mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-16 17:23:55 +08:00
2552a39fac
By default, "seq" counts from 1, but processes were starting counting from 0, so when interrupted, coccicheck would leave the 0th process running. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Nicolas Palix <nicolas.palix@imag.fr> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
180 lines
4.7 KiB
Bash
Executable File
180 lines
4.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# This script requires at least spatch
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# version 1.0.0-rc11.
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#
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SPATCH="`which ${SPATCH:=spatch}`"
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trap kill_running SIGTERM SIGINT
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declare -a SPATCH_PID
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# The verbosity may be set by the environmental parameter V=
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# as for example with 'make V=1 coccicheck'
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if [ -n "$V" -a "$V" != "0" ]; then
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VERBOSE="$V"
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else
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VERBOSE=0
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fi
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if [ -z "$J" ]; then
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NPROC=$(getconf _NPROCESSORS_ONLN)
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else
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NPROC="$J"
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fi
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FLAGS="$SPFLAGS --very-quiet"
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# spatch only allows include directories with the syntax "-I include"
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# while gcc also allows "-Iinclude" and "-include include"
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COCCIINCLUDE=${LINUXINCLUDE//-I/-I }
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COCCIINCLUDE=${COCCIINCLUDE// -include/ --include}
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if [ "$C" = "1" -o "$C" = "2" ]; then
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ONLINE=1
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# Take only the last argument, which is the C file to test
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shift $(( $# - 1 ))
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OPTIONS="$COCCIINCLUDE $1"
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else
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ONLINE=0
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if [ "$KBUILD_EXTMOD" = "" ] ; then
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OPTIONS="--dir $srctree $COCCIINCLUDE"
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else
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OPTIONS="--dir $KBUILD_EXTMOD $COCCIINCLUDE"
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fi
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fi
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if [ "$KBUILD_EXTMOD" != "" ] ; then
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OPTIONS="--patch $srctree $OPTIONS"
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fi
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if [ ! -x "$SPATCH" ]; then
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echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
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exit 1
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fi
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if [ "$MODE" = "" ] ; then
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if [ "$ONLINE" = "0" ] ; then
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echo 'You have not explicitly specified the mode to use. Using default "report" mode.'
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echo 'Available modes are the following: patch, report, context, org'
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echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
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echo 'Note however that some modes are not implemented by some semantic patches.'
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fi
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MODE="report"
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fi
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if [ "$MODE" = "chain" ] ; then
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if [ "$ONLINE" = "0" ] ; then
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echo 'You have selected the "chain" mode.'
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echo 'All available modes will be tried (in that order): patch, report, context, org'
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fi
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elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then
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FLAGS="$FLAGS --no-show-diff"
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fi
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if [ "$ONLINE" = "0" ] ; then
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echo ''
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echo 'Please check for false positives in the output before submitting a patch.'
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echo 'When using "patch" mode, carefully review the patch before submitting it.'
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echo ''
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fi
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run_cmd() {
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local i
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if [ $VERBOSE -ne 0 ] ; then
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echo "Running ($NPROC in parallel): $@"
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fi
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for i in $(seq 0 $(( NPROC - 1)) ); do
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eval "$@ --max $NPROC --index $i &"
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SPATCH_PID[$i]=$!
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if [ $VERBOSE -eq 2 ] ; then
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echo "${SPATCH_PID[$i]} running"
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fi
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done
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wait
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}
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kill_running() {
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for i in $(seq 0 $(( NPROC - 1 )) ); do
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if [ $VERBOSE -eq 2 ] ; then
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echo "Killing ${SPATCH_PID[$i]}"
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fi
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kill ${SPATCH_PID[$i]} 2>/dev/null
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done
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}
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coccinelle () {
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COCCI="$1"
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OPT=`grep "Option" $COCCI | cut -d':' -f2`
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# The option '--parse-cocci' can be used to syntactically check the SmPL files.
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#
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# $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
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if [ $VERBOSE -ne 0 -a $ONLINE -eq 0 ] ; then
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FILE=`echo $COCCI | sed "s|$srctree/||"`
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echo "Processing `basename $COCCI`"
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echo "with option(s) \"$OPT\""
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echo ''
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echo 'Message example to submit a patch:'
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sed -ne 's|^///||p' $COCCI
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if [ "$MODE" = "patch" ] ; then
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echo ' The semantic patch that makes this change is available'
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elif [ "$MODE" = "report" ] ; then
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echo ' The semantic patch that makes this report is available'
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elif [ "$MODE" = "context" ] ; then
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echo ' The semantic patch that spots this code is available'
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elif [ "$MODE" = "org" ] ; then
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echo ' The semantic patch that makes this Org report is available'
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else
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echo ' The semantic patch that makes this output is available'
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fi
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echo " in $FILE."
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echo ''
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echo ' More information about semantic patching is available at'
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echo ' http://coccinelle.lip6.fr/'
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echo ''
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if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then
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echo 'Semantic patch information:'
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sed -ne 's|^//#||p' $COCCI
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echo ''
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fi
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fi
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if [ "$MODE" = "chain" ] ; then
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run_cmd $SPATCH -D patch \
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$FLAGS --cocci-file $COCCI $OPT $OPTIONS || \
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run_cmd $SPATCH -D report \
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$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || \
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run_cmd $SPATCH -D context \
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$FLAGS --cocci-file $COCCI $OPT $OPTIONS || \
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run_cmd $SPATCH -D org \
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$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff || exit 1
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elif [ "$MODE" = "rep+ctxt" ] ; then
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run_cmd $SPATCH -D report \
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$FLAGS --cocci-file $COCCI $OPT $OPTIONS --no-show-diff && \
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run_cmd $SPATCH -D context \
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$FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
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else
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run_cmd $SPATCH -D $MODE $FLAGS --cocci-file $COCCI $OPT $OPTIONS || exit 1
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fi
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}
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if [ "$COCCI" = "" ] ; then
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for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
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coccinelle $f
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done
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else
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coccinelle $COCCI
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fi
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