/*
* Create an instance of the specified class.
*
* Returns NULL and throws an exception on failure.
*/
Object* dvmAllocObject(ClassObject* clazz, int flags)
{
Object* newObj;
assert(clazz != NULL);
assert(dvmIsClassInitialized(clazz) || dvmIsClassInitializing(clazz));
/* allocate on GC heap; memory is zeroed out */
newObj = (Object*)dvmMalloc(clazz->objectSize, flags);
if (newObj != NULL) {
DVM_OBJECT_INIT(newObj, clazz);
dvmTrackAllocation(clazz, clazz->objectSize); /* notify DDMS */
}
//SVM CODE SUPPORT
//init the tag of an object to 0
newObj->tag = 0;
pthread_mutex_lock(&gDvm.s_mtx);
if(gDvm.newObjHook){
gDvm.newObjHook(newObj);
}
pthread_mutex_unlock(&gDvm.s_mtx);
//SVM CODE SUPPORT END
return newObj;
}
/*
* Create an instance of the specified class.
*
* Returns NULL and throws an exception on failure.
*/
Object* dvmAllocObject(ClassObject* clazz, int flags)
{
Object* newObj;
assert(dvmIsClassInitialized(clazz) || dvmIsClassInitializing(clazz));
if (IS_CLASS_FLAG_SET(clazz, CLASS_ISFINALIZABLE)) {
flags |= ALLOC_FINALIZABLE;
}
/* allocate on GC heap; memory is zeroed out */
newObj = dvmMalloc(clazz->objectSize, flags);
if (newObj != NULL) {
DVM_OBJECT_INIT(newObj, clazz);
Monitor* mon = NULL;//dvmCreateMonitor(newObj);
newObj->lock = (u4)mon | LW_SHAPE_FAT;
LOGVV("AllocObject: %s (%d)\n", clazz->descriptor,
(int) clazz->objectSize);
#if WITH_HPROF && WITH_HPROF_STACK
hprofFillInStackTrace(newObj);
#endif
dvmTrackAllocation(clazz, clazz->objectSize);
}
return newObj;
}
/*
* Create an instance of the specified class.
*
* Returns NULL and throws an exception on failure.
*/
Object* dvmAllocObject(ClassObject* clazz, int flags)
{
Object* newObj;
assert(clazz != NULL);
assert(dvmIsClassInitialized(clazz) || dvmIsClassInitializing(clazz));
/* allocate on GC heap; memory is zeroed out */
newObj = (Object*)dvmMalloc(clazz->objectSize, flags);
if (newObj != NULL) {
DVM_OBJECT_INIT(newObj, clazz);
dvmTrackAllocation(clazz, clazz->objectSize); /* notify DDMS */
}
return newObj;
}
/*
* Create a copy of an object, for Object.clone().
*
* We use the size actually allocated, rather than obj->clazz->objectSize,
* because the latter doesn't work for array objects.
*/
Object* dvmCloneObject(Object* obj)
{
Object* copy;
int size;
int flags;
assert(dvmIsValidObject(obj));
/* Class.java shouldn't let us get here (java.lang.Class is final
* and does not implement Clonable), but make extra sure.
* A memcpy() clone will wreak havoc on a ClassObject's "innards".
*/
assert(obj->clazz != gDvm.classJavaLangClass);
if (IS_CLASS_FLAG_SET(obj->clazz, CLASS_ISFINALIZABLE))
flags = ALLOC_DEFAULT | ALLOC_FINALIZABLE;
else
flags = ALLOC_DEFAULT;
//TODO: use clazz->objectSize for non-arrays
size = dvmObjectSizeInHeap(obj);
copy = dvmMalloc(size, flags);
if (copy == NULL)
return NULL;
#if WITH_HPROF && WITH_HPROF_STACK
hprofFillInStackTrace(copy);
dvmTrackAllocation(obj->clazz, size);
#endif
memcpy(copy, obj, size);
DVM_LOCK_INIT(©->lock);
Monitor* mon = NULL;//dvmCreateMonitor(copy);
copy->lock = (u4)mon | LW_SHAPE_FAT;
//LOGV("CloneObject: %p->%p %s (%d)\n", obj, copy, obj->clazz->name, size);
// TODO: deal with reference classes
/* don't call dvmReleaseTrackedAlloc -- the caller must do that */
return copy;
}
/*
* Create a copy of an object, for Object.clone().
*
* We use the size actually allocated, rather than obj->clazz->objectSize,
* because the latter doesn't work for array objects.
*/
Object* dvmCloneObject(Object* obj, int flags)
{
assert(dvmIsValidObject(obj));
ClassObject* clazz = obj->clazz;
/* Class.java shouldn't let us get here (java.lang.Class is final
* and does not implement Clonable), but make extra sure.
* A memcpy() clone will wreak havoc on a ClassObject's "innards".
*/
assert(!dvmIsTheClassClass(clazz));
size_t size;
if (IS_CLASS_FLAG_SET(clazz, CLASS_ISARRAY)) {
size = dvmArrayObjectSize((ArrayObject *)obj);
} else {
size = clazz->objectSize;
}
Object* copy = (Object*)dvmMalloc(size, flags);
copy->tag = 0;
if (copy == NULL)
return NULL;
DVM_OBJECT_INIT(copy, clazz);
size_t offset = sizeof(Object);
/* Copy instance data. We assume memcpy copies by words. */
memcpy((char*)copy + offset, (char*)obj + offset, size - offset);
/* Mark the clone as finalizable if appropriate. */
if (IS_CLASS_FLAG_SET(clazz, CLASS_ISFINALIZABLE)) {
dvmSetFinalizable(copy);
}
dvmTrackAllocation(clazz, size); /* notify DDMS */
pthread_mutex_lock(&gDvm.s_mtx);
if(gDvm.newObjHook){
gDvm.newObjHook(copy);
}
pthread_mutex_unlock(&gDvm.s_mtx);
return copy;
}
/*
* Create a copy of an object, for Object.clone().
*
* We use the size actually allocated, rather than obj->clazz->objectSize,
* because the latter doesn't work for array objects.
*/
Object* dvmCloneObject(Object* obj)
{
Object* copy;
int size;
int flags;
assert(dvmIsValidObject(obj));
/* Class.java shouldn't let us get here (java.lang.Class is final
* and does not implement Clonable), but make extra sure.
* A memcpy() clone will wreak havoc on a ClassObject's "innards".
*/
assert(obj->clazz != gDvm.classJavaLangClass);
if (IS_CLASS_FLAG_SET(obj->clazz, CLASS_ISFINALIZABLE))
flags = ALLOC_DEFAULT | ALLOC_FINALIZABLE;
else
flags = ALLOC_DEFAULT;
if (IS_CLASS_FLAG_SET(obj->clazz, CLASS_ISARRAY)) {
size = dvmArrayObjectSize((ArrayObject *)obj);
} else {
size = obj->clazz->objectSize;
}
copy = dvmMalloc(size, flags);
if (copy == NULL)
return NULL;
#if WITH_HPROF && WITH_HPROF_STACK
hprofFillInStackTrace(copy);
dvmTrackAllocation(obj->clazz, size);
#endif
memcpy(copy, obj, size);
DVM_LOCK_INIT(©->lock);
dvmWriteBarrierObject(copy);
return copy;
}
/*
* Create an instance of the specified class.
*
* Returns NULL and throws an exception on failure.
*/
Object* dvmAllocObject(ClassObject* clazz, int flags)
{
Object* newObj;
assert(dvmIsClassInitialized(clazz) || dvmIsClassInitializing(clazz));
if (IS_CLASS_FLAG_SET(clazz, CLASS_ISFINALIZABLE)) {
flags |= ALLOC_FINALIZABLE;
}
/* allocate on GC heap; memory is zeroed out */
newObj = dvmMalloc(clazz->objectSize, flags);
if (newObj != NULL) {
DVM_OBJECT_INIT(newObj, clazz);
#if WITH_HPROF && WITH_HPROF_STACK
hprofFillInStackTrace(newObj);
#endif
dvmTrackAllocation(clazz, clazz->objectSize);
}
return newObj;
}