san/memintrinsics.h

   1 /*
   2  * Copyright (c) 2016 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 #ifndef _SAN_MEMINTRINSICS_H_
  29 #define _SAN_MEMINTRINSICS_H_
  30
  31 /*
  32  * Non-sanitized versions of memory intrinsics
  33  */
  34 static inline void *__nosan_memcpy(void *dst, const void *src, size_t sz)   { return memcpy(dst, src, sz); }
  35 static inline void *__nosan_memset(void *src, int c, size_t sz)             { return memset(src, c, sz); }
  36 static inline void *__nosan_memmove(void *src, const void *dst, size_t sz)  { return memmove(src, dst, sz); }
  37 static inline int   __nosan_bcmp(const void *a, const void *b, size_t sz)   { return bcmp(a, b, sz); }
  38 static inline void  __nosan_bcopy(const void *src, void *dst, size_t sz)    { return bcopy(src, dst, sz); }
  39 static inline int   __nosan_memcmp(const void *a, const void *b, size_t sz) { return memcmp(a, b, sz); }
  40 static inline void  __nosan_bzero(void *dst, size_t sz)                     { return bzero(dst, sz); }
  41
  42 static inline size_t __nosan_strlcpy(char *dst, const char *src, size_t sz) { return strlcpy(dst, src, sz); }
  43 static inline char  *__nosan_strncpy(char *dst, const char *src, size_t sz) { return strncpy(dst, src, sz); }
  44 static inline size_t __nosan_strlcat(char *dst, const char *src, size_t sz) { return strlcat(dst, src, sz); }
  45 static inline char  *__nosan_strncat(char *dst, const char *src, size_t sz) { return strncat(dst, src, sz); }
  46 static inline size_t __nosan_strnlen(const char *src, size_t sz)            { return strnlen(src, sz); }
  47 static inline size_t __nosan_strlen(const char *src)                        { return strlen(src); }
  48
  49 #if KASAN
  50 void *__asan_memcpy(void *src, const void *dst, size_t sz);
  51 void *__asan_memset(void *src, int c, size_t sz);
  52 void *__asan_memmove(void *src, const void *dst, size_t sz);
  53 void  __asan_bcopy(const void *src, void *dst, size_t sz);
  54 void  __asan_bzero(void *dst, size_t sz);
  55 int   __asan_bcmp(const void *a, const void *b, size_t sz);
  56 int   __asan_memcmp(const void *a, const void *b, size_t sz);
  57
  58 size_t __asan_strlcpy(char *dst, const char *src, size_t sz);
  59 char  *__asan_strncpy(char *dst, const char *src, size_t sz);
  60 size_t __asan_strlcat(char *dst, const char *src, size_t sz);
  61 char  *__asan_strncat(char *dst, const char *src, size_t sz);
  62 size_t __asan_strnlen(const char *src, size_t sz);
  63 size_t __asan_strlen(const char *src);
  64
  65 #define memcpy    __asan_memcpy
  66 #define memmove   __asan_memmove
  67 #define memset    __asan_memset
  68 #define bcopy     __asan_bcopy
  69 #define bzero     __asan_bzero
  70 #define bcmp      __asan_bcmp
  71 #define memcmp    __asan_memcmp
  72
  73 #define strlcpy   __asan_strlcpy
  74 #define strncpy   __asan_strncpy
  75 #define strlcat   __asan_strlcat
  76 #define strncat   __asan_strncat
  77 // #define strnlen   __asan_strnlen
  78 // #define strlen    __asan_strlen
  79
  80 #endif
  81
  82 #endif /* _SAN_MEMINTRINSICS_H_ */