Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/oops/VirtualCallData.java @ 3939:f6f3bb0ee072
7088955: add C2 IR support to the SA
Reviewed-by: kvn
author | never |
---|---|
date | Sun, 11 Sep 2011 14:48:24 -0700 |
parents | |
children | 4bec1b1f7b33 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/oops/VirtualCallData.java Sun Sep 11 14:48:24 2011 -0700 @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. + * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + */ + +package sun.jvm.hotspot.oops; + +import java.io.*; +import java.util.*; +import sun.jvm.hotspot.debugger.*; +import sun.jvm.hotspot.runtime.*; +import sun.jvm.hotspot.types.*; +import sun.jvm.hotspot.utilities.*; + +// VirtualCallData +// +// A VirtualCallData is used to access profiling information about a +// call. For now, it has nothing more than a ReceiverTypeData. +public class VirtualCallData extends ReceiverTypeData { + public VirtualCallData(DataLayout layout) { + super(layout); + //assert(layout.tag() == DataLayout.virtualCallDataTag, "wrong type"); + } + + static int staticCellCount() { + // At this point we could add more profile state, e.g., for arguments. + // But for now it's the same size as the base record type. + return ReceiverTypeData.staticCellCount(); + } + + public int cellCount() { + return staticCellCount(); + } + + // Direct accessors + static int virtualCallDataSize() { + return cellOffset(staticCellCount()); + } + + public void printDataOn(PrintStream st) { + printShared(st, "VirtualCallData"); + printReceiverDataOn(st); + } +}