VM initialization refactoring.

src/isolate.cc

 // Copyright 2006-2010 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 396 matching lines @@
     : state_(UNINITIALIZED),
       entry_stack_(NULL),
       stack_trace_nesting_level_(0),
       incomplete_message_(NULL),
       preallocated_memory_thread_(NULL),
       preallocated_message_space_(NULL),
       bootstrapper_(NULL),
       runtime_profiler_(NULL),
       compilation_cache_(NULL),
       counters_(new Counters()),
-      cpu_features_(NULL),
       code_range_(NULL),
       break_access_(OS::CreateMutex()),
       logger_(new Logger()),
       stats_table_(new StatsTable()),
       stub_cache_(NULL),
       deoptimizer_data_(NULL),
       capture_stack_trace_for_uncaught_exceptions_(false),
       stack_trace_for_uncaught_exceptions_frame_limit_(0),
       stack_trace_for_uncaught_exceptions_options_(StackTrace::kOverview),
       transcendental_cache_(NULL),
@@ skipping 158 matching lines @@
   delete stub_cache_;
   stub_cache_ = NULL;
   delete stats_table_;
   stats_table_ = NULL;
 
   delete logger_;
   logger_ = NULL;
 
   delete counters_;
   counters_ = NULL;
-  delete cpu_features_;
-  cpu_features_ = NULL;
 
   delete handle_scope_implementer_;
   handle_scope_implementer_ = NULL;
   delete break_access_;
   break_access_ = NULL;
 
   delete compilation_cache_;
   compilation_cache_ = NULL;
   delete bootstrapper_;
   bootstrapper_ = NULL;
@@ skipping 65 matching lines @@
   compilation_cache_ = new CompilationCache(this);
   transcendental_cache_ = new TranscendentalCache();
   keyed_lookup_cache_ = new KeyedLookupCache();
   context_slot_cache_ = new ContextSlotCache();
   descriptor_lookup_cache_ = new DescriptorLookupCache();
   scanner_constants_ = new ScannerConstants();
   pc_to_code_cache_ = new PcToCodeCache(this);
   write_input_buffer_ = new StringInputBuffer();
   global_handles_ = new GlobalHandles(this);
   bootstrapper_ = new Bootstrapper();
-  cpu_features_ = new CpuFeatures();
   handle_scope_implementer_ = new HandleScopeImplementer();
   stub_cache_ = new StubCache(this);
   ast_sentinels_ = new AstSentinels();
   regexp_stack_ = new RegExpStack();
   regexp_stack_->isolate_ = this;
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
   producer_heap_profile_ = new ProducerHeapProfile();
   producer_heap_profile_->isolate_ = this;
 #endif
@@ skipping 24 matching lines @@
 #endif
 
   if (state_ == UNINITIALIZED && !PreInit()) return false;
 
   // Enable logging before setting up the heap
   logger_->Setup();
 
   CpuProfiler::Setup();
   HeapProfiler::Setup();
 
-  // Setup the platform OS support.
-  OS::Setup();
-
   // Initialize other runtime facilities
 #if defined(USE_SIMULATOR)
 #if defined(V8_TARGET_ARCH_ARM) || defined(V8_TARGET_ARCH_MIPS)
   Simulator::Initialize();
 #endif
 #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
@@ skipping 38 matching lines @@
   // If we are deserializing, read the state into the now-empty heap.
   if (des != NULL) {
     des->Deserialize();
     stub_cache_->Clear();
   }
 
   // Deserializing may put strange things in the root array's copy of the
   // stack guard.
   heap_.SetStackLimits();
 
-  // Setup the CPU support. Must be done after heap setup and after
-  // any deserialization because we have to have the initial heap
-  // objects in place for creating the code object used for probing.
-  CPU::Setup();
-
   deoptimizer_data_ = new DeoptimizerData;
   runtime_profiler_ = new RuntimeProfiler(this);
   runtime_profiler_->Setup();
 
   // If we are deserializing, log non-function code objects and compiled
   // functions found in the snapshot.
   if (des != NULL && FLAG_log_code) {
     HandleScope scope;
     LOG(this, LogCodeObjects());
     LOG(this, LogCompiledFunctions());
@@ skipping 82 matching lines @@
 
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
 #undef ISOLATE_FIELD_OFFSET
 #endif
 
 } }  // namespace v8::internal