140     abi_ulong frame_addr;  in setup_rt_frame()  local
142     frame_addr = get_sigframe(ka, env, sizeof *frame);  in setup_rt_frame()
143     trace_user_setup_rt_frame(env, frame_addr);  in setup_rt_frame()
145     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
171     env->regs[1] = frame_addr;  in setup_rt_frame()
175     env->regs[6] = frame_addr + offsetof(struct target_rt_sigframe, info);  in setup_rt_frame()
176     env->regs[7] = frame_addr + offsetof(struct target_rt_sigframe, uc);  in setup_rt_frame()
181     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
193     abi_ulong frame_addr = env->regs[1];  in do_rt_sigreturn()  local
196     trace_user_do_rt_sigreturn(env, frame_addr);  in do_rt_sigreturn()
198     if  (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_rt_sigreturn()
209     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()
213     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()