| 1 | /* |
| 2 | * Copyright (C) 2016 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #pragma once |
| 27 | |
| 28 | #include "CellContainer.h" |
| 29 | #include "JSCast.h" |
| 30 | #include "LargeAllocation.h" |
| 31 | #include "MarkedBlock.h" |
| 32 | #include "VM.h" |
| 33 | |
| 34 | namespace JSC { |
| 35 | |
| 36 | inline VM* CellContainer::vm() const |
| 37 | { |
| 38 | if (isLargeAllocation()) |
| 39 | return largeAllocation().vm(); |
| 40 | return markedBlock().vm(); |
| 41 | } |
| 42 | |
| 43 | inline Heap* CellContainer::heap() const |
| 44 | { |
| 45 | return &vm()->heap; |
| 46 | } |
| 47 | |
| 48 | inline bool CellContainer::isMarked(HeapCell* cell) const |
| 49 | { |
| 50 | if (isLargeAllocation()) |
| 51 | return largeAllocation().isMarked(); |
| 52 | return markedBlock().isMarked(cell); |
| 53 | } |
| 54 | |
| 55 | inline bool CellContainer::isMarked(HeapVersion markingVersion, HeapCell* cell) const |
| 56 | { |
| 57 | if (isLargeAllocation()) |
| 58 | return largeAllocation().isMarked(); |
| 59 | return markedBlock().isMarked(markingVersion, cell); |
| 60 | } |
| 61 | |
| 62 | inline void CellContainer::noteMarked() |
| 63 | { |
| 64 | if (!isLargeAllocation()) |
| 65 | markedBlock().noteMarked(); |
| 66 | } |
| 67 | |
| 68 | inline void CellContainer::assertValidCell(VM& vm, HeapCell* cell) const |
| 69 | { |
| 70 | if (isLargeAllocation()) |
| 71 | largeAllocation().assertValidCell(vm, cell); |
| 72 | else |
| 73 | markedBlock().assertValidCell(vm, cell); |
| 74 | } |
| 75 | |
| 76 | inline size_t CellContainer::cellSize() const |
| 77 | { |
| 78 | if (isLargeAllocation()) |
| 79 | return largeAllocation().cellSize(); |
| 80 | return markedBlock().cellSize(); |
| 81 | } |
| 82 | |
| 83 | inline WeakSet& CellContainer::weakSet() const |
| 84 | { |
| 85 | if (isLargeAllocation()) |
| 86 | return largeAllocation().weakSet(); |
| 87 | return markedBlock().weakSet(); |
| 88 | } |
| 89 | |
| 90 | inline void CellContainer::aboutToMark(HeapVersion markingVersion) |
| 91 | { |
| 92 | if (!isLargeAllocation()) |
| 93 | markedBlock().aboutToMark(markingVersion); |
| 94 | } |
| 95 | |
| 96 | inline bool CellContainer::() const |
| 97 | { |
| 98 | if (isLargeAllocation()) |
| 99 | return false; |
| 100 | return markedBlock().areMarksStale(); |
| 101 | } |
| 102 | |
| 103 | } // namespace JSC |
| 104 | |
| 105 | |