JDK 17 jdk.hotspot.agent.jmod is the JMOD file for JDK 17 Hotspot Agent module.

JDK 17 Hotspot Agent module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.hotspot.agent.jmod.

JDK 17 Hotspot Agent module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.

JDK 17 Hotspot Agent module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.hotspot.agent.

You can click and view the content of each source code file in the list below.

⏎ sun/jvm/hotspot/gc/z/ZHeap.java

/*
 * Copyright (c) 2017, 2021, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package sun.jvm.hotspot.gc.z;

import java.io.PrintStream;

import sun.jvm.hotspot.debugger.Address;
import sun.jvm.hotspot.runtime.VM;
import sun.jvm.hotspot.runtime.VMObject;
import sun.jvm.hotspot.runtime.VMObjectFactory;
import sun.jvm.hotspot.types.Type;
import sun.jvm.hotspot.types.TypeDataBase;

// Mirror class for ZHeap

public class ZHeap extends VMObject {

    private static long pageAllocatorFieldOffset;
    private static long pageTableFieldOffset;
    private static long forwardingTableFieldOffset;
    private static long relocateFieldOffset;

    static {
        VM.registerVMInitializedObserver((o, d) -> initialize(VM.getVM().getTypeDataBase()));
    }

    private static synchronized void initialize(TypeDataBase db) {
        Type type = db.lookupType("ZHeap");

        pageAllocatorFieldOffset = type.getAddressField("_page_allocator").getOffset();
        pageTableFieldOffset = type.getAddressField("_page_table").getOffset();
        forwardingTableFieldOffset = type.getAddressField("_forwarding_table").getOffset();
        relocateFieldOffset = type.getAddressField("_relocate").getOffset();
    }

    public ZHeap(Address addr) {
        super(addr);
    }

    private ZPageAllocator pageAllocator() {
        Address pageAllocatorAddr = addr.addOffsetTo(pageAllocatorFieldOffset);
        return (ZPageAllocator)VMObjectFactory.newObject(ZPageAllocator.class, pageAllocatorAddr);
    }

    ZPageTable pageTable() {
        return (ZPageTable)VMObjectFactory.newObject(ZPageTable.class, addr.addOffsetTo(pageTableFieldOffset));
    }

    ZForwardingTable forwardingTable() {
        return VMObjectFactory.newObject(ZForwardingTable.class, addr.addOffsetTo(forwardingTableFieldOffset));
    }

    ZRelocate relocate() {
        return VMObjectFactory.newObject(ZRelocate.class, addr.addOffsetTo(relocateFieldOffset));
    }

    public long maxCapacity() {
        return pageAllocator().maxCapacity();
    }

    public long capacity() {
        return pageAllocator().capacity();
    }

    public long used() {
        return pageAllocator().used();
    }

    boolean is_relocating(Address o) {
        return pageTable().is_relocating(o);
    }

    Address relocate_object(Address addr) {
        ZForwarding forwarding = forwardingTable().get(addr);
        if (forwarding == null) {
            return ZAddress.good(addr);
        }
        return relocate().relocateObject(forwarding, ZAddress.good(addr));
    }

    public boolean isIn(Address addr) {
        if (ZAddress.isIn(addr)) {
            ZPage page = pageTable().get(addr);
            if (page != null) {
                return page.isIn(addr);
            }
        }
        return false;
    }

    public Address remapObject(Address o) {
        ZForwarding forwarding = forwardingTable().get(addr);
        if (forwarding == null) {
            return ZAddress.good(o);
        }
        return relocate().forwardObject(forwarding, ZAddress.good(o));
    }

    public void printOn(PrintStream tty) {
        tty.print(" ZHeap          ");
        tty.print("used " + (used() / 1024 / 1024) + "M, ");
        tty.print("capacity " + (capacity() / 1024 / 1024) + "M, ");
        tty.println("max capacity " + (maxCapacity() / 1024 / 1024) + "M");
    }
}

⏎ sun/jvm/hotspot/gc/z/ZHeap.java

Or download all of them as a single archive file:

File name: jdk.hotspot.agent-17.0.5-src.zip
File size: 1238587 bytes
Release date: 2022-09-13
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