1c72b350e4
Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org> Reviewed-by: sjohanss, stefank
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
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* Copyright (c) 2021, 2025, 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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#include "gc/z/zAllocator.hpp"
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#include "gc/z/zObjectAllocator.hpp"
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#include "gc/z/zPageAge.inline.hpp"
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ZAllocatorEden* ZAllocator::_eden;
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ZAllocatorForRelocation* ZAllocator::_relocation[ZAllocator::_relocation_allocators];
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ZAllocator::ZAllocator(ZPageAge age)
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: _object_allocator(age) {}
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void ZAllocator::retire_pages() {
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_object_allocator.retire_pages();
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}
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ZAllocatorEden::ZAllocatorEden()
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: ZAllocator(ZPageAge::eden) {
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ZAllocator::_eden = this;
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}
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size_t ZAllocatorEden::remaining() const {
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return _object_allocator.remaining();
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}
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ZPageAge ZAllocatorForRelocation::install() {
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for (uint i = 0; i < ZAllocator::_relocation_allocators; ++i) {
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if (_relocation[i] == nullptr) {
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_relocation[i] = this;
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return to_zpageage(i + 1);
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}
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}
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ShouldNotReachHere();
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return ZPageAge::eden;
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}
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ZAllocatorForRelocation::ZAllocatorForRelocation()
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: ZAllocator(install()) {}
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zaddress ZAllocatorForRelocation::alloc_object(size_t size) {
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return _object_allocator.alloc_object_for_relocation(size);
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}
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void ZAllocatorForRelocation::undo_alloc_object(zaddress addr, size_t size) {
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_object_allocator.undo_alloc_object_for_relocation(addr, size);
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}
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ZPage* ZAllocatorForRelocation::alloc_page_for_relocation(ZPageType type, size_t size, ZAllocationFlags flags) {
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return _object_allocator.alloc_page_for_relocation(type, size, flags);
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}
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