On Thu, 2 Mar 2023 02:41:12 GMT, Alex Menkov <amen...@openjdk.org> wrote:
> Unique vtables for classes in vmStruct data is a requirement for SA to > correctly detect hotspot classes. > The fix adds test to verify this requirement. > > The test fails as expected on Windows if VM is built without RTTI (see > JDK-8302817) test/hotspot/jtreg/serviceability/sa/UniqueVtableTest.java line 84: > 82: MethodHandles.Lookup classLookup = > MethodHandles.privateLookupIn(BasicTypeDataBase.class, lookup); > 83: vtblForType = classLookup.findVirtual(BasicTypeDataBase.class, > "vtblForType", > 84: MethodType.methodType(Address.class, Type.class)); I think it would be ok to just make vtblForType() public so you won't need to use reflection. The public SA APIs are not a spec. We are free to do things in the future that are not backwards compatible. ------------- PR: https://git.openjdk.org/jdk/pull/12820