468e51b677
The methodology used to generate this CL is documented in https://crbug.com/1098010#c34. No-Try: true Bug: 1098010 Change-Id: Iafb266228260abedd345bc3e8c1d483c3a4dc4d6 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3891087 Commit-Queue: Mark Mentovai <mark@chromium.org> Auto-Submit: Avi Drissman <avi@chromium.org> Owners-Override: Avi Drissman <avi@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org> Cr-Commit-Position: refs/heads/main@{#1046550}
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
// Copyright 2013 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef GIN_V8_INITIALIZER_H_
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#define GIN_V8_INITIALIZER_H_
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#include <stdint.h>
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#include "base/files/file.h"
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#include "base/files/memory_mapped_file.h"
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#include "build/build_config.h"
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#include "gin/array_buffer.h"
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#include "gin/gin_export.h"
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#include "gin/public/isolate_holder.h"
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#include "gin/public/v8_platform.h"
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#include "v8/include/v8-callbacks.h"
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#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
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#include "gin/public/v8_snapshot_file_type.h"
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#endif
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namespace v8 {
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class StartupData;
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}
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namespace gin {
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class GIN_EXPORT V8Initializer {
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public:
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// This should be called by IsolateHolder::Initialize().
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static void Initialize(IsolateHolder::ScriptMode mode,
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const std::string js_command_line_flags = {},
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v8::OOMErrorCallback oom_error_callback = nullptr);
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// Get address and size information for currently loaded snapshot.
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// If no snapshot is loaded, the return values are null for addresses
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// and 0 for sizes.
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static void GetV8ExternalSnapshotData(v8::StartupData* snapshot);
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static void GetV8ExternalSnapshotData(const char** snapshot_data_out,
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int* snapshot_size_out);
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#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
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// Load V8 snapshot from default resources, if they are available.
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static void LoadV8Snapshot(
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V8SnapshotFileType snapshot_file_type = V8SnapshotFileType::kDefault);
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// Load V8 snapshot from user provided file.
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// The region argument, if non-zero, specifies the portions
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// of the files to be mapped. Since the VM can boot with or without
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// the snapshot, this function does not return a status.
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static void LoadV8SnapshotFromFile(
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base::File snapshot_file,
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base::MemoryMappedFile::Region* snapshot_file_region,
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V8SnapshotFileType snapshot_file_type);
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#if BUILDFLAG(IS_ANDROID)
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static base::FilePath GetSnapshotFilePath(
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bool abi_32_bit,
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V8SnapshotFileType snapshot_file_type);
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#endif
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#endif // V8_USE_EXTERNAL_STARTUP_DATA
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};
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} // namespace gin
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#endif // GIN_V8_INITIALIZER_H_
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