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-rwxr-xr-xscripts/checkpatch.pl236
-rwxr-xr-xscripts/get_maintainer.pl2
-rw-r--r--scripts/kconfig/streamline_config.pl52
-rw-r--r--scripts/mod/file2alias.c286
-rw-r--r--scripts/package/Makefile2
5 files changed, 349 insertions, 229 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 8fda3b3f7be..e3bfcbe8a52 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -227,7 +227,7 @@ our $Inline = qr{inline|__always_inline|noinline};
our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]};
our $Lval = qr{$Ident(?:$Member)*};
-our $Constant = qr{(?:[0-9]+|0x[0-9a-fA-F]+)[UL]*};
+our $Constant = qr{(?i:(?:[0-9]+|0x[0-9a-f]+)[ul]*)};
our $Assignment = qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)};
our $Compare = qr{<=|>=|==|!=|<|>};
our $Operators = qr{
@@ -315,7 +315,7 @@ sub build_types {
$NonptrType = qr{
(?:$Modifier\s+|const\s+)*
(?:
- (?:typeof|__typeof__)\s*\(\s*\**\s*$Ident\s*\)|
+ (?:typeof|__typeof__)\s*\([^\)]*\)|
(?:$typeTypedefs\b)|
(?:${all}\b)
)
@@ -334,6 +334,7 @@ our $match_balanced_parentheses = qr/(\((?:[^\(\)]+|(-1))*\))/;
our $Typecast = qr{\s*(\(\s*$NonptrType\s*\)){0,1}\s*};
our $LvalOrFunc = qr{($Lval)\s*($match_balanced_parentheses{0,1})\s*};
+our $FuncArg = qr{$Typecast{0,1}($LvalOrFunc|$Constant)};
sub deparenthesize {
my ($string) = @_;
@@ -676,6 +677,10 @@ sub ctx_statement_block {
if ($off >= $len) {
last;
}
+ if ($level == 0 && substr($blk, $off) =~ /^.\s*#\s*define/) {
+ $level++;
+ $type = '#';
+ }
}
$p = $c;
$c = substr($blk, $off, 1);
@@ -738,6 +743,13 @@ sub ctx_statement_block {
last;
}
}
+ # Preprocessor commands end at the newline unless escaped.
+ if ($type eq '#' && $c eq "\n" && $p ne "\\") {
+ $level--;
+ $type = '';
+ $off++;
+ last;
+ }
$off++;
}
# We are truly at the end, so shuffle to the next line.
@@ -1020,7 +1032,7 @@ sub annotate_values {
} elsif ($cur =~ /^(\(\s*$Type\s*)\)/ && $av_pending eq '_') {
print "CAST($1)\n" if ($dbg_values > 1);
push(@av_paren_type, $type);
- $type = 'C';
+ $type = 'c';
} elsif ($cur =~ /^($Type)\s*(?:$Ident|,|\)|\(|\s*$)/) {
print "DECLARE($1)\n" if ($dbg_values > 1);
@@ -1212,7 +1224,9 @@ sub possible {
case|
else|
asm|__asm__|
- do
+ do|
+ \#|
+ \#\#|
)(?:\s|$)|
^(?:typedef|struct|enum)\b
)}x;
@@ -1359,6 +1373,7 @@ sub process {
my %suppress_ifbraces;
my %suppress_whiletrailers;
my %suppress_export;
+ my $suppress_statement = 0;
# Pre-scan the patch sanitizing the lines.
# Pre-scan the patch looking for any __setup documentation.
@@ -1468,6 +1483,7 @@ sub process {
%suppress_ifbraces = ();
%suppress_whiletrailers = ();
%suppress_export = ();
+ $suppress_statement = 0;
next;
# track the line number as we move through the hunk, note that
@@ -1504,9 +1520,11 @@ sub process {
if ($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 && $p1_prefix ne '' &&
@@ -1546,7 +1564,8 @@ sub process {
}
# Check signature styles
- if ($line =~ /^(\s*)($signature_tags)(\s*)(.*)/) {
+ if (!$in_header_lines &&
+ $line =~ /^(\s*)($signature_tags)(\s*)(.*)/) {
my $space_before = $1;
my $sign_off = $2;
my $space_after = $3;
@@ -1623,7 +1642,7 @@ sub process {
# Check if it's the start of a commit log
# (not a header line and we haven't seen the patch filename)
if ($in_header_lines && $realfile =~ /^$/ &&
- $rawline !~ /^(commit\b|from\b|\w+:).+$/i) {
+ $rawline !~ /^(commit\b|from\b|[\w-]+:).+$/i) {
$in_header_lines = 0;
$in_commit_log = 1;
}
@@ -1655,19 +1674,26 @@ sub process {
# Only applies when adding the entry originally, after that we do not have
# sufficient context to determine whether it is indeed long enough.
if ($realfile =~ /Kconfig/ &&
- $line =~ /\+\s*(?:---)?help(?:---)?$/) {
+ $line =~ /.\s*config\s+/) {
my $length = 0;
my $cnt = $realcnt;
my $ln = $linenr + 1;
my $f;
+ my $is_start = 0;
my $is_end = 0;
- while ($cnt > 0 && defined $lines[$ln - 1]) {
+ for (; $cnt > 0 && defined $lines[$ln - 1]; $ln++) {
$f = $lines[$ln - 1];
$cnt-- if ($lines[$ln - 1] !~ /^-/);
$is_end = $lines[$ln - 1] =~ /^\+/;
- $ln++;
next if ($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+//;
@@ -1679,8 +1705,8 @@ sub process {
$length++;
}
WARN("CONFIG_DESCRIPTION",
- "please write a paragraph that describes the config symbol fully\n" . $herecurr) if ($is_end && $length < 4);
- #print "is_end<$is_end> length<$length>\n";
+ "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";
}
if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) &&
@@ -1792,12 +1818,24 @@ sub process {
# Check for potential 'bare' types
my ($stat, $cond, $line_nr_next, $remain_next, $off_next,
$realline_next);
- if ($realcnt && $line =~ /.\s*\S/) {
+#print "LINE<$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 $realline_next &&
@@ -1923,6 +1961,9 @@ sub process {
# Check relative indent for conditionals and blocks.
if ($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), '');
@@ -2090,7 +2131,7 @@ sub process {
# XXX(foo);
# EXPORT_SYMBOL(something_foo);
my $name = $1;
- if ($stat =~ /^.([A-Z_]+)\s*\(\s*($Ident)/ &&
+ if ($stat =~ /^(?:.\s*}\s*\n)?.([A-Z_]+)\s*\(\s*($Ident)/ &&
$name =~ /^${Ident}_$2/) {
#print "FOO C name<$name>\n";
$suppress_export{$realline_next} = 1;
@@ -2168,8 +2209,9 @@ sub process {
# * goes on variable not on type
# (char*[ const])
- if ($line =~ m{\($NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)\)}) {
- my ($from, $to) = ($1, $1);
+ while ($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)/ $1/;
@@ -2184,8 +2226,10 @@ sub process {
ERROR("POINTER_LOCATION",
"\"(foo$from)\" should be \"(foo$to)\"\n" . $herecurr);
}
- } elsif ($line =~ m{\b$NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)($Ident)}) {
- my ($from, $to, $ident) = ($1, $1, $2);
+ }
+ while ($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/;
@@ -2568,7 +2612,7 @@ sub process {
# Flatten any parentheses
$value =~ s/\(/ \(/g;
$value =~ s/\)/\) /g;
- while ($value =~ s/\[[^\{\}]*\]/1/ ||
+ while ($value =~ s/\[[^\[\]]*\]/1/ ||
$value !~ /(?:$Ident|-?$Constant)\s*
$Compare\s*
(?:$Ident|-?$Constant)/x &&
@@ -2593,28 +2637,6 @@ sub process {
}
}
-# typecasts on min/max could be min_t/max_t
- if ($line =~ /^\+(?:.*?)\b(min|max)\s*\($Typecast{0,1}($LvalOrFunc)\s*,\s*$Typecast{0,1}($LvalOrFunc)\s*\)/) {
- if (defined $2 || defined $8) {
- my $call = $1;
- my $cast1 = deparenthesize($2);
- my $arg1 = $3;
- my $cast2 = deparenthesize($8);
- my $arg2 = $9;
- my $cast;
-
- if ($cast1 ne "" && $cast2 ne "") {
- $cast = "$cast1 or $cast2";
- } elsif ($cast1 ne "") {
- $cast = $cast1;
- } else {
- $cast = $cast2;
- }
- WARN("MINMAX",
- "$call() should probably be ${call}_t($cast, $arg1, $arg2)\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" . $herecurr);
@@ -2623,6 +2645,9 @@ sub process {
# Check for illegal assignment in if conditional -- and check for trailing
# statements after the conditional.
if ($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;
@@ -2778,47 +2803,13 @@ sub process {
my $cnt = $realcnt;
my ($off, $dstat, $dcond, $rest);
my $ctx = '';
-
- my $args = defined($1);
-
- # Find the end of the macro and limit our statement
- # search to that.
- while ($cnt > 0 && defined $lines[$ln - 1] &&
- $lines[$ln - 1] =~ /^(?:-|..*\\$)/)
- {
- $ctx .= $rawlines[$ln - 1] . "\n";
- $cnt-- if ($lines[$ln - 1] !~ /^-/);
- $ln++;
- }
- $ctx .= $rawlines[$ln - 1];
-
($dstat, $dcond, $ln, $cnt, $off) =
- ctx_statement_block($linenr, $ln - $linenr + 1, 0);
+ ctx_statement_block($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";
- # Extract the remainder of the define (if any) and
- # rip off surrounding spaces, and trailing \'s.
- $rest = '';
- while ($off != 0 || ($cnt > 0 && $rest =~ /\\\s*$/)) {
- #print "ADDING cnt<$cnt> $off <" . substr($lines[$ln - 1], $off) . "> rest<$rest>\n";
- if ($off != 0 || $lines[$ln - 1] !~ /^-/) {
- $rest .= substr($lines[$ln - 1], $off) . "\n";
- $cnt--;
- }
- $ln++;
- $off = 0;
- }
- $rest =~ s/\\\n.//g;
- $rest =~ s/^\s*//s;
- $rest =~ s/\s*$//s;
-
- # Clean up the original statement.
- if ($args) {
- substr($dstat, 0, length($dcond), '');
- } else {
- $dstat =~ s/^.\s*\#\s*define\s+$Ident\s*//;
- }
+ $dstat =~ s/^.\s*\#\s*define\s+$Ident(?:\([^\)]*\))?\s*//;
$dstat =~ s/$;//g;
$dstat =~ s/\\\n.//g;
$dstat =~ s/^\s*//s;
@@ -2827,7 +2818,7 @@ sub process {
# Flatten any parentheses and braces
while ($dstat =~ s/\([^\(\)]*\)/1/ ||
$dstat =~ s/\{[^\{\}]*\}/1/ ||
- $dstat =~ s/\[[^\{\}]*\]/1/)
+ $dstat =~ s/\[[^\[\]]*\]/1/)
{
}
@@ -2844,23 +2835,32 @@ sub process {
^\"|\"$
}x;
#print "REST<$rest> dstat<$dstat> ctx<$ctx>\n";
- if ($rest ne '' && $rest ne ',') {
- if ($rest !~ /while\s*\(/ &&
- $dstat !~ /$exceptions/)
- {
- ERROR("MULTISTATEMENT_MACRO_USE_DO_WHILE",
- "Macros with multiple statements should be enclosed in a do - while loop\n" . "$here\n$ctx\n");
+ if ($dstat ne '' &&
+ $dstat !~ /^(?:$Ident|-?$Constant),$/ && # 10, // foo(),
+ $dstat !~ /^(?:$Ident|-?$Constant);$/ && # foo();
+ $dstat !~ /^(?:$Ident|-?$Constant)$/ && # 10 // foo()
+ $dstat !~ /$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, $n) . "\n";
}
- } elsif ($ctx !~ /;/) {
- if ($dstat ne '' &&
- $dstat !~ /^(?:$Ident|-?$Constant)$/ &&
- $dstat !~ /$exceptions/ &&
- $dstat !~ /^\.$Ident\s*=/ &&
- $dstat =~ /$Operators/)
- {
+ 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" . "$here\n$ctx\n");
+ "Macros with complex values should be enclosed in parenthesis\n" . "$herectx");
}
}
}
@@ -3111,6 +3111,12 @@ sub process {
"__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" . $herecurr);
+ }
+
# check for sizeof(&)
if ($line =~ /\bsizeof\s*\(\s*\&/) {
WARN("SIZEOF_ADDRESS",
@@ -3123,6 +3129,46 @@ sub process {
"Avoid line continuations in quoted strings\n" . $herecurr);
}
+# Check for misused memsets
+ if (defined $stat &&
+ $stat =~ /^\+(?:.*?)\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*$FuncArg\s*\)/s) {
+
+ my $ms_addr = $2;
+ my $ms_val = $8;
+ my $ms_size = $14;
+
+ if ($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 (defined $stat &&
+ $stat =~ /^\+(?:.*?)\b(min|max)\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\)/) {
+ if (defined $2 || defined $8) {
+ my $call = $1;
+ my $cast1 = deparenthesize($2);
+ my $arg1 = $3;
+ my $cast2 = deparenthesize($8);
+ my $arg2 = $9;
+ my $cast;
+
+ if ($cast1 ne "" && $cast2 ne "") {
+ $cast = "$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$stat\n");
+ }
+ }
+
# check for new externs in .c files.
if ($realfile =~ /\.c$/ && defined $stat &&
$stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
@@ -3294,12 +3340,6 @@ sub process {
WARN("EXPORTED_WORLD_WRITABLE",
"Exporting world writable files is usually an error. Consider more restrictive permissions.\n" . $herecurr);
}
-
- # Check for memset with swapped arguments
- if ($line =~ /memset.*\,(\ |)(0x|)0(\ |0|)\);/) {
- ERROR("MEMSET",
- "memset size is 3rd argument, not the second.\n" . $herecurr);
- }
}
# If we have no input at all, then there is nothing to report on
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 4594f334105..f32a04c4c5b 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -95,7 +95,7 @@ my %VCS_cmds_git = (
"execute_cmd" => \&git_execute_cmd,
"available" => '(which("git") ne "") && (-d ".git")',
"find_signers_cmd" =>
- "git log --no-color --since=\$email_git_since " .
+ "git log --no-color --follow --since=\$email_git_since " .
'--format="GitCommit: %H%n' .
'GitAuthor: %an <%ae>%n' .
'GitDate: %aD%n' .
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index ec7afce4c88..bccf07ddd0b 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -250,33 +250,61 @@ if ($kconfig) {
read_kconfig($kconfig);
}
+sub convert_vars {
+ my ($line, %vars) = @_;
+
+ my $process = "";
+
+ while ($line =~ s/^(.*?)(\$\((.*?)\))//) {
+ my $start = $1;
+ my $variable = $2;
+ my $var = $3;
+
+ if (defined($vars{$var})) {
+ $process .= $start . $vars{$var};
+ } else {
+ $process .= $start . $variable;
+ }
+ }
+
+ $process .= $line;
+
+ return $process;
+}
+
# Read all Makefiles to map the configs to the objects
foreach my $makefile (@makefiles) {
- my $cont = 0;
+ my $line = "";
+ my %make_vars;
open(MIN,$makefile) || die "Can't open $makefile";
while (<MIN>) {
+ # if this line ends with a backslash, continue
+ chomp;
+ if (/^(.*)\\$/) {
+ $line .= $1;
+ next;
+ }
+
+ $line .= $_;
+ $_ = $line;
+ $line = "";
+
my $objs;
- # is this a line after a line with a backslash?
- if ($cont && /(\S.*)$/) {
- $objs = $1;
- }
- $cont = 0;
+ $_ = convert_vars($_, %make_vars);
# collect objects after obj-$(CONFIG_FOO_BAR)
if (/obj-\$\((CONFIG_[^\)]*)\)\s*[+:]?=\s*(.*)/) {
$var = $1;
$objs = $2;
+
+ # check if variables are set
+ } elsif (/^\s*(\S+)\s*[:]?=\s*(.*\S)/) {
+ $make_vars{$1} = $2;
}
if (defined($objs)) {
- # test if the line ends with a backslash
- if ($objs =~ m,(.*)\\$,) {
- $objs = $1;
- $cont = 1;
- }
-
foreach my $obj (split /\s+/,$objs) {
$obj =~ s/-/_/g;
if ($obj =~ /(.*)\.o$/) {
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index f936d1fa969..c0e14b3f230 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -28,6 +28,7 @@ typedef Elf64_Addr kernel_ulong_t;
#endif
#include <ctype.h>
+#include <stdbool.h>
typedef uint32_t __u32;
typedef uint16_t __u16;
@@ -38,6 +39,35 @@ typedef unsigned char __u8;
* we handle those differences explicitly below */
#include "../../include/linux/mod_devicetable.h"
+/* This array collects all instances that use the generic do_table */
+struct devtable {
+ const char *device_id; /* name of table, __mod_<name>_device_table. */
+ unsigned long id_size;
+ void *function;
+};
+
+/* We construct a table of pointers in an ELF section (pointers generally
+ * go unpadded by gcc). ld creates boundary syms for us. */
+extern struct devtable *__start___devtable[], *__stop___devtable[];
+#define ___cat(a,b) a ## b
+#define __cat(a,b) ___cat(a,b)
+
+#if __GNUC__ == 3 && __GNUC_MINOR__ < 3
+# define __used __attribute__((__unused__))
+#else
+# define __used __attribute__((__used__))
+#endif
+
+/* Add a table entry. We test function type matches while we're here. */
+#define ADD_TO_DEVTABLE(device_id, type, function) \
+ static struct devtable __cat(devtable,__LINE__) = { \
+ device_id + 0*sizeof((function)((const char *)NULL, \
+ (type *)NULL, \
+ (char *)NULL)), \
+ sizeof(type), (function) }; \
+ static struct devtable *__attribute__((section("__devtable"))) \
+ __used __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__)
+
#define ADD(str, sep, cond, field) \
do { \
strcat(str, sep); \
@@ -289,6 +319,7 @@ static int do_hid_entry(const char *filename,
return 1;
}
+ADD_TO_DEVTABLE("hid", struct hid_device_id, do_hid_entry);
/* Looks like: ieee1394:venNmoNspNverN */
static int do_ieee1394_entry(const char *filename,
@@ -313,6 +344,7 @@ static int do_ieee1394_entry(const char *filename,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("ieee1394", struct ieee1394_device_id, do_ieee1394_entry);
/* Looks like: pci:vNdNsvNsdNbcNscNiN. */
static int do_pci_entry(const char *filename,
@@ -356,6 +388,7 @@ static int do_pci_entry(const char *filename,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("pci", struct pci_device_id, do_pci_entry);
/* looks like: "ccw:tNmNdtNdmN" */
static int do_ccw_entry(const char *filename,
@@ -379,6 +412,7 @@ static int do_ccw_entry(const char *filename,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("ccw", struct ccw_device_id, do_ccw_entry);
/* looks like: "ap:tN" */
static int do_ap_entry(const char *filename,
@@ -387,6 +421,7 @@ static int do_ap_entry(const char *filename,
sprintf(alias, "ap:t%02X*", id->dev_type);
return 1;
}
+ADD_TO_DEVTABLE("ap", struct ap_device_id, do_ap_entry);
/* looks like: "css:tN" */
static int do_css_entry(const char *filename,
@@ -395,6 +430,7 @@ static int do_css_entry(const char *filename,
sprintf(alias, "css:t%01X", id->type);
return 1;
}
+ADD_TO_DEVTABLE("css", struct css_device_id, do_css_entry);
/* Looks like: "serio:tyNprNidNexN" */
static int do_serio_entry(const char *filename,
@@ -414,6 +450,7 @@ static int do_serio_entry(const char *filename,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("serio", struct serio_device_id, do_serio_entry);
/* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */
static int do_acpi_entry(const char *filename,
@@ -422,6 +459,7 @@ static int do_acpi_entry(const char *filename,
sprintf(alias, "acpi*:%s:*", id->id);
return 1;
}
+ADD_TO_DEVTABLE("acpi", struct acpi_device_id, do_acpi_entry);
/* looks like: "pnp:dD" */
static void do_pnp_device_entry(void *symval, unsigned long size,
@@ -544,8 +582,7 @@ static int do_pcmcia_entry(const char *filename,
add_wildcard(alias);
return 1;
}
-
-
+ADD_TO_DEVTABLE("pcmcia", struct pcmcia_device_id, do_pcmcia_entry);
static int do_of_entry (const char *filename, struct of_device_id *of, char *alias)
{
@@ -568,6 +605,7 @@ static int do_of_entry (const char *filename, struct of_device_id *of, char *ali
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("of", struct of_device_id, do_of_entry);
static int do_vio_entry(const char *filename, struct vio_device_id *vio,
char *alias)
@@ -585,6 +623,7 @@ static int do_vio_entry(const char *filename, struct vio_device_id *vio,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("vio", struct vio_device_id, do_vio_entry);
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
@@ -640,6 +679,7 @@ static int do_input_entry(const char *filename, struct input_device_id *id,
do_input(alias, id->swbit, 0, INPUT_DEVICE_ID_SW_MAX);
return 1;
}
+ADD_TO_DEVTABLE("input", struct input_device_id, do_input_entry);
static int do_eisa_entry(const char *filename, struct eisa_device_id *eisa,
char *alias)
@@ -650,6 +690,7 @@ static int do_eisa_entry(const char *filename, struct eisa_device_id *eisa,
strcat(alias, "*");
return 1;
}
+ADD_TO_DEVTABLE("eisa", struct eisa_device_id, do_eisa_entry);
/* Looks like: parisc:tNhvNrevNsvN */
static int do_parisc_entry(const char *filename, struct parisc_device_id *id,
@@ -669,6 +710,7 @@ static int do_parisc_entry(const char *filename, struct parisc_device_id *id,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("parisc", struct parisc_device_id, do_parisc_entry);
/* Looks like: sdio:cNvNdN. */
static int do_sdio_entry(const char *filename,
@@ -685,6 +727,7 @@ static int do_sdio_entry(const char *filename,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("sdio", struct sdio_device_id, do_sdio_entry);
/* Looks like: ssb:vNidNrevN. */
static int do_ssb_entry(const char *filename,
@@ -701,6 +744,7 @@ static int do_ssb_entry(const char *filename,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("ssb", struct ssb_device_id, do_ssb_entry);
/* Looks like: bcma:mNidNrevNclN. */
static int do_bcma_entry(const char *filename,
@@ -719,6 +763,7 @@ static int do_bcma_entry(const char *filename,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("bcma", struct bcma_device_id, do_bcma_entry);
/* Looks like: virtio:dNvN */
static int do_virtio_entry(const char *filename, struct virtio_device_id *id,
@@ -734,6 +779,7 @@ static int do_virtio_entry(const char *filename, struct virtio_device_id *id,
add_wildcard(alias);
return 1;
}
+ADD_TO_DEVTABLE("virtio", struct virtio_device_id, do_virtio_entry);
/*
* Looks like: vmbus:guid
@@ -755,6 +801,7 @@ static int do_vmbus_entry(const char *filename, struct hv_vmbus_device_id *id,
return 1;
}
+ADD_TO_DEVTABLE("vmbus", struct hv_vmbus_device_id, do_vmbus_entry);
/* Looks like: i2c:S */
static int do_i2c_entry(const char *filename, struct i2c_device_id *id,
@@ -764,6 +811,7 @@ static int do_i2c_entry(const char *filename, struct i2c_device_id *id,
return 1;
}
+ADD_TO_DEVTABLE("i2c", struct i2c_device_id, do_i2c_entry);
/* Looks like: spi:S */
static int do_spi_entry(const char *filename, struct spi_device_id *id,
@@ -773,6 +821,17 @@ static int do_spi_entry(const char *filename, struct spi_device_id *id,
return 1;
}
+ADD_TO_DEVTABLE("spi", struct spi_device_id, do_spi_entry);
+
+/* Looks like: mcp:S */
+static int do_mcp_entry(const char *filename, struct mcp_device_id *id,
+ char *alias)
+{
+ sprintf(alias, MCP_MODULE_PREFIX "%s", id->name);
+
+ return 1;
+}
+ADD_TO_DEVTABLE("mcp", struct mcp_device_id, do_mcp_entry);
static const struct dmifield {
const char *prefix;
@@ -827,6 +886,7 @@ static int do_dmi_entry(const char *filename, struct dmi_system_id *id,
strcat(alias, ":");
return 1;
}
+ADD_TO_DEVTABLE("dmi", struct dmi_system_id, do_dmi_entry);
static int do_platform_entry(const char *filename,
struct platform_device_id *id, char *alias)
@@ -834,6 +894,7 @@ static int do_platform_entry(const char *filename,
sprintf(alias, PLATFORM_MODULE_PREFIX "%s", id->name);
return 1;
}
+ADD_TO_DEVTABLE("platform", struct platform_device_id, do_platform_entry);
static int do_mdio_entry(const char *filename,
struct mdio_device_id *id, char *alias)
@@ -856,6 +917,7 @@ static int do_mdio_entry(const char *filename,
return 1;
}
+ADD_TO_DEVTABLE("mdio", struct mdio_device_id, do_mdio_entry);
/* Looks like: zorro:iN. */
static int do_zorro_entry(const char *filename, struct zorro_device_id *id,
@@ -866,6 +928,7 @@ static int do_zorro_entry(const char *filename, struct zorro_device_id *id,
ADD(alias, "i", id->id != ZORRO_WILDCARD, id->id);
return 1;
}
+ADD_TO_DEVTABLE("zorro", struct zorro_device_id, do_zorro_entry);
/* looks like: "pnp:dD" */
static int do_isapnp_entry(const char *filename,
@@ -879,16 +942,84 @@ static int do_isapnp_entry(const char *filename,
(id->function >> 12) & 0x0f, (id->function >> 8) & 0x0f);
return 1;
}
+ADD_TO_DEVTABLE("isa", struct isapnp_device_id, do_isapnp_entry);
-/* Ignore any prefix, eg. some architectures prepend _ */
-static inline int sym_is(const char *symbol, const char *name)
+/*
+ * Append a match expression for a single masked hex digit.
+ * outp points to a pointer to the character at which to append.
+ * *outp is updated on return to point just after the appended text,
+ * to facilitate further appending.
+ */
+static void append_nibble_mask(char **outp,
+ unsigned int nibble, unsigned int mask)
{
- const char *match;
+ char *p = *outp;
+ unsigned int i;
- match = strstr(symbol, name);
- if (!match)
- return 0;
- return match[strlen(name)] == '\0';
+ switch (mask) {
+ case 0:
+ *p++ = '?';
+ break;
+
+ case 0xf:
+ p += sprintf(p, "%X", nibble);
+ break;
+
+ default:
+ /*
+ * Dumbly emit a match pattern for all possible matching
+ * digits. This could be improved in some cases using ranges,
+ * but it has the advantage of being trivially correct, and is
+ * often optimal.
+ */
+ *p++ = '[';
+ for (i = 0; i < 0x10; i++)
+ if ((i & mask) == nibble)
+ p += sprintf(p, "%X", i);
+ *p++ = ']';
+ }
+
+ /* Ensure that the string remains NUL-terminated: */
+ *p = '\0';
+
+ /* Advance the caller's end-of-string pointer: */
+ *outp = p;
+}
+
+/*
+ * looks like: "amba:dN"
+ *
+ * N is exactly 8 digits, where each is an upper-case hex digit, or
+ * a ? or [] pattern matching exactly one digit.
+ */
+static int do_amba_entry(const char *filename,
+ struct amba_id *id, char *alias)
+{
+ unsigned int digit;
+ char *p = alias;
+
+ if ((id->id & id->mask) != id->id)
+ fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: "
+ "id=0x%08X, mask=0x%08X. Please fix this driver.\n",
+ filename, id->id, id->mask);
+
+ p += sprintf(alias, "amba:d");
+ for (digit = 0; digit < 8; digit++)
+ append_nibble_mask(&p,
+ (id->id >> (4 * (7 - digit))) & 0xf,
+ (id->mask >> (4 * (7 - digit))) & 0xf);
+
+ return 1;
+}
+ADD_TO_DEVTABLE("amba", struct amba_id, do_amba_entry);
+
+/* Does namelen bytes of name exactly match the symbol? */
+static bool sym_is(const char *name, unsigned namelen, const char *symbol)
+{
+ if (namelen != strlen(symbol))
+ return false;
+
+ return memcmp(name, symbol, namelen) == 0;
}
static void do_table(void *symval, unsigned long size,
@@ -921,11 +1052,25 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
{
void *symval;
char *zeros = NULL;
+ const char *name;
+ unsigned int namelen;
/* We're looking for a section relative symbol */
if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections)
return;
+ /* All our symbols are of form <prefix>__mod_XXX_device_table. */
+ name = strstr(symname, "__mod_");
+ if (!name)
+ return;
+ name += strlen("__mod_");
+ namelen = strlen(name);
+ if (namelen < strlen("_device_table"))
+ return;
+ if (strcmp(name + namelen - strlen("_device_table"), "_device_table"))
+ return;
+ namelen -= strlen("_device_table");
+
/* Handle all-NULL symbols allocated into .bss */
if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) {
zeros = calloc(1, sym->st_size);
@@ -936,117 +1081,24 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
+ sym->st_value;
}
- if (sym_is(symname, "__mod_pci_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct pci_device_id), "pci",
- do_pci_entry, mod);
- else if (sym_is(symname, "__mod_usb_device_table"))
- /* special case to handle bcdDevice ranges */
+ /* First handle the "special" cases */
+ if (sym_is(name, namelen, "usb"))
do_usb_table(symval, sym->st_size, mod);
- else if (sym_is(symname, "__mod_hid_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct hid_device_id), "hid",
- do_hid_entry, mod);
- else if (sym_is(symname, "__mod_ieee1394_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct ieee1394_device_id), "ieee1394",
- do_ieee1394_entry, mod);
- else if (sym_is(symname, "__mod_ccw_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct ccw_device_id), "ccw",
- do_ccw_entry, mod);
- else if (sym_is(symname, "__mod_ap_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct ap_device_id), "ap",
- do_ap_entry, mod);
- else if (sym_is(symname, "__mod_css_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct css_device_id), "css",
- do_css_entry, mod);
- else if (sym_is(symname, "__mod_serio_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct serio_device_id), "serio",
- do_serio_entry, mod);
- else if (sym_is(symname, "__mod_acpi_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct acpi_device_id), "acpi",
- do_acpi_entry, mod);
- else if (sym_is(symname, "__mod_pnp_device_table"))
+ else if (sym_is(name, namelen, "pnp"))
do_pnp_device_entry(symval, sym->st_size, mod);
- else if (sym_is(symname, "__mod_pnp_card_device_table"))
+ else if (sym_is(name, namelen, "pnp_card"))
do_pnp_card_entries(symval, sym->st_size, mod);
- else if (sym_is(symname, "__mod_pcmcia_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct pcmcia_device_id), "pcmcia",
- do_pcmcia_entry, mod);
- else if (sym_is(symname, "__mod_of_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct of_device_id), "of",
- do_of_entry, mod);
- else if (sym_is(symname, "__mod_vio_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct vio_device_id), "vio",
- do_vio_entry, mod);
- else if (sym_is(symname, "__mod_input_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct input_device_id), "input",
- do_input_entry, mod);
- else if (sym_is(symname, "__mod_eisa_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct eisa_device_id), "eisa",
- do_eisa_entry, mod);
- else if (sym_is(symname, "__mod_parisc_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct parisc_device_id), "parisc",
- do_parisc_entry, mod);
- else if (sym_is(symname, "__mod_sdio_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct sdio_device_id), "sdio",
- do_sdio_entry, mod);
- else if (sym_is(symname, "__mod_ssb_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct ssb_device_id), "ssb",
- do_ssb_entry, mod);
- else if (sym_is(symname, "__mod_bcma_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct bcma_device_id), "bcma",
- do_bcma_entry, mod);
- else if (sym_is(symname, "__mod_virtio_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct virtio_device_id), "virtio",
- do_virtio_entry, mod);
- else if (sym_is(symname, "__mod_vmbus_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct hv_vmbus_device_id), "vmbus",
- do_vmbus_entry, mod);
- else if (sym_is(symname, "__mod_i2c_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct i2c_device_id), "i2c",
- do_i2c_entry, mod);
- else if (sym_is(symname, "__mod_spi_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct spi_device_id), "spi",
- do_spi_entry, mod);
- else if (sym_is(symname, "__mod_dmi_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct dmi_system_id), "dmi",
- do_dmi_entry, mod);
- else if (sym_is(symname, "__mod_platform_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct platform_device_id), "platform",
- do_platform_entry, mod);
- else if (sym_is(symname, "__mod_mdio_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct mdio_device_id), "mdio",
- do_mdio_entry, mod);
- else if (sym_is(symname, "__mod_zorro_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct zorro_device_id), "zorro",
- do_zorro_entry, mod);
- else if (sym_is(symname, "__mod_isapnp_device_table"))
- do_table(symval, sym->st_size,
- sizeof(struct isapnp_device_id), "isa",
- do_isapnp_entry, mod);
+ else {
+ struct devtable **p;
+
+ for (p = __start___devtable; p < __stop___devtable; p++) {
+ if (sym_is(name, namelen, (*p)->device_id)) {
+ do_table(symval, sym->st_size, (*p)->id_size,
+ (*p)->device_id, (*p)->function, mod);
+ break;
+ }
+ }
+ }
free(zeros);
}
diff --git a/scripts/package/Makefile b/scripts/package/Makefile
index bc6aa003860..87bf08076b1 100644
--- a/scripts/package/Makefile
+++ b/scripts/package/Makefile
@@ -141,7 +141,7 @@ perf-%pkg: FORCE
help: FORCE
@echo ' rpm-pkg - Build both source and binary RPM kernel packages'
@echo ' binrpm-pkg - Build only the binary kernel package'
- @echo ' deb-pkg - Build the kernel as an deb package'
+ @echo ' deb-pkg - Build the kernel as a deb package'
@echo ' tar-pkg - Build the kernel as an uncompressed tarball'
@echo ' targz-pkg - Build the kernel as a gzip compressed tarball'
@echo ' tarbz2-pkg - Build the kernel as a bzip2 compressed tarball'
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-12 12:45:16 +0000