Unfortunately there are no examples for C++ usage currently. We have used C++ with the FX3 library on the ARM RVDS tool chain, and had to update the startup code (*_startup.s) and the scatter file (.scat for RVDS, fx3.ld for gcc) to init and configure the heap.
I can try this out with gcc as well and will update you within a day or two.
do you have a solution or example now?
Sorry that I tease so much but...
May be you can tell when we can expect a solution.