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 extern xbt_dynar_t mc_heap_comparison_ignore;
93 extern xbt_dynar_t stacks_areas;
95 xbt_automaton_t _mc_property_automaton = NULL;
97 /* Static functions */
99 static void MC_assert_pair(int prop);
100 static dw_location_t get_location(xbt_dict_t location_list, char *expr);
101 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset);
103 void MC_do_the_modelcheck_for_real() {
104 if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
105 if (mc_reduce_kind==e_mc_reduce_unset)
106 mc_reduce_kind=e_mc_reduce_dpor;
108 XBT_INFO("Check a safety property");
113 if (mc_reduce_kind==e_mc_reduce_unset)
114 mc_reduce_kind=e_mc_reduce_none;
116 XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
117 MC_automaton_load(_surf_mc_property_file);
118 MC_modelcheck_liveness();
123 * \brief Initialize the model-checker data structures
125 void MC_init_safety(void)
128 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
130 /* Check if MC is already initialized */
131 if (initial_snapshot)
134 mc_time = xbt_new0(double, simix_process_maxpid);
136 /* Initialize the data structures that must be persistent across every
137 iteration of the model-checker (in RAW memory) */
141 /* Initialize statistics */
142 mc_stats = xbt_new0(s_mc_stats_t, 1);
143 mc_stats->state_size = 1;
145 /* Create exploration stack */
146 mc_stack_safety = xbt_fifo_new();
153 /* Save the initial state */
154 initial_snapshot = xbt_new0(s_mc_snapshot_t, 1);
155 MC_take_snapshot(initial_snapshot);
163 void MC_compare(void){
168 void MC_modelcheck(void)
175 void MC_init_liveness(){
177 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
179 mc_time = xbt_new0(double, simix_process_maxpid);
181 /* mc_time refers to clock for each process -> ignore it for heap comparison */
183 for(i = 0; i<simix_process_maxpid; i++)
184 MC_ignore_heap(&(mc_time[i]), sizeof(double));
188 /* Initialize the data structures that must be persistent across every
189 iteration of the model-checker (in RAW memory) */
193 char *ls_path = get_libsimgrid_path();
195 mc_local_variables = xbt_dict_new_homogeneous(NULL);
197 /* Get local variables in binary for state equality detection */
198 xbt_dict_t binary_location_list = MC_get_location_list(xbt_binary_name);
199 MC_get_local_variables(xbt_binary_name, binary_location_list, &mc_local_variables);
201 /* Get local variables in libsimgrid for state equality detection */
202 xbt_dict_t libsimgrid_location_list = MC_get_location_list(ls_path);
203 MC_get_local_variables(ls_path, libsimgrid_location_list, &mc_local_variables);
207 MC_init_memory_map_info();
209 /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
210 get_libsimgrid_plt_section();
211 get_binary_plt_section();
218 void MC_modelcheck_liveness(){
220 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
226 /* Initialize statistics */
227 mc_stats_pair = xbt_new0(s_mc_stats_pair_t, 1);
229 XBT_DEBUG("Creating stack");
231 /* Create exploration stack */
232 mc_stack_liveness = xbt_fifo_new();
239 MC_print_statistics_pairs(mc_stats_pair);
247 MC_print_statistics(mc_stats);
253 int MC_random(int min, int max)
255 /*FIXME: return mc_current_state->executed_transition->random.value;*/
260 * \brief Schedules all the process that are ready to run
262 void MC_wait_for_requests(void)
264 smx_process_t process;
268 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
269 SIMIX_process_runall();
270 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
271 req = &process->simcall;
272 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
273 SIMIX_simcall_pre(req, 0);
278 int MC_deadlock_check()
280 int deadlock = FALSE;
281 smx_process_t process;
282 if(xbt_swag_size(simix_global->process_list)){
284 xbt_swag_foreach(process, simix_global->process_list){
285 if(process->simcall.call != SIMCALL_NONE
286 && MC_request_is_enabled(&process->simcall)){
296 * \brief Re-executes from the state at position start all the transitions indicated by
297 * a given model-checker stack.
298 * \param stack The stack with the transitions to execute.
299 * \param start Start index to begin the re-execution.
301 void MC_replay(xbt_fifo_t stack, int start)
303 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
307 smx_simcall_t req = NULL, saved_req = NULL;
308 xbt_fifo_item_t item, start_item;
311 XBT_DEBUG("**** Begin Replay ****");
314 /* Restore the initial state */
315 MC_restore_snapshot(initial_snapshot);
316 /* At the moment of taking the snapshot the raw heap was set, so restoring
317 * it will set it back again, we have to unset it to continue */
321 start_item = xbt_fifo_get_last_item(stack);
324 start_item = xbt_fifo_get_prev_item(start_item);
329 /* Traverse the stack from the state at position start and re-execute the transitions */
330 for (item = start_item;
331 item != xbt_fifo_get_first_item(stack);
332 item = xbt_fifo_get_prev_item(item)) {
334 state = (mc_state_t) xbt_fifo_get_item_content(item);
335 saved_req = MC_state_get_executed_request(state, &value);
338 /* because we got a copy of the executed request, we have to fetch the
339 real one, pointed by the request field of the issuer process */
340 req = &saved_req->issuer->simcall;
342 /* Debug information */
343 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
344 req_str = MC_request_to_string(req, value);
345 XBT_DEBUG("Replay: %s (%p)", req_str, state);
350 SIMIX_simcall_pre(req, value);
351 MC_wait_for_requests();
353 /* Update statistics */
354 mc_stats->visited_states++;
355 mc_stats->executed_transitions++;
357 XBT_DEBUG("**** End Replay ****");
367 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
370 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
374 smx_simcall_t req = NULL, saved_req = NULL;
375 xbt_fifo_item_t item;
377 mc_pair_stateless_t pair;
380 XBT_DEBUG("**** Begin Replay ****");
382 /* Restore the initial state */
383 MC_restore_snapshot(initial_state_liveness->initial_snapshot);
384 /* At the moment of taking the snapshot the raw heap was set, so restoring
385 * it will set it back again, we have to unset it to continue */
391 item = xbt_fifo_get_last_item(stack);
393 while(depth <= xbt_fifo_size(stack)){
395 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
396 state = (mc_state_t) pair->graph_state;
398 if(pair->requests > 0){
400 saved_req = MC_state_get_executed_request(state, &value);
401 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
403 if(saved_req != NULL){
404 /* because we got a copy of the executed request, we have to fetch the
405 real one, pointed by the request field of the issuer process */
406 req = &saved_req->issuer->simcall;
407 //XBT_DEBUG("Req->call %u", req->call);
409 /* Debug information */
410 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
411 req_str = MC_request_to_string(req, value);
412 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
418 SIMIX_simcall_pre(req, value);
419 MC_wait_for_requests();
424 /* Update statistics */
425 mc_stats_pair->visited_pairs++;
427 item = xbt_fifo_get_prev_item(item);
432 /* Traverse the stack from the initial state and re-execute the transitions */
433 for (item = xbt_fifo_get_last_item(stack);
434 item != xbt_fifo_get_first_item(stack);
435 item = xbt_fifo_get_prev_item(item)) {
437 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
438 state = (mc_state_t) pair->graph_state;
440 if(pair->requests > 0){
442 saved_req = MC_state_get_executed_request(state, &value);
443 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
445 if(saved_req != NULL){
446 /* because we got a copy of the executed request, we have to fetch the
447 real one, pointed by the request field of the issuer process */
448 req = &saved_req->issuer->simcall;
449 //XBT_DEBUG("Req->call %u", req->call);
451 /* Debug information */
452 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
453 req_str = MC_request_to_string(req, value);
454 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
460 SIMIX_simcall_pre(req, value);
461 MC_wait_for_requests();
466 /* Update statistics */
467 mc_stats_pair->visited_pairs++;
471 XBT_DEBUG("**** End Replay ****");
481 * \brief Dumps the contents of a model-checker's stack and shows the actual
483 * \param stack The stack to dump
485 void MC_dump_stack_safety(xbt_fifo_t stack)
488 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
490 MC_show_stack_safety(stack);
492 if(!_surf_mc_checkpoint){
497 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
498 MC_state_delete(state);
511 void MC_show_stack_safety(xbt_fifo_t stack)
515 xbt_fifo_item_t item;
517 char *req_str = NULL;
519 for (item = xbt_fifo_get_last_item(stack);
520 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
521 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
522 req = MC_state_get_executed_request(state, &value);
524 req_str = MC_request_to_string(req, value);
525 XBT_INFO("%s", req_str);
531 void MC_show_deadlock(smx_simcall_t req)
533 /*char *req_str = NULL;*/
534 XBT_INFO("**************************");
535 XBT_INFO("*** DEAD-LOCK DETECTED ***");
536 XBT_INFO("**************************");
537 XBT_INFO("Locked request:");
538 /*req_str = MC_request_to_string(req);
539 XBT_INFO("%s", req_str);
541 XBT_INFO("Counter-example execution trace:");
542 MC_dump_stack_safety(mc_stack_safety);
546 void MC_show_stack_liveness(xbt_fifo_t stack){
548 mc_pair_stateless_t pair;
549 xbt_fifo_item_t item;
551 char *req_str = NULL;
553 for (item = xbt_fifo_get_last_item(stack);
554 (item ? (pair = (mc_pair_stateless_t) (xbt_fifo_get_item_content(item)))
555 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
556 req = MC_state_get_executed_request(pair->graph_state, &value);
558 if(pair->requests>0){
559 req_str = MC_request_to_string(req, value);
560 XBT_INFO("%s", req_str);
563 XBT_INFO("End of system requests but evolution in Büchi automaton");
569 void MC_dump_stack_liveness(xbt_fifo_t stack){
571 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
573 mc_pair_stateless_t pair;
576 while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
577 pair_stateless_free(pair);
586 void MC_print_statistics(mc_stats_t stats)
588 //XBT_INFO("State space size ~= %lu", stats->state_size);
589 XBT_INFO("Expanded states = %lu", stats->expanded_states);
590 XBT_INFO("Visited states = %lu", stats->visited_states);
591 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
592 XBT_INFO("Expanded / Visited = %lf",
593 (double) stats->visited_states / stats->expanded_states);
594 /*XBT_INFO("Exploration coverage = %lf",
595 (double)stats->expanded_states / stats->state_size); */
598 void MC_print_statistics_pairs(mc_stats_pair_t stats)
600 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
601 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
602 //XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
603 XBT_INFO("Expanded / Visited = %lf",
604 (double) stats->visited_pairs / stats->expanded_pairs);
605 /*XBT_INFO("Exploration coverage = %lf",
606 (double)stats->expanded_states / stats->state_size); */
609 void MC_assert(int prop)
611 if (MC_is_active() && !prop){
612 XBT_INFO("**************************");
613 XBT_INFO("*** PROPERTY NOT VALID ***");
614 XBT_INFO("**************************");
615 XBT_INFO("Counter-example execution trace:");
616 MC_dump_stack_safety(mc_stack_safety);
617 MC_print_statistics(mc_stats);
622 static void MC_assert_pair(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_show_stack_liveness(mc_stack_liveness);
629 //MC_dump_snapshot_stack(mc_snapshot_stack);
630 MC_print_statistics_pairs(mc_stats_pair);
635 void MC_process_clock_add(smx_process_t process, double amount)
637 mc_time[process->pid] += amount;
640 double MC_process_clock_get(smx_process_t process)
644 return mc_time[process->pid];
652 void MC_automaton_load(const char *file){
654 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
658 if (_mc_property_automaton == NULL)
659 _mc_property_automaton = xbt_automaton_new();
661 xbt_automaton_load(_mc_property_automaton,file);
670 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
672 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
676 if (_mc_property_automaton == NULL)
677 _mc_property_automaton = xbt_automaton_new();
679 xbt_new_propositional_symbol(_mc_property_automaton,id,fct);
688 /************ MC_ignore ***********/
690 void MC_ignore_heap(void *address, size_t size){
692 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
696 if(mc_heap_comparison_ignore == NULL)
697 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), NULL);
699 mc_heap_ignore_region_t region = NULL;
700 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
701 region->address = address;
704 if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_SIZE))){
706 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
708 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
709 region->fragment = -1;
711 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
716 unsigned int cursor = 0;
717 mc_heap_ignore_region_t current_region;
718 xbt_dynar_foreach(mc_heap_comparison_ignore, cursor, current_region){
719 if(current_region->address > address)
723 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
731 void MC_ignore_stack(const char *var_name, const char *frame){
733 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
737 if(mc_stack_comparison_ignore == NULL)
738 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL);
740 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
742 mc_stack_ignore_variable_t var = NULL;
743 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
744 var->var_name = strdup(var_name);
745 var->frame = strdup(frame);
747 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
751 unsigned int cursor = 0;
753 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
754 mc_stack_ignore_variable_t current_var = NULL;
757 cursor = (start + end) / 2;
758 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
759 if(strcmp(current_var->frame, frame) == 0){
760 if(strcmp(current_var->var_name, var_name) == 0){
766 if(strcmp(current_var->var_name, var_name) < 0)
768 if(strcmp(current_var->var_name, var_name) > 0)
771 if(strcmp(current_var->frame, frame) < 0)
773 if(strcmp(current_var->frame, frame) > 0)
777 mc_stack_ignore_variable_t var = NULL;
778 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
779 var->var_name = strdup(var_name);
780 var->frame = strdup(frame);
782 if(strcmp(current_var->frame, frame) < 0)
783 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
785 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
796 void MC_new_stack_area(void *stack, char *name, void* context){
798 raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
801 if(stacks_areas == NULL)
802 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
804 stack_region_t region = NULL;
805 region = xbt_new0(s_stack_region_t, 1);
806 region->address = stack;
807 region->process_name = strdup(name);
808 region->context = context;
809 xbt_dynar_push(stacks_areas, ®ion);
817 /************ DWARF ***********/
819 xbt_dict_t MC_get_location_list(const char *elf_file){
821 char *command = bprintf("objdump -Wo %s", elf_file);
823 FILE *fp = popen(command, "r");
826 perror("popen for objdump failed");
828 int debug = 0; /*Detect if the program has been compiled with -g */
830 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
831 char *line = NULL, *loc_expr = NULL;
835 xbt_dynar_t split = NULL;
837 while ((read = getline(&line, &n, fp)) != -1) {
839 /* Wipeout the new line character */
840 line[read - 1] = '\0';
842 xbt_str_trim(line, NULL);
847 if(strlen(line) == 0)
852 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
855 if(strncmp(line, "Contents", 8) == 0)
858 if(strncmp(line, "Offset", 6) == 0){
865 XBT_INFO("Your program must be compiled with -g");
869 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
871 xbt_str_strip_spaces(line);
872 split = xbt_str_split(line, " ");
874 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
876 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
877 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
878 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
881 while(cursor_remove < 3){
882 xbt_dynar_remove_at(split, 0, NULL);
886 loc_expr = xbt_str_join(split, " ");
887 xbt_str_ltrim(loc_expr, "(");
888 xbt_str_rtrim(loc_expr, ")");
889 new_entry->location = get_location(NULL, loc_expr);
891 xbt_dynar_push(loclist, &new_entry);
893 xbt_dynar_free(&split);
896 read = getline(&line, &n, fp);
898 line[read - 1] = '\0';
899 xbt_str_strip_spaces(line);
900 split = xbt_str_split(line, " ");
906 char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
907 xbt_dict_set(location_list, key, loclist, NULL);
909 xbt_dynar_free(&split);
917 return location_list;
920 char *get_libsimgrid_path(){
922 char *command = bprintf("ldd %s", xbt_binary_name);
924 FILE *fp = popen(command, "r");
926 perror("popen for ldd failed");
933 while((read = getline(&line, &n, fp)) != -1){
938 /* Wipeout the new line character */
939 line[read - 1] = '\0';
941 xbt_str_strip_spaces(line);
942 xbt_str_ltrim(line, NULL);
943 split = xbt_str_split(line, " ");
945 if(strncmp((char *)xbt_dynar_get_as(split, 0, char *), "libsimgrid.so", 13) == 0){
949 return ((char *)xbt_dynar_get_as(split, 2, char *));
952 xbt_dynar_free(&split);
964 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
966 xbt_dict_cursor_t cursor = NULL;
970 xbt_dict_foreach(all_variables, cursor, name, res) {
971 if(offset >= res->start && offset < res->end)
979 void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){
981 char *command = bprintf("objdump -Wi %s", elf_file);
983 FILE *fp = popen(command, "r");
986 perror("popen for objdump failed");
988 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL;
991 int valid_variable = 1;
992 char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL;
993 xbt_dynar_t split = NULL, split2 = NULL;
995 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL);
996 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL);
997 char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL;
998 int new_frame = 0, new_variable = 0;
999 dw_frame_t variable_frame, subroutine_frame = NULL;
1001 read = getline(&line, &n, fp);
1003 while (read != -1) {
1006 read = getline(&line, &n, fp);
1010 /* Wipeout the new line character */
1011 line[read - 1] = '\0';
1013 if(strlen(line) == 0){
1014 read = getline(&line, &n, fp);
1018 xbt_str_ltrim(line, NULL);
1019 xbt_str_strip_spaces(line);
1022 read = getline(&line, &n, fp);
1026 xbt_dynar_free(&split);
1027 split = xbt_str_split(line, " ");
1030 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1032 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
1034 dw_frame_t frame = NULL;
1036 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1037 subprogram_start = strdup(strtok(NULL, "<"));
1038 xbt_str_rtrim(subprogram_start, ">:");
1040 read = getline(&line, &n, fp);
1045 read = getline(&line, &n, fp);
1049 /* Wipeout the new line character */
1050 line[read - 1] = '\0';
1052 if(strlen(line) == 0){
1053 read = getline(&line, &n, fp);
1057 xbt_dynar_free(&split);
1058 xbt_str_rtrim(line, NULL);
1059 xbt_str_strip_spaces(line);
1060 split = xbt_str_split(line, " ");
1062 node_type = xbt_dynar_get_as(split, 1, char *);
1064 if(strncmp(node_type, "DW_AT_", 6) != 0)
1067 if(strcmp(node_type, "DW_AT_sibling") == 0){
1069 subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*));
1070 xbt_str_ltrim(subprogram_end, "<0x");
1071 xbt_str_rtrim(subprogram_end, ">");
1073 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
1076 abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*));
1077 xbt_str_ltrim(abstract_origin, "<0x");
1078 xbt_str_rtrim(abstract_origin, ">");
1079 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
1080 frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1082 }else if(strcmp(node_type, "DW_AT_name") == 0){
1085 free(current_frame);
1086 frame = xbt_new0(s_dw_frame_t, 1);
1087 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1088 frame->variables = xbt_dict_new_homogeneous(NULL);
1089 frame->frame_base = xbt_new0(s_dw_location_t, 1);
1090 current_frame = strdup(frame->name);
1092 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1094 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
1096 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1098 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1100 frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1104 xbt_str_strip_spaces(line);
1105 split2 = xbt_str_split(line, "(");
1106 xbt_dynar_remove_at(split2, 0, NULL);
1107 loc_expr = xbt_str_join(split2, " ");
1108 xbt_str_rtrim(loc_expr, ")");
1109 frame->frame_base = get_location(NULL, loc_expr);
1110 xbt_dynar_free(&split2);
1114 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1117 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1119 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1122 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1124 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
1127 free(current_frame);
1128 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1129 current_frame = strdup(frame->name);
1130 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1134 read = getline(&line, &n, fp);
1139 frame->start = strtoul(subprogram_start, NULL, 16);
1140 if(subprogram_end != NULL)
1141 frame->end = strtoul(subprogram_end, NULL, 16);
1142 xbt_dict_set(*all_variables, frame->name, frame, NULL);
1145 free(subprogram_start);
1146 if(subprogram_end != NULL){
1147 free(subprogram_end);
1148 subprogram_end = NULL;
1152 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
1154 dw_local_variable_t var = NULL;
1156 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1157 origin = strdup(strtok(NULL, "<"));
1158 xbt_str_rtrim(origin, ">:");
1160 read = getline(&line, &n, fp);
1165 read = getline(&line, &n, fp);
1169 /* Wipeout the new line character */
1170 line[read - 1] = '\0';
1172 if(strlen(line) == 0){
1173 read = getline(&line, &n, fp);
1177 xbt_dynar_free(&split);
1178 xbt_str_rtrim(line, NULL);
1179 xbt_str_strip_spaces(line);
1180 split = xbt_str_split(line, " ");
1182 node_type = xbt_dynar_get_as(split, 1, char *);
1184 if(strncmp(node_type, "DW_AT_", 6) != 0)
1187 if(strcmp(node_type, "DW_AT_name") == 0){
1190 var = xbt_new0(s_dw_local_variable_t, 1);
1191 var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1193 xbt_dict_set(variables_origin, origin, var->name, NULL);
1195 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1198 abstract_origin = xbt_dynar_get_as(split, 2, char *);
1199 xbt_str_ltrim(abstract_origin, "<0x");
1200 xbt_str_rtrim(abstract_origin, ">");
1202 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
1203 variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16));
1204 var = xbt_dict_get_or_null(variable_frame->variables, variable_name);
1206 }else if(strcmp(node_type, "DW_AT_location") == 0){
1208 if(valid_variable == 1 && var != NULL){
1210 var->location = xbt_new0(s_dw_location_t, 1);
1212 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1214 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1216 var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1220 xbt_str_strip_spaces(line);
1221 split2 = xbt_str_split(line, "(");
1222 xbt_dynar_remove_at(split2, 0, NULL);
1223 loc_expr = xbt_str_join(split2, " ");
1224 xbt_str_rtrim(loc_expr, ")");
1225 var->location = get_location(NULL, loc_expr);
1226 xbt_dynar_free(&split2);
1232 }else if(strcmp(node_type, "DW_AT_external") == 0){
1238 read = getline(&line, &n, fp);
1242 if(new_variable == 1 && valid_variable == 1){
1244 variable_frame = xbt_dict_get_or_null(*all_variables, current_frame);
1245 xbt_dict_set(variable_frame->variables, var->name, var, NULL);
1251 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
1253 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1254 origin = strdup(strtok(NULL, "<"));
1255 xbt_str_rtrim(origin, ">:");
1257 read = getline(&line, &n, fp);
1261 /* Wipeout the new line character */
1262 line[read - 1] = '\0';
1265 read = getline(&line, &n, fp);
1269 if(strlen(line) == 0){
1270 read = getline(&line, &n, fp);
1274 xbt_dynar_free(&split);
1275 xbt_str_rtrim(line, NULL);
1276 xbt_str_strip_spaces(line);
1277 split = xbt_str_split(line, " ");
1279 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
1282 node_type = xbt_dynar_get_as(split, 1, char *);
1284 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1286 origin = xbt_dynar_get_as(split, 2, char *);
1287 xbt_str_ltrim(origin, "<0x");
1288 xbt_str_rtrim(origin, ">");
1290 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
1291 subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1293 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1295 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1297 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1299 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1302 read = getline(&line, &n, fp);
1308 read = getline(&line, &n, fp);
1314 xbt_dynar_free(&split);
1321 static dw_location_t get_location(xbt_dict_t location_list, char *expr){
1323 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
1325 if(location_list != NULL){
1327 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
1328 loc->type = e_dw_loclist;
1329 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
1331 XBT_INFO("Key not found in loclist");
1337 char *tok = NULL, *tok2 = NULL;
1339 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
1340 xbt_dynar_t tokens2;
1342 loc->type = e_dw_compose;
1343 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
1345 while(cursor < xbt_dynar_length(tokens1)){
1347 tok = xbt_dynar_get_as(tokens1, cursor, char*);
1348 tokens2 = xbt_str_split(tok, " ");
1349 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
1351 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
1352 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1353 new_element->type = e_dw_register;
1354 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
1355 xbt_dynar_push(loc->location.compose, &new_element);
1356 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
1357 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1358 new_element->type = e_dw_fbregister_op;
1359 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1360 xbt_dynar_push(loc->location.compose, &new_element);
1361 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
1362 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1363 new_element->type = e_dw_bregister_op;
1364 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
1365 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1366 xbt_dynar_push(loc->location.compose, &new_element);
1367 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
1368 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1369 new_element->type = e_dw_lit;
1370 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
1371 xbt_dynar_push(loc->location.compose, &new_element);
1372 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
1373 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1374 new_element->type = e_dw_piece;
1375 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1376 /*if(strlen(xbt_dynar_get_as(tokens2, 1, char*)) > 1)
1377 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1379 new_element->location.piece = xbt_dynar_get_as(tokens2, 1, char*)[0] - '0';*/
1380 xbt_dynar_push(loc->location.compose, &new_element);
1381 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
1382 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1383 new_element->type = e_dw_plus_uconst;
1384 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, 1, char *));
1385 xbt_dynar_push(loc->location.compose, &new_element);
1386 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
1387 strcmp(tok, "DW_OP_and") == 0 ||
1388 strcmp(tok, "DW_OP_div") == 0 ||
1389 strcmp(tok, "DW_OP_minus") == 0 ||
1390 strcmp(tok, "DW_OP_mod") == 0 ||
1391 strcmp(tok, "DW_OP_mul") == 0 ||
1392 strcmp(tok, "DW_OP_neg") == 0 ||
1393 strcmp(tok, "DW_OP_not") == 0 ||
1394 strcmp(tok, "DW_OP_or") == 0 ||
1395 strcmp(tok, "DW_OP_plus") == 0){
1396 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1397 new_element->type = e_dw_arithmetic;
1398 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
1399 xbt_dynar_push(loc->location.compose, &new_element);
1400 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
1401 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
1402 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1403 new_element->type = e_dw_deref;
1404 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, 1, char*));
1405 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1406 new_element->location.deref_size = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1408 new_element->location.deref_size = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1409 xbt_dynar_push(loc->location.compose, &new_element);
1410 }else if(strcmp(tok, "DW_OP_deref") == 0){
1411 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1412 new_element->type = e_dw_deref;
1413 new_element->location.deref_size = sizeof(void *);
1414 xbt_dynar_push(loc->location.compose, &new_element);
1415 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
1416 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1417 new_element->type = e_dw_uconstant;
1418 new_element->location.uconstant.bytes = 1;
1419 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1420 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1421 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens, cursor, char*)));
1423 new_element->location.uconstant.value = (unsigned long int)(xbt_dynar_get_as(tokens, cursor, char*)[0] - '0');*/
1424 xbt_dynar_push(loc->location.compose, &new_element);
1425 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
1426 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1427 new_element->type = e_dw_sconstant;
1428 new_element->location.sconstant.bytes = 1;
1429 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1430 xbt_dynar_push(loc->location.compose, &new_element);
1431 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
1432 strcmp(tok2, "DW_OP_const2u:") == 0 ||
1433 strcmp(tok2, "DW_OP_const4u:") == 0 ||
1434 strcmp(tok2, "DW_OP_const8u:") == 0){
1435 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1436 new_element->type = e_dw_uconstant;
1437 new_element->location.uconstant.bytes = tok2[11] - '0';
1438 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1439 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1440 new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1442 new_element->location.constant.value = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1443 xbt_dynar_push(loc->location.compose, &new_element);
1444 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
1445 strcmp(tok, "DW_OP_const2s") == 0 ||
1446 strcmp(tok, "DW_OP_const4s") == 0 ||
1447 strcmp(tok, "DW_OP_const8s") == 0){
1448 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1449 new_element->type = e_dw_sconstant;
1450 new_element->location.sconstant.bytes = tok2[11] - '0';
1451 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1452 xbt_dynar_push(loc->location.compose, &new_element);
1454 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1455 new_element->type = e_dw_unsupported;
1456 xbt_dynar_push(loc->location.compose, &new_element);
1460 xbt_dynar_free(&tokens2);
1464 xbt_dynar_free(&tokens1);
1473 void print_local_variables(xbt_dict_t list){
1475 dw_location_entry_t entry;
1476 dw_location_t location_entry;
1477 unsigned int cursor3 = 0, cursor4 = 0;
1478 xbt_dict_cursor_t cursor = 0, cursor2 = 0;
1480 char *frame_name, *variable_name;
1481 dw_frame_t current_frame;
1482 dw_local_variable_t current_variable;
1484 xbt_dict_foreach(list, cursor, frame_name, current_frame){
1485 fprintf(stderr, "Frame name : %s\n", current_frame->name);
1486 fprintf(stderr, "Location type : %d\n", current_frame->frame_base->type);
1487 xbt_dict_foreach((xbt_dict_t)current_frame->variables, cursor2, variable_name, current_variable){
1488 fprintf(stderr, "Name : %s\n", current_variable->name);
1489 if(current_variable->location == NULL)
1491 fprintf(stderr, "Location type : %d\n", current_variable->location->type);
1492 switch(current_variable->location->type){
1494 xbt_dynar_foreach(current_variable->location->location.loclist, cursor3, entry){
1495 fprintf(stderr, "Lowpc : %lx, Highpc : %lx,", entry->lowpc, entry->highpc);
1496 switch(entry->location->type){
1497 case e_dw_register :
1498 fprintf(stderr, " Location : in register %d\n", entry->location->location.reg);
1500 case e_dw_bregister_op:
1501 fprintf(stderr, " Location : Add %d to the value in register %d\n", entry->location->location.breg_op.offset, entry->location->location.breg_op.reg);
1504 fprintf(stderr, "Value already kwnown : %d\n", entry->location->location.lit);
1506 case e_dw_fbregister_op:
1507 fprintf(stderr, " Location : %d bytes from logical frame pointer\n", entry->location->location.fbreg_op);
1510 fprintf(stderr, " Location :\n");
1511 xbt_dynar_foreach(entry->location->location.compose, cursor4, location_entry){
1512 switch(location_entry->type){
1513 case e_dw_register :
1514 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1516 case e_dw_bregister_op:
1517 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);
1520 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1522 case e_dw_fbregister_op:
1523 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1526 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);
1528 case e_dw_arithmetic :
1529 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1532 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1534 case e_dw_uconstant :
1535 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1537 case e_dw_sconstant :
1538 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1541 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1547 fprintf(stderr, "Location type not supported\n");
1554 fprintf(stderr, "Location :\n");
1555 xbt_dynar_foreach(current_variable->location->location.compose, cursor4, location_entry){
1556 switch(location_entry->type){
1557 case e_dw_register :
1558 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1560 case e_dw_bregister_op:
1561 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);
1564 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1566 case e_dw_fbregister_op:
1567 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1570 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);
1572 case e_dw_arithmetic :
1573 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1576 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1578 case e_dw_uconstant :
1579 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1581 case e_dw_sconstant :
1582 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1585 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1591 fprintf(stderr, "Location type not supported\n");