1340 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_StrictMath):
1341 // Second chance: check in regular Math.
1342 switch (name_id) {
1343 case vmSymbols::VM_SYMBOL_ENUM_NAME(min_name):
1344 case vmSymbols::VM_SYMBOL_ENUM_NAME(max_name):
1345 case vmSymbols::VM_SYMBOL_ENUM_NAME(sqrt_name):
1346 // pretend it is the corresponding method in the non-strict class:
1347 klass_id = vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_Math);
1348 id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags);
1349 break;
1350 }
1351 break;
1352
1353 // Signature-polymorphic methods: MethodHandle.invoke*, InvokeDynamic.*.
1354 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle):
1355 if (!is_native()) break;
1356 id = MethodHandles::signature_polymorphic_name_id(method_holder(), name());
1357 if (is_static() != MethodHandles::is_signature_polymorphic_static(id))
1358 id = vmIntrinsics::_none;
1359 break;
1360 }
1361
1362 if (id != vmIntrinsics::_none) {
1363 // Set up its iid. It is an alias method.
1364 set_intrinsic_id(id);
1365 return;
1366 }
1367 }
1368
1369 // These two methods are static since a GC may move the Method
1370 bool Method::load_signature_classes(methodHandle m, TRAPS) {
1371 if (!THREAD->can_call_java()) {
1372 // There is nothing useful this routine can do from within the Compile thread.
1373 // Hopefully, the signature contains only well-known classes.
1374 // We could scan for this and return true/false, but the caller won't care.
1375 return false;
1376 }
1377 bool sig_is_loaded = true;
1378 Handle class_loader(THREAD, m->method_holder()->class_loader());
1379 Handle protection_domain(THREAD, m->method_holder()->protection_domain());
1380 ResourceMark rm(THREAD);
1381 Symbol* signature = m->signature();
1382 for(SignatureStream ss(signature); !ss.is_done(); ss.next()) {
1383 if (ss.is_object()) {
1384 Symbol* sym = ss.as_symbol(CHECK_(false));
1385 Symbol* name = sym;
1386 Klass* klass = SystemDictionary::resolve_or_null(name, class_loader,
1387 protection_domain, THREAD);
1388 // We are loading classes eagerly. If a ClassNotFoundException or
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1340 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_StrictMath):
1341 // Second chance: check in regular Math.
1342 switch (name_id) {
1343 case vmSymbols::VM_SYMBOL_ENUM_NAME(min_name):
1344 case vmSymbols::VM_SYMBOL_ENUM_NAME(max_name):
1345 case vmSymbols::VM_SYMBOL_ENUM_NAME(sqrt_name):
1346 // pretend it is the corresponding method in the non-strict class:
1347 klass_id = vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_Math);
1348 id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags);
1349 break;
1350 }
1351 break;
1352
1353 // Signature-polymorphic methods: MethodHandle.invoke*, InvokeDynamic.*.
1354 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle):
1355 if (!is_native()) break;
1356 id = MethodHandles::signature_polymorphic_name_id(method_holder(), name());
1357 if (is_static() != MethodHandles::is_signature_polymorphic_static(id))
1358 id = vmIntrinsics::_none;
1359 break;
1360
1361 case vmSymbols::VM_SYMBOL_ENUM_NAME(sun_misc_Unsafe):
1362 // Map sun.misc.Unsafe to jdk.internal.misc.Unsafe
1363 if (!is_unsafe_alias(name_id)) break;
1364 // pretend it is the corresponding method in the internal Unsafe class:
1365 klass_id = vmSymbols::VM_SYMBOL_ENUM_NAME(jdk_internal_misc_Unsafe);
1366 id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags);
1367 break;
1368 }
1369
1370 if (id != vmIntrinsics::_none) {
1371 // Set up its iid. It is an alias method.
1372 set_intrinsic_id(id);
1373 return;
1374 }
1375 }
1376
1377 bool Method::is_unsafe_alias(vmSymbols::SID name_id) {
1378 // All 70 intrinsic candidate methods from sun.misc.Unsafe in 1.8.
1379 // Some have the same method name but different signature, e.g.
1380 // getByte(long), getByte(Object,long)
1381 switch (name_id) {
1382 case vmSymbols::VM_SYMBOL_ENUM_NAME(allocateInstance_name):
1383 case vmSymbols::VM_SYMBOL_ENUM_NAME(copyMemory_name):
1384 case vmSymbols::VM_SYMBOL_ENUM_NAME(loadFence_name):
1385 case vmSymbols::VM_SYMBOL_ENUM_NAME(storeFence_name):
1386 case vmSymbols::VM_SYMBOL_ENUM_NAME(fullFence_name):
1387 case vmSymbols::VM_SYMBOL_ENUM_NAME(getObject_name):
1388 case vmSymbols::VM_SYMBOL_ENUM_NAME(getBoolean_name):
1389 case vmSymbols::VM_SYMBOL_ENUM_NAME(getByte_name):
1390 case vmSymbols::VM_SYMBOL_ENUM_NAME(getShort_name):
1391 case vmSymbols::VM_SYMBOL_ENUM_NAME(getChar_name):
1392 case vmSymbols::VM_SYMBOL_ENUM_NAME(getInt_name):
1393 case vmSymbols::VM_SYMBOL_ENUM_NAME(getLong_name):
1394 case vmSymbols::VM_SYMBOL_ENUM_NAME(getFloat_name):
1395 case vmSymbols::VM_SYMBOL_ENUM_NAME(getDouble_name):
1396 case vmSymbols::VM_SYMBOL_ENUM_NAME(putObject_name):
1397 case vmSymbols::VM_SYMBOL_ENUM_NAME(putBoolean_name):
1398 case vmSymbols::VM_SYMBOL_ENUM_NAME(putByte_name):
1399 case vmSymbols::VM_SYMBOL_ENUM_NAME(putShort_name):
1400 case vmSymbols::VM_SYMBOL_ENUM_NAME(putChar_name):
1401 case vmSymbols::VM_SYMBOL_ENUM_NAME(putInt_name):
1402 case vmSymbols::VM_SYMBOL_ENUM_NAME(putLong_name):
1403 case vmSymbols::VM_SYMBOL_ENUM_NAME(putFloat_name):
1404 case vmSymbols::VM_SYMBOL_ENUM_NAME(putDouble_name):
1405 case vmSymbols::VM_SYMBOL_ENUM_NAME(getObjectVolatile_name):
1406 case vmSymbols::VM_SYMBOL_ENUM_NAME(getBooleanVolatile_name):
1407 case vmSymbols::VM_SYMBOL_ENUM_NAME(getByteVolatile_name):
1408 case vmSymbols::VM_SYMBOL_ENUM_NAME(getShortVolatile_name):
1409 case vmSymbols::VM_SYMBOL_ENUM_NAME(getCharVolatile_name):
1410 case vmSymbols::VM_SYMBOL_ENUM_NAME(getIntVolatile_name):
1411 case vmSymbols::VM_SYMBOL_ENUM_NAME(getLongVolatile_name):
1412 case vmSymbols::VM_SYMBOL_ENUM_NAME(getFloatVolatile_name):
1413 case vmSymbols::VM_SYMBOL_ENUM_NAME(getDoubleVolatile_name):
1414 case vmSymbols::VM_SYMBOL_ENUM_NAME(putObjectVolatile_name):
1415 case vmSymbols::VM_SYMBOL_ENUM_NAME(putBooleanVolatile_name):
1416 case vmSymbols::VM_SYMBOL_ENUM_NAME(putByteVolatile_name):
1417 case vmSymbols::VM_SYMBOL_ENUM_NAME(putShortVolatile_name):
1418 case vmSymbols::VM_SYMBOL_ENUM_NAME(putCharVolatile_name):
1419 case vmSymbols::VM_SYMBOL_ENUM_NAME(putIntVolatile_name):
1420 case vmSymbols::VM_SYMBOL_ENUM_NAME(putLongVolatile_name):
1421 case vmSymbols::VM_SYMBOL_ENUM_NAME(putFloatVolatile_name):
1422 case vmSymbols::VM_SYMBOL_ENUM_NAME(putDoubleVolatile_name):
1423 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAddress_name):
1424 case vmSymbols::VM_SYMBOL_ENUM_NAME(putAddress_name):
1425 case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapObject_name):
1426 case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapLong_name):
1427 case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapInt_name):
1428 case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedObject_name):
1429 case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedLong_name):
1430 case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedInt_name):
1431 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndAddInt_name):
1432 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndAddLong_name):
1433 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetInt_name):
1434 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetLong_name):
1435 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetObject_name):
1436 case vmSymbols::VM_SYMBOL_ENUM_NAME(park_name):
1437 case vmSymbols::VM_SYMBOL_ENUM_NAME(unpark_name):
1438 return true;
1439 }
1440
1441 return false;
1442 }
1443
1444 // These two methods are static since a GC may move the Method
1445 bool Method::load_signature_classes(methodHandle m, TRAPS) {
1446 if (!THREAD->can_call_java()) {
1447 // There is nothing useful this routine can do from within the Compile thread.
1448 // Hopefully, the signature contains only well-known classes.
1449 // We could scan for this and return true/false, but the caller won't care.
1450 return false;
1451 }
1452 bool sig_is_loaded = true;
1453 Handle class_loader(THREAD, m->method_holder()->class_loader());
1454 Handle protection_domain(THREAD, m->method_holder()->protection_domain());
1455 ResourceMark rm(THREAD);
1456 Symbol* signature = m->signature();
1457 for(SignatureStream ss(signature); !ss.is_done(); ss.next()) {
1458 if (ss.is_object()) {
1459 Symbol* sym = ss.as_symbol(CHECK_(false));
1460 Symbol* name = sym;
1461 Klass* klass = SystemDictionary::resolve_or_null(name, class_loader,
1462 protection_domain, THREAD);
1463 // We are loading classes eagerly. If a ClassNotFoundException or
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