src/share/vm/gc_implementation/g1/heapRegionSets.hpp

Tue, 20 Sep 2011 09:59:59 -0400

author
tonyp
date
Tue, 20 Sep 2011 09:59:59 -0400
changeset 3168
4f93f0d00802
parent 2974
e8b0b0392037
child 3268
8aae2050e83e
permissions
-rw-r--r--

7059019: G1: add G1 support to the SA
Summary: Extend the SA to recognize the G1CollectedHeap and implement any code that's needed by our serviceability tools (jmap, jinfo, jstack, etc.) that depend on the SA.
Reviewed-by: never, poonam, johnc

tonyp@2472 1 /*
tonyp@2962 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
tonyp@2472 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
tonyp@2472 4 *
tonyp@2472 5 * This code is free software; you can redistribute it and/or modify it
tonyp@2472 6 * under the terms of the GNU General Public License version 2 only, as
tonyp@2472 7 * published by the Free Software Foundation.
tonyp@2472 8 *
tonyp@2472 9 * This code is distributed in the hope that it will be useful, but WITHOUT
tonyp@2472 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
tonyp@2472 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
tonyp@2472 12 * version 2 for more details (a copy is included in the LICENSE file that
tonyp@2472 13 * accompanied this code).
tonyp@2472 14 *
tonyp@2472 15 * You should have received a copy of the GNU General Public License version
tonyp@2472 16 * 2 along with this work; if not, write to the Free Software Foundation,
tonyp@2472 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
tonyp@2472 18 *
tonyp@2472 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
tonyp@2472 20 * or visit www.oracle.com if you need additional information or have any
tonyp@2472 21 * questions.
tonyp@2472 22 *
tonyp@2472 23 */
tonyp@2472 24
tonyp@2472 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP
tonyp@2472 26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP
tonyp@2472 27
tonyp@2472 28 #include "gc_implementation/g1/heapRegionSet.inline.hpp"
tonyp@2472 29
tonyp@2472 30 //////////////////// FreeRegionList ////////////////////
tonyp@2472 31
tonyp@2472 32 class FreeRegionList : public HeapRegionLinkedList {
tonyp@2472 33 protected:
tonyp@2472 34 virtual const char* verify_region_extra(HeapRegion* hr);
tonyp@2472 35
tonyp@2472 36 virtual bool regions_humongous() { return false; }
tonyp@2472 37 virtual bool regions_empty() { return true; }
tonyp@2472 38
tonyp@2472 39 public:
tonyp@2472 40 FreeRegionList(const char* name) : HeapRegionLinkedList(name) { }
tonyp@2472 41 };
tonyp@2472 42
tonyp@2472 43 //////////////////// MasterFreeRegionList ////////////////////
tonyp@2472 44
tonyp@2472 45 class MasterFreeRegionList : public FreeRegionList {
tonyp@2472 46 protected:
tonyp@2974 47 virtual const char* verify_region_extra(HeapRegion* hr);
tonyp@2472 48 virtual bool check_mt_safety();
tonyp@2472 49
tonyp@2472 50 public:
tonyp@2472 51 MasterFreeRegionList(const char* name) : FreeRegionList(name) { }
tonyp@2472 52 };
tonyp@2472 53
tonyp@2472 54 //////////////////// SecondaryFreeRegionList ////////////////////
tonyp@2472 55
tonyp@2472 56 class SecondaryFreeRegionList : public FreeRegionList {
tonyp@2472 57 protected:
tonyp@2472 58 virtual bool check_mt_safety();
tonyp@2472 59
tonyp@2472 60 public:
tonyp@2472 61 SecondaryFreeRegionList(const char* name) : FreeRegionList(name) { }
tonyp@2472 62 };
tonyp@2472 63
tonyp@2472 64 //////////////////// HumongousRegionSet ////////////////////
tonyp@2472 65
tonyp@2472 66 class HumongousRegionSet : public HeapRegionSet {
tonyp@2472 67 protected:
tonyp@2472 68 virtual const char* verify_region_extra(HeapRegion* hr);
tonyp@2472 69
tonyp@2472 70 virtual bool regions_humongous() { return true; }
tonyp@2472 71 virtual bool regions_empty() { return false; }
tonyp@2472 72
tonyp@2472 73 public:
tonyp@2472 74 HumongousRegionSet(const char* name) : HeapRegionSet(name) { }
tonyp@2472 75 };
tonyp@2472 76
tonyp@2472 77 //////////////////// MasterHumongousRegionSet ////////////////////
tonyp@2472 78
tonyp@2472 79 class MasterHumongousRegionSet : public HumongousRegionSet {
tonyp@2472 80 protected:
tonyp@2472 81 virtual bool check_mt_safety();
tonyp@2472 82
tonyp@2472 83 public:
tonyp@2472 84 MasterHumongousRegionSet(const char* name) : HumongousRegionSet(name) { }
tonyp@2472 85 };
tonyp@2472 86
tonyp@2472 87 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSETS_HPP

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