win32u: Use syscall interface for NtUserGetMessage.

dlls/win32u/gdiobj.c

@@ -1180,7 +1180,6 @@ static struct unix_funcs unix_funcs =
     NtUserGetKeyNameText,
     NtUserGetKeyboardLayoutList,
     NtUserGetMenuBarInfo,
-    NtUserGetMessage,
     NtUserGetPriorityClipboardFormat,
     NtUserGetQueueStatus,
     NtUserGetScrollBarInfo,

dlls/win32u/syscall.c

@@ -143,6 +143,7 @@ static void * const syscalls[] =
     NtUserGetKeyboardState,
     NtUserGetLayeredWindowAttributes,
     NtUserGetMenuItemRect,
+    NtUserGetMessage,
     NtUserGetMouseMovePointsEx,
     NtUserGetObjectInformation,
     NtUserGetOpenClipboardWindow,

dlls/win32u/win32u.spec

@@ -955,7 +955,7 @@
 @ stdcall NtUserGetMenuBarInfo(long long long ptr)
 @ stub NtUserGetMenuIndex
 @ stdcall -syscall NtUserGetMenuItemRect(long long long ptr)
-@ stdcall NtUserGetMessage(ptr long long long)
+@ stdcall -syscall NtUserGetMessage(ptr long long long)
 @ stdcall -syscall NtUserGetMouseMovePointsEx(long ptr ptr long long)
 @ stdcall -syscall NtUserGetObjectInformation(long long long long ptr)
 @ stub NtUserGetOemBitmapSize

dlls/win32u/win32u_private.h

@@ -244,7 +244,6 @@ struct unix_funcs
     INT      (WINAPI *pNtUserGetKeyNameText)( LONG lparam, WCHAR *buffer, INT size );
     UINT     (WINAPI *pNtUserGetKeyboardLayoutList)( INT size, HKL *layouts );
     BOOL     (WINAPI *pNtUserGetMenuBarInfo)( HWND hwnd, LONG id, LONG item, MENUBARINFO *info );
-    BOOL     (WINAPI *pNtUserGetMessage)( MSG *msg, HWND hwnd, UINT first, UINT last );
     INT      (WINAPI *pNtUserGetPriorityClipboardFormat)( UINT *list, INT count );
     DWORD    (WINAPI *pNtUserGetQueueStatus)( UINT flags );
     BOOL     (WINAPI *pNtUserGetScrollBarInfo)( HWND hwnd, LONG id, SCROLLBARINFO *info );

dlls/win32u/wrappers.c

@@ -1000,12 +1000,6 @@ BOOL WINAPI NtUserGetMenuBarInfo( HWND hwnd, LONG id, LONG item, MENUBARINFO *in
     return unix_funcs->pNtUserGetMenuBarInfo( hwnd, id, item, info );
 }
 
-BOOL WINAPI NtUserGetMessage( MSG *msg, HWND hwnd, UINT first, UINT last )
-{
-    if (!unix_funcs) return FALSE;
-    return unix_funcs->pNtUserGetMessage( msg, hwnd, first, last );
-}
-
 HMENU WINAPI NtUserGetSystemMenu( HWND hwnd, BOOL revert )
 {
     if (!unix_funcs) return 0;

dlls/wow64win/syscall.h

@@ -130,6 +130,7 @@
     SYSCALL_ENTRY( NtUserGetKeyboardState ) \
     SYSCALL_ENTRY( NtUserGetLayeredWindowAttributes ) \
     SYSCALL_ENTRY( NtUserGetMenuItemRect ) \
+    SYSCALL_ENTRY( NtUserGetMessage ) \
     SYSCALL_ENTRY( NtUserGetMouseMovePointsEx ) \
     SYSCALL_ENTRY( NtUserGetObjectInformation ) \
     SYSCALL_ENTRY( NtUserGetOpenClipboardWindow ) \

dlls/wow64win/user.c

@@ -519,6 +519,19 @@ NTSTATUS WINAPI wow64_NtUserGetMenuItemRect( UINT *args )
     return NtUserGetMenuItemRect( hwnd, handle, item, rect );
 }
 
+NTSTATUS WINAPI wow64_NtUserGetMessage( UINT *args )
+{
+    MSG32 *msg32 = get_ptr( &args );
+    HWND hwnd = get_handle( &args );
+    UINT first = get_ulong( &args );
+    UINT last = get_ulong( &args );
+    MSG msg;
+
+    if (!NtUserGetMessage( &msg, hwnd, first, last )) return FALSE;
+    msg_64to32( &msg, msg32 );
+    return TRUE;
+}
+
 NTSTATUS WINAPI wow64_NtUserGetMouseMovePointsEx( UINT *args )
 {
     UINT size = get_ulong( &args );