mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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65 lines
2.5 KiB
C++
65 lines
2.5 KiB
C++
/*
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* Copyright (C) 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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#pragma once
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namespace JSC {
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ALWAYS_INLINE void* IsoSubspace::allocateNonVirtual(VM& vm, size_t size, GCDeferralContext* deferralContext, AllocationFailureMode failureMode)
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{
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RELEASE_ASSERT(WTF::roundUpToMultipleOf<MarkedBlock::atomSize>(size) == cellSize());
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Allocator allocator = allocatorForNonVirtual(size, AllocatorForMode::MustAlreadyHaveAllocator);
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void* result = allocator.allocate(vm.heap, deferralContext, failureMode);
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return result;
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}
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inline void IsoSubspace::clearIsoCellSetBit(PreciseAllocation* preciseAllocation)
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{
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unsigned lowerTierIndex = preciseAllocation->lowerTierIndex();
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m_cellSets.forEach(
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[&](IsoCellSet* set) {
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set->clearLowerTierCell(lowerTierIndex);
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});
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}
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inline void IsoSubspace::sweep()
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{
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Subspace::sweepBlocks();
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// We sweep precise-allocations eagerly, but we do not free it immediately.
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// This part should be done by MarkedSpace::sweepPreciseAllocations.
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m_preciseAllocations.forEach([&](PreciseAllocation* allocation) {
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allocation->sweep();
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});
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}
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template<typename Func>
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void IsoSubspace::forEachLowerTierFreeListedPreciseAllocation(const Func& func)
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{
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m_lowerTierFreeList.forEach(func);
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}
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} // namespace JSC
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