688 char* message = SharedRuntime::generate_class_cast_message(
689 thread, object->klass());
690 SharedRuntime::throw_and_post_jvmti_exception(
691 thread, vmSymbols::java_lang_ClassCastException(), message);
692 JRT_END
693
694
695 JRT_ENTRY(void, Runtime1::throw_incompatible_class_change_error(JavaThread* thread))
696 NOT_PRODUCT(_throw_incompatible_class_change_error_count++;)
697 ResourceMark rm(thread);
698 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_IncompatibleClassChangeError());
699 JRT_END
700
701
702 JRT_ENTRY_NO_ASYNC(void, Runtime1::monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock))
703 NOT_PRODUCT(_monitorenter_slowcase_cnt++;)
704 if (PrintBiasedLockingStatistics) {
705 Atomic::inc(BiasedLocking::slow_path_entry_count_addr());
706 }
707 Handle h_obj(thread, obj);
708 assert(obj == lock->obj(), "must match");
709 ObjectSynchronizer::enter(h_obj, lock->lock(), THREAD);
710 JRT_END
711
712
713 JRT_LEAF(void, Runtime1::monitorexit(JavaThread* thread, BasicObjectLock* lock))
714 NOT_PRODUCT(_monitorexit_slowcase_cnt++;)
715 assert(thread == JavaThread::current(), "threads must correspond");
716 assert(thread->last_Java_sp(), "last_Java_sp must be set");
717 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown
718 EXCEPTION_MARK;
719
720 oop obj = lock->obj();
721 assert(oopDesc::is_oop(obj), "must be NULL or an object");
722 ObjectSynchronizer::exit(obj, lock->lock(), THREAD);
723 JRT_END
724
725 // Cf. OptoRuntime::deoptimize_caller_frame
726 JRT_ENTRY(void, Runtime1::deoptimize(JavaThread* thread, jint trap_request))
727 // Called from within the owner thread, so no need for safepoint
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688 char* message = SharedRuntime::generate_class_cast_message(
689 thread, object->klass());
690 SharedRuntime::throw_and_post_jvmti_exception(
691 thread, vmSymbols::java_lang_ClassCastException(), message);
692 JRT_END
693
694
695 JRT_ENTRY(void, Runtime1::throw_incompatible_class_change_error(JavaThread* thread))
696 NOT_PRODUCT(_throw_incompatible_class_change_error_count++;)
697 ResourceMark rm(thread);
698 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_IncompatibleClassChangeError());
699 JRT_END
700
701
702 JRT_ENTRY_NO_ASYNC(void, Runtime1::monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock))
703 NOT_PRODUCT(_monitorenter_slowcase_cnt++;)
704 if (PrintBiasedLockingStatistics) {
705 Atomic::inc(BiasedLocking::slow_path_entry_count_addr());
706 }
707 Handle h_obj(thread, obj);
708 if (!UseFastLocking) {
709 lock->set_obj(obj);
710 }
711 assert(obj == lock->obj(), "must match");
712 ObjectSynchronizer::enter(h_obj, lock->lock(), THREAD);
713 JRT_END
714
715
716 JRT_LEAF(void, Runtime1::monitorexit(JavaThread* thread, BasicObjectLock* lock))
717 NOT_PRODUCT(_monitorexit_slowcase_cnt++;)
718 assert(thread == JavaThread::current(), "threads must correspond");
719 assert(thread->last_Java_sp(), "last_Java_sp must be set");
720 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown
721 EXCEPTION_MARK;
722
723 oop obj = lock->obj();
724 assert(oopDesc::is_oop(obj), "must be NULL or an object");
725 ObjectSynchronizer::exit(obj, lock->lock(), THREAD);
726 JRT_END
727
728 // Cf. OptoRuntime::deoptimize_caller_frame
729 JRT_ENTRY(void, Runtime1::deoptimize(JavaThread* thread, jint trap_request))
730 // Called from within the owner thread, so no need for safepoint
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