projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 $SPATCH_REQ_VERSION or higher" | |
| 21 | exit 1 | |
| 22 | fi | |
| 23 | ||
| bc35d4bd MY |
24 | if [ "$KBUILD_EXTMOD" ]; then |
| 25 | src_prefix= | |
| 26 | else | |
| 27 | src_prefix=$srctree/ | |
| 28 | fi | |
| 29 | ||
| eb8305ae MM |
30 | generate_deps_for_ns() { |
| 31 | $SPATCH --very-quiet --in-place --sp-file \ | |
| 55c75498 | 32 | $srctree/scripts/coccinelle/misc/add_namespace.cocci -D nsdeps -D ns=$1 $2 |
| eb8305ae MM |
33 | } |
| 34 | ||
| 35 | generate_deps() { | |
| bbc55bde MY |
36 | local mod=${1%.ko:} |
| 37 | shift | |
| 38 | local namespaces="$*" | |
| 39 | local mod_source_files="`cat $mod.mod | sed -n 1p \ | |
| eb8305ae | 40 | | sed -e 's/\.o/\.c/g' \ |
| bc35d4bd | 41 | | sed "s|[^ ]* *|${src_prefix}&|g"`" |
| bbc55bde MY |
42 | for ns in $namespaces; do |
| 43 | echo "Adding namespace $ns to module $mod.ko." | |
| 57baec7b | 44 | generate_deps_for_ns $ns "$mod_source_files" |
| eb8305ae MM |
45 | # sort the imports |
| 46 | for source_file in $mod_source_files; do | |
| 47 | sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp | |
| 48 | offset=$(wc -l ${source_file}.tmp | awk '{print $1;}') | |
| df6f0987 | 49 | cat $source_file | grep MODULE_IMPORT_NS | LANG=C sort -u >> ${source_file}.tmp |
| eb8305ae MM |
50 | tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp |
| 51 | if ! diff -q ${source_file} ${source_file}.tmp; then | |
| 52 | mv ${source_file}.tmp ${source_file} | |
| 53 | else | |
| 54 | rm ${source_file}.tmp | |
| 55 | fi | |
| 56 | done | |
| 57 | done | |
| 58 | } | |
| 59 | ||
| bbc55bde MY |
60 | while read line |
| 61 | do | |
| 62 | generate_deps $line | |
| bc35d4bd | 63 | done < $MODULES_NSDEPS |