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src/hotspot/share/ci/ciInstanceKlass.cpp

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*** 61,87 **** _init_state = ik->init_state(); _nonstatic_field_size = ik->nonstatic_field_size(); _has_nonstatic_fields = ik->has_nonstatic_fields(); _has_nonstatic_concrete_methods = ik->has_nonstatic_concrete_methods(); _is_unsafe_anonymous = ik->is_unsafe_anonymous(); _nonstatic_fields = NULL; // initialized lazily by compute_nonstatic_fields: _has_injected_fields = -1; _implementor = NULL; // we will fill these lazily // Ensure that the metadata wrapped by the ciMetadata is kept alive by GC. // This is primarily useful for metadata which is considered as weak roots // by the GC but need to be strong roots if reachable from a current compilation. // InstanceKlass are created for both weak and strong metadata. Ensuring this metadata // alive covers the cases where there are weak roots without performance cost. oop holder = ik->klass_holder(); ! if (ik->is_unsafe_anonymous()) { // Though ciInstanceKlass records class loader oop, it's not enough to keep ! // VM unsafe anonymous classes alive (loader == NULL). Klass holder should // be used instead. It is enough to record a ciObject, since cached elements are never removed // during ciObjectFactory lifetime. ciObjectFactory itself is created for // every compilation and lives for the whole duration of the compilation. ! assert(holder != NULL, "holder of unsafe anonymous class is the mirror which is never null"); (void)CURRENT_ENV->get_object(holder); } Thread *thread = Thread::current(); if (ciObjectFactory::is_initialized()) { --- 61,88 ---- _init_state = ik->init_state(); _nonstatic_field_size = ik->nonstatic_field_size(); _has_nonstatic_fields = ik->has_nonstatic_fields(); _has_nonstatic_concrete_methods = ik->has_nonstatic_concrete_methods(); _is_unsafe_anonymous = ik->is_unsafe_anonymous(); + _is_nonfindable = ik->is_nonfindable(); _nonstatic_fields = NULL; // initialized lazily by compute_nonstatic_fields: _has_injected_fields = -1; _implementor = NULL; // we will fill these lazily // Ensure that the metadata wrapped by the ciMetadata is kept alive by GC. // This is primarily useful for metadata which is considered as weak roots // by the GC but need to be strong roots if reachable from a current compilation. // InstanceKlass are created for both weak and strong metadata. Ensuring this metadata // alive covers the cases where there are weak roots without performance cost. oop holder = ik->klass_holder(); ! if (ik->class_loader_data()->is_shortlived()) { // Though ciInstanceKlass records class loader oop, it's not enough to keep ! // VM weak nonfindable and unsafe anonymous classes alive (loader == NULL). Klass holder should // be used instead. It is enough to record a ciObject, since cached elements are never removed // during ciObjectFactory lifetime. ciObjectFactory itself is created for // every compilation and lives for the whole duration of the compilation. ! assert(holder != NULL, "holder of nonfindable or unsafe anonymous class is the mirror which is never null"); (void)CURRENT_ENV->get_object(holder); } Thread *thread = Thread::current(); if (ciObjectFactory::is_initialized()) {
*** 121,130 **** --- 122,132 ---- _nonstatic_field_size = -1; _has_nonstatic_fields = false; _nonstatic_fields = NULL; _has_injected_fields = -1; _is_unsafe_anonymous = false; + _is_nonfindable = false; _loader = loader; _protection_domain = protection_domain; _is_shared = false; _super = NULL; _java_mirror = NULL;
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