203     abi_ulong frame_addr;  in setup_frame()  local
206     frame_addr = get_sigframe(ka, regs, sizeof(*frame));  in setup_frame()
207     trace_user_setup_frame(regs, frame_addr);  in setup_frame()
208     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_frame()
230     regs->active_tc.gpr[ 6] = frame_addr + offsetof(struct sigframe, sf_sc);  in setup_frame()
231     regs->active_tc.gpr[29] = frame_addr;  in setup_frame()
238     unlock_user_struct(frame, frame_addr, 1);  in setup_frame()
248     abi_ulong frame_addr;  in do_sigreturn()  local
253     frame_addr = regs->active_tc.gpr[29];  in do_sigreturn()
254     trace_user_do_sigreturn(regs, frame_addr);  in do_sigreturn()
255     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))  in do_sigreturn()
297     abi_ulong frame_addr;  in setup_rt_frame()  local
300     frame_addr = get_sigframe(ka, env, sizeof(*frame));  in setup_rt_frame()
301     trace_user_setup_rt_frame(env, frame_addr);  in setup_rt_frame()
302     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
329     env->active_tc.gpr[ 5] = frame_addr  in setup_rt_frame()
331     env->active_tc.gpr[ 6] = frame_addr  in setup_rt_frame()
333     env->active_tc.gpr[29] = frame_addr;  in setup_rt_frame()
343     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
347     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
354     abi_ulong frame_addr;  in do_rt_sigreturn()  local
357     frame_addr = env->active_tc.gpr[29];  in do_rt_sigreturn()
358     trace_user_do_rt_sigreturn(env, frame_addr);  in do_rt_sigreturn()
359     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_rt_sigreturn()