#!/bin/sh# SPDX-License-Identifier: GPL-2.0# Linux kernel symbol namespace import generator## This script requires a minimum spatch version.SPATCH_REQ_VERSION="1.0.4" DIR="$(dirname $(readlink -f $0))/.."SPATCH="`which ${SPATCH:=spatch}`"if [ ! -x "$SPATCH" ]; then	echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'	exit 1fi SPATCH_REQ_VERSION_NUM=$(echo $SPATCH_REQ_VERSION | ${DIR}/scripts/ld-version.sh)SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh) if [ "$SPATCH_VERSION_NUM" -lt "$SPATCH_REQ_VERSION_NUM" ] ; then	echo "spatch needs to be version $SPATCH_REQ_VERSION or higher"	exit 1fi if [ "$KBUILD_EXTMOD" ]; then	src_prefix=else	src_prefix=$srctree/fi generate_deps_for_ns() {	$SPATCH --very-quiet --in-place --sp-file \		$srctree/scripts/coccinelle/misc/add_namespace.cocci -D ns=$1 $2} generate_deps() {	local mod=${1%.ko:}	shift	local namespaces="$*"	local mod_source_files="`cat $mod.mod | sed -n 1p                      \					      | sed -e 's/\.o/\.c/g'           \					      | sed "s|[^ ]* *|${src_prefix}&|g"`"	for ns in $namespaces; do		echo "Adding namespace $ns to module $mod.ko."		generate_deps_for_ns $ns "$mod_source_files"		# sort the imports		for source_file in $mod_source_files; do			sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp			offset=$(wc -l ${source_file}.tmp | awk '{print $1;}')			cat $source_file | grep MODULE_IMPORT_NS | LANG=C sort -u >> ${source_file}.tmp			tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp			if ! diff -q ${source_file} ${source_file}.tmp; then				mv ${source_file}.tmp ${source_file}			else				rm ${source_file}.tmp			fi		done	done} while read linedo	generate_deps $linedone < $MODULES_NSDEPS