Sebastian Huber <sebastian.huber@xxxxxxxxxxxxxxxxxx> writes: > Thanks for the hint. How can an assembler or C function throw an exception? It can raise a signal, e.g., SIGFPE, and the signal handler can throw. > Does this mean that only on GNU/Linux we need this unwind stuff? You only need it if your signal handlers can throw, or call backtrace, or otherwise try to unwind the stack. Ian