deps: update V8 to 6.0.286.52

PR-URL: https://github.com/nodejs/node/pull/14004
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

8 files changed, 288 insertions, 0 deletions

diff --git a/deps/v8/test/mkgrokdump/BUILD.gn b/deps/v8/test/mkgrokdump/BUILD.gn
new file mode 100644
index 0000000000..5359f675d0
--- /dev/null
+++ b/deps/v8/test/mkgrokdump/BUILD.gn
@@ -0,0 +1,27 @@
+# Copyright 2017 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("../../gni/v8.gni")
+
+v8_executable("mkgrokdump") {
+  testonly = true
+
+  # mkgrokdump is used to create tools/v8heapconst.py.
+
+  sources = [
+    "mkgrokdump.cc",
+  ]
+
+  configs = [ "../..:internal_config_base" ]
+
+  defines = []
+
+  deps = [
+    "../..:v8",
+    "../..:v8_libbase",
+    "../..:v8_libplatform",
+    "//build/config:exe_and_shlib_deps",
+    "//build/win:default_exe_manifest",
+  ]
+}
diff --git a/deps/v8/test/mkgrokdump/DEPS b/deps/v8/test/mkgrokdump/DEPS
new file mode 100644
index 0000000000..3e73aa244f
--- /dev/null
+++ b/deps/v8/test/mkgrokdump/DEPS
@@ -0,0 +1,3 @@
+include_rules = [
+  "+src",
+]
diff --git a/deps/v8/test/mkgrokdump/README b/deps/v8/test/mkgrokdump/README
new file mode 100644
index 0000000000..2ee5ab099f
--- /dev/null
+++ b/deps/v8/test/mkgrokdump/README
@@ -0,0 +1,3 @@
+If you change the heap layout, expect this test to fail (in CQ). You will then
+need to build x64 release and run `<outdir>/mkgrokdump > tools/v8heapconst.py`
+to rebaseline.
diff --git a/deps/v8/test/mkgrokdump/mkgrokdump.cc b/deps/v8/test/mkgrokdump/mkgrokdump.cc
new file mode 100644
index 0000000000..e5a41a13ba
--- /dev/null
+++ b/deps/v8/test/mkgrokdump/mkgrokdump.cc
@@ -0,0 +1,133 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <stdio.h>
+
+#include "include/libplatform/libplatform.h"
+#include "include/v8.h"
+
+#include "src/frames.h"
+#include "src/heap/heap.h"
+#include "src/heap/spaces.h"
+#include "src/isolate.h"
+#include "src/objects-inl.h"
+
+namespace v8 {
+
+static const char* kHeader =
+    "# Copyright 2017 the V8 project authors. All rights reserved.\n"
+    "# Use of this source code is governed by a BSD-style license that can\n"
+    "# be found in the LICENSE file.\n"
+    "\n"
+    "# This file is automatically generated by mkgrokdump and should not\n"
+    "# be modified manually.\n"
+    "\n"
+    "# List of known V8 instance types.\n";
+
+// Non-snapshot builds allocate objects to different places.
+// Debug builds emit debug code, affecting code object sizes.
+#if defined(V8_USE_SNAPSHOT) && !defined(DEBUG)
+static const char* kBuild = "shipping";
+#else
+static const char* kBuild = "non-shipping";
+#endif
+
+class MockArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
+ public:
+  void* Allocate(size_t length) override { return nullptr; }
+  void* AllocateUninitialized(size_t length) override { return nullptr; }
+  void Free(void* p, size_t) override {}
+};
+
+static int DumpHeapConstants(const char* argv0) {
+  // Start up V8.
+  v8::Platform* platform = v8::platform::CreateDefaultPlatform();
+  v8::V8::InitializePlatform(platform);
+  v8::V8::Initialize();
+  v8::V8::InitializeExternalStartupData(argv0);
+  Isolate::CreateParams create_params;
+  MockArrayBufferAllocator mock_arraybuffer_allocator;
+  create_params.array_buffer_allocator = &mock_arraybuffer_allocator;
+  Isolate* isolate = Isolate::New(create_params);
+  {
+    Isolate::Scope scope(isolate);
+    i::Heap* heap = reinterpret_cast<i::Isolate*>(isolate)->heap();
+    i::PrintF("%s", kHeader);
+#define DUMP_TYPE(T) i::PrintF("  %d: \"%s\",\n", i::T, #T);
+    i::PrintF("INSTANCE_TYPES = {\n");
+    INSTANCE_TYPE_LIST(DUMP_TYPE)
+    i::PrintF("}\n");
+#undef DUMP_TYPE
+
+    // Dump the KNOWN_MAP table to the console.
+    i::PrintF("\n# List of known V8 maps.\n");
+#define ROOT_LIST_CASE(type, name, camel_name) \
+  if (n == NULL && o == heap->name()) n = #camel_name;
+#define STRUCT_LIST_CASE(upper_name, camel_name, name) \
+  if (n == NULL && o == heap->name##_map()) n = #camel_name "Map";
+    i::HeapObjectIterator it(heap->map_space());
+    i::PrintF("KNOWN_MAPS = {\n");
+    for (i::Object* o = it.Next(); o != NULL; o = it.Next()) {
+      i::Map* m = i::Map::cast(o);
+      const char* n = NULL;
+      intptr_t p = reinterpret_cast<intptr_t>(m) & 0x7ffff;
+      int t = m->instance_type();
+      ROOT_LIST(ROOT_LIST_CASE)
+      STRUCT_LIST(STRUCT_LIST_CASE)
+      if (n == NULL) continue;
+      i::PrintF("  0x%05" V8PRIxPTR ": (%d, \"%s\"),\n", p, t, n);
+    }
+    i::PrintF("}\n");
+#undef STRUCT_LIST_CASE
+#undef ROOT_LIST_CASE
+
+    // Dump the KNOWN_OBJECTS table to the console.
+    i::PrintF("\n# List of known V8 objects.\n");
+#define ROOT_LIST_CASE(type, name, camel_name) \
+  if (n == NULL && o == heap->name()) {        \
+    n = #camel_name;                           \
+    i = i::Heap::k##camel_name##RootIndex;     \
+  }
+    i::OldSpaces spit(heap);
+    i::PrintF("KNOWN_OBJECTS = {\n");
+    for (i::PagedSpace* s = spit.next(); s != NULL; s = spit.next()) {
+      i::HeapObjectIterator it(s);
+      // Code objects are generally platform-dependent.
+      if (s->identity() == i::CODE_SPACE) continue;
+      const char* sname = AllocationSpaceName(s->identity());
+      for (i::Object* o = it.Next(); o != NULL; o = it.Next()) {
+        const char* n = NULL;
+        i::Heap::RootListIndex i = i::Heap::kStrongRootListLength;
+        intptr_t p = reinterpret_cast<intptr_t>(o) & 0x7ffff;
+        ROOT_LIST(ROOT_LIST_CASE)
+        if (n == NULL) continue;
+        if (!i::Heap::RootIsImmortalImmovable(i)) continue;
+        i::PrintF("  (\"%s\", 0x%05" V8PRIxPTR "): \"%s\",\n", sname, p, n);
+      }
+    }
+    i::PrintF("}\n");
+#undef ROOT_LIST_CASE
+
+    // Dump frame markers
+    i::PrintF("\n# List of known V8 Frame Markers.\n");
+#define DUMP_MARKER(T, class) i::PrintF("  \"%s\",\n", #T);
+    i::PrintF("FRAME_MARKERS = (\n");
+    STACK_FRAME_TYPE_LIST(DUMP_MARKER)
+    i::PrintF(")\n");
+#undef DUMP_TYPE
+  }
+
+  i::PrintF("\n# This set of constants is generated from a %s build.\n",
+            kBuild);
+
+  // Teardown.
+  isolate->Dispose();
+  v8::V8::ShutdownPlatform();
+  delete platform;
+  return 0;
+}
+
+}  // namespace v8
+
+int main(int argc, char* argv[]) { return v8::DumpHeapConstants(argv[0]); }
diff --git a/deps/v8/test/mkgrokdump/mkgrokdump.gyp b/deps/v8/test/mkgrokdump/mkgrokdump.gyp
new file mode 100644
index 0000000000..56f9ad14e0
--- /dev/null
+++ b/deps/v8/test/mkgrokdump/mkgrokdump.gyp
@@ -0,0 +1,46 @@
+# Copyright 2017 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'variables': {
+    'v8_code': 1,
+  },
+  'includes': ['../../gypfiles/toolchain.gypi', '../../gypfiles/features.gypi'],
+  'targets': [
+    {
+      'target_name': 'mkgrokdump',
+      'type': 'executable',
+      'dependencies': [
+        '../../src/v8.gyp:v8',
+        '../../src/v8.gyp:v8_libbase',
+        '../../src/v8.gyp:v8_libplatform',
+      ],
+      'include_dirs': [
+        '../..',
+      ],
+      'sources': [
+        'mkgrokdump.cc',
+      ],
+    },
+  ],
+  'conditions': [
+    ['test_isolation_mode != "noop"', {
+      'targets': [
+        {
+          'target_name': 'mkgrokdump_run',
+          'type': 'none',
+          'dependencies': [
+            'mkgrokdump',
+          ],
+          'includes': [
+            '../../gypfiles/isolate.gypi',
+          ],
+          'sources': [
+            'mkgrokdump.isolate',
+          ],
+        },
+      ],
+    }],
+  ],
+}
diff --git a/deps/v8/test/mkgrokdump/mkgrokdump.isolate b/deps/v8/test/mkgrokdump/mkgrokdump.isolate
new file mode 100644
index 0000000000..b2cbc32551
--- /dev/null
+++ b/deps/v8/test/mkgrokdump/mkgrokdump.isolate
@@ -0,0 +1,17 @@
+# Copyright 2017 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+{
+  'variables': {
+    'files': [
+      './mkgrokdump.status',
+      './testcfg.py',
+      '../../tools/v8heapconst.py',
+      '<(PRODUCT_DIR)/mkgrokdump<(EXECUTABLE_SUFFIX)',
+    ],
+  },
+  'includes': [
+    '../../src/base.isolate',
+    '../../tools/testrunner/testrunner.isolate',
+  ],
+}
diff --git a/deps/v8/test/mkgrokdump/mkgrokdump.status b/deps/v8/test/mkgrokdump/mkgrokdump.status
new file mode 100644
index 0000000000..8fd6a0417a
--- /dev/null
+++ b/deps/v8/test/mkgrokdump/mkgrokdump.status
@@ -0,0 +1,10 @@
+# Copyright 2017 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+[
+# Only test for default mode x64.
+['variant != default or arch != x64', {
+  '*': [SKIP],
+}],  # variant != default or arch != x64
+]
diff --git a/deps/v8/test/mkgrokdump/testcfg.py b/deps/v8/test/mkgrokdump/testcfg.py
new file mode 100644
index 0000000000..c47b59de4a
--- /dev/null
+++ b/deps/v8/test/mkgrokdump/testcfg.py
@@ -0,0 +1,49 @@
+# Copyright 2017 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import os
+import difflib
+
+from testrunner.local import testsuite
+from testrunner.objects import testcase
+
+
+class MkGrokdump(testsuite.TestSuite):
+
+  def __init__(self, name, root):
+    super(MkGrokdump, self).__init__(name, root)
+
+  def ListTests(self, context):
+    test = testcase.TestCase(self, self.shell())
+    return [test]
+
+  def GetFlagsForTestCase(self, testcase, context):
+    return []
+
+  def IsFailureOutput(self, testcase):
+    output = testcase.output
+    v8_path = os.path.dirname(os.path.dirname(os.path.abspath(self.root)))
+    expected_path = os.path.join(v8_path, "tools", "v8heapconst.py")
+    with open(expected_path) as f:
+      expected = f.read()
+    expected_lines = expected.splitlines()
+    actual_lines = output.stdout.splitlines()
+    diff = difflib.unified_diff(expected_lines, actual_lines, lineterm="",
+                                fromfile="expected_path")
+    diffstring = '\n'.join(diff)
+    if diffstring is not "":
+      if "generated from a non-shipping build" in output.stdout:
+        return False
+      if not "generated from a shipping build" in output.stdout:
+        output.stdout = "Unexpected output:\n\n" + output.stdout
+        return True
+      output.stdout = diffstring
+      return True
+    return False
+
+  def shell(self):
+    return "mkgrokdump"
+
+def GetSuite(name, root):
+  return MkGrokdump(name, root)