1# DExTer : Debugging Experience Tester
2# ~~~~~~   ~         ~~         ~   ~~
3#
4# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5# See https://llvm.org/LICENSE.txt for license information.
6# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7
8from ctypes import *
9
10# Error codes are negative when received by python, but are typically
11# represented by unsigned hex elsewhere. Subtract 2^32 from the unsigned
12# hex to produce negative error codes.
13E_NOINTERFACE = 0x80004002 - 0x100000000
14E_FAIL = 0x80004005 - 0x100000000
15E_EINVAL = 0x80070057 - 0x100000000
16E_INTERNALEXCEPTION = 0x80040205 - 0x100000000
17S_FALSE = 1
18
19# This doesn't fit into any convenient category
20DEBUG_ANY_ID = 0xFFFFFFFF
21
22class WinError(Exception):
23  def __init__(self, msg, hstatus):
24    self.hstatus = hstatus
25    super(WinError, self).__init__(msg)
26
27def aborter(res, msg, ignore=[]):
28  if res != 0 and res not in ignore:
29    # Convert a negative error code to a positive unsigned one, which is
30    # now NTSTATUSes appear in documentation.
31    if res < 0:
32      res += 0x100000000
33    msg = '{:08X} : {}'.format(res, msg)
34    raise WinError(msg, res)
35
36IID_Data4_Type = c_ubyte * 8
37
38class IID(Structure):
39  _fields_ = [
40      ("Data1", c_uint),
41      ("Data2", c_ushort),
42      ("Data3", c_ushort),
43      ("Data4", IID_Data4_Type)
44  ]
45
46c_ulong_p = POINTER(c_ulong)
47c_ulong64_p = POINTER(c_ulonglong)
48