Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/memory/iterator.cpp@1526a938e670 (annotated)
src/share/vm/memory/iterator.cpp
Thu, 26 Jun 2014 11:36:58 +0200
- author
- mgerdin
- date
- Thu, 26 Jun 2014 11:36:58 +0200
- changeset 6990
- 1526a938e670
- parent 6982
- 4c1b88a53c74
- child 6992
- 2c6ef90f030a
- permissions
- -rw-r--r--
8047818: G1 HeapRegions can no longer be ContiguousSpaces
Summary: Change parent of G1OffsetTableContigSpace to CompactibleSpace, reimplement missing functionality
Reviewed-by: stefank, jmasa, tschatzl
| duke@435 | 1 | /* |
| mikael@6198 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #include "precompiled.hpp" |
| stefank@2314 | 26 | #include "memory/iterator.hpp" |
| stefank@2314 | 27 | #include "oops/oop.inline.hpp" |
| duke@435 | 28 | |
| stefank@4050 | 29 | void KlassToOopClosure::do_klass(Klass* k) { |
| stefank@6982 | 30 | assert(_oop_closure != NULL, "Not initialized?"); |
| stefank@4050 | 31 | k->oops_do(_oop_closure); |
| stefank@4050 | 32 | } |
| stefank@4050 | 33 | |
| stefank@4298 | 34 | void CLDToOopClosure::do_cld(ClassLoaderData* cld) { |
| stefank@4298 | 35 | cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld); |
| stefank@4298 | 36 | } |
| stefank@4298 | 37 | |
| duke@435 | 38 | void ObjectToOopClosure::do_object(oop obj) { |
| duke@435 | 39 | obj->oop_iterate(_cl); |
| duke@435 | 40 | } |
| duke@435 | 41 | |
| duke@435 | 42 | void VoidClosure::do_void() { |
| duke@435 | 43 | ShouldNotCallThis(); |
| duke@435 | 44 | } |
| jmasa@1370 | 45 | |
| jrose@1424 | 46 | MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate) |
| jrose@1424 | 47 | : _active(activate) |
| jrose@1424 | 48 | { |
| jrose@1424 | 49 | if (_active) nmethod::oops_do_marking_prologue(); |
| jrose@1424 | 50 | } |
| jrose@1424 | 51 | |
| jrose@1424 | 52 | MarkingCodeBlobClosure::MarkScope::~MarkScope() { |
| jrose@1424 | 53 | if (_active) nmethod::oops_do_marking_epilogue(); |
| jrose@1424 | 54 | } |
| jrose@1424 | 55 | |
| jrose@1424 | 56 | void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) { |
| twisti@1918 | 57 | nmethod* nm = cb->as_nmethod_or_null(); |
| twisti@1918 | 58 | if (nm == NULL) return; |
| jrose@1424 | 59 | if (!nm->test_set_oops_do_mark()) { |
| jrose@1424 | 60 | NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, 1st visit\n")); |
| jrose@1424 | 61 | do_newly_marked_nmethod(nm); |
| jrose@1424 | 62 | } else { |
| jrose@1424 | 63 | NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, skipped on 2nd visit\n")); |
| jrose@1424 | 64 | } |
| jrose@1424 | 65 | } |
| jrose@1424 | 66 | |
| jrose@1429 | 67 | void CodeBlobToOopClosure::do_newly_marked_nmethod(nmethod* nm) { |
| johnc@5548 | 68 | nm->oops_do(_cl, /*allow_zombie=*/ false); |
| jrose@1424 | 69 | } |
| jrose@1424 | 70 | |
| jrose@1424 | 71 | void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) { |
| jrose@1424 | 72 | if (!_do_marking) { |
| twisti@1918 | 73 | nmethod* nm = cb->as_nmethod_or_null(); |
| twisti@1918 | 74 | NOT_PRODUCT(if (TraceScavenge && Verbose && nm != NULL) nm->print_on(tty, "oops_do, unmarked visit\n")); |
| jrose@1424 | 75 | // This assert won't work, since there are lots of mini-passes |
| jrose@1424 | 76 | // (mostly in debug mode) that co-exist with marking phases. |
| jrose@1424 | 77 | //assert(!(cb->is_nmethod() && ((nmethod*)cb)->test_oops_do_mark()), "found marked nmethod during mark-free phase"); |
| twisti@1918 | 78 | if (nm != NULL) { |
| twisti@1918 | 79 | nm->oops_do(_cl); |
| twisti@1918 | 80 | } |
| jrose@1424 | 81 | } else { |
| jrose@1424 | 82 | MarkingCodeBlobClosure::do_code_blob(cb); |
| jrose@1424 | 83 | } |
| jrose@1424 | 84 | } |
| jrose@1424 | 85 | |
| jrose@1424 | 86 |
