Added labelled thread names to help with some debugging activity. Right now,...

src/top.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 152 matching lines @@
   clear_pending_message();
   clear_scheduled_exception();
 }
 
 
 // Create a dummy thread that will wait forever on a semaphore. The only
 // purpose for this thread is to have some stack area to save essential data
 // into for use by a stacks only core dump (aka minidump).
 class PreallocatedMemoryThread: public Thread {
  public:
-  PreallocatedMemoryThread() : keep_running_(true) {
+  PreallocatedMemoryThread()
+    : Thread("v8:PreallocMem"),
+      keep_running_(true) {
     wait_for_ever_semaphore_ = OS::CreateSemaphore(0);
     data_ready_semaphore_ = OS::CreateSemaphore(0);
   }
 
   // When the thread starts running it will allocate a fixed number of bytes
   // on the stack and publish the location of this memory for others to use.
   void Run() {
     EmbeddedVector<char, 15 * 1024> local_buffer;
 
     // Initialize the buffer with a known good value.
@@ skipping 911 matching lines @@
 #ifdef V8_TARGET_ARCH_ARM
   thread_local_.simulator_ = assembler::arm::Simulator::current();
 #elif V8_TARGET_ARCH_MIPS
   thread_local_.simulator_ = assembler::mips::Simulator::current();
 #endif
 #endif
   return from + sizeof(thread_local_);
 }
 
 } }  // namespace v8::internal