Add a write buffer, aligned so that a single bit tells us whether it has...

src/v8.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 21 matching lines @@
 #include "deoptimizer.h"
 #include "heap-profiler.h"
 #include "hydrogen.h"
 #include "lithium-allocator.h"
 #include "log.h"
 #include "oprofile-agent.h"
 #include "runtime-profiler.h"
 #include "serialize.h"
 #include "simulator.h"
 #include "stub-cache.h"
+#include "write-buffer.h"
 
 namespace v8 {
 namespace internal {
 
 bool V8::is_running_ = false;
 bool V8::has_been_setup_ = false;
 bool V8::has_been_disposed_ = false;
 bool V8::has_fatal_error_ = false;
 bool V8::use_crankshaft_ = true;
 
@@ skipping 34 matching lines @@
 #endif
 
   { // NOLINT
     // Ensure that the thread has a valid stack guard.  The v8::Locker object
     // will ensure this too, but we don't have to use lockers if we are only
     // using one thread.
     ExecutionAccess lock;
     StackGuard::InitThread(lock);
   }
 
+  WriteBuffer::Setup();
+
   // Setup the object heap
   ASSERT(!Heap::HasBeenSetup());
   if (!Heap::Setup(create_heap_objects)) {
     SetFatalError();
     return false;
   }
 
   Bootstrapper::Initialize(create_heap_objects);
   Builtins::Setup(create_heap_objects);
   Top::Initialize();
@@ skipping 67 matching lines @@
 
   Top::TearDown();
 
   HeapProfiler::TearDown();
   CpuProfiler::TearDown();
   RuntimeProfiler::TearDown();
 
   Logger::TearDown();
   Heap::TearDown();
 
+  WriteBuffer::TearDown();
+
   is_running_ = false;
   has_been_disposed_ = true;
 }
 
 
 static uint32_t random_seed() {
   if (FLAG_random_seed == 0) {
     return random();
   }
   return FLAG_random_seed;
@@ skipping 66 matching lines @@
   // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)).
   const double binary_million = 1048576.0;
   r->double_value = binary_million;
   r->uint64_t_value |=  random_bits;
   r->double_value -= binary_million;
 
   return heap_number;
 }
 
 } }  // namespace v8::internal