dev/i386/unix_signal.c

162 	struct uthread * ut;
168 	ut = get_bsdthread_info(thread);
173 	oonstack = ut->uu_sigstk.ss_flags & SA_ONSTACK;
219 		if ((ut->uu_flag & UT_ALTSTACK) && !oonstack &&
221 			ua_sp = ut->uu_sigstk.ss_sp;
222 			stack_size = ut->uu_sigstk.ss_size;
224 			ut->uu_sigstk.ss_flags |= SA_ONSTACK;
333 		if ((ut->uu_flag & UT_ALTSTACK) && !oonstack &&
335 			ua_sp = ut->uu_sigstk.ss_sp;
336 			stack_size = ut->uu_sigstk.ss_size;
338 			ut->uu_sigstk.ss_flags |= SA_ONSTACK;
412 			switch (ut->uu_code) {
427 			if (ut->uu_code == EXC_I386_DIV) {
430 			else if (ut->uu_code == EXC_I386_INTO) {
433 			else if (ut->uu_subcode & (1 << FP_ZE)) {
435 			} else if (ut->uu_subcode & (1 << FP_OE)) {
437 			} else if (ut->uu_subcode & (1 << FP_UE)) {
439 			} else if (ut->uu_subcode & (1 << FP_PE)) {
441 			} else if (ut->uu_subcode & (1 << FP_IE)) {
457 			switch (ut->uu_code) {
528         bzero((caddr_t)&(ut->t_dtrace_siginfo), sizeof(ut->t_dtrace_siginfo));
530         ut->t_dtrace_siginfo.si_signo = sinfo64.si_signo;
531         ut->t_dtrace_siginfo.si_code = sinfo64.si_code;
532         ut->t_dtrace_siginfo.si_pid = sinfo64.si_pid;
533         ut->t_dtrace_siginfo.si_uid = sinfo64.si_uid;
534         ut->t_dtrace_siginfo.si_status = sinfo64.si_status;
536         ut->t_dtrace_siginfo.si_addr = CAST_DOWN(void *, sinfo64.si_addr);
541 			DTRACE_PROC2(fault, int, (int)(ut->uu_code), siginfo_t *, &(ut->t_dtrace_siginfo));
548 		DTRACE_PROC3(signal__handle, int, sig, siginfo_t *, &(ut->t_dtrace_siginfo),
567         bzero((caddr_t)&(ut->t_dtrace_siginfo), sizeof(ut->t_dtrace_siginfo));
569         ut->t_dtrace_siginfo.si_signo = sinfo32.si_signo;
570         ut->t_dtrace_siginfo.si_code = sinfo32.si_code;
571         ut->t_dtrace_siginfo.si_pid = sinfo32.si_pid;
572         ut->t_dtrace_siginfo.si_uid = sinfo32.si_uid;
573         ut->t_dtrace_siginfo.si_status = sinfo32.si_status;
574         ut->t_dtrace_siginfo.si_addr = CAST_DOWN(void *, sinfo32.si_addr);
579 			DTRACE_PROC2(fault, int, (int)(ut->uu_code), siginfo_t *, &(ut->t_dtrace_siginfo));
585 		DTRACE_PROC3(signal__handle, int, sig, siginfo_t *, &(ut->t_dtrace_siginfo),
628 	ut->uu_sigmask &= ~sig;
656 	struct uthread * ut;
669 	ut = (struct uthread *)get_bsdthread_info(thread);
676 		ut->uu_sigstk.ss_flags |= SA_ONSTACK;
679 		ut->uu_sigstk.ss_flags &= ~SA_ONSTACK;
696 		ut->uu_sigmask = uctx64.uc_sigmask & ~sigcantmask;
723 		ut->uu_sigmask = uctx32.uc_sigmask & ~sigcantmask;
742 		ut->uu_sigstk.ss_flags |= SA_ONSTACK;
744 		ut->uu_sigstk.ss_flags &= ~SA_ONSTACK;
746 	if (ut->uu_siglist & ~ut->uu_sigmask)