130     abi_ulong frame_addr;  in setup_frame()  local
134     frame_addr = get_sigframe(ka, env, sizeof *frame);  in setup_frame()
135     trace_user_setup_frame(env, frame_addr);  in setup_frame()
136     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_frame()
142     sc_addr = frame_addr + offsetof(struct target_sigframe, sc);  in setup_frame()
154     env->aregs[7] = frame_addr;  in setup_frame()
157     unlock_user_struct(frame, frame_addr, 1);  in setup_frame()
278     abi_ulong frame_addr;  in setup_rt_frame()  local
284     frame_addr = get_sigframe(ka, env, sizeof *frame);  in setup_rt_frame()
285     trace_user_setup_rt_frame(env, frame_addr);  in setup_rt_frame()
286     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
292     info_addr = frame_addr + offsetof(struct target_rt_sigframe, info);  in setup_rt_frame()
295     uc_addr = frame_addr + offsetof(struct target_rt_sigframe, uc);  in setup_rt_frame()
317     env->aregs[7] = frame_addr;  in setup_rt_frame()
320     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
324     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
331     abi_ulong frame_addr = env->aregs[7] - 4;  in do_sigreturn()  local
336     trace_user_do_sigreturn(env, frame_addr);  in do_sigreturn()
337     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))  in do_sigreturn()
355     unlock_user_struct(frame, frame_addr, 0);  in do_sigreturn()
366     abi_ulong frame_addr = env->aregs[7] - 4;  in do_rt_sigreturn()  local
369     trace_user_do_rt_sigreturn(env, frame_addr);  in do_rt_sigreturn()
370     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))  in do_rt_sigreturn()
383     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()
387     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()