Intel VTune integration for V8/D8

SConstruct

Index: SConstruct
===================================================================
--- SConstruct	(revision 13219)
+++ SConstruct	(working copy)
@@ -234,6 +234,9 @@
     'gdbjit:on': {
       'CPPDEFINES':   ['ENABLE_GDB_JIT_INTERFACE']
     },
+    'vtunejit:on': {
+    'CPPDEFINES': ['ENABLE_VTUNE_JIT_INTERFACE']
+    },
     'compress_startup_data:bz2': {
       'CPPDEFINES':   ['COMPRESS_STARTUP_DATA_BZ2']
     }
@@ -293,6 +296,9 @@
           'LINKFLAGS':    ['/LTCG:PGO']
         }
       }
+    },
+    'vtunejit:on': {
+      'CPPDEFINES': ['ENABLE_VTUNE_JIT_INTERFACE']
     }
   }
 }
@@ -488,6 +494,9 @@
       'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions'],
       'LINKFLAGS':    ['$CCFLAGS'],
     },
+    'vtunejit:on': {
+      'LIBS': ['jitprofiling'],
+    },
     'os:linux': {
       'LIBS':         ['pthread'],
     },
@@ -611,6 +620,10 @@
     'all': {
       'LIBS': ['winmm', 'ws2_32']
     },
+    'vtunejit:on': {
+      'LIBS': ['jitprofiling'],
+      'LINKFLAGS': ['/DEBUG']
+    },
     'verbose:off': {
       'CCFLAGS': ['/nologo'],
       'LINKFLAGS': ['/NOLOGO']
@@ -1031,6 +1044,11 @@
     'default': 'off',
     'help': 'enable GDB JIT interface'
   },
+  'vtunejit': {
+    'values': ['on', 'off'],
+    'default': 'off',
+    'help': 'enable VTune JIT interface'
+  },
   'library': {
     'values': ['static', 'shared'],
     'default': 'static',
@@ -1301,6 +1319,8 @@
     Abort("Profiling on windows only supported for static library.")
   if env['gdbjit'] == 'on' and ((env['os'] != 'linux' and env['os'] != 'macos') or (env['arch'] != 'ia32' and env['arch'] != 'x64' and env['arch'] != 'arm')):
     Abort("GDBJIT interface is supported only for Intel-compatible (ia32 or x64) Linux/OSX target.")
+  if env['vtunejit'] == 'on' and (env['arch'] != 'ia32' and env['arch'] != 'x64'):
+    Abort("VTUNEJIT interface is supported only for Intel architectures (ia32 or x64)")
   if env['os'] == 'win32' and env['soname'] == 'on':
     Abort("Shared Object soname not applicable for Windows.")
   if env['soname'] == 'on' and env['library'] == 'static':