484     struct target_rt_sigframe *rt_sf;  in setup_rt_frame()  local
493     rt_sf_addr = get_sigframe(ka, env, sizeof(*rt_sf));  in setup_rt_frame()
494     if (!lock_user_struct(VERIFY_WRITE, rt_sf, rt_sf_addr, 1))  in setup_rt_frame()
497     rt_sf->info = *info;  in setup_rt_frame()
499     __put_user(0, &rt_sf->uc.tuc_flags);  in setup_rt_frame()
500     __put_user(0, &rt_sf->uc.tuc_link);  in setup_rt_frame()
501     target_save_altstack(&rt_sf->uc.tuc_stack, env);  in setup_rt_frame()
503     __put_user(h2g (&rt_sf->uc.tuc_mcontext),  in setup_rt_frame()
504                &rt_sf->uc.tuc_regs);  in setup_rt_frame()
507         __put_user(set->sig[i], &rt_sf->uc.tuc_sigmask.sig[i]);  in setup_rt_frame()
511     mctx = &rt_sf->uc.tuc_sigcontext.mcontext;  in setup_rt_frame()
513     sc = &rt_sf->uc.tuc_sigcontext;  in setup_rt_frame()
517     mctx = &rt_sf->uc.tuc_mcontext;  in setup_rt_frame()
537     env->gpr[4] = (target_ulong) h2g(&rt_sf->info);  in setup_rt_frame()
538     env->gpr[5] = (target_ulong) h2g(&rt_sf->uc);  in setup_rt_frame()
539     env->gpr[6] = (target_ulong) h2g(rt_sf);  in setup_rt_frame()
564     unlock_user_struct(rt_sf, rt_sf_addr, 1);  in setup_rt_frame()
568     unlock_user_struct(rt_sf, rt_sf_addr, 1);  in setup_rt_frame()
641     struct target_rt_sigframe *rt_sf = NULL;  in do_rt_sigreturn()  local
645     if (!lock_user_struct(VERIFY_READ, rt_sf, rt_sf_addr, 1))  in do_rt_sigreturn()
648     if (do_setcontext(&rt_sf->uc, env, 1))  in do_rt_sigreturn()
651     target_restore_altstack(&rt_sf->uc.tuc_stack, env);  in do_rt_sigreturn()
653     unlock_user_struct(rt_sf, rt_sf_addr, 1);  in do_rt_sigreturn()
657     unlock_user_struct(rt_sf, rt_sf_addr, 1);  in do_rt_sigreturn()