1 /* 2 * Copyright (C) 2014 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 #include "class_linker.h" 18 #include "dex_file-inl.h" 19 #include "mirror/class-inl.h" 20 #include "scoped_thread_state_change.h" 21 #include "thread.h" 22 23 namespace art { 24 25 class NoPatchoatTest { 26 public: 27 static const OatFile::OatDexFile* getOatDexFile(jclass cls) { 28 ScopedObjectAccess soa(Thread::Current()); 29 mirror::Class* klass = soa.Decode<mirror::Class*>(cls); 30 const DexFile& dex_file = klass->GetDexFile(); 31 32 const OatFile::OatDexFile* oat_dex_file = 33 Runtime::Current()->GetClassLinker()->FindOpenedOatDexFileForDexFile(dex_file); 34 35 return oat_dex_file; 36 } 37 38 static bool hasExecutableOat(jclass cls) { 39 const OatFile::OatDexFile* oat_dex_file = getOatDexFile(cls); 40 41 return oat_dex_file != nullptr && oat_dex_file->GetOatFile()->IsExecutable(); 42 } 43 44 static bool isPic(jclass cls) { 45 const OatFile::OatDexFile* oat_dex_file = getOatDexFile(cls); 46 47 if (oat_dex_file == nullptr) { 48 return false; 49 } 50 51 const OatFile* oat_file = oat_dex_file->GetOatFile(); 52 return oat_file->IsPic(); 53 } 54 }; 55 56 extern "C" JNIEXPORT jboolean JNICALL Java_Main_hasExecutableOat(JNIEnv*, jclass cls) { 57 return NoPatchoatTest::hasExecutableOat(cls); 58 } 59 60 extern "C" JNIEXPORT jboolean JNICALL Java_Main_isPic(JNIEnv*, jclass cls) { 61 return NoPatchoatTest::isPic(cls); 62 } 63 64 } // namespace art 65