compiler-rt/lib/asan/asan_win_weak_interception.cpp

   1 //===-- asan_win_weak_interception.cpp ------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 // This module should be included in Address Sanitizer when it is implemented as
   9 // a shared library on Windows (dll), in order to delegate the calls of weak
  10 // functions to the implementation in the main executable when a strong
  11 // definition is provided.
  12 //===----------------------------------------------------------------------===//
  13 #ifdef SANITIZER_DYNAMIC
  14 #include "sanitizer_common/sanitizer_win_weak_interception.h"
  15 #include "asan_interface_internal.h"
  16 // Check if strong definitions for weak functions are present in the main
  17 // executable. If that is the case, override dll functions to point to strong
  18 // implementations.
  19 #define INTERFACE_FUNCTION(Name)
  20 #define INTERFACE_WEAK_FUNCTION(Name) INTERCEPT_SANITIZER_WEAK_FUNCTION(Name)
  21 #include "asan_interface.inc"
  22 #endif // SANITIZER_DYNAMIC