RFR: 8308293: A linker should expose the layouts it supports [v3]

[Paul Sandoz]

On Fri, 19 May 2023 22:57:39 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> > This look much better. Can we strengthen the specification of `canonicalLayouts` in accordance with the class specification
> 
> We can't do more in that method javadoc, think, as that has to be general enough for all linkers. I think the rules set up in that method javadoc are good - e.g. the set of layouts should be stable (both in terms of names and layout types).
> 
> What we can do is to sprinkle some wording in the `nativeLinker` factory - e.g. `the native linker is guaranteed to provide canonical layouts for basic C types <link to the class section>`.

Yes, that's better.

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PR Comment: https://git.openjdk.org/jdk/pull/14037#issuecomment-1555361325