mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-15 13:32:38 +00:00
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
/*
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* Copyright (C) 2017-2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "IsoSubspace.h"
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#include "AllocatorInlines.h"
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#include "BlockDirectoryInlines.h"
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#include "IsoAlignedMemoryAllocator.h"
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#include "IsoSubspaceInlines.h"
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#include "LocalAllocatorInlines.h"
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namespace JSC {
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IsoSubspace::IsoSubspace(CString name, Heap& heap, HeapCellType* heapCellType, size_t size)
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: Subspace(name, heap)
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, m_size(size)
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, m_directory(&heap, WTF::roundUpToMultipleOf<MarkedBlock::atomSize>(size))
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, m_localAllocator(&m_directory)
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, m_isoAlignedMemoryAllocator(std::make_unique<IsoAlignedMemoryAllocator>())
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{
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initialize(heapCellType, m_isoAlignedMemoryAllocator.get());
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auto locker = holdLock(m_space.directoryLock());
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m_directory.setSubspace(this);
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m_space.addBlockDirectory(locker, &m_directory);
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m_alignedMemoryAllocator->registerDirectory(&m_directory);
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m_firstDirectory = &m_directory;
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}
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IsoSubspace::~IsoSubspace()
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{
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}
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Allocator IsoSubspace::allocatorFor(size_t size, AllocatorForMode mode)
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{
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return allocatorForNonVirtual(size, mode);
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}
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void* IsoSubspace::allocate(VM& vm, size_t size, GCDeferralContext* deferralContext, AllocationFailureMode failureMode)
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{
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return allocateNonVirtual(vm, size, deferralContext, failureMode);
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}
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void IsoSubspace::didResizeBits(size_t blockIndex)
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{
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m_cellSets.forEach(
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[&] (IsoCellSet* set) {
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set->didResizeBits(blockIndex);
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});
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}
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void IsoSubspace::didRemoveBlock(size_t blockIndex)
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{
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m_cellSets.forEach(
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[&] (IsoCellSet* set) {
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set->didRemoveBlock(blockIndex);
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});
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}
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void IsoSubspace::didBeginSweepingToFreeList(MarkedBlock::Handle* block)
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{
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m_cellSets.forEach(
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[&] (IsoCellSet* set) {
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set->sweepToFreeList(block);
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});
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}
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} // namespace JSC
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