129     struct target_sigframe *frame;  in setup_frame()  local
132     frame_addr = get_sigframe(ka, env, sizeof(*frame));  in setup_frame()
134     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_frame()
138     setup_sigcontext(&frame->sc, env, frame_addr, set);  in setup_frame()
146     unlock_user_struct(frame, frame_addr, 1);  in setup_frame()
167     struct target_rt_sigframe *frame;  in setup_rt_frame()  local
170     frame_addr = get_sigframe(ka, env, sizeof(*frame));  in setup_rt_frame()
172     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
176     frame->info = *info;  in setup_rt_frame()
178     __put_user(0, &frame->uc.tuc_flags);  in setup_rt_frame()
179     __put_user(0, &frame->uc.tuc_link);  in setup_rt_frame()
180     __put_user(set->sig[0], &frame->uc.tuc_osf_sigmask);  in setup_rt_frame()
182     target_save_altstack(&frame->uc.tuc_stack, env);  in setup_rt_frame()
184     setup_sigcontext(&frame->uc.tuc_mcontext, env, frame_addr, set);  in setup_rt_frame()
186         __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);  in setup_rt_frame()
238     struct target_rt_sigframe *frame;  in do_rt_sigreturn()  local
242     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_rt_sigreturn()
245     target_to_host_sigset(&set, &frame->uc.tuc_sigmask);  in do_rt_sigreturn()
248     restore_sigcontext(env, &frame->uc.tuc_mcontext);  in do_rt_sigreturn()
249     target_restore_altstack(&frame->uc.tuc_stack, env);  in do_rt_sigreturn()
251     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()
256     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()