Add a new API V8::SetJitCodeEventHandler to push code name and location to users such as profilers.

src/gdb-jit.cc

 // Copyright 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 28 matching lines @@
 
 namespace v8 {
 namespace internal {
 
 #ifdef __APPLE__
 #define __MACH_O
 class MachO;
 class MachOSection;
 typedef MachO DebugObject;
 typedef MachOSection DebugSection;
-#else
+#elif !defined(WIN32)  // DO NOT SUBMIT

[danno, 2012/07/25 13:50:42]

What is this change for?

[Sigurður Ásgeirsson, 2012/07/25 14:38:35]

Reverted, sorry.

 #define __ELF
 class ELF;
 class ELFSection;
 typedef ELF DebugObject;
 typedef ELFSection DebugSection;
+#else
+typedef void DebugObject;
 #endif
 
 class Writer BASE_EMBEDDED {
  public:
   explicit Writer(DebugObject* debug_object)
       : debug_object_(debug_object),
         position_(0),
         capacity_(1024),
         buffer_(reinterpret_cast<byte*>(malloc(capacity_))) {
   }
@@ skipping 2085 matching lines @@
   ScopedLock lock(mutex.Pointer());
   ASSERT(!IsLineInfoTagged(line_info));
   HashMap::Entry* e = GetEntries()->Lookup(code, HashForCodeObject(code), true);
   ASSERT(e->value == NULL);
   e->value = TagLineInfo(line_info);
 }
 
 
 } }  // namespace v8::internal
 #endif