truffle: src/share/vm/memory/iterator.cpp annotate

annotate src/share/vm/memory/iterator.cpp @ 20304:a22acf6d7598

8048112: G1 Full GC needs to support the case when the very first region is not available Summary: Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett. Reviewed-by: brutisso

author	tschatzl
date	Mon, 21 Jul 2014 10:00:31 +0200
parents	2c6ef90f030a
children	7848fc12602b

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
17467 55fb97c4c58d 8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013 mikael parents: 12080 diff changeset	2 * Copyright (c) 1997, 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: 1000 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1000 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: 1000 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: 1579 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1579 diff changeset	26 #include "memory/iterator.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1579 diff changeset	27 #include "oops/oop.inline.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	28
6738 ec98e58952b2 7197350: NPG: jvmtiHeapReferenceCallback receives incorrect reference_kind for system class roots stefank parents: 6725 diff changeset	29 void KlassToOopClosure::do_klass(Klass* k) {
20268 4c1b88a53c74 8046670: Make CMS metadata aware closures applicable for other collectors stefank parents: 17467 diff changeset	30 assert(_oop_closure != NULL, "Not initialized?");
6738 ec98e58952b2 7197350: NPG: jvmtiHeapReferenceCallback receives incorrect reference_kind for system class roots stefank parents: 6725 diff changeset	31 k->oops_do(_oop_closure);
ec98e58952b2 7197350: NPG: jvmtiHeapReferenceCallback receives incorrect reference_kind for system class roots stefank parents: 6725 diff changeset	32 }
ec98e58952b2 7197350: NPG: jvmtiHeapReferenceCallback receives incorrect reference_kind for system class roots stefank parents: 6725 diff changeset	33
7179 d0aa87f04bd5 8003720: NPG: Method in interpreter stack frame can be deallocated stefank parents: 6738 diff changeset	34 void CLDToOopClosure::do_cld(ClassLoaderData* cld) {
d0aa87f04bd5 8003720: NPG: Method in interpreter stack frame can be deallocated stefank parents: 6738 diff changeset	35 cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld);
d0aa87f04bd5 8003720: NPG: Method in interpreter stack frame can be deallocated stefank parents: 6738 diff changeset	36 }
d0aa87f04bd5 8003720: NPG: Method in interpreter stack frame can be deallocated stefank parents: 6738 diff changeset	37
20278 2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	38 void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	39 cld->oops_do(_oop_closure, _klass_closure, _must_claim_cld);
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	40 }
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	41
0 a61af66fc99e Initial load duke parents: diff changeset	42 void ObjectToOopClosure::do_object(oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	43 obj->oop_iterate(_cl);
a61af66fc99e Initial load duke parents: diff changeset	44 }
a61af66fc99e Initial load duke parents: diff changeset	45
a61af66fc99e Initial load duke parents: diff changeset	46 void VoidClosure::do_void() {
a61af66fc99e Initial load duke parents: diff changeset	47 ShouldNotCallThis();
a61af66fc99e Initial load duke parents: diff changeset	48 }
935 05f89f00a864 6798898: CMS: bugs related to class unloading jmasa parents: 0 diff changeset	49
20278 2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	50 void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	51 nm->oops_do(_cl);
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	52 if (_fix_relocations) {
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	53 nm->fix_oop_relocations();
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	54 }
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	55 }
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	56
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	57 void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	58 nmethod* nm = cb->as_nmethod_or_null();
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	59 if (nm != NULL) {
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	60 do_nmethod(nm);
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	61 }
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	62 }
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	63
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	64 MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	65 : _active(activate)
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	66 {
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	67 if (_active) nmethod::oops_do_marking_prologue();
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	68 }
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	69
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	70 MarkingCodeBlobClosure::MarkScope::~MarkScope() {
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	71 if (_active) nmethod::oops_do_marking_epilogue();
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	72 }
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	73
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	74 void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
1563 1a5913bf5e19 6951083: oops and relocations should part of nmethod not CodeBlob twisti parents: 1000 diff changeset	75 nmethod* nm = cb->as_nmethod_or_null();
20278 2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	76 if (nm != NULL && !nm->test_set_oops_do_mark()) {
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 20268 diff changeset	77 do_nmethod(nm);
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	78 }
148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 0 diff changeset	79 }

Mercurial > hg > truffle

annotate src/share/vm/memory/iterator.cpp @ 20304:a22acf6d7598