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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-27 12:27:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-27 12:27:18 -0800
commitad60a9333035f2323840b71ab8ad07bbab728faf (patch)
treec0bee7557b62a0c1c26ede9cb26f1a1785cfd04c /scripts
parent0ca7ffb356063c5ece847687da457dfe748612a2 (diff)
parent24f0c2d6ff859fbca45fd765f0d241528bdb4365 (diff)
downloadlinux-ad60a9333035f2323840b71ab8ad07bbab728faf.tar.gz
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc non-critical kbuild changes from Michal Marek: - Fix for make TAGS - Fix for make rpm - Some new coccinelle semantic patches * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/coccinelle: find constant additions that could be bit ors coccicheck: Allow to show the executed command line coccicheck: Allow the user to give a V= (verbose) argument scripts/coccinelle/misc/memcpy-assign.cocci: Replace memcpy with struct assignment kbuild: clear KBUILD_SRC when calling 'make' in RPM spec scripts/coccinelle/misc/semicolon.cocci: Add unneeded semicolon test scripts/tags.sh: Fix regex syntax for etags
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/coccicheck39
-rw-r--r--scripts/coccinelle/misc/memcpy-assign.cocci103
-rw-r--r--scripts/coccinelle/misc/orplus.cocci55
-rw-r--r--scripts/coccinelle/misc/semicolon.cocci83
-rwxr-xr-xscripts/package/mkspec2
-rwxr-xr-xscripts/tags.sh50
6 files changed, 298 insertions, 34 deletions
diff --git a/scripts/coccicheck b/scripts/coccicheck
index 1a49d1c7ecf..85d31899ad9 100755
--- a/scripts/coccicheck
+++ b/scripts/coccicheck
@@ -2,6 +2,15 @@
SPATCH="`which ${SPATCH:=spatch}`"
+# The verbosity may be set by the environmental parameter V=
+# as for example with 'make V=1 coccicheck'
+
+if [ -n "$V" -a "$V" != "0" ]; then
+ VERBOSE=1
+else
+ VERBOSE=0
+fi
+
if [ "$C" = "1" -o "$C" = "2" ]; then
ONLINE=1
@@ -46,6 +55,14 @@ if [ "$ONLINE" = "0" ] ; then
echo ''
fi
+run_cmd() {
+ if [ $VERBOSE -ne 0 ] ; then
+ echo "Running: $@"
+ fi
+ eval $@
+}
+
+
coccinelle () {
COCCI="$1"
@@ -55,7 +72,7 @@ coccinelle () {
#
# $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
- if [ "$ONLINE" = "0" ] ; then
+ if [ $VERBOSE -ne 0 ] ; then
FILE=`echo $COCCI | sed "s|$srctree/||"`
@@ -91,15 +108,21 @@ coccinelle () {
fi
if [ "$MODE" = "chain" ] ; then
- $SPATCH -D patch $FLAGS -sp_file $COCCI $OPT $OPTIONS || \
- $SPATCH -D report $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
- $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS || \
- $SPATCH -D org $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
+ run_cmd $SPATCH -D patch \
+ $FLAGS -sp_file $COCCI $OPT $OPTIONS || \
+ run_cmd $SPATCH -D report \
+ $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
+ run_cmd $SPATCH -D context \
+ $FLAGS -sp_file $COCCI $OPT $OPTIONS || \
+ run_cmd $SPATCH -D org \
+ $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
elif [ "$MODE" = "rep+ctxt" ] ; then
- $SPATCH -D report $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff && \
- $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
+ run_cmd $SPATCH -D report \
+ $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff && \
+ run_cmd $SPATCH -D context \
+ $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
else
- $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
+ run_cmd $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
fi
}
diff --git a/scripts/coccinelle/misc/memcpy-assign.cocci b/scripts/coccinelle/misc/memcpy-assign.cocci
new file mode 100644
index 00000000000..afd058be497
--- /dev/null
+++ b/scripts/coccinelle/misc/memcpy-assign.cocci
@@ -0,0 +1,103 @@
+//
+// Replace memcpy with struct assignment.
+//
+// Confidence: High
+// Copyright: (C) 2012 Peter Senna Tschudin, INRIA/LIP6. GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: --no-includes --include-headers
+
+virtual patch
+virtual report
+virtual context
+virtual org
+
+@r1 depends on !patch@
+identifier struct_name;
+struct struct_name to;
+struct struct_name from;
+struct struct_name *top;
+struct struct_name *fromp;
+position p;
+@@
+memcpy@p(\(&(to)\|top\), \(&(from)\|fromp\), \(sizeof(to)\|sizeof(from)\|sizeof(struct struct_name)\|sizeof(*top)\|sizeof(*fromp)\))
+
+@script:python depends on report@
+p << r1.p;
+@@
+coccilib.report.print_report(p[0],"Replace memcpy with struct assignment")
+
+@depends on context@
+position r1.p;
+@@
+*memcpy@p(...);
+
+@script:python depends on org@
+p << r1.p;
+@@
+cocci.print_main("Replace memcpy with struct assignment",p)
+
+@depends on patch@
+identifier struct_name;
+struct struct_name to;
+struct struct_name from;
+@@
+(
+-memcpy(&(to), &(from), sizeof(to));
++to = from;
+|
+-memcpy(&(to), &(from), sizeof(from));
++to = from;
+|
+-memcpy(&(to), &(from), sizeof(struct struct_name));
++to = from;
+)
+
+@depends on patch@
+identifier struct_name;
+struct struct_name to;
+struct struct_name *from;
+@@
+(
+-memcpy(&(to), from, sizeof(to));
++to = *from;
+|
+-memcpy(&(to), from, sizeof(*from));
++to = *from;
+|
+-memcpy(&(to), from, sizeof(struct struct_name));
++to = *from;
+)
+
+@depends on patch@
+identifier struct_name;
+struct struct_name *to;
+struct struct_name from;
+@@
+(
+-memcpy(to, &(from), sizeof(*to));
++ *to = from;
+|
+-memcpy(to, &(from), sizeof(from));
++ *to = from;
+|
+-memcpy(to, &(from), sizeof(struct struct_name));
++ *to = from;
+)
+
+@depends on patch@
+identifier struct_name;
+struct struct_name *to;
+struct struct_name *from;
+@@
+(
+-memcpy(to, from, sizeof(*to));
++ *to = *from;
+|
+-memcpy(to, from, sizeof(*from));
++ *to = *from;
+|
+-memcpy(to, from, sizeof(struct struct_name));
++ *to = *from;
+)
+
diff --git a/scripts/coccinelle/misc/orplus.cocci b/scripts/coccinelle/misc/orplus.cocci
new file mode 100644
index 00000000000..4a28cef1484
--- /dev/null
+++ b/scripts/coccinelle/misc/orplus.cocci
@@ -0,0 +1,55 @@
+/// Check for constants that are added but are used elsewhere as bitmasks
+/// The results should be checked manually to ensure that the nonzero
+/// bits in the two constants are actually disjoint.
+///
+// Confidence: Moderate
+// Copyright: (C) 2013 Julia Lawall, INRIA/LIP6. GPLv2.
+// Copyright: (C) 2013 Gilles Muller, INRIA/LIP6. GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual org
+virtual report
+virtual context
+
+@r@
+constant c;
+identifier i;
+expression e;
+@@
+
+(
+e | c@i
+|
+e & c@i
+|
+e |= c@i
+|
+e &= c@i
+)
+
+@s@
+constant r.c,c1;
+identifier i1;
+position p;
+@@
+
+(
+ c1 + c - 1
+|
+*c1@i1 +@p c
+)
+
+@script:python depends on org@
+p << s.p;
+@@
+
+cocci.print_main("sum of probable bitmasks, consider |",p)
+
+@script:python depends on report@
+p << s.p;
+@@
+
+msg = "WARNING: sum of probable bitmasks, consider |"
+coccilib.report.print_report(p[0],msg)
diff --git a/scripts/coccinelle/misc/semicolon.cocci b/scripts/coccinelle/misc/semicolon.cocci
new file mode 100644
index 00000000000..a47eba2edc9
--- /dev/null
+++ b/scripts/coccinelle/misc/semicolon.cocci
@@ -0,0 +1,83 @@
+///
+/// Removes unneeded semicolon.
+///
+// Confidence: Moderate
+// Copyright: (C) 2012 Peter Senna Tschudin, INRIA/LIP6. GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments: Some false positives on empty default cases in switch statements.
+// Options: --no-includes --include-headers
+
+virtual patch
+virtual report
+virtual context
+virtual org
+
+@r_default@
+position p;
+@@
+switch (...)
+{
+default: ...;@p
+}
+
+@r_case@
+position p;
+@@
+(
+switch (...)
+{
+case ...:;@p
+}
+|
+switch (...)
+{
+case ...:...
+case ...:;@p
+}
+|
+switch (...)
+{
+case ...:...
+case ...:
+case ...:;@p
+}
+)
+
+@r1@
+statement S;
+position p1;
+position p != {r_default.p, r_case.p};
+identifier label;
+@@
+(
+label:;
+|
+S@p1;@p
+)
+
+@script:python@
+p << r1.p;
+p1 << r1.p1;
+@@
+if p[0].line != p1[0].line_end:
+ cocci.include_match(False)
+
+@depends on patch@
+position r1.p;
+@@
+-;@p
+
+@script:python depends on report@
+p << r1.p;
+@@
+coccilib.report.print_report(p[0],"Unneeded semicolon")
+
+@depends on context@
+position r1.p;
+@@
+*;@p
+
+@script:python depends on org@
+p << r1.p;
+@@
+cocci.print_main("Unneeded semicolon",p)
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 4bf17ddf7c7..fbbfd08853d 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -95,7 +95,7 @@ echo 'cp $KBUILD_IMAGE $RPM_BUILD_ROOT'"/boot/vmlinuz-$KERNELRELEASE"
echo "%endif"
echo "%endif"
-echo 'make %{?_smp_mflags} INSTALL_HDR_PATH=$RPM_BUILD_ROOT/usr headers_install'
+echo 'make %{?_smp_mflags} INSTALL_HDR_PATH=$RPM_BUILD_ROOT/usr KBUILD_SRC= headers_install'
echo 'cp System.map $RPM_BUILD_ROOT'"/boot/System.map-$KERNELRELEASE"
echo 'cp .config $RPM_BUILD_ROOT'"/boot/config-$KERNELRELEASE"
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 65f9595acea..26a87e68afe 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -217,34 +217,34 @@ exuberant()
emacs()
{
all_target_sources | xargs $1 -a \
- --regex='/^(ENTRY|_GLOBAL)(\([^)]*\)).*/\2/' \
+ --regex='/^\(ENTRY\|_GLOBAL\)(\([^)]*\)).*/\2/' \
--regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \
--regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \
--regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \
- --regex='/PAGEFLAG\(([^,)]*).*/Page\1/' \
- --regex='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \
- --regex='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \
- --regex='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \
- --regex='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \
- --regex='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \
- --regex='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \
- --regex='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
- --regex='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \
- --regex='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \
- --regex='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
- --regex='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \
- --regex='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \
- --regex='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \
- --regex='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \
- --regex='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \
- --regex='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \
- --regex='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \
- --regex='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \
- --regex='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \
- --regex='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \
- --regex='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \
- --regex='/PCI_OP_READ\(([a-z]*[a-z]).*[1-4]\)/pci_bus_read_config_\1/' \
- --regex='/PCI_OP_WRITE\(([a-z]*[a-z]).*[1-4]\)/pci_bus_write_config_\1/'
+ --regex='/PAGEFLAG(\([^,)]*\).*/Page\1/' \
+ --regex='/PAGEFLAG(\([^,)]*\).*/SetPage\1/' \
+ --regex='/PAGEFLAG(\([^,)]*\).*/ClearPage\1/' \
+ --regex='/TESTSETFLAG(\([^,)]*\).*/TestSetPage\1/' \
+ --regex='/TESTPAGEFLAG(\([^,)]*\).*/Page\1/' \
+ --regex='/SETPAGEFLAG(\([^,)]*\).*/SetPage\1/' \
+ --regex='/__SETPAGEFLAG(\([^,)]*\).*/__SetPage\1/' \
+ --regex='/TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \
+ --regex='/__TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \
+ --regex='/CLEARPAGEFLAG(\([^,)]*\).*/ClearPage\1/' \
+ --regex='/__CLEARPAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \
+ --regex='/__PAGEFLAG(\([^,)]*\).*/__SetPage\1/' \
+ --regex='/__PAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \
+ --regex='/PAGEFLAG_FALSE(\([^,)]*\).*/Page\1/' \
+ --regex='/TESTSCFLAG(\([^,)]*\).*/TestSetPage\1/' \
+ --regex='/TESTSCFLAG(\([^,)]*\).*/TestClearPage\1/' \
+ --regex='/SETPAGEFLAG_NOOP(\([^,)]*\).*/SetPage\1/' \
+ --regex='/CLEARPAGEFLAG_NOOP(\([^,)]*\).*/ClearPage\1/' \
+ --regex='/__CLEARPAGEFLAG_NOOP(\([^,)]*\).*/__ClearPage\1/' \
+ --regex='/TESTCLEARFLAG_FALSE(\([^,)]*\).*/TestClearPage\1/' \
+ --regex='/__TESTCLEARFLAG_FALSE(\([^,)]*\).*/__TestClearPage\1/' \
+ --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/' \
+ --regex='/PCI_OP_READ(\([a-z]*[a-z]\).*[1-4])/pci_bus_read_config_\1/' \
+ --regex='/PCI_OP_WRITE(\([a-z]*[a-z]\).*[1-4])/pci_bus_write_config_\1/'
all_kconfigs | xargs $1 -a \
--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'