RFR: 8341832: Incorrect continuation address of synthetic SIGSEGV for APX in product builds

[Sandhya Viswanathan]

On Wed, 9 Oct 2024 08:09:29 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> - Enable APX EGPRs state save restoration check which triggers synthetic SIGSEGV and verifies modified EGPRs state across OS signal handling for non-product builds to match with [corresponding logic in signal handlers.](https://github.com/openjdk/jdk/blob/master/src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp#L251)
> 
> - Currently we haven't enabled APX support in product builds and intend to do so once entire planned support ([JDK-8329030](https://bugs.openjdk.org/browse/JDK-8329030)) is validated and checked into JDK-mainline, we are following incremental development approach for APX and hence don't want partial APX support to be enabled in intermediate releases.
> 
> Kindly review.
> 
> Best Regards,
> Jatin

Looks good to me.

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Marked as reviewed by sviswanathan (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21419#pullrequestreview-2357643470