1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2013 ARM Ltd.
 
 
 
 
 
 
 
 
 
 
 
 
 4 */
 5#ifndef __ASM_STRING_H
 6#define __ASM_STRING_H
 7
 8#ifndef CONFIG_KASAN
 9#define __HAVE_ARCH_STRRCHR
10extern char *strrchr(const char *, int c);
11
12#define __HAVE_ARCH_STRCHR
13extern char *strchr(const char *, int c);
14
15#define __HAVE_ARCH_STRCMP
16extern int strcmp(const char *, const char *);
17
18#define __HAVE_ARCH_STRNCMP
19extern int strncmp(const char *, const char *, __kernel_size_t);
20
21#define __HAVE_ARCH_STRLEN
22extern __kernel_size_t strlen(const char *);
23
24#define __HAVE_ARCH_STRNLEN
25extern __kernel_size_t strnlen(const char *, __kernel_size_t);
26
27#define __HAVE_ARCH_MEMCMP
28extern int memcmp(const void *, const void *, size_t);
29
30#define __HAVE_ARCH_MEMCHR
31extern void *memchr(const void *, int, __kernel_size_t);
32#endif
33
34#define __HAVE_ARCH_MEMCPY
35extern void *memcpy(void *, const void *, __kernel_size_t);
36extern void *__memcpy(void *, const void *, __kernel_size_t);
37
38#define __HAVE_ARCH_MEMMOVE
39extern void *memmove(void *, const void *, __kernel_size_t);
40extern void *__memmove(void *, const void *, __kernel_size_t);
41
 
 
 
42#define __HAVE_ARCH_MEMSET
43extern void *memset(void *, int, __kernel_size_t);
44extern void *__memset(void *, int, __kernel_size_t);
45
46#ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE
47#define __HAVE_ARCH_MEMCPY_FLUSHCACHE
48void memcpy_flushcache(void *dst, const void *src, size_t cnt);
49#endif
50
51#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
52
53/*
54 * For files that are not instrumented (e.g. mm/slub.c) we
55 * should use not instrumented version of mem* functions.
56 */
57
58#define memcpy(dst, src, len) __memcpy(dst, src, len)
59#define memmove(dst, src, len) __memmove(dst, src, len)
60#define memset(s, c, n) __memset(s, c, n)
61
62#ifndef __NO_FORTIFY
63#define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
64#endif
65
66#endif
67
68#endif

 
 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