mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 08:16:09 +03:00
79 lines
2.4 KiB
Python
Executable File
79 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# Copyright 2014 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.
|
|
|
|
"""Simple mock for addr2line.
|
|
|
|
Outputs mock symbol information, with each symbol being a function of the
|
|
original address (so it is easy to double-check consistency in unittests).
|
|
"""
|
|
|
|
import optparse
|
|
import os
|
|
import posixpath
|
|
import sys
|
|
import time
|
|
|
|
|
|
def main(argv):
|
|
parser = optparse.OptionParser()
|
|
parser.add_option('-e', '--exe', dest='exe') # Path of the debug-library.so.
|
|
# Silently swallow the other unnecessary arguments.
|
|
parser.add_option('-C', '--demangle', action='store_true')
|
|
parser.add_option('-f', '--functions', action='store_true')
|
|
parser.add_option('-i', '--inlines', action='store_true')
|
|
options, _ = parser.parse_args(argv[1:])
|
|
lib_file_name = posixpath.basename(options.exe)
|
|
processed_sym_count = 0
|
|
crash_every = int(os.environ.get('MOCK_A2L_CRASH_EVERY', 0))
|
|
hang_every = int(os.environ.get('MOCK_A2L_HANG_EVERY', 0))
|
|
|
|
while(True):
|
|
line = sys.stdin.readline().rstrip('\r')
|
|
if not line:
|
|
break
|
|
|
|
# An empty line should generate '??,??:0' (is used as marker for inlines).
|
|
if line == '\n':
|
|
print '??'
|
|
print '??:0'
|
|
sys.stdout.flush()
|
|
continue
|
|
|
|
addr = int(line, 16)
|
|
processed_sym_count += 1
|
|
if crash_every and processed_sym_count % crash_every == 0:
|
|
sys.exit(1)
|
|
if hang_every and processed_sym_count % hang_every == 0:
|
|
time.sleep(1)
|
|
|
|
# Addresses < 1M will return good mock symbol information.
|
|
if addr < 1024 * 1024:
|
|
print 'mock_sym_for_addr_%d' % addr
|
|
print 'mock_src/%s.c:%d' % (lib_file_name, addr)
|
|
|
|
# Addresses 1M <= x < 2M will return symbols with a name but a missing path.
|
|
elif addr < 2 * 1024 * 1024:
|
|
print 'mock_sym_for_addr_%d' % addr
|
|
print '??:0'
|
|
|
|
# Addresses 2M <= x < 3M will return unknown symbol information.
|
|
elif addr < 3 * 1024 * 1024:
|
|
print '??'
|
|
print '??'
|
|
|
|
# Addresses 3M <= x < 4M will return inlines.
|
|
elif addr < 4 * 1024 * 1024:
|
|
print 'mock_sym_for_addr_%d_inner' % addr
|
|
print 'mock_src/%s.c:%d' % (lib_file_name, addr)
|
|
print 'mock_sym_for_addr_%d_middle' % addr
|
|
print 'mock_src/%s.c:%d' % (lib_file_name, addr)
|
|
print 'mock_sym_for_addr_%d_outer' % addr
|
|
print 'mock_src/%s.c:%d' % (lib_file_name, addr)
|
|
|
|
sys.stdout.flush()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main(sys.argv) |