Update V8 to f52a483305b2c524b6f2fa9066c8fb097fc11a47

fhinkel · Mar 14, 2017 · f4ec76a · f4ec76a
1 parent ac61d0c
commit f4ec76a
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Showing 133 changed files with 2,447 additions and 3,908 deletions.
diff --git a/deps/v8/.gn b/deps/v8/.gn
@@ -21,5 +21,7 @@ check_targets = []
 # These are the list of GN files that run exec_script. This whitelist exists
 # to force additional review for new uses of exec_script, which is strongly
 # discouraged except for gypi_to_gn calls.
-exec_script_whitelist =
-    build_dotfile_settings.exec_script_whitelist + [ "//test/test262/BUILD.gn" ]
+exec_script_whitelist = build_dotfile_settings.exec_script_whitelist + [
+                          "//test/test262/BUILD.gn",
+                          "//BUILD.gn",
+                        ]
diff --git a/deps/v8/BUILD.gn b/deps/v8/BUILD.gn
@@ -104,6 +104,19 @@ declare_args() {
   v8_enable_gdbjit = ((v8_current_cpu == "x86" || v8_current_cpu == "x64" ||
                        v8_current_cpu == "x87") && (is_linux || is_mac)) ||
                      (v8_current_cpu == "ppc64" && is_linux)
+
+  # Set v8_host_byteorder
+  v8_host_byteorder = "little"
+
+  # ppc64 can be either BE or LE
+  if (host_cpu == "ppc64") {
+    v8_host_byteorder =
+        exec_script("//tools/get_byteorder.py", [], "trim string")
+  }
+  if (host_cpu == "ppc" || host_cpu == "s390" || host_cpu == "s390x" ||
+      host_cpu == "mips" || host_cpu == "mips64") {
+    v8_host_byteorder = "big"
+  }
 }
 
 # Derived defaults.
@@ -361,8 +374,31 @@ config("toolchain") {
     if (v8_current_cpu == "s390x") {
       defines += [ "V8_TARGET_ARCH_S390X" ]
     }
-    if (host_cpu == "x64" || host_cpu == "x86") {
+    if (v8_host_byteorder == "little") {
       defines += [ "V8_TARGET_ARCH_S390_LE_SIM" ]
+    } else {
+      cflags += [ "-march=z196" ]
+    }
+  }
+  if (v8_current_cpu == "ppc" || v8_current_cpu == "ppc64") {
+    defines += [ "V8_TARGET_ARCH_PPC" ]
+    if (v8_current_cpu == "ppc64") {
+      defines += [ "V8_TARGET_ARCH_PPC64" ]
+    }
+    if (v8_host_byteorder == "little") {
+      defines += [ "V8_TARGET_ARCH_PPC_LE" ]
+    } else if (v8_host_byteorder == "big") {
+      defines += [ "V8_TARGET_ARCH_PPC_BE" ]
+      if (current_os == "aix") {
+        cflags += [
+          # Work around AIX ceil, trunc and round oddities.
+          "-mcpu=power5+",
+          "-mfprnd",
+
+          # Work around AIX assembler popcntb bug.
+          "-mno-popcntb",
+        ]
+      }
     }
   }
   if (v8_current_cpu == "x86") {
@@ -487,43 +523,6 @@ action("js2c") {
   }
 }
 
-action("js2c_experimental") {
-  visibility = [ ":*" ]  # Only targets in this file can depend on this.
-
-  script = "tools/js2c.py"
-
-  # The script depends on this other script, this rule causes a rebuild if it
-  # changes.
-  inputs = [
-    "tools/jsmin.py",
-  ]
-
-  # NOSORT
-  sources = [
-    "src/js/macros.py",
-    "src/messages.h",
-    "src/js/harmony-atomics.js",
-  ]
-
-  outputs = [
-    "$target_gen_dir/experimental-libraries.cc",
-  ]
-
-  args = [
-           rebase_path("$target_gen_dir/experimental-libraries.cc",
-                       root_build_dir),
-           "EXPERIMENTAL",
-         ] + rebase_path(sources, root_build_dir)
-
-  if (v8_use_external_startup_data) {
-    outputs += [ "$target_gen_dir/libraries_experimental.bin" ]
-    args += [
-      "--startup_blob",
-      rebase_path("$target_gen_dir/libraries_experimental.bin", root_build_dir),
-    ]
-  }
-}
-
 action("js2c_extras") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
@@ -634,15 +633,13 @@ if (v8_use_external_startup_data) {
 
     deps = [
       ":js2c",
-      ":js2c_experimental",
       ":js2c_experimental_extras",
       ":js2c_extras",
     ]
 
     # NOSORT
     sources = [
       "$target_gen_dir/libraries.bin",
-      "$target_gen_dir/libraries_experimental.bin",
       "$target_gen_dir/libraries_extras.bin",
       "$target_gen_dir/libraries_experimental_extras.bin",
     ]
@@ -805,15 +802,13 @@ v8_source_set("v8_nosnapshot") {
 
   deps = [
     ":js2c",
-    ":js2c_experimental",
     ":js2c_experimental_extras",
     ":js2c_extras",
     ":v8_base",
   ]
 
   sources = [
     "$target_gen_dir/experimental-extras-libraries.cc",
-    "$target_gen_dir/experimental-libraries.cc",
     "$target_gen_dir/extras-libraries.cc",
     "$target_gen_dir/libraries.cc",
     "src/snapshot/snapshot-empty.cc",
@@ -832,7 +827,6 @@ v8_source_set("v8_snapshot") {
 
   deps = [
     ":js2c",
-    ":js2c_experimental",
     ":js2c_experimental_extras",
     ":js2c_extras",
     ":v8_base",
@@ -845,7 +839,6 @@ v8_source_set("v8_snapshot") {
 
   sources = [
     "$target_gen_dir/experimental-extras-libraries.cc",
-    "$target_gen_dir/experimental-libraries.cc",
     "$target_gen_dir/extras-libraries.cc",
     "$target_gen_dir/libraries.cc",
     "$target_gen_dir/snapshot.cc",
@@ -860,7 +853,6 @@ if (v8_use_external_startup_data) {
 
     deps = [
       ":js2c",
-      ":js2c_experimental",
       ":js2c_experimental_extras",
       ":js2c_extras",
       ":v8_base",
@@ -898,7 +890,6 @@ v8_source_set("v8_base") {
 
     ### gcmole(all) ###
     "include/v8-debug.h",
-    "include/v8-experimental.h",
     "include/v8-platform.h",
     "include/v8-profiler.h",
     "include/v8-testing.h",
@@ -916,8 +907,6 @@ v8_source_set("v8_base") {
     "src/api-arguments-inl.h",
     "src/api-arguments.cc",
     "src/api-arguments.h",
-    "src/api-experimental.cc",
-    "src/api-experimental.h",
     "src/api-natives.cc",
     "src/api-natives.h",
     "src/api.cc",
@@ -1398,8 +1387,6 @@ v8_source_set("v8_base") {
     "src/external-reference-table.h",
     "src/factory.cc",
     "src/factory.h",
-    "src/fast-accessor-assembler.cc",
-    "src/fast-accessor-assembler.h",
     "src/fast-dtoa.cc",
     "src/fast-dtoa.h",
     "src/feedback-vector-inl.h",
@@ -1783,6 +1770,9 @@ v8_source_set("v8_base") {
     "src/transitions-inl.h",
     "src/transitions.cc",
     "src/transitions.h",
+    "src/trap-handler/handler-outside.cc",
+    "src/trap-handler/handler-shared.cc",
+    "src/trap-handler/trap-handler-internal.h",
     "src/trap-handler/trap-handler.h",
     "src/type-hints.cc",
     "src/type-hints.h",
@@ -1939,6 +1929,9 @@ v8_source_set("v8_base") {
       "src/x64/simulator-x64.h",
       "src/x64/sse-instr.h",
     ]
+    if (is_linux) {
+      sources += [ "src/trap-handler/handler-inside.cc" ]
+    }
   } else if (v8_current_cpu == "arm") {
     sources += [  ### gcmole(arch:arm) ###
       "src/arm/assembler-arm-inl.h",

diff --git a/deps/v8/DEPS b/deps/v8/DEPS
@@ -8,15 +8,15 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "1748b434c77f774e6046d6cd721e7534a9643163",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "7de5863ecae56a4c730bf6e204844809c8a5c9a1",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "e7079f0e0e14108ab0dba58728ff219637458563",
   "v8/third_party/icu":
     Var("chromium_url") + "/chromium/deps/icu.git" + "@" + "450be73c9ee8ae29d43d4fdc82febb2a5f62bfb5",
   "v8/third_party/instrumented_libraries":
     Var("chromium_url") + "/chromium/src/third_party/instrumented_libraries.git" + "@" + "62275386c19e927797e8ae6b0c6e57a76c9c6f3c",
   "v8/buildtools":
-    Var("chromium_url") + "/chromium/buildtools.git" + "@" + "b3771b1935ea74c388b6fb1750e83f5d83b39dec",
+    Var("chromium_url") + "/chromium/buildtools.git" + "@" + "e6b510a9daf822bbe9f922c200c58150803d2fd8",
   "v8/base/trace_event/common":
     Var("chromium_url") + "/chromium/src/base/trace_event/common.git" + "@" + "06294c8a4a6f744ef284cd63cfe54dbf61eea290",
   "v8/third_party/jinja2":
@@ -34,11 +34,11 @@ deps = {
   "v8/test/mozilla/data":
     Var("chromium_url") + "/v8/deps/third_party/mozilla-tests.git" + "@" + "f6c578a10ea707b1a8ab0b88943fe5115ce2b9be",
   "v8/test/test262/data":
-    Var("chromium_url") + "/external/github.com/tc39/test262.git" + "@" + "a72ee6d91275aa6524e84a9b7070103411ef2689",
+    Var("chromium_url") + "/external/github.com/tc39/test262.git" + "@" + "975e54de17ede3d8802dd7411181dbbc29147308",
   "v8/test/test262/harness":
     Var("chromium_url") + "/external/github.com/test262-utils/test262-harness-py.git" + "@" + "0f2acdd882c84cff43b9d60df7574a1901e2cdcd",
   "v8/tools/clang":
-    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "49cece5b02431a848652c7f60dd7b06d94e8d625",
+    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "f0916116c79ff2d9e16f1a7b5b538f7e059a22e4",
   "v8/test/wasm-js":
     Var("chromium_url") + "/external/github.com/WebAssembly/spec.git" + "@" + "002e57c86ccf5c80db0de6e40246665340350c43",
 }
@@ -48,7 +48,7 @@ deps_os = {
     "v8/third_party/android_tools":
       Var("chromium_url") + "/android_tools.git" + "@" + "b43a6a289a7588b1769814f04dd6c7d7176974cc",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "4550ebce30c0593fb85be7890b84b942e8b7af57",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "1ec68b3ec601050947ad07144cef43bf5545fb22",
   },
   "win": {
     "v8/third_party/cygwin":

diff --git a/deps/v8/include/v8-experimental.h b/deps/v8/include/v8-experimental.h
diff --git a/deps/v8/include/v8.h b/deps/v8/include/v8.h
@@ -137,10 +137,6 @@ class CallHandlerHelper;
 class EscapableHandleScope;
 template<typename T> class ReturnValue;
 
-namespace experimental {
-class FastAccessorBuilder;
-}  // namespace experimental
-
 namespace internal {
 class Arguments;
 class Heap;
@@ -5100,16 +5096,6 @@ class V8_EXPORT FunctionTemplate : public Template {
   static MaybeLocal<FunctionTemplate> FromSnapshot(Isolate* isolate,
                                                    size_t index);
 
-  /**
-   * Creates a function template with a fast handler. If a fast handler is set,
-   * the callback cannot be null.
-   */
-  static Local<FunctionTemplate> NewWithFastHandler(
-      Isolate* isolate, FunctionCallback callback,
-      experimental::FastAccessorBuilder* fast_handler = nullptr,
-      Local<Value> data = Local<Value>(),
-      Local<Signature> signature = Local<Signature>(), int length = 0);
-
   /**
    * Creates a function template backed/cached by a private property.
    */
@@ -5137,9 +5123,8 @@ class V8_EXPORT FunctionTemplate : public Template {
    * callback is called whenever the function created from this
    * FunctionTemplate is called.
    */
-  void SetCallHandler(
-      FunctionCallback callback, Local<Value> data = Local<Value>(),
-      experimental::FastAccessorBuilder* fast_handler = nullptr);
+  void SetCallHandler(FunctionCallback callback,
+                      Local<Value> data = Local<Value>());
 
   /** Set the predefined length property for the FunctionTemplate. */
   void SetLength(int length);
@@ -7633,6 +7618,35 @@ class V8_EXPORT V8 {
    */
   static void ShutdownPlatform();
 
+#if V8_OS_LINUX && V8_TARGET_ARCH_X64
+  /**
+   * Give the V8 signal handler a chance to handle a fault.
+   *
+   * This function determines whether a memory access violation can be recovered
+   * by V8. If so, it will return true and modify context to return to a code
+   * fragment that can recover from the fault. Otherwise, TryHandleSignal will
+   * return false.
+   *
+   * The parameters to this function correspond to those passed to a Linux
+   * signal handler.
+   *
+   * \param signal_number The signal number.
+   *
+   * \param info A pointer to the siginfo_t structure provided to the signal
+   * handler.
+   *
+   * \param context The third argument passed to the Linux signal handler, which
+   * points to a ucontext_t structure.
+   */
+  static bool TryHandleSignal(int signal_number, void* info, void* context);
+#endif  // V8_OS_LINUX
+
+  /**
+   * Enable the default signal handler rather than using one provided by the
+   * embedder.
+   */
+  static bool RegisterDefaultSignalHandler();
+
  private:
   V8();