318 	struct sigframe __user *frame;  in __setup_frame()  local
323 	frame = get_sigframe(&ksig->ka, regs, sizeof(*frame), &fpstate);  in __setup_frame()
325 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))  in __setup_frame()
328 	if (__put_user(sig, &frame->sig))  in __setup_frame()
331 	if (setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]))  in __setup_frame()
335 		if (__copy_to_user(&frame->extramask, &set->sig[1],  in __setup_frame()
336 				   sizeof(frame->extramask)))  in __setup_frame()
344 		restorer = &frame->retcode;  in __setup_frame()
349 	err |= __put_user(restorer, &frame->pretcode);  in __setup_frame()
358 	err |= __put_user(*((u64 *)&retcode), (u64 *)frame->retcode);  in __setup_frame()
364 	regs->sp = (unsigned long)frame;  in __setup_frame()
381 	struct rt_sigframe __user *frame;  in __setup_rt_frame()  local
386 	frame = get_sigframe(&ksig->ka, regs, sizeof(*frame), &fpstate);  in __setup_rt_frame()
388 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))  in __setup_rt_frame()
392 		put_user_ex(sig, &frame->sig);  in __setup_rt_frame()
393 		put_user_ex(&frame->info, &frame->pinfo);  in __setup_rt_frame()
394 		put_user_ex(&frame->uc, &frame->puc);  in __setup_rt_frame()
398 			put_user_ex(UC_FP_XSTATE, &frame->uc.uc_flags);  in __setup_rt_frame()
400 			put_user_ex(0, &frame->uc.uc_flags);  in __setup_rt_frame()
401 		put_user_ex(0, &frame->uc.uc_link);  in __setup_rt_frame()
402 		save_altstack_ex(&frame->uc.uc_stack, regs->sp);  in __setup_rt_frame()
409 		put_user_ex(restorer, &frame->pretcode);  in __setup_rt_frame()
418 		put_user_ex(*((u64 *)&rt_retcode), (u64 *)frame->retcode);  in __setup_rt_frame()
421 	err |= copy_siginfo_to_user(&frame->info, &ksig->info);  in __setup_rt_frame()
422 	err |= setup_sigcontext(&frame->uc.uc_mcontext, fpstate,  in __setup_rt_frame()
424 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in __setup_rt_frame()
430 	regs->sp = (unsigned long)frame;  in __setup_rt_frame()
433 	regs->dx = (unsigned long)&frame->info;  in __setup_rt_frame()
434 	regs->cx = (unsigned long)&frame->uc;  in __setup_rt_frame()
462 	struct rt_sigframe __user *frame;  in __setup_rt_frame()  local
466 	frame = get_sigframe(&ksig->ka, regs, sizeof(struct rt_sigframe), &fp);  in __setup_rt_frame()
468 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))  in __setup_rt_frame()
472 		if (copy_siginfo_to_user(&frame->info, &ksig->info))  in __setup_rt_frame()
478 		put_user_ex(frame_uc_flags(regs), &frame->uc.uc_flags);  in __setup_rt_frame()
479 		put_user_ex(0, &frame->uc.uc_link);  in __setup_rt_frame()
480 		save_altstack_ex(&frame->uc.uc_stack, regs->sp);  in __setup_rt_frame()
486 			put_user_ex(ksig->ka.sa.sa_restorer, &frame->pretcode);  in __setup_rt_frame()
493 	err |= setup_sigcontext(&frame->uc.uc_mcontext, fp, regs, set->sig[0]);  in __setup_rt_frame()
494 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in __setup_rt_frame()
506 	regs->si = (unsigned long)&frame->info;  in __setup_rt_frame()
507 	regs->dx = (unsigned long)&frame->uc;  in __setup_rt_frame()
510 	regs->sp = (unsigned long)frame;  in __setup_rt_frame()
543 	struct rt_sigframe_x32 __user *frame;  in x32_setup_rt_frame()  local
548 	frame = get_sigframe(&ksig->ka, regs, sizeof(*frame), &fpstate);  in x32_setup_rt_frame()
550 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))  in x32_setup_rt_frame()
554 		if (__copy_siginfo_to_user32(&frame->info, &ksig->info, true))  in x32_setup_rt_frame()
560 		put_user_ex(frame_uc_flags(regs), &frame->uc.uc_flags);  in x32_setup_rt_frame()
561 		put_user_ex(0, &frame->uc.uc_link);  in x32_setup_rt_frame()
562 		compat_save_altstack_ex(&frame->uc.uc_stack, regs->sp);  in x32_setup_rt_frame()
563 		put_user_ex(0, &frame->uc.uc__pad0);  in x32_setup_rt_frame()
572 		put_user_ex(restorer, &frame->pretcode);  in x32_setup_rt_frame()
575 	err |= setup_sigcontext(&frame->uc.uc_mcontext, fpstate,  in x32_setup_rt_frame()
577 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));  in x32_setup_rt_frame()
583 	regs->sp = (unsigned long) frame;  in x32_setup_rt_frame()
588 	regs->si = (unsigned long) &frame->info;  in x32_setup_rt_frame()
589 	regs->dx = (unsigned long) &frame->uc;  in x32_setup_rt_frame()
608 	struct sigframe __user *frame;  in SYSCALL_DEFINE0()  local
611 	frame = (struct sigframe __user *)(regs->sp - 8);  in SYSCALL_DEFINE0()
613 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in SYSCALL_DEFINE0()
615 	if (__get_user(set.sig[0], &frame->sc.oldmask) || (_NSIG_WORDS > 1  in SYSCALL_DEFINE0()
616 		&& __copy_from_user(&set.sig[1], &frame->extramask,  in SYSCALL_DEFINE0()
617 				    sizeof(frame->extramask))))  in SYSCALL_DEFINE0()
626 	if (restore_sigcontext(regs, &frame->sc, 0))  in SYSCALL_DEFINE0()
631 	signal_fault(regs, frame, "sigreturn");  in SYSCALL_DEFINE0()
640 	struct rt_sigframe __user *frame;  in SYSCALL_DEFINE0()  local
644 	frame = (struct rt_sigframe __user *)(regs->sp - sizeof(long));  in SYSCALL_DEFINE0()
645 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in SYSCALL_DEFINE0()
647 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in SYSCALL_DEFINE0()
649 	if (__get_user(uc_flags, &frame->uc.uc_flags))  in SYSCALL_DEFINE0()
654 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, uc_flags))  in SYSCALL_DEFINE0()
657 	if (restore_altstack(&frame->uc.uc_stack))  in SYSCALL_DEFINE0()
663 	signal_fault(regs, frame, "rt_sigreturn");  in SYSCALL_DEFINE0()
847 void signal_fault(struct pt_regs *regs, void __user *frame, char *where)  in signal_fault()  argument
855 		       me->comm, me->pid, where, frame,  in signal_fault()
868 	struct rt_sigframe_x32 __user *frame;  in sys32_x32_rt_sigreturn()  local
872 	frame = (struct rt_sigframe_x32 __user *)(regs->sp - 8);  in sys32_x32_rt_sigreturn()
874 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))  in sys32_x32_rt_sigreturn()
876 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))  in sys32_x32_rt_sigreturn()
878 	if (__get_user(uc_flags, &frame->uc.uc_flags))  in sys32_x32_rt_sigreturn()
883 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, uc_flags))  in sys32_x32_rt_sigreturn()
886 	if (compat_restore_altstack(&frame->uc.uc_stack))  in sys32_x32_rt_sigreturn()
892 	signal_fault(regs, frame, "x32 rt_sigreturn");  in sys32_x32_rt_sigreturn()