Files
kernel/scripts/nsdeps
T
Greg Kroah-Hartman 5d392794b2 Linux 6.12.60
Link: https://lore.kernel.org/r/20251127144032.705323598@linuxfoundation.org
Tested-by: Pavel Machek (CIP) <pavel@denx.de>
Link: https://lore.kernel.org/r/20251127150346.125775439@linuxfoundation.org
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Dileep Malepu <dileep.debian@gmail.com>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-12-01 11:43:41 +01:00

61 lines
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#!/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