ac3edd40af
An additional slide offset is exported into `shared-library`, which is used to symbolize C++ stack on systems with ASLR (OS X). This patch adds slide offset support in dumpcpp script. BUG=v8:5048 Review-Url: https://codereview.chromium.org/2006813002 Cr-Commit-Position: refs/heads/master@{#36574}
75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
#!/usr/bin/env python
|
|
# Copyright 2016 the V8 project 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 script executes dumpcpp.js, collects all dumped C++ symbols,
|
|
# and merges them back into v8 log.
|
|
|
|
import os
|
|
import platform
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
|
|
def is_file_executable(fPath):
|
|
return os.path.isfile(fPath) and os.access(fPath, os.X_OK)
|
|
|
|
if __name__ == '__main__':
|
|
JS_FILES = ['splaytree.js', 'codemap.js', 'csvparser.js', 'consarray.js',
|
|
'profile.js', 'logreader.js', 'tickprocessor.js', 'SourceMap.js',
|
|
'dumpcpp.js', 'dumpcpp-driver.js']
|
|
tools_path = os.path.dirname(os.path.realpath(__file__))
|
|
on_windows = platform.system() == 'Windows'
|
|
JS_FILES = [os.path.join(tools_path, f) for f in JS_FILES]
|
|
|
|
args = []
|
|
log_file = 'v8.log'
|
|
debug = False
|
|
for arg in sys.argv[1:]:
|
|
if arg == '--debug':
|
|
debug = True
|
|
continue
|
|
args.append(arg)
|
|
if not arg.startswith('-'):
|
|
log_file = arg
|
|
|
|
if on_windows:
|
|
args.append('--windows')
|
|
|
|
with open(log_file, 'r') as f:
|
|
lines = f.readlines()
|
|
|
|
d8_line = re.search(',\"(.*d8)', ''.join(lines))
|
|
if d8_line:
|
|
d8_exec = d8_line.group(1)
|
|
if not is_file_executable(d8_exec):
|
|
print 'd8 binary path found in {} is not executable.'.format(log_file)
|
|
sys.exit(-1)
|
|
else:
|
|
print 'No d8 binary path found in {}.'.format(log_file)
|
|
sys.exit(-1)
|
|
|
|
args = [d8_exec] + JS_FILES + ['--'] + args
|
|
|
|
with open(log_file) as f:
|
|
sp = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
|
|
stdin=f)
|
|
out, err = sp.communicate()
|
|
if debug:
|
|
print err
|
|
if sp.returncode != 0:
|
|
print out
|
|
exit(-1)
|
|
|
|
if on_windows and out:
|
|
out = re.sub('\r+\n', '\n', out)
|
|
|
|
is_written = not bool(out)
|
|
with open(log_file, 'w') as f:
|
|
for line in lines:
|
|
if not is_written and line.startswith('tick'):
|
|
f.write(out)
|
|
is_written = True
|
|
f.write(line)
|