diff options
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/binutils-version.sh | 20 | ||||
| -rwxr-xr-x | tools/checkpatch.pl | 3709 | ||||
| -rwxr-xr-x | tools/checkstack.pl | 171 | ||||
| -rwxr-xr-x | tools/cleanpatch | 258 | ||||
| -rwxr-xr-x | tools/dtc-version.sh | 20 | ||||
| -rwxr-xr-x | tools/gcc-version.sh | 32 | ||||
| -rwxr-xr-x | tools/setlocalversion | 177 |
7 files changed, 0 insertions, 4387 deletions
diff --git a/tools/binutils-version.sh b/tools/binutils-version.sh deleted file mode 100755 index d4d9eb4..0000000 --- a/tools/binutils-version.sh +++ /dev/null @@ -1,20 +0,0 @@ -#!/bin/sh -# -# binutils-version [-p] gas-command -# -# Prints the binutils version of `gas-command' in a canonical 4-digit form -# such as `0222' for binutils 2.22 -# - -gas="$*" - -if [ ${#gas} -eq 0 ]; then - echo "Error: No assembler specified." - printf "Usage:\n\t$0 <gas-command>\n" - exit 1 -fi - -MAJOR=$($gas --version | head -1 | awk '{print $NF}' | cut -d . -f 1) -MINOR=$($gas --version | head -1 | awk '{print $NF}' | cut -d . -f 2) - -printf "%02d%02d\\n" $MAJOR $MINOR diff --git a/tools/checkpatch.pl b/tools/checkpatch.pl deleted file mode 100755 index 88c5bc7..0000000 --- a/tools/checkpatch.pl +++ /dev/null @@ -1,3709 +0,0 @@ -#!/usr/bin/perl -w -# (c) 2001, Dave Jones. (the file handling bit) -# (c) 2005, Joel Schopp <jschopp@austin.ibm.com> (the ugly bit) -# (c) 2007,2008, Andy Whitcroft <apw@uk.ibm.com> (new conditions, test suite) -# (c) 2008-2010 Andy Whitcroft <apw@canonical.com> -# Licensed under the terms of the GNU GPL License version 2 - -use strict; - -my $P = $0; -$P =~ s@.*/@@g; - -my $V = '0.32'; - -use Getopt::Long qw(:config no_auto_abbrev); - -my $quiet = 0; -my $tree = 1; -my $chk_signoff = 1; -my $chk_patch = 1; -my $tst_only; -my $emacs = 0; -my $terse = 0; -my $file = 0; -my $check = 0; -my $summary = 1; -my $mailback = 0; -my $summary_file = 0; -my $show_types = 0; -my $root; -my %debug; -my %ignore_type = (); -my @ignore = (); -my $help = 0; -my $configuration_file = ".checkpatch.conf"; -my $max_line_length = 80; - -sub help { - my ($exitcode) = @_; - - print << "EOM"; -Usage: $P [OPTION]... [FILE]... -Version: $V - -Options: - -q, --quiet quiet - --no-tree run without a kernel tree - --no-signoff do not check for 'Signed-off-by' line - --patch treat FILE as patchfile (default) - --emacs emacs compile window format - --terse one line per report - -f, --file treat FILE as regular source file - --subjective, --strict enable more subjective tests - --ignore TYPE(,TYPE2...) ignore various comma separated message types - --max-line-length=n set the maximum line length, if exceeded, warn - --show-types show the message "types" in the output - --root=PATH PATH to the kernel tree root - --no-summary suppress the per-file summary - --mailback only produce a report in case of warnings/errors - --summary-file include the filename in summary - --debug KEY=[0|1] turn on/off debugging of KEY, where KEY is one of - 'values', 'possible', 'type', and 'attr' (default - is all off) - --test-only=WORD report only warnings/errors containing WORD - literally - -h, --help, --version display this help and exit - -When FILE is - read standard input. -EOM - - exit($exitcode); -} - -my $conf = which_conf($configuration_file); -if (-f $conf) { - my @conf_args; - open(my $conffile, '<', "$conf") - or warn "$P: Can't find a readable $configuration_file file $!\n"; - - while (<$conffile>) { - my $line = $_; - - $line =~ s/\s*\n?$//g; - $line =~ s/^\s*//g; - $line =~ s/\s+/ /g; - - next if ($line =~ m/^\s*#/); - next if ($line =~ m/^\s*$/); - - my @words = split(" ", $line); - foreach my $word (@words) { - last if ($word =~ m/^#/); - push (@conf_args, $word); - } - } - close($conffile); - unshift(@ARGV, @conf_args) if @conf_args; -} - -GetOptions( - 'q|quiet+' => \$quiet, - 'tree!' => \$tree, - 'signoff!' => \$chk_signoff, - 'patch!' => \$chk_patch, - 'emacs!' => \$emacs, - 'terse!' => \$terse, - 'f|file!' => \$file, - 'subjective!' => \$check, - 'strict!' => \$check, - 'ignore=s' => \@ignore, - 'show-types!' => \$show_types, - 'max-line-length=i' => \$max_line_length, - 'root=s' => \$root, - 'summary!' => \$summary, - 'mailback!' => \$mailback, - 'summary-file!' => \$summary_file, - - 'debug=s' => \%debug, - 'test-only=s' => \$tst_only, - 'h|help' => \$help, - 'version' => \$help -) or help(1); - -help(0) if ($help); - -my $exit = 0; - -if ($#ARGV < 0) { - print "$P: no input files\n"; - exit(1); -} - -@ignore = split(/,/, join(',',@ignore)); -foreach my $word (@ignore) { - $word =~ s/\s*\n?$//g; - $word =~ s/^\s*//g; - $word =~ s/\s+/ /g; - $word =~ tr/[a-z]/[A-Z]/; - - next if ($word =~ m/^\s*#/); - next if ($word =~ m/^\s*$/); - - $ignore_type{$word}++; -} - -my $dbg_values = 0; -my $dbg_possible = 0; -my $dbg_type = 0; -my $dbg_attr = 0; -for my $key (keys %debug) { - ## no critic - eval "\${dbg_$key} = '$debug{$key}';"; - die "$@" if ($@); -} - -my $rpt_cleaners = 0; - -if ($terse) { - $emacs = 1; - $quiet++; -} - -if ($tree) { - if (defined $root) { - if (!top_of_kernel_tree($root)) { - die "$P: $root: --root does not point at a valid tree\n"; - } - } else { - if (top_of_kernel_tree('.')) { - $root = '.'; - } elsif ($0 =~ m@(.*)/scripts/[^/]*$@ && - top_of_kernel_tree($1)) { - $root = $1; - } - } - - if (!defined $root) { - print "Must be run from the top-level dir. of a kernel tree\n"; - exit(2); - } -} - -my $emitted_corrupt = 0; - -our $Ident = qr{ - [A-Za-z_][A-Za-z\d_]* - (?:\s*\#\#\s*[A-Za-z_][A-Za-z\d_]*)* - }x; -our $Storage = qr{extern|static|asmlinkage}; -our $Sparse = qr{ - __user| - __kernel| - __force| - __iomem| - __must_check| - __init_refok| - __kprobes| - __ref| - __rcu - }x; - -# Notes to $Attribute: -# We need \b after 'init' otherwise 'initconst' will cause a false positive in a check -our $Attribute = qr{ - const| - __percpu| - __nocast| - __safe| - __bitwise__| - __packed__| - __packed2__| - __naked| - __maybe_unused| - __always_unused| - __noreturn| - __used| - __cold| - __noclone| - __deprecated| - __read_mostly| - __kprobes| - __(?:mem|cpu|dev|)(?:initdata|initconst|init\b)| - ____cacheline_aligned| - ____cacheline_aligned_in_smp| - ____cacheline_internodealigned_in_smp| - __weak - }x; -our $Modifier; -our $Inline = qr{inline|__always_inline|noinline}; -our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]}; -our $Lval = qr{$Ident(?:$Member)*}; - -our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?}; -our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?}; -our $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?}; -our $Float = qr{$Float_hex|$Float_dec|$Float_int}; -our $Constant = qr{$Float|(?i)(?:0x[0-9a-f]+|[0-9]+)[ul]*}; -our $Assignment = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=}; -our $Compare = qr{<=|>=|==|!=|<|>}; -our $Operators = qr{ - <=|>=|==|!=| - =>|->|<<|>>|<|>|!|~| - &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|% - }x; - -our $NonptrType; -our $Type; -our $Declare; - -our $NON_ASCII_UTF8 = qr{ - [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte - | \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs - | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte - | \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates - | \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 - | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 - | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 -}x; - -our $UTF8 = qr{ - [\x09\x0A\x0D\x20-\x7E] # ASCII - | $NON_ASCII_UTF8 -}x; - -our $typeTypedefs = qr{(?x: - (?:__)?(?:u|s|be|le)(?:8|16|32|64)| - atomic_t -)}; - -our $logFunctions = qr{(?x: - printk(?:_ratelimited|_once|)| - [a-z0-9]+_(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)| - WARN(?:_RATELIMIT|_ONCE|)| - panic| - debug| - printf| - MODULE_[A-Z_]+ -)}; - -our $signature_tags = qr{(?xi: - Signed-off-by:| - Acked-by:| - Tested-by:| - Reviewed-by:| - Reported-by:| - To:| - Cc: -)}; - -our @typeList = ( - qr{void}, - qr{(?:unsigned\s+)?char}, - qr{(?:unsigned\s+)?short}, - qr{(?:unsigned\s+)?int}, - qr{(?:unsigned\s+)?long}, - qr{(?:unsigned\s+)?long\s+int}, - qr{(?:unsigned\s+)?long\s+long}, - qr{(?:unsigned\s+)?long\s+long\s+int}, - qr{unsigned}, - qr{float}, - qr{double}, - qr{bool}, - qr{struct\s+$Ident}, - qr{union\s+$Ident}, - qr{enum\s+$Ident}, - qr{${Ident}_t}, - qr{${Ident}_handler}, - qr{${Ident}_handler_fn}, -); -our @modifierList = ( - qr{fastcall}, -); - -our $allowed_asm_includes = qr{(?x: - irq| - memory -)}; -# memory.h: ARM has a custom one - -sub build_types { - my $mods = "(?x: \n" . join("|\n ", @modifierList) . "\n)"; - my $all = "(?x: \n" . join("|\n ", @typeList) . "\n)"; - $Modifier = qr{(?:$Attribute|$Sparse|$mods)}; - $NonptrType = qr{ - (?:$Modifier\s+|const\s+)* - (?: - (?:typeof|__typeof__)\s*\([^\)]*\)| - (?:$typeTypedefs\b)| - (?:${all}\b) - ) - (?:\s+$Modifier|\s+const)* - }x; - $Type = qr{ - $NonptrType - (?:(?:\s|\*|\[\])+\s*const|(?:\s|\*|\[\])+|(?:\s*\[\s*\])+)? - (?:\s+$Inline|\s+$Modifier)* - }x; - $Declare = qr{(?:$Storage\s+)?$Type}; -} -build_types(); - - -our $Typecast = qr{\s*(\(\s*$NonptrType\s*\)){0,1}\s*}; - -# Using $balanced_parens, $LvalOrFunc, or $FuncArg -# requires at least perl version v5.10.0 -# Any use must be runtime checked with $^V - -our $balanced_parens = qr/(\((?:[^\(\)]++|(?-1))*\))/; -our $LvalOrFunc = qr{($Lval)\s*($balanced_parens{0,1})\s*}; -our $FuncArg = qr{$Typecast{0,1}($LvalOrFunc|$Constant)}; - -sub deparenthesize { - my ($string) = @_; - return "" if (!defined($string)); - $string =~ s@^\s*\(\s*@@g; - $string =~ s@\s*\)\s*$@@g; - $string =~ s@\s+@ @g; - return $string; -} - -$chk_signoff = 0 if ($file); - -my @rawlines = (); -my @lines = (); -my $vname; -for my $filename (@ARGV) { - my $FILE; - if ($file) { - open($FILE, '-|', "diff -u /dev/null $filename") || - die "$P: $filename: diff failed - $!\n"; - } elsif ($filename eq '-') { - open($FILE, '<&STDIN'); - } else { - open($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)) { - $exit = 1; - } - @rawlines = (); - @lines = (); -} - -exit($exit); - -sub top_of_kernel_tree { - my ($root) = @_; - - my @tree_check = ( - "COPYING", "CREDITS", "Kbuild", "Makefile", - "README", "Documentation", "arch", "include", "drivers", - "fs", "init", "ipc", "kernel", "lib", "scripts", - ); - - foreach my $check (@tree_check) { - if (! -e $root . '/' . $check) { - return 0; - } - } - return 1; -} - -sub parse_email { - my ($formatted_email) = @_; - - my $name = ""; - my $address = ""; - my $comment = ""; - - if ($formatted_email =~ /^(.*)<(\S+\@\S+)>(.*)$/) { - $name = $1; - $address = $2; - $comment = $3 if defined $3; - } elsif ($formatted_email =~ /^\s*<(\S+\@\S+)>(.*)$/) { - $address = $1; - $comment = $2 if defined $2; - } elsif ($formatted_email =~ /(\S+\@\S+)(.*)$/) { - $address = $1; - $comment = $2 if defined $2; - $formatted_email =~ s/$address.*$//; - $name = $formatted_email; - $name =~ s/^\s+|\s+$//g; - $name =~ s/^\"|\"$//g; - # If there's a name left after stripping spaces and - # leading quotes, and the address doesn't have both - # leading and trailing angle brackets, the address - # is invalid. ie: - # "joe smith joe@smith.com" bad - # "joe smith <joe@smith.com" bad - if ($name ne "" && $address !~ /^<[^>]+>$/) { - $name = ""; - $address = ""; - $comment = ""; - } - } - - $name =~ s/^\s+|\s+$//g; - $name =~ s/^\"|\"$//g; - $address =~ s/^\s+|\s+$//g; - $address =~ s/^\<|\>$//g; - - if ($name =~ /[^\w \-]/i) { ##has "must quote" chars - $name =~ s/(?<!\\)"/\\"/g; ##escape quotes - $name = "\"$name\""; - } - - return ($name, $address, $comment); -} - -sub format_email { - my ($name, $address) = @_; - - my $formatted_email; - - $name =~ s/^\s+|\s+$//g; - $name =~ s/^\"|\"$//g; - $address =~ s/^\s+|\s+$//g; - - if ($name =~ /[^\w \-]/i) { ##has "must quote" chars - $name =~ s/(?<!\\)"/\\"/g; ##escape quotes - $name = "\"$name\""; - } - - if ("$name" eq "") { - $formatted_email = "$address"; - } else { - $formatted_email = "$name <$address>"; - } - - return $formatted_email; -} - -sub which_conf { - my ($conf) = @_; - - foreach my $path (split(/:/, ".:$ENV{HOME}:.scripts")) { - if (-e "$path/$conf") { - return "$path/$conf"; - } - } - - return ""; -} - -sub expand_tabs { - my ($str) = @_; - - my $res = ''; - my $n = 0; - for my $c (split(//, $str)) { - if ($c eq "\t") { - $res .= ' '; - $n++; - for (; ($n % 8) != 0; $n++) { - $res .= ' '; - } - next; - } - $res .= $c; - $n++; - } - - return $res; -} -sub copy_spacing { - (my $res = shift) =~ tr/\t/ /c; - return $res; -} - -sub line_stats { - my ($line) = @_; - - # Drop the diff line leader and expand tabs - $line =~ s/^.//; - $line = expand_tabs($line); - - # Pick the indent from the front of the line. - my ($white) = ($line =~ /^(\s*)/); - - return (length($line), length($white)); -} - -my $sanitise_quote = ''; - -sub sanitise_line_reset { - my ($in_comment) = @_; - - if ($in_comment) { - $sanitise_quote = '*/'; - } else { - $sanitise_quote = ''; - } -} -sub sanitise_line { - my ($line) = @_; - - my $res = ''; - my $l = ''; - - my $qlen = 0; - my $off = 0; - my $c; - - # Always copy over the diff marker. - $res = substr($line, 0, 1); - - for ($off = 1; $off < length($line); $off++) { - $c = substr($line, $off, 1); - - # Comments we are wacking completly including the begin - # and end, all to $;. - if ($sanitise_quote eq '' && substr($line, $off, 2) eq '/*') { - $sanitise_quote = '*/'; - - substr($res, $off, 2, "$;$;"); - $off++; - next; - } - if ($sanitise_quote eq '*/' && substr($line, $off, 2) eq '*/') { - $sanitise_quote = ''; - substr($res, $off, 2, "$;$;"); - $off++; - next; - } - if ($sanitise_quote eq '' && substr($line, $off, 2) eq '//') { - $sanitise_quote = '//'; - - substr($res, $off, 2, $sanitise_quote); - $off++; - next; - } - - # A \ in a string means ignore the next character. - if (($sanitise_quote eq "'" || $sanitise_quote eq '"') && - $c eq "\\") { - substr($res, $off, 2, 'XX'); - $off++; - next; - } - # Regular quotes. - if ($c eq "'" || $c eq '"') { - if ($sanitise_quote eq '') { - $sanitise_quote = $c; - - substr($res, $off, 1, $c); - next; - } elsif ($sanitise_quote eq $c) { - $sanitise_quote = ''; - } - } - - #print "c<$c> SQ<$sanitise_quote>\n"; - if ($off != 0 && $sanitise_quote eq '*/' && $c ne "\t") { - substr($res, $off, 1, $;); - } elsif ($off != 0 && $sanitise_quote eq '//' && $c ne "\t") { - substr($res, $off, 1, $;); - } elsif ($off != 0 && $sanitise_quote && $c ne "\t") { - substr($res, $off, 1, 'X'); - } else { - substr($res, $off, 1, $c); - } - } - - if ($sanitise_quote eq '//') { - $sanitise_quote = ''; - } - - # The pathname on a #include may be surrounded by '<' and '>'. - if ($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*\#\s*(?:error|warning)\s+(.*)\b/) { - my $clean = 'X' x length($1); - $res =~ s@(\#\s*(?:error|warning)\s+).*@$1$clean@; - } - - return $res; -} - -sub ctx_statement_block { - my ($linenr, $remain, $off) = @_; - my $line = $linenr - 1; - my $blk = ''; - my $soff = $off; - my $coff = $off - 1; - my $coff_set = 0; - - my $loff = 0; - - my $type = ''; - my $level = 0; - my @stack = (); - my $p; - my $c; - my $len = 0; - - my $remainder; - while (1) { - @stack = (['', 0]) if ($#stack == -1); - - #warn "CSB: blk<$blk> remain<$remain>\n"; - # If we are about to drop off the end, pull in more - # context. - if ($off >= $len) { - for (; $remain > 0; $line++) { - last if (!defined $lines[$line]); - next if ($lines[$line] =~ /^-/); - $remain--; - $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 >= $len) { - last; - } - if ($level == 0 && substr($blk, $off) =~ /^.\s*#\s*define/) { - $level++; - $type = '#'; - } - } - $p = $c; - $c = substr($blk, $off, 1); - $remainder = substr($blk, $off); - - #warn "CSB: c<$c> type<$type> level<$level> remainder<$remainder> coff_set<$coff_set>\n"; - - # Handle nested #if/#else. - if ($remainder =~ /^#\s*(?:ifndef|ifdef|if)\s/) { - push(@stack, [ $type, $level ]); - } elsif ($remainder =~ /^#\s*(?:else|elif)\b/) { - ($type, $level) = @{$stack[$#stack - 1]}; - } elsif ($remainder =~ /^#\s*endif\b/) { - ($type, $level) = @{pop(@stack)}; - } - - # Statement ends at the ';' or a close '}' at the - # outermost level. - if ($level == 0 && $c eq ';') { - last; - } - - # An else is really a conditional as long as its not else if - if ($level == 0 && $coff_set == 0 && - (!defined($p) || $p =~ /(?:\s|\}|\+)/) && - $remainder =~ /^(else)(?:\s|{)/ && - $remainder !~ /^else\s+if\b/) { - $coff = $off + length($1) - 1; - $coff_set = 1; - #warn "CSB: mark coff<$coff> soff<$soff> 1<$1>\n"; - #warn "[" . substr($blk, $soff, $coff - $soff + 1) . "]\n"; - } - - if (($type eq '' || $type eq '(') && $c eq '(') { - $level++; - $type = '('; - } - if ($type eq '(' && $c eq ')') { - $level--; - $type = ($level != 0)? '(' : ''; - - if ($level == 0 && $coff < $soff) { - $coff = $off; - $coff_set = 1; - #warn "CSB: mark coff<$coff>\n"; - } - } - if (($type eq '' || $type eq '{') && $c eq '{') { - $level++; - $type = '{'; - } - if ($type eq '{' && $c eq '}') { - $level--; - $type = ($level != 0)? '{' : ''; - - if ($level == 0) { - if (substr($blk, $off + 1, 1) eq ';') { - $off++; - } - last; - } - } - # Preprocessor commands end at the newline unless escaped. - if ($type eq '#' && $c eq "\n" && $p ne "\\") { - $level--; - $type = ''; - $off++; - last; - } - $off++; - } - # We are truly at the end, so shuffle to the next line. - if ($off == $len) { - $loff = $len + 1; - $line++; - $remain--; - } - - my $statement = substr($blk, $soff, $off - $soff + 1); - my $condition = substr($blk, $soff, $coff - $soff + 1); - - #warn "STATEMENT<$statement>\n"; - #warn "CONDITION<$condition>\n"; - - #print "coff<$coff> soff<$off> loff<$loff>\n"; - - return ($statement, $condition, - $line, $remain + 1, $off - $loff + 1, $level); -} - -sub statement_lines { - my ($stmt) = @_; - - # Strip the diff line prefixes and rip blank lines at start and end. - $stmt =~ s/(^|\n)./$1/g; - $stmt =~ s/^\s*//; - $stmt =~ s/\s*$//; - - my @stmt_lines = ($stmt =~ /\n/g); - - return $#stmt_lines + 2; -} - -sub statement_rawlines { - my ($stmt) = @_; - - my @stmt_lines = ($stmt =~ /\n/g); - - return $#stmt_lines + 2; -} - -sub statement_block_size { - my ($stmt) = @_; - - $stmt =~ s/(^|\n)./$1/g; - $stmt =~ s/^\s*{//; - $stmt =~ s/}\s*$//; - $stmt =~ s/^\s*//; - $stmt =~ s/\s*$//; - - my @stmt_lines = ($stmt =~ /\n/g); - my @stmt_statements = ($stmt =~ /;/g); - - my $stmt_lines = $#stmt_lines + 2; - my $stmt_statements = $#stmt_statements + 1; - - if ($stmt_lines > $stmt_statements) { - return $stmt_lines; - } else { - return $stmt_statements; - } -} - -sub ctx_statement_full { - my ($linenr, $remain, $off) = @_; - my ($statement, $condition, $level); - - my (@chunks); - - # Grab the first conditional/block pair. - ($statement, $condition, $linenr, $remain, $off, $level) = - ctx_statement_block($linenr, $remain, $off); - #print "F: c<$condition> s<$statement> remain<$remain>\n"; - push(@chunks, [ $condition, $statement ]); - if (!($remain > 0 && $condition =~ /^\s*(?:\n[+-])?\s*(?:if|else|do)\b/s)) { - return ($level, $linenr, @chunks); - } - - # Pull in the following conditional/block pairs and see if they - # could continue the statement. - for (;;) { - ($statement, $condition, $linenr, $remain, $off, $level) = - ctx_statement_block($linenr, $remain, $off); - #print "C: c<$condition> s<$statement> remain<$remain>\n"; - last if (!($remain > 0 && $condition =~ /^(?:\s*\n[+-])*\s*(?:else|do)\b/s)); - #print "C: push\n"; - push(@chunks, [ $condition, $statement ]); - } - - return ($level, $linenr, @chunks); -} - -sub ctx_block_get { - my ($linenr, $remain, $outer, $open, $close, $off) = @_; - my $line; - my $start = $linenr - 1; - my $blk = ''; - my @o; - my @c; - my @res = (); - - my $level = 0; - my @stack = ($level); - for ($line = $start; $remain > 0; $line++) { - next if ($rawlines[$line] =~ /^-/); - $remain--; - - $blk .= $rawlines[$line]; - - # Handle nested #if/#else. - if ($lines[$line] =~ /^.\s*#\s*(?:ifndef|ifdef|if)\s/) { - push(@stack, $level); - } elsif ($lines[$line] =~ /^.\s*#\s*(?:else|elif)\b/) { - $level = $stack[$#stack - 1]; - } elsif ($lines[$line] =~ /^.\s*#\s*endif\b/) { - $level = pop(@stack); - } - - foreach my $c (split(//, $lines[$line])) { - ##print "C<$c>L<$level><$open$close>O<$off>\n"; - if ($off > 0) { - $off--; - next; - } - - if ($c eq $close && $level > 0) { - $level--; - last if ($level == 0); - } elsif ($c eq $open) { - $level++; - } - } - - if (!$outer || $level <= 1) { - push(@res, $rawlines[$line]); - } - - last if ($level == 0); - } - - return ($level, @res); -} -sub ctx_block_outer { - my ($linenr, $remain) = @_; - - my ($level, @r) = ctx_block_get($linenr, $remain, 1, '{', '}', 0); - return @r; -} -sub ctx_block { - my ($linenr, $remain) = @_; - - my ($level, @r) = ctx_block_get($linenr, $remain, 0, '{', '}', 0); - return @r; -} -sub ctx_statement { - my ($linenr, $remain, $off) = @_; - - my ($level, @r) = ctx_block_get($linenr, $remain, 0, '(', ')', $off); - return @r; -} -sub ctx_block_level { - my ($linenr, $remain) = @_; - - return ctx_block_get($linenr, $remain, 0, '{', '}', 0); -} -sub ctx_statement_level { - my ($linenr, $remain, $off) = @_; - - return ctx_block_get($linenr, $remain, 0, '(', ')', $off); -} - -sub ctx_locate_comment { - my ($first_line, $end_line) = @_; - - # Catch a comment on the end of the line itself. - my ($current_comment) = ($rawlines[$end_line - 1] =~ m@.*(/\*.*\*/)\s*(?:\\\s*)?$@); - return $current_comment if (defined $current_comment); - - # Look through the context and try and figure out if there is a - # comment. - my $in_comment = 0; - $current_comment = ''; - for (my $linenr = $first_line; $linenr < $end_line; $linenr++) { - my $line = $rawlines[$linenr - 1]; - #warn " $line\n"; - if ($linenr == $first_line and $line =~ m@^.\s*\*@) { - $in_comment = 1; - } - if ($line =~ m@/\*@) { - $in_comment = 1; - } - if (!$in_comment && $current_comment ne '') { - $current_comment = ''; - } - $current_comment .= $line . "\n" if ($in_comment); - if ($line =~ m@\*/@) { - $in_comment = 0; - } - } - - chomp($current_comment); - return($current_comment); -} -sub ctx_has_comment { - my ($first_line, $end_line) = @_; - my $cmt = ctx_locate_comment($first_line, $end_line); - - ##print "LINE: $rawlines[$end_line - 1 ]\n"; - ##print "CMMT: $cmt\n"; - - return ($cmt ne ''); -} - -sub raw_line { - my ($linenr, $cnt) = @_; - - my $offset = $linenr - 1; - $cnt++; - - my $line; - while ($cnt) { - $line = $rawlines[$offset++]; - next if (defined($line) && $line =~ /^-/); - $cnt--; - } - - return $line; -} - -sub cat_vet { - my ($vet) = @_; - my ($res, $coded); - - $res = ''; - while ($vet =~ /([^[:cntrl:]]*)([[:cntrl:]]|$)/g) { - $res .= $1; - if ($2 ne '') { - $coded = sprintf("^%c", unpack('C', $2) + 64); - $res .= $coded; - } - } - $res =~ s/$/\$/; - - return $res; -} - -my $av_preprocessor = 0; -my $av_pending; -my @av_paren_type; -my $av_pend_colon; - -sub annotate_reset { - $av_preprocessor = 0; - $av_pending = '_'; - @av_paren_type = ('E'); - $av_pend_colon = 'O'; -} - -sub annotate_values { - my ($stream, $type) = @_; - - my $res; - my $var = '_' x length($stream); - my $cur = $stream; - - print "$stream\n" if ($dbg_values > 1); - - while (length($cur)) { - @av_paren_type = ('E') if ($#av_paren_type < 0); - print " <" . join('', @av_paren_type) . - "> <$type> <$av_pending>" if ($dbg_values > 1); - if ($cur =~ /^(\s+)/o) { - print "WS($1)\n" if ($dbg_values > 1); - if ($1 =~ /\n/ && $av_preprocessor) { - $type = pop(@av_paren_type); - $av_preprocessor = 0; - } - - } elsif ($cur =~ /^(\(\s*$Type\s*)\)/ && $av_pending eq '_') { - print "CAST($1)\n" if ($dbg_values > 1); - push(@av_paren_type, $type); - $type = 'c'; - - } elsif ($cur =~ /^($Type)\s*(?:$Ident|,|\)|\(|\s*$)/) { - print "DECLARE($1)\n" if ($dbg_values > 1); - $type = 'T'; - - } elsif ($cur =~ /^($Modifier)\s*/) { - print "MODIFIER($1)\n" if ($dbg_values > 1); - $type = 'T'; - - } elsif ($cur =~ /^(\#\s*define\s*$Ident)(\(?)/o) { - print "DEFINE($1,$2)\n" if ($dbg_values > 1); - $av_preprocessor = 1; - push(@av_paren_type, $type); - if ($2 ne '') { - $av_pending = 'N'; - } - $type = 'E'; - - } elsif ($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) { - print "PRE_START($1)\n" if ($dbg_values > 1); - $av_preprocessor = 1; - - push(@av_paren_type, $type); - push(@av_paren_type, $type); - $type = 'E'; - - } elsif ($cur =~ /^(\#\s*(?:else|elif))/o) { - print "PRE_RESTART($1)\n" if ($dbg_values > 1); - $av_preprocessor = 1; - - push(@av_paren_type, $av_paren_type[$#av_paren_type]); - - $type = 'E'; - - } elsif ($cur =~ /^(\#\s*(?:endif))/o) { - print "PRE_END($1)\n" if ($dbg_values > 1); - - $av_preprocessor = 1; - - # Assume all arms of the conditional end as this - # one does, and continue as if the #endif was not here. - pop(@av_paren_type); - push(@av_paren_type, $type); - $type = 'E'; - - } elsif ($cur =~ /^(\\\n)/o) { - print "PRECONT($1)\n" if ($dbg_values > 1); - - } elsif ($cur =~ /^(__attribute__)\s*\(?/o) { - print "ATTR($1)\n" if ($dbg_values > 1); - $av_pending = $type; - $type = 'N'; - - } elsif ($cur =~ /^(sizeof)\s*(\()?/o) { - print "SIZEOF($1)\n" if ($dbg_values > 1); - if (defined $2) { - $av_pending = 'V'; - } - $type = 'N'; - - } elsif ($cur =~ /^(if|while|for)\b/o) { - print "COND($1)\n" if ($dbg_values > 1); - $av_pending = 'E'; - $type = 'N'; - - } elsif ($cur =~/^(case)/o) { - print "CASE($1)\n" if ($dbg_values > 1); - $av_pend_colon = 'C'; - $type = 'N'; - - } elsif ($cur =~/^(return|else|goto|typeof|__typeof__)\b/o) { - print "KEYWORD($1)\n" if ($dbg_values > 1); - $type = 'N'; - - } elsif ($cur =~ /^(\()/o) { - print "PAREN('$1')\n" if ($dbg_values > 1); - push(@av_paren_type, $av_pending); - $av_pending = '_'; - $type = 'N'; - - } elsif ($cur =~ /^(\))/o) { - my $new_type = pop(@av_paren_type); - if ($new_type ne '_') { - $type = $new_type; - print "PAREN('$1') -> $type\n" - if ($dbg_values > 1); - } else { - print "PAREN('$1')\n" if ($dbg_values > 1); - } - - } elsif ($cur =~ /^($Ident)\s*\(/o) { - print "FUNC($1)\n" if ($dbg_values > 1); - $type = 'V'; - $av_pending = 'V'; - - } elsif ($cur =~ /^($Ident\s*):(?:\s*\d+\s*(,|=|;))?/) { - if (defined $2 && $type eq 'C' || $type eq 'T') { - $av_pend_colon = 'B'; - } elsif ($type eq 'E') { - $av_pend_colon = 'L'; - } - print "IDENT_COLON($1,$type>$av_pend_colon)\n" if ($dbg_values > 1); - $type = 'V'; - - } elsif ($cur =~ /^($Ident|$Constant)/o) { - print "IDENT($1)\n" if ($dbg_values > 1); - $type = 'V'; - - } elsif ($cur =~ /^($Assignment)/o) { - print "ASSIGN($1)\n" if ($dbg_values > 1); - $type = 'N'; - - } elsif ($cur =~/^(;|{|})/) { - print "END($1)\n" if ($dbg_values > 1); - $type = 'E'; - $av_pend_colon = 'O'; - - } elsif ($cur =~/^(,)/) { - print "COMMA($1)\n" if ($dbg_values > 1); - $type = 'C'; - - } elsif ($cur =~ /^(\?)/o) { - print "QUESTION($1)\n" if ($dbg_values > 1); - $type = 'N'; - - } elsif ($cur =~ /^(:)/o) { - print "COLON($1,$av_pend_colon)\n" if ($dbg_values > 1); - - substr($var, length($res), 1, $av_pend_colon); - if ($av_pend_colon eq 'C' || $av_pend_colon eq 'L') { - $type = 'E'; - } else { - $type = 'N'; - } - $av_pend_colon = 'O'; - - } elsif ($cur =~ /^(\[)/o) { - print "CLOSE($1)\n" if ($dbg_values > 1); - $type = 'N'; - - } elsif ($cur =~ /^(-(?![->])|\+(?!\+)|\*|\&\&|\&)/o) { - my $variant; - - print "OPV($1)\n" if ($dbg_values > 1); - if ($type eq 'V') { - $variant = 'B'; - } else { - $variant = 'U'; - } - - substr($var, length($res), 1, $variant); - $type = 'N'; - - } elsif ($cur =~ /^($Operators)/o) { - print "OP($1)\n" if ($dbg_values > 1); - if ($1 ne '++' && $1 ne '--') { - $type = 'N'; - } - - } elsif ($cur =~ /(^.)/o) { - print "C($1)\n" if ($dbg_values > 1); - } - if (defined $1) { - $cur = substr($cur, length($1)); - $res .= $type x length($1); - } - } - - return ($res, $var); -} - -sub possible { - my ($possible, $line) = @_; - my $notPermitted = qr{(?: - ^(?: - $Modifier| - $Storage| - $Type| - DEFINE_\S+ - )$| - ^(?: - goto| - return| - case| - else| - asm|__asm__| - do| - \#| - \#\#| - )(?:\s|$)| - ^(?:typedef|struct|enum)\b - )}x; - warn "CHECK<$possible> ($line)\n" if ($dbg_possible > 2); - if ($possible !~ $notPermitted) { - # 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; - for my $modifier (split(' ', $possible)) { - if ($modifier !~ $notPermitted) { - warn "MODIFIER: $modifier ($possible) ($line)\n" if ($dbg_possible); - push(@modifierList, $modifier); - } - } - - } else { - warn "POSSIBLE: $possible ($line)\n" if ($dbg_possible); - push(@typeList, $possible); - } - build_types(); - } else { - warn "NOTPOSS: $possible ($line)\n" if ($dbg_possible > 1); - } -} - -my $prefix = ''; - -sub show_type { - return !defined $ignore_type{$_[0]}; -} - -sub report { - if (!show_type($_[1]) || - (defined $tst_only && $_[2] !~ /\Q$tst_only\E/)) { - return 0; - } - my $line; - if ($show_types) { - $line = "$prefix$_[0]:$_[1]: $_[2]\n"; - } else { - $line = "$prefix$_[0]: $_[2]\n"; - } - $line = (split('\n', $line))[0] . "\n" if ($terse); - - push(our @report, $line); - - return 1; -} -sub report_dump { - our @report; -} - -sub ERROR { - if (report("ERROR", $_[0], $_[1])) { - our $clean = 0; - our $cnt_error++; - } -} -sub WARN { - if (report("WARNING", $_[0], $_[1])) { - our $clean = 0; - our $cnt_warn++; - } -} -sub CHK { - if ($check && report("CHECK", $_[0], $_[1])) { - our $clean = 0; - our $cnt_chk++; - } -} - -sub check_absolute_file { - my ($absolute, $herecurr) = @_; - my $file = $absolute; - - ##print "absolute<$absolute>\n"; - - # See if any suffix of this path is a path within the tree. - while ($file =~ s@^[^/]*/@@) { - if (-f "$root/$file") { - ##print "file<$file>\n"; - last; - } - } - if (! -f _) { - return 0; - } - - # It is, so see if the prefix is acceptable. - my $prefix = $absolute; - substr($prefix, -length($file)) = ''; - - ##print "prefix<$prefix>\n"; - if ($prefix ne ".../") { - WARN("USE_RELATIVE_PATH", - "use relative pathname instead of absolute in changelog text\n" . $herecurr); - } -} - -sub pos_last_openparen { - my ($line) = @_; - - my $pos = 0; - - my $opens = $line =~ tr/\(/\(/; - my $closes = $line =~ tr/\)/\)/; - - my $last_openparen = 0; - - if (($opens == 0) || ($closes >= $opens)) { - return -1; - } - - my $len = length($line); - - for ($pos = 0; $pos < $len; $pos++) { - my $string = substr($line, $pos); - if ($string =~ /^($FuncArg|$balanced_parens)/) { - $pos += length($1) - 1; - } elsif (substr($line, $pos, 1) eq '(') { - $last_openparen = $pos; - } elsif (index($string, '(') == -1) { - last; - } - } - - return $last_openparen + 1; -} - -sub process { - my $filename = shift; - - my $linenr=0; - my $prevline=""; - my $prevrawline=""; - my $stashline=""; - my $stashrawline=""; - - my $length; - my $indent; - my $previndent=0; - my $stashindent=0; - - our $clean = 1; - my $signoff = 0; - my $is_patch = 0; - - my $in_header_lines = 1; - my $in_commit_log = 0; #Scanning lines before patch - - my $non_utf8_charset = 0; - - our @report = (); - our $cnt_lines = 0; - our $cnt_error = 0; - our $cnt_warn = 0; - our $cnt_chk = 0; - - # Trace the real file/line as we go. - my $realfile = ''; - my $realline = 0; - my $realcnt = 0; - my $here = ''; - my $in_comment = 0; - my $comment_edge = 0; - my $first_line = 0; - my $p1_prefix = ''; - - my $prev_values = 'E'; - - # suppression flags - my %suppress_ifbraces; - my %suppress_whiletrailers; - my %suppress_export; - my $suppress_statement = 0; - - my %camelcase = (); - - # Pre-scan the patch sanitizing the lines. - # Pre-scan the patch looking for any __setup documentation. - # - my @setup_docs = (); - my $setup_docs = 0; - - sanitise_line_reset(); - my $line; - foreach my $rawline (@rawlines) { - $linenr++; - $line = $rawline; - - if ($rawline=~/^\+\+\+\s+(\S+)/) { - $setup_docs = 0; - if ($1 =~ m@Documentation/kernel-parameters.txt$@) { - $setup_docs = 1; - } - #next; - } - if ($rawline=~/^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) { - $realline=$1-1; - if (defined $2) { - $realcnt=$3+1; - } else { - $realcnt=1+1; - } - $in_comment = 0; - - # Guestimate if this is a continuing comment. Run - # the context looking for a comment "edge". If this - # edge is a close comment then we must be in a comment - # at context start. - my $edge; - my $cnt = $realcnt; - for (my $ln = $linenr + 1; $cnt > 0; $ln++) { - next if (defined $rawlines[$ln - 1] && - $rawlines[$ln - 1] =~ /^-/); - $cnt--; - #print "RAW<$rawlines[$ln - 1]>\n"; - last if (!defined $rawlines[$ln - 1]); - if ($rawlines[$ln - 1] =~ m@(/\*|\*/)@ && - $rawlines[$ln - 1] !~ m@"[^"]*(?:/\*|\*/)[^"]*"@) { - ($edge) = $1; - last; - } - } - if (defined $edge && $edge eq '*/') { - $in_comment = 1; - } - - # 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 (!defined $edge && - $rawlines[$linenr] =~ m@^.\s*(?:\*\*+| \*)(?:\s|$)@) - { - $in_comment = 1; - } - - ##print "COMMENT:$in_comment edge<$edge> $rawline\n"; - sanitise_line_reset($in_comment); - - } elsif ($realcnt && $rawline =~ /^(?:\+| |$)/) { - # Standardise the strings and chars within the input to - # simplify matching -- only bother with positive lines. - $line = sanitise_line($rawline); - } - push(@lines, $line); - - if ($realcnt > 1) { - $realcnt-- if ($line =~ /^(?:\+| |$)/); - } else { - $realcnt = 0; - } - - #print "==>$rawline\n"; - #print "-->$line\n"; - - if ($setup_docs && $line =~ /^\+/) { - push(@setup_docs, $line); - } - } - - $prefix = ''; - - $realcnt = 0; - $linenr = 0; - foreach my $line (@lines) { - $linenr++; - - my $rawline = $rawlines[$linenr - 1]; - -#extract the line range in the file after the patch is applied - if ($line=~/^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) { - $is_patch = 1; - $first_line = $linenr + 1; - $realline=$1-1; - if (defined $2) { - $realcnt=$3+1; - } else { - $realcnt=1+1; - } - annotate_reset(); - $prev_values = 'E'; - - %suppress_ifbraces = (); - %suppress_whiletrailers = (); - %suppress_export = (); - $suppress_statement = 0; - next; - -# track the line number as we move through the hunk, note that -# new versions of GNU diff omit the leading space on completely -# blank context lines so we need to count that too. - } elsif ($line =~ /^( |\+|$)/) { - $realline++; - $realcnt-- if ($realcnt != 0); - - # Measure the line length and indent. - ($length, $indent) = line_stats($rawline); - - # Track the previous line. - ($prevline, $stashline) = ($stashline, $line); - ($previndent, $stashindent) = ($stashindent, $indent); - ($prevrawline, $stashrawline) = ($stashrawline, $rawline); - - #warn "line<$line>\n"; - - } elsif ($realcnt == 1) { - $realcnt--; - } - - my $hunk_line = ($realcnt != 0); - -#make up the handle for any error we report on this line - $prefix = "$filename:$realline: " if ($emacs && $file); - $prefix = "$filename:$linenr: " if ($emacs && !$file); - - $here = "#$linenr: " if (!$file); - $here = "#$realline: " if ($file); - - # extract the filename as it passes - if ($line =~ /^diff --git.*?(\S+)$/) { - $realfile = $1; - $realfile =~ s@^([^/]*)/@@; - $in_commit_log = 0; - } elsif ($line =~ /^\+\+\+\s+(\S+)/) { - $realfile = $1; - $realfile =~ s@^([^/]*)/@@; - $in_commit_log = 0; - - $p1_prefix = $1; - if (!$file && $tree && $p1_prefix ne '' && - -e "$root/$p1_prefix") { - WARN("PATCH_PREFIX", - "patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n"); - } - - if ($realfile =~ m@^include/asm/@) { - ERROR("MODIFIED_INCLUDE_ASM", - "do not modify files in include/asm, change architecture specific files in include/asm-<architecture>\n" . "$here$rawline\n"); - } - next; - } - - $here .= "FILE: $realfile:$realline:" if ($realcnt != 0); - - my $hereline = "$here\n$rawline\n"; - my $herecurr = "$here\n$rawline\n"; - my $hereprev = "$here\n$prevrawline\n$rawline\n"; - - $cnt_lines++ if ($realcnt != 0); - -# Check for incorrect file permissions - if ($line =~ /^new (file )?mode.*[7531]\d{0,2}$/) { - my $permhere = $here . "FILE: $realfile\n"; - if ($realfile =~ /(Makefile|Kconfig|\.c|\.h|\.S|\.tmpl)$/) { - ERROR("EXECUTE_PERMISSIONS", - "do not set execute permissions for source files\n" . $permhere); - } - } - -# Check the patch for a signoff: - if ($line =~ /^\s*signed-off-by:/i) { - $signoff++; - $in_commit_log = 0; - } - -# Check signature styles - if (!$in_header_lines && - $line =~ /^(\s*)([a-z0-9_-]+by:|$signature_tags)(\s*)(.*)/i) { - my $space_before = $1; - my $sign_off = $2; - my $space_after = $3; - my $email = $4; - my $ucfirst_sign_off = ucfirst(lc($sign_off)); - - if ($sign_off !~ /$signature_tags/) { - WARN("BAD_SIGN_OFF", - "Non-standard signature: $sign_off\n" . $herecurr); - } - if (defined $space_before && $space_before ne "") { - WARN("BAD_SIGN_OFF", - "Do not use whitespace before $ucfirst_sign_off\n" . $herecurr); - } - if ($sign_off =~ /-by:$/i && $sign_off ne $ucfirst_sign_off) { - WARN("BAD_SIGN_OFF", - "'$ucfirst_sign_off' is the preferred signature form\n" . $herecurr); - } - if (!defined $space_after || $space_after ne " ") { - WARN("BAD_SIGN_OFF", - "Use a single space after $ucfirst_sign_off\n" . $herecurr); - } - - my ($email_name, $email_address, $comment) = parse_email($email); - my $suggested_email = format_email(($email_name, $email_address)); - if ($suggested_email eq "") { - ERROR("BAD_SIGN_OFF", - "Unrecognized email address: '$email'\n" . $herecurr); - } else { - my $dequoted = $suggested_email; - $dequoted =~ s/^"//; - $dequoted =~ s/" </ </; - # Don't force email to have quotes - # Allow just an angle bracketed address - if ("$dequoted$comment" ne $email && - "<$email_address>$comment" ne $email && - "$suggested_email$comment" ne $email) { - WARN("BAD_SIGN_OFF", - "email address '$email' might be better as '$suggested_email$comment'\n" . $herecurr); - } - } - } - -# Check for wrappage within a valid hunk of the file - if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) { - ERROR("CORRUPTED_PATCH", - "patch seems to be corrupt (line wrapped?)\n" . - $herecurr) if (!$emitted_corrupt++); - } - -# Check for absolute kernel paths. - if ($tree) { - while ($line =~ m{(?:^|\s)(/\S*)}g) { - my $file = $1; - - if ($file =~ m{^(.*?)(?::\d+)+:?$} && - check_absolute_file($1, $herecurr)) { - # - } else { - check_absolute_file($file, $herecurr); - } - } - } - -# UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php - if (($realfile =~ /^$/ || $line =~ /^\+/) && - $rawline !~ m/^$UTF8*$/) { - my ($utf8_prefix) = ($rawline =~ /^($UTF8*)/); - - my $blank = copy_spacing($rawline); - my $ptr = substr($blank, 0, length($utf8_prefix)) . "^"; - my $hereptr = "$hereline$ptr\n"; - - CHK("INVALID_UTF8", - "Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr); - } - -# Check if it's the start of a commit log -# (not a header line and we haven't seen the patch filename) - if ($in_header_lines && $realfile =~ /^$/ && - $rawline !~ /^(commit\b|from\b|[\w-]+:).+$/i) { - $in_header_lines = 0; - $in_commit_log = 1; - } - -# Check if there is UTF-8 in a commit log when a mail header has explicitly -# declined it, i.e defined some charset where it is missing. - if ($in_header_lines && - $rawline =~ /^Content-Type:.+charset="(.+)".*$/ && - $1 !~ /utf-8/i) { - $non_utf8_charset = 1; - } - - if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ && - $rawline =~ /$NON_ASCII_UTF8/) { - WARN("UTF8_BEFORE_PATCH", - "8-bit UTF-8 used in possible commit log\n" . $herecurr); - } - -# ignore non-hunk lines and lines being removed - next if (!$hunk_line || $line =~ /^-/); - -#trailing whitespace - if ($line =~ /^\+.*\015/) { - my $herevet = "$here\n" . cat_vet($rawline) . "\n"; - ERROR("DOS_LINE_ENDINGS", - "DOS line endings\n" . $herevet); - - } elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) { - my $herevet = "$here\n" . cat_vet($rawline) . "\n"; - ERROR("TRAILING_WHITESPACE", - "trailing whitespace\n" . $herevet); - $rpt_cleaners = 1; - } - -# check for Kconfig help text having a real description -# Only applies when adding the entry originally, after that we do not have -# sufficient context to determine whether it is indeed long enough. - if ($realfile =~ /Kconfig/ && - $line =~ /.\s*config\s+/) { - my $length = 0; - my $cnt = $realcnt; - my $ln = $linenr + 1; - my $f; - my $is_start = 0; - my $is_end = 0; - for (; $cnt > 0 && defined $lines[$ln - 1]; $ln++) { - $f = $lines[$ln - 1]; - $cnt-- if ($lines[$ln - 1] !~ /^-/); - $is_end = $lines[$ln - 1] =~ /^\+/; - - next if ($f =~ /^-/); - - if ($lines[$ln - 1] =~ /.\s*(?:bool|tristate)\s*\"/) { - $is_start = 1; - } elsif ($lines[$ln - 1] =~ /.\s*(?:---)?help(?:---)?$/) { - $length = -1; - } - - $f =~ s/^.//; - $f =~ s/#.*//; - $f =~ s/^\s+//; - next if ($f =~ /^$/); - if ($f =~ /^\s*config\s/) { - $is_end = 1; - last; - } - $length++; - } - WARN("CONFIG_DESCRIPTION", - "please write a paragraph that describes the config symbol fully\n" . $herecurr) if ($is_start && $is_end && $length < 4); - #print "is_start<$is_start> is_end<$is_end> length<$length>\n"; - } - -# discourage the addition of CONFIG_EXPERIMENTAL in Kconfig. - if ($realfile =~ /Kconfig/ && - $line =~ /.\s*depends on\s+.*\bEXPERIMENTAL\b/) { - WARN("CONFIG_EXPERIMENTAL", - "Use of CONFIG_EXPERIMENTAL is deprecated. For alternatives, see https://lkml.org/lkml/2012/10/23/580\n"); - } - - if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) && - ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) { - my $flag = $1; - my $replacement = { - 'EXTRA_AFLAGS' => 'asflags-y', - 'EXTRA_CFLAGS' => 'ccflags-y', - 'EXTRA_CPPFLAGS' => 'cppflags-y', - 'EXTRA_LDFLAGS' => 'ldflags-y', - }; - - WARN("DEPRECATED_VARIABLE", - "Use of $flag is deprecated, please use \`$replacement->{$flag} instead.\n" . $herecurr) if ($replacement->{$flag}); - } - -# check we are in a valid source file if not then ignore this hunk - next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/); - -#line length limit - if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ && - $rawline !~ /^.\s*\*\s*\@$Ident\s/ && - !($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:|,|\)\s*;)\s*$/ || - $line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) && - $length > $max_line_length) - { - WARN("LONG_LINE", - "line over $max_line_length characters\n" . $herecurr); - } - -# Check for user-visible strings broken across lines, which breaks the ability -# to grep for the string. Limited to strings used as parameters (those -# following an open parenthesis), which almost completely eliminates false -# positives, as well as warning only once per parameter rather than once per -# line of the string. Make an exception when the previous string ends in a -# newline (multiple lines in one string constant) or \n\t (common in inline -# assembly to indent the instruction on the following line). - if ($line =~ /^\+\s*"/ && - $prevline =~ /"\s*$/ && - $prevline =~ /\(/ && - $prevrawline !~ /\\n(?:\\t)*"\s*$/) { - WARN("SPLIT_STRING", - "quoted string split across lines\n" . $hereprev); - } - -# check for spaces before a quoted newline - if ($rawline =~ /^.*\".*\s\\n/) { - WARN("QUOTED_WHITESPACE_BEFORE_NEWLINE", - "unnecessary whitespace before a quoted newline\n" . $herecurr); - } - -# check for adding lines without a newline. - if ($line =~ /^\+/ && defined $lines[$linenr] && $lines[$linenr] =~ /^\\ No newline at end of file/) { - WARN("MISSING_EOF_NEWLINE", - "adding a line without newline at end of file\n" . $herecurr); - } - -# Blackfin: use hi/lo macros - if ($realfile =~ m@arch/blackfin/.*\.S$@) { - if ($line =~ /\.[lL][[:space:]]*=.*&[[:space:]]*0x[fF][fF][fF][fF]/) { - my $herevet = "$here\n" . cat_vet($line) . "\n"; - ERROR("LO_MACRO", - "use the LO() macro, not (... & 0xFFFF)\n" . $herevet); - } - if ($line =~ /\.[hH][[:space:]]*=.*>>[[:space:]]*16/) { - my $herevet = "$here\n" . cat_vet($line) . "\n"; - ERROR("HI_MACRO", - "use the HI() macro, not (... >> 16)\n" . $herevet); - } - } - -# check we are in a valid source file C or perl if not then ignore this hunk - next if ($realfile !~ /\.(h|c|pl)$/); - -# at the beginning of a line any tabs must come first and anything -# more than 8 must use tabs. - if ($rawline =~ /^\+\s* \t\s*\S/ || - $rawline =~ /^\+\s* \s*/) { - my $herevet = "$here\n" . cat_vet($rawline) . "\n"; - ERROR("CODE_INDENT", - "code indent should use tabs where possible\n" . $herevet); - $rpt_cleaners = 1; - } - -# check for space before tabs. - if ($rawline =~ /^\+/ && $rawline =~ / \t/) { - my $herevet = "$here\n" . cat_vet($rawline) . "\n"; - WARN("SPACE_BEFORE_TAB", - "please, no space before tabs\n" . $herevet); - } - -# check for && or || at the start of a line - if ($rawline =~ /^\+\s*(&&|\|\|)/) { - CHK("LOGICAL_CONTINUATIONS", - "Logical continuations should be on the previous line\n" . $hereprev); - } - -# check multi-line statement indentation matches previous line - if ($^V && $^V ge 5.10.0 && - $prevline =~ /^\+(\t*)(if \(|$Ident\().*(\&\&|\|\||,)\s*$/) { - $prevline =~ /^\+(\t*)(.*)$/; - my $oldindent = $1; - my $rest = $2; - - my $pos = pos_last_openparen($rest); - if ($pos >= 0) { - $line =~ /^(\+| )([ \t]*)/; - my $newindent = $2; - - my $goodtabindent = $oldindent . - "\t" x ($pos / 8) . - " " x ($pos % 8); - my $goodspaceindent = $oldindent . " " x $pos; - - if ($newindent ne $goodtabindent && - $newindent ne $goodspaceindent) { - CHK("PARENTHESIS_ALIGNMENT", - "Alignment should match open parenthesis\n" . $hereprev); - } - } - } - - if ($line =~ /^\+.*\*[ \t]*\)[ \t]+/) { - CHK("SPACING", - "No space is necessary after a cast\n" . $hereprev); - } - - if ($realfile =~ m@^(drivers/net/|net/)@ && - $rawline =~ /^\+[ \t]*\/\*[ \t]*$/ && - $prevrawline =~ /^\+[ \t]*$/) { - WARN("NETWORKING_BLOCK_COMMENT_STYLE", - "networking block comments don't use an empty /* line, use /* Comment...\n" . $hereprev); - } - - if ($realfile =~ m@^(drivers/net/|net/)@ && - $rawline !~ m@^\+[ \t]*\*/[ \t]*$@ && #trailing */ - $rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ && #inline /*...*/ - $rawline !~ m@^\+.*\*{2,}/[ \t]*$@ && #trailing **/ - $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) { #non blank */ - WARN("NETWORKING_BLOCK_COMMENT_STYLE", - "networking block comments put the trailing */ on a separate line\n" . $herecurr); - } - -# check for spaces at the beginning of a line. -# Exceptions: -# 1) within comments -# 2) indented preprocessor commands -# 3) hanging labels - if ($rawline =~ /^\+ / && $line !~ /\+ *(?:$;|#|$Ident:)/) { - my $herevet = "$here\n" . cat_vet($rawline) . "\n"; - WARN("LEADING_SPACE", - "please, no spaces at the start of a line\n" . $herevet); - } - -# check we are in a valid C source file if not then ignore this hunk - next if ($realfile !~ /\.(h|c)$/); - -# discourage the addition of CONFIG_EXPERIMENTAL in #if(def). - if ($line =~ /^\+\s*\#\s*if.*\bCONFIG_EXPERIMENTAL\b/) { - WARN("CONFIG_EXPERIMENTAL", - "Use of CONFIG_EXPERIMENTAL is deprecated. For alternatives, see https://lkml.org/lkml/2012/10/23/580\n"); - } - -# check for RCS/CVS revision markers - if ($rawline =~ /^\+.*\$(Revision|Log|Id)(?:\$|)/) { - WARN("CVS_KEYWORD", - "CVS style keyword markers, these will _not_ be updated\n". $herecurr); - } - -# Blackfin: don't use __builtin_bfin_[cs]sync - if ($line =~ /__builtin_bfin_csync/) { - my $herevet = "$here\n" . cat_vet($line) . "\n"; - ERROR("CSYNC", - "use the CSYNC() macro in asm/blackfin.h\n" . $herevet); - } - if ($line =~ /__builtin_bfin_ssync/) { - my $herevet = "$here\n" . cat_vet($line) . "\n"; - ERROR("SSYNC", - "use the SSYNC() macro in asm/blackfin.h\n" . $herevet); - } - -# check for old HOTPLUG __dev<foo> section markings - if ($line =~ /\b(__dev(init|exit)(data|const|))\b/) { - WARN("HOTPLUG_SECTION", - "Using $1 is unnecessary\n" . $herecurr); - } - -# Check for potential 'bare' types - my ($stat, $cond, $line_nr_next, $remain_next, $off_next, - $realline_next); -#print "LINE<$line>\n"; - if ($linenr >= $suppress_statement && - $realcnt && $line =~ /.\s*\S/) { - ($stat, $cond, $line_nr_next, $remain_next, $off_next) = - ctx_statement_block($linenr, $realcnt, 0); - $stat =~ s/\n./\n /g; - $cond =~ s/\n./\n /g; - -#print "linenr<$linenr> <$stat>\n"; - # If this statement has no statement boundaries within - # it there is no point in retrying a statement scan - # until we hit end of it. - my $frag = $stat; $frag =~ s/;+\s*$//; - if ($frag !~ /(?:{|;)/) { -#print "skip<$line_nr_next>\n"; - $suppress_statement = $line_nr_next; - } - - # Find the real next line. - $realline_next = $line_nr_next; - if (defined $realline_next && - (!defined $lines[$realline_next - 1] || - substr($lines[$realline_next - 1], $off_next) =~ /^\s*$/)) { - $realline_next++; - } - - my $s = $stat; - $s =~ s/{.*$//s; - - # Ignore goto labels. - if ($s =~ /$Ident:\*$/s) { - - # Ignore functions being called - } elsif ($s =~ /^.\s*$Ident\s*\(/s) { - - } elsif ($s =~ /^.\s*else\b/s) { - - # declarations always start with types - } elsif ($prev_values eq 'E' && $s =~ /^.\s*(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?((?:\s*$Ident)+?)\b(?:\s+$Sparse)?\s*\**\s*(?:$Ident|\(\*[^\)]*\))(?:\s*$Modifier)?\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*(?!:)/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, "C:" . $s); - } - - # Check for any sort of function declaration. - # int foo(something bar, other baz); - # void (*store_gdt)(x86_descr_ptr *); - if ($prev_values eq 'E' && $s =~ /^(.(?:typedef\s*)?(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*(?:\b$Ident|\(\*\s*$Ident\))\s*)\(/s) { - my ($name_len) = length($1); - - my $ctx = $s; - substr($ctx, 0, $name_len + 1, ''); - $ctx =~ s/\)[^\)]*$//; - - for my $arg (split(/\s*,\s*/, $ctx)) { - if ($arg =~ /^(?:const\s+)?($Ident)(?:\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/s || $arg =~ /^($Ident)$/s) { - - possible($1, "D:" . $s); - } - } - } - - } - -# -# Checks which may be anchored in the context. -# - -# Check for switch () and associated case and default -# statements should be at the same indent. - if ($line=~/\bswitch\s*\(.*\)/) { - my $err = ''; - my $sep = ''; - my @ctx = ctx_block_outer($linenr, $realcnt); - shift(@ctx); - for my $ctx (@ctx) { - my ($clen, $cindent) = line_stats($ctx); - if ($ctx =~ /^\+\s*(case\s+|default:)/ && - $indent != $cindent) { - $err .= "$sep$ctx\n"; - $sep = ''; - } else { - $sep = "[...]\n"; - } - } - if ($err ne '') { - ERROR("SWITCH_CASE_INDENT_LEVEL", - "switch and case should be at the same indent\n$hereline$err"); - } - } - -# 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 !~ /^.\s*\#/) { - my $pre_ctx = "$1$2"; - - my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, 0); - - if ($line =~ /^\+\t{6,}/) { - WARN("DEEP_INDENTATION", - "Too many leading tabs - consider code refactoring\n" . $herecurr); - } - - my $ctx_cnt = $realcnt - $#ctx - 1; - my $ctx = join("\n", @ctx); - - my $ctx_ln = $linenr; - my $ctx_skip = $realcnt; - - while ($ctx_skip > $ctx_cnt || ($ctx_skip == $ctx_cnt && - defined $lines[$ctx_ln - 1] && - $lines[$ctx_ln - 1] =~ /^-/)) { - ##print "SKIP<$ctx_skip> CNT<$ctx_cnt>\n"; - $ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/); - $ctx_ln++; - } - - #print "realcnt<$realcnt> ctx_cnt<$ctx_cnt>\n"; - #print "pre<$pre_ctx>\nline<$line>\nctx<$ctx>\nnext<$lines[$ctx_ln - 1]>\n"; - - if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln -1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) { - ERROR("OPEN_BRACE", - "that open brace { should be on the previous line\n" . - "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n"); - } - if ($level == 0 && $pre_ctx !~ /}\s*while\s*\($/ && - $ctx =~ /\)\s*\;\s*$/ && - defined $lines[$ctx_ln - 1]) - { - my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]); - if ($nindent > $indent) { - WARN("TRAILING_SEMICOLON", - "trailing semicolon indicates no statements, indent implies otherwise\n" . - "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n"); - } - } - } - -# Check relative indent for conditionals and blocks. - if ($line =~ /\b(?:(?:if|while|for)\s*\(|do\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) { - ($stat, $cond, $line_nr_next, $remain_next, $off_next) = - ctx_statement_block($linenr, $realcnt, 0) - if (!defined $stat); - my ($s, $c) = ($stat, $cond); - - substr($s, 0, length($c), ''); - - # Make sure we remove the line prefixes as we have - # none on the first line, and are going to readd them - # where necessary. - $s =~ s/\n./\n/gs; - - # Find out how long the conditional actually is. - my @newlines = ($c =~ /\n/gs); - my $cond_lines = 1 + $#newlines; - - # We want to check the first line inside the block - # starting at the end of the conditional, so remove: - # 1) any blank line termination - # 2) any opening brace { on end of the line - # 3) any do (...) { - my $continuation = 0; - my $check = 0; - $s =~ s/^.*\bdo\b//; - $s =~ s/^\s*{//; - if ($s =~ s/^\s*\\//) { - $continuation = 1; - } - if ($s =~ s/^\s*?\n//) { - $check = 1; - $cond_lines++; - } - - # Also ignore a loop construct at the end of a - # preprocessor statement. - if (($prevline =~ /^.\s*#\s*define\s/ || - $prevline =~ /\\\s*$/) && $continuation == 0) { - $check = 0; - } - - my $cond_ptr = -1; - $continuation = 0; - while ($cond_ptr != $cond_lines) { - $cond_ptr = $cond_lines; - - # If we see an #else/#elif then the code - # is not linear. - if ($s =~ /^\s*\#\s*(?:else|elif)/) { - $check = 0; - } - - # Ignore: - # 1) blank lines, they should be at 0, - # 2) preprocessor lines, and - # 3) labels. - if ($continuation || - $s =~ /^\s*?\n/ || - $s =~ /^\s*#\s*?/ || - $s =~ /^\s*$Ident\s*:/) { - $continuation = ($s =~ /^.*?\\\n/) ? 1 : 0; - if ($s =~ s/^.*?\n//) { - $cond_lines++; - } - } - } - - my (undef, $sindent) = line_stats("+" . $s); - my $stat_real = raw_line($linenr, $cond_lines); - - # Check if either of these lines are modified, else - # this is not this patch's fault. - if (!defined($stat_real) || - $stat !~ /^\+/ && $stat_real !~ /^\+/) { - $check = 0; - } - if (defined($stat_real) && $cond_lines > 1) { - $stat_real = "[...]\n$stat_real"; - } - - #print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s> cond_lines<$cond_lines> stat_real<$stat_real> stat<$stat>\n"; - - if ($check && (($sindent % 8) != 0 || - ($sindent <= $indent && $s ne ''))) { - WARN("SUSPECT_CODE_INDENT", - "suspect code indent for conditional statements ($indent, $sindent)\n" . $herecurr . "$stat_real\n"); - } - } - - # Track the 'values' across context and added lines. - my $opline = $line; $opline =~ s/^./ /; - my ($curr_values, $curr_vars) = - annotate_values($opline . "\n", $prev_values); - $curr_values = $prev_values . $curr_values; - if ($dbg_values) { - my $outline = $opline; $outline =~ s/\t/ /g; - print "$linenr > .$outline\n"; - print "$linenr > $curr_values\n"; - print "$linenr > $curr_vars\n"; - } - $prev_values = substr($curr_values, -1); - -#ignore lines not being added - if ($line=~/^[^\+]/) {next;} - -# TEST: allow direct testing of the type matcher. - if ($dbg_type) { - if ($line =~ /^.\s*$Declare\s*$/) { - ERROR("TEST_TYPE", - "TEST: is type\n" . $herecurr); - } elsif ($dbg_type > 1 && $line =~ /^.+($Declare)/) { - ERROR("TEST_NOT_TYPE", - "TEST: is not type ($1 is)\n". $herecurr); - } - next; - } -# TEST: allow direct testing of the attribute matcher. - if ($dbg_attr) { - if ($line =~ /^.\s*$Modifier\s*$/) { - ERROR("TEST_ATTR", - "TEST: is attr\n" . $herecurr); - } elsif ($dbg_attr > 1 && $line =~ /^.+($Modifier)/) { - ERROR("TEST_NOT_ATTR", - "TEST: is not attr ($1 is)\n". $herecurr); - } - next; - } - -# check for initialisation to aggregates open brace on the next line - if ($line =~ /^.\s*{/ && - $prevline =~ /(?:^|[^=])=\s*$/) { - ERROR("OPEN_BRACE", - "that open brace { should be on the previous line\n" . $hereprev); - } - -# -# Checks which are anchored on the added line. -# - -# check for malformed paths in #include statements (uses RAW line) - if ($rawline =~ m{^.\s*\#\s*include\s+[<"](.*)[">]}) { - my $path = $1; - if ($path =~ m{//}) { - ERROR("MALFORMED_INCLUDE", - "malformed #include filename\n" . $herecurr); - } - if ($path =~ "^uapi/" && $realfile =~ m@\binclude/uapi/@) { - ERROR("UAPI_INCLUDE", - "No #include in ...include/uapi/... should use a uapi/ path prefix\n" . $herecurr); - } - } - -# no C99 // comments - if ($line =~ m{//}) { - ERROR("C99_COMMENTS", - "do not use C99 // comments\n" . $herecurr); - } - # Remove C99 comments. - $line =~ s@//.*@@; - $opline =~ s@//.*@@; - -# EXPORT_SYMBOL should immediately follow the thing it is exporting, consider -# the whole statement. -#print "APW <$lines[$realline_next - 1]>\n"; - if (defined $realline_next && - exists $lines[$realline_next - 1] && - !defined $suppress_export{$realline_next} && - ($lines[$realline_next - 1] =~ /EXPORT_SYMBOL.*\((.*)\)/ || - $lines[$realline_next - 1] =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) { - # Handle definitions which produce identifiers with - # a prefix: - # XXX(foo); - # EXPORT_SYMBOL(something_foo); - my $name = $1; - if ($stat =~ /^(?:.\s*}\s*\n)?.([A-Z_]+)\s*\(\s*($Ident)/ && - $name =~ /^${Ident}_$2/) { -#print "FOO C name<$name>\n"; - $suppress_export{$realline_next} = 1; - - } elsif ($stat !~ /(?: - \n.}\s*$| - ^.DEFINE_$Ident\(\Q$name\E\)| - ^.DECLARE_$Ident\(\Q$name\E\)| - ^.LIST_HEAD\(\Q$name\E\)| - ^.(?:$Storage\s+)?$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(| - \b\Q$name\E(?:\s+$Attribute)*\s*(?:;|=|\[|\() - )/x) { -#print "FOO A<$lines[$realline_next - 1]> stat<$stat> name<$name>\n"; - $suppress_export{$realline_next} = 2; - } else { - $suppress_export{$realline_next} = 1; - } - } - if (!defined $suppress_export{$linenr} && - $prevline =~ /^.\s*$/ && - ($line =~ /EXPORT_SYMBOL.*\((.*)\)/ || - $line =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) { -#print "FOO B <$lines[$linenr - 1]>\n"; - $suppress_export{$linenr} = 2; - } - if (defined $suppress_export{$linenr} && - $suppress_export{$linenr} == 2) { - WARN("EXPORT_SYMBOL", - "EXPORT_SYMBOL(foo); should immediately follow its function/variable\n" . $herecurr); - } - -# check for global initialisers. - if ($line =~ /^.$Type\s*$Ident\s*(?:\s+$Modifier)*\s*=\s*(0|NULL|false)\s*;/) { - ERROR("GLOBAL_INITIALISERS", - "do not initialise globals to 0 or NULL\n" . - $herecurr); - } -# check for static initialisers. - if ($line =~ /\bstatic\s.*=\s*(0|NULL|false)\s*;/) { - ERROR("INITIALISED_STATIC", - "do not initialise statics to 0 or NULL\n" . - $herecurr); - } - -# check for static const char * arrays. - if ($line =~ /\bstatic\s+const\s+char\s*\*\s*(\w+)\s*\[\s*\]\s*=\s*/) { - WARN("STATIC_CONST_CHAR_ARRAY", - "static const char * array should probably be static const char * const\n" . - $herecurr); - } - -# check for static char foo[] = "bar" declarations. - if ($line =~ /\bstatic\s+char\s+(\w+)\s*\[\s*\]\s*=\s*"/) { - WARN("STATIC_CONST_CHAR_ARRAY", - "static char array declaration should probably be static const char\n" . - $herecurr); - } - -# check for declarations of struct pci_device_id - if ($line =~ /\bstruct\s+pci_device_id\s+\w+\s*\[\s*\]\s*\=\s*\{/) { - WARN("DEFINE_PCI_DEVICE_TABLE", - "Use DEFINE_PCI_DEVICE_TABLE for struct pci_device_id\n" . $herecurr); - } - -# check for new typedefs, only function parameters and sparse annotations -# make sense. - if ($line =~ /\btypedef\s/ && - $line !~ /\btypedef\s+$Type\s*\(\s*\*?$Ident\s*\)\s*\(/ && - $line !~ /\btypedef\s+$Type\s+$Ident\s*\(/ && - $line !~ /\b$typeTypedefs\b/ && - $line !~ /\b__bitwise(?:__|)\b/) { - WARN("NEW_TYPEDEFS", - "do not add new typedefs\n" . $herecurr); - } - -# * goes on variable not on type - # (char*[ const]) - while ($line =~ m{(\($NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)\))}g) { - #print "AA<$1>\n"; - my ($from, $to) = ($2, $2); - - # Should start with a space. - $to =~ s/^(\S)/ $1/; - # Should not end with a space. - $to =~ s/\s+$//; - # '*'s should not have spaces between. - while ($to =~ s/\*\s+\*/\*\*/) { - } - - #print "from<$from> to<$to>\n"; - if ($from ne $to) { - ERROR("POINTER_LOCATION", - "\"(foo$from)\" should be \"(foo$to)\"\n" . $herecurr); - } - } - while ($line =~ m{(\b$NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)($Ident))}g) { - #print "BB<$1>\n"; - my ($from, $to, $ident) = ($2, $2, $3); - - # Should start with a space. - $to =~ s/^(\S)/ $1/; - # Should not end with a space. - $to =~ s/\s+$//; - # '*'s should not have spaces between. - while ($to =~ s/\*\s+\*/\*\*/) { - } - # Modifiers should have spaces. - $to =~ s/(\b$Modifier$)/$1 /; - - #print "from<$from> to<$to> ident<$ident>\n"; - if ($from ne $to && $ident !~ /^$Modifier$/) { - ERROR("POINTER_LOCATION", - "\"foo${from}bar\" should be \"foo${to}bar\"\n" . $herecurr); - } - } - -# # no BUG() or BUG_ON() -# if ($line =~ /\b(BUG|BUG_ON)\b/) { -# print "Try to use WARN_ON & Recovery code rather than BUG() or BUG_ON()\n"; -# print "$herecurr"; -# $clean = 0; -# } - - if ($line =~ /\bLINUX_VERSION_CODE\b/) { - WARN("LINUX_VERSION_CODE", - "LINUX_VERSION_CODE should be avoided, code should be for the version to which it is merged\n" . $herecurr); - } - -# check for uses of printk_ratelimit - if ($line =~ /\bprintk_ratelimit\s*\(/) { - WARN("PRINTK_RATELIMITED", -"Prefer printk_ratelimited or pr_<level>_ratelimited to printk_ratelimit\n" . $herecurr); - } - -# printk should use KERN_* levels. Note that follow on printk's on the -# same line do not need a level, so we use the current block context -# to try and find and validate the current printk. In summary the current -# printk includes all preceding printk's which have no newline on the end. -# we assume the first bad printk is the one to report. - if ($line =~ /\bprintk\((?!KERN_)\s*"/) { - my $ok = 0; - for (my $ln = $linenr - 1; $ln >= $first_line; $ln--) { - #print "CHECK<$lines[$ln - 1]\n"; - # we have a preceding printk if it ends - # with "\n" ignore it, else it is to blame - if ($lines[$ln - 1] =~ m{\bprintk\(}) { - if ($rawlines[$ln - 1] !~ m{\\n"}) { - $ok = 1; - } - last; - } - } - if ($ok == 0) { - WARN("PRINTK_WITHOUT_KERN_LEVEL", - "printk() should include KERN_ facility level\n" . $herecurr); - } - } - - if ($line =~ /\bprintk\s*\(\s*KERN_([A-Z]+)/) { - my $orig = $1; - my $level = lc($orig); - $level = "warn" if ($level eq "warning"); - my $level2 = $level; - $level2 = "dbg" if ($level eq "debug"); - WARN("PREFER_PR_LEVEL", - "Prefer netdev_$level2(netdev, ... then dev_$level2(dev, ... then pr_$level(... to printk(KERN_$orig ...\n" . $herecurr); - } - - if ($line =~ /\bpr_warning\s*\(/) { - WARN("PREFER_PR_LEVEL", - "Prefer pr_warn(... to pr_warning(...\n" . $herecurr); - } - - if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) { - my $orig = $1; - my $level = lc($orig); - $level = "warn" if ($level eq "warning"); - $level = "dbg" if ($level eq "debug"); - WARN("PREFER_DEV_LEVEL", - "Prefer dev_$level(... to dev_printk(KERN_$orig, ...\n" . $herecurr); - } - -# function brace can't be on same line, except for #defines of do while, -# or if closed on same line - if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and - !($line=~/\#\s*define.*do\s{/) and !($line=~/}/)) { - ERROR("OPEN_BRACE", - "open brace '{' following function declarations go on the next line\n" . $herecurr); - } - -# open braces for enum, union and struct go on the same line. - if ($line =~ /^.\s*{/ && - $prevline =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?\s*$/) { - ERROR("OPEN_BRACE", - "open brace '{' following $1 go on the same line\n" . $hereprev); - } - -# missing space after union, struct or enum definition - if ($line =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?(?:\s+$Ident)?[=\{]/) { - WARN("SPACING", - "missing space after $1 definition\n" . $herecurr); - } - -# check for spacing round square brackets; allowed: -# 1. with a type on the left -- int [] a; -# 2. at the beginning of a line for slice initialisers -- [0...10] = 5, -# 3. inside a curly brace -- = { [0...10] = 5 } - while ($line =~ /(.*?\s)\[/g) { - my ($where, $prefix) = ($-[1], $1); - if ($prefix !~ /$Type\s+$/ && - ($where != 0 || $prefix !~ /^.\s+$/) && - $prefix !~ /[{,]\s+$/) { - ERROR("BRACKET_SPACE", - "space prohibited before open square bracket '['\n" . $herecurr); - } - } - -# check for spaces between functions and their parentheses. - while ($line =~ /($Ident)\s+\(/g) { - my $name = $1; - my $ctx_before = substr($line, 0, $-[1]); - my $ctx = "$ctx_before$name"; - - # Ignore those directives where spaces _are_ permitted. - if ($name =~ /^(?: - if|for|while|switch|return|case| - volatile|__volatile__| - __attribute__|format|__extension__| - asm|__asm__)$/x) - { - - # cpp #define statements have non-optional spaces, ie - # if there is a space between the name and the open - # parenthesis it is simply not a parameter group. - } elsif ($ctx_before =~ /^.\s*\#\s*define\s*$/) { - - # cpp #elif statement condition may start with a ( - } elsif ($ctx =~ /^.\s*\#\s*elif\s*$/) { - - # If this whole things ends with a type its most - # likely a typedef for a function. - } elsif ($ctx =~ /$Type$/) { - - } else { - WARN("SPACING", - "space prohibited between function name and open parenthesis '('\n" . $herecurr); - } - } - -# check for whitespace before a non-naked semicolon - if ($line =~ /^\+.*\S\s+;/) { - CHK("SPACING", - "space prohibited before semicolon\n" . $herecurr); - } - -# Check operator spacing. - if (!($line=~/\#\s*include/)) { - my $ops = qr{ - <<=|>>=|<=|>=|==|!=| - \+=|-=|\*=|\/=|%=|\^=|\|=|&=| - =>|->|<<|>>|<|>|=|!|~| - &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%| - \?|: - }x; - my @elements = split(/($ops|;)/, $opline); - my $off = 0; - - my $blank = copy_spacing($opline); - - for (my $n = 0; $n < $#elements; $n += 2) { - $off += length($elements[$n]); - - # Pick up the preceding and succeeding characters. - my $ca = substr($opline, 0, $off); - my $cc = ''; - if (length($opline) >= ($off + length($elements[$n + 1]))) { - $cc = substr($opline, $off + length($elements[$n + 1])); - } - my $cb = "$ca$;$cc"; - - my $a = ''; - $a = 'V' if ($elements[$n] ne ''); - $a = 'W' if ($elements[$n] =~ /\s$/); - $a = 'C' if ($elements[$n] =~ /$;$/); - $a = 'B' if ($elements[$n] =~ /(\[|\()$/); - $a = 'O' if ($elements[$n] eq ''); - $a = 'E' if ($ca =~ /^\s*$/); - - my $op = $elements[$n + 1]; - - my $c = ''; - if (defined $elements[$n + 2]) { - $c = 'V' if ($elements[$n + 2] ne ''); - $c = 'W' if ($elements[$n + 2] =~ /^\s/); - $c = 'C' if ($elements[$n + 2] =~ /^$;/); - $c = 'B' if ($elements[$n + 2] =~ /^(\)|\]|;)/); - $c = 'O' if ($elements[$n + 2] eq ''); - $c = 'E' if ($elements[$n + 2] =~ /^\s*\\$/); - } else { - $c = 'E'; - } - - my $ctx = "${a}x${c}"; - - my $at = "(ctx:$ctx)"; - - my $ptr = substr($blank, 0, $off) . "^"; - my $hereptr = "$hereline$ptr\n"; - - # Pull out the value of this operator. - my $op_type = substr($curr_values, $off + 1, 1); - - # Get the full operator variant. - my $opv = $op . substr($curr_vars, $off, 1); - - # Ignore operators passed as parameters. - if ($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 - } elsif ($op eq ';') { - if ($ctx !~ /.x[WEBC]/ && - $cc !~ /^\\/ && $cc !~ /^;/) { - ERROR("SPACING", - "space required after that '$op' $at\n" . $hereptr); - } - - # // is a comment - } elsif ($op eq '//') { - - # No spaces for: - # -> - # : when part of a bitfield - } elsif ($op eq '->' || $opv eq ':B') { - if ($ctx =~ /Wx.|.xW/) { - ERROR("SPACING", - "spaces prohibited around that '$op' $at\n" . $hereptr); - } - - # , must have a space on the right. - } elsif ($op eq ',') { - if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/) { - ERROR("SPACING", - "space required after that '$op' $at\n" . $hereptr); - } - - # '*' as part of a type definition -- reported already. - } elsif ($opv eq '*_') { - #warn "'*' is part of type\n"; - - # unary operators should have a space before and - # none after. May be left adjacent to another - # unary operator, or a cast - } elsif ($op eq '!' || $op eq '~' || - $opv eq '*U' || $opv eq '-U' || - $opv eq '&U' || $opv eq '&&U') { - if ($ctx !~ /[WEBC]x./ && $ca !~ /(?:\)|!|~|\*|-|\&|\||\+\+|\-\-|\{)$/) { - ERROR("SPACING", - "space required before that '$op' $at\n" . $hereptr); - } - if ($op eq '*' && $cc =~/\s*$Modifier\b/) { - # A unary '*' may be const - - } elsif ($ctx =~ /.xW/) { - ERROR("SPACING", - "space prohibited after that '$op' $at\n" . $hereptr); - } - - # unary ++ and unary -- are allowed no space on one side. - } elsif ($op eq '++' or $op eq '--') { - if ($ctx !~ /[WEOBC]x[^W]/ && $ctx !~ /[^W]x[WOBEC]/) { - ERROR("SPACING", - "space required one side of that '$op' $at\n" . $hereptr); - } - if ($ctx =~ /Wx[BE]/ || - ($ctx =~ /Wx./ && $cc =~ /^;/)) { - ERROR("SPACING", - "space prohibited before that '$op' $at\n" . $hereptr); - } - if ($ctx =~ /ExW/) { - ERROR("SPACING", - "space prohibited after that '$op' $at\n" . $hereptr); - } - - - # << and >> may either have or not have spaces both sides - } elsif ($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 '/' or - $op eq '%') - { - if ($ctx =~ /Wx[^WCE]|[^WCE]xW/) { - ERROR("SPACING", - "need consistent spacing around '$op' $at\n" . - $hereptr); - } - - # A colon needs no spaces before when it is - # terminating a case value or a label. - } elsif ($opv eq ':C' || $opv eq ':L') { - if ($ctx =~ /Wx./) { - ERROR("SPACING", - "space prohibited before that '$op' $at\n" . $hereptr); - } - - # All the others need spaces both sides. - } elsif ($ctx !~ /[EWC]x[CWE]/) { - my $ok = 0; - - # Ignore email addresses <foo@bar> - if (($op eq '<' && - $cc =~ /^\S+\@\S+>/) || - ($op eq '>' && - $ca =~ /<\S+\@\S+$/)) - { - $ok = 1; - } - - # Ignore ?: - if (($opv eq ':O' && $ca =~ /\?$/) || - ($op eq '?' && $cc =~ /^:/)) { - $ok = 1; - } - - if ($ok == 0) { - ERROR("SPACING", - "spaces required around that '$op' $at\n" . $hereptr); - } - } - $off += length($elements[$n + 1]); - } - } - -# check for multiple assignments - if ($line =~ /^.\s*$Lval\s*=\s*$Lval\s*=(?!=)/) { - CHK("MULTIPLE_ASSIGNMENTS", - "multiple assignments should be avoided\n" . $herecurr); - } - -## # check for multiple declarations, allowing for a function declaration -## # continuation. -## if ($line =~ /^.\s*$Type\s+$Ident(?:\s*=[^,{]*)?\s*,\s*$Ident.*/ && -## $line !~ /^.\s*$Type\s+$Ident(?:\s*=[^,{]*)?\s*,\s*$Type\s*$Ident.*/) { -## -## # Remove any bracketed sections to ensure we do not -## # falsly report the parameters of functions. -## my $ln = $line; -## while ($ln =~ s/\([^\(\)]*\)//g) { -## } -## if ($ln =~ /,/) { -## WARN("MULTIPLE_DECLARATION", -## "declaring multiple variables together should be avoided\n" . $herecurr); -## } -## } - -#need space before brace following if, while, etc - if (($line =~ /\(.*\){/ && $line !~ /\($Type\){/) || - $line =~ /do{/) { - ERROR("SPACING", - "space required before the open brace '{'\n" . $herecurr); - } - -# closing brace should have a space following it when it has anything -# on the line - if ($line =~ /}(?!(?:,|;|\)))\S/) { - ERROR("SPACING", - "space required after that close brace '}'\n" . $herecurr); - } - -# check spacing on square brackets - if ($line =~ /\[\s/ && $line !~ /\[\s*$/) { - ERROR("SPACING", - "space prohibited after that open square bracket '['\n" . $herecurr); - } - if ($line =~ /\s\]/) { - ERROR("SPACING", - "space prohibited before that close square bracket ']'\n" . $herecurr); - } - -# check spacing on parentheses - if ($line =~ /\(\s/ && $line !~ /\(\s*(?:\\)?$/ && - $line !~ /for\s*\(\s+;/) { - ERROR("SPACING", - "space prohibited after that open parenthesis '('\n" . $herecurr); - } - if ($line =~ /(\s+)\)/ && $line !~ /^.\s*\)/ && - $line !~ /for\s*\(.*;\s+\)/ && - $line !~ /:\s+\)/) { - ERROR("SPACING", - "space prohibited before that close parenthesis ')'\n" . $herecurr); - } - -#goto labels aren't indented, allow a single space however - if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and - !($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) { - WARN("INDENTED_LABEL", - "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 - $value =~ s/\(/ \(/g; - $value =~ s/\)/\) /g; - while ($value =~ s/\[[^\[\]]*\]/1/ || - $value !~ /(?:$Ident|-?$Constant)\s* - $Compare\s* - (?:$Ident|-?$Constant)/x && - $value =~ s/\([^\(\)]*\)/1/) { - } -#print "value<$value>\n"; - if ($value =~ /^\s*(?:$Ident|-?$Constant)\s*$/) { - ERROR("RETURN_PARENTHESES", - "return is not a function, parentheses are not required\n" . $herecurr); - - } elsif ($spacing !~ /\s+/) { - ERROR("SPACING", - "space required before the open parenthesis '('\n" . $herecurr); - } - } -# Return of what appears to be an errno should normally be -'ve - if ($line =~ /^.\s*return\s*(E[A-Z]*)\s*;/) { - my $name = $1; - if ($name ne 'EOF' && $name ne 'ERROR') { - WARN("USE_NEGATIVE_ERRNO", - "return of an errno should typically be -ve (return -$1)\n" . $herecurr); - } - } - -# Need a space before open parenthesis after if, while etc - if ($line=~/\b(if|while|for|switch)\(/) { - ERROR("SPACING", "space required before the open parenthesis '('\n" . $herecurr); - } - -# Check for illegal assignment in if conditional -- and check for trailing -# statements after the conditional. - if ($line =~ /do\s*(?!{)/) { - ($stat, $cond, $line_nr_next, $remain_next, $off_next) = - ctx_statement_block($linenr, $realcnt, 0) - if (!defined $stat); - my ($stat_next) = ctx_statement_block($line_nr_next, - $remain_next, $off_next); - $stat_next =~ s/\n./\n /g; - ##print "stat<$stat> stat_next<$stat_next>\n"; - - if ($stat_next =~ /^\s*while\b/) { - # If the statement carries leading newlines, - # then count those as offsets. - my ($whitespace) = - ($stat_next =~ /^((?:\s*\n[+-])*\s*)/s); - my $offset = - statement_rawlines($whitespace) - 1; - - $suppress_whiletrailers{$line_nr_next + - $offset} = 1; - } - } - if (!defined $suppress_whiletrailers{$linenr} && - $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) { - my ($s, $c) = ($stat, $cond); - - if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/s) { - ERROR("ASSIGN_IN_IF", - "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; - $s =~ s/$;//g; # Remove any comments - if (length($c) && $s !~ /^\s*{?\s*\\*\s*$/ && - $c !~ /}\s*while\s*/) - { - # Find out how long the conditional actually is. - my @newlines = ($c =~ /\n/gs); - my $cond_lines = 1 + $#newlines; - my $stat_real = ''; - - $stat_real = raw_line($linenr, $cond_lines) - . "\n" if ($cond_lines); - if (defined($stat_real) && $cond_lines > 1) { - $stat_real = "[...]\n$stat_real"; - } - - ERROR("TRAILING_STATEMENTS", - "trailing statements should be on next line\n" . $herecurr . $stat_real); - } - } - -# Check for bitwise tests written as boolean - if ($line =~ / - (?: - (?:\[|\(|\&\&|\|\|) - \s*0[xX][0-9]+\s* - (?:\&\&|\|\|) - | - (?:\&\&|\|\|) - \s*0[xX][0-9]+\s* - (?:\&\&|\|\||\)|\]) - )/x) - { - WARN("HEXADECIMAL_BOOLEAN_TEST", - "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(.*)/) { - my $s = $1; - $s =~ s/$;//g; # Remove any comments - if ($s !~ /^\s*(?:\sif|(?:{|)\s*\\?\s*$)/) { - ERROR("TRAILING_STATEMENTS", - "trailing statements should be on next line\n" . $herecurr); - } - } -# if should not continue a brace - if ($line =~ /}\s*if\b/) { - ERROR("TRAILING_STATEMENTS", - "trailing statements should be on next line\n" . - $herecurr); - } -# case and default should not have general statements after them - if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g && - $line !~ /\G(?: - (?:\s*$;*)(?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$| - \s*return\s+ - )/xg) - { - ERROR("TRAILING_STATEMENTS", - "trailing statements should be on next line\n" . $herecurr); - } - - # Check for }<nl>else {, these must be at the same - # indent level to be relevant to each other. - if ($prevline=~/}\s*$/ and $line=~/^.\s*else\s*/ and - $previndent == $indent) { - ERROR("ELSE_AFTER_BRACE", - "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_AFTER_BRACE", - "while should follow close brace '}'\n" . $hereprev); - } - } - -#CamelCase - while ($line =~ m{($Constant|$Lval)}g) { - my $var = $1; - if ($var !~ /$Constant/ && - $var =~ /[A-Z]\w*[a-z]|[a-z]\w*[A-Z]/ && - $var !~ /"^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ && - !defined $camelcase{$var}) { - $camelcase{$var} = 1; - WARN("CAMELCASE", - "Avoid CamelCase: <$var>\n" . $herecurr); - } - } - -#no spaces allowed after \ in define - if ($line=~/\#\s*define.*\\\s$/) { - WARN("WHITESPACE_AFTER_LINE_CONTINUATION", - "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*\#\s*include\s*\<asm\/(.*)\.h\>}) { - my $file = "$1.h"; - my $checkfile = "include/linux/$file"; - if (-f "$root/$checkfile" && - $realfile ne $checkfile && - $1 !~ /$allowed_asm_includes/) - { - if ($realfile =~ m{^arch/}) { - CHK("ARCH_INCLUDE_LINUX", - "Consider using #include <linux/$file> instead of <asm/$file>\n" . $herecurr); - } else { - WARN("INCLUDE_LINUX", - "Use #include <linux/$file> instead of <asm/$file>\n" . $herecurr); - } - } - } - -# multi-statement macros should be enclosed in a do while loop, grab the -# first statement and ensure its the whole macro if its not enclosed -# in a known good container - if ($realfile !~ m@/vmlinux.lds.h$@ && - $line =~ /^.\s*\#\s*define\s*$Ident(\()?/) { - my $ln = $linenr; - my $cnt = $realcnt; - my ($off, $dstat, $dcond, $rest); - my $ctx = ''; - ($dstat, $dcond, $ln, $cnt, $off) = - ctx_statement_block($linenr, $realcnt, 0); - $ctx = $dstat; - #print "dstat<$dstat> dcond<$dcond> cnt<$cnt> off<$off>\n"; - #print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . "\n"; - - $dstat =~ s/^.\s*\#\s*define\s+$Ident(?:\([^\)]*\))?\s*//; - $dstat =~ s/$;//g; - $dstat =~ s/\\\n.//g; - $dstat =~ s/^\s*//s; - $dstat =~ s/\s*$//s; - - # Flatten any parentheses and braces - while ($dstat =~ s/\([^\(\)]*\)/1/ || - $dstat =~ s/\{[^\{\}]*\}/1/ || - $dstat =~ s/\[[^\[\]]*\]/1/) - { - } - - # Flatten any obvious string concatentation. - while ($dstat =~ s/("X*")\s*$Ident/$1/ || - $dstat =~ s/$Ident\s*("X*")/$1/) - { - } - - my $exceptions = qr{ - $Declare| - module_param_named| - MODULE_PARM_DESC| - DECLARE_PER_CPU| - DEFINE_PER_CPU| - __typeof__\(| - union| - struct| - \.$Ident\s*=\s*| - ^\"|\"$ - }x; - #print "REST<$rest> dstat<$dstat> ctx<$ctx>\n"; - if ($dstat ne '' && - $dstat !~ /^(?:$Ident|-?$Constant),$/ && # 10, // foo(), - $dstat !~ /^(?:$Ident|-?$Constant);$/ && # foo(); - $dstat !~ /^[!~-]?(?:$Ident|$Constant)$/ && # 10 // foo() // !foo // ~foo // -foo - $dstat !~ /^'X'$/ && # character constants - $dstat !~ /$exceptions/ && - $dstat !~ /^\.$Ident\s*=/ && # .foo = - $dstat !~ /^do\s*$Constant\s*while\s*$Constant;?$/ && # do {...} while (...); // do {...} while (...) - $dstat !~ /^for\s*$Constant$/ && # for (...) - $dstat !~ /^for\s*$Constant\s+(?:$Ident|-?$Constant)$/ && # for (...) bar() - $dstat !~ /^do\s*{/ && # do {... - $dstat !~ /^\({/) # ({... - { - $ctx =~ s/\n*$//; - my $herectx = $here . "\n"; - my $cnt = statement_rawlines($ctx); - - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } - - if ($dstat =~ /;/) { - ERROR("MULTISTATEMENT_MACRO_USE_DO_WHILE", - "Macros with multiple statements should be enclosed in a do - while loop\n" . "$herectx"); - } else { - ERROR("COMPLEX_MACRO", - "Macros with complex values should be enclosed in parenthesis\n" . "$herectx"); - } - } - -# check for line continuations outside of #defines, preprocessor #, and asm - - } else { - if ($prevline !~ /^..*\\$/ && - $line !~ /^\+\s*\#.*\\$/ && # preprocessor - $line !~ /^\+.*\b(__asm__|asm)\b.*\\$/ && # asm - $line =~ /^\+.*\\$/) { - WARN("LINE_CONTINUATIONS", - "Avoid unnecessary line continuations\n" . $herecurr); - } - } - -# do {} while (0) macro tests: -# single-statement macros do not need to be enclosed in do while (0) loop, -# macro should not end with a semicolon - if ($^V && $^V ge 5.10.0 && - $realfile !~ m@/vmlinux.lds.h$@ && - $line =~ /^.\s*\#\s*define\s+$Ident(\()?/) { - my $ln = $linenr; - my $cnt = $realcnt; - my ($off, $dstat, $dcond, $rest); - my $ctx = ''; - ($dstat, $dcond, $ln, $cnt, $off) = - ctx_statement_block($linenr, $realcnt, 0); - $ctx = $dstat; - - $dstat =~ s/\\\n.//g; - - if ($dstat =~ /^\+\s*#\s*define\s+$Ident\s*${balanced_parens}\s*do\s*{(.*)\s*}\s*while\s*\(\s*0\s*\)\s*([;\s]*)\s*$/) { - my $stmts = $2; - my $semis = $3; - - $ctx =~ s/\n*$//; - my $cnt = statement_rawlines($ctx); - my $herectx = $here . "\n"; - - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } - - if (($stmts =~ tr/;/;/) == 1 && - $stmts !~ /^\s*(if|while|for|switch)\b/) { - WARN("SINGLE_STATEMENT_DO_WHILE_MACRO", - "Single statement macros should not use a do {} while (0) loop\n" . "$herectx"); - } - if (defined $semis && $semis ne "") { - WARN("DO_WHILE_MACRO_WITH_TRAILING_SEMICOLON", - "do {} while (0) macros should not be semicolon terminated\n" . "$herectx"); - } - } - } - -# make sure symbols are always wrapped with VMLINUX_SYMBOL() ... -# all assignments may have only one of the following with an assignment: -# . -# ALIGN(...) -# VMLINUX_SYMBOL(...) - if ($realfile eq 'vmlinux.lds.h' && $line =~ /(?:(?:^|\s)$Ident\s*=|=\s*$Ident(?:\s|$))/) { - WARN("MISSING_VMLINUX_SYMBOL", - "vmlinux.lds.h needs VMLINUX_SYMBOL() around C-visible symbols\n" . $herecurr); - } - -# check for redundant bracing round if etc - if ($line =~ /(^.*)\bif\b/ && $1 !~ /else\s*$/) { - my ($level, $endln, @chunks) = - ctx_statement_full($linenr, $realcnt, 1); - #print "chunks<$#chunks> linenr<$linenr> endln<$endln> level<$level>\n"; - #print "APW: <<$chunks[1][0]>><<$chunks[1][1]>>\n"; - if ($#chunks > 0 && $level == 0) { - my @allowed = (); - my $allow = 0; - my $seen = 0; - my $herectx = $here . "\n"; - my $ln = $linenr - 1; - for my $chunk (@chunks) { - my ($cond, $block) = @{$chunk}; - - # If the condition carries leading newlines, then count those as offsets. - my ($whitespace) = ($cond =~ /^((?:\s*\n[+-])*\s*)/s); - my $offset = statement_rawlines($whitespace) - 1; - - $allowed[$allow] = 0; - #print "COND<$cond> whitespace<$whitespace> offset<$offset>\n"; - - # We have looked at and allowed this specific line. - $suppress_ifbraces{$ln + $offset} = 1; - - $herectx .= "$rawlines[$ln + $offset]\n[...]\n"; - $ln += statement_rawlines($block) - 1; - - substr($block, 0, length($cond), ''); - - $seen++ if ($block =~ /^\s*{/); - - #print "cond<$cond> block<$block> allowed<$allowed[$allow]>\n"; - if (statement_lines($cond) > 1) { - #print "APW: ALLOWED: cond<$cond>\n"; - $allowed[$allow] = 1; - } - if ($block =~/\b(?:if|for|while)\b/) { - #print "APW: ALLOWED: block<$block>\n"; - $allowed[$allow] = 1; - } - if (statement_block_size($block) > 1) { - #print "APW: ALLOWED: lines block<$block>\n"; - $allowed[$allow] = 1; - } - $allow++; - } - if ($seen) { - my $sum_allowed = 0; - foreach (@allowed) { - $sum_allowed += $_; - } - if ($sum_allowed == 0) { - WARN("BRACES", - "braces {} are not necessary for any arm of this statement\n" . $herectx); - } elsif ($sum_allowed != $allow && - $seen != $allow) { - CHK("BRACES", - "braces {} should be used on all arms of this statement\n" . $herectx); - } - } - } - } - if (!defined $suppress_ifbraces{$linenr - 1} && - $line =~ /\b(if|while|for|else)\b/) { - my $allowed = 0; - - # Check the pre-context. - if (substr($line, 0, $-[0]) =~ /(\}\s*)$/) { - #print "APW: ALLOWED: pre<$1>\n"; - $allowed = 1; - } - - my ($level, $endln, @chunks) = - ctx_statement_full($linenr, $realcnt, $-[0]); - - # Check the condition. - my ($cond, $block) = @{$chunks[0]}; - #print "CHECKING<$linenr> cond<$cond> block<$block>\n"; - if (defined $cond) { - substr($block, 0, length($cond), ''); - } - if (statement_lines($cond) > 1) { - #print "APW: ALLOWED: cond<$cond>\n"; - $allowed = 1; - } - if ($block =~/\b(?:if|for|while)\b/) { - #print "APW: ALLOWED: block<$block>\n"; - $allowed = 1; - } - if (statement_block_size($block) > 1) { - #print "APW: ALLOWED: lines block<$block>\n"; - $allowed = 1; - } - # Check the post-context. - if (defined $chunks[1]) { - my ($cond, $block) = @{$chunks[1]}; - if (defined $cond) { - substr($block, 0, length($cond), ''); - } - if ($block =~ /^\s*\{/) { - #print "APW: ALLOWED: chunk-1 block<$block>\n"; - $allowed = 1; - } - } - if ($level == 0 && $block =~ /^\s*\{/ && !$allowed) { - my $herectx = $here . "\n"; - my $cnt = statement_rawlines($block); - - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } - - WARN("BRACES", - "braces {} are not necessary for single statement blocks\n" . $herectx); - } - } - -# check for unnecessary blank lines around braces - if (($line =~ /^..*}\s*$/ && $prevline =~ /^.\s*$/)) { - CHK("BRACES", - "Blank lines aren't necessary before a close brace '}'\n" . $hereprev); - } - if (($line =~ /^.\s*$/ && $prevline =~ /^..*{\s*$/)) { - CHK("BRACES", - "Blank lines aren't necessary after an open brace '{'\n" . $hereprev); - } - -# no volatiles please - my $asm_volatile = qr{\b(__asm__|asm)\s+(__volatile__|volatile)\b}; - if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/) { - WARN("VOLATILE", - "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr); - } - -# warn about #if 0 - if ($line =~ /^.\s*\#\s*if\s+0\b/) { - CHK("REDUNDANT_CODE", - "if this code is redundant consider removing it\n" . - $herecurr); - } - -# check for needless "if (<foo>) fn(<foo>)" uses - if ($prevline =~ /\bif\s*\(\s*($Lval)\s*\)/) { - my $expr = '\s*\(\s*' . quotemeta($1) . '\s*\)\s*;'; - if ($line =~ /\b(kfree|usb_free_urb|debugfs_remove(?:_recursive)?)$expr/) { - WARN('NEEDLESS_IF', - "$1(NULL) is safe this check is probably not required\n" . $hereprev); - } - } - -# prefer usleep_range over udelay - if ($line =~ /\budelay\s*\(\s*(\d+)\s*\)/) { - # ignore udelay's < 10, however - if (! ($1 < 10) ) { - CHK("USLEEP_RANGE", - "usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt\n" . $line); - } - } - -# warn about unexpectedly long msleep's - if ($line =~ /\bmsleep\s*\((\d+)\);/) { - if ($1 < 20) { - WARN("MSLEEP", - "msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt\n" . $line); - } - } - -# warn about #ifdefs in C files -# if ($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*\#\s*(ifdef|ifndef|elif)\s\s+/) { - ERROR("SPACING", - "exactly one space required after that #$1\n" . $herecurr); - } - -# check for spinlock_t definitions without a comment. - if ($line =~ /^.\s*(struct\s+mutex|spinlock_t)\s+\S+;/ || - $line =~ /^.\s*(DEFINE_MUTEX)\s*\(/) { - my $which = $1; - if (!ctx_has_comment($first_line, $linenr)) { - CHK("UNCOMMENTED_DEFINITION", - "$1 definition without comment\n" . $herecurr); - } - } -# check for memory barriers without a comment. - if ($line =~ /\b(mb|rmb|wmb|read_barrier_depends|smp_mb|smp_rmb|smp_wmb|smp_read_barrier_depends)\(/) { - if (!ctx_has_comment($first_line, $linenr)) { - CHK("MEMORY_BARRIER", - "memory barrier without comment\n" . $herecurr); - } - } -# check of hardware specific defines - if ($line =~ m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) { - CHK("ARCH_DEFINES", - "architecture specific defines should be avoided\n" . $herecurr); - } - -# Check that the storage class is at the beginning of a declaration - if ($line =~ /\b$Storage\b/ && $line !~ /^.\s*$Storage\b/) { - WARN("STORAGE_CLASS", - "storage class should be at the beginning of the declaration\n" . $herecurr) - } - -# check the location of the inline attribute, that it is between -# storage class and type. - if ($line =~ /\b$Type\s+$Inline\b/ || - $line =~ /\b$Inline\s+$Storage\b/) { - ERROR("INLINE_LOCATION", - "inline keyword should sit between storage class and type\n" . $herecurr); - } - -# Check for __inline__ and __inline, prefer inline - if ($line =~ /\b(__inline__|__inline)\b/) { - WARN("INLINE", - "plain inline is preferred over $1\n" . $herecurr); - } - -# Check for __attribute__ packed, prefer __packed - if ($line =~ /\b__attribute__\s*\(\s*\(.*\bpacked\b/) { - WARN("PREFER_PACKED", - "__packed is preferred over __attribute__((packed))\n" . $herecurr); - } - -# Check for __attribute__ aligned, prefer __aligned - if ($line =~ /\b__attribute__\s*\(\s*\(.*aligned/) { - WARN("PREFER_ALIGNED", - "__aligned(size) is preferred over __attribute__((aligned(size)))\n" . $herecurr); - } - -# Check for __attribute__ format(printf, prefer __printf - if ($line =~ /\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf/) { - WARN("PREFER_PRINTF", - "__printf(string-index, first-to-check) is preferred over __attribute__((format(printf, string-index, first-to-check)))\n" . $herecurr); - } - -# Check for __attribute__ format(scanf, prefer __scanf - if ($line =~ /\b__attribute__\s*\(\s*\(\s*format\s*\(\s*scanf\b/) { - WARN("PREFER_SCANF", - "__scanf(string-index, first-to-check) is preferred over __attribute__((format(scanf, string-index, first-to-check)))\n" . $herecurr); - } - -# check for sizeof(&) - if ($line =~ /\bsizeof\s*\(\s*\&/) { - WARN("SIZEOF_ADDRESS", - "sizeof(& should be avoided\n" . $herecurr); - } - -# check for sizeof without parenthesis - if ($line =~ /\bsizeof\s+((?:\*\s*|)$Lval|$Type(?:\s+$Lval|))/) { - WARN("SIZEOF_PARENTHESIS", - "sizeof $1 should be sizeof($1)\n" . $herecurr); - } - -# check for line continuations in quoted strings with odd counts of " - if ($rawline =~ /\\$/ && $rawline =~ tr/"/"/ % 2) { - WARN("LINE_CONTINUATIONS", - "Avoid line continuations in quoted strings\n" . $herecurr); - } - -# check for struct spinlock declarations - if ($line =~ /^.\s*\bstruct\s+spinlock\s+\w+\s*;/) { - WARN("USE_SPINLOCK_T", - "struct spinlock should be spinlock_t\n" . $herecurr); - } - -# Check for misused memsets - if ($^V && $^V ge 5.10.0 && - defined $stat && - $stat =~ /^\+(?:.*?)\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*$FuncArg\s*\)/s) { - - my $ms_addr = $2; - my $ms_val = $7; - my $ms_size = $12; - - if ($ms_size =~ /^(0x|)0$/i) { - ERROR("MEMSET", - "memset to 0's uses 0 as the 2nd argument, not the 3rd\n" . "$here\n$stat\n"); - } elsif ($ms_size =~ /^(0x|)1$/i) { - WARN("MEMSET", - "single byte memset is suspicious. Swapped 2nd/3rd argument?\n" . "$here\n$stat\n"); - } - } - -# typecasts on min/max could be min_t/max_t - if ($^V && $^V ge 5.10.0 && - defined $stat && - $stat =~ /^\+(?:.*?)\b(min|max)\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\)/) { - if (defined $2 || defined $7) { - my $call = $1; - my $cast1 = deparenthesize($2); - my $arg1 = $3; - my $cast2 = deparenthesize($7); - my $arg2 = $8; - my $cast; - - if ($cast1 ne "" && $cast2 ne "" && $cast1 ne $cast2) { - $cast = "$cast1 or $cast2"; - } elsif ($cast1 ne "") { - $cast = $cast1; - } else { - $cast = $cast2; - } - WARN("MINMAX", - "$call() should probably be ${call}_t($cast, $arg1, $arg2)\n" . "$here\n$stat\n"); - } - } - -# check usleep_range arguments - if ($^V && $^V ge 5.10.0 && - defined $stat && - $stat =~ /^\+(?:.*?)\busleep_range\s*\(\s*($FuncArg)\s*,\s*($FuncArg)\s*\)/) { - my $min = $1; - my $max = $7; - if ($min eq $max) { - WARN("USLEEP_RANGE", - "usleep_range should not use min == max args; see Documentation/timers/timers-howto.txt\n" . "$here\n$stat\n"); - } elsif ($min =~ /^\d+$/ && $max =~ /^\d+$/ && - $min > $max) { - WARN("USLEEP_RANGE", - "usleep_range args reversed, use min then max; see Documentation/timers/timers-howto.txt\n" . "$here\n$stat\n"); - } - } - -# check for new externs in .c files. - if ($realfile =~ /\.c$/ && defined $stat && - $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s) - { - my $function_name = $1; - my $paren_space = $2; - - my $s = $stat; - if (defined $cond) { - substr($s, 0, length($cond), ''); - } - if ($s =~ /^\s*;/ && - $function_name ne 'uninitialized_var') - { - WARN("AVOID_EXTERNS", - "externs should be avoided in .c files\n" . $herecurr); - } - - if ($paren_space =~ /\n/) { - WARN("FUNCTION_ARGUMENTS", - "arguments for function declarations should follow identifier\n" . $herecurr); - } - - } elsif ($realfile =~ /\.c$/ && defined $stat && - $stat =~ /^.\s*extern\s+/) - { - WARN("AVOID_EXTERNS", - "externs should be avoided in .c files\n" . $herecurr); - } - -# checks for new __setup's - if ($rawline =~ /\b__setup\("([^"]*)"/) { - my $name = $1; - - if (!grep(/$name/, @setup_docs)) { - CHK("UNDOCUMENTED_SETUP", - "__setup appears un-documented -- check Documentation/kernel-parameters.txt\n" . $herecurr); - } - } - -# check for pointless casting of kmalloc return - if ($line =~ /\*\s*\)\s*[kv][czm]alloc(_node){0,1}\b/) { - WARN("UNNECESSARY_CASTS", - "unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n" . $herecurr); - } - -# check for alloc argument mismatch - if ($line =~ /\b(kcalloc|kmalloc_array)\s*\(\s*sizeof\b/) { - WARN("ALLOC_ARRAY_ARGS", - "$1 uses number as first arg, sizeof is generally wrong\n" . $herecurr); - } - -# check for multiple semicolons - if ($line =~ /;\s*;\s*$/) { - WARN("ONE_SEMICOLON", - "Statements terminations use 1 semicolon\n" . $herecurr); - } - -# check for switch/default statements without a break; - if ($^V && $^V ge 5.10.0 && - defined $stat && - $stat =~ /^\+[$;\s]*(?:case[$;\s]+\w+[$;\s]*:[$;\s]*|)*[$;\s]*\bdefault[$;\s]*:[$;\s]*;/g) { - my $ctx = ''; - my $herectx = $here . "\n"; - my $cnt = statement_rawlines($stat); - for (my $n = 0; $n < $cnt; $n++) { - $herectx .= raw_line($linenr, $n) . "\n"; - } - WARN("DEFAULT_NO_BREAK", - "switch default: should use break\n" . $herectx); - } - -# check for gcc specific __FUNCTION__ - if ($line =~ /__FUNCTION__/) { - WARN("USE_FUNC", - "__func__ should be used instead of gcc specific __FUNCTION__\n" . $herecurr); - } - -# check for use of yield() - if ($line =~ /\byield\s*\(\s*\)/) { - WARN("YIELD", - "Using yield() is generally wrong. See yield() kernel-doc (sched/core.c)\n" . $herecurr); - } - -# check for semaphores initialized locked - if ($line =~ /^.\s*sema_init.+,\W?0\W?\)/) { - WARN("CONSIDER_COMPLETION", - "consider using a completion\n" . $herecurr); - } - -# recommend kstrto* over simple_strto* and strict_strto* - if ($line =~ /\b((simple|strict)_(strto(l|ll|ul|ull)))\s*\(/) { - WARN("CONSIDER_KSTRTO", - "$1 is obsolete, use k$3 instead\n" . $herecurr); - } - -# check for __initcall(), use device_initcall() explicitly please - if ($line =~ /^.\s*__initcall\s*\(/) { - WARN("USE_DEVICE_INITCALL", - "please use device_initcall() instead of __initcall()\n" . $herecurr); - } - -# check for various ops structs, ensure they are const. - my $struct_ops = qr{acpi_dock_ops| - address_space_operations| - backlight_ops| - block_device_operations| - dentry_operations| - dev_pm_ops| - dma_map_ops| - extent_io_ops| - file_lock_operations| - file_operations| - hv_ops| - ide_dma_ops| - intel_dvo_dev_ops| - item_operations| - iwl_ops| - kgdb_arch| - kgdb_io| - kset_uevent_ops| - lock_manager_operations| - microcode_ops| - mtrr_ops| - neigh_ops| - nlmsvc_binding| - pci_raw_ops| - pipe_buf_operations| - platform_hibernation_ops| - platform_suspend_ops| - proto_ops| - rpc_pipe_ops| - seq_operations| - snd_ac97_build_ops| - soc_pcmcia_socket_ops| - stacktrace_ops| - sysfs_ops| - tty_operations| - usb_mon_operations| - wd_ops}x; - if ($line !~ /\bconst\b/ && - $line =~ /\bstruct\s+($struct_ops)\b/) { - WARN("CONST_STRUCT", - "struct $1 should normally be const\n" . - $herecurr); - } - -# use of NR_CPUS is usually wrong -# ignore definitions of NR_CPUS and usage to define arrays as likely right - if ($line =~ /\bNR_CPUS\b/ && - $line !~ /^.\s*\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[^\]]*\.\.\.[^\]]*\]/) - { - WARN("NR_CPUS", - "usage of NR_CPUS is often wrong - consider using cpu_possible(), num_possible_cpus(), for_each_possible_cpu(), etc\n" . $herecurr); - } - -# check for %L{u,d,i} in strings - my $string; - while ($line =~ /(?:^|")([X\t]*)(?:"|$)/g) { - $string = substr($rawline, $-[1], $+[1] - $-[1]); - $string =~ s/%%/__/g; - if ($string =~ /(?<!%)%L[udi]/) { - WARN("PRINTF_L", - "\%Ld/%Lu are not-standard C, use %lld/%llu\n" . $herecurr); - last; - } - } - -# whine mightly about in_atomic - if ($line =~ /\bin_atomic\s*\(/) { - if ($realfile =~ m@^drivers/@) { - ERROR("IN_ATOMIC", - "do not use in_atomic in drivers\n" . $herecurr); - } elsif ($realfile !~ m@^kernel/@) { - WARN("IN_ATOMIC", - "use of in_atomic() is incorrect outside core kernel code\n" . $herecurr); - } - } - -# check for lockdep_set_novalidate_class - if ($line =~ /^.\s*lockdep_set_novalidate_class\s*\(/ || - $line =~ /__lockdep_no_validate__\s*\)/ ) { - if ($realfile !~ m@^kernel/lockdep@ && - $realfile !~ m@^include/linux/lockdep@ && - $realfile !~ m@^drivers/base/core@) { - ERROR("LOCKDEP", - "lockdep_no_validate class is reserved for device->mutex.\n" . $herecurr); - } - } - - if ($line =~ /debugfs_create_file.*S_IWUGO/ || - $line =~ /DEVICE_ATTR.*S_IWUGO/ ) { - WARN("EXPORTED_WORLD_WRITABLE", - "Exporting world writable files is usually an error. Consider more restrictive permissions.\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 - # things that appear to be patches. - if ($mailback && ($clean == 1 || !$is_patch)) { - exit(0); - } - - # This is not a patch, and we are are in 'no-patch' mode so - # just keep quiet. - if (!$chk_patch && !$is_patch) { - exit(0); - } - - if (!$is_patch) { - ERROR("NOT_UNIFIED_DIFF", - "Does not appear to be a unified-diff format patch\n"); - } - if ($is_patch && $chk_signoff && $signoff == 0) { - ERROR("MISSING_SIGN_OFF", - "Missing Signed-off-by: line(s)\n"); - } - - print report_dump(); - if ($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"; - print "\n" if ($quiet == 0); - } - - if ($quiet == 0) { - - if ($^V lt 5.10.0) { - print("NOTE: perl $^V is not modern enough to detect all possible issues.\n"); - print("An upgrade to at least perl v5.10.0 is suggested.\n\n"); - } - - # If there were whitespace errors which cleanpatch can fix - # then suggest that. - if ($rpt_cleaners) { - print "NOTE: whitespace errors detected, you may wish to use scripts/cleanpatch or\n"; - print " scripts/cleanfile\n\n"; - $rpt_cleaners = 0; - } - } - - if ($quiet == 0 && keys %ignore_type) { - print "NOTE: Ignored message types:"; - foreach my $ignore (sort keys %ignore_type) { - print " $ignore"; - } - print "\n\n"; - } - - if ($clean == 1 && $quiet == 0) { - print "$vname has no obvious style problems and is ready for submission.\n" - } - if ($clean == 0 && $quiet == 0) { - print << "EOM"; -$vname has style problems, please review. - -If any of these errors are false positives, please report -them to the maintainer, see boards.cfg. -EOM - } - - return $clean; -} diff --git a/tools/checkstack.pl b/tools/checkstack.pl deleted file mode 100755 index c1cdc0a..0000000 --- a/tools/checkstack.pl +++ /dev/null @@ -1,171 +0,0 @@ -#!/usr/bin/perl - -# Check the stack usage of functions -# -# 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> -# Mips port by Juan Quintela <quintela@mandrakesoft.com> -# IA64 port via Andreas Dilger -# Arm port by Holger Schurig -# sh64 port by Paul Mundt -# Random bits by Matt Mackall <mpm@selenic.com> -# M68k port by Geert Uytterhoeven and Andreas Schwab -# AVR32 port by Haavard Skinnemoen (Atmel) -# PARISC port by Kyle McMartin <kyle@parisc-linux.org> -# sparc port by Martin Habets <errandir_news@mph.eclipse.co.uk> -# -# Usage: -# objdump -d vmlinux | scripts/checkstack.pl [arch] -# -# TODO : Port to all architectures (one regex per arch) - -use strict; - -# check for arch -# -# $re is used for two matches: -# $& (whole re) matches the complete objdump line with the stack growth -# $1 (first bracket) matches the size of the stack growth -# -# $dre is similar, but for dynamic stack redutions: -# $& (whole re) matches the complete objdump line with the stack growth -# $1 (first bracket) matches the dynamic amount of the stack growth -# -# use anything else and feel the pain ;) -my (@stack, $re, $dre, $x, $xs); -{ - my $arch = shift; - if ($arch eq "") { - $arch = `uname -m`; - chomp($arch); - } - - $x = "[0-9a-f]"; # hex character - $xs = "[0-9a-f ]"; # hex character or space - if ($arch eq 'arm') { - #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64 - $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o; - } elsif ($arch eq 'avr32') { - #8000008a: 20 1d sub sp,4 - #80000ca8: fa cd 05 b0 sub sp,sp,1456 - $re = qr/^.*sub.*sp.*,([0-9]{1,8})/o; - } elsif ($arch =~ /^i[3456]86$/) { - #c0105234: 81 ec ac 05 00 00 sub $0x5ac,%esp - $re = qr/^.*[as][du][db] \$(0x$x{1,8}),\%esp$/o; - $dre = qr/^.*[as][du][db] (%.*),\%esp$/o; - } elsif ($arch eq 'x86_64') { - # 2f60: 48 81 ec e8 05 00 00 sub $0x5e8,%rsp - $re = qr/^.*[as][du][db] \$(0x$x{1,8}),\%rsp$/o; - $dre = qr/^.*[as][du][db] (\%.*),\%rsp$/o; - } elsif ($arch eq 'ia64') { - #e0000000044011fc: 01 0f fc 8c adds r12=-384,r12 - $re = qr/.*adds.*r12=-(([0-9]{2}|[3-9])[0-9]{2}),r12/o; - } elsif ($arch eq 'm68k') { - # 2b6c: 4e56 fb70 linkw %fp,#-1168 - # 1df770: defc ffe4 addaw #-28,%sp - $re = qr/.*(?:linkw %fp,|addaw )#-([0-9]{1,4})(?:,%sp)?$/o; - } elsif ($arch eq 'mips64') { - #8800402c: 67bdfff0 daddiu sp,sp,-16 - $re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o; - } elsif ($arch eq 'mips') { - #88003254: 27bdffe0 addiu sp,sp,-32 - $re = qr/.*addiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o; - } elsif ($arch eq 'parisc' || $arch eq 'parisc64') { - $re = qr/.*ldo ($x{1,8})\(sp\),sp/o; - } elsif ($arch eq 'ppc') { - #c00029f4: 94 21 ff 30 stwu r1,-208(r1) - $re = qr/.*stwu.*r1,-($x{1,8})\(r1\)/o; - } elsif ($arch eq 'ppc64') { - #XXX - $re = qr/.*stdu.*r1,-($x{1,8})\(r1\)/o; - } elsif ($arch eq 'powerpc') { - $re = qr/.*st[dw]u.*r1,-($x{1,8})\(r1\)/o; - } elsif ($arch =~ /^s390x?$/) { - # 11160: a7 fb ff 60 aghi %r15,-160 - # or - # 100092: e3 f0 ff c8 ff 71 lay %r15,-56(%r15) - $re = qr/.*(?:lay|ag?hi).*\%r15,-(([0-9]{2}|[3-9])[0-9]{2}) - (?:\(\%r15\))?$/ox; - } elsif ($arch =~ /^sh64$/) { - #XXX: we only check for the immediate case presently, - # though we will want to check for the movi/sub - # pair for larger users. -- PFM. - #a00048e0: d4fc40f0 addi.l r15,-240,r15 - $re = qr/.*addi\.l.*r15,-(([0-9]{2}|[3-9])[0-9]{2}),r15/o; - } elsif ($arch =~ /^blackfin$/) { - # 0: 00 e8 38 01 LINK 0x4e0; - $re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o; - } elsif ($arch eq 'sparc' || $arch eq 'sparc64') { - # f0019d10: 9d e3 bf 90 save %sp, -112, %sp - $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o; - } else { - print("wrong or unknown architecture \"$arch\"\n"); - exit - } -} - -# -# main() -# -my $funcre = qr/^$x* <(.*)>:$/; -my ($func, $file, $lastslash); - -while (my $line = <STDIN>) { - if ($line =~ m/$funcre/) { - $func = $1; - } - elsif ($line =~ m/(.*):\s*file format/) { - $file = $1; - $file =~ s/\.ko//; - $lastslash = rindex($file, "/"); - if ($lastslash != -1) { - $file = substr($file, $lastslash + 1); - } - } - elsif ($line =~ m/$re/) { - my $size = $1; - $size = hex($size) if ($size =~ /^0x/); - - if ($size > 0xf0000000) { - $size = - $size; - $size += 0x80000000; - $size += 0x80000000; - } - next if ($size > 0x10000000); - - next if $line !~ m/^($xs*)/; - my $addr = $1; - $addr =~ s/ /0/g; - $addr = "0x$addr"; - - my $intro = "$addr $func [$file]:"; - my $padlen = 56 - length($intro); - while ($padlen > 0) { - $intro .= ' '; - $padlen -= 8; - } - next if ($size < 100); - push @stack, "$intro$size\n"; - } - elsif (defined $dre && $line =~ m/$dre/) { - my $size = "Dynamic ($1)"; - - next if $line !~ m/^($xs*)/; - my $addr = $1; - $addr =~ s/ /0/g; - $addr = "0x$addr"; - - my $intro = "$addr $func [$file]:"; - my $padlen = 56 - length($intro); - while ($padlen > 0) { - $intro .= ' '; - $padlen -= 8; - } - push @stack, "$intro$size\n"; - } -} - -# Sort output by size (last field) -print sort { ($b =~ /:\t*(\d+)$/)[0] <=> ($a =~ /:\t*(\d+)$/)[0] } @stack; diff --git a/tools/cleanpatch b/tools/cleanpatch deleted file mode 100755 index 9680d03..0000000 --- a/tools/cleanpatch +++ /dev/null @@ -1,258 +0,0 @@ -#!/usr/bin/perl -w -# -# Clean a patch file -- or directory of patch files -- of stealth whitespace. -# WARNING: this can be a highly destructive operation. Use with caution. -# - -use bytes; -use File::Basename; - -# Default options -$max_width = 79; - -# Clean up space-tab sequences, either by removing spaces or -# replacing them with tabs. -sub clean_space_tabs($) -{ - no bytes; # Tab alignment depends on characters - - my($li) = @_; - my($lo) = ''; - my $pos = 0; - my $nsp = 0; - my($i, $c); - - for ($i = 0; $i < length($li); $i++) { - $c = substr($li, $i, 1); - if ($c eq "\t") { - my $npos = ($pos+$nsp+8) & ~7; - my $ntab = ($npos >> 3) - ($pos >> 3); - $lo .= "\t" x $ntab; - $pos = $npos; - $nsp = 0; - } elsif ($c eq "\n" || $c eq "\r") { - $lo .= " " x $nsp; - $pos += $nsp; - $nsp = 0; - $lo .= $c; - $pos = 0; - } elsif ($c eq " ") { - $nsp++; - } else { - $lo .= " " x $nsp; - $pos += $nsp; - $nsp = 0; - $lo .= $c; - $pos++; - } - } - $lo .= " " x $nsp; - return $lo; -} - -# Compute the visual width of a string -sub strwidth($) { - no bytes; # Tab alignment depends on characters - - my($li) = @_; - my($c, $i); - my $pos = 0; - my $mlen = 0; - - for ($i = 0; $i < length($li); $i++) { - $c = substr($li,$i,1); - if ($c eq "\t") { - $pos = ($pos+8) & ~7; - } elsif ($c eq "\n") { - $mlen = $pos if ($pos > $mlen); - $pos = 0; - } else { - $pos++; - } - } - - $mlen = $pos if ($pos > $mlen); - return $mlen; -} - -$name = basename($0); - -@files = (); - -while (defined($a = shift(@ARGV))) { - if ($a =~ /^-/) { - if ($a eq '-width' || $a eq '-w') { - $max_width = shift(@ARGV)+0; - } else { - print STDERR "Usage: $name [-width #] files...\n"; - exit 1; - } - } else { - push(@files, $a); - } -} - -foreach $f ( @files ) { - print STDERR "$name: $f\n"; - - if (! -f $f) { - print STDERR "$f: not a file\n"; - next; - } - - if (!open(FILE, '+<', $f)) { - print STDERR "$name: Cannot open file: $f: $!\n"; - next; - } - - binmode FILE; - - # First, verify that it is not a binary file; consider any file - # with a zero byte to be a binary file. Is there any better, or - # additional, heuristic that should be applied? - $is_binary = 0; - - while (read(FILE, $data, 65536) > 0) { - if ($data =~ /\0/) { - $is_binary = 1; - last; - } - } - - if ($is_binary) { - print STDERR "$name: $f: binary file\n"; - next; - } - - seek(FILE, 0, 0); - - $in_bytes = 0; - $out_bytes = 0; - $lineno = 0; - - @lines = (); - - $in_hunk = 0; - $err = 0; - - while ( defined($line = <FILE>) ) { - $lineno++; - $in_bytes += length($line); - - if (!$in_hunk) { - if ($line =~ - /^\@\@\s+\-([0-9]+),([0-9]+)\s+\+([0-9]+),([0-9]+)\s\@\@/) { - $minus_lines = $2; - $plus_lines = $4; - if ($minus_lines || $plus_lines) { - $in_hunk = 1; - @hunk_lines = ($line); - } - } else { - push(@lines, $line); - $out_bytes += length($line); - } - } else { - # We're in a hunk - - if ($line =~ /^\+/) { - $plus_lines--; - - $text = substr($line, 1); - $text =~ s/[ \t\r]*$//; # Remove trailing spaces - $text = clean_space_tabs($text); - - $l_width = strwidth($text); - if ($max_width && $l_width > $max_width) { - print STDERR - "$f:$lineno: adds line exceeds $max_width ", - "characters ($l_width)\n"; - } - - push(@hunk_lines, '+'.$text); - } elsif ($line =~ /^\-/) { - $minus_lines--; - push(@hunk_lines, $line); - } elsif ($line =~ /^ /) { - $plus_lines--; - $minus_lines--; - push(@hunk_lines, $line); - } else { - print STDERR "$name: $f: malformed patch\n"; - $err = 1; - last; - } - - if ($plus_lines < 0 || $minus_lines < 0) { - print STDERR "$name: $f: malformed patch\n"; - $err = 1; - last; - } elsif ($plus_lines == 0 && $minus_lines == 0) { - # End of a hunk. Process this hunk. - my $i; - my $l; - my @h = (); - my $adj = 0; - my $done = 0; - - for ($i = scalar(@hunk_lines)-1; $i > 0; $i--) { - $l = $hunk_lines[$i]; - if (!$done && $l eq "+\n") { - $adj++; # Skip this line - } elsif ($l =~ /^[ +]/) { - $done = 1; - unshift(@h, $l); - } else { - unshift(@h, $l); - } - } - - $l = $hunk_lines[0]; # Hunk header - undef @hunk_lines; # Free memory - - if ($adj) { - die unless - ($l =~ /^\@\@\s+\-([0-9]+),([0-9]+)\s+\+([0-9]+),([0-9]+)\s\@\@(.*)$/); - my $mstart = $1; - my $mlin = $2; - my $pstart = $3; - my $plin = $4; - my $tail = $5; # doesn't include the final newline - - $l = sprintf("@@ -%d,%d +%d,%d @@%s\n", - $mstart, $mlin, $pstart, $plin-$adj, - $tail); - } - unshift(@h, $l); - - # Transfer to the output array - foreach $l (@h) { - $out_bytes += length($l); - push(@lines, $l); - } - - $in_hunk = 0; - } - } - } - - if ($in_hunk) { - print STDERR "$name: $f: malformed patch\n"; - $err = 1; - } - - if (!$err) { - if ($in_bytes != $out_bytes) { - # Only write to the file if changed - seek(FILE, 0, 0); - print FILE @lines; - - if ( !defined($where = tell(FILE)) || - !truncate(FILE, $where) ) { - die "$name: Failed to truncate modified file: $f: $!\n"; - } - } - } - - close(FILE); -} diff --git a/tools/dtc-version.sh b/tools/dtc-version.sh deleted file mode 100755 index e8c94d3..0000000 --- a/tools/dtc-version.sh +++ /dev/null @@ -1,20 +0,0 @@ -#!/bin/sh -# -# dtc-version dtc-command -# -# Prints the dtc version of `dtc-command' in a canonical 4-digit form -# such as `0222' for binutils 2.22 -# - -dtc="$*" - -if [ ${#dtc} -eq 0 ]; then - echo "Error: No dtc command specified." - printf "Usage:\n\t$0 <dtc-command>\n" - exit 1 -fi - -MAJOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 1) -MINOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 2) - -printf "%02d%02d\\n" $MAJOR $MINOR diff --git a/tools/gcc-version.sh b/tools/gcc-version.sh deleted file mode 100755 index debecb5..0000000 --- a/tools/gcc-version.sh +++ /dev/null @@ -1,32 +0,0 @@ -#!/bin/sh -# -# gcc-version [-p] gcc-command -# -# Prints the gcc version of `gcc-command' in a canonical 4-digit form -# such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc. -# -# With the -p option, prints the patchlevel as well, for example `029503' for -# gcc-2.95.3, `030301' for gcc-3.3.1, etc. -# - -if [ "$1" = "-p" ] ; then - with_patchlevel=1; - shift; -fi - -compiler="$*" - -if [ ${#compiler} -eq 0 ]; then - echo "Error: No compiler specified." - printf "Usage:\n\t$0 <gcc-command>\n" - exit 1 -fi - -MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) -MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) -if [ "x$with_patchlevel" != "x" ] ; then - PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1) - printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL -else - printf "%02d%02d\\n" $MAJOR $MINOR -fi diff --git a/tools/setlocalversion b/tools/setlocalversion deleted file mode 100755 index f551b4c..0000000 --- a/tools/setlocalversion +++ /dev/null @@ -1,177 +0,0 @@ -#!/bin/sh -# -# This scripts adds local version information from the version -# control systems git, mercurial (hg) and subversion (svn). -# -# It was originally copied from the Linux kernel v3.2.0-rc4 and modified -# to support the U-Boot build-system. -# - -usage() { - echo "Usage: $0 [--save-scmversion] [srctree]" >&2 - exit 1 -} - -scm_only=false -srctree=. -if test "$1" = "--save-scmversion"; then - scm_only=true - shift -fi -if test $# -gt 0; then - srctree=$1 - shift -fi -if test $# -gt 0 -o ! -d "$srctree"; then - usage -fi - -scm_version() -{ - local short - short=false - - cd "$srctree" - if test -e .scmversion; then - cat .scmversion - return - fi - if test "$1" = "--short"; then - short=true - fi - - # Check for git and a git repo. - if test -e .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then - - # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore - # it, because this version is defined in the top level Makefile. - if [ -z "`git describe --exact-match 2>/dev/null`" ]; then - - # If only the short version is requested, don't bother - # running further git commands - if $short; then - echo "+" - return - fi - # If we are past a tagged commit (like - # "v2.6.30-rc5-302-g72357d5"), we pretty print it. - if atag="`git describe 2>/dev/null`"; then - echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' - - # If we don't have a tag at all we print -g{commitish}. - else - printf '%s%s' -g $head - fi - fi - - # Is this git on svn? - if git config --get svn-remote.svn.url >/dev/null; then - printf -- '-svn%s' "`git svn find-rev $head`" - fi - - # Update index only on r/w media - [ -w . ] && git update-index --refresh --unmerged > /dev/null - - # Check for uncommitted changes - if git diff-index --name-only HEAD | grep -v "^scripts/package" \ - | read dummy; then - printf '%s' -dirty - fi - - # All done with git - return - fi - - # Check for mercurial and a mercurial repo. - if test -d .hg && hgid=`hg id 2>/dev/null`; then - # Do we have an tagged version? If so, latesttagdistance == 1 - if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then - id=`hg log -r . --template '{latesttag}'` - printf '%s%s' -hg "$id" - else - tag=`printf '%s' "$hgid" | cut -d' ' -f2` - if [ -z "$tag" -o "$tag" = tip ]; then - id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` - printf '%s%s' -hg "$id" - fi - fi - - # Are there uncommitted changes? - # These are represented by + after the changeset id. - case "$hgid" in - *+|*+\ *) printf '%s' -dirty ;; - esac - - # All done with mercurial - return - fi - - # Check for svn and a svn repo. - if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then - rev=`echo $rev | awk '{print $NF}'` - printf -- '-svn%s' "$rev" - - # All done with svn - return - fi -} - -collect_files() -{ - local file res - - for file; do - case "$file" in - *\~*) - continue - ;; - esac - if test -e "$file"; then - res="$res$(cat "$file")" - fi - done - echo "$res" -} - -if $scm_only; then - if test ! -e .scmversion; then - res=$(scm_version) - echo "$res" >.scmversion - fi - exit -fi - -#if test -e include/config/auto.conf; then -# . include/config/auto.conf -#else -# echo "Error: kernelrelease not valid - run 'make prepare' to update it" -# exit 1 -#fi -CONFIG_LOCALVERSION= -CONFIG_LOCALVERSION_AUTO=y - -# localversion* files in the build and source directory -res="$(collect_files localversion*)" -if test ! "$srctree" -ef .; then - res="$res$(collect_files "$srctree"/localversion*)" -fi - -# CONFIG_LOCALVERSION and LOCALVERSION (if set) -res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" - -# scm version string if not at a tagged commit -if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then - # full scm version string - res="$res$(scm_version)" -else - # append a plus sign if the repository is not in a clean - # annotated or signed tagged state (as git describe only - # looks at signed or annotated tags - git tag -a/-s) and - # LOCALVERSION= is not specified - if test "${LOCALVERSION+set}" != "set"; then - scm=$(scm_version --short) - res="$res${scm:++}" - fi -fi - -echo "$res" |