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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
1/*
2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * Borrowed heavily from MIPS
9 */
10
11#include <linux/export.h>
12#include <linux/extable.h>
13#include <linux/uaccess.h>
14
15int fixup_exception(struct pt_regs *regs)
16{
17 const struct exception_table_entry *fixup;
18
19 fixup = search_exception_tables(instruction_pointer(regs));
20 if (fixup) {
21 regs->ret = fixup->fixup;
22
23 return 1;
24 }
25
26 return 0;
27}
28
29#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
30
31unsigned long arc_clear_user_noinline(void __user *to,
32 unsigned long n)
33{
34 return __arc_clear_user(to, n);
35}
36EXPORT_SYMBOL(arc_clear_user_noinline);
37
38long arc_strncpy_from_user_noinline(char *dst, const char __user *src,
39 long count)
40{
41 return __arc_strncpy_from_user(dst, src, count);
42}
43EXPORT_SYMBOL(arc_strncpy_from_user_noinline);
44
45long arc_strnlen_user_noinline(const char __user *src, long n)
46{
47 return __arc_strnlen_user(src, n);
48}
49EXPORT_SYMBOL(arc_strnlen_user_noinline);
50#endif