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Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | /* |
3 | * linux/arch/arm/mm/extable.c | |
4 | */ | |
0ea9365a | 5 | #include <linux/extable.h> |
33fa9b13 | 6 | #include <linux/uaccess.h> |
1da177e4 LT |
7 | |
8 | int fixup_exception(struct pt_regs *regs) | |
9 | { | |
10 | const struct exception_table_entry *fixup; | |
11 | ||
12 | fixup = search_exception_tables(instruction_pointer(regs)); | |
e16b31bf | 13 | if (fixup) { |
1da177e4 | 14 | regs->ARM_pc = fixup->fixup; |
e16b31bf MZ |
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 | } | |
1da177e4 LT |
20 | |
21 | return fixup != NULL; | |
22 | } |