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-rw-r--r--scripts/Makefile.modpost6
-rwxr-xr-xscripts/checkpatch.pl284
-rwxr-xr-x[-rw-r--r--]scripts/decodecode0
-rw-r--r--scripts/kallsyms.c3
-rw-r--r--scripts/kconfig/util.c2
-rwxr-xr-xscripts/kernel-doc4
-rw-r--r--scripts/mksysmap3
-rw-r--r--scripts/mod/modpost.c27
-rwxr-xr-xscripts/ver_linux5
9 files changed, 219 insertions, 115 deletions
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index a098a04..17092d6 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -43,7 +43,13 @@ _modpost: __modpost
include include/config/auto.conf
include scripts/Kbuild.include
+# When building external modules load the Kbuild file to retreive EXTRA_SYMBOLS info
ifneq ($(KBUILD_EXTMOD),)
+
+# set src + obj - they may be used when building the .mod.c file
+obj := $(KBUILD_EXTMOD)
+src := $(obj)
+
# Include the module's Makefile to find KBUILD_EXTRA_SYMBOLS
include $(if $(wildcard $(KBUILD_EXTMOD)/Kbuild), \
$(KBUILD_EXTMOD)/Kbuild, $(KBUILD_EXTMOD)/Makefile)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b6bbbcd..6971bf0 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -9,7 +9,7 @@ use strict;
my $P = $0;
$P =~ s@.*/@@g;
-my $V = '0.18';
+my $V = '0.19';
use Getopt::Long qw(:config no_auto_abbrev);
@@ -115,6 +115,7 @@ our $Attribute = qr{
__kprobes|
__(?:mem|cpu|dev|)(?:initdata|init)
}x;
+our $Modifier;
our $Inline = qr{inline|__always_inline|noinline};
our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]};
our $Lval = qr{$Ident(?:$Member)*};
@@ -144,17 +145,17 @@ our $UTF8 = qr {
our @typeList = (
qr{void},
- qr{char},
- qr{short},
- qr{int},
- qr{long},
+ qr{(?:unsigned\s+)?char},
+ qr{(?:unsigned\s+)?short},
+ qr{(?:unsigned\s+)?int},
+ qr{(?:unsigned\s+)?long},
+ qr{(?:unsigned\s+)?long\s+int},
+ qr{(?:unsigned\s+)?long\s+long},
+ qr{(?:unsigned\s+)?long\s+long\s+int},
qr{unsigned},
qr{float},
qr{double},
qr{bool},
- qr{long\s+int},
- qr{long\s+long},
- qr{long\s+long\s+int},
qr{(?:__)?(?:u|s|be|le)(?:8|16|32|64)},
qr{struct\s+$Ident},
qr{union\s+$Ident},
@@ -163,26 +164,29 @@ our @typeList = (
qr{${Ident}_handler},
qr{${Ident}_handler_fn},
);
+our @modifierList = (
+ qr{fastcall},
+);
sub build_types {
+ my $mods = "(?: \n" . join("|\n ", @modifierList) . "\n)";
my $all = "(?: \n" . join("|\n ", @typeList) . "\n)";
$NonptrType = qr{
- \b
(?:const\s+)?
- (?:unsigned\s+)?
+ (?:$mods\s+)?
(?:
- $all|
- (?:typeof|__typeof__)\s*\(\s*\**\s*$Ident\s*\)
+ (?:typeof|__typeof__)\s*\(\s*\**\s*$Ident\s*\)|
+ (?:${all}\b)
)
(?:\s+$Sparse|\s+const)*
- \b
}x;
$Type = qr{
- \b$NonptrType\b
+ $NonptrType
(?:\s*\*+\s*const|\s*\*+|(?:\s*\[\s*\])+)?
- (?:\s+$Inline|\s+$Sparse|\s+$Attribute)*
+ (?:\s+$Inline|\s+$Sparse|\s+$Attribute|\s+$mods)*
}x;
$Declare = qr{(?:$Storage\s+)?$Type};
+ $Modifier = qr{(?:$Attribute|$Sparse|$mods)};
}
build_types();
@@ -329,7 +333,7 @@ sub sanitise_line {
$off++;
next;
}
- if (substr($line, $off, 2) eq $sanitise_quote) {
+ if (substr($line, $off, 2) eq '*/') {
$sanitise_quote = '';
substr($res, $off, 2, "$;$;");
$off++;
@@ -366,14 +370,14 @@ sub sanitise_line {
}
# The pathname on a #include may be surrounded by '<' and '>'.
- if ($res =~ /^.#\s*include\s+\<(.*)\>/) {
+ if ($res =~ /^.\s*\#\s*include\s+\<(.*)\>/) {
my $clean = 'X' x length($1);
$res =~ s@\<.*\>@<$clean>@;
# The whole of a #error is a string.
- } elsif ($res =~ /^.#\s*(?:error|warning)\s+(.*)\b/) {
+ } elsif ($res =~ /^.\s*\#\s*(?:error|warning)\s+(.*)\b/) {
my $clean = 'X' x length($1);
- $res =~ s@(#\s*(?:error|warning)\s+).*@$1$clean@;
+ $res =~ s@(\#\s*(?:error|warning)\s+).*@$1$clean@;
}
return $res;
@@ -715,7 +719,7 @@ sub annotate_values {
print "DECLARE($1)\n" if ($dbg_values > 1);
$type = 'T';
- } elsif ($cur =~ /^(#\s*define\s*$Ident)(\(?)/o) {
+ } elsif ($cur =~ /^(\#\s*define\s*$Ident)(\(?)/o) {
print "DEFINE($1,$2)\n" if ($dbg_values > 1);
$av_preprocessor = 1;
push(@av_paren_type, $type);
@@ -724,12 +728,12 @@ sub annotate_values {
}
$type = 'E';
- } elsif ($cur =~ /^(#\s*undef\s*$Ident)/o) {
+ } elsif ($cur =~ /^(\#\s*(?:undef\s*$Ident|include\b))/o) {
print "UNDEF($1)\n" if ($dbg_values > 1);
$av_preprocessor = 1;
push(@av_paren_type, $type);
- } elsif ($cur =~ /^(#\s*(?:ifdef|ifndef|if))/o) {
+ } elsif ($cur =~ /^(\#\s*(?:ifdef|ifndef|if))/o) {
print "PRE_START($1)\n" if ($dbg_values > 1);
$av_preprocessor = 1;
@@ -737,7 +741,7 @@ sub annotate_values {
push(@av_paren_type, $type);
$type = 'E';
- } elsif ($cur =~ /^(#\s*(?:else|elif))/o) {
+ } elsif ($cur =~ /^(\#\s*(?:else|elif))/o) {
print "PRE_RESTART($1)\n" if ($dbg_values > 1);
$av_preprocessor = 1;
@@ -745,7 +749,7 @@ sub annotate_values {
$type = 'E';
- } elsif ($cur =~ /^(#\s*(?:endif))/o) {
+ } elsif ($cur =~ /^(\#\s*(?:endif))/o) {
print "PRE_END($1)\n" if ($dbg_values > 1);
$av_preprocessor = 1;
@@ -837,14 +841,26 @@ sub annotate_values {
sub possible {
my ($possible, $line) = @_;
- #print "CHECK<$possible>\n";
+ print "CHECK<$possible> ($line)\n" if ($dbg_possible > 1);
if ($possible !~ /^(?:$Storage|$Type|DEFINE_\S+)$/ &&
$possible ne 'goto' && $possible ne 'return' &&
- $possible ne 'struct' && $possible ne 'enum' &&
$possible ne 'case' && $possible ne 'else' &&
- $possible ne 'typedef') {
- warn "POSSIBLE: $possible ($line)\n" if ($dbg_possible);
- push(@typeList, $possible);
+ $possible ne 'asm' &&
+ $possible !~ /^(typedef|struct|enum)\b/) {
+ # Check for modifiers.
+ $possible =~ s/\s*$Storage\s*//g;
+ $possible =~ s/\s*$Sparse\s*//g;
+ if ($possible =~ /^\s*$/) {
+
+ } elsif ($possible =~ /\s/) {
+ $possible =~ s/\s*$Type\s*//g;
+ warn "MODIFIER: $possible ($line)\n" if ($dbg_possible);
+ push(@modifierList, $possible);
+
+ } else {
+ warn "POSSIBLE: $possible ($line)\n" if ($dbg_possible);
+ push(@typeList, $possible);
+ }
build_types();
}
}
@@ -949,6 +965,7 @@ sub process {
} else {
$realcnt=1+1;
}
+ $in_comment = 0;
# Guestimate if this is a continuing comment. Run
# the context looking for a comment "edge". If this
@@ -1117,7 +1134,9 @@ sub process {
ERROR("trailing whitespace\n" . $herevet);
}
#80 column limit
- if ($line =~ /^\+/ && !($prevrawline=~/\/\*\*/) && $length > 80) {
+ if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
+ $rawline !~ /^.\s*\*\s*\@$Ident\s/ && $length > 80)
+ {
WARN("line over 80 characters\n" . $herecurr);
}
@@ -1159,18 +1178,20 @@ sub process {
# Ignore functions being called
} elsif ($s =~ /^.\s*$Ident\s*\(/s) {
+ # declarations always start with types
+ } elsif ($prev_values eq 'E' && $s =~ /^.\s*(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?((?:\s*$Ident)+)\b(?:\s+$Sparse)?\s*\**\s*(?:$Ident|\(\*[^\)]*\))\s*(?:;|=|,|\()/s) {
+ my $type = $1;
+ $type =~ s/\s+/ /g;
+ possible($type, "A:" . $s);
+
# definitions in global scope can only start with types
} elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b/s) {
- possible($1, $s);
-
- # declarations always start with types
- } elsif ($prev_values eq 'E' && $s =~ /^.\s*(?:$Storage\s+)?(?:const\s+)?($Ident)\b(:?\s+$Sparse)?\s*\**\s*$Ident\s*(?:;|=|,)/s) {
- possible($1, $s);
+ possible($1, "B:" . $s);
}
# any (foo ... *) is a pointer cast, and foo is a type
while ($s =~ /\(($Ident)(?:\s+$Sparse)*\s*\*+\s*\)/sg) {
- possible($1, $s);
+ possible($1, "C:" . $s);
}
# Check for any sort of function declaration.
@@ -1184,9 +1205,9 @@ sub process {
$ctx =~ s/\)[^\)]*$//;
for my $arg (split(/\s*,\s*/, $ctx)) {
- if ($arg =~ /^(?:const\s+)?($Ident)(?:\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/ || $arg =~ /^($Ident)$/) {
+ if ($arg =~ /^(?:const\s+)?($Ident)(?:\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/s || $arg =~ /^($Ident)$/s) {
- possible($1, $s);
+ possible($1, "D:" . $s);
}
}
}
@@ -1221,7 +1242,7 @@ sub process {
# if/while/etc brace do not go on next line, unless defining a do while loop,
# or if that brace on the next line is for something else
- if ($line =~ /(.*)\b((?:if|while|for|switch)\s*\(|do\b|else\b)/ && $line !~ /^.#/) {
+ if ($line =~ /(.*)\b((?:if|while|for|switch)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) {
my $pre_ctx = "$1$2";
my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, 0);
@@ -1239,7 +1260,7 @@ sub process {
if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln -1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) {
ERROR("that open brace { should be on the previous line\n" .
- "$here\n$ctx\n$lines[$ctx_ln - 1]");
+ "$here\n$ctx\n$lines[$ctx_ln - 1]\n");
}
if ($level == 0 && $pre_ctx !~ /}\s*while\s*\($/ &&
$ctx =~ /\)\s*\;\s*$/ &&
@@ -1248,7 +1269,7 @@ sub process {
my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]);
if ($nindent > $indent) {
WARN("trailing semicolon indicates no statements, indent implies otherwise\n" .
- "$here\n$ctx\n$lines[$ctx_ln - 1]");
+ "$here\n$ctx\n$lines[$ctx_ln - 1]\n");
}
}
}
@@ -1284,7 +1305,7 @@ sub process {
#
# check for malformed paths in #include statements (uses RAW line)
- if ($rawline =~ m{^.#\s*include\s+[<"](.*)[">]}) {
+ if ($rawline =~ m{^.\s*\#\s*include\s+[<"](.*)[">]}) {
my $path = $1;
if ($path =~ m{//}) {
ERROR("malformed #include filename\n" .
@@ -1316,7 +1337,7 @@ sub process {
}
# check for external initialisers.
- if ($line =~ /^.$Type\s*$Ident\s*=\s*(0|NULL|false)\s*;/) {
+ if ($line =~ /^.$Type\s*$Ident\s*(?:\s+$Modifier)*\s*=\s*(0|NULL|false)\s*;/) {
ERROR("do not initialise externals to 0 or NULL\n" .
$herecurr);
}
@@ -1330,6 +1351,7 @@ sub process {
# make sense.
if ($line =~ /\btypedef\s/ &&
$line !~ /\btypedef\s+$Type\s+\(\s*\*?$Ident\s*\)\s*\(/ &&
+ $line !~ /\btypedef\s+$Type\s+$Ident\s*\(/ &&
$line !~ /\b__bitwise(?:__|)\b/) {
WARN("do not add new typedefs\n" . $herecurr);
}
@@ -1388,8 +1410,8 @@ sub process {
# function brace can't be on same line, except for #defines of do while,
# or if closed on same line
- if (($line=~/$Type\s*[A-Za-z\d_]+\(.*\).*\s{/) and
- !($line=~/\#define.*do\s{/) and !($line=~/}/)) {
+ if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and
+ !($line=~/\#\s*define.*do\s{/) and !($line=~/}/)) {
ERROR("open brace '{' following function declarations go on the next line\n" . $herecurr);
}
@@ -1416,10 +1438,10 @@ sub process {
# cpp #define statements have non-optional spaces, ie
# if there is a space between the name and the open
# parenthesis it is simply not a parameter group.
- } elsif ($ctx_before =~ /^.\#\s*define\s*$/) {
+ } elsif ($ctx_before =~ /^.\s*\#\s*define\s*$/) {
# cpp #elif statement condition may start with a (
- } elsif ($ctx =~ /^.\#\s*elif\s*$/) {
+ } elsif ($ctx =~ /^.\s*\#\s*elif\s*$/) {
# If this whole things ends with a type its most
# likely a typedef for a function.
@@ -1625,13 +1647,14 @@ sub process {
ERROR("space prohibited before that close square bracket ']'\n" . $herecurr);
}
-# check spacing on paretheses
+# check spacing on parentheses
if ($line =~ /\(\s/ && $line !~ /\(\s*(?:\\)?$/ &&
$line !~ /for\s*\(\s+;/) {
ERROR("space prohibited after that open parenthesis '('\n" . $herecurr);
}
if ($line =~ /(\s+)\)/ && $line !~ /^.\s*\)/ &&
- $line !~ /for\s*\(.*;\s+\)/) {
+ $line !~ /for\s*\(.*;\s+\)/ &&
+ $line !~ /:\s+\)/) {
ERROR("space prohibited before that close parenthesis ')'\n" . $herecurr);
}
@@ -1641,6 +1664,23 @@ sub process {
WARN("labels should not be indented\n" . $herecurr);
}
+# Return is not a function.
+ if (defined($stat) && $stat =~ /^.\s*return(\s*)(\(.*);/s) {
+ my $spacing = $1;
+ my $value = $2;
+
+ # Flatten any parentheses and braces
+ while ($value =~ s/\([^\(\)]*\)/1/) {
+ }
+
+ if ($value =~ /^(?:$Ident|-?$Constant)$/) {
+ ERROR("return is not a function, parentheses are not required\n" . $herecurr);
+
+ } elsif ($spacing !~ /\s+/) {
+ ERROR("space required before the open parenthesis '('\n" . $herecurr);
+ }
+ }
+
# Need a space before open parenthesis after if, while etc
if ($line=~/\b(if|while|for|switch)\(/) {
ERROR("space required before the open parenthesis '('\n" . $herecurr);
@@ -1660,7 +1700,7 @@ sub process {
$s =~ s/\n.*//g;
$s =~ s/$;//g; # Remove any comments
if (length($c) && $s !~ /^\s*({|;|)\s*\\*\s*$/ &&
- $c !~ /^.\#\s*if/)
+ $c !~ /^.\s*\#\s*if/)
{
ERROR("trailing statements should be on next line\n" . $herecurr);
}
@@ -1719,14 +1759,16 @@ sub process {
# }
#no spaces allowed after \ in define
- if ($line=~/\#define.*\\\s$/) {
+ if ($line=~/\#\s*define.*\\\s$/) {
WARN("Whitepspace after \\ makes next lines useless\n" . $herecurr);
}
#warn if <asm/foo.h> is #included and <linux/foo.h> is available (uses RAW line)
- if ($tree && $rawline =~ m{^.\#\s*include\s*\<asm\/(.*)\.h\>}) {
- my $checkfile = "$root/include/linux/$1.h";
- if (-f $checkfile && $1 ne 'irq') {
+ if ($tree && $rawline =~ m{^.\s*\#\s*include\s*\<asm\/(.*)\.h\>}) {
+ my $checkfile = "include/linux/$1.h";
+ if (-f "$root/$checkfile" && $realfile ne $checkfile &&
+ $1 ne 'irq')
+ {
WARN("Use #include <linux/$1.h> instead of <asm/$1.h>\n" .
$herecurr);
}
@@ -1735,45 +1777,87 @@ sub process {
# multi-statement macros should be enclosed in a do while loop, grab the
# first statement and ensure its the whole macro if its not enclosed
# in a known good container
- if ($prevline =~ /\#define.*\\/ &&
- $prevline !~/(?:do\s+{|\(\{|\{)/ &&
- $line !~ /(?:do\s+{|\(\{|\{)/ &&
- $line !~ /^.\s*$Declare\s/) {
- # Grab the first statement, if that is the entire macro
- # its ok. This may start either on the #define line
- # or the one below.
+ if ($line =~ /^.\s*\#\s*define\s*$Ident(\()?/) {
my $ln = $linenr;
my $cnt = $realcnt;
- my $off = 0;
+ my ($off, $dstat, $dcond, $rest);
+ my $ctx = '';
- # If the macro starts on the define line start
- # grabbing the statement after the identifier
- $prevline =~ m{^(.#\s*define\s*$Ident(?:\([^\)]*\))?\s*)(.*)\\\s*$};
- ##print "1<$1> 2<$2>\n";
- if (defined $2 && $2 ne '') {
- $off = length($1);
- $ln--;
- $cnt++;
- while ($lines[$ln - 1] =~ /^-/) {
- $ln--;
- $cnt++;
- }
+ my $args = defined($1);
+
+ # Find the end of the macro and limit our statement
+ # search to that.
+ while ($cnt > 0 && defined $lines[$ln - 1] &&
+ $lines[$ln - 1] =~ /^(?:-|..*\\$)/)
+ {
+ $ctx .= $rawlines[$ln - 1] . "\n";
+ $ln++;
+ $cnt--;
+ }
+ $ctx .= $rawlines[$ln - 1];
+
+ ($dstat, $dcond, $ln, $cnt, $off) =
+ ctx_statement_block($linenr, $ln - $linenr + 1, 0);
+ #print "dstat<$dstat> dcond<$dcond> cnt<$cnt> off<$off>\n";
+ #print "LINE<$lines[$ln]> len<" . length($lines[$ln]) . "\n";
+
+ # Extract the remainder of the define (if any) and
+ # rip off surrounding spaces, and trailing \'s.
+ $rest = '';
+ if (defined $lines[$ln - 1] &&
+ $off > length($lines[$ln - 1]))
+ {
+ $ln++;
+ $cnt--;
+ $off = 0;
+ }
+ while ($cnt > 0) {
+ $rest .= substr($lines[$ln - 1], $off) . "\n";
+ $ln++;
+ $cnt--;
+ $off = 0;
+ }
+ $rest =~ s/\\\n.//g;
+ $rest =~ s/^\s*//s;
+ $rest =~ s/\s*$//s;
+
+ # Clean up the original statement.
+ if ($args) {
+ substr($dstat, 0, length($dcond), '');
+ } else {
+ $dstat =~ s/^.\s*\#\s*define\s+$Ident\s*//;
}
- my @ctx = ctx_statement($ln, $cnt, $off);
- my $ctx_ln = $ln + $#ctx + 1;
- my $ctx = join("\n", @ctx);
+ $dstat =~ s/\\\n.//g;
+ $dstat =~ s/^\s*//s;
+ $dstat =~ s/\s*$//s;
- # Pull in any empty extension lines.
- while ($ctx =~ /\\$/ &&
- $lines[$ctx_ln - 1] =~ /^.\s*(?:\\)?$/) {
- $ctx .= $lines[$ctx_ln - 1];
- $ctx_ln++;
+ # Flatten any parentheses and braces
+ while ($dstat =~ s/\([^\(\)]*\)/1/) {
+ }
+ while ($dstat =~ s/\{[^\{\}]*\}/1/) {
}
- if ($ctx =~ /\\$/) {
- if ($ctx =~ /;/) {
+ my $exceptions = qr{
+ $Declare|
+ module_param_named|
+ MODULE_PARAM_DESC|
+ DECLARE_PER_CPU|
+ DEFINE_PER_CPU|
+ __typeof__\(
+ }x;
+ if ($rest ne '') {
+ if ($rest !~ /while\s*\(/ &&
+ $dstat !~ /$exceptions/)
+ {
ERROR("Macros with multiple statements should be enclosed in a do - while loop\n" . "$here\n$ctx\n");
- } else {
+ }
+
+ } elsif ($ctx !~ /;/) {
+ if ($dstat ne '' &&
+ $dstat !~ /^(?:$Ident|-?$Constant)$/ &&
+ $dstat !~ /$exceptions/ &&
+ $dstat =~ /$Operators/)
+ {
ERROR("Macros with complex values should be enclosed in parenthesis\n" . "$here\n$ctx\n");
}
}
@@ -1884,7 +1968,7 @@ sub process {
# don't include deprecated include files (uses RAW line)
for my $inc (@dep_includes) {
- if ($rawline =~ m@\#\s*include\s*\<$inc>@) {
+ if ($rawline =~ m@^.\s*\#\s*include\s*\<$inc>@) {
ERROR("Don't use <$inc>: see Documentation/feature-removal-schedule.txt\n" . $herecurr);
}
}
@@ -1908,7 +1992,7 @@ sub process {
}
# warn about #if 0
- if ($line =~ /^.#\s*if\s+0\b/) {
+ if ($line =~ /^.\s*\#\s*if\s+0\b/) {
CHK("if this code is redundant consider removing it\n" .
$herecurr);
}
@@ -1920,23 +2004,16 @@ sub process {
WARN("kfree(NULL) is safe this check is probabally not required\n" . $hereprev);
}
}
-# check for needless usb_free_urb() checks
- if ($prevline =~ /\bif\s*\(([^\)]*)\)/) {
- my $expr = $1;
- if ($line =~ /\busb_free_urb\(\Q$expr\E\);/) {
- WARN("usb_free_urb(NULL) is safe this check is probabally not required\n" . $hereprev);
- }
- }
# warn about #ifdefs in C files
-# if ($line =~ /^.#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
+# if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
# print "#ifdef in C files should be avoided\n";
# print "$herecurr";
# $clean = 0;
# }
# warn about spacing in #ifdefs
- if ($line =~ /^.#\s*(ifdef|ifndef|elif)\s\s+/) {
+ if ($line =~ /^.\s*\#\s*(ifdef|ifndef|elif)\s\s+/) {
ERROR("exactly one space required after that #$1\n" . $herecurr);
}
@@ -1955,7 +2032,7 @@ sub process {
}
}
# check of hardware specific defines
- if ($line =~ m@^.#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) {
+ if ($line =~ m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) {
CHK("architecture specific defines should be avoided\n" . $herecurr);
}
@@ -1973,15 +2050,18 @@ sub process {
# check for new externs in .c files.
if ($realfile =~ /\.c$/ && defined $stat &&
- $stat =~ /^.\s*(?:extern\s+)?$Type\s+$Ident(\s*)\(/s)
+ $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
{
- my $paren_space = $1;
+ my $function_name = $1;
+ my $paren_space = $2;
my $s = $stat;
if (defined $cond) {
substr($s, 0, length($cond), '');
}
- if ($s =~ /^\s*;/) {
+ if ($s =~ /^\s*;/ &&
+ $function_name ne 'uninitialized_var')
+ {
WARN("externs should be avoided in .c files\n" . $herecurr);
}
@@ -2030,8 +2110,8 @@ sub process {
# use of NR_CPUS is usually wrong
# ignore definitions of NR_CPUS and usage to define arrays as likely right
if ($line =~ /\bNR_CPUS\b/ &&
- $line !~ /^.#\s*if\b.*\bNR_CPUS\b/ &&
- $line !~ /^.#\s*define\b.*\bNR_CPUS\b/ &&
+ $line !~ /^.\s*\s*#\s*if\b.*\bNR_CPUS\b/ &&
+ $line !~ /^.\s*\s*#\s*define\b.*\bNR_CPUS\b/ &&
$line !~ /^.\s*$Declare\s.*\[[^\]]*NR_CPUS[^\]]*\]/ &&
$line !~ /\[[^\]]*\.\.\.[^\]]*NR_CPUS[^\]]*\]/ &&
$line !~ /\[[^\]]*NR_CPUS[^\]]*\.\.\.[^\]]*\]/)
diff --git a/scripts/decodecode b/scripts/decodecode
index 235d393..235d393 100644..100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 5d20a2e..ad2434b 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -108,6 +108,9 @@ static int read_symbol(FILE *in, struct sym_entry *s)
/* exclude also MIPS ELF local symbols ($L123 instead of .L123) */
else if (str[0] == '$')
return -1;
+ /* exclude debugging symbols */
+ else if (stype == 'N')
+ return -1;
/* include the type field in the symbol name, so that it gets
* compressed together */
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index f8e73c0..3cc9f93 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -77,7 +77,7 @@ struct gstr str_new(void)
{
struct gstr gs;
gs.s = malloc(sizeof(char) * 64);
- gs.len = 16;
+ gs.len = 64;
strcpy(gs.s, "\0");
return gs;
}
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 83cee18..88e3934 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1556,7 +1556,9 @@ sub create_parameterlist($$$) {
push_parameter($2, "$type $1", $file);
}
elsif ($param =~ m/(.*?):(\d+)/) {
- push_parameter($1, "$type:$2", $file)
+ if ($type ne "") { # skip unnamed bit-fields
+ push_parameter($1, "$type:$2", $file)
+ }
}
else {
push_parameter($param, $type, $file);
diff --git a/scripts/mksysmap b/scripts/mksysmap
index 4390fab..6e133a0 100644
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -32,6 +32,7 @@
# For System.map filter away:
# a - local absolute symbols
# U - undefined global symbols
+# N - debugging symbols
# w - local weak symbols
# readprofile starts reading symbols when _stext is found, and
@@ -40,5 +41,5 @@
# so we just ignore them to let readprofile continue to work.
# (At least sparc64 has __crc_ in the middle).
-$NM -n $1 | grep -v '\( [aUw] \)\|\(__crc_\)\|\( \$[adt]\)' > $2
+$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)' > $2
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 757294b..a07f91a 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -467,6 +467,25 @@ static void parse_elf_finish(struct elf_info *info)
release_file(info->hdr, info->size);
}
+static int ignore_undef_symbol(struct elf_info *info, const char *symname)
+{
+ /* ignore __this_module, it will be resolved shortly */
+ if (strcmp(symname, MODULE_SYMBOL_PREFIX "__this_module") == 0)
+ return 1;
+ /* ignore global offset table */
+ if (strcmp(symname, "_GLOBAL_OFFSET_TABLE_") == 0)
+ return 1;
+ if (info->hdr->e_machine == EM_PPC)
+ /* Special register function linked on all modules during final link of .ko */
+ if (strncmp(symname, "_restgpr_", sizeof("_restgpr_") - 1) == 0 ||
+ strncmp(symname, "_savegpr_", sizeof("_savegpr_") - 1) == 0 ||
+ strncmp(symname, "_rest32gpr_", sizeof("_rest32gpr_") - 1) == 0 ||
+ strncmp(symname, "_save32gpr_", sizeof("_save32gpr_") - 1) == 0)
+ return 1;
+ /* Do not ignore this symbol */
+ return 0;
+}
+
#define CRC_PFX MODULE_SYMBOL_PREFIX "__crc_"
#define KSYMTAB_PFX MODULE_SYMBOL_PREFIX "__ksymtab_"
@@ -493,11 +512,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
if (ELF_ST_BIND(sym->st_info) != STB_GLOBAL &&
ELF_ST_BIND(sym->st_info) != STB_WEAK)
break;
- /* ignore global offset table */
- if (strcmp(symname, "_GLOBAL_OFFSET_TABLE_") == 0)
- break;
- /* ignore __this_module, it will be resolved shortly */
- if (strcmp(symname, MODULE_SYMBOL_PREFIX "__this_module") == 0)
+ if (ignore_undef_symbol(info, symname))
break;
/* cope with newer glibc (2.3.4 or higher) STT_ definition in elf.h */
#if defined(STT_REGISTER) || defined(STT_SPARC_REGISTER)
@@ -721,7 +736,7 @@ static int check_section(const char *modname, const char *sec)
/* consume all digits */
while (*e && e != sec && isdigit(*e))
e--;
- if (*e == '.') {
+ if (*e == '.' && !strstr(sec, ".linkonce")) {
warn("%s (%s): unexpected section name.\n"
"The (.[number]+) following section name are "
"ld generated and not expected.\n"
diff --git a/scripts/ver_linux b/scripts/ver_linux
index ab69ece..7ac0e30 100755
--- a/scripts/ver_linux
+++ b/scripts/ver_linux
@@ -12,12 +12,9 @@ echo ' '
uname -a
echo ' '
-gcc --version 2>&1| head -n 1 | grep -v gcc | awk \
+gcc -dumpversion 2>&1| awk \
'NR==1{print "Gnu C ", $1}'
-gcc --version 2>&1| grep gcc | awk \
-'NR==1{print "Gnu C ", $3}'
-
make --version 2>&1 | awk -F, '{print $1}' | awk \
'/GNU Make/{print "Gnu make ",$NF}'
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