Fixed numerous issues that were causing errors in profiler log processing

src/log.h

 // 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 149 matching lines @@
   static void ApiEntryCall(const char* name);
 
 
   // ==== Events logged by --log-code. ====
   // Emits a code create event.
   static void CodeCreateEvent(const char* tag, Code* code, const char* source);
   static void CodeCreateEvent(const char* tag, Code* code, String* name);
   static void CodeCreateEvent(const char* tag, Code* code, String* name,
                               String* source, int line);
   static void CodeCreateEvent(const char* tag, Code* code, int args_count);
+  // Emits a code create event for a RegExp.
+  static void RegExpCodeCreateEvent(Code* code, String* source);
   static void CodeAllocateEvent(Code* code, Assembler* assem);
   // Emits a code move event.
   static void CodeMoveEvent(Address from, Address to);
   // Emits a code delete event.
   static void CodeDeleteEvent(Address from);
   // Emits region delimiters
   static void BeginCodeRegionEvent(CodeRegion* region,
                                    Assembler* masm,
                                    const char* name);
   static void EndCodeRegionEvent(CodeRegion* region, Assembler* masm);
@@ skipping 40 matching lines @@
 
   // Emits a profiler tick event. Used by the profiler thread.
   static void TickEvent(TickSample* sample, bool overflow);
 
   static void ApiEvent(const char* name, ...);
 
   // Logs a StringEvent regardless of whether FLAG_log is true.
   static void UncheckedStringEvent(const char* name, const char* value);
 
   // Size of buffer used for formatting log messages.
-  static const int kMessageBufferSize = 256;
+  static const int kMessageBufferSize = 2048;
 
   // Buffer used for formatting log messages. This is a singleton buffer and
   // mutex_ should be acquired before using it.
   static char* message_buffer_;
 
   // When logging is active, logfile_ refers the file events are written to.
   // mutex_ should be acquired before using logfile_.
   static FILE* logfile_;
 
   // The sampler used by the profiler and the sliding state window.
@@ skipping 40 matching lines @@
   void Trace(TickSample* sample);
  private:
 
   unsigned int low_stack_bound_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LOG_H_