#include "xbt/ex_interface.h" /* internals of backtrace setup */
#include "xbt/str.h"
+#include "mc/mc.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mm_diff, xbt,
"Logging specific to mm_diff in mmalloc");
}
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);
int errors = 0;
- /*if(mdp1->headersize != mdp2->headersize){
- fprintf(stderr, "Different size of the file header for the mapped files\n");
- return 1;
- }
-
- if(mdp1->refcount != mdp2->refcount){
- fprintf(stderr, "Different number of processes that attached the heap\n");
- return 1;
- }
-
- if(strcmp(mdp1->magic, mdp2->magic) != 0){
- fprintf(stderr,"Different magic number\n");
- return 1;
- }
-
- if(mdp1->flags != mdp2->flags){
- fprintf(stderr,"Different flags\n");
- return 1;
- }
-
- if(mdp1->heapsize != mdp2->heapsize){
- fprintf(stderr,"Different number of info entries\n");
- return 1;
- }
-
- if(mdp1->heapbase != mdp2->heapbase){
- fprintf(stderr,"Different first block of the heap\n");
- return 1;
- }
-
- if(mdp1->heapindex != mdp2->heapindex){
- fprintf(stderr,"Different index for the heap table : %zu - %zu\n", mdp1->heapindex, mdp2->heapindex);
- return 1;
- }
-
- if(mdp1->base != mdp2->base){
- fprintf(stderr,"Different base address of the memory region\n");
- return 1;
- }
-
- if(mdp1->breakval != mdp2->breakval){
- fprintf(stderr,"Different current location in the memory region\n");
- return 1;
- }
-
- if(mdp1->top != mdp2->top){
- fprintf(stderr,"Different end of the current location in the memory region\n");
- return 1;
- }
-
if(mdp1->heaplimit != mdp2->heaplimit){
fprintf(stderr,"Different limit of valid info table indices\n");
return 1;
}
- if(mdp1->fd != mdp2->fd){
- fprintf(stderr,"Different file descriptor for the file to which this malloc heap is mapped\n");
- return 1;
- }
+ void* s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
- if(mdp1->version != mdp2->version){
- fprintf(stderr,"Different version of the mmalloc package\n");
- return 1;
- }*/
-
- //void* heapbase1 = (char *)mdp1 + ((char *)mdp1->heapbase - (char *)s_heap);
- //void* heapbase2 = (char *)mdp2 + ((char *)mdp2->heapbase - (char *)s_heap);
-
- xbt_mheap_t s_heap = mmalloc_get_current_heap();
-
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_pointed; FIXME: unused */
+ size_t frag_size;
i = 1;
int distance = 0;
int total_distance = 0;
- void *end_heap = get_end_addr_heap(s_heap);
-
int pointer_align;
void *address_pointed1, *address_pointed2;
- int block_pointed1, block_pointed2;
+ int block_pointed1, block_pointed2, frag_pointed1, frag_pointed2;
void *addr_block_pointed1, *addr_block_pointed2;
- int frag_pointed1, frag_pointed2;
-
+ int pointer1 = 0, pointer2 = 0;
/* Check busy blocks*/
errors++;
}
- //fprintf(stderr, "i = %zu, type = %d", i, mdp1->heapinfo[i].type);
-
- //addr_block1 = (void*) (((ADDR2UINT(i)) - 1) * BLOCKSIZE + (char*)heapbase1);
- //addr_block2 = (void*) (((ADDR2UINT(1)) - 1) * BLOCKSIZE + (char*)heapbase2);
-
- addr_block1 = (char*)heapbase1 + ((i-1)*BLOCKSIZE);
- addr_block2 = (char*)heapbase2 + ((i-1)*BLOCKSIZE);
+ /* 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(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 < end_heap)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < end_heap))){
- 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 = (void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1);
- //addr_block_pointed2 = (void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2);
- 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 = (void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1);
- //addr_block_pointed2 = (void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2);
- 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{
- distance++;
- }
- }else{
- 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 ! \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
+
+ if(pointer1)
+ frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> mdp1->heapinfo[block_pointed1].type;
+ else
+ frag_pointed1 = -1;
+ if(pointer2)
+ frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> mdp2->heapinfo[block_pointed2].type;
+ else
+ frag_pointed2 = -1;
+
+ 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]){
+
+ if(memcmp(addr_block_pointed1, addr_block_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{
+ if(pointer1)
+ frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> mdp1->heapinfo[block_pointed1].type;
+ else
+ frag_pointed1 = -1;
+ if(pointer2)
+ frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> mdp2->heapinfo[block_pointed2].type;
+ else
+ frag_pointed2 = -1;
+
+ 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]){
+
+ if(memcmp(addr_block_pointed1, addr_block_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);
- 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++;
- }
-
- //fprintf(stderr,"\n");
-
- 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<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 < end_heap)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < end_heap))){
- 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 = (void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1);
- //addr_block_pointed2 = (void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2);
- 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 = (void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1);
- //addr_block_pointed2 = (void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2);
- 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{
- distance++;
- }
- }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);
- 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
+
+ if(pointer1)
+ frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> mdp1->heapinfo[block_pointed1].type;
+ else
+ frag_pointed1 = j;
+ if(pointer2)
+ frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> mdp2->heapinfo[block_pointed2].type;
+ else
+ frag_pointed2 = j;
+
+ 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]){
+
+ if(memcmp(addr_block_pointed1, addr_block_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{
+
+ if(pointer1)
+ frag_pointed1 = ((uintptr_t) (ADDR2UINT (address_pointed1) % (BLOCKSIZE))) >> mdp1->heapinfo[block_pointed1].type;
+ else
+ frag_pointed1 = j;
+ if(pointer2)
+ frag_pointed2 = ((uintptr_t) (ADDR2UINT (address_pointed2) % (BLOCKSIZE))) >> mdp2->heapinfo[block_pointed2].type;
+ else
+ frag_pointed2 = j;
+
+ 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]){
+
+ if(memcmp(addr_block_pointed1, addr_block_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++;
-
- //fprintf(stderr,"\n");
+ i++;
}
-
+
}
}
- //free(pointed_address1);
- //free(pointed_address2);
fprintf(stderr, "Hamming distance between heap regions : %d\n", total_distance);
}
-void *get_end_addr_heap(void *heap){
+/* void *get_end_addr_heap(void *heap){ */
- FILE *fp; /* File pointer to process's proc maps file */
- char *line = NULL; /* Temporal storage for each line that is readed */
- ssize_t read; /* Number of bytes readed */
- size_t n = 0; /* Amount of bytes to read by getline */
+/* FILE *fp; /\* File pointer to process's proc maps file *\/ */
+/* char *line = NULL; /\* Temporal storage for each line that is readed *\/ */
+/* ssize_t read; /\* Number of bytes readed *\/ */
+/* size_t n = 0; /\* Amount of bytes to read by getline *\/ */
- fp = fopen("/proc/self/maps", "r");
-
- if(fp == NULL)
- perror("fopen failed");
+/* fp = fopen("/proc/self/maps", "r"); */
+/* if(fp == NULL) */
+/* perror("fopen failed"); */
- xbt_dynar_t lfields = NULL;
- xbt_dynar_t start_end = NULL;
- void *start_addr;
- void *end_addr;
- while ((read = getline(&line, &n, fp)) != -1) {
+/* xbt_dynar_t lfields = NULL; */
+/* xbt_dynar_t start_end = NULL; */
+/* void *start_addr; */
+/* void *end_addr; */
- xbt_str_trim(line, NULL);
- xbt_str_strip_spaces(line);
- lfields = xbt_str_split(line,NULL);
+/* while ((read = getline(&line, &n, fp)) != -1) { */
- start_end = xbt_str_split(xbt_dynar_get_as(lfields, 0, char*), "-");
- start_addr = (void *) strtoul(xbt_dynar_get_as(start_end, 0, char*), NULL, 16);
- end_addr = (void *) strtoul(xbt_dynar_get_as(start_end, 1, char*), NULL, 16);
+/* xbt_str_trim(line, NULL); */
+/* xbt_str_strip_spaces(line); */
+/* lfields = xbt_str_split(line,NULL); */
- if(start_addr == heap){
- free(line);
- fclose(fp);
- xbt_dynar_reset(lfields);
- xbt_free(lfields);
- xbt_dynar_reset(start_end);
- xbt_free(start_end);
- return end_addr;
- }
+/* start_end = xbt_str_split(xbt_dynar_get_as(lfields, 0, char*), "-"); */
+/* start_addr = (void *) strtoul(xbt_dynar_get_as(start_end, 0, char*), NULL, 16); */
+/* end_addr = (void *) strtoul(xbt_dynar_get_as(start_end, 1, char*), NULL, 16); */
- }
+/* if(start_addr == heap){ */
+/* free(line); */
+/* fclose(fp); */
+/* xbt_dynar_reset(lfields); */
+/* xbt_free(lfields); */
+/* xbt_dynar_reset(start_end); */
+/* xbt_free(start_end); */
+/* return end_addr; */
+/* } */
- xbt_dynar_reset(lfields);
- xbt_free(lfields);
- xbt_dynar_reset(start_end);
- xbt_free(start_end);
- free(line);
- fclose(fp);
- return NULL;
+/* } */
+/* xbt_dynar_reset(lfields); */
+/* xbt_free(lfields); */
+/* xbt_dynar_reset(start_end); */
+/* xbt_free(start_end); */
+/* free(line); */
+/* fclose(fp); */
+/* return NULL; */
-}
+
+/* } */
void mmalloc_display_info_heap(xbt_mheap_t h){
