597 	struct sigframe __user *frame;  in sys_sigreturn()  local
601 	frame = (struct sigframe __user *) regs.regs[29];  in sys_sigreturn()
602 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in sys_sigreturn()
604 	if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked)))  in sys_sigreturn()
609 	sig = restore_sigcontext(&regs, &frame->sf_sc);  in sys_sigreturn()
632 	struct rt_sigframe __user *frame;  in sys_rt_sigreturn()  local
636 	frame = (struct rt_sigframe __user *) regs.regs[29];  in sys_rt_sigreturn()
637 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in sys_rt_sigreturn()
639 	if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))  in sys_rt_sigreturn()
644 	sig = restore_sigcontext(&regs, &frame->rs_uc.uc_mcontext);  in sys_rt_sigreturn()
650 	if (restore_altstack(&frame->rs_uc.uc_stack))  in sys_rt_sigreturn()
671 	struct sigframe __user *frame;  in setup_frame()  local
674 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_frame()
675 	if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))  in setup_frame()
678 	err |= setup_sigcontext(regs, &frame->sf_sc);  in setup_frame()
679 	err |= __copy_to_user(&frame->sf_mask, set, sizeof(*set));  in setup_frame()
695 	regs->regs[ 6] = (unsigned long) &frame->sf_sc;  in setup_frame()
696 	regs->regs[29] = (unsigned long) frame;  in setup_frame()
702 	       frame, regs->cp0_epc, regs->regs[31]);  in setup_frame()
710 	struct rt_sigframe __user *frame;  in setup_rt_frame()  local
713 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
714 	if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))  in setup_rt_frame()
718 	err |= copy_siginfo_to_user(&frame->rs_info, &ksig->info);  in setup_rt_frame()
721 	err |= __put_user(0, &frame->rs_uc.uc_flags);  in setup_rt_frame()
722 	err |= __put_user(NULL, &frame->rs_uc.uc_link);  in setup_rt_frame()
723 	err |= __save_altstack(&frame->rs_uc.uc_stack, regs->regs[29]);  in setup_rt_frame()
724 	err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext);  in setup_rt_frame()
725 	err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
741 	regs->regs[ 5] = (unsigned long) &frame->rs_info;  in setup_rt_frame()
742 	regs->regs[ 6] = (unsigned long) &frame->rs_uc;  in setup_rt_frame()
743 	regs->regs[29] = (unsigned long) frame;  in setup_rt_frame()
749 	       frame, regs->cp0_epc, regs->regs[31]);  in setup_rt_frame()