llint/LowLevelInterpreter.h

   1 /*
   2  * Copyright (C) 2012 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef LowLevelInterpreter_h
  27 #define LowLevelInterpreter_h
  28
  29 #include <wtf/Platform.h>
  30
  31 #if ENABLE(LLINT)
  32
  33 #include "Opcode.h"
  34
  35 #if ENABLE(LLINT_C_LOOP)
  36
  37 namespace JSC {
  38
  39 // The following is a set of alias for the opcode names. This is needed
  40 // because there is code (e.g. in GetByIdStatus.cpp and PutByIdStatus.cpp)
  41 // which refers to the opcodes expecting them to be prefixed with "llint_".
  42 // In the CLoop implementation, the 2 are equivalent. Hence, we set up this
  43 // alias here.
  44
  45 #define LLINT_OPCODE_ALIAS(opcode, length) \
  46     const OpcodeID llint_##opcode = opcode;
  47 FOR_EACH_CORE_OPCODE_ID(LLINT_OPCODE_ALIAS)
  48 #undef LLINT_OPCODE_ALIAS
  49
  50 } // namespace JSC
  51
  52 #else // !ENABLE(LLINT_C_LOOP)
  53
  54 #define LLINT_INSTRUCTION_DECL(opcode, length) extern "C" void llint_##opcode();
  55     FOR_EACH_OPCODE_ID(LLINT_INSTRUCTION_DECL);
  56 #undef LLINT_INSTRUCTION_DECL
  57
  58 #define DECLARE_LLINT_NATIVE_HELPER(name, length) extern "C" void name();
  59     FOR_EACH_LLINT_NATIVE_HELPER(DECLARE_LLINT_NATIVE_HELPER)
  60 #undef DECLARE_LLINT_NATIVE_HELPER
  61
  62 #endif // !ENABLE(LLINT_C_LOOP)
  63
  64 #endif // ENABLE(LLINT)
  65
  66 #endif // LowLevelInterpreter_h