-#define TARGET_CXX \
- { \
- TARGET_CXX_GUARD_TYPE, \
- TARGET_CXX_GUARD_MASK_BIT, \
- TARGET_CXX_GET_COOKIE_SIZE, \
- TARGET_CXX_COOKIE_HAS_SIZE, \
- TARGET_CXX_IMPORT_EXPORT_CLASS \
+#ifndef TARGET_CXX_CDTOR_RETURNS_THIS
+#define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
+#endif
+
+#ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
+#define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
+#endif
+
+#ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
+#define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
+#endif
+
+#ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
+#define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
+#endif
+
+#ifndef TARGET_CXX_USE_AEABI_ATEXIT
+#define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
+#endif
+
+#ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
+#define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
+#endif
+
+#define TARGET_CXX \
+ { \
+ TARGET_CXX_GUARD_TYPE, \
+ TARGET_CXX_GUARD_MASK_BIT, \
+ TARGET_CXX_GET_COOKIE_SIZE, \
+ TARGET_CXX_COOKIE_HAS_SIZE, \
+ TARGET_CXX_IMPORT_EXPORT_CLASS, \
+ TARGET_CXX_CDTOR_RETURNS_THIS, \
+ TARGET_CXX_KEY_METHOD_MAY_BE_INLINE, \
+ TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
+ TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT, \
+ TARGET_CXX_USE_AEABI_ATEXIT, \
+ TARGET_CXX_ADJUST_CLASS_AT_DEFINITION \