1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3# Linux kernel symbol namespace import generator 4# 5# This script requires a minimum spatch version. 6SPATCH_REQ_VERSION="1.0.4" 7 8DIR="$(dirname $(readlink -f $0))/.." 9SPATCH="`which ${SPATCH:=spatch}`" 10if [ ! -x "$SPATCH" ]; then 11 echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/' 12 exit 1 13fi 14 15SPATCH_REQ_VERSION_NUM=$(echo $SPATCH_REQ_VERSION | ${DIR}/scripts/ld-version.sh) 16SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}') 17SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh) 18 19if [ "$SPATCH_VERSION_NUM" -lt "$SPATCH_REQ_VERSION_NUM" ] ; then 20 echo "spatch needs to be version $SPATCH_REQ_VERSION or higher" 21 exit 1 22fi 23 24generate_deps_for_ns() { 25 $SPATCH --very-quiet --in-place --sp-file \ 26 $srctree/scripts/coccinelle/misc/add_namespace.cocci -D ns=$1 $2 27} 28 29generate_deps() { 30 local mod_name=`basename $@ .ko` 31 local mod_file=`echo $@ | sed -e 's/\.ko/\.mod/'` 32 local ns_deps_file=`echo $@ | sed -e 's/\.ko/\.ns_deps/'` 33 if [ ! -f "$ns_deps_file" ]; then return; fi 34 local mod_source_files=`cat $mod_file | sed -n 1p \ 35 | sed -e 's/\.o/\.c/g' \ 36 | sed "s/[^ ]* */${srctree}\/&/g"` 37 for ns in `cat $ns_deps_file`; do 38 echo "Adding namespace $ns to module $mod_name (if needed)." 39 generate_deps_for_ns $ns $mod_source_files 40 # sort the imports 41 for source_file in $mod_source_files; do 42 sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp 43 offset=$(wc -l ${source_file}.tmp | awk '{print $1;}') 44 cat $source_file | grep MODULE_IMPORT_NS | sort -u >> ${source_file}.tmp 45 tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp 46 if ! diff -q ${source_file} ${source_file}.tmp; then 47 mv ${source_file}.tmp ${source_file} 48 else 49 rm ${source_file}.tmp 50 fi 51 done 52 done 53} 54 55for f in `cat $objtree/modules.order`; do 56 generate_deps $f 57done 58 59