DO_ERROR_INFO
#define DO_ERROR_INFO(signr, str, name, sicode) \
DO_ERROR_INFO(SIGILL, "Priv Op/Disabled Extn", do_privilege_fault, ILL_PRVOPC)
#define DO_ERROR_INFO(name, signo, code, str) \
#define DO_ERROR_INFO(name, signo, code, str) \
#define DO_ERROR_INFO(name, signr, sicode, str) \
DO_ERROR_INFO(addressing_exception, SIGILL, ILL_ILLADR, "addressing exception")