202 return init_method_MemberName(mname, info);
203 }
204 } else if (target_klass == SystemDictionary::reflect_Constructor_klass()) {
205 oop clazz = java_lang_reflect_Constructor::clazz(target_oop);
206 int slot = java_lang_reflect_Constructor::slot(target_oop);
207 Klass* k = java_lang_Class::as_Klass(clazz);
208 if (k != NULL && k->is_instance_klass()) {
209 Method* m = InstanceKlass::cast(k)->method_with_idnum(slot);
210 if (m == NULL) return NULL;
211 CallInfo info(m, k, CHECK_NULL);
212 return init_method_MemberName(mname, info);
213 }
214 }
215 return NULL;
216 }
217
218 oop MethodHandles::init_method_MemberName(Handle mname, CallInfo& info) {
219 assert(info.resolved_appendix().is_null(), "only normal methods here");
220 methodHandle m = info.resolved_method();
221 assert(m.not_null(), "null method handle");
222 Klass* m_klass = m->method_holder();
223 assert(m_klass != NULL, "null holder for method handle");
224 int flags = (jushort)( m->access_flags().as_short() & JVM_RECOGNIZED_METHOD_MODIFIERS );
225 int vmindex = Method::invalid_vtable_index;
226
227 switch (info.call_kind()) {
228 case CallInfo::itable_call:
229 vmindex = info.itable_index();
230 // More importantly, the itable index only works with the method holder.
231 assert(m_klass->verify_itable_index(vmindex), "");
232 flags |= IS_METHOD | (JVM_REF_invokeInterface << REFERENCE_KIND_SHIFT);
233 if (TraceInvokeDynamic) {
234 ttyLocker ttyl;
235 ResourceMark rm;
236 tty->print_cr("memberName: invokeinterface method_holder::method: %s, itableindex: %d, access_flags:",
237 Method::name_and_sig_as_C_string(m->method_holder(), m->name(), m->signature()),
238 vmindex);
239 m->access_flags().print_on(tty);
240 if (!m->is_abstract()) {
241 if (!m->is_private()) {
242 tty->print("default");
243 }
244 else {
245 tty->print("private-intf");
246 }
247 }
248 tty->cr();
249 }
250 break;
251
252 case CallInfo::vtable_call:
253 vmindex = info.vtable_index();
254 flags |= IS_METHOD | (JVM_REF_invokeVirtual << REFERENCE_KIND_SHIFT);
255 assert(info.resolved_klass()->is_subtype_of(m_klass), "virtual call must be type-safe");
256 if (m_klass->is_interface()) {
257 // This is a vtable call to an interface method (abstract "miranda method" or default method).
258 // The vtable index is meaningless without a class (not interface) receiver type, so get one.
259 // (LinkResolver should help us figure this out.)
260 Klass* m_klass_non_interface = info.resolved_klass();
261 if (m_klass_non_interface->is_interface()) {
262 m_klass_non_interface = SystemDictionary::Object_klass();
263 #ifdef ASSERT
264 { ResourceMark rm;
265 Method* m2 = m_klass_non_interface->vtable().method_at(vmindex);
266 assert(m->name() == m2->name() && m->signature() == m2->signature(),
267 "at %d, %s != %s", vmindex,
268 m->name_and_sig_as_C_string(), m2->name_and_sig_as_C_string());
269 }
270 #endif //ASSERT
271 }
272 if (!m->is_public()) {
273 assert(m->is_public(), "virtual call must be to public interface method");
274 return NULL; // elicit an error later in product build
275 }
276 assert(info.resolved_klass()->is_subtype_of(m_klass_non_interface), "virtual call must be type-safe");
277 m_klass = m_klass_non_interface;
278 }
279 if (TraceInvokeDynamic) {
280 ttyLocker ttyl;
|
202 return init_method_MemberName(mname, info);
203 }
204 } else if (target_klass == SystemDictionary::reflect_Constructor_klass()) {
205 oop clazz = java_lang_reflect_Constructor::clazz(target_oop);
206 int slot = java_lang_reflect_Constructor::slot(target_oop);
207 Klass* k = java_lang_Class::as_Klass(clazz);
208 if (k != NULL && k->is_instance_klass()) {
209 Method* m = InstanceKlass::cast(k)->method_with_idnum(slot);
210 if (m == NULL) return NULL;
211 CallInfo info(m, k, CHECK_NULL);
212 return init_method_MemberName(mname, info);
213 }
214 }
215 return NULL;
216 }
217
218 oop MethodHandles::init_method_MemberName(Handle mname, CallInfo& info) {
219 assert(info.resolved_appendix().is_null(), "only normal methods here");
220 methodHandle m = info.resolved_method();
221 assert(m.not_null(), "null method handle");
222 InstanceKlass* m_klass = m->method_holder();
223 assert(m_klass != NULL, "null holder for method handle");
224 int flags = (jushort)( m->access_flags().as_short() & JVM_RECOGNIZED_METHOD_MODIFIERS );
225 int vmindex = Method::invalid_vtable_index;
226
227 switch (info.call_kind()) {
228 case CallInfo::itable_call:
229 vmindex = info.itable_index();
230 // More importantly, the itable index only works with the method holder.
231 assert(m_klass->verify_itable_index(vmindex), "");
232 flags |= IS_METHOD | (JVM_REF_invokeInterface << REFERENCE_KIND_SHIFT);
233 if (TraceInvokeDynamic) {
234 ttyLocker ttyl;
235 ResourceMark rm;
236 tty->print_cr("memberName: invokeinterface method_holder::method: %s, itableindex: %d, access_flags:",
237 Method::name_and_sig_as_C_string(m->method_holder(), m->name(), m->signature()),
238 vmindex);
239 m->access_flags().print_on(tty);
240 if (!m->is_abstract()) {
241 if (!m->is_private()) {
242 tty->print("default");
243 }
244 else {
245 tty->print("private-intf");
246 }
247 }
248 tty->cr();
249 }
250 break;
251
252 case CallInfo::vtable_call:
253 vmindex = info.vtable_index();
254 flags |= IS_METHOD | (JVM_REF_invokeVirtual << REFERENCE_KIND_SHIFT);
255 assert(info.resolved_klass()->is_subtype_of(m_klass), "virtual call must be type-safe");
256 if (m_klass->is_interface()) {
257 // This is a vtable call to an interface method (abstract "miranda method" or default method).
258 // The vtable index is meaningless without a class (not interface) receiver type, so get one.
259 // (LinkResolver should help us figure this out.)
260 assert(info.resolved_klass()->is_instance_klass(), "subtype of interface must be an instance klass");
261 InstanceKlass* m_klass_non_interface = InstanceKlass::cast(info.resolved_klass());
262 if (m_klass_non_interface->is_interface()) {
263 m_klass_non_interface = SystemDictionary::Object_klass();
264 #ifdef ASSERT
265 { ResourceMark rm;
266 Method* m2 = m_klass_non_interface->vtable().method_at(vmindex);
267 assert(m->name() == m2->name() && m->signature() == m2->signature(),
268 "at %d, %s != %s", vmindex,
269 m->name_and_sig_as_C_string(), m2->name_and_sig_as_C_string());
270 }
271 #endif //ASSERT
272 }
273 if (!m->is_public()) {
274 assert(m->is_public(), "virtual call must be to public interface method");
275 return NULL; // elicit an error later in product build
276 }
277 assert(info.resolved_klass()->is_subtype_of(m_klass_non_interface), "virtual call must be type-safe");
278 m_klass = m_klass_non_interface;
279 }
280 if (TraceInvokeDynamic) {
281 ttyLocker ttyl;
|