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package com.oracle.truffle.llvm.nodes.intrinsics.interop;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.NodeChildren;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.llvm.nodes.intrinsics.llvm.LLVMIntrinsic;
import com.oracle.truffle.llvm.runtime.LLVMAddress;
import com.oracle.truffle.llvm.runtime.LLVMContext;
import com.oracle.truffle.llvm.runtime.LLVMLogger;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.options.LLVMOptions;
@NodeChildren({@NodeChild(type = LLVMExpressionNode.class)})
public abstract class LLVMTruffleHandleToManaged extends LLVMIntrinsic {
private static final boolean TRACE = !LLVMLogger.TARGET_NONE.equals(LLVMOptions.DEBUG.debug());
@Specialization
public TruffleObject executeIntrinsic(Object rawHandle, @Cached("getContext()") LLVMContext context, @Cached("getForceLLVMAddressNode()") LLVMForceLLVMAddressNode forceAddressNode) {
LLVMAddress handle = forceAddressNode.executeWithTarget(rawHandle);
TruffleObject object = context.getManagedObjectForHandle(handle);
if (TRACE) {
trace(handle, object);
}
return object;
}
@TruffleBoundary
private static void trace(LLVMAddress address, TruffleObject object) {
LLVMLogger.print(LLVMOptions.DEBUG.debug()).accept(
String.format("[sulong] Managed object (%s) for native handle (%s) requested.", String.valueOf(object), String.valueOf(address)));
}
}