check-static-initializers.sh 2.4 KB

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  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. # Checks that the number of compilation units having at least one static
  29. # initializer in d8 matches the one defined below.
  30. # Allow:
  31. # _GLOBAL__I_000101
  32. # _GLOBAL__sub_I_iostream.cpp
  33. # _GLOBAL__sub_I_d8.cc
  34. # The first two are needed to set up std::cin/cout/cerr before main() runs.
  35. # See https://crbug.com/1177324 for more.
  36. expected_static_init_count=3
  37. v8_root=$(readlink -f $(dirname $BASH_SOURCE)/../)
  38. if [ -n "$1" ] ; then
  39. d8="${v8_root}/$1"
  40. else
  41. d8="${v8_root}/d8"
  42. fi
  43. if [ ! -f "$d8" ]; then
  44. echo "d8 binary not found: $d8"
  45. exit 1
  46. fi
  47. static_inits=$(nm "$d8" | grep _GLOBAL_ | grep _I_ | awk '{ print $NF; }')
  48. static_init_count=$(echo "$static_inits" | wc -l)
  49. if [ $static_init_count -gt $expected_static_init_count ]; then
  50. echo "Too many static initializers."
  51. echo "$static_inits"
  52. exit 1
  53. else
  54. echo "Static initializer check passed ($static_init_count initializers)."
  55. exit 0
  56. fi