#include "mini.h"
+/*
+ * The GC type of a stack slot or register.
+ * This can change through the method as follows:
+ * - a SLOT_REF can become SLOT_NOREF and vice-versa when it becomes live/dead.
+ * - a SLOT_PIN can become SLOT_REF after it has been definitely assigned.
+ */
+typedef enum {
+ /* Stack slot doesn't contain a reference */
+ SLOT_NOREF = 0,
+ /* Stack slot contains a reference */
+ SLOT_REF = 1,
+ /* No info or managed pointer, slot needs to be scanned conservatively */
+ SLOT_PIN = 2
+} GCSlotType;
+
void mini_gc_init (void) MONO_INTERNAL;
+void mini_gc_init_cfg (MonoCompile *cfg) MONO_INTERNAL;
+
void mini_gc_create_gc_map (MonoCompile *cfg) MONO_INTERNAL;
+void mini_gc_set_slot_type_from_fp (MonoCompile *cfg, int slot_offset, GCSlotType type) MONO_INTERNAL;
+
+void mini_gc_set_slot_type_from_cfa (MonoCompile *cfg, int slot_offset, GCSlotType type) MONO_INTERNAL;
+
#endif