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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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11
hotspot/src/share/vm/memory/specialized_oop_closures.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -54,6 +54,8 @@ class PushOrMarkClosure;
class Par_PushOrMarkClosure;
class CMSKeepAliveClosure;
class CMSInnerParMarkAndPushClosure;
// Misc
class NoHeaderExtendedOopClosure;
// This macro applies an argument macro to all OopClosures for which we
// want specialized bodies of "oop_oop_iterate". The arguments to "f" are:
@ -87,6 +89,7 @@ class CMSInnerParMarkAndPushClosure;
#endif // SERIALGC
#define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) \
f(NoHeaderExtendedOopClosure,_nv) \
SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f) \
SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)
@ -111,7 +114,7 @@ class CMSInnerParMarkAndPushClosure;
// doesn't.
#define ALL_OOP_OOP_ITERATE_CLOSURES_1(f) \
f(OopClosure,_v) \
f(ExtendedOopClosure,_v) \
SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f)
#define ALL_OOP_OOP_ITERATE_CLOSURES_2(f) \
@ -131,7 +134,7 @@ class CMSInnerParMarkAndPushClosure;
f(Par_PushAndMarkClosure,_nv)
#define ALL_PAR_OOP_ITERATE_CLOSURES(f) \
f(OopClosure,_v) \
f(ExtendedOopClosure,_v) \
SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f)
#endif // SERIALGC
@ -195,7 +198,7 @@ class CMSInnerParMarkAndPushClosure;
class SpecializationStats {
public:
enum Kind {
ik, // instanceKlass
ik, // InstanceKlass
irk, // instanceRefKlass
oa, // objArrayKlass
NUM_Kinds