<p>it's apparently fully documented at <a href="https://sourceware.org/gdb/current/onlinedocs/gdb.html/Agent-Expressions.html" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="ellipsis">sourceware.org/gdb/current/onl</span><span class="invisible">inedocs/gdb.html/Agent-Expressions.html</span></a></p>
