duke@435: /*
xdono@631:  * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: # include "incls/_precompiled.incl"
duke@435: # include "incls/_instanceKlassKlass.cpp.incl"
duke@435: 
duke@435: klassOop instanceKlassKlass::create_klass(TRAPS) {
duke@435:   instanceKlassKlass o;
duke@435:   KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
duke@435:   KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
duke@435:   // Make sure size calculation is right
duke@435:   assert(k()->size() == align_object_size(header_size()), "wrong size for object");
duke@435:   java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror
duke@435:   return k();
duke@435: }
duke@435: 
duke@435: int instanceKlassKlass::oop_size(oop obj) const {
duke@435:   assert(obj->is_klass(), "must be klass");
duke@435:   return instanceKlass::cast(klassOop(obj))->object_size();
duke@435: }
duke@435: 
duke@435: bool instanceKlassKlass::oop_is_parsable(oop obj) const {
duke@435:   assert(obj->is_klass(), "must be klass");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   return (!ik->null_vtbl()) && ik->object_is_parsable();
duke@435: }
duke@435: 
duke@435: void instanceKlassKlass::iterate_c_heap_oops(instanceKlass* ik,
duke@435:                                              OopClosure* closure) {
duke@435:   if (ik->oop_map_cache() != NULL) {
duke@435:     ik->oop_map_cache()->oop_iterate(closure);
duke@435:   }
duke@435: 
duke@435:   if (ik->jni_ids() != NULL) {
duke@435:     ik->jni_ids()->oops_do(closure);
duke@435:   }
duke@435: }
duke@435: 
duke@435: void instanceKlassKlass::oop_follow_contents(oop obj) {
duke@435:   assert(obj->is_klass(),"must be a klass");
duke@435:   assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass");
duke@435: 
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   ik->follow_static_fields();
duke@435:   {
duke@435:     HandleMark hm;
duke@435:     ik->vtable()->oop_follow_contents();
duke@435:     ik->itable()->oop_follow_contents();
duke@435:   }
duke@435: 
duke@435:   MarkSweep::mark_and_push(ik->adr_array_klasses());
duke@435:   MarkSweep::mark_and_push(ik->adr_methods());
duke@435:   MarkSweep::mark_and_push(ik->adr_method_ordering());
duke@435:   MarkSweep::mark_and_push(ik->adr_local_interfaces());
duke@435:   MarkSweep::mark_and_push(ik->adr_transitive_interfaces());
duke@435:   MarkSweep::mark_and_push(ik->adr_fields());
duke@435:   MarkSweep::mark_and_push(ik->adr_constants());
duke@435:   MarkSweep::mark_and_push(ik->adr_class_loader());
duke@435:   MarkSweep::mark_and_push(ik->adr_source_file_name());
duke@435:   MarkSweep::mark_and_push(ik->adr_source_debug_extension());
duke@435:   MarkSweep::mark_and_push(ik->adr_inner_classes());
duke@435:   MarkSweep::mark_and_push(ik->adr_protection_domain());
duke@435:   MarkSweep::mark_and_push(ik->adr_signers());
duke@435:   MarkSweep::mark_and_push(ik->adr_generic_signature());
duke@435:   MarkSweep::mark_and_push(ik->adr_class_annotations());
duke@435:   MarkSweep::mark_and_push(ik->adr_fields_annotations());
duke@435:   MarkSweep::mark_and_push(ik->adr_methods_annotations());
duke@435:   MarkSweep::mark_and_push(ik->adr_methods_parameter_annotations());
duke@435:   MarkSweep::mark_and_push(ik->adr_methods_default_annotations());
duke@435: 
duke@435:   // We do not follow adr_implementors() here. It is followed later
duke@435:   // in instanceKlass::follow_weak_klass_links()
duke@435: 
duke@435:   klassKlass::oop_follow_contents(obj);
duke@435: 
duke@435:   iterate_c_heap_oops(ik, &MarkSweep::mark_and_push_closure);
duke@435: }
duke@435: 
duke@435: #ifndef SERIALGC
duke@435: void instanceKlassKlass::oop_follow_contents(ParCompactionManager* cm,
duke@435:                                              oop obj) {
duke@435:   assert(obj->is_klass(),"must be a klass");
duke@435:   assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass");
duke@435: 
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   ik->follow_static_fields(cm);
duke@435:   ik->vtable()->oop_follow_contents(cm);
duke@435:   ik->itable()->oop_follow_contents(cm);
duke@435: 
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_array_klasses());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_methods());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_method_ordering());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_local_interfaces());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_transitive_interfaces());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_fields());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_constants());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_class_loader());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_source_file_name());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_source_debug_extension());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_inner_classes());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_protection_domain());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_signers());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_generic_signature());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_class_annotations());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_fields_annotations());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_methods_annotations());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_methods_parameter_annotations());
duke@435:   PSParallelCompact::mark_and_push(cm, ik->adr_methods_default_annotations());
duke@435: 
duke@435:   // We do not follow adr_implementor() here. It is followed later
duke@435:   // in instanceKlass::follow_weak_klass_links()
duke@435: 
duke@435:   klassKlass::oop_follow_contents(cm, obj);
duke@435: 
duke@435:   PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm);
duke@435:   iterate_c_heap_oops(ik, &mark_and_push_closure);
duke@435: }
duke@435: #endif // SERIALGC
duke@435: 
duke@435: int instanceKlassKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
duke@435:   assert(obj->is_klass(),"must be a klass");
duke@435:   assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   // Get size before changing pointers.
duke@435:   // Don't call size() or oop_size() since that is a virtual call.
duke@435:   int size = ik->object_size();
duke@435: 
duke@435:   ik->iterate_static_fields(blk);
duke@435:   ik->vtable()->oop_oop_iterate(blk);
duke@435:   ik->itable()->oop_oop_iterate(blk);
duke@435: 
duke@435:   blk->do_oop(ik->adr_array_klasses());
duke@435:   blk->do_oop(ik->adr_methods());
duke@435:   blk->do_oop(ik->adr_method_ordering());
duke@435:   blk->do_oop(ik->adr_local_interfaces());
duke@435:   blk->do_oop(ik->adr_transitive_interfaces());
duke@435:   blk->do_oop(ik->adr_fields());
duke@435:   blk->do_oop(ik->adr_constants());
duke@435:   blk->do_oop(ik->adr_class_loader());
duke@435:   blk->do_oop(ik->adr_protection_domain());
duke@435:   blk->do_oop(ik->adr_signers());
duke@435:   blk->do_oop(ik->adr_source_file_name());
duke@435:   blk->do_oop(ik->adr_source_debug_extension());
duke@435:   blk->do_oop(ik->adr_inner_classes());
duke@435:   for (int i = 0; i < instanceKlass::implementors_limit; i++) {
duke@435:     blk->do_oop(&ik->adr_implementors()[i]);
duke@435:   }
duke@435:   blk->do_oop(ik->adr_generic_signature());
duke@435:   blk->do_oop(ik->adr_class_annotations());
duke@435:   blk->do_oop(ik->adr_fields_annotations());
duke@435:   blk->do_oop(ik->adr_methods_annotations());
duke@435:   blk->do_oop(ik->adr_methods_parameter_annotations());
duke@435:   blk->do_oop(ik->adr_methods_default_annotations());
duke@435: 
duke@435:   klassKlass::oop_oop_iterate(obj, blk);
duke@435: 
duke@435:   if(ik->oop_map_cache() != NULL) ik->oop_map_cache()->oop_iterate(blk);
duke@435:   return size;
duke@435: }
duke@435: 
duke@435: int instanceKlassKlass::oop_oop_iterate_m(oop obj, OopClosure* blk,
duke@435:                                            MemRegion mr) {
duke@435:   assert(obj->is_klass(),"must be a klass");
duke@435:   assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   // Get size before changing pointers.
duke@435:   // Don't call size() or oop_size() since that is a virtual call.
duke@435:   int size = ik->object_size();
duke@435: 
duke@435:   ik->iterate_static_fields(blk, mr);
duke@435:   ik->vtable()->oop_oop_iterate_m(blk, mr);
duke@435:   ik->itable()->oop_oop_iterate_m(blk, mr);
duke@435: 
duke@435:   oop* adr;
duke@435:   adr = ik->adr_array_klasses();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_methods();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_method_ordering();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_local_interfaces();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_transitive_interfaces();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_fields();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_constants();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_class_loader();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_protection_domain();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_signers();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_source_file_name();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_source_debug_extension();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_inner_classes();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_implementors();
duke@435:   for (int i = 0; i < instanceKlass::implementors_limit; i++) {
duke@435:     if (mr.contains(&adr[i])) blk->do_oop(&adr[i]);
duke@435:   }
duke@435:   adr = ik->adr_generic_signature();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_class_annotations();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_fields_annotations();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_methods_annotations();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_methods_parameter_annotations();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435:   adr = ik->adr_methods_default_annotations();
duke@435:   if (mr.contains(adr)) blk->do_oop(adr);
duke@435: 
duke@435:   klassKlass::oop_oop_iterate_m(obj, blk, mr);
duke@435: 
duke@435:   if(ik->oop_map_cache() != NULL) ik->oop_map_cache()->oop_iterate(blk, mr);
duke@435:   return size;
duke@435: }
duke@435: 
duke@435: int instanceKlassKlass::oop_adjust_pointers(oop obj) {
duke@435:   assert(obj->is_klass(),"must be a klass");
duke@435:   assert(klassOop(obj)->klass_part()->oop_is_instance_slow(), "must be instance klass");
duke@435: 
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   ik->adjust_static_fields();
duke@435:   ik->vtable()->oop_adjust_pointers();
duke@435:   ik->itable()->oop_adjust_pointers();
duke@435: 
duke@435:   MarkSweep::adjust_pointer(ik->adr_array_klasses());
duke@435:   MarkSweep::adjust_pointer(ik->adr_methods());
duke@435:   MarkSweep::adjust_pointer(ik->adr_method_ordering());
duke@435:   MarkSweep::adjust_pointer(ik->adr_local_interfaces());
duke@435:   MarkSweep::adjust_pointer(ik->adr_transitive_interfaces());
duke@435:   MarkSweep::adjust_pointer(ik->adr_fields());
duke@435:   MarkSweep::adjust_pointer(ik->adr_constants());
duke@435:   MarkSweep::adjust_pointer(ik->adr_class_loader());
duke@435:   MarkSweep::adjust_pointer(ik->adr_protection_domain());
duke@435:   MarkSweep::adjust_pointer(ik->adr_signers());
duke@435:   MarkSweep::adjust_pointer(ik->adr_source_file_name());
duke@435:   MarkSweep::adjust_pointer(ik->adr_source_debug_extension());
duke@435:   MarkSweep::adjust_pointer(ik->adr_inner_classes());
duke@435:   for (int i = 0; i < instanceKlass::implementors_limit; i++) {
duke@435:     MarkSweep::adjust_pointer(&ik->adr_implementors()[i]);
duke@435:   }
duke@435:   MarkSweep::adjust_pointer(ik->adr_generic_signature());
duke@435:   MarkSweep::adjust_pointer(ik->adr_class_annotations());
duke@435:   MarkSweep::adjust_pointer(ik->adr_fields_annotations());
duke@435:   MarkSweep::adjust_pointer(ik->adr_methods_annotations());
duke@435:   MarkSweep::adjust_pointer(ik->adr_methods_parameter_annotations());
duke@435:   MarkSweep::adjust_pointer(ik->adr_methods_default_annotations());
duke@435: 
duke@435:   iterate_c_heap_oops(ik, &MarkSweep::adjust_root_pointer_closure);
duke@435: 
duke@435:   return klassKlass::oop_adjust_pointers(obj);
duke@435: }
duke@435: 
duke@435: #ifndef SERIALGC
duke@435: void instanceKlassKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {
duke@435:   assert(!pm->depth_first(), "invariant");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   ik->copy_static_fields(pm);
duke@435: 
duke@435:   oop* loader_addr = ik->adr_class_loader();
coleenp@548:   if (PSScavenge::should_scavenge(loader_addr)) {
duke@435:     pm->claim_or_forward_breadth(loader_addr);
duke@435:   }
duke@435: 
duke@435:   oop* pd_addr = ik->adr_protection_domain();
coleenp@548:   if (PSScavenge::should_scavenge(pd_addr)) {
duke@435:     pm->claim_or_forward_breadth(pd_addr);
duke@435:   }
duke@435: 
duke@435:   oop* sg_addr = ik->adr_signers();
coleenp@548:   if (PSScavenge::should_scavenge(sg_addr)) {
duke@435:     pm->claim_or_forward_breadth(sg_addr);
duke@435:   }
duke@435: 
duke@435:   klassKlass::oop_copy_contents(pm, obj);
duke@435: }
duke@435: 
duke@435: void instanceKlassKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
duke@435:   assert(pm->depth_first(), "invariant");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   ik->push_static_fields(pm);
duke@435: 
duke@435:   oop* loader_addr = ik->adr_class_loader();
coleenp@548:   if (PSScavenge::should_scavenge(loader_addr)) {
duke@435:     pm->claim_or_forward_depth(loader_addr);
duke@435:   }
duke@435: 
duke@435:   oop* pd_addr = ik->adr_protection_domain();
coleenp@548:   if (PSScavenge::should_scavenge(pd_addr)) {
duke@435:     pm->claim_or_forward_depth(pd_addr);
duke@435:   }
duke@435: 
duke@435:   oop* sg_addr = ik->adr_signers();
coleenp@548:   if (PSScavenge::should_scavenge(sg_addr)) {
duke@435:     pm->claim_or_forward_depth(sg_addr);
duke@435:   }
duke@435: 
duke@435:   klassKlass::oop_copy_contents(pm, obj);
duke@435: }
duke@435: 
duke@435: int instanceKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
duke@435:   assert(obj->is_klass(),"must be a klass");
duke@435:   assert(klassOop(obj)->klass_part()->oop_is_instance_slow(),
duke@435:          "must be instance klass");
duke@435: 
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   ik->update_static_fields();
duke@435:   ik->vtable()->oop_update_pointers(cm);
duke@435:   ik->itable()->oop_update_pointers(cm);
duke@435: 
duke@435:   oop* const beg_oop = ik->oop_block_beg();
duke@435:   oop* const end_oop = ik->oop_block_end();
duke@435:   for (oop* cur_oop = beg_oop; cur_oop < end_oop; ++cur_oop) {
duke@435:     PSParallelCompact::adjust_pointer(cur_oop);
duke@435:   }
duke@435: 
duke@435:   OopClosure* closure = PSParallelCompact::adjust_root_pointer_closure();
duke@435:   iterate_c_heap_oops(ik, closure);
duke@435: 
duke@435:   klassKlass::oop_update_pointers(cm, obj);
duke@435:   return ik->object_size();
duke@435: }
duke@435: 
duke@435: int instanceKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
duke@435:                                             HeapWord* beg_addr,
duke@435:                                             HeapWord* end_addr) {
duke@435:   assert(obj->is_klass(),"must be a klass");
duke@435:   assert(klassOop(obj)->klass_part()->oop_is_instance_slow(),
duke@435:          "must be instance klass");
duke@435: 
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   ik->update_static_fields(beg_addr, end_addr);
duke@435:   ik->vtable()->oop_update_pointers(cm, beg_addr, end_addr);
duke@435:   ik->itable()->oop_update_pointers(cm, beg_addr, end_addr);
duke@435: 
duke@435:   oop* const beg_oop = MAX2((oop*)beg_addr, ik->oop_block_beg());
duke@435:   oop* const end_oop = MIN2((oop*)end_addr, ik->oop_block_end());
duke@435:   for (oop* cur_oop = beg_oop; cur_oop < end_oop; ++cur_oop) {
duke@435:     PSParallelCompact::adjust_pointer(cur_oop);
duke@435:   }
duke@435: 
duke@435:   // The oop_map_cache, jni_ids and jni_id_map are allocated from the C heap,
duke@435:   // and so don't lie within any 'Chunk' boundaries.  Update them when the
duke@435:   // lowest addressed oop in the instanceKlass 'oop_block' is updated.
duke@435:   if (beg_oop == ik->oop_block_beg()) {
duke@435:     OopClosure* closure = PSParallelCompact::adjust_root_pointer_closure();
duke@435:     iterate_c_heap_oops(ik, closure);
duke@435:   }
duke@435: 
duke@435:   klassKlass::oop_update_pointers(cm, obj, beg_addr, end_addr);
duke@435:   return ik->object_size();
duke@435: }
duke@435: #endif // SERIALGC
duke@435: 
duke@435: klassOop instanceKlassKlass::allocate_instance_klass(int vtable_len, int itable_len, int static_field_size,
duke@435:                                                      int nonstatic_oop_map_size, ReferenceType rt, TRAPS) {
duke@435: 
duke@435:   int size = instanceKlass::object_size(align_object_offset(vtable_len) + align_object_offset(itable_len) + static_field_size + nonstatic_oop_map_size);
duke@435: 
duke@435:   // Allocation
duke@435:   KlassHandle h_this_klass(THREAD, as_klassOop());
duke@435:   KlassHandle k;
duke@435:   if (rt == REF_NONE) {
duke@435:     // regular klass
duke@435:     instanceKlass o;
duke@435:     k = base_create_klass(h_this_klass, size, o.vtbl_value(), CHECK_NULL);
duke@435:   } else {
duke@435:     // reference klass
duke@435:     instanceRefKlass o;
duke@435:     k = base_create_klass(h_this_klass, size, o.vtbl_value(), CHECK_NULL);
duke@435:   }
duke@435:   {
duke@435:     No_Safepoint_Verifier no_safepoint; // until k becomes parsable
duke@435:     instanceKlass* ik = (instanceKlass*) k()->klass_part();
duke@435:     assert(!k()->is_parsable(), "not expecting parsability yet.");
duke@435: 
duke@435:     // The sizes of these these three variables are used for determining the
duke@435:     // size of the instanceKlassOop. It is critical that these are set to the right
duke@435:     // sizes before the first GC, i.e., when we allocate the mirror.
duke@435:     ik->set_vtable_length(vtable_len);
duke@435:     ik->set_itable_length(itable_len);
duke@435:     ik->set_static_field_size(static_field_size);
duke@435:     ik->set_nonstatic_oop_map_size(nonstatic_oop_map_size);
duke@435:     assert(k()->size() == size, "wrong size for object");
duke@435: 
duke@435:     ik->set_array_klasses(NULL);
duke@435:     ik->set_methods(NULL);
duke@435:     ik->set_method_ordering(NULL);
duke@435:     ik->set_local_interfaces(NULL);
duke@435:     ik->set_transitive_interfaces(NULL);
duke@435:     ik->init_implementor();
duke@435:     ik->set_fields(NULL);
duke@435:     ik->set_constants(NULL);
duke@435:     ik->set_class_loader(NULL);
duke@435:     ik->set_protection_domain(NULL);
duke@435:     ik->set_signers(NULL);
duke@435:     ik->set_source_file_name(NULL);
duke@435:     ik->set_source_debug_extension(NULL);
duke@435:     ik->set_inner_classes(NULL);
duke@435:     ik->set_static_oop_field_size(0);
duke@435:     ik->set_nonstatic_field_size(0);
duke@435:     ik->set_is_marked_dependent(false);
duke@435:     ik->set_init_state(instanceKlass::allocated);
duke@435:     ik->set_init_thread(NULL);
duke@435:     ik->set_reference_type(rt);
duke@435:     ik->set_oop_map_cache(NULL);
duke@435:     ik->set_jni_ids(NULL);
duke@435:     ik->set_osr_nmethods_head(NULL);
duke@435:     ik->set_breakpoints(NULL);
duke@435:     ik->init_previous_versions();
duke@435:     ik->set_generic_signature(NULL);
duke@435:     ik->release_set_methods_jmethod_ids(NULL);
duke@435:     ik->release_set_methods_cached_itable_indices(NULL);
duke@435:     ik->set_class_annotations(NULL);
duke@435:     ik->set_fields_annotations(NULL);
duke@435:     ik->set_methods_annotations(NULL);
duke@435:     ik->set_methods_parameter_annotations(NULL);
duke@435:     ik->set_methods_default_annotations(NULL);
duke@435:     ik->set_enclosing_method_indices(0, 0);
duke@435:     ik->set_jvmti_cached_class_field_map(NULL);
duke@435:     ik->set_initial_method_idnum(0);
duke@435:     assert(k()->is_parsable(), "should be parsable here.");
duke@435: 
duke@435:     // initialize the non-header words to zero
duke@435:     intptr_t* p = (intptr_t*)k();
duke@435:     for (int index = instanceKlass::header_size(); index < size; index++) {
duke@435:       p[index] = NULL_WORD;
duke@435:     }
duke@435: 
duke@435:     // To get verify to work - must be set to partial loaded before first GC point.
duke@435:     k()->set_partially_loaded();
duke@435:   }
duke@435: 
duke@435:   // GC can happen here
duke@435:   java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror
duke@435:   return k();
duke@435: }
duke@435: 
duke@435: 
duke@435: 
duke@435: #ifndef PRODUCT
duke@435: 
duke@435: // Printing
duke@435: 
duke@435: static const char* state_names[] = {
duke@435:   "unparseable_by_gc", "allocated", "loaded", "linked", "being_initialized", "fully_initialized", "initialization_error"
duke@435: };
duke@435: 
duke@435: 
duke@435: void instanceKlassKlass::oop_print_on(oop obj, outputStream* st) {
duke@435:   assert(obj->is_klass(), "must be klass");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   klassKlass::oop_print_on(obj, st);
duke@435: 
duke@435:   st->print(" - instance size:     %d", ik->size_helper());                        st->cr();
duke@435:   st->print(" - klass size:        %d", ik->object_size());                        st->cr();
duke@435:   st->print(" - access:            "); ik->access_flags().print_on(st);            st->cr();
duke@435:   st->print(" - state:             "); st->print_cr(state_names[ik->_init_state]);
duke@435:   st->print(" - name:              "); ik->name()->print_value_on(st);             st->cr();
duke@435:   st->print(" - super:             "); ik->super()->print_value_on(st);            st->cr();
duke@435:   st->print(" - sub:               ");
duke@435:   Klass* sub = ik->subklass();
duke@435:   int n;
duke@435:   for (n = 0; sub != NULL; n++, sub = sub->next_sibling()) {
duke@435:     if (n < MaxSubklassPrintSize) {
duke@435:       sub->as_klassOop()->print_value_on(st);
duke@435:       st->print("   ");
duke@435:     }
duke@435:   }
duke@435:   if (n >= MaxSubklassPrintSize) st->print("(%d more klasses...)", n - MaxSubklassPrintSize);
duke@435:   st->cr();
duke@435: 
duke@435:   if (ik->is_interface()) {
duke@435:     st->print_cr(" - nof implementors:  %d", ik->nof_implementors());
duke@435:     int print_impl = 0;
duke@435:     for (int i = 0; i < instanceKlass::implementors_limit; i++) {
duke@435:       if (ik->implementor(i) != NULL) {
duke@435:         if (++print_impl == 1)
duke@435:           st->print_cr(" - implementor:    ");
duke@435:         st->print("   ");
duke@435:         ik->implementor(i)->print_value_on(st);
duke@435:       }
duke@435:     }
duke@435:     if (print_impl > 0)  st->cr();
duke@435:   }
duke@435: 
duke@435:   st->print(" - arrays:            "); ik->array_klasses()->print_value_on(st);     st->cr();
duke@435:   st->print(" - methods:           "); ik->methods()->print_value_on(st);           st->cr();
duke@435:   if (Verbose) {
duke@435:     objArrayOop methods = ik->methods();
duke@435:     for(int i = 0; i < methods->length(); i++) {
duke@435:       tty->print("%d : ", i); methods->obj_at(i)->print_value(); tty->cr();
duke@435:     }
duke@435:   }
duke@435:   st->print(" - method ordering:   "); ik->method_ordering()->print_value_on(st);       st->cr();
duke@435:   st->print(" - local interfaces:  "); ik->local_interfaces()->print_value_on(st);      st->cr();
duke@435:   st->print(" - trans. interfaces: "); ik->transitive_interfaces()->print_value_on(st); st->cr();
duke@435:   st->print(" - constants:         "); ik->constants()->print_value_on(st);         st->cr();
duke@435:   st->print(" - class loader:      "); ik->class_loader()->print_value_on(st);      st->cr();
duke@435:   st->print(" - protection domain: "); ik->protection_domain()->print_value_on(st); st->cr();
duke@435:   st->print(" - signers:           "); ik->signers()->print_value_on(st);           st->cr();
duke@435:   if (ik->source_file_name() != NULL) {
duke@435:     st->print(" - source file:       ");
duke@435:     ik->source_file_name()->print_value_on(st);
duke@435:     st->cr();
duke@435:   }
duke@435:   if (ik->source_debug_extension() != NULL) {
duke@435:     st->print(" - source debug extension:       ");
duke@435:     ik->source_debug_extension()->print_value_on(st);
duke@435:     st->cr();
duke@435:   }
duke@435: 
duke@435:   st->print_cr(" - previous version:       ");
duke@435:   {
duke@435:     ResourceMark rm;
duke@435:     // PreviousVersionInfo objects returned via PreviousVersionWalker
duke@435:     // contain a GrowableArray of handles. We have to clean up the
duke@435:     // GrowableArray _after_ the PreviousVersionWalker destructor
duke@435:     // has destroyed the handles.
duke@435:     {
duke@435:       PreviousVersionWalker pvw(ik);
duke@435:       for (PreviousVersionInfo * pv_info = pvw.next_previous_version();
duke@435:            pv_info != NULL; pv_info = pvw.next_previous_version()) {
duke@435:         pv_info->prev_constant_pool_handle()()->print_value_on(st);
duke@435:       }
duke@435:       st->cr();
duke@435:     } // pvw is cleaned up
duke@435:   } // rm is cleaned up
duke@435: 
duke@435:   if (ik->generic_signature() != NULL) {
duke@435:     st->print(" - generic signature:            ");
duke@435:     ik->generic_signature()->print_value_on(st);
duke@435:   }
duke@435:   st->print(" - inner classes:     "); ik->inner_classes()->print_value_on(st);     st->cr();
duke@435:   st->print(" - java mirror:       "); ik->java_mirror()->print_value_on(st);       st->cr();
duke@435:   st->print(" - vtable length      %d  (start addr: " INTPTR_FORMAT ")", ik->vtable_length(), ik->start_of_vtable());  st->cr();
duke@435:   st->print(" - itable length      %d (start addr: " INTPTR_FORMAT ")", ik->itable_length(), ik->start_of_itable()); st->cr();
duke@435:   st->print_cr(" - static fields:");
duke@435:   FieldPrinter print_static_field(st);
duke@435:   ik->do_local_static_fields(&print_static_field);
duke@435:   st->print_cr(" - non-static fields:");
duke@435:   FieldPrinter print_nonstatic_field(st, obj);
duke@435:   ik->do_nonstatic_fields(&print_nonstatic_field);
duke@435: 
duke@435:   st->print(" - static oop maps:     ");
duke@435:   if (ik->static_oop_field_size() > 0) {
duke@435:     int first_offset = ik->offset_of_static_fields();
duke@435:     st->print("%d-%d", first_offset, first_offset + ik->static_oop_field_size() - 1);
duke@435:   }
duke@435:   st->cr();
duke@435: 
duke@435:   st->print(" - non-static oop maps: ");
duke@435:   OopMapBlock* map     = ik->start_of_nonstatic_oop_maps();
duke@435:   OopMapBlock* end_map = map + ik->nonstatic_oop_map_size();
duke@435:   while (map < end_map) {
kvn@600:     st->print("%d-%d ", map->offset(), map->offset() + heapOopSize*(map->length() - 1));
duke@435:     map++;
duke@435:   }
duke@435:   st->cr();
duke@435: }
duke@435: 
duke@435: 
duke@435: void instanceKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
duke@435:   assert(obj->is_klass(), "must be klass");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   ik->name()->print_value_on(st);
duke@435: }
duke@435: 
duke@435: #endif // PRODUCT
duke@435: 
duke@435: const char* instanceKlassKlass::internal_name() const {
duke@435:   return "{instance class}";
duke@435: }
duke@435: 
duke@435: // Verification
duke@435: 
duke@435: class VerifyFieldClosure: public OopClosure {
coleenp@548:  protected:
coleenp@548:   template <class T> void do_oop_work(T* p) {
coleenp@548:     guarantee(Universe::heap()->is_in(p), "should be in heap");
coleenp@548:     oop obj = oopDesc::load_decode_heap_oop(p);
coleenp@548:     guarantee(obj->is_oop_or_null(), "should be in heap");
coleenp@548:   }
duke@435:  public:
coleenp@548:   virtual void do_oop(oop* p)       { VerifyFieldClosure::do_oop_work(p); }
coleenp@548:   virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); }
duke@435: };
duke@435: 
duke@435: void instanceKlassKlass::oop_verify_on(oop obj, outputStream* st) {
duke@435:   klassKlass::oop_verify_on(obj, st);
duke@435:   if (!obj->partially_loaded()) {
duke@435:     Thread *thread = Thread::current();
duke@435:     instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435: 
duke@435: #ifndef PRODUCT
duke@435:     // Avoid redundant verifies
duke@435:     if (ik->_verify_count == Universe::verify_count()) return;
duke@435:     ik->_verify_count = Universe::verify_count();
duke@435: #endif
duke@435:     // Verify that klass is present in SystemDictionary
duke@435:     if (ik->is_loaded()) {
duke@435:       symbolHandle h_name (thread, ik->name());
duke@435:       Handle h_loader (thread, ik->class_loader());
duke@435:       Handle h_obj(thread, obj);
duke@435:       SystemDictionary::verify_obj_klass_present(h_obj, h_name, h_loader);
duke@435:     }
duke@435: 
duke@435:     // Verify static fields
duke@435:     VerifyFieldClosure blk;
duke@435:     ik->iterate_static_fields(&blk);
duke@435: 
duke@435:     // Verify vtables
duke@435:     if (ik->is_linked()) {
duke@435:       ResourceMark rm(thread);
duke@435:       // $$$ This used to be done only for m/s collections.  Doing it
duke@435:       // always seemed a valid generalization.  (DLD -- 6/00)
duke@435:       ik->vtable()->verify(st);
duke@435:     }
duke@435: 
duke@435:     // Verify oop map cache
duke@435:     if (ik->oop_map_cache() != NULL) {
duke@435:       ik->oop_map_cache()->verify();
duke@435:     }
duke@435: 
duke@435:     // Verify first subklass
duke@435:     if (ik->subklass_oop() != NULL) {
duke@435:       guarantee(ik->subklass_oop()->is_perm(),  "should be in permspace");
duke@435:       guarantee(ik->subklass_oop()->is_klass(), "should be klass");
duke@435:     }
duke@435: 
duke@435:     // Verify siblings
duke@435:     klassOop super = ik->super();
duke@435:     Klass* sib = ik->next_sibling();
duke@435:     int sib_count = 0;
duke@435:     while (sib != NULL) {
duke@435:       if (sib == ik) {
duke@435:         fatal1("subclass cycle of length %d", sib_count);
duke@435:       }
duke@435:       if (sib_count >= 100000) {
duke@435:         fatal1("suspiciously long subclass list %d", sib_count);
duke@435:       }
duke@435:       guarantee(sib->as_klassOop()->is_klass(), "should be klass");
duke@435:       guarantee(sib->as_klassOop()->is_perm(),  "should be in permspace");
duke@435:       guarantee(sib->super() == super, "siblings should have same superklass");
duke@435:       sib = sib->next_sibling();
duke@435:     }
duke@435: 
duke@435:     // Verify implementor fields
duke@435:     bool saw_null_impl = false;
duke@435:     for (int i = 0; i < instanceKlass::implementors_limit; i++) {
duke@435:       klassOop im = ik->implementor(i);
duke@435:       if (im == NULL) { saw_null_impl = true; continue; }
duke@435:       guarantee(!saw_null_impl, "non-nulls must preceded all nulls");
duke@435:       guarantee(ik->is_interface(), "only interfaces should have implementor set");
duke@435:       guarantee(i < ik->nof_implementors(), "should only have one implementor");
duke@435:       guarantee(im->is_perm(),  "should be in permspace");
duke@435:       guarantee(im->is_klass(), "should be klass");
duke@435:       guarantee(!Klass::cast(klassOop(im))->is_interface(), "implementors cannot be interfaces");
duke@435:     }
duke@435: 
duke@435:     // Verify local interfaces
duke@435:     objArrayOop local_interfaces = ik->local_interfaces();
duke@435:     guarantee(local_interfaces->is_perm(),          "should be in permspace");
duke@435:     guarantee(local_interfaces->is_objArray(),      "should be obj array");
duke@435:     int j;
duke@435:     for (j = 0; j < local_interfaces->length(); j++) {
duke@435:       oop e = local_interfaces->obj_at(j);
duke@435:       guarantee(e->is_klass() && Klass::cast(klassOop(e))->is_interface(), "invalid local interface");
duke@435:     }
duke@435: 
duke@435:     // Verify transitive interfaces
duke@435:     objArrayOop transitive_interfaces = ik->transitive_interfaces();
duke@435:     guarantee(transitive_interfaces->is_perm(),          "should be in permspace");
duke@435:     guarantee(transitive_interfaces->is_objArray(),      "should be obj array");
duke@435:     for (j = 0; j < transitive_interfaces->length(); j++) {
duke@435:       oop e = transitive_interfaces->obj_at(j);
duke@435:       guarantee(e->is_klass() && Klass::cast(klassOop(e))->is_interface(), "invalid transitive interface");
duke@435:     }
duke@435: 
duke@435:     // Verify methods
duke@435:     objArrayOop methods = ik->methods();
duke@435:     guarantee(methods->is_perm(),              "should be in permspace");
duke@435:     guarantee(methods->is_objArray(),          "should be obj array");
duke@435:     for (j = 0; j < methods->length(); j++) {
duke@435:       guarantee(methods->obj_at(j)->is_method(), "non-method in methods array");
duke@435:     }
duke@435:     for (j = 0; j < methods->length() - 1; j++) {
duke@435:       methodOop m1 = methodOop(methods->obj_at(j));
duke@435:       methodOop m2 = methodOop(methods->obj_at(j + 1));
duke@435:       guarantee(m1->name()->fast_compare(m2->name()) <= 0, "methods not sorted correctly");
duke@435:     }
duke@435: 
duke@435:     // Verify method ordering
duke@435:     typeArrayOop method_ordering = ik->method_ordering();
duke@435:     guarantee(method_ordering->is_perm(),              "should be in permspace");
duke@435:     guarantee(method_ordering->is_typeArray(),         "should be type array");
duke@435:     int length = method_ordering->length();
duke@435:     if (JvmtiExport::can_maintain_original_method_order()) {
duke@435:       guarantee(length == methods->length(),           "invalid method ordering length");
duke@435:       jlong sum = 0;
duke@435:       for (j = 0; j < length; j++) {
duke@435:         int original_index = method_ordering->int_at(j);
duke@435:         guarantee(original_index >= 0 && original_index < length, "invalid method ordering index");
duke@435:         sum += original_index;
duke@435:       }
duke@435:       // Verify sum of indices 0,1,...,length-1
duke@435:       guarantee(sum == ((jlong)length*(length-1))/2,   "invalid method ordering sum");
duke@435:     } else {
duke@435:       guarantee(length == 0,                           "invalid method ordering length");
duke@435:     }
duke@435: 
duke@435:     // Verify JNI static field identifiers
duke@435:     if (ik->jni_ids() != NULL) {
duke@435:       ik->jni_ids()->verify(ik->as_klassOop());
duke@435:     }
duke@435: 
duke@435:     // Verify other fields
duke@435:     if (ik->array_klasses() != NULL) {
duke@435:       guarantee(ik->array_klasses()->is_perm(),      "should be in permspace");
duke@435:       guarantee(ik->array_klasses()->is_klass(),     "should be klass");
duke@435:     }
duke@435:     guarantee(ik->fields()->is_perm(),               "should be in permspace");
duke@435:     guarantee(ik->fields()->is_typeArray(),          "should be type array");
duke@435:     guarantee(ik->constants()->is_perm(),            "should be in permspace");
duke@435:     guarantee(ik->constants()->is_constantPool(),    "should be constant pool");
duke@435:     guarantee(ik->inner_classes()->is_perm(),        "should be in permspace");
duke@435:     guarantee(ik->inner_classes()->is_typeArray(),   "should be type array");
duke@435:     if (ik->source_file_name() != NULL) {
duke@435:       guarantee(ik->source_file_name()->is_perm(),   "should be in permspace");
duke@435:       guarantee(ik->source_file_name()->is_symbol(), "should be symbol");
duke@435:     }
duke@435:     if (ik->source_debug_extension() != NULL) {
duke@435:       guarantee(ik->source_debug_extension()->is_perm(),   "should be in permspace");
duke@435:       guarantee(ik->source_debug_extension()->is_symbol(), "should be symbol");
duke@435:     }
duke@435:     if (ik->protection_domain() != NULL) {
duke@435:       guarantee(ik->protection_domain()->is_oop(),  "should be oop");
duke@435:     }
duke@435:     if (ik->signers() != NULL) {
duke@435:       guarantee(ik->signers()->is_objArray(),       "should be obj array");
duke@435:     }
duke@435:     if (ik->generic_signature() != NULL) {
duke@435:       guarantee(ik->generic_signature()->is_perm(),   "should be in permspace");
duke@435:       guarantee(ik->generic_signature()->is_symbol(), "should be symbol");
duke@435:     }
duke@435:     if (ik->class_annotations() != NULL) {
duke@435:       guarantee(ik->class_annotations()->is_typeArray(), "should be type array");
duke@435:     }
duke@435:     if (ik->fields_annotations() != NULL) {
duke@435:       guarantee(ik->fields_annotations()->is_objArray(), "should be obj array");
duke@435:     }
duke@435:     if (ik->methods_annotations() != NULL) {
duke@435:       guarantee(ik->methods_annotations()->is_objArray(), "should be obj array");
duke@435:     }
duke@435:     if (ik->methods_parameter_annotations() != NULL) {
duke@435:       guarantee(ik->methods_parameter_annotations()->is_objArray(), "should be obj array");
duke@435:     }
duke@435:     if (ik->methods_default_annotations() != NULL) {
duke@435:       guarantee(ik->methods_default_annotations()->is_objArray(), "should be obj array");
duke@435:     }
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: bool instanceKlassKlass::oop_partially_loaded(oop obj) const {
duke@435:   assert(obj->is_klass(), "object must be klass");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   assert(ik->oop_is_instance(), "object must be instanceKlass");
duke@435:   return ik->transitive_interfaces() == (objArrayOop) obj;   // Check whether transitive_interfaces points to self
duke@435: }
duke@435: 
duke@435: 
duke@435: // The transitive_interfaces is the last field set when loading an object.
duke@435: void instanceKlassKlass::oop_set_partially_loaded(oop obj) {
duke@435:   assert(obj->is_klass(), "object must be klass");
duke@435:   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
duke@435:   // Set the layout helper to a place-holder value, until fuller initialization.
duke@435:   // (This allows asserts in oop_is_instance to succeed.)
duke@435:   ik->set_layout_helper(Klass::instance_layout_helper(0, true));
duke@435:   assert(ik->oop_is_instance(), "object must be instanceKlass");
duke@435:   assert(ik->transitive_interfaces() == NULL, "just checking");
duke@435:   ik->set_transitive_interfaces((objArrayOop) obj);   // Temporarily set transitive_interfaces to point to self
duke@435: }