Merge V8 5.2.361.47 DO NOT MERGE
https://chromium.googlesource.com/v8/v8/+/5.2.361.47
FPIIM-449
Change-Id: Ibec421b85a9b88cb3a432ada642e469fe7e78346
(cherry picked from commit bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8)
diff --git a/tools/dump-cpp.py b/tools/dump-cpp.py
new file mode 100644
index 0000000..b7bb32e
--- /dev/null
+++ b/tools/dump-cpp.py
@@ -0,0 +1,74 @@
+#!/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']
+ 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)