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-rw-r--r--scripts/.gitignore1
-rw-r--r--scripts/Kbuild.include11
-rw-r--r--scripts/Makefile.modpost11
-rwxr-xr-xscripts/checkpatch.pl500
-rwxr-xr-xscripts/checkstack.pl2
-rw-r--r--scripts/kallsyms.c61
-rwxr-xr-xscripts/kernel-doc13
-rw-r--r--scripts/mod/modpost.c201
-rw-r--r--scripts/mod/modpost.h3
-rw-r--r--scripts/package/builddeb3
10 files changed, 638 insertions, 168 deletions
diff --git a/scripts/.gitignore b/scripts/.gitignore
index a1f52cb4720..b939fbd0119 100644
--- a/scripts/.gitignore
+++ b/scripts/.gitignore
@@ -6,3 +6,4 @@ kallsyms
pnmtologo
bin2c
unifdef
+binoffset
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index b96ea8d6a5e..d64e6badc94 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -39,15 +39,22 @@ escsq = $(subst $(squote),'\$(squote)',$1)
# - If they are equal no change, and no timestamp update
# - stdin is piped in from the first prerequisite ($<) so one has
# to specify a valid file as first prerequisite (often the kbuild file)
+ chk_filechk = :
+ quiet_chk_filechk = echo ' CHK $@'
+silent_chk_filechk = :
+ upd_filechk = :
+ quiet_upd_filechk = echo ' UPD $@'
+silent_upd_filechk = :
+
define filechk
$(Q)set -e; \
- echo ' CHK $@'; \
+ $($(quiet)chk_filechk); \
mkdir -p $(dir $@); \
$(filechk_$(1)) < $< > $@.tmp; \
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
rm -f $@.tmp; \
else \
- echo ' UPD $@'; \
+ $($(quiet)upd_filechk); \
mv -f $@.tmp $@; \
fi
endef
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 65e707e1ffc..cfc004e0441 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -13,6 +13,7 @@
# 2) modpost is then used to
# 3) create one <module>.mod.c file pr. module
# 4) create one Module.symvers file with CRC for all exported symbols
+# 4a) [CONFIG_MARKERS] create one Module.markers file listing defined markers
# 5) compile all <module>.mod.c files
# 6) final link of the module to a <module.ko> file
@@ -45,6 +46,10 @@ include scripts/Makefile.lib
kernelsymfile := $(objtree)/Module.symvers
modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers
+kernelmarkersfile := $(objtree)/Module.markers
+modulemarkersfile := $(firstword $(KBUILD_EXTMOD))/Module.markers
+
+markersfile = $(if $(KBUILD_EXTMOD),$(modulemarkersfile),$(kernelmarkersfile))
# Step 1), find all modules listed in $(MODVERDIR)/
__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
@@ -63,6 +68,8 @@ modpost = scripts/mod/modpost \
$(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \
$(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
$(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S) \
+ $(if $(CONFIG_MARKERS),-K $(kernelmarkersfile)) \
+ $(if $(CONFIG_MARKERS),-M $(markersfile)) \
$(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w)
quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules
@@ -82,6 +89,10 @@ vmlinux.o: FORCE
$(symverfile): __modpost ;
$(modules:.ko=.mod.c): __modpost ;
+ifdef CONFIG_MARKERS
+$(markersfile): __modpost ;
+endif
+
# Step 5), compile all *.mod.c files
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 579f50fa838..2086a856400 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -9,7 +9,7 @@ use strict;
my $P = $0;
$P =~ s@.*/@@g;
-my $V = '0.12';
+my $V = '0.14';
use Getopt::Long qw(:config no_auto_abbrev);
@@ -24,13 +24,14 @@ my $file = 0;
my $check = 0;
my $summary = 1;
my $mailback = 0;
+my $summary_file = 0;
my $root;
+my %debug;
GetOptions(
'q|quiet+' => \$quiet,
'tree!' => \$tree,
'signoff!' => \$chk_signoff,
'patch!' => \$chk_patch,
- 'test-type!' => \$tst_type,
'emacs!' => \$emacs,
'terse!' => \$terse,
'file!' => \$file,
@@ -39,6 +40,10 @@ GetOptions(
'root=s' => \$root,
'summary!' => \$summary,
'mailback!' => \$mailback,
+ 'summary-file!' => \$summary_file,
+
+ 'debug=s' => \%debug,
+ 'test-type!' => \$tst_type,
) or exit;
my $exit = 0;
@@ -46,16 +51,24 @@ my $exit = 0;
if ($#ARGV < 0) {
print "usage: $P [options] patchfile\n";
print "version: $V\n";
- print "options: -q => quiet\n";
- print " --no-tree => run without a kernel tree\n";
- print " --terse => one line per report\n";
- print " --emacs => emacs compile window format\n";
- print " --file => check a source file\n";
- print " --strict => enable more subjective tests\n";
- print " --root => path to the kernel tree root\n";
+ print "options: -q => quiet\n";
+ print " --no-tree => run without a kernel tree\n";
+ print " --terse => one line per report\n";
+ print " --emacs => emacs compile window format\n";
+ print " --file => check a source file\n";
+ print " --strict => enable more subjective tests\n";
+ print " --root => path to the kernel tree root\n";
+ print " --no-summary => suppress the per-file summary\n";
+ print " --summary-file => include the filename in summary\n";
exit(1);
}
+my $dbg_values = 0;
+my $dbg_possible = 0;
+for my $key (keys %debug) {
+ eval "\${dbg_$key} = '$debug{$key}';"
+}
+
if ($terse) {
$emacs = 1;
$quiet++;
@@ -110,7 +123,7 @@ our $Assignment = qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)};
our $Operators = qr{
<=|>=|==|!=|
=>|->|<<|>>|<|>|!|~|
- &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/
+ &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%
}x;
our $NonptrType;
@@ -152,7 +165,7 @@ sub build_types {
$Type = qr{
\b$NonptrType\b
(?:\s*\*+\s*const|\s*\*+|(?:\s*\[\s*\])+)?
- (?:\s+$Sparse|\s+$Attribute)*
+ (?:\s+$Inline|\s+$Sparse|\s+$Attribute)*
}x;
$Declare = qr{(?:$Storage\s+)?$Type};
}
@@ -181,6 +194,8 @@ if ($tree && -f "$root/$removal") {
}
my @rawlines = ();
+my @lines = ();
+my $vname;
for my $filename (@ARGV) {
if ($file) {
open(FILE, "diff -u /dev/null $filename|") ||
@@ -189,15 +204,21 @@ for my $filename (@ARGV) {
open(FILE, "<$filename") ||
die "$P: $filename: open failed - $!\n";
}
+ if ($filename eq '-') {
+ $vname = 'Your patch';
+ } else {
+ $vname = $filename;
+ }
while (<FILE>) {
chomp;
push(@rawlines, $_);
}
close(FILE);
- if (!process($filename, @rawlines)) {
+ if (!process($filename)) {
$exit = 1;
}
@rawlines = ();
+ @lines = ();
}
exit($exit);
@@ -274,20 +295,30 @@ sub sanitise_line {
my $l = '';
my $quote = '';
+ my $qlen = 0;
foreach my $c (split(//, $line)) {
+ # The second backslash of a pair is not a "quote".
+ if ($l eq "\\" && $c eq "\\") {
+ $c = 'X';
+ }
if ($l ne "\\" && ($c eq "'" || $c eq '"')) {
if ($quote eq '') {
$quote = $c;
$res .= $c;
$l = $c;
+ $qlen = 0;
next;
} elsif ($quote eq $c) {
$quote = '';
}
}
+ if ($quote eq "'" && $qlen > 1) {
+ $quote = '';
+ }
if ($quote && $c ne "\t") {
$res .= "X";
+ $qlen++;
} else {
$res .= $c;
}
@@ -295,6 +326,28 @@ sub sanitise_line {
$l = $c;
}
+ # Clear out the comments.
+ while ($res =~ m@(/\*.*?\*/)@g) {
+ substr($res, $-[1], $+[1] - $-[1]) = $; x ($+[1] - $-[1]);
+ }
+ if ($res =~ m@(/\*.*)@) {
+ substr($res, $-[1], $+[1] - $-[1]) = $; x ($+[1] - $-[1]);
+ }
+ if ($res =~ m@^.(.*\*/)@) {
+ substr($res, $-[1], $+[1] - $-[1]) = $; x ($+[1] - $-[1]);
+ }
+
+ # The pathname on a #include may be surrounded by '<' and '>'.
+ if ($res =~ /^.#\s*include\s+\<(.*)\>/) {
+ my $clean = 'X' x length($1);
+ $res =~ s@\<.*\>@<$clean>@;
+
+ # The whole of a #error is a string.
+ } elsif ($res =~ /^.#\s*(?:error|warning)\s+(.*)\b/) {
+ my $clean = 'X' x length($1);
+ $res =~ s@(#\s*(?:error|warning)\s+).*@$1$clean@;
+ }
+
return $res;
}
@@ -305,30 +358,36 @@ sub ctx_statement_block {
my $soff = $off;
my $coff = $off - 1;
+ my $loff = 0;
+
my $type = '';
my $level = 0;
my $c;
my $len = 0;
+
+ my $remainder;
while (1) {
#warn "CSB: blk<$blk>\n";
# If we are about to drop off the end, pull in more
# context.
if ($off >= $len) {
for (; $remain > 0; $line++) {
- next if ($rawlines[$line] =~ /^-/);
+ next if ($lines[$line] =~ /^-/);
$remain--;
- $blk .= sanitise_line($rawlines[$line]) . "\n";
+ $loff = $len;
+ $blk .= $lines[$line] . "\n";
$len = length($blk);
$line++;
last;
}
# Bail if there is no further context.
#warn "CSB: blk<$blk> off<$off> len<$len>\n";
- if ($off == $len) {
+ if ($off >= $len) {
last;
}
}
$c = substr($blk, $off, 1);
+ $remainder = substr($blk, $off);
#warn "CSB: c<$c> type<$type> level<$level>\n";
# Statement ends at the ';' or a close '}' at the
@@ -337,6 +396,12 @@ sub ctx_statement_block {
last;
}
+ # An else is really a conditional as long as its not else if
+ if ($level == 0 && $remainder =~ /(\s+else)(?:\s|{)/ &&
+ $remainder !~ /\s+else\s+if\b/) {
+ $coff = $off + length($1);
+ }
+
if (($type eq '' || $type eq '(') && $c eq '(') {
$level++;
$type = '(';
@@ -363,6 +428,10 @@ sub ctx_statement_block {
}
$off++;
}
+ if ($off == $len) {
+ $line++;
+ $remain--;
+ }
my $statement = substr($blk, $soff, $off - $soff + 1);
my $condition = substr($blk, $soff, $coff - $soff + 1);
@@ -370,7 +439,30 @@ sub ctx_statement_block {
#warn "STATEMENT<$statement>\n";
#warn "CONDITION<$condition>\n";
- return ($statement, $condition);
+ #print "off<$off> loff<$loff>\n";
+
+ return ($statement, $condition,
+ $line, $remain + 1, $off - $loff + 1, $level);
+}
+
+sub ctx_statement_full {
+ my ($linenr, $remain, $off) = @_;
+ my ($statement, $condition, $level);
+
+ my (@chunks);
+
+ ($statement, $condition, $linenr, $remain, $off, $level) =
+ ctx_statement_block($linenr, $remain, $off);
+ #print "F: c<$condition> s<$statement>\n";
+ for (;;) {
+ push(@chunks, [ $condition, $statement ]);
+ last if (!($remain > 0 && $condition =~ /^.\s*(?:if|else|do)/));
+ ($statement, $condition, $linenr, $remain, $off, $level) =
+ ctx_statement_block($linenr, $remain, $off);
+ #print "C: c<$condition> s<$statement>\n";
+ }
+
+ return ($level, $linenr, @chunks);
}
sub ctx_block_get {
@@ -500,103 +592,110 @@ sub cat_vet {
return $res;
}
+my $av_preprocessor = 0;
+my $av_paren = 0;
+my @av_paren_type;
+
+sub annotate_reset {
+ $av_preprocessor = 0;
+ $av_paren = 0;
+ @av_paren_type = ();
+}
+
sub annotate_values {
my ($stream, $type) = @_;
my $res;
my $cur = $stream;
- my $debug = 0;
-
- print "$stream\n" if ($debug);
-
- ##my $type = 'N';
- my $pos = 0;
- my $preprocessor = 0;
- my $paren = 0;
- my @paren_type;
+ print "$stream\n" if ($dbg_values > 1);
while (length($cur)) {
- print " <$type> " if ($debug);
+ print " <$type> " if ($dbg_values > 1);
if ($cur =~ /^(\s+)/o) {
- print "WS($1)\n" if ($debug);
- if ($1 =~ /\n/ && $preprocessor) {
- $preprocessor = 0;
+ print "WS($1)\n" if ($dbg_values > 1);
+ if ($1 =~ /\n/ && $av_preprocessor) {
+ $av_preprocessor = 0;
$type = 'N';
}
} elsif ($cur =~ /^($Type)/) {
- print "DECLARE($1)\n" if ($debug);
+ print "DECLARE($1)\n" if ($dbg_values > 1);
$type = 'T';
} elsif ($cur =~ /^(#\s*define\s*$Ident)(\(?)/o) {
- print "DEFINE($1)\n" if ($debug);
- $preprocessor = 1;
- $paren_type[$paren] = 'N';
+ print "DEFINE($1)\n" if ($dbg_values > 1);
+ $av_preprocessor = 1;
+ $av_paren_type[$av_paren] = 'N';
- } elsif ($cur =~ /^(#\s*(?:ifdef|ifndef|if|else|endif))/o) {
- print "PRE($1)\n" if ($debug);
- $preprocessor = 1;
+ } elsif ($cur =~ /^(#\s*(?:ifdef|ifndef|if|else|elif|endif))/o) {
+ print "PRE($1)\n" if ($dbg_values > 1);
+ $av_preprocessor = 1;
$type = 'N';
} elsif ($cur =~ /^(\\\n)/o) {
- print "PRECONT($1)\n" if ($debug);
+ print "PRECONT($1)\n" if ($dbg_values > 1);
} elsif ($cur =~ /^(sizeof)\s*(\()?/o) {
- print "SIZEOF($1)\n" if ($debug);
+ print "SIZEOF($1)\n" if ($dbg_values > 1);
if (defined $2) {
- $paren_type[$paren] = 'V';
+ $av_paren_type[$av_paren] = 'V';
}
$type = 'N';
- } elsif ($cur =~ /^(if|while|typeof|for)\b/o) {
- print "COND($1)\n" if ($debug);
- $paren_type[$paren] = 'N';
+ } elsif ($cur =~ /^(if|while|typeof|__typeof__|for)\b/o) {
+ print "COND($1)\n" if ($dbg_values > 1);
+ $av_paren_type[$av_paren] = 'N';
$type = 'N';
} elsif ($cur =~/^(return|case|else)/o) {
- print "KEYWORD($1)\n" if ($debug);
+ print "KEYWORD($1)\n" if ($dbg_values > 1);
$type = 'N';
} elsif ($cur =~ /^(\()/o) {
- print "PAREN('$1')\n" if ($debug);
- $paren++;
+ print "PAREN('$1')\n" if ($dbg_values > 1);
+ $av_paren++;
$type = 'N';
} elsif ($cur =~ /^(\))/o) {
- $paren-- if ($paren > 0);
- if (defined $paren_type[$paren]) {
- $type = $paren_type[$paren];
- undef $paren_type[$paren];
- print "PAREN('$1') -> $type\n" if ($debug);
+ $av_paren-- if ($av_paren > 0);
+ if (defined $av_paren_type[$av_paren]) {
+ $type = $av_paren_type[$av_paren];
+ undef $av_paren_type[$av_paren];
+ print "PAREN('$1') -> $type\n"
+ if ($dbg_values > 1);
} else {
- print "PAREN('$1')\n" if ($debug);
+ print "PAREN('$1')\n" if ($dbg_values > 1);
}
} elsif ($cur =~ /^($Ident)\(/o) {
- print "FUNC($1)\n" if ($debug);
- $paren_type[$paren] = 'V';
+ print "FUNC($1)\n" if ($dbg_values > 1);
+ $av_paren_type[$av_paren] = 'V';
} elsif ($cur =~ /^($Ident|$Constant)/o) {
- print "IDENT($1)\n" if ($debug);
+ print "IDENT($1)\n" if ($dbg_values > 1);
$type = 'V';
} elsif ($cur =~ /^($Assignment)/o) {
- print "ASSIGN($1)\n" if ($debug);
+ print "ASSIGN($1)\n" if ($dbg_values > 1);
$type = 'N';
+ } elsif ($cur =~/^(;)/) {
+ print "END($1)\n" if ($dbg_values > 1);
+ $type = 'E';
+
} elsif ($cur =~ /^(;|{|}|\?|:|\[)/o) {
- print "END($1)\n" if ($debug);
+ print "CLOSE($1)\n" if ($dbg_values > 1);
$type = 'N';
} elsif ($cur =~ /^($Operators)/o) {
- print "OP($1)\n" if ($debug);
+ print "OP($1)\n" if ($dbg_values > 1);
if ($1 ne '++' && $1 ne '--') {
$type = 'N';
}
} elsif ($cur =~ /(^.)/o) {
- print "C($1)\n" if ($debug);
+ print "C($1)\n" if ($dbg_values > 1);
}
if (defined $1) {
$cur = substr($cur, length($1));
@@ -608,7 +707,7 @@ sub annotate_values {
}
sub possible {
- my ($possible) = @_;
+ my ($possible, $line) = @_;
#print "CHECK<$possible>\n";
if ($possible !~ /^(?:$Storage|$Type|DEFINE_\S+)$/ &&
@@ -616,7 +715,7 @@ sub possible {
$possible ne 'struct' && $possible ne 'enum' &&
$possible ne 'case' && $possible ne 'else' &&
$possible ne 'typedef') {
- #print "POSSIBLE<$possible>\n";
+ warn "POSSIBLE: $possible ($line)\n" if ($dbg_possible);
push(@typeList, $possible);
build_types();
}
@@ -624,16 +723,15 @@ sub possible {
my $prefix = '';
-my @report = ();
sub report {
my $line = $prefix . $_[0];
$line = (split('\n', $line))[0] . "\n" if ($terse);
- push(@report, $line);
+ push(our @report, $line);
}
sub report_dump {
- @report;
+ our @report;
}
sub ERROR {
report("ERROR: $_[0]\n");
@@ -655,11 +753,12 @@ sub CHK {
sub process {
my $filename = shift;
- my @lines = @_;
my $linenr=0;
my $prevline="";
+ my $prevrawline="";
my $stashline="";
+ my $stashrawline="";
my $length;
my $indent;
@@ -670,6 +769,7 @@ sub process {
my $signoff = 0;
my $is_patch = 0;
+ our @report = ();
our $cnt_lines = 0;
our $cnt_error = 0;
our $cnt_warn = 0;
@@ -681,14 +781,29 @@ sub process {
my $realcnt = 0;
my $here = '';
my $in_comment = 0;
+ my $comment_edge = 0;
my $first_line = 0;
- my $prev_values = 'N';
+ my $prev_values = 'E';
+
+ # suppression flags
+ my $suppress_ifbraces = 0;
+ # Pre-scan the patch sanitizing the lines.
# Pre-scan the patch looking for any __setup documentation.
+ #
my @setup_docs = ();
my $setup_docs = 0;
- foreach my $line (@lines) {
+ my $line;
+ foreach my $rawline (@rawlines) {
+ # Standardise the strings and chars within the input to
+ # simplify matching.
+ $line = sanitise_line($rawline);
+ push(@lines, $line);
+
+ ##print "==>$rawline\n";
+ ##print "-->$line\n";
+
if ($line=~/^\+\+\+\s+(\S+)/) {
$setup_docs = 0;
if ($1 =~ m@Documentation/kernel-parameters.txt$@) {
@@ -707,8 +822,7 @@ sub process {
foreach my $line (@lines) {
$linenr++;
- my $rawline = $line;
-
+ my $rawline = $rawlines[$linenr - 1];
#extract the filename as it passes
if ($line=~/^\+\+\+\s+(\S+)/) {
@@ -728,7 +842,10 @@ sub process {
} else {
$realcnt=1+1;
}
- $prev_values = 'N';
+ annotate_reset();
+ $prev_values = 'E';
+
+ $suppress_ifbraces = $linenr - 1;
next;
}
@@ -746,7 +863,7 @@ sub process {
if ($linenr == $first_line) {
my $edge;
for (my $ln = $first_line; $ln < ($linenr + $realcnt); $ln++) {
- ($edge) = ($lines[$ln - 1] =~ m@(/\*|\*/)@);
+ ($edge) = ($rawlines[$ln - 1] =~ m@(/\*|\*/)@);
last if (defined $edge);
}
if (defined $edge && $edge eq '*/') {
@@ -757,25 +874,30 @@ sub process {
# Guestimate if this is a continuing comment. If this
# is the start of a diff block and this line starts
# ' *' then it is very likely a comment.
- if ($linenr == $first_line and $line =~ m@^.\s*\*@) {
+ if ($linenr == $first_line and $rawline =~ m@^.\s* \*(?:\s|$)@) {
$in_comment = 1;
}
# Find the last comment edge on _this_ line.
- while (($line =~ m@(/\*|\*/)@g)) {
+ $comment_edge = 0;
+ while (($rawline =~ m@(/\*|\*/)@g)) {
if ($1 eq '/*') {
$in_comment = 1;
} else {
$in_comment = 0;
}
+ $comment_edge = 1;
}
# Measure the line length and indent.
- ($length, $indent) = line_stats($line);
+ ($length, $indent) = line_stats($rawline);
# Track the previous line.
($prevline, $stashline) = ($stashline, $line);
($previndent, $stashindent) = ($stashindent, $indent);
+ ($prevrawline, $stashrawline) = ($stashrawline, $rawline);
+
+ #warn "ic<$in_comment> ce<$comment_edge> line<$line>\n";
} elsif ($realcnt == 1) {
$realcnt--;
@@ -786,9 +908,9 @@ sub process {
$here = "#$realline: " if ($file);
$here .= "FILE: $realfile:$realline:" if ($realcnt != 0);
- my $hereline = "$here\n$line\n";
- my $herecurr = "$here\n$line\n";
- my $hereprev = "$here\n$prevline\n$line\n";
+ my $hereline = "$here\n$rawline\n";
+ my $herecurr = "$here\n$rawline\n";
+ my $hereprev = "$here\n$prevrawline\n$rawline\n";
$prefix = "$filename:$realline: " if ($emacs && $file);
$prefix = "$filename:$linenr: " if ($emacs && !$file);
@@ -816,7 +938,7 @@ sub process {
# UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php
if (($realfile =~ /^$/ || $line =~ /^\+/) &&
- !($line =~ m/^(
+ !($rawline =~ m/^(
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
@@ -826,7 +948,7 @@ sub process {
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
)*$/x )) {
- ERROR("Invalid UTF-8\n" . $herecurr);
+ ERROR("Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $herecurr);
}
#ignore lines being removed
@@ -837,15 +959,15 @@ sub process {
#trailing whitespace
if ($line =~ /^\+.*\015/) {
- my $herevet = "$here\n" . cat_vet($line) . "\n";
+ my $herevet = "$here\n" . cat_vet($rawline) . "\n";
ERROR("DOS line endings\n" . $herevet);
- } elsif ($line =~ /^\+.*\S\s+$/ || $line =~ /^\+\s+$/) {
- my $herevet = "$here\n" . cat_vet($line) . "\n";
+ } elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) {
+ my $herevet = "$here\n" . cat_vet($rawline) . "\n";
ERROR("trailing whitespace\n" . $herevet);
}
#80 column limit
- if ($line =~ /^\+/ && !($prevline=~/\/\*\*/) && $length > 80) {
+ if ($line =~ /^\+/ && !($prevrawline=~/\/\*\*/) && $length > 80) {
WARN("line over 80 characters\n" . $herecurr);
}
@@ -859,46 +981,48 @@ sub process {
# at the beginning of a line any tabs must come first and anything
# more than 8 must use tabs.
- if ($line=~/^\+\s* \t\s*\S/ or $line=~/^\+\s* \s*/) {
- my $herevet = "$here\n" . cat_vet($line) . "\n";
+ if ($rawline =~ /^\+\s* \t\s*\S/ ||
+ $rawline =~ /^\+\s* \s*/) {
+ my $herevet = "$here\n" . cat_vet($rawline) . "\n";
ERROR("use tabs not spaces\n" . $herevet);
}
-# Remove comments from the line before processing.
- my $comment_edge = ($line =~ s@/\*.*\*/@@g) +
- ($line =~ s@/\*.*@@) +
- ($line =~ s@^(.).*\*/@$1@);
+# check for RCS/CVS revision markers
+ if ($rawline =~ /\$(Revision|Log|Id)(?:\$|)/) {
+ WARN("CVS style keyword markers, these will _not_ be updated\n". $herecurr);
+ }
# The rest of our checks refer specifically to C style
# only apply those _outside_ comments. Only skip
# lines in the middle of comments.
next if (!$comment_edge && $in_comment);
-# Standardise the strings and chars within the input to simplify matching.
- $line = sanitise_line($line);
-
# Check for potential 'bare' types
- if ($realcnt &&
- $line !~ /$Ident:\s*$/ &&
- ($line =~ /^.\s*$Ident\s*\(\*+\s*$Ident\)\s*\(/ ||
- $line !~ /^.\s*$Ident\s*\(/)) {
+ if ($realcnt) {
+ # Ignore goto labels.
+ if ($line =~ /$Ident:\*$/) {
+
+ # Ignore functions being called
+ } elsif ($line =~ /^.\s*$Ident\s*\(/) {
+
# definitions in global scope can only start with types
- if ($line =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b/) {
- possible($1);
+ } elsif ($line =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b/) {
+ possible($1, $line);
# declarations always start with types
- } elsif ($prev_values eq 'N' && $line =~ /^.\s*(?:$Storage\s+)?($Ident)\b\s*\**\s*$Ident\s*(?:;|=)/) {
+ } elsif ($prev_values eq 'E' && $line =~ /^.\s*(?:$Storage\s+)?(?:const\s+)?($Ident)\b(:?\s+$Sparse)?\s*\**\s*$Ident\s*(?:;|=|,)/) {
possible($1);
+ }
# any (foo ... *) is a pointer cast, and foo is a type
- } elsif ($line =~ /\(($Ident)(?:\s+$Sparse)*\s*\*+\s*\)/) {
- possible($1);
+ while ($line =~ /\(($Ident)(?:\s+$Sparse)*\s*\*+\s*\)/g) {
+ possible($1, $line);
}
# Check for any sort of function declaration.
# int foo(something bar, other baz);
# void (*store_gdt)(x86_descr_ptr *);
- if ($prev_values eq 'N' && $line =~ /^(.(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*(?:\b$Ident|\(\*\s*$Ident\))\s*)\(/) {
+ if ($prev_values eq 'E' && $line =~ /^(.(?:typedef\s*)?(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*(?:\b$Ident|\(\*\s*$Ident\))\s*)\(/) {
my ($name_len) = length($1);
my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, $name_len);
my $ctx = join("\n", @ctx);
@@ -909,7 +1033,7 @@ sub process {
for my $arg (split(/\s*,\s*/, $ctx)) {
if ($arg =~ /^(?:const\s+)?($Ident)(?:\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/ || $arg =~ /^($Ident)$/) {
- possible($1);
+ possible($1, $line);
}
}
}
@@ -974,8 +1098,11 @@ sub process {
my $opline = $line; $opline =~ s/^./ /;
my $curr_values = annotate_values($opline . "\n", $prev_values);
$curr_values = $prev_values . $curr_values;
- #warn "--> $opline\n";
- #warn "--> $curr_values ($prev_values)\n";
+ if ($dbg_values) {
+ my $outline = $opline; $outline =~ s/\t/ /g;
+ warn "--> .$outline\n";
+ warn "--> $curr_values\n";
+ }
$prev_values = substr($curr_values, -1);
#ignore lines not being added
@@ -1004,9 +1131,6 @@ sub process {
ERROR("malformed #include filename\n" .
$herecurr);
}
- # Sanitise this special form of string.
- $path = 'X' x length($path);
- $line =~ s{\<.*\>}{<$path>};
}
# no C99 // comments
@@ -1074,7 +1198,7 @@ sub process {
# }
if ($line =~ /\bLINUX_VERSION_CODE\b/) {
- WARN("LINUX_VERSION_CODE should be avoided, code should be for the version to which it is merged" . $herecurr);
+ WARN("LINUX_VERSION_CODE should be avoided, code should be for the version to which it is merged\n" . $herecurr);
}
# printk should use KERN_* levels. Note that follow on printk's on the
@@ -1102,7 +1226,7 @@ sub process {
# function brace can't be on same line, except for #defines of do while,
# or if closed on same line
- if (($line=~/$Type\s*[A-Za-z\d_]+\(.*\).* {/) and
+ if (($line=~/$Type\s*[A-Za-z\d_]+\(.*\).*\s{/) and
!($line=~/\#define.*do\s{/) and !($line=~/}/)) {
ERROR("open brace '{' following function declarations go on the next line\n" . $herecurr);
}
@@ -1115,8 +1239,22 @@ sub process {
# check for spaces between functions and their parentheses.
while ($line =~ /($Ident)\s+\(/g) {
- if ($1 !~ /^(?:if|for|while|switch|return|volatile|__volatile__|__attribute__|format|__extension__|Copyright|case)$/ &&
- $line !~ /$Type\s+\(/ && $line !~ /^.\#\s*define\b/) {
+ my $name = $1;
+ my $ctx = substr($line, 0, $-[1]);
+
+ # Ignore those directives where spaces _are_ permitted.
+ if ($name =~ /^(?:if|for|while|switch|return|volatile|__volatile__|__attribute__|format|__extension__|Copyright|case|__asm__)$/) {
+
+ # cpp #define statements have non-optional spaces, ie
+ # if there is a space between the name and the open
+ # parenthesis it is simply not a parameter group.
+ } elsif ($ctx =~ /^.\#\s*define\s*$/) {
+
+ # If this whole things ends with a type its most
+ # likely a typedef for a function.
+ } elsif ("$ctx$name" =~ /$Type$/) {
+
+ } else {
WARN("no space between function name and open parenthesis '('\n" . $herecurr);
}
}
@@ -1126,9 +1264,9 @@ sub process {
<<=|>>=|<=|>=|==|!=|
\+=|-=|\*=|\/=|%=|\^=|\|=|&=|
=>|->|<<|>>|<|>|=|!|~|
- &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/
+ &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%
}x;
- my @elements = split(/($ops|;)/, $opline);
+ my @elements = split(/($;+|$ops|;)/, $opline);
my $off = 0;
my $blank = copy_spacing($opline);
@@ -1188,8 +1326,15 @@ sub process {
# print "UNARY: <$op_left$op_type $is_unary $a:$op:$c> <$ca:$op:$cc> <$unary_ctx>\n";
#}
+ # Ignore operators passed as parameters.
+ if ($op_type ne 'V' &&
+ $ca =~ /\s$/ && $cc =~ /^\s*,/) {
+
+ # Ignore comments
+ } elsif ($op =~ /^$;+$/) {
+
# ; should have either the end of line or a space or \ after it
- if ($op eq ';') {
+ } elsif ($op eq ';') {
if ($ctx !~ /.x[WEB]/ && $cc !~ /^\\/ &&
$cc !~ /^;/) {
ERROR("need space after that '$op' $at\n" . $hereptr);
@@ -1231,7 +1376,7 @@ sub process {
if ($ctx !~ /[WOB]x[^W]/ && $ctx !~ /[^W]x[WOBE]/) {
ERROR("need space one side of that '$op' $at\n" . $hereptr);
}
- if ($ctx =~ /Wx./ && $cc =~ /^;/) {
+ if ($ctx =~ /WxB/ || ($ctx =~ /Wx./ && $cc =~ /^;/)) {
ERROR("no space before that '$op' $at\n" . $hereptr);
}
@@ -1239,7 +1384,8 @@ sub process {
} elsif ($op eq '<<' or $op eq '>>' or
$op eq '&' or $op eq '^' or $op eq '|' or
$op eq '+' or $op eq '-' or
- $op eq '*' or $op eq '/')
+ $op eq '*' or $op eq '/' or
+ $op eq '%')
{
if ($ctx !~ /VxV|WxW|VxE|WxE|VxO/) {
ERROR("need consistent spacing around '$op' $at\n" .
@@ -1303,7 +1449,7 @@ sub process {
$line !~ /for\s*\(\s+;/) {
ERROR("no space after that open parenthesis '('\n" . $herecurr);
}
- if ($line =~ /\s\)/ && $line !~ /^.\s*\)/ &&
+ if ($line =~ /(\s+)\)/ && $line !~ /^.\s*\)/ &&
$line !~ /for\s*\(.*;\s+\)/) {
ERROR("no space before that close parenthesis ')'\n" . $herecurr);
}
@@ -1324,23 +1470,41 @@ sub process {
my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0);
if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/) {
- ERROR("do not use assignment in if condition ($c)\n" . $herecurr);
+ ERROR("do not use assignment in if condition\n" . $herecurr);
}
# Find out what is on the end of the line after the
# conditional.
substr($s, 0, length($c)) = '';
$s =~ s/\n.*//g;
-
- if (length($c) && $s !~ /^\s*({|;|\/\*.*\*\/)?\s*\\*\s*$/) {
+ $s =~ s/$;//g; # Remove any comments
+ if (length($c) && $s !~ /^\s*({|;|)\s*\\*\s*$/) {
ERROR("trailing statements should be on next line\n" . $herecurr);
}
}
+# Check for bitwise tests written as boolean
+ if ($line =~ /
+ (?:
+ (?:\[|\(|\&\&|\|\|)
+ \s*0[xX][0-9]+\s*
+ (?:\&\&|\|\|)
+ |
+ (?:\&\&|\|\|)
+ \s*0[xX][0-9]+\s*
+ (?:\&\&|\|\||\)|\])
+ )/x)
+ {
+ WARN("boolean test with hexadecimal, perhaps just 1 \& or \|?\n" . $herecurr);
+ }
+
# if and else should not have general statements after it
- if ($line =~ /^.\s*(?:}\s*)?else\b(.*)/ &&
- $1 !~ /^\s*(?:\sif|{|\\|$)/) {
- ERROR("trailing statements should be on next line\n" . $herecurr);
+ if ($line =~ /^.\s*(?:}\s*)?else\b(.*)/) {
+ my $s = $1;
+ $s =~ s/$;//g; # Remove any comments
+ if ($s !~ /^\s*(?:\sif|(?:{|)\s*\\?\s*$)/) {
+ ERROR("trailing statements should be on next line\n" . $herecurr);
+ }
}
# Check for }<nl>else {, these must be at the same
@@ -1350,6 +1514,20 @@ sub process {
ERROR("else should follow close brace '}'\n" . $hereprev);
}
+ if ($prevline=~/}\s*$/ and $line=~/^.\s*while\s*/ and
+ $previndent == $indent) {
+ my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0);
+
+ # Find out what is on the end of the line after the
+ # conditional.
+ substr($s, 0, length($c)) = '';
+ $s =~ s/\n.*//g;
+
+ if ($s =~ /^\s*;/) {
+ ERROR("while should follow close brace '}'\n" . $hereprev);
+ }
+ }
+
#studly caps, commented out until figure out how to distinguish between use of existing and adding new
# if (($line=~/[\w_][a-z\d]+[A-Z]/) and !($line=~/print/)) {
# print "No studly caps, use _\n";
@@ -1419,7 +1597,48 @@ sub process {
}
# check for redundant bracing round if etc
- if ($line =~ /\b(if|while|for|else)\b/) {
+ if ($line =~ /(^.*)\bif\b/ && $1 !~ /else\s*$/) {
+ my ($level, $endln, @chunks) =
+ ctx_statement_full($linenr, $realcnt, 0);
+ #print "chunks<$#chunks> linenr<$linenr> endln<$endln> level<$level>\n";
+ if ($#chunks > 1 && $level == 0) {
+ my $allowed = 0;
+ my $seen = 0;
+ for my $chunk (@chunks) {
+ my ($cond, $block) = @{$chunk};
+
+ substr($block, 0, length($cond)) = '';
+
+ $seen++ if ($block =~ /^\s*{/);
+
+ $block =~ s/(^|\n)./$1/g;
+ $block =~ s/^\s*{//;
+ $block =~ s/}\s*$//;
+ $block =~ s/^\s*//;
+ $block =~ s/\s*$//;
+
+ my @lines = ($block =~ /\n/g);
+ my @statements = ($block =~ /;/g);
+
+ #print "cond<$cond> block<$block> lines<" . scalar(@lines) . "> statements<" . scalar(@statements) . "> seen<$seen> allowed<$allowed>\n";
+ if (scalar(@lines) != 0) {
+ $allowed = 1;
+ }
+ if ($block =~/\b(?:if|for|while)\b/) {
+ $allowed = 1;
+ }
+ if (scalar(@statements) > 1) {
+ $allowed = 1;
+ }
+ }
+ if ($seen && !$allowed) {
+ WARN("braces {} are not necessary for any arm of this statement\n" . $herecurr);
+ $suppress_ifbraces = $endln;
+ }
+ }
+ }
+ if ($linenr > $suppress_ifbraces &&
+ $line =~ /\b(if|while|for|else)\b/) {
# Locate the end of the opening statement.
my @control = ctx_statement($linenr, $realcnt, 0);
my $nr = $linenr + (scalar(@control) - 1);
@@ -1442,13 +1661,16 @@ sub process {
my $after = $1;
#print "block<" . join(' ', @block) . "><" . scalar(@block) . ">\n";
- #print "stmt<$stmt>\n\n";
+ #print "before<$before> stmt<$stmt> after<$after>\n\n";
# Count the newlines, if there is only one
# then the block should not have {}'s.
my @lines = ($stmt =~ /\n/g);
+ my @statements = ($stmt =~ /;/g);
#print "lines<" . scalar(@lines) . ">\n";
+ #print "statements<" . scalar(@statements) . ">\n";
if ($lvl == 0 && scalar(@lines) == 0 &&
+ scalar(@statements) < 2 &&
$stmt !~ /{/ && $stmt !~ /\bif\b/ &&
$before !~ /}/ && $after !~ /{/) {
my $herectx = "$here\n" . join("\n", @control, @block[1 .. $#block]) . "\n";
@@ -1557,6 +1779,17 @@ sub process {
if ($line =~ /\*\s*\)\s*k[czm]alloc\b/) {
WARN("unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n" . $herecurr);
}
+
+# check for gcc specific __FUNCTION__
+ if ($line =~ /__FUNCTION__/) {
+ WARN("__func__ should be used instead of gcc specific __FUNCTION__\n" . $herecurr);
+ }
+ }
+
+ # If we have no input at all, then there is nothing to report on
+ # so just keep quiet.
+ if ($#rawlines == -1) {
+ exit(0);
}
# In mailback mode only produce a report in the negative, for
@@ -1579,7 +1812,8 @@ sub process {
}
print report_dump();
- if ($summary) {
+ if ($summary && !($clean == 1 && $quiet == 1)) {
+ print "$filename " if ($summary_file);
print "total: $cnt_error errors, $cnt_warn warnings, " .
(($check)? "$cnt_chk checks, " : "") .
"$cnt_lines lines checked\n";
@@ -1587,12 +1821,22 @@ sub process {
}
if ($clean == 1 && $quiet == 0) {
- print "Your patch has no obvious style problems and is ready for submission.\n"
+ print "$vname has no obvious style problems and is ready for submission.\n"
}
if ($clean == 0 && $quiet == 0) {
- print "Your patch has style problems, please review. If any of these errors\n";
+ print "$vname has style problems, please review. If any of these errors\n";
print "are false positives report them to the maintainer, see\n";
print "CHECKPATCH in MAINTAINERS.\n";
}
+ print <<EOL if ($file == 1 && $quiet == 0);
+
+WARNING: Using --file mode. Please do not send patches to linux-kernel
+that change whole existing files if you did not significantly change most
+of the the file for other reasons anyways or just wrote the file newly
+from scratch. Pure code style patches have a significant cost in a
+quickly changing code base like Linux because they cause rejects
+with other changes.
+EOL
+
return $clean;
}
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index d716b76098b..340ad692051 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -2,7 +2,7 @@
# Check the stack usage of functions
#
-# Copyright Joern Engel <joern@wh.fh-wedel.de>
+# Copyright Joern Engel <joern@lazybastard.org>
# Inspired by Linus Torvalds
# Original idea maybe from Keith Owens
# s390 port and big speedup by Arnd Bergmann <arnd@bergmann-dalldorf.de>
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 1f11d848532..c912137f80e 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -31,17 +31,16 @@
#define KSYM_NAME_LEN 128
-
struct sym_entry {
unsigned long long addr;
unsigned int len;
+ unsigned int start_pos;
unsigned char *sym;
};
-
static struct sym_entry *table;
static unsigned int table_size, table_cnt;
-static unsigned long long _text, _stext, _etext, _sinittext, _einittext, _sextratext, _eextratext;
+static unsigned long long _text, _stext, _etext, _sinittext, _einittext;
static int all_symbols = 0;
static char symbol_prefix_char = '\0';
@@ -99,10 +98,6 @@ static int read_symbol(FILE *in, struct sym_entry *s)
_sinittext = s->addr;
else if (strcmp(sym, "_einittext") == 0)
_einittext = s->addr;
- else if (strcmp(sym, "_sextratext") == 0)
- _sextratext = s->addr;
- else if (strcmp(sym, "_eextratext") == 0)
- _eextratext = s->addr;
else if (toupper(stype) == 'A')
{
/* Keep these useful absolute symbols */
@@ -165,18 +160,18 @@ static int symbol_valid(struct sym_entry *s)
* and inittext sections are discarded */
if (!all_symbols) {
if ((s->addr < _stext || s->addr > _etext)
- && (s->addr < _sinittext || s->addr > _einittext)
- && (s->addr < _sextratext || s->addr > _eextratext))
+ && (s->addr < _sinittext || s->addr > _einittext))
return 0;
/* Corner case. Discard any symbols with the same value as
- * _etext _einittext or _eextratext; they can move between pass
- * 1 and 2 when the kallsyms data are added. If these symbols
- * move then they may get dropped in pass 2, which breaks the
- * kallsyms rules.
+ * _etext _einittext; they can move between pass 1 and 2 when
+ * the kallsyms data are added. If these symbols move then
+ * they may get dropped in pass 2, which breaks the kallsyms
+ * rules.
*/
- if ((s->addr == _etext && strcmp((char*)s->sym + offset, "_etext")) ||
- (s->addr == _einittext && strcmp((char*)s->sym + offset, "_einittext")) ||
- (s->addr == _eextratext && strcmp((char*)s->sym + offset, "_eextratext")))
+ if ((s->addr == _etext &&
+ strcmp((char *)s->sym + offset, "_etext")) ||
+ (s->addr == _einittext &&
+ strcmp((char *)s->sym + offset, "_einittext")))
return 0;
}
@@ -202,8 +197,10 @@ static void read_map(FILE *in)
exit (1);
}
}
- if (read_symbol(in, &table[table_cnt]) == 0)
+ if (read_symbol(in, &table[table_cnt]) == 0) {
+ table[table_cnt].start_pos = table_cnt;
table_cnt++;
+ }
}
}
@@ -506,6 +503,35 @@ static void optimize_token_table(void)
optimize_result();
}
+static int compare_symbols(const void *a, const void *b)
+{
+ const struct sym_entry *sa;
+ const struct sym_entry *sb;
+ int wa, wb;
+
+ sa = a;
+ sb = b;
+
+ /* sort by address first */
+ if (sa->addr > sb->addr)
+ return 1;
+ if (sa->addr < sb->addr)
+ return -1;
+
+ /* sort by "weakness" type */
+ wa = (sa->sym[0] == 'w') || (sa->sym[0] == 'W');
+ wb = (sb->sym[0] == 'w') || (sb->sym[0] == 'W');
+ if (wa != wb)
+ return wa - wb;
+
+ /* sort by initial order, so that other symbols are left undisturbed */
+ return sa->start_pos - sb->start_pos;
+}
+
+static void sort_symbols(void)
+{
+ qsort(table, table_cnt, sizeof(struct sym_entry), compare_symbols);
+}
int main(int argc, char **argv)
{
@@ -527,6 +553,7 @@ int main(int argc, char **argv)
usage();
read_map(stdin);
+ sort_symbols();
optimize_token_table();
write_src();
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index ec54f12f57b..26146cbaa50 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -218,6 +218,7 @@ sub usage {
print " [ -function funcname [ -function funcname ...] ]\n";
print " [ -nofunction funcname [ -nofunction funcname ...] ]\n";
print " c source file(s) > outputfile\n";
+ print " -v : verbose output, more warnings & other info listed\n";
exit 1;
}
@@ -1623,7 +1624,6 @@ sub dump_function($$) {
$prototype =~ s/^static +//;
$prototype =~ s/^extern +//;
- $prototype =~ s/^fastcall +//;
$prototype =~ s/^asmlinkage +//;
$prototype =~ s/^inline +//;
$prototype =~ s/^__inline__ +//;
@@ -1654,7 +1654,7 @@ sub dump_function($$) {
$prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
$prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
+ $prototype =~ m/^(\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
$prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
@@ -1881,6 +1881,13 @@ sub process_file($) {
} else {
$declaration_purpose = "";
}
+
+ if (($declaration_purpose eq "") && $verbose) {
+ print STDERR "Warning(${file}:$.): missing initial short description on line:\n";
+ print STDERR $_;
+ ++$warnings;
+ }
+
if ($identifier =~ m/^struct/) {
$decl_type = 'struct';
} elsif ($identifier =~ m/^union/) {
@@ -1907,7 +1914,7 @@ sub process_file($) {
$newsection = $1;
$newcontents = $2;
- if ($contents ne "") {
+ if (($contents ne "") && ($contents ne "\n")) {
if (!$in_doc_sect && $verbose) {
print STDERR "Warning(${file}:$.): contents before sections\n";
++$warnings;
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 5d546466e6b..61742771c65 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -11,6 +11,8 @@
* Usage: modpost vmlinux module1.o module2.o ...
*/
+#define _GNU_SOURCE
+#include <stdio.h>
#include <ctype.h>
#include "modpost.h"
#include "../../include/linux/license.h"
@@ -435,6 +437,8 @@ static int parse_elf(struct elf_info *info, const char *filename)
info->export_unused_gpl_sec = i;
else if (strcmp(secname, "__ksymtab_gpl_future") == 0)
info->export_gpl_future_sec = i;
+ else if (strcmp(secname, "__markers_strings") == 0)
+ info->markers_strings_sec = i;
if (sechdrs[i].sh_type != SHT_SYMTAB)
continue;
@@ -613,7 +617,7 @@ static const char *sym_name(struct elf_info *elf, Elf_Sym *sym)
if (sym)
return elf->strtab + sym->st_name;
else
- return "";
+ return "(unknown)";
}
static const char *sec_name(struct elf_info *elf, int shndx)
@@ -1102,7 +1106,7 @@ static int is_function(Elf_Sym *sym)
if (sym)
return ELF_ST_TYPE(sym->st_info) == STT_FUNC;
else
- return 0;
+ return -1;
}
/*
@@ -1120,24 +1124,31 @@ static void report_sec_mismatch(const char *modname, enum mismatch mismatch,
{
const char *from, *from_p;
const char *to, *to_p;
- from = from_is_func ? "function" : "variable";
- from_p = from_is_func ? "()" : "";
- to = to_is_func ? "function" : "variable";
- to_p = to_is_func ? "()" : "";
+
+ switch (from_is_func) {
+ case 0: from = "variable"; from_p = ""; break;
+ case 1: from = "function"; from_p = "()"; break;
+ default: from = "(unknown reference)"; from_p = ""; break;
+ }
+ switch (to_is_func) {
+ case 0: to = "variable"; to_p = ""; break;
+ case 1: to = "function"; to_p = "()"; break;
+ default: to = "(unknown reference)"; to_p = ""; break;
+ }
sec_mismatch_count++;
if (!sec_mismatch_verbose)
return;
- fprintf(stderr, "WARNING: %s(%s+0x%llx): Section mismatch in"
- " reference from the %s %s%s to the %s %s:%s%s\n",
- modname, fromsec, fromaddr, from, fromsym, from_p,
- to, tosec, tosym, to_p);
+ warn("%s(%s+0x%llx): Section mismatch in reference from the %s %s%s "
+ "to the %s %s:%s%s\n",
+ modname, fromsec, fromaddr, from, fromsym, from_p, to, tosec,
+ tosym, to_p);
switch (mismatch) {
case TEXT_TO_INIT:
fprintf(stderr,
- "The function %s %s() references\n"
+ "The function %s%s() references\n"
"the %s %s%s%s.\n"
"This is often because %s lacks a %s\n"
"annotation or the annotation of %s is wrong.\n",
@@ -1463,6 +1474,62 @@ static void check_sec_ref(struct module *mod, const char *modname,
}
}
+static void get_markers(struct elf_info *info, struct module *mod)
+{
+ const Elf_Shdr *sh = &info->sechdrs[info->markers_strings_sec];
+ const char *strings = (const char *) info->hdr + sh->sh_offset;
+ const Elf_Sym *sym, *first_sym, *last_sym;
+ size_t n;
+
+ if (!info->markers_strings_sec)
+ return;
+
+ /*
+ * First count the strings. We look for all the symbols defined
+ * in the __markers_strings section named __mstrtab_*. For
+ * these local names, the compiler puts a random .NNN suffix on,
+ * so the names don't correspond exactly.
+ */
+ first_sym = last_sym = NULL;
+ n = 0;
+ for (sym = info->symtab_start; sym < info->symtab_stop; sym++)
+ if (ELF_ST_TYPE(sym->st_info) == STT_OBJECT &&
+ sym->st_shndx == info->markers_strings_sec &&
+ !strncmp(info->strtab + sym->st_name,
+ "__mstrtab_", sizeof "__mstrtab_" - 1)) {
+ if (first_sym == NULL)
+ first_sym = sym;
+ last_sym = sym;
+ ++n;
+ }
+
+ if (n == 0)
+ return;
+
+ /*
+ * Now collect each name and format into a line for the output.
+ * Lines look like:
+ * marker_name vmlinux marker %s format %d
+ * The format string after the second \t can use whitespace.
+ */
+ mod->markers = NOFAIL(malloc(sizeof mod->markers[0] * n));
+ mod->nmarkers = n;
+
+ n = 0;
+ for (sym = first_sym; sym <= last_sym; sym++)
+ if (ELF_ST_TYPE(sym->st_info) == STT_OBJECT &&
+ sym->st_shndx == info->markers_strings_sec &&
+ !strncmp(info->strtab + sym->st_name,
+ "__mstrtab_", sizeof "__mstrtab_" - 1)) {
+ const char *name = strings + sym->st_value;
+ const char *fmt = strchr(name, '\0') + 1;
+ char *line = NULL;
+ asprintf(&line, "%s\t%s\t%s\n", name, mod->name, fmt);
+ NOFAIL(line);
+ mod->markers[n++] = line;
+ }
+}
+
static void read_symbols(char *modname)
{
const char *symname;
@@ -1514,6 +1581,8 @@ static void read_symbols(char *modname)
get_src_version(modname, mod->srcversion,
sizeof(mod->srcversion)-1);
+ get_markers(&info, mod);
+
parse_elf_finish(&info);
/* Our trick to get versioning for struct_module - it's
@@ -1860,16 +1929,104 @@ static void write_dump(const char *fname)
write_if_changed(&buf, fname);
}
+static void add_marker(struct module *mod, const char *name, const char *fmt)
+{
+ char *line = NULL;
+ asprintf(&line, "%s\t%s\t%s\n", name, mod->name, fmt);
+ NOFAIL(line);
+
+ mod->markers = NOFAIL(realloc(mod->markers, ((mod->nmarkers + 1) *
+ sizeof mod->markers[0])));
+ mod->markers[mod->nmarkers++] = line;
+}
+
+static void read_markers(const char *fname)
+{
+ unsigned long size, pos = 0;
+ void *file = grab_file(fname, &size);
+ char *line;
+
+ if (!file) /* No old markers, silently ignore */
+ return;
+
+ while ((line = get_next_line(&pos, file, size))) {
+ char *marker, *modname, *fmt;
+ struct module *mod;
+
+ marker = line;
+ modname = strchr(marker, '\t');
+ if (!modname)
+ goto fail;
+ *modname++ = '\0';
+ fmt = strchr(modname, '\t');
+ if (!fmt)
+ goto fail;
+ *fmt++ = '\0';
+ if (*marker == '\0' || *modname == '\0')
+ goto fail;
+
+ mod = find_module(modname);
+ if (!mod) {
+ if (is_vmlinux(modname))
+ have_vmlinux = 1;
+ mod = new_module(NOFAIL(strdup(modname)));
+ mod->skip = 1;
+ }
+
+ add_marker(mod, marker, fmt);
+ }
+ return;
+fail:
+ fatal("parse error in markers list file\n");
+}
+
+static int compare_strings(const void *a, const void *b)
+{
+ return strcmp(*(const char **) a, *(const char **) b);
+}
+
+static void write_markers(const char *fname)
+{
+ struct buffer buf = { };
+ struct module *mod;
+ size_t i;
+
+ for (mod = modules; mod; mod = mod->next)
+ if ((!external_module || !mod->skip) && mod->markers != NULL) {
+ /*
+ * Sort the strings so we can skip duplicates when
+ * we write them out.
+ */
+ qsort(mod->markers, mod->nmarkers,
+ sizeof mod->markers[0], &compare_strings);
+ for (i = 0; i < mod->nmarkers; ++i) {
+ char *line = mod->markers[i];
+ buf_write(&buf, line, strlen(line));
+ while (i + 1 < mod->nmarkers &&
+ !strcmp(mod->markers[i],
+ mod->markers[i + 1]))
+ free(mod->markers[i++]);
+ free(mod->markers[i]);
+ }
+ free(mod->markers);
+ mod->markers = NULL;
+ }
+
+ write_if_changed(&buf, fname);
+}
+
int main(int argc, char **argv)
{
struct module *mod;
struct buffer buf = { };
char *kernel_read = NULL, *module_read = NULL;
char *dump_write = NULL;
+ char *markers_read = NULL;
+ char *markers_write = NULL;
int opt;
int err;
- while ((opt = getopt(argc, argv, "i:I:msSo:aw")) != -1) {
+ while ((opt = getopt(argc, argv, "i:I:msSo:awM:K:")) != -1) {
switch (opt) {
case 'i':
kernel_read = optarg;
@@ -1896,6 +2053,12 @@ int main(int argc, char **argv)
case 'w':
warn_unresolved = 1;
break;
+ case 'M':
+ markers_write = optarg;
+ break;
+ case 'K':
+ markers_read = optarg;
+ break;
default:
exit(1);
}
@@ -1938,10 +2101,16 @@ int main(int argc, char **argv)
if (dump_write)
write_dump(dump_write);
if (sec_mismatch_count && !sec_mismatch_verbose)
- fprintf(stderr, "modpost: Found %d section mismatch(es).\n"
- "To see full details build your kernel with:\n"
- "'make CONFIG_DEBUG_SECTION_MISMATCH=y'\n",
- sec_mismatch_count);
+ warn("modpost: Found %d section mismatch(es).\n"
+ "To see full details build your kernel with:\n"
+ "'make CONFIG_DEBUG_SECTION_MISMATCH=y'\n",
+ sec_mismatch_count);
+
+ if (markers_read)
+ read_markers(markers_read);
+
+ if (markers_write)
+ write_markers(markers_write);
return err;
}
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 999f15e0e00..565c5872407 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -112,6 +112,8 @@ struct module {
int has_init;
int has_cleanup;
struct buffer dev_table_buf;
+ char **markers;
+ size_t nmarkers;
char srcversion[25];
};
@@ -126,6 +128,7 @@ struct elf_info {
Elf_Section export_gpl_sec;
Elf_Section export_unused_gpl_sec;
Elf_Section export_gpl_future_sec;
+ Elf_Section markers_strings_sec;
const char *strtab;
char *modinfo;
unsigned int modinfo_len;
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 0f657b5f3bc..ba6bf5d5abf 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -13,6 +13,7 @@ set -e
# Some variables and settings used throughout the script
version=$KERNELRELEASE
+revision=`cat .version`
tmpdir="$objtree/debian/tmp"
packagename=linux-$version
@@ -65,7 +66,7 @@ done
name="Kernel Compiler <$(id -nu)@$(hostname -f)>"
# Generate a simple changelog template
cat <<EOF > debian/changelog
-linux ($version) unstable; urgency=low
+linux ($version-$revision) unstable; urgency=low
* A standard release
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-27 04:22:06 +0000