| //===-- sanitizer_redefine_builtins.h ---------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Redefine builtin functions to use internal versions. This is needed where |
| // compiler optimizations end up producing unwanted libcalls! |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef SANITIZER_COMMON_NO_REDEFINE_BUILTINS |
| #ifndef SANITIZER_REDEFINE_BUILTINS_H |
| #define SANITIZER_REDEFINE_BUILTINS_H |
| |
| // The asm hack only works with GCC and Clang. |
| #if !defined(_MSC_VER) || defined(__clang__) |
| |
| asm("memcpy = __sanitizer_internal_memcpy"); |
| asm("memmove = __sanitizer_internal_memmove"); |
| asm("memset = __sanitizer_internal_memset"); |
| |
| #endif // !_MSC_VER || __clang__ |
| |
| #endif // SANITIZER_REDEFINE_BUILTINS_H |
| #endif // SANITIZER_COMMON_NO_REDEFINE_BUILTINS |
