huwcampbell.com
Reactos
1/*
2 * PROJECT: ReactOS kernel-mode tests
3 * LICENSE: LGPL-2.1+ (https://spdx.org/licenses/LGPL-2.1+)
4 * PURPOSE: Kernel-Mode Test Suite Struct alignment tests
5 * COPYRIGHT: Copyright 2018 Mark Jansen (mark.jansen@reactos.org)
6 */
7
8#include <kmt_test.h>
9
10// When searching for the correct offset,
11// this will generate a compile-time error including the offset:
12// char (*__kaboom1)[FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.EaLength)] = 1;
13// Taken from https://stackoverflow.com/a/35261673
14
15#if !defined(_AMD64_)
16
17C_ASSERT(sizeof(IO_STACK_LOCATION) == 36);
18
19C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, MajorFunction) == 0);
20C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, MinorFunction) == 1);
21C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Flags) == 2);
22C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Control) == 3);
23
24C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.SecurityContext) == 4);
25C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.Options) == 8);
26C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.FileAttributes) == 12);
27C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.ShareAccess) == 14);
28C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.EaLength) == 16);
29
30C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.ReadWriteConfig.WhichSpace) == 4);
31C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.ReadWriteConfig.Buffer) == 8);
32C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.ReadWriteConfig.Offset) == 12);
33C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.ReadWriteConfig.Length) == 16);
34
35C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.Length) == 4);
36C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.FileInformationClass) == 8);
37C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.FileObject) == 12);
38C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.ReplaceIfExists) == 16);
39C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.AdvanceOnly) == 17);
40C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.ClusterCount) == 16);
41C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.DeleteHandle) == 16);
42
43#else
44
45C_ASSERT(sizeof(IO_STACK_LOCATION) == 72);
46
47C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, MajorFunction) == 0);
48C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, MinorFunction) == 1);
49C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Flags) == 2);
50C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Control) == 3);
51
52C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.SecurityContext) == 8);
53C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.Options) == 16);
54C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.FileAttributes) == 24);
55C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.ShareAccess) == 26);
56C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.Create.EaLength) == 32);
57
58C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.ReadWriteConfig.WhichSpace) == 8);
59C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.ReadWriteConfig.Buffer) == 16);
60C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.ReadWriteConfig.Offset) == 24);
61C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.ReadWriteConfig.Length) == 32);
62
63C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.Length) == 8);
64C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.FileInformationClass) == 16);
65C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.FileObject) == 24);
66C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.ReplaceIfExists) == 32);
67C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.AdvanceOnly) == 33);
68C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.ClusterCount) == 32);
69C_ASSERT(FIELD_OFFSET(IO_STACK_LOCATION, Parameters.SetFile.DeleteHandle) == 32);
70
71#endif