xref: /kernel/linux/linux-5.10/arch/arm64/mm/extable.c (revision 8c2ecf20) 
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Based on arch/arm/mm/extable.c
4 */
5
6#include <linux/extable.h>
7#include <linux/uaccess.h>
8
9int fixup_exception(struct pt_regs *regs)
10{
11	const struct exception_table_entry *fixup;
12
13	fixup = search_exception_tables(instruction_pointer(regs));
14	if (!fixup)
15		return 0;
16
17	if (in_bpf_jit(regs))
18		return arm64_bpf_fixup_exception(fixup, regs);
19
20	regs->pc = (unsigned long)&fixup->fixup + fixup->fixup;
21	return 1;
22}
23