diff --git a/tools/cpp-define-generator/mirror_class.def b/tools/cpp-define-generator/mirror_class.def
index c01aab3..af396bf 100644
--- a/tools/cpp-define-generator/mirror_class.def
+++ b/tools/cpp-define-generator/mirror_class.def
@@ -56,3 +56,8 @@
 ASM_DEFINE(MIRROR_CLASS_IS_VISIBLY_INITIALIZED_VALUE,
            art::enum_cast<uint32_t>(art::ClassStatus::kVisiblyInitialized) <<
                (art::SubtypeCheckBits::BitStructSizeOf() % art::kBitsPerByte))
+ASM_DEFINE(MIRROR_CLASS_IS_INITIALIZING_VALUE,
+           art::enum_cast<uint32_t>(art::ClassStatus::kInitializing) <<
+               (art::SubtypeCheckBits::BitStructSizeOf() % art::kBitsPerByte))
+ASM_DEFINE(MIRROR_CLASS_CLINIT_THREAD_ID_OFFSET,
+           art::mirror::Class::ClinitThreadIdOffset().Int32Value())