Separate output files for --trace-hydrogen.

src/isolate.cc

 // Copyright 2012 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 320 matching lines @@
   storage->Unlink();
   storage->LinkTo(&free_list_);
 }
 
 Isolate* Isolate::default_isolate_ = NULL;
 Thread::LocalStorageKey Isolate::isolate_key_;
 Thread::LocalStorageKey Isolate::thread_id_key_;
 Thread::LocalStorageKey Isolate::per_isolate_thread_data_key_;
 Mutex* Isolate::process_wide_mutex_ = OS::CreateMutex();
 Isolate::ThreadDataTable* Isolate::thread_data_table_ = NULL;
-
+Atomic32 Isolate::isolate_counter_ = 0;
 
 Isolate::PerIsolateThreadData* Isolate::AllocatePerIsolateThreadData(
     ThreadId thread_id) {
   ASSERT(!thread_id.Equals(ThreadId::Invalid()));
   PerIsolateThreadData* per_thread = new PerIsolateThreadData(this, thread_id);
   {
     ScopedLock lock(process_wide_mutex_);
     ASSERT(thread_data_table_->Lookup(this, thread_id) == NULL);
     thread_data_table_->Insert(per_thread);
     ASSERT(thread_data_table_->Lookup(this, thread_id) == per_thread);
@@ skipping 1265 matching lines @@
     if (data->isolate() == isolate) Remove(data);
     data = next;
   }
 }
 
 
 #ifdef DEBUG
 #define TRACE_ISOLATE(tag)                                              \
   do {                                                                  \
     if (FLAG_trace_isolates) {                                          \
-      PrintF("Isolate %p " #tag "\n", reinterpret_cast<void*>(this));   \
+      PrintF("Isolate %p (id %d)" #tag "\n",                            \
+             reinterpret_cast<void*>(this), id());                      \
     }                                                                   \
   } while (false)
 #else
 #define TRACE_ISOLATE(tag)
 #endif
 
 
 Isolate::Isolate()
     : state_(UNINITIALIZED),
       embedder_data_(NULL),
@@ skipping 39 matching lines @@
       has_installed_extensions_(false),
       string_tracker_(NULL),
       regexp_stack_(NULL),
       date_cache_(NULL),
       code_stub_interface_descriptors_(NULL),
       context_exit_happened_(false),
       deferred_handles_head_(NULL),
       optimizing_compiler_thread_(this),
       marking_thread_(NULL),
       sweeper_thread_(NULL) {
+  id_ = NoBarrier_AtomicIncrement(&isolate_counter_, 1);
   TRACE_ISOLATE(constructor);
 
   memset(isolate_addresses_, 0,
       sizeof(isolate_addresses_[0]) * (kIsolateAddressCount + 1));
 
   heap_.isolate_ = this;
   stack_guard_.isolate_ = this;
 
   // ThreadManager is initialized early to support locking an isolate
   // before it is entered.
@@ skipping 607 matching lines @@
   }
   if (deferred->next_ != NULL) {
     deferred->next_->previous_ = deferred->previous_;
   }
   if (deferred->previous_ != NULL) {
     deferred->previous_->next_ = deferred->next_;
   }
 }
 
 
+HTracer* Isolate::GetHTracer() {
+  if (htracer() == NULL) set_htracer(new HTracer(id()));
+  return htracer();
+}
+
+
 CodeStubInterfaceDescriptor*
     Isolate::code_stub_interface_descriptor(int index) {
   return code_stub_interface_descriptors_ + index;
 }
 
 
 #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