diff options
Diffstat (limited to 'src/javascript/jsc/bindings/BunGCOutputConstraint.cpp')
| -rw-r--r-- | src/javascript/jsc/bindings/BunGCOutputConstraint.cpp | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/src/javascript/jsc/bindings/BunGCOutputConstraint.cpp b/src/javascript/jsc/bindings/BunGCOutputConstraint.cpp deleted file mode 100644 index 97ee0761b..000000000 --- a/src/javascript/jsc/bindings/BunGCOutputConstraint.cpp +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright (C) 2017-2022 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. - */ - -#include "config.h" - -#include "JavaScriptCore/WeakInlines.h" -#include "JavaScriptCore/AbstractSlotVisitorInlines.h" - -#include "JavaScriptCore/VM.h" -#include "JavaScriptCore/MarkingConstraint.h" - -// namespace JSC { - -// class VisitCounter { -// public: -// VisitCounter() {} - -// VisitCounter(AbstractSlotVisitor& visitor) -// : m_visitor(&visitor) -// , m_initialVisitCount(visitor.visitCount()) -// { -// } - -// AbstractSlotVisitor& visitor() const { return *m_visitor; } - -// size_t visitCount() const -// { -// return m_visitor->visitCount() - m_initialVisitCount; -// } - -// private: -// AbstractSlotVisitor* m_visitor { nullptr }; -// size_t m_initialVisitCount { 0 }; -// }; - -// static constexpr bool verboseMarkingConstraint = false; - -// MarkingConstraint::MarkingConstraint(CString abbreviatedName, CString name, ConstraintVolatility volatility, ConstraintConcurrency concurrency, ConstraintParallelism parallelism) -// : m_abbreviatedName(abbreviatedName) -// , m_name(WTFMove(name)) -// , m_volatility(volatility) -// , m_concurrency(concurrency) -// , m_parallelism(parallelism) -// { -// } - -// MarkingConstraint::~MarkingConstraint() -// { -// } - -// void MarkingConstraint::resetStats() -// { -// m_lastVisitCount = 0; -// } - -// void MarkingConstraint::execute(SlotVisitor& visitor) -// { -// ASSERT(!visitor.heap()->isMarkingForGCVerifier()); -// VisitCounter visitCounter(visitor); -// executeImpl(visitor); -// m_lastVisitCount += visitCounter.visitCount(); -// if (verboseMarkingConstraint && visitCounter.visitCount()) -// dataLog("(", abbreviatedName(), " visited ", visitCounter.visitCount(), " in execute)"); -// } - -// void MarkingConstraint::executeSynchronously(AbstractSlotVisitor& visitor) -// { -// prepareToExecuteImpl(NoLockingNecessary, visitor); -// executeImpl(visitor); -// } - -// double MarkingConstraint::quickWorkEstimate(SlotVisitor&) -// { -// return 0; -// } - -// double MarkingConstraint::workEstimate(SlotVisitor& visitor) -// { -// return lastVisitCount() + quickWorkEstimate(visitor); -// } - -// void MarkingConstraint::prepareToExecute(const AbstractLocker& constraintSolvingLocker, SlotVisitor& visitor) -// { -// ASSERT(!visitor.heap()->isMarkingForGCVerifier()); -// dataLogIf(Options::logGC(), abbreviatedName()); -// VisitCounter visitCounter(visitor); -// prepareToExecuteImpl(constraintSolvingLocker, visitor); -// m_lastVisitCount = visitCounter.visitCount(); -// if (verboseMarkingConstraint && visitCounter.visitCount()) -// dataLog("(", abbreviatedName(), " visited ", visitCounter.visitCount(), " in prepareToExecute)"); -// } - -// void MarkingConstraint::doParallelWork(SlotVisitor& visitor, SharedTask<void(SlotVisitor&)>& task) -// { -// ASSERT(!visitor.heap()->isMarkingForGCVerifier()); -// VisitCounter visitCounter(visitor); -// task.run(visitor); -// if (verboseMarkingConstraint && visitCounter.visitCount()) -// dataLog("(", abbreviatedName(), " visited ", visitCounter.visitCount(), " in doParallelWork)"); -// { -// Locker locker { m_lock }; -// m_lastVisitCount += visitCounter.visitCount(); -// } -// } - -// void MarkingConstraint::prepareToExecuteImpl(const AbstractLocker&, AbstractSlotVisitor&) -// { -// } - -// } // namespace JSC - -#include "BunGCOutputConstraint.h" - -#include "WebCoreJSClientData.h" -#include "JavaScriptCore/BlockDirectoryInlines.h" -#include "JavaScriptCore/HeapInlines.h" -#include "JavaScriptCore/MarkedBlockInlines.h" -#include "JavaScriptCore/SubspaceInlines.h" - -namespace WebCore { - -using namespace JSC; - -DOMGCOutputConstraint::DOMGCOutputConstraint(VM& vm, JSHeapData& heapData) - : MarkingConstraint("Domo", "DOM Output", ConstraintVolatility::SeldomGreyed, ConstraintConcurrency::Concurrent, ConstraintParallelism::Parallel) - , m_vm(vm) - , m_heapData(heapData) - , m_lastExecutionVersion(vm.heap.mutatorExecutionVersion()) -{ -} - -DOMGCOutputConstraint::~DOMGCOutputConstraint() -{ -} - -template<typename Visitor> -void DOMGCOutputConstraint::executeImplImpl(Visitor& visitor) -{ - Heap& heap = m_vm.heap; - - if (heap.mutatorExecutionVersion() == m_lastExecutionVersion) - return; - - m_lastExecutionVersion = heap.mutatorExecutionVersion(); - - m_heapData.forEachOutputConstraintSpace( - [&](Subspace& subspace) { - auto func = [](Visitor& visitor, HeapCell* heapCell, HeapCell::Kind) { - SetRootMarkReasonScope rootScope(visitor, RootMarkReason::DOMGCOutput); - JSCell* cell = static_cast<JSCell*>(heapCell); - cell->methodTable()->visitOutputConstraints(cell, visitor); - }; - - RefPtr<SharedTask<void(Visitor&)>> task = subspace.template forEachMarkedCellInParallel<Visitor>(func); - visitor.addParallelConstraintTask(task); - }); -} - -void DOMGCOutputConstraint::executeImpl(AbstractSlotVisitor& visitor) { executeImplImpl(visitor); } -void DOMGCOutputConstraint::executeImpl(SlotVisitor& visitor) { executeImplImpl(visitor); } - -} // namespace WebCore |