RFR: Split out ContinuationEntry and ContinuationWrapper classes [v2]

[Ron Pressler]

On Thu, 14 Apr 2022 19:32:26 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Moved ContinuationEntry and ContinuationWrapper to their own files.
>> There's a bit of inconsistency because 3 ContinuationEntry functions are in ContinuationHelper_cpu.inline.hpp - maybe we should have continuationEntry_cpu.inline.hpp files for just the three.
>> I'd like to change the name ContinuationEntry to ContinuationAnchor or ContinuationFrameAnchor but want to study how that would look a bit more first.
>> Tested with other platforms and testing with loom-tier1 as sanity.
>
> Coleen Phillimore has updated the pull request incrementally with three additional commits since the last revision:
> 
>  - Add continuationEntry.inline.hpp
>  - Fix CONT_JFR code - moved to continuationFreezeThaw.cpp
>  - Move constructors back.

Marked as reviewed by rpressler (Lead).

-------------

PR: https://git.openjdk.java.net/loom/pull/145