/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "jni.h"
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#include "art_method.h"
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#include "jit/jit.h"
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#include "jit/jit_code_cache.h"
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#include "jni/jni_internal.h"
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#include "mirror/class.h"
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#include "runtime.h"
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#include "scoped_thread_state_change-inl.h"
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#include "thread_list.h"
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namespace art {
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extern "C" JNIEXPORT
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jboolean
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Java_JitCacheChurnTest_removeJitCompiledMethod(JNIEnv* env,
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jclass,
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jobject javaMethod,
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jboolean releaseMemory) {
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if (!Runtime::Current()->UseJitCompilation()) {
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return JNI_FALSE;
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}
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jit::Jit* jit = Runtime::Current()->GetJit();
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jit->WaitForCompilationToFinish(Thread::Current());
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ScopedObjectAccess soa(env);
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ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
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jit::JitCodeCache* code_cache = jit->GetCodeCache();
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// Drop the shared mutator lock
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ScopedThreadSuspension selfSuspension(Thread::Current(), art::ThreadState::kNative);
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// Get exclusive mutator lock with suspend all.
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ScopedSuspendAll suspend("Removing JIT compiled method", /*long_suspend*/true);
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bool removed = code_cache->RemoveMethod(method, static_cast<bool>(releaseMemory));
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return removed ? JNI_TRUE : JNI_FALSE;
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}
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} // namespace art
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