1 /*
2  * PROJECT:     ReactOS api tests
3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
4  * PURPOSE:     Test for x86 RtlUnwind
5  * COPYRIGHT:   Copyright 2024 Timo Kreuzer <timo.kreuzer@reactos.org>
6  */
7 
8 #include <rtltests.h>
9 
10 CONTEXT g_InContext;
11 CONTEXT g_OutContext;
12 
13 VOID
14 WINAPI
15 RtlUnwindWrapper(
16     _In_ PVOID TargetFrame,
17     _In_ PVOID TargetIp,
18     _In_ PEXCEPTION_RECORD ExceptionRecord,
19     _In_ PVOID ReturnValue);
20 
21 START_TEST(RtlUnwind)
22 {
23     BOOL IsWow64;
24 
25     RtlZeroMemory(&g_InContext, sizeof(g_InContext));
26     RtlZeroMemory(&g_OutContext, sizeof(g_OutContext));
27 
28     PEXCEPTION_REGISTRATION_RECORD ExcptReg = (PEXCEPTION_REGISTRATION_RECORD)__readfsdword(0);
29     ok(ExcptReg != NULL, "ExcpReg is NULL\n");
30 
31     g_InContext.Eax = 0xabcd0001;
32     g_InContext.Ebx = 0xabcd0002;
33     g_InContext.Ecx = 0xabcd0003;
34     g_InContext.Edx = 0xabcd0004;
35     g_InContext.Esi = 0xabcd0005;
36     g_InContext.Edi = 0xabcd0006;
37     RtlUnwindWrapper(ExcptReg, NULL, NULL, (PVOID)0x12345678);
38     ok_eq_hex(g_OutContext.Eax, 0x12345678ul);
39     ok_eq_hex(g_OutContext.Ebx, 0ul);
40     ok_eq_hex(g_OutContext.Ecx, 0ul);
41     ok_eq_hex(g_OutContext.Edx, 0ul);
42     ok_eq_hex(g_OutContext.Esi, 0ul);
43     ok_eq_hex(g_OutContext.Edi, 0ul);
44     if (IsWow64Process(NtCurrentProcess(), &IsWow64) && IsWow64)
45     {
46         ok_eq_hex(g_OutContext.SegCs, 0x23ul);
47         ok_eq_hex(g_OutContext.SegDs, 0x2bul);
48         ok_eq_hex(g_OutContext.SegEs, 0x2bul);
49         ok_eq_hex(g_OutContext.SegFs, 0x53ul);
50     }
51     else
52     {
53         ok_eq_hex(g_OutContext.SegCs, 0x1bul);
54         ok_eq_hex(g_OutContext.SegDs, 0x23ul);
55         ok_eq_hex(g_OutContext.SegEs, 0x23ul);
56         ok_eq_hex(g_OutContext.SegFs, 0x3bul);
57     }
58 }
59