| Index: Tools/Scripts/check-for-weak-vtables-and-externals
|
| diff --git a/Tools/Scripts/check-for-weak-vtables-and-externals b/Tools/Scripts/check-for-weak-vtables-and-externals
|
| deleted file mode 100755
|
| index b191fbc865da6535edff42bf496e46d80dbbaddd..0000000000000000000000000000000000000000
|
| --- a/Tools/Scripts/check-for-weak-vtables-and-externals
|
| +++ /dev/null
|
| @@ -1,120 +0,0 @@
|
| -#!/usr/bin/perl
|
| -
|
| -# Copyright (C) 2006, 2007, 2008, 2010 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 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-weak-vtables-and-externals" script for WebKit Open Source Project
|
| -
|
| -# Intended to be invoked from an Xcode build step to check if there are
|
| -# any weak vtables or weak externals in a target.
|
| -
|
| -use warnings;
|
| -use strict;
|
| -
|
| -use File::Basename;
|
| -
|
| -sub touch($);
|
| -
|
| -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 $executablePathAge = -M $executablePath;
|
| -
|
| -my $sawError = 0;
|
| -
|
| -if (!defined $executablePathAge || !defined $buildTimestampAge || $executablePathAge < $buildTimestampAge) {
|
| - if (!open NM, "(nm -m '$executablePath' | c++filt | sed 's/^/STDOUT:/') 2>&1 |") {
|
| - print "ERROR: Could not open $executablePath\n";
|
| - $sawError = 1;
|
| - next;
|
| - }
|
| - my @weakVTableClasses = ();
|
| - my @weakExternalSymbols = ();
|
| - while (<NM>) {
|
| - if (/^STDOUT:/) {
|
| - # Ignore undefined, RTTI and typeinfo symbols.
|
| - next if /\bundefined\b/ or /\b__ZT[IS]/;
|
| -
|
| - if (/weak external vtable for (.*)$/) {
|
| - push @weakVTableClasses, $1;
|
| - } elsif (/weak external (.*)$/) {
|
| - push @weakExternalSymbols, $1;
|
| - }
|
| - } else {
|
| - print STDERR if $_ ne "nm: no name list\n";
|
| - }
|
| - }
|
| - close NM;
|
| -
|
| - my $shortName = $executablePath;
|
| - $shortName =~ s/.*\///;
|
| -
|
| - if (@weakVTableClasses) {
|
| - print "ERROR: $shortName has a weak vtable in it ($executablePath)\n";
|
| - print "ERROR: Fix by making sure the first virtual function in each of these classes is not an inline:\n";
|
| - for my $class (sort @weakVTableClasses) {
|
| - print "ERROR: class $class\n";
|
| - }
|
| - $sawError = 1;
|
| - }
|
| -
|
| - if (@weakExternalSymbols) {
|
| - print "ERROR: $shortName has a weak external symbol in it ($executablePath)\n";
|
| - print "ERROR: A weak external symbol is generated when a symbol is defined in multiple compilation units and is also marked as being exported from the library.\n";
|
| - print "ERROR: A common cause of weak external symbols is when an inline function is listed in the linker export file.\n";
|
| - for my $symbol (sort @weakExternalSymbols) {
|
| - print "ERROR: symbol $symbol\n";
|
| - }
|
| - $sawError = 1;
|
| - }
|
| -}
|
| -
|
| -if ($sawError and !$coverageBuild) {
|
| - unlink $executablePath;
|
| - exit 1;
|
| -}
|
| -
|
| -touch($buildTimestampPath);
|
| -
|
| -exit 0;
|
| -
|
| -sub touch($)
|
| -{
|
| - my ($path) = @_;
|
| - open(TOUCH, ">", $path) or die "$!";
|
| - close(TOUCH);
|
| -}
|
|
|