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40997fb8 | 1 | #!/bin/sh |
eb8305ae MM |
2 | # SPDX-License-Identifier: GPL-2.0 |
3 | # Linux kernel symbol namespace import generator | |
4 | # | |
5 | # This script requires a minimum spatch version. | |
6 | SPATCH_REQ_VERSION="1.0.4" | |
7 | ||
8 | DIR="$(dirname $(readlink -f $0))/.." | |
9 | SPATCH="`which ${SPATCH:=spatch}`" | |
10 | if [ ! -x "$SPATCH" ]; then | |
11 | echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/' | |
12 | exit 1 | |
13 | fi | |
14 | ||
15 | SPATCH_REQ_VERSION_NUM=$(echo $SPATCH_REQ_VERSION | ${DIR}/scripts/ld-version.sh) | |
16 | SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}') | |
17 | SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh) | |
18 | ||
19 | if [ "$SPATCH_VERSION_NUM" -lt "$SPATCH_REQ_VERSION_NUM" ] ; then | |
20 | echo "spatch needs to be version $SPATCH_REQ_VERSION or higher" | |
21 | exit 1 | |
22 | fi | |
23 | ||
24 | generate_deps_for_ns() { | |
25 | $SPATCH --very-quiet --in-place --sp-file \ | |
26 | $srctree/scripts/coccinelle/misc/add_namespace.cocci -D ns=$1 $2 | |
27 | } | |
28 | ||
29 | generate_deps() { | |
bbc55bde MY |
30 | local mod=${1%.ko:} |
31 | shift | |
32 | local namespaces="$*" | |
33 | local mod_source_files="`cat $mod.mod | sed -n 1p \ | |
eb8305ae | 34 | | sed -e 's/\.o/\.c/g' \ |
57baec7b | 35 | | sed "s|[^ ]* *|${srctree}/&|g"`" |
bbc55bde MY |
36 | for ns in $namespaces; do |
37 | echo "Adding namespace $ns to module $mod.ko." | |
57baec7b | 38 | generate_deps_for_ns $ns "$mod_source_files" |
eb8305ae MM |
39 | # sort the imports |
40 | for source_file in $mod_source_files; do | |
41 | sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp | |
42 | offset=$(wc -l ${source_file}.tmp | awk '{print $1;}') | |
df6f0987 | 43 | cat $source_file | grep MODULE_IMPORT_NS | LANG=C sort -u >> ${source_file}.tmp |
eb8305ae MM |
44 | tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp |
45 | if ! diff -q ${source_file} ${source_file}.tmp; then | |
46 | mv ${source_file}.tmp ${source_file} | |
47 | else | |
48 | rm ${source_file}.tmp | |
49 | fi | |
50 | done | |
51 | done | |
52 | } | |
53 | ||
bbc55bde MY |
54 | while read line |
55 | do | |
56 | generate_deps $line | |
57 | done < modules.nsdeps |