75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef gc_StoreBuffer_inl_h
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#define gc_StoreBuffer_inl_h
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#include "gc/StoreBuffer.h"
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#include "gc/Heap.h"
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namespace js {
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namespace gc {
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inline /* static */ size_t
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ArenaCellSet::getCellIndex(const TenuredCell* cell)
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{
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MOZ_ASSERT((uintptr_t(cell) & ~ArenaMask) % CellSize == 0);
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return (uintptr_t(cell) & ArenaMask) / CellSize;
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}
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inline /* static */ void
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ArenaCellSet::getWordIndexAndMask(size_t cellIndex, size_t* wordp, uint32_t* maskp)
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{
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BitArray<ArenaCellCount>::getIndexAndMask(cellIndex, wordp, maskp);
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}
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inline bool
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ArenaCellSet::hasCell(size_t cellIndex) const
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{
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MOZ_ASSERT(cellIndex < ArenaCellCount);
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return bits.get(cellIndex);
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}
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inline void
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ArenaCellSet::putCell(size_t cellIndex)
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{
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MOZ_ASSERT(cellIndex < ArenaCellCount);
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bits.set(cellIndex);
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}
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inline void
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ArenaCellSet::check() const
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{
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#ifdef DEBUG
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bool bitsZero = bits.isAllClear();
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MOZ_ASSERT(isEmpty() == bitsZero);
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MOZ_ASSERT(isEmpty() == !arena);
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MOZ_ASSERT_IF(!isEmpty(), arena->bufferedCells == this);
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#endif
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}
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inline void
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StoreBuffer::putWholeCell(Cell* cell)
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{
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MOZ_ASSERT(cell->isTenured());
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Arena* arena = cell->asTenured().arena();
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ArenaCellSet* cells = arena->bufferedCells;
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if (cells->isEmpty()) {
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cells = AllocateWholeCellSet(arena);
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if (!cells)
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return;
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}
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cells->putCell(&cell->asTenured());
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cells->check();
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}
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} // namespace gc
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} // namespace js
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#endif // gc_StoreBuffer_inl_h
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