1 files changed, 151 insertions, 0 deletions
diff --git a/Tools/Scripts/check-for-exit-time-destructors b/Tools/Scripts/check-for-exit-time-destructors
new file mode 100755
index 0000000..249bd0b
--- /dev/null
+++ b/Tools/Scripts/check-for-exit-time-destructors
@@ -0,0 +1,151 @@
+#!/usr/bin/perl
+
+# Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer. 
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution. 
+# 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+#     its contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission. 
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# "check-for-exit-time-destructors" script for WebKit Open Source Project
+
+# Intended to be invoked from an Xcode build step to check if there are
+# any exit-time destructors in a target.
+
+use warnings;
+use strict;
+
+use File::Basename;
+
+sub touch($);
+sub printFunctions($$);
+
+my $arch = $ENV{'CURRENT_ARCH'};
+my $configuration = $ENV{'CONFIGURATION'};
+my $target = $ENV{'TARGET_NAME'};
+my $variant = $ENV{'CURRENT_VARIANT'};
+my $coverageBuild = $ENV{'WEBKIT_COVERAGE_BUILD'};
+my $debugRoot = $ENV{'WEBKIT_DEBUG_ROOT'};
+
+$arch = $ENV{'NATIVE_ARCH'} if !$arch; # for Xcode 2.1, which does not have CURRENT_ARCH
+$variant = "normal" if !$variant; # for Xcode 2.1, which does not have CURRENT_VARIANT
+
+my $executablePath = "$ENV{'TARGET_BUILD_DIR'}/$ENV{'EXECUTABLE_PATH'}";
+
+my $buildTimestampPath = $ENV{'TARGET_TEMP_DIR'} . "/" . basename($0) . ".timestamp";
+my $buildTimestampAge = -M $buildTimestampPath;
+my $scriptAge = -M $0;
+
+my $list = $ENV{"LINK_FILE_LIST_${variant}_${arch}"};
+
+if (!open LIST, $list) {
+    print "ERROR: Could not open $list\n";
+    exit 1;
+}
+
+my @files = <LIST>;
+chomp @files;
+close LIST;
+
+my $sawError = 0;
+
+for my $file (sort @files) {
+    if (defined $buildTimestampAge && $buildTimestampAge < $scriptAge) {
+        my $fileAge = -M $file;
+        next if defined $fileAge && $fileAge > $buildTimestampAge;
+    }
+    if (!open NM, "(nm '$file' | sed 's/^/STDOUT:/') 2>&1 |") {
+        print "ERROR: Could not open $file\n";
+        $sawError = 1;
+        next;
+    }
+    my $sawAtExit = 0;
+    while (<NM>) {
+        if (/^STDOUT:/) {
+            $sawAtExit = 1 if /___cxa_atexit/;
+        } else {
+            print STDERR if $_ ne "nm: no name list\n";
+        }
+    }
+    close NM;
+    next unless $sawAtExit;
+
+    my $shortName = $file;
+    $shortName =~ s/.*\///;
+
+    $sawError = 1 if printFunctions($shortName, $file);
+}
+
+if ($sawError and !$coverageBuild) {
+    print "ERROR: Use DEFINE_STATIC_LOCAL from <wtf/StdLibExtras.h>\n";
+    unlink $executablePath;
+    exit 1;
+}
+
+touch($buildTimestampPath);
+exit 0;
+
+sub touch($)
+{
+    my ($path) = @_;
+    open(TOUCH, ">", $path) or die "$!";
+    close(TOUCH);
+}
+
+sub demangle($)
+{
+    my ($symbol) = @_;
+    if (!open FILT, "c++filt $symbol |") {
+        print "ERROR: Could not open c++filt\n";
+        return;
+    }
+    my $result = <FILT>;
+    close FILT;
+    chomp $result;
+    return $result;
+}
+
+sub printFunctions($$)
+{
+    my ($shortName, $path) = @_;
+    if (!open OTOOL, "otool -tV '$path' |") {
+        print "WARNING: Could not open $path\n";
+        return 0;
+    }
+    my %functions;
+    my $currentSymbol = "";
+    while (<OTOOL>) {
+        $currentSymbol = $1 if /^(\w+):$/;
+        next unless $currentSymbol;
+        $functions{demangle($currentSymbol)} = 1 if /___cxa_atexit/;
+    }
+    close OTOOL;
+    my $result = 0;
+    for my $function (sort keys %functions) {
+        if (!$result) {
+            print "ERROR: $shortName has exit time destructors in it! ($path)\n";
+            $result = 1;
+        }
+        print "ERROR: In function $function\n";
+    }
+    return $result;
+}