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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
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*
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.oracle.svm.core.c;
import com.oracle.svm.core.graal.code.CGlobalDataInfo;
import org.graalvm.collections.EconomicMap;
import org.graalvm.collections.Equivalence;
import org.graalvm.nativeimage.Platform;
import org.graalvm.nativeimage.Platforms;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
/*
* The following class is a helper registry, that contains only CGlobalDataInfo for
* non-constant symbols defining during image generation. This object will be burned
* into a native image.
*/
public class CGlobalDataNonConstantRegistry {
private final EconomicMap<CGlobalDataImpl<?>, CGlobalDataInfo> cGlobalDataInfos = EconomicMap.create(Equivalence.IDENTITY);
@Platforms(Platform.HOSTED_ONLY.class) //
private final Lock lock = new ReentrantLock();
public CGlobalDataInfo getCGlobalDataInfo(CGlobalDataImpl<?> cGlobalData) {
return cGlobalDataInfos.get(cGlobalData);
}
@Platforms(Platform.HOSTED_ONLY.class)
public void registerNonConstantSymbol(CGlobalDataInfo cGlobalDataInfo) {
lock.lock();
try {
cGlobalDataInfos.put(cGlobalDataInfo.getData(), cGlobalDataInfo);
} finally {
lock.unlock();
}
}
}