Index: chrome/tools/build/win/syzygy/reorder.py |
diff --git a/chrome/tools/build/win/syzygy/reorder.py b/chrome/tools/build/win/syzygy/reorder.py |
deleted file mode 100755 |
index 8cdd6d7ce6e572b8a6575cc4f22d9378c22ce1a0..0000000000000000000000000000000000000000 |
--- a/chrome/tools/build/win/syzygy/reorder.py |
+++ /dev/null |
@@ -1,111 +0,0 @@ |
-#!/usr/bin/env python |
-# Copyright (c) 2012 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. |
- |
-"""A utility script to help building Syzygy-reordered Chrome binaries.""" |
- |
-import logging |
-import optparse |
-import os |
-import subprocess |
-import sys |
- |
- |
-# The default relink executable to use to reorder binaries. |
-_DEFAULT_RELINKER = os.path.join( |
- os.path.join(os.path.dirname(__file__), '../../../../..'), |
- 'third_party/syzygy/binaries/exe/relink.exe') |
- |
-_LOGGER = logging.getLogger() |
- |
-# We use the same seed for all random reorderings to get a deterministic build. |
-_RANDOM_SEED = 1347344 |
- |
- |
-def _Shell(*cmd, **kw): |
- """Shells out to "cmd". Returns a tuple of cmd's stdout, stderr.""" |
- _LOGGER.info('Running command "%s".', cmd) |
- prog = subprocess.Popen(cmd, **kw) |
- |
- stdout, stderr = prog.communicate() |
- if prog.returncode != 0: |
- raise RuntimeError('Command "%s" returned %d.' % (cmd, prog.returncode)) |
- |
- return stdout, stderr |
- |
- |
-def _ReorderBinary(relink_exe, executable, symbol, destination_dir): |
- """Reorders the executable found in input_dir, and writes the resultant |
- reordered executable and symbol files to destination_dir. |
- |
- If a file named <executable>-order.json exists, imposes that order on the |
- output binaries, otherwise orders them randomly. |
- """ |
- cmd = [relink_exe, |
- '--overwrite', |
- '--input-image=%s' % executable, |
- '--input-pdb=%s' % symbol, |
- '--output-image=%s' % os.path.abspath( |
- os.path.join(destination_dir, os.path.basename(executable))), |
- '--output-pdb=%s' % os.path.abspath( |
- os.path.join(destination_dir, os.path.basename(symbol))),] |
- |
- # Check whether there's an order file available for the executable. |
- order_file = '%s-order.json' % executable |
- if os.path.exists(order_file): |
- # The ordering file exists, let's use that. |
- _LOGGER.info('Reordering "%s" according to "%s".', |
- os.path.basename(executable), |
- os.path.basename(order_file)) |
- cmd.append('--order-file=%s' % order_file) |
- else: |
- # No ordering file, we randomize the output. |
- _LOGGER.info('Randomly reordering "%s"', executable) |
- cmd.append('--seed=%d' % _RANDOM_SEED) |
- |
- return _Shell(*cmd) |
- |
- |
-def main(options): |
- logging.basicConfig(level=logging.INFO) |
- |
- # Make sure the destination directory exists. |
- if not os.path.isdir(options.destination_dir): |
- _LOGGER.info('Creating destination directory "%s".', |
- options.destination_dir) |
- os.makedirs(options.destination_dir) |
- |
- # Reorder the binaries into the destination directory. |
- _ReorderBinary(options.relinker, |
- options.input_executable, |
- options.input_symbol, |
- options.destination_dir) |
- |
- |
-def _ParseOptions(): |
- option_parser = optparse.OptionParser() |
- option_parser.add_option('--input_executable', |
- help='The path to the input executable.') |
- option_parser.add_option('--input_symbol', |
- help='The path to the input symbol file.') |
- option_parser.add_option('--relinker', default=_DEFAULT_RELINKER, |
- help='Relinker exectuable to use, defaults to "%s"' % _DEFAULT_RELINKER) |
- option_parser.add_option('-d', '--destination_dir', |
- help='Destination directory for reordered files, defaults to ' |
- 'the subdirectory "reordered" in the output_dir.') |
- options, args = option_parser.parse_args() |
- |
- if not options.input_executable: |
- option_parser.error('You must provide an input executable.') |
- if not options.input_symbol: |
- option_parser.error('You must provide an input symbol file.') |
- |
- if not options.destination_dir: |
- options.destination_dir = os.path.join(options.output_dir, 'reordered') |
- |
- return options |
- |
- |
-if '__main__' == __name__: |
- sys.exit(main(_ParseOptions())) |