1#!/bin/sh 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_VERSION=$($SPATCH --version | head -1 | awk '{print $3}') 16 17if ! { echo "$SPATCH_REQ_VERSION"; echo "$SPATCH_VERSION"; } | sort -CV ; then 18 echo "spatch needs to be version $SPATCH_REQ_VERSION or higher" 19 exit 1 20fi 21 22generate_deps_for_ns() { 23 $SPATCH --very-quiet --in-place --sp-file \ 24 $srctree/scripts/coccinelle/misc/add_namespace.cocci -D nsdeps -D ns=$1 $2 25} 26 27generate_deps() { 28 local mod=${1%.ko:} 29 shift 30 local namespaces="$*" 31 local mod_source_files=$(sed "s|^\(.*\)\.o$|${srcroot}/\1.c|" $mod.mod) 32 33 for ns in $namespaces; do 34 echo "Adding namespace $ns to module $mod.ko." 35 generate_deps_for_ns $ns "$mod_source_files" 36 # sort the imports 37 for source_file in $mod_source_files; do 38 sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp 39 offset=$(wc -l ${source_file}.tmp | awk '{print $1;}') 40 cat $source_file | grep MODULE_IMPORT_NS | LC_ALL=C sort -u >> ${source_file}.tmp 41 tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp 42 if ! diff -q ${source_file} ${source_file}.tmp; then 43 mv ${source_file}.tmp ${source_file} 44 else 45 rm ${source_file}.tmp 46 fi 47 done 48 done 49} 50 51while read line 52do 53 generate_deps $line 54done < modules.nsdeps 55