FPE_INTOVF
trapsignal(p, SIGFPE, type & ~T_USER, FPE_INTOVF, sv);
trapsignal(p, SIGFPE, type &~ T_USER, FPE_INTOVF, sv);
trapsignal(p, SIGFPE, frame->tf_err, FPE_INTOVF, sv);
fault_type = FPE_INTOVF;
fault_type = FPE_INTOVF;
trapsignal(p, SIGFPE, FPE_INTOVF_TRAP, FPE_INTOVF, sv);
case FPE_INTOVF: