src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/CollectedHeap.java

*** 1,7 ****
  /*
!  * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 26,38 ****
--- 26,41 ----
  
  import java.io.*;
  import java.util.*;
  
  import sun.jvm.hotspot.debugger.*;
+ import sun.jvm.hotspot.gc.shared.*;
  import sun.jvm.hotspot.memory.*;
  import sun.jvm.hotspot.runtime.*;
  import sun.jvm.hotspot.types.*;
+ import sun.jvm.hotspot.utilities.BitMapInterface;
+ import sun.jvm.hotspot.utilities.BitMapSegmented;
  
  public abstract class CollectedHeap extends VMObject {
    private static long         reservedFieldOffset;
  
    static {
*** 56,67 ****
    /** Returns the lowest address of the heap. */
    public Address start() {
      return reservedRegion().start();
    }
  
!   public long capacity() { return 0; }
!   public long used()     { return 0; }
  
    public MemRegion reservedRegion() {
      return new MemRegion(addr.addOffsetTo(reservedFieldOffset));
    }
  
--- 59,70 ----
    /** Returns the lowest address of the heap. */
    public Address start() {
      return reservedRegion().start();
    }
  
!   public abstract long capacity();
!   public abstract long used();
  
    public MemRegion reservedRegion() {
      return new MemRegion(addr.addOffsetTo(reservedFieldOffset));
    }
  
*** 73,92 ****
--- 76,105 ----
      return reservedRegion().contains(a);
    }
  
    public abstract CollectedHeapName kind();
  
+   public abstract void liveRegionsIterate(LiveRegionsClosure closure);
+ 
    public String oopAddressDescription(OopHandle handle) {
        return handle.toString();
    }
  
    public OopHandle oop_load_at(OopHandle handle, long offset) {
        return handle.getOopHandleAt(offset);
    }
  
+   public OopHandle oop_load_in_native(Address addr) {
+       return addr.getOopHandleAt(0);
+   }
+ 
    public void print() { printOn(System.out); }
    public void printOn(PrintStream tty) {
      MemRegion mr = reservedRegion();
      tty.println("unknown subtype of CollectedHeap @ " + getAddress() + " (" +
                  mr.start() + "," + mr.end() + ")");
    }
+ 
+   public BitMapInterface createBitMap(long bits) {
+     return new BitMapSegmented(bits);
+   }
  }