1 files changed, 47 insertions, 0 deletions
diff --git a/debuginfo-tests/dexter/dex/debugger/dbgeng/utils.py b/debuginfo-tests/dexter/dex/debugger/dbgeng/utils.py
new file mode 100644
index 00000000000..0c9197aa1c9
--- /dev/null
+++ b/debuginfo-tests/dexter/dex/debugger/dbgeng/utils.py
@@ -0,0 +1,47 @@
+# DExTer : Debugging Experience Tester
+# ~~~~~~   ~         ~~         ~   ~~
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+from ctypes import *
+
+# Error codes are negative when received by python, but are typically
+# represented by unsigned hex elsewhere. Subtract 2^32 from the unsigned
+# hex to produce negative error codes.
+E_NOINTERFACE = 0x80004002 - 0x100000000
+E_FAIL = 0x80004005 - 0x100000000
+E_EINVAL = 0x80070057 - 0x100000000
+E_INTERNALEXCEPTION = 0x80040205 - 0x100000000
+S_FALSE = 1
+
+# This doesn't fit into any convenient category
+DEBUG_ANY_ID = 0xFFFFFFFF
+
+class WinError(Exception):
+  def __init__(self, msg, hstatus):
+    self.hstatus = hstatus
+    super(WinError, self).__init__(msg)
+
+def aborter(res, msg, ignore=[]):
+  if res != 0 and res not in ignore:
+    # Convert a negative error code to a positive unsigned one, which is
+    # now NTSTATUSes appear in documentation.
+    if res < 0:
+      res += 0x100000000
+    msg = '{:08X} : {}'.format(res, msg)
+    raise WinError(msg, res)
+
+IID_Data4_Type = c_ubyte * 8
+
+class IID(Structure):
+  _fields_ = [
+      ("Data1", c_uint),
+      ("Data2", c_ushort),
+      ("Data3", c_ushort),
+      ("Data4", IID_Data4_Type)
+  ]
+
+c_ulong_p = POINTER(c_ulong)
+c_ulong64_p = POINTER(c_ulonglong)