mingw/info/gdb/ST2000.html

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  19 <h4 class="subsection">Tandem ST2000</h4>
  20
  21    GDB may be used with a Tandem ST2000 phone switch, running Tandem's
  22 STDBUG protocol.
  23
  24    <p>To connect your ST2000 to the host system, see the manufacturer's
  25 manual.  Once the ST2000 is physically attached, you can run:
  26
  27 <pre class="example">     target st2000 <var>dev</var> <var>speed</var>
  28      </pre>
  29
  30 <p>to establish it as your debugging environment.  <var>dev</var> is normally
  31 the name of a serial device, such as <code>/dev/ttya</code>, connected to the
  32 ST2000 via a serial line.  You can instead specify <var>dev</var> as a TCP
  33 connection (for example, to a serial line attached via a terminal
  34 concentrator) using the syntax <code></code><var>hostname</var><code>:</code><var>portnumber</var><code></code>.
  35
  36    <p>The <code>load</code> and <code>attach</code> commands are <em>not</em> defined for
  37 this target; you must load your program into the ST2000 as you normally
  38 would for standalone operation.  GDB reads debugging information
  39 (such as symbols) from a separate, debugging version of the program
  40 available on your host computer.
  41
  42    <p>These auxiliary GDB commands are available to help you with the ST2000
  43 environment:
  44
  45      <dl>
  46 <dt><code>st2000 </code><var>command</var><code></code>
  47      <dd>Send a <var>command</var> to the STDBUG monitor.  See the manufacturer's
  48 manual for available commands.
  49
  50      <br><dt><code>connect</code>
  51      <dd>Connect the controlling terminal to the STDBUG command monitor.  When
  52 you are done interacting with STDBUG, typing either of two character
  53 sequences gets you back to the GDB command prompt:
  54 <kbd>&lt;RET&gt;~.</kbd> (Return, followed by tilde and period) or
  55 <kbd>&lt;RET&gt;~&lt;C-d&gt;</kbd> (Return, followed by tilde and control-D).
  56 </dl>
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