jextract generates downcallHandles where I need upcallStubs

[Sebastian Stenzel]

Great to hear this is merely a bug. Thanks for digging into this despite my inaccurate wording.


> On 15. Dec 2020, at 13:54, Maurizio Cimadamore <maurizio.cimadamore at oracle.com> wrote:
> 
> 
> On 15/12/2020 12:45, Maurizio Cimadamore wrote:
>> This is, I think, the bit of ingredient that's missing - and I think it's a plain bug: while jextract looks at regular function to see if their signature mentions a function pointer, the same is not done for struct fields. 
> 
> Filed this:
> 
> https://bugs.openjdk.java.net/browse/JDK-8258405
> 
> Thanks again
> Maurizio
>