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/*
* 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
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