ntdll: Define NtCurrentTeb64() on 64-bit to avoid some #ifdefs.

dlls/ntdll/directory.c

@@ -46,13 +46,9 @@
  */
 NTSTATUS WINAPI RtlWow64EnableFsRedirection( BOOLEAN enable )
 {
-#ifdef _WIN64
-     return STATUS_NOT_IMPLEMENTED;
-#else
     if (!NtCurrentTeb64()) return STATUS_NOT_IMPLEMENTED;
     NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = !enable;
     return STATUS_SUCCESS;
-#endif
 }
 
 
@@ -61,9 +57,6 @@ NTSTATUS WINAPI RtlWow64EnableFsRedirection( BOOLEAN enable )
  */
 NTSTATUS WINAPI RtlWow64EnableFsRedirectionEx( ULONG disable, ULONG *old_value )
 {
-#ifdef _WIN64
-     return STATUS_NOT_IMPLEMENTED;
-#else
     if (!NtCurrentTeb64()) return STATUS_NOT_IMPLEMENTED;
 
     __TRY
@@ -78,7 +71,6 @@ NTSTATUS WINAPI RtlWow64EnableFsRedirectionEx( ULONG disable, ULONG *old_value )
 
     NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = disable;
     return STATUS_SUCCESS;
-#endif
 }
 
 

dlls/ntdll/env.c

@@ -73,15 +73,12 @@ static void set_wow64_environment( WCHAR **env )
             RtlSetEnvironmentVariable( env, &arch6432_strW, NULL );
         }
     }
-    else if (!RtlQueryEnvironmentVariable_U( *env, &arch_strW, &valW ))
-    {
-        if (is_wow64)
+    else if (NtCurrentTeb64() && !RtlQueryEnvironmentVariable_U( *env, &arch_strW, &valW ))
     {
         RtlSetEnvironmentVariable( env, &arch6432_strW, &valW );
         RtlInitUnicodeString( &nameW, L"x86" );
         RtlSetEnvironmentVariable( env, &arch_strW, &nameW );
     }
-    }
 
     /* set the ProgramFiles variables */
 

dlls/ntdll/loader.c

@@ -69,7 +69,6 @@ const WCHAR system_dir[] = L"C:\\windows\\system32\\";
 const WCHAR syswow64_dir[] = L"C:\\windows\\syswow64\\";
 
 HMODULE kernel32_handle = 0;
-BOOL is_wow64 = FALSE;
 
 /* system search path */
 static const WCHAR system_path[] = L"C:\\windows\\system32;C:\\windows\\system;C:\\windows";
@@ -2704,7 +2703,7 @@ static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname, con
     }
 
     /* Win 7/2008R2 and up seem to re-enable WoW64 FS redirection when loading libraries */
-    if (is_wow64) RtlWow64EnableFsRedirectionEx( 0, &wow64_old_value );
+    RtlWow64EnableFsRedirectionEx( 0, &wow64_old_value );
 
     nt_name->Buffer = NULL;
 
@@ -4048,10 +4047,6 @@ static NTSTATUS process_init(void)
     InitializeListHead( &ldr.InMemoryOrderModuleList );
     InitializeListHead( &ldr.InInitializationOrderModuleList );
 
-#ifndef _WIN64
-    is_wow64 = !!NtCurrentTeb64();
-#endif
-
     init_user_process_params();
     load_global_options();
     version_init();

dlls/ntdll/ntdll_misc.h

@@ -64,9 +64,6 @@ extern void heap_set_debug_flags( HANDLE handle ) DECLSPEC_HIDDEN;
 extern void init_user_process_params(void) DECLSPEC_HIDDEN;
 extern void CDECL DECLSPEC_NORETURN signal_start_thread( CONTEXT *ctx ) DECLSPEC_HIDDEN;
 
-/* server support */
-extern BOOL is_wow64 DECLSPEC_HIDDEN;
-
 /* module handling */
 extern LIST_ENTRY tls_links DECLSPEC_HIDDEN;
 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
@@ -90,7 +87,9 @@ extern int CDECL NTDLL__vsnwprintf( WCHAR *str, SIZE_T len, const WCHAR *format,
 
 /* load order */
 
-#ifndef _WIN64
+#ifdef _WIN64
+static inline TEB64 *NtCurrentTeb64(void) { return NULL; }
+#else
 static inline TEB64 *NtCurrentTeb64(void) { return (TEB64 *)NtCurrentTeb()->GdiBatchCount; }
 #endif
 

dlls/ntdll/unix/env.c

@@ -1827,7 +1827,6 @@ static void run_wineboot( WCHAR *env, SIZE_T size )
 
     wine_server_fd_to_handle( 2, GENERIC_WRITE | SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
 
-#ifndef _WIN64
     if (NtCurrentTeb64() && !NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR])
     {
         NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = TRUE;
@@ -1837,7 +1836,6 @@ static void run_wineboot( WCHAR *env, SIZE_T size )
         NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = FALSE;
     }
     else
-#endif
         status = NtCreateUserProcess( &process, &thread, PROCESS_ALL_ACCESS, THREAD_ALL_ACCESS,
                                       NULL, NULL, 0, THREAD_CREATE_FLAGS_CREATE_SUSPENDED, &params,
                                       &create_info, &ps_attr );

dlls/ntdll/unix/file.c

@@ -3118,11 +3118,7 @@ static NTSTATUS lookup_unix_name( const WCHAR *name, int name_len, char **buffer
     int ret, len;
     struct stat st;
     char *unix_name = *buffer;
-#ifdef _WIN64
-    const BOOL redirect = FALSE;
-#else
     const BOOL redirect = NtCurrentTeb64() && !NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR];
-#endif
 
     /* try a shortcut first */
 

dlls/ntdll/unix/loader.c

@@ -1439,10 +1439,8 @@ BOOL is_builtin_path( const UNICODE_STRING *path, WORD *machine )
     if (path->Length > wcslen(system_dir) * sizeof(WCHAR) &&
         !wcsnicmp( path->Buffer, system_dir, wcslen(system_dir) ))
     {
-#ifndef _WIN64
         if (NtCurrentTeb64() && NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR])
             *machine = IMAGE_FILE_MACHINE_AMD64;
-#endif
         goto found;
     }
     if ((is_win64 || is_wow64) && path->Length > sizeof(wow64W) &&

dlls/ntdll/unix/unix_private.h

@@ -315,7 +315,9 @@ static inline void mutex_unlock( pthread_mutex_t *mutex )
     if (!process_exiting) pthread_mutex_unlock( mutex );
 }
 
-#ifndef _WIN64
+#ifdef _WIN64
+static inline TEB64 *NtCurrentTeb64(void) { return NULL; }
+#else
 static inline TEB64 *NtCurrentTeb64(void) { return (TEB64 *)NtCurrentTeb()->GdiBatchCount; }
 #endif