1 /* Copyright (c) 2008-2013. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
13 #include "simgrid/sg_config.h"
14 #include "../surf/surf_private.h"
15 #include "../simix/smx_private.h"
16 #include "../xbt/mmalloc/mmprivate.h"
18 #include "mc_private.h"
19 #include "xbt/automaton.h"
22 static void MC_post_process_types(mc_object_info_t info);
24 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
25 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
26 "Logging specific to MC (global)");
28 /* Configuration support */
29 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
31 int _sg_do_model_check = 0;
32 int _sg_mc_checkpoint=0;
33 char* _sg_mc_property_file=NULL;
35 int _sg_mc_max_depth=1000;
37 char *_sg_mc_dot_output_file = NULL;
39 int user_max_depth_reached = 0;
41 void _mc_cfg_cb_reduce(const char *name, int pos) {
42 if (_sg_cfg_init_status && !_sg_do_model_check) {
43 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.");
45 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
46 if (!strcasecmp(val,"none")) {
47 mc_reduce_kind = e_mc_reduce_none;
48 } else if (!strcasecmp(val,"dpor")) {
49 mc_reduce_kind = e_mc_reduce_dpor;
51 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
55 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
56 if (_sg_cfg_init_status && !_sg_do_model_check) {
57 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.");
59 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
61 void _mc_cfg_cb_property(const char *name, int pos) {
62 if (_sg_cfg_init_status && !_sg_do_model_check) {
63 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.");
65 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
68 void _mc_cfg_cb_timeout(const char *name, int pos) {
69 if (_sg_cfg_init_status && !_sg_do_model_check) {
70 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.");
72 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
75 void _mc_cfg_cb_max_depth(const char *name, int pos) {
76 if (_sg_cfg_init_status && !_sg_do_model_check) {
77 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.");
79 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
82 void _mc_cfg_cb_visited(const char *name, int pos) {
83 if (_sg_cfg_init_status && !_sg_do_model_check) {
84 xbt_die("You are specifying a number of stored visited states 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.");
86 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
89 void _mc_cfg_cb_dot_output(const char *name, int pos) {
90 if (_sg_cfg_init_status && !_sg_do_model_check) {
91 xbt_die("You are specifying a file name for a dot output of graph state 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.");
93 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
96 /* MC global data structures */
97 mc_state_t mc_current_state = NULL;
98 char mc_replay_mode = FALSE;
99 double *mc_time = NULL;
100 __thread mc_comparison_times_t mc_comp_times = NULL;
101 __thread double mc_snapshot_comparison_time;
102 mc_stats_t mc_stats = NULL;
105 xbt_fifo_t mc_stack_safety = NULL;
106 mc_global_t initial_state_safety = NULL;
109 xbt_fifo_t mc_stack_liveness = NULL;
110 mc_global_t initial_state_liveness = NULL;
113 xbt_automaton_t _mc_property_automaton = NULL;
116 mc_object_info_t mc_libsimgrid_info = NULL;
117 mc_object_info_t mc_binary_info = NULL;
119 /* Ignore mechanism */
120 xbt_dynar_t mc_stack_comparison_ignore;
121 xbt_dynar_t mc_data_bss_comparison_ignore;
122 extern xbt_dynar_t mc_heap_comparison_ignore;
123 extern xbt_dynar_t stacks_areas;
126 FILE *dot_output = NULL;
127 const char* colors[13];
130 /******************************* DWARF Information *******************************/
131 /**********************************************************************************/
133 /************************** Free functions *************************/
135 static void dw_location_free(dw_location_t l){
137 if(l->type == e_dw_loclist)
138 xbt_dynar_free(&(l->location.loclist));
139 else if(l->type == e_dw_compose)
140 xbt_dynar_free(&(l->location.compose));
141 else if(l->type == e_dw_arithmetic)
142 xbt_free(l->location.arithmetic);
148 static void dw_location_entry_free(dw_location_entry_t e){
149 dw_location_free(e->location);
153 void dw_type_free(dw_type_t t){
155 xbt_free(t->dw_type_id);
156 xbt_dynar_free(&(t->members));
160 static void dw_type_free_voidp(void *t){
161 dw_type_free((dw_type_t) * (void **) t);
164 static void dw_variable_free(dw_variable_t v){
167 xbt_free(v->type_origin);
169 dw_location_free(v->address.location);
174 static void dw_variable_free_voidp(void *t){
175 dw_variable_free((dw_variable_t) * (void **) t);
180 mc_object_info_t MC_new_object_info(void) {
181 mc_object_info_t res = xbt_new(s_mc_object_info_t, 1);
182 res->file_name = NULL;
183 res->start_text = NULL;
184 res->start_data = NULL;
185 res->start_bss = NULL;
186 res->start_plt = NULL;
188 res->start_got_plt = NULL;
189 res->end_got_plt = NULL;
190 res->local_variables = xbt_dict_new_homogeneous(NULL);
191 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
192 res->types = xbt_dict_new_homogeneous(NULL);
196 void MC_free_object_info(mc_object_info_t* info) {
197 xbt_free(&(*info)->file_name);
198 xbt_dict_free(&(*info)->local_variables);
199 xbt_dynar_free(&(*info)->global_variables);
200 xbt_dict_free(&(*info)->types);
205 /*************************************************************************/
207 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
209 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
211 if(location_list != NULL){
213 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
214 loc->type = e_dw_loclist;
215 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
216 if(loc->location.loclist == NULL)
217 XBT_INFO("Key not found in loclist");
224 char *tok = NULL, *tok2 = NULL;
226 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
229 loc->type = e_dw_compose;
230 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
232 while(cursor < xbt_dynar_length(tokens1)){
234 tok = xbt_dynar_get_as(tokens1, cursor, char*);
235 tokens2 = xbt_str_split(tok, " ");
236 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
238 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
239 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
240 new_element->type = e_dw_register;
241 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
242 xbt_dynar_push(loc->location.compose, &new_element);
243 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
244 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
245 new_element->type = e_dw_fbregister_op;
246 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
247 xbt_dynar_push(loc->location.compose, &new_element);
248 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
249 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
250 new_element->type = e_dw_bregister_op;
251 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
252 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
253 xbt_dynar_push(loc->location.compose, &new_element);
254 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
255 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
256 new_element->type = e_dw_lit;
257 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
258 xbt_dynar_push(loc->location.compose, &new_element);
259 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
260 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
261 new_element->type = e_dw_piece;
262 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
263 xbt_dynar_push(loc->location.compose, &new_element);
264 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
265 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
266 new_element->type = e_dw_plus_uconst;
267 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
268 xbt_dynar_push(loc->location.compose, &new_element);
269 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
270 strcmp(tok, "DW_OP_and") == 0 ||
271 strcmp(tok, "DW_OP_div") == 0 ||
272 strcmp(tok, "DW_OP_minus") == 0 ||
273 strcmp(tok, "DW_OP_mod") == 0 ||
274 strcmp(tok, "DW_OP_mul") == 0 ||
275 strcmp(tok, "DW_OP_neg") == 0 ||
276 strcmp(tok, "DW_OP_not") == 0 ||
277 strcmp(tok, "DW_OP_or") == 0 ||
278 strcmp(tok, "DW_OP_plus") == 0){
279 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
280 new_element->type = e_dw_arithmetic;
281 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
282 xbt_dynar_push(loc->location.compose, &new_element);
283 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
284 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
285 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
286 new_element->type = e_dw_deref;
287 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
288 xbt_dynar_push(loc->location.compose, &new_element);
289 }else if(strcmp(tok, "DW_OP_deref") == 0){
290 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
291 new_element->type = e_dw_deref;
292 new_element->location.deref_size = sizeof(void *);
293 xbt_dynar_push(loc->location.compose, &new_element);
294 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
295 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
296 new_element->type = e_dw_uconstant;
297 new_element->location.uconstant.bytes = 1;
298 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
299 xbt_dynar_push(loc->location.compose, &new_element);
300 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
301 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
302 new_element->type = e_dw_sconstant;
303 new_element->location.sconstant.bytes = 1;
304 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
305 xbt_dynar_push(loc->location.compose, &new_element);
306 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
307 strcmp(tok2, "DW_OP_const2u:") == 0 ||
308 strcmp(tok2, "DW_OP_const4u:") == 0 ||
309 strcmp(tok2, "DW_OP_const8u:") == 0){
310 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
311 new_element->type = e_dw_uconstant;
312 new_element->location.uconstant.bytes = tok2[11] - '0';
313 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
314 xbt_dynar_push(loc->location.compose, &new_element);
315 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
316 strcmp(tok, "DW_OP_const2s") == 0 ||
317 strcmp(tok, "DW_OP_const4s") == 0 ||
318 strcmp(tok, "DW_OP_const8s") == 0){
319 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
320 new_element->type = e_dw_sconstant;
321 new_element->location.sconstant.bytes = tok2[11] - '0';
322 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
323 xbt_dynar_push(loc->location.compose, &new_element);
325 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
326 new_element->type = e_dw_unsupported;
327 xbt_dynar_push(loc->location.compose, &new_element);
331 xbt_dynar_free(&tokens2);
335 xbt_dynar_free(&tokens1);
343 /** @brief Extract the location lists from an ELF file (.debug_loc)
345 * @return A map from the offset in the list (in hexadecimal string)
346 * into a location list (dynar of dw_location_entry_t).
348 static xbt_dict_t MC_dwarf_get_location_list(const char *elf_file){
350 char *command = bprintf("LANG=C objdump -Wo %s", elf_file);
352 FILE *fp = popen(command, "r");
355 perror("popen for objdump failed");
359 int debug = 0; /*Detect if the program has been compiled with -g */
361 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
362 char *line = NULL, *loc_expr = NULL;
366 xbt_dynar_t split = NULL;
368 while ((read = xbt_getline(&line, &n, fp)) != -1) {
370 /* Wipeout the new line character */
371 line[read - 1] = '\0';
373 xbt_str_trim(line, NULL);
378 if(strlen(line) == 0)
383 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
386 if(strncmp(line, "Contents", 8) == 0)
389 if(strncmp(line, "Offset", 6) == 0){
396 XBT_INFO("Your program must be compiled with -g");
400 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
402 xbt_str_strip_spaces(line);
403 split = xbt_str_split(line, " ");
406 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
408 // Take the key from the first line of the list:
410 key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
413 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
414 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
415 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
418 while(cursor_remove < 3){
419 xbt_dynar_remove_at(split, 0, NULL);
423 loc_expr = xbt_str_join(split, " ");
424 xbt_str_ltrim(loc_expr, "(");
425 xbt_str_rtrim(loc_expr, ")");
426 new_entry->location = MC_dwarf_get_location(NULL, loc_expr);
428 xbt_dynar_push(loclist, &new_entry);
430 xbt_dynar_free(&split);
433 read = xbt_getline(&line, &n, fp);
435 line[read - 1] = '\0';
436 xbt_str_strip_spaces(line);
437 split = xbt_str_split(line, " ");
443 xbt_dict_set(location_list, key, loclist, NULL);
446 xbt_dynar_free(&split);
454 return location_list;
457 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
459 * The offset can be an offset of a child DW_TAG_variable.
461 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
463 xbt_dict_cursor_t cursor = NULL;
467 xbt_dict_foreach(all_variables, cursor, name, res) {
468 if(offset >= res->start && offset < res->end){
469 xbt_dict_cursor_free(&cursor);
474 xbt_dict_cursor_free(&cursor);
479 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
481 unsigned int cursor = 0;
482 dw_variable_t current_var;
484 xbt_dynar_foreach(frame->variables, cursor, current_var){
485 if(strcmp(var, current_var->name) == 0)
492 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
494 if(xbt_dynar_is_empty(variables))
497 unsigned int cursor = 0;
499 int end = xbt_dynar_length(variables) - 1;
500 dw_variable_t var_test = NULL;
503 cursor = (start + end) / 2;
504 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
505 if(strcmp(var_test->name, var) < 0){
507 }else if(strcmp(var_test->name, var) > 0){
510 if(address){ /* global variable */
511 if(var_test->address.address == address)
513 if(var_test->address.address > address)
517 }else{ /* local variable */
523 if(strcmp(var_test->name, var) == 0){
524 if(address && var_test->address.address < address)
528 }else if(strcmp(var_test->name, var) < 0)
535 /** \brief Fill DWARf debug infomations (types, frames, variables ...). */
536 void MC_dwarf_get_variables(mc_object_info_t info) {
537 if(MC_USE_LIBDW_TYPES)
538 MC_dwarf_get_variables_libdw(info);
539 mc_object_info_t result = info;
540 const char *elf_file = info->file_name;
542 xbt_dict_t location_list = MC_dwarf_get_location_list(elf_file);
544 char *command = bprintf("LANG=C objdump -Wi %s", elf_file);
546 FILE *fp = popen(command, "r");
549 perror("popen for objdump failed");
551 xbt_dict_t *local_variables = &result->local_variables;
552 xbt_dynar_t *global_variables = &result->global_variables;
553 xbt_dict_t *types = &result->types;
555 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL,
556 *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL,
557 *node_type = NULL, *location_type = NULL, *variable_name = NULL,
558 *loc_expr = NULL, *name = NULL, *end =NULL, *type_origin = NULL, *global_address = NULL,
559 *parent_value = NULL;
563 int global_variable = 0, parent = 0, new_frame = 0, new_variable = 1, size = 0,
564 is_pointer = 0, struct_decl = 0, member_end = 0,
565 enumeration_size = 0, subrange = 0, union_decl = 0, offset = 0, index = 0;
567 xbt_dynar_t split = NULL, split2 = NULL;
569 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(xbt_free);
570 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(xbt_free);
572 dw_frame_t variable_frame, subroutine_frame = NULL;
574 e_dw_type_type type_type = -1;
576 read = xbt_getline(&line, &n, fp);
580 /* Wipeout the new line character */
581 line[read - 1] = '\0';
583 if(n == 0 || strlen(line) == 0){
584 read = xbt_getline(&line, &n, fp);
588 xbt_str_ltrim(line, NULL);
589 xbt_str_strip_spaces(line);
592 read = xbt_getline(&line, &n, fp);
596 xbt_dynar_free(&split);
597 split = xbt_str_split(line, " ");
600 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
602 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
603 /* We build/complete a dw_frame_t object
604 * and append it if necessary to the local_variables dictionnary */
606 dw_frame_t frame = NULL;
608 strtok(xbt_dynar_get_as(split, 0, char *), "<");
609 subprogram_start = xbt_strdup(strtok(NULL, "<"));
610 xbt_str_rtrim(subprogram_start, ">:");
612 read = xbt_getline(&line, &n, fp);
616 /* Wipeout the new line character */
617 line[read - 1] = '\0';
619 if(n == 0 || strlen(line) == 0){
620 read = xbt_getline(&line, &n, fp);
624 xbt_dynar_free(&split);
625 xbt_str_rtrim(line, NULL);
626 xbt_str_strip_spaces(line);
627 split = xbt_str_split(line, " ");
629 node_type = xbt_dynar_get_as(split, 1, char *);
631 if(strncmp(node_type, "DW_AT_", 6) != 0)
634 if(strcmp(node_type, "DW_AT_sibling") == 0){
636 subprogram_end = xbt_strdup(xbt_dynar_get_as(split, 3, char*));
637 xbt_str_ltrim(subprogram_end, "<0x");
638 xbt_str_rtrim(subprogram_end, ">");
640 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
643 abstract_origin = xbt_strdup(xbt_dynar_get_as(split, 2, char*));
644 xbt_str_ltrim(abstract_origin, "<0x");
645 xbt_str_rtrim(abstract_origin, ">");
646 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
647 frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
648 xbt_free(abstract_origin);
650 }else if(strcmp(node_type, "DW_AT_name") == 0){
653 xbt_free(current_frame);
654 frame = xbt_new0(s_dw_frame_t, 1);
655 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
656 frame->variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
657 frame->frame_base = xbt_new0(s_dw_location_t, 1);
658 current_frame = strdup(frame->name);
660 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
662 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
664 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
666 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
668 frame->frame_base = MC_dwarf_get_location(location_list, xbt_dynar_get_as(split, 3, char *));
672 xbt_str_strip_spaces(line);
673 split2 = xbt_str_split(line, "(");
674 xbt_dynar_remove_at(split2, 0, NULL);
675 loc_expr = xbt_str_join(split2, " ");
676 xbt_str_rtrim(loc_expr, ")");
677 frame->frame_base = MC_dwarf_get_location(NULL, loc_expr);
678 xbt_dynar_free(&split2);
683 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
686 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
688 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
691 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
693 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
695 xbt_free(frame->name);
696 xbt_free(current_frame);
697 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
698 current_frame = strdup(frame->name);
699 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
703 read = xbt_getline(&line, &n, fp);
708 frame->start = strtoul(subprogram_start, NULL, 16);
709 if(subprogram_end != NULL)
710 frame->end = strtoul(subprogram_end, NULL, 16);
711 xbt_dict_set(*local_variables, frame->name, frame, NULL);
714 xbt_free(subprogram_start);
715 xbt_free(subprogram_end);
716 subprogram_end = NULL;
719 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
720 /* We build a dw_variable_t object and append it either to
721 the list of variables of the frame (local variable)
722 or to the list of global variables (global variables). */
724 dw_variable_t var = NULL;
726 parent_value = strdup(xbt_dynar_get_as(split, 0, char *));
727 parent_value = strtok(parent_value,"<");
728 xbt_str_rtrim(parent_value, ">");
729 parent = atoi(parent_value);
730 xbt_free(parent_value);
735 strtok(xbt_dynar_get_as(split, 0, char *), "<");
736 origin = xbt_strdup(strtok(NULL, "<"));
737 xbt_str_rtrim(origin, ">:");
739 read = xbt_getline(&line, &n, fp);
743 /* Wipeout the new line character */
744 line[read - 1] = '\0';
746 if(n == 0 || strlen(line) == 0){
747 read = xbt_getline(&line, &n, fp);
751 xbt_dynar_free(&split);
752 xbt_str_rtrim(line, NULL);
753 xbt_str_strip_spaces(line);
754 split = xbt_str_split(line, " ");
756 node_type = xbt_dynar_get_as(split, 1, char *);
758 if(strncmp(node_type, "DW_AT_", 6) != 0)
761 if(strcmp(node_type, "DW_AT_name") == 0){
763 var = xbt_new0(s_dw_variable_t, 1);
764 var->dwarf_offset = 0;
765 var->name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
766 xbt_dict_set(variables_origin, origin, xbt_strdup(var->name), NULL);
768 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
772 abstract_origin = xbt_dynar_get_as(split, 2, char *);
773 xbt_str_ltrim(abstract_origin, "<0x");
774 xbt_str_rtrim(abstract_origin, ">");
776 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
777 variable_frame = MC_dwarf_get_frame_by_offset(*local_variables, strtoul(abstract_origin, NULL, 16));
778 var = MC_dwarf_get_variable_by_name(variable_frame, variable_name);
780 }else if(strcmp(node_type, "DW_AT_location") == 0){
784 if(!global_variable){
786 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
788 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
789 var->address.location = MC_dwarf_get_location(location_list, xbt_dynar_get_as(split, 3, char *));
791 xbt_str_strip_spaces(line);
792 split2 = xbt_str_split(line, "(");
793 xbt_dynar_remove_at(split2, 0, NULL);
794 loc_expr = xbt_str_join(split2, " ");
795 xbt_str_rtrim(loc_expr, ")");
796 if(strncmp("DW_OP_addr", loc_expr, 10) == 0){
798 xbt_dynar_free(&split2);
799 split2 = xbt_str_split(loc_expr, " ");
800 if(strcmp(elf_file, xbt_binary_name) != 0)
801 var->address.address = (char *) info->start_text + (long)((void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16));
803 // Why is it different ?
804 var->address.address = (void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16);
806 var->address.location = MC_dwarf_get_location(NULL, loc_expr);
808 xbt_dynar_free(&split2);
812 global_address = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
813 xbt_str_rtrim(global_address, ")");
814 if(strcmp(elf_file, xbt_binary_name) != 0)
815 var->address.address = (char *) info->start_text + (long)((void *)strtoul(global_address, NULL, 16));
817 // Why is it different ?
818 var->address.address = (void *)strtoul(global_address, NULL, 16);
819 xbt_free(global_address);
820 global_address = NULL;
825 }else if(strcmp(node_type, "DW_AT_type") == 0){
827 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
828 xbt_str_ltrim(type_origin, "<0x");
829 xbt_str_rtrim(type_origin, ">");
831 }else if(strcmp(node_type, "DW_AT_declaration") == 0){
835 dw_variable_free(var);
839 }else if(strcmp(node_type, "DW_AT_artificial") == 0){
843 dw_variable_free(var);
849 read = xbt_getline(&line, &n, fp);
853 if(new_variable == 1){
855 if(!global_variable){
856 variable_frame = xbt_dict_get_or_null(*local_variables, current_frame);
857 var->type_origin = strdup(type_origin);
859 index = MC_dwarf_get_variable_index(variable_frame->variables, var->name, NULL);
861 xbt_dynar_insert_at(variable_frame->variables, index, &var);
863 var->type_origin = strdup(type_origin);
865 index = MC_dwarf_get_variable_index(*global_variables, var->name, var->address.address);
867 xbt_dynar_insert_at(*global_variables, index, &var);
870 xbt_free(type_origin);
877 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
878 /* Update the information on the frame (we should duplicate it instead). */
880 read = xbt_getline(&line, &n, fp);
884 /* Wipeout the new line character */
885 line[read - 1] = '\0';
887 if(n == 0 || strlen(line) == 0){
888 read = xbt_getline(&line, &n, fp);
892 xbt_dynar_free(&split);
893 xbt_str_rtrim(line, NULL);
894 xbt_str_strip_spaces(line);
895 split = xbt_str_split(line, " ");
897 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
900 node_type = xbt_dynar_get_as(split, 1, char *);
902 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
904 origin = xbt_dynar_get_as(split, 2, char *);
905 xbt_str_ltrim(origin, "<0x");
906 xbt_str_rtrim(origin, ">");
908 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
909 subroutine_frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
911 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
913 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
915 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
917 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
920 read = xbt_getline(&line, &n, fp);
924 }else if(!MC_USE_LIBDW_TYPES&&(strcmp(node_type, "(DW_TAG_base_type)") == 0
925 || strcmp(node_type, "(DW_TAG_enumeration_type)") == 0
926 || strcmp(node_type, "(DW_TAG_typedef)") == 0
927 || strcmp(node_type, "(DW_TAG_const_type)") == 0
928 || strcmp(node_type, "(DW_TAG_subroutine_type)") == 0
929 || strcmp(node_type, "(DW_TAG_volatile_type)") == 0
930 || (is_pointer = !strcmp(node_type, "(DW_TAG_pointer_type)")))){
932 /* Create the and add it to the types dictionnary */
934 if(strcmp(node_type, "(DW_TAG_base_type)") == 0)
935 type_type = DW_TAG_base_type;
936 else if(strcmp(node_type, "(DW_TAG_enumeration_type)") == 0)
937 type_type = DW_TAG_enumeration_type;
938 else if(strcmp(node_type, "(DW_TAG_typedef)") == 0)
939 type_type = DW_TAG_typedef;
940 else if(strcmp(node_type, "(DW_TAG_const_type)") == 0)
941 type_type = DW_TAG_const_type;
942 else if(strcmp(node_type, "(DW_TAG_pointer_type)") == 0)
943 type_type = DW_TAG_pointer_type;
944 else if(strcmp(node_type, "(DW_TAG_subroutine_type)") == 0)
945 type_type = DW_TAG_subroutine_type;
946 else if(strcmp(node_type, "(DW_TAG_volatile_type)") == 0)
947 type_type = DW_TAG_volatile_type;
949 strtok(xbt_dynar_get_as(split, 0, char *), "<");
950 origin = strdup(strtok(NULL, "<"));
951 xbt_str_rtrim(origin, ">:");
953 read = xbt_getline(&line, &n, fp);
957 /* Wipeout the new line character */
958 line[read - 1] = '\0';
960 if(n == 0 || strlen(line) == 0){
961 read = xbt_getline(&line, &n, fp);
965 xbt_dynar_free(&split);
966 xbt_str_rtrim(line, NULL);
967 xbt_str_strip_spaces(line);
968 split = xbt_str_split(line, " ");
970 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
973 node_type = xbt_dynar_get_as(split, 1, char *);
975 if(strcmp(node_type, "DW_AT_byte_size") == 0){
976 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
977 if(type_type == DW_TAG_enumeration_type)
978 enumeration_size = size;
979 }else if(strcmp(node_type, "DW_AT_name") == 0){
980 end = xbt_str_join(split, " ");
981 xbt_dynar_free(&split);
982 split = xbt_str_split(end, "):");
983 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
984 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
985 }else if(strcmp(node_type, "DW_AT_type") == 0){
986 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
987 xbt_str_ltrim(type_origin, "<0x");
988 xbt_str_rtrim(type_origin, ">");
991 read = xbt_getline(&line, &n, fp);
994 dw_type_t type = xbt_new0(s_dw_type_t, 1);
995 type->type = type_type;
997 type->name = xbt_strdup(name);
999 type->name = xbt_strdup("undefined");
1000 type->is_pointer_type = is_pointer;
1001 type->id = (void *)strtoul(origin, NULL, 16);
1003 type->dw_type_id = xbt_strdup(type_origin);
1005 type->byte_size = size;
1007 type->element_count = -1;
1009 type->members = NULL;
1011 xbt_dict_set(*types, origin, type, NULL);
1015 xbt_free(type_origin);
1024 }else if(strcmp(node_type, "(DW_TAG_structure_type)") == 0 || strcmp(node_type, "(DW_TAG_union_type)") == 0){
1026 if(strcmp(node_type, "(DW_TAG_structure_type)") == 0)
1031 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1032 origin = strdup(strtok(NULL, "<"));
1033 xbt_str_rtrim(origin, ">:");
1035 read = xbt_getline(&line, &n, fp);
1037 dw_type_t type = NULL;
1043 /* Wipeout the new line character */
1044 line[read - 1] = '\0';
1046 if(n == 0 || strlen(line) == 0){
1047 read = xbt_getline(&line, &n, fp);
1051 xbt_dynar_free(&split);
1052 xbt_str_rtrim(line, NULL);
1053 xbt_str_strip_spaces(line);
1054 split = xbt_str_split(line, " ");
1056 node_type = xbt_dynar_get_as(split, 1, char *);
1058 if(strncmp(node_type, "DW_AT_", 6) != 0){
1063 if(strcmp(node_type, "DW_AT_byte_size") == 0){
1064 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1065 }else if(strcmp(node_type, "DW_AT_name") == 0){
1067 end = xbt_str_join(split, " ");
1068 xbt_dynar_free(&split);
1069 split = xbt_str_split(end, "):");
1070 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1071 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1072 }else if(strcmp(node_type, "DW_AT_type") == 0){
1073 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1074 xbt_str_ltrim(type_origin, "<0x");
1075 xbt_str_rtrim(type_origin, ">");
1076 }else if(strcmp(node_type, "DW_AT_data_member_location:") == 0){
1078 end = xbt_str_join(split, " ");
1079 xbt_dynar_free(&split);
1080 split = xbt_str_split(end, "DW_OP_plus_uconst:");
1081 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), NULL);
1082 xbt_str_rtrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), ")");
1083 offset = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1086 read = xbt_getline(&line, &n, fp);
1090 if(member_end && type){
1093 // Why are we not simply referencing, the DW_AT_type?
1094 dw_type_t member_type = xbt_new0(s_dw_type_t, 1);
1095 member_type->name = xbt_strdup(name);
1096 member_type->byte_size = size;
1097 member_type->element_count = -1;
1098 member_type->is_pointer_type = is_pointer;
1099 member_type->id = (void *)strtoul(origin, NULL, 16);
1100 member_type->offset = offset;
1102 member_type->dw_type_id = xbt_strdup(type_origin);
1104 xbt_dynar_push(type->members, &member_type);
1110 xbt_free(type_origin);
1117 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1118 origin = strdup(strtok(NULL, "<"));
1119 xbt_str_rtrim(origin, ">:");
1123 if(struct_decl || union_decl){
1124 type = xbt_new0(s_dw_type_t, 1);
1126 type->type = DW_TAG_structure_type;
1128 type->type = DW_TAG_union_type;
1129 type->name = xbt_strdup(name);
1130 type->byte_size = size;
1131 type->element_count = -1;
1132 type->is_pointer_type = is_pointer;
1133 type->id = (void *)strtoul(origin, NULL, 16);
1135 type->dw_type_id = xbt_strdup(type_origin);
1136 type->members = xbt_dynar_new(sizeof(dw_type_t), dw_type_free_voidp);
1138 xbt_dict_set(*types, origin, type, NULL);
1144 xbt_free(type_origin);
1152 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_member)") != 0)
1155 read = xbt_getline(&line, &n, fp);
1162 }else if(strcmp(node_type, "(DW_TAG_array_type)") == 0){
1164 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1165 origin = strdup(strtok(NULL, "<"));
1166 xbt_str_rtrim(origin, ">:");
1168 read = xbt_getline(&line, &n, fp);
1170 dw_type_t type = NULL;
1172 // Read DW_TAG_subrange_type children:
1175 // Read attributes of the DW_TAG_subrange_type:
1178 /* Wipeout the new line character */
1179 line[read - 1] = '\0';
1181 if(n == 0 || strlen(line) == 0){
1182 read = xbt_getline(&line, &n, fp);
1186 xbt_dynar_free(&split);
1187 xbt_str_rtrim(line, NULL);
1188 xbt_str_strip_spaces(line);
1189 split = xbt_str_split(line, " ");
1191 node_type = xbt_dynar_get_as(split, 1, char *);
1193 if(strncmp(node_type, "DW_AT_", 6) != 0)
1196 if(strcmp(node_type, "DW_AT_upper_bound") == 0){
1197 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1198 }else if(strcmp(node_type, "DW_AT_name") == 0){
1199 end = xbt_str_join(split, " ");
1200 xbt_dynar_free(&split);
1201 split = xbt_str_split(end, "):");
1202 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1203 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1204 }else if(strcmp(node_type, "DW_AT_type") == 0){
1205 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1206 xbt_str_ltrim(type_origin, "<0x");
1207 xbt_str_rtrim(type_origin, ">");
1210 read = xbt_getline(&line, &n, fp);
1214 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") == 0){
1218 if(subrange && type){
1219 type->element_count = size;
1225 xbt_free(type_origin);
1231 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1232 origin = strdup(strtok(NULL, "<"));
1233 xbt_str_rtrim(origin, ">:");
1237 type = xbt_new0(s_dw_type_t, 1);
1238 type->type = DW_TAG_array_type;
1239 type->name = xbt_strdup(name);
1240 type->is_pointer_type = is_pointer;
1241 type->id = (void *)strtoul(origin, NULL, 16);
1243 type->dw_type_id = xbt_strdup(type_origin);
1244 type->members = NULL;
1246 // Filled in a post processing step:
1247 type-> byte_size = 0;
1249 xbt_dict_set(*types, origin, type, NULL);
1255 xbt_free(type_origin);
1260 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") != 0)
1263 read = xbt_getline(&line, &n, fp);
1272 read = xbt_getline(&line, &n, fp);
1278 xbt_dynar_free(&split);
1279 xbt_dict_free(&variables_origin);
1280 xbt_dict_free(&subprograms_origin);
1283 xbt_dict_free(&location_list);
1287 MC_post_process_types(info);
1290 static void MC_post_process_array_size(mc_object_info_t info, dw_type_t type) {
1291 xbt_assert(type->dw_type_id, "No base type for array <%p>%s", type->id, type->name);
1292 dw_type_t subtype = xbt_dict_get_or_null(info->types, type->dw_type_id);
1293 xbt_assert(subtype, "Unkown base type <%s> for array <%p>%s", type->dw_type_id, type->id, type->name);
1294 if(subtype->type==DW_TAG_array_type && type->byte_size==0) {
1295 MC_post_process_array_size(info, subtype);
1297 type->byte_size = type->element_count*subtype->byte_size;
1300 static void MC_post_process_types(mc_object_info_t info) {
1301 xbt_dict_cursor_t cursor;
1304 xbt_dict_foreach(info->types, cursor, origin, type){
1305 if(type->type==DW_TAG_array_type && type->byte_size==0)
1306 MC_post_process_array_size(info, type);
1310 /******************************* Ignore mechanism *******************************/
1311 /*********************************************************************************/
1313 xbt_dynar_t mc_checkpoint_ignore;
1315 typedef struct s_mc_stack_ignore_variable{
1318 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
1320 typedef struct s_mc_data_bss_ignore_variable{
1322 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
1324 /**************************** Free functions ******************************/
1326 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
1327 xbt_free(v->var_name);
1332 static void stack_ignore_variable_free_voidp(void *v){
1333 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
1336 void heap_ignore_region_free(mc_heap_ignore_region_t r){
1340 void heap_ignore_region_free_voidp(void *r){
1341 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
1344 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
1349 static void data_bss_ignore_variable_free_voidp(void *v){
1350 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
1353 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
1357 static void checkpoint_ignore_region_free_voidp(void *r){
1358 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
1361 /***********************************************************************/
1363 void MC_ignore_heap(void *address, size_t size){
1365 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1369 mc_heap_ignore_region_t region = NULL;
1370 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
1371 region->address = address;
1372 region->size = size;
1374 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1376 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
1377 region->fragment = -1;
1378 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
1380 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
1381 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
1384 if(mc_heap_comparison_ignore == NULL){
1385 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
1386 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
1392 unsigned int cursor = 0;
1393 mc_heap_ignore_region_t current_region = NULL;
1395 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1397 while(start <= end){
1398 cursor = (start + end) / 2;
1399 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1400 if(current_region->address == address){
1401 heap_ignore_region_free(region);
1405 }else if(current_region->address < address){
1412 if(current_region->address < address)
1413 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
1415 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
1421 void MC_remove_ignore_heap(void *address, size_t size){
1423 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1427 unsigned int cursor = 0;
1429 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1430 mc_heap_ignore_region_t region;
1431 int ignore_found = 0;
1433 while(start <= end){
1434 cursor = (start + end) / 2;
1435 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1436 if(region->address == address){
1439 }else if(region->address < address){
1442 if((char * )region->address <= ((char *)address + size)){
1451 if(ignore_found == 1){
1452 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
1453 MC_remove_ignore_heap(address, size);
1461 void MC_ignore_global_variable(const char *name){
1463 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1467 if(mc_libsimgrid_info){
1469 unsigned int cursor = 0;
1470 dw_variable_t current_var;
1472 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
1474 while(start <= end){
1475 cursor = (start + end) /2;
1476 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
1477 if(strcmp(current_var->name, name) == 0){
1478 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
1480 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
1481 }else if(strcmp(current_var->name, name) < 0){
1490 if(mc_data_bss_comparison_ignore == NULL)
1491 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
1493 mc_data_bss_ignore_variable_t var = NULL;
1494 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
1495 var->name = strdup(name);
1497 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
1499 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
1503 unsigned int cursor = 0;
1505 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
1506 mc_data_bss_ignore_variable_t current_var = NULL;
1508 while(start <= end){
1509 cursor = (start + end) / 2;
1510 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
1511 if(strcmp(current_var->name, name) == 0){
1512 data_bss_ignore_variable_free(var);
1516 }else if(strcmp(current_var->name, name) < 0){
1523 if(strcmp(current_var->name, name) < 0)
1524 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
1526 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
1535 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
1537 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1541 if(mc_libsimgrid_info){
1542 unsigned int cursor = 0;
1543 dw_variable_t current_var;
1545 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
1546 xbt_dict_cursor_t dict_cursor;
1547 char *current_frame_name;
1549 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
1551 end = xbt_dynar_length(frame->variables) - 1;
1552 while(start <= end){
1553 cursor = (start + end) / 2;
1554 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1555 if(strcmp(current_var->name, var_name) == 0){
1556 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1558 end = xbt_dynar_length(frame->variables) - 1;
1559 }else if(strcmp(current_var->name, var_name) < 0){
1566 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
1568 end = xbt_dynar_length(frame->variables) - 1;
1569 while(start <= end){
1570 cursor = (start + end) / 2;
1571 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1572 if(strcmp(current_var->name, var_name) == 0){
1573 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1575 end = xbt_dynar_length(frame->variables) - 1;
1576 }else if(strcmp(current_var->name, var_name) < 0){
1584 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
1585 mc_libsimgrid_info->local_variables, frame_name))->variables;
1587 end = xbt_dynar_length(variables_list) - 1;
1588 while(start <= end){
1589 cursor = (start + end) / 2;
1590 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
1591 if(strcmp(current_var->name, var_name) == 0){
1592 xbt_dynar_remove_at(variables_list, cursor, NULL);
1594 end = xbt_dynar_length(variables_list) - 1;
1595 }else if(strcmp(current_var->name, var_name) < 0){
1604 if(mc_stack_comparison_ignore == NULL)
1605 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
1607 mc_stack_ignore_variable_t var = NULL;
1608 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
1609 var->var_name = strdup(var_name);
1610 var->frame = strdup(frame_name);
1612 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
1614 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
1618 unsigned int cursor = 0;
1620 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
1621 mc_stack_ignore_variable_t current_var = NULL;
1623 while(start <= end){
1624 cursor = (start + end) / 2;
1625 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
1626 if(strcmp(current_var->frame, frame_name) == 0){
1627 if(strcmp(current_var->var_name, var_name) == 0){
1628 stack_ignore_variable_free(var);
1632 }else if(strcmp(current_var->var_name, var_name) < 0){
1637 }else if(strcmp(current_var->frame, frame_name) < 0){
1644 if(strcmp(current_var->frame, frame_name) == 0){
1645 if(strcmp(current_var->var_name, var_name) < 0){
1646 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1648 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1650 }else if(strcmp(current_var->frame, frame_name) < 0){
1651 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1653 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1663 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
1665 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1669 if(stacks_areas == NULL)
1670 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
1672 stack_region_t region = NULL;
1673 region = xbt_new0(s_stack_region_t, 1);
1674 region->address = stack;
1675 region->process_name = strdup(name);
1676 region->context = context;
1677 region->size = size;
1678 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1679 xbt_dynar_push(stacks_areas, ®ion);
1685 void MC_ignore(void *addr, size_t size){
1687 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
1691 if(mc_checkpoint_ignore == NULL)
1692 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
1694 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
1695 region->addr = addr;
1696 region->size = size;
1698 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
1699 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
1702 unsigned int cursor = 0;
1704 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
1705 mc_checkpoint_ignore_region_t current_region = NULL;
1707 while(start <= end){
1708 cursor = (start + end) / 2;
1709 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
1710 if(current_region->addr == addr){
1711 if(current_region->size == size){
1712 checkpoint_ignore_region_free(region);
1716 }else if(current_region->size < size){
1721 }else if(current_region->addr < addr){
1728 if(current_region->addr == addr){
1729 if(current_region->size < size){
1730 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1732 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1734 }else if(current_region->addr < addr){
1735 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1737 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1745 /******************************* Initialisation of MC *******************************/
1746 /*********************************************************************************/
1748 static void MC_dump_ignored_local_variables(void){
1750 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
1753 unsigned int cursor = 0;
1754 mc_stack_ignore_variable_t current_var;
1756 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
1757 MC_ignore_local_variable(current_var->var_name, current_var->frame);
1760 xbt_dynar_free(&mc_stack_comparison_ignore);
1761 mc_stack_comparison_ignore = NULL;
1765 static void MC_dump_ignored_global_variables(void){
1767 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
1770 unsigned int cursor = 0;
1771 mc_data_bss_ignore_variable_t current_var;
1773 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
1774 MC_ignore_global_variable(current_var->name);
1777 xbt_dynar_free(&mc_data_bss_comparison_ignore);
1778 mc_data_bss_comparison_ignore = NULL;
1782 static void MC_init_debug_info();
1783 static void MC_init_debug_info() {
1784 XBT_INFO("Get debug information ...");
1786 memory_map_t maps = MC_get_memory_map();
1788 /* Get local variables for state equality detection */
1789 mc_binary_info = MC_find_object_info(maps, xbt_binary_name);
1790 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path);
1792 MC_free_memory_map(maps);
1793 XBT_INFO("Get debug information done !");
1798 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1802 /* Initialize the data structures that must be persistent across every
1803 iteration of the model-checker (in RAW memory) */
1807 MC_init_memory_map_info();
1808 MC_init_debug_info();
1810 /* Remove variables ignored before getting list of variables */
1811 MC_dump_ignored_local_variables();
1812 MC_dump_ignored_global_variables();
1815 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
1819 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
1820 MC_ignore_local_variable("e", "*");
1821 MC_ignore_local_variable("__ex_cleanup", "*");
1822 MC_ignore_local_variable("__ex_mctx_en", "*");
1823 MC_ignore_local_variable("__ex_mctx_me", "*");
1824 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
1825 MC_ignore_local_variable("_log_ev", "*");
1826 MC_ignore_local_variable("_throw_ctx", "*");
1827 MC_ignore_local_variable("ctx", "*");
1829 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
1830 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
1832 /* Ignore local variable about time used for tracing */
1833 MC_ignore_local_variable("start_time", "*");
1835 MC_ignore_global_variable("mc_comp_times");
1836 MC_ignore_global_variable("mc_snapshot_comparison_time");
1837 MC_ignore_global_variable("mc_time");
1838 MC_ignore_global_variable("smpi_current_rank");
1839 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
1840 MC_ignore_global_variable("maestro_stack_start");
1841 MC_ignore_global_variable("maestro_stack_end");
1843 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
1844 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
1845 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
1846 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
1848 smx_process_t process;
1849 xbt_swag_foreach(process, simix_global->process_list){
1850 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
1858 static void MC_init_dot_output(){ /* FIXME : more colors */
1862 colors[2] = "green3";
1863 colors[3] = "goldenrod";
1864 colors[4] = "brown";
1865 colors[5] = "purple";
1866 colors[6] = "magenta";
1867 colors[7] = "turquoise4";
1868 colors[8] = "gray25";
1869 colors[9] = "forestgreen";
1870 colors[10] = "hotpink";
1871 colors[11] = "lightblue";
1874 dot_output = fopen(_sg_mc_dot_output_file, "w");
1876 if(dot_output == NULL){
1877 perror("Error open dot output file");
1881 fprintf(dot_output, "digraph graphname{\n fixedsize=true; rankdir=TB; ranksep=.25; edge [fontsize=12]; node [fontsize=10, shape=circle,width=.5 ]; graph [resolution=20, fontsize=10];\n");
1885 /******************************* Core of MC *******************************/
1886 /**************************************************************************/
1888 void MC_do_the_modelcheck_for_real() {
1891 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1894 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1895 if (mc_reduce_kind==e_mc_reduce_unset)
1896 mc_reduce_kind=e_mc_reduce_dpor;
1898 XBT_INFO("Check a safety property");
1899 MC_modelcheck_safety();
1903 if (mc_reduce_kind==e_mc_reduce_unset)
1904 mc_reduce_kind=e_mc_reduce_none;
1906 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1907 MC_automaton_load(_sg_mc_property_file);
1908 MC_modelcheck_liveness();
1912 void MC_modelcheck_safety(void)
1914 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1916 /* Check if MC is already initialized */
1917 if (initial_state_safety)
1920 mc_time = xbt_new0(double, simix_process_maxpid);
1922 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1923 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1925 /* Initialize the data structures that must be persistent across every
1926 iteration of the model-checker (in RAW memory) */
1930 /* Initialize statistics */
1931 mc_stats = xbt_new0(s_mc_stats_t, 1);
1932 mc_stats->state_size = 1;
1934 /* Create exploration stack */
1935 mc_stack_safety = xbt_fifo_new();
1937 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1938 MC_init_dot_output();
1942 if(_sg_mc_visited > 0){
1946 MC_init_memory_map_info();
1947 MC_init_debug_info();
1954 /* Save the initial state */
1955 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1956 initial_state_safety->snapshot = MC_take_snapshot(0);
1968 void MC_modelcheck_liveness(){
1970 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1974 mc_time = xbt_new0(double, simix_process_maxpid);
1976 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1977 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1981 /* Initialize statistics */
1982 mc_stats = xbt_new0(s_mc_stats_t, 1);
1983 mc_stats->state_size = 1;
1985 /* Create exploration stack */
1986 mc_stack_liveness = xbt_fifo_new();
1988 /* Create the initial state */
1989 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1991 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1992 MC_init_dot_output();
1999 MC_print_statistics(mc_stats);
2015 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
2017 return simcall->mc_value;
2021 int MC_random(int min, int max)
2023 /*FIXME: return mc_current_state->executed_transition->random.value;*/
2024 return simcall_mc_random(min, max);
2028 * \brief Schedules all the process that are ready to run
2030 void MC_wait_for_requests(void)
2032 smx_process_t process;
2036 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
2037 SIMIX_process_runall();
2038 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
2039 req = &process->simcall;
2040 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
2041 SIMIX_simcall_pre(req, 0);
2046 int MC_deadlock_check()
2048 int deadlock = FALSE;
2049 smx_process_t process;
2050 if(xbt_swag_size(simix_global->process_list)){
2052 xbt_swag_foreach(process, simix_global->process_list){
2053 if(process->simcall.call != SIMCALL_NONE
2054 && MC_request_is_enabled(&process->simcall)){
2064 * \brief Re-executes from the state at position start all the transitions indicated by
2065 * a given model-checker stack.
2066 * \param stack The stack with the transitions to execute.
2067 * \param start Start index to begin the re-execution.
2069 void MC_replay(xbt_fifo_t stack, int start)
2071 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
2073 int value, i = 1, count = 1;
2075 smx_simcall_t req = NULL, saved_req = NULL;
2076 xbt_fifo_item_t item, start_item;
2078 smx_process_t process = NULL;
2080 XBT_DEBUG("**** Begin Replay ****");
2083 /* Restore the initial state */
2084 MC_restore_snapshot(initial_state_safety->snapshot);
2085 /* At the moment of taking the snapshot the raw heap was set, so restoring
2086 * it will set it back again, we have to unset it to continue */
2090 start_item = xbt_fifo_get_last_item(stack);
2093 start_item = xbt_fifo_get_prev_item(start_item);
2099 xbt_dict_reset(first_enabled_state);
2100 xbt_swag_foreach(process, simix_global->process_list){
2101 if(MC_process_is_enabled(process)){
2102 char *key = bprintf("%lu", process->pid);
2103 char *data = bprintf("%d", count);
2104 xbt_dict_set(first_enabled_state, key, data, NULL);
2111 /* Traverse the stack from the state at position start and re-execute the transitions */
2112 for (item = start_item;
2113 item != xbt_fifo_get_first_item(stack);
2114 item = xbt_fifo_get_prev_item(item)) {
2116 state = (mc_state_t) xbt_fifo_get_item_content(item);
2117 saved_req = MC_state_get_executed_request(state, &value);
2120 char *key = bprintf("%lu", saved_req->issuer->pid);
2121 xbt_dict_remove(first_enabled_state, key);
2126 /* because we got a copy of the executed request, we have to fetch the
2127 real one, pointed by the request field of the issuer process */
2128 req = &saved_req->issuer->simcall;
2130 /* Debug information */
2131 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2132 req_str = MC_request_to_string(req, value);
2133 XBT_DEBUG("Replay: %s (%p)", req_str, state);
2138 SIMIX_simcall_pre(req, value);
2139 MC_wait_for_requests();
2144 /* Insert in dict all enabled processes */
2145 xbt_swag_foreach(process, simix_global->process_list){
2146 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
2147 char *key = bprintf("%lu", process->pid);
2148 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
2149 char *data = bprintf("%d", count);
2150 xbt_dict_set(first_enabled_state, key, data, NULL);
2157 /* Update statistics */
2158 mc_stats->visited_states++;
2159 mc_stats->executed_transitions++;
2163 XBT_DEBUG("**** End Replay ****");
2173 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
2176 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2180 smx_simcall_t req = NULL, saved_req = NULL;
2181 xbt_fifo_item_t item;
2186 XBT_DEBUG("**** Begin Replay ****");
2188 /* Restore the initial state */
2189 MC_restore_snapshot(initial_state_liveness->snapshot);
2191 /* At the moment of taking the snapshot the raw heap was set, so restoring
2192 * it will set it back again, we have to unset it to continue */
2193 if(!initial_state_liveness->raw_mem_set)
2198 item = xbt_fifo_get_last_item(stack);
2200 while(depth <= xbt_fifo_size(stack)){
2202 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2203 state = (mc_state_t) pair->graph_state;
2205 if(pair->requests > 0){
2207 saved_req = MC_state_get_executed_request(state, &value);
2208 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2210 if(saved_req != NULL){
2211 /* because we got a copy of the executed request, we have to fetch the
2212 real one, pointed by the request field of the issuer process */
2213 req = &saved_req->issuer->simcall;
2214 //XBT_DEBUG("Req->call %u", req->call);
2216 /* Debug information */
2217 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2218 req_str = MC_request_to_string(req, value);
2219 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2225 SIMIX_simcall_pre(req, value);
2226 MC_wait_for_requests();
2231 /* Update statistics */
2232 mc_stats->visited_pairs++;
2233 mc_stats->executed_transitions++;
2235 item = xbt_fifo_get_prev_item(item);
2240 /* Traverse the stack from the initial state and re-execute the transitions */
2241 for (item = xbt_fifo_get_last_item(stack);
2242 item != xbt_fifo_get_first_item(stack);
2243 item = xbt_fifo_get_prev_item(item)) {
2245 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2246 state = (mc_state_t) pair->graph_state;
2248 if(pair->requests > 0){
2250 saved_req = MC_state_get_executed_request(state, &value);
2251 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2253 if(saved_req != NULL){
2254 /* because we got a copy of the executed request, we have to fetch the
2255 real one, pointed by the request field of the issuer process */
2256 req = &saved_req->issuer->simcall;
2257 //XBT_DEBUG("Req->call %u", req->call);
2259 /* Debug information */
2260 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2261 req_str = MC_request_to_string(req, value);
2262 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2268 SIMIX_simcall_pre(req, value);
2269 MC_wait_for_requests();
2274 /* Update statistics */
2275 mc_stats->visited_pairs++;
2276 mc_stats->executed_transitions++;
2280 XBT_DEBUG("**** End Replay ****");
2282 if(initial_state_liveness->raw_mem_set)
2290 * \brief Dumps the contents of a model-checker's stack and shows the actual
2292 * \param stack The stack to dump
2294 void MC_dump_stack_safety(xbt_fifo_t stack)
2297 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2299 MC_show_stack_safety(stack);
2301 if(!_sg_mc_checkpoint){
2306 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
2307 MC_state_delete(state);
2320 void MC_show_stack_safety(xbt_fifo_t stack)
2323 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2329 xbt_fifo_item_t item;
2331 char *req_str = NULL;
2333 for (item = xbt_fifo_get_last_item(stack);
2334 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
2335 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2336 req = MC_state_get_executed_request(state, &value);
2338 req_str = MC_request_to_string(req, value);
2339 XBT_INFO("%s", req_str);
2348 void MC_show_deadlock(smx_simcall_t req)
2350 /*char *req_str = NULL;*/
2351 XBT_INFO("**************************");
2352 XBT_INFO("*** DEAD-LOCK DETECTED ***");
2353 XBT_INFO("**************************");
2354 XBT_INFO("Locked request:");
2355 /*req_str = MC_request_to_string(req);
2356 XBT_INFO("%s", req_str);
2357 xbt_free(req_str);*/
2358 XBT_INFO("Counter-example execution trace:");
2359 MC_dump_stack_safety(mc_stack_safety);
2360 MC_print_statistics(mc_stats);
2364 void MC_show_stack_liveness(xbt_fifo_t stack){
2367 xbt_fifo_item_t item;
2369 char *req_str = NULL;
2371 for (item = xbt_fifo_get_last_item(stack);
2372 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
2373 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2374 req = MC_state_get_executed_request(pair->graph_state, &value);
2376 if(pair->requests>0){
2377 req_str = MC_request_to_string(req, value);
2378 XBT_INFO("%s", req_str);
2381 XBT_INFO("End of system requests but evolution in Büchi automaton");
2387 void MC_dump_stack_liveness(xbt_fifo_t stack){
2389 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2394 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
2395 MC_pair_delete(pair);
2404 void MC_print_statistics(mc_stats_t stats)
2406 if(stats->expanded_pairs == 0){
2407 XBT_INFO("Expanded states = %lu", stats->expanded_states);
2408 XBT_INFO("Visited states = %lu", stats->visited_states);
2410 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
2411 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
2413 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
2415 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
2416 fprintf(dot_output, "}\n");
2422 void MC_assert(int prop)
2424 if (MC_is_active() && !prop){
2425 XBT_INFO("**************************");
2426 XBT_INFO("*** PROPERTY NOT VALID ***");
2427 XBT_INFO("**************************");
2428 XBT_INFO("Counter-example execution trace:");
2429 MC_dump_stack_safety(mc_stack_safety);
2430 MC_print_statistics(mc_stats);
2436 user_max_depth_reached = 1;
2439 void MC_process_clock_add(smx_process_t process, double amount)
2441 mc_time[process->pid] += amount;
2444 double MC_process_clock_get(smx_process_t process)
2448 return mc_time[process->pid];
2456 void MC_automaton_load(const char *file){
2458 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2462 if (_mc_property_automaton == NULL)
2463 _mc_property_automaton = xbt_automaton_new();
2465 xbt_automaton_load(_mc_property_automaton,file);
2474 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
2476 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2480 if (_mc_property_automaton == NULL)
2481 _mc_property_automaton = xbt_automaton_new();
2483 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);