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JDK 11 jdk.hotspot.agent.jmod - Hotspot Agent Module
JDK 11 jdk.hotspot.agent.jmod is the JMOD file for JDK 11 Hotspot Agent module.
JDK 11 Hotspot Agent module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.hotspot.agent.jmod.
JDK 11 Hotspot Agent module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Hotspot Agent module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.hotspot.agent.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ sun/jvm/hotspot/memory/Universe.java
/* * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * */ package sun.jvm.hotspot.memory; import java.io.PrintStream; import java.util.Observable; import java.util.Observer; import sun.jvm.hotspot.debugger.Address; import sun.jvm.hotspot.debugger.OopHandle; import sun.jvm.hotspot.gc.cms.CMSHeap; import sun.jvm.hotspot.gc.epsilon.EpsilonHeap; import sun.jvm.hotspot.gc.g1.G1CollectedHeap; import sun.jvm.hotspot.gc.parallel.ParallelScavengeHeap; import sun.jvm.hotspot.gc.serial.SerialHeap; import sun.jvm.hotspot.gc.shared.CollectedHeap; import sun.jvm.hotspot.gc.z.ZCollectedHeap; import sun.jvm.hotspot.oops.Oop; import sun.jvm.hotspot.runtime.BasicType; import sun.jvm.hotspot.runtime.VM; import sun.jvm.hotspot.runtime.VirtualConstructor; import sun.jvm.hotspot.types.AddressField; import sun.jvm.hotspot.types.CIntegerField; import sun.jvm.hotspot.types.Type; import sun.jvm.hotspot.types.TypeDataBase; public class Universe { private static AddressField collectedHeapField; private static VirtualConstructor heapConstructor; private static sun.jvm.hotspot.types.OopField mainThreadGroupField; private static sun.jvm.hotspot.types.OopField systemThreadGroupField; // single dimensional primitive array klasses private static sun.jvm.hotspot.types.AddressField boolArrayKlassField; private static sun.jvm.hotspot.types.AddressField byteArrayKlassField; private static sun.jvm.hotspot.types.AddressField charArrayKlassField; private static sun.jvm.hotspot.types.AddressField intArrayKlassField; private static sun.jvm.hotspot.types.AddressField shortArrayKlassField; private static sun.jvm.hotspot.types.AddressField longArrayKlassField; private static sun.jvm.hotspot.types.AddressField singleArrayKlassField; private static sun.jvm.hotspot.types.AddressField doubleArrayKlassField; private static AddressField narrowOopBaseField; private static CIntegerField narrowOopShiftField; private static AddressField narrowKlassBaseField; private static CIntegerField narrowKlassShiftField; public enum NARROW_OOP_MODE { UnscaledNarrowOop, ZeroBasedNarrowOop, HeapBasedNarrowOop } static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } private static boolean typeExists(TypeDataBase db, String type) { try { db.lookupType(type); } catch (RuntimeException e) { return false; } return true; } private static void addHeapTypeIfInDB(TypeDataBase db, Class heapClass) { String heapName = heapClass.getSimpleName(); if (typeExists(db, heapName)) { heapConstructor.addMapping(heapName, heapClass); } } private static synchronized void initialize(TypeDataBase db) { Type type = db.lookupType("Universe"); collectedHeapField = type.getAddressField("_collectedHeap"); heapConstructor = new VirtualConstructor(db); addHeapTypeIfInDB(db, CMSHeap.class); addHeapTypeIfInDB(db, SerialHeap.class); addHeapTypeIfInDB(db, ParallelScavengeHeap.class); addHeapTypeIfInDB(db, G1CollectedHeap.class); addHeapTypeIfInDB(db, EpsilonHeap.class); addHeapTypeIfInDB(db, ZCollectedHeap.class); mainThreadGroupField = type.getOopField("_main_thread_group"); systemThreadGroupField = type.getOopField("_system_thread_group"); boolArrayKlassField = type.getAddressField("_boolArrayKlassObj"); byteArrayKlassField = type.getAddressField("_byteArrayKlassObj"); charArrayKlassField = type.getAddressField("_charArrayKlassObj"); intArrayKlassField = type.getAddressField("_intArrayKlassObj"); shortArrayKlassField = type.getAddressField("_shortArrayKlassObj"); longArrayKlassField = type.getAddressField("_longArrayKlassObj"); singleArrayKlassField = type.getAddressField("_singleArrayKlassObj"); doubleArrayKlassField = type.getAddressField("_doubleArrayKlassObj"); narrowOopBaseField = type.getAddressField("_narrow_oop._base"); narrowOopShiftField = type.getCIntegerField("_narrow_oop._shift"); narrowKlassBaseField = type.getAddressField("_narrow_klass._base"); narrowKlassShiftField = type.getCIntegerField("_narrow_klass._shift"); UniverseExt.initialize(heapConstructor); } public Universe() { } public static String narrowOopModeToString(NARROW_OOP_MODE mode) { switch (mode) { case UnscaledNarrowOop: return "32-bits Oops"; case ZeroBasedNarrowOop: return "zero based Compressed Oops"; case HeapBasedNarrowOop: return "Compressed Oops with base"; } return ""; } public CollectedHeap heap() { return (CollectedHeap) heapConstructor.instantiateWrapperFor(collectedHeapField.getValue()); } public static long getNarrowOopBase() { if (narrowOopBaseField.getValue() == null) { return 0; } else { return narrowOopBaseField.getValue().minus(null); } } public static int getNarrowOopShift() { return (int)narrowOopShiftField.getValue(); } public static long getNarrowKlassBase() { if (narrowKlassBaseField.getValue() == null) { return 0; } else { return narrowKlassBaseField.getValue().minus(null); } } public static int getNarrowKlassShift() { return (int)narrowKlassShiftField.getValue(); } /** Returns "TRUE" iff "p" points into the allocated area of the heap. */ public boolean isIn(Address p) { return heap().isIn(p); } /** Returns "TRUE" iff "p" points into the reserved area of the heap. */ public boolean isInReserved(Address p) { return heap().isInReserved(p); } private Oop newOop(OopHandle handle) { return VM.getVM().getObjectHeap().newOop(handle); } public Oop mainThreadGroup() { return newOop(mainThreadGroupField.getValue()); } public Oop systemThreadGroup() { return newOop(systemThreadGroupField.getValue()); } public void print() { printOn(System.out); } public void printOn(PrintStream tty) { heap().printOn(tty); } // Check whether an element of a typeArrayOop with the given type must be // aligned 0 mod 8. The typeArrayOop itself must be aligned at least this // strongly. public static boolean elementTypeShouldBeAligned(BasicType type) { return type == BasicType.T_DOUBLE || type == BasicType.T_LONG; } // Check whether an object field (static/non-static) of the given type must be // aligned 0 mod 8. public static boolean fieldTypeShouldBeAligned(BasicType type) { return type == BasicType.T_DOUBLE || type == BasicType.T_LONG; } }
⏎ sun/jvm/hotspot/memory/Universe.java
Or download all of them as a single archive file:
File name: jdk.hotspot.agent-11.0.1-src.zip File size: 1243786 bytes Release date: 2018-11-04 Download
⇒ JDK 11 jdk.httpserver.jmod - HTTP Server Module
2020-02-29, 131438👍, 0💬
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