text: // Copyright 2017 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef TESTING_LIBFUZZER_LIBFUZZER_EXPORTS_H_
  #define TESTING_LIBFUZZER_LIBFUZZER_EXPORTS_H_
  
  #include "build/build_config.h"
  
  // On macOS, the linker may strip symbols for functions that are not reachable
  // by the program entrypoint. Several libFuzzer functions are resolved via
  // dlsym at runtime and therefore may be dead-stripped as a result. Including
  // this header in the fuzzer's implementation file will ensure that all the
  // symbols are kept and exported.
  
  #if defined(OS_MACOSX)
  #define EXPORT_FUZZER_FUNCTION \
    __attribute__((used)) __attribute__((visibility("default")))
  #else
  #define EXPORT_FUZZER_FUNCTION
  #endif
  
  extern "C" {
  
  EXPORT_FUZZER_FUNCTION int LLVMFuzzerInitialize(int* argc, char*** argv);
  EXPORT_FUZZER_FUNCTION int LLVMFuzzerTestOneInput(const uint8_t* data,
                                                    size_t size);
  EXPORT_FUZZER_FUNCTION size_t LLVMFuzzerCustomMutator(uint8_t* data,
                                                        size_t size,
                                                        size_t max_size,
                                                        unsigned int seed);
  EXPORT_FUZZER_FUNCTION size_t LLVMFuzzerCustomCrossOver(const uint8_t* data1,
                                                          size_t size1,
                                                          const uint8_t* data2,
                                                          size_t size2,
                                                          uint8_t* out,
                                                          size_t max_out_size,
                                                          unsigned int seed);
  EXPORT_FUZZER_FUNCTION size_t LLVMFuzzerMutate(uint8_t* data,
                                                 size_t size,
                                                 size_t max_size);
  
  }  // extern "C"
  
  #undef EXPORT_FUZZER_FUNCTION
  
  #endif  // TESTING_LIBFUZZER_LIBFUZZER_EXPORTS_H_
  