#include "mc_private.h"
#include "xbt/module.h"
+#include "../simix/smx_private.h"
+
+#include <libunwind.h>
+
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_checkpoint, mc,
"Logging specific to mc_checkpoint");
static void MC_snapshot_add_region(mc_snapshot_t snapshot, int type, void *start_addr, size_t size);
-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 void add_value(xbt_dynar_t *list, const char *type, unsigned long int val);
+static xbt_dynar_t take_snapshot_stacks(void *heap);
+static void get_local_variables_values(xbt_dynar_t *all_variables, stack_region_t stack, void *heap);
+static void print_local_variables_values(xbt_dynar_t all_variables);
static mc_mem_region_t MC_region_new(int type, void *start_addr, size_t size)
{
s_map_region_t reg;
memory_map_t maps = get_memory_map();
int nb_reg = 0;
+ void *heap = NULL;
/* Save the std heap and the writable mapped pages of libsimgrid */
while (i < maps->mapsize && nb_reg < 3) {
if (maps->regions[i].pathname == NULL){
if (reg.start_addr == std_heap){ // only save the std heap (and not the raw one)
MC_snapshot_add_region(snapshot, 0, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
+ heap = snapshot->regions[nb_reg]->data;
nb_reg++;
}
} else {
}
i++;
}
+
+ snapshot->stacks = take_snapshot_stacks(heap);
free_memory_map(maps);
xbt_free(snapshot);
}
-static int data_program_region_compare(void *d1, void *d2, size_t size){
- int distance = 0;
- size_t i = 0;
-
- for(i=0; i<size; i++){
- if(memcmp(((char *)d1) + i, ((char *)d2) + i, 1) != 0){
- XBT_DEBUG("Different byte (offset=%zu) (%p - %p) in data program region", i, (char *)d1 + i, (char *)d2 + i);
- distance++;
- }
- }
-
- XBT_DEBUG("Hamming distance between data program regions : %d", distance);
-
- return distance;
-}
-
-static int data_libsimgrid_region_compare(void *d1, void *d2, size_t size){
- int distance = 0;
- size_t i = 0;
- int pointer_align;
- void *addr_pointed1 = NULL, *addr_pointed2 = NULL;
-
- for(i=0; i<size; i++){
- if(memcmp(((char *)d1) + i, ((char *)d2) + i, 1) != 0){
- pointer_align = (i / sizeof(void*)) * sizeof(void*);
- addr_pointed1 = *((void **)((char *)d1 + pointer_align));
- addr_pointed2 = *((void **)((char *)d2 + pointer_align));
- if((addr_pointed1 > start_plt && addr_pointed1 < end_plt) || (addr_pointed2 > start_plt && addr_pointed2 < end_plt)){
- continue;
- }else{
- XBT_DEBUG("Different byte (offset=%zu) (%p - %p) in data libsimgrid region", i, (char *)d1 + i, (char *)d2 + i);
- XBT_DEBUG("Addresses pointed : %p - %p\n", addr_pointed1, addr_pointed2);
- distance++;
- }
- }
- }
-
- XBT_DEBUG("Hamming distance between data libsimgrid regions : %d", distance); fflush(NULL);
-
- return distance;
-}
-
-int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2){
-
- int errors = 0, i;
-
- if(s1->num_reg != s2->num_reg){
- XBT_DEBUG("Different num_reg (s1 = %u, s2 = %u)", s1->num_reg, s2->num_reg);
- return 1;
- }
-
- for(i=0 ; i< s1->num_reg ; i++){
-
- if(s1->regions[i]->type != s2->regions[i]->type){
- XBT_INFO("Different type of region");
- errors++;
- }
-
- switch(s1->regions[i]->type){
- case 0 :
- /* Compare heapregion */
- if(s1->regions[i]->size != s2->regions[i]->size){
- XBT_DEBUG("Different size of heap (s1 = %zu, s2 = %zu)", s1->regions[i]->size, s2->regions[i]->size);
- errors++;
- }
- if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
- XBT_DEBUG("Different start addr of heap (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
- errors++;
- }
- if(mmalloc_compare_heap((xbt_mheap_t)s1->regions[i]->data, (xbt_mheap_t)s2->regions[i]->data)){
- XBT_DEBUG("Different heap (mmalloc_compare)");
- errors++;
- }
- break;
- case 1 :
- /* Compare data libsimgrid region */
- if(s1->regions[i]->size != s2->regions[i]->size){
- XBT_DEBUG("Different size of libsimgrid (data) (s1 = %zu, s2 = %zu)", s1->regions[i]->size, s2->regions[i]->size);
- errors++;
- }
- if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
- XBT_DEBUG("Different start addr of libsimgrid (data) (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
- errors++;
- }
- if(data_libsimgrid_region_compare(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
- XBT_DEBUG("Different memcmp for data in libsimgrid");
- errors++;
- }
- break;
-
- case 2 :
- /* Compare data program region */
- if(s1->regions[i]->size != s2->regions[i]->size){
- XBT_DEBUG("Different size of data program (s1 = %zu, s2 = %zu)", s1->regions[i]->size, s2->regions[i]->size);
- //errors++;
- return 1;
- }
- if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
- XBT_DEBUG("Different start addr of data program (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
- //errors++;
- return 1;
- }
- if(data_program_region_compare(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
- XBT_DEBUG("Different memcmp for data in program");
- //errors++;
- return 1;
- }
- break;
-
- }
-
- }
-
-
- return errors > 0;
-
-}
void get_plt_section(){
