Test

shared/Wow64.c

@@ -0,0 +1,45 @@
+#include "stdafx.h"
+#include "Wow64.h"
+
+typedef BOOL (WINAPI *_Wow64DisableWow64FsRedirection)(PVOID *OldValue);
+typedef BOOL (WINAPI *_Wow64RevertWow64FsRedirection)(PVOID OldValue);
+
+static BOOL _loadedWow64;
+static _Wow64DisableWow64FsRedirection $Wow64DisableWow64FsRedirection;
+static _Wow64RevertWow64FsRedirection $Wow64RevertWow64FsRedirection;
+
+#if _WIN64
+// Not needed
+#define DisableWow64FsRedirection(OldValue) TRUE
+#define RevertWow64FsRedirection(OldValue)  TRUE
+#else
+static void LoadWow64Symbols() {
+	if (!_loadedWow64) {
+		_loadedWow64 = TRUE;
+
+		HMODULE kernel32 = GetModuleHandle(L"kernel32.dll");
+		$Wow64DisableWow64FsRedirection = (_Wow64DisableWow64FsRedirection)GetProcAddress(kernel32, "Wow64DisableWow64FsRedirection");
+		$Wow64RevertWow64FsRedirection = (_Wow64RevertWow64FsRedirection)GetProcAddress(kernel32, "Wow64RevertWow64FsRedirection");
+	}
+}
+
+BOOL DisableWow64FsRedirection(PVOID *OldValue) {
+	LoadWow64Symbols();
+
+	if ($Wow64DisableWow64FsRedirection) {
+		return $Wow64DisableWow64FsRedirection(OldValue);
+	} else {
+		return TRUE;
+	}
+}
+
+BOOL RevertWow64FsRedirection(PVOID OldValue) {
+	LoadWow64Symbols();
+
+	if ($Wow64RevertWow64FsRedirection) {
+		return $Wow64RevertWow64FsRedirection(OldValue);
+	} else {
+		return TRUE;
+	}
+}
+#endif