Mercurial > hg > graal-jvmci-8
view agent/src/share/classes/sun/jvm/hotspot/utilities/IntArray.java @ 12820:8ef918538e22
6313383: SA: Update jmap to support HPROF binary format "JAVA PROFILE 1.0.2"
Summary: Adds support for large(>4G) heap dumps in hprof format. Adds tests and updates testlibrary.
Reviewed-by: sla, allwin
Contributed-by: fredrik.arvidsson@oracle.com
author | sla |
---|---|
date | Fri, 04 Oct 2013 13:44:49 +0200 |
parents | da91efe96a93 |
children |
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package sun.jvm.hotspot.utilities; import java.util.Observable; import java.util.Observer; import sun.jvm.hotspot.debugger.Address; import sun.jvm.hotspot.runtime.VM; import sun.jvm.hotspot.types.Type; import sun.jvm.hotspot.types.TypeDataBase; import sun.jvm.hotspot.types.WrongTypeException; public class IntArray extends GenericArray { static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { elemType = db.lookupType("int"); Type type = db.lookupType("Array<int>"); dataFieldOffset = type.getAddressField("_data").getOffset(); } private static long dataFieldOffset; protected static Type elemType; public IntArray(Address addr) { super(addr, dataFieldOffset); } public int at(int i) { return (int)getIntegerAt(i); } public Type getElemType() { return elemType; } }