1 #!/bin/bash 2 # Copyright 2012 the V8 project authors. All rights reserved. 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions are 5 # met: 6 # 7 # * Redistributions of source code must retain the above copyright 8 # notice, this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above 10 # copyright notice, this list of conditions and the following 11 # disclaimer in the documentation and/or other materials provided 12 # with the distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived 15 # from this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 # Checks that the number of compilation units having at least one static 30 # initializer in d8 matches the one defined below. 31 32 # Allow: 33 # - _GLOBAL__I__ZN2v810LineEditor6first_E 34 # - _GLOBAL__I__ZN2v88internal32AtomicOps_Internalx86CPUFeaturesE 35 # - _GLOBAL__I__ZN2v88internal8ThreadId18highest_thread_id_E 36 expected_static_init_count=3 37 38 v8_root=$(readlink -f $(dirname $BASH_SOURCE)/../) 39 40 if [ -n "$1" ] ; then 41 d8="${v8_root}/$1" 42 else 43 d8="${v8_root}/d8" 44 fi 45 46 if [ ! -f "$d8" ]; then 47 echo "d8 binary not found: $d8" 48 exit 1 49 fi 50 51 static_inits=$(nm "$d8" | grep _GLOBAL_ | grep _I_ | awk '{ print $NF; }') 52 53 static_init_count=$(echo "$static_inits" | wc -l) 54 55 if [ $static_init_count -gt $expected_static_init_count ]; then 56 echo "Too many static initializers." 57 echo "$static_inits" 58 exit 1 59 else 60 echo "Static initializer check passed ($static_init_count initializers)." 61 exit 0 62 fi 63
