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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 extern "C" {
     18   int versioned_function();
     19 
     20   int get_function_version();
     21   int version_zero_function();
     22   int version_zero_function2() __attribute__((weak));
     23 }
     24 
     25 int get_function_version() {
     26   return version_zero_function2() + version_zero_function() + versioned_function();
     27 }
     28 
     29 // we expect this function to be preempted by main executable.
     30 int version_zero_function2() {
     31   return 40000;
     32 }
     33