Fix disassembly output from oprofile.

Only send the inscructions part of a code object to oprofile when reporting dynamically generated code. Before the code object header was also reported to oprofile as code which caused strange disassembly output when using opannotate.
Review URL: http://codereview.chromium.org/125126

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2174 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/codegen.cc

@@ -306,8 +306,8 @@ Handle<JSFunction> CodeGenerator::BuildBoilerplate(FunctionLiteral* node) {
 
 #ifdef ENABLE_OPROFILE_AGENT
     OProfileAgent::CreateNativeCodeRegion(*node->name(),
-                                          code->address(),
-                                          code->ExecutableSize());
+                                          code->instruction_start(),
+                                          code->instruction_size());
 #endif
   }
 

src/compiler.cc

@@ -181,13 +181,15 @@ static Handle<JSFunction> MakeFunction(bool is_global,
           String::cast(script->name())->ToCString(DISALLOW_NULLS);
       LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG,
                           *code, *data));
-      OProfileAgent::CreateNativeCodeRegion(*data, code->address(),
-                                            code->ExecutableSize());
+      OProfileAgent::CreateNativeCodeRegion(*data,
+                                            code->instruction_start(),
+                                            code->instruction_size());
     } else {
       LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG,
                           *code, ""));
       OProfileAgent::CreateNativeCodeRegion(is_eval ? "Eval" : "Script",
-          code->address(), code->ExecutableSize());
+                                            code->instruction_start(),
+                                            code->instruction_size());
     }
   }
 #endif
@@ -386,12 +388,14 @@ bool Compiler::CompileLazy(Handle<SharedFunctionInfo> shared,
                           String::cast(script->name()), line_num));
       OProfileAgent::CreateNativeCodeRegion(*func_name,
                                             String::cast(script->name()),
-                                            line_num, code->address(),
-                                            code->ExecutableSize());
+                                            line_num,
+                                            code->instruction_start(),
+                                            code->instruction_size());
     } else {
       LOG(CodeCreateEvent(Logger::LAZY_COMPILE_TAG, *code, *func_name));
-      OProfileAgent::CreateNativeCodeRegion(*func_name, code->address(),
-                                            code->ExecutableSize());
+      OProfileAgent::CreateNativeCodeRegion(*func_name,
+                                            code->instruction_start(),
+                                            code->instruction_size());
     }
   }
 #endif