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/*
* Copyright (C) 2011 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 LLIntData_h
#define LLIntData_h
#include "JSCJSValue.h"
#include "Opcode.h"
#include <wtf/Platform.h>
namespace JSC {
class VM;
struct Instruction;
#if ENABLE(LLINT_C_LOOP)
typedef OpcodeID LLIntCode;
#else
typedef void (*LLIntCode)();
#endif
namespace LLInt {
#if ENABLE(LLINT)
class Data {
public:
static void performAssertions(VM&);
private:
static Instruction* s_exceptionInstructions;
static Opcode* s_opcodeMap;
friend void initialize();
friend Instruction* exceptionInstructions();
friend Opcode* opcodeMap();
friend Opcode getOpcode(OpcodeID);
friend void* getCodePtr(OpcodeID);
};
void initialize();
inline Instruction* exceptionInstructions()
{
return Data::s_exceptionInstructions;
}
inline Opcode* opcodeMap()
{
return Data::s_opcodeMap;
}
inline Opcode getOpcode(OpcodeID id)
{
#if ENABLE(COMPUTED_GOTO_OPCODES)
return Data::s_opcodeMap[id];
#else
return static_cast<Opcode>(id);
#endif
}
ALWAYS_INLINE void* getCodePtr(OpcodeID id)
{
return reinterpret_cast<void*>(getOpcode(id));
}
#else // !ENABLE(LLINT)
#if COMPILER(CLANG)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-noreturn"
#endif
class Data {
public:
static void performAssertions(VM&) { }
};
#if COMPILER(CLANG)
#pragma clang diagnostic pop
#endif
#endif // !ENABLE(LLINT)
ALWAYS_INLINE void* getOpcode(void llintOpcode())
{
return bitwise_cast<void*>(llintOpcode);
}
ALWAYS_INLINE void* getCodePtr(void glueHelper())
{
return bitwise_cast<void*>(glueHelper);
}
ALWAYS_INLINE void* getCodePtr(JSC::EncodedJSValue glueHelper())
{
return bitwise_cast<void*>(glueHelper);
}
} } // namespace JSC::LLInt
#endif // LLIntData_h
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