[Isolates] Convert more static data either to read-only or to per-isolate.

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 319 matching lines @@
       transcendental_cache_(NULL),
       memory_allocator_(NULL),
       keyed_lookup_cache_(NULL),
       context_slot_cache_(NULL),
       descriptor_lookup_cache_(NULL),
       handle_scope_implementer_(NULL),
       scanner_character_classes_(NULL),
       in_use_list_(0),
       free_list_(0),
       preallocated_storage_preallocated_(false),
+      pc_to_code_cache_(NULL),
       write_input_buffer_(NULL),
       global_handles_(NULL),
       context_switcher_(NULL),
       thread_manager_(NULL),
       ast_sentinels_(NULL),
       inline_runtime_functions_table_(NULL),
       string_tracker_(NULL),
       regexp_stack_(NULL),
       frame_element_constant_list_(0),
       result_constant_list_(0),
@@ skipping 130 matching lines @@
 
   delete counters_;
   counters_ = NULL;
   delete cpu_features_;
   cpu_features_ = NULL;
 
   delete compilation_cache_;
   compilation_cache_ = NULL;
   delete bootstrapper_;
   bootstrapper_ = NULL;
+  delete pc_to_code_cache_;
+  pc_to_code_cache_ = NULL;
   delete write_input_buffer_;
   write_input_buffer_ = NULL;
 
   delete context_switcher_;
   context_switcher_ = NULL;
   delete thread_manager_;
   thread_manager_ = NULL;
 
   delete string_tracker_;
   string_tracker_ = NULL;
@@ skipping 47 matching lines @@
   string_tracker_ = new StringTracker();
   string_tracker_->isolate_ = this;
   thread_manager_ = new ThreadManager();
   thread_manager_->isolate_ = this;
   compilation_cache_ = new CompilationCache();
   transcendental_cache_ = new TranscendentalCache();
   keyed_lookup_cache_ = new KeyedLookupCache();
   context_slot_cache_ = new ContextSlotCache();
   descriptor_lookup_cache_ = new DescriptorLookupCache();
   scanner_character_classes_ = new ScannerCharacterClasses();
+  pc_to_code_cache_ = new PcToCodeCache(this);
   write_input_buffer_ = new StringInputBuffer();
   global_handles_ = new GlobalHandles();
   bootstrapper_ = new Bootstrapper();
   cpu_features_ = new CpuFeatures();
   handle_scope_implementer_ = new HandleScopeImplementer();
   stub_cache_ = new StubCache(this);
   ast_sentinels_ = new AstSentinels();
   inline_runtime_functions_table_ = new InlineRuntimeFunctionsTable();
   regexp_stack_ = new RegExpStack();
   regexp_stack_->isolate_ = this;
@@ skipping 182 matching lines @@
   PerIsolateThreadData* previous_thread_data = item->previous_thread_data;
   Isolate* previous_isolate = item->previous_isolate;
 
   delete item;
 
   // Reinit the current thread for the isolate it was running before this one.
   SetIsolateThreadLocals(previous_isolate, previous_thread_data);
 }
 
 } }  // namespace v8::internal