extable.c (e8c328d7de03bf4d7a18e38ff87a7c12fdf8afb1) extable.c (5d0e79051425a6607959e2ab918ef3068cce07f0)
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
9bool fixup_exception(struct pt_regs *regs)
10{
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
9bool fixup_exception(struct pt_regs *regs)
10{
11 const struct exception_table_entry *fixup;
11 const struct exception_table_entry *ex;
12
12
13 fixup = search_exception_tables(instruction_pointer(regs));
14 if (!fixup)
13 ex = search_exception_tables(instruction_pointer(regs));
14 if (!ex)
15 return false;
16
17 if (in_bpf_jit(regs))
15 return false;
16
17 if (in_bpf_jit(regs))
18 return arm64_bpf_fixup_exception(fixup, regs);
18 return arm64_bpf_fixup_exception(ex, regs);
19
19
20 regs->pc = (unsigned long)&fixup->fixup + fixup->fixup;
20 regs->pc = (unsigned long)&ex->fixup + ex->fixup;
21 return true;
22}
21 return true;
22}