RFR: 8343767: Enumerate StubGen blobs, stubs and entries and generate code from declarations [v11]

[Martin Doerr]

On Wed, 15 Jan 2025 09:49:26 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

>> Implementation of JDK-8343767
>
> Andrew Dinn has updated the pull request incrementally with four additional commits since the last revision:
> 
>  - allow repeated entries rather than stubs
>  - correct error in stub routines fill test
>  - remove unused ppc stub
>  - fix errors in s390 arraycopy code

gtest has passed on PPC64 with the latest updates. Thanks! The PPC64 code LGTM. I haven't reviewed the other code. This is only a partial review.
I think the Copyright headers of the files which were modified this year will need to get updated before integration.

GHA shows build warnings on Windows.

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Marked as reviewed by mdoerr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21957#pullrequestreview-2552253404
PR Comment: https://git.openjdk.org/jdk/pull/21957#issuecomment-2592376050