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diff agent/src/share/classes/sun/jvm/hotspot/runtime/VM.java @ 642:660978a2a31a

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6791178: Specialize for zero as the compressed oop vm heap base Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb. Reviewed-by: never, twisti, jcoomes, coleenp
author kvn
date Thu, 12 Mar 2009 10:37:46 -0700
parents cecd8eb4e0ca
children 60bfce711da4
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/runtime/VM.java	Wed Mar 11 14:16:13 2009 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/VM.java	Thu Mar 12 10:37:46 2009 -0700
@@ -342,8 +342,8 @@
       throw new RuntimeException("Attempt to initialize VM twice");
     }
     soleInstance = new VM(db, debugger, debugger.getMachineDescription().isBigEndian());
-    debugger.putHeapConst(Universe.getHeapBase(), soleInstance.getHeapOopSize(),
-                          soleInstance.logMinObjAlignmentInBytes);
+    debugger.putHeapConst(soleInstance.getHeapOopSize(), Universe.getNarrowOopBase(),
+                          Universe.getNarrowOopShift());
     for (Iterator iter = vmInitializedObservers.iterator(); iter.hasNext(); ) {
       ((Observer) iter.next()).update(null, null);
     }