| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "jni.h" |
| |
| #include "gc/heap.h" |
| #include "gc/space/image_space.h" |
| #include "gc/space/space-inl.h" |
| #include "gc/space/region_space.h" |
| #include "image.h" |
| #include "mirror/class.h" |
| #include "runtime.h" |
| #include "scoped_thread_state_change-inl.h" |
| |
| namespace art { |
| |
| namespace { |
| |
| extern "C" JNIEXPORT jint JNICALL Java_Main_getRegionSize(JNIEnv*, jclass) { |
| return gc::space::RegionSpace::kRegionSize; |
| } |
| |
| extern "C" JNIEXPORT jint JNICALL Java_Main_checkAppImageSectionSize(JNIEnv*, jclass, jclass c) { |
| ScopedObjectAccess soa(Thread::Current()); |
| ObjPtr<mirror::Class> klass_ptr = soa.Decode<mirror::Class>(c); |
| for (auto* space : Runtime::Current()->GetHeap()->GetContinuousSpaces()) { |
| if (space->IsImageSpace()) { |
| auto* image_space = space->AsImageSpace(); |
| const auto& image_header = image_space->GetImageHeader(); |
| if (image_header.IsAppImage() && image_space->HasAddress(klass_ptr.Ptr())) { |
| return image_header.GetObjectsSection().Size(); |
| } |
| } |
| } |
| return 0; |
| } |
| |
| } // namespace |
| |
| } // namespace art |
