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

src/assembler.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 25 matching lines @@
 #define V8_ASSEMBLER_H_
 
 #include "v8.h"
 
 #include "allocation.h"
 #include "builtins.h"
 #include "gdb-jit.h"
 #include "isolate.h"
 #include "runtime.h"
 #include "token.h"
+#include "third_party/vtune/vtune-jit.h"
 
 namespace v8 {
 
 class ApiFunction;
 
 namespace internal {
 
 struct StatsCounter;
 const unsigned kNoASTId = -1;
 // -----------------------------------------------------------------------------
@@ skipping 701 matching lines @@
 };
 
 
 class PositionsRecorder BASE_EMBEDDED {
  public:
   explicit PositionsRecorder(Assembler* assembler)
       : assembler_(assembler) {
 #ifdef ENABLE_GDB_JIT_INTERFACE
     gdbjit_lineinfo_ = NULL;
 #endif
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+    vtunejit_lineinfo_ = NULL;
+#endif
+  }
+
+  ~PositionsRecorder() {
+#ifdef ENABLE_GDB_JIT_INTERFACE
+    delete gdbjit_lineinfo_;
+#endif
+#ifdef ENABLE_VTUNE_JIT_INTERFACE
+    delete vtunejit_lineinfo_;
+#endif
   }
 
 #ifdef ENABLE_GDB_JIT_INTERFACE
-  ~PositionsRecorder() {
-    delete gdbjit_lineinfo_;
-  }
-
   void StartGDBJITLineInfoRecording() {
     if (FLAG_gdbjit) {
       gdbjit_lineinfo_ = new GDBJITLineInfo();
     }
   }
 
   GDBJITLineInfo* DetachGDBJITLineInfo() {
     GDBJITLineInfo* lineinfo = gdbjit_lineinfo_;
     gdbjit_lineinfo_ = NULL;  // To prevent deallocation in destructor.
     return lineinfo;
   }
 #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);
 
   // Set current statement position to pos.
   void RecordStatementPosition(int pos);
 
   // Write recorded positions to relocation information.
   bool WriteRecordedPositions();
 
   int current_position() const { return state_.current_position; }
 
   int current_statement_position() const {
     return state_.current_statement_position;
   }
 
  private:
   Assembler* assembler_;
   PositionState state_;
 #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;
 
   DISALLOW_COPY_AND_ASSIGN(PositionsRecorder);
 };
 
 
 class PreservePositionScope BASE_EMBEDDED {
  public:
   explicit PreservePositionScope(PositionsRecorder* positions_recorder)
@@ skipping 73 matching lines @@
  public:
   NullCallWrapper() { }
   virtual ~NullCallWrapper() { }
   virtual void BeforeCall(int call_size) const { }
   virtual void AfterCall() const { }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_