Adding support for reporting addresses of JIT compiled code to OProfile

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 89917d8edfd5471909acfd3391394f7c4ae65c0d..c82fa093c8bf280f77dec9234ec2811b9f9afd25 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -35,6 +35,7 @@
 #include "scopes.h"
 #include "rewriter.h"
 #include "usage-analyzer.h"
+#include "oprofile-agent.h"
 
 namespace v8 { namespace internal {
 
@@ -123,16 +124,20 @@ static Handle<JSFunction> MakeFunction(bool is_global,
     return Handle<JSFunction>::null();
   }
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
+#if defined ENABLE_LOGGING_AND_PROFILING || defined ENABLE_OPROFILE_AGENT
   // Log the code generation for the script. Check explicit whether logging is
   // to avoid allocating when not required.
-  if (Logger::is_enabled()) {
+  if (Logger::is_enabled() || OProfileAgent::is_enabled()) {
     if (script->name()->IsString()) {
       SmartPointer<char> data =
           String::cast(script->name())->ToCString(DISALLOW_NULLS);
       LOG(CodeCreateEvent(is_eval ? "Eval" : "Script", *code, *data));
+      OProfileAgent::CreateNativeCodeRegion(*data, code->address(),
+                                            code->ExecutableSize());
     } else {
       LOG(CodeCreateEvent(is_eval ? "Eval" : "Script", *code, ""));
+      OProfileAgent::CreateNativeCodeRegion(is_eval ? "Eval" : "Script",
+          code->address(), code->ExecutableSize());
     }
   }
 #endif
@@ -306,11 +311,11 @@ bool Compiler::CompileLazy(Handle<SharedFunctionInfo> shared,
     return false;
   }
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
+#if defined ENABLE_LOGGING_AND_PROFILING || defined ENABLE_OPROFILE_AGENT
   // Log the code generation. If source information is available include script
   // name and line number. Check explicit whether logging is enabled as finding
   // the line number is not for free.
-  if (Logger::is_enabled()) {
+  if (Logger::is_enabled() || OProfileAgent::is_enabled()) {
     if (script->name()->IsString()) {
       int line_num = script->GetLineNumber(start_position);
       if (line_num > 0) {
@@ -318,8 +323,14 @@ bool Compiler::CompileLazy(Handle<SharedFunctionInfo> shared,
       }
       LOG(CodeCreateEvent("LazyCompile", *code, *lit->name(),
                           String::cast(script->name()), line_num));
+      OProfileAgent::CreateNativeCodeRegion(*lit->name(),
+                                            String::cast(script->name()),
+                                            line_num, code->address(),
+                                            code->ExecutableSize());
     } else {
       LOG(CodeCreateEvent("LazyCompile", *code, *lit->name()));
+      OProfileAgent::CreateNativeCodeRegion(*lit->name(), code->address(),
+                                            code->ExecutableSize());
     }
   }
 #endif