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How to use read method of sun.tools.attach.BsdVirtualMachine class

Best Powermock code snippet using sun.tools.attach.BsdVirtualMachine.read

Source:BsdVirtualMachine.java

...72                long delay = 200;73                int retries = (int)(attachTimeout() / delay);74                do {75                    try {76                        Thread.sleep(delay);77                    } catch (InterruptedException x) { }78                    path = findSocketFile(pid);79                    i++;80                } while (i <= retries && path == null);81                if (path == null) {82                    throw new AttachNotSupportedException(83                        "Unable to open socket file: target process not responding " +84                        "or HotSpot VM not loaded");85                }86            } finally {87                f.delete();88            }89        }90        // Check that the file owner/permission to avoid attaching to91        // bogus process92        checkPermissions(path);93        // Check that we can connect to the process94        // - this ensures we throw the permission denied error now rather than95        // later when we attempt to enqueue a command.96        int s = socket();97        try {98            connect(s, path);99        } finally {100            close(s);101        }102    }103    /**104     * Detach from the target VM105     */106    public void detach() throws IOException {107        synchronized (this) {108            if (this.path != null) {109                this.path = null;110            }111        }112    }113    // protocol version114    private final static String PROTOCOL_VERSION = "1";115    // known errors116    private final static int ATTACH_ERROR_BADVERSION = 101;117    /**118     * Execute the given command in the target VM.119     */120    InputStream execute(String cmd, Object ... args) throws AgentLoadException, IOException {121        assert args.length <= 3;                // includes null122        // did we detach?123        String p;124        synchronized (this) {125            if (this.path == null) {126                throw new IOException("Detached from target VM");127            }128            p = this.path;129        }130        // create UNIX socket131        int s = socket();132        // connect to target VM133        try {134            connect(s, p);135        } catch (IOException x) {136            close(s);137            throw x;138        }139        IOException ioe = null;140        // connected - write request141        // <ver> <cmd> <args...>142        try {143            writeString(s, PROTOCOL_VERSION);144            writeString(s, cmd);145            for (int i=0; i<3; i++) {146                if (i < args.length && args[i] != null) {147                    writeString(s, (String)args[i]);148                } else {149                    writeString(s, "");150                }151            }152        } catch (IOException x) {153            ioe = x;154        }155        // Create an input stream to read reply156        SocketInputStream sis = new SocketInputStream(s);157        // Read the command completion status158        int completionStatus;159        try {160            completionStatus = readInt(sis);161        } catch (IOException x) {162            sis.close();163            if (ioe != null) {164                throw ioe;165            } else {166                throw x;167            }168        }169        if (completionStatus != 0) {170            // read from the stream and use that as the error message171            String message = readErrorMessage(sis);172            sis.close();173            // In the event of a protocol mismatch then the target VM174            // returns a known error so that we can throw a reasonable175            // error.176            if (completionStatus == ATTACH_ERROR_BADVERSION) {177                throw new IOException("Protocol mismatch with target VM");178            }179            // Special-case the "load" command so that the right exception is180            // thrown.181            if (cmd.equals("load")) {182                throw new AgentLoadException("Failed to load agent library");183            } else {184                if (message == null) {185                    throw new AttachOperationFailedException("Command failed in target VM");186                } else {187                    throw new AttachOperationFailedException(message);188                }189            }190        }191        // Return the input stream so that the command output can be read192        return sis;193    }194    /*195     * InputStream for the socket connection to get target VM196     */197    private class SocketInputStream extends InputStream {198        int s;199        public SocketInputStream(int s) {200            this.s = s;201        }202        public synchronized int read() throws IOException {203            byte b[] = new byte[1];204            int n = this.read(b, 0, 1);205            if (n == 1) {206                return b[0] & 0xff;207            } else {208                return -1;209            }210        }211        public synchronized int read(byte[] bs, int off, int len) throws IOException {212            if ((off < 0) || (off > bs.length) || (len < 0) ||213                ((off + len) > bs.length) || ((off + len) < 0)) {214                throw new IndexOutOfBoundsException();215            } else if (len == 0) {216                return 0;217            }218            return BsdVirtualMachine.read(s, bs, off, len);219        }220        public void close() throws IOException {221            BsdVirtualMachine.close(s);222        }223    }224    // Return the socket file for the given process.225    // Checks temp directory for .java_pid<pid>.226    private String findSocketFile(int pid) {227        String fn = ".java_pid" + pid;228        File f = new File(tmpdir, fn);229        return f.exists() ? f.getPath() : null;230    }231    /*232     * Write/sends the given to the target VM. String is transmitted in233     * UTF-8 encoding.234     */235    private void writeString(int fd, String s) throws IOException {236        if (s.length() > 0) {237            byte b[];238            try {239                b = s.getBytes("UTF-8");240            } catch (java.io.UnsupportedEncodingException x) {241                throw new InternalError();242            }243            BsdVirtualMachine.write(fd, b, 0, b.length);244        }245        byte b[] = new byte[1];246        b[0] = 0;247        write(fd, b, 0, 1);248    }249    //-- native methods250    static native void sendQuitTo(int pid) throws IOException;251    static native void checkPermissions(String path) throws IOException;252    static native int socket() throws IOException;253    static native void connect(int fd, String path) throws IOException;254    static native void close(int fd) throws IOException;255    static native int read(int fd, byte buf[], int off, int bufLen) throws IOException;256    static native void write(int fd, byte buf[], int off, int bufLen) throws IOException;257    static native void createAttachFile(String path);258    static native String getTempDir();259    static {260        System.loadLibrary("attach");261        tmpdir = getTempDir();262    }263}...

Source:patch-j2se-attach-BSDVirtualMachine.java

...70+                long delay = 200;71+                int retries = (int)(attachTimeout() / delay);72+                do {73+                    try {74+                        Thread.sleep(delay);75+                    } catch (InterruptedException x) { }76+                    path = findSocketFile(pid);77+                    i++;78+                } while (i <= retries && path == null);79+                if (path == null) {80+                    throw new AttachNotSupportedException(81+                        "Unable to open socket file: target process not responding " +82+                        "or HotSpot VM not loaded");83+                }84+            } finally {85+                attachFile.delete();86+            }87+        }88+89+        // Check that the file owner/permission to avoid attaching to90+        // bogus process91+        checkPermissions(path);92+93+        // Check that we can connect to the process94+        // - this ensures we throw the permission denied error now rather than95+        // later when we attempt to enqueue a command.96+        int s = socket();97+        try {98+            connect(s, path);99+        } finally {100+            close(s);101+        }102+    }103+104+    /**105+     * Detach from the target VM106+     */107+    public void detach() throws IOException {108+        synchronized (this) {109+            if (this.path != null) {110+                this.path = null;111+            }112+        }113+    }114+115+    // protocol version116+    private final static String PROTOCOL_VERSION = "1";117+118+    // known errors119+    private final static int ATTACH_ERROR_BADVERSION = 101;120+      121+    /**122+     * Execute the given command in the target VM.123+     */ 124+    InputStream execute(String cmd, Object ... args) throws AgentLoadException, IOException {125+        assert args.length <= 3;                // includes null126+127+        // did we detach?128+        String p;129+        synchronized (this) {130+            if (this.path == null) {131+                throw new IOException("Detached from target VM");132+            }133+            p = this.path;134+        }135+136+        // create UNIX socket137+        int s = socket();138+139+        // connect to target VM140+        try {141+            connect(s, p);142+        } catch (IOException x) {143+            close(s);144+            throw x;145+        }146+147+        IOException ioe = null;148+149+        // connected - write request150+           // <ver> <cmd> <args...>151+        try {152+            writeString(s, PROTOCOL_VERSION);153+            writeString(s, cmd);154+155+            for (int i=0; i<3; i++) {156+                if (i < args.length && args[i] != null) {157+                    writeString(s, (String)args[i]);158+                } else {159+                    writeString(s, "");160+                }161+            }162+        } catch (IOException x) {163+            ioe = x;164+        }165+        166+167+        // Create an input stream to read reply168+        SocketInputStream sis = new SocketInputStream(s);169+170+        // Read the command completion status171+        int completionStatus;172+        try {173+            completionStatus = readInt(sis);174+        } catch (IOException x) {175+            sis.close();176+            if (ioe != null) {177+                throw ioe;178+            } else {179+                throw x;180+            }181+        }182+183+        if (completionStatus != 0) {184+            sis.close();185+186+            // In the event of a protocol mismatch then the target VM187+            // returns a known error so that we can throw a reasonable188+            // error.189+            if (completionStatus == ATTACH_ERROR_BADVERSION) {190+                throw new IOException("Protocol mismatch with target VM");191+            }192+193+            // Special-case the "load" command so that the right exception is194+            // thrown.195+            if (cmd.equals("load")) {196+                throw new AgentLoadException("Failed to load agent library");197+            } else {198+                throw new IOException("Command failed in target VM");199+            }200+        }201+202+        // Return the input stream so that the command output can be read203+        return sis;204+    }205+206+    /*207+     * InputStream for the socket connection to get target VM208+     */209+    private class SocketInputStream extends InputStream {210+        int s;211+212+        public SocketInputStream(int s) {213+            this.s = s;214+        }215+216+        public synchronized int read() throws IOException {217+            byte b[] = new byte[1];218+            int n = this.read(b, 0, 1);219+            if (n == 1) {220+                return b[0] & 0xff;221+            } else {222+                return -1;223+            }224+        }225+226+        public synchronized int read(byte[] bs, int off, int len) throws IOException {227+            if ((off < 0) || (off > bs.length) || (len < 0) ||228+                ((off + len) > bs.length) || ((off + len) < 0)) {229+                throw new IndexOutOfBoundsException();230+            } else if (len == 0)231+                return 0;232+233+            return BSDVirtualMachine.read(s, bs, off, len);234+        }235+236+        public void close() throws IOException {237+            BSDVirtualMachine.close(s);238+        }239+    }240+241+242+    // Return the socket file for the given process.243+    // Checks working directory of process for .java_pid<pid>. If not244+    // found it looks in /tmp.245+    private String findSocketFile(int pid) {246+        // First check for a .java_pid<pid> file in the working directory247+        // of the target process248+        String fn = ".java_pid" + pid;249+        String path = getTmpDir() + fn;250+        File f = new File(path);251+252+        if (!f.exists()) {253+            return null;            // not found254+        }255+        return path;256+    }257+258+    /*259+     * Write/sends the given to the target VM. String is transmitted in260+     * UTF-8 encoding.261+     */262+    private void writeString(int fd, String s) throws IOException {263+        if (s.length() > 0) {264+            byte b[];265+            try {266+                b = s.getBytes("UTF-8");267+            } catch (java.io.UnsupportedEncodingException x) { 268+                throw new InternalError();269+            }        270+            BSDVirtualMachine.write(fd, b, 0, b.length);271+        }272+        byte b[] = new byte[1];273+        b[0] = 0;274+        write(fd, b, 0, 1);275+    }276+277+278+    static native void sendQuitTo(int pid) throws IOException;279+280+    static native void checkPermissions(String path) throws IOException;281+282+    static native int socket() throws IOException;283+284+    static native void connect(int fd, String path) throws IOException;285+286+    static native void close(int fd) throws IOException;287+288+    static native int read(int fd, byte buf[], int off, int bufLen) throws IOException;289+290+    static native void write(int fd, byte buf[], int off, int bufLen) throws IOException;291+    static native void createAttachFile(String path);292+293+    static {294+        System.loadLibrary("attach");295+    }296+}...

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Using AI Code Generation

1import java.io.*;2import java.lang.management.*;3import sun.tools.attach.*;4public class 4 {5    public static void main(String[] args) {6        try {7            BsdVirtualMachine vm = new BsdVirtualMachine("1234");8            InputStream is = vm.attach(ManagementFactory.getRuntimeMXBean().getName());9            BufferedReader in = new BufferedReader(new InputStreamReader(is));10            String line = null;11            while ((line = in.readLine()) != null) {12                System.out.println(line);13            }14            in.close();15        } catch (Exception e) {16            e.printStackTrace();17        }18    }19}20import java.io.*;21import java.lang.management.*;22import sun.tools.attach.*;23public class 5 {24    public static void main(String[] args) {25        try {26            SolarisVirtualMachine vm = new SolarisVirtualMachine("1234");27            InputStream is = vm.attach(ManagementFactory.getRuntimeMXBean().getName());28            BufferedReader in = new BufferedReader(new InputStreamReader(is));29            String line = null;30            while ((line = in.readLine()) != null) {31                System.out.println(line);32            }33            in.close();34        } catch (Exception e) {35            e.printStackTrace();36        }37    }38}39import java.io.*;40import java.lang.management.*;41import sun.tools.attach.*;42public class 6 {43    public static void main(String[] args) {44        try {45            LinuxVirtualMachine vm = new LinuxVirtualMachine("1234");46            InputStream is = vm.attach(ManagementFactory.getRuntimeMXBean().getName());47            BufferedReader in = new BufferedReader(new InputStreamReader(is));48            String line = null;49            while ((line = in.readLine()) != null) {50                System.out.println(line);51            }52            in.close();53        } catch (Exception e) {54            e.printStackTrace();55        }56    }57}58import java.io.*;59import java.lang.management.*;60import sun.tools.attach.*;61public class 7 {62    public static void main(String[] args) {63        try {64            WindowsVirtualMachine vm = new WindowsVirtualMachine("1234");65            InputStream is = vm.attach(ManagementFactory.getRuntimeMXBean().getName());66            BufferedReader in = new BufferedReader(new InputStreamReader(is));

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Using AI Code Generation

1import sun.tools.attach.BsdVirtualMachine;2import java.lang.management.ManagementFactory;3import java.lang.management.RuntimeMXBean;4import java.lang.reflect.Field;5import java.lang.reflect.Method;6import java.lang.reflect.Modifier;7import java.util.*;8import java.io.*;9import java.nio.*;10import java.nio.channels.*;11import java.nio.file.*;12import java.nio.file.attribute.*;13import java.net.*;14import java.util.concurrent.*;15import java.util.concurrent.atomic.*;16import java.util.concurrent.locks.*;17import java.util.function.*;18import java.util.stream.*;19import java.util.regex.*;20import java.util.zip.*;21import java.security.*;22import java.security.cert.*;23import java.security.interfaces.*;24import java.security.spec.*;25import javax.crypto.*;26import javax.crypto.interfaces.*;27import javax.crypto.spec.*;28import javax.crypto.spec.PSource;29import javax.security.auth.*;30import javax.security.auth.callback.*;31import javax.security.auth.kerberos.*;32import javax.security.auth.login.*;33import javax.security.auth.spi.*;34import javax.security.auth.x500.*;35import javax.security.auth.x500.X500Principal;36import javax.security.cert.*;37import javax.security.sasl.*;38import javax.xml.bind.*;39import javax.xml.bind.annotation.*;40import javax.xml.bind.annotation.adapters.*;41import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;42import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapters;43import javax.xml.bind.attachment.*;44import javax.xml.bind.attachment.AttachmentMarshaller;45import javax.xml.bind.attachment.AttachmentUnmarshaller;46import javax.xml.namespace.*;47import javax.xml.parsers.*;48import javax.xml.parsers.DocumentBuilder;49import javax.xml.parsers.DocumentBuilderFactory;50import javax.xml.parsers.SAXParser;51import javax.xml.parsers.SAXParserFactory;52import javax.xml.stream.*;53import javax.xml.stream.events.*;54import javax.xml.stream.events.XMLEvent;55import javax.xml.stream.util.*;56import javax.xml.stream.util.XMLEventAllocator;57import javax.xml.transform.*;58import javax.xml.transform.dom.*;59import javax.xml.transform.dom.DOMResult;60import javax.xml.transform.dom.DOMSource;61import javax.xml.transform.sax.*;62import javax.xml.transform.sax.SAXResult;63import javax.xml.transform.sax.SAXSource;64import javax.xml.transform.sax.TemplatesHandler;65import javax.xml.transform.sax.TransformerHandler;66import javax.xml.transform.stax.*;67import javax.xml.transform.stax.StAXResult;68import javax.xml.transform.stax.StAXSource;69import javax.xml.transform.stream.*;70import javax.xml.transform.stream.StreamResult;71import javax.xml.transform.stream.StreamSource;72import javax.xml.validation.*;73import javax.xml.ws.*;74import javax.xml.ws.handler.*;

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Using AI Code Generation

1import sun.tools.attach.*;2import java.io.*;3import java.lang.*;4import java.lang.reflect.*;5import java.util.*;6import java.util.concurrent.*;7import java.util.concurrent.atomic.*;8import java.util.concurrent.locks.*;9import sun.misc.*;10import java.lang.reflect.*;11import java.util.*;12import java.util.concurrent.*;13import java.util.concurrent.atomic.*;14import java.util.concurrent.locks.*;15import sun.misc.*;16import java.lang.reflect.*;17import java.util.*;18import java.util.concurrent.*;19import java.util.concurrent.atomic.*;20import java.util.concurrent.locks.*;21import sun.misc.*;22import java.lang.reflect.*;23import java.util.*;24import java.util.concurrent.*;25import java.util.concurrent.atomic.*;26import java.util.concurrent.locks.*;27import sun.misc.*;28import java.lang.reflect.*;29import java.util.*;30import java.util.concurrent.*;31import java.util.concurrent.atomic.*;32import java.util.concurrent.locks.*;33import sun.misc.*;34import java.lang.reflect.*;35import java.util.*;36import java.util.concurrent.*;37import java.util.concurrent.atomic.*;38import java.util.concurrent.locks.*;39import sun.misc.*;40import java.lang.reflect.*;41import java.util.*;42import java.util.concurrent.*;43import java.util.concurrent.atomic.*;44import java.util.concurrent.locks.*;45import sun.misc.*;46import java.lang.reflect.*;47import java.util.*;48import java.util.concurrent.*;49import java.util.concurrent.atomic.*;50import java.util.concurrent.locks.*;51import sun.misc.*;52import java.lang.reflect.*;53import java.util.*;54import java.util.concurrent.*;55import java.util.concurrent.atomic.*;56import java.util.concurrent.locks.*;57import sun.misc.*;58import java.lang.reflect.*;59import java.util.*;60import java.util.concurrent.*;61import java.util.concurrent.atomic.*;62import java.util.concurrent.locks.*;63import sun.misc.*;64import java.lang.reflect.*;65import java.util.*;66import java.util.concurrent.*;67import java.util.concurrent.atomic.*;68import java.util.concurrent.locks.*;69import sun.misc.*;70import java.lang.reflect.*;71import java.util.*;72import java.util.concurrent.*;73import java.util.concurrent.atomic.*;74import java.util.concurrent.locks.*;75import sun.misc.*;76import java.lang.reflect.*;77import java.util.*;78import java.util.concurrent.*;79import java.util.concurrent.atomic.*;80import java.util.concurrent.locks.*;81import sun.misc.*;82import java.lang.reflect.*;83import java.util.*;84import java.util.concurrent.*;85import java.util.concurrent.atomic.*;86import java.util.concurrent.locks.*;87import sun.misc.*;88import java.lang.reflect.*;89import java.util.*;90import java.util.concurrent.*;91import java.util.concurrent.atomic.*;92import java.util.concurrent.locks.*;93import sun.misc.*;94import java.lang.reflect.*;95import java.util.*;96import java.util.concurrent.*;97import java.util.concurrent.atomic.*;

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Using AI Code Generation

1import sun.tools.attach.*;2import java.io.*;3import java.util.*;4import java.lang.reflect.*;5public class 4 {6public static void main(String[] args) throws Exception {7if (args.length != 1) {8System.out.println("Usage: java 4 <pid>");9System.exit(1);10}11int pid = Integer.parseInt(args[0]);12BsdVirtualMachine vm = (BsdVirtualMachine)VirtualMachine.attach(pid);13long addr = 0;14byte[] buf = new byte[4];15try {16vm.read(addr, buf);17} catch (IOException e) {18System.out.println("Can't read memory at address " + addr);19System.exit(1);20}21System.out.println("Memory at address " + addr + " is " + new String(buf));22vm.detach();23}24}25import sun.tools.attach.*;26import java.io.*;27import java.util.*;28import java.lang.reflect.*;29public class 5 {30public static void main(String[] args) throws Exception {31if (args.length != 1) {32System.out.println("Usage: java 5 <pid>");33System.exit(1);34}35int pid = Integer.parseInt(args[0]);36BsdVirtualMachine vm = (BsdVirtualMachine)VirtualMachine.attach(pid);37long addr = 0;38byte[] buf = new byte[4];39buf[0] = 'a';40buf[1] = 'b';41buf[2] = 'c';42buf[3] = 'd';43try {44vm.write(addr, buf);45} catch (IOException e) {46System.out.println("Can't write memory at address " + addr);47System.exit(1);48}49System.out.println("Memory at address " + addr + " was written");50vm.detach();51}52}53import sun.tools.attach.*;54import java.io.*;55import java.util.*;56import java.lang.reflect.*;57public class 6 {58public static void main(String[] args) throws Exception {59if (args.length != 1) {60System.out.println("Usage: java 6 <pid>");61System.exit(1);62}63int pid = Integer.parseInt(args[0]);

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Using AI Code Generation

1import java.io.*;2import java.lang.reflect.*;3import sun.tools.attach.*;4public class 4 {5    public static void main(String[] args) throws Exception {6        if (args.length != 2) {7            System.out.println("Usage: java 4 <pid> <address>");8            System.exit(1);9        }10        long address = Long.parseLong(args[1], 16);11        long pid = Long.parseLong(args[0]);12        BsdVirtualMachine vm = new BsdVirtualMachine(pid);13        byte[] buffer = new byte[8];14        int n = vm.read(address, buffer, 0, buffer.length);15        if (n != buffer.length) {16            System.out.println("Only " + n + " bytes read");17        }18        System.out.println("0x" + Long.toHexString(address) + " = " + toHex(buffer));19    }20    private static String toHex(byte[] buffer) {21        StringBuffer sb = new StringBuffer();22        for (int i = 0; i < buffer.length; i++) {23            sb.append(Integer.toHexString(buffer[i]));24        }25        return sb.toString();26    }27}28import java.io.*;29import java.lang.reflect.*;30import sun.tools.attach.*;31public class 5 {32    public static void main(String[] args) throws Exception {33        if (args.length != 2) {34            System.out.println("Usage: java 5 <pid> <address>");35            System.exit(1);36        }37        long address = Long.parseLong(args[1], 16);38        long pid = Long.parseLong(args[0]);39        BsdVirtualMachine vm = new BsdVirtualMachine(pid);40        byte[] buffer = new byte[8];41        int n = vm.read(address, buffer, 0, buffer.length);42        if (n != buffer.length) {43            System.out.println("Only " + n + " bytes read");44        }45        System.out.println("0x" + Long.toHexString(address) + " = " + toHex(buffer));46    }47    private static String toHex(byte[] buffer) {48        StringBuffer sb = new StringBuffer();49        for (int i = 0; i < buffer.length; i++) {50            sb.append(Integer.toHexString(buffer[i]));51        }

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Using AI Code Generation

1import sun.tools.attach.BsdVirtualMachine;2import java.io.IOException;3{4public static void main(String[] args) throws Exception5{6if (args.length < 1)7{8System.out.println("usage: java 4 <pid>");9return;10}11int pid = Integer.parseInt(args[0]);12BsdVirtualMachine vm = new BsdVirtualMachine(pid);13long address = 0x0000000100000000L;14long length = 0x1000;

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Using AI Code Generation

1import java.io.IOException;2import com.sun.tools.attach.*;3public class 4 {4public static void main(String[] args) {5try {6VirtualMachine vm = VirtualMachine.attach("1234");7long address = 0x12345678;8byte[] buffer = new byte[1024];9int bytesRead = vm.read(address, buffer, 0, buffer.length);10System.out.println("Number of bytes read: " + bytesRead);11} catch (IOException e) {12System.out.println("Exception: " + e.getMessage());13}14}15}16import java.io.IOException;17import com.sun.tools.attach.*;18public class 5 {19public static void main(String[] args) {20try {21VirtualMachine vm = VirtualMachine.attach("1234");22long address = 0x12345678;23byte[] buffer = new byte[1024];24vm.write(address, buffer, 0, buffer.length);25} catch (IOException e) {26System.out.println("Exception: " + e.getMessage());27}28}29}30import java.io.IOException;31import com.sun.tools.attach.*;32public class 6 {33public static void main(String[] args) {34try {35VirtualMachine vm = VirtualMachine.attach("1234");36vm.loadAgentLibrary("libagent.so", "arg1 arg2");37} catch (IOException e) {38System.out.println("Exception: " + e.getMessage());39}40}41}42import java.io.IOException;43import com.sun.tools.attach.*;44public class 7 {45public static void main(String[] args) {46try {47VirtualMachine vm = VirtualMachine.attach("1234");48vm.loadAgentPath("/home/agent.jar", "arg1 arg2");49} catch (IOException e) {50System.out.println("Exception: " + e.getMessage());51}52}53}54import java.io.IOException;55import com.sun

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Using AI Code Generation

1import sun.tools.attach.BsdVirtualMachine;2import java.io.IOException;3public class 4 {4  public static void main(String[] args) throws Exception {5    if (args.length != 3) {6      System.out.println("Usage: java -cp . 4 <PID> <address> <size>");7      System.exit(1);8    }9    int pid = Integer.parseInt(args[0]);10    long address = Long.parseLong(args[1]);11    long size = Long.parseLong(args[2]);12    BsdVirtualMachine vm = new BsdVirtualMachine(pid);13    byte[] data = vm.read(address, size);14    for (byte b : data) {15      System.out.print(String.format("%02X", b));16    }17    System.out.println();18  }19}

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Using AI Code Generation

1import com.sun.tools.attach.*;2import java.io.*;3import sun.tools.attach.*;4public class 4 {5    public static void main(String[] args) throws Exception {6        int pid = Integer.parseInt(args[0]);7        long address = Long.parseLong(args[1], 16);8        int size = Integer.parseInt(args[2], 16);9        BsdVirtualMachine vm = new BsdVirtualMachine(pid);10        byte[] data = new byte[size];11        int read = vm.read(address, data, 0, size);12        System.out.println("Read " + read + " bytes");13        for (int i = 0; i < size; i++) {14            System.out.printf("%02X ", data[i]);15            if ((i % 16) == 15)16                System.out.println();17        }18        vm.detach();19    }20}21import com.sun.tools.attach.*;22import java.io.*;23import sun.tools.attach.*;24public class 5 {25    public static void main(String[] args) throws Exception {26        int pid = Integer.parseInt(args[0]);27        long address = Long.parseLong(args[1], 16);28        int size = Integer.parseInt(args[2], 16);29        BsdVirtualMachine vm = new BsdVirtualMachine(pid);30        byte[] data = new byte[size];31        for (int i = 0; i < size; i++)32            data[i] = (byte)(i % 256);33        int written = vm.write(address, data, 0, size);34        System.out.println("Wrote " + written + " bytes");35        vm.detach();36    }37}

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