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/*
* Copyright (C) 2013 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.
*/
#ifndef FTLJITCode_h
#define FTLJITCode_h
#include <wtf/Platform.h>
#if ENABLE(FTL_JIT)
#include "DFGCommonData.h"
#include "FTLOSRExit.h"
#include "FTLStackMaps.h"
#include "JITCode.h"
#include "LLVMAPI.h"
#include <wtf/RefCountedArray.h>
namespace JSC { namespace FTL {
typedef int64_t LSectionWord; // We refer to LLVM data sections using LSectionWord*, just to be clear about our intended alignment restrictions.
class JITCode : public JSC::JITCode {
public:
JITCode();
~JITCode();
CodePtr addressForCall();
void* executableAddressAtOffset(size_t offset);
void* dataAddressAtOffset(size_t offset);
unsigned offsetOf(void* pointerIntoCode);
size_t size();
bool contains(void*);
void initializeExitThunks(CodeRef);
void addHandle(PassRefPtr<ExecutableMemoryHandle>);
void addDataSection(RefCountedArray<LSectionWord>);
void initializeCode(CodeRef entrypoint);
const Vector<RefPtr<ExecutableMemoryHandle>>& handles() const { return m_handles; }
const Vector<RefCountedArray<LSectionWord>>& dataSections() const { return m_dataSections; }
CodePtr exitThunks();
JITCode* ftl();
DFG::CommonData* dfgCommon();
DFG::CommonData common;
SegmentedVector<OSRExit, 8> osrExit;
StackMaps stackmaps;
private:
Vector<RefCountedArray<LSectionWord>> m_dataSections;
Vector<RefPtr<ExecutableMemoryHandle>> m_handles;
CodeRef m_entrypoint;
CodeRef m_exitThunks;
};
} } // namespace JSC::FTL
#endif // ENABLE(FLT_JIT)
#endif // FTLJITCode_h
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