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/*
* Copyright (C) 2016-2018 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.
*/
#pragma once
#if ENABLE(WEBASSEMBLY)
#include "CompilationResult.h"
#include "WasmB3IRGenerator.h"
#include "WasmEntryPlan.h"
#include "WasmModuleInformation.h"
#include "WasmTierUpCount.h"
#include <wtf/Bag.h>
#include <wtf/Function.h>
#include <wtf/SharedTask.h>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/Vector.h>
namespace JSC {
class CallLinkInfo;
namespace Wasm {
class BBQCallee;
class CodeBlock;
class EmbedderEntrypointCallee;
class BBQPlan final : public EntryPlan {
public:
using Base = EntryPlan;
using Base::Base;
BBQPlan(Context*, Ref<ModuleInformation>, uint32_t functionIndex, CodeBlock*, CompletionTask&&);
bool hasWork() const override
{
if (m_asyncWork == AsyncWork::Validation)
return m_state < State::Validated;
return m_state < State::Compiled;
}
void work(CompilationEffort) override;
using CalleeInitializer = Function<void(uint32_t, RefPtr<EmbedderEntrypointCallee>&&, Ref<BBQCallee>&&)>;
void initializeCallees(const CalleeInitializer&);
bool didReceiveFunctionData(unsigned, const FunctionData&) override;
bool parseAndValidateModule()
{
return Base::parseAndValidateModule(m_source.data(), m_source.size());
}
protected:
bool prepareImpl() override;
void compileFunction(uint32_t functionIndex) override;
void didCompleteCompilation(const AbstractLocker&) override;
private:
std::unique_ptr<InternalFunction> compileFunction(uint32_t functionIndex, CompilationContext&, Vector<UnlinkedWasmToWasmCall>&, TierUpCount*);
Vector<std::unique_ptr<InternalFunction>> m_wasmInternalFunctions;
HashMap<uint32_t, std::unique_ptr<InternalFunction>, typename DefaultHash<uint32_t>::Hash, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>> m_embedderToWasmInternalFunctions;
Vector<CompilationContext> m_compilationContexts;
Vector<std::unique_ptr<TierUpCount>> m_tierUpCounts;
RefPtr<CodeBlock> m_codeBlock { nullptr };
uint32_t m_functionIndex;
};
} } // namespace JSC::Wasm
#endif // ENABLE(WEBASSEMBLY)