64 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
 | |
|  * Copyright 2017 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 "jit/jit.h"
 | |
| #include "jit/jit_code_cache.h"
 | |
| #include "mirror/class.h"
 | |
| #include "mirror/string.h"
 | |
| #include "runtime.h"
 | |
| #include "scoped_thread_state_change-inl.h"
 | |
| 
 | |
| namespace art {
 | |
| 
 | |
| // Local class declared as a friend of JitCodeCache so that we can access its internals.
 | |
| class JitJniStubTestHelper {
 | |
|  public:
 | |
|   static bool isNextJitGcFull(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_) {
 | |
|     CHECK(Runtime::Current()->GetJit() != nullptr);
 | |
|     jit::JitCodeCache* cache = Runtime::Current()->GetJit()->GetCodeCache();
 | |
|     MutexLock mu(self, *Locks::jit_lock_);
 | |
|     return cache->ShouldDoFullCollection();
 | |
|   }
 | |
| };
 | |
| 
 | |
| // Calls through to a static method with signature "()V".
 | |
| extern "C" JNIEXPORT
 | |
| void Java_Main_callThrough(JNIEnv* env, jclass, jclass klass, jstring methodName) {
 | |
|   ScopedObjectAccess soa(Thread::Current());
 | |
|   std::string name = soa.Decode<mirror::String>(methodName)->ToModifiedUtf8();
 | |
|   jmethodID method = env->GetStaticMethodID(klass, name.c_str(), "()V");
 | |
|   CHECK(method != nullptr) << soa.Decode<mirror::Class>(klass)->PrettyDescriptor() << "." << name;
 | |
|   env->CallStaticVoidMethod(klass, method);
 | |
| }
 | |
| 
 | |
| extern "C" JNIEXPORT
 | |
| void Java_Main_jitGc(JNIEnv*, jclass) {
 | |
|   CHECK(Runtime::Current()->GetJit() != nullptr);
 | |
|   jit::JitCodeCache* cache = Runtime::Current()->GetJit()->GetCodeCache();
 | |
|   ScopedObjectAccess soa(Thread::Current());
 | |
|   cache->GarbageCollectCache(Thread::Current());
 | |
| }
 | |
| 
 | |
| extern "C" JNIEXPORT
 | |
| jboolean Java_Main_isNextJitGcFull(JNIEnv*, jclass) {
 | |
|   ScopedObjectAccess soa(Thread::Current());
 | |
|   return JitJniStubTestHelper::isNextJitGcFull(soa.Self());
 | |
| }
 | |
| 
 | |
| }  // namespace art
 |