1 files changed, 3 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 98ec9b4c51..94025b953c 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -658,8 +658,11 @@ int rb_backtrace_each(rb_backtrace_iter_func *iter, void *arg);
 rb_control_frame_t *rb_vm_get_ruby_level_next_cfp(rb_thread_t *th, rb_control_frame_t *cfp);
 int rb_vm_get_sourceline(const rb_control_frame_t *);
 VALUE rb_name_err_mesg_new(VALUE obj, VALUE mesg, VALUE recv, VALUE method);
+void rb_vm_stack_to_heap(rb_thread_t *th);
+void ruby_thread_init_stack(rb_thread_t *th);
 
 NOINLINE(void rb_gc_save_machine_context(rb_thread_t *));
+void rb_gc_mark_machine_stack(rb_thread_t *th);
 
 #define sysstack_error GET_VM()->special_exceptions[ruby_error_sysstack]