RFR: 8350182: [s390x] Relativize locals in interpreter frames

[Andrew Haley]

On Mon, 17 Feb 2025 09:53:37 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> Port for [JDK-8299795](https://bugs.openjdk.org/browse/JDK-8299795) Relativize Z_locals in interpreter frame for s390x.
> 
> Tier1  test with fastdebug vm are clean.

src/hotspot/cpu/s390/frame_s390.hpp line 336:

> 334: #define _z_ijava_idx(_component) \
> 335:         (_z_ijava_state_neg(_component) >> LogBytesPerWord)
> 336: 

Should this be a function?
Also, names starting with `_` aren't common in HotSpot code, except for fields in C++ objects.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23660#discussion_r1959561970