Making shared objects with GCJ

Fri May 21 14:31:00 GMT 2004

Sal wrote:
>I'm trying to build a shared object (.so, .dll) with GCJ. The purpose is
>to make libraries for projects to use from any language. I understand
>that making .dlls on windows may not work yet, so .so will be fine for me
>for the interim (I may try to cross compile later on).
>>I'm wondering is this currently possible? I know GCJ can generate .so
>files, however the exported symbols are mangled, and you need CNI, or some
>library to interoperate with them properly. I'm wondering if it would be
>possible to make a .so with 'friendly' exported symbols that can easily be
>used in any compiler that can load symbols from a .so.
>>
You would do this by writing a connecting layer in C++ or C which 
exposes your library API as extern "C" functions. These glue functions 
would then call into your java code using CNI or JNI and the invocation 
APIs.
Regards
Bryce