mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-26 21:50:53 +00:00
134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/*
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* Copyright (C) 2013-2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "FTLExitValue.h"
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#if ENABLE(FTL_JIT)
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#include "JSCJSValueInlines.h"
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#include "TrackedReferences.h"
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namespace JSC { namespace FTL {
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ExitValue ExitValue::materializeNewObject(ExitTimeObjectMaterialization* data)
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{
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ExitValue result;
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result.m_kind = ExitValueMaterializeNewObject;
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UnionType u;
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u.newObjectMaterializationData = data;
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result.m_value = WTFMove(u);
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return result;
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}
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ExitValue ExitValue::withLocalsOffset(int offset) const
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{
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if (!isInJSStackSomehow())
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return *this;
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if (!virtualRegister().isLocal())
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return *this;
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return withVirtualRegister(virtualRegister() + offset);
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}
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DataFormat ExitValue::dataFormat() const
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{
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switch (kind()) {
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case InvalidExitValue:
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RELEASE_ASSERT_NOT_REACHED();
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return DataFormatNone;
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case ExitValueDead:
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case ExitValueConstant:
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case ExitValueInJSStack:
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case ExitValueMaterializeNewObject:
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return DataFormatJS;
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case ExitValueArgument:
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return exitArgument().format();
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case ExitValueInJSStackAsInt32:
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return DataFormatInt32;
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case ExitValueInJSStackAsInt52:
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return DataFormatInt52;
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case ExitValueInJSStackAsDouble:
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return DataFormatDouble;
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}
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RELEASE_ASSERT_NOT_REACHED();
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}
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void ExitValue::dumpInContext(PrintStream& out, DumpContext* context) const
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{
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switch (kind()) {
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case InvalidExitValue:
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out.print("Invalid");
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return;
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case ExitValueDead:
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out.print("Dead");
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return;
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case ExitValueArgument:
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out.print("Argument(", exitArgument(), ")");
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return;
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case ExitValueConstant:
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out.print("Constant(", inContext(constant(), context), ")");
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return;
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case ExitValueInJSStack:
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out.print("InJSStack:", virtualRegister());
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return;
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case ExitValueInJSStackAsInt32:
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out.print("InJSStackAsInt32:", virtualRegister());
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return;
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case ExitValueInJSStackAsInt52:
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out.print("InJSStackAsInt52:", virtualRegister());
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return;
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case ExitValueInJSStackAsDouble:
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out.print("InJSStackAsDouble:", virtualRegister());
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return;
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case ExitValueMaterializeNewObject:
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out.print("Materialize(", WTF::RawPointer(objectMaterialization()), ")");
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return;
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}
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RELEASE_ASSERT_NOT_REACHED();
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}
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void ExitValue::dump(PrintStream& out) const
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{
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dumpInContext(out, nullptr);
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}
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void ExitValue::validateReferences(const TrackedReferences& trackedReferences) const
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{
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if (isConstant())
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trackedReferences.check(constant());
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}
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} } // namespace JSC::FTL
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#endif // ENABLE(FTL_JIT)
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