409 }
410
411 MemRegion ObjArrayAllocator::obj_memory_range(oop obj) const {
412 if (_do_zero) {
413 return MemAllocator::obj_memory_range(obj);
414 }
415 ArrayKlass* array_klass = ArrayKlass::cast(_klass);
416 const size_t hs = arrayOopDesc::header_size(array_klass->element_type());
417 return MemRegion(((HeapWord*)obj) + hs, _word_size - hs);
418 }
419
420 oop ObjArrayAllocator::initialize(HeapWord* mem) const {
421 // Set array length before setting the _klass field because a
422 // non-NULL klass field indicates that the object is parsable by
423 // concurrent GC.
424 assert(_length >= 0, "length should be non-negative");
425 if (_do_zero) {
426 mem_clear(mem);
427 }
428 arrayOopDesc::set_length(mem, _length);
429 return finish_with_properties(mem, ArrayKlass::cast(_klass)->storage_properties());
430 }
431
432 oop ClassAllocator::initialize(HeapWord* mem) const {
433 // Set oop_size field before setting the _klass field because a
434 // non-NULL _klass field indicates that the object is parsable by
435 // concurrent GC.
436 assert(_word_size > 0, "oop_size must be positive.");
437 mem_clear(mem);
438 java_lang_Class::set_oop_size(mem, (int)_word_size);
439 return finish(mem);
440 }
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409 }
410
411 MemRegion ObjArrayAllocator::obj_memory_range(oop obj) const {
412 if (_do_zero) {
413 return MemAllocator::obj_memory_range(obj);
414 }
415 ArrayKlass* array_klass = ArrayKlass::cast(_klass);
416 const size_t hs = arrayOopDesc::header_size(array_klass->element_type());
417 return MemRegion(((HeapWord*)obj) + hs, _word_size - hs);
418 }
419
420 oop ObjArrayAllocator::initialize(HeapWord* mem) const {
421 // Set array length before setting the _klass field because a
422 // non-NULL klass field indicates that the object is parsable by
423 // concurrent GC.
424 assert(_length >= 0, "length should be non-negative");
425 if (_do_zero) {
426 mem_clear(mem);
427 }
428 arrayOopDesc::set_length(mem, _length);
429 assert(ArrayKlass::cast(_klass)->storage_properties().is_empty() ||
430 ArrayKlass::cast(_klass)->dimension() == 1, "Multidim should have no storage props");
431 return finish_with_properties(mem, ArrayKlass::cast(_klass)->storage_properties());
432 }
433
434 oop ClassAllocator::initialize(HeapWord* mem) const {
435 // Set oop_size field before setting the _klass field because a
436 // non-NULL _klass field indicates that the object is parsable by
437 // concurrent GC.
438 assert(_word_size > 0, "oop_size must be positive.");
439 mem_clear(mem);
440 java_lang_Class::set_oop_size(mem, (int)_word_size);
441 return finish(mem);
442 }
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