1 /* Copyright (c) 2008-2012 Da SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "../surf/surf_private.h"
12 #include "../simix/smx_private.h"
13 #include "../xbt/mmalloc/mmprivate.h"
15 #include "mc_private.h"
16 #include "xbt/automaton.h"
19 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
20 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
21 "Logging specific to MC (global)");
23 /* Configuration support */
24 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
27 extern int _surf_init_status;
28 void _mc_cfg_cb_reduce(const char *name, int pos) {
29 if (_surf_init_status && !_surf_do_model_check) {
30 xbt_die("You are specifying a reduction strategy after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
32 char *val= xbt_cfg_get_string(_surf_cfg_set, name);
33 if (!strcasecmp(val,"none")) {
34 mc_reduce_kind = e_mc_reduce_none;
35 } else if (!strcasecmp(val,"dpor")) {
36 mc_reduce_kind = e_mc_reduce_dpor;
38 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
40 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
43 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
44 if (_surf_init_status && !_surf_do_model_check) {
45 xbt_die("You are specifying a checkpointing value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
47 _surf_mc_checkpoint = xbt_cfg_get_int(_surf_cfg_set, name);
48 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
50 void _mc_cfg_cb_property(const char *name, int pos) {
51 if (_surf_init_status && !_surf_do_model_check) {
52 xbt_die("You are specifying a property after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
54 _surf_mc_property_file= xbt_cfg_get_string(_surf_cfg_set, name);
55 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
58 void _mc_cfg_cb_timeout(const char *name, int pos) {
59 if (_surf_init_status && !_surf_do_model_check) {
60 xbt_die("You are specifying a value to enable/disable timeout for wait requests after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
62 _surf_mc_timeout= xbt_cfg_get_int(_surf_cfg_set, name);
63 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
66 void _mc_cfg_cb_max_depth(const char *name, int pos) {
67 if (_surf_init_status && !_surf_do_model_check) {
68 xbt_die("You are specifying a max depth value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
70 _surf_mc_max_depth= xbt_cfg_get_int(_surf_cfg_set, name);
71 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
74 void _mc_cfg_cb_stateful(const char *name, int pos) {
75 if (_surf_init_status && !_surf_do_model_check) {
76 xbt_die("You are trying to change stateful mode after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
78 _surf_mc_stateful= xbt_cfg_get_int(_surf_cfg_set, name);
79 xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
83 /* MC global data structures */
85 mc_state_t mc_current_state = NULL;
86 char mc_replay_mode = FALSE;
87 double *mc_time = NULL;
91 xbt_fifo_t mc_stack_safety = NULL;
92 mc_stats_t mc_stats = NULL;
93 mc_global_t initial_state_safety = NULL;
97 mc_stats_pair_t mc_stats_pair = NULL;
98 xbt_fifo_t mc_stack_liveness = NULL;
99 mc_global_t initial_state_liveness = NULL;
103 xbt_dict_t mc_local_variables = NULL;
105 /* Ignore mechanism */
106 xbt_dynar_t mc_stack_comparison_ignore;
107 xbt_dynar_t mc_data_bss_comparison_ignore;
108 extern xbt_dynar_t mc_heap_comparison_ignore;
109 extern xbt_dynar_t stacks_areas;
111 xbt_automaton_t _mc_property_automaton = NULL;
113 /* Static functions */
115 static void MC_assert_pair(int prop);
116 static dw_location_t get_location(xbt_dict_t location_list, char *expr);
117 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset);
119 void MC_do_the_modelcheck_for_real() {
120 if (!_surf_mc_property_file || _surf_mc_property_file[0]=='\0') {
121 if (mc_reduce_kind==e_mc_reduce_unset)
122 mc_reduce_kind=e_mc_reduce_dpor;
124 XBT_INFO("Check a safety property");
125 MC_modelcheck_safety();
129 if (mc_reduce_kind==e_mc_reduce_unset)
130 mc_reduce_kind=e_mc_reduce_none;
132 XBT_INFO("Check the liveness property %s",_surf_mc_property_file);
133 MC_automaton_load(_surf_mc_property_file);
134 MC_modelcheck_liveness();
139 void MC_compare(void){
145 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
147 mc_time = xbt_new0(double, simix_process_maxpid);
149 /* mc_time refers to clock for each process -> ignore it for heap comparison */
151 for(i = 0; i<simix_process_maxpid; i++)
152 MC_ignore_heap(&(mc_time[i]), sizeof(double));
156 /* Initialize the data structures that must be persistent across every
157 iteration of the model-checker (in RAW memory) */
161 char *ls_path = get_libsimgrid_path();
163 mc_local_variables = xbt_dict_new_homogeneous(NULL);
165 /* Get local variables in binary for state equality detection */
166 xbt_dict_t binary_location_list = MC_get_location_list(xbt_binary_name);
167 MC_get_local_variables(xbt_binary_name, binary_location_list, &mc_local_variables);
169 /* Get local variables in libsimgrid for state equality detection */
170 xbt_dict_t libsimgrid_location_list = MC_get_location_list(ls_path);
171 MC_get_local_variables(ls_path, libsimgrid_location_list, &mc_local_variables);
175 MC_init_memory_map_info();
177 /* Get .plt section (start and end addresses) for data libsimgrid and data program comparison */
178 get_libsimgrid_plt_section();
179 get_binary_plt_section();
186 void MC_modelcheck_safety(void)
188 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
190 /* Check if MC is already initialized */
191 if (initial_state_safety)
194 mc_time = xbt_new0(double, simix_process_maxpid);
196 /* Initialize the data structures that must be persistent across every
197 iteration of the model-checker (in RAW memory) */
201 /* Initialize statistics */
202 mc_stats = xbt_new0(s_mc_stats_t, 1);
203 mc_stats->state_size = 1;
205 /* Create exploration stack */
206 mc_stack_safety = xbt_fifo_new();
215 /* Save the initial state */
216 initial_state_safety = xbt_new0(s_mc_global_t, 1);
217 initial_state_safety->snapshot = MC_take_snapshot();
218 //MC_take_snapshot(initial_snapshot);
229 void MC_modelcheck_liveness(){
231 int 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 /* Create exploration stack */
241 mc_stack_liveness = xbt_fifo_new();
243 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
250 MC_print_statistics_pairs(mc_stats_pair);
261 MC_print_statistics(mc_stats);
267 int MC_random(int min, int max)
269 /*FIXME: return mc_current_state->executed_transition->random.value;*/
274 * \brief Schedules all the process that are ready to run
276 void MC_wait_for_requests(void)
278 smx_process_t process;
282 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
283 SIMIX_process_runall();
284 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
285 req = &process->simcall;
286 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
287 SIMIX_simcall_pre(req, 0);
292 int MC_deadlock_check()
294 int deadlock = FALSE;
295 smx_process_t process;
296 if(xbt_swag_size(simix_global->process_list)){
298 xbt_swag_foreach(process, simix_global->process_list){
299 if(process->simcall.call != SIMCALL_NONE
300 && MC_request_is_enabled(&process->simcall)){
310 * \brief Re-executes from the state at position start all the transitions indicated by
311 * a given model-checker stack.
312 * \param stack The stack with the transitions to execute.
313 * \param start Start index to begin the re-execution.
315 void MC_replay(xbt_fifo_t stack, int start)
317 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
321 smx_simcall_t req = NULL, saved_req = NULL;
322 xbt_fifo_item_t item, start_item;
325 XBT_DEBUG("**** Begin Replay ****");
328 /* Restore the initial state */
329 MC_restore_snapshot(initial_state_safety->snapshot);
330 /* At the moment of taking the snapshot the raw heap was set, so restoring
331 * it will set it back again, we have to unset it to continue */
335 start_item = xbt_fifo_get_last_item(stack);
338 start_item = xbt_fifo_get_prev_item(start_item);
343 /* Traverse the stack from the state at position start and re-execute the transitions */
344 for (item = start_item;
345 item != xbt_fifo_get_first_item(stack);
346 item = xbt_fifo_get_prev_item(item)) {
348 state = (mc_state_t) xbt_fifo_get_item_content(item);
349 saved_req = MC_state_get_executed_request(state, &value);
352 /* because we got a copy of the executed request, we have to fetch the
353 real one, pointed by the request field of the issuer process */
354 req = &saved_req->issuer->simcall;
356 /* Debug information */
357 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
358 req_str = MC_request_to_string(req, value);
359 XBT_DEBUG("Replay: %s (%p)", req_str, state);
364 SIMIX_simcall_pre(req, value);
365 MC_wait_for_requests();
367 /* Update statistics */
368 mc_stats->visited_states++;
369 mc_stats->executed_transitions++;
371 XBT_DEBUG("**** End Replay ****");
381 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
384 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
388 smx_simcall_t req = NULL, saved_req = NULL;
389 xbt_fifo_item_t item;
391 mc_pair_stateless_t pair;
394 XBT_DEBUG("**** Begin Replay ****");
396 /* Restore the initial state */
397 MC_restore_snapshot(initial_state_liveness->snapshot);
399 /* At the moment of taking the snapshot the raw heap was set, so restoring
400 * it will set it back again, we have to unset it to continue */
401 if(!initial_state_liveness->raw_mem_set)
406 item = xbt_fifo_get_last_item(stack);
408 while(depth <= xbt_fifo_size(stack)){
410 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
411 state = (mc_state_t) pair->graph_state;
413 if(pair->requests > 0){
415 saved_req = MC_state_get_executed_request(state, &value);
416 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
418 if(saved_req != NULL){
419 /* because we got a copy of the executed request, we have to fetch the
420 real one, pointed by the request field of the issuer process */
421 req = &saved_req->issuer->simcall;
422 //XBT_DEBUG("Req->call %u", req->call);
424 /* Debug information */
425 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
426 req_str = MC_request_to_string(req, value);
427 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
433 SIMIX_simcall_pre(req, value);
434 MC_wait_for_requests();
439 /* Update statistics */
440 mc_stats_pair->visited_pairs++;
442 item = xbt_fifo_get_prev_item(item);
447 /* Traverse the stack from the initial state and re-execute the transitions */
448 for (item = xbt_fifo_get_last_item(stack);
449 item != xbt_fifo_get_first_item(stack);
450 item = xbt_fifo_get_prev_item(item)) {
452 pair = (mc_pair_stateless_t) xbt_fifo_get_item_content(item);
453 state = (mc_state_t) pair->graph_state;
455 if(pair->requests > 0){
457 saved_req = MC_state_get_executed_request(state, &value);
458 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
460 if(saved_req != NULL){
461 /* because we got a copy of the executed request, we have to fetch the
462 real one, pointed by the request field of the issuer process */
463 req = &saved_req->issuer->simcall;
464 //XBT_DEBUG("Req->call %u", req->call);
466 /* Debug information */
467 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
468 req_str = MC_request_to_string(req, value);
469 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
475 SIMIX_simcall_pre(req, value);
476 MC_wait_for_requests();
481 /* Update statistics */
482 mc_stats_pair->visited_pairs++;
486 XBT_DEBUG("**** End Replay ****");
488 if(initial_state_liveness->raw_mem_set)
496 * \brief Dumps the contents of a model-checker's stack and shows the actual
498 * \param stack The stack to dump
500 void MC_dump_stack_safety(xbt_fifo_t stack)
503 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
505 MC_show_stack_safety(stack);
507 if(!_surf_mc_checkpoint){
512 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
513 MC_state_delete(state);
526 void MC_show_stack_safety(xbt_fifo_t stack)
530 xbt_fifo_item_t item;
532 char *req_str = NULL;
534 for (item = xbt_fifo_get_last_item(stack);
535 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
536 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
537 req = MC_state_get_executed_request(state, &value);
539 req_str = MC_request_to_string(req, value);
540 XBT_INFO("%s", req_str);
546 void MC_show_deadlock(smx_simcall_t req)
548 /*char *req_str = NULL;*/
549 XBT_INFO("**************************");
550 XBT_INFO("*** DEAD-LOCK DETECTED ***");
551 XBT_INFO("**************************");
552 XBT_INFO("Locked request:");
553 /*req_str = MC_request_to_string(req);
554 XBT_INFO("%s", req_str);
556 XBT_INFO("Counter-example execution trace:");
557 MC_dump_stack_safety(mc_stack_safety);
561 void MC_show_stack_liveness(xbt_fifo_t stack){
563 mc_pair_stateless_t pair;
564 xbt_fifo_item_t item;
566 char *req_str = NULL;
568 for (item = xbt_fifo_get_last_item(stack);
569 (item ? (pair = (mc_pair_stateless_t) (xbt_fifo_get_item_content(item)))
570 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
571 req = MC_state_get_executed_request(pair->graph_state, &value);
573 if(pair->requests>0){
574 req_str = MC_request_to_string(req, value);
575 XBT_INFO("%s", req_str);
578 XBT_INFO("End of system requests but evolution in Büchi automaton");
584 void MC_dump_stack_liveness(xbt_fifo_t stack){
586 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
588 mc_pair_stateless_t pair;
591 while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
592 pair_stateless_free(pair);
601 void MC_print_statistics(mc_stats_t stats)
603 //XBT_INFO("State space size ~= %lu", stats->state_size);
604 XBT_INFO("Expanded states = %lu", stats->expanded_states);
605 XBT_INFO("Visited states = %lu", stats->visited_states);
606 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
607 XBT_INFO("Expanded / Visited = %lf",
608 (double) stats->visited_states / stats->expanded_states);
609 /*XBT_INFO("Exploration coverage = %lf",
610 (double)stats->expanded_states / stats->state_size); */
613 void MC_print_statistics_pairs(mc_stats_pair_t stats)
615 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
616 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
617 //XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
618 XBT_INFO("Expanded / Visited = %lf",
619 (double) stats->visited_pairs / stats->expanded_pairs);
621 if(mmalloc_get_current_heap() == raw_heap)
625 void MC_assert(int prop)
627 if (MC_is_active() && !prop){
628 XBT_INFO("**************************");
629 XBT_INFO("*** PROPERTY NOT VALID ***");
630 XBT_INFO("**************************");
631 XBT_INFO("Counter-example execution trace:");
632 MC_dump_stack_safety(mc_stack_safety);
633 MC_print_statistics(mc_stats);
638 static void MC_assert_pair(int prop){
639 if (MC_is_active() && !prop) {
640 XBT_INFO("**************************");
641 XBT_INFO("*** PROPERTY NOT VALID ***");
642 XBT_INFO("**************************");
643 //XBT_INFO("Counter-example execution trace:");
644 MC_show_stack_liveness(mc_stack_liveness);
645 //MC_dump_snapshot_stack(mc_snapshot_stack);
646 MC_print_statistics_pairs(mc_stats_pair);
651 void MC_process_clock_add(smx_process_t process, double amount)
653 mc_time[process->pid] += amount;
656 double MC_process_clock_get(smx_process_t process)
660 return mc_time[process->pid];
668 void MC_automaton_load(const char *file){
670 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
674 if (_mc_property_automaton == NULL)
675 _mc_property_automaton = xbt_automaton_new();
677 xbt_automaton_load(_mc_property_automaton,file);
686 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
688 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
692 if (_mc_property_automaton == NULL)
693 _mc_property_automaton = xbt_automaton_new();
695 xbt_new_propositional_symbol(_mc_property_automaton,id,fct);
704 /************ MC_ignore ***********/
706 void MC_ignore_heap(void *address, size_t size){
708 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
712 if(mc_heap_comparison_ignore == NULL)
713 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), NULL);
715 mc_heap_ignore_region_t region = NULL;
716 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
717 region->address = address;
720 if((address >= std_heap) && (address <= (void*)((char *)std_heap + STD_HEAP_SIZE))){
722 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
724 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
725 region->fragment = -1;
727 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
732 unsigned int cursor = 0;
733 mc_heap_ignore_region_t current_region;
734 xbt_dynar_foreach(mc_heap_comparison_ignore, cursor, current_region){
735 if(current_region->address > address)
739 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
747 void MC_ignore_data_bss(void *address, size_t size){
749 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
753 if(mc_data_bss_comparison_ignore == NULL)
754 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL);
756 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
758 mc_data_bss_ignore_variable_t var = NULL;
759 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
760 var->address = address;
763 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
767 unsigned int cursor = 0;
769 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
770 mc_data_bss_ignore_variable_t current_var = NULL;
773 cursor = (start + end) / 2;
774 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
775 if(current_var->address == address){
781 if(current_var->address < address)
783 if(current_var->address > address)
787 mc_data_bss_ignore_variable_t var = NULL;
788 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
789 var->address = address;
792 if(current_var->address > address)
793 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
795 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
805 void MC_ignore_stack(const char *var_name, const char *frame){
807 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
811 if(mc_stack_comparison_ignore == NULL)
812 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), NULL);
814 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
816 mc_stack_ignore_variable_t var = NULL;
817 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
818 var->var_name = strdup(var_name);
819 var->frame = strdup(frame);
821 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
825 unsigned int cursor = 0;
827 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
828 mc_stack_ignore_variable_t current_var = NULL;
831 cursor = (start + end) / 2;
832 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
833 if(strcmp(current_var->frame, frame) == 0){
834 if(strcmp(current_var->var_name, var_name) == 0){
840 if(strcmp(current_var->var_name, var_name) < 0)
842 if(strcmp(current_var->var_name, var_name) > 0)
845 if(strcmp(current_var->frame, frame) < 0)
847 if(strcmp(current_var->frame, frame) > 0)
851 mc_stack_ignore_variable_t var = NULL;
852 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
853 var->var_name = strdup(var_name);
854 var->frame = strdup(frame);
856 if(strcmp(current_var->frame, frame) < 0)
857 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
859 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
870 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
872 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
875 if(stacks_areas == NULL)
876 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
878 stack_region_t region = NULL;
879 region = xbt_new0(s_stack_region_t, 1);
880 region->address = stack;
881 region->process_name = strdup(name);
882 region->context = context;
884 xbt_dynar_push(stacks_areas, ®ion);
892 /************ DWARF ***********/
894 xbt_dict_t MC_get_location_list(const char *elf_file){
896 char *command = bprintf("objdump -Wo %s", elf_file);
898 FILE *fp = popen(command, "r");
901 perror("popen for objdump failed");
903 int debug = 0; /*Detect if the program has been compiled with -g */
905 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
906 char *line = NULL, *loc_expr = NULL;
910 xbt_dynar_t split = NULL;
912 while ((read = getline(&line, &n, fp)) != -1) {
914 /* Wipeout the new line character */
915 line[read - 1] = '\0';
917 xbt_str_trim(line, NULL);
922 if(strlen(line) == 0)
927 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
930 if(strncmp(line, "Contents", 8) == 0)
933 if(strncmp(line, "Offset", 6) == 0){
940 XBT_INFO("Your program must be compiled with -g");
944 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
946 xbt_str_strip_spaces(line);
947 split = xbt_str_split(line, " ");
949 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
951 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
952 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
953 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
956 while(cursor_remove < 3){
957 xbt_dynar_remove_at(split, 0, NULL);
961 loc_expr = xbt_str_join(split, " ");
962 xbt_str_ltrim(loc_expr, "(");
963 xbt_str_rtrim(loc_expr, ")");
964 new_entry->location = get_location(NULL, loc_expr);
966 xbt_dynar_push(loclist, &new_entry);
968 xbt_dynar_free(&split);
971 read = getline(&line, &n, fp);
973 line[read - 1] = '\0';
974 xbt_str_strip_spaces(line);
975 split = xbt_str_split(line, " ");
981 char *key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
982 xbt_dict_set(location_list, key, loclist, NULL);
984 xbt_dynar_free(&split);
992 return location_list;
995 char *get_libsimgrid_path(){
997 char *command = bprintf("ldd %s", xbt_binary_name);
999 FILE *fp = popen(command, "r");
1001 perror("popen for ldd failed");
1008 while((read = getline(&line, &n, fp)) != -1){
1013 /* Wipeout the new line character */
1014 line[read - 1] = '\0';
1016 xbt_str_strip_spaces(line);
1017 xbt_str_ltrim(line, NULL);
1018 split = xbt_str_split(line, " ");
1020 if(strncmp((char *)xbt_dynar_get_as(split, 0, char *), "libsimgrid.so", 13) == 0){
1024 return ((char *)xbt_dynar_get_as(split, 2, char *));
1027 xbt_dynar_free(&split);
1039 static dw_frame_t get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
1041 xbt_dict_cursor_t cursor = NULL;
1045 xbt_dict_foreach(all_variables, cursor, name, res) {
1046 if(offset >= res->start && offset < res->end)
1054 void MC_get_local_variables(const char *elf_file, xbt_dict_t location_list, xbt_dict_t *all_variables){
1056 char *command = bprintf("objdump -Wi %s", elf_file);
1058 FILE *fp = popen(command, "r");
1061 perror("popen for objdump failed");
1063 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL;
1066 int valid_variable = 1;
1067 char *node_type = NULL, *location_type = NULL, *variable_name = NULL, *loc_expr = NULL;
1068 xbt_dynar_t split = NULL, split2 = NULL;
1070 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(NULL);
1071 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(NULL);
1072 char *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL;
1073 int new_frame = 0, new_variable = 0;
1074 dw_frame_t variable_frame, subroutine_frame = NULL;
1076 read = getline(&line, &n, fp);
1078 while (read != -1) {
1081 read = getline(&line, &n, fp);
1085 /* Wipeout the new line character */
1086 line[read - 1] = '\0';
1088 if(strlen(line) == 0){
1089 read = getline(&line, &n, fp);
1093 xbt_str_ltrim(line, NULL);
1094 xbt_str_strip_spaces(line);
1097 read = getline(&line, &n, fp);
1101 xbt_dynar_free(&split);
1102 split = xbt_str_split(line, " ");
1105 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1107 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
1109 dw_frame_t frame = NULL;
1111 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1112 subprogram_start = strdup(strtok(NULL, "<"));
1113 xbt_str_rtrim(subprogram_start, ">:");
1115 read = getline(&line, &n, fp);
1120 read = getline(&line, &n, fp);
1124 /* Wipeout the new line character */
1125 line[read - 1] = '\0';
1127 if(strlen(line) == 0){
1128 read = getline(&line, &n, fp);
1132 xbt_dynar_free(&split);
1133 xbt_str_rtrim(line, NULL);
1134 xbt_str_strip_spaces(line);
1135 split = xbt_str_split(line, " ");
1137 node_type = xbt_dynar_get_as(split, 1, char *);
1139 if(strncmp(node_type, "DW_AT_", 6) != 0)
1142 if(strcmp(node_type, "DW_AT_sibling") == 0){
1144 subprogram_end = strdup(xbt_dynar_get_as(split, 3, char*));
1145 xbt_str_ltrim(subprogram_end, "<0x");
1146 xbt_str_rtrim(subprogram_end, ">");
1148 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
1151 abstract_origin = strdup(xbt_dynar_get_as(split, 2, char*));
1152 xbt_str_ltrim(abstract_origin, "<0x");
1153 xbt_str_rtrim(abstract_origin, ">");
1154 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
1155 frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1157 }else if(strcmp(node_type, "DW_AT_name") == 0){
1160 free(current_frame);
1161 frame = xbt_new0(s_dw_frame_t, 1);
1162 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1163 frame->variables = xbt_dict_new_homogeneous(NULL);
1164 frame->frame_base = xbt_new0(s_dw_location_t, 1);
1165 current_frame = strdup(frame->name);
1167 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1169 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
1171 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1173 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1175 frame->frame_base = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1179 xbt_str_strip_spaces(line);
1180 split2 = xbt_str_split(line, "(");
1181 xbt_dynar_remove_at(split2, 0, NULL);
1182 loc_expr = xbt_str_join(split2, " ");
1183 xbt_str_rtrim(loc_expr, ")");
1184 frame->frame_base = get_location(NULL, loc_expr);
1185 xbt_dynar_free(&split2);
1189 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1192 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1194 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1197 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1199 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
1202 free(current_frame);
1203 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1204 current_frame = strdup(frame->name);
1205 xbt_dict_set(subprograms_origin, subprogram_start, frame->name, NULL);
1209 read = getline(&line, &n, fp);
1214 frame->start = strtoul(subprogram_start, NULL, 16);
1215 if(subprogram_end != NULL)
1216 frame->end = strtoul(subprogram_end, NULL, 16);
1217 xbt_dict_set(*all_variables, frame->name, frame, NULL);
1220 free(subprogram_start);
1221 if(subprogram_end != NULL){
1222 free(subprogram_end);
1223 subprogram_end = NULL;
1227 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
1229 dw_local_variable_t var = NULL;
1231 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1232 origin = strdup(strtok(NULL, "<"));
1233 xbt_str_rtrim(origin, ">:");
1235 read = getline(&line, &n, fp);
1240 read = getline(&line, &n, fp);
1244 /* Wipeout the new line character */
1245 line[read - 1] = '\0';
1247 if(strlen(line) == 0){
1248 read = getline(&line, &n, fp);
1252 xbt_dynar_free(&split);
1253 xbt_str_rtrim(line, NULL);
1254 xbt_str_strip_spaces(line);
1255 split = xbt_str_split(line, " ");
1257 node_type = xbt_dynar_get_as(split, 1, char *);
1259 if(strncmp(node_type, "DW_AT_", 6) != 0)
1262 if(strcmp(node_type, "DW_AT_name") == 0){
1265 var = xbt_new0(s_dw_local_variable_t, 1);
1266 var->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
1268 xbt_dict_set(variables_origin, origin, var->name, NULL);
1270 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1273 abstract_origin = xbt_dynar_get_as(split, 2, char *);
1274 xbt_str_ltrim(abstract_origin, "<0x");
1275 xbt_str_rtrim(abstract_origin, ">");
1277 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
1278 variable_frame = get_frame_by_offset(*all_variables, strtoul(abstract_origin, NULL, 16));
1279 var = xbt_dict_get_or_null(variable_frame->variables, variable_name);
1281 }else if(strcmp(node_type, "DW_AT_location") == 0){
1283 if(valid_variable == 1 && var != NULL){
1285 var->location = xbt_new0(s_dw_location_t, 1);
1287 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
1289 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
1291 var->location = get_location(location_list, xbt_dynar_get_as(split, 3, char *));
1295 xbt_str_strip_spaces(line);
1296 split2 = xbt_str_split(line, "(");
1297 xbt_dynar_remove_at(split2, 0, NULL);
1298 loc_expr = xbt_str_join(split2, " ");
1299 xbt_str_rtrim(loc_expr, ")");
1300 var->location = get_location(NULL, loc_expr);
1301 xbt_dynar_free(&split2);
1307 }else if(strcmp(node_type, "DW_AT_external") == 0){
1313 read = getline(&line, &n, fp);
1317 if(new_variable == 1 && valid_variable == 1){
1319 variable_frame = xbt_dict_get_or_null(*all_variables, current_frame);
1320 xbt_dict_set(variable_frame->variables, var->name, var, NULL);
1326 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
1328 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1329 origin = strdup(strtok(NULL, "<"));
1330 xbt_str_rtrim(origin, ">:");
1332 read = getline(&line, &n, fp);
1336 /* Wipeout the new line character */
1337 line[read - 1] = '\0';
1340 read = getline(&line, &n, fp);
1344 if(strlen(line) == 0){
1345 read = getline(&line, &n, fp);
1349 xbt_dynar_free(&split);
1350 xbt_str_rtrim(line, NULL);
1351 xbt_str_strip_spaces(line);
1352 split = xbt_str_split(line, " ");
1354 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
1357 node_type = xbt_dynar_get_as(split, 1, char *);
1359 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
1361 origin = xbt_dynar_get_as(split, 2, char *);
1362 xbt_str_ltrim(origin, "<0x");
1363 xbt_str_rtrim(origin, ">");
1365 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
1366 subroutine_frame = xbt_dict_get_or_null(*all_variables, subprogram_name);
1368 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
1370 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1372 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
1374 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
1377 read = getline(&line, &n, fp);
1383 read = getline(&line, &n, fp);
1389 xbt_dynar_free(&split);
1396 static dw_location_t get_location(xbt_dict_t location_list, char *expr){
1398 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
1400 if(location_list != NULL){
1402 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
1403 loc->type = e_dw_loclist;
1404 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
1406 XBT_INFO("Key not found in loclist");
1412 char *tok = NULL, *tok2 = NULL;
1414 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
1415 xbt_dynar_t tokens2;
1417 loc->type = e_dw_compose;
1418 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
1420 while(cursor < xbt_dynar_length(tokens1)){
1422 tok = xbt_dynar_get_as(tokens1, cursor, char*);
1423 tokens2 = xbt_str_split(tok, " ");
1424 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
1426 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
1427 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1428 new_element->type = e_dw_register;
1429 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
1430 xbt_dynar_push(loc->location.compose, &new_element);
1431 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
1432 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1433 new_element->type = e_dw_fbregister_op;
1434 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1435 xbt_dynar_push(loc->location.compose, &new_element);
1436 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
1437 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1438 new_element->type = e_dw_bregister_op;
1439 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
1440 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1441 xbt_dynar_push(loc->location.compose, &new_element);
1442 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
1443 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1444 new_element->type = e_dw_lit;
1445 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
1446 xbt_dynar_push(loc->location.compose, &new_element);
1447 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
1448 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1449 new_element->type = e_dw_piece;
1450 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1451 /*if(strlen(xbt_dynar_get_as(tokens2, 1, char*)) > 1)
1452 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, 1, char*));
1454 new_element->location.piece = xbt_dynar_get_as(tokens2, 1, char*)[0] - '0';*/
1455 xbt_dynar_push(loc->location.compose, &new_element);
1456 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
1457 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1458 new_element->type = e_dw_plus_uconst;
1459 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, 1, char *));
1460 xbt_dynar_push(loc->location.compose, &new_element);
1461 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
1462 strcmp(tok, "DW_OP_and") == 0 ||
1463 strcmp(tok, "DW_OP_div") == 0 ||
1464 strcmp(tok, "DW_OP_minus") == 0 ||
1465 strcmp(tok, "DW_OP_mod") == 0 ||
1466 strcmp(tok, "DW_OP_mul") == 0 ||
1467 strcmp(tok, "DW_OP_neg") == 0 ||
1468 strcmp(tok, "DW_OP_not") == 0 ||
1469 strcmp(tok, "DW_OP_or") == 0 ||
1470 strcmp(tok, "DW_OP_plus") == 0){
1471 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1472 new_element->type = e_dw_arithmetic;
1473 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
1474 xbt_dynar_push(loc->location.compose, &new_element);
1475 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
1476 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
1477 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1478 new_element->type = e_dw_deref;
1479 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, 1, char*));
1480 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1481 new_element->location.deref_size = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1483 new_element->location.deref_size = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1484 xbt_dynar_push(loc->location.compose, &new_element);
1485 }else if(strcmp(tok, "DW_OP_deref") == 0){
1486 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1487 new_element->type = e_dw_deref;
1488 new_element->location.deref_size = sizeof(void *);
1489 xbt_dynar_push(loc->location.compose, &new_element);
1490 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
1491 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1492 new_element->type = e_dw_uconstant;
1493 new_element->location.uconstant.bytes = 1;
1494 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1495 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1496 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens, cursor, char*)));
1498 new_element->location.uconstant.value = (unsigned long int)(xbt_dynar_get_as(tokens, cursor, char*)[0] - '0');*/
1499 xbt_dynar_push(loc->location.compose, &new_element);
1500 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
1501 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1502 new_element->type = e_dw_sconstant;
1503 new_element->location.sconstant.bytes = 1;
1504 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1505 xbt_dynar_push(loc->location.compose, &new_element);
1506 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
1507 strcmp(tok2, "DW_OP_const2u:") == 0 ||
1508 strcmp(tok2, "DW_OP_const4u:") == 0 ||
1509 strcmp(tok2, "DW_OP_const8u:") == 0){
1510 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1511 new_element->type = e_dw_uconstant;
1512 new_element->location.uconstant.bytes = tok2[11] - '0';
1513 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1514 /*if(strlen(xbt_dynar_get_as(tokens, ++cursor, char*)) > 1)
1515 new_element->location.constant.value = atoi(xbt_dynar_get_as(tokens, cursor, char*));
1517 new_element->location.constant.value = xbt_dynar_get_as(tokens, cursor, char*)[0] - '0';*/
1518 xbt_dynar_push(loc->location.compose, &new_element);
1519 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
1520 strcmp(tok, "DW_OP_const2s") == 0 ||
1521 strcmp(tok, "DW_OP_const4s") == 0 ||
1522 strcmp(tok, "DW_OP_const8s") == 0){
1523 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1524 new_element->type = e_dw_sconstant;
1525 new_element->location.sconstant.bytes = tok2[11] - '0';
1526 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, 1, char*)));
1527 xbt_dynar_push(loc->location.compose, &new_element);
1529 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
1530 new_element->type = e_dw_unsupported;
1531 xbt_dynar_push(loc->location.compose, &new_element);
1535 xbt_dynar_free(&tokens2);
1539 xbt_dynar_free(&tokens1);
1548 void print_local_variables(xbt_dict_t list){
1550 dw_location_entry_t entry;
1551 dw_location_t location_entry;
1552 unsigned int cursor3 = 0, cursor4 = 0;
1553 xbt_dict_cursor_t cursor = 0, cursor2 = 0;
1555 char *frame_name, *variable_name;
1556 dw_frame_t current_frame;
1557 dw_local_variable_t current_variable;
1559 xbt_dict_foreach(list, cursor, frame_name, current_frame){
1560 fprintf(stderr, "Frame name : %s\n", current_frame->name);
1561 fprintf(stderr, "Location type : %d\n", current_frame->frame_base->type);
1562 xbt_dict_foreach((xbt_dict_t)current_frame->variables, cursor2, variable_name, current_variable){
1563 fprintf(stderr, "Name : %s\n", current_variable->name);
1564 if(current_variable->location == NULL)
1566 fprintf(stderr, "Location type : %d\n", current_variable->location->type);
1567 switch(current_variable->location->type){
1569 xbt_dynar_foreach(current_variable->location->location.loclist, cursor3, entry){
1570 fprintf(stderr, "Lowpc : %lx, Highpc : %lx,", entry->lowpc, entry->highpc);
1571 switch(entry->location->type){
1572 case e_dw_register :
1573 fprintf(stderr, " Location : in register %d\n", entry->location->location.reg);
1575 case e_dw_bregister_op:
1576 fprintf(stderr, " Location : Add %d to the value in register %d\n", entry->location->location.breg_op.offset, entry->location->location.breg_op.reg);
1579 fprintf(stderr, "Value already kwnown : %d\n", entry->location->location.lit);
1581 case e_dw_fbregister_op:
1582 fprintf(stderr, " Location : %d bytes from logical frame pointer\n", entry->location->location.fbreg_op);
1585 fprintf(stderr, " Location :\n");
1586 xbt_dynar_foreach(entry->location->location.compose, cursor4, location_entry){
1587 switch(location_entry->type){
1588 case e_dw_register :
1589 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1591 case e_dw_bregister_op:
1592 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);
1595 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1597 case e_dw_fbregister_op:
1598 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1601 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);
1603 case e_dw_arithmetic :
1604 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1607 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1609 case e_dw_uconstant :
1610 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1612 case e_dw_sconstant :
1613 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1616 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1622 fprintf(stderr, "Location type not supported\n");
1629 fprintf(stderr, "Location :\n");
1630 xbt_dynar_foreach(current_variable->location->location.compose, cursor4, location_entry){
1631 switch(location_entry->type){
1632 case e_dw_register :
1633 fprintf(stderr, " %d) in register %d\n", cursor4 + 1, location_entry->location.reg);
1635 case e_dw_bregister_op:
1636 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);
1639 fprintf(stderr, "%d) Value already kwnown : %d\n", cursor4 + 1, location_entry->location.lit);
1641 case e_dw_fbregister_op:
1642 fprintf(stderr, " %d) %d bytes from logical frame pointer\n", cursor4 + 1, location_entry->location.fbreg_op);
1645 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);
1647 case e_dw_arithmetic :
1648 fprintf(stderr, "%d) arithmetic operation : %s\n", cursor4 + 1, location_entry->location.arithmetic);
1651 fprintf(stderr, "%d) The %d byte(s) previous value\n", cursor4 + 1, location_entry->location.piece);
1653 case e_dw_uconstant :
1654 fprintf(stderr, "%d) Unsigned constant %lu\n", cursor4 + 1, location_entry->location.uconstant.value);
1656 case e_dw_sconstant :
1657 fprintf(stderr, "%d) Signed constant %lu\n", cursor4 + 1, location_entry->location.sconstant.value);
1660 fprintf(stderr, "%d) Location type not supported\n", cursor4 + 1);
1666 fprintf(stderr, "Location type not supported\n");