mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
/*
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* Copyright (C) 2016-2018 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 "FTLExceptionTarget.h"
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#if ENABLE(FTL_JIT)
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#include "LinkBuffer.h"
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namespace JSC { namespace FTL {
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ExceptionTarget::~ExceptionTarget()
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{
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}
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CodeLocationLabel<ExceptionHandlerPtrTag> ExceptionTarget::label(LinkBuffer& linkBuffer)
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{
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if (m_isDefaultHandler)
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return linkBuffer.locationOf<ExceptionHandlerPtrTag>(*m_defaultHandler);
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return linkBuffer.locationOf<ExceptionHandlerPtrTag>(m_handle->label);
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}
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Box<CCallHelpers::JumpList> ExceptionTarget::jumps(CCallHelpers& jit)
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{
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Box<CCallHelpers::JumpList> result = Box<CCallHelpers::JumpList>::create();
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if (m_isDefaultHandler) {
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Box<CCallHelpers::Label> defaultHandler = m_defaultHandler;
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jit.addLinkTask(
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[=] (LinkBuffer& linkBuffer) {
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linkBuffer.link(*result, linkBuffer.locationOf<ExceptionHandlerPtrTag>(*defaultHandler));
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});
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} else {
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RefPtr<OSRExitHandle> handle = m_handle;
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jit.addLinkTask(
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[=] (LinkBuffer& linkBuffer) {
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linkBuffer.link(*result, linkBuffer.locationOf<OSRExitPtrTag>(handle->label));
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});
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}
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return result;
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}
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ExceptionTarget::ExceptionTarget(
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bool isDefaultHandler, Box<CCallHelpers::Label> defaultHandler, RefPtr<OSRExitHandle> handle)
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: m_isDefaultHandler(isDefaultHandler)
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, m_defaultHandler(defaultHandler)
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, m_handle(handle)
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{
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}
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} } // namespace JSC::FTL
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#endif // ENABLE(FTL_JIT)
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