95     abi_ulong frame_addr;  in setup_rt_frame()  local
99     frame_addr = get_sigframe(ka, env, sizeof(*frame));  in setup_rt_frame()
100     trace_user_setup_rt_frame(env, frame_addr);  in setup_rt_frame()
101     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
121     cpu_set_gpr(env, 4, frame_addr + offsetof(target_rt_sigframe, info));  in setup_rt_frame()
122     cpu_set_gpr(env, 5, frame_addr + offsetof(target_rt_sigframe, uc));  in setup_rt_frame()
123     cpu_set_gpr(env, 1, frame_addr);  in setup_rt_frame()
133     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
139     abi_ulong frame_addr = get_sp_from_cpustate(env);  in do_rt_sigreturn()  local
144     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_rt_sigreturn()
147     if (frame_addr & 3) {  in do_rt_sigreturn()
157     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()
161     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()