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/*
* Copyright (C) 2023 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 "WasmCallee.h"
#include "WasmEntryPlan.h"
#include "WasmIPIntGenerator.h"
#include "WasmLLIntPlan.h"
namespace JSC {
namespace Wasm {
class IPIntCallee;
using JSEntrypointCalleeMap = HashMap<uint32_t, RefPtr<JSEntrypointCallee>, DefaultHash<uint32_t>, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>>;
using TailCallGraph = HashMap<uint32_t, HashSet<uint32_t, IntHash<uint32_t>, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>>, IntHash<uint32_t>, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>>;
class IPIntPlan final : public EntryPlan {
using Base = EntryPlan;
public:
JS_EXPORT_PRIVATE IPIntPlan(VM&, Vector<uint8_t>&&, CompilerMode, CompletionTask&&);
IPIntPlan(VM&, Ref<ModuleInformation>, const Ref<IPIntCallee>*, CompletionTask&&);
IPIntPlan(VM&, Ref<ModuleInformation>, CompilerMode, CompletionTask&&); // For StreamingCompiler.
Vector<Ref<IPIntCallee>>&& takeCallees()
{
RELEASE_ASSERT(!failed() && !hasWork());
return WTFMove(m_calleesVector);
}
JSEntrypointCalleeMap&& takeJSCallees()
{
RELEASE_ASSERT(!failed() && !hasWork());
return WTFMove(m_jsEntrypointCallees);
}
bool hasWork() const final
{
// We'll use "Compiled" here to signify that IPInt has finished parsing and
// validating, and is ready to execute
return m_state < State::Compiled;
}
void work(CompilationEffort) final;
bool didReceiveFunctionData(unsigned, const FunctionData&) final;
void compileFunction(uint32_t functionIndex) final;
void completeInStreaming();
void didCompileFunctionInStreaming();
void didFailInStreaming(String&&);
private:
bool prepareImpl() final;
void didCompleteCompilation() WTF_REQUIRES_LOCK(m_lock) final;
void addTailCallEdge(uint32_t, uint32_t);
void computeTransitiveTailCalls() const;
bool ensureEntrypoint(IPIntCallee&, unsigned functionIndex);
Vector<std::unique_ptr<FunctionIPIntMetadataGenerator>> m_wasmInternalFunctions;
const Ref<IPIntCallee>* m_callees { nullptr };
Vector<Ref<IPIntCallee>> m_calleesVector;
Vector<RefPtr<JSEntrypointCallee>> m_entrypoints;
JSEntrypointCalleeMap m_jsEntrypointCallees;
TailCallGraph m_tailCallGraph;
};
} } // namespace JSC::Wasm
#endif // ENABLE(WEBASSEMBLY)
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