41 rt_restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *pr0)  in rt_restore_sigcontext()  argument
49 #define RESTORE(x) err |= __get_user(regs->x, &sc->sc_##x)  in rt_restore_sigcontext()
74 	regs->orig_p0 = -1;	/* disable syscall checks */  in rt_restore_sigcontext()
76 	*pr0 = regs->r0;  in rt_restore_sigcontext()
82 	struct pt_regs *regs = current_pt_regs();  in sys_rt_sigreturn()  local
95 	if (rt_restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))  in sys_rt_sigreturn()
108 static inline int rt_setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs)  in rt_setup_sigcontext()  argument
112 #define SETUP(x) err |= __put_user(regs->x, &sc->sc_##x)  in rt_setup_sigcontext()
147 setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)  in setup_rt_frame()  argument
164 	err |= rt_setup_sigcontext(&frame->uc.uc_mcontext, regs);  in setup_rt_frame()
179 		regs->pc = pc;  in setup_rt_frame()
180 		regs->p3 = p3;  in setup_rt_frame()
182 		regs->pc = (unsigned long)ksig->ka.sa.sa_handler;  in setup_rt_frame()
184 	regs->rets = SIGRETURN_STUB;  in setup_rt_frame()
186 	regs->r0 = frame->sig;  in setup_rt_frame()
187 	regs->r1 = (unsigned long)(&frame->info);  in setup_rt_frame()
188 	regs->r2 = (unsigned long)(&frame->uc);  in setup_rt_frame()
194 handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)  in handle_restart()  argument
196 	switch (regs->r0) {  in handle_restart()
200 		regs->r0 = -EINTR;  in handle_restart()
205 			regs->r0 = -EINTR;  in handle_restart()
211 		regs->p0 = regs->orig_p0;  in handle_restart()
212 		regs->r0 = regs->orig_r0;  in handle_restart()
213 		regs->pc -= 2;  in handle_restart()
217 		regs->p0 = __NR_restart_syscall;  in handle_restart()
218 		regs->pc -= 2;  in handle_restart()
227 handle_signal(struct ksignal *ksig, struct pt_regs *regs)  in handle_signal()  argument
232 	if (regs->orig_p0 >= 0)  in handle_signal()
234 		handle_restart(regs, &ksig->ka, 1);  in handle_signal()
237 	ret = setup_rt_frame(ksig, sigmask_to_save(), regs);  in handle_signal()
251 asmlinkage void do_signal(struct pt_regs *regs)  in do_signal()  argument
255 	current->thread.esp0 = (unsigned long)regs;  in do_signal()
259 		handle_signal(&ksig, regs);  in do_signal()
264 	if (regs->orig_p0 >= 0)  in do_signal()
266 		handle_restart(regs, NULL, 0);  in do_signal()
276 asmlinkage void do_notify_resume(struct pt_regs *regs)  in do_notify_resume()  argument
279 		do_signal(regs);  in do_notify_resume()
283 		tracehook_notify_resume(regs);  in do_notify_resume()