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 void dw_variable_free(dw_variable_t v){
167 xbt_free(v->type_origin);
169 dw_location_free(v->address.location);
174 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);
201 xbt_dict_free(&((*info)->location_list));
206 /*************************************************************************/
208 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
210 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
212 if(location_list != NULL){
214 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
215 loc->type = e_dw_loclist;
216 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
217 if(loc->location.loclist == NULL)
218 XBT_INFO("Key not found in loclist");
225 char *tok = NULL, *tok2 = NULL;
227 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
230 loc->type = e_dw_compose;
231 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
233 while(cursor < xbt_dynar_length(tokens1)){
235 tok = xbt_dynar_get_as(tokens1, cursor, char*);
236 tokens2 = xbt_str_split(tok, " ");
237 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
239 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
240 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
241 new_element->type = e_dw_register;
242 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
243 xbt_dynar_push(loc->location.compose, &new_element);
244 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
245 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
246 new_element->type = e_dw_fbregister_op;
247 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
248 xbt_dynar_push(loc->location.compose, &new_element);
249 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
250 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
251 new_element->type = e_dw_bregister_op;
252 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
253 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
254 xbt_dynar_push(loc->location.compose, &new_element);
255 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
256 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
257 new_element->type = e_dw_lit;
258 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
259 xbt_dynar_push(loc->location.compose, &new_element);
260 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
261 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
262 new_element->type = e_dw_piece;
263 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
264 xbt_dynar_push(loc->location.compose, &new_element);
265 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
266 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
267 new_element->type = e_dw_plus_uconst;
268 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
269 xbt_dynar_push(loc->location.compose, &new_element);
270 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
271 strcmp(tok, "DW_OP_and") == 0 ||
272 strcmp(tok, "DW_OP_div") == 0 ||
273 strcmp(tok, "DW_OP_minus") == 0 ||
274 strcmp(tok, "DW_OP_mod") == 0 ||
275 strcmp(tok, "DW_OP_mul") == 0 ||
276 strcmp(tok, "DW_OP_neg") == 0 ||
277 strcmp(tok, "DW_OP_not") == 0 ||
278 strcmp(tok, "DW_OP_or") == 0 ||
279 strcmp(tok, "DW_OP_plus") == 0){
280 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
281 new_element->type = e_dw_arithmetic;
282 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
283 xbt_dynar_push(loc->location.compose, &new_element);
284 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
285 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
286 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
287 new_element->type = e_dw_deref;
288 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
289 xbt_dynar_push(loc->location.compose, &new_element);
290 }else if(strcmp(tok, "DW_OP_deref") == 0){
291 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
292 new_element->type = e_dw_deref;
293 new_element->location.deref_size = sizeof(void *);
294 xbt_dynar_push(loc->location.compose, &new_element);
295 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
296 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
297 new_element->type = e_dw_uconstant;
298 new_element->location.uconstant.bytes = 1;
299 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
300 xbt_dynar_push(loc->location.compose, &new_element);
301 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
302 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
303 new_element->type = e_dw_sconstant;
304 new_element->location.sconstant.bytes = 1;
305 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
306 xbt_dynar_push(loc->location.compose, &new_element);
307 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
308 strcmp(tok2, "DW_OP_const2u:") == 0 ||
309 strcmp(tok2, "DW_OP_const4u:") == 0 ||
310 strcmp(tok2, "DW_OP_const8u:") == 0){
311 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
312 new_element->type = e_dw_uconstant;
313 new_element->location.uconstant.bytes = tok2[11] - '0';
314 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
315 xbt_dynar_push(loc->location.compose, &new_element);
316 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
317 strcmp(tok, "DW_OP_const2s") == 0 ||
318 strcmp(tok, "DW_OP_const4s") == 0 ||
319 strcmp(tok, "DW_OP_const8s") == 0){
320 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
321 new_element->type = e_dw_sconstant;
322 new_element->location.sconstant.bytes = tok2[11] - '0';
323 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
324 xbt_dynar_push(loc->location.compose, &new_element);
326 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
327 new_element->type = e_dw_unsupported;
328 xbt_dynar_push(loc->location.compose, &new_element);
332 xbt_dynar_free(&tokens2);
336 xbt_dynar_free(&tokens1);
344 /** @brief Extract the location lists from an ELF file (.debug_loc)
346 * @return A map from the offset in the list (in hexadecimal string)
347 * into a location list (dynar of dw_location_entry_t).
349 xbt_dict_t MC_dwarf_get_location_list(const char *elf_file){
351 char *command = bprintf("LANG=C objdump -Wo %s", elf_file);
353 FILE *fp = popen(command, "r");
356 perror("popen for objdump failed");
360 int debug = 0; /*Detect if the program has been compiled with -g */
362 xbt_dict_t location_list = xbt_dict_new_homogeneous(NULL);
363 char *line = NULL, *loc_expr = NULL;
367 xbt_dynar_t split = NULL;
369 while ((read = xbt_getline(&line, &n, fp)) != -1) {
371 /* Wipeout the new line character */
372 line[read - 1] = '\0';
374 xbt_str_trim(line, NULL);
379 if(strlen(line) == 0)
384 if(strncmp(line, elf_file, strlen(elf_file)) == 0)
387 if(strncmp(line, "Contents", 8) == 0)
390 if(strncmp(line, "Offset", 6) == 0){
397 XBT_INFO("Your program must be compiled with -g");
401 xbt_dynar_t loclist = xbt_dynar_new(sizeof(dw_location_entry_t), NULL);
403 xbt_str_strip_spaces(line);
404 split = xbt_str_split(line, " ");
407 while(read != -1 && strcmp("<End", (char *)xbt_dynar_get_as(split, 1, char *)) != 0){
409 // Take the key from the first line of the list:
411 key = bprintf("%d", (int)strtoul((char *)xbt_dynar_get_as(split, 0, char *), NULL, 16));
414 dw_location_entry_t new_entry = xbt_new0(s_dw_location_entry_t, 1);
415 new_entry->lowpc = strtoul((char *)xbt_dynar_get_as(split, 1, char *), NULL, 16);
416 new_entry->highpc = strtoul((char *)xbt_dynar_get_as(split, 2, char *), NULL, 16);
419 while(cursor_remove < 3){
420 xbt_dynar_remove_at(split, 0, NULL);
424 loc_expr = xbt_str_join(split, " ");
425 xbt_str_ltrim(loc_expr, "(");
426 xbt_str_rtrim(loc_expr, ")");
427 new_entry->location = MC_dwarf_get_location(NULL, loc_expr);
429 xbt_dynar_push(loclist, &new_entry);
431 xbt_dynar_free(&split);
434 read = xbt_getline(&line, &n, fp);
436 line[read - 1] = '\0';
437 xbt_str_strip_spaces(line);
438 split = xbt_str_split(line, " ");
444 xbt_dict_set(location_list, key, loclist, NULL);
447 xbt_dynar_free(&split);
455 return location_list;
458 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
460 * The offset can be an offset of a child DW_TAG_variable.
462 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
464 xbt_dict_cursor_t cursor = NULL;
468 xbt_dict_foreach(all_variables, cursor, name, res) {
469 if(offset >= res->start && offset < res->end){
470 xbt_dict_cursor_free(&cursor);
475 xbt_dict_cursor_free(&cursor);
480 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
482 unsigned int cursor = 0;
483 dw_variable_t current_var;
485 xbt_dynar_foreach(frame->variables, cursor, current_var){
486 if(strcmp(var, current_var->name) == 0)
493 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
495 if(xbt_dynar_is_empty(variables))
498 unsigned int cursor = 0;
500 int end = xbt_dynar_length(variables) - 1;
501 dw_variable_t var_test = NULL;
504 cursor = (start + end) / 2;
505 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
506 if(strcmp(var_test->name, var) < 0){
508 }else if(strcmp(var_test->name, var) > 0){
511 if(address){ /* global variable */
512 if(var_test->address.address == address)
514 if(var_test->address.address > address)
518 }else{ /* local variable */
524 if(strcmp(var_test->name, var) == 0){
525 if(address && var_test->address.address < address)
529 }else if(strcmp(var_test->name, var) < 0)
536 void MC_dwarf_get_variables_legacy(mc_object_info_t info);
538 /** \brief Fill DWARf debug infomations (types, frames, variables ...). */
539 void MC_dwarf_get_variables(mc_object_info_t info) {
541 MC_dwarf_get_variables_libdw(info);
542 MC_post_process_types(info);
544 MC_dwarf_get_variables_legacy(info);
548 void MC_dwarf_get_variables_legacy(mc_object_info_t info) {
550 mc_object_info_t result = info;
551 const char *elf_file = info->file_name;
553 char *command = bprintf("LANG=C objdump -Wi %s", elf_file);
555 FILE *fp = popen(command, "r");
558 perror("popen for objdump failed");
560 xbt_dict_t *local_variables = &result->local_variables;
561 xbt_dict_t *types = &result->types;
563 char *line = NULL, *origin, *abstract_origin, *current_frame = NULL,
564 *subprogram_name = NULL, *subprogram_start = NULL, *subprogram_end = NULL,
565 *node_type = NULL, *location_type = NULL, *variable_name = NULL,
566 *loc_expr = NULL, *name = NULL, *end =NULL, *type_origin = NULL, *global_address = NULL,
567 *parent_value = NULL;
571 int global_variable = 0, parent = 0, new_frame = 0, new_variable = 1, size = 0,
572 is_pointer = 0, struct_decl = 0, member_end = 0,
573 enumeration_size = 0, subrange = 0, union_decl = 0, offset = 0;
575 xbt_dynar_t split = NULL, split2 = NULL;
577 xbt_dict_t variables_origin = xbt_dict_new_homogeneous(xbt_free);
578 xbt_dict_t subprograms_origin = xbt_dict_new_homogeneous(xbt_free);
580 dw_frame_t variable_frame, subroutine_frame = NULL;
582 e_dw_type_type type_type = -1;
584 read = xbt_getline(&line, &n, fp);
588 /* Wipeout the new line character */
589 line[read - 1] = '\0';
591 if(n == 0 || strlen(line) == 0){
592 read = xbt_getline(&line, &n, fp);
596 xbt_str_ltrim(line, NULL);
597 xbt_str_strip_spaces(line);
600 read = xbt_getline(&line, &n, fp);
604 xbt_dynar_free(&split);
605 split = xbt_str_split(line, " ");
608 node_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
610 if(strcmp(node_type, "(DW_TAG_subprogram)") == 0){ /* New frame */
611 /* We build/complete a dw_frame_t object
612 * and append it if necessary to the local_variables dictionnary */
614 dw_frame_t frame = NULL;
616 strtok(xbt_dynar_get_as(split, 0, char *), "<");
617 subprogram_start = xbt_strdup(strtok(NULL, "<"));
618 xbt_str_rtrim(subprogram_start, ">:");
620 read = xbt_getline(&line, &n, fp);
624 /* Wipeout the new line character */
625 line[read - 1] = '\0';
627 if(n == 0 || strlen(line) == 0){
628 read = xbt_getline(&line, &n, fp);
632 xbt_dynar_free(&split);
633 xbt_str_rtrim(line, NULL);
634 xbt_str_strip_spaces(line);
635 split = xbt_str_split(line, " ");
637 node_type = xbt_dynar_get_as(split, 1, char *);
639 if(strncmp(node_type, "DW_AT_", 6) != 0)
642 if(strcmp(node_type, "DW_AT_sibling") == 0){
644 subprogram_end = xbt_strdup(xbt_dynar_get_as(split, 3, char*));
645 xbt_str_ltrim(subprogram_end, "<0x");
646 xbt_str_rtrim(subprogram_end, ">");
648 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){ /* Frame already in dict */
651 abstract_origin = xbt_strdup(xbt_dynar_get_as(split, 2, char*));
652 xbt_str_ltrim(abstract_origin, "<0x");
653 xbt_str_rtrim(abstract_origin, ">");
654 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, abstract_origin);
655 frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
656 xbt_free(abstract_origin);
658 }else if(strcmp(node_type, "DW_AT_name") == 0){
661 xbt_free(current_frame);
662 frame = xbt_new0(s_dw_frame_t, 1);
663 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
664 frame->variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
665 frame->frame_base = xbt_new0(s_dw_location_t, 1);
666 current_frame = strdup(frame->name);
668 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
670 }else if(strcmp(node_type, "DW_AT_frame_base") == 0){
672 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
674 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
676 frame->frame_base = MC_dwarf_get_location(info->location_list, xbt_dynar_get_as(split, 3, char *));
680 xbt_str_strip_spaces(line);
681 split2 = xbt_str_split(line, "(");
682 xbt_dynar_remove_at(split2, 0, NULL);
683 loc_expr = xbt_str_join(split2, " ");
684 xbt_str_rtrim(loc_expr, ")");
685 frame->frame_base = MC_dwarf_get_location(NULL, loc_expr);
686 xbt_dynar_free(&split2);
691 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
694 frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
696 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
699 frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
701 }else if(strcmp(node_type, "DW_AT_MIPS_linkage_name:") == 0){
703 xbt_free(frame->name);
704 xbt_free(current_frame);
705 frame->name = strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
706 current_frame = strdup(frame->name);
707 xbt_dict_set(subprograms_origin, subprogram_start, xbt_strdup(frame->name), NULL);
711 read = xbt_getline(&line, &n, fp);
716 frame->start = strtoul(subprogram_start, NULL, 16);
717 if(subprogram_end != NULL)
718 frame->end = strtoul(subprogram_end, NULL, 16);
719 xbt_dict_set(*local_variables, frame->name, frame, NULL);
722 xbt_free(subprogram_start);
723 xbt_free(subprogram_end);
724 subprogram_end = NULL;
727 }else if(strcmp(node_type, "(DW_TAG_variable)") == 0){ /* New variable */
728 /* We build a dw_variable_t object and append it either to
729 the list of variables of the frame (local variable)
730 or to the list of global variables (global variables). */
732 dw_variable_t var = NULL;
734 parent_value = strdup(xbt_dynar_get_as(split, 0, char *));
735 parent_value = strtok(parent_value,"<");
736 xbt_str_rtrim(parent_value, ">");
737 parent = atoi(parent_value);
738 xbt_free(parent_value);
743 strtok(xbt_dynar_get_as(split, 0, char *), "<");
744 origin = xbt_strdup(strtok(NULL, "<"));
745 xbt_str_rtrim(origin, ">:");
747 read = xbt_getline(&line, &n, fp);
751 /* Wipeout the new line character */
752 line[read - 1] = '\0';
754 if(n == 0 || strlen(line) == 0){
755 read = xbt_getline(&line, &n, fp);
759 xbt_dynar_free(&split);
760 xbt_str_rtrim(line, NULL);
761 xbt_str_strip_spaces(line);
762 split = xbt_str_split(line, " ");
764 node_type = xbt_dynar_get_as(split, 1, char *);
766 if(strncmp(node_type, "DW_AT_", 6) != 0)
769 if(strcmp(node_type, "DW_AT_name") == 0){
771 var = xbt_new0(s_dw_variable_t, 1);
772 var->dwarf_offset = 0;
773 var->name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
774 xbt_dict_set(variables_origin, origin, xbt_strdup(var->name), NULL);
776 }else if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
780 abstract_origin = xbt_dynar_get_as(split, 2, char *);
781 xbt_str_ltrim(abstract_origin, "<0x");
782 xbt_str_rtrim(abstract_origin, ">");
784 variable_name = (char *)xbt_dict_get_or_null(variables_origin, abstract_origin);
785 variable_frame = MC_dwarf_get_frame_by_offset(*local_variables, strtoul(abstract_origin, NULL, 16));
786 var = MC_dwarf_get_variable_by_name(variable_frame, variable_name);
788 }else if(strcmp(node_type, "DW_AT_location") == 0){
792 if(!global_variable){
794 location_type = xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *);
796 if(strcmp(location_type, "list)") == 0){ /* Search location in location list */
797 var->address.location = MC_dwarf_get_location(info->location_list, xbt_dynar_get_as(split, 3, char *));
799 xbt_str_strip_spaces(line);
800 split2 = xbt_str_split(line, "(");
801 xbt_dynar_remove_at(split2, 0, NULL);
802 loc_expr = xbt_str_join(split2, " ");
803 xbt_str_rtrim(loc_expr, ")");
804 if(strncmp("DW_OP_addr", loc_expr, 10) == 0){
806 xbt_dynar_free(&split2);
807 split2 = xbt_str_split(loc_expr, " ");
808 if(strcmp(elf_file, xbt_binary_name) != 0)
809 var->address.address = (char *) info->start_text + (long)((void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16));
811 // Why is it different ?
812 var->address.address = (void *)strtoul(xbt_dynar_get_as(split2, xbt_dynar_length(split2) - 1, char*), NULL, 16);
814 var->address.location = MC_dwarf_get_location(NULL, loc_expr);
816 xbt_dynar_free(&split2);
820 global_address = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *));
821 xbt_str_rtrim(global_address, ")");
822 if(strcmp(elf_file, xbt_binary_name) != 0)
823 var->address.address = (char *) info->start_text + (long)((void *)strtoul(global_address, NULL, 16));
825 // Why is it different ?
826 var->address.address = (void *)strtoul(global_address, NULL, 16);
827 xbt_free(global_address);
828 global_address = NULL;
833 }else if(strcmp(node_type, "DW_AT_type") == 0){
835 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
836 xbt_str_ltrim(type_origin, "<0x");
837 xbt_str_rtrim(type_origin, ">");
839 }else if(strcmp(node_type, "DW_AT_declaration") == 0){
843 dw_variable_free(var);
847 }else if(strcmp(node_type, "DW_AT_artificial") == 0){
851 dw_variable_free(var);
857 read = xbt_getline(&line, &n, fp);
861 if(new_variable == 1){
863 var->global = global_variable;
864 var->type_origin = strdup(type_origin);
865 if(!global_variable){
866 variable_frame = xbt_dict_get_or_null(*local_variables, current_frame);
867 MC_dwarf_register_non_global_variable(info, variable_frame, var);
869 MC_dwarf_register_global_variable(info, var);
872 xbt_free(type_origin);
879 }else if(strcmp(node_type, "(DW_TAG_inlined_subroutine)") == 0){
880 /* Update the information on the frame (we should duplicate it instead). */
882 read = xbt_getline(&line, &n, fp);
886 /* Wipeout the new line character */
887 line[read - 1] = '\0';
889 if(n == 0 || strlen(line) == 0){
890 read = xbt_getline(&line, &n, fp);
894 xbt_dynar_free(&split);
895 xbt_str_rtrim(line, NULL);
896 xbt_str_strip_spaces(line);
897 split = xbt_str_split(line, " ");
899 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
902 node_type = xbt_dynar_get_as(split, 1, char *);
904 if(strcmp(node_type, "DW_AT_abstract_origin:") == 0){
906 origin = xbt_dynar_get_as(split, 2, char *);
907 xbt_str_ltrim(origin, "<0x");
908 xbt_str_rtrim(origin, ">");
910 subprogram_name = (char *)xbt_dict_get_or_null(subprograms_origin, origin);
911 subroutine_frame = xbt_dict_get_or_null(*local_variables, subprogram_name);
913 }else if(strcmp(node_type, "DW_AT_low_pc") == 0){
915 subroutine_frame->low_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
917 }else if(strcmp(node_type, "DW_AT_high_pc") == 0){
919 subroutine_frame->high_pc = (void *)strtoul(xbt_dynar_get_as(split, 3, char *), NULL, 16);
922 read = xbt_getline(&line, &n, fp);
926 }else if(strcmp(node_type, "(DW_TAG_base_type)") == 0
927 || strcmp(node_type, "(DW_TAG_enumeration_type)") == 0
928 || strcmp(node_type, "(DW_TAG_typedef)") == 0
929 || strcmp(node_type, "(DW_TAG_const_type)") == 0
930 || strcmp(node_type, "(DW_TAG_subroutine_type)") == 0
931 || strcmp(node_type, "(DW_TAG_volatile_type)") == 0
932 || (is_pointer = !strcmp(node_type, "(DW_TAG_pointer_type)"))){
934 /* Create the and add it to the types dictionnary */
936 if(strcmp(node_type, "(DW_TAG_base_type)") == 0)
937 type_type = DW_TAG_base_type;
938 else if(strcmp(node_type, "(DW_TAG_enumeration_type)") == 0)
939 type_type = DW_TAG_enumeration_type;
940 else if(strcmp(node_type, "(DW_TAG_typedef)") == 0)
941 type_type = DW_TAG_typedef;
942 else if(strcmp(node_type, "(DW_TAG_const_type)") == 0)
943 type_type = DW_TAG_const_type;
944 else if(strcmp(node_type, "(DW_TAG_pointer_type)") == 0)
945 type_type = DW_TAG_pointer_type;
946 else if(strcmp(node_type, "(DW_TAG_subroutine_type)") == 0)
947 type_type = DW_TAG_subroutine_type;
948 else if(strcmp(node_type, "(DW_TAG_volatile_type)") == 0)
949 type_type = DW_TAG_volatile_type;
951 strtok(xbt_dynar_get_as(split, 0, char *), "<");
952 origin = strdup(strtok(NULL, "<"));
953 xbt_str_rtrim(origin, ">:");
955 read = xbt_getline(&line, &n, fp);
959 /* Wipeout the new line character */
960 line[read - 1] = '\0';
962 if(n == 0 || strlen(line) == 0){
963 read = xbt_getline(&line, &n, fp);
967 xbt_dynar_free(&split);
968 xbt_str_rtrim(line, NULL);
969 xbt_str_strip_spaces(line);
970 split = xbt_str_split(line, " ");
972 if(strncmp(xbt_dynar_get_as(split, 1, char *), "DW_AT_", 6) != 0)
975 node_type = xbt_dynar_get_as(split, 1, char *);
977 if(strcmp(node_type, "DW_AT_byte_size") == 0){
978 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
979 if(type_type == DW_TAG_enumeration_type)
980 enumeration_size = size;
981 }else if(strcmp(node_type, "DW_AT_name") == 0){
982 end = xbt_str_join(split, " ");
983 xbt_dynar_free(&split);
984 split = xbt_str_split(end, "):");
985 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
986 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
987 }else if(strcmp(node_type, "DW_AT_type") == 0){
988 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
989 xbt_str_ltrim(type_origin, "<0x");
990 xbt_str_rtrim(type_origin, ">");
993 read = xbt_getline(&line, &n, fp);
996 dw_type_t type = xbt_new0(s_dw_type_t, 1);
997 type->type = type_type;
999 type->name = xbt_strdup(name);
1001 type->name = xbt_strdup("undefined");
1002 type->is_pointer_type = is_pointer;
1003 type->id = (void *)strtoul(origin, NULL, 16);
1005 type->dw_type_id = xbt_strdup(type_origin);
1007 type->byte_size = size;
1009 type->element_count = -1;
1011 type->members = NULL;
1013 xbt_dict_set(*types, origin, type, NULL);
1017 xbt_free(type_origin);
1026 }else if(strcmp(node_type, "(DW_TAG_structure_type)") == 0 || strcmp(node_type, "(DW_TAG_union_type)") == 0){
1028 if(strcmp(node_type, "(DW_TAG_structure_type)") == 0)
1033 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1034 origin = strdup(strtok(NULL, "<"));
1035 xbt_str_rtrim(origin, ">:");
1037 read = xbt_getline(&line, &n, fp);
1039 dw_type_t type = NULL;
1045 /* Wipeout the new line character */
1046 line[read - 1] = '\0';
1048 if(n == 0 || strlen(line) == 0){
1049 read = xbt_getline(&line, &n, fp);
1053 xbt_dynar_free(&split);
1054 xbt_str_rtrim(line, NULL);
1055 xbt_str_strip_spaces(line);
1056 split = xbt_str_split(line, " ");
1058 node_type = xbt_dynar_get_as(split, 1, char *);
1060 if(strncmp(node_type, "DW_AT_", 6) != 0){
1065 if(strcmp(node_type, "DW_AT_byte_size") == 0){
1066 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1067 }else if(strcmp(node_type, "DW_AT_name") == 0){
1069 end = xbt_str_join(split, " ");
1070 xbt_dynar_free(&split);
1071 split = xbt_str_split(end, "):");
1072 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1073 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1074 }else if(strcmp(node_type, "DW_AT_type") == 0){
1075 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1076 xbt_str_ltrim(type_origin, "<0x");
1077 xbt_str_rtrim(type_origin, ">");
1078 }else if(strcmp(node_type, "DW_AT_data_member_location:") == 0){
1080 end = xbt_str_join(split, " ");
1081 xbt_dynar_free(&split);
1082 split = xbt_str_split(end, "DW_OP_plus_uconst:");
1083 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), NULL);
1084 xbt_str_rtrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), ")");
1085 offset = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1088 read = xbt_getline(&line, &n, fp);
1092 if(member_end && type){
1095 // Why are we not simply referencing, the DW_AT_type?
1096 dw_type_t member_type = xbt_new0(s_dw_type_t, 1);
1097 member_type->name = xbt_strdup(name);
1098 member_type->byte_size = size;
1099 member_type->element_count = -1;
1100 member_type->is_pointer_type = is_pointer;
1101 member_type->id = (void *)strtoul(origin, NULL, 16);
1102 member_type->offset = offset;
1104 member_type->dw_type_id = xbt_strdup(type_origin);
1106 xbt_dynar_push(type->members, &member_type);
1112 xbt_free(type_origin);
1119 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1120 origin = strdup(strtok(NULL, "<"));
1121 xbt_str_rtrim(origin, ">:");
1125 if(struct_decl || union_decl){
1126 type = xbt_new0(s_dw_type_t, 1);
1128 type->type = DW_TAG_structure_type;
1130 type->type = DW_TAG_union_type;
1131 type->name = xbt_strdup(name);
1132 type->byte_size = size;
1133 type->element_count = -1;
1134 type->is_pointer_type = is_pointer;
1135 type->id = (void *)strtoul(origin, NULL, 16);
1137 type->dw_type_id = xbt_strdup(type_origin);
1138 type->members = xbt_dynar_new(sizeof(dw_type_t), dw_type_free_voidp);
1140 xbt_dict_set(*types, origin, type, NULL);
1146 xbt_free(type_origin);
1154 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_member)") != 0)
1157 read = xbt_getline(&line, &n, fp);
1164 }else if(strcmp(node_type, "(DW_TAG_array_type)") == 0){
1166 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1167 origin = strdup(strtok(NULL, "<"));
1168 xbt_str_rtrim(origin, ">:");
1170 read = xbt_getline(&line, &n, fp);
1172 dw_type_t type = NULL;
1174 // Read DW_TAG_subrange_type children:
1177 // Read attributes of the DW_TAG_subrange_type:
1180 /* Wipeout the new line character */
1181 line[read - 1] = '\0';
1183 if(n == 0 || strlen(line) == 0){
1184 read = xbt_getline(&line, &n, fp);
1188 xbt_dynar_free(&split);
1189 xbt_str_rtrim(line, NULL);
1190 xbt_str_strip_spaces(line);
1191 split = xbt_str_split(line, " ");
1193 node_type = xbt_dynar_get_as(split, 1, char *);
1195 if(strncmp(node_type, "DW_AT_", 6) != 0)
1198 if(strcmp(node_type, "DW_AT_upper_bound") == 0){
1199 size = strtol(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL, 10);
1200 }else if(strcmp(node_type, "DW_AT_name") == 0){
1201 end = xbt_str_join(split, " ");
1202 xbt_dynar_free(&split);
1203 split = xbt_str_split(end, "):");
1204 xbt_str_ltrim(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*), NULL);
1205 name = xbt_strdup(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char*));
1206 }else if(strcmp(node_type, "DW_AT_type") == 0){
1207 type_origin = xbt_strdup(xbt_dynar_get_as(split, 3, char *));
1208 xbt_str_ltrim(type_origin, "<0x");
1209 xbt_str_rtrim(type_origin, ">");
1212 read = xbt_getline(&line, &n, fp);
1216 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") == 0){
1220 if(subrange && type){
1221 type->element_count = size;
1227 xbt_free(type_origin);
1233 strtok(xbt_dynar_get_as(split, 0, char *), "<");
1234 origin = strdup(strtok(NULL, "<"));
1235 xbt_str_rtrim(origin, ">:");
1239 type = xbt_new0(s_dw_type_t, 1);
1240 type->type = DW_TAG_array_type;
1241 type->name = xbt_strdup(name);
1242 type->is_pointer_type = is_pointer;
1243 type->id = (void *)strtoul(origin, NULL, 16);
1245 type->dw_type_id = xbt_strdup(type_origin);
1246 type->members = NULL;
1248 // Filled in a post processing step:
1249 type-> byte_size = 0;
1251 xbt_dict_set(*types, origin, type, NULL);
1257 xbt_free(type_origin);
1262 if(strcmp(xbt_dynar_get_as(split, xbt_dynar_length(split) - 1, char *), "(DW_TAG_subrange_type)") != 0)
1265 read = xbt_getline(&line, &n, fp);
1274 read = xbt_getline(&line, &n, fp);
1280 xbt_dynar_free(&split);
1281 xbt_dict_free(&variables_origin);
1282 xbt_dict_free(&subprograms_origin);
1289 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
1290 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address.address);
1292 xbt_dynar_insert_at(info->global_variables, index, &variable);
1296 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
1297 xbt_assert(frame, "Frame is NULL");
1298 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
1300 xbt_dynar_insert_at(frame->variables, index, &variable);
1304 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
1305 if(variable->global)
1306 MC_dwarf_register_global_variable(info, variable);
1307 else if(frame==NULL)
1308 xbt_die("No frame for this local variable");
1310 MC_dwarf_register_non_global_variable(info, frame, variable);
1313 static void MC_post_process_array_size(mc_object_info_t info, dw_type_t type) {
1314 xbt_assert(type->dw_type_id, "No base type for array <%p>%s", type->id, type->name);
1315 dw_type_t subtype = xbt_dict_get_or_null(info->types, type->dw_type_id);
1316 xbt_assert(subtype, "Unkown base type <%s> for array <%p>%s", type->dw_type_id, type->id, type->name);
1317 if(subtype->type==DW_TAG_array_type && type->byte_size==0) {
1318 MC_post_process_array_size(info, subtype);
1320 type->byte_size = type->element_count*subtype->byte_size;
1323 static void MC_post_process_types(mc_object_info_t info) {
1324 xbt_dict_cursor_t cursor;
1327 xbt_dict_foreach(info->types, cursor, origin, type){
1328 if(type->type==DW_TAG_array_type && type->byte_size==0)
1329 MC_post_process_array_size(info, type);
1333 /******************************* Ignore mechanism *******************************/
1334 /*********************************************************************************/
1336 xbt_dynar_t mc_checkpoint_ignore;
1338 typedef struct s_mc_stack_ignore_variable{
1341 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
1343 typedef struct s_mc_data_bss_ignore_variable{
1345 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
1347 /**************************** Free functions ******************************/
1349 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
1350 xbt_free(v->var_name);
1355 static void stack_ignore_variable_free_voidp(void *v){
1356 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
1359 void heap_ignore_region_free(mc_heap_ignore_region_t r){
1363 void heap_ignore_region_free_voidp(void *r){
1364 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
1367 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
1372 static void data_bss_ignore_variable_free_voidp(void *v){
1373 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
1376 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
1380 static void checkpoint_ignore_region_free_voidp(void *r){
1381 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
1384 /***********************************************************************/
1386 void MC_ignore_heap(void *address, size_t size){
1388 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1392 mc_heap_ignore_region_t region = NULL;
1393 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
1394 region->address = address;
1395 region->size = size;
1397 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1399 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
1400 region->fragment = -1;
1401 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
1403 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
1404 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
1407 if(mc_heap_comparison_ignore == NULL){
1408 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
1409 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
1415 unsigned int cursor = 0;
1416 mc_heap_ignore_region_t current_region = NULL;
1418 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1420 while(start <= end){
1421 cursor = (start + end) / 2;
1422 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1423 if(current_region->address == address){
1424 heap_ignore_region_free(region);
1428 }else if(current_region->address < address){
1435 if(current_region->address < address)
1436 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
1438 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
1444 void MC_remove_ignore_heap(void *address, size_t size){
1446 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1450 unsigned int cursor = 0;
1452 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
1453 mc_heap_ignore_region_t region;
1454 int ignore_found = 0;
1456 while(start <= end){
1457 cursor = (start + end) / 2;
1458 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
1459 if(region->address == address){
1462 }else if(region->address < address){
1465 if((char * )region->address <= ((char *)address + size)){
1474 if(ignore_found == 1){
1475 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
1476 MC_remove_ignore_heap(address, size);
1484 void MC_ignore_global_variable(const char *name){
1486 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1490 if(mc_libsimgrid_info){
1492 unsigned int cursor = 0;
1493 dw_variable_t current_var;
1495 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
1497 while(start <= end){
1498 cursor = (start + end) /2;
1499 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
1500 if(strcmp(current_var->name, name) == 0){
1501 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
1503 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
1504 }else if(strcmp(current_var->name, name) < 0){
1513 if(mc_data_bss_comparison_ignore == NULL)
1514 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
1516 mc_data_bss_ignore_variable_t var = NULL;
1517 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
1518 var->name = strdup(name);
1520 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
1522 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
1526 unsigned int cursor = 0;
1528 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
1529 mc_data_bss_ignore_variable_t current_var = NULL;
1531 while(start <= end){
1532 cursor = (start + end) / 2;
1533 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
1534 if(strcmp(current_var->name, name) == 0){
1535 data_bss_ignore_variable_free(var);
1539 }else if(strcmp(current_var->name, name) < 0){
1546 if(strcmp(current_var->name, name) < 0)
1547 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
1549 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
1558 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
1560 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1564 if(mc_libsimgrid_info){
1565 unsigned int cursor = 0;
1566 dw_variable_t current_var;
1568 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
1569 xbt_dict_cursor_t dict_cursor;
1570 char *current_frame_name;
1572 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
1574 end = xbt_dynar_length(frame->variables) - 1;
1575 while(start <= end){
1576 cursor = (start + end) / 2;
1577 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1578 if(strcmp(current_var->name, var_name) == 0){
1579 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1581 end = xbt_dynar_length(frame->variables) - 1;
1582 }else if(strcmp(current_var->name, var_name) < 0){
1589 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
1591 end = xbt_dynar_length(frame->variables) - 1;
1592 while(start <= end){
1593 cursor = (start + end) / 2;
1594 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
1595 if(strcmp(current_var->name, var_name) == 0){
1596 xbt_dynar_remove_at(frame->variables, cursor, NULL);
1598 end = xbt_dynar_length(frame->variables) - 1;
1599 }else if(strcmp(current_var->name, var_name) < 0){
1607 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
1608 mc_libsimgrid_info->local_variables, frame_name))->variables;
1610 end = xbt_dynar_length(variables_list) - 1;
1611 while(start <= end){
1612 cursor = (start + end) / 2;
1613 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
1614 if(strcmp(current_var->name, var_name) == 0){
1615 xbt_dynar_remove_at(variables_list, cursor, NULL);
1617 end = xbt_dynar_length(variables_list) - 1;
1618 }else if(strcmp(current_var->name, var_name) < 0){
1627 if(mc_stack_comparison_ignore == NULL)
1628 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
1630 mc_stack_ignore_variable_t var = NULL;
1631 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
1632 var->var_name = strdup(var_name);
1633 var->frame = strdup(frame_name);
1635 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
1637 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
1641 unsigned int cursor = 0;
1643 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
1644 mc_stack_ignore_variable_t current_var = NULL;
1646 while(start <= end){
1647 cursor = (start + end) / 2;
1648 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
1649 if(strcmp(current_var->frame, frame_name) == 0){
1650 if(strcmp(current_var->var_name, var_name) == 0){
1651 stack_ignore_variable_free(var);
1655 }else if(strcmp(current_var->var_name, var_name) < 0){
1660 }else if(strcmp(current_var->frame, frame_name) < 0){
1667 if(strcmp(current_var->frame, frame_name) == 0){
1668 if(strcmp(current_var->var_name, var_name) < 0){
1669 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1671 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1673 }else if(strcmp(current_var->frame, frame_name) < 0){
1674 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
1676 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
1686 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
1688 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1692 if(stacks_areas == NULL)
1693 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
1695 stack_region_t region = NULL;
1696 region = xbt_new0(s_stack_region_t, 1);
1697 region->address = stack;
1698 region->process_name = strdup(name);
1699 region->context = context;
1700 region->size = size;
1701 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
1702 xbt_dynar_push(stacks_areas, ®ion);
1708 void MC_ignore(void *addr, size_t size){
1710 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
1714 if(mc_checkpoint_ignore == NULL)
1715 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
1717 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
1718 region->addr = addr;
1719 region->size = size;
1721 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
1722 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
1725 unsigned int cursor = 0;
1727 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
1728 mc_checkpoint_ignore_region_t current_region = NULL;
1730 while(start <= end){
1731 cursor = (start + end) / 2;
1732 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
1733 if(current_region->addr == addr){
1734 if(current_region->size == size){
1735 checkpoint_ignore_region_free(region);
1739 }else if(current_region->size < size){
1744 }else if(current_region->addr < addr){
1751 if(current_region->addr == addr){
1752 if(current_region->size < size){
1753 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1755 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1757 }else if(current_region->addr < addr){
1758 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
1760 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
1768 /******************************* Initialisation of MC *******************************/
1769 /*********************************************************************************/
1771 static void MC_dump_ignored_local_variables(void){
1773 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
1776 unsigned int cursor = 0;
1777 mc_stack_ignore_variable_t current_var;
1779 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
1780 MC_ignore_local_variable(current_var->var_name, current_var->frame);
1783 xbt_dynar_free(&mc_stack_comparison_ignore);
1784 mc_stack_comparison_ignore = NULL;
1788 static void MC_dump_ignored_global_variables(void){
1790 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
1793 unsigned int cursor = 0;
1794 mc_data_bss_ignore_variable_t current_var;
1796 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
1797 MC_ignore_global_variable(current_var->name);
1800 xbt_dynar_free(&mc_data_bss_comparison_ignore);
1801 mc_data_bss_comparison_ignore = NULL;
1805 static void MC_init_debug_info();
1806 static void MC_init_debug_info() {
1807 XBT_INFO("Get debug information ...");
1809 memory_map_t maps = MC_get_memory_map();
1811 /* Get local variables for state equality detection */
1812 mc_binary_info = MC_find_object_info(maps, xbt_binary_name);
1813 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path);
1815 MC_free_memory_map(maps);
1816 XBT_INFO("Get debug information done !");
1821 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1825 /* Initialize the data structures that must be persistent across every
1826 iteration of the model-checker (in RAW memory) */
1830 MC_init_memory_map_info();
1831 MC_init_debug_info();
1833 /* Remove variables ignored before getting list of variables */
1834 MC_dump_ignored_local_variables();
1835 MC_dump_ignored_global_variables();
1838 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
1842 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
1843 MC_ignore_local_variable("e", "*");
1844 MC_ignore_local_variable("__ex_cleanup", "*");
1845 MC_ignore_local_variable("__ex_mctx_en", "*");
1846 MC_ignore_local_variable("__ex_mctx_me", "*");
1847 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
1848 MC_ignore_local_variable("_log_ev", "*");
1849 MC_ignore_local_variable("_throw_ctx", "*");
1850 MC_ignore_local_variable("ctx", "*");
1852 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
1853 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
1855 /* Ignore local variable about time used for tracing */
1856 MC_ignore_local_variable("start_time", "*");
1858 MC_ignore_global_variable("mc_comp_times");
1859 MC_ignore_global_variable("mc_snapshot_comparison_time");
1860 MC_ignore_global_variable("mc_time");
1861 MC_ignore_global_variable("smpi_current_rank");
1862 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
1863 MC_ignore_global_variable("maestro_stack_start");
1864 MC_ignore_global_variable("maestro_stack_end");
1866 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
1867 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
1868 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
1869 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
1871 smx_process_t process;
1872 xbt_swag_foreach(process, simix_global->process_list){
1873 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
1881 static void MC_init_dot_output(){ /* FIXME : more colors */
1885 colors[2] = "green3";
1886 colors[3] = "goldenrod";
1887 colors[4] = "brown";
1888 colors[5] = "purple";
1889 colors[6] = "magenta";
1890 colors[7] = "turquoise4";
1891 colors[8] = "gray25";
1892 colors[9] = "forestgreen";
1893 colors[10] = "hotpink";
1894 colors[11] = "lightblue";
1897 dot_output = fopen(_sg_mc_dot_output_file, "w");
1899 if(dot_output == NULL){
1900 perror("Error open dot output file");
1904 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");
1908 /******************************* Core of MC *******************************/
1909 /**************************************************************************/
1911 void MC_do_the_modelcheck_for_real() {
1914 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1917 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1918 if (mc_reduce_kind==e_mc_reduce_unset)
1919 mc_reduce_kind=e_mc_reduce_dpor;
1921 XBT_INFO("Check a safety property");
1922 MC_modelcheck_safety();
1926 if (mc_reduce_kind==e_mc_reduce_unset)
1927 mc_reduce_kind=e_mc_reduce_none;
1929 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1930 MC_automaton_load(_sg_mc_property_file);
1931 MC_modelcheck_liveness();
1935 void MC_modelcheck_safety(void)
1937 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1939 /* Check if MC is already initialized */
1940 if (initial_state_safety)
1943 mc_time = xbt_new0(double, simix_process_maxpid);
1945 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1946 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1948 /* Initialize the data structures that must be persistent across every
1949 iteration of the model-checker (in RAW memory) */
1953 /* Initialize statistics */
1954 mc_stats = xbt_new0(s_mc_stats_t, 1);
1955 mc_stats->state_size = 1;
1957 /* Create exploration stack */
1958 mc_stack_safety = xbt_fifo_new();
1960 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1961 MC_init_dot_output();
1965 if(_sg_mc_visited > 0){
1969 MC_init_memory_map_info();
1970 MC_init_debug_info();
1977 /* Save the initial state */
1978 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1979 initial_state_safety->snapshot = MC_take_snapshot(0);
1991 void MC_modelcheck_liveness(){
1993 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1997 mc_time = xbt_new0(double, simix_process_maxpid);
1999 /* mc_time refers to clock for each process -> ignore it for heap comparison */
2000 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
2004 /* Initialize statistics */
2005 mc_stats = xbt_new0(s_mc_stats_t, 1);
2006 mc_stats->state_size = 1;
2008 /* Create exploration stack */
2009 mc_stack_liveness = xbt_fifo_new();
2011 /* Create the initial state */
2012 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
2014 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
2015 MC_init_dot_output();
2022 MC_print_statistics(mc_stats);
2038 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
2040 return simcall->mc_value;
2044 int MC_random(int min, int max)
2046 /*FIXME: return mc_current_state->executed_transition->random.value;*/
2047 return simcall_mc_random(min, max);
2051 * \brief Schedules all the process that are ready to run
2053 void MC_wait_for_requests(void)
2055 smx_process_t process;
2059 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
2060 SIMIX_process_runall();
2061 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
2062 req = &process->simcall;
2063 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
2064 SIMIX_simcall_pre(req, 0);
2069 int MC_deadlock_check()
2071 int deadlock = FALSE;
2072 smx_process_t process;
2073 if(xbt_swag_size(simix_global->process_list)){
2075 xbt_swag_foreach(process, simix_global->process_list){
2076 if(process->simcall.call != SIMCALL_NONE
2077 && MC_request_is_enabled(&process->simcall)){
2087 * \brief Re-executes from the state at position start all the transitions indicated by
2088 * a given model-checker stack.
2089 * \param stack The stack with the transitions to execute.
2090 * \param start Start index to begin the re-execution.
2092 void MC_replay(xbt_fifo_t stack, int start)
2094 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
2096 int value, i = 1, count = 1;
2098 smx_simcall_t req = NULL, saved_req = NULL;
2099 xbt_fifo_item_t item, start_item;
2101 smx_process_t process = NULL;
2103 XBT_DEBUG("**** Begin Replay ****");
2106 /* Restore the initial state */
2107 MC_restore_snapshot(initial_state_safety->snapshot);
2108 /* At the moment of taking the snapshot the raw heap was set, so restoring
2109 * it will set it back again, we have to unset it to continue */
2113 start_item = xbt_fifo_get_last_item(stack);
2116 start_item = xbt_fifo_get_prev_item(start_item);
2122 xbt_dict_reset(first_enabled_state);
2123 xbt_swag_foreach(process, simix_global->process_list){
2124 if(MC_process_is_enabled(process)){
2125 char *key = bprintf("%lu", process->pid);
2126 char *data = bprintf("%d", count);
2127 xbt_dict_set(first_enabled_state, key, data, NULL);
2134 /* Traverse the stack from the state at position start and re-execute the transitions */
2135 for (item = start_item;
2136 item != xbt_fifo_get_first_item(stack);
2137 item = xbt_fifo_get_prev_item(item)) {
2139 state = (mc_state_t) xbt_fifo_get_item_content(item);
2140 saved_req = MC_state_get_executed_request(state, &value);
2143 char *key = bprintf("%lu", saved_req->issuer->pid);
2144 xbt_dict_remove(first_enabled_state, key);
2149 /* because we got a copy of the executed request, we have to fetch the
2150 real one, pointed by the request field of the issuer process */
2151 req = &saved_req->issuer->simcall;
2153 /* Debug information */
2154 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2155 req_str = MC_request_to_string(req, value);
2156 XBT_DEBUG("Replay: %s (%p)", req_str, state);
2161 SIMIX_simcall_pre(req, value);
2162 MC_wait_for_requests();
2167 /* Insert in dict all enabled processes */
2168 xbt_swag_foreach(process, simix_global->process_list){
2169 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
2170 char *key = bprintf("%lu", process->pid);
2171 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
2172 char *data = bprintf("%d", count);
2173 xbt_dict_set(first_enabled_state, key, data, NULL);
2180 /* Update statistics */
2181 mc_stats->visited_states++;
2182 mc_stats->executed_transitions++;
2186 XBT_DEBUG("**** End Replay ****");
2196 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
2199 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2203 smx_simcall_t req = NULL, saved_req = NULL;
2204 xbt_fifo_item_t item;
2209 XBT_DEBUG("**** Begin Replay ****");
2211 /* Restore the initial state */
2212 MC_restore_snapshot(initial_state_liveness->snapshot);
2214 /* At the moment of taking the snapshot the raw heap was set, so restoring
2215 * it will set it back again, we have to unset it to continue */
2216 if(!initial_state_liveness->raw_mem_set)
2221 item = xbt_fifo_get_last_item(stack);
2223 while(depth <= xbt_fifo_size(stack)){
2225 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2226 state = (mc_state_t) pair->graph_state;
2228 if(pair->requests > 0){
2230 saved_req = MC_state_get_executed_request(state, &value);
2231 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2233 if(saved_req != NULL){
2234 /* because we got a copy of the executed request, we have to fetch the
2235 real one, pointed by the request field of the issuer process */
2236 req = &saved_req->issuer->simcall;
2237 //XBT_DEBUG("Req->call %u", req->call);
2239 /* Debug information */
2240 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2241 req_str = MC_request_to_string(req, value);
2242 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2248 SIMIX_simcall_pre(req, value);
2249 MC_wait_for_requests();
2254 /* Update statistics */
2255 mc_stats->visited_pairs++;
2256 mc_stats->executed_transitions++;
2258 item = xbt_fifo_get_prev_item(item);
2263 /* Traverse the stack from the initial state and re-execute the transitions */
2264 for (item = xbt_fifo_get_last_item(stack);
2265 item != xbt_fifo_get_first_item(stack);
2266 item = xbt_fifo_get_prev_item(item)) {
2268 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
2269 state = (mc_state_t) pair->graph_state;
2271 if(pair->requests > 0){
2273 saved_req = MC_state_get_executed_request(state, &value);
2274 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
2276 if(saved_req != NULL){
2277 /* because we got a copy of the executed request, we have to fetch the
2278 real one, pointed by the request field of the issuer process */
2279 req = &saved_req->issuer->simcall;
2280 //XBT_DEBUG("Req->call %u", req->call);
2282 /* Debug information */
2283 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
2284 req_str = MC_request_to_string(req, value);
2285 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
2291 SIMIX_simcall_pre(req, value);
2292 MC_wait_for_requests();
2297 /* Update statistics */
2298 mc_stats->visited_pairs++;
2299 mc_stats->executed_transitions++;
2303 XBT_DEBUG("**** End Replay ****");
2305 if(initial_state_liveness->raw_mem_set)
2313 * \brief Dumps the contents of a model-checker's stack and shows the actual
2315 * \param stack The stack to dump
2317 void MC_dump_stack_safety(xbt_fifo_t stack)
2320 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2322 MC_show_stack_safety(stack);
2324 if(!_sg_mc_checkpoint){
2329 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
2330 MC_state_delete(state);
2343 void MC_show_stack_safety(xbt_fifo_t stack)
2346 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2352 xbt_fifo_item_t item;
2354 char *req_str = NULL;
2356 for (item = xbt_fifo_get_last_item(stack);
2357 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
2358 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2359 req = MC_state_get_executed_request(state, &value);
2361 req_str = MC_request_to_string(req, value);
2362 XBT_INFO("%s", req_str);
2371 void MC_show_deadlock(smx_simcall_t req)
2373 /*char *req_str = NULL;*/
2374 XBT_INFO("**************************");
2375 XBT_INFO("*** DEAD-LOCK DETECTED ***");
2376 XBT_INFO("**************************");
2377 XBT_INFO("Locked request:");
2378 /*req_str = MC_request_to_string(req);
2379 XBT_INFO("%s", req_str);
2380 xbt_free(req_str);*/
2381 XBT_INFO("Counter-example execution trace:");
2382 MC_dump_stack_safety(mc_stack_safety);
2383 MC_print_statistics(mc_stats);
2387 void MC_show_stack_liveness(xbt_fifo_t stack){
2390 xbt_fifo_item_t item;
2392 char *req_str = NULL;
2394 for (item = xbt_fifo_get_last_item(stack);
2395 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
2396 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
2397 req = MC_state_get_executed_request(pair->graph_state, &value);
2399 if(pair->requests>0){
2400 req_str = MC_request_to_string(req, value);
2401 XBT_INFO("%s", req_str);
2404 XBT_INFO("End of system requests but evolution in Büchi automaton");
2410 void MC_dump_stack_liveness(xbt_fifo_t stack){
2412 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2417 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
2418 MC_pair_delete(pair);
2427 void MC_print_statistics(mc_stats_t stats)
2429 if(stats->expanded_pairs == 0){
2430 XBT_INFO("Expanded states = %lu", stats->expanded_states);
2431 XBT_INFO("Visited states = %lu", stats->visited_states);
2433 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
2434 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
2436 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
2438 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
2439 fprintf(dot_output, "}\n");
2445 void MC_assert(int prop)
2447 if (MC_is_active() && !prop){
2448 XBT_INFO("**************************");
2449 XBT_INFO("*** PROPERTY NOT VALID ***");
2450 XBT_INFO("**************************");
2451 XBT_INFO("Counter-example execution trace:");
2452 MC_dump_stack_safety(mc_stack_safety);
2453 MC_print_statistics(mc_stats);
2459 user_max_depth_reached = 1;
2462 void MC_process_clock_add(smx_process_t process, double amount)
2464 mc_time[process->pid] += amount;
2467 double MC_process_clock_get(smx_process_t process)
2471 return mc_time[process->pid];
2479 void MC_automaton_load(const char *file){
2481 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2485 if (_mc_property_automaton == NULL)
2486 _mc_property_automaton = xbt_automaton_new();
2488 xbt_automaton_load(_mc_property_automaton,file);
2497 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
2499 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
2503 if (_mc_property_automaton == NULL)
2504 _mc_property_automaton = xbt_automaton_new();
2506 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);