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# Copyright 2018 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import os
import subprocess
from common import SDK_ROOT
from common import GetHostArchFromPlatform
from common import GetHostToolPathFromPlatform
def BuildIdsPaths(package_paths):
"""Generates build ids paths for symbolizer processes."""
return [
os.path.join(os.path.dirname(package_path), 'ids.txt')
for package_path in package_paths
]
def RunSymbolizer(input_fd, output_fd, ids_txt_paths):
"""Starts a symbolizer process.
input_fd: Input file to be symbolized.
output_fd: Output file for symbolizer stdout and stderr.
ids_txt_paths: Path to the ids.txt files which map build IDs to
unstripped binaries on the filesystem.
Returns a Popen object for the started process."""
symbolizer = GetHostToolPathFromPlatform('symbolizer')
symbolizer_cmd = [
symbolizer, '--omit-module-lines', '--build-id-dir',
os.path.join(SDK_ROOT, '.build-id')
]
for ids_txt in ids_txt_paths:
symbolizer_cmd.extend(['--ids-txt', ids_txt])
logging.debug('Running "%s".' % ' '.join(symbolizer_cmd))
return subprocess.Popen(symbolizer_cmd,
stdin=input_fd,
stdout=output_fd,
stderr=subprocess.STDOUT,
close_fds=True)
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