1 files changed, 72 insertions, 0 deletions
diff --git a/libjava/gnu/gcj/tools/gc_analyze/ItemList.java b/libjava/gnu/gcj/tools/gc_analyze/ItemList.java
new file mode 100644
index 000000000..7912bebca
--- /dev/null
+++ b/libjava/gnu/gcj/tools/gc_analyze/ItemList.java
@@ -0,0 +1,72 @@
+/* ItemList.java -- Maps all objects keyed by their addresses.
+   Copyright (C) 2007  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+package gnu.gcj.tools.gc_analyze;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TreeMap;
+
+class ItemList
+{
+  public ItemList()
+  {
+  }
+
+  private TreeMap<Long, HashMap<ObjectMap.ObjectItem, Integer>> map;
+
+  public void add(ObjectMap.ObjectItem item)
+  {
+    if (map == null)
+      map = new TreeMap<Long, HashMap<ObjectMap.ObjectItem, Integer>>();
+    Long x = new Long(item.klass);
+    HashMap<ObjectMap.ObjectItem, Integer> list = map.get(x);
+    if (list == null)
+      {
+        list = new HashMap<ObjectMap.ObjectItem, Integer>();
+        map.put(x, list);
+      }
+    Integer count = list.get(item);
+    if (count == null)
+      list.put(item, new Integer(1));
+    else
+      list.put(item, new Integer(count.intValue() + 1));
+  }
+
+  void dump(String title, SymbolLookup lookup) throws IOException
+  {
+    if (map == null)
+      return;
+    System.out.println(title);
+    for (Map.Entry<Long, HashMap<ObjectMap.ObjectItem, Integer>> me :
+           map.entrySet())
+      {
+        HashMap<ObjectMap.ObjectItem, Integer> list = me.getValue();
+        boolean first = true;
+
+        for (Map.Entry<ObjectMap.ObjectItem, Integer> me2 : list.entrySet())
+          {
+            ObjectMap.ObjectItem item = me2.getKey();
+            Integer count = me2.getValue();
+            if (first)
+              {
+                String name =
+                  MemoryAnalyze.getSymbolPretty(lookup, item, false);
+                System.out.println("    " + name + ":");
+                first = false;
+              }
+            System.out.print("        0x" + Long.toHexString(item.ptr));
+            if (count.intValue() != 1)
+              System.out.print(" * " + count);
+            System.out.println();
+          }
+      }
+  }
+}