68 	struct rt_sigframe __user *frame;  in sys_rt_sigreturn()  local
74 	frame = (struct rt_sigframe __user *)regs->sp;  in sys_rt_sigreturn()
75 	pr_debug("SIG return: frame = %p\n", frame);  in sys_rt_sigreturn()
77 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in sys_rt_sigreturn()
80 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in sys_rt_sigreturn()
85 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext))  in sys_rt_sigreturn()
88 	if (restore_altstack(&frame->uc.uc_stack))  in sys_rt_sigreturn()
140 	struct rt_sigframe __user *frame;  in setup_rt_frame()  local
143 	frame = get_sigframe(ksig, regs, sizeof(*frame));  in setup_rt_frame()
145 	if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))  in setup_rt_frame()
161 			 &frame->retcode);  in setup_rt_frame()
163 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_rt_frame()
166 	err |= __put_user(0, &frame->uc.uc_flags);  in setup_rt_frame()
167 	err |= __put_user(NULL, &frame->uc.uc_link);  in setup_rt_frame()
168 	err |= __save_altstack(&frame->uc.uc_stack, regs->sp);  in setup_rt_frame()
169 	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs);  in setup_rt_frame()
170 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
176 	regs->r11 = (unsigned long) &frame->info;  in setup_rt_frame()
177 	regs->r10 = (unsigned long) &frame->uc;  in setup_rt_frame()
178 	regs->sp = (unsigned long) frame;  in setup_rt_frame()
184 		regs->lr = (unsigned long) &frame->retcode;  in setup_rt_frame()