blob: 0189f594f939322a7b5ec65d2f2612afa5660d4e [file] [log] [blame]
// Copyright 2013 The Chromium 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 "base/files/file.h"
#include "gin/array_buffer.h"
#include "gin/gin_export.h"
#include "gin/public/isolate_holder.h"
#include "gin/public/v8_platform.h"
#include "v8/include/v8.h"
namespace gin {
class GIN_EXPORT V8Initializer {
// This should be called by IsolateHolder::Initialize().
static void Initialize(gin::IsolateHolder::ScriptMode mode);
// Get address and size information for currently loaded snapshot.
// If no snapshot is loaded, the return values are null for addresses
// and 0 for sizes.
static void GetV8ExternalSnapshotData(const char** natives_data_out,
int* natives_size_out,
const char** snapshot_data_out,
int* snapshot_size_out);
// Load V8 snapshot from user provided platform file descriptors.
// The offset and size arguments, if non-zero, specify the portions
// of the files to be loaded. This methods returns true on success
// (or if snapshot is already loaded), false otherwise.
static bool LoadV8SnapshotFromFD(base::PlatformFile natives_fd,
int64 natives_offset,
int64 natives_size,
base::PlatformFile snapshot_fd,
int64 snapshot_offset,
int64 snapshot_size);
// Load V8 snapshot from default resources. Returns true on success or
// snapshot is already loaded, false otherwise.
static bool LoadV8Snapshot();
// Opens the V8 snapshot data files and returns open file descriptors to these
// files in |natives_fd_out| and |snapshot_fd_out|, which can be passed to
// child processes.
static bool OpenV8FilesForChildProcesses(base::PlatformFile* natives_fd_out,
base::PlatformFile* snapshot_fd_out);
} // namespace gin