1/*
2 * Copyright (C) 2013 ARM Ltd.
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 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15 */
16#ifndef __ASM_STRING_H
17#define __ASM_STRING_H
18
19#define __HAVE_ARCH_STRRCHR
20extern char *strrchr(const char *, int c);
21
22#define __HAVE_ARCH_STRCHR
23extern char *strchr(const char *, int c);
24
25#define __HAVE_ARCH_STRCMP
26extern int strcmp(const char *, const char *);
27
28#define __HAVE_ARCH_STRNCMP
29extern int strncmp(const char *, const char *, __kernel_size_t);
30
31#define __HAVE_ARCH_STRLEN
32extern __kernel_size_t strlen(const char *);
33
34#define __HAVE_ARCH_STRNLEN
35extern __kernel_size_t strnlen(const char *, __kernel_size_t);
36
37#define __HAVE_ARCH_MEMCPY
38extern void *memcpy(void *, const void *, __kernel_size_t);
39extern void *__memcpy(void *, const void *, __kernel_size_t);
40
41#define __HAVE_ARCH_MEMMOVE
42extern void *memmove(void *, const void *, __kernel_size_t);
43extern void *__memmove(void *, const void *, __kernel_size_t);
44
45#define __HAVE_ARCH_MEMCHR
46extern void *memchr(const void *, int, __kernel_size_t);
47
48#define __HAVE_ARCH_MEMSET
49extern void *memset(void *, int, __kernel_size_t);
50extern void *__memset(void *, int, __kernel_size_t);
51
52#define __HAVE_ARCH_MEMCMP
53extern int memcmp(const void *, const void *, size_t);
54
55
56#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
57
58/*
59 * For files that are not instrumented (e.g. mm/slub.c) we
60 * should use not instrumented version of mem* functions.
61 */
62
63#define memcpy(dst, src, len) __memcpy(dst, src, len)
64#define memmove(dst, src, len) __memmove(dst, src, len)
65#define memset(s, c, n) __memset(s, c, n)
66#endif
67
68#endif
69