325     abi_ulong frame_addr = get_sigframe(ka, regs, sizeof(*frame));  in setup_frame()  local
327     trace_user_setup_frame(regs, frame_addr);  in setup_frame()
328     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_frame()
334     if (setup_return(regs, ka, usig, frame, frame_addr)) {  in setup_frame()
338     unlock_user_struct(frame, frame_addr, 1);  in setup_frame()
341     unlock_user_struct(frame, frame_addr, 1);  in setup_frame()
350     abi_ulong frame_addr = get_sigframe(ka, env, sizeof(*frame));  in setup_rt_frame()  local
353     trace_user_setup_rt_frame(env, frame_addr);  in setup_rt_frame()
354     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
358     info_addr = frame_addr + offsetof(struct rt_sigframe, info);  in setup_rt_frame()
359     uc_addr = frame_addr + offsetof(struct rt_sigframe, sig.uc);  in setup_rt_frame()
364     if (setup_return(env, ka, usig, &frame->sig, frame_addr)) {  in setup_rt_frame()
371     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
374     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
505     abi_ulong frame_addr;  in do_sigreturn()  local
513     frame_addr = env->regs[13];  in do_sigreturn()
514     trace_user_do_sigreturn(env, frame_addr);  in do_sigreturn()
515     if (frame_addr & 7) {  in do_sigreturn()
519     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_sigreturn()
524                            frame_addr + offsetof(struct sigframe, uc),  in do_sigreturn()
529     unlock_user_struct(frame, frame_addr, 0);  in do_sigreturn()
533     unlock_user_struct(frame, frame_addr, 0);  in do_sigreturn()
540     abi_ulong frame_addr;  in do_rt_sigreturn()  local
548     frame_addr = env->regs[13];  in do_rt_sigreturn()
549     trace_user_do_rt_sigreturn(env, frame_addr);  in do_rt_sigreturn()
550     if (frame_addr & 7) {  in do_rt_sigreturn()
554     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_rt_sigreturn()
559                            frame_addr + offsetof(struct rt_sigframe, sig.uc),  in do_rt_sigreturn()
564     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()
568     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()