1#!/bin/sh
 2# SPDX-License-Identifier: GPL-2.0
 3# Linux kernel symbol namespace import generator
 4#
 5# This script requires a minimum spatch version.
 6SPATCH_REQ_VERSION="1.0.4"
 7
 8DIR="$(dirname $(readlink -f $0))/.."
 9SPATCH="`which ${SPATCH:=spatch}`"
10if [ ! -x "$SPATCH" ]; then
11	echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
12	exit 1
13fi
14
15SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
16
17if ! { echo "$SPATCH_REQ_VERSION"; echo "$SPATCH_VERSION"; } | sort -CV ; then
18	echo "spatch needs to be version $SPATCH_REQ_VERSION or higher"
19	exit 1
20fi
21
22if [ "$KBUILD_EXTMOD" ]; then
23	src_prefix=
24else
25	src_prefix=$srctree/
26fi
27
28generate_deps_for_ns() {
29	$SPATCH --very-quiet --in-place --sp-file \
30		$srctree/scripts/coccinelle/misc/add_namespace.cocci -D nsdeps -D ns=$1 $2
31}
32
33generate_deps() {
34	local mod=${1%.ko:}
35	shift
36	local namespaces="$*"
37	local mod_source_files="`cat $mod.mod | sed -n 1p                      \
38					      | sed -e 's/\.o/\.c/g'           \
39					      | sed "s|[^ ]* *|${src_prefix}&|g"`"
40	for ns in $namespaces; do
41		echo "Adding namespace $ns to module $mod.ko."
42		generate_deps_for_ns $ns "$mod_source_files"
43		# sort the imports
44		for source_file in $mod_source_files; do
45			sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp
46			offset=$(wc -l ${source_file}.tmp | awk '{print $1;}')
47			cat $source_file | grep MODULE_IMPORT_NS | LC_ALL=C sort -u >> ${source_file}.tmp
48			tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp
49			if ! diff -q ${source_file} ${source_file}.tmp; then
50				mv ${source_file}.tmp ${source_file}
51			else
52				rm ${source_file}.tmp
53			fi
54		done
55	done
56}
57
58while read line
59do
60	generate_deps $line
61done < $MODULES_NSDEPS

 1#!/bin/sh
 2# SPDX-License-Identifier: GPL-2.0
 3# Linux kernel symbol namespace import generator
 4#
 5# This script requires a minimum spatch version.
 6SPATCH_REQ_VERSION="1.0.4"
 7
 8DIR="$(dirname $(readlink -f $0))/.."
 9SPATCH="`which ${SPATCH:=spatch}`"
10if [ ! -x "$SPATCH" ]; then
11	echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
12	exit 1
13fi
14
15SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
16
17if ! { echo "$SPATCH_REQ_VERSION"; echo "$SPATCH_VERSION"; } | sort -CV ; then
18	echo "spatch needs to be version $SPATCH_REQ_VERSION or higher"
19	exit 1
20fi
21
 
 
 
 
 
 
22generate_deps_for_ns() {
23	$SPATCH --very-quiet --in-place --sp-file \
24		$srctree/scripts/coccinelle/misc/add_namespace.cocci -D nsdeps -D ns=\"$1\" $2
25}
26
27generate_deps() {
28	local mod=${1%.ko:}
29	shift
30	local namespaces="$*"
31	local mod_source_files=$(sed "s|^\(.*\)\.o$|${srcroot}/\1.c|" $mod.mod)
32
 
33	for ns in $namespaces; do
34		echo "Adding namespace $ns to module $mod.ko."
35		generate_deps_for_ns $ns "$mod_source_files"
36		# sort the imports
37		for source_file in $mod_source_files; do
38			sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp
39			offset=$(wc -l ${source_file}.tmp | awk '{print $1;}')
40			cat $source_file | grep MODULE_IMPORT_NS | LC_ALL=C sort -u >> ${source_file}.tmp
41			tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp
42			if ! diff -q ${source_file} ${source_file}.tmp; then
43				mv ${source_file}.tmp ${source_file}
44			else
45				rm ${source_file}.tmp
46			fi
47		done
48	done
49}
50
51while read line
52do
53	generate_deps $line
54done < modules.nsdeps