138 sys_sigaction(int sig, const struct old_sigaction *act,  in sys_sigaction()  argument
155 	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);  in sys_sigaction()
163 		__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);  in sys_sigaction()
220 	if (__copy_from_user(&set.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE))  in sys_sigreturn()
300 static inline int map_signal(int sig)  in map_signal()  argument
304 	    && sig < 32)  in map_signal()
305 		return current->exec_domain->signal_invmap[sig];  in map_signal()
307 		return sig;  in map_signal()
310 static void setup_frame(int sig, struct k_sigaction *ka,  in setup_frame()  argument
317 	if (__copy_to_user(&frame->sc.oldmask, &set->sig, _SIGMASK_COPY_SIZE))  in setup_frame()
345 	regs->gprs[2] = map_signal(sig);  in setup_frame()
355 	if (sig == SIGSEGV)  in setup_frame()
360 static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,  in setup_rt_frame()  argument
402 	regs->gprs[2] = map_signal(sig);  in setup_rt_frame()
408 	if (sig == SIGSEGV)  in setup_rt_frame()
418 handle_signal(unsigned long sig, struct k_sigaction *ka,  in handle_signal()  argument
443 		setup_rt_frame(sig, ka, info, oldset, regs);  in handle_signal()
445 		setup_frame(sig, ka, oldset, regs);  in handle_signal()
453 		sigaddset(&current->blocked,sig);  in handle_signal()
533 		ka = &current->sig->action[signr-1];  in do_signal()
560 				struct signal_struct *sig;  in do_signal()  local
563 				sig = current->p_pptr->sig;  in do_signal()
564 				if (sig && !(sig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDSTOP))  in do_signal()