Bernd Schmidt writes: > David Daney wrote: > > Perhaps not in general, but one unstated premise of this whole thread is > > that for some GCC targets (most Unix like operating systems) you *can* > > count on a SIGSEGV when you dereference a null pointer. The java front > > end takes advantage of this fact to eliminate explicit checks for > > dereferencing of null pointers. > > Oh. > > Speaking of which, has anyone ported gcj to a MMU-less uClinux platform yet?
It's impossible with the current config. This is because some of libgcj is written on C++, and the C++ compiler FE does not insert checks for null pointer accesses. I wrote a small patch to do this but it was rejected. Andrew.
