132 	struct ucontext uc;  member
140         [offsetof(struct rt_sigframe, uc.uc_mcontext) == 176 ? 1 : -1];
242 	if (!access_ok(VERIFY_READ, &frame->uc, sizeof(frame->uc)))  in do_rt_sigreturn()
244 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in do_rt_sigreturn()
249 	if (restore_sigcontext(&frame->uc.uc_mcontext, regs))  in do_rt_sigreturn()
396 	err |= __put_user(0, &frame->uc.uc_flags);  in setup_rt_frame()
397 	err |= __put_user(0, &frame->uc.uc_link);  in setup_rt_frame()
398 	err |= __put_user(set->sig[0], &frame->uc.uc_osf_sigmask);  in setup_rt_frame()
399 	err |= __save_altstack(&frame->uc.uc_stack, oldsp);  in setup_rt_frame()
400 	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs,   in setup_rt_frame()
402 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in setup_rt_frame()
426 	regs->r18 = (unsigned long) &frame->uc;	  /* a2: ucontext pointer */  in setup_rt_frame()