1336 // see if the klass name is well-known: |
1336 // see if the klass name is well-known: |
1337 Symbol* klass_name = ik->name(); |
1337 Symbol* klass_name = ik->name(); |
1338 return vmSymbols::find_sid(klass_name); |
1338 return vmSymbols::find_sid(klass_name); |
1339 } |
1339 } |
1340 |
1340 |
1341 static bool is_unsafe_alias(vmSymbols::SID name_id) { |
|
1342 // All 70 intrinsic candidate methods from sun.misc.Unsafe in 1.8. |
|
1343 // Some have the same method name but different signature, e.g. |
|
1344 // getByte(long), getByte(Object,long) |
|
1345 switch (name_id) { |
|
1346 case vmSymbols::VM_SYMBOL_ENUM_NAME(allocateInstance_name): |
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1347 case vmSymbols::VM_SYMBOL_ENUM_NAME(copyMemory_name): |
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1348 case vmSymbols::VM_SYMBOL_ENUM_NAME(loadFence_name): |
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1349 case vmSymbols::VM_SYMBOL_ENUM_NAME(storeFence_name): |
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1350 case vmSymbols::VM_SYMBOL_ENUM_NAME(fullFence_name): |
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1351 case vmSymbols::VM_SYMBOL_ENUM_NAME(getObject_name): |
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1352 case vmSymbols::VM_SYMBOL_ENUM_NAME(getBoolean_name): |
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1353 case vmSymbols::VM_SYMBOL_ENUM_NAME(getByte_name): |
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1354 case vmSymbols::VM_SYMBOL_ENUM_NAME(getShort_name): |
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1355 case vmSymbols::VM_SYMBOL_ENUM_NAME(getChar_name): |
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1356 case vmSymbols::VM_SYMBOL_ENUM_NAME(getInt_name): |
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1357 case vmSymbols::VM_SYMBOL_ENUM_NAME(getLong_name): |
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1358 case vmSymbols::VM_SYMBOL_ENUM_NAME(getFloat_name): |
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1359 case vmSymbols::VM_SYMBOL_ENUM_NAME(getDouble_name): |
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1360 case vmSymbols::VM_SYMBOL_ENUM_NAME(putObject_name): |
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1361 case vmSymbols::VM_SYMBOL_ENUM_NAME(putBoolean_name): |
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1362 case vmSymbols::VM_SYMBOL_ENUM_NAME(putByte_name): |
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1363 case vmSymbols::VM_SYMBOL_ENUM_NAME(putShort_name): |
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1364 case vmSymbols::VM_SYMBOL_ENUM_NAME(putChar_name): |
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1365 case vmSymbols::VM_SYMBOL_ENUM_NAME(putInt_name): |
|
1366 case vmSymbols::VM_SYMBOL_ENUM_NAME(putLong_name): |
|
1367 case vmSymbols::VM_SYMBOL_ENUM_NAME(putFloat_name): |
|
1368 case vmSymbols::VM_SYMBOL_ENUM_NAME(putDouble_name): |
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1369 case vmSymbols::VM_SYMBOL_ENUM_NAME(getObjectVolatile_name): |
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1370 case vmSymbols::VM_SYMBOL_ENUM_NAME(getBooleanVolatile_name): |
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1371 case vmSymbols::VM_SYMBOL_ENUM_NAME(getByteVolatile_name): |
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1372 case vmSymbols::VM_SYMBOL_ENUM_NAME(getShortVolatile_name): |
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1373 case vmSymbols::VM_SYMBOL_ENUM_NAME(getCharVolatile_name): |
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1374 case vmSymbols::VM_SYMBOL_ENUM_NAME(getIntVolatile_name): |
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1375 case vmSymbols::VM_SYMBOL_ENUM_NAME(getLongVolatile_name): |
|
1376 case vmSymbols::VM_SYMBOL_ENUM_NAME(getFloatVolatile_name): |
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1377 case vmSymbols::VM_SYMBOL_ENUM_NAME(getDoubleVolatile_name): |
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1378 case vmSymbols::VM_SYMBOL_ENUM_NAME(putObjectVolatile_name): |
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1379 case vmSymbols::VM_SYMBOL_ENUM_NAME(putBooleanVolatile_name): |
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1380 case vmSymbols::VM_SYMBOL_ENUM_NAME(putByteVolatile_name): |
|
1381 case vmSymbols::VM_SYMBOL_ENUM_NAME(putShortVolatile_name): |
|
1382 case vmSymbols::VM_SYMBOL_ENUM_NAME(putCharVolatile_name): |
|
1383 case vmSymbols::VM_SYMBOL_ENUM_NAME(putIntVolatile_name): |
|
1384 case vmSymbols::VM_SYMBOL_ENUM_NAME(putLongVolatile_name): |
|
1385 case vmSymbols::VM_SYMBOL_ENUM_NAME(putFloatVolatile_name): |
|
1386 case vmSymbols::VM_SYMBOL_ENUM_NAME(putDoubleVolatile_name): |
|
1387 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAddress_name): |
|
1388 case vmSymbols::VM_SYMBOL_ENUM_NAME(putAddress_name): |
|
1389 case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapObject_name): |
|
1390 case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapLong_name): |
|
1391 case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapInt_name): |
|
1392 case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedObject_name): |
|
1393 case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedLong_name): |
|
1394 case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedInt_name): |
|
1395 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndAddInt_name): |
|
1396 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndAddLong_name): |
|
1397 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetInt_name): |
|
1398 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetLong_name): |
|
1399 case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetObject_name): |
|
1400 case vmSymbols::VM_SYMBOL_ENUM_NAME(park_name): |
|
1401 case vmSymbols::VM_SYMBOL_ENUM_NAME(unpark_name): |
|
1402 return true; |
|
1403 } |
|
1404 |
|
1405 return false; |
|
1406 } |
|
1407 |
|
1408 void Method::init_intrinsic_id() { |
1341 void Method::init_intrinsic_id() { |
1409 assert(_intrinsic_id == vmIntrinsics::_none, "do this just once"); |
1342 assert(_intrinsic_id == vmIntrinsics::_none, "do this just once"); |
1410 const uintptr_t max_id_uint = right_n_bits((int)(sizeof(_intrinsic_id) * BitsPerByte)); |
1343 const uintptr_t max_id_uint = right_n_bits((int)(sizeof(_intrinsic_id) * BitsPerByte)); |
1411 assert((uintptr_t)vmIntrinsics::ID_LIMIT <= max_id_uint, "else fix size"); |
1344 assert((uintptr_t)vmIntrinsics::ID_LIMIT <= max_id_uint, "else fix size"); |
1412 assert(intrinsic_id_size_in_bytes() == sizeof(_intrinsic_id), ""); |
1345 assert(intrinsic_id_size_in_bytes() == sizeof(_intrinsic_id), ""); |
1454 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle): |
1387 case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_MethodHandle): |
1455 if (!is_native()) break; |
1388 if (!is_native()) break; |
1456 id = MethodHandles::signature_polymorphic_name_id(method_holder(), name()); |
1389 id = MethodHandles::signature_polymorphic_name_id(method_holder(), name()); |
1457 if (is_static() != MethodHandles::is_signature_polymorphic_static(id)) |
1390 if (is_static() != MethodHandles::is_signature_polymorphic_static(id)) |
1458 id = vmIntrinsics::_none; |
1391 id = vmIntrinsics::_none; |
1459 break; |
|
1460 |
|
1461 case vmSymbols::VM_SYMBOL_ENUM_NAME(sun_misc_Unsafe): |
|
1462 // Map sun.misc.Unsafe to jdk.internal.misc.Unsafe |
|
1463 if (!is_unsafe_alias(name_id)) break; |
|
1464 // pretend it is the corresponding method in the internal Unsafe class: |
|
1465 klass_id = vmSymbols::VM_SYMBOL_ENUM_NAME(jdk_internal_misc_Unsafe); |
|
1466 id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags); |
|
1467 break; |
1392 break; |
1468 } |
1393 } |
1469 |
1394 |
1470 if (id != vmIntrinsics::_none) { |
1395 if (id != vmIntrinsics::_none) { |
1471 // Set up its iid. It is an alias method. |
1396 // Set up its iid. It is an alias method. |