64bit (g)fortran JNI

[Jerry DeLisle]

On 04/12/2011 07:38 AM, Hans Horn wrote:
> Folks,
>
> has anybody got any experience interfacing (g)fortran routines with Java via JNI?
>
> I'm on 64bit Windows7 using cygwin
> x86_64-w64-mingw32-gcc and x86_64-w64-mingw32-gfortran, both v4.5.2
>
> Java: jdk-6u24-windows-x64
>
> Even though I can statically link the JNI code successfully (using gfortran as
> linker), calling any native method from Java crashes the JVM - even when no
> fortran code is called at all.
>
What do you mean by native method?  Are you trying to call Fortran procedures 
from Java?

In what way does it crash?  Can you get a back trace from a debugger?

Jerry

PS I have no experience with this, just asking some questions to glean 
additional information. Fortran calling conventions are no exactly the same as C.

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