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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/CodeHeap.java
/* * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * */ package sun.jvm.hotspot.memory; import java.util.*; import sun.jvm.hotspot.code.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.types.*; public class CodeHeap extends VMObject { private static Field memoryField; private static Field segmapField; // private static CIntegerField numberOfCommittedSegmentsField; // private static CIntegerField numberOfReservedSegmentsField; // private static CIntegerField segmentSizeField; private static CIntegerField log2SegmentSizeField; // private static CIntegerField nextSegmentField; // private static AddressField freelistField; // private static CIntegerField freeSegmentsField; private VirtualSpace memory; private VirtualSpace segmentMap; private int log2SegmentSize; static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } private static void initialize(TypeDataBase db) { Type type = db.lookupType("CodeHeap"); memoryField = type.getField("_memory"); segmapField = type.getField("_segmap"); log2SegmentSizeField = type.getCIntegerField("_log2_segment_size"); } public CodeHeap(Address addr) { super(addr); log2SegmentSize = (int) log2SegmentSizeField.getValue(addr); segmentMap = new VirtualSpace(addr.addOffsetTo(segmapField.getOffset())); memory = new VirtualSpace(addr.addOffsetTo(memoryField.getOffset())); } public Address begin() { return getMemory().low(); } public Address end() { return getMemory().high(); } public boolean contains(Address p) { return (begin().lessThanOrEqual(p) && end().greaterThan(p)); } /** Returns the start of the block containing p or null */ public Address findStart(Address p) { if (!contains(p)) return null; HeapBlock h = blockStart(p); if (h == null || h.isFree()) { return null; } return h.getAllocatedSpace(); } private Address nextBlock(Address ptr) { Address base = blockBase(ptr); if (base == null) { return null; } HeapBlock block = getBlockAt(base); return base.addOffsetTo(block.getLength() * (1 << getLog2SegmentSize())); } public void iterate(CodeCacheVisitor visitor, CodeCache cache) { CodeBlob lastBlob = null; Address ptr = begin(); while (ptr != null && ptr.lessThan(end())) { try { // Use findStart to get a pointer inside blob other findBlob asserts CodeBlob blob = cache.createCodeBlobWrapper(findStart(ptr)); if (blob != null) { visitor.visit(blob); if (blob == lastBlob) { throw new InternalError("saw same blob twice"); } lastBlob = blob; } } catch (RuntimeException e) { e.printStackTrace(); } Address next = nextBlock(ptr); if (next != null && next.lessThan(ptr)) { throw new InternalError("pointer moved backwards"); } ptr = next; } } //-------------------------------------------------------------------------------- // Internals only below this point // private VirtualSpace getMemory() { return memory; } private VirtualSpace getSegmentMap() { return segmentMap; } private long segmentFor(Address p) { return p.minus(getMemory().low()) >> getLog2SegmentSize(); } private int getLog2SegmentSize() { return log2SegmentSize; } private HeapBlock getBlockAt(Address addr) { return (HeapBlock) VMObjectFactory.newObject(HeapBlock.class, addr); } private HeapBlock blockStart(Address p) { Address base = blockBase(p); if (base == null) return null; return getBlockAt(base); } private Address blockBase(Address p) { long i = segmentFor(p); Address b = getSegmentMap().low(); if (b.getCIntegerAt(i, 1, true) == 0xFF) { return null; } while (b.getCIntegerAt(i, 1, true) > 0) { i -= b.getCIntegerAt(i, 1, true); } return getMemory().low().addOffsetTo(i << getLog2SegmentSize()); } }
⏎ sun/jvm/hotspot/memory/CodeHeap.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, 131485👍, 0💬
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