RFR: 8339416: [s390x] Provide implementation for resolve_global_jobject [v3]

[Martin Doerr]

On Tue, 17 Sep 2024 10:58:23 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

>> This PR provides "resolve_global_jobject" method implementation for s390x-port. 
>> 
>> Testing:
>> * Tier1 test with Fastdebug; 
>> * Added these changes on top of https://github.com/openjdk/jdk/pull/20479 and modified the call in the stubGenerator_s390.cpp file; 
>> *  1. Ran tier1 test with a call to  "resolve_jobect"
>> *  2. Ran tier1 test with a call to  "resolve_global_jobject" 
>> 
>> I didn't see any new failure appearing there.
>
> Amit Kumar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   implements ModRefBarrierSetAssembler::resolve_jobject

LGTM. Note that the generic implementation of `resolve_jobject` is now unused, but will be used if ZGC or Shenandoah get implemented.

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Marked as reviewed by mdoerr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20986#pullrequestreview-2309110989