323 static int compat_restore_sigframe(struct pt_regs *regs,  in compat_restore_sigframe()  argument
336 	__get_user_error(regs->regs[0], &sf->uc.uc_mcontext.arm_r0, err);  in compat_restore_sigframe()
337 	__get_user_error(regs->regs[1], &sf->uc.uc_mcontext.arm_r1, err);  in compat_restore_sigframe()
338 	__get_user_error(regs->regs[2], &sf->uc.uc_mcontext.arm_r2, err);  in compat_restore_sigframe()
339 	__get_user_error(regs->regs[3], &sf->uc.uc_mcontext.arm_r3, err);  in compat_restore_sigframe()
340 	__get_user_error(regs->regs[4], &sf->uc.uc_mcontext.arm_r4, err);  in compat_restore_sigframe()
341 	__get_user_error(regs->regs[5], &sf->uc.uc_mcontext.arm_r5, err);  in compat_restore_sigframe()
342 	__get_user_error(regs->regs[6], &sf->uc.uc_mcontext.arm_r6, err);  in compat_restore_sigframe()
343 	__get_user_error(regs->regs[7], &sf->uc.uc_mcontext.arm_r7, err);  in compat_restore_sigframe()
344 	__get_user_error(regs->regs[8], &sf->uc.uc_mcontext.arm_r8, err);  in compat_restore_sigframe()
345 	__get_user_error(regs->regs[9], &sf->uc.uc_mcontext.arm_r9, err);  in compat_restore_sigframe()
346 	__get_user_error(regs->regs[10], &sf->uc.uc_mcontext.arm_r10, err);  in compat_restore_sigframe()
347 	__get_user_error(regs->regs[11], &sf->uc.uc_mcontext.arm_fp, err);  in compat_restore_sigframe()
348 	__get_user_error(regs->regs[12], &sf->uc.uc_mcontext.arm_ip, err);  in compat_restore_sigframe()
349 	__get_user_error(regs->compat_sp, &sf->uc.uc_mcontext.arm_sp, err);  in compat_restore_sigframe()
350 	__get_user_error(regs->compat_lr, &sf->uc.uc_mcontext.arm_lr, err);  in compat_restore_sigframe()
351 	__get_user_error(regs->pc, &sf->uc.uc_mcontext.arm_pc, err);  in compat_restore_sigframe()
352 	__get_user_error(regs->pstate, &sf->uc.uc_mcontext.arm_cpsr, err);  in compat_restore_sigframe()
357 	regs->syscallno = ~0UL;  in compat_restore_sigframe()
359 	err |= !valid_user_regs(&regs->user_regs);  in compat_restore_sigframe()
368 asmlinkage int compat_sys_sigreturn(struct pt_regs *regs)  in compat_sys_sigreturn()  argument
380 	if (regs->compat_sp & 7)  in compat_sys_sigreturn()
383 	frame = (struct compat_sigframe __user *)regs->compat_sp;  in compat_sys_sigreturn()
388 	if (compat_restore_sigframe(regs, frame))  in compat_sys_sigreturn()
391 	return regs->regs[0];  in compat_sys_sigreturn()
397 				    regs->pc, regs->sp);  in compat_sys_sigreturn()
402 asmlinkage int compat_sys_rt_sigreturn(struct pt_regs *regs)  in compat_sys_rt_sigreturn()  argument
414 	if (regs->compat_sp & 7)  in compat_sys_rt_sigreturn()
417 	frame = (struct compat_rt_sigframe __user *)regs->compat_sp;  in compat_sys_rt_sigreturn()
422 	if (compat_restore_sigframe(regs, &frame->sig))  in compat_sys_rt_sigreturn()
428 	return regs->regs[0];  in compat_sys_rt_sigreturn()
434 				    regs->pc, regs->sp);  in compat_sys_rt_sigreturn()
440 					struct pt_regs *regs,  in compat_get_sigframe()  argument
443 	compat_ulong_t sp = sigsp(regs->compat_sp, ksig);  in compat_get_sigframe()
460 static void compat_setup_return(struct pt_regs *regs, struct k_sigaction *ka,  in compat_setup_return()  argument
466 	compat_ulong_t spsr = regs->pstate & ~(PSR_f | COMPAT_PSR_E_BIT);  in compat_setup_return()
497 	regs->regs[0]	= usig;  in compat_setup_return()
498 	regs->compat_sp	= ptr_to_compat(frame);  in compat_setup_return()
499 	regs->compat_lr	= retcode;  in compat_setup_return()
500 	regs->pc	= handler;  in compat_setup_return()
501 	regs->pstate	= spsr;  in compat_setup_return()
505 				 struct pt_regs *regs, sigset_t *set)  in compat_setup_sigframe()  argument
510 	__put_user_error(regs->regs[0], &sf->uc.uc_mcontext.arm_r0, err);  in compat_setup_sigframe()
511 	__put_user_error(regs->regs[1], &sf->uc.uc_mcontext.arm_r1, err);  in compat_setup_sigframe()
512 	__put_user_error(regs->regs[2], &sf->uc.uc_mcontext.arm_r2, err);  in compat_setup_sigframe()
513 	__put_user_error(regs->regs[3], &sf->uc.uc_mcontext.arm_r3, err);  in compat_setup_sigframe()
514 	__put_user_error(regs->regs[4], &sf->uc.uc_mcontext.arm_r4, err);  in compat_setup_sigframe()
515 	__put_user_error(regs->regs[5], &sf->uc.uc_mcontext.arm_r5, err);  in compat_setup_sigframe()
516 	__put_user_error(regs->regs[6], &sf->uc.uc_mcontext.arm_r6, err);  in compat_setup_sigframe()
517 	__put_user_error(regs->regs[7], &sf->uc.uc_mcontext.arm_r7, err);  in compat_setup_sigframe()
518 	__put_user_error(regs->regs[8], &sf->uc.uc_mcontext.arm_r8, err);  in compat_setup_sigframe()
519 	__put_user_error(regs->regs[9], &sf->uc.uc_mcontext.arm_r9, err);  in compat_setup_sigframe()
520 	__put_user_error(regs->regs[10], &sf->uc.uc_mcontext.arm_r10, err);  in compat_setup_sigframe()
521 	__put_user_error(regs->regs[11], &sf->uc.uc_mcontext.arm_fp, err);  in compat_setup_sigframe()
522 	__put_user_error(regs->regs[12], &sf->uc.uc_mcontext.arm_ip, err);  in compat_setup_sigframe()
523 	__put_user_error(regs->compat_sp, &sf->uc.uc_mcontext.arm_sp, err);  in compat_setup_sigframe()
524 	__put_user_error(regs->compat_lr, &sf->uc.uc_mcontext.arm_lr, err);  in compat_setup_sigframe()
525 	__put_user_error(regs->pc, &sf->uc.uc_mcontext.arm_pc, err);  in compat_setup_sigframe()
526 	__put_user_error(regs->pstate, &sf->uc.uc_mcontext.arm_cpsr, err);  in compat_setup_sigframe()
550 			  sigset_t *set, struct pt_regs *regs)  in compat_setup_rt_frame()  argument
555 	frame = compat_get_sigframe(ksig, regs, sizeof(*frame));  in compat_setup_rt_frame()
565 	err |= __compat_save_altstack(&frame->sig.uc.uc_stack, regs->compat_sp);  in compat_setup_rt_frame()
567 	err |= compat_setup_sigframe(&frame->sig, regs, set);  in compat_setup_rt_frame()
570 		compat_setup_return(regs, &ksig->ka, frame->sig.retcode, frame, usig);  in compat_setup_rt_frame()
571 		regs->regs[1] = (compat_ulong_t)(unsigned long)&frame->info;  in compat_setup_rt_frame()
572 		regs->regs[2] = (compat_ulong_t)(unsigned long)&frame->sig.uc;  in compat_setup_rt_frame()
579 		       struct pt_regs *regs)  in compat_setup_frame()  argument
584 	frame = compat_get_sigframe(ksig, regs, sizeof(*frame));  in compat_setup_frame()
591 	err |= compat_setup_sigframe(frame, regs, set);  in compat_setup_frame()
593 		compat_setup_return(regs, &ksig->ka, frame->retcode, frame, usig);  in compat_setup_frame()
598 void compat_setup_restart_syscall(struct pt_regs *regs)  in compat_setup_restart_syscall()  argument
600        regs->regs[7] = __NR_compat_restart_syscall;  in compat_setup_restart_syscall()