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 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 31 extern "C" JNIEXPORT jboolean JNICALL Java_Main_supportHomogeneousSpaceCompact(JNIEnv*, jclass) { 32 return Runtime::Current()->GetHeap()->SupportHomogeneousSpaceCompactAndCollectorTransitions() ? 33 JNI_TRUE : JNI_FALSE; 34 } 35 36 extern "C" JNIEXPORT void JNICALL Java_Main_incrementDisableMovingGC(JNIEnv*, jclass) { 37 Runtime::Current()->GetHeap()->IncrementDisableMovingGC(Thread::Current()); 38 } 39 40 extern "C" JNIEXPORT void JNICALL Java_Main_decrementDisableMovingGC(JNIEnv*, jclass) { 41 Runtime::Current()->GetHeap()->DecrementDisableMovingGC(Thread::Current()); 42 } 43 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 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 55 extern "C" JNIEXPORT void JNICALL Java_Main_transitionToSS(JNIEnv*, jclass) { 56 Runtime::Current()->GetHeap()->TransitionCollector(gc::kCollectorTypeSS); 57 } 58 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
