1 | // SPDX-License-Identifier: GPL-2.0 |
---|---|
2 | /* |
3 | * linux/arch/arm/mm/extable.c |
4 | */ |
5 | #include <linux/extable.h> |
6 | #include <linux/uaccess.h> |
7 | |
8 | int fixup_exception(struct pt_regs *regs) |
9 | { |
10 | const struct exception_table_entry *fixup; |
11 | |
12 | fixup = search_exception_tables(add: instruction_pointer(regs)); |
13 | if (fixup) { |
14 | regs->ARM_pc = fixup->fixup; |
15 | #ifdef CONFIG_THUMB2_KERNEL |
16 | /* Clear the IT state to avoid nasty surprises in the fixup */ |
17 | regs->ARM_cpsr &= ~PSR_IT_MASK; |
18 | #endif |
19 | } |
20 | |
21 | return fixup != NULL; |
22 | } |
23 |