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@@ -21035,7 +21035,13 @@ Exiting @ tick 18446744073709551615 because simulate() limit reached</pre>
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 <h4 id="gem5-debug-build"><a class="anchor" href="#gem5-debug-build"></a><a class="link" href="#gem5-debug-build">19.15.1. gem5 debug build</a></h4>
 <div class="paragraph">
-<p>Explained at: <a href="#debug-the-emulator">Section 18.7, &#8220;Debug the emulator&#8221;</a>.</p>
+<p>How to use it in LKMC: <a href="#debug-the-emulator">Section 18.7, &#8220;Debug the emulator&#8221;</a>.</p>
+</div>
+<div class="paragraph">
+<p>If you build gem5 with <code>scons build/ARM/gem5.debug</code>, then that is a <code>.debug</code> build.</p>
+</div>
+<div class="paragraph">
+<p>It relates to the more common <code>.opt</code> build just as explained at <a href="#debug-the-emulator">Section 18.7, &#8220;Debug the emulator&#8221;</a>: both <code>.opt</code> and <code>.debug</code> have <code>-g</code>, but <code>.opt</code> uses <code>-O2</code> while <code>.debug</code> uses <code>-O0</code>.</p>
 </div>
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