| // 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. |
| |
| #ifndef GIN_V8_INITIALIZER_H_ |
| #define GIN_V8_INITIALIZER_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/files/file.h" |
| #include "base/files/memory_mapped_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 { |
| public: |
| // This should be called by IsolateHolder::Initialize(). |
| static void Initialize(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(v8::StartupData* snapshot); |
| static void GetV8ExternalSnapshotData(const char** snapshot_data_out, |
| int* snapshot_size_out); |
| |
| #if defined(V8_USE_EXTERNAL_STARTUP_DATA) |
| // Indicates which file to load as a snapshot blob image. |
| enum class V8SnapshotFileType { |
| kDefault, |
| |
| // Snapshot augmented with customized contexts, which can be deserialized |
| // using v8::Context::FromSnapshot. |
| kWithAdditionalContext, |
| }; |
| |
| // Load V8 snapshot from default resources, if they are available. |
| static void LoadV8Snapshot( |
| V8SnapshotFileType snapshot_file_type = V8SnapshotFileType::kDefault); |
| |
| // Load V8 snapshot from user provided file. |
| // The region argument, if non-zero, specifies the portions |
| // of the files to be mapped. Since the VM can boot with or without |
| // the snapshot, this function does not return a status. |
| static void LoadV8SnapshotFromFile( |
| base::File snapshot_file, |
| base::MemoryMappedFile::Region* snapshot_file_region, |
| V8SnapshotFileType snapshot_file_type); |
| |
| #if defined(OS_ANDROID) |
| static base::FilePath GetSnapshotFilePath( |
| bool abi_32_bit, |
| V8SnapshotFileType snapshot_file_type); |
| #endif |
| |
| #endif // V8_USE_EXTERNAL_STARTUP_DATA |
| |
| }; |
| |
| } // namespace gin |
| |
| #endif // GIN_V8_INITIALIZER_H_ |