RFR: 8277489: Rewrite JAAS UnixLoginModule with FFM [v5]

[Weijun Wang]

On Mon, 12 Jan 2026 13:25:09 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> Should we use the workaround I have proposed above until a better solution for [JDK-8336664](https://bugs.openjdk.org/browse/JDK-8336664) is available? Or are there other suggestions?
>
> At the moment doing the conversion in Java and using a bigger carrier type (like `long`) is the only possible workaround.

I don't have the expertise to confirm the correctness of that code change. @mcimadamore, are you comfortable to  include the patch for PPC64 as described in https://github.com/openjdk/jdk/pull/28931#discussion_r2662361633?

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

PR Review Comment: https://git.openjdk.org/jdk/pull/28931#discussion_r2695433254