https://www.graalvm.org/ 
class com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor extends com.oracle.svm.core.genscavenge.PathExhibitor$AbstractVisitor implements com.oracle.svm.core.heap.ObjectReferenceVisitor
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor
  super_class: com.oracle.svm.core.genscavenge.PathExhibitor$AbstractVisitor
{
  private org.graalvm.nativeimage.c.function.CodePointer ip;
    descriptor: Lorg/graalvm/nativeimage/c/function/CodePointer;
    flags: (0x0002) ACC_PRIVATE

  private com.oracle.svm.core.deopt.DeoptimizedFrame deoptFrame;
    descriptor: Lcom/oracle/svm/core/deopt/DeoptimizedFrame;
    flags: (0x0002) ACC_PRIVATE

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor this
         0: .line 286
            aload 0 /* this */
            invokespecial com.oracle.svm.core.genscavenge.PathExhibitor$AbstractVisitor.<init>:()V
         1: .line 287
            return
        end local 0 // com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/svm/core/genscavenge/PathExhibitor$FrameSlotVisitor;

  void initialize(org.graalvm.nativeimage.c.function.CodePointer, com.oracle.svm.core.deopt.DeoptimizedFrame, com.oracle.svm.core.genscavenge.PathExhibitor$TargetMatcher, com.oracle.svm.core.genscavenge.PathExhibitor$PathEdge);
    descriptor: (Lorg/graalvm/nativeimage/c/function/CodePointer;Lcom/oracle/svm/core/deopt/DeoptimizedFrame;Lcom/oracle/svm/core/genscavenge/PathExhibitor$TargetMatcher;Lcom/oracle/svm/core/genscavenge/PathExhibitor$PathEdge;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=5, args_size=5
        start local 0 // com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor this
        start local 1 // org.graalvm.nativeimage.c.function.CodePointer ipArg
        start local 2 // com.oracle.svm.core.deopt.DeoptimizedFrame deoptFrameArg
        start local 3 // com.oracle.svm.core.genscavenge.PathExhibitor$TargetMatcher targetMatcher
        start local 4 // com.oracle.svm.core.genscavenge.PathExhibitor$PathEdge edge
         0: .line 290
            aload 0 /* this */
            aload 3 /* targetMatcher */
            aload 4 /* edge */
            invokespecial com.oracle.svm.core.genscavenge.PathExhibitor$AbstractVisitor.initialize:(Lcom/oracle/svm/core/genscavenge/PathExhibitor$TargetMatcher;Lcom/oracle/svm/core/genscavenge/PathExhibitor$PathEdge;)V
         1: .line 291
            aload 0 /* this */
            aload 1 /* ipArg */
            putfield com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor.ip:Lorg/graalvm/nativeimage/c/function/CodePointer;
         2: .line 292
            aload 0 /* this */
            aload 2 /* deoptFrameArg */
            putfield com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor.deoptFrame:Lcom/oracle/svm/core/deopt/DeoptimizedFrame;
         3: .line 293
            return
        end local 4 // com.oracle.svm.core.genscavenge.PathExhibitor$PathEdge edge
        end local 3 // com.oracle.svm.core.genscavenge.PathExhibitor$TargetMatcher targetMatcher
        end local 2 // com.oracle.svm.core.deopt.DeoptimizedFrame deoptFrameArg
        end local 1 // org.graalvm.nativeimage.c.function.CodePointer ipArg
        end local 0 // com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    4     0           this  Lcom/oracle/svm/core/genscavenge/PathExhibitor$FrameSlotVisitor;
            0    4     1          ipArg  Lorg/graalvm/nativeimage/c/function/CodePointer;
            0    4     2  deoptFrameArg  Lcom/oracle/svm/core/deopt/DeoptimizedFrame;
            0    4     3  targetMatcher  Lcom/oracle/svm/core/genscavenge/PathExhibitor$TargetMatcher;
            0    4     4           edge  Lcom/oracle/svm/core/genscavenge/PathExhibitor$PathEdge;
    MethodParameters:
               Name  Flags
      ipArg          
      deoptFrameArg  
      targetMatcher  
      edge           

  public boolean visitObjectReference(org.graalvm.word.Pointer, boolean);
    descriptor: (Lorg/graalvm/word/Pointer;Z)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=3
        start local 0 // com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor this
        start local 1 // org.graalvm.word.Pointer stackSlot
        start local 2 // boolean compressed
         0: .line 297
            invokestatic com.oracle.svm.core.log.Log.noopLog:()Lcom/oracle/svm/core/log/Log;
            astore 3 /* trace */
        start local 3 // com.oracle.svm.core.log.Log trace
         1: .line 298
            aload 1 /* stackSlot */
            invokeinterface org.graalvm.word.Pointer.isNull:()Z
            ifeq 3
         2: .line 299
            iconst_1
            ireturn
         3: .line 301
      StackMap locals: com.oracle.svm.core.log.Log
      StackMap stack:
            invokestatic com.oracle.svm.core.heap.ReferenceAccess.singleton:()Lcom/oracle/svm/core/heap/ReferenceAccess;
            aload 1 /* stackSlot */
            iload 2 /* compressed */
            invokeinterface com.oracle.svm.core.heap.ReferenceAccess.readObjectAsUntrackedPointer:(Lorg/graalvm/word/Pointer;Z)Lorg/graalvm/compiler/word/Word;
            astore 4 /* referentPointer */
        start local 4 // org.graalvm.word.Pointer referentPointer
         4: .line 302
            aload 3 /* trace */
            ldc "  referentPointer: "
            invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
            aload 4 /* referentPointer */
            invokevirtual com.oracle.svm.core.log.Log.hex:(Lorg/graalvm/word/WordBase;)Lcom/oracle/svm/core/log/Log;
            pop
         5: .line 303
            aload 0 /* this */
            getfield com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor.target:Lcom/oracle/svm/core/genscavenge/PathExhibitor$TargetMatcher;
            aload 4 /* referentPointer */
            invokeinterface org.graalvm.word.Pointer.toObject:()Ljava/lang/Object;
            invokeinterface com.oracle.svm.core.genscavenge.PathExhibitor$TargetMatcher.matches:(Ljava/lang/Object;)Z
            ifeq 8
         6: .line 304
            aload 0 /* this */
            getfield com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor.result:Lcom/oracle/svm/core/genscavenge/PathExhibitor$PathEdge;
            new com.oracle.svm.core.genscavenge.PathExhibitor$StackElement
            dup
            aload 1 /* stackSlot */
            aload 0 /* this */
            getfield com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor.ip:Lorg/graalvm/nativeimage/c/function/CodePointer;
            aload 0 /* this */
            getfield com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor.deoptFrame:Lcom/oracle/svm/core/deopt/DeoptimizedFrame;
            invokespecial com.oracle.svm.core.genscavenge.PathExhibitor$StackElement.<init>:(Lorg/graalvm/word/Pointer;Lorg/graalvm/nativeimage/c/function/CodePointer;Lcom/oracle/svm/core/deopt/DeoptimizedFrame;)V
            new com.oracle.svm.core.genscavenge.PathExhibitor$LeafElement
            dup
            aload 4 /* referentPointer */
            invokeinterface org.graalvm.word.Pointer.toObject:()Ljava/lang/Object;
            invokespecial com.oracle.svm.core.genscavenge.PathExhibitor$LeafElement.<init>:(Ljava/lang/Object;)V
            invokevirtual com.oracle.svm.core.genscavenge.PathExhibitor$PathEdge.fill:(Lcom/oracle/svm/core/genscavenge/PathExhibitor$PathElement;Lcom/oracle/svm/core/genscavenge/PathExhibitor$PathElement;)V
         7: .line 305
            iconst_0
            ireturn
         8: .line 307
      StackMap locals: org.graalvm.word.Pointer
      StackMap stack:
            iconst_1
            ireturn
        end local 4 // org.graalvm.word.Pointer referentPointer
        end local 3 // com.oracle.svm.core.log.Log trace
        end local 2 // boolean compressed
        end local 1 // org.graalvm.word.Pointer stackSlot
        end local 0 // com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    9     0             this  Lcom/oracle/svm/core/genscavenge/PathExhibitor$FrameSlotVisitor;
            0    9     1        stackSlot  Lorg/graalvm/word/Pointer;
            0    9     2       compressed  Z
            1    9     3            trace  Lcom/oracle/svm/core/log/Log;
            4    9     4  referentPointer  Lorg/graalvm/word/Pointer;
    MethodParameters:
            Name  Flags
      stackSlot   
      compressed  
}
SourceFile: "PathExhibitor.java"
NestHost: com.oracle.svm.core.genscavenge.PathExhibitor
InnerClasses:
  AbstractVisitor = com.oracle.svm.core.genscavenge.PathExhibitor$AbstractVisitor of com.oracle.svm.core.genscavenge.PathExhibitor
  private FrameSlotVisitor = com.oracle.svm.core.genscavenge.PathExhibitor$FrameSlotVisitor of com.oracle.svm.core.genscavenge.PathExhibitor
  public LeafElement = com.oracle.svm.core.genscavenge.PathExhibitor$LeafElement of com.oracle.svm.core.genscavenge.PathExhibitor
  public PathEdge = com.oracle.svm.core.genscavenge.PathExhibitor$PathEdge of com.oracle.svm.core.genscavenge.PathExhibitor
  public abstract PathElement = com.oracle.svm.core.genscavenge.PathExhibitor$PathElement of com.oracle.svm.core.genscavenge.PathExhibitor
  public StackElement = com.oracle.svm.core.genscavenge.PathExhibitor$StackElement of com.oracle.svm.core.genscavenge.PathExhibitor
  abstract TargetMatcher = com.oracle.svm.core.genscavenge.PathExhibitor$TargetMatcher of com.oracle.svm.core.genscavenge.PathExhibitor