850 return (is_static() ||
851 method_holder()->major_version() < 51);
852 }
853
854 bool Method::is_static_initializer() const {
855 // For classfiles version 51 or greater, ensure that the clinit method is
856 // static. Non-static methods with the name "<clinit>" are not static
857 // initializers. (older classfiles exempted for backward compatibility)
858 return name() == vmSymbols::class_initializer_name() &&
859 has_valid_initializer_flags();
860 }
861
862 bool Method::is_object_initializer() const {
863 return name() == vmSymbols::object_initializer_name();
864 }
865
866 bool Method::needs_clinit_barrier() const {
867 return is_static() && !method_holder()->is_initialized();
868 }
869
870 objArrayHandle Method::resolved_checked_exceptions_impl(Method* method, TRAPS) {
871 int length = method->checked_exceptions_length();
872 if (length == 0) { // common case
873 return objArrayHandle(THREAD, Universe::the_empty_class_array());
874 } else {
875 methodHandle h_this(THREAD, method);
876 objArrayOop m_oop = oopFactory::new_objArray(vmClasses::Class_klass(), length, CHECK_(objArrayHandle()));
877 objArrayHandle mirrors (THREAD, m_oop);
878 for (int i = 0; i < length; i++) {
879 CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe
880 Klass* k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle()));
881 if (log_is_enabled(Warning, exceptions) &&
882 !k->is_subclass_of(vmClasses::Throwable_klass())) {
883 ResourceMark rm(THREAD);
884 log_warning(exceptions)(
885 "Class %s in throws clause of method %s is not a subtype of class java.lang.Throwable",
886 k->external_name(), method->external_name());
887 }
888 mirrors->obj_at_put(i, k->java_mirror());
889 }
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850 return (is_static() ||
851 method_holder()->major_version() < 51);
852 }
853
854 bool Method::is_static_initializer() const {
855 // For classfiles version 51 or greater, ensure that the clinit method is
856 // static. Non-static methods with the name "<clinit>" are not static
857 // initializers. (older classfiles exempted for backward compatibility)
858 return name() == vmSymbols::class_initializer_name() &&
859 has_valid_initializer_flags();
860 }
861
862 bool Method::is_object_initializer() const {
863 return name() == vmSymbols::object_initializer_name();
864 }
865
866 bool Method::needs_clinit_barrier() const {
867 return is_static() && !method_holder()->is_initialized();
868 }
869
870 bool Method::is_object_wait0() const {
871 return name() == vmSymbols::wait_name();
872 }
873
874 objArrayHandle Method::resolved_checked_exceptions_impl(Method* method, TRAPS) {
875 int length = method->checked_exceptions_length();
876 if (length == 0) { // common case
877 return objArrayHandle(THREAD, Universe::the_empty_class_array());
878 } else {
879 methodHandle h_this(THREAD, method);
880 objArrayOop m_oop = oopFactory::new_objArray(vmClasses::Class_klass(), length, CHECK_(objArrayHandle()));
881 objArrayHandle mirrors (THREAD, m_oop);
882 for (int i = 0; i < length; i++) {
883 CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe
884 Klass* k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle()));
885 if (log_is_enabled(Warning, exceptions) &&
886 !k->is_subclass_of(vmClasses::Throwable_klass())) {
887 ResourceMark rm(THREAD);
888 log_warning(exceptions)(
889 "Class %s in throws clause of method %s is not a subtype of class java.lang.Throwable",
890 k->external_name(), method->external_name());
891 }
892 mirrors->obj_at_put(i, k->java_mirror());
893 }
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