hotspot/src/share/vm/ci/ciFlags.hpp
author dcubed
Wed, 12 Mar 2008 18:07:46 -0700
changeset 221 ec745a0fe922
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure Summary: Add should_not_be_cached() to markOop and methodOop and query that status inOopMapCache::lookup() Reviewed-by: coleenp, sspitsyn, jmasa
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/*
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 * Copyright 1999-2003 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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// ciFlags
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//
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// This class represents klass or method flags.
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class ciFlags VALUE_OBJ_CLASS_SPEC {
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private:
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  friend class ciInstanceKlass;
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  friend class ciField;
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  friend class ciMethod;
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  jint _flags;
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  ciFlags()                  { _flags = 0; }
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  ciFlags(AccessFlags flags) { _flags = flags.as_int(); }
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public:
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  // Java access flags
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  bool is_public      () const         { return (_flags & JVM_ACC_PUBLIC      ) != 0; }
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  bool is_private     () const         { return (_flags & JVM_ACC_PRIVATE     ) != 0; }
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  bool is_protected   () const         { return (_flags & JVM_ACC_PROTECTED   ) != 0; }
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  bool is_static      () const         { return (_flags & JVM_ACC_STATIC      ) != 0; }
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  bool is_final       () const         { return (_flags & JVM_ACC_FINAL       ) != 0; }
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  bool is_synchronized() const         { return (_flags & JVM_ACC_SYNCHRONIZED) != 0; }
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  bool is_super       () const         { return (_flags & JVM_ACC_SUPER       ) != 0; }
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  bool is_volatile    () const         { return (_flags & JVM_ACC_VOLATILE    ) != 0; }
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  bool is_transient   () const         { return (_flags & JVM_ACC_TRANSIENT   ) != 0; }
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  bool is_native      () const         { return (_flags & JVM_ACC_NATIVE      ) != 0; }
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  bool is_interface   () const         { return (_flags & JVM_ACC_INTERFACE   ) != 0; }
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  bool is_abstract    () const         { return (_flags & JVM_ACC_ABSTRACT    ) != 0; }
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  bool is_strict      () const         { return (_flags & JVM_ACC_STRICT      ) != 0; }
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  // Conversion
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  jint   as_int()                      { return _flags; }
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  void print_klass_flags(outputStream* st = tty);
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  void print_member_flags(outputStream* st = tty);
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  void print(outputStream* st = tty);
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};