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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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14
hotspot/src/share/vm/oops/oop.inline2.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 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
@ -27,25 +27,13 @@
#include "gc_interface/collectedHeap.hpp"
#include "memory/generation.hpp"
#include "memory/permGen.hpp"
#include "memory/universe.hpp"
#include "oops/oop.hpp"
// Implementation of all inlined member functions defined in oop.hpp
// We need a separate file to avoid circular references
// Separate this out to break dependency.
inline bool oopDesc::is_perm() const {
return Universe::heap()->is_in_permanent(this);
}
// Check for NULL also.
inline bool oopDesc::is_perm_or_null() const {
return this == NULL || is_perm();
}
inline bool oopDesc::is_scavengable() const {
return Universe::heap()->is_scavengable(this);
}
#endif // SHARE_VM_OOPS_OOP_INLINE2_HPP