2  * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved.

     2  * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.

    25  *  Note 1: JITDebug.java is no longer a standalone regression test,

    25  * Note: What seems to be an excessive use of System.xxx.flush();

    26  *  due to chronic test failures on win32 platforms.  When testing,

    26  * is actually necessary to combat lost output on win32 systems.

    27  *  use the wrapper script (JITDebug.sh) instead, which will in turn

    28  *  invoke this program.

    30  *  The problems are related to inconsistent use of "SystemRoot"

    28  * @test

    31  *  versus "SYSTEMROOT" environment variables in different win32 O/S

    29  * @bug 4291701 4376819 4422312 4522770

    32  *  installations.  Refer to the Comments and Evaluation on bugs

    30  * @summary Test JIT debugging -

    33  *  4522770 and 4461673 for more information.

    31  * assure that launching on uncaught exception works

    35  *  Undefined SystemRoot in a win32 environment causes the O/S socket()

    33  * @library /test/lib

    36  *  layer to fail with WSAEPROVIDERFAILEDINIT.  The workaround used by

    37  *  JITDebug.sh and JITDebug.java is to select the dt_shmem transport

    38  *  on any win32 platform where SystemRoot is not found.

    40  *  Note 2: What seems to be an excessive use of System.xxx.flush();

    35  * @author Robert Field

    41  *  is actually necessary to combat lost output on win32 systems.

    36  * @run main/othervm JITDebug

    42  *

    43  *  @t e s t

    44  *  @bug 4291701 4376819 4422312 4522770

    45  *  @summary Test JIT debugging -

    46  *  assure that launching on uncaught exception works

    47  *

    48  *  @author Robert Field

    49  *  @run driver JITDebug

   100                 trivialDebugger(args[2]);

    90                 // launched by using "-agentlib:" "launch" sub-option:

    91                 // The following strings are appended to the string given in this argument (space-delimited).

    92                 // They can aid the launched debugger in establishing a connection with this VM.

    93                 // The resulting string is executed.

    94                 // - The value of the transport sub-option.

    95                 // - The value of the address sub-option (or the generated address if one is not given)

    96                 trivialDebugger(args[1], args[2]);

   111         class DisplayOutput extends Thread {

   107         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true);

   112             InputStream in;

   108         List largs = pb.command();

   113 

   109         largs.add("-classpath");

   114             DisplayOutput(InputStream in) {

   110         largs.add(Utils.TEST_CLASSES);

   115                 this.in = in;

   111         String javaExe = JDKToolFinder.getJDKTool("java");

   116             }

   112         largs.add("-agentlib:jdwp=transport=dt_socket,server=y,onuncaught=y," +

   117 

   113                   "launch=" + javaExe + " " + this.getClass().getName() + " DEBUGGER ");

   118             public void run() {

   114         largs.add(this.getClass().getName());

   119                 try {

   120                     transfer();

   121                 } catch (IOException exc) {

   122                     new RuntimeException("Unexpected exception: " + exc);

   123                 }

   124             }

   125 

   126             void transfer() throws IOException {

   127                 int ch;

   128                 while ((ch = in.read()) != -1) {

   129                     System.out.print((char)ch);

   130                 }

   131                 in.close();

   132             }

   133         }

   134         String transportMethod = System.getProperty("TRANSPORT_METHOD");

   135         if (transportMethod == null) {

   136             transportMethod = "dt_socket"; //Default to socket transport.

   137         }

   138         String javaExe = System.getProperty("java.home") +

   139                          File.separator + "bin" + File.separator +"java";

   140         List largs = new ArrayList();

   141         largs.add(javaExe);

   142         largs.add("-agentlib:jdwp=transport=" + transportMethod + ",server=y,onuncaught=y," +

   143                   "launch=" +

   144                   javaExe + " -DTRANSPORT_METHOD=" + transportMethod + " " +

   145                   this.getClass().getName() + " DEBUGGER ");

   146         largs.add("JITDebug");

   152             Process proc = rt.exec(VMConnection.insertDebuggeeVMOptions(sargs));

   117             ProcessTools.executeCommand(pb)

   153             DisplayOutput inThread = new DisplayOutput(proc.getInputStream());

   118                     .shouldHaveExitValue(0);

   154             DisplayOutput erThread = new DisplayOutput(proc.getErrorStream());

   119         } catch (Throwable exc) {

   155             inThread.start();  // transfer all in&err

   156             erThread.start();

   157             inThread.join();  // make sure they are done

   158             erThread.join();

   159             int exitValue = proc.waitFor();

   160             if (exitValue != 0) {

   161                 throw new RuntimeException("Failure exit status: " +

   162                                            exitValue);

   163             }

   164         } catch (Exception exc) {

   183     void trivialDebugger(String transportAddress) {

   133     void trivialDebugger(String transportMethod, String transportAddress) {

   212         Map connArgs = conn.defaultArguments();

   161         Map<String, Connector.Argument> connArgs = conn.defaultArguments();

   237             Thread.currentThread().sleep(10 * 60 * 1000);

   186             Thread.sleep(10 * 60 * 1000);