truffle: src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp annotate

annotate src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp @ 20212:d7e2d5f2846b

8027553: Change the in_cset_fast_test functionality to use the G1BiasedArray abstraction Summary: Instead of using a manually managed array for the in_cset_fast_test array, use a G1BiasedArray instance. Reviewed-by: brutisso, mgerdin

author	tschatzl
date	Mon, 21 Jul 2014 09:40:19 +0200
parents	ce8f6bb717c9
children	b0c374311c4e

rev	line source
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	1 /*
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17833 diff changeset	2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	4 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	7 * published by the Free Software Foundation.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	8 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	13 * accompanied this code).
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	14 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 752 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 752 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: 752 diff changeset	21 * questions.
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	22 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	23 */
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	28 #include "gc_implementation/g1/concurrentMark.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	29 #include "gc_implementation/g1/g1CollectedHeap.hpp"
2433 abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	30 #include "gc_implementation/g1/g1AllocRegion.inline.hpp"
1973 631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	31 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
17833 bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	32 #include "gc_implementation/g1/g1RemSet.inline.hpp"
12835 69944b868a32 8014555: G1: Memory ordering problem with Conc refinement and card marking mgerdin parents: 12343 diff changeset	33 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
17736 58fc1b1523dc 8034079: G1: Refactor the HeapRegionSet hierarchy brutisso parents: 17467 diff changeset	34 #include "gc_implementation/g1/heapRegionSet.inline.hpp"
2149 7e37af9d69ef 7011379: G1: overly long concurrent marking cycles tonyp parents: 2134 diff changeset	35 #include "gc_implementation/g1/heapRegionSeq.inline.hpp"
20197 ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	36 #include "runtime/orderAccess.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	37 #include "utilities/taskqueue.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	38
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	39 // Inline functions for G1CollectedHeap
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	40
17833 bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	41 // Return the region with the given index. It assumes the index is valid.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	42 inline HeapRegion* G1CollectedHeap::region_at(uint index) const { return _hrs.at(index); }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	43
3766 c3f1170908be 7045330: G1: Simplify/fix the HeapRegionSeq class tonyp parents: 2433 diff changeset	44 template <class T>
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	45 inline HeapRegion*
3766 c3f1170908be 7045330: G1: Simplify/fix the HeapRegionSeq class tonyp parents: 2433 diff changeset	46 G1CollectedHeap::heap_region_containing(const T addr) const {
c3f1170908be 7045330: G1: Simplify/fix the HeapRegionSeq class tonyp parents: 2433 diff changeset	47 HeapRegion* hr = _hrs.addr_to_region((HeapWord*) addr);
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	48 // hr can be null if addr in perm_gen
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	49 if (hr != NULL && hr->continuesHumongous()) {
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	50 hr = hr->humongous_start_region();
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	51 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	52 return hr;
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	53 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	54
3766 c3f1170908be 7045330: G1: Simplify/fix the HeapRegionSeq class tonyp parents: 2433 diff changeset	55 template <class T>
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	56 inline HeapRegion*
3766 c3f1170908be 7045330: G1: Simplify/fix the HeapRegionSeq class tonyp parents: 2433 diff changeset	57 G1CollectedHeap::heap_region_containing_raw(const T addr) const {
c3f1170908be 7045330: G1: Simplify/fix the HeapRegionSeq class tonyp parents: 2433 diff changeset	58 assert(_g1_reserved.contains((const void*) addr), "invariant");
c3f1170908be 7045330: G1: Simplify/fix the HeapRegionSeq class tonyp parents: 2433 diff changeset	59 HeapRegion* res = _hrs.addr_to_region_unsafe((HeapWord*) addr);
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	60 return res;
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	61 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	62
20197 ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	63 inline void G1CollectedHeap::reset_gc_time_stamp() {
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	64 _gc_time_stamp = 0;
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	65 OrderAccess::fence();
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	66 // Clear the cached CSet starting regions and time stamps.
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	67 // Their validity is dependent on the GC timestamp.
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	68 clear_cset_start_regions();
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	69 }
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	70
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	71 inline void G1CollectedHeap::increment_gc_time_stamp() {
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	72 ++_gc_time_stamp;
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	73 OrderAccess::fence();
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	74 }
ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17937 diff changeset	75
17833 bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	76 inline void G1CollectedHeap::old_set_remove(HeapRegion* hr) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	77 _old_set.remove(hr);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	78 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	79
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	80 inline bool G1CollectedHeap::obj_in_cs(oop obj) {
3766 c3f1170908be 7045330: G1: Simplify/fix the HeapRegionSeq class tonyp parents: 2433 diff changeset	81 HeapRegion* r = _hrs.addr_to_region((HeapWord*) obj);
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	82 return r != NULL && r->in_collection_set();
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	83 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	84
1973 631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	85 inline HeapWord*
2433 abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	86 G1CollectedHeap::attempt_allocation(size_t word_size,
8853 2e093b564241 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine mgerdin parents: 6629 diff changeset	87 unsigned int* gc_count_before_ret,
2e093b564241 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine mgerdin parents: 6629 diff changeset	88 int* gclocker_retry_count_ret) {
2134 b158bed62ef5 6994297: G1: do first-level slow-path allocations with a CAS tonyp parents: 1991 diff changeset	89 assert_heap_not_locked_and_not_at_safepoint();
2433 abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	90 assert(!isHumongous(word_size), "attempt_allocation() should not "
abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	91 "be called for humongous allocation requests");
1973 631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	92
2433 abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	93 HeapWord* result = _mutator_alloc_region.attempt_allocation(word_size,
abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	94 false /* bot_updates */);
abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	95 if (result == NULL) {
8853 2e093b564241 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine mgerdin parents: 6629 diff changeset	96 result = attempt_allocation_slow(word_size,
2e093b564241 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine mgerdin parents: 6629 diff changeset	97 gc_count_before_ret,
2e093b564241 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine mgerdin parents: 6629 diff changeset	98 gclocker_retry_count_ret);
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	99 }
2433 abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	100 assert_heap_not_locked();
abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	101 if (result != NULL) {
abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	102 dirty_young_block(result, word_size);
2134 b158bed62ef5 6994297: G1: do first-level slow-path allocations with a CAS tonyp parents: 1991 diff changeset	103 }
2433 abdfc822206f 7023069: G1: Introduce symmetric locking in the slow allocation path tonyp parents: 2152 diff changeset	104 return result;
2134 b158bed62ef5 6994297: G1: do first-level slow-path allocations with a CAS tonyp parents: 1991 diff changeset	105 }
b158bed62ef5 6994297: G1: do first-level slow-path allocations with a CAS tonyp parents: 1991 diff changeset	106
3830 f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	107 inline HeapWord* G1CollectedHeap::survivor_attempt_allocation(size_t
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	108 word_size) {
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	109 assert(!isHumongous(word_size),
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	110 "we should not be seeing humongous-size allocations in this path");
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	111
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	112 HeapWord* result = _survivor_gc_alloc_region.attempt_allocation(word_size,
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	113 false /* bot_updates */);
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	114 if (result == NULL) {
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	115 MutexLockerEx x(FreeList_lock, Mutex::_no_safepoint_check_flag);
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	116 result = _survivor_gc_alloc_region.attempt_allocation_locked(word_size,
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	117 false /* bot_updates */);
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	118 }
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	119 if (result != NULL) {
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	120 dirty_young_block(result, word_size);
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	121 }
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	122 return result;
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	123 }
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	124
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	125 inline HeapWord* G1CollectedHeap::old_attempt_allocation(size_t word_size) {
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	126 assert(!isHumongous(word_size),
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	127 "we should not be seeing humongous-size allocations in this path");
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	128
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	129 HeapWord* result = _old_gc_alloc_region.attempt_allocation(word_size,
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	130 true /* bot_updates */);
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	131 if (result == NULL) {
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	132 MutexLockerEx x(FreeList_lock, Mutex::_no_safepoint_check_flag);
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	133 result = _old_gc_alloc_region.attempt_allocation_locked(word_size,
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	134 true /* bot_updates */);
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	135 }
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	136 return result;
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	137 }
f44782f04dd4 7039627: G1: avoid BOT updates for survivor allocations and dirty survivor regions incrementally tonyp parents: 3766 diff changeset	138
1973 631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	139 // It dirties the cards that cover the block so that so that the post
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	140 // write barrier never queues anything when updating objects on this
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	141 // block. It is assumed (and in fact we assert) that the block
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	142 // belongs to a young region.
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	143 inline void
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	144 G1CollectedHeap::dirty_young_block(HeapWord* start, size_t word_size) {
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	145 assert_heap_not_locked();
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	146
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	147 // Assign the containing region to containing_hr so that we don't
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	148 // have to keep calling heap_region_containing_raw() in the
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	149 // asserts below.
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	150 DEBUG_ONLY(HeapRegion* containing_hr = heap_region_containing_raw(start);)
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	151 assert(containing_hr != NULL && start != NULL && word_size > 0,
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	152 "pre-condition");
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	153 assert(containing_hr->is_in(start), "it should contain start");
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	154 assert(containing_hr->is_young(), "it should be young");
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	155 assert(!containing_hr->isHumongous(), "it should not be humongous");
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	156
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	157 HeapWord* end = start + word_size;
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	158 assert(containing_hr->is_in(end - 1), "it should also contain end - 1");
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	159
631f79e71e90 6974966: G1: unnecessary direct-to-old allocations tonyp parents: 1972 diff changeset	160 MemRegion mr(start, end);
12835 69944b868a32 8014555: G1: Memory ordering problem with Conc refinement and card marking mgerdin parents: 12343 diff changeset	161 g1_barrier_set()->g1_mark_as_young(mr);
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	162 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	163
1709 5f429ee79634 6966222: G1: simplify TaskQueue overflow handling jcoomes parents: 1552 diff changeset	164 inline RefToScanQueue* G1CollectedHeap::task_queue(int i) const {
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	165 return _task_queues->queue(i);
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	166 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	167
6629 c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	168 inline bool G1CollectedHeap::isMarkedPrev(oop obj) const {
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	169 return _cm->prevMarkBitMap()->isMarked((HeapWord *)obj);
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	170 }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	171
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	172 inline bool G1CollectedHeap::isMarkedNext(oop obj) const {
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	173 return _cm->nextMarkBitMap()->isMarked((HeapWord *)obj);
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: diff changeset	174 }
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	175
17833 bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	176
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	177 // This is a fast test on whether a reference points into the
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	178 // collection set or not. Assume that the reference
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	179 // points into the heap.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	180 inline bool G1CollectedHeap::in_cset_fast_test(oop obj) {
20212 d7e2d5f2846b 8027553: Change the in_cset_fast_test functionality to use the G1BiasedArray abstraction tschatzl parents: 20197 diff changeset	181 bool ret = _in_cset_fast_test.get_by_address((HeapWord*)obj);
17833 bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	182 // let's make sure the result is consistent with what the slower
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	183 // test returns
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	184 assert( ret \|\| !obj_in_cs(obj), "sanity");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	185 assert(!ret \|\| obj_in_cs(obj), "sanity");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	186 return ret;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	187 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	188
6629 c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	189 #ifndef PRODUCT
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	190 // Support for G1EvacuationFailureALot
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	191
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	192 inline bool
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	193 G1CollectedHeap::evacuation_failure_alot_for_gc_type(bool gcs_are_young,
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	194 bool during_initial_mark,
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	195 bool during_marking) {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	196 bool res = false;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	197 if (during_marking) {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	198 res \|= G1EvacuationFailureALotDuringConcMark;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	199 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	200 if (during_initial_mark) {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	201 res \|= G1EvacuationFailureALotDuringInitialMark;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	202 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	203 if (gcs_are_young) {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	204 res \|= G1EvacuationFailureALotDuringYoungGC;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	205 } else {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	206 // GCs are mixed
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	207 res \|= G1EvacuationFailureALotDuringMixedGC;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	208 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	209 return res;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	210 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	211
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	212 inline void
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	213 G1CollectedHeap::set_evacuation_failure_alot_for_current_gc() {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	214 if (G1EvacuationFailureALot) {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	215 // Note we can't assert that _evacuation_failure_alot_for_current_gc
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	216 // is clear here. It may have been set during a previous GC but that GC
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	217 // did not copy enough objects (i.e. G1EvacuationFailureALotCount) to
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	218 // trigger an evacuation failure and clear the flags and and counts.
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	219
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	220 // Check if we have gone over the interval.
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	221 const size_t gc_num = total_collections();
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	222 const size_t elapsed_gcs = gc_num - _evacuation_failure_alot_gc_number;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	223
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	224 _evacuation_failure_alot_for_current_gc = (elapsed_gcs >= G1EvacuationFailureALotInterval);
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	225
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	226 // Now check if G1EvacuationFailureALot is enabled for the current GC type.
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	227 const bool gcs_are_young = g1_policy()->gcs_are_young();
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	228 const bool during_im = g1_policy()->during_initial_mark_pause();
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	229 const bool during_marking = mark_in_progress();
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	230
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	231 _evacuation_failure_alot_for_current_gc &=
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	232 evacuation_failure_alot_for_gc_type(gcs_are_young,
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	233 during_im,
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	234 during_marking);
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	235 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	236 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	237
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	238 inline bool
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	239 G1CollectedHeap::evacuation_should_fail() {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	240 if (!G1EvacuationFailureALot \|\| !_evacuation_failure_alot_for_current_gc) {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	241 return false;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	242 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	243 // G1EvacuationFailureALot is in effect for current GC
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	244 // Access to _evacuation_failure_alot_count is not atomic;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	245 // the value does not have to be exact.
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	246 if (++_evacuation_failure_alot_count < G1EvacuationFailureALotCount) {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	247 return false;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	248 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	249 _evacuation_failure_alot_count = 0;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	250 return true;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	251 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	252
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	253 inline void G1CollectedHeap::reset_evacuation_should_fail() {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	254 if (G1EvacuationFailureALot) {
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	255 _evacuation_failure_alot_gc_number = total_collections();
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	256 _evacuation_failure_alot_count = 0;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	257 _evacuation_failure_alot_for_current_gc = false;
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	258 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	259 }
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	260 #endif // #ifndef PRODUCT
c9814fadeb38 7041879: G1: introduce stress testing parameter to cause frequent evacuation failures johnc parents: 3830 diff changeset	261
17833 bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	262 inline bool G1CollectedHeap::is_in_young(const oop obj) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	263 HeapRegion* hr = heap_region_containing(obj);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	264 return hr != NULL && hr->is_young();
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	265 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	266
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	267 // We don't need barriers for initializing stores to objects
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	268 // in the young gen: for the SATB pre-barrier, there is no
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	269 // pre-value that needs to be remembered; for the remembered-set
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	270 // update logging post-barrier, we don't maintain remembered set
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	271 // information for young gen objects.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	272 inline bool G1CollectedHeap::can_elide_initializing_store_barrier(oop new_obj) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	273 return is_in_young(new_obj);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	274 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	275
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	276 inline bool G1CollectedHeap::is_obj_dead(const oop obj) const {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	277 const HeapRegion* hr = heap_region_containing(obj);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	278 if (hr == NULL) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	279 if (obj == NULL) return false;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	280 else return true;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	281 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	282 else return is_obj_dead(obj, hr);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	283 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	284
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	285 inline bool G1CollectedHeap::is_obj_ill(const oop obj) const {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	286 const HeapRegion* hr = heap_region_containing(obj);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	287 if (hr == NULL) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	288 if (obj == NULL) return false;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	289 else return true;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	290 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	291 else return is_obj_ill(obj, hr);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	292 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	293
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	294 template <class T> inline void G1ParScanThreadState::immediate_rs_update(HeapRegion* from, T* p, int tid) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	295 if (!from->is_survivor()) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	296 _g1_rem->par_write_ref(from, p, tid);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	297 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	298 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	299
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	300 template <class T> void G1ParScanThreadState::update_rs(HeapRegion* from, T* p, int tid) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	301 if (G1DeferredRSUpdate) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	302 deferred_rs_update(from, p, tid);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	303 } else {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	304 immediate_rs_update(from, p, tid);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	305 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	306 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	307
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	308
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	309 inline void G1ParScanThreadState::do_oop_partial_array(oop* p) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	310 assert(has_partial_array_mask(p), "invariant");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	311 oop from_obj = clear_partial_array_mask(p);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	312
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	313 assert(Universe::heap()->is_in_reserved(from_obj), "must be in heap.");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	314 assert(from_obj->is_objArray(), "must be obj array");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	315 objArrayOop from_obj_array = objArrayOop(from_obj);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	316 // The from-space object contains the real length.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	317 int length = from_obj_array->length();
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	318
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	319 assert(from_obj->is_forwarded(), "must be forwarded");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	320 oop to_obj = from_obj->forwardee();
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	321 assert(from_obj != to_obj, "should not be chunking self-forwarded objects");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	322 objArrayOop to_obj_array = objArrayOop(to_obj);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	323 // We keep track of the next start index in the length field of the
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	324 // to-space object.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	325 int next_index = to_obj_array->length();
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	326 assert(0 <= next_index && next_index < length,
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	327 err_msg("invariant, next index: %d, length: %d", next_index, length));
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	328
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	329 int start = next_index;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	330 int end = length;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	331 int remainder = end - start;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	332 // We'll try not to push a range that's smaller than ParGCArrayScanChunk.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	333 if (remainder > 2 * ParGCArrayScanChunk) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	334 end = start + ParGCArrayScanChunk;
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	335 to_obj_array->set_length(end);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	336 // Push the remainder before we process the range in case another
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	337 // worker has run out of things to do and can steal it.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	338 oop* from_obj_p = set_partial_array_mask(from_obj);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	339 push_on_queue(from_obj_p);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	340 } else {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	341 assert(length == end, "sanity");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	342 // We'll process the final range for this object. Restore the length
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	343 // so that the heap remains parsable in case of evacuation failure.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	344 to_obj_array->set_length(end);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	345 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	346 _scanner.set_region(_g1h->heap_region_containing_raw(to_obj));
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	347 // Process indexes [start,end). It will also process the header
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	348 // along with the first chunk (i.e., the chunk with start == 0).
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	349 // Note that at this point the length field of to_obj_array is not
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	350 // correct given that we are using it to keep track of the next
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	351 // start index. oop_iterate_range() (thankfully!) ignores the length
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	352 // field and only relies on the start / end parameters. It does
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	353 // however return the size of the object which will be incorrect. So
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	354 // we have to ignore it even if we wanted to use it.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	355 to_obj_array->oop_iterate_range(&_scanner, start, end);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	356 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	357
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	358 template <class T> inline void G1ParScanThreadState::deal_with_reference(T* ref_to_scan) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	359 if (!has_partial_array_mask(ref_to_scan)) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	360 // Note: we can use "raw" versions of "region_containing" because
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	361 // "obj_to_scan" is definitely in the heap, and is not in a
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	362 // humongous region.
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	363 HeapRegion* r = _g1h->heap_region_containing_raw(ref_to_scan);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	364 do_oop_evac(ref_to_scan, r);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	365 } else {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	366 do_oop_partial_array((oop*)ref_to_scan);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	367 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	368 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	369
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	370 inline void G1ParScanThreadState::deal_with_reference(StarTask ref) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	371 assert(verify_task(ref), "sanity");
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	372 if (ref.is_narrow()) {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	373 deal_with_reference((narrowOop*)ref);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	374 } else {
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	375 deal_with_reference((oop*)ref);
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	376 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	377 }
bfdf528be8e8 8038498: Fix includes and C inlining after 8035330 tschatzl parents: 17736 diff changeset	378
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1718 diff changeset	379 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTEDHEAP_INLINE_HPP

Mercurial > hg > truffle

annotate src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp @ 20212:d7e2d5f2846b