Root/scripts/coccicheck

Source at commit cdde9cf73945d547acd3e96f9508c79e84ad0bf1 created 9 years 4 months ago.
By Maarten ter Huurne, MMC: JZ4740: Added support for CPU frequency changing
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
111

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