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[rtems-users] C++ Virtual Functions
Smith, Gene writes:
> I am having some problems running code containing C++ virtual functions in
> rtems. When the code tries to branch to a virtual function address using
> "bctrl" instruction, the address (in ctr) is way out of range and results in
> a machine check exception.
> Is there anything I need to do special in rtems for virtual functions to
> work? Is anyone using virtual functions, pure or impure, in rtems? I am
> still using rtems 4.6.1 and my ppc40x-derived bsp.
This is generally caused by problem with the linkscript where the
various tables are set up incorrectly. The motorola_shared bsp link
script works, so you might compare them for discrepancies. It might
also be related to your gcc- but I'd check the linkscript first.