RFR: 8337753: Target class of upcall stub may be unloaded

[Maurizio Cimadamore]

On Thu, 8 Aug 2024 12:06:18 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> I guess that upcalls are less performance critical

Think of something like `qsort`, or OpenGL calling the "repaint" function, or, with something like `jextract` , calling the clang cursor visitor. While using upcalls might be rare, the kind of use cases where you need upcalls typically fall into the bucket where the same upcall is used a gazillion time within a certain downcall. Then, it becomes performance critical.

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PR Comment: https://git.openjdk.org/jdk/pull/20479#issuecomment-2326871347