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      1 #!/usr/bin/env python
      2 #
      3 # Copyright (C) 2013 The Android Open Source Project
      4 #
      5 # Licensed under the Apache License, Version 2.0 (the "License");
      6 # you may not use this file except in compliance with the License.
      7 # You may obtain a copy of the License at
      8 #
      9 #      http://www.apache.org/licenses/LICENSE-2.0
     10 #
     11 # Unless required by applicable law or agreed to in writing, software
     12 # distributed under the License is distributed on an "AS IS" BASIS,
     13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 # See the License for the specific language governing permissions and
     15 # limitations under the License.
     16 
     17 """stack symbolizes native crash dumps."""
     18 
     19 import getopt
     20 import sys
     21 
     22 import stack_core
     23 import symbol
     24 
     25 
     26 def PrintUsage():
     27   """Print usage and exit with error."""
     28   # pylint: disable-msg=C6310
     29   print
     30   print "  usage: " + sys.argv[0] + " [options] [FILE]"
     31   print
     32   print "  --arch=arm|x86"
     33   print "       the target architecture"
     34   print
     35   print "  FILE should contain a stack trace in it somewhere"
     36   print "       the tool will find that and re-print it with"
     37   print "       source files and line numbers.  If you don't"
     38   print "       pass FILE, or if file is -, it reads from"
     39   print "       stdin."
     40   print
     41   # pylint: enable-msg=C6310
     42   sys.exit(1)
     43 
     44 
     45 def main():
     46   try:
     47     options, arguments = getopt.getopt(sys.argv[1:], "",
     48                                        ["arch=",
     49                                         "help"])
     50   except getopt.GetoptError, unused_error:
     51     PrintUsage()
     52 
     53   for option, value in options:
     54     if option == "--help":
     55       PrintUsage()
     56     elif option == "--arch":
     57       symbol.ARCH = value
     58 
     59   if len(arguments) > 1:
     60     PrintUsage()
     61 
     62   if not arguments or arguments[0] == "-":
     63     print "Reading native crash info from stdin"
     64     f = sys.stdin
     65   else:
     66     print "Searching for native crashes in %s" % arguments[0]
     67     f = open(arguments[0], "r")
     68 
     69   lines = f.readlines()
     70   f.close()
     71 
     72   print "Reading symbols from", symbol.SYMBOLS_DIR
     73   stack_core.ConvertTrace(lines)
     74 
     75 if __name__ == "__main__":
     76   main()
     77 
     78 # vi: ts=2 sw=2
     79