179     abi_ulong frame_addr;  in setup_frame()  local
184     frame_addr = get_sigframe(ka, regs->gregs[15], sizeof(*frame));  in setup_frame()
185     trace_user_setup_frame(regs, frame_addr);  in setup_frame()
186     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_frame()
205     regs->gregs[15] = frame_addr;  in setup_frame()
208     regs->gregs[6] = frame_addr += offsetof(typeof(*frame), sc);  in setup_frame()
212     unlock_user_struct(frame, frame_addr, 1);  in setup_frame()
216     unlock_user_struct(frame, frame_addr, 1);  in setup_frame()
225     abi_ulong frame_addr;  in setup_rt_frame()  local
230     frame_addr = get_sigframe(ka, regs->gregs[15], sizeof(*frame));  in setup_rt_frame()
231     trace_user_setup_rt_frame(regs, frame_addr);  in setup_rt_frame()
232     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
257     regs->gregs[15] = frame_addr;  in setup_rt_frame()
259     regs->gregs[5] = frame_addr + offsetof(typeof(*frame), info);  in setup_rt_frame()
260     regs->gregs[6] = frame_addr + offsetof(typeof(*frame), uc);  in setup_rt_frame()
264     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
268     unlock_user_struct(frame, frame_addr, 1);  in setup_rt_frame()
275     abi_ulong frame_addr;  in do_sigreturn()  local
280     frame_addr = regs->gregs[15];  in do_sigreturn()
281     trace_user_do_sigreturn(regs, frame_addr);  in do_sigreturn()
282     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_sigreturn()
296     unlock_user_struct(frame, frame_addr, 0);  in do_sigreturn()
300     unlock_user_struct(frame, frame_addr, 0);  in do_sigreturn()
308     abi_ulong frame_addr;  in do_rt_sigreturn()  local
311     frame_addr = regs->gregs[15];  in do_rt_sigreturn()
312     trace_user_do_rt_sigreturn(regs, frame_addr);  in do_rt_sigreturn()
313     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_rt_sigreturn()
323     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()
327     unlock_user_struct(frame, frame_addr, 0);  in do_rt_sigreturn()