JDK-8205939 : JVM support to replace Unsafe.defineAnonymousClass
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 12
  • Priority: P3
  • Status: Resolved
  • Resolution: Duplicate
  • Submitted: 2018-06-27
  • Updated: 2020-04-21
  • Resolved: 2020-04-21
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
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JDK 15
15Resolved
Related Reports
Blocks :  
JDK-8241934 - Simplify parse_stream() and remove has_class_mirror_holder_cld()
Duplicate :  
JDK-8238358 - Implementation of JEP 371: Hidden Classes
Duplicate :  
JDK-8172672 - Unsafe.defineAnonymousClass should not require non-null host class argument
Relates :  
JDK-8223527 - Clean up JVM implementation of hidden classes
Relates :  
JDK-8209301 - JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
Relates :  
JDK-8187338 - Per anonymous class class loader data is costly
Relates :  
JDK-8235690 - [nestmates] InstanceKlass::signature_name returns incorrect hidden class name
Relates :  
JDK-8243287 - Removal of Unsafe::defineAnonymousClass
Relates :  
JDK-8230816 - Consolidate classData and dynamic_nest_host into a new ClassLoadInfo data structure
Sub Tasks
JDK-8216581 :  
Add support in JFR for hidden classes - Resolved
JDK-8216582 :  
Add support for hidden classes to the serviceability agent - Open
JDK-8230928 :  
[TESTBUG] Add hotspot tests for hidden classes and weak classes - Resolved
JDK-8230932 :  
Add support in dcmd for hidden classes - Resolved
JDK-8230935 :  
[nestmates] update jdk.vm.ci.runtime.test.TestResolvedJavaType test to verify lambdas as hidden class - Resolved
JDK-8230972 :  
Rename JVM nonFindable usage to hidden - Resolved
Description
JVM support for new MethodHandle.Lookup defineClass which will replace Unsafe.defineAnonymousClass.