gecko-dev/servo/etc/ci/check_dynamic_symbols.py

40 строки
1.3 KiB
Python

# Copyright 2013 The Servo Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
from __future__ import absolute_import, print_function
import os
import re
import subprocess
import sys
symbol_regex = re.compile(b"D \*UND\*\t(.*) (.*)$")
allowed_symbols = frozenset([b'unshare', b'malloc_usable_size', b'__cxa_type_match'])
actual_symbols = set()
objdump_output = subprocess.check_output([
os.path.join(
os.environ['ANDROID_NDK'], 'toolchains', 'arm-linux-androideabi-4.9',
'prebuilt', 'linux-x86_64', 'bin', 'arm-linux-androideabi-objdump'),
'-T',
'target/arm-linux-androideabi/debug/libservo.so']
).split(b'\n')
for line in objdump_output:
m = symbol_regex.search(line)
if m is not None:
actual_symbols.add(m.group(2))
difference = actual_symbols - allowed_symbols
if len(difference) > 0:
human_readable_difference = "\n".join(str(s) for s in difference)
print("Unexpected dynamic symbols in binary:\n{0}".format(human_readable_difference))
sys.exit(-1)