ibility Mode Exceptions</h2>
<p>Same as 64-bit mode exceptions.</p>
<h2>64-Bit Mode Exceptions</h2>
<table class="exception-table">
<tr>
<td>#GP(0)</td>
<td>
<p>If the return instruction pointer is non-canonical.</p>
<p>If the return instruction pointer is not within the return code segment limit.</p>
<p>If the stack segment selector is NULL going back to compatibility mode.</p>
<p>If the stack segment selector is NULL going back to CPL3 64-bit mode.</p>
<p>If a NULL stack segment selector RPL is not equal 