}
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);
}
void* s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
-
+
void *heapbase1 = (char *)mdp1 + BLOCKSIZE;
void *heapbase2 = (char *)mdp2 + BLOCKSIZE;
- void * breakval1 = (char *)mdp1 + ((char *)mdp1->breakval - (char *)s_heap);
- void * breakval2 = (char *)mdp2 + ((char *)mdp2->breakval - (char *)s_heap);
-
size_t i, j;
void *addr_block1, *addr_block2, *addr_frag1, *addr_frag2;
size_t frag_size;
int pointer_align;
void *address_pointed1, *address_pointed2;
- int block_pointed1, block_pointed2;
- void *addr_block_pointed1, *addr_block_pointed2;
+ int block_pointed1, block_pointed2, frag_pointed1, frag_pointed2;
+ void *addr_block_pointed1, *addr_block_pointed2, *addr_frag_pointed1, *addr_frag_pointed2;
/* Check busy blocks*/
errors++;
}
- addr_block1 = (char*)heapbase1 + ((i-1)*BLOCKSIZE);
- xbt_assert(addr_block1 < breakval1, "Block address out of heap memory used");
-
- addr_block2 = (char*)heapbase2 + ((i-1)*BLOCKSIZE);
- xbt_assert(addr_block2 < breakval2, "Block address out of heap memory used");
+ /* Get address of block i in each heap */
+ addr_block1 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase1));
+ addr_block2 = ((void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase2));
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++;
- }
+ 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++;
- }
+ 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((((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(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);
+
+ /* Check if pointer difference */
+ pointer_align = (k >> sizeof(void*)) * sizeof(void*);
+ address_pointed1 = *((void **)((char *)addr_block1 + pointer_align));
+ address_pointed2 = *((void **)((char *)addr_block2 + pointer_align));
+
+ fprintf(stderr, "Addresses pointed : %p - %p\n", address_pointed1, address_pointed2);
+
+ 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((char *) address_pointed1 < (char*)((struct mdesc*)s_heap)->heapbase || block_pointed1 > mdp1->heapsize || block_pointed1 < 1 || (char *) address_pointed2 < (char*)((struct mdesc*)s_heap)->heapbase || block_pointed2 > mdp2->heapsize || block_pointed2 < 1) {
+ fprintf(stderr, "Unknown pointer(s) ! \n");
+ fflush(NULL);
+ distance++;
+ continue;
+ }
+
+ /*if(((char *) address_pointed1 > (char*)((struct mdesc*)s_heap)->heapbase) && (block_pointed1 < mdp1->heapsize) && (block_pointed1 >= 1)){
+ addr_block_pointed1 = ((void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1));
+ if(((char *) address_pointed2 > (char*)((struct mdesc*)s_heap)->heapbase) && (block_pointed2 < mdp2->heapsize) && (block_pointed2 >= 1)){
+ addr_block_pointed2 = ((void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2));
+ }else{
+ addr_block_pointed2 = addr_block2;
+ block_pointed2 = i;
+ }
+ }else{
+ addr_block_pointed1 = addr_block1;
+ block_pointed1 = i;
+ if(((char *) address_pointed2 > (char*)((struct mdesc*)s_heap)->heapbase) && (block_pointed2 < mdp2->heapsize) && (block_pointed2 >= 1)){
+ addr_block_pointed2 = ((void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2));
+ }else{
+ fprintf(stderr, "Unknown pointers ! \n");
+ fflush(NULL);
+ distance++;
+ continue;
+ }
+ }*/
+
+ addr_block_pointed1 = ((void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1));
+ addr_block_pointed2 = ((void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2));
+
+ 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){
+
+ 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
+
+
+ frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> mdp1->heapinfo[block_pointed1].type;
+ frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> mdp2->heapinfo[block_pointed2].type;
+
+ fprintf(stderr, "Fragments pointed : %d - %d\n", frag_pointed1, frag_pointed2);
+
+ if((frag_pointed1 < 0) || (frag_pointed1 > (BLOCKSIZE / pow( 2, mdp1->heapinfo[block_pointed1].type))) || (frag_pointed2 < 0) || (frag_pointed2 > (BLOCKSIZE / pow( 2, mdp2->heapinfo[block_pointed2].type)))){
+ fprintf(stderr, "Unknown pointer(s) ! \n");
+ fflush(NULL);
+ distance++;
+ continue;
+ }
+
+ fprintf(stderr, "Size used in fragments pointed : %d - %d\n", mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1], mdp2->heapinfo[block_pointed2].busy_frag.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]){
+
+ addr_frag_pointed1 = (char *)addr_block_pointed1 + (frag_pointed1 * (int)pow(2, mdp1->heapinfo[block_pointed1].type));
+ addr_frag_pointed2 = (char *)addr_block_pointed2 + (frag_pointed2 * (int)pow(2, mdp2->heapinfo[block_pointed2].type));
+
+ if(memcmp(addr_frag_pointed1, addr_frag_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+
+ }else{
+ distance ++;
+ }
+ }
+
+ }else{
+
+ if(((mdp1->heapinfo[block_pointed1].type == 0) && (mdp2->heapinfo[block_pointed2].type != 0)) || ((mdp1->heapinfo[block_pointed1].type != 0) && (mdp2->heapinfo[block_pointed2].type == 0))){
+ fprintf(stderr, "Pointers on blocks with different types \n");
+ distance++;
+ }else{
+
+ frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> mdp1->heapinfo[block_pointed1].type;
+ frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> mdp2->heapinfo[block_pointed2].type;
+
+ fprintf(stderr, "Fragments pointed : %d - %d\n", frag_pointed1, frag_pointed2);
+
+ if((frag_pointed1 < 0) || (frag_pointed1 > (BLOCKSIZE / pow( 2, mdp1->heapinfo[block_pointed1].type))) || (frag_pointed2 < 0) || (frag_pointed2 > (BLOCKSIZE / pow( 2, mdp2->heapinfo[block_pointed2].type)))){
+ fprintf(stderr, "Unknown pointer(s) ! \n");
+ fflush(NULL);
+ distance++;
+ continue;
+ }
+
+ fprintf(stderr, "Size used in fragments pointed : %d - %d\n", mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1], mdp2->heapinfo[block_pointed2].busy_frag.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]){
+
+ addr_frag_pointed1 = (char *)addr_block_pointed1 + (frag_pointed1 * (int)pow(2, mdp1->heapinfo[block_pointed1].type));
+ addr_frag_pointed2 = (char *)addr_block_pointed2 + (frag_pointed2 * (int)pow(2, mdp2->heapinfo[block_pointed2].type));
+
+ if(memcmp(addr_frag_pointed1, addr_frag_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+
+ }else{
+ 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;
+ 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");
-
- /* 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++;
+ 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);
+ addr_frag2 = (char *)addr_block2 + (j * frag_size);
+
+ /* Hamming distance on different blocks */
+ distance = 0;
+
+ 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));
+
+ fprintf(stderr, "Addresses pointed : %p - %p\n", address_pointed1, address_pointed2);
+
+ 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((char *) address_pointed1 < (char*)((struct mdesc*)s_heap)->heapbase || block_pointed1 > mdp1->heapsize || block_pointed1 < 1 || (char *) address_pointed2 < (char*)((struct mdesc*)s_heap)->heapbase || block_pointed2 > mdp2->heapsize || block_pointed2 < 1) {
+ fprintf(stderr, "Unknown pointer ! \n");
+ fflush(NULL);
+ distance++;
+ continue;
+ }
+
+ /*if(((char *) address_pointed1 > (char*)((struct mdesc*)s_heap)->heapbase) && (block_pointed1 < mdp1->heapsize) && (block_pointed1 >= 1)){
+ addr_block_pointed1 = ((void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1));
+ pointer1 = 1;
+ if(((char *) address_pointed2 > (char*)((struct mdesc*)s_heap)->heapbase) && (block_pointed2 < mdp2->heapsize) && (block_pointed2 >= 1)){
+ addr_block_pointed2 = ((void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2));
+ pointer2 = 1;
+ }else{
+ pointer2 = 0;
+ addr_block_pointed2 = addr_block2;
+ block_pointed2 = i;
+ }
+ }else{
+ addr_block_pointed1 = addr_block1;
+ block_pointed1 = i;
+ pointer1 = 0;
+ if(((char *) address_pointed2 > (char*)((struct mdesc*)s_heap)->heapbase) && (block_pointed2 < mdp2->heapsize) && (block_pointed2 >= 1)){
+ addr_block_pointed2 = ((void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2));
+ pointer2 = 1;
+ }else{
+ fprintf(stderr, "Unknown pointers ! \n");
+ fflush(NULL);
+ distance++;
+ continue;
+ }
+ }*/
+
+ addr_block_pointed1 = ((void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1));
+ addr_block_pointed2 = ((void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2));
+
+ 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){
+
+ 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
+
+
+ frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> mdp1->heapinfo[block_pointed1].type;
+ frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> mdp2->heapinfo[block_pointed2].type;
+
+ fprintf(stderr, "Fragments pointed : %d - %d\n", frag_pointed1, frag_pointed2);
+
+ if((frag_pointed1 < 0) || (frag_pointed1 > (BLOCKSIZE / pow( 2, mdp1->heapinfo[block_pointed1].type))) || (frag_pointed2 < 0) || (frag_pointed2 > (BLOCKSIZE / pow( 2, mdp2->heapinfo[block_pointed2].type)))){
+ fprintf(stderr, "Unknown pointer ! \n");
+ fflush(NULL);
+ distance++;
+ continue;
+ }
+
+ fprintf(stderr, "Size used in fragments pointed : %d - %d\n", mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1], mdp2->heapinfo[block_pointed2].busy_frag.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]){
+
+ addr_frag_pointed1 = (char *)addr_block_pointed1 + (frag_pointed1 * (int)pow(2, mdp1->heapinfo[block_pointed1].type));
+ addr_frag_pointed2 = (char *)addr_block_pointed2 + (frag_pointed2 * (int)pow(2, mdp2->heapinfo[block_pointed2].type));
+
+ if(memcmp(addr_frag_pointed1, addr_frag_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+
+ }else{
+ distance ++;
+ }
+ }
+
+ }else{
+
+ if(((mdp1->heapinfo[block_pointed1].type == 0) && (mdp2->heapinfo[block_pointed2].type != 0)) || ((mdp1->heapinfo[block_pointed1].type != 0) && (mdp2->heapinfo[block_pointed2].type == 0))){
+ fprintf(stderr, "Pointers on blocks with different types \n");
+ distance++;
+ }else{
+
+ frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> mdp1->heapinfo[block_pointed1].type;
+ frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> mdp2->heapinfo[block_pointed2].type;
+
+ fprintf(stderr, "Fragments pointed : %d - %d\n", frag_pointed1, frag_pointed2);
+
+ if((frag_pointed1 < 0) || (frag_pointed1 > (BLOCKSIZE / pow( 2, mdp1->heapinfo[block_pointed1].type))) || (frag_pointed2 < 0) || (frag_pointed2 > (BLOCKSIZE / pow( 2, mdp2->heapinfo[block_pointed2].type)))){
+ fprintf(stderr, "Unknown pointers ! \n");
+ fflush(NULL);
+ distance++;
+ continue;
+ }
+
+ fprintf(stderr, "Size used in fragments pointed : %d - %d\n", mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1], mdp2->heapinfo[block_pointed2].busy_frag.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]){
+
+ addr_frag_pointed1 = (char *)addr_block_pointed1 + (frag_pointed1 * (int)pow(2, mdp1->heapinfo[block_pointed1].type));
+ addr_frag_pointed2 = (char *)addr_block_pointed2 + (frag_pointed2 * (int)pow(2, mdp2->heapinfo[block_pointed2].type));
+
+ if(memcmp(addr_frag_pointed1, addr_frag_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+
+ }else{
+ 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"); */
/* } */
+
void mmalloc_display_info_heap(xbt_mheap_t h){
}
