| #!/usr/bin/python2.4 |
| # |
| # Copyright (c) 2009 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. |
| # |
| # This generates symbol signatures with the same algorithm as |
| # src/breakpad/linux/minidump_writer.cc@17081 |
| |
| import sys |
| import struct |
| |
| if len(sys.argv) != 2: |
| sys.stderr.write("Error, no filename specified.\n") |
| sys.exit(1) |
| |
| bin = open(sys.argv[1]) |
| data = bin.read(4096) |
| if len(data) != 4096: |
| sys.stderr.write("Error, did not read first page of data.\n"); |
| sys.exit(1) |
| bin.close() |
| |
| signature = [0] * 16 |
| for i in range(0, 4096): |
| signature[i % 16] ^= ord(data[i]) |
| |
| # Append a 0 at the end for the generation number (always 0 on Linux) |
| out = ('%08X%04X%04X%02X%02X%02X%02X%02X%02X%02X%02X0' % |
| struct.unpack('I2H8B', struct.pack('16B', *signature))) |
| sys.stdout.write(out) |
