96 	struct sigframe __user *frame;  in sys_sigreturn()  local
100 	frame = (struct sigframe __user *) current_frame()->sp;  in sys_sigreturn()
101 	if (verify_area(VERIFY_READ, frame, sizeof(*frame)))  in sys_sigreturn()
103 	if (__get_user(set.sig[0], &frame->sc.oldmask))  in sys_sigreturn()
107 	    __copy_from_user(&set.sig[1], &frame->extramask,  in sys_sigreturn()
108 			     sizeof(frame->extramask)))  in sys_sigreturn()
113 	if (restore_sigcontext(current_frame(), &frame->sc, &d0))  in sys_sigreturn()
128 	struct rt_sigframe __user *frame;  in sys_rt_sigreturn()  local
132 	frame = (struct rt_sigframe __user *) current_frame()->sp;  in sys_rt_sigreturn()
133 	if (verify_area(VERIFY_READ, frame, sizeof(*frame)))  in sys_rt_sigreturn()
135 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in sys_rt_sigreturn()
140 	if (restore_sigcontext(current_frame(), &frame->uc.uc_mcontext, &d0))  in sys_rt_sigreturn()
143 	if (restore_altstack(&frame->uc.uc_stack))  in sys_rt_sigreturn()
204 	struct sigframe __user *frame;  in setup_frame()  local
207 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_frame()
209 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))  in setup_frame()
212 	if (__put_user(sig, &frame->sig) < 0 ||  in setup_frame()
213 	    __put_user(&frame->sc, &frame->psc) < 0)  in setup_frame()
216 	if (setup_sigcontext(&frame->sc, &frame->fpuctx, regs, set->sig[0]))  in setup_frame()
220 		if (__copy_to_user(frame->extramask, &set->sig[1],  in setup_frame()
221 				   sizeof(frame->extramask)))  in setup_frame()
228 		if (__put_user(ksig->ka.sa.sa_restorer, &frame->pretcode))  in setup_frame()
231 		if (__put_user((void (*)(void))frame->retcode,  in setup_frame()
232 			       &frame->pretcode))  in setup_frame()
235 		if (__put_user(0x2c, (char *)(frame->retcode + 0)) ||  in setup_frame()
236 		    __put_user(__NR_sigreturn, (char *)(frame->retcode + 1)) ||  in setup_frame()
237 		    __put_user(0x00, (char *)(frame->retcode + 2)) ||  in setup_frame()
238 		    __put_user(0xf0, (char *)(frame->retcode + 3)) ||  in setup_frame()
239 		    __put_user(0xe0, (char *)(frame->retcode + 4)))  in setup_frame()
241 		flush_icache_range((unsigned long) frame->retcode,  in setup_frame()
242 				   (unsigned long) frame->retcode + 5);  in setup_frame()
246 	regs->sp = (unsigned long) frame;  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()
254 	       frame->pretcode);  in setup_frame()
266 	struct rt_sigframe __user *frame;  in setup_rt_frame()  local
269 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
271 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))  in setup_rt_frame()
274 	if (__put_user(sig, &frame->sig) ||  in setup_rt_frame()
275 	    __put_user(&frame->info, &frame->pinfo) ||  in setup_rt_frame()
276 	    __put_user(&frame->uc, &frame->puc) ||  in setup_rt_frame()
277 	    copy_siginfo_to_user(&frame->info, &ksig->info))  in setup_rt_frame()
281 	if (__put_user(0, &frame->uc.uc_flags) ||  in setup_rt_frame()
282 	    __put_user(0, &frame->uc.uc_link) ||  in setup_rt_frame()
283 	    __save_altstack(&frame->uc.uc_stack, regs->sp) ||  in setup_rt_frame()
284 	    setup_sigcontext(&frame->uc.uc_mcontext,  in setup_rt_frame()
285 			     &frame->fpuctx, regs, set->sig[0]) ||  in setup_rt_frame()
286 	    __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)))  in setup_rt_frame()
292 		if (__put_user(ksig->ka.sa.sa_restorer, &frame->pretcode))  in setup_rt_frame()
296 		if (__put_user((void(*)(void))frame->retcode,  in setup_rt_frame()
297 			       &frame->pretcode) ||  in setup_rt_frame()
299 		    __put_user(0x2c, (char *)(frame->retcode + 0)) ||  in setup_rt_frame()
301 			       (char *)(frame->retcode + 1)) ||  in setup_rt_frame()
302 		    __put_user(0x00, (char *)(frame->retcode + 2)) ||  in setup_rt_frame()
303 		    __put_user(0xf0, (char *)(frame->retcode + 3)) ||  in setup_rt_frame()
304 		    __put_user(0xe0, (char *)(frame->retcode + 4)))  in setup_rt_frame()
307 		flush_icache_range((u_long) frame->retcode,  in setup_rt_frame()
308 				   (u_long) frame->retcode + 5);  in setup_rt_frame()
312 	regs->sp = (unsigned long) frame;  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()
320 	       frame->pretcode);  in setup_rt_frame()