projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 43697cb0 VG |
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 | ||
| 9ce6dbe8 PG |
11 | #include <linux/export.h> |
| 12 | #include <linux/extable.h> | |
| 43697cb0 VG |
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 | ||
| 955ad595 | 31 | long arc_copy_from_user_noinline(void *to, const void __user *from, |
| 43697cb0 VG |
32 | unsigned long n) |
| 33 | { | |
| 34 | return __arc_copy_from_user(to, from, n); | |
| 35 | } | |
| 36 | EXPORT_SYMBOL(arc_copy_from_user_noinline); | |
| 37 | ||
| 38 | long arc_copy_to_user_noinline(void __user *to, const void *from, | |
| 39 | unsigned long n) | |
| 40 | { | |
| 41 | return __arc_copy_to_user(to, from, n); | |
| 42 | } | |
| 43 | EXPORT_SYMBOL(arc_copy_to_user_noinline); | |
| 44 | ||
| 45 | unsigned long arc_clear_user_noinline(void __user *to, | |
| 46 | unsigned long n) | |
| 47 | { | |
| 48 | return __arc_clear_user(to, n); | |
| 49 | } | |
| 50 | EXPORT_SYMBOL(arc_clear_user_noinline); | |
| 51 | ||
| 955ad595 | 52 | long arc_strncpy_from_user_noinline(char *dst, const char __user *src, |
| 43697cb0 VG |
53 | long count) |
| 54 | { | |
| 55 | return __arc_strncpy_from_user(dst, src, count); | |
| 56 | } | |
| 57 | EXPORT_SYMBOL(arc_strncpy_from_user_noinline); | |
| 58 | ||
| 59 | long arc_strnlen_user_noinline(const char __user *src, long n) | |
| 60 | { | |
| 61 | return __arc_strnlen_user(src, n); | |
| 62 | } | |
| 63 | EXPORT_SYMBOL(arc_strnlen_user_noinline); | |
| 64 | #endif |