diff options
Diffstat (limited to 'scripts/nsdeps')
-rw-r--r-- | scripts/nsdeps | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/scripts/nsdeps b/scripts/nsdeps new file mode 100644 index 000000000000..ac2b6031dd13 --- /dev/null +++ b/scripts/nsdeps @@ -0,0 +1,58 @@ +#!/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 + |