blob: 1284a8703d0cbf61f1cffd1ece4dd70b7bacc0d0 [file] [log] [blame]
/*
* Copyright (C) 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 "art_method.h"
#include "jit/jit.h"
#include "jit/jit_code_cache.h"
#include "jni_internal.h"
#include "mirror/class.h"
#include "runtime.h"
#include "scoped_thread_state_change-inl.h"
#include "thread_list.h"
namespace art {
extern "C" JNIEXPORT
jboolean
Java_JitCacheChurnTest_removeJitCompiledMethod(JNIEnv* env,
jclass,
jobject javaMethod,
jboolean releaseMemory) {
if (!Runtime::Current()->UseJitCompilation()) {
return JNI_FALSE;
}
jit::Jit* jit = Runtime::Current()->GetJit();
jit->WaitForCompilationToFinish(Thread::Current());
ScopedObjectAccess soa(env);
ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
jit::JitCodeCache* code_cache = jit->GetCodeCache();
// Drop the shared mutator lock
ScopedThreadSuspension selfSuspension(Thread::Current(), art::ThreadState::kNative);
// Get exclusive mutator lock with suspend all.
ScopedSuspendAll suspend("Removing JIT compiled method", /*long_suspend*/true);
bool removed = code_cache->RemoveMethod(method, static_cast<bool>(releaseMemory));
return removed ? JNI_TRUE : JNI_FALSE;
}
} // namespace art