1 files changed, 127 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/win/copy_cdb_to_output.py b/third_party/libwebrtc/build/win/copy_cdb_to_output.py
new file mode 100755
index 0000000000..a0b99bb776
--- /dev/null
+++ b/third_party/libwebrtc/build/win/copy_cdb_to_output.py
@@ -0,0 +1,127 @@
+#!/usr/bin/env python
+# Copyright 2016 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.
+
+from __future__ import print_function
+
+import glob
+import hashlib
+import os
+import shutil
+import sys
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+src_build_dir = os.path.abspath(os.path.join(script_dir, os.pardir))
+sys.path.insert(0, src_build_dir)
+
+import vs_toolchain
+
+
+def _HexDigest(file_name):
+  hasher = hashlib.sha256()
+  afile = open(file_name, 'rb')
+  blocksize = 65536
+  buf = afile.read(blocksize)
+  while len(buf) > 0:
+    hasher.update(buf)
+    buf = afile.read(blocksize)
+  afile.close()
+  return hasher.hexdigest()
+
+
+def _CopyImpl(file_name, target_dir, source_dir, verbose=False):
+  """Copy |source| to |target| if it doesn't already exist or if it
+  needs to be updated.
+  """
+  target = os.path.join(target_dir, file_name)
+  source = os.path.join(source_dir, file_name)
+  if (os.path.isdir(os.path.dirname(target)) and
+      ((not os.path.isfile(target)) or
+       _HexDigest(source) != _HexDigest(target))):
+    if verbose:
+      print('Copying %s to %s...' % (source, target))
+    if os.path.exists(target):
+      os.unlink(target)
+    shutil.copy(source, target)
+
+
+def _ConditionalMkdir(output_dir):
+  if not os.path.isdir(output_dir):
+    os.makedirs(output_dir)
+
+
+def _CopyCDBToOutput(output_dir, target_arch):
+  """Copies the Windows debugging executable cdb.exe to the output
+  directory, which is created if it does not exist. The output
+  directory, and target architecture that should be copied, are
+  passed. Supported values for the target architecture are the GYP
+  values "ia32", "x64", "arm64" and the GN values "x86", "x64", "arm64".
+  """
+  _ConditionalMkdir(output_dir)
+  vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
+  # If WINDOWSSDKDIR is not set use the default SDK path. This will be the case
+  # when DEPOT_TOOLS_WIN_TOOLCHAIN=0 and vcvarsall.bat has not been run.
+  win_sdk_dir = os.path.normpath(
+      os.environ.get('WINDOWSSDKDIR',
+                     os.path.expandvars('%ProgramFiles(x86)%'
+                                        '\\Windows Kits\\10')))
+  if target_arch == 'ia32' or target_arch == 'x86':
+    src_arch = 'x86'
+  elif target_arch in ['x64', 'arm64']:
+    src_arch = target_arch
+  else:
+    print('copy_cdb_to_output.py: unknown target_arch %s' % target_arch)
+    sys.exit(1)
+  # We need to copy multiple files, so cache the computed source directory.
+  src_dir = os.path.join(win_sdk_dir, 'Debuggers', src_arch)
+  # We need to copy some helper DLLs to get access to the !uniqstack
+  # command to dump all threads' stacks.
+  src_winext_dir = os.path.join(src_dir, 'winext')
+  dst_winext_dir = os.path.join(output_dir, 'winext')
+  src_winxp_dir = os.path.join(src_dir, 'winxp')
+  dst_winxp_dir = os.path.join(output_dir, 'winxp')
+  # Starting with the 10.0.17763 SDK the ucrt files are in a version-named
+  # directory - this handles both cases.
+  redist_dir = os.path.join(win_sdk_dir, 'Redist')
+  version_dirs = glob.glob(os.path.join(redist_dir, '10.*'))
+  if len(version_dirs) > 0:
+    version_dirs.sort(reverse=True)
+    redist_dir = version_dirs[0]
+  src_crt_dir = os.path.join(redist_dir, 'ucrt', 'DLLs', src_arch)
+  _ConditionalMkdir(dst_winext_dir)
+  _ConditionalMkdir(dst_winxp_dir)
+  # Note that the outputs from the "copy_cdb_to_output" target need to
+  # be kept in sync with this list.
+  _CopyImpl('cdb.exe', output_dir, src_dir)
+  _CopyImpl('dbgeng.dll', output_dir, src_dir)
+  _CopyImpl('dbghelp.dll', output_dir, src_dir)
+  _CopyImpl('dbgmodel.dll', output_dir, src_dir)
+  _CopyImpl('ext.dll', dst_winext_dir, src_winext_dir)
+  _CopyImpl('uext.dll', dst_winext_dir, src_winext_dir)
+  _CopyImpl('exts.dll', dst_winxp_dir, src_winxp_dir)
+  _CopyImpl('ntsdexts.dll', dst_winxp_dir, src_winxp_dir)
+  if src_arch in ['x64', 'x86']:
+    # Copy all UCRT files from the debuggers directory, for compatibility with
+    # the Windows 10 18362 SDK (one UCRT file) and later versions (two UCRT
+    # files). The new file is api-ms-win-downlevel-kernel32-l2-1-0.dll and
+    # should be added to the copy_cdb_to_output outputs when we require a newer
+    # SDK.
+    for file in glob.glob(os.path.join(src_dir, 'api-ms-win*.dll')):
+      _CopyImpl(os.path.split(file)[1], output_dir, src_dir)
+    _CopyImpl('ucrtbase.dll', output_dir, src_crt_dir)
+  for dll_path in glob.glob(os.path.join(src_crt_dir, 'api-ms-win-*.dll')):
+    _CopyImpl(os.path.split(dll_path)[1], output_dir, src_crt_dir)
+  return 0
+
+
+def main():
+  if len(sys.argv) < 2:
+    print('Usage: copy_cdb_to_output.py <output_dir> ' + \
+        '<target_arch>', file=sys.stderr)
+    return 1
+  return _CopyCDBToOutput(sys.argv[1], sys.argv[2])
+
+
+if __name__ == '__main__':
+  sys.exit(main())