Mercurial > hg > truffle
diff src/share/vm/oops/arrayKlassKlass.cpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 4e6abf09f540 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/oops/arrayKlassKlass.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,190 @@ +/* + * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +# include "incls/_precompiled.incl" +# include "incls/_arrayKlassKlass.cpp.incl" + + +klassOop arrayKlassKlass::create_klass(TRAPS) { + arrayKlassKlass o; + KlassHandle h_this_klass(THREAD, Universe::klassKlassObj()); + KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL); + // Make sure size calculation is right + assert(k()->size() == align_object_size(header_size()), "wrong size for object"); + java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror, make links + return k(); +} + +bool arrayKlassKlass::oop_is_parsable(oop obj) const { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + return (!ak->null_vtbl()) && ak->object_is_parsable(); +} + +void arrayKlassKlass::oop_follow_contents(oop obj) { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + MarkSweep::mark_and_push(ak->adr_component_mirror()); + MarkSweep::mark_and_push(ak->adr_lower_dimension()); + MarkSweep::mark_and_push(ak->adr_higher_dimension()); + { + HandleMark hm; + ak->vtable()->oop_follow_contents(); + } + klassKlass::oop_follow_contents(obj); +} + +#ifndef SERIALGC +void arrayKlassKlass::oop_follow_contents(ParCompactionManager* cm, + oop obj) { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + PSParallelCompact::mark_and_push(cm, ak->adr_component_mirror()); + PSParallelCompact::mark_and_push(cm, ak->adr_lower_dimension()); + PSParallelCompact::mark_and_push(cm, ak->adr_higher_dimension()); + { + HandleMark hm; + ak->vtable()->oop_follow_contents(cm); + } + klassKlass::oop_follow_contents(cm, obj); +} +#endif // SERIALGC + + +int arrayKlassKlass::oop_adjust_pointers(oop obj) { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + MarkSweep::adjust_pointer(ak->adr_component_mirror()); + MarkSweep::adjust_pointer(ak->adr_lower_dimension()); + MarkSweep::adjust_pointer(ak->adr_higher_dimension()); + { + HandleMark hm; + ak->vtable()->oop_adjust_pointers(); + } + return klassKlass::oop_adjust_pointers(obj); +} + + +int arrayKlassKlass::oop_oop_iterate(oop obj, OopClosure* blk) { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + blk->do_oop(ak->adr_component_mirror()); + blk->do_oop(ak->adr_lower_dimension()); + blk->do_oop(ak->adr_higher_dimension()); + ak->vtable()->oop_oop_iterate(blk); + return klassKlass::oop_oop_iterate(obj, blk); +} + + +int arrayKlassKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + blk->do_oop(ak->adr_component_mirror()); + blk->do_oop(ak->adr_lower_dimension()); + blk->do_oop(ak->adr_higher_dimension()); + ak->vtable()->oop_oop_iterate_m(blk, mr); + return klassKlass::oop_oop_iterate_m(obj, blk, mr); +} + +#ifndef SERIALGC +void arrayKlassKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) { + assert(obj->blueprint()->oop_is_arrayKlass(),"must be an array klass"); +} + +void arrayKlassKlass::oop_push_contents(PSPromotionManager* pm, oop obj) { + assert(obj->blueprint()->oop_is_arrayKlass(),"must be an array klass"); +} + +int arrayKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + PSParallelCompact::adjust_pointer(ak->adr_component_mirror()); + PSParallelCompact::adjust_pointer(ak->adr_lower_dimension()); + PSParallelCompact::adjust_pointer(ak->adr_higher_dimension()); + { + HandleMark hm; + ak->vtable()->oop_update_pointers(cm); + } + return klassKlass::oop_update_pointers(cm, obj); +} + +int +arrayKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj, + HeapWord* beg_addr, HeapWord* end_addr) { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + + oop* p; + p = ak->adr_component_mirror(); + PSParallelCompact::adjust_pointer(p, beg_addr, end_addr); + p = ak->adr_lower_dimension(); + PSParallelCompact::adjust_pointer(p, beg_addr, end_addr); + p = ak->adr_higher_dimension(); + PSParallelCompact::adjust_pointer(p, beg_addr, end_addr); + + { + HandleMark hm; + ak->vtable()->oop_update_pointers(cm, beg_addr, end_addr); + } + return klassKlass::oop_update_pointers(cm, obj, beg_addr, end_addr); +} +#endif // SERIALGC + +#ifndef PRODUCT + +// Printing + +void arrayKlassKlass::oop_print_on(oop obj, outputStream* st) { + assert(obj->is_klass(), "must be klass"); + klassKlass::oop_print_on(obj, st); +} + + +void arrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) { + assert(obj->is_klass(), "must be klass"); + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + for(int index = 0; index < ak->dimension(); index++) { + st->print("[]"); + } +} +#endif + + +const char* arrayKlassKlass::internal_name() const { + return "{array class}"; +} + +void arrayKlassKlass::oop_verify_on(oop obj, outputStream* st) { + klassKlass::oop_verify_on(obj, st); + + arrayKlass* ak = arrayKlass::cast(klassOop(obj)); + if (!obj->partially_loaded()) { + if (ak->component_mirror() != NULL) + guarantee(ak->component_mirror()->klass(), "should have a class"); + if (ak->lower_dimension() != NULL) + guarantee(ak->lower_dimension()->klass(), "should have a class"); + if (ak->higher_dimension() != NULL) + guarantee(ak->higher_dimension()->klass(), "should have a class"); + } +}