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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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8
hotspot/src/share/vm/runtime/javaCalls.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2011, 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
@ -26,7 +26,7 @@
#define SHARE_VM_RUNTIME_JAVACALLS_HPP
#include "memory/allocation.hpp"
#include "oops/methodOop.hpp"
#include "oops/method.hpp"
#include "runtime/handles.hpp"
#include "runtime/javaFrameAnchor.hpp"
#include "runtime/vmThread.hpp"
@ -67,7 +67,7 @@ class JavaCallWrapper: StackObj {
private:
JavaThread* _thread; // the thread to which this call belongs
JNIHandleBlock* _handles; // the saved handle block
methodOop _callee_method; // to be able to collect arguments if entry frame is top frame
Method* _callee_method; // to be able to collect arguments if entry frame is top frame
oop _receiver; // the receiver of the call (if a non-static call)
JavaFrameAnchor _anchor; // last thread anchor state that we must restore
@ -87,7 +87,7 @@ class JavaCallWrapper: StackObj {
JavaValue* result() const { return _result; }
// GC support
methodOop callee_method() { return _callee_method; }
Method* callee_method() { return _callee_method; }
oop receiver() { return _receiver; }
void oops_do(OopClosure* f);