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/debugger/posix/AddressDataSource.java

/*
 * Copyright (c) 2001, 2004, 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.debugger.posix;

import java.io.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.posix.elf.*;

class AddressDataSource implements DataSource {
    AddressDataSource(Address addr) {
        this.addr = addr;
        offset = 0;
    }

    public byte readByte() throws IOException {
        try {
            byte res = (byte) addr.getCIntegerAt(offset, 1, false);
            ++offset;
            return res;
        } catch (UnmappedAddressException e) {
            throw (IOException) new IOException("Unmapped address at 0x"
                    + Long.toHexString(e.getAddress())).initCause(e);
        } catch (DebuggerException e) {
            throw (IOException) new IOException().initCause(e);
        }
    }

    public short readShort() throws IOException {
        // NOTE: byte swapping is taken care of at the ELFFileImpl level
        int b1 = readByte() & 0xFF;
        int b2 = readByte() & 0xFF;
        return (short) ((b1 << 8) | b2);
    }

    public int readInt() throws IOException {
        // NOTE: byte swapping is taken care of at the ELFFileImpl level
        int b1 = ((int) readByte()) & 0xFF;
        int b2 = ((int) readByte()) & 0xFF;
        int b3 = ((int) readByte()) & 0xFF;
        int b4 = ((int) readByte()) & 0xFF;
        return ((b1 << 24) | (b2 << 16) | (b3 << 8) | b4);
    }

    public long readLong() throws IOException {
        // NOTE: byte swapping is taken care of at the ELFFileImpl level
        long b1 = ((long) readByte()) & 0xFFL;
        long b2 = ((long) readByte()) & 0xFFL;
        long b3 = ((long) readByte()) & 0xFFL;
        long b4 = ((long) readByte()) & 0xFFL;
        long b5 = ((long) readByte()) & 0xFFL;
        long b6 = ((long) readByte()) & 0xFFL;
        long b7 = ((long) readByte()) & 0xFFL;
        long b8 = ((long) readByte()) & 0xFFL;
        return (((((b1 << 24) | (b2 << 16) | (b3 << 8) | b4)) << 32) |
                ((((b5 << 24) | (b6 << 16) | (b7 << 8) | b8))));
    }

    public int read(byte[] b) throws IOException {
        for (int i = 0; i < b.length; i++) {
            b[i] = readByte();
        }
        return b.length;
    }

    public void seek(long pos) throws IOException {
        offset = pos;
    }

    public long getFilePointer() throws IOException {
        return offset;
    }

    public void close() throws IOException {
    }

    private Address addr;
    private long offset;
}

sun/jvm/hotspot/debugger/posix/AddressDataSource.java

 

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2020-02-29, 20133👍, 0💬