| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * Borrowed heavily from MIPS |
| 9 | */ |
| 10 | |
| 11 | #include <linux/export.h> |
| 12 | #include <linux/extable.h> |
| 13 | #include <linux/uaccess.h> |
| 14 | |
| 15 | int fixup_exception(struct pt_regs *regs) |
| 16 | { |
| 17 | const struct exception_table_entry *fixup; |
| 18 | |
| 19 | fixup = search_exception_tables(instruction_pointer(regs)); |
| 20 | if (fixup) { |
| 21 | regs->ret = fixup->fixup; |
| 22 | |
| 23 | return 1; |
| 24 | } |
| 25 | |
| 26 | return 0; |
| 27 | } |
| 28 | |
| 29 | #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE |
| 30 | |
| 31 | unsigned long arc_clear_user_noinline(void __user *to, |
| 32 | unsigned long n) |
| 33 | { |
| 34 | return __arc_clear_user(to, n); |
| 35 | } |
| 36 | EXPORT_SYMBOL(arc_clear_user_noinline); |
| 37 | |
| 38 | long arc_strncpy_from_user_noinline(char *dst, const char __user *src, |
| 39 | long count) |
| 40 | { |
| 41 | return __arc_strncpy_from_user(dst, src, count); |
| 42 | } |
| 43 | EXPORT_SYMBOL(arc_strncpy_from_user_noinline); |
| 44 | |
| 45 | long arc_strnlen_user_noinline(const char __user *src, long n) |
| 46 | { |
| 47 | return __arc_strnlen_user(src, n); |
| 48 | } |
| 49 | EXPORT_SYMBOL(arc_strnlen_user_noinline); |
| 50 | #endif |