ntdll: Create NtLoadKeyEx syscall stub.

dlls/ntdll/ntdll.spec

@@ -244,6 +244,7 @@
 @ stdcall -syscall NtLoadDriver(ptr)
 @ stdcall -syscall NtLoadKey2(ptr ptr long)
 @ stdcall -syscall NtLoadKey(ptr ptr)
+@ stdcall -syscall NtLoadKeyEx(ptr ptr long long long long ptr ptr)
 @ stdcall -syscall NtLockFile(long long ptr ptr ptr ptr ptr ptr long long)
 # @ stub NtLockProductActivationKeys
 # @ stub NtLockRegistryKey

dlls/ntdll/unix/loader.c

@@ -203,6 +203,7 @@ static void * const syscalls[] =
     NtLoadDriver,
     NtLoadKey,
     NtLoadKey2,
+    NtLoadKeyEx,
     NtLockFile,
     NtLockVirtualMemory,
     NtMakeTemporaryObject,

dlls/ntdll/unix/registry.c

@@ -729,6 +729,16 @@ NTSTATUS WINAPI NtLoadKey2( const OBJECT_ATTRIBUTES *attr, OBJECT_ATTRIBUTES *fi
     return NtLoadKey( attr, file );
 }
 
+/******************************************************************************
+ *              NtLoadKeyEx  (NTDLL.@)
+ */
+NTSTATUS WINAPI NtLoadKeyEx( const OBJECT_ATTRIBUTES *attr, OBJECT_ATTRIBUTES *file, ULONG flags, HANDLE trustkey,
+                             HANDLE event, ACCESS_MASK access, HANDLE *roothandle, IO_STATUS_BLOCK *iostatus )
+{
+    FIXME( "(%p,%p,0x%08x,%p,%p,0x%08x,%p,%p) stub\n", attr, file, flags, trustkey, event,
+                                                        access, roothandle, iostatus );
+    return STATUS_NOT_IMPLEMENTED;
+}
 
 /******************************************************************************
  *              NtUnloadKey  (NTDLL.@)

dlls/wow64/registry.c

@@ -181,6 +181,30 @@ NTSTATUS WINAPI wow64_NtLoadKey2( UINT *args )
     return NtLoadKey2( objattr_32to64( &attr, attr32 ), objattr_32to64( &file, file32 ), flags );
 }
 
+/**********************************************************************
+ *           wow64_NtLoadKeyEx
+ */
+NTSTATUS WINAPI wow64_NtLoadKeyEx( UINT *args )
+{
+    OBJECT_ATTRIBUTES32 *attr32 = get_ptr( &args );
+    OBJECT_ATTRIBUTES32 *file32 = get_ptr( &args );
+    ULONG flags = get_ulong( &args );
+    HANDLE trustkey = get_handle( &args );
+    HANDLE event = get_handle( &args );
+    ACCESS_MASK desired_access = get_ulong( &args );
+    HANDLE *rootkey = get_ptr( &args );
+    IO_STATUS_BLOCK32 *io32 = get_ptr( &args );
+
+    struct object_attr64 attr, file;
+    IO_STATUS_BLOCK io;
+    NTSTATUS status;
+
+    status = NtLoadKeyEx( objattr_32to64( &attr, attr32 ), objattr_32to64( &file, file32 ), flags,
+                        trustkey, event, desired_access, rootkey, iosb_32to64( &io, io32 ) );
+    put_iosb( io32, &io );
+    return status;
+}
+
 
 /**********************************************************************
  *           wow64_NtNotifyChangeKey

dlls/wow64/syscall.h

@@ -104,6 +104,7 @@
     SYSCALL_ENTRY( NtLoadDriver ) \
     SYSCALL_ENTRY( NtLoadKey ) \
     SYSCALL_ENTRY( NtLoadKey2 ) \
+    SYSCALL_ENTRY( NtLoadKeyEx ) \
     SYSCALL_ENTRY( NtLockFile ) \
     SYSCALL_ENTRY( NtLockVirtualMemory ) \
     SYSCALL_ENTRY( NtMakeTemporaryObject ) \

include/winternl.h

@@ -4024,6 +4024,7 @@ NTSYSAPI NTSTATUS  WINAPI NtListenPort(HANDLE,PLPC_MESSAGE);
 NTSYSAPI NTSTATUS  WINAPI NtLoadDriver(const UNICODE_STRING *);
 NTSYSAPI NTSTATUS  WINAPI NtLoadKey(const OBJECT_ATTRIBUTES *,OBJECT_ATTRIBUTES *);
 NTSYSAPI NTSTATUS  WINAPI NtLoadKey2(const OBJECT_ATTRIBUTES *,OBJECT_ATTRIBUTES *,ULONG);
+NTSYSAPI NTSTATUS  WINAPI NtLoadKeyEx(const OBJECT_ATTRIBUTES *,OBJECT_ATTRIBUTES *,ULONG,HANDLE,HANDLE,ACCESS_MASK,HANDLE *,IO_STATUS_BLOCK *);
 NTSYSAPI NTSTATUS  WINAPI NtLockFile(HANDLE,HANDLE,PIO_APC_ROUTINE,void*,PIO_STATUS_BLOCK,PLARGE_INTEGER,PLARGE_INTEGER,ULONG*,BOOLEAN,BOOLEAN);
 NTSYSAPI NTSTATUS  WINAPI NtLockVirtualMemory(HANDLE,PVOID*,SIZE_T*,ULONG);
 NTSYSAPI NTSTATUS  WINAPI NtMakeTemporaryObject(HANDLE);