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/*
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* Copyright (c) 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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*/
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#ifndef SHARE_GC_SHARED_WEAKPROCESSORPHASES_HPP
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#define SHARE_GC_SHARED_WEAKPROCESSORPHASES_HPP
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#include "memory/allocation.hpp"
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/macros.hpp"
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class BoolObjectClosure;
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class OopClosure;
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class OopStorage;
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class WeakProcessorPhases : AllStatic {
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public:
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typedef void (*Processor)(BoolObjectClosure*, OopClosure*);
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enum Phase {
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// Serial phases.
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JVMTI_ONLY(jvmti COMMA)
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JFR_ONLY(jfr COMMA)
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// OopStorage phases.
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jni,
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vm
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};
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static const uint serial_phase_start = 0;
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static const uint serial_phase_count = jni;
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static const uint oop_storage_phase_start = serial_phase_count;
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static const uint oop_storage_phase_count = (vm + 1) - oop_storage_phase_start;
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static const uint phase_count = serial_phase_count + oop_storage_phase_count;
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static Phase phase(uint value);
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static uint index(Phase phase);
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// Indexes relative to the corresponding phase_start constant.
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static uint serial_index(Phase phase);
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static uint oop_storage_index(Phase phase);
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static bool is_serial(Phase phase);
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static bool is_oop_storage(Phase phase);
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static const char* description(Phase phase);
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static Processor processor(Phase phase); // Precondition: is_serial(phase)
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static OopStorage* oop_storage(Phase phase); // Precondition: is_oop_storage(phase)
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};
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typedef WeakProcessorPhases::Phase WeakProcessorPhase;
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#define FOR_EACH_WEAK_PROCESSOR_PHASE(P) \
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for (WeakProcessorPhase P = static_cast<WeakProcessorPhase>(0); \
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static_cast<uint>(P) < WeakProcessorPhases::phase_count; \
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P = static_cast<WeakProcessorPhase>(static_cast<uint>(P) + 1))
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#define FOR_EACH_WEAK_PROCESSOR_OOP_STORAGE_PHASE(P) \
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for (WeakProcessorPhase P = static_cast<WeakProcessorPhase>(WeakProcessorPhases::oop_storage_phase_start); \
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static_cast<uint>(P) < (WeakProcessorPhases::oop_storage_phase_start + \
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WeakProcessorPhases::oop_storage_phase_count); \
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P = static_cast<WeakProcessorPhase>(static_cast<uint>(P) + 1))
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#endif // SHARE_GC_SHARED_WEAKPROCESSORPHASES_HPP
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