-#if defined __FreeBSD__
- SHOW("__FreeBSD__ case");
- interrupt_install_low_level_handler(SIGBUS, memory_fault_handler);
-#elif defined __OpenBSD__
- FSHOW((stderr, "/__OpenBSD__ case, SIGSEGV=%d\n", SIGSEGV));
- interrupt_install_low_level_handler(SIGSEGV, memory_fault_handler);
-#else
-#error unsupported BSD variant
-#endif