scripts/stack

#!/usr/bin/env python3
#
# Copyright (C) 2013 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""stack symbolizes native crash dumps."""

import argparse
import atexit
import glob
import sys
import tempfile
import zipfile

import stack_core
import symbol

def main():
  parser = argparse.ArgumentParser(description='Parse and symbolize crashes')
  parser.add_argument('--arch', help='the target architecture')
  group = parser.add_mutually_exclusive_group()
  group.add_argument('--symbols-dir', '--syms', '--symdir', help='the symbols directory')
  group.add_argument('--symbols-zip', help='the symbols.zip file from a build')
  parser.add_argument('-v', '--verbose', action='store_true', help="include function parameters")
  parser.add_argument('file',
                      metavar='FILE',
                      default='-',
                      nargs='?',  # Required for default.
                      help='should contain a stack trace in it somewhere the '
                           'tool will find that and re-print it with source '
                           'files and line numbers. If you don\'t pass FILE, '
                           'or if file is -, it reads from stdin.')

  args = parser.parse_args()
  if args.arch:
    symbol.ARCH_IS_32BIT = not "64" in args.arch
  if args.symbols_dir:
    symbol.SYMBOLS_DIR = args.symbols_dir
  if args.symbols_zip:
    tmp = tempfile.TemporaryDirectory()
    atexit.register(tmp.cleanup)
    with zipfile.ZipFile(args.symbols_zip) as zf:
      zf.extractall(tmp.name)
    symbol.SYMBOLS_DIR = glob.glob("%s/out/target/product/*/symbols" % tmp.name)[0]
  symbol.VERBOSE = args.verbose
  if args.file == '-':
    print("Reading native crash info from stdin")
    sys.stdin.reconfigure(errors='ignore')
    f = sys.stdin
  else:
    print("Searching for native crashes in %s" % args.file)
    f = open(args.file, "r", errors='ignore')

  lines = f.readlines()
  f.close()

  stack_core.ConvertTrace(lines)

if __name__ == "__main__":
  main()

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