Avoid TLS access for counters.

src/frames.cc

 // Copyright 2006-2008 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 1129 matching lines @@
     HeapObject* next = iterator.next();
     if (next == NULL || next->address() >= pc) {
       return GcSafeCastToCode(previous, pc);
     }
     previous = next;
   }
 }
 
 
 PcToCodeCache::PcToCodeCacheEntry* PcToCodeCache::GetCacheEntry(Address pc) {
-  COUNTERS->pc_to_code()->Increment();
+  isolate_->counters()->pc_to_code()->Increment();
   ASSERT(IsPowerOf2(kPcToCodeCacheSize));
   uint32_t hash = ComputeIntegerHash(
       static_cast<uint32_t>(reinterpret_cast<uintptr_t>(pc)));
   uint32_t index = hash & (kPcToCodeCacheSize - 1);
   PcToCodeCacheEntry* entry = cache(index);
   if (entry->pc == pc) {
-    COUNTERS->pc_to_code_cached()->Increment();
+    isolate_->counters()->pc_to_code_cached()->Increment();
     ASSERT(entry->code == GcSafeFindCodeForPc(pc));
   } else {
     // Because this code may be interrupted by a profiling signal that
     // also queries the cache, we cannot update pc before the code has
     // been set. Otherwise, we risk trying to use a cache entry before
     // the code has been computed.
     entry->code = GcSafeFindCodeForPc(pc);
     entry->safepoint_entry.Reset();
     entry->pc = pc;
   }
@@ skipping 65 matching lines @@
   ZoneList<StackFrame*> list(10);
   for (StackFrameIterator it; !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame());
     list.Add(frame);
   }
   return list.ToVector();
 }
 
 
 } }  // namespace v8::internal