176     abi_ulong frame_addr;  in setup_frame()  local
179     frame_addr = get_sigframe(ka, env, sizeof(*frame));  in setup_frame()
180     trace_user_setup_frame(env, frame_addr);  in setup_frame()
181     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_frame()
193     __put_user(frame_addr + offsetof(sigframe, sregs), &frame->sc.sregs);  in setup_frame()
220     env->regs[15] = frame_addr;  in setup_frame()
227     env->regs[3] = frame_addr + offsetof(typeof(*frame), sc);  in setup_frame()
237     unlock_user_struct(frame, frame_addr, 1);  in setup_frame()
245     abi_ulong frame_addr;  in setup_rt_frame()  local
249     frame_addr = get_sigframe(ka, env, sizeof *frame);  in setup_rt_frame()
250     trace_user_setup_rt_frame(env, frame_addr);  in setup_rt_frame()
251     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
286     env->regs[15] = frame_addr;  in setup_rt_frame()
293     env->regs[3] = frame_addr + offsetof(typeof(*frame), info);  in setup_rt_frame()
294     env->regs[4] = frame_addr + offsetof(typeof(*frame), uc);  in setup_rt_frame()
361     abi_ulong frame_addr = env->regs[15];  in do_sigreturn()  local
365     trace_user_do_sigreturn(env, frame_addr);  in do_sigreturn()
366     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_sigreturn()
381     unlock_user_struct(frame, frame_addr, 0);  in do_sigreturn()
388     abi_ulong frame_addr = env->regs[15];  in do_rt_sigreturn()  local
391     trace_user_do_rt_sigreturn(env, frame_addr);  in do_rt_sigreturn()
392     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_rt_sigreturn()
405     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()