blob: 2918c6235688ee4eb7c43387296e6d24145c14aa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// 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_
|
