105 	struct rt_sigframe __user *frame;  in __sys_rt_sigreturn()  local
118 	frame = (struct rt_sigframe __user *)regs->UCreg_sp;  in __sys_rt_sigreturn()
120 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in __sys_rt_sigreturn()
123 	if (restore_sigframe(regs, &frame->sig))  in __sys_rt_sigreturn()
126 	if (restore_altstack(&frame->sig.uc.uc_stack))  in __sys_rt_sigreturn()
192 	void __user *frame;  in get_sigframe()  local
203 	frame = (void __user *)((sp - framesize) & ~7);  in get_sigframe()
208 	if (!access_ok(VERIFY_WRITE, frame, framesize))  in get_sigframe()
209 		frame = NULL;  in get_sigframe()
211 	return frame;  in get_sigframe()
215 	     unsigned long __user *rc, void __user *frame, int usig)  in setup_return()  argument
233 	regs->UCreg_sp = (unsigned long)frame;  in setup_return()
244 	struct sigframe __user *frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));  in setup_frame()  local
247 	if (!frame)  in setup_frame()
253 	err |= __put_user(0x5ac3c35a, &frame->uc.uc_flags);  in setup_frame()
255 	err |= setup_sigframe(frame, regs, set);  in setup_frame()
257 		err |= setup_return(regs, &ksig->ka, frame->retcode, frame,  in setup_frame()
266 	struct rt_sigframe __user *frame =  in setup_rt_frame()  local
267 			get_sigframe(&ksig->ka, regs, sizeof(*frame));  in setup_rt_frame()
270 	if (!frame)  in setup_rt_frame()
273 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_rt_frame()
275 	err |= __put_user(0, &frame->sig.uc.uc_flags);  in setup_rt_frame()
276 	err |= __put_user(NULL, &frame->sig.uc.uc_link);  in setup_rt_frame()
277 	err |= __save_altstack(&frame->sig.uc.uc_stack, regs->UCreg_sp);  in setup_rt_frame()
278 	err |= setup_sigframe(&frame->sig, regs, set);  in setup_rt_frame()
280 		err |= setup_return(regs, &ksig->ka, frame->sig.retcode, frame,  in setup_rt_frame()
288 		regs->UCreg_01 = (unsigned long)&frame->info;  in setup_rt_frame()
289 		regs->UCreg_02 = (unsigned long)&frame->sig.uc;  in setup_rt_frame()