| #!/bin/bash |
| # Copyright 2012 the V8 project authors. All rights reserved. |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * 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. |
| # * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| # OWNER OR 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. |
| |
| # Checks that the number of compilation units having at least one static |
| # initializer in d8 matches the one defined below. |
| # Note that the project must be built with SCons before running this script. |
| |
| # Allow: |
| # - _GLOBAL__I__ZN2v810LineEditor6first_E |
| # - _GLOBAL__I__ZN2v88internal32AtomicOps_Internalx86CPUFeaturesE |
| # - _GLOBAL__I__ZN2v88internal8ThreadId18highest_thread_id_E |
| expected_static_init_count=3 |
| |
| v8_root=$(readlink -f $(dirname $BASH_SOURCE)/../) |
| |
| if [ -n "$1" ] ; then |
| d8="${v8_root}/$1" |
| else |
| d8="${v8_root}/d8" |
| fi |
| |
| if [ ! -f "$d8" ]; then |
| echo "d8 binary not found: $d8" |
| exit 1 |
| fi |
| |
| static_inits=$(nm "$d8" | grep _GLOBAL_ | grep _I_ | awk '{ print $NF; }') |
| |
| static_init_count=$(echo "$static_inits" | wc -l) |
| |
| if [ $static_init_count -gt $expected_static_init_count ]; then |
| echo "Too many static initializers." |
| echo "$static_inits" |
| exit 1 |
| else |
| echo "Static initializer check passed ($static_init_count initializers)." |
| exit 0 |
| fi |
