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>
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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#ifndef SHARE_VM_CI_CICLASSLIST_HPP
#define SHARE_VM_CI_CICLASSLIST_HPP
class ciEnv;
class ciObjectFactory;
class ciConstantPoolCache;
class ciField;
class ciConstant;
class ciFlags;
class ciExceptionHandler;
class ciCallProfile;
class ciSignature;
class ciBytecodeStream;
class ciSignatureStream;
class ciExceptionHandlerStream;
class ciTypeFlow;
class ciBaseObject;
class ciObject;
class ciNullObject;
class ciInstance;
class ciCallSite;
class ciMemberName;
class ciMethodHandle;
class ciArray;
class ciObjArray;
class ciTypeArray;
class ciSymbol;
class ciMetadata;
class ciMethod;
class ciMethodData;
class ciReceiverTypeData; // part of ciMethodData
class ciType;
class ciReturnAddress;
class ciKlass;
class ciInstanceKlass;
class ciArrayKlass;
class ciObjArrayKlass;
class ciTypeArrayKlass;
// Simulate Java Language style package-private access with
// friend declarations.
// This is a great idea but gcc and other C++ compilers give an
// error for being friends with yourself, so this macro does not
// compile on some platforms.
// Everyone gives access to ciObjectFactory
#define CI_PACKAGE_ACCESS \
friend class ciObjectFactory; \
friend class VMStructs;
// These are the packages that have access to ciEnv
// Any more access must be given explicitly.
#define CI_PACKAGE_ACCESS_TO \
friend class ciObjectFactory; \
friend class VMStructs; \
friend class ciCallSite; \
friend class ciConstantPoolCache; \
friend class ciField; \
friend class ciConstant; \
friend class ciFlags; \
friend class ciExceptionHandler; \
friend class ciCallProfile; \
friend class ciSignature; \
friend class ciBytecodeStream; \
friend class ciSignatureStream; \
friend class ciExceptionHandlerStream; \
friend class ciObject; \
friend class ciNullObject; \
friend class ciInstance; \
friend class ciMemberName; \
friend class ciMethod; \
friend class ciMethodData; \
friend class ciMethodHandle; \
friend class ciReceiverTypeData; \
friend class ciSymbol; \
friend class ciArray; \
friend class ciObjArray; \
friend class ciMetadata; \
friend class ciTypeArray; \
friend class ciType; \
friend class ciReturnAddress; \
friend class ciKlass; \
friend class ciInstanceKlass; \
friend class ciArrayKlass; \
friend class ciObjArrayKlass; \
friend class ciTypeArrayKlass; \
#endif // SHARE_VM_CI_CICLASSLIST_HPP