RFR: 8351194: Clean up Hotspot SA after 32-bit x86 removal [v9]

[duke]

On Thu, 6 Nov 2025 11:16:58 GMT, Kerem Kat <krk at openjdk.org> wrote:

>> Remove 32-bit x86 specific code from the HotSpot Serviceability Agent following the removal of 32-bit x86 support.
>> 
>> - Removed x86-specific implementations and ifdef blocks.
>> - Renamed files with X86 in the name when they are also used from AMD64, e.g. `X86Frame` → `AMD64Frame`.
>> - Cleaned up platform detection logic in `PlatformInfo`.
>> - Updated documentation references.
>
> Kerem Kat has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 11 commits:
> 
>  - Merge branch 'master' into clean-x86-sa-JDK-8351194
>  - Erase obsolete comments
>  - Update src/jdk.hotspot.agent/doc/hsdb.html
>    
>    Co-authored-by: Chris Plummer <chris.plummer at oracle.com>
>  - Merge branch 'master' into clean-x86-sa-JDK-8351194
>  - fix comments
>  - Revert "run RotateLeftNode*IdealizationTests on amd64 too"
>    
>    This reverts commit 1011b304f7cb4d195efc9239acd7784053c67cc1.
>  - requires hsdis
>  - run RotateLeftNode*IdealizationTests on amd64 too
>  - Merge branch 'master' into clean-x86-sa-JDK-8351194
>  - Merge branch 'master' into clean-x86-sa-JDK-8351194
>  - ... and 1 more: https://git.openjdk.org/jdk/compare/093e1287...7b67d1e8

@krk 
Your change (at version 7b67d1e8a04de7183c9b780cae26b1f2489e2e17) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/27844#issuecomment-3497408352