From 79f650072153fda6a012c0c6f923922e4e583417 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9ophile=20Bastian?= <contact@tobast.fr>
Date: Mon, 14 Oct 2019 17:59:08 +0200
Subject: [PATCH] The real DWARF: use .PLT expression

---
 slides.tex | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/slides.tex b/slides.tex
index f24dd74..19dd586 100644
--- a/slides.tex
+++ b/slides.tex
@@ -223,31 +223,23 @@ Segmentation fault.
 
 \begin{frame}[t, fragile]{The real DWARF}
     \begin{lstlisting}[numbers=none, language=]
-00009b30 48 009b34 FDE cie=0000 pc=0084950..0084b37
-  DW_CFA_advance_loc: 2 to 0000000000084952
+30 24 34 FDE pc=004020..004040
   DW_CFA_def_cfa_offset: 16
-  DW_CFA_offset: r15 (r15) at cfa-16
-  DW_CFA_advance_loc: 2 to 0000000000084954
+  DW_CFA_advance_loc: 6 to 0000000000004026
   DW_CFA_def_cfa_offset: 24
-  DW_CFA_offset: r14 (r14) at cfa-24
-  DW_CFA_advance_loc: 2 to 0000000000084956
-  DW_CFA_def_cfa_offset: 32
-  DW_CFA_offset: r13 (r13) at cfa-32
-  DW_CFA_advance_loc: 2 to 0000000000084958
-  DW_CFA_def_cfa_offset: 40
-  DW_CFA_offset: r12 (r12) at cfa-40
-  DW_CFA_advance_loc: 1 to 0000000000084959
+  DW_CFA_advance_loc: 10 to 0000000000004030
+  DW_CFA_def_cfa_expression (DW_OP_breg7 (rsp): 8; DW_OP_breg16 (rip): 0; DW_OP_lit15; DW_OP_and; DW_OP_lit11; DW_OP_ge; DW_OP_lit3; DW_OP_shl; DW_OP_plus)
   [...]
     \end{lstlisting}
 
     \begin{itemize}
         \item[\textbf{$\longrightarrow$}] \textbf{\alert{constructed} on-demand
-            by a \alert{Turing-complete bytecode}!}
+            by a \alert{Turing-complete stack machine}!}
     \end{itemize}
 
     \pause{}
 
-    \vspace{-6.5cm}
+    \vspace{-4cm}
     \begin{center}
     \bf \fontsize{8cm}{1cm}
         \colorbox{white}{\alert{Complex}} \\