void ciMethodData::load_data() { MethodData* mdo = get_MethodData(); if (mdo == NULL) { return; } // To do: don't copy the data if it is not "ripe" -- require a minimum # // of invocations. // Snapshot the data -- actually, take an approximate snapshot of // the data. Any concurrently executing threads may be changing the // data as we copy it. Copy::disjoint_words((HeapWord*) mdo, (HeapWord*) &_orig, sizeof(_orig) / HeapWordSize); Arena* arena = CURRENT_ENV->arena(); _data_size = mdo->data_size(); _extra_data_size = mdo->extra_data_size(); int total_size = _data_size + _extra_data_size; _data = (intptr_t *) arena->Amalloc(total_size); Copy::disjoint_words((HeapWord*) mdo->data_base(), (HeapWord*) _data, total_size / HeapWordSize); // Traverse the profile data, translating any oops into their // ci equivalents. ResourceMark rm; ciProfileData* ci_data = first_data(); ProfileData* data = mdo->first_data(); while (is_valid(ci_data)) { ci_data->translate_from(data); ci_data = next_data(ci_data); data = mdo->next_data(data); } if (mdo->parameters_type_data() != NULL) { _parameters = data_layout_at(mdo->parameters_type_data_di()); ciParametersTypeData* parameters = new ciParametersTypeData(_parameters); parameters->translate_from(mdo->parameters_type_data()); } load_extra_data(); // Note: Extra data are all BitData, and do not need translation. _current_mileage = MethodData::mileage_of(mdo->method()); _invocation_counter = mdo->invocation_count(); _backedge_counter = mdo->backedge_count(); _state = mdo->is_mature()? mature_state: immature_state; _eflags = mdo->eflags(); _arg_local = mdo->arg_local(); _arg_stack = mdo->arg_stack(); _arg_returned = mdo->arg_returned(); #ifndef PRODUCT if (ReplayCompiles) { ciReplay::initialize(this); } #endif }
void ciMethodData::set_parameter_type(int i, ciKlass* k) { VM_ENTRY_MARK; MethodData* mdo = get_MethodData(); if (mdo != NULL) { mdo->parameters_type_data()->set_type(i, k->get_Klass()); } }