[jdk11u-dev] RFR: 8271490: [ppc] [s390]: Crash in JavaThread::pd_get_top_frame_for_profiling

[Lutz Schmidt]

On Mon, 13 Sep 2021 10:49:21 GMT, Lutz Schmidt <lucy at openjdk.org> wrote:

> Please review this backport PR.
> 
> The original change did not apply cleanly for three minor reasons (frame_ppc.cpp and frame_s390.cpp):
>  - The stack range check function is_in_stack_range_excl() does not exist in jdk11. Explicit code used instead.
>  - Some rephrased comment.
>  - Reusing a boolean value instead of recalculating it.
> 
> Crashes attributable to code fixed with this patch are observed in jdk11 jfr tests.

Finally, tests on linuxppcle and linuxs390 ran. No issues detected. Ready to integrate.

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/333