RFR: 8316694: Implement relocation of nmethod within CodeCache [v24]

[Chad Rakoczy]

On Mon, 21 Jul 2025 15:42:32 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>>> We’re hoping to get this into JDK 25, as it would simplify both development and backporting of features related to hot code grouping. That said, if the consensus is that JVMTI/JFR support is essential upfront, this can be delayed until JDK 26.
>> 
>> I don't think this can be put into JDK 25. Too late and changes are not simple. And yes, JVMTI/JFR support is essential - you have to support all public functionalities of VM.
>
>> @vnkozlov When you get a chance, would you mind taking another look at this PR?
> 
> @chadrako I promise to look soon but currently I am busy with Leyden before JVMLS.

@vnkozlov I added the experimental flag to allow usage of nmethod::relocate like we discussed at JVMLS

-------------

PR Comment: https://git.openjdk.org/jdk/pull/23573#issuecomment-3177025017