зеркало из https://github.com/mozilla/pjs.git
147 строки
3.9 KiB
Prolog
Executable File
147 строки
3.9 KiB
Prolog
Executable File
#!/usr/bin/perl -w
|
|
#
|
|
# ***** BEGIN LICENSE BLOCK *****
|
|
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
#
|
|
# The contents of this file are subject to the Mozilla Public License Version
|
|
# 1.1 (the "License"); you may not use this file except in compliance with
|
|
# the License. You may obtain a copy of the License at
|
|
# http://www.mozilla.org/MPL/
|
|
#
|
|
# Software distributed under the License is distributed on an "AS IS" basis,
|
|
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
# for the specific language governing rights and limitations under the
|
|
# License.
|
|
#
|
|
# The Original Code is mozilla.org Code.
|
|
#
|
|
# The Initial Developer of the Original Code is
|
|
# L. David Baron <dbaron@fas.harvard.edu>
|
|
# Portions created by the Initial Developer are Copyright (C) 1998
|
|
# the Initial Developer. All Rights Reserved.
|
|
#
|
|
# Contributor(s):
|
|
#
|
|
# Alternatively, the contents of this file may be used under the terms of
|
|
# either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
# in which case the provisions of the GPL or the LGPL are applicable instead
|
|
# of those above. If you wish to allow use of your version of this file only
|
|
# under the terms of either the GPL or the LGPL, and not to allow others to
|
|
# use your version of this file under the terms of the MPL, indicate your
|
|
# decision by deleting the provisions above and replace them with the notice
|
|
# and other provisions required by the GPL or the LGPL. If you do not delete
|
|
# the provisions above, a recipient may use your version of this file under
|
|
# the terms of any one of the MPL, the GPL or the LGPL.
|
|
#
|
|
# ***** END LICENSE BLOCK *****
|
|
|
|
# Script loosely based on Chris Waterson's find-leakers.pl and make-tree.pl
|
|
|
|
use 5.004;
|
|
use strict;
|
|
use Getopt::Long;
|
|
|
|
# GetOption will create $opt_object, so ignore the
|
|
# warning that gets spit out about those vbls.
|
|
GetOptions("object=s", "list", "help");
|
|
|
|
# use $::opt_help twice to eliminate warning...
|
|
($::opt_help) && ($::opt_help) && die qq{
|
|
usage: find-comptr-leakers.pl < logfile
|
|
--object <obj> Examine only object <obj>
|
|
--list Only list leaked objects
|
|
--help This message :-)
|
|
};
|
|
|
|
if ($::opt_object) {
|
|
warn "Examining only object $::opt_object (THIS IS BROKEN)\n";
|
|
} else {
|
|
warn "Examining all objects\n";
|
|
}
|
|
|
|
my %allocs = ( );
|
|
my %counter;
|
|
my $id = 0;
|
|
|
|
my $accumulating = 0;
|
|
my $savedata = 0;
|
|
my $class;
|
|
my $obj;
|
|
my $sno;
|
|
my $op;
|
|
my $cnt;
|
|
my $ptr;
|
|
my $strace;
|
|
|
|
sub save_data {
|
|
# save the data
|
|
if ($op eq 'nsCOMPtrAddRef') {
|
|
push @{ $allocs{$sno}->{$ptr} }, [ +1, $strace ];
|
|
}
|
|
elsif ($op eq 'nsCOMPtrRelease') {
|
|
push @{ $allocs{$sno}->{$ptr} }, [ -1, $strace ];
|
|
my $sum = 0;
|
|
my @ptrallocs = @{ $allocs{$sno}->{$ptr} };
|
|
foreach my $alloc (@ptrallocs) {
|
|
$sum += @$alloc[0];
|
|
}
|
|
if ( $sum == 0 ) {
|
|
delete($allocs{$sno}{$ptr});
|
|
}
|
|
}
|
|
}
|
|
|
|
LINE: while (<>) {
|
|
if (/^</) {
|
|
chop; # avoid \n in $ptr
|
|
my @fields = split(/ /, $_);
|
|
|
|
($class, $obj, $sno, $op, $cnt, $ptr) = @fields;
|
|
|
|
$strace = "";
|
|
|
|
if ($::opt_list) {
|
|
save_data();
|
|
} elsif (!($::opt_object) || ($::opt_object eq $obj)) {
|
|
$accumulating = 1;
|
|
}
|
|
} elsif ( $accumulating == 1 ) {
|
|
if ( /^$/ ) {
|
|
# if line is empty
|
|
$accumulating = 0;
|
|
save_data();
|
|
} else {
|
|
$strace = $strace . $_;
|
|
}
|
|
}
|
|
}
|
|
if ( $accumulating == 1) {
|
|
save_data();
|
|
}
|
|
|
|
foreach my $serial (keys(%allocs)) {
|
|
foreach my $comptr (keys( %{$allocs{$serial}} )) {
|
|
my $sum = 0;
|
|
my @ptrallocs = @{ $allocs{$serial}->{$comptr} };
|
|
foreach my $alloc (@ptrallocs) {
|
|
$sum += @$alloc[0];
|
|
}
|
|
print "Object ", $serial, " held by ", $comptr, " is ", $sum, " out of balance.\n";
|
|
unless ($::opt_list) {
|
|
print "\n";
|
|
foreach my $alloc (@ptrallocs) {
|
|
if (@$alloc[0] == +1) {
|
|
print "Put into nsCOMPtr at:\n";
|
|
} elsif (@$alloc[0] == -1) {
|
|
print "Released from nsCOMPtr at:\n";
|
|
}
|
|
print @$alloc[1]; # the stack trace
|
|
print "\n";
|
|
}
|
|
print "\n\n";
|
|
}
|
|
}
|
|
}
|
|
|