37 static int restore_sigcontext(struct pt_regs *regs,  in restore_sigcontext()  argument
48 #define COPY(x) err |= __get_user(regs->x, &sc->x)  in restore_sigcontext()
69 		regs->epsw = (regs->epsw & ~USER_EPSW) |  in restore_sigcontext()
71 		regs->orig_d0 = -1;		/* disable syscall checks */  in restore_sigcontext()
158 			    struct pt_regs *regs,  in setup_sigcontext()  argument
163 #define COPY(x) err |= __put_user(regs->x, &sc->x)  in setup_sigcontext()
190 					struct pt_regs *regs,  in get_sigframe()  argument
193 	unsigned long sp = sigsp(regs->sp, ksig);  in get_sigframe()
202 		       struct pt_regs *regs)  in setup_frame()  argument
207 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_frame()
216 	if (setup_sigcontext(&frame->sc, &frame->fpuctx, regs, set->sig[0]))  in setup_frame()
246 	regs->sp = (unsigned long) frame;  in setup_frame()
247 	regs->pc = (unsigned long) ksig->ka.sa.sa_handler;  in setup_frame()
248 	regs->d0 = sig;  in setup_frame()
249 	regs->d1 = (unsigned long) &frame->sc;  in setup_frame()
253 	       sig, current->comm, current->pid, frame, regs->pc,  in setup_frame()
264 			  struct pt_regs *regs)  in setup_rt_frame()  argument
269 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
283 	    __save_altstack(&frame->uc.uc_stack, regs->sp) ||  in setup_rt_frame()
285 			     &frame->fpuctx, regs, set->sig[0]) ||  in setup_rt_frame()
312 	regs->sp = (unsigned long) frame;  in setup_rt_frame()
313 	regs->pc = (unsigned long) ksig->ka.sa.sa_handler;  in setup_rt_frame()
314 	regs->d0 = sig;  in setup_rt_frame()
315 	regs->d1 = (long) &frame->info;  in setup_rt_frame()
319 	       sig, current->comm, current->pid, frame, regs->pc,  in setup_rt_frame()
326 static inline void stepback(struct pt_regs *regs)  in stepback()  argument
328 	regs->pc -= 2;  in stepback()
329 	regs->orig_d0 = -1;  in stepback()
335 static int handle_signal(struct ksignal *ksig, struct pt_regs *regs)  in handle_signal()  argument
341 	if (regs->orig_d0 >= 0) {  in handle_signal()
343 		switch (regs->d0) {  in handle_signal()
346 			regs->d0 = -EINTR;  in handle_signal()
351 				regs->d0 = -EINTR;  in handle_signal()
357 			regs->d0 = regs->orig_d0;  in handle_signal()
358 			stepback(regs);  in handle_signal()
364 		ret = setup_rt_frame(ksig, oldset, regs);  in handle_signal()
366 		ret = setup_frame(ksig, oldset, regs);  in handle_signal()
375 static void do_signal(struct pt_regs *regs)  in do_signal()  argument
380 		handle_signal(&ksig, regs);  in do_signal()
385 	if (regs->orig_d0 >= 0) {  in do_signal()
387 		switch (regs->d0) {  in do_signal()
391 			regs->d0 = regs->orig_d0;  in do_signal()
392 			stepback(regs);  in do_signal()
396 			regs->d0 = __NR_restart_syscall;  in do_signal()
397 			stepback(regs);  in do_signal()
411 asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags)  in do_notify_resume()  argument
416 		regs->epsw |= EPSW_T;  in do_notify_resume()
425 		do_signal(regs);  in do_notify_resume()