Enables V8 integration with the Intel VTune performance analysis tool. This allows the VTune profi…

src/assembler.h

Index: src/assembler.h
===================================================================
--- src/assembler.h	(revision 12182)
+++ src/assembler.h	(working copy)
@@ -43,6 +43,7 @@
 #include "isolate.h"
 #include "runtime.h"
 #include "token.h"
+#include "third_party/vtune/vtune-jit.h"
 
 namespace v8 {
 
@@ -764,13 +765,21 @@
 #ifdef ENABLE_GDB_JIT_INTERFACE
     gdbjit_lineinfo_ = NULL;
 #endif
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+    vtunejit_lineinfo_ = NULL;
+#endif
   }
 
+  ~PositionsRecorder() {
 #ifdef ENABLE_GDB_JIT_INTERFACE
-  ~PositionsRecorder() {
     delete gdbjit_lineinfo_;
+#endif
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+    delete vtunejit_lineinfo_;
+#endif
   }
 
+#ifdef ENABLE_GDB_JIT_INTERFACE
   void StartGDBJITLineInfoRecording() {
     if (FLAG_gdbjit) {
       gdbjit_lineinfo_ = new GDBJITLineInfo();
@@ -784,6 +793,18 @@
   }
 #endif
 
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+  void StartVtuneJITLineInfoRecording() {
+      vtunejit_lineinfo_ = new VtuneJITLineInfo();
+  }
+
+  VtuneJITLineInfo* DetachVtuneJITLineInfo() {
+    VtuneJITLineInfo* lineinfo = vtunejit_lineinfo_;
+    vtunejit_lineinfo_ = NULL;
+    return lineinfo;
+  }
+#endif
+
   // Set current position to pos.
   void RecordPosition(int pos);
 
@@ -805,6 +826,9 @@
 #ifdef ENABLE_GDB_JIT_INTERFACE
   GDBJITLineInfo* gdbjit_lineinfo_;
 #endif
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+  VtuneJITLineInfo* vtunejit_lineinfo_;

[danno, 2012/08/02 12:38:11]

Generalize to jit_code_event_line_info_

+#endif
 
   friend class PreservePositionScope;