-extern void interrupt_internal_error(int, siginfo_t*, os_context_t*,
- boolean continuable);
-extern boolean handle_guard_page_triggered(os_context_t *,void *);
-extern boolean interrupt_maybe_gc(int, siginfo_t*, void*);
-extern boolean interrupt_maybe_gc_int(int, siginfo_t *, void *);
+extern void interrupt_internal_error(os_context_t*, boolean continuable);
+extern boolean handle_guard_page_triggered(os_context_t *,os_vm_address_t);