win32u: Use syscall interface for NtUserCallHwnd and NtUserCallHwndParam.

dlls/win32u/gdiobj.c

@@ -1136,8 +1136,6 @@ static struct unix_funcs unix_funcs =
     NtGdiUnrealizeObject,
     NtGdiUpdateColors,
     NtGdiWidenPath,
-    NtUserCallHwnd,
-    NtUserCallHwndParam,
     NtUserCallNextHookEx,
     NtUserCallNoParam,
     NtUserCallOneParam,

dlls/win32u/syscall.c

@@ -106,6 +106,8 @@ static void * const syscalls[] =
     NtUserAttachThreadInput,
     NtUserBeginPaint,
     NtUserBuildHwndList,
+    NtUserCallHwnd,
+    NtUserCallHwndParam,
     NtUserCallMsgFilter,
     NtUserCheckMenuItem,
     NtUserChildWindowFromPointEx,

dlls/win32u/win32u.spec

@@ -768,11 +768,11 @@
 @ stub NtUserBuildPropList
 @ stub NtUserCalcMenuBar
 @ stub NtUserCalculatePopupWindowPosition
-@ stdcall NtUserCallHwnd(long long)
+@ stdcall -syscall NtUserCallHwnd(long long)
 @ stub NtUserCallHwndLock
 @ stub NtUserCallHwndLockSafe
 @ stub NtUserCallHwndOpt
-@ stdcall NtUserCallHwndParam(long ptr long)
+@ stdcall -syscall NtUserCallHwndParam(long ptr long)
 @ stub NtUserCallHwndParamLock
 @ stub NtUserCallHwndParamLockSafe
 @ stub NtUserCallHwndSafe

dlls/win32u/win32u_private.h

@@ -186,8 +186,6 @@ struct unix_funcs
     BOOL     (WINAPI *pNtGdiUnrealizeObject)( HGDIOBJ obj );
     BOOL     (WINAPI *pNtGdiUpdateColors)( HDC hdc );
     BOOL     (WINAPI *pNtGdiWidenPath)( HDC hdc );
-    ULONG_PTR (WINAPI *pNtUserCallHwnd)( HWND hwnd, DWORD code );
-    ULONG_PTR (WINAPI *pNtUserCallHwndParam)( HWND hwnd, DWORD_PTR param, DWORD code );
     LRESULT  (WINAPI *pNtUserCallNextHookEx)( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam );
     ULONG_PTR (WINAPI *pNtUserCallNoParam)( ULONG code );
     ULONG_PTR (WINAPI *pNtUserCallOneParam)( ULONG_PTR arg, ULONG code );

dlls/win32u/wrappers.c

@@ -749,18 +749,6 @@ ULONG_PTR WINAPI NtUserCallTwoParam( ULONG_PTR arg1, ULONG_PTR arg2, ULONG code
     return unix_funcs->pNtUserCallTwoParam( arg1, arg2, code );
 }
 
-ULONG_PTR WINAPI NtUserCallHwnd( HWND hwnd, DWORD code )
-{
-    if (!unix_funcs) return 0;
-    return unix_funcs->pNtUserCallHwnd( hwnd, code );
-}
-
-ULONG_PTR WINAPI NtUserCallHwndParam( HWND hwnd, DWORD_PTR param, DWORD code )
-{
-    if (!unix_funcs) return 0;
-    return unix_funcs->pNtUserCallHwndParam( hwnd, param, code );
-}
-
 BOOL WINAPI NtUserCloseClipboard(void)
 {
     if (!unix_funcs) return FALSE;

dlls/wow64win/syscall.h

@@ -93,6 +93,8 @@
     SYSCALL_ENTRY( NtUserAttachThreadInput ) \
     SYSCALL_ENTRY( NtUserBeginPaint ) \
     SYSCALL_ENTRY( NtUserBuildHwndList ) \
+    SYSCALL_ENTRY( NtUserCallHwnd ) \
+    SYSCALL_ENTRY( NtUserCallHwndParam ) \
     SYSCALL_ENTRY( NtUserCallMsgFilter ) \
     SYSCALL_ENTRY( NtUserCheckMenuItem ) \
     SYSCALL_ENTRY( NtUserChildWindowFromPointEx ) \

dlls/wow64win/user.c

@@ -220,6 +220,24 @@ NTSTATUS WINAPI wow64_NtUserBuildHwndList( UINT *args )
     return status;
 }
 
+NTSTATUS WINAPI wow64_NtUserCallHwnd( UINT *args )
+{
+    HWND hwnd = get_handle( &args );
+    DWORD code = get_ulong( &args );
+
+    return NtUserCallHwnd( hwnd, code );
+}
+
+NTSTATUS WINAPI wow64_NtUserCallHwndParam( UINT *args )
+{
+    HWND hwnd = get_handle( &args );
+    DWORD_PTR param = get_ulong( &args );
+    DWORD code = get_ulong( &args );
+
+    FIXME( "%p %Ix %lu\n", hwnd, param, code );
+    return 0;
+}
+
 NTSTATUS WINAPI wow64_NtUserCallMsgFilter( UINT *args )
 {
     MSG32 *msg32 = get_ptr( &args );