-/* Copyright (c) 2008-2012 Da SimGrid Team. All rights reserved. */
+/* Copyright (c) 2012-2013 Da SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
static void stack_region_free(stack_region_t s);
static void heap_equality_free(heap_equality_t e);
-static int is_stack_ignore_variable(char *frame, char *var_name);
static int compare_local_variables(char *s1, char *s2);
static int compare_global_variables(int region_type, void *d1, void *d2);
return 0;
}
-static int compare_global_variables(int region_type, void *d1, void *d2){
+static int compare_global_variables(int region_type, void *d1, void *d2){ /* region_type = 1 -> libsimgrid, region_type = 2 -> binary */
unsigned int cursor = 0;
size_t offset;
int pointer_align;
void *addr_pointed1 = NULL, *addr_pointed2 = NULL;
int res_compare = 0;
+ void *plt_start, *plt_end;
- if(region_type == 1){ /* libsimgrid */
- xbt_dynar_foreach(mc_global_variables, cursor, current_var){
- if(current_var->address < start_data_libsimgrid)
+ if(region_type == 2){
+ plt_start = start_plt_binary;
+ plt_end = end_plt_binary;
+ }else{
+ plt_start = start_plt_libsimgrid;
+ plt_end = end_plt_libsimgrid;
+ }
+
+ xbt_dynar_foreach(mc_global_variables, cursor, current_var){
+ if(current_var->address < start_data_libsimgrid){ /* binary global variable */
+ if(region_type == 1)
continue;
+ offset = (char *)current_var->address - (char *)start_data_binary;
+ }else{ /* libsimgrid global variable */
+ if(region_type == 2)
+ break;
offset = (char *)current_var->address - (char *)start_data_libsimgrid;
- i = 0;
- while(i < current_var->size){
- if(memcmp((char*)d1 + offset + i, (char*)d2 + offset + i, 1) != 0){
- pointer_align = (i / sizeof(void*)) * sizeof(void*);
- addr_pointed1 = *((void **)((char *)d1 + offset + pointer_align));
- addr_pointed2 = *((void **)((char *)d2 + offset + pointer_align));
- if((addr_pointed1 > start_plt_libsimgrid && addr_pointed1 < end_plt_libsimgrid) || (addr_pointed2 > start_plt_libsimgrid && addr_pointed2 < end_plt_libsimgrid)){
- i = current_var->size;
- continue;
- }else{
- if((addr_pointed1 > std_heap) && ((char *)addr_pointed1 < (char *)std_heap + STD_HEAP_SIZE) && (addr_pointed2 > std_heap) && ((char *)addr_pointed2 < (char *)std_heap + STD_HEAP_SIZE)){
- res_compare = compare_area(addr_pointed1, addr_pointed2, NULL);
- if(res_compare == 1){
- #ifdef MC_VERBOSE
- XBT_VERB("Different global variable in libsimgrid : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
- #endif
- return 1;
- }
- }else{
- #ifdef MC_VERBOSE
- XBT_VERB("Different global variable in libsimgrid : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
- #endif
- return 1;
- }
-
- }
- }
- i++;
- }
}
- }else{ /* binary */
- xbt_dynar_foreach(mc_global_variables, cursor, current_var){
- if(current_var->address > start_data_libsimgrid)
- break;
- offset = (char *)current_var->address - (char *)start_data_binary;
- i = 0;
- while(i < current_var->size){
- if(memcmp((char*)d1 + offset + i, (char*)d2 + offset + i, 1) != 0){
- pointer_align = (i / sizeof(void*)) * sizeof(void*);
- addr_pointed1 = *((void **)((char *)d1 + offset + pointer_align));
- addr_pointed2 = *((void **)((char *)d2 + offset + pointer_align));
- if((addr_pointed1 > start_plt_binary && addr_pointed1 < end_plt_binary) || (addr_pointed2 > start_plt_binary && addr_pointed2 < end_plt_binary)){
- i = current_var->size;
- continue;
- }else{
- if((addr_pointed1 > std_heap) && ((char *)addr_pointed1 < (char *)std_heap + STD_HEAP_SIZE) && (addr_pointed2 > std_heap) && ((char *)addr_pointed2 < (char *)std_heap + STD_HEAP_SIZE)){
- res_compare = compare_area(addr_pointed1, addr_pointed2, NULL);
- if(res_compare == 1){
- #ifdef MC_VERBOSE
- XBT_VERB("Different global variable in binary : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
- #endif
- return 1;
- }
- }else{
- #ifdef MC_VERBOSE
+ i = 0;
+ while(i < current_var->size){
+ if(memcmp((char *)d1 + offset + i, (char *)d2 + offset + i, 1) != 0){
+ pointer_align = (i / sizeof(void*)) * sizeof(void*);
+ addr_pointed1 = *((void **)((char *)d1 + offset + pointer_align));
+ addr_pointed2 = *((void **)((char *)d2 + offset + pointer_align));
+ if((addr_pointed1 > plt_start && addr_pointed1 < plt_end) || (addr_pointed2 > plt_start && addr_pointed2 < plt_end)){
+ i = pointer_align + sizeof(void*);
+ continue;
+ }else if((addr_pointed1 > std_heap) && ((char *)addr_pointed1 < (char *)std_heap + STD_HEAP_SIZE)
+ && (addr_pointed2 > std_heap) && ((char *)addr_pointed2 < (char *)std_heap + STD_HEAP_SIZE)){
+ res_compare = compare_area(addr_pointed1, addr_pointed2, NULL);
+ if(res_compare == 1){
+ #ifdef MC_VERBOSE
+ if(region_type == 2)
XBT_VERB("Different global variable in binary : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
- #endif
- return 1;
- }
+ else
+ XBT_VERB("Different global variable in libsimgrid : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
+ #endif
+ #ifdef MC_DEBUG
+ if(region_type == 2)
+ XBT_DEBUG("Different global variable in binary : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
+ else
+ XBT_DEBUG("Different global variable in libsimgrid : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
+ #endif
+ return 1;
}
- }
- i++;
+ i = pointer_align + sizeof(void*);
+ continue;
+ }else{
+ #ifdef MC_VERBOSE
+ if(region_type == 2)
+ XBT_VERB("Different global variable in binary : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
+ else
+ XBT_VERB("Different global variable in libsimgrid : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
+ #endif
+ #ifdef MC_DEBUG
+ if(region_type == 2)
+ XBT_DEBUG("Different global variable in binary : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
+ else
+ XBT_DEBUG("Different global variable in libsimgrid : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
+ #endif
+ return 1;
+ }
}
-
+ i++;
}
}
}
static void heap_equality_free(heap_equality_t e){
- if(e){
- xbt_free(e);
- }
+ xbt_free(e);
}
void heap_equality_free_voidp(void *e){
return snapshot_compare(s1, s2);
}
-int get_heap_region_index(mc_snapshot_t s){
- int i = 0;
- while(i < s->num_reg){
- switch(s->regions[i]->type){
- case 0:
- return i;
- break;
- default:
- i++;
- break;
- }
- }
- return -1;
-}
-
int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2){
int raw_mem = (mmalloc_get_current_heap() == raw_heap);
#ifdef MC_VERBOSE
XBT_VERB("Different number of processes : %d - %d", s1->nb_processes, s2->nb_processes);
#endif
-
+
xbt_os_timer_free(timer);
xbt_os_timer_stop(global_timer);
mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
#ifdef MC_VERBOSE
XBT_VERB("Different size used in stacks : %zu - %zu", size_used1, size_used2);
#endif
-
+
xbt_os_timer_free(timer);
xbt_os_timer_stop(global_timer);
mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
xbt_os_timer_start(timer);
#endif
- int heap_index = 0, data_libsimgrid_index = 0, data_program_index = 0;
- i = 0;
-
- /* Get index of regions */
- while(i < s1->num_reg){
- switch(s1->region_type[i]){
- case 0:
- heap_index = i;
- i++;
- break;
- case 1:
- data_libsimgrid_index = i;
- i++;
- while( i < s1->num_reg && s1->region_type[i] == 1)
- i++;
- break;
- case 2:
- data_program_index = i;
- i++;
- while( i < s1->num_reg && s1->region_type[i] == 2)
- i++;
- break;
+ /* Compare hash of global variables */
+ if(s1->hash_global != NULL && s2->hash_global != NULL){
+ if(strcmp(s1->hash_global, s2->hash_global) != 0){
+ #ifdef MC_DEBUG
+ xbt_os_timer_stop(timer);
+ mc_comp_times->hash_global_variables_comparison_time = xbt_os_timer_elapsed(timer);
+ XBT_DEBUG("Different hash of global variables : %s - %s", s1->hash_global, s2->hash_global);
+ errors++;
+ #else
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different hash of global variables : %s - %s", s1->hash_global, s2->hash_global);
+ #endif
+
+ xbt_os_timer_free(timer);
+ xbt_os_timer_stop(global_timer);
+ mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
+ xbt_os_timer_free(global_timer);
+
+ if(!raw_mem)
+ MC_UNSET_RAW_MEM;
+
+ return 1;
+ #endif
}
}
+ #ifdef MC_DEBUG
+ xbt_os_timer_start(timer);
+ #endif
+
+ /* Compare hash of local variables */
+ if(s1->hash_local != NULL && s2->hash_local != NULL){
+ if(strcmp(s1->hash_local, s2->hash_local) != 0){
+ #ifdef MC_DEBUG
+ xbt_os_timer_stop(timer);
+ mc_comp_times->hash_local_variables_comparison_time = xbt_os_timer_elapsed(timer);
+ XBT_DEBUG("Different hash of local variables : %s - %s", s1->hash_local, s2->hash_local);
+ errors++;
+ #else
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different hash of local variables : %s - %s", s1->hash_local, s2->hash_local);
+ #endif
+
+ xbt_os_timer_free(timer);
+ xbt_os_timer_stop(global_timer);
+ mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
+ xbt_os_timer_free(global_timer);
+
+ if(!raw_mem)
+ MC_UNSET_RAW_MEM;
+
+ return 1;
+ #endif
+ }
+ }
+
+ #ifdef MC_DEBUG
+ xbt_os_timer_start(timer);
+ #endif
+
/* Init heap information used in heap comparison algorithm */
- init_heap_information((xbt_mheap_t)s1->regions[heap_index]->data, (xbt_mheap_t)s2->regions[heap_index]->data, s1->to_ignore, s2->to_ignore);
+ init_heap_information((xbt_mheap_t)s1->regions[0]->data, (xbt_mheap_t)s2->regions[0]->data, s1->to_ignore, s2->to_ignore);
/* Compare binary global variables */
- is_diff = compare_global_variables(s1->region_type[data_program_index], s1->regions[data_program_index]->data, s2->regions[data_program_index]->data);
+ is_diff = compare_global_variables(2, s1->regions[2]->data, s2->regions[2]->data);
if(is_diff != 0){
#ifdef MC_DEBUG
xbt_os_timer_stop(timer);
#ifdef MC_VERBOSE
XBT_VERB("Different global variables in binary");
#endif
-
+
+ reset_heap_information();
xbt_os_timer_free(timer);
xbt_os_timer_stop(global_timer);
mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
#endif
/* Compare libsimgrid global variables */
- is_diff = compare_global_variables(s1->region_type[data_libsimgrid_index], s1->regions[data_libsimgrid_index]->data, s2->regions[data_libsimgrid_index]->data);
+ is_diff = compare_global_variables(1, s1->regions[1]->data, s2->regions[1]->data);
if(is_diff != 0){
#ifdef MC_DEBUG
xbt_os_timer_stop(timer);
#ifdef MC_VERBOSE
XBT_VERB("Different global variables in libsimgrid");
#endif
-
+
+ reset_heap_information();
xbt_os_timer_free(timer);
xbt_os_timer_stop(global_timer);
mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
xbt_os_timer_start(timer);
#endif
- /* Stacks comparison */
- unsigned int cursor = 0;
- int diff_local = 0;
- is_diff = 0;
+ /* Stacks comparison */
+ unsigned int cursor = 0;
+ int diff_local = 0;
+ is_diff = 0;
- while(cursor < xbt_dynar_length(s1->stacks)){
- diff_local = compare_local_variables(((mc_snapshot_stack_t)xbt_dynar_get_as(s1->stacks, cursor, mc_snapshot_stack_t))->local_variables->data, ((mc_snapshot_stack_t)xbt_dynar_get_as(s2->stacks, cursor, mc_snapshot_stack_t))->local_variables->data);
- if(diff_local > 0){
- #ifdef MC_DEBUG
- if(is_diff == 0){
- xbt_os_timer_stop(timer);
- mc_comp_times->stacks_comparison_time = xbt_os_timer_elapsed(timer);
- }
- XBT_DEBUG("Different local variables between stacks %d", cursor + 1);
- errors++;
- is_diff = 1;
- #else
+ while(cursor < xbt_dynar_length(s1->stacks)){
+ diff_local = compare_local_variables(((mc_snapshot_stack_t)xbt_dynar_get_as(s1->stacks, cursor, mc_snapshot_stack_t))->local_variables->data, ((mc_snapshot_stack_t)xbt_dynar_get_as(s2->stacks, cursor, mc_snapshot_stack_t))->local_variables->data);
+ if(diff_local > 0){
+ #ifdef MC_DEBUG
+ if(is_diff == 0){
+ xbt_os_timer_stop(timer);
+ mc_comp_times->stacks_comparison_time = xbt_os_timer_elapsed(timer);
+ }
+ XBT_DEBUG("Different local variables between stacks %d", cursor + 1);
+ errors++;
+ is_diff = 1;
+ #else
- #ifdef MC_VERBOSE
- XBT_VERB("Different local variables between stacks %d", cursor + 1);
- #endif
-
- reset_heap_information();
- xbt_os_timer_free(timer);
- xbt_os_timer_stop(global_timer);
- mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
- xbt_os_timer_free(global_timer);
-
- if(!raw_mem)
- MC_UNSET_RAW_MEM;
-
- return 1;
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different local variables between stacks %d", cursor + 1);
#endif
- }
- cursor++;
+
+ reset_heap_information();
+ xbt_os_timer_free(timer);
+ xbt_os_timer_stop(global_timer);
+ mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
+ xbt_os_timer_free(global_timer);
+
+ if(!raw_mem)
+ MC_UNSET_RAW_MEM;
+
+ return 1;
+ #endif
}
+ cursor++;
+ }
- #ifdef MC_DEBUG
- xbt_os_timer_start(timer);
- #endif
+ #ifdef MC_DEBUG
+ xbt_os_timer_start(timer);
+ #endif
/* Compare heap */
-
- if(mmalloc_compare_heap((xbt_mheap_t)s1->regions[heap_index]->data, (xbt_mheap_t)s2->regions[heap_index]->data)){
+ if(mmalloc_compare_heap((xbt_mheap_t)s1->regions[0]->data, (xbt_mheap_t)s2->regions[0]->data)){
#ifdef MC_DEBUG
xbt_os_timer_stop(timer);
}
-static int is_stack_ignore_variable(char *frame, char *var_name){
+int is_stack_ignore_variable(char *frame, char *var_name){
unsigned int cursor = 0;
int start = 0;
xbt_dynar_t s_tokens1, s_tokens2;
unsigned int cursor = 0;
void *addr1, *addr2;
- char *ip1 = NULL, *ip2 = NULL;
+ char *frame_name1 = NULL, *frame_name2 = NULL;
int res_compare = 0;
- char *var_name;
-
+
+ #if defined MC_VERBOSE || defined MC_DEBUG
+ char *var_name;
+ #endif
+
while(cursor < xbt_dynar_length(tokens1)){
s_tokens1 = xbt_str_split(xbt_dynar_get_as(tokens1, cursor, char *), "=");
s_tokens2 = xbt_str_split(xbt_dynar_get_as(tokens2, cursor, char *), "=");
if(xbt_dynar_length(s_tokens1) > 1 && xbt_dynar_length(s_tokens2) > 1){
- var_name = xbt_dynar_get_as(s_tokens1, 0, char *);
- if((strcmp(xbt_dynar_get_as(s_tokens1, 0, char *), "ip") == 0) && (strcmp(xbt_dynar_get_as(s_tokens2, 0, char *), "ip") == 0)){
- xbt_free(ip1);
- xbt_free(ip2);
- ip1 = strdup(xbt_dynar_get_as(s_tokens1, 1, char *));
- ip2 = strdup(xbt_dynar_get_as(s_tokens2, 1, char *));
+ #if defined MC_VERBOSE || defined MC_DEBUG
+ var_name = xbt_dynar_get_as(s_tokens1, 0, char *);
+ #endif
+ if((strcmp(xbt_dynar_get_as(s_tokens1, 0, char *), "frame_name") == 0) && (strcmp(xbt_dynar_get_as(s_tokens2, 0, char *), "frame_name") == 0)){
+ xbt_free(frame_name1);
+ xbt_free(frame_name2);
+ frame_name1 = strdup(xbt_dynar_get_as(s_tokens1, 1, char *));
+ frame_name2 = strdup(xbt_dynar_get_as(s_tokens2, 1, char *));
}
addr1 = (void *) strtoul(xbt_dynar_get_as(s_tokens1, 1, char *), NULL, 16);
addr2 = (void *) strtoul(xbt_dynar_get_as(s_tokens2, 1, char *), NULL, 16);
if(addr1 > std_heap && (char *)addr1 <= (char *)std_heap + STD_HEAP_SIZE && addr2 > std_heap && (char *)addr2 <= (char *)std_heap + STD_HEAP_SIZE){
res_compare = compare_area(addr1, addr2, NULL);
if(res_compare == 1){
- if(is_stack_ignore_variable(ip1, xbt_dynar_get_as(s_tokens1, 0, char *)) && is_stack_ignore_variable(ip2, xbt_dynar_get_as(s_tokens2, 0, char *))){
+ if(is_stack_ignore_variable(frame_name1, xbt_dynar_get_as(s_tokens1, 0, char *)) && is_stack_ignore_variable(frame_name2, xbt_dynar_get_as(s_tokens2, 0, char *))){
xbt_dynar_free(&s_tokens1);
xbt_dynar_free(&s_tokens2);
cursor++;
continue;
}else {
#ifdef MC_VERBOSE
- XBT_VERB("Different local variable : %s at addresses %p - %p", var_name, addr1, addr2);
+ XBT_VERB("Different local variable : %s at addresses %p - %p in frame %s", var_name, addr1, addr2, frame_name1);
+ #endif
+ #ifdef MC_DEBUG
+ XBT_DEBUG("Different local variable : %s at addresses %p - %p", var_name, addr1, addr2);
#endif
xbt_dynar_free(&s_tokens1);
xbt_dynar_free(&s_tokens2);
xbt_dynar_free(&tokens1);
xbt_dynar_free(&tokens2);
- xbt_free(ip1);
- xbt_free(ip2);
+ xbt_free(frame_name1);
+ xbt_free(frame_name2);
+ return 1;
+ }
+ }
+ }else{
+ if(strcmp(xbt_dynar_get_as(s_tokens1, 1, char *), xbt_dynar_get_as(s_tokens2, 1, char *)) != 0){
+ if(is_stack_ignore_variable(frame_name1, xbt_dynar_get_as(s_tokens1, 0, char *)) && is_stack_ignore_variable(frame_name2, xbt_dynar_get_as(s_tokens2, 0, char *))){
+ xbt_dynar_free(&s_tokens1);
+ xbt_dynar_free(&s_tokens2);
+ cursor++;
+ continue;
+ }else {
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different local variable : %s (%s - %s) in frame %s", var_name, xbt_dynar_get_as(s_tokens1, 1, char *), xbt_dynar_get_as(s_tokens2, 1, char *), frame_name1);
+ #endif
+ #ifdef MC_DEBUG
+ XBT_DEBUG("Different local variable : %s (%s - %s)", var_name, xbt_dynar_get_as(s_tokens1, 1, char *), xbt_dynar_get_as(s_tokens2, 1, char *));
+ #endif
+
+ xbt_dynar_free(&s_tokens1);
+ xbt_dynar_free(&s_tokens2);
+ xbt_dynar_free(&tokens1);
+ xbt_dynar_free(&tokens2);
+ xbt_free(frame_name1);
+ xbt_free(frame_name2);
return 1;
}
}
cursor++;
}
- xbt_free(ip1);
- xbt_free(ip2);
+ xbt_free(frame_name1);
+ xbt_free(frame_name2);
xbt_dynar_free(&tokens1);
xbt_dynar_free(&tokens2);
return 0;
int MC_compare_snapshots(void *s1, void *s2){
MC_ignore_stack("self", "simcall_BODY_mc_snapshot");
-
+
return simcall_mc_compare_snapshots(s1, s2);
}
