#!/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 1
fi
SPATCH_VERSION=$($SPATCH --version |
head -1 | awk
'{print $3}')
if ! { echo
"$SPATCH_REQ_VERSION"; echo
"$SPATCH_VERSION"; } | sort -CV ; 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 nsdeps -D ns=\
"$1\" $2
}
generate_deps() {
local mod=${1%.ko:}
shift
local namespaces=
"$*"
local mod_source_files=$(sed
"s|^\(.*\)\.o$|${srcroot}/\1.c|" $mod.mod)
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 | LC_ALL=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 line
do
generate_deps $line
done < modules.nsdeps
