Merge

hotspot/agent/make/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+# 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
@@ -79,11 +79,10 @@ sun.jvm.hotspot.debugger.windbg \
 sun.jvm.hotspot.debugger.windbg.amd64 \
 sun.jvm.hotspot.debugger.windbg.x86 \
 sun.jvm.hotspot.debugger.x86 \
-sun.jvm.hotspot.gc_implementation \
+sun.jvm.hotspot.gc \
-sun.jvm.hotspot.gc_implementation.g1 \
+sun.jvm.hotspot.gc.g1 \
-sun.jvm.hotspot.gc_implementation.parallelScavenge \
+sun.jvm.hotspot.gc.parallel \
-sun.jvm.hotspot.gc_implementation.shared \
+sun.jvm.hotspot.gc.shared \
-sun.jvm.hotspot.gc_interface \
 sun.jvm.hotspot.interpreter \
 sun.jvm.hotspot.jdi \
 sun.jvm.hotspot.memory \
@@ -168,9 +167,9 @@ sun/jvm/hotspot/debugger/win32/coff/*.java \
 sun/jvm/hotspot/debugger/windbg/*.java \
 sun/jvm/hotspot/debugger/windbg/x86/*.java \
 sun/jvm/hotspot/debugger/x86/*.java \
-sun/jvm/hotspot/gc_implementation/g1/*.java \
+sun/jvm/hotspot/gc/g1/*.java \
-sun/jvm/hotspot/gc_implementation/parallelScavenge/*.java \
+sun/jvm/hotspot/gc/parallel/*.java \
-sun/jvm/hotspot/gc_implementation/shared/*.java \
+sun/jvm/hotspot/gc/shared/*.java \
 sun/jvm/hotspot/interpreter/*.java \
 sun/jvm/hotspot/jdi/*.java \
 sun/jvm/hotspot/memory/*.java \

hotspot/agent/src/share/classes/sun/jvm/hotspot/HSDB.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -33,8 +33,8 @@ import java.util.*;
 import sun.jvm.hotspot.code.*;
 import sun.jvm.hotspot.compiler.*;
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_implementation.parallelScavenge.*;
+import sun.jvm.hotspot.gc.parallel.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.interpreter.*;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.oops.*;
@@ -927,7 +927,7 @@ public class HSDB implements ObjectHistogramPanel.Listener, SAListener {
             if (curVFrame.isCompiledFrame()) {
               CodeBlob cb = VM.getVM().getCodeCache().findBlob(curFrame.getPC());
               ImmutableOopMapSet maps = cb.getOopMaps();
-              if ((maps == null) || (maps.getSize() == 0)) {
+              if ((maps == null) || (maps.getCount() == 0)) {
                 shouldSkipOopMaps = true;
               }
             }

hotspot/agent/src/share/classes/sun/jvm/hotspot/compiler/ImmutableOopMapPair.java

@@ -71,4 +71,8 @@ public class ImmutableOopMapPair {
     offsetField = type.getCIntegerField("_oopmap_offset");
     classSize = type.getSize();
   }
+
+  public String toString() {
+    return "Pair{pc_offset = " + getPC() + ", data_offset = " + getOffset() + "}";
+  }
 }

hotspot/agent/src/share/classes/sun/jvm/hotspot/compiler/ImmutableOopMapSet.java

@@ -106,19 +106,19 @@ public class ImmutableOopMapSet extends VMObject {
   /**
    * Returns the number of OopMaps in this ImmutableOopMapSet
    */
-  public long getSize() {
-    return countField.getValue(addr);
-  }
-
   public int getCount() { return (int) countField.getValue(addr); }
 
   private Address dataStart() {
-    return (addr.addOffsetTo(ImmutableOopMapSet.classSize * getCount()));
+    return (pairStart().addOffsetTo(ImmutableOopMapPair.classSize() * getCount()));
+  }
+
+  private Address pairStart() {
+    return addr.addOffsetTo(ImmutableOopMapSet.classSize);
   }
 
   public ImmutableOopMapPair pairAt(int index) {
     Assert.that((index >= 0) && (index < getCount()), "bad index");
-    return new ImmutableOopMapPair(addr.addOffsetTo(index * ImmutableOopMapPair.classSize()));
+    return new ImmutableOopMapPair(pairStart().addOffsetTo(index * ImmutableOopMapPair.classSize()));
   }
 
   /**
@@ -126,7 +126,7 @@ public class ImmutableOopMapSet extends VMObject {
    */
   public ImmutableOopMap getMapAt(int index) {
     if (Assert.ASSERTS_ENABLED) {
-      Assert.that((index >= 0) && (index <= getSize()), "bad index");
+      Assert.that((index >= 0) && (index <= getCount()), "bad index");
     }
 
     ImmutableOopMapPair immutableOopMapPair = pairAt(index);
@@ -135,7 +135,7 @@ public class ImmutableOopMapSet extends VMObject {
 
   public ImmutableOopMap findMapAtOffset(long pcOffset, boolean debugging) {
     int i;
-    int len = (int) getSize();
+    int len = getCount();
     if (Assert.ASSERTS_ENABLED) {
       Assert.that(len > 0, "must have pointer maps");
     }
@@ -253,14 +253,14 @@ public class ImmutableOopMapSet extends VMObject {
     if (!VM.getVM().isDebugging()) {
       if (Assert.ASSERTS_ENABLED) {
         ImmutableOopMapSet maps = cb.getOopMaps();
-        Assert.that((maps != null) && (maps.getSize() > 0), "found null or empty ImmutableOopMapSet for CodeBlob");
+        Assert.that((maps != null) && (maps.getCount() > 0), "found null or empty ImmutableOopMapSet for CodeBlob");
       }
     } else {
       // Hack for some topmost frames that have been found with empty
       // OopMapSets. (Actually have not seen the null case, but don't
       // want to take any chances.) See HSDB.showThreadStackMemory().
       ImmutableOopMapSet maps = cb.getOopMaps();
-      if ((maps == null) || (maps.getSize() == 0)) {
+      if ((maps == null) || (maps.getCount() == 0)) {
         return;
       }
     }
@@ -311,8 +311,28 @@ public class ImmutableOopMapSet extends VMObject {
     return pairAt(index);
   }
 
+  private int getSize() {
+    return (int) sizeField.getValue(addr);
+  }
+
   public ImmutableOopMap getMap(ImmutableOopMapPair pair) {
-    Assert.that(pair.getOffset() < (int) sizeField.getValue(), "boundary check");
+    Assert.that(pair.getOffset() < getSize(), "boundary check: this: " + this + " offset: " + pair);
     return new ImmutableOopMap(dataStart().addOffsetTo(pair.getOffset()));
   }
+
+  public String toString() {
+    StringBuilder builder = new StringBuilder();
+    builder.append("Set{ ")
+      .append("addr = ").append(addr)
+      .append(", count = ").append(getCount())
+      .append(", size = ").append(getSize())
+      .append(", pairs = [");
+
+    for (int i = 0; i < getCount(); ++i) {
+      builder.append(getPairAt(i));
+    }
+
+    builder.append("]");
+    return builder.toString();
+  }
 }

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/cms/AdaptiveFreeList.java

@@ -1,7 +1,7 @@
 /*
  * @(#)AdaptiveFreeList.java
  *
- * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -24,7 +24,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.cms;
 
 import java.util.Observable;
 import java.util.Observer;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/cms/CMSBitMap.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 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
@@ -22,11 +22,12 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.cms;
 
 import java.io.*;
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 import sun.jvm.hotspot.utilities.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/cms/CMSCollector.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.cms;
 
 import java.io.*;
 import java.util.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/cms/CompactibleFreeListSpace.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,25 +22,18 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.cms;
 
-import java.io.PrintStream;
+import java.io.*;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Observable;
-import java.util.Observer;
 
-import sun.jvm.hotspot.debugger.Address;
+import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.Debugger;
+import sun.jvm.hotspot.gc.shared.*;
-import sun.jvm.hotspot.oops.ObjectHeap;
+import sun.jvm.hotspot.memory.*;
-import sun.jvm.hotspot.oops.Oop;
+import sun.jvm.hotspot.oops.*;
-import sun.jvm.hotspot.runtime.VM;
+import sun.jvm.hotspot.runtime.*;
-import sun.jvm.hotspot.runtime.VMObjectFactory;
+import sun.jvm.hotspot.types.*;
-import sun.jvm.hotspot.types.AddressField;
+import sun.jvm.hotspot.utilities.*;
-import sun.jvm.hotspot.types.Type;
-import sun.jvm.hotspot.types.TypeDataBase;
-import sun.jvm.hotspot.utilities.Assert;
 
 public class CompactibleFreeListSpace extends CompactibleSpace {
    private static AddressField collectorField;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/cms/ConcurrentMarkSweepGeneration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,11 +22,12 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.cms;
 
 import java.io.*;
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/cms/LinearAllocBlock.java

@@ -1,6 +1,6 @@
 /*
  * @(#)BinaryTreeDictionary.java
- * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -23,7 +23,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.cms;
 
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/cms/ParNewGeneration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,9 +22,11 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.cms;
 
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.gc.serial.*;
+import sun.jvm.hotspot.gc.shared.*;
 
 public class ParNewGeneration extends DefNewGeneration {
   public ParNewGeneration(Address addr) {

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/g1/G1Allocator.java

@@ -1,4 +1,4 @@
-package sun.jvm.hotspot.gc_implementation.g1;
+package sun.jvm.hotspot.gc.g1;
 
 import java.util.Observable;
 import java.util.Observer;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/g1/G1CollectedHeap.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 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
@@ -22,17 +22,17 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.g1;
+package sun.jvm.hotspot.gc.g1;
 
 import java.util.Iterator;
 import java.util.Observable;
 import java.util.Observer;
 
 import sun.jvm.hotspot.debugger.Address;
-import sun.jvm.hotspot.gc_interface.CollectedHeap;
+import sun.jvm.hotspot.gc.shared.CollectedHeap;
-import sun.jvm.hotspot.gc_interface.CollectedHeapName;
+import sun.jvm.hotspot.gc.shared.CollectedHeapName;
+import sun.jvm.hotspot.gc.shared.SpaceClosure;
 import sun.jvm.hotspot.memory.MemRegion;
-import sun.jvm.hotspot.memory.SpaceClosure;
 import sun.jvm.hotspot.runtime.VM;
 import sun.jvm.hotspot.runtime.VMObjectFactory;
 import sun.jvm.hotspot.types.AddressField;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/g1/G1HeapRegionTable.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.g1;
+package sun.jvm.hotspot.gc.g1;
 
 import java.util.Iterator;
 import java.util.Observable;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/g1/G1MonitoringSupport.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.g1;
+package sun.jvm.hotspot.gc.g1;
 
 import java.util.Observable;
 import java.util.Observer;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/g1/HeapRegion.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 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
@@ -22,14 +22,14 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.g1;
+package sun.jvm.hotspot.gc.g1;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Observable;
 import java.util.Observer;
 import sun.jvm.hotspot.debugger.Address;
-import sun.jvm.hotspot.memory.CompactibleSpace;
+import sun.jvm.hotspot.gc.shared.CompactibleSpace;
 import sun.jvm.hotspot.memory.MemRegion;
 import sun.jvm.hotspot.runtime.VM;
 import sun.jvm.hotspot.types.AddressField;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/g1/HeapRegionManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.g1;
+package sun.jvm.hotspot.gc.g1;
 
 import java.util.Iterator;
 import java.util.Observable;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/g1/HeapRegionSetBase.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.g1;
+package sun.jvm.hotspot.gc.g1;
 
 import java.util.Iterator;
 import java.util.Observable;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/g1/HeapRegionSetCount.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.g1;
+package sun.jvm.hotspot.gc.g1;
 
 import java.util.Iterator;
 import java.util.Observable;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/parallel/ImmutableSpace.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.shared;
+package sun.jvm.hotspot.gc.parallel;
 
 import java.io.*;
 import java.util.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/parallel/MutableSpace.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.shared;
+package sun.jvm.hotspot.gc.parallel;
 
 import java.io.*;
 import java.util.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/parallel/PSOldGen.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,13 +22,12 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.parallelScavenge;
+package sun.jvm.hotspot.gc.parallel;
 
 import java.io.*;
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_implementation.shared.*;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/parallel/PSYoungGen.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,13 +22,12 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.parallelScavenge;
+package sun.jvm.hotspot.gc.parallel;
 
 import java.io.*;
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_implementation.shared.*;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/parallel/ParallelScavengeHeap.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,13 +22,13 @@
  *
  */
 
-package sun.jvm.hotspot.gc_implementation.parallelScavenge;
+package sun.jvm.hotspot.gc.parallel;
 
 import java.io.*;
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/serial/DefNewGeneration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,12 +22,13 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.serial;
 
 import java.io.*;
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/serial/TenuredGeneration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,12 +22,13 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.serial;
 
 import java.io.*;
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import sun.jvm.hotspot.debugger.*;
 

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

@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_interface;
+package sun.jvm.hotspot.gc.shared;
 
 import java.io.*;
 import java.util.*;

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

@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_interface;
+package sun.jvm.hotspot.gc.shared;
 
 /** Mimics the enums in the VM under CollectedHeap::Name */
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import java.util.*;
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,12 +22,13 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import java.io.*;
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 

hotspot/agent/src/share/classes/sun/jvm/hotspot/gc/shared/G1YCType.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_interface;
+package sun.jvm.hotspot.gc.shared;
 
 //These definitions should be kept in sync with the definitions in the HotSpot
 //code.

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_interface;
+package sun.jvm.hotspot.gc.shared;
 
 //These definitions should be kept in sync with the definitions in the HotSpot code.
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_interface;
+package sun.jvm.hotspot.gc.shared;
 
 //These definitions should be kept in sync with the definitions in the HotSpot code.
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_interface;
+package sun.jvm.hotspot.gc.shared;
 
 //These definitions should be kept in sync with the definitions in the HotSpot code.
 

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

@@ -22,13 +22,12 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import java.io.*;
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 import sun.jvm.hotspot.utilities.*;

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,13 +22,14 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import java.io.*;
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.types.*;
+import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.runtime.*;
+import sun.jvm.hotspot.types.*;
 
 /** <P> The (supported) Generation hierarchy currently looks like this: </P>
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,11 +22,13 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.gc.cms.*;
+import sun.jvm.hotspot.gc.serial.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import sun.jvm.hotspot.debugger.*;
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import java.util.*;
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import sun.jvm.hotspot.debugger.*;
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,13 +22,14 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import java.io.*;
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.types.*;
+import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.runtime.*;
+import sun.jvm.hotspot.types.*;
 
 /** <P> A Space describes a heap area. Class Space is an abstract base
     class. </P>

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 public interface SpaceClosure {
   public void doSpace(Space s);

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

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.memory;
+package sun.jvm.hotspot.gc.shared;
 
 import sun.jvm.hotspot.debugger.*;
 

hotspot/agent/src/share/classes/sun/jvm/hotspot/memory/ReferenceType.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 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
@@ -22,7 +22,7 @@
  *
  */
 
-package sun.jvm.hotspot.gc_interface;
+package sun.jvm.hotspot.memory;
 
 //These definitions should be kept in sync with the definitions in the HotSpot code.
 

hotspot/agent/src/share/classes/sun/jvm/hotspot/memory/Universe.java

@@ -27,9 +27,9 @@ package sun.jvm.hotspot.memory;
 import java.io.*;
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.shared.*;
-import sun.jvm.hotspot.gc_implementation.g1.G1CollectedHeap;
+import sun.jvm.hotspot.gc.g1.G1CollectedHeap;
-import sun.jvm.hotspot.gc_implementation.parallelScavenge.*;
+import sun.jvm.hotspot.gc.parallel.*;
 import sun.jvm.hotspot.oops.*;
 import sun.jvm.hotspot.types.*;
 import sun.jvm.hotspot.runtime.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/oops/ObjectHeap.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -32,9 +32,10 @@ package sun.jvm.hotspot.oops;
 import java.util.*;
 
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.cms.*;
-import sun.jvm.hotspot.gc_implementation.g1.*;
+import sun.jvm.hotspot.gc.shared.*;
-import sun.jvm.hotspot.gc_implementation.parallelScavenge.*;
+import sun.jvm.hotspot.gc.g1.*;
+import sun.jvm.hotspot.gc.parallel.*;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/tools/HeapSummary.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -25,10 +25,10 @@
 package sun.jvm.hotspot.tools;
 
 import java.util.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.g1.*;
-import sun.jvm.hotspot.gc_implementation.g1.*;
+import sun.jvm.hotspot.gc.parallel.*;
-import sun.jvm.hotspot.gc_implementation.parallelScavenge.*;
+import sun.jvm.hotspot.gc.serial.*;
-import sun.jvm.hotspot.gc_implementation.shared.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.debugger.JVMDebugger;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.oops.*;
@@ -85,7 +85,7 @@ public class HeapSummary extends Tool {
          GenCollectedHeap genHeap = (GenCollectedHeap) heap;
          for (int n = 0; n < genHeap.nGens(); n++) {
             Generation gen = genHeap.getGen(n);
-            if (gen instanceof sun.jvm.hotspot.memory.DefNewGeneration) {
+            if (gen instanceof DefNewGeneration) {
                System.out.println("New Generation (Eden + 1 Survivor Space):");
                printGen(gen);
 

hotspot/agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java

@@ -1236,7 +1236,7 @@ public class HTMLGenerator implements /* imports */ ClassConstants {
 
    protected String genOopMapInfo(NMethod nmethod, PCDesc pcDesc) {
       ImmutableOopMapSet mapSet = nmethod.getOopMaps();
-      if (mapSet == null || (mapSet.getSize() <= 0))
+      if (mapSet == null || (mapSet.getCount() <= 0))
         return "";
       int pcOffset = pcDesc.getPCOffset();
       ImmutableOopMap map = mapSet.findMapAtOffset(pcOffset, VM.getVM().isDebugging());

hotspot/agent/src/share/classes/sun/jvm/hotspot/utilities/LivenessAnalysis.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -27,7 +27,7 @@ package sun.jvm.hotspot.utilities;
 import java.io.*;
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.oops.*;
 import sun.jvm.hotspot.runtime.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/utilities/MarkBits.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -25,7 +25,7 @@
 package sun.jvm.hotspot.utilities;
 
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.oops.*;
 import sun.jvm.hotspot.runtime.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/utilities/PointerFinder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -26,7 +26,7 @@ package sun.jvm.hotspot.utilities;
 
 import sun.jvm.hotspot.code.*;
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.interpreter.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.memory.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/utilities/PointerLocation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -27,7 +27,7 @@ package sun.jvm.hotspot.utilities;
 import java.io.*;
 import sun.jvm.hotspot.code.*;
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.interpreter.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.memory.*;

hotspot/agent/src/share/classes/sun/jvm/hotspot/utilities/ReversePtrsAnalysis.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 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
@@ -27,7 +27,7 @@ package sun.jvm.hotspot.utilities;
 import java.io.*;
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.gc_interface.*;
+import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.oops.*;
 import sun.jvm.hotspot.runtime.*;

hotspot/make/aix/makefiles/vm.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
 # Copyright 2012, 2013 SAP AG. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
@@ -137,7 +137,7 @@ LIBJVM   = lib$(JVM).so
 LIBJVM_DEBUGINFO   = lib$(JVM).debuginfo
 LIBJVM_DIZ         = lib$(JVM).diz
 
-SPECIAL_PATHS:=adlc c1 gc_implementation opto shark libadt
+SPECIAL_PATHS:=adlc c1 gc opto shark libadt
 
 SOURCE_PATHS=\
   $(shell find $(HS_COMMON_SRC)/share/vm/* -type d \! \

hotspot/make/bsd/makefiles/vm.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1999, 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
@@ -154,7 +154,7 @@ else
   LIBJVM_DIZ         = lib$(JVM).diz
 endif
 
-SPECIAL_PATHS:=adlc c1 gc_implementation opto shark libadt
+SPECIAL_PATHS:=adlc c1 gc opto shark libadt
 
 SOURCE_PATHS=\
   $(shell find $(HS_COMMON_SRC)/share/vm/* -type d \! \

hotspot/make/excludeSrc.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2014, 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
@@ -81,36 +81,15 @@ ifeq ($(INCLUDE_ALL_GCS), false)
       CXXFLAGS += -DINCLUDE_ALL_GCS=0
       CFLAGS += -DINCLUDE_ALL_GCS=0
 
-      gc_impl := $(HS_COMMON_SRC)/share/vm/gc_implementation
+      gc_dir := $(HS_COMMON_SRC)/share/vm/gc
-      gc_impl_alt := $(HS_ALT_SRC)/share/vm/gc_implementation
+      gc_dir_alt := $(HS_ALT_SRC)/share/vm/gc
-      gc_subdirs := concurrentMarkSweep g1 parallelScavenge parNew
+      gc_subdirs := cms g1 parallel
       gc_exclude := $(foreach gc,$(gc_subdirs),				\
-		     $(notdir $(wildcard $(gc_impl)/$(gc)/*.cpp))	\
+		     $(notdir $(wildcard $(gc_dir)/$(gc)/*.cpp))	\
-		     $(notdir $(wildcard $(gc_impl_alt)/$(gc)/*.cpp)))
+		     $(notdir $(wildcard $(gc_dir_alt)/$(gc)/*.cpp)))
-      Src_Files_EXCLUDE += $(gc_exclude)
+      Src_Files_EXCLUDE += $(gc_exclude)				\
-
+	concurrentGCThread.cpp						\
-      # Exclude everything in $(gc_impl)/shared except the files listed
+	plab.cpp
-      # in $(gc_shared_keep).
-      gc_shared_all := $(notdir $(wildcard $(gc_impl)/shared/*.cpp))
-      gc_shared_keep :=							\
-	adaptiveSizePolicy.cpp						\
-	ageTable.cpp							\
-	collectorCounters.cpp						\
-	cSpaceCounters.cpp						\
-	gcId.cpp							\
-	gcPolicyCounters.cpp						\
-	gcStats.cpp							\
-	gcTimer.cpp							\
-	gcTrace.cpp							\
-	gcTraceSend.cpp							\
-	gcTraceTime.cpp							\
-	gcUtil.cpp							\
-	generationCounters.cpp						\
-	markSweep.cpp							\
-	objectCountEventSender.cpp					\
-	spaceDecorator.cpp						\
-	vmGCOperations.cpp
-      Src_Files_EXCLUDE += $(filter-out $(gc_shared_keep),$(gc_shared_all))
 
       # src/share/vm/services
       Src_Files_EXCLUDE +=						\

hotspot/make/linux/makefiles/vm.make

@@ -142,7 +142,7 @@ LIBJVM   = lib$(JVM).so
 LIBJVM_DEBUGINFO   = lib$(JVM).debuginfo
 LIBJVM_DIZ         = lib$(JVM).diz
 
-SPECIAL_PATHS:=adlc c1 gc_implementation opto shark libadt
+SPECIAL_PATHS:=adlc c1 gc opto shark libadt
 
 SOURCE_PATHS=\
   $(shell find $(HS_COMMON_SRC)/share/vm/* -type d \! \

hotspot/make/pic.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2006, 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
@@ -37,7 +37,7 @@ ifneq ($(OSNAME), windows)
     PARTIAL_NONPIC=0
   endif
   ifeq ($(PARTIAL_NONPIC),1)
-    NONPIC_DIRS  = memory oops gc_implementation gc_interface 
+    NONPIC_DIRS  = memory oops gc
     NONPIC_DIRS  := $(foreach dir,$(NONPIC_DIRS), $(GAMMADIR)/src/share/vm/$(dir))
     # Look for source files under NONPIC_DIRS
     NONPIC_FILES := $(foreach dir,$(NONPIC_DIRS),\

hotspot/make/sa.files

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2003, 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
@@ -79,10 +79,11 @@ $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/x86/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windows/x86/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windows/amd64/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/x86/*.java \
-$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc_implementation/g1/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc/cms/*.java \
-$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc_implementation/parallelScavenge/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc/g1/*.java \
-$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc_implementation/shared/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc/parallel/*.java \
-$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc_interface/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc/serial/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/gc/shared/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/interpreter/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/jdi/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/memory/*.java \

hotspot/make/solaris/makefiles/vm.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1998, 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
@@ -163,7 +163,7 @@ LIBJVM   = lib$(JVM).so
 LIBJVM_DEBUGINFO   = lib$(JVM).debuginfo
 LIBJVM_DIZ         = lib$(JVM).diz
 
-SPECIAL_PATHS:=adlc c1 dist gc_implementation opto shark libadt
+SPECIAL_PATHS:=adlc c1 dist gc opto shark libadt
 
 SOURCE_PATHS=\
   $(shell find $(HS_COMMON_SRC)/share/vm/* -type d \! \

hotspot/make/test/JtregNative.gmk

@@ -42,6 +42,8 @@ include TestFilesCompilation.gmk
 # Add more directories here when needed.
 BUILD_HOTSPOT_JTREG_NATIVE_SRC := \
     $(HOTSPOT_TOPDIR)/test/native_sanity \
+    $(HOTSPOT_TOPDIR)/test/runtime/jni/8025979 \
+    $(HOTSPOT_TOPDIR)/test/runtime/jni/8033445 \
     #
 
 BUILD_HOTSPOT_JTREG_OUTPUT_DIR := $(BUILD_OUTPUT)/support/test/hotspot/jtreg/native

hotspot/make/windows/create_obj_files.sh

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2010, 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
@@ -57,11 +57,11 @@ ALTSRC_REL=src/closed # Change this to pick up alt sources from somewhere else
 COMMONSRC=${WorkSpace}/${COMMONSRC_REL}
 ALTSRC=${WorkSpace}/${ALTSRC_REL}
 
-BASE_PATHS="`if [ -d ${ALTSRC}/share/vm ]; then $FIND ${ALTSRC}/share/vm ! -name vm -prune -type d \! \( -name adlc -o -name c1 -o -name gc_implementation -o -name opto -o -name shark -o -name libadt \); fi`"
+BASE_PATHS="`if [ -d ${ALTSRC}/share/vm ]; then $FIND ${ALTSRC}/share/vm ! -name vm -prune -type d \! \( -name adlc -o -name c1 -o -name gc -o -name opto -o -name shark -o -name libadt \); fi`"
-BASE_PATHS="${BASE_PATHS} ` $FIND ${COMMONSRC}/share/vm ! -name vm -prune -type d \! \( -name adlc -o -name c1 -o -name gc_implementation -o -name opto -o -name shark -o -name libadt \)`"
+BASE_PATHS="${BASE_PATHS} ` $FIND ${COMMONSRC}/share/vm ! -name vm -prune -type d \! \( -name adlc -o -name c1 -o -name gc -o -name opto -o -name shark -o -name libadt \)`"
 
 for sd in \
-    share/vm/gc_implementation/shared \
+    share/vm/gc/shared \
     os/${Platform_os_family}/vm \
     cpu/${Platform_arch}/vm \
     os_cpu/${Platform_os_arch}/vm; do 
@@ -80,10 +80,10 @@ fi
 BASE_PATHS="${BASE_PATHS} ${COMMONSRC}/share/vm/prims/wbtestmethods"
 
 # shared is already in BASE_PATHS. Should add vm/memory but that one is also in BASE_PATHS.
-if [ -d "${ALTSRC}/share/vm/gc_implementation" ]; then
+if [ -d "${ALTSRC}/share/vm/gc" ]; then
-  BASE_PATHS="${BASE_PATHS} `$FIND ${ALTSRC}/share/vm/gc_implementation ! -name gc_implementation -prune -type d \! -name shared`"
+  BASE_PATHS="${BASE_PATHS} `$FIND ${ALTSRC}/share/vm/gc ! -name gc -prune -type d \! -name shared`"
 fi
-BASE_PATHS="${BASE_PATHS} `$FIND ${COMMONSRC}/share/vm/gc_implementation ! -name gc_implementation -prune -type d \! -name shared`"
+BASE_PATHS="${BASE_PATHS} `$FIND ${COMMONSRC}/share/vm/gc ! -name gc -prune -type d \! -name shared`"
 
 if [ -d "${ALTSRC}/share/vm/c1" ]; then
   COMPILER1_PATHS="${ALTSRC}/share/vm/c1"

hotspot/make/windows/makefiles/vm.make

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1997, 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
@@ -157,12 +157,11 @@ VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/code
 VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/interpreter
 VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/ci
 VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/classfile
-VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc_implementation/parallelScavenge
+VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc/parallel
-VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc_implementation/shared
+VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc/shared
-VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc_implementation/parNew
+VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc/serial
-VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc_implementation/concurrentMarkSweep
+VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc/cms
-VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc_implementation/g1
+VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc/g1
-VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/gc_interface
 VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/asm
 VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/memory
 VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/oops
@@ -233,22 +232,19 @@ bytecodeInterpreterWithChecks.obj: ..\generated\jvmtifiles\bytecodeInterpreterWi
 {$(COMMONSRC)\share\vm\classfile}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(COMMONSRC)\share\vm\gc_implementation\parallelScavenge}.cpp.obj::
+{$(COMMONSRC)\share\vm\gc\parallel}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(COMMONSRC)\share\vm\gc_implementation\shared}.cpp.obj::
+{$(COMMONSRC)\share\vm\gc\shared}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(COMMONSRC)\share\vm\gc_implementation\parNew}.cpp.obj::
+{$(COMMONSRC)\share\vm\gc\serial}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(COMMONSRC)\share\vm\gc_implementation\concurrentMarkSweep}.cpp.obj::
+{$(COMMONSRC)\share\vm\gc\cms}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(COMMONSRC)\share\vm\gc_implementation\g1}.cpp.obj::
+{$(COMMONSRC)\share\vm\gc\g1}.cpp.obj::
-        $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
-
-{$(COMMONSRC)\share\vm\gc_interface}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
 {$(COMMONSRC)\share\vm\asm}.cpp.obj::
@@ -316,22 +312,19 @@ bytecodeInterpreterWithChecks.obj: ..\generated\jvmtifiles\bytecodeInterpreterWi
 {$(ALTSRC)\share\vm\classfile}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(ALTSRC)\share\vm\gc_implementation\parallelScavenge}.cpp.obj::
+{$(ALTSRC)\share\vm\gc\parallel}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(ALTSRC)\share\vm\gc_implementation\shared}.cpp.obj::
+{$(ALTSRC)\share\vm\gc\shared}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(ALTSRC)\share\vm\gc_implementation\parNew}.cpp.obj::
+{$(ALTSRC)\share\vm\gc\serial}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(ALTSRC)\share\vm\gc_implementation\concurrentMarkSweep}.cpp.obj::
+{$(ALTSRC)\share\vm\gc\cms}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
-{$(ALTSRC)\share\vm\gc_implementation\g1}.cpp.obj::
+{$(ALTSRC)\share\vm\gc\g1}.cpp.obj::
-        $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
-
-{$(ALTSRC)\share\vm\gc_interface}.cpp.obj::
         $(CXX) $(CXX_FLAGS) $(CXX_USE_PCH) /c $<
 
 {$(ALTSRC)\share\vm\asm}.cpp.obj::

hotspot/src/cpu/aarch64/vm/aarch64.ad

@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+// Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
 // Copyright (c) 2014, Red Hat Inc. All rights reserved.
 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 //
@@ -828,7 +828,7 @@ definitions %{
 
 source_hpp %{
 
-#include "memory/cardTableModRefBS.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
 
 class CallStubImpl {
 

hotspot/src/cpu/aarch64/vm/c1_CodeStubs_aarch64.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -33,7 +33,7 @@
 #include "runtime/sharedRuntime.hpp"
 #include "vmreg_aarch64.inline.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
 #endif
 
 

hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -33,9 +33,9 @@
 #include "c1/c1_ValueStack.hpp"
 #include "ci/ciArrayKlass.hpp"
 #include "ci/ciInstance.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/barrierSet.hpp"
-#include "memory/barrierSet.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
-#include "memory/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "nativeInst_aarch64.hpp"
 #include "oops/objArrayKlass.hpp"
 #include "runtime/sharedRuntime.hpp"

hotspot/src/cpu/aarch64/vm/c1_MacroAssembler_aarch64.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -27,7 +27,7 @@
 #include "c1/c1_MacroAssembler.hpp"
 #include "c1/c1_Runtime1.hpp"
 #include "classfile/systemDictionary.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "interpreter/interpreter.hpp"
 #include "oops/arrayOop.hpp"
 #include "oops/markOop.hpp"

hotspot/src/cpu/aarch64/vm/c1_Runtime1_aarch64.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -42,7 +42,7 @@
 #include "runtime/vframeArray.hpp"
 #include "vmreg_aarch64.inline.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
 #endif
 
 

hotspot/src/cpu/aarch64/vm/icBuffer_aarch64.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -27,7 +27,7 @@
 #include "asm/macroAssembler.hpp"
 #include "asm/macroAssembler.inline.hpp"
 #include "code/icBuffer.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/bytecodes.hpp"
 #include "memory/resourceArea.hpp"
 #include "nativeInst_aarch64.hpp"

hotspot/src/cpu/aarch64/vm/macroAssembler_aarch64.cpp

@@ -41,9 +41,9 @@
 #include "runtime/sharedRuntime.hpp"
 
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc/g1/g1CollectedHeap.inline.hpp"
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
-#include "gc_implementation/g1/heapRegion.hpp"
+#include "gc/g1/heapRegion.hpp"
 #endif
 
 #ifdef PRODUCT

hotspot/src/cpu/ppc/vm/assembler_ppc.cpp

@@ -25,9 +25,9 @@
 
 #include "precompiled.hpp"
 #include "asm/assembler.inline.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/interpreter.hpp"
-#include "memory/cardTableModRefBS.hpp"
 #include "memory/resourceArea.hpp"
 #include "prims/methodHandles.hpp"
 #include "runtime/biasedLocking.hpp"
@@ -38,9 +38,9 @@
 #include "runtime/stubRoutines.hpp"
 #include "utilities/macros.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc/g1/g1CollectedHeap.inline.hpp"
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
-#include "gc_implementation/g1/heapRegion.hpp"
+#include "gc/g1/heapRegion.hpp"
 #endif // INCLUDE_ALL_GCS
 
 #ifdef PRODUCT

hotspot/src/cpu/ppc/vm/icBuffer_ppc.cpp

@@ -27,7 +27,7 @@
 #include "asm/assembler.hpp"
 #include "assembler_ppc.inline.hpp"
 #include "code/icBuffer.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/bytecodes.hpp"
 #include "memory/resourceArea.hpp"
 #include "nativeInst_ppc.hpp"

hotspot/src/cpu/ppc/vm/macroAssembler_ppc.cpp

@@ -26,9 +26,9 @@
 #include "precompiled.hpp"
 #include "asm/macroAssembler.inline.hpp"
 #include "compiler/disassembler.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/interpreter.hpp"
-#include "memory/cardTableModRefBS.hpp"
 #include "memory/resourceArea.hpp"
 #include "prims/methodHandles.hpp"
 #include "runtime/biasedLocking.hpp"
@@ -40,9 +40,9 @@
 #include "runtime/stubRoutines.hpp"
 #include "utilities/macros.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc/g1/g1CollectedHeap.inline.hpp"
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
-#include "gc_implementation/g1/heapRegion.hpp"
+#include "gc/g1/heapRegion.hpp"
 #endif // INCLUDE_ALL_GCS
 
 #ifdef PRODUCT

hotspot/src/cpu/ppc/vm/ppc.ad

@@ -2173,9 +2173,8 @@ const bool Matcher::clone_shift_expressions = false;
 
 // Do we need to mask the count passed to shift instructions or does
 // the cpu only look at the lower 5/6 bits anyway?
-// Off, as masks are generated in expand rules where required.
+// PowerPC requires masked shift counts.
-// Constant shift counts are handled in Ideal phase.
+const bool Matcher::need_masked_shift_count = true;
-const bool Matcher::need_masked_shift_count = false;
 
 // This affects two different things:
 //  - how Decode nodes are matched

hotspot/src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp

@@ -33,7 +33,7 @@
 #include "utilities/macros.hpp"
 #include "vmreg_sparc.inline.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
 #endif // INCLUDE_ALL_GCS
 
 #define __ ce->masm()->

hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp

@@ -30,9 +30,9 @@
 #include "c1/c1_ValueStack.hpp"
 #include "ci/ciArrayKlass.hpp"
 #include "ci/ciInstance.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/barrierSet.hpp"
-#include "memory/barrierSet.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
-#include "memory/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "nativeInst_sparc.hpp"
 #include "oops/objArrayKlass.hpp"
 #include "runtime/sharedRuntime.hpp"

hotspot/src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp

@@ -26,7 +26,7 @@
 #include "c1/c1_MacroAssembler.hpp"
 #include "c1/c1_Runtime1.hpp"
 #include "classfile/systemDictionary.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "interpreter/interpreter.hpp"
 #include "oops/arrayOop.hpp"
 #include "oops/markOop.hpp"

hotspot/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp

@@ -37,7 +37,7 @@
 #include "utilities/macros.hpp"
 #include "vmreg_sparc.inline.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
 #endif
 
 // Implementation of StubAssembler

hotspot/src/cpu/sparc/vm/globals_sparc.hpp

@@ -79,7 +79,7 @@ define_pd_global(bool, PreserveFramePointer, false);
 // GC Ergo Flags
 define_pd_global(size_t, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
 
-define_pd_global(uintx, TypeProfileLevel, 0);
+define_pd_global(uintx, TypeProfileLevel, 111);
 
 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \
                                                                             \

hotspot/src/cpu/sparc/vm/icBuffer_sparc.cpp

@@ -25,7 +25,7 @@
 #include "precompiled.hpp"
 #include "asm/macroAssembler.inline.hpp"
 #include "code/icBuffer.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/bytecodes.hpp"
 #include "memory/resourceArea.hpp"
 #include "nativeInst_sparc.hpp"

hotspot/src/cpu/sparc/vm/macroAssembler_sparc.cpp

@@ -25,9 +25,9 @@
 #include "precompiled.hpp"
 #include "asm/macroAssembler.inline.hpp"
 #include "compiler/disassembler.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/interpreter.hpp"
-#include "memory/cardTableModRefBS.hpp"
 #include "memory/resourceArea.hpp"
 #include "memory/universe.hpp"
 #include "prims/methodHandles.hpp"
@@ -39,9 +39,9 @@
 #include "runtime/stubRoutines.hpp"
 #include "utilities/macros.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc/g1/g1CollectedHeap.inline.hpp"
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
-#include "gc_implementation/g1/heapRegion.hpp"
+#include "gc/g1/heapRegion.hpp"
 #endif // INCLUDE_ALL_GCS
 
 #ifdef PRODUCT

hotspot/src/cpu/x86/vm/assembler_x86.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -25,9 +25,9 @@
 #include "precompiled.hpp"
 #include "asm/assembler.hpp"
 #include "asm/assembler.inline.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/interpreter.hpp"
-#include "memory/cardTableModRefBS.hpp"
 #include "memory/resourceArea.hpp"
 #include "prims/methodHandles.hpp"
 #include "runtime/biasedLocking.hpp"
@@ -38,9 +38,9 @@
 #include "runtime/stubRoutines.hpp"
 #include "utilities/macros.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc/g1/g1CollectedHeap.inline.hpp"
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
-#include "gc_implementation/g1/heapRegion.hpp"
+#include "gc/g1/heapRegion.hpp"
 #endif // INCLUDE_ALL_GCS
 
 #ifdef PRODUCT

hotspot/src/cpu/x86/vm/c1_CodeStubs_x86.cpp

@@ -33,7 +33,7 @@
 #include "utilities/macros.hpp"
 #include "vmreg_x86.inline.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
 #endif // INCLUDE_ALL_GCS
 
 

hotspot/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp

@@ -32,9 +32,9 @@
 #include "c1/c1_ValueStack.hpp"
 #include "ci/ciArrayKlass.hpp"
 #include "ci/ciInstance.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/barrierSet.hpp"
-#include "memory/barrierSet.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
-#include "memory/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "nativeInst_x86.hpp"
 #include "oops/objArrayKlass.hpp"
 #include "runtime/sharedRuntime.hpp"

hotspot/src/cpu/x86/vm/c1_MacroAssembler_x86.cpp

@@ -26,7 +26,7 @@
 #include "c1/c1_MacroAssembler.hpp"
 #include "c1/c1_Runtime1.hpp"
 #include "classfile/systemDictionary.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "interpreter/interpreter.hpp"
 #include "oops/arrayOop.hpp"
 #include "oops/markOop.hpp"

hotspot/src/cpu/x86/vm/c1_Runtime1_x86.cpp

@@ -39,7 +39,7 @@
 #include "utilities/macros.hpp"
 #include "vmreg_x86.inline.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
 #endif
 
 

hotspot/src/cpu/x86/vm/icBuffer_x86.cpp

@@ -26,7 +26,7 @@
 #include "asm/macroAssembler.hpp"
 #include "asm/macroAssembler.inline.hpp"
 #include "code/icBuffer.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/bytecodes.hpp"
 #include "memory/resourceArea.hpp"
 #include "nativeInst_x86.hpp"

hotspot/src/cpu/x86/vm/interp_masm_x86.cpp

@@ -1035,8 +1035,7 @@ void InterpreterMacroAssembler::get_method_counters(Register method,
 //      rdx, c_rarg1: BasicObjectLock to be used for locking
 //
 // Kills:
-//      rax
+//      rax, rbx
-//      rscratch1 (scratch regs)
 void InterpreterMacroAssembler::lock_object(Register lock_reg) {
   assert(lock_reg == LP64_ONLY(c_rarg1) NOT_LP64(rdx),
          "The argument is only for looks. It must be c_rarg1");
@@ -1049,6 +1048,8 @@ void InterpreterMacroAssembler::lock_object(Register lock_reg) {
     Label done;
 
     const Register swap_reg = rax; // Must use rax for cmpxchg instruction
+    const Register tmp_reg = rbx; // Will be passed to biased_locking_enter to avoid a
+                                  // problematic case where tmp_reg = no_reg.
     const Register obj_reg = LP64_ONLY(c_rarg3) NOT_LP64(rcx); // Will contain the oop
 
     const int obj_offset = BasicObjectLock::obj_offset_in_bytes();
@@ -1062,7 +1063,7 @@ void InterpreterMacroAssembler::lock_object(Register lock_reg) {
     movptr(obj_reg, Address(lock_reg, obj_offset));
 
     if (UseBiasedLocking) {
-      biased_locking_enter(lock_reg, obj_reg, swap_reg, rscratch1, false, done, &slow_case);
+      biased_locking_enter(lock_reg, obj_reg, swap_reg, tmp_reg, false, done, &slow_case);
     }
 
     // Load immediate 1 into swap_reg %rax

hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp

@@ -26,9 +26,9 @@
 #include "asm/assembler.hpp"
 #include "asm/assembler.inline.hpp"
 #include "compiler/disassembler.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/interpreter.hpp"
-#include "memory/cardTableModRefBS.hpp"
 #include "memory/resourceArea.hpp"
 #include "memory/universe.hpp"
 #include "prims/methodHandles.hpp"
@@ -40,9 +40,9 @@
 #include "runtime/stubRoutines.hpp"
 #include "utilities/macros.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc/g1/g1CollectedHeap.inline.hpp"
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
-#include "gc_implementation/g1/heapRegion.hpp"
+#include "gc/g1/heapRegion.hpp"
 #endif // INCLUDE_ALL_GCS
 
 #ifdef PRODUCT
@@ -1069,15 +1069,8 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
                                          BiasedLockingCounters* counters) {
   assert(UseBiasedLocking, "why call this otherwise?");
   assert(swap_reg == rax, "swap_reg must be rax for cmpxchgq");
-  LP64_ONLY( assert(tmp_reg != noreg, "tmp_reg must be supplied"); )
+  assert(tmp_reg != noreg, "tmp_reg must be supplied");
-  bool need_tmp_reg = false;
+  assert_different_registers(lock_reg, obj_reg, swap_reg, tmp_reg);
-  if (tmp_reg == noreg) {
-    need_tmp_reg = true;
-    tmp_reg = lock_reg;
-    assert_different_registers(lock_reg, obj_reg, swap_reg);
-  } else {
-    assert_different_registers(lock_reg, obj_reg, swap_reg, tmp_reg);
-  }
   assert(markOopDesc::age_shift == markOopDesc::lock_bits + markOopDesc::biased_lock_bits, "biased locking makes assumptions about bit layout");
   Address mark_addr      (obj_reg, oopDesc::mark_offset_in_bytes());
   Address saved_mark_addr(lock_reg, 0);
@@ -1097,15 +1090,9 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
     null_check_offset = offset();
     movptr(swap_reg, mark_addr);
   }
-  if (need_tmp_reg) {
-    push(tmp_reg);
-  }
   movptr(tmp_reg, swap_reg);
   andptr(tmp_reg, markOopDesc::biased_lock_mask_in_place);
   cmpptr(tmp_reg, markOopDesc::biased_lock_pattern);
-  if (need_tmp_reg) {
-    pop(tmp_reg);
-  }
   jcc(Assembler::notEqual, cas_label);
   // The bias pattern is present in the object's header. Need to check
   // whether the bias owner and the epoch are both still current.
@@ -1117,9 +1104,6 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
   // simpler.
   movptr(saved_mark_addr, swap_reg);
 #endif
-  if (need_tmp_reg) {
-    push(tmp_reg);
-  }
   if (swap_reg_contains_mark) {
     null_check_offset = offset();
   }
@@ -1135,9 +1119,6 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
   Register header_reg = swap_reg;
 #endif
   andptr(header_reg, ~((int) markOopDesc::age_mask_in_place));
-  if (need_tmp_reg) {
-    pop(tmp_reg);
-  }
   if (counters != NULL) {
     cond_inc32(Assembler::zero,
                ExternalAddress((address) counters->biased_lock_entry_count_addr()));
@@ -1180,9 +1161,6 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
   NOT_LP64( movptr(swap_reg, saved_mark_addr); )
   andptr(swap_reg,
          markOopDesc::biased_lock_mask_in_place | markOopDesc::age_mask_in_place | markOopDesc::epoch_mask_in_place);
-  if (need_tmp_reg) {
-    push(tmp_reg);
-  }
 #ifdef _LP64
   movptr(tmp_reg, swap_reg);
   orptr(tmp_reg, r15_thread);
@@ -1194,9 +1172,6 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
     lock();
   }
   cmpxchgptr(tmp_reg, mark_addr); // compare tmp_reg and swap_reg
-  if (need_tmp_reg) {
-    pop(tmp_reg);
-  }
   // If the biasing toward our thread failed, this means that
   // another thread succeeded in biasing it toward itself and we
   // need to revoke that bias. The revocation will occur in the
@@ -1220,9 +1195,6 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
   //
   // FIXME: due to a lack of registers we currently blow away the age
   // bits in this situation. Should attempt to preserve them.
-  if (need_tmp_reg) {
-    push(tmp_reg);
-  }
   load_prototype_header(tmp_reg, obj_reg);
 #ifdef _LP64
   orptr(tmp_reg, r15_thread);
@@ -1235,9 +1207,6 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
     lock();
   }
   cmpxchgptr(tmp_reg, mark_addr); // compare tmp_reg and swap_reg
-  if (need_tmp_reg) {
-    pop(tmp_reg);
-  }
   // If the biasing toward our thread failed, then another thread
   // succeeded in biasing it toward itself and we need to revoke that
   // bias. The revocation will occur in the runtime in the slow case.
@@ -1263,17 +1232,11 @@ int MacroAssembler::biased_locking_enter(Register lock_reg,
   // FIXME: due to a lack of registers we currently blow away the age
   // bits in this situation. Should attempt to preserve them.
   NOT_LP64( movptr(swap_reg, saved_mark_addr); )
-  if (need_tmp_reg) {
-    push(tmp_reg);
-  }
   load_prototype_header(tmp_reg, obj_reg);
   if (os::is_MP()) {
     lock();
   }
   cmpxchgptr(tmp_reg, mark_addr); // compare tmp_reg and swap_reg
-  if (need_tmp_reg) {
-    pop(tmp_reg);
-  }
   // Fall through to the normal CAS-based lock, because no matter what
   // the result of the above CAS, some thread must have succeeded in
   // removing the bias bit from the object's header.

hotspot/src/cpu/zero/vm/assembler_zero.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2007, 2008, 2009 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -25,9 +25,9 @@
 
 #include "precompiled.hpp"
 #include "assembler_zero.inline.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/interpreter.hpp"
-#include "memory/cardTableModRefBS.hpp"
 #include "memory/resourceArea.hpp"
 #include "prims/methodHandles.hpp"
 #include "runtime/biasedLocking.hpp"
@@ -38,9 +38,9 @@
 #include "runtime/stubRoutines.hpp"
 #include "utilities/macros.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc/g1/g1CollectedHeap.inline.hpp"
-#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
+#include "gc/g1/g1SATBCardTableModRefBS.hpp"
-#include "gc_implementation/g1/heapRegion.hpp"
+#include "gc/g1/heapRegion.hpp"
 #endif // INCLUDE_ALL_GCS
 
 int AbstractAssembler::code_fill_byte() {

hotspot/src/cpu/zero/vm/globals_zero.hpp

@@ -61,6 +61,8 @@ define_pd_global(size_t, CMSYoungGenPerWorker, 16*M);  // default max size of CM
 
 define_pd_global(uintx, TypeProfileLevel, 0);
 
+define_pd_global(bool, PreserveFramePointer, false);
+
 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct)  \
   product(bool, UseFastEmptyMethods, true,                                  \
           "Use fast method entry code for empty methods")                   \

hotspot/src/cpu/zero/vm/icBuffer_zero.cpp

@@ -27,7 +27,7 @@
 #include "asm/assembler.hpp"
 #include "assembler_zero.inline.hpp"
 #include "code/icBuffer.hpp"
-#include "gc_interface/collectedHeap.inline.hpp"
+#include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/bytecodes.hpp"
 #include "memory/resourceArea.hpp"
 #include "nativeInst_zero.hpp"

hotspot/src/os/bsd/dtrace/generateJvmOffsets.cpp

@@ -41,7 +41,7 @@
 #include "code/codeBlob.hpp"
 #include "code/nmethod.hpp"
 #include "code/pcDesc.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "memory/heap.hpp"
 #include "memory/memRegion.hpp"
 #include "memory/universe.hpp"

hotspot/src/os/linux/vm/os_linux.cpp

@@ -5878,14 +5878,6 @@ void Parker::unpark() {
 
 extern char** environ;
 
-#ifndef __NR_fork
-  #define __NR_fork IA32_ONLY(2) IA64_ONLY(not defined) AMD64_ONLY(57) AARCH64_ONLY(1079)
-#endif
-
-#ifndef __NR_execve
-  #define __NR_execve IA32_ONLY(11) IA64_ONLY(1033) AMD64_ONLY(59) AARCH64_ONLY(221)
-#endif
-
 // Run the specified command in a separate process. Return its exit value,
 // or -1 on failure (e.g. can't fork a new process).
 // Unlike system(), this function can be called from signal handler. It
@@ -5893,13 +5885,7 @@ extern char** environ;
 int os::fork_and_exec(char* cmd) {
   const char * argv[4] = {"sh", "-c", cmd, NULL};
 
-  // fork() in LinuxThreads/NPTL is not async-safe. It needs to run
+  pid_t pid = fork();
-  // pthread_atfork handlers and reset pthread library. All we need is a
-  // separate process to execve. Make a direct syscall to fork process.
-  // On IA64 there's no fork syscall, we have to use fork() and hope for
-  // the best...
-  pid_t pid = NOT_IA64(syscall(__NR_fork);)
-  IA64_ONLY(fork();)
 
   if (pid < 0) {
     // fork failed
@@ -5908,15 +5894,7 @@ int os::fork_and_exec(char* cmd) {
   } else if (pid == 0) {
     // child process
 
-    // execve() in LinuxThreads will call pthread_kill_other_threads_np()
+    execve("/bin/sh", (char* const*)argv, environ);
-    // first to kill every thread on the thread list. Because this list is
-    // not reset by fork() (see notes above), execve() will instead kill
-    // every thread in the parent process. We know this is the only thread
-    // in the new process, so make a system call directly.
-    // IA64 should use normal execve() from glibc to match the glibc fork()
-    // above.
-    NOT_IA64(syscall(__NR_execve, "/bin/sh", argv, environ);)
-    IA64_ONLY(execve("/bin/sh", (char* const*)argv, environ);)
 
     // execve failed
     _exit(-1);

hotspot/src/os/solaris/dtrace/generateJvmOffsets.cpp

@@ -41,7 +41,7 @@
 #include "code/codeBlob.hpp"
 #include "code/nmethod.hpp"
 #include "code/pcDesc.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "memory/heap.hpp"
 #include "memory/memRegion.hpp"
 #include "memory/universe.hpp"

hotspot/src/share/vm/adlc/main.cpp

@@ -215,7 +215,7 @@ int main(int argc, char *argv[])
   AD.addInclude(AD._CPP_file, "code/compiledIC.hpp");
   AD.addInclude(AD._CPP_file, "code/nativeInst.hpp");
   AD.addInclude(AD._CPP_file, "code/vmreg.inline.hpp");
-  AD.addInclude(AD._CPP_file, "gc_interface/collectedHeap.inline.hpp");
+  AD.addInclude(AD._CPP_file, "gc/shared/collectedHeap.inline.hpp");
   AD.addInclude(AD._CPP_file, "oops/compiledICHolder.hpp");
   AD.addInclude(AD._CPP_file, "oops/markOop.hpp");
   AD.addInclude(AD._CPP_file, "oops/method.hpp");

hotspot/src/share/vm/asm/codeBuffer.cpp

@@ -25,7 +25,7 @@
 #include "precompiled.hpp"
 #include "asm/codeBuffer.hpp"
 #include "compiler/disassembler.hpp"
-#include "memory/gcLocker.hpp"
+#include "gc/shared/gcLocker.hpp"
 #include "oops/methodData.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/icache.hpp"

hotspot/src/share/vm/c1/c1_LIRGenerator.cpp

@@ -23,8 +23,8 @@
  */
 
 #include "precompiled.hpp"
-#include "c1/c1_Defs.hpp"
 #include "c1/c1_Compilation.hpp"
+#include "c1/c1_Defs.hpp"
 #include "c1/c1_FrameMap.hpp"
 #include "c1/c1_Instruction.hpp"
 #include "c1/c1_LIRAssembler.hpp"
@@ -33,7 +33,7 @@
 #include "ci/ciArrayKlass.hpp"
 #include "ci/ciInstance.hpp"
 #include "ci/ciObjArray.hpp"
-#include "memory/cardTableModRefBS.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
 #include "runtime/arguments.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/stubRoutines.hpp"
@@ -41,7 +41,7 @@
 #include "utilities/bitMap.inline.hpp"
 #include "utilities/macros.hpp"
 #if INCLUDE_ALL_GCS
-#include "gc_implementation/g1/heapRegion.hpp"
+#include "gc/g1/heapRegion.hpp"
 #endif // INCLUDE_ALL_GCS
 
 #ifdef ASSERT

hotspot/src/share/vm/c1/c1_Runtime1.cpp

@@ -38,11 +38,11 @@
 #include "code/scopeDesc.hpp"
 #include "code/vtableStubs.hpp"
 #include "compiler/disassembler.hpp"
-#include "gc_interface/collectedHeap.hpp"
+#include "gc/shared/barrierSet.hpp"
+#include "gc/shared/collectedHeap.hpp"
 #include "interpreter/bytecode.hpp"
 #include "interpreter/interpreter.hpp"
 #include "memory/allocation.inline.hpp"
-#include "memory/barrierSet.hpp"
 #include "memory/oopFactory.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/objArrayKlass.hpp"