84 	struct rt_sigframe *frame = (struct rt_sigframe *)(usp);  in sys_rt_sigreturn()  local
88 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in sys_rt_sigreturn()
90 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in sys_rt_sigreturn()
95 	if (rt_restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))  in sys_rt_sigreturn()
98 	if (restore_altstack(&frame->uc.uc_stack))  in sys_rt_sigreturn()
149 	struct rt_sigframe *frame;  in setup_rt_frame()  local
152 	frame = get_sigframe(ksig, sizeof(*frame));  in setup_rt_frame()
154 	err |= __put_user(ksig->sig, &frame->sig);  in setup_rt_frame()
156 	err |= __put_user(&frame->info, &frame->pinfo);  in setup_rt_frame()
157 	err |= __put_user(&frame->uc, &frame->puc);  in setup_rt_frame()
158 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in setup_rt_frame()
161 	err |= __put_user(0, &frame->uc.uc_flags);  in setup_rt_frame()
162 	err |= __put_user(0, &frame->uc.uc_link);  in setup_rt_frame()
163 	err |= __save_altstack(&frame->uc.uc_stack, rdusp());  in setup_rt_frame()
164 	err |= rt_setup_sigcontext(&frame->uc.uc_mcontext, regs);  in setup_rt_frame()
165 	err |= copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
183 	wrusp((unsigned long)frame);  in setup_rt_frame()
186 	regs->r0 = frame->sig;  in setup_rt_frame()
187 	regs->r1 = (unsigned long)(&frame->info);  in setup_rt_frame()
188 	regs->r2 = (unsigned long)(&frame->uc);  in setup_rt_frame()