src/hotspot/share/gc/shenandoah/vmStructs_shenandoah.hpp
author zgu
Thu, 14 Mar 2019 09:53:15 -0400
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8220602: Shenandoah-SA: Enable best-effort implementation of heap walk Reviewed-by: rkennke, cjplummer
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/*
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 * Copyright (c) 2018, 2019, Red Hat, Inc. All rights reserved.
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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_SHENANDOAH_VMSTRUCTS_SHENANDOAH_HPP
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#define SHARE_GC_SHENANDOAH_VMSTRUCTS_SHENANDOAH_HPP
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#include "gc/shenandoah/shenandoahHeap.hpp"
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#include "gc/shenandoah/shenandoahHeapRegion.hpp"
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#include "gc/shenandoah/shenandoahMonitoringSupport.hpp"
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#define VM_STRUCTS_SHENANDOAH(nonstatic_field, volatile_nonstatic_field, static_field)                \
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  nonstatic_field(ShenandoahHeap, _num_regions,                    size_t)                            \
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  nonstatic_field(ShenandoahHeap, _regions,                        ShenandoahHeapRegion**)            \
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  nonstatic_field(ShenandoahHeap, _log_min_obj_alignment_in_bytes, int)                               \
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  volatile_nonstatic_field(ShenandoahHeap, _used,                  size_t)                            \
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  volatile_nonstatic_field(ShenandoahHeap, _committed,             size_t)                            \
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  static_field(ShenandoahHeapRegion, RegionSizeBytes,              size_t)                            \
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  static_field(ShenandoahHeapRegion, RegionSizeBytesShift,         size_t)                            \
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  nonstatic_field(ShenandoahHeapRegion, _state,                    ShenandoahHeapRegion::RegionState) \
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  nonstatic_field(ShenandoahHeapRegion, _region_number,            size_t)                            \
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#define VM_INT_CONSTANTS_SHENANDOAH(declare_constant, declare_constant_with_value) \
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  declare_constant(ShenandoahHeapRegion::_empty_uncommitted)                       \
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  declare_constant(ShenandoahHeapRegion::_empty_committed)                         \
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  declare_constant(ShenandoahHeapRegion::_regular)                                 \
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  declare_constant(ShenandoahHeapRegion::_humongous_start)                         \
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  declare_constant(ShenandoahHeapRegion::_humongous_cont)                          \
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  declare_constant(ShenandoahHeapRegion::_pinned_humongous_start)                  \
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  declare_constant(ShenandoahHeapRegion::_cset)                                    \
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  declare_constant(ShenandoahHeapRegion::_pinned)                                  \
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  declare_constant(ShenandoahHeapRegion::_pinned_cset)                             \
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  declare_constant(ShenandoahHeapRegion::_trash)                                   \
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#define VM_TYPES_SHENANDOAH(declare_type,                                     \
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                            declare_toplevel_type,                            \
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                            declare_integer_type)                             \
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  declare_type(ShenandoahHeap, CollectedHeap)                                 \
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  declare_type(ShenandoahHeapRegion, ContiguousSpace)                         \
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  declare_toplevel_type(ShenandoahHeap*)                                      \
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  declare_toplevel_type(ShenandoahHeapRegion*)                                \
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  declare_toplevel_type(ShenandoahHeapRegion::RegionState)                    \
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#endif // SHARE_GC_SHENANDOAH_VMSTRUCTS_SHENANDOAH_HPP