| 1 | // SPDX-License-Identifier: GPL-2.0-only |
|---|---|
| 2 | /* |
| 3 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
| 4 | * |
| 5 | * Borrowed heavily from MIPS |
| 6 | */ |
| 7 | |
| 8 | #include <linux/export.h> |
| 9 | #include <linux/extable.h> |
| 10 | #include <linux/uaccess.h> |
| 11 | |
| 12 | int fixup_exception(struct pt_regs *regs) |
| 13 | { |
| 14 | const struct exception_table_entry *fixup; |
| 15 | |
| 16 | fixup = search_exception_tables(add: instruction_pointer(regs)); |
| 17 | if (fixup) { |
| 18 | regs->ret = fixup->fixup; |
| 19 | |
| 20 | return 1; |
| 21 | } |
| 22 | |
| 23 | return 0; |
| 24 | } |
| 25 |