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
68
69
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/v8_snapshot_files.h"
#include <variant>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "build/build_config.h"
#include "content/public/common/content_descriptor_keys.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "tools/v8_context_snapshot/buildflags.h"
namespace content {
#if BUILDFLAG(IS_ANDROID) && BUILDFLAG(USE_V8_CONTEXT_SNAPSHOT)
namespace {
void registerContextSnapshotAndroid(
std::map<std::string, std::variant<base::FilePath, base::ScopedFD>>&
files) {
#ifdef __LP64__
files[kV8ContextSnapshot64DataDescriptor] =
#else
files[kV8ContextSnapshot32DataDescriptor] =
#endif // __LP64__
base::FilePath(FILE_PATH_LITERAL("assets"))
.Append(FILE_PATH_LITERAL(BUILDFLAG(V8_CONTEXT_SNAPSHOT_FILENAME)));
}
} // namespace
#endif // BUILDFLAG(IS_ANDROID)
std::map<std::string, std::variant<base::FilePath, base::ScopedFD>>
GetV8SnapshotFilesToPreload(base::CommandLine& process_command_line) {
std::map<std::string, std::variant<base::FilePath, base::ScopedFD>> files;
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
#if BUILDFLAG(USE_V8_CONTEXT_SNAPSHOT)
files[kV8ContextSnapshotDataDescriptor] = base::FilePath(
FILE_PATH_LITERAL(BUILDFLAG(V8_CONTEXT_SNAPSHOT_FILENAME)));
#else
files[kV8SnapshotDataDescriptor] =
base::FilePath(FILE_PATH_LITERAL("snapshot_blob.bin"));
#endif
#elif BUILDFLAG(IS_ANDROID)
#if !BUILDFLAG(USE_V8_CONTEXT_SNAPSHOT) || BUILDFLAG(INCLUDE_BOTH_V8_SNAPSHOTS)
#if BUILDFLAG(INCLUDE_BOTH_V8_SNAPSHOTS)
if (base::FeatureList::IsEnabled(features::kUseContextSnapshot)) {
process_command_line.AppendSwitch(switches::kUseContextSnapshotSwitch);
registerContextSnapshotAndroid(files);
}
#endif // BUILDFLAG(INCLUDE_BOTH_V8_SNAPSHOTS)
#ifdef __LP64__
files[kV8Snapshot64DataDescriptor] =
base::FilePath(FILE_PATH_LITERAL("assets/snapshot_blob_64.bin"));
#else
files[kV8Snapshot32DataDescriptor] =
base::FilePath(FILE_PATH_LITERAL("assets/snapshot_blob_32.bin"));
#endif // __LP64__
#elif BUILDFLAG(USE_V8_CONTEXT_SNAPSHOT)
registerContextSnapshotAndroid(files);
#endif // !BUILDFLAG(USE_V8_CONTEXT_SNAPSHOT) ||
// BUILDFLAG(INCLUDE_BOTH_V8_SNAPSHOTS)
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
return files;
}
} // namespace content
|
