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