GCObject *__old = *(ptr); \
binary_protocol_scan_process_reference ((full_object), (ptr), __old); \
if (__old && !sgen_ptr_in_nursery (__old)) { \
- if (G_UNLIKELY (!sgen_ptr_in_nursery (ptr) && \
+ if (G_UNLIKELY (full_object && !sgen_ptr_in_nursery (ptr) && \
sgen_safe_object_is_small (__old, sgen_obj_get_descriptor (__old) & DESC_TYPE_MASK) && \
major_block_is_evacuating (MS_BLOCK_FOR_OBJ (__old)))) { \
mark_mod_union_card ((full_object), (void**)(ptr), __old); \
COPY_OR_MARK_FUNCTION_NAME ((ptr), __old, queue); \
} \
} else { \
- if (G_UNLIKELY (sgen_ptr_in_nursery (__old) && !sgen_ptr_in_nursery ((ptr)) && !sgen_cement_is_forced (__old))) \
+ if (G_UNLIKELY (full_object && sgen_ptr_in_nursery (__old) && !sgen_ptr_in_nursery ((ptr)) && !sgen_cement_is_forced (__old))) \
mark_mod_union_card ((full_object), (void**)(ptr), __old); \
} \
} while (0)
PREFETCH_READ (__old); \
COPY_OR_MARK_FUNCTION_NAME ((ptr), __old, queue); \
} else { \
- if (G_UNLIKELY (sgen_ptr_in_nursery (__old) && !sgen_ptr_in_nursery ((ptr)) && !sgen_cement_is_forced (__old))) \
+ if (G_UNLIKELY (full_object && sgen_ptr_in_nursery (__old) && !sgen_ptr_in_nursery ((ptr)) && !sgen_cement_is_forced (__old))) \
mark_mod_union_card ((full_object), (void**)(ptr), __old); \
} \
} while (0)
static void
SCAN_PTR_FIELD_FUNCTION_NAME (GCObject *full_object, GCObject **ptr, SgenGrayQueue *queue)
{
+ /*
+ * full_object is NULL if we scan unmanaged memory. This means we can't mark
+ * mod unions for it, so these types of roots currently don't have support
+ * for the concurrent collector (aka they need to be scanned as normal roots
+ * both in the start and finishing pause)
+ */
HANDLE_PTR (ptr, NULL);
}
#endif