Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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 |
| 20 | extern char *strrchr(const char *, int c); |
| 21 | |
| 22 | #define __HAVE_ARCH_STRCHR |
| 23 | extern char *strchr(const char *, int c); |
| 24 | |
| 25 | #define __HAVE_ARCH_STRCMP |
| 26 | extern int strcmp(const char *, const char *); |
| 27 | |
| 28 | #define __HAVE_ARCH_STRNCMP |
| 29 | extern int strncmp(const char *, const char *, __kernel_size_t); |
| 30 | |
| 31 | #define __HAVE_ARCH_STRLEN |
| 32 | extern __kernel_size_t strlen(const char *); |
| 33 | |
| 34 | #define __HAVE_ARCH_STRNLEN |
| 35 | extern __kernel_size_t strnlen(const char *, __kernel_size_t); |
| 36 | |
| 37 | #define __HAVE_ARCH_MEMCPY |
| 38 | extern void *memcpy(void *, const void *, __kernel_size_t); |
| 39 | extern void *__memcpy(void *, const void *, __kernel_size_t); |
| 40 | |
| 41 | #define __HAVE_ARCH_MEMMOVE |
| 42 | extern void *memmove(void *, const void *, __kernel_size_t); |
| 43 | extern void *__memmove(void *, const void *, __kernel_size_t); |
| 44 | |
| 45 | #define __HAVE_ARCH_MEMCHR |
| 46 | extern void *memchr(const void *, int, __kernel_size_t); |
| 47 | |
| 48 | #define __HAVE_ARCH_MEMSET |
| 49 | extern void *memset(void *, int, __kernel_size_t); |
| 50 | extern void *__memset(void *, int, __kernel_size_t); |
| 51 | |
| 52 | #define __HAVE_ARCH_MEMCMP |
| 53 | extern int memcmp(const void *, const void *, size_t); |
| 54 | |
| 55 | #ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE |
| 56 | #define __HAVE_ARCH_MEMCPY_FLUSHCACHE |
| 57 | void memcpy_flushcache(void *dst, const void *src, size_t cnt); |
| 58 | #endif |
| 59 | |
| 60 | #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) |
| 61 | |
| 62 | /* |
| 63 | * For files that are not instrumented (e.g. mm/slub.c) we |
| 64 | * should use not instrumented version of mem* functions. |
| 65 | */ |
| 66 | |
| 67 | #define memcpy(dst, src, len) __memcpy(dst, src, len) |
| 68 | #define memmove(dst, src, len) __memmove(dst, src, len) |
| 69 | #define memset(s, c, n) __memset(s, c, n) |
| 70 | |
| 71 | #ifndef __NO_FORTIFY |
| 72 | #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */ |
| 73 | #endif |
| 74 | |
| 75 | #endif |
| 76 | |
| 77 | #endif |