1 files changed, 116 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/android/pylib/valgrind_tools.py b/third_party/libwebrtc/build/android/pylib/valgrind_tools.py
new file mode 100644
index 0000000000..fec71beaf7
--- /dev/null
+++ b/third_party/libwebrtc/build/android/pylib/valgrind_tools.py
@@ -0,0 +1,116 @@
+# Copyright (c) 2012 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.
+
+# pylint: disable=R0201
+
+
+
+
+import logging
+import sys
+
+from devil.android import device_errors
+from devil.android.valgrind_tools import base_tool
+
+
+def SetChromeTimeoutScale(device, scale):
+  """Sets the timeout scale in /data/local/tmp/chrome_timeout_scale to scale."""
+  path = '/data/local/tmp/chrome_timeout_scale'
+  if not scale or scale == 1.0:
+    # Delete if scale is None/0.0/1.0 since the default timeout scale is 1.0
+    device.RemovePath(path, force=True, as_root=True)
+  else:
+    device.WriteFile(path, '%f' % scale, as_root=True)
+
+
+
+class AddressSanitizerTool(base_tool.BaseTool):
+  """AddressSanitizer tool."""
+
+  WRAPPER_NAME = '/system/bin/asanwrapper'
+  # Disable memcmp overlap check.There are blobs (gl drivers)
+  # on some android devices that use memcmp on overlapping regions,
+  # nothing we can do about that.
+  EXTRA_OPTIONS = 'strict_memcmp=0,use_sigaltstack=1'
+
+  def __init__(self, device):
+    super(AddressSanitizerTool, self).__init__()
+    self._device = device
+
+  @classmethod
+  def CopyFiles(cls, device):
+    """Copies ASan tools to the device."""
+    del device
+
+  def GetTestWrapper(self):
+    return AddressSanitizerTool.WRAPPER_NAME
+
+  def GetUtilWrapper(self):
+    """Returns the wrapper for utilities, such as forwarder.
+
+    AddressSanitizer wrapper must be added to all instrumented binaries,
+    including forwarder and the like. This can be removed if such binaries
+    were built without instrumentation. """
+    return self.GetTestWrapper()
+
+  def SetupEnvironment(self):
+    try:
+      self._device.EnableRoot()
+    except device_errors.CommandFailedError as e:
+      # Try to set the timeout scale anyway.
+      # TODO(jbudorick) Handle this exception appropriately after interface
+      #                 conversions are finished.
+      logging.error(str(e))
+    SetChromeTimeoutScale(self._device, self.GetTimeoutScale())
+
+  def CleanUpEnvironment(self):
+    SetChromeTimeoutScale(self._device, None)
+
+  def GetTimeoutScale(self):
+    # Very slow startup.
+    return 20.0
+
+
+TOOL_REGISTRY = {
+    'asan': AddressSanitizerTool,
+}
+
+
+def CreateTool(tool_name, device):
+  """Creates a tool with the specified tool name.
+
+  Args:
+    tool_name: Name of the tool to create.
+    device: A DeviceUtils instance.
+  Returns:
+    A tool for the specified tool_name.
+  """
+  if not tool_name:
+    return base_tool.BaseTool()
+
+  ctor = TOOL_REGISTRY.get(tool_name)
+  if ctor:
+    return ctor(device)
+  else:
+    print('Unknown tool %s, available tools: %s' % (tool_name, ', '.join(
+        sorted(TOOL_REGISTRY.keys()))))
+    sys.exit(1)
+
+def PushFilesForTool(tool_name, device):
+  """Pushes the files required for |tool_name| to |device|.
+
+  Args:
+    tool_name: Name of the tool to create.
+    device: A DeviceUtils instance.
+  """
+  if not tool_name:
+    return
+
+  clazz = TOOL_REGISTRY.get(tool_name)
+  if clazz:
+    clazz.CopyFiles(device)
+  else:
+    print('Unknown tool %s, available tools: %s' % (tool_name, ', '.join(
+        sorted(TOOL_REGISTRY.keys()))))
+    sys.exit(1)