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.

⏎ sun/jvm/hotspot/utilities/PlatformInfo.java

/*
 * Copyright (c) 2000, 2015, 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.utilities;

/** Provides canonicalized OS and CPU information for the rest of the
    system. */

public class PlatformInfo {
  /* Returns "solaris" if on Solaris; "win32" if Windows; "linux" if
     Linux. Used to determine location of dbx and import module, or
     possible debugger agent on win32. */
  public static String getOS() throws UnsupportedPlatformException {
    String os = System.getProperty("os.name");
    if (os.equals("SunOS")) {
      return "solaris";
    } else if (os.equals("Linux")) {
      return "linux";
    } else if (os.equals("FreeBSD")) {
      return "bsd";
    } else if (os.equals("NetBSD")) {
      return "bsd";
    } else if (os.equals("OpenBSD")) {
      return "bsd";
    } else if (os.contains("Darwin") || os.contains("OS X")) {
      return "darwin";
    } else if (os.startsWith("Windows")) {
      return "win32";
    } else {
      throw new UnsupportedPlatformException("Operating system " + os + " not yet supported");
    }
  }

  public static boolean knownCPU(String cpu) {
    final String[] KNOWN =
        new String[] {"i386", "x86", "x86_64", "amd64", "sparc", "sparcv9", "ppc64", "ppc64le", "aarch64"};

    for(String s : KNOWN) {
      if(s.equals(cpu))
        return true;
    }

    return false;
  }

  /* Returns "sparc" for SPARC based platforms "x86" for x86 based
     platforms and x86_64 for 64bit x86 based platform. Otherwise
     returns the value of os.arch. If the value is not recognized as supported,
     an exception is thrown instead. */

  public static String getCPU() throws UnsupportedPlatformException {
    String cpu = System.getProperty("os.arch");

    // Let any additional CPU mangling fire first
    try {
      Class pic = Class.forName("sun.jvm.hotspot.utilities.PlatformInfoClosed");
      AltPlatformInfo api = (AltPlatformInfo) pic.newInstance();
      if (api.knownCPU(cpu)) {
        return api.getCPU(cpu);
      }
    } catch (Exception e) {
       // Ignored
    }

    // Check that CPU is supported
    if (!knownCPU(cpu)) {
       throw new UnsupportedPlatformException("CPU type " + cpu + " not yet supported");
    }

    // Tweeks
    if (cpu.equals("i386"))
      return "x86";

    if (cpu.equals("sparcv9"))
      return "sparc";

    if (cpu.equals("x86_64"))
      return "amd64";

    if (cpu.equals("ppc64le"))
      return "ppc64";

    return cpu;

  }

  // this main is invoked from Makefile to make platform specific agent Makefile(s).
  public static void main(String[] args) {
    System.out.println(getOS());
  }
}

⏎ sun/jvm/hotspot/utilities/PlatformInfo.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
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