Fix moving boxes in Example slide (§2)

slides.tex

@@ -345,14 +345,7 @@ $1 = 84
 \newcommand{\tblhl}{\rowcolor{Tan}}
 
 \begin{frame}{Example}
-    \begin{table}
+    \newcommand{\firsttblrows}{
-        \ttfamily\large
-        \begin{tabularx}{0.9\linewidth}{
-                l
-                b
-                >{\columncolor{SkyBlue}}s
-                >{\columncolor{SkyBlue}}s
-            }
 \tblrowval{\hspace{-2ex}<{\bf foo}>:}{}{\textbf{CFA}}{\textbf{ra}}
 \rowonly<3>{\tblhl{}}  \tblrowval{push}{\%r15}{rsp+8}{c-8}
 \rowonly<4>{\tblhl{}} \tblrowval{push}{\%r14}{rsp+16}{c-8}
@@ -363,28 +356,54 @@ $1 = 84
 \tblrowval{push}{\%rbx}{rsp+48}{c-8}
 \tblrowval{sub}{\$0x68,\%rsp}{rsp+56}{c-8}
 \rowonly<9>{\tblhl{}} \tblrowval{cmp}{\$0x1,\%edi}{rsp+160}{c-8}%
-\only<-8>{%
+}
+
+    \only<-8>{
+        \begin{table}
+            \ttfamily\large
+            \begin{tabularx}{0.9\linewidth}{
+                    l
+                    b
+                    >{\columncolor{SkyBlue}}s
+                    >{\columncolor{SkyBlue}}s
+                }
+\firsttblrows{}%
 \tblrowval{add}{\$0x68,\%rsp}{rsp+160}{c-8}
 \tblrowval{pop}{\%rbx}{rsp+56}{c-8}
-\tblrowval{pop}{\%rbp}{rsp+48}{c-8}}
+\tblrowval{pop}{\%rbp}{rsp+48}{c-8}
+            \end{tabularx}
+        \end{table}
+        \blknote{
+            \centering
+        \begin{overlayarea}{0.9\textwidth}{4.8ex}
+            \only<3>{Upon function call, \alert{ra = *(\reg{rsp})} (ABI)}
+            \only<4>{\texttt{push} decreases \reg{rsp} by 8: %
+                \alert{ra = *(\reg{rsp} + 8)}}
+            \only<5>{and again: %
+                \alert{ra = *(\reg{rsp} + 16)}}
+            \only<6>{This \texttt{mov} leaves \reg{rsp} untouched: %
+                \alert{ra = *(\reg{rsp} + 16)}}
+            \only<7>{The unwinding table can actually be seen as\\
+                    an \alert{abstract interpretation} of the code\ldots}
+            \only<8>{\ldots and thus, for a given run, be
+                \alert{re-computed for verification}}
+        \end{overlayarea}
+    }
+    }
+    \only<9->{
+        \begin{table}
+            \ttfamily\large
+            \begin{tabularx}{0.9\linewidth}{
+                    l
+                    b
+                    >{\columncolor{SkyBlue}}s
+                    >{\columncolor{SkyBlue}}s
+                }
+\firsttblrows{}%
             \end{tabularx}
         \end{table}
 
-\only<-8> {
+        \vspace{-0.8em}
-    \only<3>{\blknote{Upon function call, \alert{ra = *(\reg{rsp})} (ABI)}}
-    \only<4>{\blknote{\texttt{push} decreases \reg{rsp} by 8: %
-        \alert{ra = *(\reg{rsp} + 8)}}}
-    \only<5>{\blknote{and again: %
-        \alert{ra = *(\reg{rsp} + 16)}}}
-    \only<6>{\blknote{This \texttt{mov} leaves \reg{rsp} untouched: %
-        \alert{ra = *(\reg{rsp} + 16)}}}
-    \only<7>{\blknote{The unwinding table can actually be seen as\\
-            an \alert{abstract interpretation} of the code\ldots}}
-    \only<8>{\blknote{\ldots and thus, for a given run, be
-        \alert{re-computed for verification}}}
-    }
-\only<9-> {
-    \vspace{-2em}
         \only<9>{\blklnote{If, within an execution,
                 \begin{itemize}
                     \item ra = \texttt{*(0xFFFF1098)}