e7af7a4aef
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com> Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com> Co-authored-by: Kim Barrett <kim.barrett@oracle.com> Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com> Co-authored-by: Rickard Backman <rickard.backman@oracle.com> Co-authored-by: Roland Westrelin <rwestrel@redhat.com> Co-authored-by: Coleen Phillimore <coleen.phillimore@oracle.com> Co-authored-by: Robbin Ehn <robbin.ehn@oracle.com> Co-authored-by: Gerard Ziemski <gerard.ziemski@oracle.com> Co-authored-by: Hugh Wilkinson <hugh.wilkinson@intel.com> Co-authored-by: Sandhya Viswanathan <sandhya.viswanathan@intel.com> Co-authored-by: Bill Wheeler <bill.npo.wheeler@intel.com> Co-authored-by: Vinay K. Awasthi <vinay.k.awasthi@intel.com> Co-authored-by: Yasumasa Suenaga <yasuenag@gmail.com> Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
/*
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* Copyright (c) 2015, 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef SHARE_GC_Z_ZADDRESS_HPP
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#define SHARE_GC_Z_ZADDRESS_HPP
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#include "memory/allocation.hpp"
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class ZAddress : public AllStatic {
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public:
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static bool is_null(uintptr_t value);
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static bool is_bad(uintptr_t value);
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static bool is_good(uintptr_t value);
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static bool is_good_or_null(uintptr_t value);
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static bool is_weak_bad(uintptr_t value);
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static bool is_weak_good(uintptr_t value);
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static bool is_weak_good_or_null(uintptr_t value);
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static bool is_marked(uintptr_t value);
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static bool is_finalizable(uintptr_t value);
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static bool is_remapped(uintptr_t value);
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static uintptr_t address(uintptr_t value);
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static uintptr_t offset(uintptr_t value);
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static uintptr_t good(uintptr_t value);
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static uintptr_t good_or_null(uintptr_t value);
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static uintptr_t finalizable_good(uintptr_t value);
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static uintptr_t marked(uintptr_t value);
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static uintptr_t marked0(uintptr_t value);
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static uintptr_t marked1(uintptr_t value);
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static uintptr_t remapped(uintptr_t value);
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static uintptr_t remapped_or_null(uintptr_t value);
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};
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class ZAddressMasks : public AllStatic {
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friend class ZAddressTest;
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private:
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static void set_good_mask(uintptr_t mask);
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public:
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static void initialize();
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static void flip_to_marked();
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static void flip_to_remapped();
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};
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#endif // SHARE_GC_Z_ZADDRESS_HPP
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