ublk_drv: add device parameter UBLK_PARAM_TYPE_DEVT
[linux-block.git] / scripts / 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.
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_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
16
17 if ! { echo "$SPATCH_REQ_VERSION"; echo "$SPATCH_VERSION"; } | sort -CV ; then
18         echo "spatch needs to be version $SPATCH_REQ_VERSION or higher"
19         exit 1
20 fi
21
22 if [ "$KBUILD_EXTMOD" ]; then
23         src_prefix=
24 else
25         src_prefix=$srctree/
26 fi
27
28 generate_deps_for_ns() {
29         $SPATCH --very-quiet --in-place --sp-file \
30                 $srctree/scripts/coccinelle/misc/add_namespace.cocci -D nsdeps -D ns=$1 $2
31 }
32
33 generate_deps() {
34         local mod=${1%.ko:}
35         shift
36         local namespaces="$*"
37         local mod_source_files=$(sed "s|^\(.*\)\.o$|${src_prefix}\1.c|" $mod.mod)
38
39         for ns in $namespaces; do
40                 echo "Adding namespace $ns to module $mod.ko."
41                 generate_deps_for_ns $ns "$mod_source_files"
42                 # sort the imports
43                 for source_file in $mod_source_files; do
44                         sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp
45                         offset=$(wc -l ${source_file}.tmp | awk '{print $1;}')
46                         cat $source_file | grep MODULE_IMPORT_NS | LC_ALL=C sort -u >> ${source_file}.tmp
47                         tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp
48                         if ! diff -q ${source_file} ${source_file}.tmp; then
49                                 mv ${source_file}.tmp ${source_file}
50                         else
51                                 rm ${source_file}.tmp
52                         fi
53                 done
54         done
55 }
56
57 while read line
58 do
59         generate_deps $line
60 done < $MODULES_NSDEPS