358 	struct sigframe __user *frame;  in sys_sigreturn()  local
362 	frame = (struct sigframe __user *) regs.regs[29];  in sys_sigreturn()
363 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in sys_sigreturn()
365 	if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked)))  in sys_sigreturn()
370 	sig = restore_sigcontext(&regs, &frame->sf_sc);  in sys_sigreturn()
393 	struct rt_sigframe __user *frame;  in sys_rt_sigreturn()  local
397 	frame = (struct rt_sigframe __user *) regs.regs[29];  in sys_rt_sigreturn()
398 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in sys_rt_sigreturn()
400 	if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))  in sys_rt_sigreturn()
405 	sig = restore_sigcontext(&regs, &frame->rs_uc.uc_mcontext);  in sys_rt_sigreturn()
411 	if (restore_altstack(&frame->rs_uc.uc_stack))  in sys_rt_sigreturn()
432 	struct sigframe __user *frame;  in setup_frame()  local
435 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_frame()
436 	if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))  in setup_frame()
439 	err |= setup_sigcontext(regs, &frame->sf_sc);  in setup_frame()
440 	err |= __copy_to_user(&frame->sf_mask, set, sizeof(*set));  in setup_frame()
456 	regs->regs[ 6] = (unsigned long) &frame->sf_sc;  in setup_frame()
457 	regs->regs[29] = (unsigned long) frame;  in setup_frame()
463 	       frame, regs->cp0_epc, regs->regs[31]);  in setup_frame()
471 	struct rt_sigframe __user *frame;  in setup_rt_frame()  local
474 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
475 	if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))  in setup_rt_frame()
479 	err |= copy_siginfo_to_user(&frame->rs_info, &ksig->info);  in setup_rt_frame()
482 	err |= __put_user(0, &frame->rs_uc.uc_flags);  in setup_rt_frame()
483 	err |= __put_user(NULL, &frame->rs_uc.uc_link);  in setup_rt_frame()
484 	err |= __save_altstack(&frame->rs_uc.uc_stack, regs->regs[29]);  in setup_rt_frame()
485 	err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext);  in setup_rt_frame()
486 	err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
502 	regs->regs[ 5] = (unsigned long) &frame->rs_info;  in setup_rt_frame()
503 	regs->regs[ 6] = (unsigned long) &frame->rs_uc;  in setup_rt_frame()
504 	regs->regs[29] = (unsigned long) frame;  in setup_rt_frame()
510 	       frame, regs->cp0_epc, regs->regs[31]);  in setup_rt_frame()