67 	struct rt_sigframe __user *frame;  in do_rt_sigreturn()  local
81 	frame = (struct rt_sigframe __user *) ((unsigned long) regs->sp + 8);  in do_rt_sigreturn()
83 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in do_rt_sigreturn()
85 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in do_rt_sigreturn()
90 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext))  in do_rt_sigreturn()
146 	struct rt_sigframe __user *frame;  in setup_rt_frame()  local
150 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
152 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))  in setup_rt_frame()
155 	err |= __put_user(&frame->info, &frame->pinfo);  in setup_rt_frame()
156 	err |= __put_user(&frame->uc, &frame->puc);  in setup_rt_frame()
157 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_rt_frame()
160 	err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext));  in setup_rt_frame()
162 	err |= setup_sigcontext(&frame->uc.uc_mcontext,	regs, set->sig[0]);  in setup_rt_frame()
163 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
166 	retcode = (unsigned long __user *) &frame->retcode;  in setup_rt_frame()
187 	flush_icache_range((unsigned long) &frame->retcode,  in setup_rt_frame()
188 			   (unsigned long) &frame->retcode + RETCODE_SIZE);  in setup_rt_frame()
190 	retcode = (unsigned long __user *) &frame->retcode;  in setup_rt_frame()
193 	regs->sp = (unsigned long) frame - 8;  in setup_rt_frame()
205 	regs->b4 = (unsigned long)&frame->info;  in setup_rt_frame()
206 	regs->a6 = (unsigned long)&frame->uc;  in setup_rt_frame()