1 /* 2 * Copyright 2016 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 <pthread.h> 18 19 #include <cstdio> 20 #include <iostream> 21 #include <vector> 22 23 #include "jni.h" 24 25 #include "gc/heap.h" 26 #include "gc/space/image_space.h" 27 #include "gc/space/space-inl.h" 28 #include "image.h" 29 #include "mirror/class.h" 30 #include "runtime.h" 31 #include "scoped_thread_state_change-inl.h" 32 33 namespace art { 34 35 namespace { 36 37 extern "C" JNIEXPORT jboolean JNICALL Java_Main_checkAppImageLoaded(JNIEnv*, jclass) { 38 ScopedObjectAccess soa(Thread::Current()); 39 for (auto* space : Runtime::Current()->GetHeap()->GetContinuousSpaces()) { 40 if (space->IsImageSpace()) { 41 auto* image_space = space->AsImageSpace(); 42 const auto& image_header = image_space->GetImageHeader(); 43 if (image_header.IsAppImage()) { 44 return JNI_TRUE; 45 } 46 } 47 } 48 return JNI_FALSE; 49 } 50 51 extern "C" JNIEXPORT jboolean JNICALL Java_Main_checkAppImageContains(JNIEnv*, jclass, jclass c) { 52 ScopedObjectAccess soa(Thread::Current()); 53 ObjPtr<mirror::Class> klass_ptr = soa.Decode<mirror::Class>(c); 54 for (auto* space : Runtime::Current()->GetHeap()->GetContinuousSpaces()) { 55 if (space->IsImageSpace()) { 56 auto* image_space = space->AsImageSpace(); 57 const auto& image_header = image_space->GetImageHeader(); 58 if (image_header.IsAppImage()) { 59 if (image_space->HasAddress(klass_ptr.Ptr())) { 60 return JNI_TRUE; 61 } 62 } 63 } 64 } 65 return JNI_FALSE; 66 } 67 68 extern "C" JNIEXPORT jboolean JNICALL Java_Main_checkInitialized(JNIEnv*, jclass, jclass c) { 69 ScopedObjectAccess soa(Thread::Current()); 70 ObjPtr<mirror::Class> klass_ptr = soa.Decode<mirror::Class>(c); 71 return klass_ptr->IsInitialized(); 72 } 73 74 } // namespace 75 76 } // namespace art 77
