RFR: 8253742: POSIX signal code cleanup [v7]

Tue Nov 17 15:41:13 UTC 2020

On Tue, 17 Nov 2020 01:46:41 GMT, David Holmes <dholmes at openjdk.org> wrote:

> I'm seeing unexpected changes relating to os::fetch_compiled_frame_from_context seemingly due to the "Merge from master".
> 
> Otherwise the actual described changes since last commit seem fine.
> 
> Once Thomas's last couple of comments are addressed this is done.
> 
> Thanks,
> David

The `ucontext_get_pc()` API needs to be in `os::Posix`, not `PosixSignals`, so that change is OK.

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PR: https://git.openjdk.java.net/jdk/pull/636