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/module.h>
 
12#include <linux/uaccess.h>
13
14int fixup_exception(struct pt_regs *regs)
15{
16	const struct exception_table_entry *fixup;
17
18	fixup = search_exception_tables(instruction_pointer(regs));
19	if (fixup) {
20		regs->ret = fixup->fixup;
21
22		return 1;
23	}
24
25	return 0;
26}
27
28#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
29
30long arc_copy_from_user_noinline(void *to, const void __user *from,
31		unsigned long n)
32{
33	return __arc_copy_from_user(to, from, n);
34}
35EXPORT_SYMBOL(arc_copy_from_user_noinline);
36
37long arc_copy_to_user_noinline(void __user *to, const void *from,
38		unsigned long n)
39{
40	return __arc_copy_to_user(to, from, n);
41}
42EXPORT_SYMBOL(arc_copy_to_user_noinline);
43
44unsigned long arc_clear_user_noinline(void __user *to,
45		unsigned long n)
46{
47	return __arc_clear_user(to, n);
48}
49EXPORT_SYMBOL(arc_clear_user_noinline);
50
51long arc_strncpy_from_user_noinline(char *dst, const char __user *src,
52		long count)
53{
54	return __arc_strncpy_from_user(dst, src, count);
55}
56EXPORT_SYMBOL(arc_strncpy_from_user_noinline);
57
58long arc_strnlen_user_noinline(const char __user *src, long n)
59{
60	return __arc_strnlen_user(src, n);
61}
62EXPORT_SYMBOL(arc_strnlen_user_noinline);
63#endif