deps: upgrade V8 to 4.5.103.30

Pick up v8/v8@f9a0a16
Commit log at https://chromium.googlesource.com/v8/v8.git/+log/branch-heads/4.5

PR-URL: #2632
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: rvagg - Rod Vagg <rod@vagg.org>

Author: ofrobots

deps/v8/BUILD.gn

@@ -1077,6 +1077,8 @@ source_set("v8_base") {
     "src/splay-tree.h",
     "src/splay-tree-inl.h",
     "src/snapshot/snapshot.h",
+    "src/startup-data-util.h",
+    "src/startup-data-util.cc",
     "src/string-builder.cc",
     "src/string-builder.h",
     "src/string-search.cc",
@@ -1678,8 +1680,6 @@ if ((current_toolchain == host_toolchain && v8_toolset_for_d8 == "host") ||
     sources = [
       "src/d8.cc",
       "src/d8.h",
-      "src/startup-data-util.h",
-      "src/startup-data-util.cc",
     ]
 
     configs -= [ "//build/config/compiler:chromium_code" ]

deps/v8/include/v8-version.h

@@ -11,7 +11,7 @@
 #define V8_MAJOR_VERSION 4
 #define V8_MINOR_VERSION 5
 #define V8_BUILD_NUMBER 103
-#define V8_PATCH_LEVEL 24
+#define V8_PATCH_LEVEL 30
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)

deps/v8/include/v8.h

@@ -6247,6 +6247,25 @@ class V8_EXPORT V8 {
    */
   static bool InitializeICU(const char* icu_data_file = NULL);
 
+  /**
+   * Initialize the external startup data. The embedder only needs to
+   * invoke this method when external startup data was enabled in a build.
+   *
+   * If V8 was compiled with the startup data in an external file, then
+   * V8 needs to be given those external files during startup. There are
+   * three ways to do this:
+   * - InitializeExternalStartupData(const char*)
+   *   This will look in the given directory for files "natives_blob.bin"
+   *   and "snapshot_blob.bin" - which is what the default build calls them.
+   * - InitializeExternalStartupData(const char*, const char*)
+   *   As above, but will directly use the two given file names.
+   * - Call SetNativesDataBlob, SetNativesDataBlob.
+   *   This will read the blobs from the given data structures and will
+   *   not perform any file IO.
+   */
+  static void InitializeExternalStartupData(const char* directory_path);
+  static void InitializeExternalStartupData(const char* natives_blob,
+                                            const char* snapshot_blob);
   /**
    * Sets the v8::Platform to use. This should be invoked before V8 is
    * initialized.

deps/v8/samples/hello-world.cc

@@ -25,6 +25,7 @@ class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
 int main(int argc, char* argv[]) {
   // Initialize V8.
   V8::InitializeICU();
+  V8::InitializeExternalStartupData(argv[0]);
   Platform* platform = platform::CreateDefaultPlatform();
   V8::InitializePlatform(platform);
   V8::Initialize();

deps/v8/samples/process.cc

@@ -686,6 +686,7 @@ void PrintMap(map<string, string>* m) {
 
 int main(int argc, char* argv[]) {
   v8::V8::InitializeICU();
+  v8::V8::InitializeExternalStartupData(argv[0]);
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);
   v8::V8::Initialize();

deps/v8/samples/shell.cc

@@ -75,6 +75,7 @@ class ShellArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
 
 int main(int argc, char* argv[]) {
   v8::V8::InitializeICU();
+  v8::V8::InitializeExternalStartupData(argv[0]);
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);
   v8::V8::Initialize();

deps/v8/src/api.cc

@@ -49,6 +49,7 @@
 #include "src/simulator.h"
 #include "src/snapshot/natives.h"
 #include "src/snapshot/snapshot.h"
+#include "src/startup-data-util.h"
 #include "src/unicode-inl.h"
 #include "src/v8threads.h"
 #include "src/version.h"
@@ -5398,11 +5399,23 @@ HeapObjectStatistics::HeapObjectStatistics()
       object_count_(0),
       object_size_(0) {}
 
+
 bool v8::V8::InitializeICU(const char* icu_data_file) {
   return i::InitializeICU(icu_data_file);
 }
 
 
+void v8::V8::InitializeExternalStartupData(const char* directory_path) {
+  i::InitializeExternalStartupData(directory_path);
+}
+
+
+void v8::V8::InitializeExternalStartupData(const char* natives_blob,
+                                           const char* snapshot_blob) {
+  i::InitializeExternalStartupData(natives_blob, snapshot_blob);
+}
+
+
 const char* v8::V8::GetVersion() {
   return i::Version::GetVersion();
 }

deps/v8/src/arm/assembler-arm.cc

@@ -128,7 +128,8 @@ void CpuFeatures::ProbeImpl(bool cross_compile) {
   if (FLAG_enable_32dregs && cpu.has_vfp3_d32()) supported_ |= 1u << VFP32DREGS;
 
   if (cpu.implementer() == base::CPU::NVIDIA &&
-      cpu.variant() == base::CPU::NVIDIA_DENVER) {
+      cpu.variant() == base::CPU::NVIDIA_DENVER &&
+      cpu.part() <= base::CPU::NVIDIA_DENVER_V10) {
     supported_ |= 1u << COHERENT_CACHE;
   }
 #endif

deps/v8/src/arm64/assembler-arm64.cc

@@ -53,7 +53,8 @@ void CpuFeatures::ProbeImpl(bool cross_compile) {
   // Probe for runtime features
   base::CPU cpu;
   if (cpu.implementer() == base::CPU::NVIDIA &&
-      cpu.variant() == base::CPU::NVIDIA_DENVER) {
+      cpu.variant() == base::CPU::NVIDIA_DENVER &&
+      cpu.part() <= base::CPU::NVIDIA_DENVER_V10) {
     supported_ |= 1u << COHERENT_CACHE;
   }
 }

deps/v8/src/base/cpu.h

@@ -59,6 +59,9 @@ class CPU final {
   static const int ARM_CORTEX_A12 = 0xc0c;
   static const int ARM_CORTEX_A15 = 0xc0f;
 
+  // Denver-specific part code
+  static const int NVIDIA_DENVER_V10 = 0x002;
+
   // PPC-specific part codes
   enum {
     PPC_POWER5,