xnu-4570.1.46.tar.gz

[apple/xnu.git] / san / memintrinsics.h

diff --git a/san/memintrinsics.h b/san/memintrinsics.h
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+/*
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+#ifndef _SAN_MEMINTRINSICS_H_
+#define _SAN_MEMINTRINSICS_H_
+
+/*
+ * Non-sanitized versions of memory intrinsics
+ */
+static inline void *__nosan_memcpy(void *dst, const void *src, size_t sz)   { return memcpy(dst, src, sz); }
+static inline void *__nosan_memset(void *src, int c, size_t sz)             { return memset(src, c, sz); }
+static inline void *__nosan_memmove(void *src, const void *dst, size_t sz)  { return memmove(src, dst, sz); }
+static inline int   __nosan_bcmp(const void *a, const void *b, size_t sz)   { return bcmp(a, b, sz); }
+static inline void  __nosan_bcopy(const void *src, void *dst, size_t sz)    { return bcopy(src, dst, sz); }
+static inline int   __nosan_memcmp(const void *a, const void *b, size_t sz) { return memcmp(a, b, sz); }
+static inline void  __nosan_bzero(void *dst, size_t sz)                     { return bzero(dst, sz); }
+
+static inline size_t __nosan_strlcpy(char *dst, const char *src, size_t sz) { return strlcpy(dst, src, sz); }
+static inline char  *__nosan_strncpy(char *dst, const char *src, size_t sz) { return strncpy(dst, src, sz); }
+static inline size_t __nosan_strlcat(char *dst, const char *src, size_t sz) { return strlcat(dst, src, sz); }
+static inline char  *__nosan_strncat(char *dst, const char *src, size_t sz) { return strncat(dst, src, sz); }
+static inline size_t __nosan_strnlen(const char *src, size_t sz)            { return strnlen(src, sz); }
+static inline size_t __nosan_strlen(const char *src)                        { return strlen(src); }
+
+#if KASAN
+void *__asan_memcpy(void *src, const void *dst, size_t sz);
+void *__asan_memset(void *src, int c, size_t sz);
+void *__asan_memmove(void *src, const void *dst, size_t sz);
+void  __asan_bcopy(const void *src, void *dst, size_t sz);
+void  __asan_bzero(void *dst, size_t sz);
+int   __asan_bcmp(const void *a, const void *b, size_t sz);
+int   __asan_memcmp(const void *a, const void *b, size_t sz);
+
+size_t __asan_strlcpy(char *dst, const char *src, size_t sz);
+char  *__asan_strncpy(char *dst, const char *src, size_t sz);
+size_t __asan_strlcat(char *dst, const char *src, size_t sz);
+char  *__asan_strncat(char *dst, const char *src, size_t sz);
+size_t __asan_strnlen(const char *src, size_t sz);
+size_t __asan_strlen(const char *src);
+
+#define memcpy    __asan_memcpy
+#define memmove   __asan_memmove
+#define memset    __asan_memset
+#define bcopy     __asan_bcopy
+#define bzero     __asan_bzero
+#define bcmp      __asan_bcmp
+#define memcmp    __asan_memcmp
+
+#define strlcpy   __asan_strlcpy
+#define strncpy   __asan_strncpy
+#define strlcat   __asan_strlcat
+#define strncat   __asan_strncat
+// #define strnlen   __asan_strnlen
+// #define strlen    __asan_strlen
+
+#endif
+
+#endif /* _SAN_MEMINTRINSICS_H_ */