RFR: 8354937: Cleanup some sparc related coding in os_linux

[Matthias Baesken]

On Wed, 5 Nov 2025 08:42:52 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> There is still some SPARC related coding remaining in os_linux, but we do not support Linux on SPARC for quite some time.
> 
> (there is more SPARC coding for detecting Sparc shared libs but I kept, that for now; not sure how important this is these days see https://github.com/openjdk/jdk/blob/master/src/hotspot/os/linux/os_linux.cpp#L1762  )

Thanks for the reviews !

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PR Comment: https://git.openjdk.org/jdk/pull/28143#issuecomment-3495820677