blob: 4afcb1d7ac274f2801b607f791379ceffb17aee7 [file] [log] [blame]
# -*- coding: utf-8 -*-
# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file
__author__ = ''
Read *.debug files and create seperate files for each whitelist.
import os
import re
import sys
class Read_File:
This class should read the debug files from the platform_ToolchainOptions
tests and should list out all the whitelist files that are passing and not
needed anymore and write them into a file.
def __init__(self):
Accept a file name that we should parse.
self.tests = [{'name':'gold', 'match':'Test gold',},
{'name':'now', 'match':'Test -Wl,-z,now',},
{'name':'relro', 'match':'Test -Wl,-z,relro',},
{'name':'pie', 'match':'Test -fPIE',},
{'name':'stack', 'match':'Test Executable Stack',}]
def parse_file(self, current_file):
Read the contents and group them.
current_file: name of the file to be parsed.
parse = False
whitelist = None
f = open(current_file)
for line in f.readlines():
if not parse:
for item in self.tests:
if item['match'] in line:
whitelist = item
if 'New passes' in line:
parse = True
elif parse:
if re.match('\/', line):
pathname = line.strip()
whitelist.setdefault('files', {})
whitelist['files'].setdefault(pathname, 0)
whitelist['files'][pathname] += 1
parse = False
def write_to_file(self, current_path, number_of_files):
Create a file for each whitelist and write the lines into it.
current_path: Path to the directory containing the debug files.
number_of_files: The number of DEBUG files in the directory.
for wl in self.tests:
fpath = os.path.join(current_path, wl['name'])
fopen = open(fpath, 'w+')
for key, value in wl.items():
if ((key != 'name' or key != 'match') and
value == number_of_files) :
print ('The whitelist files to be removed are written in ' + fpath)
def main():
dir_path = sys.argv[1]
dir_path = raw_input('Please enter the complete path to the directory '
'containing all the ToolchainOptions output - \n')
dir_path = os.path.expanduser(dir_path)
if not os.path.isdir(dir_path):
raise RuntimeError('We need a directory with the ToolchainOptions '
'output files to continue.')
fread = Read_File()
file_count = 0
for current_file in os.listdir(dir_path):
file_path = os.path.join(dir_path, current_file)
if file_path.endswith('.DEBUG'):
file_count += 1
fread.write_to_file(dir_path, file_count)
if __name__ == '__main__':