char *frame;
}s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
+typedef struct s_mc_data_bss_ignore_variable{
+ void *address;
+ size_t size;
+}s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
+
typedef struct s_stack_region{
void *address;
char *process_name;
/****************************** MC ignore **********************************/
XBT_PUBLIC(void) MC_ignore_heap(void *address, size_t size);
XBT_PUBLIC(void) MC_ignore_stack(const char *var_name, const char *frame);
+XBT_PUBLIC(void) MC_ignore_data_bss(void *address, size_t size);
void MC_new_stack_area(void *stack, char *name, void *context, size_t size);
/********************************* Memory *************************************/
void *start_plt_binary, *end_plt_binary;
char *libsimgrid_path;
void *start_data_libsimgrid, *start_bss_libsimgrid;
+void *start_data_binary, *start_bss_binary;
void *start_text_binary;
void *end_raw_heap;
reg = maps->regions[i];
if(reg.pathname == NULL && (reg.prot & PROT_WRITE) && i < maps->mapsize)
start_bss_libsimgrid = reg.start_addr;
+ }else if (!memcmp(basename(maps->regions[i].pathname), basename(xbt_binary_name), strlen(basename(xbt_binary_name)))){
+ start_data_binary = reg.start_addr;
+ i++;
+ reg = maps->regions[i];
+ if(reg.pathname == NULL && (reg.prot & PROT_WRITE) && reg.start_addr != std_heap && reg.start_addr != raw_heap && i < maps->mapsize){
+ start_bss_binary = reg.start_addr;
+ i++;
+ }
}
}
}else if ((reg.prot & PROT_READ)){
nb_reg++;
i++;
reg = maps->regions[i];
- while(reg.pathname == NULL && (reg.prot & PROT_WRITE) && i < maps->mapsize){
+ if(reg.pathname == NULL && (reg.prot & PROT_WRITE) && i < maps->mapsize){
MC_snapshot_add_region(snapshot, 1, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
- i++;
reg = maps->regions[i];
+ i++;
nb_reg++;
}
} else {
if (!memcmp(basename(maps->regions[i].pathname), basename(xbt_binary_name), strlen(basename(xbt_binary_name)))){
MC_snapshot_add_region(snapshot, 2, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
nb_reg++;
+ i++;
+ reg = maps->regions[i];
+ if(reg.pathname == NULL && (reg.prot & PROT_WRITE) && reg.start_addr != std_heap && reg.start_addr != raw_heap && i < maps->mapsize){
+ MC_snapshot_add_region(snapshot, 2, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
+ reg = maps->regions[i];
+ nb_reg++;
+ }
+ }else{
+ i++;
}
- i++;
}
}
}else if ((reg.prot & PROT_READ)){
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_compare, mc,
"Logging specific to mc_compare");
-static int data_program_region_compare(void *d1, void *d2, size_t size);
-static int data_libsimgrid_region_compare(void *d1, void *d2, size_t size);
+static int data_bss_program_region_compare(void *d1, void *d2, size_t size);
+static int data_bss_libsimgrid_region_compare(void *d1, void *d2, size_t size);
static int heap_region_compare(void *d1, void *d2, size_t size);
static int compare_stack(stack_region_t s1, stack_region_t s2, void *sp1, void *sp2, void *heap1, void *heap2, xbt_dynar_t equals);
static int is_heap_equality(xbt_dynar_t equals, void *a1, void *a2);
static size_t heap_ignore_size(void *address);
+static size_t data_bss_ignore_size(void *address);
static void stack_region_free(stack_region_t s);
static void heap_equality_free(heap_equality_t e);
return 0;
}
-static int data_program_region_compare(void *d1, void *d2, size_t size){
+static size_t data_bss_ignore_size(void *address){
+ unsigned int cursor = 0;
+ int start = 0;
+ int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
+ mc_data_bss_ignore_variable_t var;
+
+ while(start <= end){
+ cursor = (start + end) / 2;
+ var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
+ if(var->address == address)
+ return var->size;
+ if(var->address < address)
+ start = cursor + 1;
+ if(var->address > address)
+ end = cursor - 1;
+ }
+
+ return 0;
+}
+
+static int data_bss_program_region_compare(void *d1, void *d2, size_t size){
size_t i = 0;
int pointer_align;
return 0;
}
-static int data_libsimgrid_region_compare(void *d1, void *d2, size_t size){
+static int data_bss_libsimgrid_region_compare(void *d1, void *d2, size_t size){
size_t i = 0, ignore_size = 0;
int pointer_align;
for(i=0; i<size; i++){
if(memcmp(((char *)d1) + i, ((char *)d2) + i, 1) != 0){
- if((ignore_size = heap_ignore_size((char *)start_data_libsimgrid+i)) > 0){
+ if((ignore_size = data_bss_ignore_size((char *)start_data_libsimgrid+i)) > 0){
i = i + ignore_size;
continue;
- }else if((ignore_size = heap_ignore_size((char *)start_bss_libsimgrid+i)) > 0){
+ }else if((ignore_size = data_bss_ignore_size((char *)start_bss_libsimgrid+i)) > 0){
i = i + ignore_size;
continue;
}
continue;
}else{
if(XBT_LOG_ISENABLED(mc_compare, xbt_log_priority_verbose)){
- XBT_VERB("Different byte (offset=%zu) (%p - %p) in data libsimgrid region", i, (char *)d1 + i, (char *)d2 + i);
+ XBT_VERB("Different byte (offset=%zu) (%p - %p) in libsimgrid region", i, (char *)d1 + i, (char *)d2 + i);
XBT_VERB("Addresses pointed : %p - %p\n", addr_pointed1, addr_pointed2);
}
return 1;
case 2:
data_program_index = i;
i++;
+ while( i < s1->num_reg && s1->regions[i]->type == 2)
+ i++;
break;
}
}
cursor++;
}
+
/* Compare program data segment(s) */
i = data_program_index;
while(i < s1->num_reg && s1->regions[i]->type == 2){
- if(data_program_region_compare(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
+ if(data_bss_program_region_compare(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
if(XBT_LOG_ISENABLED(mc_compare, xbt_log_priority_debug)){
XBT_DEBUG("Different memcmp for data in program");
errors++;
}else{
if(XBT_LOG_ISENABLED(mc_compare, xbt_log_priority_verbose))
- XBT_VERB("Different memcmp for data in program");
+ XBT_VERB("Different memcmp for data in program");
if(!raw_mem_set)
MC_UNSET_RAW_MEM;
return 1;
/* Compare libsimgrid data segment(s) */
i = data_libsimgrid_index;
while(i < s1->num_reg && s1->regions[i]->type == 1){
- if(data_libsimgrid_region_compare(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
+ if(data_bss_libsimgrid_region_compare(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
if(XBT_LOG_ISENABLED(mc_compare, xbt_log_priority_debug)){
XBT_DEBUG("Different memcmp for data in libsimgrid");
errors++;
/* Ignore mechanism */
xbt_dynar_t mc_stack_comparison_ignore;
+xbt_dynar_t mc_data_bss_comparison_ignore;
extern xbt_dynar_t mc_heap_comparison_ignore;
extern xbt_dynar_t stacks_areas;
MC_SET_RAW_MEM;
}
+void MC_ignore_data_bss(void *address, size_t size){
+
+ raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+
+ MC_SET_RAW_MEM;
+
+ if(mc_data_bss_comparison_ignore == NULL)
+ mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), NULL);
+
+ if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
+
+ mc_data_bss_ignore_variable_t var = NULL;
+ var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
+ var->address = address;
+ var->size = size;
+
+ xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
+
+ }else{
+
+ unsigned int cursor = 0;
+ int start = 0;
+ int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
+ mc_data_bss_ignore_variable_t current_var = NULL;
+
+ while(start <= end){
+ cursor = (start + end) / 2;
+ current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
+ if(current_var->address == address){
+ MC_UNSET_RAW_MEM;
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+ return;
+ }
+ if(current_var->address < address)
+ start = cursor + 1;
+ if(current_var->address > address)
+ end = cursor - 1;
+ }
+
+ mc_data_bss_ignore_variable_t var = NULL;
+ var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
+ var->address = address;
+ var->size = size;
+
+ if(current_var->address > address)
+ xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
+ else
+ xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
+
+ }
+
+ MC_UNSET_RAW_MEM;
+
+ if(raw_mem_set)
+ MC_SET_RAW_MEM;
+}
+
void MC_ignore_stack(const char *var_name, const char *frame){
raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
extern void *start_plt_binary;
extern void *end_plt_binary;
extern xbt_dynar_t mc_stack_comparison_ignore;
+extern xbt_dynar_t mc_data_bss_comparison_ignore;
extern void *start_bss_libsimgrid;
typedef struct s_mc_pair{
{
rdv_points = xbt_dict_new_homogeneous(SIMIX_rdv_free);
if(MC_is_active())
- MC_ignore_heap(&smx_total_comms, sizeof(smx_total_comms));
+ MC_ignore_data_bss(&smx_total_comms, sizeof(smx_total_comms));
}
void SIMIX_network_exit(void)