| /* |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef ConservativeRoots_h |
| #define ConservativeRoots_h |
| |
| #include "Heap.h" |
| #include <wtf/OSAllocator.h> |
| #include <wtf/Vector.h> |
| |
| namespace JSC { |
| |
| class DFGCodeBlocks; |
| class Heap; |
| class JITStubRoutineSet; |
| class JSCell; |
| |
| class ConservativeRoots { |
| public: |
| ConservativeRoots(const MarkedBlockSet*, CopiedSpace*); |
| ~ConservativeRoots(); |
| |
| void add(void* begin, void* end); |
| void add(void* begin, void* end, JITStubRoutineSet&); |
| void add(void* begin, void* end, JITStubRoutineSet&, DFGCodeBlocks&); |
| |
| size_t size(); |
| JSCell** roots(); |
| |
| private: |
| static const size_t inlineCapacity = 128; |
| static const size_t nonInlineCapacity = 8192 / sizeof(JSCell*); |
| |
| template<typename MarkHook> |
| void genericAddPointer(void*, TinyBloomFilter, MarkHook&); |
| |
| template<typename MarkHook> |
| void genericAddSpan(void*, void* end, MarkHook&); |
| |
| void grow(); |
| |
| JSCell** m_roots; |
| size_t m_size; |
| size_t m_capacity; |
| const MarkedBlockSet* m_blocks; |
| CopiedSpace* m_copiedSpace; |
| JSCell* m_inlineRoots[inlineCapacity]; |
| }; |
| |
| inline size_t ConservativeRoots::size() |
| { |
| return m_size; |
| } |
| |
| inline JSCell** ConservativeRoots::roots() |
| { |
| return m_roots; |
| } |
| |
| } // namespace JSC |
| |
| #endif // ConservativeRoots_h |