diff options
Diffstat (limited to 'build/linux/dump_signature.py')
-rwxr-xr-x | build/linux/dump_signature.py | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/build/linux/dump_signature.py b/build/linux/dump_signature.py deleted file mode 100755 index 37e50f4..0000000 --- a/build/linux/dump_signature.py +++ /dev/null @@ -1,56 +0,0 @@ -#!/usr/bin/python -# -# Copyright (c) 2010 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/src/common/linux/file_id.cc@461 - -import struct -import sys -import subprocess - -if len(sys.argv) != 2: - sys.stderr.write("Error, no filename specified.\n") - sys.exit(1) - -# Shell out to objdump to get the offset of the .text section -objdump = subprocess.Popen(['objdump', '-h', sys.argv[1]], stdout = subprocess.PIPE) -(sections, _) = objdump.communicate() -if objdump.returncode != 0: - sys.stderr.write('Failed to run objdump to find .text section.\n') - sys.exit(1) - -text_section = [x for x in sections.splitlines() if '.text' in x] -if len(text_section) == 0: - sys.stderr.write('objdump failed to find a .text section.\n') - sys.exit(1) -text_section = text_section[0] -try: - file_offset = int(text_section.split()[5], 16) -except ValueError: - sys.stderr.write("Failed to parse objdump output. Here is the failing line:\n"); - sys.stderr.write(text_section) - sys.exit(1) - -bin = open(sys.argv[1]) -bin.seek(file_offset) -if bin.tell() != file_offset: - sys.stderr.write("Failed to seek to the .text segment. Truncated file?\n"); - sys.exit(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) |