content: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * 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 java.io.File;
  import java.io.IOException;
  import java.lang.reflect.Method;
  
  public class Main {
  
    public static void main(String[] args) throws Exception {
      System.loadLibrary(args[0]);
  
      File file = null;
      try {
        file = createTempFile();
        // String codePath = getDexBaseLocation();
        String codePath = System.getenv("DEX_LOCATION") + "/595-profile-saving.jar";
        VMRuntime.registerAppInfo(file.getPath(),
                                  System.getenv("DEX_LOCATION"),
                                  new String[] {codePath},
                                  /* foreignProfileDir */ null);
  
        int methodIdx = $opt$noinline$testProfile();
        ensureProfileProcessing();
        if (!presentInProfile(file.getPath(), methodIdx)) {
          throw new RuntimeException("Method with index " + methodIdx + " not in the profile");
        }
      } finally {
        if (file != null) {
          file.delete();
        }
      }
    }
  
    public static int $opt$noinline$testProfile() {
      if (doThrow) throw new Error();
      // Make sure we have a profile info for this method without the need to loop.
      return ensureProfilingInfo("$opt$noinline$testProfile");
    }
  
    // Return the dex method index.
    public static native int ensureProfilingInfo(String methodName);
    // Ensures the profile saver does its usual processing.
    public static native void ensureProfileProcessing();
    // Checks if the profiles saver knows about the method.
    public static native boolean presentInProfile(String profile, int methodIdx);
  
    public static boolean doThrow = false;
    private static final String TEMP_FILE_NAME_PREFIX = "dummy";
    private static final String TEMP_FILE_NAME_SUFFIX = "-file";
  
    static native String getProfileInfoDump(
        String filename);
  
    private static File createTempFile() throws Exception {
      try {
        return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
      } catch (IOException e) {
        System.setProperty("java.io.tmpdir", "/data/local/tmp");
        try {
          return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
        } catch (IOException e2) {
          System.setProperty("java.io.tmpdir", "/sdcard");
          return File.createTempFile(TEMP_FILE_NAME_PREFIX, TEMP_FILE_NAME_SUFFIX);
        }
      }
    }
  
    private static class VMRuntime {
      private static final Method registerAppInfoMethod;
      static {
        try {
          Class<? extends Object> c = Class.forName("dalvik.system.VMRuntime");
          registerAppInfoMethod = c.getDeclaredMethod("registerAppInfo",
              String.class, String.class, String[].class, String.class);
        } catch (Exception e) {
          throw new RuntimeException(e);
        }
      }
  
      public static void registerAppInfo(String profile, String appDir,
                                         String[] codePaths, String foreignDir) throws Exception {
        registerAppInfoMethod.invoke(null, profile, appDir, codePaths, foreignDir);
      }
    }
  }
  