linux-yocto/scripts/coccicheck

#!/bin/sh

SPATCH="which ${SPATCH:=spatch}"

The verbosity may be set by the environmental parameter V=

as for example with 'make V=1 coccicheck'

if [ -n "$V" -a "$V" != "0" ]; then VERBOSE=1 else VERBOSE=0 fi

if [ "$C" = "1" -o "$C" = "2" ]; then ONLINE=1

This requires Coccinelle >= 0.2.3

FLAGS="-ignore_unknown_options -very_quiet"

OPTIONS=$*

Workaround for Coccinelle < 0.2.3

FLAGS="-I $srctree/include -very_quiet"
shift $(( $# - 1 ))
OPTIONS=$1

else ONLINE=0 FLAGS="-very_quiet" if [ "$KBUILD_EXTMOD" = "" ] ; then OPTIONS="-dir $srctree" else OPTIONS="-dir $KBUILD_EXTMOD -patch $srctree -I $srctree/include -I $KBUILD_EXTMOD/include" fi fi

if [ ! -x "$SPATCH" ]; then echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/' exit 1 fi

if [ "$MODE" = "" ] ; then if [ "$ONLINE" = "0" ] ; then echo 'You have not explicitly specified the mode to use. Using default "chain" mode.' echo 'All available modes will be tried (in that order): patch, report, context, org' echo 'You can specify the mode with "make coccicheck MODE="' fi MODE="chain" elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then FLAGS="$FLAGS -no_show_diff" fi

if [ "$ONLINE" = "0" ] ; then echo '' echo 'Please check for false positives in the output before submitting a patch.' echo 'When using "patch" mode, carefully review the patch before submitting it.' echo '' fi

run_cmd() { if [ $VERBOSE -ne 0 ] ; then echo "Running: $@" fi eval $@ }

coccinelle () { COCCI="$1"

OPT=`grep "Option" $COCCI | cut -d':' -f2`

The option '-parse_cocci' can be used to syntactically check the SmPL files.

$SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null

if [ $VERBOSE -ne 0 ] ; then

FILE=`echo $COCCI | sed "s|$srctree/||"`

echo "Processing `basename $COCCI`"
echo "with option(s) \"$OPT\""
echo ''
echo 'Message example to submit a patch:'

sed -ne 's|^///||p' $COCCI

if [ "$MODE" = "patch" ] ; then
    echo ' The semantic patch that makes this change is available'
elif [ "$MODE" = "report" ] ; then
    echo ' The semantic patch that makes this report is available'
elif [ "$MODE" = "context" ] ; then
    echo ' The semantic patch that spots this code is available'
elif [ "$MODE" = "org" ] ; then
    echo ' The semantic patch that makes this Org report is available'
else
    echo ' The semantic patch that makes this output is available'
fi
echo " in $FILE."
echo ''
echo ' More information about semantic patching is available at'
echo ' http://coccinelle.lip6.fr/'
echo ''

if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then
    echo 'Semantic patch information:'
    sed -ne 's|^//#||p' $COCCI
    echo ''
fi
fi

if [ "$MODE" = "chain" ] ; then
run_cmd $SPATCH -D patch   \
	$FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
run_cmd $SPATCH -D report  \
	$FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
run_cmd $SPATCH -D context \
	$FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
run_cmd $SPATCH -D org     \
	$FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
elif [ "$MODE" = "rep+ctxt" ] ; then
run_cmd $SPATCH -D report  \
	$FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff && \
run_cmd $SPATCH -D context \
	$FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
else
run_cmd $SPATCH -D $MODE   $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
fi

}

if [ "$COCCI" = "" ] ; then for f in find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort; do coccinelle $f done else coccinelle $COCCI fi