/* * Copyright (c) 2017, 2025, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #ifndef SHARE_GC_Z_VMSTRUCTS_Z_HPP #define SHARE_GC_Z_VMSTRUCTS_Z_HPP #include "gc/z/zAttachedArray.hpp" #include "gc/z/zCollectedHeap.hpp" #include "gc/z/zForwarding.hpp" #include "gc/z/zGranuleMap.hpp" #include "gc/z/zHeap.hpp" #include "gc/z/zNUMA.hpp" #include "gc/z/zPageAllocator.hpp" #include "gc/z/zPageType.hpp" #include "gc/z/zValue.hpp" #include "gc/z/zVirtualMemory.hpp" #include "utilities/macros.hpp" // Expose some ZGC globals to the SA agent. class ZGlobalsForVMStructs { static ZGlobalsForVMStructs _instance; public: static ZGlobalsForVMStructs* _instance_p; ZGlobalsForVMStructs(); uintptr_t* _ZAddressOffsetMask; uintptr_t* _ZPointerLoadGoodMask; uintptr_t* _ZPointerLoadBadMask; size_t* _ZPointerLoadShift; uintptr_t* _ZPointerMarkGoodMask; uintptr_t* _ZPointerMarkBadMask; uintptr_t* _ZPointerStoreGoodMask; uintptr_t* _ZPointerStoreBadMask; const int* _ZObjectAlignmentSmallShift; const int* _ZObjectAlignmentSmall; }; typedef ZGranuleMap ZGranuleMapForPageTable; typedef ZGranuleMap ZGranuleMapForForwarding; typedef ZAttachedArray ZAttachedArrayForForwarding; typedef ZValue ZPerNUMAZPartition; #define VM_STRUCTS_Z(nonstatic_field, volatile_nonstatic_field, static_field) \ static_field(ZGlobalsForVMStructs, _instance_p, ZGlobalsForVMStructs*) \ \ nonstatic_field(ZGlobalsForVMStructs, _ZAddressOffsetMask, uintptr_t*) \ nonstatic_field(ZGlobalsForVMStructs, _ZPointerLoadGoodMask, uintptr_t*) \ nonstatic_field(ZGlobalsForVMStructs, _ZPointerLoadBadMask, uintptr_t*) \ nonstatic_field(ZGlobalsForVMStructs, _ZPointerLoadShift, size_t*) \ nonstatic_field(ZGlobalsForVMStructs, _ZPointerMarkGoodMask, uintptr_t*) \ nonstatic_field(ZGlobalsForVMStructs, _ZPointerMarkBadMask, uintptr_t*) \ nonstatic_field(ZGlobalsForVMStructs, _ZPointerStoreGoodMask, uintptr_t*) \ nonstatic_field(ZGlobalsForVMStructs, _ZPointerStoreBadMask, uintptr_t*) \ nonstatic_field(ZGlobalsForVMStructs, _ZObjectAlignmentSmallShift, const int*) \ nonstatic_field(ZGlobalsForVMStructs, _ZObjectAlignmentSmall, const int*) \ \ nonstatic_field(ZCollectedHeap, _heap, ZHeap) \ \ nonstatic_field(ZHeap, _page_allocator, ZPageAllocator) \ nonstatic_field(ZHeap, _page_table, ZPageTable) \ \ nonstatic_field(ZPage, _type, const ZPageType) \ volatile_nonstatic_field(ZPage, _seqnum, uint32_t) \ nonstatic_field(ZPage, _virtual, const ZVirtualMemory) \ volatile_nonstatic_field(ZPage, _top, zoffset_end) \ \ nonstatic_field(ZPageAllocator, _max_capacity, const size_t) \ nonstatic_field(ZPageAllocator, _partitions, ZPerNUMAZPartition) \ \ static_field(ZNUMA, _count, uint32_t) \ nonstatic_field(ZPerNUMAZPartition, _addr, const uintptr_t) \ \ volatile_nonstatic_field(ZPartition, _capacity, size_t) \ nonstatic_field(ZPartition, _used, size_t) \ \ nonstatic_field(ZPageTable, _map, ZGranuleMapForPageTable) \ \ nonstatic_field(ZGranuleMapForPageTable, _map, ZPage** const) \ nonstatic_field(ZGranuleMapForForwarding, _map, ZForwarding** const) \ \ nonstatic_field(ZForwardingTable, _map, ZGranuleMapForForwarding) \ \ nonstatic_field(ZVirtualMemory, _start, const zoffset_end) \ nonstatic_field(ZVirtualMemory, _size, const size_t) \ \ nonstatic_field(ZForwarding, _virtual, const ZVirtualMemory) \ nonstatic_field(ZForwarding, _object_alignment_shift, const size_t) \ volatile_nonstatic_field(ZForwarding, _ref_count, int) \ nonstatic_field(ZForwarding, _entries, const ZAttachedArrayForForwarding) \ nonstatic_field(ZForwardingEntry, _entry, uint64_t) \ nonstatic_field(ZAttachedArrayForForwarding, _length, const size_t) #define VM_INT_CONSTANTS_Z(declare_constant, declare_constant_with_value) \ declare_constant(ZPageType::small) \ declare_constant(ZPageType::medium) \ declare_constant(ZPageType::large) \ declare_constant(ZPageSizeSmallShift) \ declare_constant(ZPageSizeMediumMaxShift) \ declare_constant(ZObjectAlignmentMediumShift) \ declare_constant(ZObjectAlignmentLargeShift) #define VM_LONG_CONSTANTS_Z(declare_constant) \ declare_constant(ZGranuleSizeShift) \ declare_constant(ZAddressOffsetShift) \ declare_constant(ZAddressOffsetBits) \ declare_constant(ZAddressOffsetMask) \ declare_constant(ZAddressOffsetMax) #define VM_TYPES_Z(declare_type, declare_toplevel_type, declare_integer_type) \ declare_toplevel_type(zoffset) \ declare_toplevel_type(zoffset_end) \ declare_toplevel_type(ZGlobalsForVMStructs) \ declare_type(ZCollectedHeap, CollectedHeap) \ declare_toplevel_type(ZHeap) \ declare_toplevel_type(ZRelocate) \ declare_toplevel_type(ZPage) \ declare_toplevel_type(ZPageType) \ declare_toplevel_type(ZPageAllocator) \ declare_toplevel_type(ZPageTable) \ declare_toplevel_type(ZPartition) \ declare_toplevel_type(ZNUMA) \ declare_toplevel_type(ZPerNUMAZPartition) \ declare_toplevel_type(ZAttachedArrayForForwarding) \ declare_toplevel_type(ZGranuleMapForPageTable) \ declare_toplevel_type(ZGranuleMapForForwarding) \ declare_toplevel_type(ZVirtualMemory) \ declare_toplevel_type(ZForwardingTable) \ declare_toplevel_type(ZForwarding) \ declare_toplevel_type(ZForwardingEntry) \ declare_toplevel_type(ZPhysicalMemoryManager) #endif // SHARE_GC_Z_VMSTRUCTS_Z_HPP