truffle: src/share/vm/gc_implementation/parallelScavenge/psScavenge.inline.hpp annotate

annotate src/share/vm/gc_implementation/parallelScavenge/psScavenge.inline.hpp @ 17866:270d7cb38f40

8038934: Remove prefix allocated_ from methods and variables in Metaspace Reviewed-by: jmasa, coleenp

author	ehelin
date	Mon, 31 Mar 2014 17:09:38 +0200
parents	190899198332
children	78bbf4d43a14

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 10370 diff changeset	2 * Copyright (c) 2002, 2013, 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: 196 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 196 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: 196 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 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSSCAVENGE_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSSCAVENGE_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	28 #include "gc_implementation/parallelScavenge/cardTableExtension.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	29 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	30 #include "gc_implementation/parallelScavenge/psPromotionManager.hpp"
4909 95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	31 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	32 #include "gc_implementation/parallelScavenge/psScavenge.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	33 #include "memory/iterator.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	34
0 a61af66fc99e Initial load duke parents: diff changeset	35 inline void PSScavenge::save_to_space_top_before_gc() {
a61af66fc99e Initial load duke parents: diff changeset	36 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
a61af66fc99e Initial load duke parents: diff changeset	37 _to_space_top_before_gc = heap->young_gen()->to_space()->top();
a61af66fc99e Initial load duke parents: diff changeset	38 }
a61af66fc99e Initial load duke parents: diff changeset	39
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	40 template <class T> inline bool PSScavenge::should_scavenge(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	41 T heap_oop = oopDesc::load_heap_oop(p);
10370 47bdfb3d010f 8015486: PSScavenge::is_obj_in_young is unnecessarily slow with UseCompressedOops stefank parents: 6725 diff changeset	42 return PSScavenge::is_obj_in_young(heap_oop);
0 a61af66fc99e Initial load duke parents: diff changeset	43 }
a61af66fc99e Initial load duke parents: diff changeset	44
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	45 template <class T>
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	46 inline bool PSScavenge::should_scavenge(T* p, MutableSpace* to_space) {
0 a61af66fc99e Initial load duke parents: diff changeset	47 if (should_scavenge(p)) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	48 oop obj = oopDesc::load_decode_heap_oop_not_null(p);
0 a61af66fc99e Initial load duke parents: diff changeset	49 // Skip objects copied to to_space since the scavenge started.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	50 HeapWord* const addr = (HeapWord*)obj;
0 a61af66fc99e Initial load duke parents: diff changeset	51 return addr < to_space_top_before_gc() \|\| addr >= to_space->end();
a61af66fc99e Initial load duke parents: diff changeset	52 }
a61af66fc99e Initial load duke parents: diff changeset	53 return false;
a61af66fc99e Initial load duke parents: diff changeset	54 }
a61af66fc99e Initial load duke parents: diff changeset	55
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	56 template <class T>
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	57 inline bool PSScavenge::should_scavenge(T* p, bool check_to_space) {
0 a61af66fc99e Initial load duke parents: diff changeset	58 if (check_to_space) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	59 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
0 a61af66fc99e Initial load duke parents: diff changeset	60 return should_scavenge(p, heap->young_gen()->to_space());
a61af66fc99e Initial load duke parents: diff changeset	61 }
a61af66fc99e Initial load duke parents: diff changeset	62 return should_scavenge(p);
a61af66fc99e Initial load duke parents: diff changeset	63 }
a61af66fc99e Initial load duke parents: diff changeset	64
a61af66fc99e Initial load duke parents: diff changeset	65 // Attempt to "claim" oop at p via CAS, push the new obj if successful
a61af66fc99e Initial load duke parents: diff changeset	66 // This version tests the oop* to make sure it is within the heap before
a61af66fc99e Initial load duke parents: diff changeset	67 // attempting marking.
4909 95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	68 template <class T, bool promote_immediately>
0 a61af66fc99e Initial load duke parents: diff changeset	69 inline void PSScavenge::copy_and_push_safe_barrier(PSPromotionManager* pm,
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	70 T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	71 assert(should_scavenge(p, true), "revisiting object?");
0 a61af66fc99e Initial load duke parents: diff changeset	72
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	73 oop o = oopDesc::load_decode_heap_oop_not_null(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	74 oop new_obj = o->is_forwarded()
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	75 ? o->forwardee()
4909 95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	76 : pm->copy_to_survivor_space<promote_immediately>(o);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	77
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	78 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	79 // This code must come after the CAS test, or it will print incorrect
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	80 // information.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	81 if (TraceScavenge && o->is_forwarded()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	82 gclog_or_tty->print_cr("{%s %s " PTR_FORMAT " -> " PTR_FORMAT " (%d)}",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	83 "forwarding",
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 10370 diff changeset	84 new_obj->klass()->internal_name(), (void )o, (void )new_obj, new_obj->size());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	85 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	86 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	87
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	88 oopDesc::encode_store_heap_oop_not_null(p, new_obj);
0 a61af66fc99e Initial load duke parents: diff changeset	89
a61af66fc99e Initial load duke parents: diff changeset	90 // We cannot mark without test, as some code passes us pointers
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	91 // that are outside the heap. These pointers are either from roots
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	92 // or from metadata.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	93 if ((!PSScavenge::is_obj_in_young((HeapWord*)p)) &&
0 a61af66fc99e Initial load duke parents: diff changeset	94 Universe::heap()->is_in_reserved(p)) {
10370 47bdfb3d010f 8015486: PSScavenge::is_obj_in_young is unnecessarily slow with UseCompressedOops stefank parents: 6725 diff changeset	95 if (PSScavenge::is_obj_in_young(new_obj)) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	96 card_table()->inline_write_ref_field_gc(p, new_obj);
0 a61af66fc99e Initial load duke parents: diff changeset	97 }
a61af66fc99e Initial load duke parents: diff changeset	98 }
a61af66fc99e Initial load duke parents: diff changeset	99 }
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	100
4909 95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	101 template<bool promote_immediately>
95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	102 class PSRootsClosure: public OopClosure {
2379 b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	103 private:
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	104 PSPromotionManager* _promotion_manager;
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	105
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	106 protected:
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	107 template <class T> void do_oop_work(T *p) {
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	108 if (PSScavenge::should_scavenge(p)) {
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	109 // We never card mark roots, maybe call a func without test?
4909 95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	110 PSScavenge::copy_and_push_safe_barrier<T, promote_immediately>(_promotion_manager, p);
2379 b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	111 }
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	112 }
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	113 public:
4909 95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	114 PSRootsClosure(PSPromotionManager* pm) : _promotion_manager(pm) { }
95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	115 void do_oop(oop* p) { PSRootsClosure::do_oop_work(p); }
95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	116 void do_oop(narrowOop* p) { PSRootsClosure::do_oop_work(p); }
2379 b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	117 };
b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 1972 diff changeset	118
4909 95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	119 typedef PSRootsClosure</promote_immediately=/false> PSScavengeRootsClosure;
95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	120 typedef PSRootsClosure</promote_immediately=/true> PSPromoteRootsClosure;
95f6641e38e0 7144296: PS: Optimize nmethods processing iveresov parents: 2426 diff changeset	121
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	122 // Scavenges a single oop in a Klass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	123 class PSScavengeFromKlassClosure: public OopClosure {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	124 private:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	125 PSPromotionManager* _pm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	126 // Used to redirty a scanned klass if it has oops
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	127 // pointing to the young generation after being scanned.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	128 Klass* _scanned_klass;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	129 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	130 PSScavengeFromKlassClosure(PSPromotionManager* pm) : _pm(pm), _scanned_klass(NULL) { }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	131 void do_oop(narrowOop* p) { ShouldNotReachHere(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	132 void do_oop(oop* p) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	133 ParallelScavengeHeap* psh = ParallelScavengeHeap::heap();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	134 assert(!psh->is_in_reserved(p), "GC barrier needed");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	135 if (PSScavenge::should_scavenge(p)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	136 assert(!Universe::heap()->is_in_reserved(p), "Not from meta-data?");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	137 assert(PSScavenge::should_scavenge(p, true), "revisiting object?");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	138
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	139 oop o = *p;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	140 oop new_obj;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	141 if (o->is_forwarded()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	142 new_obj = o->forwardee();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	143 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	144 new_obj = _pm->copy_to_survivor_space</promote_immediately=/false>(o);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	145 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	146 oopDesc::encode_store_heap_oop_not_null(p, new_obj);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	147
10370 47bdfb3d010f 8015486: PSScavenge::is_obj_in_young is unnecessarily slow with UseCompressedOops stefank parents: 6725 diff changeset	148 if (PSScavenge::is_obj_in_young(new_obj)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	149 do_klass_barrier();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	150 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	151 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	152 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	153
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	154 void set_scanned_klass(Klass* klass) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	155 assert(_scanned_klass == NULL \|\| klass == NULL, "Should always only handling one klass at a time");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	156 _scanned_klass = klass;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	157 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	158
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	159 private:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	160 void do_klass_barrier() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	161 assert(_scanned_klass != NULL, "Should not be called without having a scanned klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	162 _scanned_klass->record_modified_oops();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	163 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	164
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	165 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	166
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	167 // Scavenges the oop in a Klass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	168 class PSScavengeKlassClosure: public KlassClosure {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	169 private:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	170 PSScavengeFromKlassClosure _oop_closure;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	171 protected:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	172 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	173 PSScavengeKlassClosure(PSPromotionManager* pm) : _oop_closure(pm) { }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	174 void do_klass(Klass* klass) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	175 // If the klass has not been dirtied we know that there's
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	176 // no references into the young gen and we can skip it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	177
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	178 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	179 if (TraceScavenge) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	180 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	181 gclog_or_tty->print_cr("PSScavengeKlassClosure::do_klass %p, %s, dirty: %s",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	182 klass,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	183 klass->external_name(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	184 klass->has_modified_oops() ? "true" : "false");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	185 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	186 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	187
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	188 if (klass->has_modified_oops()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	189 // Clean the klass since we're going to scavenge all the metadata.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	190 klass->clear_modified_oops();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	191
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	192 // Setup the promotion manager to redirty this klass
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	193 // if references are left in the young gen.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	194 _oop_closure.set_scanned_klass(klass);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	195
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	196 klass->oops_do(&_oop_closure);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	197
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	198 _oop_closure.set_scanned_klass(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	199 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	200 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	201 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 4909 diff changeset	202
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	203 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSSCAVENGE_INLINE_HPP

Mercurial > hg > truffle

annotate src/share/vm/gc_implementation/parallelScavenge/psScavenge.inline.hpp @ 17866:270d7cb38f40