1 /*
2  * Copyright (C) 2015 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 "gc/heap.h"
18 #include "jni.h"
19 #include "runtime.h"
20 #include "scoped_thread_state_change-inl.h"
21 #include "thread-current-inl.h"
22 
23 namespace art {
24 namespace {
25 
Java_MovingGCThread_performHomogeneousSpaceCompact(JNIEnv *,jclass)26 extern "C" JNIEXPORT jboolean JNICALL Java_MovingGCThread_performHomogeneousSpaceCompact(JNIEnv*, jclass) {
27   return Runtime::Current()->GetHeap()->PerformHomogeneousSpaceCompact() == gc::kSuccess ?
28       JNI_TRUE : JNI_FALSE;
29 }
30 
Java_MovingGCThread_supportHomogeneousSpaceCompact(JNIEnv *,jclass)31 extern "C" JNIEXPORT jboolean JNICALL Java_MovingGCThread_supportHomogeneousSpaceCompact(JNIEnv*, jclass) {
32   return Runtime::Current()->GetHeap()->SupportHomogeneousSpaceCompactAndCollectorTransitions() ?
33       JNI_TRUE : JNI_FALSE;
34 }
35 
Java_MovingGCThread_objectAddress(JNIEnv * env,jclass,jobject object)36 extern "C" JNIEXPORT jlong JNICALL Java_MovingGCThread_objectAddress(JNIEnv* env, jclass, jobject object) {
37   ScopedObjectAccess soa(env);
38   return reinterpret_cast<jlong>(soa.Decode<mirror::Object>(object).Ptr());
39 }
40 
41 }  // namespace
42 }  // namespace art
43