JavaScriptCore-1218.33.tar.gz

[apple/javascriptcore.git] / llint / LowLevelInterpreter.h

/*
 * Copyright (C) 2012 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
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 */

#ifndef LowLevelInterpreter_h
#define LowLevelInterpreter_h

#include <wtf/Platform.h>

#if ENABLE(LLINT)

#include "Opcode.h"

#if ENABLE(LLINT_C_LOOP)

namespace JSC {

// The following is a set of alias for the opcode names. This is needed
// because there is code (e.g. in GetByIdStatus.cpp and PutByIdStatus.cpp)
// which refers to the opcodes expecting them to be prefixed with "llint_".
// In the CLoop implementation, the 2 are equivalent. Hence, we set up this
// alias here.

#define LLINT_OPCODE_ALIAS(opcode, length) \
    const OpcodeID llint_##opcode = opcode;
FOR_EACH_CORE_OPCODE_ID(LLINT_OPCODE_ALIAS)
#undef LLINT_OPCODE_ALIAS

} // namespace JSC

#else // !ENABLE(LLINT_C_LOOP)

#define LLINT_INSTRUCTION_DECL(opcode, length) extern "C" void llint_##opcode();
    FOR_EACH_OPCODE_ID(LLINT_INSTRUCTION_DECL);
#undef LLINT_INSTRUCTION_DECL

#define DECLARE_LLINT_NATIVE_HELPER(name, length) extern "C" void name();
    FOR_EACH_LLINT_NATIVE_HELPER(DECLARE_LLINT_NATIVE_HELPER)
#undef DECLARE_LLINT_NATIVE_HELPER

#endif // !ENABLE(LLINT_C_LOOP)

#endif // ENABLE(LLINT)

#endif // LowLevelInterpreter_h