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