code.vuplus.com Git - vuplus_webkit/blob - Source/JavaScriptCore/heap/WriteBarrierSupport.cpp

   1 /*
   2  * Copyright (C) 2011 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. AND ITS CONTRIBUTORS ``AS IS''
  14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23  * THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "WriteBarrierSupport.h"
  28
  29 namespace JSC {
  30
  31 #if ENABLE(WRITE_BARRIER_PROFILING)
  32 GlobalSamplingCounter WriteBarrierCounters::usesWithBarrierFromCpp;
  33 GlobalSamplingCounter WriteBarrierCounters::usesWithoutBarrierFromCpp;
  34 GlobalSamplingCounter WriteBarrierCounters::usesWithBarrierFromJit;
  35 GlobalSamplingCounter WriteBarrierCounters::usesForPropertiesFromJit;
  36 GlobalSamplingCounter WriteBarrierCounters::usesForVariablesFromJit;
  37 GlobalSamplingCounter WriteBarrierCounters::usesWithoutBarrierFromJit;
  38
  39 void WriteBarrierCounters::initialize()
  40 {
  41     usesWithBarrierFromCpp.name("WithBarrierFromCpp");
  42     usesWithoutBarrierFromCpp.name("WithoutBarrierFromCpp");
  43     usesWithBarrierFromJit.name("WithBarrierFromJit");
  44     usesForPropertiesFromJit.name("WriteForPropertiesFromJit");
  45     usesForVariablesFromJit.name("WriteForVariablesFromJit");
  46     usesWithoutBarrierFromJit.name("WithoutBarrierFromJit");
  47 }
  48 #else
  49 char WriteBarrierCounters::usesWithBarrierFromCpp;
  50 char WriteBarrierCounters::usesWithoutBarrierFromCpp;
  51 #endif
  52
  53 } // namespace JSC
  54