224 	struct signal_frame_64 __user *sf;  in sane_signal_64_frame()  local
227 	sf = (struct signal_frame_64 __user *) sp;  in sane_signal_64_frame()
228 	if (read_user_stack_64((unsigned long __user *) &sf->pinfo, &pinfo) ||  in sane_signal_64_frame()
229 	    read_user_stack_64((unsigned long __user *) &sf->puc, &puc))  in sane_signal_64_frame()
231 	return pinfo == (unsigned long) &sf->info &&  in sane_signal_64_frame()
232 		puc == (unsigned long) &sf->uc;  in sane_signal_64_frame()
390 	struct signal_frame_32 __user *sf;  in sane_signal_32_frame()  local
393 	sf = (struct signal_frame_32 __user *) (unsigned long) sp;  in sane_signal_32_frame()
394 	if (read_user_stack_32((unsigned int __user *) &sf->sctx.regs, &regs))  in sane_signal_32_frame()
396 	return regs == (unsigned long) &sf->mctx;  in sane_signal_32_frame()
401 	struct rt_signal_frame_32 __user *sf;  in sane_rt_signal_32_frame()  local
404 	sf = (struct rt_signal_frame_32 __user *) (unsigned long) sp;  in sane_rt_signal_32_frame()
405 	if (read_user_stack_32((unsigned int __user *) &sf->uc.uc_regs, &regs))  in sane_rt_signal_32_frame()
407 	return regs == (unsigned long) &sf->uc.uc_mcontext;  in sane_rt_signal_32_frame()
414 	struct signal_frame_32 __user *sf;  in signal_frame_32_regs()  local
426 		sf = (struct signal_frame_32 __user *) (unsigned long) sp;  in signal_frame_32_regs()
427 		mctx = &sf->mctx;  in signal_frame_32_regs()