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Diffstat (limited to '')
| -rw-r--r-- | scripts/nsdeps | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/scripts/nsdeps b/scripts/nsdeps new file mode 100644 index 000000000..f1718cc0d --- /dev/null +++ b/scripts/nsdeps @@ -0,0 +1,60 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# Linux kernel symbol namespace import generator +# +# This script requires a minimum spatch version. +SPATCH_REQ_VERSION="1.0.4" + +DIR="$(dirname $(readlink -f $0))/.." +SPATCH="`which ${SPATCH:=spatch}`" +if [ ! -x "$SPATCH" ]; then + echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/' + exit 1 +fi + +SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}') + +if ! { echo "$SPATCH_REQ_VERSION"; echo "$SPATCH_VERSION"; } | sort -CV ; then + echo "spatch needs to be version $SPATCH_REQ_VERSION or higher" + exit 1 +fi + +if [ "$KBUILD_EXTMOD" ]; then + src_prefix= +else + src_prefix=$srctree/ +fi + +generate_deps_for_ns() { + $SPATCH --very-quiet --in-place --sp-file \ + $srctree/scripts/coccinelle/misc/add_namespace.cocci -D nsdeps -D ns=$1 $2 +} + +generate_deps() { + local mod=${1%.ko:} + shift + local namespaces="$*" + local mod_source_files=$(sed "s|^\(.*\)\.o$|${src_prefix}\1.c|" $mod.mod) + + for ns in $namespaces; do + echo "Adding namespace $ns to module $mod.ko." + generate_deps_for_ns $ns "$mod_source_files" + # sort the imports + for source_file in $mod_source_files; do + sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp + offset=$(wc -l ${source_file}.tmp | awk '{print $1;}') + cat $source_file | grep MODULE_IMPORT_NS | LC_ALL=C sort -u >> ${source_file}.tmp + tail -n +$((offset +1)) ${source_file} | grep -v MODULE_IMPORT_NS >> ${source_file}.tmp + if ! diff -q ${source_file} ${source_file}.tmp; then + mv ${source_file}.tmp ${source_file} + else + rm ${source_file}.tmp + fi + done + done +} + +while read line +do + generate_deps $line +done < $MODULES_NSDEPS |