diff --git a/coregrind/core.h b/coregrind/core.h
index bce17e3..cee987d 100644
--- a/coregrind/core.h
+++ b/coregrind/core.h
@@ -605,11 +605,9 @@
 
 extern Bool VG_(sk_malloc_called_by_scheduler);
 
-
-/* Maximum number of LDT entries supported (by the x86). */
-#define VG_M_LDT_ENTRIES     8192
-/* The size of each LDT entry == sizeof(VgLdtEntry) */
-#define VG_LDT_ENTRY_SIZE  8
+/* ---------------------------------------------------------------------
+   Exports of vg_ldt.c
+   ------------------------------------------------------------------ */
 
 /* Alloc & copy, and dealloc. */
 extern VgLdtEntry* VG_(allocate_LDT_for_thread)   ( VgLdtEntry* parent_ldt );
@@ -1499,6 +1497,11 @@
 extern void VGA_(load_state) ( arch_thread_t*, ThreadId tid );
 extern void VGA_(save_state) ( arch_thread_t*, ThreadId tid );
 
+extern void VGA_(clear_thread)   ( arch_thread_t * );
+extern void VGA_(init_thread)    ( arch_thread_t * );
+extern void VGA_(cleanup_thread) ( arch_thread_t* );
+extern void VGA_(setup_child)    ( arch_thread_t*, arch_thread_t* );
+
 extern Bool VGA_(setup_pointercheck) ( void );
 
 extern Int  VGA_(ptrace_setregs_from_BB)  ( Int pid );