Move v8/build into this repository.

Since we need to patch some files, we don't let depot_tools
manage these files anymore.

build.git commit a0b2e3b2708bcf81ec00ac1738b586bcc5e04eea

1 files changed, 43 insertions, 0 deletions

diff --git a/deps/v8/build/fuchsia/symbolizer.py b/deps/v8/build/fuchsia/symbolizer.py
new file mode 100644
index 0000000000..0b7c39e918
--- /dev/null
+++ b/deps/v8/build/fuchsia/symbolizer.py
@@ -0,0 +1,43 @@
+# Copyright 2018 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.
+
+import logging
+import os
+import subprocess
+
+from common import SDK_ROOT
+
+
+def SymbolizerFilter(input_fd, build_ids_files):
+  """Symbolizes an output stream from a process.
+
+  input_fd: A file descriptor of the stream to be symbolized.
+  build_ids_file: Path to the ids.txt file which maps build IDs to
+                  unstripped binaries on the filesystem.
+  Returns a generator that yields symbolized process output."""
+
+  llvm_symbolizer_path = os.path.join(SDK_ROOT, os.pardir, os.pardir,
+                                      'llvm-build', 'Release+Asserts', 'bin',
+                                      'llvm-symbolizer')
+  symbolizer = os.path.join(SDK_ROOT, 'tools', 'symbolize')
+  symbolizer_cmd = [symbolizer,
+                    '-ids-rel', '-llvm-symbolizer', llvm_symbolizer_path,
+                    '-build-id-dir', os.path.join(SDK_ROOT, '.build-id')]
+  for build_ids_file in build_ids_files:
+    symbolizer_cmd.extend(['-ids', build_ids_file])
+
+  logging.info('Running "%s".' % ' '.join(symbolizer_cmd))
+  symbolizer_proc = subprocess.Popen(
+      symbolizer_cmd,
+      stdout=subprocess.PIPE,
+      stdin=input_fd,
+      close_fds=True)
+
+  while True:
+    line = symbolizer_proc.stdout.readline()
+    if not line:
+      break
+    yield line
+
+  symbolizer_proc.wait()