XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_mm_legacy, xbt,
"Logging specific to mm_legacy in mmalloc");
-static void *__mmalloc_current_heap = NULL; /* The heap we are currently using. */
+/* The mmalloc() package can use a single implicit malloc descriptor
+ for mmalloc/mrealloc/mfree operations which do not supply an explicit
+ descriptor. This allows mmalloc() to provide
+ backwards compatibility with the non-mmap'd version. */
+xbt_mheap_t __mmalloc_default_mdp = NULL;
+
+
+static xbt_mheap_t __mmalloc_current_heap = NULL; /* The heap we are currently using. */
#include "xbt_modinter.h"
-void *mmalloc_get_current_heap(void)
+xbt_mheap_t mmalloc_get_current_heap(void)
{
return __mmalloc_current_heap;
}
-void mmalloc_set_current_heap(void *new_heap)
+void mmalloc_set_current_heap(xbt_mheap_t new_heap)
{
__mmalloc_current_heap = new_heap;
}
#ifdef MMALLOC_WANT_OVERIDE_LEGACY
void *malloc(size_t n)
{
- void *mdp = __mmalloc_current_heap;
-#ifdef HAVE_MMAP
- if (!mdp)
- mmalloc_preinit();
-#endif
+ xbt_mheap_t mdp = __mmalloc_current_heap ?: (xbt_mheap_t) mmalloc_preinit();
+
LOCK(mdp);
void *ret = mmalloc(mdp, n);
UNLOCK(mdp);
void *calloc(size_t nmemb, size_t size)
{
size_t total_size = nmemb * size;
- void *mdp = __mmalloc_current_heap;
-#ifdef HAVE_MMAP
- if (!mdp)
- mmalloc_preinit();
-#endif
+ xbt_mheap_t mdp = __mmalloc_current_heap ?: (xbt_mheap_t) mmalloc_preinit();
+
LOCK(mdp);
void *ret = mmalloc(mdp, total_size);
UNLOCK(mdp);
void *realloc(void *p, size_t s)
{
void *ret = NULL;
- void *mdp = __mmalloc_current_heap;
-#ifdef HAVE_MMAP
- if (!mdp)
- mmalloc_preinit();
-#endif
+ xbt_mheap_t mdp = __mmalloc_current_heap ?: (xbt_mheap_t) mmalloc_preinit();
+
LOCK(mdp);
if (s) {
if (p)
void free(void *p)
{
- void *mdp = __mmalloc_current_heap;
-#ifdef HAVE_GTNETS
- if(!mdp) return;
-#endif
+ xbt_mheap_t mdp = __mmalloc_current_heap ?: (xbt_mheap_t) mmalloc_preinit();
+
LOCK(mdp);
mfree(mdp, p);
UNLOCK(mdp);
* valgrind. */
#define HEAP_OFFSET (128UL<<20)
-void *mmalloc_get_default_md(void)
+xbt_mheap_t mmalloc_get_default_md(void)
{
xbt_assert(__mmalloc_default_mdp);
return __mmalloc_default_mdp;
static void mmalloc_fork_prepare(void)
{
- struct mdesc* mdp = NULL;
+ xbt_mheap_t mdp = NULL;
if ((mdp =__mmalloc_default_mdp)){
while(mdp){
LOCK(mdp);
static void mmalloc_fork_parent(void)
{
- struct mdesc* mdp = NULL;
+ xbt_mheap_t mdp = NULL;
if ((mdp =__mmalloc_default_mdp)){
while(mdp){
if(mdp->fd < 0)
}
/* Initialize the default malloc descriptor. */
-void mmalloc_preinit(void)
+void *mmalloc_preinit(void)
{
int res;
- if (!__mmalloc_default_mdp) {
+ if (__mmalloc_default_mdp == NULL) {
unsigned long mask = ~((unsigned long)getpagesize() - 1);
void *addr = (void*)(((unsigned long)sbrk(0) + HEAP_OFFSET) & mask);
__mmalloc_default_mdp = mmalloc_attach(-1, addr);
THROWF(system_error,0,"xbt_os_thread_atfork() failed: return value %d",res);
}
xbt_assert(__mmalloc_default_mdp != NULL);
+
+ return __mmalloc_default_mdp;
}
void mmalloc_postexit(void)
{
/* Do not detach the default mdp or ldl won't be able to free the memory it allocated since we're in memory */
// mmalloc_detach(__mmalloc_default_mdp);
- mmalloc_pre_detach(__mmalloc_default_mdp);
+ mmalloc_detach_no_free(__mmalloc_default_mdp);
}
-int mmalloc_compare_heap(void *h1, void *h2){
+int mmalloc_compare_heap(xbt_mheap_t mdp1, xbt_mheap_t mdp2, void *std_heap_addr){
- if(h1 == NULL && h2 == NULL){
+ if(mdp1 == NULL && mdp2 == NULL){
XBT_DEBUG("Malloc descriptors null");
return 0;
}
/* Heapstats */
- struct mstats ms1 = mmstats(h1);
- struct mstats ms2 = mmstats(h2);
+ int errors = mmalloc_compare_mdesc(mdp1, mdp2, std_heap_addr);
- if(ms1.chunks_used != ms2.chunks_used){
- XBT_DEBUG("Different chunks allocated by the user : %Zu - %Zu", ms1.chunks_used, ms2.chunks_used);
- return 1;
- }
-
- if(ms1.bytes_used != ms2.bytes_used){
- XBT_DEBUG("Different byte total of user-allocated chunks : %Zu - %Zu", ms1.bytes_used, ms2.bytes_used);
- return 1;
- }
-
- if(ms1.bytes_free != ms2.bytes_free){
- XBT_DEBUG("Different byte total of chunks in the free list : %Zu - %Zu", ms1.bytes_free, ms2.bytes_free);
- return 1;
- }
-
- if(ms1.chunks_free != ms2.chunks_free){
- XBT_DEBUG("Different chunks in the free list : %Zu - %Zu", ms1.chunks_free, ms2.chunks_free);
- return 1;
- }
-
- struct mdesc *mdp1, *mdp2;
- mdp1 = MD_TO_MDP(h1);
- mdp2 = MD_TO_MDP(h2);
-
- return mmalloc_compare_mdesc(mdp1, mdp2);
+ return (errors > 0);
}
-int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2){
+int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2, void *std_heap_addr){
+
+ int errors = 0;
if(mdp1->headersize != mdp2->headersize){
- XBT_DEBUG("Different size of the file header for the mapped files");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different size of the file header for the mapped files");
+ errors++;
+ }else{
+ return 1;
+ }
}
if(mdp1->refcount != mdp2->refcount){
- XBT_DEBUG("Different number of processes that attached the heap");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different number of processes that attached the heap");
+ errors++;
+ }else{
+ return 1;
+ }
}
if(strcmp(mdp1->magic, mdp2->magic) != 0){
- XBT_DEBUG("Different magic number");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different magic number");
+ errors++;
+ }else{
+ return 1;
+ }
}
if(mdp1->flags != mdp2->flags){
- XBT_DEBUG("Different flags");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different flags");
+ errors++;
+ }else{
+ return 1;
+ }
}
if(mdp1->heapsize != mdp2->heapsize){
- XBT_DEBUG("Different number of info entries");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different number of info entries");
+ errors++;
+ }else{
+ return 1;
+ }
}
- //XBT_DEBUG("Heap size : %Zu", mdp1->heapsize);
+ //XBT_DEBUG("Heap size : %zu", mdp1->heapsize);
if(mdp1->heapbase != mdp2->heapbase){
- XBT_DEBUG("Different first block of the heap");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different first block of the heap");
+ errors++;
+ }else{
+ return 1;
+ }
}
if(mdp1->heapindex != mdp2->heapindex){
- XBT_DEBUG("Different index for the heap table : %Zu - %Zu", mdp1->heapindex, mdp2->heapindex);
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different index for the heap table : %zu - %zu", mdp1->heapindex, mdp2->heapindex);
+ errors++;
+ }else{
+ return 1;
+ }
}
- //XBT_DEBUG("Heap index : %Zu", mdp1->heapindex);
+ //XBT_DEBUG("Heap index : %zu", mdp1->heapindex);
if(mdp1->base != mdp2->base){
- XBT_DEBUG("Different base address of the memory region");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different base address of the memory region");
+ errors++;
+ }else{
+ return 1;
+ }
}
if(mdp1->breakval != mdp2->breakval){
- XBT_DEBUG("Different current location in the memory region");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different current location in the memory region");
+ errors++;
+ }else{
+ return 1;
+ }
}
if(mdp1->top != mdp2->top){
- XBT_DEBUG("Different end of the current location in the memory region");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different end of the current location in the memory region");
+ errors++;
+ }else{
+ return 1;
+ }
}
if(mdp1->heaplimit != mdp2->heaplimit){
- XBT_DEBUG("Different limit of valid info table indices");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different limit of valid info table indices");
+ errors++;
+ }else{
+ return 1;
+ }
}
- //XBT_DEBUG("Heap limit : %Zu", mdp1->heaplimit);
-
-
if(mdp1->fd != mdp2->fd){
- XBT_DEBUG("Different file descriptor for the file to which this malloc heap is mapped");
- return 1;
- }
-
- if(mdp1->saved_errno != mdp2->saved_errno){
- XBT_DEBUG("Different errno");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different file descriptor for the file to which this malloc heap is mapped");
+ errors++;
+ }else{
+ return 1;
+ }
}
- if(mdp1->version != mdp2->version){
- XBT_DEBUG("Different version of the mmalloc package");
- return 1;
+ if(mdp1->version != mdp2->version){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different version of the mmalloc package");
+ errors++;
+ }else{
+ return 1;
+ }
}
}
if(block_free1 != block_free2){
- XBT_DEBUG("Different first free block");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different first free block");
+ errors++;
+ }else{
+ return 1;
+ }
}
first_block_free = block_free1;
if(mdp1->heapinfo[first_block_free].free.size != mdp2->heapinfo[first_block_free].free.size){
- XBT_DEBUG("Different size (in blocks) of the first free cluster");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different size (in blocks) of the first free cluster");
+ errors++;
+ }else{
+ return 1;
+ }
}
/* Check busy blocks (circular checking)*/
i = first_block_free + mdp1->heapinfo[first_block_free].free.size;
if(mdp1->heapinfo[first_block_free].free.next != mdp2->heapinfo[first_block_free].free.next){
- XBT_DEBUG("Different next block free");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different next block free");
+ errors++;
+ }else{
+ return 1;
+ }
}
block_free = first_block_free;
next_block_free = mdp1->heapinfo[first_block_free].free.next;
- //XBT_DEBUG("First block free : %Zu (size=%Zu), Next block free : %Zu", first_block_free, mdp1->heapinfo[block_free1].free.size, next_block_free);
-
if(next_block_free == 0)
next_block_free = mdp1->heaplimit;
-
while(i != first_block_free){
while(i<next_block_free){
if(mdp1->heapinfo[i].busy.type != mdp2->heapinfo[i].busy.type){
- XBT_DEBUG("Different type of busy block");
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different type of busy block");
+ errors++;
+ }else{
+ return 1;
+ }
}else{
addr_block1 = (char *)mdp1 + sizeof(struct mdesc) + ((i-1) * BLOCKSIZE);
switch(mdp1->heapinfo[i].busy.type){
case 0 :
- if(mdp1->heapinfo[i].busy.info.size != mdp2->heapinfo[i].busy.info.size){
- XBT_DEBUG("Different size of a large cluster");
- return 1;
- }else{
- if(memcmp(addr_block1, addr_block2, (mdp1->heapinfo[i].busy.info.size * BLOCKSIZE)) != 0){
- XBT_DEBUG("Different data in block %Zu", i);
+ if(mdp1->heapinfo[i].busy.info.block.size != mdp2->heapinfo[i].busy.info.block.size){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different size of a large cluster");
+ errors++;
+ }else{
return 1;
+ }
+ }else{
+ if(memcmp(addr_block1, addr_block2, (mdp1->heapinfo[i].busy.info.block.size * BLOCKSIZE)) != 0){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different data in block %zu (size = %zu) (addr_block1 = %p (current = %p) - addr_block2 = %p)", i, mdp1->heapinfo[i].busy.info.block.size, addr_block1, (char *)std_heap_addr + sizeof(struct mdesc) + ((i-1) * BLOCKSIZE), addr_block2);
+ errors++;
+ }else{
+ return 1;
+ }
}
}
- i = i+mdp1->heapinfo[i].busy.info.size;
+ i = i+mdp1->heapinfo[i].busy.info.block.size;
+
break;
default :
if(mdp1->heapinfo[i].busy.info.frag.nfree != mdp2->heapinfo[i].busy.info.frag.nfree){
- XBT_DEBUG("Different free fragments in the fragmented block %Zu", i);
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different free fragments in the fragmented block %zu", i);
+ errors++;
+ }else{
+ return 1;
+ }
}else{
if(mdp1->heapinfo[i].busy.info.frag.first != mdp2->heapinfo[i].busy.info.frag.first){
- XBT_DEBUG("Different first free fragments in the block %Zu", i);
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different first free fragments in the block %zu", i);
+ errors++;
+ }else{
+ return 1;
+ }
}else{
frag_size = pow(2,mdp1->heapinfo[i].busy.type);
for(j=0 ; j< (BLOCKSIZE/frag_size); j++){
if(memcmp((char *)addr_block1 + (j * frag_size), (char *)addr_block2 + (j * frag_size), frag_size) != 0){
- XBT_DEBUG("Different data in fragment %d of block %Zu", j + 1, i);
- return 1;
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different data in fragment %zu (addr_frag1 = %p - addr_frag2 = %p) of block %zu", j + 1, (char *)addr_block1 + (j * frag_size), (char *)addr_block2 + (j * frag_size), i);
+ errors++;
+ }else{
+ return 1;
+ }
}
}
}
}
+
i++;
+
break;
}
}
}
- if(mdp1->heapinfo[block_free].free.next != mdp2->heapinfo[block_free].free.next){
- XBT_DEBUG("Different next block free");
- return 1;
- }
-
- block_free = mdp1->heapinfo[block_free].free.next;
- next_block_free = mdp1->heapinfo[block_free].free.next;
- if(i != first_block_free){
- if(block_free != 0){
- if(mdp1->heapinfo[block_free].free.size != mdp2->heapinfo[block_free].free.size){
- XBT_DEBUG("Different size of block free");
+ if( i != first_block_free){
+
+ if(mdp1->heapinfo[block_free].free.next != mdp2->heapinfo[block_free].free.next){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different next block free");
+ errors++;
+ }else{
return 1;
}
- i = block_free + mdp1->heapinfo[block_free].free.size;
- }else{
- i = 1;
}
+
+ block_free = mdp1->heapinfo[block_free].free.next;
+ next_block_free = mdp1->heapinfo[block_free].free.next;
+
+ i = block_free + mdp1->heapinfo[block_free].free.size;
+
+ if((next_block_free == 0) && (i != mdp1->heaplimit)){
+
+ while(i < mdp1->heaplimit){
+
+ if(mdp1->heapinfo[i].busy.type != mdp2->heapinfo[i].busy.type){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different type of busy block");
+ errors++;
+ }else{
+ return 1;
+ }
+ }else{
+
+ addr_block1 = (char *)mdp1 + sizeof(struct mdesc) + ((i-1) * BLOCKSIZE);
+ addr_block2 = (char *)mdp2 + sizeof(struct mdesc) + ((i-1) * BLOCKSIZE);
+
+ switch(mdp1->heapinfo[i].busy.type){
+ case 0 :
+ if(mdp1->heapinfo[i].busy.info.block.size != mdp2->heapinfo[i].busy.info.block.size){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different size of a large cluster");
+ errors++;
+ }else{
+ return 1;
+ }
+ }else{
+ if(memcmp(addr_block1, addr_block2, (mdp1->heapinfo[i].busy.info.block.size * BLOCKSIZE)) != 0){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different data in block %zu (addr_block1 = %p (current = %p) - addr_block2 = %p)", i, addr_block1, (char *)std_heap_addr + sizeof(struct mdesc) + ((i-1) * BLOCKSIZE), addr_block2);
+ errors++;
+ }else{
+ return 1;
+ }
+ }
+ }
+
+ i = i+mdp1->heapinfo[i].busy.info.block.size;
+
+ break;
+ default :
+ if(mdp1->heapinfo[i].busy.info.frag.nfree != mdp2->heapinfo[i].busy.info.frag.nfree){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different free fragments in the fragmented block %zu", i);
+ errors++;
+ }else{
+ return 1;
+ }
+ }else{
+ if(mdp1->heapinfo[i].busy.info.frag.first != mdp2->heapinfo[i].busy.info.frag.first){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different first free fragments in the block %zu", i);
+ errors++;
+ }else{
+ return 1;
+ }
+ }else{
+ frag_size = pow(2,mdp1->heapinfo[i].busy.type);
+ for(j=0 ; j< (BLOCKSIZE/frag_size); j++){
+ if(memcmp((char *)addr_block1 + (j * frag_size), (char *)addr_block2 + (j * frag_size), frag_size) != 0){
+ if(XBT_LOG_ISENABLED(xbt_mm_legacy, xbt_log_priority_debug)){
+ XBT_DEBUG("Different data in fragment %zu (addr_frag1 = %p - addr_frag2 = %p) of block %zu", j + 1, (char *)addr_block1 + (j * frag_size), (char *)addr_block2 + (j * frag_size), i);
+ errors++;
+ }else{
+ return 1;
+ }
+ }
+ }
+ }
+ }
+
+ i++;
+
+ break;
+ }
+ }
+ }
+
+ }
+
}
-
}
- return 0;
-
-
+ return (errors>0);
}
-
+void mmalloc_display_info_heap(xbt_mheap_t h){
+
+}
+
+/* Useless prototype to make gcc happy */
+void *valloc(size_t size);
+
+void *valloc(size_t size)
+{ //FIXME: won't work
+ return mvalloc(NULL, size);
+}
+