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_Main_performHomogeneousSpaceCompact(JNIEnv *,jclass)26 extern "C" JNIEXPORT jboolean JNICALL Java_Main_performHomogeneousSpaceCompact(JNIEnv*, jclass) {
27 return Runtime::Current()->GetHeap()->PerformHomogeneousSpaceCompact() == gc::kSuccess ?
28 JNI_TRUE : JNI_FALSE;
29 }
30
Java_Main_supportHomogeneousSpaceCompact(JNIEnv *,jclass)31 extern "C" JNIEXPORT jboolean JNICALL Java_Main_supportHomogeneousSpaceCompact(JNIEnv*, jclass) {
32 return Runtime::Current()->GetHeap()->SupportHomogeneousSpaceCompactAndCollectorTransitions() ?
33 JNI_TRUE : JNI_FALSE;
34 }
35
Java_Main_incrementDisableMovingGC(JNIEnv *,jclass)36 extern "C" JNIEXPORT void JNICALL Java_Main_incrementDisableMovingGC(JNIEnv*, jclass) {
37 Runtime::Current()->GetHeap()->IncrementDisableMovingGC(Thread::Current());
38 }
39
Java_Main_decrementDisableMovingGC(JNIEnv *,jclass)40 extern "C" JNIEXPORT void JNICALL Java_Main_decrementDisableMovingGC(JNIEnv*, jclass) {
41 Runtime::Current()->GetHeap()->DecrementDisableMovingGC(Thread::Current());
42 }
43
Java_Main_objectAddress(JNIEnv * env,jclass,jobject object)44 extern "C" JNIEXPORT jlong JNICALL Java_Main_objectAddress(JNIEnv* env, jclass, jobject object) {
45 ScopedObjectAccess soa(env);
46 return reinterpret_cast<jlong>(soa.Decode<mirror::Object>(object).Ptr());
47 }
48
Java_Main_supportCollectorTransition(JNIEnv *,jclass)49 extern "C" JNIEXPORT jboolean JNICALL Java_Main_supportCollectorTransition(JNIEnv*, jclass) {
50 // Same as supportHomogeneousSpaceCompact for now.
51 return Runtime::Current()->GetHeap()->SupportHomogeneousSpaceCompactAndCollectorTransitions() ?
52 JNI_TRUE : JNI_FALSE;
53 }
54
Java_Main_transitionToSS(JNIEnv *,jclass)55 extern "C" JNIEXPORT void JNICALL Java_Main_transitionToSS(JNIEnv*, jclass) {
56 Runtime::Current()->GetHeap()->TransitionCollector(gc::kCollectorTypeSS);
57 }
58
Java_Main_transitionToCMS(JNIEnv *,jclass)59 extern "C" JNIEXPORT void JNICALL Java_Main_transitionToCMS(JNIEnv*, jclass) {
60 Runtime::Current()->GetHeap()->TransitionCollector(gc::kCollectorTypeCMS);
61 }
62
63 } // namespace
64 } // namespace art
65