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 get_function_version()25int 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. version_zero_function2()30int version_zero_function2() { 31 return 40000; 32 } 33