--- a/hotspot/src/share/vm/gc_interface/collectedHeap.cpp	Mon Mar 09 13:34:00 2009 -0700
+++ b/hotspot/src/share/vm/gc_interface/collectedHeap.cpp	Thu Mar 12 18:16:36 2009 -0700
@@ -294,3 +294,29 @@
     ThreadLocalAllocBuffer::resize_all_tlabs();
   }
 }
+
+void CollectedHeap::pre_full_gc_dump() {
+  if (HeapDumpBeforeFullGC) {
+    TraceTime tt("Heap Dump: ", PrintGCDetails, false, gclog_or_tty);
+    // We are doing a "major" collection and a heap dump before
+    // major collection has been requested.
+    HeapDumper::dump_heap();
+  }
+  if (PrintClassHistogramBeforeFullGC) {
+    TraceTime tt("Class Histogram: ", PrintGCDetails, true, gclog_or_tty);
+    VM_GC_HeapInspection inspector(gclog_or_tty, false /* ! full gc */, false /* ! prologue */);
+    inspector.doit();
+  }
+}
+
+void CollectedHeap::post_full_gc_dump() {
+  if (HeapDumpAfterFullGC) {
+    TraceTime tt("Heap Dump", PrintGCDetails, false, gclog_or_tty);
+    HeapDumper::dump_heap();
+  }
+  if (PrintClassHistogramAfterFullGC) {
+    TraceTime tt("Class Histogram", PrintGCDetails, true, gclog_or_tty);
+    VM_GC_HeapInspection inspector(gclog_or_tty, false /* ! full gc */, false /* ! prologue */);
+    inspector.doit();
+  }
+}