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1 /* |
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2 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_GC_Z_VMSTRUCTS_Z_HPP |
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26 #define SHARE_VM_GC_Z_VMSTRUCTS_Z_HPP |
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27 |
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28 #include "gc/z/zAddressRangeMap.hpp" |
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29 #include "gc/z/zCollectedHeap.hpp" |
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30 #include "gc/z/zHeap.hpp" |
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31 #include "gc/z/zPageAllocator.hpp" |
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32 #include "gc/z/zPhysicalMemory.hpp" |
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33 #include "utilities/macros.hpp" |
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34 |
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35 // Expose some ZGC globals to the SA agent. |
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36 class ZGlobalsForVMStructs { |
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37 static ZGlobalsForVMStructs _instance; |
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38 |
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39 public: |
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40 static ZGlobalsForVMStructs* _instance_p; |
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41 |
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42 ZGlobalsForVMStructs(); |
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43 |
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44 uint32_t* _ZGlobalPhase; |
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45 |
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46 uintptr_t* _ZAddressGoodMask; |
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47 uintptr_t* _ZAddressBadMask; |
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48 uintptr_t* _ZAddressWeakBadMask; |
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49 |
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50 const int* _ZObjectAlignmentSmallShift; |
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51 const int* _ZObjectAlignmentSmall; |
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52 }; |
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53 |
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54 typedef ZAddressRangeMap<ZPageTableEntry, ZPageSizeMinShift> ZAddressRangeMapForPageTable; |
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55 |
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56 #define VM_STRUCTS_ZGC(nonstatic_field, volatile_nonstatic_field, static_field) \ |
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57 static_field(ZGlobalsForVMStructs, _instance_p, ZGlobalsForVMStructs*) \ |
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58 nonstatic_field(ZGlobalsForVMStructs, _ZGlobalPhase, uint32_t*) \ |
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59 nonstatic_field(ZGlobalsForVMStructs, _ZAddressGoodMask, uintptr_t*) \ |
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60 nonstatic_field(ZGlobalsForVMStructs, _ZAddressBadMask, uintptr_t*) \ |
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61 nonstatic_field(ZGlobalsForVMStructs, _ZAddressWeakBadMask, uintptr_t*) \ |
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62 nonstatic_field(ZGlobalsForVMStructs, _ZObjectAlignmentSmallShift, const int*) \ |
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63 nonstatic_field(ZGlobalsForVMStructs, _ZObjectAlignmentSmall, const int*) \ |
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64 \ |
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65 nonstatic_field(ZCollectedHeap, _heap, ZHeap) \ |
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66 \ |
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67 nonstatic_field(ZHeap, _page_allocator, ZPageAllocator) \ |
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68 nonstatic_field(ZHeap, _pagetable, ZPageTable) \ |
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69 \ |
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70 nonstatic_field(ZPage, _type, const uint8_t) \ |
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71 nonstatic_field(ZPage, _virtual, const ZVirtualMemory) \ |
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72 nonstatic_field(ZPage, _forwarding, ZForwardingTable) \ |
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73 \ |
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74 nonstatic_field(ZPageAllocator, _physical, ZPhysicalMemoryManager) \ |
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75 nonstatic_field(ZPageAllocator, _used, size_t) \ |
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76 \ |
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77 nonstatic_field(ZPageTable, _map, ZAddressRangeMapForPageTable) \ |
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78 \ |
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79 nonstatic_field(ZAddressRangeMapForPageTable, _map, ZPageTableEntry* const) \ |
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80 \ |
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81 nonstatic_field(ZVirtualMemory, _start, uintptr_t) \ |
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82 nonstatic_field(ZVirtualMemory, _end, uintptr_t) \ |
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83 \ |
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84 nonstatic_field(ZForwardingTable, _table, ZForwardingTableEntry*) \ |
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85 nonstatic_field(ZForwardingTable, _size, size_t) \ |
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86 \ |
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87 nonstatic_field(ZPhysicalMemoryManager, _max_capacity, const size_t) \ |
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88 nonstatic_field(ZPhysicalMemoryManager, _capacity, size_t) |
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89 |
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90 #define VM_INT_CONSTANTS_ZGC(declare_constant, declare_constant_with_value) \ |
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91 declare_constant(ZPhaseRelocate) \ |
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92 declare_constant(ZPageTypeSmall) \ |
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93 declare_constant(ZPageTypeMedium) \ |
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94 declare_constant(ZPageTypeLarge) \ |
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95 declare_constant(ZObjectAlignmentMediumShift) \ |
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96 declare_constant(ZObjectAlignmentLargeShift) |
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97 |
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98 #define VM_LONG_CONSTANTS_ZGC(declare_constant) \ |
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99 declare_constant(ZPageSizeSmallShift) \ |
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100 declare_constant(ZPageSizeMediumShift) \ |
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101 declare_constant(ZPageSizeMinShift) \ |
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102 declare_constant(ZAddressOffsetShift) \ |
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103 declare_constant(ZAddressOffsetBits) \ |
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104 declare_constant(ZAddressOffsetMask) \ |
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105 declare_constant(ZAddressSpaceStart) |
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106 |
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107 #define VM_TYPES_ZGC(declare_type, declare_toplevel_type, declare_integer_type) \ |
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108 declare_toplevel_type(ZGlobalsForVMStructs) \ |
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109 declare_type(ZCollectedHeap, CollectedHeap) \ |
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110 declare_toplevel_type(ZHeap) \ |
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111 declare_toplevel_type(ZPage) \ |
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112 declare_toplevel_type(ZPageAllocator) \ |
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113 declare_toplevel_type(ZPageTable) \ |
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114 declare_toplevel_type(ZPageTableEntry) \ |
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115 declare_toplevel_type(ZAddressRangeMapForPageTable) \ |
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116 declare_toplevel_type(ZVirtualMemory) \ |
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117 declare_toplevel_type(ZForwardingTable) \ |
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118 declare_toplevel_type(ZForwardingTableEntry) \ |
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119 declare_toplevel_type(ZPhysicalMemoryManager) |
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120 |
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121 #endif // SHARE_VM_GC_Z_VMSTRUCTS_Z_HPP |