https://www.graalvm.org/ 
public final class com.oracle.svm.core.nodes.CFunctionPrologueDataNode extends org.graalvm.compiler.nodes.ValueNode implements com.oracle.svm.core.nodes.CPrologueData, org.graalvm.compiler.nodes.spi.LIRLowerable
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.svm.core.nodes.CFunctionPrologueDataNode
  super_class: org.graalvm.compiler.nodes.ValueNode
{
  public static final org.graalvm.compiler.graph.NodeClass<com.oracle.svm.core.nodes.CFunctionPrologueDataNode> TYPE;
    descriptor: Lorg/graalvm/compiler/graph/NodeClass;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Signature: Lorg/graalvm/compiler/graph/NodeClass<Lcom/oracle/svm/core/nodes/CFunctionPrologueDataNode;>;

  org.graalvm.compiler.nodes.ValueNode frameAnchor;
    descriptor: Lorg/graalvm/compiler/nodes/ValueNode;
    flags: (0x0000) 
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.graph.Node$Input()

  private final int newThreadStatus;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 47
            ldc Lcom/oracle/svm/core/nodes/CFunctionPrologueDataNode;
            invokestatic org.graalvm.compiler.graph.NodeClass.create:(Ljava/lang/Class;)Lorg/graalvm/compiler/graph/NodeClass;
            putstatic com.oracle.svm.core.nodes.CFunctionPrologueDataNode.TYPE:Lorg/graalvm/compiler/graph/NodeClass;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.graalvm.compiler.nodes.ValueNode, int);
    descriptor: (Lorg/graalvm/compiler/nodes/ValueNode;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // com.oracle.svm.core.nodes.CFunctionPrologueDataNode this
        start local 1 // org.graalvm.compiler.nodes.ValueNode frameAnchor
        start local 2 // int newThreadStatus
         0: .line 53
            aload 0 /* this */
            getstatic com.oracle.svm.core.nodes.CFunctionPrologueDataNode.TYPE:Lorg/graalvm/compiler/graph/NodeClass;
            aload 1 /* frameAnchor */
            getstatic org.graalvm.compiler.nodes.NodeView.DEFAULT:Lorg/graalvm/compiler/nodes/NodeView;
            invokevirtual org.graalvm.compiler.nodes.ValueNode.stamp:(Lorg/graalvm/compiler/nodes/NodeView;)Lorg/graalvm/compiler/core/common/type/Stamp;
            invokespecial org.graalvm.compiler.nodes.ValueNode.<init>:(Lorg/graalvm/compiler/graph/NodeClass;Lorg/graalvm/compiler/core/common/type/Stamp;)V
         1: .line 54
            aload 0 /* this */
            aload 1 /* frameAnchor */
            putfield com.oracle.svm.core.nodes.CFunctionPrologueDataNode.frameAnchor:Lorg/graalvm/compiler/nodes/ValueNode;
         2: .line 55
            aload 0 /* this */
            iload 2 /* newThreadStatus */
            putfield com.oracle.svm.core.nodes.CFunctionPrologueDataNode.newThreadStatus:I
         3: .line 56
            return
        end local 2 // int newThreadStatus
        end local 1 // org.graalvm.compiler.nodes.ValueNode frameAnchor
        end local 0 // com.oracle.svm.core.nodes.CFunctionPrologueDataNode this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    4     0             this  Lcom/oracle/svm/core/nodes/CFunctionPrologueDataNode;
            0    4     1      frameAnchor  Lorg/graalvm/compiler/nodes/ValueNode;
            0    4     2  newThreadStatus  I
    MethodParameters:
                 Name  Flags
      frameAnchor      
      newThreadStatus  

  public org.graalvm.compiler.nodes.ValueNode frameAnchor();
    descriptor: ()Lorg/graalvm/compiler/nodes/ValueNode;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.svm.core.nodes.CFunctionPrologueDataNode this
         0: .line 59
            aload 0 /* this */
            getfield com.oracle.svm.core.nodes.CFunctionPrologueDataNode.frameAnchor:Lorg/graalvm/compiler/nodes/ValueNode;
            areturn
        end local 0 // com.oracle.svm.core.nodes.CFunctionPrologueDataNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/core/nodes/CFunctionPrologueDataNode;

  public int getNewThreadStatus();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.svm.core.nodes.CFunctionPrologueDataNode this
         0: .line 63
            aload 0 /* this */
            getfield com.oracle.svm.core.nodes.CFunctionPrologueDataNode.newThreadStatus:I
            ireturn
        end local 0 // com.oracle.svm.core.nodes.CFunctionPrologueDataNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/core/nodes/CFunctionPrologueDataNode;

  public void generate(org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool);
    descriptor: (Lorg/graalvm/compiler/nodes/spi/NodeLIRBuilderTool;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=2, args_size=2
        start local 0 // com.oracle.svm.core.nodes.CFunctionPrologueDataNode this
        start local 1 // org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool generator
         0: .line 69
            return
        end local 1 // org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool generator
        end local 0 // com.oracle.svm.core.nodes.CFunctionPrologueDataNode this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lcom/oracle/svm/core/nodes/CFunctionPrologueDataNode;
            0    1     1  generator  Lorg/graalvm/compiler/nodes/spi/NodeLIRBuilderTool;
    MethodParameters:
           Name  Flags
      generator  

  public static native com.oracle.svm.core.nodes.CPrologueData cFunctionPrologueData(com.oracle.svm.core.stack.JavaFrameAnchor, int);
    descriptor: (Lcom/oracle/svm/core/stack/JavaFrameAnchor;I)Lcom/oracle/svm/core/nodes/CPrologueData;
    flags: (0x0109) ACC_PUBLIC, ACC_STATIC, ACC_NATIVE
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.graph.Node$NodeIntrinsic()
    RuntimeVisibleParameterAnnotations: 
      0:
      1:
        org.graalvm.compiler.graph.Node$ConstantNodeParameter()
    MethodParameters:
                 Name  Flags
      frameAnchor      
      newThreadStatus  
}
SourceFile: "CFunctionPrologueDataNode.java"
InnerClasses:
  public abstract ConstantNodeParameter = org.graalvm.compiler.graph.Node$ConstantNodeParameter of org.graalvm.compiler.graph.Node
  public abstract Input = org.graalvm.compiler.graph.Node$Input of org.graalvm.compiler.graph.Node
  public abstract NodeIntrinsic = org.graalvm.compiler.graph.Node$NodeIntrinsic of org.graalvm.compiler.graph.Node
    RuntimeVisibleAnnotations: 
      org.graalvm.compiler.nodeinfo.NodeInfo(cycles = org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0:Lorg/graalvm/compiler/nodeinfo/NodeCycles;, size = org.graalvm.compiler.nodeinfo.NodeSize.SIZE_0:Lorg/graalvm/compiler/nodeinfo/NodeSize;)