Add main Ghidra decompilation driver

scripting/ghidra-extraction-scripts/clang-parse-all.sh

+#!/bin/bash
+
+if [ $# -eq 0 ]; then
+  echo "No arguments supplied"
+  exit 1
+fi
+
+arch=$1
+basepath=$(pwd)
+workdir=$basepath/workdir-$arch
+ghidra_sources=$workdir/ghidra-sources
+ghidra_headers=$workdir/ghidra-headers
+clang_dir=$basepath/scripting/ghidra-extraction-scripts/clang-parser
+metrics_dir=$workdir/ghidra-cyclomatic
+
+if [ ! -d $metrics_dir ]; then
+  mkdir $metrics_dir;
+fi
+
+cd $ghidra_sources
+
+for filename in *
+do
+  filename=${filename%".c"}
+  echo "Parsing with clang input: $filename"
+
+  # Copy the source and the header file in the parsing directory.
+  cp $filename.c $clang_dir/
+  cp $ghidra_headers/$filename.h $clang_dir/
+  cd $clang_dir
+
+  # Remove newlines inhside commands, this will make easier our fixed-point purgin.
+  clang-format -style='{ColumnLimit: 5000}' -i $filename.c
+
+  # Invoke the normalizer pass for the Ghidra decompiled output.
+  ./ghidra-normalizer-wrapper.sh $filename.c
+
+  # Parse the source with clang
+  clang-7 -std=c11 -S -emit-llvm -w $filename.c.normalized.c
+
+  # Invoke the analys passes which collect the metrics we are interested in.
+  revng opt -cyclomatic -cyclomatic-output=$metrics_dir/$filename.c.csv -S -o /dev/null $filename.c.normalized.ll
+
+  # Go back to the source directory after cleaning the workdir
+  rm $filename.c $filename.h $filename.c.normalized.c $filename.c.normalized.ll
+
+  # Return to the directory with all the decompiled sources.
+  cd $ghidra_sources
+done;