blob: d41bf38e37e987322c9a30e981a36946e46f91fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
* Lennox Wu <lennox.wu@sunplusct.com>
* Chen Liqin <liqin.chen@sunplusct.com>
* Copyright (C) 2013 Regents of the University of California
*/
#include <linux/extable.h>
#include <linux/module.h>
#include <linux/uaccess.h>
bool fixup_exception(struct pt_regs *regs)
{
const struct exception_table_entry *fixup;
fixup = search_exception_tables(regs->epc);
if (!fixup)
return false;
if (regs->epc >= BPF_JIT_REGION_START && regs->epc < BPF_JIT_REGION_END)
return rv_bpf_fixup_exception(fixup, regs);
regs->epc = (unsigned long)&fixup->fixup + fixup->fixup;
return true;
}
|
