> "This __sync_() stuff seems to be used in several places in GCC. So, > changing libbacktrace is probably not enough. We need a general solution > for the __sync_() builtins on RTEMS. I don't think GCC can be changed to > emit __atomic_() calls for the __sync_() builtins (I would still try to > ask). The libgcc or libatomic is probably a good place to add them for > RTEMS as functions implemented via __atomic_() builtins." > > Could someone give me some recommendations on what would be the best > solution to fix the problem and maybe some pointers on how to start?
I'm not sure backtrace support has much interest on embedded platforms and I don't think implementing atomic operations makes any sense on LEON2, so the best thing to do is probably to kludge around it in libgfortran. -- Eric Botcazou
