| #!/bin/bash |
| # 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 1 |
| fi |
| |
| 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 1 |
| 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_name=`basename $@ .ko` |
| local mod_file=`echo $@ | sed -e 's/\.ko/\.mod/'` |
| local ns_deps_file=`echo $@ | sed -e 's/\.ko/\.ns_deps/'` |
| if [ ! -f "$ns_deps_file" ]; then return; fi |
| local mod_source_files=`cat $mod_file | sed -n 1p \ |
| | sed -e 's/\.o/\.c/g' \ |
| | sed "s/[^ ]* */${srctree}\/&/g"` |
| for ns in `cat $ns_deps_file`; do |
| echo "Adding namespace $ns to module $mod_name (if needed)." |
| 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 | 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 |
| } |
| |
| for f in `cat $objtree/modules.order`; do |
| generate_deps $f |
| done |
| |