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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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16
hotspot/src/share/vm/memory/iterator.cpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 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
@ -26,10 +26,6 @@
#include "memory/iterator.hpp"
#include "oops/oop.inline.hpp"
#ifdef ASSERT
bool OopClosure::_must_remember_klasses = false;
#endif
void ObjectToOopClosure::do_object(oop obj) {
obj->oop_iterate(_cl);
}
@ -38,16 +34,6 @@ void VoidClosure::do_void() {
ShouldNotCallThis();
}
#ifdef ASSERT
bool OopClosure::must_remember_klasses() {
return _must_remember_klasses;
}
void OopClosure::set_must_remember_klasses(bool v) {
_must_remember_klasses = v;
}
#endif
MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)
: _active(activate)
{