# Copyright (c) 2021 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("///build/config/sanitizers/sanitizers.gni")

fuzzing_engine_remove_configs = [
  "//build/config/coverage:default_coverage",
  "//build/config/sanitizers:default_sanitizer_flags",
]

fuzzing_engine_add_configs =
    [ "//build/config/sanitizers:default_sanitizer_flags_but_coverage" ]

source_set("libfuzzer") {
  sources = [
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerCrossOver.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerDataFlowTrace.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerExtFunctionsDlsym.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerExtFunctionsWeak.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerExtFunctionsWindows.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerExtraCounters.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerFork.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerIO.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerIOPosix.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerIOWindows.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerMerge.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerMutate.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerSHA1.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerTracePC.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtil.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtilDarwin.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtilFuchsia.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtilLinux.cpp",
    "//third_party/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtilPosix.cpp",
  ]

  configs -= fuzzing_engine_remove_configs
  configs += fuzzing_engine_add_configs
}

if (use_afl) {
  source_set("afl_driver") {
    sources = [ "src/afl/afl_driver.cpp" ]

    configs -= fuzzing_engine_remove_configs
    configs += fuzzing_engine_add_configs
  }
}