1 files changed, 82 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/android/gyp/generate_linker_version_script.py b/third_party/libwebrtc/build/android/gyp/generate_linker_version_script.py
new file mode 100755
index 0000000000..995fcd7b88
--- /dev/null
+++ b/third_party/libwebrtc/build/android/gyp/generate_linker_version_script.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+# Copyright 2018 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+"""Generate linker version scripts for Chrome on Android shared libraries."""
+
+import argparse
+import os
+
+from util import build_utils
+
+_SCRIPT_HEADER = """\
+# AUTO-GENERATED FILE.  DO NOT MODIFY.
+#
+# See: %s
+
+{
+  global:
+""" % os.path.relpath(__file__, build_utils.DIR_SOURCE_ROOT)
+
+_SCRIPT_FOOTER = """\
+  local:
+    *;
+};
+"""
+
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument(
+      '--output',
+      required=True,
+      help='Path to output linker version script file.')
+  parser.add_argument(
+      '--export-java-symbols',
+      action='store_true',
+      help='Export Java_* JNI methods')
+  parser.add_argument(
+      '--export-symbol-allowlist-file',
+      action='append',
+      default=[],
+      dest='allowlists',
+      help='Path to an input file containing an allowlist of extra symbols to '
+      'export, one symbol per line. Multiple files may be specified.')
+  parser.add_argument(
+      '--export-feature-registrations',
+      action='store_true',
+      help='Export JNI_OnLoad_* methods')
+  options = parser.parse_args()
+
+  # JNI_OnLoad is always exported.
+  # CrashpadHandlerMain() is the entry point to the Crashpad handler, required
+  # for libcrashpad_handler_trampoline.so.
+  symbol_list = ['CrashpadHandlerMain', 'JNI_OnLoad']
+
+  if options.export_java_symbols:
+    symbol_list.append('Java_*')
+
+  if options.export_feature_registrations:
+    symbol_list.append('JNI_OnLoad_*')
+
+  for allowlist in options.allowlists:
+    with open(allowlist, 'rt') as f:
+      for line in f:
+        line = line.strip()
+        if not line or line[0] == '#':
+          continue
+        symbol_list.append(line)
+
+  script_content = [_SCRIPT_HEADER]
+  for symbol in symbol_list:
+    script_content.append('    %s;\n' % symbol)
+  script_content.append(_SCRIPT_FOOTER)
+
+  script = ''.join(script_content)
+
+  with build_utils.AtomicOutput(options.output, mode='w') as f:
+    f.write(script)
+
+
+if __name__ == '__main__':
+  main()