RFR: 8349652: Rewire nmethod oop load barriers

[Stefan Karlsson]

On Mon, 10 Feb 2025 12:23:12 GMT, Boris Ulasevich <bulasevich at openjdk.org> wrote:

> Good. Many thanks to you. I am looking forward to this change being integrated. My PR #21276, which builds on top of this change, now passes jtreg with -XX:+UseZGC.

Thanks and thanks for verifying that this fits with your changes!

> src/hotspot/share/gc/shared/barrierSetNMethod.hpp line 29:
> 
>> 27: 
>> 28: #include "memory/allocation.hpp"
>> 29: #include "oops/oopsHierarchy.hpp"
> 
> This is probably an unnecessary include

It's needed because I use the type `oop`. I got concrete compilation errors when Shenandoah was compiled and adding this include fixes those issues.

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

PR Comment: https://git.openjdk.org/jdk/pull/23512#issuecomment-2647908012
PR Review Comment: https://git.openjdk.org/jdk/pull/23512#discussion_r1949006110