pw_bloat/examples/simple_function.cc

// Copyright 2019 The Pigweed Authors
//
// 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
//
//     https://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.

char* volatile non_optimizable_pointer;

int SimpleFunction() { return *non_optimizable_pointer; }

int main(int argc, char** argv) {
  (void)argc;
  (void)argv;

  // Add function and call to this binary.
  *non_optimizable_pointer = SimpleFunction();
  return SimpleFunction();
}