109 lines
3.2 KiB
Python
Executable File
109 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2018 The Chromium Authors
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Generate linker version scripts for Chrome on Android shared libraries."""
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import argparse
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import os
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from util import build_utils
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import action_helpers # build_utils adds //build to sys.path.
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_SCRIPT_HEADER = """\
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# AUTO-GENERATED FILE. DO NOT MODIFY.
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#
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# See: %s
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{
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global:
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""" % os.path.relpath(__file__, build_utils.DIR_SOURCE_ROOT)
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_SCRIPT_FOOTER = """\
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local:
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*;
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};
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"""
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--output',
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required=True,
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help='Path to output linker version script file.')
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parser.add_argument(
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'--jni-multiplexing',
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action='store_true',
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help='Export only the JNI methods generated by multiplexing')
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parser.add_argument('--export-fortesting-java-symbols',
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action='store_true',
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help='Export Java_*_ForTesting JNI methods')
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parser.add_argument(
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'--export-symbol-allowlist-file',
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action='append',
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default=[],
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dest='allowlists',
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help='Path to an input file containing an allowlist of extra symbols to '
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'export, one symbol per line. Multiple files may be specified.')
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parser.add_argument(
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'--export-feature-registrations',
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action='store_true',
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help='Export JNI_OnLoad_* methods')
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options = parser.parse_args()
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# JNI_OnLoad is always exported.
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# CrashpadHandlerMain() is the entry point to the Crashpad handler, required
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# for libcrashpad_handler_trampoline.so.
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symbol_list = ['CrashpadHandlerMain', 'JNI_OnLoad']
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if options.jni_multiplexing:
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symbol_list.append('Java_*_resolve_1for_*')
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elif options.export_fortesting_java_symbols:
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symbol_list.append('Java_*')
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else:
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# The linker uses unix shell globbing patterns, not regex. So, we have to
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# include everything that doesn't end in "ForTest(ing)" with this set of
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# globs.
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symbol_list.append('Java_*[!F]orTesting')
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symbol_list.append('Java_*[!o]rTesting')
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symbol_list.append('Java_*[!r]Testing')
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symbol_list.append('Java_*[!T]esting')
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symbol_list.append('Java_*[!e]sting')
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symbol_list.append('Java_*[!s]ting')
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symbol_list.append('Java_*[!t]ing')
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symbol_list.append('Java_*[!i]ng')
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symbol_list.append('Java_*[!n]g')
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symbol_list.append('Java_*[!F]orTest')
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symbol_list.append('Java_*[!o]rTest')
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symbol_list.append('Java_*[!r]Test')
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symbol_list.append('Java_*[!T]est')
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symbol_list.append('Java_*[!e]st')
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symbol_list.append('Java_*[!s]t')
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symbol_list.append('Java_*[!gt]')
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if options.export_feature_registrations:
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symbol_list.append('JNI_OnLoad_*')
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for allowlist in options.allowlists:
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with open(allowlist, 'rt') as f:
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for line in f:
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line = line.strip()
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if not line or line[0] == '#':
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continue
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symbol_list.append(line)
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script_content = [_SCRIPT_HEADER]
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for symbol in symbol_list:
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script_content.append(' %s;\n' % symbol)
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script_content.append(_SCRIPT_FOOTER)
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script = ''.join(script_content)
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with action_helpers.atomic_output(options.output, mode='w') as f:
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f.write(script)
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if __name__ == '__main__':
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main()
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