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The real DWARF: use .PLT expression

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Théophile Bastian 2019-10-14 17:59:08 +02:00
parent 9d6d60737b
commit 79f6500721
1 changed files with 6 additions and 14 deletions
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slides.tex
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@ -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}} \\