178     struct target_sigframe *frame;  in setup_frame()  local
184     frame_addr = get_sigframe(ka, regs->gregs[15], sizeof(*frame));  in setup_frame()
186     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_frame()
190     setup_sigcontext(&frame->sc, regs, set->sig[0]);  in setup_frame()
193         __put_user(set->sig[i + 1], &frame->extramask[i]);  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()
224     struct target_rt_sigframe *frame;  in setup_rt_frame()  local
230     frame_addr = get_sigframe(ka, regs->gregs[15], sizeof(*frame));  in setup_rt_frame()
232     if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {  in setup_rt_frame()
236     frame->info = *info;  in setup_rt_frame()
239     __put_user(0, &frame->uc.tuc_flags);  in setup_rt_frame()
240     __put_user(0, (unsigned long *)&frame->uc.tuc_link);  in setup_rt_frame()
241     target_save_altstack(&frame->uc.tuc_stack, regs);  in setup_rt_frame()
242     setup_sigcontext(&frame->uc.tuc_mcontext,  in setup_rt_frame()
245         __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);  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()
274     struct target_sigframe *frame;  in do_sigreturn()  local
282     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_sigreturn()
286     __get_user(target_set.sig[0], &frame->sc.oldmask);  in do_sigreturn()
288         __get_user(target_set.sig[i], &frame->extramask[i - 1]);  in do_sigreturn()
294     restore_sigcontext(regs, &frame->sc);  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()
307     struct target_rt_sigframe *frame;  in do_rt_sigreturn()  local
313     if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {  in do_rt_sigreturn()
317     target_to_host_sigset(&blocked, &frame->uc.tuc_sigmask);  in do_rt_sigreturn()
320     restore_sigcontext(regs, &frame->uc.tuc_mcontext);  in do_rt_sigreturn()
321     target_restore_altstack(&frame->uc.tuc_stack, regs);  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()