4 # This script requires at least spatch
8 DIR="$(dirname $(readlink -f $0))/.."
9 SPATCH="`which ${SPATCH:=spatch}`"
11 if [ ! -x "$SPATCH" ]; then
12 echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
16 SPATCH_VERSION=$($SPATCH --version | head -1 | awk '{print $3}')
17 SPATCH_VERSION_NUM=$(echo $SPATCH_VERSION | ${DIR}/scripts/ld-version.sh)
20 $SPATCH --help | grep "\-\-jobs" > /dev/null && USE_JOBS="yes"
22 # The verbosity may be set by the environmental parameter V=
23 # as for example with 'make V=1 coccicheck'
25 if [ -n "$V" -a "$V" != "0" ]; then
32 NPROC=$(getconf _NPROCESSORS_ONLN)
39 # You can use SPFLAGS to append extra arguments to coccicheck or override any
40 # heuristics done in this file as Coccinelle accepts the last options when
43 # A good example for use of SPFLAGS is if you want to debug your cocci script,
44 # you can for instance use the following:
46 # $ export COCCI=scripts/coccinelle/misc/irqf_oneshot.cocci
47 # $ make coccicheck MODE=report DEBUG_FILE="all.err" SPFLAGS="--profile --show-trying" M=./drivers/mfd/arizona-irq.c
49 # "--show-trying" should show you what rule is being processed as it goes to
50 # stdout, you do not need a debug file for that. The profile output will be
51 # be sent to stdout, if you provide a DEBUG_FILE the profiling data can be
54 # --profile will not output if --very-quiet is used, so avoid it.
55 echo $SPFLAGS | egrep -e "--profile|--show-trying" 2>&1 > /dev/null
60 # spatch only allows include directories with the syntax "-I include"
61 # while gcc also allows "-Iinclude" and "-include include"
62 COCCIINCLUDE=${LINUXINCLUDE//-I/-I }
63 COCCIINCLUDE=${COCCIINCLUDE// -include/ --include}
65 if [ "$C" = "1" -o "$C" = "2" ]; then
68 # Take only the last argument, which is the C file to test
70 OPTIONS="$COCCIINCLUDE $1"
73 if [ "$KBUILD_EXTMOD" = "" ] ; then
74 OPTIONS="--dir $srctree $COCCIINCLUDE"
76 OPTIONS="--dir $KBUILD_EXTMOD $COCCIINCLUDE"
80 if [ "$KBUILD_EXTMOD" != "" ] ; then
81 OPTIONS="--patch $srctree $OPTIONS"
84 # You can override by using SPFLAGS
85 if [ "$USE_JOBS" = "no" ]; then
86 trap kill_running SIGTERM SIGINT
88 elif [ "$NPROC" != "1" ]; then
89 # Using 0 should work as well, refer to _SC_NPROCESSORS_ONLN use on
90 # https://github.com/rdicosmo/parmap/blob/master/setcore_stubs.c
91 OPTIONS="$OPTIONS --jobs $NPROC --chunksize 1"
94 if [ "$MODE" = "" ] ; then
95 if [ "$ONLINE" = "0" ] ; then
96 echo 'You have not explicitly specified the mode to use. Using default "report" mode.'
97 echo 'Available modes are the following: patch, report, context, org'
98 echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
99 echo 'Note however that some modes are not implemented by some semantic patches.'
104 if [ "$MODE" = "chain" ] ; then
105 if [ "$ONLINE" = "0" ] ; then
106 echo 'You have selected the "chain" mode.'
107 echo 'All available modes will be tried (in that order): patch, report, context, org'
109 elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then
110 FLAGS="--no-show-diff $FLAGS"
113 if [ "$ONLINE" = "0" ] ; then
115 echo 'Please check for false positives in the output before submitting a patch.'
116 echo 'When using "patch" mode, carefully review the patch before submitting it.'
121 if [ $VERBOSE -ne 0 ] ; then
122 echo "Running ($NPROC in parallel): $@"
124 if [ "$DEBUG_FILE" != "/dev/null" -a "$DEBUG_FILE" != "" ]; then
125 if [ -f $DEBUG_FILE ]; then
126 echo "Debug file $DEBUG_FILE exists, bailing"
130 DEBUG_FILE="/dev/null"
133 if [[ $? -ne 0 ]]; then
134 echo "coccicheck failed"
141 if [ $VERBOSE -ne 0 ] ; then
142 echo "Running ($NPROC in parallel): $@"
144 for i in $(seq 0 $(( NPROC - 1)) ); do
145 eval "$@ --max $NPROC --index $i &"
147 if [ $VERBOSE -eq 2 ] ; then
148 echo "${SPATCH_PID[$i]} running"
155 if [ "$USE_JOBS" = "yes" ]; then
163 for i in $(seq 0 $(( NPROC - 1 )) ); do
164 if [ $VERBOSE -eq 2 ] ; then
165 echo "Killing ${SPATCH_PID[$i]}"
167 kill ${SPATCH_PID[$i]} 2>/dev/null
171 # You can override heuristics with SPFLAGS, these must always go last
172 OPTIONS="$OPTIONS $SPFLAGS"
177 OPT=`grep "Option" $COCCI | cut -d':' -f2`
178 REQ=`grep "Requires" $COCCI | cut -d':' -f2 | sed "s| ||"`
179 REQ_NUM=$(echo $REQ | ${DIR}/scripts/ld-version.sh)
180 if [ "$REQ_NUM" != "0" ] ; then
181 if [ "$SPATCH_VERSION_NUM" -lt "$REQ_NUM" ] ; then
182 echo "Skipping coccinele SmPL patch: $COCCI"
183 echo "You have coccinelle: $SPATCH_VERSION"
184 echo "This SmPL patch requires: $REQ"
189 # The option '--parse-cocci' can be used to syntactically check the SmPL files.
191 # $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
193 if [ $VERBOSE -ne 0 -a $ONLINE -eq 0 ] ; then
195 FILE=`echo $COCCI | sed "s|$srctree/||"`
197 echo "Processing `basename $COCCI`"
198 echo "with option(s) \"$OPT\""
200 echo 'Message example to submit a patch:'
202 sed -ne 's|^///||p' $COCCI
204 if [ "$MODE" = "patch" ] ; then
205 echo ' The semantic patch that makes this change is available'
206 elif [ "$MODE" = "report" ] ; then
207 echo ' The semantic patch that makes this report is available'
208 elif [ "$MODE" = "context" ] ; then
209 echo ' The semantic patch that spots this code is available'
210 elif [ "$MODE" = "org" ] ; then
211 echo ' The semantic patch that makes this Org report is available'
213 echo ' The semantic patch that makes this output is available'
217 echo ' More information about semantic patching is available at'
218 echo ' http://coccinelle.lip6.fr/'
221 if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then
222 echo 'Semantic patch information:'
223 sed -ne 's|^//#||p' $COCCI
228 if [ "$MODE" = "chain" ] ; then
229 run_cmd $SPATCH -D patch \
230 $FLAGS --cocci-file $COCCI $OPT $OPTIONS || \
231 run_cmd $SPATCH -D report \
232 $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || \
233 run_cmd $SPATCH -D context \
234 $FLAGS --cocci-file $COCCI $OPT $OPTIONS || \
235 run_cmd $SPATCH -D org \
236 $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || exit 1
237 elif [ "$MODE" = "rep+ctxt" ] ; then
238 run_cmd $SPATCH -D report \
239 $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff && \
240 run_cmd $SPATCH -D context \
241 $FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
243 run_cmd $SPATCH -D $MODE $FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
248 if [ "$COCCI" = "" ] ; then
249 for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do