* Ignore mechanism */
99 xbt_dynar_t mc_stack_comparison_ignore;
100 xbt_dynar_t mc_data_bss_comparison_ignore;
101 extern xbt_dynar_t mc_heap_comparison_ignore;
102 extern xbt_dynar_t stacks_areas;
104 xbt_automaton_t _mc_property_automaton = NULL;
106 /* Static functions */
108 static void MC_assert_pair(int prop);
109 static dw_location_t get_location(xbt_dict_t location_list, char *expr);
110 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset);
112 void MC_do_the_modelcheck_for_real() {
113 if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
114 if (mc_reduce_kind==e_mc_reduce_unset)
115 mc_reduce_kind=e_mc_reduce_dpor;
117 XBT_INFO("Check a safety property");
122 if (mc_reduce_kind==e_mc_reduce_unset)
123 mc_reduce_kind=e_mc_reduce_none;
125 XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
126 MC_automaton_load(_surf_mc_property_file);
127 MC_modelcheck_liveness();
132 * \brief Initialize the model-checker data structures
134 void MC_init_safety(void)
137 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
139 /* Check if MC is already initialized */
140 if (initial_snapshot)
143 mc_time = xbt_new0(double, simix_process_maxpid);
145 /* Initialize the data structures that must be persistent across every
146 iteration of the model-checker (in RAW memory) */
150 /* Initialize statistics */
151 mc_stats = xbt_new0(s_mc_stats_t, 1);
152 mc_stats->state_size = 1;
154 /* Create exploration stack */
155 mc_stack_safety = xbt_fifo_new();
162 /* Save the initial state */
163 initial_snapshot = xbt_new0(s_mc_snapshot_t, 1);
164 MC_take_snapshot(initial_snapshot);
172 void MC_compare(void){
177 void MC_modelcheck(void)
184 void MC_init_liveness(){
186 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
188 mc_time = xbt_new0(double, simix_process_maxpid);
190 /* mc_time refers to clock for each process -> ignore it for heap comparison */
192 for(i = 0; i<simix_process_maxpid; i++)
193 MC_ignore_heap(&(mc_time[i]), sizeof(double));
197 /* Initialize the data structures that must be persistent across every
198 iteration of the model-checker (in RAW memory) */
202 char *ls_path = get_libsimgrid_path();
204 mc_local_variables = xbt_dict_new_homogeneous(NULL);
206 /* Get local variables in binary for state equality detection */
207 xbt_dict_t binary_location_list = MC_get_location_list(xbt_binary_name);
208 MC_get_local_variables(xbt_binary_name, binary_location_list, &mc_local_variables);
210 /* Get local variables in libsimgrid for state equality detection */
211 xbt_dict_t libsimgrid_location_list = MC_get_location_list(ls_path);
212 MC_get_local_variables(ls_path, libsimgrid_location_list, &mc_local_variables);
214 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
218 MC_init_memory_map_info();
220 /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
221 get_libsimgrid_plt_section();
222 get_binary_plt_section();
229 void MC_modelcheck_liveness(){
231 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
237 /* Initialize statistics */
238 mc_stats_pair = xbt_new0(s_mc_stats_pair_t, 1);
240 XBT_DEBUG("Creating stack");
242 /* Create exploration stack */
243 mc_stack_liveness = xbt_fifo_new();
250 MC_print_statistics_pairs(mc_stats_pair);
258 MC_print_statistics(mc_stats);
264 int MC_random(int min, int max)
266 /*FIXME: return mc_current_state->executed_transition->random.value;*/
271 * \brief Schedules all the process that are ready to run
273 void MC_wait_for_requests(void)
275 smx_process_t process;
279 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
280 SIMIX_process_runall();
281 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
282 req = &process->simcall;
283 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
284 SIMIX_simcall_pre(req, 0);
289 int MC_deadlock_check()
291 int deadlock = FALSE;
292 smx_process_t process;
293 if(xbt_swag_size(simix_global->process_list)){
295 xbt_swag_foreach(process, simix_global->process_list){
296 if(process->simcall.call != SIMCALL_NONE
297 && MC_request_is_enabled(&process->simcall)){
307 * \brief Re-executes from the state at position start all the transitions indicated by
308 * a given model-checker stack.
309 * \param stack The stack with the transitions to execute.
310 * \param start Start index to begin the re-execution.
312 void MC_replay(xbt_fifo_t stack, int start)
314 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
318 smx_simcall_t req = NULL, saved_req = NULL;
319 xbt_fifo_item_t item, start_item;
322 XBT_DEBUG("**** Begin Replay ****");
325 /* Restore the initial state */
326 MC_restore_snapshot(initial_snapshot);
327 /* At the moment of taking the snapshot the raw heap was set, so restoring
328 * it will set it back again, we have to unset it to continue */
332 start_item = xbt_fifo_get_last_item(stack);
335 start_item = xbt_fifo_get_prev_item(start_item);
340 /* Traverse the stack from the state at position start and re-execute the transitions */
341 for (item = start_item;
342 item != xbt_fifo_get_first_item(stack);
343 item = xbt_fifo_get_prev_item(item)) {
345 state = (mc_state_t) xbt_fifo_get_item_content(item);
346 saved_req = MC_state_get_executed_request(state, &value);
349 /* because we got a copy of the executed request, we have to fetch the
350 real one, pointed by the request field of the issuer process */
351 req = &saved_req->issuer->simcall;
353 /* Debug information */
354 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
355 req_str = MC_request_to_string(req, value);
356 XBT_DEBUG("Replay: %s (%p)", req_str, state);
361 SIMIX_simcall_pre(req, value);
362 MC_wait_for_requests();
364 /* Update statistics */
365 mc_stats->visited_states++;
366 mc_stats->executed_transitions++;
368 XBT_DEBUG("**** End Replay ****");
378 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
381 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
385 smx_simcall_t req = NULL, saved_req = NULL;
386 xbt_fifo_item_t item;
388 mc_pair_stateless_t pair;
391 XBT_DEBUG("**** Begin Replay ****");
393 /* Restore the initial state */
394 MC_restore_snapshot(initial_state_liveness->initial_snapshot);
395 /* At the moment of taking the snapshot the raw heap was set, so restoring
396 * it will set it back again, we have to unset it to continue */
402 item = xbt_fifo_get_last_item(stack);
404 while(depth <= xbt_fifo_size(stack)){
406 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
407 state = (mc_state_t) pair->graph_state;
409 if(pair->requests > 0){
411 saved_req = MC_state_get_executed_request(state, &value);
412 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
414 if(saved_req != NULL){
415 /* because we got a copy of the executed request, we have to fetch the
416 real one, pointed by the request field of the issuer process */
417 req = &saved_req->issuer->simcall;
418 //XBT_DEBUG("Req->call %u", req->call);
420 /* Debug information */
421 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
422 req_str = MC_request_to_string(req, value);
423 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
429 SIMIX_simcall_pre(req, value);
430 MC_wait_for_requests();
435 /* Update statistics */
436 mc_stats_pair->visited_pairs++;
438 item = xbt_fifo_get_prev_item(item);
443 /* Traverse the stack from the initial state and re-execute the transitions */
444 for (item = xbt_fifo_get_last_item(stack);
445 item != xbt_fifo_get_first_item(stack);
446 item = xbt_fifo_get_prev_item(item)) {
448 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
449 state = (mc_state_t) pair->graph_state;
451 if(pair->requests > 0){
453 saved_req = MC_state_get_executed_request(state, &value);
454 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
456 if(saved_req != NULL){
457 /* because we got a copy of the executed request, we have to fetch the
458 real one, pointed by the request field of the issuer process */
459 req = &saved_req->issuer->simcall;
460 //XBT_DEBUG("Req->call %u", req->call);
462 /* Debug information */
463 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
464 req_str = MC_request_to_string(req, value);
465 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
471 SIMIX_simcall_pre(req, value);
472 MC_wait_for_requests();
477 /* Update statistics */
478 mc_stats_pair->visited_pairs++;
482 XBT_DEBUG("**** End Replay ****");
492 * \brief Dumps the contents of a model-checker's stack and shows the actual
494 * \param stack The stack to dump
496 void MC_dump_stack_safety(xbt_fifo_t stack)
499 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
501 MC_show_stack_safety(stack);
503 if(!_surf_mc_checkpoint){
508 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
509 MC_state_delete(state);
522 void MC_show_stack_safety(xbt_fifo_t stack)
526 xbt_fifo_item_t item;
528 char *req_str = NULL;
530 for (item = xbt_fifo_get_last_item(stack);
531 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
532 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
533 req = MC_state_get_executed_request(state, &value);
535 req_str = MC_request_to_string(req, value);
536 XBT_INFO("%s", req_str);
542 void MC_show_deadlock(smx_simcall_t req)
544 /*char *req_str = NULL;*/
545 XBT_INFO("**************************");
546 XBT_INFO("*** DEAD-LOCK DETECTED ***");
547 XBT_INFO("**************************");
548 XBT_INFO("Locked request:");
549 /*req_str = MC_request_to_string(req);
550 XBT_INFO("%s", req_str);
552 XBT_INFO("Counter-example execution trace:");
553 MC_dump_stack_safety(mc_stack_safety);
557 void MC_show_stack_liveness(xbt_fifo_t stack){
559 mc_pair_stateless_t pair;
560 xbt_fifo_item_t item;
562 char *req_str = NULL;
564 for (item = xbt_fifo_get_last_item(stack);
565 (item ? (pair = (mc_pair_stateless_t) (xbt_fifo_get_item_content(item)))
566 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
567 req = MC_state_get_executed_request(pair->graph_state, &value);
569 if(pair->requests>0){
570 req_str = MC_request_to_string(req, value);
571 XBT_INFO("%s", req_str);
574 XBT_INFO("End of system requests but evolution in Büchi automaton");
580 void MC_dump_stack_liveness(xbt_fifo_t stack){
582 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
584 mc_pair_stateless_t pair;
587 while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
588 pair_stateless_free(pair);
597 void MC_print_statistics(mc_stats_t stats)
599 //XBT_INFO("State space size ~= %lu", stats->state_size);
600 XBT_INFO("Expanded states = %lu", stats->expanded_states);
601 XBT_INFO("Visited states = %lu", stats->visited_states);
602 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
603 XBT_INFO("Expanded / Visited = %lf",
604 (double) stats->visited_states / stats->expanded_states);
605 /*XBT_INFO("Exploration coverage = %lf",
606 (double)stats->expanded_states / stats->state_size); */
609 void MC_print_statistics_pairs(mc_stats_pair_t stats)
611 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
612 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
613 //XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
614 XBT_INFO("Expanded / Visited = %lf",
615 (double) stats->visited_pairs / stats->expanded_pairs);
617 if(mmalloc_get_current_heap() == raw_heap)
621 void MC_assert(int prop)
623 if (MC_is_active() && !prop){
624 XBT_INFO("**************************");
625 XBT_INFO("*** PROPERTY NOT VALID ***");
626 XBT_INFO("**************************");
627 XBT_INFO("Counter-example execution trace:");
628 MC_dump_stack_safety(mc_stack_safety);
629 MC_print_statistics(mc_stats);
634 static void MC_assert_pair(int prop){
635 if (MC_is_active() && !prop) {
636 XBT_INFO("**************************");
637 XBT_INFO("*** PROPERTY NOT VALID ***");
638 XBT_INFO("**************************");
639 //XBT_INFO("Counter-example execution trace:");
640 MC_show_stack_liveness(mc_stack_liveness);
641 //MC_dump_snapshot_stack(mc_snapshot_stack);
642 MC_print_statistics_pairs(mc_stats_pair);
647 void MC_process_clock_add(smx_process_t process, double amount)
649 mc_time[process->pid] += amount;
652 double MC_process_clock_get(smx_process_t process)
656 return mc_time[process->pid];
664 void MC_automaton_load(const char *file){
666 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
670 if (_mc_property_automaton == NULL)
671 _mc_property_automaton = xbt_automaton_new();
673 xbt_automaton_load(_mc_property_automaton,file);
682 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
684 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
688 if (_mc_property_automaton == NULL)
689 _mc_property_automaton = xbt_automaton_new();
691 xbt_new_propositional_symbol(_mc_property_automaton,id,fct);
700 /************ MC_ignore ***********/
702 void MC_ignore_heap(void *address, size_t size){
704 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
708 if(mc_heap_comparison_ignore == NULL)
709 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), NULL);
711 mc_heap_ignore_region_t region = NULL;
712 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
713 region->address = address;
716 if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_SIZE))){
718 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
720 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
721 region->fragment = -1;
723 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
728 unsigned int cursor = 0;
729 mc_heap_ignore_region_t current_region;
730 xbt_dynar_foreach(mc_heap_comparison_ignore, cursor, current_region){
731 if(current_region->address > address)
735 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
743 void MC_ignore_data_bss(void *address, size_t size){
745 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
749 if(mc_data_bss_comparison_ignore == NULL)
750 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL);
752 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
754 mc_data_bss_ignore_variable_t var = NULL;
755 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
756 var->address = address;
759 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
763 unsigned int cursor = 0;
765 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
766 mc_data_bss_ignore_variable_t current_var = NULL;
769 cursor = (start + end) / 2;
770 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
771 if(current_var->address == address){
777 if(current_var->address < address)
779 if(current_var->address > address)
783 mc_data_bss_ignore_variable_t var = NULL;
784 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
785 var->address = address;
788 if(current_var->address > address)
789 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
791 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
801 void MC_ignore_stack(const char *var_name, const char *frame){
803 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
807 if(mc_stack_comparison_ignore == NULL)
808 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL);
810 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
812 mc_stack_ignore_variable_t var = NULL;
813 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
814 var->var_name = strdup(var_name);
815 var->frame = strdup(frame);
817 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
821 unsigned int cursor = 0;
823 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
824 mc_stack_ignore_variable_t current_var = NULL;
827 cursor = (start + end) / 2;
828 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
829 if(strcmp(current_var->frame, frame) == 0){
830 if(strcmp(current_var->var_name, var_name) == 0){
836 if(strcmp(current_var->var_name, var_name) < 0)
838 if(strcmp(current_var->var_name, var_name) > 0)
841 if(strcmp(current_var->frame, frame) < 0)
843 if(strcmp(current_var->frame, frame) > 0)
847 mc_stack_ignore_variable_t var = NULL;
848 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
849 var->var_name = strdup(var_name);
850 var->frame = strdup(frame);
852 if(strcmp(current_var->frame, frame) < 0)
853 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
855 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
866 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
868 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
871 if(stacks_areas == NULL)
872 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
874 stack_region_t region = NULL;
875 region = xbt_new0(s_stack_region_t, 1);
876 region->address = stack;
877 region->process_name = strdup(name);
878 region->context = context;
880 xbt_dynar_push(stacks_areas, ®ion);
888 /************ DWARF ***********/
890 xbt_dict_t MC_get_location_list(const char *elf_file){
892 char *command = bprintf("objdump -Wo %s", elf_file);
894 FILE *fp = popen(command, "r");
897 perror("popen for objdump failed");
899 int debug = 0; /*Detect if the program has been compiled with -g */
901 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
902 char *line = NULL, *loc_expr = NULL;
906 xbt_dynar_t split = NULL;
908 while ((read = getline(&line, &n, fp)) != -1) {
910 /* Wipeout the new line character */
911 line[read - 1] = '\0';
913 xbt_str_trim(line, NULL);
918 if(strlen(line) == 0)
923 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
926 if(strncmp(line, "Contents", 8) == 0)
929 if(strncmp(line, "Offset", 6) == 0){
936 XBT_INFO("Your program must be compiled with -g");
940 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
942 xbt_str_strip_spaces(line);
943 split = xbt_str_split(line, " ");
945 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
947 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
948 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
949 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
952 while(cursor_remove < 3){
953 xbt_dynar_remove_at(split, 0, NULL);
957 loc_expr = xbt_str_join(split, " ");
958 xbt_str_ltrim(loc_expr, "(");
959 xbt_str_rtrim(loc_expr, ")");
960 new_entry->location = get_location(NULL, loc_expr);
962 xbt_dynar_push(loclist, &new_entry);
964 xbt_dynar_free(&split);
967 read = getline(&line, &n, fp);
969 line[read - 1] = '\0';
970 xbt_str_strip_spaces(line);
971 split = xbt_str_split(line, " ");
977 char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
978 xbt_dict_set(location_list, key, loclist, NULL);
980 xbt_dynar_free(&split);
988 return location_list;
991 char *get_libsimgrid_path(){
993 char *command = bprintf("ldd %s", xbt_binary_name);
995 FILE *fp = popen(command, "r");
997 perror("popen for ldd failed");
1004 while((read = getline(&line, &n, fp)) != -1){
1009 /* Wipeout the new line character */
1010 line[read - 1] = '\0';
1012 xbt_str_strip_spaces(line);
1013 xbt_str_ltrim(line, NULL);
1014 split = xbt_str_split(line, " ");
1016 if(strncmp((char *)xbt_dynar_get_as(split, 0, char *), "libsimgrid.so", 13) == 0){
1020 return ((char *)xbt_dynar_get_as(split, 2, char *));
1023 xbt_dynar_free(&split);
1035 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
1037 xbt_dict_cursor_t cursor = NULL;
1041 xbt_dict_foreach(all_variables, cursor, name, res) {
1042 if(offset >= res->start && offset < res->end)
1050 void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){
1052 char *command = bprintf("objdump -Wi %s", elf_file);
1054 FILE *fp = popen(command, "r");
1057 perror("popen for objdump failed");
1059 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL;
1062 int valid_variable = 1;
1063 char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL;
1064 xbt_dynar_t split = NULL, split2 = NULL;
1066 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL);
1067 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL);
1068 char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL;
1069 int new_frame = 0, new_variable = 0;
1070 dw_frame_t variable_frame, subroutine_frame = NULL;
1072 read = getline(&line, &n, fp);
1074 while (read != -1) {
1077 read = getline(&line, &n, fp);
1081 /* Wipeout the new line character */
1082 line[read - 1] = '\0';
1084 if(strlen(line) == 0){
1085 read = getline(&line, &n, fp);
1089 xbt_str_ltrim(line, NULL);
1090 xbt_str_strip_spaces(line);
1093 read = getline(&line, &n, fp);
1097 xbt_dynar_free(&split);
1098 split = xbt_str_split(line, " ");
1101 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1103 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
1105 dw_frame_t frame = NULL;
1107 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1108 subprogram_start = strdup(strtok(NULL, "<"));
1109 xbt_str_rtrim(subprogram_start, ">:");
1111 read = getline(&line, &n, fp);
1116 read = getline(&line, &n, fp);
1120 /* Wipeout the new line character */
1121 line[read - 1] = '\0';
1123 if(strlen(line) == 0){
1124 read = getline(&line, &n, fp);
1128 xbt_dynar_free(&split);
1129 xbt_str_rtrim(line, NULL);
1130 xbt_str_strip_spaces(line);
1131 split = xbt_str_split(line, " ");
1133 node_type = xbt_dynar_get_as(split, 1, char *);
1135 if(strncmp(node_type, "DW_AT_", 6) != 0)
1138 if(strcmp(node_type, "DW_AT_sibling") == 0){
1140 subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*));
1141 xbt_str_ltrim(subprogram_end, "<0x");
1142 xbt_str_rtrim(subprogram_end, ">");
1144 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
1147 abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*));
1148 xbt_str_ltrim(abstract_origin, "<0x");
1149 xbt_str_rtrim(abstract_origin, ">");
1150 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
1151 frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1153 }else if(strcmp(node_type, "DW_AT_name") == 0){
1156 free(current_frame);
1157 frame = xbt_new0(s_dw_frame_t, 1);
1158 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1159 frame->variables = xbt_dict_new_homogeneous(NULL);
1160 frame->frame_base = xbt_new0(s_dw_location_t, 1);
1161 current_frame = strdup(frame->name);
1163 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1165 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
1167 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1169 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1171 frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1175 xbt_str_strip_spaces(line);
1176 split2 = xbt_str_split(line, "(");
1177 xbt_dynar_remove_at(split2, 0, NULL);
1178 loc_expr = xbt_str_join(split2, " ");
1179 xbt_str_rtrim(loc_expr, ")");
1180 frame->frame_base = get_location(NULL, loc_expr);
1181 xbt_dynar_free(&split2);
1185 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1188 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1190 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1193 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1195 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
1198 free(current_frame);
1199 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1200 current_frame = strdup(frame->name);
1201 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1205 read = getline(&line, &n, fp);
1210 frame->start = strtoul(subprogram_start, NULL, 16);
1211 if(subprogram_end != NULL)
1212 frame->end = strtoul(subprogram_end, NULL, 16);
1213 xbt_dict_set(*all_variables, frame->name, frame, NULL);
1216 free(subprogram_start);
1217 if(subprogram_end != NULL){
1218 free(subprogram_end);
1219 subprogram_end = NULL;
1223 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
1225 dw_local_variable_t var = NULL;
1227 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1228 origin = strdup(strtok(NULL, "<"));
1229 xbt_str_rtrim(origin, ">:");
1231 read = getline(&line, &n, fp);
1236 read = getline(&line, &n, fp);
1240 /* Wipeout the new line character */
1241 line[read - 1] = '\0';
1243 if(strlen(line) == 0){
1244 read = getline(&line, &n, fp);
1248 xbt_dynar_free(&split);
1249 xbt_str_rtrim(line, NULL);
1250 xbt_str_strip_spaces(line);
1251 split = xbt_str_split(line, " ");
1253 node_type = xbt_dynar_get_as(split, 1, char *);
1255 if(strncmp(node_type, "DW_AT_", 6) != 0)
1258 if(strcmp(node_type, "DW_AT_name") == 0){
1261 var = xbt_new0(s_dw_local_variable_t, 1);
1262 var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1264 xbt_dict_set(variables_origin, origin, var->name, NULL);
1266 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1269 abstract_origin = xbt_dynar_get_as(split, 2, char *);
1270 xbt_str_ltrim(abstract_origin, "<0x");
1271 xbt_str_rtrim(abstract_origin, ">");
1273 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
1274 variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16));
1275 var = xbt_dict_get_or_null(variable_frame->variables, variable_name);
1277 }else if(strcmp(node_type, "DW_AT_location") == 0){
1279 if(valid_variable == 1 && var != NULL){
1281 var->location = xbt_new0(s_dw_location_t, 1);
1283 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1285 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1287 var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1291 xbt_str_strip_spaces(line);
1292 split2 = xbt_str_split(line, "(");
1293 xbt_dynar_remove_at(split2, 0, NULL);
1294 loc_expr = xbt_str_join(split2, " ");
1295 xbt_str_rtrim(loc_expr, ")");
1296 var->location = get_location(NULL, loc_expr);
1297 xbt_dynar_free(&split2);
1303 }else if(strcmp(node_type, "DW_AT_external") == 0){
1309 read = getline(&line, &n, fp);
1313 if(new_variable == 1 && valid_variable == 1){
1315 variable_frame = xbt_dict_get_or_null(*all_variables, current_frame);
1316 xbt_dict_set(variable_frame->variables, var->name, var, NULL);
1322 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
1324 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1325 origin = strdup(strtok(NULL, "<"));
1326 xbt_str_rtrim(origin, ">:");
1328 read = getline(&line, &n, fp);
1332 /* Wipeout the new line character */
1333 line[read - 1] = '\0';
1336 read = getline(&line, &n, fp);
1340 if(strlen(line) == 0){
1341 read = getline(&line, &n, fp);
1345 xbt_dynar_free(&split);
1346 xbt_str_rtrim(line, NULL);
1347 xbt_str_strip_spaces(line);
1348 split = xbt_str_split(line, " ");
1350 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
1353 node_type = xbt_dynar_get_as(split, 1, char *);
1355 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1357 origin = xbt_dynar_get_as(split, 2, char *);
1358 xbt_str_ltrim(origin, "<0x");
1359 xbt_str_rtrim(origin, ">");
1361 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
1362 subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1364 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1366 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1368 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1370 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1373 read = getline(&line, &n, fp);
1379 read = getline(&line, &n, fp);
1385 xbt_dynar_free(&split);
1392 static dw_location_t get_location(xbt_dict_t location_list, char *expr){
1394 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
1396 if(location_list != NULL){
1398 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
1399 loc->type = e_dw_loclist;
1400 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
1402 XBT_INFO("Key not found in loclist");
1408 char *tok = NULL, *tok2 = NULL;
1410 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
1411 xbt_dynar_t tokens2;
1413 loc->type = e_dw_compose;
1414 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
1416 while(cursor < xbt_dynar_length(tokens1)){
1418 tok = xbt_dynar_get_as(tokens1, cursor, char*);
1419 tokens2 = xbt_str_split(tok, " ");
1420 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
1422 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
1423 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1424 new_element->type = e_dw_register;
1425 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
1426 xbt_dynar_push(loc->location.compose, &new_element);
1427 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
1428 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1429 new_element->type = e_dw_fbregister_op;
1430 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1431 xbt_dynar_push(loc->location.compose, &new_element);
1432 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
1433 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1434 new_element->type = e_dw_bregister_op;
1435 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
1436 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1437 xbt_dynar_push(loc->location.compose, &new_element);
1438 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
1439 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1440 new_element->type = e_dw_lit;
1441 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
1442 xbt_dynar_push(loc->location.compose, &new_element);
1443 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
1444 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1445 new_element->type = e_dw_piece;
1446 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1447 /*if(strlen(xbt_dynar_get_as(tokens2, 1, char*)) > 1)
1448 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1450 new_element->location.piece = xbt_dynar_get_as(tokens2, 1, char*)[0] - '0';*/
1451 xbt_dynar_push(loc->location.compose, &new_element);
1452 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
1453 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1454 new_element->type = e_dw_plus_uconst;
1455 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, 1, char *));
1456 xbt_dynar_push(loc->location.compose, &new_element);
1457 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
1458 strcmp(tok, "DW_OP_and") == 0 ||
1459 strcmp(tok, "DW_OP_div") == 0 ||
1460 strcmp(tok, "DW_OP_minus") == 0 ||
1461 strcmp(tok, "DW_OP_mod") == 0 ||
1462 strcmp(tok, "DW_OP_mul") == 0 ||
1463 strcmp(tok, "DW_OP_neg") == 0 ||
1464 strcmp(tok, "DW_OP_not") == 0 ||
1465 strcmp(tok, "DW_OP_or") == 0 ||
1466 strcmp(tok, "DW_OP_plus") == 0){
1467 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1468 new_element->type = e_dw_arithmetic;
1469 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
1470 xbt_dynar_push(loc->location.compose, &new_element);
1471 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
1472 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
1473 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1474 new_element->type = e_dw_deref;
1475 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, 1, char*));
1476 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1477 new_element->location.deref_size = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1479 new_element->location.deref_size = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1480 xbt_dynar_push(loc->location.compose, &new_element);
1481 }else if(strcmp(tok, "DW_OP_deref") == 0){
1482 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1483 new_element->type = e_dw_deref;
1484 new_element->location.deref_size = sizeof(void *);
1485 xbt_dynar_push(loc->location.compose, &new_element);
1486 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
1487 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1488 new_element->type = e_dw_uconstant;
1489 new_element->location.uconstant.bytes = 1;
1490 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1491 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1492 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens, cursor, char*)));
1494 new_element->location.uconstant.value = (unsigned long int)(xbt_dynar_get_as(tokens, cursor, char*)[0] - '0');*/
1495 xbt_dynar_push(loc->location.compose, &new_element);
1496 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
1497 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1498 new_element->type = e_dw_sconstant;
1499 new_element->location.sconstant.bytes = 1;
1500 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1501 xbt_dynar_push(loc->location.compose, &new_element);
1502 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
1503 strcmp(tok2, "DW_OP_const2u:") == 0 ||
1504 strcmp(tok2, "DW_OP_const4u:") == 0 ||
1505 strcmp(tok2, "DW_OP_const8u:") == 0){
1506 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1507 new_element->type = e_dw_uconstant;
1508 new_element->location.uconstant.bytes = tok2[11] - '0';
1509 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1510 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1511 new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1513 new_element->location.constant.value = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1514 xbt_dynar_push(loc->location.compose, &new_element);
1515 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
1516 strcmp(tok, "DW_OP_const2s") == 0 ||
1517 strcmp(tok, "DW_OP_const4s") == 0 ||
1518 strcmp(tok, "DW_OP_const8s") == 0){
1519 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1520 new_element->type = e_dw_sconstant;
1521 new_element->location.sconstant.bytes = tok2[11] - '0';
1522 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1523 xbt_dynar_push(loc->location.compose, &new_element);
1525 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1526 new_element->type = e_dw_unsupported;
1527 xbt_dynar_push(loc->location.compose, &new_element);
1531 xbt_dynar_free(&tokens2);
1535 xbt_dynar_free(&tokens1);
1544 void print_local_variables(xbt_dict_t list){
1546 dw_location_entry_t entry;
1547 dw_location_t location_entry;
1548 unsigned int cursor3 = 0, cursor4 = 0;
1549 xbt_dict_cursor_t cursor = 0, cursor2 = 0;
1551 char *frame_name, *variable_name;
1552 dw_frame_t current_frame;
1553 dw_local_variable_t current_variable;
1555 xbt_dict_foreach(list, cursor, frame_name, current_frame){
1556 fprintf(stderr, "Frame name : %s\n", current_frame->name);
1557 fprintf(stderr, "Location type : %d\n", current_frame->frame_base->type);
1558 xbt_dict_foreach((xbt_dict_t)current_frame->variables, cursor2, variable_name, current_variable){
1559 fprintf(stderr, "Name : %s\n", current_variable->name);
1560 if(current_variable->location == NULL)
1562 fprintf(stderr, "Location type : %d\n", current_variable->location->type);
1563 switch(current_variable->location->type){
1565 xbt_dynar_foreach(current_variable->location->location.loclist, cursor3, entry){
1566 fprintf(stderr, "Lowpc : %lx, Highpc : %lx,", entry->lowpc, entry->highpc);
1567 switch(entry->location->type){
1568 case e_dw_register :
1569 fprintf(stderr, " Location : in register %d\n", entry->location->location.reg);
1571 case e_dw_bregister_op:
1572 fprintf(stderr, " Location : Add %d to the value in register %d\n", entry->location->location.breg_op.offset, entry->location->location.breg_op.reg);
1575 fprintf(stderr, "Value already kwnown : %d\n", entry->location->location.lit);
1577 case e_dw_fbregister_op:
1578 fprintf(stderr, " Location : %d bytes from logical frame pointer\n", entry->location->location.fbreg_op);
1581 fprintf(stderr, " Location :\n");
1582 xbt_dynar_foreach(entry->location->location.compose, cursor4, location_entry){
1583 switch(location_entry->type){
1584 case e_dw_register :
1585 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1587 case e_dw_bregister_op:
1588 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);
1591 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1593 case e_dw_fbregister_op:
1594 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1597 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);
1599 case e_dw_arithmetic :
1600 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1603 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1605 case e_dw_uconstant :
1606 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1608 case e_dw_sconstant :
1609 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1612 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1618 fprintf(stderr, "Location type not supported\n");
1625 fprintf(stderr, "Location :\n");
1626 xbt_dynar_foreach(current_variable->location->location.compose, cursor4, location_entry){
1627 switch(location_entry->type){
1628 case e_dw_register :
1629 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1631 case e_dw_bregister_op:
1632 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);
1635 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1637 case e_dw_fbregister_op:
1638 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1641 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);
1643 case e_dw_arithmetic :
1644 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1647 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1649 case e_dw_uconstant :
1650 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1652 case e_dw_sconstant :
1653 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1656 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1662 fprintf(stderr, "Location type not supported\n");