llint/LLIntCLoop.cpp

   1 /*
   2  * Copyright (C) 2011, 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 #include "config.h"
  27 #include "LLIntCLoop.h"
  28
  29 #include "Instruction.h"
  30
  31 namespace JSC {
  32
  33 namespace LLInt {
  34
  35 #if ENABLE(LLINT_C_LOOP)
  36
  37 void CLoop::initialize()
  38 {
  39     execute(0, llint_unused, true);
  40 }
  41
  42 void* CLoop::catchRoutineFor(Instruction* catchPCForInterpreter)
  43 {
  44     return reinterpret_cast<Instruction*>(catchPCForInterpreter->u.opcode);
  45 }
  46
  47 MacroAssemblerCodePtr CLoop::hostCodeEntryFor(CodeSpecializationKind kind)
  48 {
  49     MacroAssemblerCodePtr codePtr;
  50     codePtr = (kind == CodeForCall) ?
  51         MacroAssemblerCodePtr::createLLIntCodePtr(llint_native_call_trampoline) :
  52         MacroAssemblerCodePtr::createLLIntCodePtr(llint_native_construct_trampoline);
  53     return codePtr;
  54 }
  55
  56 MacroAssemblerCodePtr CLoop::jsCodeEntryWithArityCheckFor(CodeSpecializationKind kind)
  57 {
  58     MacroAssemblerCodePtr codePtr;
  59     codePtr = (kind == CodeForCall) ?
  60         MacroAssemblerCodePtr::createLLIntCodePtr(llint_function_for_call_arity_check) :
  61         MacroAssemblerCodePtr::createLLIntCodePtr(llint_function_for_construct_arity_check);
  62     return codePtr;
  63 }
  64
  65 MacroAssemblerCodePtr CLoop::jsCodeEntryFor(CodeSpecializationKind kind)
  66 {
  67     MacroAssemblerCodePtr codePtr;
  68     codePtr = (kind == CodeForCall) ?
  69         MacroAssemblerCodePtr::createLLIntCodePtr(llint_function_for_call_prologue) :
  70         MacroAssemblerCodePtr::createLLIntCodePtr(llint_function_for_construct_prologue);
  71     return codePtr;
  72 }
  73
  74 #endif // ENABLE(LLINT_C_LOOP)
  75
  76 } } // namespace JSC::LLInt