1#!/bin/sh 2 3SPATCH="`which ${SPATCH:=spatch}`" 4 5if [ "$C" = "1" -o "$C" = "2" ]; then 6 ONLINE=1 7 8# This requires Coccinelle >= 0.2.3 9# FLAGS="-ignore_unknown_options -very_quiet" 10# OPTIONS=$* 11 12# Workaround for Coccinelle < 0.2.3 13 FLAGS="-I $srctree/include -very_quiet" 14 shift $(( $# - 1 )) 15 OPTIONS=$1 16else 17 ONLINE=0 18 FLAGS="-very_quiet" 19 if [ "$KBUILD_EXTMOD" = "" ] ; then 20 OPTIONS="-dir $srctree" 21 else 22 OPTIONS="-dir $KBUILD_EXTMOD -patch $srctree -I $srctree/include -I $KBUILD_EXTMOD/include" 23 fi 24fi 25 26if [ ! -x "$SPATCH" ]; then 27 echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/' 28 exit 1 29fi 30 31if [ "$MODE" = "" ] ; then 32 if [ "$ONLINE" = "0" ] ; then 33 echo 'You have not explicitly specified the mode to use. Using default "chain" mode.' 34 echo 'All available modes will be tried (in that order): patch, report, context, org' 35 echo 'You can specify the mode with "make coccicheck MODE=<mode>"' 36 fi 37 MODE="chain" 38elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then 39 FLAGS="$FLAGS -no_show_diff" 40fi 41 42if [ "$ONLINE" = "0" ] ; then 43 echo '' 44 echo 'Please check for false positives in the output before submitting a patch.' 45 echo 'When using "patch" mode, carefully review the patch before submitting it.' 46 echo '' 47fi 48 49coccinelle () { 50 COCCI="$1" 51 52 OPT=`grep "Option" $COCCI | cut -d':' -f2` 53 54# The option '-parse_cocci' can be used to syntactically check the SmPL files. 55# 56# $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null 57 58 if [ "$ONLINE" = "0" ] ; then 59 60 FILE=`echo $COCCI | sed "s|$srctree/||"` 61 62 echo "Processing `basename $COCCI`" 63 echo "with option(s) \"$OPT\"" 64 echo '' 65 echo 'Message example to submit a patch:' 66 67 sed -ne 's|^///||p' $COCCI 68 69 if [ "$MODE" = "patch" ] ; then 70 echo ' The semantic patch that makes this change is available' 71 elif [ "$MODE" = "report" ] ; then 72 echo ' The semantic patch that makes this report is available' 73 elif [ "$MODE" = "context" ] ; then 74 echo ' The semantic patch that spots this code is available' 75 elif [ "$MODE" = "org" ] ; then 76 echo ' The semantic patch that makes this Org report is available' 77 else 78 echo ' The semantic patch that makes this output is available' 79 fi 80 echo " in $FILE." 81 echo '' 82 echo ' More information about semantic patching is available at' 83 echo ' http://coccinelle.lip6.fr/' 84 echo '' 85 86 if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then 87 echo 'Semantic patch information:' 88 sed -ne 's|^//#||p' $COCCI 89 echo '' 90 fi 91 fi 92 93 if [ "$MODE" = "chain" ] ; then 94 $SPATCH -D patch $FLAGS -sp_file $COCCI $OPT $OPTIONS || \ 95 $SPATCH -D report $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \ 96 $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS || \ 97 $SPATCH -D org $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1 98 elif [ "$MODE" = "rep+ctxt" ] ; then 99 $SPATCH -D report $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff && \ 100 $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1 101 else 102 $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1 103 fi 104 105} 106 107if [ "$COCCI" = "" ] ; then 108 for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do 109 coccinelle $f 110 done 111else 112 coccinelle $COCCI 113fi 114