fprintf(stderr, "Backtrace of where the block %p was malloced (%d frames):\n",ptr,e.used);
for (i = 0; i < e.used; i++) /* no need to display "xbt_backtrace_display" */{
- fprintf(stderr,"%d",i);fflush(NULL);
- fprintf(stderr, "---> %s\n", e.bt_strings[i] + 4);
+ fprintf(stderr,"%d",i);fflush(NULL);
+ fprintf(stderr, "---> %s\n", e.bt_strings[i] + 4);
}
}
}
fprintf(stderr, "Backtrace of where the block %zu was malloced (%d frames):\n", block ,e.used);
for (i = 0; i < e.used; i++) /* no need to display "xbt_backtrace_display" */{
- fprintf(stderr,"%d",i);fflush(NULL);
- fprintf(stderr, "---> %s\n", e.bt_strings[i] + 4);
+ fprintf(stderr,"%d",i);fflush(NULL);
+ fprintf(stderr, "---> %s\n", e.bt_strings[i] + 4);
}
}
}
void mmalloc_backtrace_fragment_display(xbt_mheap_t mdp, size_t block, size_t frag){
-
+
xbt_ex_t e;
memcpy(&e.bt,&(mdp->heapinfo[block].busy_frag.bt[frag]),sizeof(void*)*XBT_BACKTRACE_SIZE);
fprintf(stderr, "Backtrace of where the fragment %zu in block %zu was malloced (%d frames):\n", frag, block ,e.used);
for (i = 0; i < e.used; i++) /* no need to display "xbt_backtrace_display" */{
- fprintf(stderr,"%d",i);fflush(NULL);
- fprintf(stderr, "---> %s\n", e.bt_strings[i] + 4);
+ fprintf(stderr,"%d",i);fflush(NULL);
+ fprintf(stderr, "---> %s\n", e.bt_strings[i] + 4);
}
}
}
}
void* s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
-
+
void *heapbase1 = (char *)mdp1 + BLOCKSIZE;
void *heapbase2 = (char *)mdp2 + BLOCKSIZE;
size_t i, j;
void *addr_block1, *addr_block2, *addr_frag1, *addr_frag2;
- size_t frag_size = 0; /* FIXME: arbitrary initialization */
+ size_t frag_size;
i = 1;
int block_pointed1, block_pointed2;
void *addr_block_pointed1, *addr_block_pointed2;
- int frag_pointed1, frag_pointed2;
/* Check busy blocks*/
while(i < mdp1->heaplimit){
if(mdp1->heapinfo[i].type != mdp2->heapinfo[i].type){
- fprintf(stderr,"Different type of block : %d - %d\n", mdp1->heapinfo[i].type, mdp2->heapinfo[i].type);
- errors++;
+ fprintf(stderr,"Different type of block : %d - %d\n", mdp1->heapinfo[i].type, mdp2->heapinfo[i].type);
+ errors++;
}
addr_block1 = (char*)heapbase1 + ((i-1)*BLOCKSIZE);
if(mdp1->heapinfo[i].type == 0){ /* busy large block */
- if(mdp1->heapinfo[i].busy_block.size != mdp2->heapinfo[i].busy_block.size){
- fprintf(stderr,"Different size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.size, mdp2->heapinfo[i].busy_block.size);
- fflush(NULL);
- errors++;
- }
-
- if(mdp1->heapinfo[i].busy_block.busy_size != mdp2->heapinfo[i].busy_block.busy_size){
- fprintf(stderr,"Different busy_size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.busy_size, mdp2->heapinfo[i].busy_block.busy_size);
- fflush(NULL);
- errors++;
- }
-
-
- /* Hamming distance on different blocks */
- distance = 0;
-
- //for(k=0;k<mdp1->heapinfo[i].busy_block.size * BLOCKSIZE;k++){
- for(k=0;k<mdp1->heapinfo[i].busy_block.busy_size;k++){
- if(memcmp(((char *)addr_block1) + k, ((char *)addr_block2) + k, 1) != 0){
- //fprintf(stderr, "Different byte (offset=%d) (%p - %p) in block %zu\n", k, (char *)addr_block1 + k, (char *)addr_block2 + k, i); fflush(NULL);
- pointer_align = (k / sizeof(void*)) * sizeof(void*);
- address_pointed1 = *((void **)((char *)addr_block1 + pointer_align));
- address_pointed2 = *((void **)((char *)addr_block2 + pointer_align));
- if(((address_pointed1 > (void *)s_heap) && (address_pointed1 < mdp1->breakval)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < mdp2->breakval))){
- block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
- block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
- //fprintf(stderr, "Blocks pointed : %d - %d\n", block_pointed1, block_pointed2);
- if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
- if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
- while(mdp1->heapinfo[block_pointed1].busy_block.size == 0)
- block_pointed1--;
- while(mdp2->heapinfo[block_pointed2].busy_block.size == 0)
- block_pointed2--;
- if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
- addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
- addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
-
- fprintf(stderr, "Memcmp between blocks %d and %d (size = %zu)\n", block_pointed1, block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size);
- if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size) != 0){
- distance++;
- }else{
- fprintf(stderr, "False difference detected\n");
- }
- }else{
- distance++;
- }
- }else{ // Fragmented block
- address_pointed1 = (char*)mdp1 + ((char*)address_pointed1 - (char*)s_heap);
- address_pointed2 = (char*)mdp2 + ((char*)address_pointed2 - (char*)s_heap);
- addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
- addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
- frag_pointed1 = 0;
- while(address_pointed1 > (void*)((char*)addr_block_pointed1 + ((frag_pointed1 +1 ) * frag_size))){
- frag_pointed1++;
- }
- frag_pointed2 = 0;
- while(address_pointed2 > (void*)((char*)addr_block_pointed2 + ((frag_pointed2 +1) * frag_size))){
- frag_pointed2++;
- }
- if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[frag_pointed2]){
- fprintf(stderr, "Memcmp between fragments %d (block %d) and %d (block %d) (size = %d)\n", frag_pointed1, block_pointed1, frag_pointed2, block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]);
- if(memcmp((char*)addr_block_pointed1 + (frag_pointed1 * frag_size), (char*)addr_block_pointed2 + (frag_pointed2 * frag_size), mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]) != 0){
- distance++;
- }else{
- fprintf(stderr, "False difference detected\n");
- }
- }else{
- distance ++;
- }
-
-
- }
- }else{
- fprintf(stderr, "Pointers on blocks with different types \n");
- distance++;
+ if(mdp1->heapinfo[i].busy_block.size != mdp2->heapinfo[i].busy_block.size){
+ fprintf(stderr,"Different size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.size, mdp2->heapinfo[i].busy_block.size);
+ fflush(NULL);
+ errors++;
}
- }else{
- fprintf(stderr, "Pointed addresses (%p - %p) not in std_heap\n", address_pointed1, address_pointed2);
- distance++;
- }
-
- }
- }
-
-
- if(distance>0){
- fprintf(stderr,"\nDifferent data in large block %zu (size = %zu (in blocks), busy_size = %zu (in bytes))\n", i, mdp1->heapinfo[i].busy_block.size, mdp1->heapinfo[i].busy_block.busy_size);
- fflush(NULL);
- fprintf(stderr, "Hamming distance between blocks : %d\n", distance);
- mmalloc_backtrace_block_display(mdp1, i);
- mmalloc_backtrace_block_display(mdp2, i);
- fprintf(stderr, "\n");
- errors++;
- total_distance += distance;
- }
-
-
- i++;
-
- }else{
-
- if(mdp1->heapinfo[i].type > 0){ /* busy fragmented block */
-
- if(mdp1->heapinfo[i].type != mdp2->heapinfo[i].type){
- fprintf(stderr,"Different size of fragments in fragmented block %zu : %d - %d\n", i, mdp1->heapinfo[i].type, mdp2->heapinfo[i].type); fflush(NULL);
- errors++;
- }
-
- if(mdp1->heapinfo[i].busy_frag.nfree != mdp2->heapinfo[i].busy_frag.nfree){
- fprintf(stderr,"Different free fragments in fragmented block %zu : %zu - %zu\n", i, mdp1->heapinfo[i].busy_frag.nfree, mdp2->heapinfo[i].busy_frag.nfree); fflush(NULL);
- errors++;
- }
-
- if(mdp1->heapinfo[i].busy_frag.first != mdp2->heapinfo[i].busy_frag.first){
- fprintf(stderr,"Different busy_size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.busy_size, mdp2->heapinfo[i].busy_block.busy_size); fflush(NULL);
- errors++;
- }
-
- frag_size = pow(2, mdp1->heapinfo[i].type);
-
- for(j=0; j< (BLOCKSIZE/frag_size); j++){
-
- if(mdp1->heapinfo[i].busy_frag.frag_size[j] != mdp2->heapinfo[i].busy_frag.frag_size[j]){
- fprintf(stderr,"Different busy_size for fragment %zu in block %zu : %hu - %hu\n", j, i, mdp1->heapinfo[i].busy_frag.frag_size[j], mdp2->heapinfo[i].busy_frag.frag_size[j]); fflush(NULL);
- errors++;
- }
-
- if(mdp1->heapinfo[i].busy_frag.frag_size[j] > 0){
-
- addr_frag1 = (char *)addr_block1 + (j * frag_size);
- xbt_assert(addr_frag1 < breakval1, "Fragment address out of heap memory used");
- addr_frag2 = (char *)addr_block2 + (j * frag_size);
- xbt_assert(addr_frag1 < breakval1, "Fragment address out of heap memory used");
+ if(mdp1->heapinfo[i].busy_block.busy_size != mdp2->heapinfo[i].busy_block.busy_size){
+ fprintf(stderr,"Different busy_size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.busy_size, mdp2->heapinfo[i].busy_block.busy_size);
+ fflush(NULL);
+ errors++;
+ }
/* Hamming distance on different blocks */
distance = 0;
- //for(k=0;k<frag_size;k++){
- for(k=0;k<mdp1->heapinfo[i].busy_frag.frag_size[j];k++){
- if(memcmp(((char *)addr_frag1) + k, ((char *)addr_frag2) + k, 1) != 0){
- //fprintf(stderr, "Different byte (offset=%d) (%p - %p) in fragment %zu in block %zu\n", k, (char *)addr_frag1 + k, (char *)addr_frag2 + k, j, i); fflush(NULL);
- pointer_align = (k / sizeof(void*)) * sizeof(void*);
- address_pointed1 = *((void **)((char *)addr_frag1 + pointer_align));
- address_pointed2 = *((void **)((char *)addr_frag2 + pointer_align));
- if(((address_pointed1 > (void *)s_heap) && (address_pointed1 < mdp1->breakval)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < mdp2->breakval))){
- block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
- block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
- //fprintf(stderr, "Blocks pointed : %d - %d\n", block_pointed1, block_pointed2);
- if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
- if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
- while(mdp1->heapinfo[block_pointed1].busy_block.size == 0)
- block_pointed1--;
- while(mdp2->heapinfo[block_pointed2].busy_block.size == 0)
- block_pointed2--;
- if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
- addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
- addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
- fprintf(stderr, "Memcmp between blocks %d and %d (size = %zu)\n", block_pointed1, block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size);
- if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size) != 0){
- distance++;
- }else{
- fprintf(stderr, "False difference detected\n");
- }
- }else{
- distance++;
- }
- }else{ // Fragmented block
- address_pointed1 = (char*)mdp1 + ((char*)address_pointed1 - (char*)s_heap);
- address_pointed2 = (char*)mdp2 + ((char*)address_pointed2 - (char*)s_heap);
- addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
- addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
- frag_pointed1 = 0;
- while(address_pointed1 > (void*)((char*)addr_block_pointed1 + ((frag_pointed1 + 1) * frag_size))){
- frag_pointed1++;
- }
- frag_pointed2 = 0;
- while(address_pointed2 > (void*)((char*)addr_block_pointed2 + ((frag_pointed2 + 1) * frag_size))){
- frag_pointed2++;
- }
- if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[frag_pointed2]){
- fprintf(stderr, "Memcmp between fragments %d (block %d) and %d (block %d) (size = %d)\n", frag_pointed1, block_pointed1, frag_pointed2, block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]);
- if(memcmp((char*)addr_block_pointed1 + (frag_pointed1 * frag_size), (char*)addr_block_pointed2 + (frag_pointed2 * frag_size), mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]) != 0){
- distance++;
- }else{
- fprintf(stderr, "False difference detected\n");
- }
- }else{
- distance ++;
- }
- }
- }else{
- fprintf(stderr, "Pointers on blocks with different types \n");
- distance++;
- }
- }else{
- fprintf(stderr, "Pointed addresses (%p - %p) not in std_heap\n", address_pointed1, address_pointed2);
- distance++;
- }
- }
+ //for(k=0;k<mdp1->heapinfo[i].busy_block.size * BLOCKSIZE;k++){
+ for(k=0;k<mdp1->heapinfo[i].busy_block.busy_size;k++){
+ if((((char *)addr_block1) + k != 0) && (((char *)addr_block2) + k != 0)){
+ if(memcmp(((char *)addr_block1) + k, ((char *)addr_block2) + k, 1) != 0){
+ fprintf(stderr, "Different byte (offset=%d) (%p - %p) in block %zu\n", k, (char *)addr_block1 + k, (char *)addr_block2 + k, i); fflush(NULL);
+ pointer_align = (k / sizeof(void*)) * sizeof(void*);
+ address_pointed1 = *((void **)((char *)addr_block1 + pointer_align));
+ address_pointed2 = *((void **)((char *)addr_block2 + pointer_align));
+ if(((address_pointed1 > (void *)s_heap) && (address_pointed1 < mdp1->breakval)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < mdp2->breakval))){
+ block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
+ block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
+ //fprintf(stderr, "Blocks pointed : %d - %d\n", block_pointed1, block_pointed2);
+ if((block_pointed1 == 0) && (block_pointed2 == 0)){
+ block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
+ block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
+ if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
+ if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
+ if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
+ addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
+ addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
+ if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+ }else{
+ distance++;
+ }
+ }else{ // Fragmented block
+ addr_block_pointed1 = (char*)mdp1 + ((char *)address_pointed1 - (char *)s_heap);
+ addr_block_pointed2 = (char*)mdp2 + ((char *)address_pointed2 - (char *)s_heap);
+ if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[0]){
+ if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0]) != 0){
+ fprintf(stderr, "Pointed fragments are different \n");
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+ }else{
+ fprintf(stderr, "Different size of pointed fragments\n");
+ distance ++;
+ }
+ }
+ }else{
+ fprintf(stderr, "Pointers on blocks with different types \n");
+ distance++;
+ }
+ }else{
+ /* FIXME : peut pointer vers le début d'un fragment mais dans un bloc */
+ fprintf(stderr, "Pointed addresses (%p - %p) not valid\n", address_pointed1, address_pointed2);
+ distance++;
+ }
+ }else{
+ fprintf(stderr, "Pointed addresses (%p - %p) not in std_heap\n", address_pointed1, address_pointed2);
+ distance++;
+ }
+ }
+ }
}
-
- if(distance > 0){
- fprintf(stderr,"\nDifferent data in fragment %zu (size = %zu, size used = %hu) in block %zu \n", j, frag_size, mdp1->heapinfo[i].busy_frag.frag_size[j], i);
- fprintf(stderr, "Hamming distance between fragments : %d\n", distance);
- mmalloc_backtrace_fragment_display(mdp1, i, j);
- mmalloc_backtrace_fragment_display(mdp2, i, j);
- fprintf(stderr, "\n");
- errors++;
- total_distance += distance;
-
+
+
+ if(distance>0){
+ fprintf(stderr,"\nDifferent data in large block %zu (size = %zu (in blocks), busy_size = %zu (in bytes))\n", i, mdp1->heapinfo[i].busy_block.size, mdp1->heapinfo[i].busy_block.busy_size);
+ fflush(NULL);
+ fprintf(stderr, "Hamming distance between blocks : %d\n", distance);
+ mmalloc_backtrace_block_display(mdp1, i);
+ mmalloc_backtrace_block_display(mdp2, i);
+ fprintf(stderr, "\n");
+ errors++;
+ total_distance += distance;
}
- }
- }
+ i++;
- i++;
+ }else{
- }else{ /* free block */
+ if(mdp1->heapinfo[i].type > 0){ /* busy fragmented block */
+
+ if(mdp1->heapinfo[i].type != mdp2->heapinfo[i].type){
+ fprintf(stderr,"Different size of fragments in fragmented block %zu : %d - %d\n", i, mdp1->heapinfo[i].type, mdp2->heapinfo[i].type); fflush(NULL);
+ errors++;
+ }
+
+ if(mdp1->heapinfo[i].busy_frag.nfree != mdp2->heapinfo[i].busy_frag.nfree){
+ fprintf(stderr,"Different free fragments in fragmented block %zu : %zu - %zu\n", i, mdp1->heapinfo[i].busy_frag.nfree, mdp2->heapinfo[i].busy_frag.nfree); fflush(NULL);
+ errors++;
+ }
+
+ if(mdp1->heapinfo[i].busy_frag.first != mdp2->heapinfo[i].busy_frag.first){
+ fprintf(stderr,"Different busy_size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.busy_size, mdp2->heapinfo[i].busy_block.busy_size); fflush(NULL);
+ errors++;
+ }
+
+ frag_size = pow(2, mdp1->heapinfo[i].type);
+
+ for(j=0; j< (BLOCKSIZE/frag_size); j++){
+
+ if(mdp1->heapinfo[i].busy_frag.frag_size[j] != mdp2->heapinfo[i].busy_frag.frag_size[j]){
+ fprintf(stderr,"Different busy_size for fragment %zu in block %zu : %hu - %hu\n", j, i, mdp1->heapinfo[i].busy_frag.frag_size[j], mdp2->heapinfo[i].busy_frag.frag_size[j]); fflush(NULL);
+ errors++;
+ }
+
+ if(mdp1->heapinfo[i].busy_frag.frag_size[j] > 0){
+
+ addr_frag1 = (char *)addr_block1 + (j * frag_size);
+ xbt_assert(addr_frag1 < breakval1, "Fragment address out of heap memory used");
+
+ addr_frag2 = (char *)addr_block2 + (j * frag_size);
+ xbt_assert(addr_frag1 < breakval1, "Fragment address out of heap memory used");
+
+ /* Hamming distance on different blocks */
+ distance = 0;
+ //for(k=0;k<frag_size;k++){
+ for(k=0;k<mdp1->heapinfo[i].busy_frag.frag_size[j];k++){
+ if((((char *)addr_frag1) + k != 0) && (((char *)addr_frag2) + k != 0)){
+ if(memcmp(((char *)addr_frag1) + k, ((char *)addr_frag2) + k, 1) != 0){
+ fprintf(stderr, "Different byte (offset=%d) (%p - %p) in fragment %zu in block %zu\n", k, (char *)addr_frag1 + k, (char *)addr_frag2 + k, j, i); fflush(NULL);
+ pointer_align = (k / sizeof(void*)) * sizeof(void*);
+ address_pointed1 = *((void **)((char *)addr_frag1 + pointer_align));
+ address_pointed2 = *((void **)((char *)addr_frag2 + pointer_align));
+ if(((address_pointed1 > (void *)s_heap) && (address_pointed1 < mdp1->breakval)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < mdp2->breakval))){
+ block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
+ block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
+ if((block_pointed1 == 0) && (block_pointed2 == 0)){
+ block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
+ block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
+ if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
+ if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
+ if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
+ addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
+ addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
+ fprintf(stderr, "Memcmp between blocks %d and %d (size = %zu)\n", block_pointed1, block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size);
+ if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+ }else{
+ distance++;
+ }
+ }else{ // Fragmented block
+ addr_block_pointed1 = (char*)mdp1 + ((char *)address_pointed1 - (char *)s_heap);
+ addr_block_pointed2 = (char*)mdp2 + ((char *)address_pointed2 - (char *)s_heap);
+ if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[0]){
+ if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0]) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+ }else{
+ distance ++;
+ }
+ }
+ }else{
+ fprintf(stderr, "Pointers on blocks with different types \n");
+ distance++;
+ }
+ }else{
+ /* FIXME : peut pointer vers le début d'un fragment mais dans un bloc */
+ fprintf(stderr, "Pointed addresses (%p - %p) not valid \n", address_pointed1, address_pointed2);
+ distance++;
+ }
+ }else{
+ fprintf(stderr, "Pointed addresses (%p - %p) not in std_heap\n", address_pointed1, address_pointed2);
+ distance++;
+ }
+ }
+ }
+
+ }
+
+ if(distance > 0){
+ fprintf(stderr,"\nDifferent data in fragment %zu (size = %zu, size used = %hu) in block %zu \n", j, frag_size, mdp1->heapinfo[i].busy_frag.frag_size[j], i);
+ fprintf(stderr, "Hamming distance between fragments : %d\n", distance);
+ mmalloc_backtrace_fragment_display(mdp1, i, j);
+ mmalloc_backtrace_fragment_display(mdp2, i, j);
+ fprintf(stderr, "\n");
+ errors++;
+ total_distance += distance;
+
+ }
+
+ }
+ }
+
+ i++;
+
+ }else{ /* free block */
+
+ i++;
- i++;
+ }
- }
-
}
}
/* size_t n = 0; /\* Amount of bytes to read by getline *\/ */
/* fp = fopen("/proc/self/maps", "r"); */
-
+
/* if(fp == NULL) */
/* perror("fopen failed"); */
