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scripts/get_abi.pl: add support for searching for ABI symbols
Change its syntax to allow switching between ReST output mode and a new search mode, with allows to seek for ABI symbols using regex. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mauro Carvalho Chehab
Greg Kroah-Hartman
parent
d0ebaf51d2
commit
33e3e9913e
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@ -9,9 +9,11 @@ use Fcntl ':mode';
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my $help;
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my $man;
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my $debug;
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my $prefix="Documentation/ABI";
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GetOptions(
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"debug|d+" => \$debug,
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"dir=s" => \$prefix,
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'help|?' => \$help,
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man => \$man
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) or pod2usage(2);
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@ -19,9 +21,12 @@ GetOptions(
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pod2usage(1) if $help;
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pod2usage(-exitstatus => 0, -verbose => 2) if $man;
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pod2usage(2) if (scalar @ARGV != 1);
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pod2usage(2) if (scalar @ARGV < 1 || @ARGV > 2);
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my ($prefix) = @ARGV;
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my ($cmd, $arg) = @ARGV;
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pod2usage(2) if ($cmd ne "search" && $cmd ne "rest");
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pod2usage(2) if ($cmd eq "search" && !$arg);
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require Data::Dumper if ($debug);
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@ -53,6 +58,7 @@ sub parse_abi {
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$data{$nametag}->{what} = "File $name";
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$data{$nametag}->{type} = "File";
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$data{$nametag}->{file} = $name;
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$data{$nametag}->{filepath} = $file;
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$data{$nametag}->{is_file} = 1;
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my $type = $file;
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@ -115,6 +121,7 @@ sub parse_abi {
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$data{$what}->{type} = $type;
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$data{$what}->{file} = $name;
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$data{$what}->{filepath} = $file;
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print STDERR "\twhat: $what\n" if ($debug > 1);
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}
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@ -183,7 +190,9 @@ sub parse_abi {
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close IN;
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}
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# Outputs the output on ReST format
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#
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# Outputs the book on ReST format
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#
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sub output_rest {
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foreach my $what (sort keys %data) {
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my $type = $data{$what}->{type};
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@ -262,6 +271,45 @@ sub output_rest {
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}
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}
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#
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# Searches for ABI symbols
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#
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sub search_symbols {
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foreach my $what (sort keys %data) {
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next if (!($what =~ m/($arg)/));
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my $type = $data{$what}->{type};
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next if ($type eq "File");
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my $file = $data{$what}->{filepath};
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my $bar = $what;
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$bar =~ s/./-/g;
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print "\n$what\n$bar\n\n";
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my $kernelversion = $data{$what}->{kernelversion};
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my $contact = $data{$what}->{contact};
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my $users = $data{$what}->{users};
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my $date = $data{$what}->{date};
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my $desc = $data{$what}->{description};
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$kernelversion =~ s/^\s+//;
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$contact =~ s/^\s+//;
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$users =~ s/^\s+//;
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$users =~ s/\n//g;
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$date =~ s/^\s+//;
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$desc =~ s/^\s+//;
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printf "Kernel version:\t\t%s\n", $kernelversion if ($kernelversion);
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printf "Date:\t\t\t%s\n", $date if ($date);
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printf "Contact:\t\t%s\n", $contact if ($contact);
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printf "Users:\t\t\t%s\n", $users if ($users);
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print "Defined on file:\t$file\n\n";
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print "Description:\n\n$desc";
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}
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}
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#
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# Parses all ABI files located at $prefix dir
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#
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@ -270,9 +318,13 @@ find({wanted =>\&parse_abi, no_chdir => 1}, $prefix);
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print STDERR Data::Dumper->Dump([\%data], [qw(*data)]) if ($debug);
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#
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# Outputs an ReST file with the ABI contents
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# Handles the command
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#
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output_rest
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if ($cmd eq "rest") {
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output_rest;
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} else {
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search_symbols;
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}
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__END__
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@ -283,12 +335,27 @@ abi_book.pl - parse the Linux ABI files and produce a ReST book.
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=head1 SYNOPSIS
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B<abi_book.pl> [--debug] <ABI_DIR>]
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B<abi_book.pl> [--debug] <COMAND> [<ARGUMENT>]
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Where <COMMAND> can be:
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=over 8
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B<search> [SEARCH_REGEX] - search for [SEARCH_REGEX] inside ABI
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B<rest> - output the ABI in ReST markup language
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=back
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=head1 OPTIONS
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=over 8
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=item B<--dir>
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Changes the location of the ABI search. By default, it uses
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the Documentation/ABI directory.
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=item B<--debug>
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Put the script in verbose mode, useful for debugging. Can be called multiple
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@ -306,8 +373,35 @@ Prints the manual page and exits.
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=head1 DESCRIPTION
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Parse the Linux ABI files from ABI DIR (usually located at Documentation/ABI)
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and produce a ReST book containing the Linux ABI.
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Parse the Linux ABI files from ABI DIR (usually located at Documentation/ABI),
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allowing to search for ABI symbols or to produce a ReST book containing
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the Linux ABI documentation.
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=head1 EXAMPLES
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Search for all stable symbols with the word "usb":
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=over 8
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$ scripts/get_abi.pl search usb --dir Documentation/ABI/stable
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=back
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Search for all symbols that match the regex expression "usb.*cap":
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=over 8
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$ scripts/get_abi.pl search usb.*cap
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=back
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Output all obsoleted symbols in ReST format
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=over 8
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$ scripts/get_abi.pl rest --dir Documentation/ABI/obsolete
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=back
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=head1 BUGS
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@ -315,7 +409,7 @@ Report bugs to Mauro Carvalho Chehab <mchehab@s-opensource.com>
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=head1 COPYRIGHT
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Copyright (c) 2016 by Mauro Carvalho Chehab <mchehab@s-opensource.com>.
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Copyright (c) 2016-2017 by Mauro Carvalho Chehab <mchehab@s-opensource.com>.
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License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>.
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