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| <section id="debugpoint-debug-utility"> |
| <h1><code class="docutils literal notranslate"><span class="pre">debugpoint</span></code> Debug Utility<a class="headerlink" href="#debugpoint-debug-utility" title="Permalink to this heading"></a></h1> |
| <p><code class="docutils literal notranslate"><span class="pre">CONFIG_SYSTEM_DEBUGPOINT=y</span></code></p> |
| <p>The <code class="docutils literal notranslate"><span class="pre">debugpoint</span></code> utility is a tool for testing and managing debug points (breakpoints and watchpoints) in the system. It allows users to set, remove, and test various types of debug points.</p> |
| <p>Usage:</p> |
| <div class="highlight-none notranslate"><div class="highlight"><pre><span></span>debugpoint [options] |
| </pre></div> |
| </div> |
| <p>Options:</p> |
| <div class="highlight-none notranslate"><div class="highlight"><pre><span></span>-r addr Set a read watchpoint at address |
| -w addr Set a write watchpoint at address |
| -b addr Set a breakpoint at address |
| -x addr Set a read/write watchpoint at address |
| -c Cancel the watchpoint or breakpoint (must be used with -r, -w, -b, or -x) |
| -l len Set the watch length (must be used with -r, -w, -b, or -x) |
| </pre></div> |
| </div> |
| <p>Examples:</p> |
| <div class="highlight-none notranslate"><div class="highlight"><pre><span></span># Set a read watchpoint at address 0x1000 |
| debugpoint -r 0x1000 |
| |
| # Set a write watchpoint at address 0x2000 |
| debugpoint -w 0x2000 |
| |
| # Set a breakpoint at address 0x3000 |
| debugpoint -b 0x3000 |
| |
| # Set a read/write watchpoint at address 0x4000 |
| debugpoint -x 0x4000 |
| |
| # Cancel the read watchpoint at address 0x1000 |
| debugpoint -r 0x1000 -c |
| |
| # Cancel the write watchpoint at address 0x2000 |
| debugpoint -w 0x2000 -c |
| |
| # Cancel the breakpoint at address 0x3000 |
| debugpoint -b 0x3000 -c |
| |
| # Cancel the read/write watchpoint at address 0x4000 |
| debugpoint -x 0x4000 -c |
| |
| # Set the watch length to 8 bytes for a read watchpoint at address 0x1000 |
| debugpoint -r 0x1000 -l 8 |
| |
| # Set the watch length to 8 bytes for a write watchpoint at address 0x2000 |
| debugpoint -w 0x2000 -l 8 |
| |
| # Set the watch length to 8 bytes for a breakpoint at address 0x3000 |
| debugpoint -b 0x3000 -l 8 |
| </pre></div> |
| </div> |
| <p>The <code class="docutils literal notranslate"><span class="pre">debug</span></code> utility also includes automated tests for breakpoints and watchpoints. When run without any options, it will execute these tests to verify the functionality of the debug points.</p> |
| </section> |
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