src/share/vm/oops/method.cpp
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*** 1355,1373 ****
--- 1355,1448 ----
if (!is_native()) break;
id = MethodHandles::signature_polymorphic_name_id(method_holder(), name());
if (is_static() != MethodHandles::is_signature_polymorphic_static(id))
id = vmIntrinsics::_none;
break;
+
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(sun_misc_Unsafe):
+ // Map sun.misc.Unsafe to jdk.internal.misc.Unsafe
+ if (!is_unsafe_alias(name_id)) break;
+ // pretend it is the corresponding method in the internal Unsafe class:
+ klass_id = vmSymbols::VM_SYMBOL_ENUM_NAME(jdk_internal_misc_Unsafe);
+ id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags);
+ break;
}
if (id != vmIntrinsics::_none) {
// Set up its iid. It is an alias method.
set_intrinsic_id(id);
return;
}
}
+ bool Method::is_unsafe_alias(vmSymbols::SID name_id) {
+ // All 70 intrinsic candidate methods from sun.misc.Unsafe in 1.8.
+ // Some have the same method name but different signature, e.g.
+ // getByte(long), getByte(Object,long)
+ switch (name_id) {
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(allocateInstance_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(copyMemory_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(loadFence_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(storeFence_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(fullFence_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getObject_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getBoolean_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getByte_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getShort_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getChar_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getInt_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getLong_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getFloat_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getDouble_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putObject_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putBoolean_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putByte_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putShort_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putChar_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putInt_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putLong_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putFloat_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putDouble_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getObjectVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getBooleanVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getByteVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getShortVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getCharVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getIntVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getLongVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getFloatVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getDoubleVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putObjectVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putBooleanVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putByteVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putShortVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putCharVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putIntVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putLongVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putFloatVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putDoubleVolatile_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getAddress_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putAddress_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapObject_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapLong_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(compareAndSwapInt_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedObject_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedLong_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(putOrderedInt_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndAddInt_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndAddLong_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetInt_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetLong_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(getAndSetObject_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(park_name):
+ case vmSymbols::VM_SYMBOL_ENUM_NAME(unpark_name):
+ return true;
+ }
+
+ return false;
+ }
+
// These two methods are static since a GC may move the Method
bool Method::load_signature_classes(methodHandle m, TRAPS) {
if (!THREAD->can_call_java()) {
// There is nothing useful this routine can do from within the Compile thread.
// Hopefully, the signature contains only well-known classes.