typeArrayOop TypeArrayKlass::allocate(int length, HeapColor color, TRAPS) { assert(log2_element_size() >= 0, "bad scale"); if (length >= 0) { if (length <= max_length()) { size_t size = typeArrayOopDesc::object_size(layout_helper(), length); KlassHandle h_k(THREAD, this); typeArrayOop t; CollectedHeap* ch = Universe::heap(); /* if (size < ch->large_typearray_limit()) { */ t = (typeArrayOop)CollectedHeap::array_allocate(h_k, (int)size, length, color, CHECK_NULL); /* } else { t = (typeArrayOop)CollectedHeap::large_typearray_allocate(h_k, (int)size, length, color, CHECK_NULL); } */ //assert(t->is_parsable(), "Don't publish unless parsable"); return t; } else { report_java_out_of_memory("Requested array size exceeds VM limit"); THROW_OOP_0(Universe::out_of_memory_error_array_size()); } } else { THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); } }
// Need to investigate, do we really want to throw OOM exception here? HeapWord* CollectedHeap::common_permanent_mem_allocate_noinit(size_t size, TRAPS) { HeapWord* result = Universe::heap()->permanent_mem_allocate(size); if (result != NULL) { NOT_PRODUCT(Universe::heap()-> check_for_non_bad_heap_word_value(result, size)); return result; } THROW_OOP_0(Universe::out_of_memory_error_instance()); }
objArrayOop arrayKlass::allocate_arrayArray(int n, int length, TRAPS) { if (length < 0) { THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); } if (length > arrayOopDesc::max_array_length(T_ARRAY)) { THROW_OOP_0(Universe::out_of_memory_error_instance()); } int size = objArrayOopDesc::object_size(length); klassOop k = array_klass(n+dimension(), CHECK_0); arrayKlassHandle ak (THREAD, k); objArrayOop o = (objArrayOop)CollectedHeap::array_allocate(ak, size, length, CHECK_0); // initialization to NULL not necessary, area already cleared return o; }
HeapWord* CollectedHeap::common_mem_allocate_noinit(size_t size, bool is_noref, TRAPS) { // We may want to update this, is_noref objects might not be allocated in TLABs. HeapWord* result = NULL; if (UseTLAB && !Universe::jvmpi_slow_allocation()) { result = CollectedHeap::allocate_from_tlab(THREAD, size); if (result != NULL) { return result; } } result = Universe::heap()->mem_allocate(size, is_noref, false); if (result != NULL) { NOT_PRODUCT(Universe::heap()-> check_for_non_bad_heap_word_value(result, size)); return result; } THROW_OOP_0(Universe::out_of_memory_error_instance()); }
typeArrayOop TypeArrayKlass::allocate_common(int length, bool do_zero, TRAPS) { assert(log2_element_size() >= 0, "bad scale"); if (length >= 0) { if (length <= max_length()) { size_t size = typeArrayOopDesc::object_size(layout_helper(), length); KlassHandle h_k(THREAD, this); typeArrayOop t; CollectedHeap* ch = Universe::heap(); if (do_zero) { t = (typeArrayOop)CollectedHeap::array_allocate(h_k, (int)size, length, CHECK_NULL); } else { t = (typeArrayOop)CollectedHeap::array_allocate_nozero(h_k, (int)size, length, CHECK_NULL); } return t; } else { report_java_out_of_memory("Requested array size exceeds VM limit"); JvmtiExport::post_array_size_exhausted(); THROW_OOP_0(Universe::out_of_memory_error_array_size()); } } else { THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); } }