On Mon, 12 Jan 2026 11:37:17 GMT, Martin Doerr <[email protected]> wrote:
>>> It's unfortunate that the FFM doesn't provide a good abstraction for >>> passing `uint32_t`. Maybe we should implement an enhancement? >> >> Indeed, the status quo with respect to unsigned values passed to downcalls >> is a bit suboptimal, esp. in certain ABIs where sign/zero extension is >> required. This is tracked here: >> >> https://bugs.openjdk.org/browse/JDK-8336664 >> >> (apologies -- this link was already shared by @dmlloyd ) > > 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? @TheRealMDoerr I haven't used your `calling_convention_requires_int_as_long` flag in my new commit. Can you investigate the approach in a different JBS issue? ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/28931#discussion_r2688164522
