truffle: src/share/vm/oops/instanceRefKlass.cpp annotate

annotate src/share/vm/oops/instanceRefKlass.cpp @ 1972:f95d63e2154a

6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg

author	stefank
date	Tue, 23 Nov 2010 13:22:55 -0800
parents	9d7a8ab3736b
children	7cf1a74771e8

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1144 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1144 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1144 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	26 #include "classfile/javaClasses.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	27 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	28 #include "gc_implementation/shared/markSweep.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	29 #include "gc_interface/collectedHeap.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	30 #include "gc_interface/collectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	31 #include "memory/genCollectedHeap.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	32 #include "memory/genOopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	33 #include "oops/instanceRefKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	34 #include "oops/oop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	35 #include "utilities/preserveException.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	36 #ifndef SERIALGC
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	37 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	38 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	39 #include "gc_implementation/g1/g1RemSet.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	40 #include "gc_implementation/g1/heapRegionSeq.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	41 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	42 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	43 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	44 #include "oops/oop.pcgc.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	45 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	46
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	47 template <class T>
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	48 static void specialized_oop_follow_contents(instanceRefKlass* ref, oop obj) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	49 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj);
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	50 T heap_oop = oopDesc::load_heap_oop(referent_addr);
0 a61af66fc99e Initial load duke parents: diff changeset	51 debug_only(
a61af66fc99e Initial load duke parents: diff changeset	52 if(TraceReferenceGC && PrintGCDetails) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	53 gclog_or_tty->print_cr("instanceRefKlass::oop_follow_contents " INTPTR_FORMAT, obj);
0 a61af66fc99e Initial load duke parents: diff changeset	54 }
a61af66fc99e Initial load duke parents: diff changeset	55 )
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	56 if (!oopDesc::is_null(heap_oop)) {
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	57 oop referent = oopDesc::decode_heap_oop_not_null(heap_oop);
0 a61af66fc99e Initial load duke parents: diff changeset	58 if (!referent->is_gc_marked() &&
a61af66fc99e Initial load duke parents: diff changeset	59 MarkSweep::ref_processor()->
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	60 discover_reference(obj, ref->reference_type())) {
0 a61af66fc99e Initial load duke parents: diff changeset	61 // reference already enqueued, referent will be traversed later
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	62 ref->instanceKlass::oop_follow_contents(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	63 debug_only(
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	64 if(TraceReferenceGC && PrintGCDetails) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	65 gclog_or_tty->print_cr(" Non NULL enqueued " INTPTR_FORMAT, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	66 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	67 )
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	68 return;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	69 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	70 // treat referent as normal oop
0 a61af66fc99e Initial load duke parents: diff changeset	71 debug_only(
a61af66fc99e Initial load duke parents: diff changeset	72 if(TraceReferenceGC && PrintGCDetails) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	73 gclog_or_tty->print_cr(" Non NULL normal " INTPTR_FORMAT, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	74 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	75 )
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	76 MarkSweep::mark_and_push(referent_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	77 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	78 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	79 // treat next as normal oop. next is a link in the pending list.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	80 T* next_addr = (T*)java_lang_ref_Reference::next_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	81 debug_only(
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	82 if(TraceReferenceGC && PrintGCDetails) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	83 gclog_or_tty->print_cr(" Process next as normal " INTPTR_FORMAT, next_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	84 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	85 )
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	86 MarkSweep::mark_and_push(next_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	87 ref->instanceKlass::oop_follow_contents(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	88 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	89
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	90 void instanceRefKlass::oop_follow_contents(oop obj) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	91 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	92 specialized_oop_follow_contents<narrowOop>(this, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	93 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	94 specialized_oop_follow_contents<oop>(this, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	95 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	96 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	97
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	98 #ifndef SERIALGC
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	99 template <class T>
1123 167c2986d91b 6843629: Make current hotspot build part of jdk5 control build phh parents: 948 diff changeset	100 void specialized_oop_follow_contents(instanceRefKlass* ref,
167c2986d91b 6843629: Make current hotspot build part of jdk5 control build phh parents: 948 diff changeset	101 ParCompactionManager* cm,
167c2986d91b 6843629: Make current hotspot build part of jdk5 control build phh parents: 948 diff changeset	102 oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	103 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj);
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	104 T heap_oop = oopDesc::load_heap_oop(referent_addr);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	105 debug_only(
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	106 if(TraceReferenceGC && PrintGCDetails) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	107 gclog_or_tty->print_cr("instanceRefKlass::oop_follow_contents " INTPTR_FORMAT, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	108 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	109 )
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	110 if (!oopDesc::is_null(heap_oop)) {
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	111 oop referent = oopDesc::decode_heap_oop_not_null(heap_oop);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	112 if (PSParallelCompact::mark_bitmap()->is_unmarked(referent) &&
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	113 PSParallelCompact::ref_processor()->
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	114 discover_reference(obj, ref->reference_type())) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	115 // reference already enqueued, referent will be traversed later
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	116 ref->instanceKlass::oop_follow_contents(cm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	117 debug_only(
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	118 if(TraceReferenceGC && PrintGCDetails) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	119 gclog_or_tty->print_cr(" Non NULL enqueued " INTPTR_FORMAT, obj);
0 a61af66fc99e Initial load duke parents: diff changeset	120 }
a61af66fc99e Initial load duke parents: diff changeset	121 )
a61af66fc99e Initial load duke parents: diff changeset	122 return;
a61af66fc99e Initial load duke parents: diff changeset	123 } else {
a61af66fc99e Initial load duke parents: diff changeset	124 // treat referent as normal oop
a61af66fc99e Initial load duke parents: diff changeset	125 debug_only(
a61af66fc99e Initial load duke parents: diff changeset	126 if(TraceReferenceGC && PrintGCDetails) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	127 gclog_or_tty->print_cr(" Non NULL normal " INTPTR_FORMAT, obj);
0 a61af66fc99e Initial load duke parents: diff changeset	128 }
a61af66fc99e Initial load duke parents: diff changeset	129 )
a61af66fc99e Initial load duke parents: diff changeset	130 PSParallelCompact::mark_and_push(cm, referent_addr);
a61af66fc99e Initial load duke parents: diff changeset	131 }
a61af66fc99e Initial load duke parents: diff changeset	132 }
a61af66fc99e Initial load duke parents: diff changeset	133 // treat next as normal oop. next is a link in the pending list.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	134 T* next_addr = (T*)java_lang_ref_Reference::next_addr(obj);
0 a61af66fc99e Initial load duke parents: diff changeset	135 debug_only(
a61af66fc99e Initial load duke parents: diff changeset	136 if(TraceReferenceGC && PrintGCDetails) {
a61af66fc99e Initial load duke parents: diff changeset	137 gclog_or_tty->print_cr(" Process next as normal " INTPTR_FORMAT, next_addr);
a61af66fc99e Initial load duke parents: diff changeset	138 }
a61af66fc99e Initial load duke parents: diff changeset	139 )
a61af66fc99e Initial load duke parents: diff changeset	140 PSParallelCompact::mark_and_push(cm, next_addr);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	141 ref->instanceKlass::oop_follow_contents(cm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	142 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	143
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	144 void instanceRefKlass::oop_follow_contents(ParCompactionManager* cm,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	145 oop obj) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	146 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	147 specialized_oop_follow_contents<narrowOop>(this, cm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	148 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	149 specialized_oop_follow_contents<oop>(this, cm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	150 }
0 a61af66fc99e Initial load duke parents: diff changeset	151 }
a61af66fc99e Initial load duke parents: diff changeset	152 #endif // SERIALGC
a61af66fc99e Initial load duke parents: diff changeset	153
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	154 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	155 template <class T> void trace_reference_gc(const char *s, oop obj,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	156 T* referent_addr,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	157 T* next_addr,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	158 T* discovered_addr) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	159 if(TraceReferenceGC && PrintGCDetails) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	160 gclog_or_tty->print_cr("%s obj " INTPTR_FORMAT, s, (address)obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	161 gclog_or_tty->print_cr(" referent_addr/* " INTPTR_FORMAT " / "
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	162 INTPTR_FORMAT, referent_addr,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	163 referent_addr ?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	164 (address)oopDesc::load_decode_heap_oop(referent_addr) : NULL);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	165 gclog_or_tty->print_cr(" next_addr/* " INTPTR_FORMAT " / "
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	166 INTPTR_FORMAT, next_addr,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	167 next_addr ? (address)oopDesc::load_decode_heap_oop(next_addr) : NULL);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	168 gclog_or_tty->print_cr(" discovered_addr/* " INTPTR_FORMAT " / "
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	169 INTPTR_FORMAT, discovered_addr,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	170 discovered_addr ?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	171 (address)oopDesc::load_decode_heap_oop(discovered_addr) : NULL);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	172 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	173 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	174 #endif
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	175
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	176 template <class T> void specialized_oop_adjust_pointers(instanceRefKlass *ref, oop obj) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	177 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	178 MarkSweep::adjust_pointer(referent_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	179 T* next_addr = (T*)java_lang_ref_Reference::next_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	180 MarkSweep::adjust_pointer(next_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	181 T* discovered_addr = (T*)java_lang_ref_Reference::discovered_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	182 MarkSweep::adjust_pointer(discovered_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	183 debug_only(trace_reference_gc("instanceRefKlass::oop_adjust_pointers", obj,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	184 referent_addr, next_addr, discovered_addr);)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	185 }
0 a61af66fc99e Initial load duke parents: diff changeset	186
a61af66fc99e Initial load duke parents: diff changeset	187 int instanceRefKlass::oop_adjust_pointers(oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	188 int size = size_helper();
a61af66fc99e Initial load duke parents: diff changeset	189 instanceKlass::oop_adjust_pointers(obj);
a61af66fc99e Initial load duke parents: diff changeset	190
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	191 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	192 specialized_oop_adjust_pointers<narrowOop>(this, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	193 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	194 specialized_oop_adjust_pointers<oop>(this, obj);
0 a61af66fc99e Initial load duke parents: diff changeset	195 }
a61af66fc99e Initial load duke parents: diff changeset	196 return size;
a61af66fc99e Initial load duke parents: diff changeset	197 }
a61af66fc99e Initial load duke parents: diff changeset	198
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	199 #define InstanceRefKlass_SPECIALIZED_OOP_ITERATE(T, nv_suffix, contains) \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	200 if (closure->apply_to_weak_ref_discovered_field()) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	201 T* disc_addr = (T*)java_lang_ref_Reference::discovered_addr(obj); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	202 closure->do_oop##nv_suffix(disc_addr); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	203 } \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	204 \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	205 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj); \
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	206 T heap_oop = oopDesc::load_heap_oop(referent_addr); \
df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	207 if (!oopDesc::is_null(heap_oop) && contains(referent_addr)) { \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	208 ReferenceProcessor* rp = closure->_ref_processor; \
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 356 diff changeset	209 oop referent = oopDesc::decode_heap_oop_not_null(heap_oop); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	210 if (!referent->is_gc_marked() && (rp != NULL) && \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	211 rp->discover_reference(obj, reference_type())) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	212 return size; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	213 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	214 /* treat referent as normal oop */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	215 SpecializationStats::record_do_oop_call##nv_suffix(SpecializationStats::irk);\
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	216 closure->do_oop##nv_suffix(referent_addr); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	217 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	218 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	219 /* treat next as normal oop */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	220 T* next_addr = (T*)java_lang_ref_Reference::next_addr(obj); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	221 if (contains(next_addr)) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	222 SpecializationStats::record_do_oop_call##nv_suffix(SpecializationStats::irk); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	223 closure->do_oop##nv_suffix(next_addr); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	224 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	225 return size; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	226
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	227
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	228 template <class T> bool contains(T *t) { return true; }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	229
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	230 // Macro to define instanceRefKlass::oop_oop_iterate for virtual/nonvirtual for
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	231 // all closures. Macros calling macros above for each oop size.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	232
0 a61af66fc99e Initial load duke parents: diff changeset	233 #define InstanceRefKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
a61af66fc99e Initial load duke parents: diff changeset	234 \
a61af66fc99e Initial load duke parents: diff changeset	235 int instanceRefKlass:: \
a61af66fc99e Initial load duke parents: diff changeset	236 oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) { \
a61af66fc99e Initial load duke parents: diff changeset	237 /* Get size before changing pointers */ \
a61af66fc99e Initial load duke parents: diff changeset	238 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\
a61af66fc99e Initial load duke parents: diff changeset	239 \
a61af66fc99e Initial load duke parents: diff changeset	240 int size = instanceKlass::oop_oop_iterate##nv_suffix(obj, closure); \
a61af66fc99e Initial load duke parents: diff changeset	241 \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	242 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	243 InstanceRefKlass_SPECIALIZED_OOP_ITERATE(narrowOop, nv_suffix, contains); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	244 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	245 InstanceRefKlass_SPECIALIZED_OOP_ITERATE(oop, nv_suffix, contains); \
0 a61af66fc99e Initial load duke parents: diff changeset	246 } \
a61af66fc99e Initial load duke parents: diff changeset	247 }
a61af66fc99e Initial load duke parents: diff changeset	248
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	249 #ifndef SERIALGC
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	250 #define InstanceRefKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	251 \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	252 int instanceRefKlass:: \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	253 oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	254 /* Get size before changing pointers */ \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	255 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	256 \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	257 int size = instanceKlass::oop_oop_iterate_backwards##nv_suffix(obj, closure); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	258 \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	259 if (UseCompressedOops) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	260 InstanceRefKlass_SPECIALIZED_OOP_ITERATE(narrowOop, nv_suffix, contains); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	261 } else { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	262 InstanceRefKlass_SPECIALIZED_OOP_ITERATE(oop, nv_suffix, contains); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	263 } \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	264 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	265 #endif // !SERIALGC
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	266
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	267
0 a61af66fc99e Initial load duke parents: diff changeset	268 #define InstanceRefKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \
a61af66fc99e Initial load duke parents: diff changeset	269 \
a61af66fc99e Initial load duke parents: diff changeset	270 int instanceRefKlass:: \
a61af66fc99e Initial load duke parents: diff changeset	271 oop_oop_iterate##nv_suffix##_m(oop obj, \
a61af66fc99e Initial load duke parents: diff changeset	272 OopClosureType* closure, \
a61af66fc99e Initial load duke parents: diff changeset	273 MemRegion mr) { \
a61af66fc99e Initial load duke parents: diff changeset	274 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\
a61af66fc99e Initial load duke parents: diff changeset	275 \
a61af66fc99e Initial load duke parents: diff changeset	276 int size = instanceKlass::oop_oop_iterate##nv_suffix##_m(obj, closure, mr); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	277 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	278 InstanceRefKlass_SPECIALIZED_OOP_ITERATE(narrowOop, nv_suffix, mr.contains); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	279 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	280 InstanceRefKlass_SPECIALIZED_OOP_ITERATE(oop, nv_suffix, mr.contains); \
0 a61af66fc99e Initial load duke parents: diff changeset	281 } \
a61af66fc99e Initial load duke parents: diff changeset	282 }
a61af66fc99e Initial load duke parents: diff changeset	283
a61af66fc99e Initial load duke parents: diff changeset	284 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceRefKlass_OOP_OOP_ITERATE_DEFN)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	285 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceRefKlass_OOP_OOP_ITERATE_DEFN)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	286 #ifndef SERIALGC
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	287 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceRefKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	288 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceRefKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	289 #endif // SERIALGC
0 a61af66fc99e Initial load duke parents: diff changeset	290 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceRefKlass_OOP_OOP_ITERATE_DEFN_m)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	291 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceRefKlass_OOP_OOP_ITERATE_DEFN_m)
0 a61af66fc99e Initial load duke parents: diff changeset	292
a61af66fc99e Initial load duke parents: diff changeset	293 #ifndef SERIALGC
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	294 template <class T>
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	295 void specialized_oop_push_contents(instanceRefKlass *ref,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	296 PSPromotionManager* pm, oop obj) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	297 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	298 if (PSScavenge::should_scavenge(referent_addr)) {
0 a61af66fc99e Initial load duke parents: diff changeset	299 ReferenceProcessor* rp = PSScavenge::reference_processor();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	300 if (rp->discover_reference(obj, ref->reference_type())) {
0 a61af66fc99e Initial load duke parents: diff changeset	301 // reference already enqueued, referent and next will be traversed later
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	302 ref->instanceKlass::oop_push_contents(pm, obj);
0 a61af66fc99e Initial load duke parents: diff changeset	303 return;
a61af66fc99e Initial load duke parents: diff changeset	304 } else {
a61af66fc99e Initial load duke parents: diff changeset	305 // treat referent as normal oop
a61af66fc99e Initial load duke parents: diff changeset	306 pm->claim_or_forward_depth(referent_addr);
a61af66fc99e Initial load duke parents: diff changeset	307 }
a61af66fc99e Initial load duke parents: diff changeset	308 }
a61af66fc99e Initial load duke parents: diff changeset	309 // treat next as normal oop
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	310 T* next_addr = (T*)java_lang_ref_Reference::next_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	311 if (PSScavenge::should_scavenge(next_addr)) {
0 a61af66fc99e Initial load duke parents: diff changeset	312 pm->claim_or_forward_depth(next_addr);
a61af66fc99e Initial load duke parents: diff changeset	313 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	314 ref->instanceKlass::oop_push_contents(pm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	315 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	316
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	317 void instanceRefKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	318 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	319 specialized_oop_push_contents<narrowOop>(this, pm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	320 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	321 specialized_oop_push_contents<oop>(this, pm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	322 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	323 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	324
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	325 template <class T>
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	326 void specialized_oop_update_pointers(instanceRefKlass *ref,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	327 ParCompactionManager* cm, oop obj) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	328 T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	329 PSParallelCompact::adjust_pointer(referent_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	330 T* next_addr = (T*)java_lang_ref_Reference::next_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	331 PSParallelCompact::adjust_pointer(next_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	332 T* discovered_addr = (T*)java_lang_ref_Reference::discovered_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	333 PSParallelCompact::adjust_pointer(discovered_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	334 debug_only(trace_reference_gc("instanceRefKlass::oop_update_ptrs", obj,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	335 referent_addr, next_addr, discovered_addr);)
0 a61af66fc99e Initial load duke parents: diff changeset	336 }
a61af66fc99e Initial load duke parents: diff changeset	337
a61af66fc99e Initial load duke parents: diff changeset	338 int instanceRefKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	339 instanceKlass::oop_update_pointers(cm, obj);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	340 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	341 specialized_oop_update_pointers<narrowOop>(this, cm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	342 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	343 specialized_oop_update_pointers<oop>(this, cm, obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	344 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	345 return size_helper();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	346 }
0 a61af66fc99e Initial load duke parents: diff changeset	347
a61af66fc99e Initial load duke parents: diff changeset	348
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	349 template <class T> void
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	350 specialized_oop_update_pointers(ParCompactionManager* cm, oop obj,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	351 HeapWord* beg_addr, HeapWord* end_addr) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	352 T* p;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	353 T* referent_addr = p = (T*)java_lang_ref_Reference::referent_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	354 PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	355 T* next_addr = p = (T*)java_lang_ref_Reference::next_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	356 PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	357 T* discovered_addr = p = (T*)java_lang_ref_Reference::discovered_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	358 PSParallelCompact::adjust_pointer(p, beg_addr, end_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	359 debug_only(trace_reference_gc("instanceRefKlass::oop_update_ptrs", obj,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	360 referent_addr, next_addr, discovered_addr);)
0 a61af66fc99e Initial load duke parents: diff changeset	361 }
a61af66fc99e Initial load duke parents: diff changeset	362
a61af66fc99e Initial load duke parents: diff changeset	363 int
a61af66fc99e Initial load duke parents: diff changeset	364 instanceRefKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
a61af66fc99e Initial load duke parents: diff changeset	365 HeapWord* beg_addr, HeapWord* end_addr) {
a61af66fc99e Initial load duke parents: diff changeset	366 instanceKlass::oop_update_pointers(cm, obj, beg_addr, end_addr);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	367 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	368 specialized_oop_update_pointers<narrowOop>(cm, obj, beg_addr, end_addr);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	369 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	370 specialized_oop_update_pointers<oop>(cm, obj, beg_addr, end_addr);
0 a61af66fc99e Initial load duke parents: diff changeset	371 }
a61af66fc99e Initial load duke parents: diff changeset	372 return size_helper();
a61af66fc99e Initial load duke parents: diff changeset	373 }
a61af66fc99e Initial load duke parents: diff changeset	374 #endif // SERIALGC
a61af66fc99e Initial load duke parents: diff changeset	375
a61af66fc99e Initial load duke parents: diff changeset	376 void instanceRefKlass::update_nonstatic_oop_maps(klassOop k) {
a61af66fc99e Initial load duke parents: diff changeset	377 // Clear the nonstatic oop-map entries corresponding to referent
a61af66fc99e Initial load duke parents: diff changeset	378 // and nextPending field. They are treated specially by the
a61af66fc99e Initial load duke parents: diff changeset	379 // garbage collector.
a61af66fc99e Initial load duke parents: diff changeset	380 // The discovered field is used only by the garbage collector
a61af66fc99e Initial load duke parents: diff changeset	381 // and is also treated specially.
a61af66fc99e Initial load duke parents: diff changeset	382 instanceKlass* ik = instanceKlass::cast(k);
a61af66fc99e Initial load duke parents: diff changeset	383
a61af66fc99e Initial load duke parents: diff changeset	384 // Check that we have the right class
a61af66fc99e Initial load duke parents: diff changeset	385 debug_only(static bool first_time = true);
1142 4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 948 diff changeset	386 assert(k == SystemDictionary::Reference_klass() && first_time,
0 a61af66fc99e Initial load duke parents: diff changeset	387 "Invalid update of maps");
a61af66fc99e Initial load duke parents: diff changeset	388 debug_only(first_time = false);
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 845 diff changeset	389 assert(ik->nonstatic_oop_map_count() == 1, "just checking");
0 a61af66fc99e Initial load duke parents: diff changeset	390
a61af66fc99e Initial load duke parents: diff changeset	391 OopMapBlock* map = ik->start_of_nonstatic_oop_maps();
a61af66fc99e Initial load duke parents: diff changeset	392
a61af66fc99e Initial load duke parents: diff changeset	393 // Check that the current map is (2,4) - currently points at field with
a61af66fc99e Initial load duke parents: diff changeset	394 // offset 2 (words) and has 4 map entries.
a61af66fc99e Initial load duke parents: diff changeset	395 debug_only(int offset = java_lang_ref_Reference::referent_offset);
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	396 debug_only(unsigned int count = ((java_lang_ref_Reference::discovered_offset -
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	397 java_lang_ref_Reference::referent_offset)/heapOopSize) + 1);
0 a61af66fc99e Initial load duke parents: diff changeset	398
a61af66fc99e Initial load duke parents: diff changeset	399 if (UseSharedSpaces) {
a61af66fc99e Initial load duke parents: diff changeset	400 assert(map->offset() == java_lang_ref_Reference::queue_offset &&
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 845 diff changeset	401 map->count() == 1, "just checking");
0 a61af66fc99e Initial load duke parents: diff changeset	402 } else {
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 845 diff changeset	403 assert(map->offset() == offset && map->count() == count,
0 a61af66fc99e Initial load duke parents: diff changeset	404 "just checking");
a61af66fc99e Initial load duke parents: diff changeset	405
a61af66fc99e Initial load duke parents: diff changeset	406 // Update map to (3,1) - point to offset of 3 (words) with 1 map entry.
a61af66fc99e Initial load duke parents: diff changeset	407 map->set_offset(java_lang_ref_Reference::queue_offset);
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 845 diff changeset	408 map->set_count(1);
0 a61af66fc99e Initial load duke parents: diff changeset	409 }
a61af66fc99e Initial load duke parents: diff changeset	410 }
a61af66fc99e Initial load duke parents: diff changeset	411
a61af66fc99e Initial load duke parents: diff changeset	412
a61af66fc99e Initial load duke parents: diff changeset	413 // Verification
a61af66fc99e Initial load duke parents: diff changeset	414
a61af66fc99e Initial load duke parents: diff changeset	415 void instanceRefKlass::oop_verify_on(oop obj, outputStream* st) {
a61af66fc99e Initial load duke parents: diff changeset	416 instanceKlass::oop_verify_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	417 // Verify referent field
a61af66fc99e Initial load duke parents: diff changeset	418 oop referent = java_lang_ref_Reference::referent(obj);
a61af66fc99e Initial load duke parents: diff changeset	419
a61af66fc99e Initial load duke parents: diff changeset	420 // We should make this general to all heaps
a61af66fc99e Initial load duke parents: diff changeset	421 GenCollectedHeap* gch = NULL;
a61af66fc99e Initial load duke parents: diff changeset	422 if (Universe::heap()->kind() == CollectedHeap::GenCollectedHeap)
a61af66fc99e Initial load duke parents: diff changeset	423 gch = GenCollectedHeap::heap();
a61af66fc99e Initial load duke parents: diff changeset	424
a61af66fc99e Initial load duke parents: diff changeset	425 if (referent != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	426 guarantee(referent->is_oop(), "referent field heap failed");
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	427 if (gch != NULL && !gch->is_in_youngest(obj)) {
0 a61af66fc99e Initial load duke parents: diff changeset	428 // We do a specific remembered set check here since the referent
a61af66fc99e Initial load duke parents: diff changeset	429 // field is not part of the oop mask and therefore skipped by the
a61af66fc99e Initial load duke parents: diff changeset	430 // regular verify code.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	431 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	432 narrowOop* referent_addr = (narrowOop*)java_lang_ref_Reference::referent_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	433 obj->verify_old_oop(referent_addr, true);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	434 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	435 oop* referent_addr = (oop*)java_lang_ref_Reference::referent_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	436 obj->verify_old_oop(referent_addr, true);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	437 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	438 }
0 a61af66fc99e Initial load duke parents: diff changeset	439 }
a61af66fc99e Initial load duke parents: diff changeset	440 // Verify next field
a61af66fc99e Initial load duke parents: diff changeset	441 oop next = java_lang_ref_Reference::next(obj);
a61af66fc99e Initial load duke parents: diff changeset	442 if (next != NULL) {
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	443 guarantee(next->is_oop(), "next field verify failed");
0 a61af66fc99e Initial load duke parents: diff changeset	444 guarantee(next->is_instanceRef(), "next field verify failed");
a61af66fc99e Initial load duke parents: diff changeset	445 if (gch != NULL && !gch->is_in_youngest(obj)) {
a61af66fc99e Initial load duke parents: diff changeset	446 // We do a specific remembered set check here since the next field is
a61af66fc99e Initial load duke parents: diff changeset	447 // not part of the oop mask and therefore skipped by the regular
a61af66fc99e Initial load duke parents: diff changeset	448 // verify code.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	449 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	450 narrowOop* next_addr = (narrowOop*)java_lang_ref_Reference::next_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	451 obj->verify_old_oop(next_addr, true);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	452 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	453 oop* next_addr = (oop*)java_lang_ref_Reference::next_addr(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	454 obj->verify_old_oop(next_addr, true);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	455 }
0 a61af66fc99e Initial load duke parents: diff changeset	456 }
a61af66fc99e Initial load duke parents: diff changeset	457 }
a61af66fc99e Initial load duke parents: diff changeset	458 }
a61af66fc99e Initial load duke parents: diff changeset	459
a61af66fc99e Initial load duke parents: diff changeset	460 void instanceRefKlass::acquire_pending_list_lock(BasicLock *pending_list_basic_lock) {
a61af66fc99e Initial load duke parents: diff changeset	461 // we may enter this with pending exception set
a61af66fc99e Initial load duke parents: diff changeset	462 PRESERVE_EXCEPTION_MARK; // exceptions are never thrown, needed for TRAPS argument
a61af66fc99e Initial load duke parents: diff changeset	463 Handle h_lock(THREAD, java_lang_ref_Reference::pending_list_lock());
a61af66fc99e Initial load duke parents: diff changeset	464 ObjectSynchronizer::fast_enter(h_lock, pending_list_basic_lock, false, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	465 assert(ObjectSynchronizer::current_thread_holds_lock(
a61af66fc99e Initial load duke parents: diff changeset	466 JavaThread::current(), h_lock),
a61af66fc99e Initial load duke parents: diff changeset	467 "Locking should have succeeded");
a61af66fc99e Initial load duke parents: diff changeset	468 if (HAS_PENDING_EXCEPTION) CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	469 }
a61af66fc99e Initial load duke parents: diff changeset	470
a61af66fc99e Initial load duke parents: diff changeset	471 void instanceRefKlass::release_and_notify_pending_list_lock(
a61af66fc99e Initial load duke parents: diff changeset	472 BasicLock *pending_list_basic_lock) {
a61af66fc99e Initial load duke parents: diff changeset	473 // we may enter this with pending exception set
a61af66fc99e Initial load duke parents: diff changeset	474 PRESERVE_EXCEPTION_MARK; // exceptions are never thrown, needed for TRAPS argument
a61af66fc99e Initial load duke parents: diff changeset	475 //
a61af66fc99e Initial load duke parents: diff changeset	476 Handle h_lock(THREAD, java_lang_ref_Reference::pending_list_lock());
a61af66fc99e Initial load duke parents: diff changeset	477 assert(ObjectSynchronizer::current_thread_holds_lock(
a61af66fc99e Initial load duke parents: diff changeset	478 JavaThread::current(), h_lock),
a61af66fc99e Initial load duke parents: diff changeset	479 "Lock should be held");
a61af66fc99e Initial load duke parents: diff changeset	480 // Notify waiters on pending lists lock if there is any reference.
a61af66fc99e Initial load duke parents: diff changeset	481 if (java_lang_ref_Reference::pending_list() != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	482 ObjectSynchronizer::notifyall(h_lock, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	483 }
a61af66fc99e Initial load duke parents: diff changeset	484 ObjectSynchronizer::fast_exit(h_lock(), pending_list_basic_lock, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	485 if (HAS_PENDING_EXCEPTION) CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	486 }

Mercurial > hg > truffle

annotate src/share/vm/oops/instanceRefKlass.cpp @ 1972:f95d63e2154a