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1#!/bin/bash
2
3#
4# This script requires at least spatch
5# version 1.0.0-rc11.
6#
7
8SPATCH="`which ${SPATCH:=spatch}`"
9
10trap kill_running SIGTERM SIGINT
11declare -a SPATCH_PID
12
13# The verbosity may be set by the environmental parameter V=
14# as for example with 'make V=1 coccicheck'
15
16if [ -n "$V" -a "$V" != "0" ]; then
17 VERBOSE="$V"
18else
19 VERBOSE=0
20fi
21
22if [ -z "$J" ]; then
23 NPROC=$(getconf _NPROCESSORS_ONLN)
24else
25 NPROC="$J"
26fi
27
28FLAGS="$SPFLAGS --very-quiet"
29
30# spatch only allows include directories with the syntax "-I include"
31# while gcc also allows "-Iinclude" and "-include include"
32COCCIINCLUDE=${LINUXINCLUDE//-I/-I }
33COCCIINCLUDE=${COCCIINCLUDE// -include/ --include}
34
35if [ "$C" = "1" -o "$C" = "2" ]; then
36 ONLINE=1
37
38 # Take only the last argument, which is the C file to test
39 shift $(( $# - 1 ))
40 OPTIONS="$COCCIINCLUDE $1"
41else
42 ONLINE=0
43 if [ "$KBUILD_EXTMOD" = "" ] ; then
44 OPTIONS="--dir $srctree $COCCIINCLUDE"
45 else
46 OPTIONS="--dir $KBUILD_EXTMOD $COCCIINCLUDE"
47 fi
48fi
49
50if [ "$KBUILD_EXTMOD" != "" ] ; then
51 OPTIONS="--patch $srctree $OPTIONS"
52fi
53
54if [ ! -x "$SPATCH" ]; then
55 echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
56 exit 1
57fi
58
59if [ "$MODE" = "" ] ; then
60 if [ "$ONLINE" = "0" ] ; then
61 echo 'You have not explicitly specified the mode to use. Using default "report" mode.'
62 echo 'Available modes are the following: patch, report, context, org'
63 echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
64 echo 'Note however that some modes are not implemented by some semantic patches.'
65 fi
66 MODE="report"
67fi
68
69if [ "$MODE" = "chain" ] ; then
70 if [ "$ONLINE" = "0" ] ; then
71 echo 'You have selected the "chain" mode.'
72 echo 'All available modes will be tried (in that order): patch, report, context, org'
73 fi
74elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then
75 FLAGS="$FLAGS --no-show-diff"
76fi
77
78if [ "$ONLINE" = "0" ] ; then
79 echo ''
80 echo 'Please check for false positives in the output before submitting a patch.'
81 echo 'When using "patch" mode, carefully review the patch before submitting it.'
82 echo ''
83fi
84
85run_cmd() {
86 local i
87 if [ $VERBOSE -ne 0 ] ; then
88 echo "Running ($NPROC in parallel): $@"
89 fi
90 for i in $(seq 0 $(( NPROC - 1)) ); do
91 eval "$@ --max $NPROC --index $i &"
92 SPATCH_PID[$i]=$!
93 if [ $VERBOSE -eq 2 ] ; then
94 echo "${SPATCH_PID[$i]} running"
95 fi
96 done
97 wait
98}
99
100kill_running() {
101 for i in $(seq $(( NPROC - 1 )) ); do
102 if [ $VERBOSE -eq 2 ] ; then
103 echo "Killing ${SPATCH_PID[$i]}"
104 fi
105 kill ${SPATCH_PID[$i]} 2>/dev/null
106 done
107}
108
109coccinelle () {
110 COCCI="$1"
111
112 OPT=`grep "Option" $COCCI | cut -d':' -f2`
113
114# The option '--parse-cocci' can be used to syntactically check the SmPL files.
115#
116# $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
117
118 if [ $VERBOSE -ne 0 -a $ONLINE -eq 0 ] ; then
119
120 FILE=`echo $COCCI | sed "s|$srctree/||"`
121
122 echo "Processing `basename $COCCI`"
123 echo "with option(s) \"$OPT\""
124 echo ''
125 echo 'Message example to submit a patch:'
126
127 sed -ne 's|^///||p' $COCCI
128
129 if [ "$MODE" = "patch" ] ; then
130 echo ' The semantic patch that makes this change is available'
131 elif [ "$MODE" = "report" ] ; then
132 echo ' The semantic patch that makes this report is available'
133 elif [ "$MODE" = "context" ] ; then
134 echo ' The semantic patch that spots this code is available'
135 elif [ "$MODE" = "org" ] ; then
136 echo ' The semantic patch that makes this Org report is available'
137 else
138 echo ' The semantic patch that makes this output is available'
139 fi
140 echo " in $FILE."
141 echo ''
142 echo ' More information about semantic patching is available at'
143 echo ' http://coccinelle.lip6.fr/'
144 echo ''
145
146 if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then
147 echo 'Semantic patch information:'
148 sed -ne 's|^//#||p' $COCCI
149 echo ''
150 fi
151 fi
152
153 if [ "$MODE" = "chain" ] ; then
154 run_cmd $SPATCH -D patch \
155 $FLAGS --cocci-file $COCCI $OPT $OPTIONS || \
156 run_cmd $SPATCH -D report \
157 $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || \
158 run_cmd $SPATCH -D context \
159 $FLAGS --cocci-file $COCCI $OPT $OPTIONS || \
160 run_cmd $SPATCH -D org \
161 $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || exit 1
162 elif [ "$MODE" = "rep+ctxt" ] ; then
163 run_cmd $SPATCH -D report \
164 $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff && \
165 run_cmd $SPATCH -D context \
166 $FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
167 else
168 run_cmd $SPATCH -D $MODE $FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
169 fi
170
171}
172
173if [ "$COCCI" = "" ] ; then
174 for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
175 coccinelle $f
176 done
177else
178 coccinelle $COCCI
179fi
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 else
99 $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
100 fi
101
102}
103
104if [ "$COCCI" = "" ] ; then
105 for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
106 coccinelle $f
107 done
108else
109 coccinelle $COCCI
110fi