c-shell2.html

vxworks相关论文

<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td colspan="20">
<hr class="tablerule">
</td>
</tr>
<tr valign="middle">
<th rowspan="1" colspan="1">
<div class="CellHeading"><b><a name="90772"> </a><font face="Helvetica, sans-serif" size="-1" class="sans">Call</font></b></div>

</th>
<td width="10">&nbsp;</td>

<th rowspan="1" colspan="1">
<div class="CellHeading"><b><a name="90774"> </a><font face="Helvetica, sans-serif" size="-1" class="sans">Description</font></b></div>

</th>
<td width="10">&nbsp;</td>


</tr>
<tr>
<td colspan="20">
<hr class="tablerule2">
</td>
</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90778"> </a><b class="routine"><i class="routine">ld</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90780"> </a>Load an object module into target memory and link it dynamically into the run-time.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90784"> </a><b class="routine"><i class="routine">unld</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90786"> </a>Remove a dynamically-linked object module from target memory, and free the storage it occupied.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90790"> </a><b class="routine"><i class="routine">m</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90792"> </a>Modify memory in<i class="textVariable"> width</i> (byte, short, or long) starting at <i class="textVariable">adr</i>. The <b class="routine"><i class="routine">m</i></b><b>(&nbsp;)</b> command displays successive words in memory on the terminal; you can change each word by typing a new hex value, leave the word unchanged and continue by typing <kbd>ENTER</kbd>, or return to the shell by typing a dot (<b>.</b>).</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90796"> </a><b class="routine"><i class="routine">mRegs</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90798"> </a>Modify register values for a particular task.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90802"> </a><b class="routine"><i class="routine">b</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90804"> </a>Set or display breakpoints, in a specified task or in all tasks.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92288"> </a><b class="routine"><i class="routine">bh</i></b><b>(&nbsp;)</b> </div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92290"> </a>Set a hardware breakpoint. </div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90808"> </a><b class="routine"><i class="routine">s</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90810"> </a>Step a program to the next instruction.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90814"> </a><b class="routine"><i class="routine">so</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90816"> </a>Single-step, but step over a subroutine. </div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92302"> </a><b class="routine"><i class="routine">c</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92304"> </a>Continue from a breakpoint.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92296"> </a><b class="routine"><i class="routine">cret</i></b><b>(&nbsp;)</b> </div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92298"> </a>Continue until the current subroutine returns. </div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90820"> </a><b class="routine"><i class="routine">bdall</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90822"> </a>Delete all breakpoints.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90826"> </a><b class="routine"><i class="routine">bd</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90828"> </a>Delete a breakpoint.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90832"> </a><b class="routine"><i class="routine">reboot</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90834"> </a>Return target control to the target boot ROMs, then reset the target server and reattach the shell.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90838"> </a><b class="routine"><i class="routine">bootChange</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90842"> </a>Modify the saved values of boot parameters (see <a href="c-start5.html#84962"><i class="title">2.5.4&nbsp;Description of Boot Parameters</i></a>).</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90847"> </a><b class="routine"><i class="routine">sysSuspend</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90849"> </a>If supported by the target-agent configuration, enter system mode. See <a href="c-shell2.html#91110"><i class="title">6.2.6&nbsp;Using the Shell for System Mode Debugging</i></a>.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90856"> </a><b class="routine"><i class="routine">sysResume</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90858"> </a>If supported by the target agent (and if system mode is in effect), return to task mode from system mode.</div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92396"> </a><b class="routine"><i class="routine">agentModeShow</i></b><b>(&nbsp;)</b> </div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92398"> </a>Show the agent mode (<i class="term">system</i> or <i class="term">task</i>). </div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92392"> </a><b class="routine"><i class="routine">sysStatusShow</i></b><b>(&nbsp;)</b> </div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="92394"> </a>Show the system context status (<i class="i">suspended</i> or <i class="i">running). </i></div>

</td>
<td width="10">&nbsp;</td>


</tr>
<tr valign="top">
<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90864"> </a><b class="routine"><i class="routine">quit</i></b><b>(&nbsp;)</b> or <b class="routine"><i class="routine">exit</i></b><b>(&nbsp;)</b></div>

</td>
<td width="10">&nbsp;</td>

<td colspan=1 rowspan=1>
<div class="CellBody"><a name="90867"> </a>Dismiss the shell.</div>

</td>
<td width="10">&nbsp;</td>


</tr>

<tr>
<td colspan="20">
<hr class="tablerule">
</td>
</tr>
<tr valign="middle">
<td colspan="20">

</td>
</tr>
</table>
</p>
</p>
<dd><p class="Body"><a name="90868"> </a>One of the most useful shell features for interactive development is the dynamic linker. With the shell command <b class="routine"><i class="routine">ld</i></b><b>(&nbsp;)</b>, you can download and link new portions of the application. Because