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Side by Side Diff: Tools/Scripts/check-for-exit-time-destructors

Issue 1253013003: Remove all perl scripts from Tools/Scripts (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Remove the python code to invoke Perl \o/ Created 5 years, 4 months ago
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1 #!/usr/bin/perl
2
3 # Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
4 #
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
7 # are met:
8 #
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
14 # 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15 # its contributors may be used to endorse or promote products derived
16 # from this software without specific prior written permission.
17 #
18 # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 # "check-for-exit-time-destructors" script for WebKit Open Source Project
30
31 # Intended to be invoked from an Xcode build step to check if there are
32 # any exit-time destructors in a target.
33
34 use warnings;
35 use strict;
36
37 use File::Basename;
38
39 sub touch($);
40 sub printFunctions($$);
41
42 my $arch = $ENV{'CURRENT_ARCH'};
43 my $configuration = $ENV{'CONFIGURATION'};
44 my $target = $ENV{'TARGET_NAME'};
45 my $variant = $ENV{'CURRENT_VARIANT'};
46 my $coverageBuild = $ENV{'WEBKIT_COVERAGE_BUILD'};
47 my $debugRoot = $ENV{'WEBKIT_DEBUG_ROOT'};
48
49 $arch = $ENV{'NATIVE_ARCH'} if !$arch; # for Xcode 2.1, which does not have CURR ENT_ARCH
50 $variant = "normal" if !$variant; # for Xcode 2.1, which does not have CURRENT_V ARIANT
51
52 my $executablePath = "$ENV{'TARGET_BUILD_DIR'}/$ENV{'EXECUTABLE_PATH'}";
53
54 my $buildTimestampPath = $ENV{'TARGET_TEMP_DIR'} . "/" . basename($0) . ".timest amp";
55 my $buildTimestampAge = -M $buildTimestampPath;
56 my $scriptAge = -M $0;
57
58 my $list = $ENV{"LINK_FILE_LIST_${variant}_${arch}"};
59
60 if (!open LIST, $list) {
61 print "ERROR: Could not open $list\n";
62 exit 1;
63 }
64
65 my @files = <LIST>;
66 chomp @files;
67 close LIST;
68
69 my $sawError = 0;
70
71 for my $file (sort @files) {
72 if (defined $buildTimestampAge && $buildTimestampAge < $scriptAge) {
73 my $fileAge = -M $file;
74 next if defined $fileAge && $fileAge > $buildTimestampAge;
75 }
76 if (!open NM, "(nm '$file' | sed 's/^/STDOUT:/') 2>&1 |") {
77 print "ERROR: Could not open $file\n";
78 $sawError = 1;
79 next;
80 }
81 my $sawAtExit = 0;
82 my $shortName = $file;
83 $shortName =~ s/.*\///;
84
85 while (<NM>) {
86 if (/^STDOUT:/) {
87 # With GC logging enabled Heap.o may contain finalizers, so we ignor e them.
88 $sawAtExit = 1 if (/___cxa_atexit/ && ($shortName ne "Heap.o"));
89 } else {
90 print STDERR if $_ ne "nm: no name list\n";
91 }
92 }
93 close NM;
94 next unless $sawAtExit;
95
96 $sawError = 1 if printFunctions($shortName, $file);
97 }
98
99 if ($sawError and !$coverageBuild) {
100 print "ERROR: Use DEFINE_STATIC_LOCAL from <wtf/StdLibExtras.h>\n";
101 unlink $executablePath;
102 exit 1;
103 }
104
105 touch($buildTimestampPath);
106 exit 0;
107
108 sub touch($)
109 {
110 my ($path) = @_;
111 open(TOUCH, ">", $path) or die "$!";
112 close(TOUCH);
113 }
114
115 sub demangle($)
116 {
117 my ($symbol) = @_;
118 if (!open FILT, "c++filt $symbol |") {
119 print "ERROR: Could not open c++filt\n";
120 return;
121 }
122 my $result = <FILT>;
123 close FILT;
124 chomp $result;
125 return $result;
126 }
127
128 sub printFunctions($$)
129 {
130 my ($shortName, $path) = @_;
131 if (!open OTOOL, "otool -tV '$path' |") {
132 print "WARNING: Could not open $path\n";
133 return 0;
134 }
135 my %functions;
136 my $currentSymbol = "";
137 while (<OTOOL>) {
138 $currentSymbol = $1 if /^(\w+):$/;
139 next unless $currentSymbol;
140 $functions{demangle($currentSymbol)} = 1 if /___cxa_atexit/;
141 }
142 close OTOOL;
143 my $result = 0;
144 for my $function (sort keys %functions) {
145 if (!$result) {
146 print "ERROR: $shortName has exit time destructors in it! ($path)\n" ;
147 $result = 1;
148 }
149 print "ERROR: In function $function\n";
150 }
151 return $result;
152 }
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