truffle: src/share/vm/gc_implementation/shared/markSweep.inline.hpp annotate

annotate src/share/vm/gc_implementation/shared/markSweep.inline.hpp @ 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	894b1d7c7e01
children	7913e93dca52

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	2 * Copyright (c) 2000, 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: 1311 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1311 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: 1311 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: 1836 diff changeset	25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_MARKSWEEP_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_MARKSWEEP_INLINE_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	28 #include "gc_implementation/shared/markSweep.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	29 #include "gc_interface/collectedHeap.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	30 #include "utilities/stack.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	31 #ifndef SERIALGC
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	32 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	33 #endif
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	34
0 a61af66fc99e Initial load duke parents: diff changeset	35 inline void MarkSweep::mark_object(oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	36 // some marks may contain information we need to preserve so we store them away
a61af66fc99e Initial load duke parents: diff changeset	37 // and overwrite the mark. We'll restore it at the end of markSweep.
a61af66fc99e Initial load duke parents: diff changeset	38 markOop mark = obj->mark();
a61af66fc99e Initial load duke parents: diff changeset	39 obj->set_mark(markOopDesc::prototype()->set_marked());
a61af66fc99e Initial load duke parents: diff changeset	40
a61af66fc99e Initial load duke parents: diff changeset	41 if (mark->must_be_preserved(obj)) {
a61af66fc99e Initial load duke parents: diff changeset	42 preserve_mark(obj, mark);
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
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	46 template <class T> inline void MarkSweep::follow_root(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	47 assert(!Universe::heap()->is_in_reserved(p),
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	48 "roots shouldn't be things within the heap");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	49 #ifdef VALIDATE_MARK_SWEEP
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	50 if (ValidateMarkSweep) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	51 guarantee(!_root_refs_stack->contains(p), "should only be in here once");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	52 _root_refs_stack->push(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	53 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	54 #endif
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	55 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	56 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	57 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	58 if (!obj->mark()->is_marked()) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	59 mark_object(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	60 obj->follow_contents();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	61 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	62 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	63 follow_stack();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	64 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	65
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	66 template <class T> inline void MarkSweep::mark_and_follow(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	67 // assert(Universe::heap()->is_in_reserved(p), "should be in object space");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	68 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	69 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	70 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	71 if (!obj->mark()->is_marked()) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	72 mark_object(obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	73 obj->follow_contents();
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 }
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 template <class T> inline void MarkSweep::mark_and_push(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	79 // assert(Universe::heap()->is_in_reserved(p), "should be in object space");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	80 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	81 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	82 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	83 if (!obj->mark()->is_marked()) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	84 mark_object(obj);
1836 894b1d7c7e01 6423256: GC stacks should use a better data structure jcoomes parents: 1552 diff changeset	85 _marking_stack.push(obj);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	86 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	87 }
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
1311 2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 374 diff changeset	90 void MarkSweep::push_objarray(oop obj, size_t index) {
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 374 diff changeset	91 ObjArrayTask task(obj, index);
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 374 diff changeset	92 assert(task.is_valid(), "bad ObjArrayTask");
1836 894b1d7c7e01 6423256: GC stacks should use a better data structure jcoomes parents: 1552 diff changeset	93 _objarray_stack.push(task);
1311 2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 374 diff changeset	94 }
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 374 diff changeset	95
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	96 template <class T> inline void MarkSweep::adjust_pointer(T* p, bool isroot) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	97 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	98 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	99 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	100 oop new_obj = oop(obj->mark()->decode_pointer());
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	101 assert(new_obj != NULL \|\| // is forwarding ptr?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	102 obj->mark() == markOopDesc::prototype() \|\| // not gc marked?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	103 (UseBiasedLocking && obj->mark()->has_bias_pattern()) \|\|
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	104 // not gc marked?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	105 obj->is_shared(), // never forwarded?
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	106 "should be forwarded");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	107 if (new_obj != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	108 assert(Universe::heap()->is_in_reserved(new_obj),
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	109 "should be in object space");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	110 oopDesc::encode_store_heap_oop_not_null(p, new_obj);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	111 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	112 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	113 VALIDATE_MARK_SWEEP_ONLY(track_adjusted_pointer(p, isroot));
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	114 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	115
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	116 template <class T> inline void MarkSweep::KeepAliveClosure::do_oop_work(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	117 #ifdef VALIDATE_MARK_SWEEP
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	118 if (ValidateMarkSweep) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	119 if (!Universe::heap()->is_in_reserved(p)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	120 _root_refs_stack->push(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	121 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	122 _other_refs_stack->push(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	123 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	124 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	125 #endif
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	126 mark_and_push(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	127 }
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	128
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1836 diff changeset	129 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_MARKSWEEP_INLINE_HPP

Mercurial > hg > truffle

annotate src/share/vm/gc_implementation/shared/markSweep.inline.hpp @ 1972:f95d63e2154a