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