blob: a0813979eee57cada9608b8e09200496b2bd6d58 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2015 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.
import argparse
import logging
import os
import re
import skypy.paths
import subprocess
import sys
SRC_ROOT = skypy.paths.Paths('ignored').src_root
ADB_PATH = os.path.join(SRC_ROOT,
# TODO(eseidel): This should be shared with adb_gdb
def main():
parser = argparse.ArgumentParser(
description='Pull all libraries used by a pid on android into a cache.')
parser.add_argument('cache_root', type=str)
parser.add_argument('pid', type=int)
args = parser.parse_args()
if not os.path.exists(args.cache_root):
subprocess.check_call([ADB_PATH, 'root'])
# TODO(eseidel): Check the build.props, or find some way to avoid
# re-pulling every library every time. adb_gdb has code to do this
# but doesn't seem to notice when the set of needed libraries changed.
library_regexp = re.compile(r'(?P<library_path>/system/.*\.so)')
cat_maps_cmd = [ADB_PATH, 'shell', 'cat', '/proc/%s/maps' %]
maps_lines = subprocess.check_output(cat_maps_cmd).strip().split('\n')
# adb shell doesn't return the return code from the shell?
if not maps_lines or 'No such file or directory' in maps_lines[0]:
print 'Failed to get maps for pid %s on device.' %
def library_from_line(line):
result =
if not result:
return None
dev_null = open(os.devnull, 'w') # Leaking.
to_pull = set(filter(None, map(library_from_line, maps_lines)))
to_pull.add('/system/bin/linker') # Unclear why but adb_gdb pulls this too.
for library_path in sorted(to_pull):
# Not using os.path.join since library_path is absolute.
dest_file = os.path.normpath("%s/%s" % (args.cache_root, library_path))
dest_dir = os.path.dirname(dest_file)
if not os.path.exists(dest_dir):
if os.path.exists(dest_file):
print '%s -> %s' % (library_path, dest_file)
pull_cmd = [ADB_PATH, 'pull', library_path, dest_file]
subprocess.check_call(pull_cmd, stderr=dev_null)
if __name__ == '__main__':