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src/share/vm/oops/arrayKlassKlass.cpp@ddd894528dbc (annotated)

src/share/vm/oops/arrayKlassKlass.cpp

Thu, 23 Jun 2011 17:14:06 -0700

author

jrose

date

Thu, 23 Jun 2011 17:14:06 -0700

changeset 2982

ddd894528dbc

parent 2658

c7f3d0b4570f

permissions

-rw-r--r--

7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
Reviewed-by: never

duke@435	1	/*
stefank@2534	2	* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "classfile/javaClasses.hpp"
stefank@2314	27	#include "gc_implementation/shared/markSweep.inline.hpp"
stefank@2314	28	#include "oops/arrayKlassKlass.hpp"
stefank@2314	29	#include "oops/oop.inline.hpp"
stefank@2314	30	#include "runtime/handles.inline.hpp"
never@2658	31	#ifndef SERIALGC
never@2658	32	#include "gc_implementation/parNew/parOopClosures.inline.hpp"
never@2658	33	#include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
never@2658	34	#include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
never@2658	35	#include "memory/cardTableRS.hpp"
never@2658	36	#include "oops/oop.pcgc.inline.hpp"
never@2658	37	#endif
duke@435	38
duke@435	39
duke@435	40	klassOop arrayKlassKlass::create_klass(TRAPS) {
duke@435	41	arrayKlassKlass o;
duke@435	42	KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
duke@435	43	KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
duke@435	44	// Make sure size calculation is right
duke@435	45	assert(k()->size() == align_object_size(header_size()), "wrong size for object");
duke@435	46	java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror, make links
duke@435	47	return k();
duke@435	48	}
duke@435	49
duke@435	50	bool arrayKlassKlass::oop_is_parsable(oop obj) const {
duke@435	51	assert(obj->is_klass(), "must be klass");
duke@435	52	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
duke@435	53	return (!ak->null_vtbl()) && ak->object_is_parsable();
duke@435	54	}
duke@435	55
duke@435	56	void arrayKlassKlass::oop_follow_contents(oop obj) {
duke@435	57	assert(obj->is_klass(), "must be klass");
duke@435	58	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
duke@435	59	MarkSweep::mark_and_push(ak->adr_component_mirror());
duke@435	60	MarkSweep::mark_and_push(ak->adr_lower_dimension());
duke@435	61	MarkSweep::mark_and_push(ak->adr_higher_dimension());
duke@435	62	{
duke@435	63	HandleMark hm;
duke@435	64	ak->vtable()->oop_follow_contents();
duke@435	65	}
duke@435	66	klassKlass::oop_follow_contents(obj);
duke@435	67	}
duke@435	68
duke@435	69	#ifndef SERIALGC
duke@435	70	void arrayKlassKlass::oop_follow_contents(ParCompactionManager* cm,
duke@435	71	oop obj) {
duke@435	72	assert(obj->is_klass(), "must be klass");
duke@435	73	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
duke@435	74	PSParallelCompact::mark_and_push(cm, ak->adr_component_mirror());
duke@435	75	PSParallelCompact::mark_and_push(cm, ak->adr_lower_dimension());
duke@435	76	PSParallelCompact::mark_and_push(cm, ak->adr_higher_dimension());
duke@435	77	{
duke@435	78	HandleMark hm;
duke@435	79	ak->vtable()->oop_follow_contents(cm);
duke@435	80	}
duke@435	81	klassKlass::oop_follow_contents(cm, obj);
duke@435	82	}
duke@435	83	#endif // SERIALGC
duke@435	84
duke@435	85
duke@435	86	int arrayKlassKlass::oop_adjust_pointers(oop obj) {
duke@435	87	assert(obj->is_klass(), "must be klass");
duke@435	88	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
duke@435	89	MarkSweep::adjust_pointer(ak->adr_component_mirror());
duke@435	90	MarkSweep::adjust_pointer(ak->adr_lower_dimension());
duke@435	91	MarkSweep::adjust_pointer(ak->adr_higher_dimension());
duke@435	92	{
duke@435	93	HandleMark hm;
duke@435	94	ak->vtable()->oop_adjust_pointers();
duke@435	95	}
duke@435	96	return klassKlass::oop_adjust_pointers(obj);
duke@435	97	}
duke@435	98
duke@435	99
duke@435	100	int arrayKlassKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
duke@435	101	assert(obj->is_klass(), "must be klass");
duke@435	102	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
duke@435	103	blk->do_oop(ak->adr_component_mirror());
duke@435	104	blk->do_oop(ak->adr_lower_dimension());
duke@435	105	blk->do_oop(ak->adr_higher_dimension());
duke@435	106	ak->vtable()->oop_oop_iterate(blk);
duke@435	107	return klassKlass::oop_oop_iterate(obj, blk);
duke@435	108	}
duke@435	109
duke@435	110
duke@435	111	int arrayKlassKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) {
duke@435	112	assert(obj->is_klass(), "must be klass");
duke@435	113	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
never@2658	114	oop* addr = ak->adr_component_mirror();
never@2658	115	if (mr.contains(addr)) blk->do_oop(addr);
never@2658	116	addr = ak->adr_lower_dimension();
never@2658	117	if (mr.contains(addr)) blk->do_oop(addr);
never@2658	118	addr = ak->adr_higher_dimension();
never@2658	119	if (mr.contains(addr)) blk->do_oop(addr);
duke@435	120	ak->vtable()->oop_oop_iterate_m(blk, mr);
duke@435	121	return klassKlass::oop_oop_iterate_m(obj, blk, mr);
duke@435	122	}
duke@435	123
duke@435	124	#ifndef SERIALGC
duke@435	125	void arrayKlassKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
duke@435	126	assert(obj->blueprint()->oop_is_arrayKlass(),"must be an array klass");
never@2658	127	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
never@2658	128	oop* p = ak->adr_component_mirror();
never@2658	129	if (PSScavenge::should_scavenge(p)) {
never@2658	130	pm->claim_or_forward_depth(p);
never@2658	131	}
never@2658	132	klassKlass::oop_push_contents(pm, obj);
duke@435	133	}
duke@435	134
duke@435	135	int arrayKlassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
duke@435	136	assert(obj->is_klass(), "must be klass");
duke@435	137	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
duke@435	138	PSParallelCompact::adjust_pointer(ak->adr_component_mirror());
duke@435	139	PSParallelCompact::adjust_pointer(ak->adr_lower_dimension());
duke@435	140	PSParallelCompact::adjust_pointer(ak->adr_higher_dimension());
duke@435	141	{
duke@435	142	HandleMark hm;
duke@435	143	ak->vtable()->oop_update_pointers(cm);
duke@435	144	}
duke@435	145	return klassKlass::oop_update_pointers(cm, obj);
duke@435	146	}
duke@435	147	#endif // SERIALGC
duke@435	148
duke@435	149	// Printing
duke@435	150
duke@435	151	void arrayKlassKlass::oop_print_on(oop obj, outputStream* st) {
duke@435	152	assert(obj->is_klass(), "must be klass");
duke@435	153	klassKlass::oop_print_on(obj, st);
duke@435	154	}
duke@435	155
duke@435	156	void arrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
duke@435	157	assert(obj->is_klass(), "must be klass");
duke@435	158	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
duke@435	159	for(int index = 0; index < ak->dimension(); index++) {
duke@435	160	st->print("[]");
duke@435	161	}
duke@435	162	}
duke@435	163
duke@435	164
duke@435	165	const char* arrayKlassKlass::internal_name() const {
duke@435	166	return "{array class}";
duke@435	167	}
duke@435	168
duke@435	169	void arrayKlassKlass::oop_verify_on(oop obj, outputStream* st) {
duke@435	170	klassKlass::oop_verify_on(obj, st);
duke@435	171
duke@435	172	arrayKlass* ak = arrayKlass::cast(klassOop(obj));
duke@435	173	if (!obj->partially_loaded()) {
duke@435	174	if (ak->component_mirror() != NULL)
duke@435	175	guarantee(ak->component_mirror()->klass(), "should have a class");
duke@435	176	if (ak->lower_dimension() != NULL)
duke@435	177	guarantee(ak->lower_dimension()->klass(), "should have a class");
duke@435	178	if (ak->higher_dimension() != NULL)
duke@435	179	guarantee(ak->higher_dimension()->klass(), "should have a class");
duke@435	180	}
duke@435	181	}