From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import
---
scripts/coccicheck | 179 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 179 insertions(+)
create mode 100755 scripts/coccicheck
(limited to 'scripts/coccicheck')
diff --git a/scripts/coccicheck b/scripts/coccicheck
new file mode 100755
index 000000000..bbf901afb
--- /dev/null
+++ b/scripts/coccicheck
@@ -0,0 +1,179 @@
+#!/bin/bash
+
+#
+# This script requires at least spatch
+# version 1.0.0-rc11.
+#
+
+SPATCH="`which ${SPATCH:=spatch}`"
+
+trap kill_running SIGTERM SIGINT
+declare -a SPATCH_PID
+
+# The verbosity may be set by the environmental parameter V=
+# as for example with 'make V=1 coccicheck'
+
+if [ -n "$V" -a "$V" != "0" ]; then
+ VERBOSE="$V"
+else
+ VERBOSE=0
+fi
+
+if [ -z "$J" ]; then
+ NPROC=$(getconf _NPROCESSORS_ONLN)
+else
+ NPROC="$J"
+fi
+
+FLAGS="$SPFLAGS --very-quiet"
+
+# spatch only allows include directories with the syntax "-I include"
+# while gcc also allows "-Iinclude" and "-include include"
+COCCIINCLUDE=${LINUXINCLUDE//-I/-I }
+COCCIINCLUDE=${COCCIINCLUDE//-include/-I}
+
+if [ "$C" = "1" -o "$C" = "2" ]; then
+ ONLINE=1
+
+ # Take only the last argument, which is the C file to test
+ shift $(( $# - 1 ))
+ OPTIONS="$COCCIINCLUDE $1"
+else
+ ONLINE=0
+ if [ "$KBUILD_EXTMOD" = "" ] ; then
+ OPTIONS="--dir $srctree $COCCIINCLUDE"
+ else
+ OPTIONS="--dir $KBUILD_EXTMOD $COCCIINCLUDE"
+ fi
+fi
+
+if [ "$KBUILD_EXTMOD" != "" ] ; then
+ OPTIONS="--patch $srctree $OPTIONS"
+fi
+
+if [ ! -x "$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 "report" mode.'
+ echo 'Available modes are the following: patch, report, context, org'
+ echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
+ echo 'Note however that some modes are not implemented by some semantic patches.'
+ fi
+ MODE="report"
+fi
+
+if [ "$MODE" = "chain" ] ; then
+ if [ "$ONLINE" = "0" ] ; then
+ echo 'You have selected the "chain" mode.'
+ echo 'All available modes will be tried (in that order): patch, report, context, org'
+ fi
+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() {
+ local i
+ if [ $VERBOSE -ne 0 ] ; then
+ echo "Running ($NPROC in parallel): $@"
+ fi
+ for i in $(seq 0 $(( NPROC - 1)) ); do
+ eval "$@ --max $NPROC --index $i &"
+ SPATCH_PID[$i]=$!
+ if [ $VERBOSE -eq 2 ] ; then
+ echo "${SPATCH_PID[$i]} running"
+ fi
+ done
+ wait
+}
+
+kill_running() {
+ for i in $(seq $(( NPROC - 1 )) ); do
+ if [ $VERBOSE -eq 2 ] ; then
+ echo "Killing ${SPATCH_PID[$i]}"
+ fi
+ kill ${SPATCH_PID[$i]} 2>/dev/null
+ done
+}
+
+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 -a $ONLINE -eq 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 --cocci-file $COCCI $OPT $OPTIONS || \
+ run_cmd $SPATCH -D report \
+ $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || \
+ run_cmd $SPATCH -D context \
+ $FLAGS --cocci-file $COCCI $OPT $OPTIONS || \
+ run_cmd $SPATCH -D org \
+ $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || exit 1
+ elif [ "$MODE" = "rep+ctxt" ] ; then
+ run_cmd $SPATCH -D report \
+ $FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff && \
+ run_cmd $SPATCH -D context \
+ $FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
+ else
+ run_cmd $SPATCH -D $MODE $FLAGS --cocci-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
--
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