Extracting relocation info from the code object....

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 524 matching lines @@
   if (function->IsJSFunction()) {
     Handle<SharedFunctionInfo> shared(JSFunction::cast(function)->shared());
     Object* script_obj = shared->script();
     if (script_obj->IsScript()) {
       Handle<Script> script(Script::cast(script_obj));
       accumulator->Add(" [");
       accumulator->PrintName(script->name());
 
       Address pc = this->pc();
       if (code != NULL && code->kind() == Code::FUNCTION &&
-          pc >= code->instruction_start() && pc < code->relocation_start()) {
+          pc >= code->instruction_start() && pc < code->instruction_end()) {
         int source_pos = code->SourcePosition(pc);
         int line = GetScriptLineNumberSafe(script, source_pos) + 1;
         accumulator->Add(":%d", line);
       } else {
         int function_start_pos = shared->start_position();
         int line = GetScriptLineNumberSafe(script, function_start_pos) + 1;
         accumulator->Add(":~%d", line);
       }
 
       accumulator->Add("] ");
@@ skipping 258 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