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