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Type: Enhancement
Resolution: Fixed
Priority: P3
Fix Version/s: 16
Affects Version/s: None
Component/s: core-libs
Labels:
- lookup_defineClass
- vm_anonymous_class

Subcomponent:
java.lang.invoke
Resolved In Build:
b27

One feature of `Unsafe::defineAnonymousClass` is constant pool patching that is used by LambdaForm and few external libraries [1].

One idea is to allow a dynamically generated class be defined with a class data which can only be obtained by a full-power lookup (e.g. `Lookup::classData` method).

[1] http://jigsaw-dev.1059479.n5.nabble.com/Remove-sun-misc-Unsafe-defineAnonymousClass-td5715601.html

csr for

JDK-8256214 Class data support for hidden classes

Closed

is blocked by

JDK-8243492 SIGSEGV when getting class data via condy from a virtual method

Closed

relates to

JDK-8238693 Two JCK api/java_lang/invoke/MethodHandles/Lookup tests fail in valhalla nestmates repo

Closed

JDK-8243287 Removal of Unsafe::defineAnonymousClass

Resolved

JDK-8242451 ensure semantics of non-capturing lambdas are preserved independent of execution mode

Resolved

JDK-8209679 JVM support for "classData"

Closed

JDK-8171335 MethodHandle.Lookup functionality to define a nestmate class

Closed

links to

Commit openjdk/jdk/4356469a

Review openjdk/jdk/1171

(2 relates to, 2 links to)

There are no Sub-Tasks for this issue.

Assignee:: Mandy Chung

Reporter:: Mandy Chung

Votes:: 0 Vote for this issue

Watchers:: 10 Start watching this issue

Created:: 2019-09-03 10:13

Updated:: 2020-12-07 15:29

Resolved:: 2020-11-30 16:25

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