提交 74425eee 编写于 作者: N Nicolas Palix 提交者: Michal Marek

Add a target to use the Coccinelle checker

A 'coccicheck' target is added. It can be called with four different
modes. Each one generates a different kind of output, i.e. context,
patch, org, report, according to the corresponding mode to be
activated.

The new target calls the 'coccicheck' front-end in the 'scripts'
directory with the MODE argument. Every SmPL file in the
subdirectories of 'scripts/coccinelle' is then given to the front-end
and applied to the entire source tree.

The four modes behave as follows:

'report' generates a list in the following format:
  file:line:column-column: message

'patch' proposes a fix, when possible.

'context' highlights lines of interest and their context in a
diff-like style. Lines of interest are indicated with '-'.

'org' generates a report in the Org mode format of Emacs.
Signed-off-by: NNicolas Palix <npalix@diku.dk>
Signed-off-by: NJulia Lawall <julia@diku.dk>
Acked-by: NSam Ravnborg <sam@ravnborg.org>
Acked-by: NJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: NMichal Marek <mmarek@suse.cz>
上级 64ffc9ff
...@@ -1476,6 +1476,16 @@ M: Daniel Oliveira Nascimento <don@syst.com.br> ...@@ -1476,6 +1476,16 @@ M: Daniel Oliveira Nascimento <don@syst.com.br>
S: Supported S: Supported
F: drivers/platform/x86/classmate-laptop.c F: drivers/platform/x86/classmate-laptop.c
COCCINELLE/Semantic Patches (SmPL)
M: Julia Lawall <julia@diku.dk>
M: Gilles Muller <Gilles.Muller@lip6.fr>
M: Nicolas Palix <npalix@diku.dk>
L: cocci@diku.dk (moderated for non-subscribers)
W: http://coccinelle.lip6.fr/
S: Supported
F: scripts/coccinelle/
F: scripts/coccicheck
CODA FILE SYSTEM CODA FILE SYSTEM
M: Jan Harkes <jaharkes@cs.cmu.edu> M: Jan Harkes <jaharkes@cs.cmu.edu>
M: coda@cs.cmu.edu M: coda@cs.cmu.edu
......
...@@ -412,7 +412,7 @@ endif ...@@ -412,7 +412,7 @@ endif
# of make so .config is not included in this case either (for *config). # of make so .config is not included in this case either (for *config).
no-dot-config-targets := clean mrproper distclean \ no-dot-config-targets := clean mrproper distclean \
cscope TAGS tags help %docs check% \ cscope TAGS tags help %docs check% coccicheck \
include/linux/version.h headers_% \ include/linux/version.h headers_% \
kernelrelease kernelversion kernelrelease kernelversion
...@@ -1279,8 +1279,9 @@ help: ...@@ -1279,8 +1279,9 @@ help:
@echo ' includecheck - Check for duplicate included header files' @echo ' includecheck - Check for duplicate included header files'
@echo ' export_report - List the usages of all exported symbols' @echo ' export_report - List the usages of all exported symbols'
@echo ' headers_check - Sanity check on exported headers' @echo ' headers_check - Sanity check on exported headers'
@echo ' headerdep - Detect inclusion cycles in headers'; \ @echo ' headerdep - Detect inclusion cycles in headers'
echo '' @$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help
@echo ''
@echo 'Kernel packaging:' @echo 'Kernel packaging:'
@$(MAKE) $(build)=$(package-dir) help @$(MAKE) $(build)=$(package-dir) help
@echo '' @echo ''
...@@ -1439,6 +1440,9 @@ versioncheck: ...@@ -1439,6 +1440,9 @@ versioncheck:
-name '*.[hcS]' -type f -print | sort \ -name '*.[hcS]' -type f -print | sort \
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl | xargs $(PERL) -w $(srctree)/scripts/checkversion.pl
coccicheck:
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@
namespacecheck: namespacecheck:
$(PERL) $(srctree)/scripts/namespace.pl $(PERL) $(srctree)/scripts/namespace.pl
......
checker-help:
@echo ' coccicheck - Check with Coccinelle.'
#!/bin/sh
SPATCH="`which ${SPATCH:=spatch}`"
if [ ! -x "$SPATCH" ]; then
echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
exit 1
fi
if [ "$MODE" = "" ] ; then
echo 'You have not explicitly specify the mode to use. Fallback to "report".'
echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
echo 'Available modes are: report, patch, context, org'
MODE="report"
fi
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 ''
function coccinelle {
COCCI="$1"
DIR="$2"
OPT=`grep "Option" $COCCI | cut -d':' -f2`
FILE=`echo $COCCI | sed "s|$DIR/||"`
echo "Processing `basename $COCCI` with option(s) \"$OPT\""
echo 'Message example to submit a patch:'
sed -e '/\/\/\//!d' -e 's|^///||' $COCCI
echo ' The semantic patch that makes this change is available'
echo " in $FILE."
echo ''
echo ' More information about semantic patching is available at'
echo ' http://coccinelle.lip6.fr/'
echo ''
# The option '-parse_cocci' can be used to syntaxically check the SmPL files.
#
# $SPATCH -D $MODE -very_quiet -parse_cocci $COCCI $OPT > /dev/null
$SPATCH -D $MODE -very_quiet -sp_file $COCCI $OPT -dir $DIR
}
if [ "$COCCI" = "" ] ; then
for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
coccinelle $f $srctree;
done
else
coccinelle $COCCI $srctree
fi
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