Introduce MonoThreadUnwindState and a bunch overloads to mono_walk_stack.

[mono.git] / mono / mini / mini-gc.h

diff --git a/mono/mini/mini-gc.h b/mono/mini/mini-gc.h
index 5ee68f245e9482cdfe61d8856044d2d51dc34f36..4e6355021c0a0ae6bc57ca8bcf32e74345e584a3 100644 (file)
--- a/mono/mini/mini-gc.h
+++ b/mono/mini/mini-gc.h
@@ -3,10 +3,29 @@
 
 #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_gc_map (MonoCompile *cfg) 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