1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 4 *
 5 * Borrowed heavily from MIPS
 6 */
 7
 8#include <linux/export.h>
 9#include <linux/extable.h>
10#include <linux/uaccess.h>
11
12int fixup_exception(struct pt_regs *regs)
13{
14	const struct exception_table_entry *fixup;
15
16	fixup = search_exception_tables(instruction_pointer(regs));
17	if (fixup) {
18		regs->ret = fixup->fixup;
19
20		return 1;
21	}
22
23	return 0;
24}
25
26#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
27
28unsigned long arc_clear_user_noinline(void __user *to,
29		unsigned long n)
30{
31	return __arc_clear_user(to, n);
32}
33EXPORT_SYMBOL(arc_clear_user_noinline);
34
35long arc_strncpy_from_user_noinline(char *dst, const char __user *src,
36		long count)
37{
38	return __arc_strncpy_from_user(dst, src, count);
39}
40EXPORT_SYMBOL(arc_strncpy_from_user_noinline);
41
42long arc_strnlen_user_noinline(const char __user *src, long n)
43{
44	return __arc_strnlen_user(src, n);
45}
46EXPORT_SYMBOL(arc_strnlen_user_noinline);
47#endif