• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/oops/compiledICHolderKlass.cpp@246d977b51f2 (annotated)

src/share/vm/oops/compiledICHolderKlass.cpp

Mon, 25 Jun 2012 21:33:35 -0400

author

coleenp

date

Mon, 25 Jun 2012 21:33:35 -0400

changeset 3875

246d977b51f2

parent 2534

e5383553fd4e

permissions

-rw-r--r--

7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table
Summary: Cannot delete _buckets and HashtableEntries in shared space (CDS)
Reviewed-by: acorn, kvn, dlong, dcubed, kamg

duke@435	1	/*
stefank@2534	2	* Copyright (c) 1998, 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 "gc_interface/collectedHeap.hpp"
stefank@2314	29	#include "gc_interface/collectedHeap.inline.hpp"
stefank@2314	30	#include "memory/permGen.hpp"
stefank@2314	31	#include "memory/universe.inline.hpp"
stefank@2314	32	#include "oops/compiledICHolderKlass.hpp"
stefank@2314	33	#include "oops/oop.inline.hpp"
stefank@2314	34	#include "oops/oop.inline2.hpp"
stefank@2314	35	#include "runtime/handles.inline.hpp"
stefank@2314	36	#ifndef SERIALGC
stefank@2314	37	#include "oops/oop.pcgc.inline.hpp"
stefank@2314	38	#endif
duke@435	39
duke@435	40	klassOop compiledICHolderKlass::create_klass(TRAPS) {
duke@435	41	compiledICHolderKlass 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
duke@435	47	return k();
duke@435	48	}
duke@435	49
duke@435	50
duke@435	51	compiledICHolderOop compiledICHolderKlass::allocate(TRAPS) {
duke@435	52	KlassHandle h_k(THREAD, as_klassOop());
duke@435	53	int size = compiledICHolderOopDesc::object_size();
duke@435	54	compiledICHolderOop c = (compiledICHolderOop)
duke@435	55	CollectedHeap::permanent_obj_allocate(h_k, size, CHECK_NULL);
duke@435	56	c->set_holder_method(NULL);
duke@435	57	c->set_holder_klass(NULL);
duke@435	58	return c;
duke@435	59	}
duke@435	60
duke@435	61
duke@435	62	int compiledICHolderKlass::oop_size(oop obj) const {
duke@435	63	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	64	return compiledICHolderOop(obj)->object_size();
duke@435	65	}
duke@435	66
duke@435	67	void compiledICHolderKlass::oop_follow_contents(oop obj) {
duke@435	68	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	69	compiledICHolderOop c = compiledICHolderOop(obj);
duke@435	70
duke@435	71	obj->follow_header();
duke@435	72	MarkSweep::mark_and_push(c->adr_holder_method());
duke@435	73	MarkSweep::mark_and_push(c->adr_holder_klass());
duke@435	74	}
duke@435	75
duke@435	76	#ifndef SERIALGC
duke@435	77	void compiledICHolderKlass::oop_follow_contents(ParCompactionManager* cm,
duke@435	78	oop obj) {
duke@435	79	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	80	compiledICHolderOop c = compiledICHolderOop(obj);
duke@435	81
duke@435	82	obj->follow_header(cm);
duke@435	83	PSParallelCompact::mark_and_push(cm, c->adr_holder_method());
duke@435	84	PSParallelCompact::mark_and_push(cm, c->adr_holder_klass());
duke@435	85	}
duke@435	86	#endif // SERIALGC
duke@435	87
duke@435	88
duke@435	89	int compiledICHolderKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
duke@435	90	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	91	compiledICHolderOop c = compiledICHolderOop(obj);
duke@435	92	// Get size before changing pointers.
duke@435	93	// Don't call size() or oop_size() since that is a virtual call.
duke@435	94	int size = c->object_size();
duke@435	95
duke@435	96	obj->oop_iterate_header(blk);
duke@435	97	blk->do_oop(c->adr_holder_method());
duke@435	98	blk->do_oop(c->adr_holder_klass());
duke@435	99	return size;
duke@435	100	}
duke@435	101
duke@435	102	int compiledICHolderKlass::oop_oop_iterate_m(oop obj, OopClosure* blk,
duke@435	103	MemRegion mr) {
duke@435	104	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	105	compiledICHolderOop c = compiledICHolderOop(obj);
duke@435	106	// Get size before changing pointers.
duke@435	107	// Don't call size() or oop_size() since that is a virtual call.
duke@435	108	int size = c->object_size();
duke@435	109
duke@435	110	obj->oop_iterate_header(blk, mr);
duke@435	111
duke@435	112	oop* adr;
duke@435	113	adr = c->adr_holder_method();
duke@435	114	if (mr.contains(adr)) blk->do_oop(adr);
duke@435	115	adr = c->adr_holder_klass();
duke@435	116	if (mr.contains(adr)) blk->do_oop(adr);
duke@435	117	return size;
duke@435	118	}
duke@435	119
duke@435	120
duke@435	121	int compiledICHolderKlass::oop_adjust_pointers(oop obj) {
duke@435	122	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	123	compiledICHolderOop c = compiledICHolderOop(obj);
duke@435	124	// Get size before changing pointers.
duke@435	125	// Don't call size() or oop_size() since that is a virtual call.
duke@435	126	int size = c->object_size();
duke@435	127
duke@435	128	MarkSweep::adjust_pointer(c->adr_holder_method());
duke@435	129	MarkSweep::adjust_pointer(c->adr_holder_klass());
duke@435	130	obj->adjust_header();
duke@435	131	return size;
duke@435	132	}
duke@435	133
duke@435	134	#ifndef SERIALGC
duke@435	135	void compiledICHolderKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
duke@435	136	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	137	}
duke@435	138
duke@435	139	int compiledICHolderKlass::oop_update_pointers(ParCompactionManager* cm,
duke@435	140	oop obj) {
duke@435	141	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	142	compiledICHolderOop c = compiledICHolderOop(obj);
duke@435	143
duke@435	144	PSParallelCompact::adjust_pointer(c->adr_holder_method());
duke@435	145	PSParallelCompact::adjust_pointer(c->adr_holder_klass());
duke@435	146	return c->object_size();
duke@435	147	}
duke@435	148	#endif // SERIALGC
duke@435	149
duke@435	150	// Printing
duke@435	151
duke@435	152	void compiledICHolderKlass::oop_print_on(oop obj, outputStream* st) {
duke@435	153	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	154	Klass::oop_print_on(obj, st);
duke@435	155	compiledICHolderOop c = compiledICHolderOop(obj);
duke@435	156	st->print(" - method: "); c->holder_method()->print_value_on(st); st->cr();
duke@435	157	st->print(" - klass: "); c->holder_klass()->print_value_on(st); st->cr();
duke@435	158	}
duke@435	159
duke@435	160	void compiledICHolderKlass::oop_print_value_on(oop obj, outputStream* st) {
duke@435	161	assert(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	162	Klass::oop_print_value_on(obj, st);
duke@435	163	}
duke@435	164
duke@435	165	const char* compiledICHolderKlass::internal_name() const {
duke@435	166	return "{compiledICHolder}";
duke@435	167	}
duke@435	168
duke@435	169	// Verification
duke@435	170
duke@435	171	void compiledICHolderKlass::oop_verify_on(oop obj, outputStream* st) {
duke@435	172	Klass::oop_verify_on(obj, st);
duke@435	173	guarantee(obj->is_compiledICHolder(), "must be compiledICHolder");
duke@435	174	compiledICHolderOop c = compiledICHolderOop(obj);
duke@435	175	guarantee(c->is_perm(), "should be in permspace");
duke@435	176	guarantee(c->holder_method()->is_perm(), "should be in permspace");
duke@435	177	guarantee(c->holder_method()->is_method(), "should be method");
duke@435	178	guarantee(c->holder_klass()->is_perm(), "should be in permspace");
duke@435	179	guarantee(c->holder_klass()->is_klass(), "should be klass");
duke@435	180	}