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comparison src/share/vm/memory/iterator.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents f95d63e2154a
children ec98e58952b2
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
24 24
25 #include "precompiled.hpp" 25 #include "precompiled.hpp"
26 #include "memory/iterator.hpp" 26 #include "memory/iterator.hpp"
27 #include "oops/oop.inline.hpp" 27 #include "oops/oop.inline.hpp"
28 28
29 #ifdef ASSERT
30 bool OopClosure::_must_remember_klasses = false;
31 #endif
32
33 void ObjectToOopClosure::do_object(oop obj) { 29 void ObjectToOopClosure::do_object(oop obj) {
34 obj->oop_iterate(_cl); 30 obj->oop_iterate(_cl);
35 } 31 }
36 32
37 void VoidClosure::do_void() { 33 void VoidClosure::do_void() {
38 ShouldNotCallThis(); 34 ShouldNotCallThis();
39 } 35 }
40
41 #ifdef ASSERT
42 bool OopClosure::must_remember_klasses() {
43 return _must_remember_klasses;
44 }
45 void OopClosure::set_must_remember_klasses(bool v) {
46 _must_remember_klasses = v;
47 }
48 #endif
49
50 36
51 MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate) 37 MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)
52 : _active(activate) 38 : _active(activate)
53 { 39 {
54 if (_active) nmethod::oops_do_marking_prologue(); 40 if (_active) nmethod::oops_do_marking_prologue();