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Unified Diff: build/win/syzygy/reorder.py

Issue 2129333002: Revert of Move the Syzygy scripts out of //chrome/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 5 months ago
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Index: build/win/syzygy/reorder.py
diff --git a/build/win/syzygy/reorder.py b/build/win/syzygy/reorder.py
deleted file mode 100755
index ba62cc770626b3eb2dfd39bb6d5a8d335ec42548..0000000000000000000000000000000000000000
--- a/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()))
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