+void mono_arch_emit_imt_argument (MonoCompile *cfg, MonoCallInst *call) MONO_INTERNAL;
+MonoMethod* mono_arch_find_imt_method (gpointer *regs, guint8 *code) MONO_INTERNAL;
+MonoObject* mono_arch_find_this_argument (gpointer *regs, MonoMethod *method) MONO_INTERNAL;
+gpointer mono_arch_build_imt_thunk (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count) MONO_INTERNAL;