#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);
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++;
}
}
return distance;
}
+static int heap_region_compare(void *d1, void *d2, size_t size);
+
+static int heap_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 heap region", i, (char *)d1 + i, (char *)d2 + i);
+ distance++;
+ }
+ }
+
+ XBT_DEBUG("Hamming distance between heap regions : %d (total size : %zu)", distance, size);
+
+ return distance;
+}
+
int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2){
int errors = 0, i;
+ //int dist = 0;
+
if(s1->num_reg != s2->num_reg){
XBT_DEBUG("Different num_reg (s1 = %u, s2 = %u)", s1->num_reg, s2->num_reg);
XBT_DEBUG("Different heap (mmalloc_compare)");
errors++;
}
+ /*if(heap_region_compare(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
+ XBT_DEBUG("Different memcmp for heap");
+ errors++;
+ }*/
+ /*if((dist = mmalloc_linear_compare_heap((xbt_mheap_t)s1->regions[i]->data, (xbt_mheap_t)s2->regions[i]->data)) > 0){
+ XBT_DEBUG("Different heap (mmalloc_linear_compare) : %d", dist);
+ errors++;
+ }*/
break;
case 1 :
/* Compare data libsimgrid region */
char *lfields[7];
int i, plt_not_found = 1;
unsigned long int size, offset;
-
- char command[512];
- sprintf(command, "objdump --section-headers %s", libsimgrid_path);
+
+ char *command = bprintf( "objdump --section-headers %s", libsimgrid_path);
fp = popen(command, "r");
if(fp == NULL)
perror("popen failed");
- while ((read = getline(&line, &n, fp)) != -1 && plt_not_found) {
+ while ((read = getline(&line, &n, fp)) != -1 && plt_not_found == 1) {
if(n == 0)
continue;
offset = strtoul(lfields[4], NULL, 16);
start_plt = (char *)start_text_libsimgrid + offset;
end_plt = (char *)start_plt + size;
- fprintf(stderr, ".plt section : %p - %p \n", start_plt, end_plt);
plt_not_found = 0;
}
}
}
+ free(command);
free(line);
pclose(fp);