xref: /kernel/linux/linux-5.10/arch/riscv/mm/extable.c (revision 8c2ecf20)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
4 *  Lennox Wu <lennox.wu@sunplusct.com>
5 *  Chen Liqin <liqin.chen@sunplusct.com>
6 * Copyright (C) 2013 Regents of the University of California
7 */
8
9
10#include <linux/extable.h>
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(regs->epc);
19	if (fixup) {
20		regs->epc = fixup->fixup;
21		return 1;
22	}
23	return 0;
24}
25