[eacsl] User manual: updates the default Frama-C machdep.

src/plugins/e-acsl/doc/userman/provides.tex

@@ -101,19 +101,19 @@ Using \shortopt{ocode} \framac~\cite{userman} option, the code generated by the
 \framac uses architecture-dependent configuration which
 affects sizes of integer types, endianness and potentially other features.  It
 can be seen that the code generated from \texttt{first.i} (shown in the
-previous section) defines \C type \texttt{size\_t} as \texttt{unsigned int}, whereas
-in 64-bit architectures \texttt{size\_t} is typically defined as
-\texttt{unsigned long}.  Architecture used during \framac translation is
+previous section) defines \C type \texttt{size\_t} as \texttt{unsigned long}, whereas
+in 32-bit architectures \texttt{size\_t} is typically defined as
+\texttt{unsigned int}. The architecture used during \framac translation is
 controlled through \framac \shortopt{machdep} option that specifies the
 architecture type to use during translation.  The default value of
-\shortopt{machdep} is \texttt{x86\_32} (a generic 32-bit x86 architecture).
+\shortopt{machdep} is \texttt{x86\_64} (a generic 64-bit x86 architecture).
 Note that since code generated by \eacsl is aimed at being compiled it is
 important that the architecture used by \framac matches the architecture
-corresponding to your compiler and your system. For instance, in a 64-bit
+corresponding to your compiler and your system. For instance, in a 32-bit
 machine you should also pass
-\shortopt{machdep} \texttt{x86\_64} option as follows:
+\shortopt{machdep} \texttt{x86\_32} option as follows:
 \begin{shell}
-\$ frama-c -machdep x86_64 -e-acsl first.i -then-last \
+\$ frama-c -machdep x86_32 -e-acsl first.i -then-last \
   -print -ocode monitored_first.c
 \end{shell}
 
@@ -286,7 +286,7 @@ compiled on the very same architecture (or cross-compiled for it) for the
 compiler being able to generate a correct binary.
 
 \framac makes assumptions about the machine architecture when analyzing source
-code.  By default, it assumes an X86 32-bit platform, but it can be customized
+code.  By default, it assumes an X86 64-bit platform, but it can be customized
 through \shortopt{machdep} switch~\cite{userman}. This option is of primary
 importance when using the \eacsl plug-in: it must be set to the value
 corresponding to the machine architecture which the generated code will be