Dump C++ symbols and merge into v8 log.

tools/dump-cpp.py

+#!/usr/bin/env python
+#
+# Copyright 2016 the V8 project authors. All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+#       copyright notice, this list of conditions and the following
+#       disclaimer in the documentation and/or other materials provided
+#       with the distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# This script executes the tickprocessor, collects all dumped C++ symbols,
+# and merges them into v8.log.
+
+import os
+import platform
+import subprocess
+import sys
+
+if __name__ == '__main__':
+  tools_path = os.path.dirname(os.path.realpath(__file__))
+  log_file = 'v8.log'
+  args = [os.path.join(tools_path, 'linux-tick-processor'), '--dump-cpp']
+  for i in range(1, len(sys.argv)):
+    args.append(sys.argv[i])
+    if not sys.argv[i].startswith('-'):
+      log_file = sys.argv[i];
+
+  sp = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=None,
+    stdin=subprocess.PIPE)
+  out, _ = sp.communicate()
+  returncode = sp.returncode
+  if returncode != 0:
+    print out
+    exit(-1)
+
+  if platform.system() == 'Windows' and out:
+    out = re.sub('\r+\n', '\n', out)
+
+  with open(log_file, 'r') as f:
+    lines = f.readlines()
+
+  iswritten = False
+  with open(log_file, 'w+') as f:
+    for line in lines:
+      if not iswritten and line.startswith('tick'):
+        f.write(out)
+        iswritten = True
+      f.write(line)