linux-yocto/scripts/nsdeps
Masahiro Yamada 49c3ca34f7 scripts/nsdeps: adjust to the format change of *.mod files
Commit 22f26f2177 ("kbuild: get rid of duplication in *.mod files")
changed the format of *.mod files to put one object per line, but missed
to adjust scripts/nsdeps.

Fixes: 22f26f2177 ("kbuild: get rid of duplication in *.mod files")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-06-08 20:14:13 +09:00

1.6 KiB

#!/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

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 nsdeps -D ns=$1 $2 }

generate_deps() { local mod=${1%.ko:} shift local namespaces="$" local mod_source_files=$(sed "s|^(.).o$|${src_prefix}\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