K 10 svn:author V 6 andrew K 8 svn:date V 27 2014-12-21T21:38:12.478407Z K 7 svn:log V 311 Fix the unwinder to get past functions with no stack but may cause an exception. In this case no registers will be updated but the link register will be copied to the program counter to be used to find the calling function. In this case the program counter may be updated and we should continue with the trace. END