ILL_COPROC
trapsignal(p, SIGILL, type & ~T_USER, ILL_COPROC, sv);
trapsignal(p, SIGILL, type &~ T_USER, ILL_COPROC, sv);
trapsignal(p, SIGILL, expevt & ~EXP_USER, ILL_COPROC, sv);
trapsignal(p, SIGILL, 0, ILL_COPROC, sv);