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);
67 /* MC global data structures */
69 mc_state_t mc_current_state = NULL;
70 char mc_replay_mode = FALSE;
71 double *mc_time = NULL;
72 mc_snapshot_t initial_snapshot = NULL;
77 xbt_fifo_t mc_stack_safety = NULL;
78 mc_stats_t mc_stats = NULL;
82 mc_stats_pair_t mc_stats_pair = NULL;
83 xbt_fifo_t mc_stack_liveness = NULL;
84 mc_global_t initial_state_liveness = NULL;
88 xbt_dict_t mc_local_variables = NULL;
90 /* Ignore mechanism */
91 xbt_dynar_t mc_stack_comparison_ignore;
92 xbt_dynar_t mc_data_bss_comparison_ignore;
93 extern xbt_dynar_t mc_heap_comparison_ignore;
94 extern xbt_dynar_t stacks_areas;
96 xbt_automaton_t _mc_property_automaton = NULL;
98 /* Static functions */
100 static void MC_assert_pair(int prop);
101 static dw_location_t get_location(xbt_dict_t location_list, char *expr);
102 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset);
104 void MC_do_the_modelcheck_for_real() {
105 if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
106 if (mc_reduce_kind==e_mc_reduce_unset)
107 mc_reduce_kind=e_mc_reduce_dpor;
109 XBT_INFO("Check a safety property");
114 if (mc_reduce_kind==e_mc_reduce_unset)
115 mc_reduce_kind=e_mc_reduce_none;
117 XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
118 MC_automaton_load(_surf_mc_property_file);
119 MC_modelcheck_liveness();
124 * \brief Initialize the model-checker data structures
126 void MC_init_safety(void)
129 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
131 /* Check if MC is already initialized */
132 if (initial_snapshot)
135 mc_time = xbt_new0(double, simix_process_maxpid);
137 /* Initialize the data structures that must be persistent across every
138 iteration of the model-checker (in RAW memory) */
142 /* Initialize statistics */
143 mc_stats = xbt_new0(s_mc_stats_t, 1);
144 mc_stats->state_size = 1;
146 /* Create exploration stack */
147 mc_stack_safety = xbt_fifo_new();
154 /* Save the initial state */
155 initial_snapshot = xbt_new0(s_mc_snapshot_t, 1);
156 MC_take_snapshot(initial_snapshot);
164 void MC_compare(void){
169 void MC_modelcheck(void)
176 void MC_init_liveness(){
178 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
180 mc_time = xbt_new0(double, simix_process_maxpid);
182 /* mc_time refers to clock for each process -> ignore it for heap comparison */
184 for(i = 0; i<simix_process_maxpid; i++)
185 MC_ignore_heap(&(mc_time[i]), sizeof(double));
189 /* Initialize the data structures that must be persistent across every
190 iteration of the model-checker (in RAW memory) */
194 char *ls_path = get_libsimgrid_path();
196 mc_local_variables = xbt_dict_new_homogeneous(NULL);
198 /* Get local variables in binary for state equality detection */
199 xbt_dict_t binary_location_list = MC_get_location_list(xbt_binary_name);
200 MC_get_local_variables(xbt_binary_name, binary_location_list, &mc_local_variables);
202 /* Get local variables in libsimgrid for state equality detection */
203 xbt_dict_t libsimgrid_location_list = MC_get_location_list(ls_path);
204 MC_get_local_variables(ls_path, libsimgrid_location_list, &mc_local_variables);
206 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
210 MC_init_memory_map_info();
212 /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
213 get_libsimgrid_plt_section();
214 get_binary_plt_section();
221 void MC_modelcheck_liveness(){
223 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
229 /* Initialize statistics */
230 mc_stats_pair = xbt_new0(s_mc_stats_pair_t, 1);
232 XBT_DEBUG("Creating stack");
234 /* Create exploration stack */
235 mc_stack_liveness = xbt_fifo_new();
242 MC_print_statistics_pairs(mc_stats_pair);
250 MC_print_statistics(mc_stats);
256 int MC_random(int min, int max)
258 /*FIXME: return mc_current_state->executed_transition->random.value;*/
263 * \brief Schedules all the process that are ready to run
265 void MC_wait_for_requests(void)
267 smx_process_t process;
271 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
272 SIMIX_process_runall();
273 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
274 req = &process->simcall;
275 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
276 SIMIX_simcall_pre(req, 0);
281 int MC_deadlock_check()
283 int deadlock = FALSE;
284 smx_process_t process;
285 if(xbt_swag_size(simix_global->process_list)){
287 xbt_swag_foreach(process, simix_global->process_list){
288 if(process->simcall.call != SIMCALL_NONE
289 && MC_request_is_enabled(&process->simcall)){
299 * \brief Re-executes from the state at position start all the transitions indicated by
300 * a given model-checker stack.
301 * \param stack The stack with the transitions to execute.
302 * \param start Start index to begin the re-execution.
304 void MC_replay(xbt_fifo_t stack, int start)
306 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
310 smx_simcall_t req = NULL, saved_req = NULL;
311 xbt_fifo_item_t item, start_item;
314 XBT_DEBUG("**** Begin Replay ****");
317 /* Restore the initial state */
318 MC_restore_snapshot(initial_snapshot);
319 /* At the moment of taking the snapshot the raw heap was set, so restoring
320 * it will set it back again, we have to unset it to continue */
324 start_item = xbt_fifo_get_last_item(stack);
327 start_item = xbt_fifo_get_prev_item(start_item);
332 /* Traverse the stack from the state at position start and re-execute the transitions */
333 for (item = start_item;
334 item != xbt_fifo_get_first_item(stack);
335 item = xbt_fifo_get_prev_item(item)) {
337 state = (mc_state_t) xbt_fifo_get_item_content(item);
338 saved_req = MC_state_get_executed_request(state, &value);
341 /* because we got a copy of the executed request, we have to fetch the
342 real one, pointed by the request field of the issuer process */
343 req = &saved_req->issuer->simcall;
345 /* Debug information */
346 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
347 req_str = MC_request_to_string(req, value);
348 XBT_DEBUG("Replay: %s (%p)", req_str, state);
353 SIMIX_simcall_pre(req, value);
354 MC_wait_for_requests();
356 /* Update statistics */
357 mc_stats->visited_states++;
358 mc_stats->executed_transitions++;
360 XBT_DEBUG("**** End Replay ****");
370 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
373 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
377 smx_simcall_t req = NULL, saved_req = NULL;
378 xbt_fifo_item_t item;
380 mc_pair_stateless_t pair;
383 XBT_DEBUG("**** Begin Replay ****");
385 /* Restore the initial state */
386 MC_restore_snapshot(initial_state_liveness->initial_snapshot);
387 /* At the moment of taking the snapshot the raw heap was set, so restoring
388 * it will set it back again, we have to unset it to continue */
394 item = xbt_fifo_get_last_item(stack);
396 while(depth <= xbt_fifo_size(stack)){
398 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
399 state = (mc_state_t) pair->graph_state;
401 if(pair->requests > 0){
403 saved_req = MC_state_get_executed_request(state, &value);
404 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
406 if(saved_req != NULL){
407 /* because we got a copy of the executed request, we have to fetch the
408 real one, pointed by the request field of the issuer process */
409 req = &saved_req->issuer->simcall;
410 //XBT_DEBUG("Req->call %u", req->call);
412 /* Debug information */
413 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
414 req_str = MC_request_to_string(req, value);
415 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
421 SIMIX_simcall_pre(req, value);
422 MC_wait_for_requests();
427 /* Update statistics */
428 mc_stats_pair->visited_pairs++;
430 item = xbt_fifo_get_prev_item(item);
435 /* Traverse the stack from the initial state and re-execute the transitions */
436 for (item = xbt_fifo_get_last_item(stack);
437 item != xbt_fifo_get_first_item(stack);
438 item = xbt_fifo_get_prev_item(item)) {
440 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
441 state = (mc_state_t) pair->graph_state;
443 if(pair->requests > 0){
445 saved_req = MC_state_get_executed_request(state, &value);
446 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
448 if(saved_req != NULL){
449 /* because we got a copy of the executed request, we have to fetch the
450 real one, pointed by the request field of the issuer process */
451 req = &saved_req->issuer->simcall;
452 //XBT_DEBUG("Req->call %u", req->call);
454 /* Debug information */
455 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
456 req_str = MC_request_to_string(req, value);
457 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
463 SIMIX_simcall_pre(req, value);
464 MC_wait_for_requests();
469 /* Update statistics */
470 mc_stats_pair->visited_pairs++;
474 XBT_DEBUG("**** End Replay ****");
484 * \brief Dumps the contents of a model-checker's stack and shows the actual
486 * \param stack The stack to dump
488 void MC_dump_stack_safety(xbt_fifo_t stack)
491 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
493 MC_show_stack_safety(stack);
495 if(!_surf_mc_checkpoint){
500 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
501 MC_state_delete(state);
514 void MC_show_stack_safety(xbt_fifo_t stack)
518 xbt_fifo_item_t item;
520 char *req_str = NULL;
522 for (item = xbt_fifo_get_last_item(stack);
523 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
524 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
525 req = MC_state_get_executed_request(state, &value);
527 req_str = MC_request_to_string(req, value);
528 XBT_INFO("%s", req_str);
534 void MC_show_deadlock(smx_simcall_t req)
536 /*char *req_str = NULL;*/
537 XBT_INFO("**************************");
538 XBT_INFO("*** DEAD-LOCK DETECTED ***");
539 XBT_INFO("**************************");
540 XBT_INFO("Locked request:");
541 /*req_str = MC_request_to_string(req);
542 XBT_INFO("%s", req_str);
544 XBT_INFO("Counter-example execution trace:");
545 MC_dump_stack_safety(mc_stack_safety);
549 void MC_show_stack_liveness(xbt_fifo_t stack){
551 mc_pair_stateless_t pair;
552 xbt_fifo_item_t item;
554 char *req_str = NULL;
556 for (item = xbt_fifo_get_last_item(stack);
557 (item ? (pair = (mc_pair_stateless_t) (xbt_fifo_get_item_content(item)))
558 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
559 req = MC_state_get_executed_request(pair->graph_state, &value);
561 if(pair->requests>0){
562 req_str = MC_request_to_string(req, value);
563 XBT_INFO("%s", req_str);
566 XBT_INFO("End of system requests but evolution in Büchi automaton");
572 void MC_dump_stack_liveness(xbt_fifo_t stack){
574 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
576 mc_pair_stateless_t pair;
579 while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
580 pair_stateless_free(pair);
589 void MC_print_statistics(mc_stats_t stats)
591 //XBT_INFO("State space size ~= %lu", stats->state_size);
592 XBT_INFO("Expanded states = %lu", stats->expanded_states);
593 XBT_INFO("Visited states = %lu", stats->visited_states);
594 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
595 XBT_INFO("Expanded / Visited = %lf",
596 (double) stats->visited_states / stats->expanded_states);
597 /*XBT_INFO("Exploration coverage = %lf",
598 (double)stats->expanded_states / stats->state_size); */
601 void MC_print_statistics_pairs(mc_stats_pair_t stats)
603 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
604 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
605 //XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
606 XBT_INFO("Expanded / Visited = %lf",
607 (double) stats->visited_pairs / stats->expanded_pairs);
610 void MC_assert(int prop)
612 if (MC_is_active() && !prop){
613 XBT_INFO("**************************");
614 XBT_INFO("*** PROPERTY NOT VALID ***");
615 XBT_INFO("**************************");
616 XBT_INFO("Counter-example execution trace:");
617 MC_dump_stack_safety(mc_stack_safety);
618 MC_print_statistics(mc_stats);
623 static void MC_assert_pair(int prop){
624 if (MC_is_active() && !prop) {
625 XBT_INFO("**************************");
626 XBT_INFO("*** PROPERTY NOT VALID ***");
627 XBT_INFO("**************************");
628 //XBT_INFO("Counter-example execution trace:");
629 MC_show_stack_liveness(mc_stack_liveness);
630 //MC_dump_snapshot_stack(mc_snapshot_stack);
631 MC_print_statistics_pairs(mc_stats_pair);
636 void MC_process_clock_add(smx_process_t process, double amount)
638 mc_time[process->pid] += amount;
641 double MC_process_clock_get(smx_process_t process)
645 return mc_time[process->pid];
653 void MC_automaton_load(const char *file){
655 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
659 if (_mc_property_automaton == NULL)
660 _mc_property_automaton = xbt_automaton_new();
662 xbt_automaton_load(_mc_property_automaton,file);
671 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
673 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
677 if (_mc_property_automaton == NULL)
678 _mc_property_automaton = xbt_automaton_new();
680 xbt_new_propositional_symbol(_mc_property_automaton,id,fct);
689 /************ MC_ignore ***********/
691 void MC_ignore_heap(void *address, size_t size){
693 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
697 if(mc_heap_comparison_ignore == NULL)
698 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), NULL);
700 mc_heap_ignore_region_t region = NULL;
701 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
702 region->address = address;
705 if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_SIZE))){
707 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
709 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
710 region->fragment = -1;
712 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
717 unsigned int cursor = 0;
718 mc_heap_ignore_region_t current_region;
719 xbt_dynar_foreach(mc_heap_comparison_ignore, cursor, current_region){
720 if(current_region->address > address)
724 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
732 void MC_ignore_data_bss(void *address, size_t size){
734 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
738 if(mc_data_bss_comparison_ignore == NULL)
739 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL);
741 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
743 mc_data_bss_ignore_variable_t var = NULL;
744 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
745 var->address = address;
748 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
752 unsigned int cursor = 0;
754 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
755 mc_data_bss_ignore_variable_t current_var = NULL;
758 cursor = (start + end) / 2;
759 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
760 if(current_var->address == address){
766 if(current_var->address < address)
768 if(current_var->address > address)
772 mc_data_bss_ignore_variable_t var = NULL;
773 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
774 var->address = address;
777 if(current_var->address > address)
778 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
780 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
790 void MC_ignore_stack(const char *var_name, const char *frame){
792 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
796 if(mc_stack_comparison_ignore == NULL)
797 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL);
799 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
801 mc_stack_ignore_variable_t var = NULL;
802 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
803 var->var_name = strdup(var_name);
804 var->frame = strdup(frame);
806 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
810 unsigned int cursor = 0;
812 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
813 mc_stack_ignore_variable_t current_var = NULL;
816 cursor = (start + end) / 2;
817 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
818 if(strcmp(current_var->frame, frame) == 0){
819 if(strcmp(current_var->var_name, var_name) == 0){
825 if(strcmp(current_var->var_name, var_name) < 0)
827 if(strcmp(current_var->var_name, var_name) > 0)
830 if(strcmp(current_var->frame, frame) < 0)
832 if(strcmp(current_var->frame, frame) > 0)
836 mc_stack_ignore_variable_t var = NULL;
837 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
838 var->var_name = strdup(var_name);
839 var->frame = strdup(frame);
841 if(strcmp(current_var->frame, frame) < 0)
842 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
844 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
855 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
857 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
860 if(stacks_areas == NULL)
861 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
863 stack_region_t region = NULL;
864 region = xbt_new0(s_stack_region_t, 1);
865 region->address = stack;
866 region->process_name = strdup(name);
867 region->context = context;
869 xbt_dynar_push(stacks_areas, ®ion);
877 /************ DWARF ***********/
879 xbt_dict_t MC_get_location_list(const char *elf_file){
881 char *command = bprintf("objdump -Wo %s", elf_file);
883 FILE *fp = popen(command, "r");
886 perror("popen for objdump failed");
888 int debug = 0; /*Detect if the program has been compiled with -g */
890 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
891 char *line = NULL, *loc_expr = NULL;
895 xbt_dynar_t split = NULL;
897 while ((read = getline(&line, &n, fp)) != -1) {
899 /* Wipeout the new line character */
900 line[read - 1] = '\0';
902 xbt_str_trim(line, NULL);
907 if(strlen(line) == 0)
912 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
915 if(strncmp(line, "Contents", 8) == 0)
918 if(strncmp(line, "Offset", 6) == 0){
925 XBT_INFO("Your program must be compiled with -g");
929 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
931 xbt_str_strip_spaces(line);
932 split = xbt_str_split(line, " ");
934 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
936 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
937 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
938 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
941 while(cursor_remove < 3){
942 xbt_dynar_remove_at(split, 0, NULL);
946 loc_expr = xbt_str_join(split, " ");
947 xbt_str_ltrim(loc_expr, "(");
948 xbt_str_rtrim(loc_expr, ")");
949 new_entry->location = get_location(NULL, loc_expr);
951 xbt_dynar_push(loclist, &new_entry);
953 xbt_dynar_free(&split);
956 read = getline(&line, &n, fp);
958 line[read - 1] = '\0';
959 xbt_str_strip_spaces(line);
960 split = xbt_str_split(line, " ");
966 char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
967 xbt_dict_set(location_list, key, loclist, NULL);
969 xbt_dynar_free(&split);
977 return location_list;
980 char *get_libsimgrid_path(){
982 char *command = bprintf("ldd %s", xbt_binary_name);
984 FILE *fp = popen(command, "r");
986 perror("popen for ldd failed");
993 while((read = getline(&line, &n, fp)) != -1){
998 /* Wipeout the new line character */
999 line[read - 1] = '\0';
1001 xbt_str_strip_spaces(line);
1002 xbt_str_ltrim(line, NULL);
1003 split = xbt_str_split(line, " ");
1005 if(strncmp((char *)xbt_dynar_get_as(split, 0, char *), "libsimgrid.so", 13) == 0){
1009 return ((char *)xbt_dynar_get_as(split, 2, char *));
1012 xbt_dynar_free(&split);
1024 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
1026 xbt_dict_cursor_t cursor = NULL;
1030 xbt_dict_foreach(all_variables, cursor, name, res) {
1031 if(offset >= res->start && offset < res->end)
1039 void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){
1041 char *command = bprintf("objdump -Wi %s", elf_file);
1043 FILE *fp = popen(command, "r");
1046 perror("popen for objdump failed");
1048 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL;
1051 int valid_variable = 1;
1052 char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL;
1053 xbt_dynar_t split = NULL, split2 = NULL;
1055 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL);
1056 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL);
1057 char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL;
1058 int new_frame = 0, new_variable = 0;
1059 dw_frame_t variable_frame, subroutine_frame = NULL;
1061 read = getline(&line, &n, fp);
1063 while (read != -1) {
1066 read = getline(&line, &n, fp);
1070 /* Wipeout the new line character */
1071 line[read - 1] = '\0';
1073 if(strlen(line) == 0){
1074 read = getline(&line, &n, fp);
1078 xbt_str_ltrim(line, NULL);
1079 xbt_str_strip_spaces(line);
1082 read = getline(&line, &n, fp);
1086 xbt_dynar_free(&split);
1087 split = xbt_str_split(line, " ");
1090 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1092 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
1094 dw_frame_t frame = NULL;
1096 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1097 subprogram_start = strdup(strtok(NULL, "<"));
1098 xbt_str_rtrim(subprogram_start, ">:");
1100 read = getline(&line, &n, fp);
1105 read = getline(&line, &n, fp);
1109 /* Wipeout the new line character */
1110 line[read - 1] = '\0';
1112 if(strlen(line) == 0){
1113 read = getline(&line, &n, fp);
1117 xbt_dynar_free(&split);
1118 xbt_str_rtrim(line, NULL);
1119 xbt_str_strip_spaces(line);
1120 split = xbt_str_split(line, " ");
1122 node_type = xbt_dynar_get_as(split, 1, char *);
1124 if(strncmp(node_type, "DW_AT_", 6) != 0)
1127 if(strcmp(node_type, "DW_AT_sibling") == 0){
1129 subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*));
1130 xbt_str_ltrim(subprogram_end, "<0x");
1131 xbt_str_rtrim(subprogram_end, ">");
1133 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
1136 abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*));
1137 xbt_str_ltrim(abstract_origin, "<0x");
1138 xbt_str_rtrim(abstract_origin, ">");
1139 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
1140 frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1142 }else if(strcmp(node_type, "DW_AT_name") == 0){
1145 free(current_frame);
1146 frame = xbt_new0(s_dw_frame_t, 1);
1147 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1148 frame->variables = xbt_dict_new_homogeneous(NULL);
1149 frame->frame_base = xbt_new0(s_dw_location_t, 1);
1150 current_frame = strdup(frame->name);
1152 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1154 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
1156 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1158 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1160 frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1164 xbt_str_strip_spaces(line);
1165 split2 = xbt_str_split(line, "(");
1166 xbt_dynar_remove_at(split2, 0, NULL);
1167 loc_expr = xbt_str_join(split2, " ");
1168 xbt_str_rtrim(loc_expr, ")");
1169 frame->frame_base = get_location(NULL, loc_expr);
1170 xbt_dynar_free(&split2);
1174 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1177 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1179 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1182 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1184 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
1187 free(current_frame);
1188 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1189 current_frame = strdup(frame->name);
1190 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1194 read = getline(&line, &n, fp);
1199 frame->start = strtoul(subprogram_start, NULL, 16);
1200 if(subprogram_end != NULL)
1201 frame->end = strtoul(subprogram_end, NULL, 16);
1202 xbt_dict_set(*all_variables, frame->name, frame, NULL);
1205 free(subprogram_start);
1206 if(subprogram_end != NULL){
1207 free(subprogram_end);
1208 subprogram_end = NULL;
1212 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
1214 dw_local_variable_t var = NULL;
1216 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1217 origin = strdup(strtok(NULL, "<"));
1218 xbt_str_rtrim(origin, ">:");
1220 read = getline(&line, &n, fp);
1225 read = getline(&line, &n, fp);
1229 /* Wipeout the new line character */
1230 line[read - 1] = '\0';
1232 if(strlen(line) == 0){
1233 read = getline(&line, &n, fp);
1237 xbt_dynar_free(&split);
1238 xbt_str_rtrim(line, NULL);
1239 xbt_str_strip_spaces(line);
1240 split = xbt_str_split(line, " ");
1242 node_type = xbt_dynar_get_as(split, 1, char *);
1244 if(strncmp(node_type, "DW_AT_", 6) != 0)
1247 if(strcmp(node_type, "DW_AT_name") == 0){
1250 var = xbt_new0(s_dw_local_variable_t, 1);
1251 var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1253 xbt_dict_set(variables_origin, origin, var->name, NULL);
1255 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1258 abstract_origin = xbt_dynar_get_as(split, 2, char *);
1259 xbt_str_ltrim(abstract_origin, "<0x");
1260 xbt_str_rtrim(abstract_origin, ">");
1262 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
1263 variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16));
1264 var = xbt_dict_get_or_null(variable_frame->variables, variable_name);
1266 }else if(strcmp(node_type, "DW_AT_location") == 0){
1268 if(valid_variable == 1 && var != NULL){
1270 var->location = xbt_new0(s_dw_location_t, 1);
1272 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1274 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1276 var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1280 xbt_str_strip_spaces(line);
1281 split2 = xbt_str_split(line, "(");
1282 xbt_dynar_remove_at(split2, 0, NULL);
1283 loc_expr = xbt_str_join(split2, " ");
1284 xbt_str_rtrim(loc_expr, ")");
1285 var->location = get_location(NULL, loc_expr);
1286 xbt_dynar_free(&split2);
1292 }else if(strcmp(node_type, "DW_AT_external") == 0){
1298 read = getline(&line, &n, fp);
1302 if(new_variable == 1 && valid_variable == 1){
1304 variable_frame = xbt_dict_get_or_null(*all_variables, current_frame);
1305 xbt_dict_set(variable_frame->variables, var->name, var, NULL);
1311 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
1313 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1314 origin = strdup(strtok(NULL, "<"));
1315 xbt_str_rtrim(origin, ">:");
1317 read = getline(&line, &n, fp);
1321 /* Wipeout the new line character */
1322 line[read - 1] = '\0';
1325 read = getline(&line, &n, fp);
1329 if(strlen(line) == 0){
1330 read = getline(&line, &n, fp);
1334 xbt_dynar_free(&split);
1335 xbt_str_rtrim(line, NULL);
1336 xbt_str_strip_spaces(line);
1337 split = xbt_str_split(line, " ");
1339 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
1342 node_type = xbt_dynar_get_as(split, 1, char *);
1344 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1346 origin = xbt_dynar_get_as(split, 2, char *);
1347 xbt_str_ltrim(origin, "<0x");
1348 xbt_str_rtrim(origin, ">");
1350 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
1351 subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1353 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1355 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1357 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1359 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1362 read = getline(&line, &n, fp);
1368 read = getline(&line, &n, fp);
1374 xbt_dynar_free(&split);
1381 static dw_location_t get_location(xbt_dict_t location_list, char *expr){
1383 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
1385 if(location_list != NULL){
1387 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
1388 loc->type = e_dw_loclist;
1389 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
1391 XBT_INFO("Key not found in loclist");
1397 char *tok = NULL, *tok2 = NULL;
1399 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
1400 xbt_dynar_t tokens2;
1402 loc->type = e_dw_compose;
1403 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
1405 while(cursor < xbt_dynar_length(tokens1)){
1407 tok = xbt_dynar_get_as(tokens1, cursor, char*);
1408 tokens2 = xbt_str_split(tok, " ");
1409 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
1411 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
1412 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1413 new_element->type = e_dw_register;
1414 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
1415 xbt_dynar_push(loc->location.compose, &new_element);
1416 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
1417 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1418 new_element->type = e_dw_fbregister_op;
1419 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1420 xbt_dynar_push(loc->location.compose, &new_element);
1421 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
1422 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1423 new_element->type = e_dw_bregister_op;
1424 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
1425 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1426 xbt_dynar_push(loc->location.compose, &new_element);
1427 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
1428 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1429 new_element->type = e_dw_lit;
1430 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
1431 xbt_dynar_push(loc->location.compose, &new_element);
1432 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
1433 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1434 new_element->type = e_dw_piece;
1435 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1436 /*if(strlen(xbt_dynar_get_as(tokens2, 1, char*)) > 1)
1437 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1439 new_element->location.piece = xbt_dynar_get_as(tokens2, 1, char*)[0] - '0';*/
1440 xbt_dynar_push(loc->location.compose, &new_element);
1441 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
1442 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1443 new_element->type = e_dw_plus_uconst;
1444 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, 1, char *));
1445 xbt_dynar_push(loc->location.compose, &new_element);
1446 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
1447 strcmp(tok, "DW_OP_and") == 0 ||
1448 strcmp(tok, "DW_OP_div") == 0 ||
1449 strcmp(tok, "DW_OP_minus") == 0 ||
1450 strcmp(tok, "DW_OP_mod") == 0 ||
1451 strcmp(tok, "DW_OP_mul") == 0 ||
1452 strcmp(tok, "DW_OP_neg") == 0 ||
1453 strcmp(tok, "DW_OP_not") == 0 ||
1454 strcmp(tok, "DW_OP_or") == 0 ||
1455 strcmp(tok, "DW_OP_plus") == 0){
1456 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1457 new_element->type = e_dw_arithmetic;
1458 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
1459 xbt_dynar_push(loc->location.compose, &new_element);
1460 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
1461 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
1462 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1463 new_element->type = e_dw_deref;
1464 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, 1, char*));
1465 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1466 new_element->location.deref_size = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1468 new_element->location.deref_size = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1469 xbt_dynar_push(loc->location.compose, &new_element);
1470 }else if(strcmp(tok, "DW_OP_deref") == 0){
1471 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1472 new_element->type = e_dw_deref;
1473 new_element->location.deref_size = sizeof(void *);
1474 xbt_dynar_push(loc->location.compose, &new_element);
1475 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
1476 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1477 new_element->type = e_dw_uconstant;
1478 new_element->location.uconstant.bytes = 1;
1479 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1480 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1481 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens, cursor, char*)));
1483 new_element->location.uconstant.value = (unsigned long int)(xbt_dynar_get_as(tokens, cursor, char*)[0] - '0');*/
1484 xbt_dynar_push(loc->location.compose, &new_element);
1485 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
1486 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1487 new_element->type = e_dw_sconstant;
1488 new_element->location.sconstant.bytes = 1;
1489 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1490 xbt_dynar_push(loc->location.compose, &new_element);
1491 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
1492 strcmp(tok2, "DW_OP_const2u:") == 0 ||
1493 strcmp(tok2, "DW_OP_const4u:") == 0 ||
1494 strcmp(tok2, "DW_OP_const8u:") == 0){
1495 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1496 new_element->type = e_dw_uconstant;
1497 new_element->location.uconstant.bytes = tok2[11] - '0';
1498 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1499 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1500 new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1502 new_element->location.constant.value = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1503 xbt_dynar_push(loc->location.compose, &new_element);
1504 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
1505 strcmp(tok, "DW_OP_const2s") == 0 ||
1506 strcmp(tok, "DW_OP_const4s") == 0 ||
1507 strcmp(tok, "DW_OP_const8s") == 0){
1508 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1509 new_element->type = e_dw_sconstant;
1510 new_element->location.sconstant.bytes = tok2[11] - '0';
1511 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1512 xbt_dynar_push(loc->location.compose, &new_element);
1514 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1515 new_element->type = e_dw_unsupported;
1516 xbt_dynar_push(loc->location.compose, &new_element);
1520 xbt_dynar_free(&tokens2);
1524 xbt_dynar_free(&tokens1);
1533 void print_local_variables(xbt_dict_t list){
1535 dw_location_entry_t entry;
1536 dw_location_t location_entry;
1537 unsigned int cursor3 = 0, cursor4 = 0;
1538 xbt_dict_cursor_t cursor = 0, cursor2 = 0;
1540 char *frame_name, *variable_name;
1541 dw_frame_t current_frame;
1542 dw_local_variable_t current_variable;
1544 xbt_dict_foreach(list, cursor, frame_name, current_frame){
1545 fprintf(stderr, "Frame name : %s\n", current_frame->name);
1546 fprintf(stderr, "Location type : %d\n", current_frame->frame_base->type);
1547 xbt_dict_foreach((xbt_dict_t)current_frame->variables, cursor2, variable_name, current_variable){
1548 fprintf(stderr, "Name : %s\n", current_variable->name);
1549 if(current_variable->location == NULL)
1551 fprintf(stderr, "Location type : %d\n", current_variable->location->type);
1552 switch(current_variable->location->type){
1554 xbt_dynar_foreach(current_variable->location->location.loclist, cursor3, entry){
1555 fprintf(stderr, "Lowpc : %lx, Highpc : %lx,", entry->lowpc, entry->highpc);
1556 switch(entry->location->type){
1557 case e_dw_register :
1558 fprintf(stderr, " Location : in register %d\n", entry->location->location.reg);
1560 case e_dw_bregister_op:
1561 fprintf(stderr, " Location : Add %d to the value in register %d\n", entry->location->location.breg_op.offset, entry->location->location.breg_op.reg);
1564 fprintf(stderr, "Value already kwnown : %d\n", entry->location->location.lit);
1566 case e_dw_fbregister_op:
1567 fprintf(stderr, " Location : %d bytes from logical frame pointer\n", entry->location->location.fbreg_op);
1570 fprintf(stderr, " Location :\n");
1571 xbt_dynar_foreach(entry->location->location.compose, cursor4, location_entry){
1572 switch(location_entry->type){
1573 case e_dw_register :
1574 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1576 case e_dw_bregister_op:
1577 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);
1580 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1582 case e_dw_fbregister_op:
1583 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1586 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);
1588 case e_dw_arithmetic :
1589 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1592 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1594 case e_dw_uconstant :
1595 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1597 case e_dw_sconstant :
1598 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1601 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1607 fprintf(stderr, "Location type not supported\n");
1614 fprintf(stderr, "Location :\n");
1615 xbt_dynar_foreach(current_variable->location->location.compose, cursor4, location_entry){
1616 switch(location_entry->type){
1617 case e_dw_register :
1618 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1620 case e_dw_bregister_op:
1621 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);
1624 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1626 case e_dw_fbregister_op:
1627 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1630 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);
1632 case e_dw_arithmetic :
1633 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1636 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1638 case e_dw_uconstant :
1639 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1641 case e_dw_sconstant :
1642 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1645 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1651 fprintf(stderr, "Location type not supported\n");