28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_16;
  29 
  30 import org.graalvm.compiler.core.common.PermanentBailoutException;
  31 import org.graalvm.compiler.graph.Node;
  32 import org.graalvm.compiler.graph.NodeClass;
  33 import org.graalvm.compiler.graph.spi.Canonicalizable;
  34 import org.graalvm.compiler.graph.spi.CanonicalizerTool;
  35 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator;
  36 import org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction;
  37 import org.graalvm.compiler.hotspot.nodes.DeoptimizingStubCall;
  38 import org.graalvm.compiler.hotspot.word.KlassPointer;
  39 import org.graalvm.compiler.lir.LIRFrameState;
  40 import org.graalvm.compiler.nodeinfo.NodeInfo;
  41 import org.graalvm.compiler.nodes.NodeView;
  42 import org.graalvm.compiler.nodes.ValueNode;
  43 import org.graalvm.compiler.nodes.spi.LIRLowerable;
  44 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
  45 import org.graalvm.compiler.nodes.util.GraphUtil;
  46 import org.graalvm.compiler.word.Word;
  47 

  48 import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant;
  49 import jdk.vm.ci.hotspot.HotSpotObjectConstant;
  50 import jdk.vm.ci.meta.Constant;
  51 import jdk.vm.ci.meta.Value;
  52 
  53 /**
  54  * A call to the VM via a regular stub.
  55  */
  56 @NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_16)
  57 public class ResolveConstantStubCall extends DeoptimizingStubCall implements Canonicalizable, LIRLowerable {
  58     public static final NodeClass<ResolveConstantStubCall> TYPE = NodeClass.create(ResolveConstantStubCall.class);
  59 
  60     @OptionalInput protected ValueNode value;
  61     @Input protected ValueNode string;
  62     protected Constant constant;
  63     protected HotSpotConstantLoadAction action;
  64 
  65     public ResolveConstantStubCall(ValueNode value, ValueNode string) {
  66         super(TYPE, value.stamp(NodeView.DEFAULT));
  67         this.value = value;

  83     public static native KlassPointer resolveKlass(KlassPointer value, Word symbol);
  84 
  85     @NodeIntrinsic
  86     public static native KlassPointer resolveKlass(KlassPointer value, Word symbol, @ConstantNodeParameter HotSpotConstantLoadAction action);
  87 
  88     @Override
  89     public Node canonical(CanonicalizerTool tool) {
  90         if (value != null) {
  91             constant = GraphUtil.foldIfConstantAndRemove(this, value);
  92         }
  93         return this;
  94     }
  95 
  96     @Override
  97     public void generate(NodeLIRBuilderTool gen) {
  98         assert constant != null : "Expected the value to fold: " + value;
  99         Value stringValue = gen.operand(string);
 100         Value result;
 101         LIRFrameState fs = gen.state(this);
 102         assert fs != null : "The stateAfter is null";
 103         if (constant instanceof HotSpotObjectConstant) {
 104             result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitObjectConstantRetrieval(constant, stringValue, fs);
 105         } else if (constant instanceof HotSpotMetaspaceConstant) {
 106             if (action == HotSpotConstantLoadAction.RESOLVE) {
 107                 result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitMetaspaceConstantRetrieval(constant, stringValue, fs);
 108             } else {
 109                 assert action == HotSpotConstantLoadAction.INITIALIZE;
 110                 result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitKlassInitializationAndRetrieval(constant, stringValue, fs);
 111             }
 112         } else {
 113             throw new PermanentBailoutException("Unsupported constant type: " + constant);
 114         }
 115         gen.setResult(this, result);
 116     }
 117 }

  28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_16;
  29 
  30 import org.graalvm.compiler.core.common.PermanentBailoutException;
  31 import org.graalvm.compiler.graph.Node;
  32 import org.graalvm.compiler.graph.NodeClass;
  33 import org.graalvm.compiler.graph.spi.Canonicalizable;
  34 import org.graalvm.compiler.graph.spi.CanonicalizerTool;
  35 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator;
  36 import org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction;
  37 import org.graalvm.compiler.hotspot.nodes.DeoptimizingStubCall;
  38 import org.graalvm.compiler.hotspot.word.KlassPointer;
  39 import org.graalvm.compiler.lir.LIRFrameState;
  40 import org.graalvm.compiler.nodeinfo.NodeInfo;
  41 import org.graalvm.compiler.nodes.NodeView;
  42 import org.graalvm.compiler.nodes.ValueNode;
  43 import org.graalvm.compiler.nodes.spi.LIRLowerable;
  44 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
  45 import org.graalvm.compiler.nodes.util.GraphUtil;
  46 import org.graalvm.compiler.word.Word;
  47 
  48 import jdk.vm.ci.hotspot.HotSpotConstantPoolObject;
  49 import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant;
  50 import jdk.vm.ci.hotspot.HotSpotObjectConstant;
  51 import jdk.vm.ci.meta.Constant;
  52 import jdk.vm.ci.meta.Value;
  53 
  54 /**
  55  * A call to the VM via a regular stub.
  56  */
  57 @NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_16)
  58 public class ResolveConstantStubCall extends DeoptimizingStubCall implements Canonicalizable, LIRLowerable {
  59     public static final NodeClass<ResolveConstantStubCall> TYPE = NodeClass.create(ResolveConstantStubCall.class);
  60 
  61     @OptionalInput protected ValueNode value;
  62     @Input protected ValueNode string;
  63     protected Constant constant;
  64     protected HotSpotConstantLoadAction action;
  65 
  66     public ResolveConstantStubCall(ValueNode value, ValueNode string) {
  67         super(TYPE, value.stamp(NodeView.DEFAULT));
  68         this.value = value;

  84     public static native KlassPointer resolveKlass(KlassPointer value, Word symbol);
  85 
  86     @NodeIntrinsic
  87     public static native KlassPointer resolveKlass(KlassPointer value, Word symbol, @ConstantNodeParameter HotSpotConstantLoadAction action);
  88 
  89     @Override
  90     public Node canonical(CanonicalizerTool tool) {
  91         if (value != null) {
  92             constant = GraphUtil.foldIfConstantAndRemove(this, value);
  93         }
  94         return this;
  95     }
  96 
  97     @Override
  98     public void generate(NodeLIRBuilderTool gen) {
  99         assert constant != null : "Expected the value to fold: " + value;
 100         Value stringValue = gen.operand(string);
 101         Value result;
 102         LIRFrameState fs = gen.state(this);
 103         assert fs != null : "The stateAfter is null";
 104         if (constant instanceof HotSpotObjectConstant || constant instanceof HotSpotConstantPoolObject) {
 105             result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitObjectConstantRetrieval(constant, stringValue, fs);
 106         } else if (constant instanceof HotSpotMetaspaceConstant) {
 107             if (action == HotSpotConstantLoadAction.RESOLVE) {
 108                 result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitMetaspaceConstantRetrieval(constant, stringValue, fs);
 109             } else {
 110                 assert action == HotSpotConstantLoadAction.INITIALIZE;
 111                 result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitKlassInitializationAndRetrieval(constant, stringValue, fs);
 112             }
 113         } else {
 114             throw new PermanentBailoutException("Unsupported constant type: " + constant);
 115         }
 116         gen.setResult(this, result);
 117     }
 118 }