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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_BBQJIT)
#include "CompilationResult.h"
#include "WasmCallee.h"
#include "WasmEntryPlan.h"
#include "WasmModuleInformation.h"
#include "WasmTierUpCount.h"
#include "tools/FunctionAllowlist.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 CalleeGroup;
class JSEntrypointCallee;
class BBQPlan final : public EntryPlan {
public:
using Base = EntryPlan;
using Base::Base;
BBQPlan(VM&, Ref<ModuleInformation>, uint32_t functionIndex, std::optional<bool> hasExceptionHandlers, CalleeGroup*, CompletionTask&&);
bool hasWork() const final
{
if (m_compilerMode == CompilerMode::Validation)
return m_state < State::Validated;
return m_state < State::Compiled;
}
void work(CompilationEffort) final;
using CalleeInitializer = Function<void(uint32_t, RefPtr<JSEntrypointCallee>&&, Ref<BBQCallee>&&)>;
void initializeCallees(const CalleeInitializer&);
bool didReceiveFunctionData(unsigned, const FunctionData&) final;
bool parseAndValidateModule()
{
return Base::parseAndValidateModule(m_source.span());
}
static FunctionAllowlist& ensureGlobalBBQAllowlist();
private:
bool prepareImpl() final;
bool dumpDisassembly(CompilationContext&, LinkBuffer&, unsigned functionIndex, const TypeDefinition&, unsigned functionIndexSpace);
void compileFunction(uint32_t functionIndex) final;
void didCompleteCompilation() WTF_REQUIRES_LOCK(m_lock) final;
std::unique_ptr<InternalFunction> compileFunction(uint32_t functionIndex, BBQCallee&, CompilationContext&, Vector<UnlinkedWasmToWasmCall>&, TierUpCount*);
Vector<std::unique_ptr<InternalFunction>> m_wasmInternalFunctions;
Vector<std::unique_ptr<LinkBuffer>> m_wasmInternalFunctionLinkBuffers;
Vector<Vector<CodeLocationLabel<ExceptionHandlerPtrTag>>> m_exceptionHandlerLocations;
HashMap<uint32_t, std::tuple<RefPtr<JSEntrypointCallee>, std::unique_ptr<LinkBuffer>, std::unique_ptr<InternalFunction>>, DefaultHash<uint32_t>, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>> m_jsToWasmInternalFunctions;
Vector<CompilationContext> m_compilationContexts;
Vector<RefPtr<BBQCallee>> m_callees;
Vector<Vector<CodeLocationLabel<WasmEntryPtrTag>>> m_allLoopEntrypoints;
RefPtr<CalleeGroup> m_calleeGroup { nullptr };
uint32_t m_functionIndex;
std::optional<bool> m_hasExceptionHandlers;
};
} } // namespace JSC::Wasm
#endif // ENABLE(WEBASSEMBLY_BBQJIT)
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