Add tsan support to v8's gyp and test driver.

Tests only the default variant for now.

BUG=
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/412853002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

build/standalone.gypi

@@ -35,6 +35,7 @@
     'component%': 'static_library',
     'clang%': 0,
     'asan%': 0,
+    'tsan%': 0,
     'visibility%': 'hidden',
     'v8_enable_backtrace%': 0,
     'v8_enable_i18n_support%': 1,
@@ -186,6 +187,27 @@
         ],
       },
     }],
+    ['tsan==1', {
+      'target_defaults': {
+        'cflags+': [
+          '-fno-omit-frame-pointer',
+          '-gline-tables-only',
+          '-fsanitize=thread',
+          '-fPIC',
+          '-Wno-c++11-extensions',
+        ],
+        'cflags!': [
+          '-fomit-frame-pointer',
+        ],
+        'ldflags': [
+          '-fsanitize=thread',
+          '-pie',
+        ],
+        'defines': [
+          'THREAD_SANITIZER',
+        ],
+      },
+    }],
     ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
        or OS=="netbsd"', {
       'target_defaults': {

tools/run-deopt-fuzzer.py

@@ -388,6 +388,7 @@ def Execute(arch, mode, args, options, suites, workspace):
     "no_snap": False,
     "simulator": utils.UseSimulator(arch),
     "system": utils.GuessOS(),
+    "tsan": False,
   }
   all_tests = []
   num_tests = 0

tools/run-tests.py

@@ -213,6 +213,9 @@ def BuildOptions():
                     default=False, action="store_true")
   result.add_option("-t", "--timeout", help="Timeout in seconds",
                     default= -1, type="int")
+  result.add_option("--tsan",
+                    help="Regard test expectations for TSAN",
+                    default=False, action="store_true")
   result.add_option("-v", "--verbose", help="Verbose output",
                     default=False, action="store_true")
   result.add_option("--valgrind", help="Run tests through valgrind",
@@ -275,6 +278,9 @@ def ProcessOptions(options):
   if options.asan:
     options.extra_flags.append("--invoke-weak-callbacks")
 
+  if options.tsan:
+    VARIANTS = ["default"]
+
   if options.j == 0:
     options.j = multiprocessing.cpu_count()
 
@@ -459,6 +465,7 @@ def Execute(arch, mode, args, options, suites, workspace):
     "simulator_run": simulator_run,
     "simulator": utils.UseSimulator(arch),
     "system": utils.GuessOS(),
+    "tsan": options.tsan,
   }
   all_tests = []
   num_tests = 0