static BloatEntry*
GetBloatEntry(const char* aTypeName, uint32_t aInstanceSize)
{
if (!gBloatView) {
RecreateBloatView();
}
BloatEntry* entry = NULL;
if (gBloatView) {
entry = (BloatEntry*)PL_HashTableLookup(gBloatView, aTypeName);
if (entry == NULL && aInstanceSize > 0) {
entry = new BloatEntry(aTypeName, aInstanceSize);
PLHashEntry* e = PL_HashTableAdd(gBloatView, aTypeName, entry);
if (e == NULL) {
delete entry;
entry = NULL;
}
} else {
NS_ASSERTION(aInstanceSize == 0 ||
entry->GetClassSize() == aInstanceSize,
"bad size recorded");
}
}
return entry;
}
static BloatEntry*
GetBloatEntry(const char* aTypeName, uint32_t aInstanceSize)
{
if (!gBloatView) {
RecreateBloatView();
}
BloatEntry* entry = nullptr;
if (gBloatView) {
entry = (BloatEntry*)PL_HashTableLookup(gBloatView, aTypeName);
if (!entry && aInstanceSize > 0) {
entry = new BloatEntry(aTypeName, aInstanceSize);
PLHashEntry* e = PL_HashTableAdd(gBloatView, aTypeName, entry);
if (!e) {
delete entry;
entry = nullptr;
}
} else {
#ifdef DEBUG
static const char kMismatchedSizesMessage[] =
"Mismatched sizes were recorded in the memory leak logging table. "
"The usual cause of this is having a templated class that uses "
"MOZ_COUNT_{C,D}TOR in the constructor or destructor, respectively. "
"As a workaround, the MOZ_COUNT_{C,D}TOR calls can be moved to a "
"non-templated base class.";
NS_ASSERTION(aInstanceSize == 0 ||
entry->GetClassSize() == aInstanceSize,
kMismatchedSizesMessage);
#endif
}
}
return entry;
}
static void InitTraceLog(void)
{
if (gInitialized) return;
gInitialized = true;
bool defined;
defined = InitLog("XPCOM_MEM_BLOAT_LOG", "bloat/leaks", &gBloatLog);
if (!defined)
gLogLeaksOnly = InitLog("XPCOM_MEM_LEAK_LOG", "leaks", &gBloatLog);
if (defined || gLogLeaksOnly) {
RecreateBloatView();
if (!gBloatView) {
NS_WARNING("out of memory");
gBloatLog = nullptr;
gLogLeaksOnly = false;
}
}
(void)InitLog("XPCOM_MEM_REFCNT_LOG", "refcounts", &gRefcntsLog);
(void)InitLog("XPCOM_MEM_ALLOC_LOG", "new/delete", &gAllocLog);
defined = InitLog("XPCOM_MEM_LEAKY_LOG", "for leaky", &gLeakyLog);
if (defined) {
gLogToLeaky = true;
PRFuncPtr p = nullptr, q = nullptr;
#ifdef HAVE_DLOPEN
{
PRLibrary *lib = nullptr;
p = PR_FindFunctionSymbolAndLibrary("__log_addref", &lib);
if (lib) {
PR_UnloadLibrary(lib);
lib = nullptr;
}
q = PR_FindFunctionSymbolAndLibrary("__log_release", &lib);
if (lib) {
PR_UnloadLibrary(lib);
}
}
#endif
if (p && q) {
leakyLogAddRef = (void (*)(void*,int,int)) p;
leakyLogRelease = (void (*)(void*,int,int)) q;
}
else {
gLogToLeaky = false;
fprintf(stdout, "### ERROR: XPCOM_MEM_LEAKY_LOG defined, but can't locate __log_addref and __log_release symbols\n");
fflush(stdout);
}
}
const char* classes = getenv("XPCOM_MEM_LOG_CLASSES");
#ifdef HAVE_CPP_DYNAMIC_CAST_TO_VOID_PTR
if (classes) {
(void)InitLog("XPCOM_MEM_COMPTR_LOG", "nsCOMPtr", &gCOMPtrLog);
} else {
if (getenv("XPCOM_MEM_COMPTR_LOG")) {
fprintf(stdout, "### XPCOM_MEM_COMPTR_LOG defined -- but XPCOM_MEM_LOG_CLASSES is not defined\n");
}
}
#else
const char* comptr_log = getenv("XPCOM_MEM_COMPTR_LOG");
if (comptr_log) {
fprintf(stdout, "### XPCOM_MEM_COMPTR_LOG defined -- but it will not work without dynamic_cast\n");
}
#endif
if (classes) {
// if XPCOM_MEM_LOG_CLASSES was set to some value, the value is interpreted
// as a list of class names to track
gTypesToLog = PL_NewHashTable(256,
PL_HashString,
PL_CompareStrings,
PL_CompareValues,
&typesToLogHashAllocOps, NULL);
if (!gTypesToLog) {
NS_WARNING("out of memory");
fprintf(stdout, "### XPCOM_MEM_LOG_CLASSES defined -- unable to log specific classes\n");
}
else {
fprintf(stdout, "### XPCOM_MEM_LOG_CLASSES defined -- only logging these classes: ");
const char* cp = classes;
for (;;) {
char* cm = (char*) strchr(cp, ',');
if (cm) {
*cm = '\0';
}
PL_HashTableAdd(gTypesToLog, nsCRT::strdup(cp), (void*)1);
fprintf(stdout, "%s ", cp);
if (!cm) break;
*cm = ',';
cp = cm + 1;
}
fprintf(stdout, "\n");
}
gSerialNumbers = PL_NewHashTable(256,
HashNumber,
PL_CompareValues,
PL_CompareValues,
&serialNumberHashAllocOps, NULL);
}
const char* objects = getenv("XPCOM_MEM_LOG_OBJECTS");
if (objects) {
gObjectsToLog = PL_NewHashTable(256,
HashNumber,
PL_CompareValues,
PL_CompareValues,
NULL, NULL);
if (!gObjectsToLog) {
NS_WARNING("out of memory");
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- unable to log specific objects\n");
}
else if (! (gRefcntsLog || gAllocLog || gCOMPtrLog)) {
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- but none of XPCOM_MEM_(REFCNT|ALLOC|COMPTR)_LOG is defined\n");
}
else {
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- only logging these objects: ");
const char* cp = objects;
for (;;) {
char* cm = (char*) strchr(cp, ',');
if (cm) {
*cm = '\0';
}
intptr_t top = 0;
intptr_t bottom = 0;
while (*cp) {
if (*cp == '-') {
bottom = top;
top = 0;
++cp;
}
top *= 10;
top += *cp - '0';
++cp;
}
if (!bottom) {
bottom = top;
}
for (intptr_t serialno = bottom; serialno <= top; serialno++) {
PL_HashTableAdd(gObjectsToLog, (const void*)serialno, (void*)1);
fprintf(stdout, "%ld ", serialno);
}
if (!cm) break;
*cm = ',';
cp = cm + 1;
}
fprintf(stdout, "\n");
}
}
if (gBloatLog || gRefcntsLog || gAllocLog || gLeakyLog || gCOMPtrLog) {
gLogging = true;
}
gTraceLock = PR_NewLock();
}
static void
InitTraceLog()
{
if (gInitialized) {
return;
}
gInitialized = true;
bool defined = InitLog("XPCOM_MEM_BLOAT_LOG", "bloat/leaks", &gBloatLog);
if (!defined) {
gLogLeaksOnly = InitLog("XPCOM_MEM_LEAK_LOG", "leaks", &gBloatLog);
}
if (defined || gLogLeaksOnly) {
RecreateBloatView();
if (!gBloatView) {
NS_WARNING("out of memory");
maybeUnregisterAndCloseFile(gBloatLog);
gLogLeaksOnly = false;
}
}
InitLog("XPCOM_MEM_REFCNT_LOG", "refcounts", &gRefcntsLog);
InitLog("XPCOM_MEM_ALLOC_LOG", "new/delete", &gAllocLog);
const char* classes = getenv("XPCOM_MEM_LOG_CLASSES");
#ifdef HAVE_CPP_DYNAMIC_CAST_TO_VOID_PTR
if (classes) {
InitLog("XPCOM_MEM_COMPTR_LOG", "nsCOMPtr", &gCOMPtrLog);
} else {
if (getenv("XPCOM_MEM_COMPTR_LOG")) {
fprintf(stdout, "### XPCOM_MEM_COMPTR_LOG defined -- but XPCOM_MEM_LOG_CLASSES is not defined\n");
}
}
#else
const char* comptr_log = getenv("XPCOM_MEM_COMPTR_LOG");
if (comptr_log) {
fprintf(stdout, "### XPCOM_MEM_COMPTR_LOG defined -- but it will not work without dynamic_cast\n");
}
#endif
if (classes) {
// if XPCOM_MEM_LOG_CLASSES was set to some value, the value is interpreted
// as a list of class names to track
gTypesToLog = PL_NewHashTable(256,
PL_HashString,
PL_CompareStrings,
PL_CompareValues,
&typesToLogHashAllocOps, nullptr);
if (!gTypesToLog) {
NS_WARNING("out of memory");
fprintf(stdout, "### XPCOM_MEM_LOG_CLASSES defined -- unable to log specific classes\n");
} else {
fprintf(stdout, "### XPCOM_MEM_LOG_CLASSES defined -- only logging these classes: ");
const char* cp = classes;
for (;;) {
char* cm = (char*)strchr(cp, ',');
if (cm) {
*cm = '\0';
}
PL_HashTableAdd(gTypesToLog, strdup(cp), (void*)1);
fprintf(stdout, "%s ", cp);
if (!cm) {
break;
}
*cm = ',';
cp = cm + 1;
}
fprintf(stdout, "\n");
}
gSerialNumbers = PL_NewHashTable(256,
HashNumber,
PL_CompareValues,
PL_CompareValues,
&serialNumberHashAllocOps, nullptr);
}
const char* objects = getenv("XPCOM_MEM_LOG_OBJECTS");
if (objects) {
gObjectsToLog = PL_NewHashTable(256,
HashNumber,
PL_CompareValues,
PL_CompareValues,
nullptr, nullptr);
if (!gObjectsToLog) {
NS_WARNING("out of memory");
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- unable to log specific objects\n");
} else if (!(gRefcntsLog || gAllocLog || gCOMPtrLog)) {
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- but none of XPCOM_MEM_(REFCNT|ALLOC|COMPTR)_LOG is defined\n");
} else {
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- only logging these objects: ");
const char* cp = objects;
for (;;) {
char* cm = (char*)strchr(cp, ',');
if (cm) {
*cm = '\0';
}
intptr_t top = 0;
intptr_t bottom = 0;
while (*cp) {
if (*cp == '-') {
bottom = top;
top = 0;
++cp;
}
top *= 10;
top += *cp - '0';
++cp;
}
if (!bottom) {
bottom = top;
}
for (intptr_t serialno = bottom; serialno <= top; serialno++) {
PL_HashTableAdd(gObjectsToLog, (const void*)serialno, (void*)1);
fprintf(stdout, "%" PRIdPTR " ", serialno);
}
if (!cm) {
break;
}
*cm = ',';
cp = cm + 1;
}
fprintf(stdout, "\n");
}
}
if (gBloatLog) {
gLogging = OnlyBloatLogging;
}
if (gRefcntsLog || gAllocLog || gCOMPtrLog) {
gLogging = FullLogging;
}
gTraceLock = PR_NewLock();
}
