mirror of
https://github.com/flutter/flutter.git
synced 2026-01-27 20:42:44 +08:00
9154a5285b
The Metal context/surface code was only in the `flutter` namespace but should have been in `flutter::testing` for consistency with everything else in the `testing` directory. Also squashes the declarations in the rest of that directory to match the style guide while I've got the macro still handy. [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
138 lines
4.3 KiB
C++
138 lines
4.3 KiB
C++
// Copyright 2013 The Flutter 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 "flutter/testing/elf_loader.h"
|
|
|
|
#include <utility>
|
|
|
|
#include "flutter/fml/file.h"
|
|
#include "flutter/fml/paths.h"
|
|
#include "flutter/runtime/dart_vm.h"
|
|
#include "flutter/testing/testing.h"
|
|
|
|
namespace flutter::testing {
|
|
|
|
ELFAOTSymbols LoadELFSymbolFromFixturesIfNeccessary(std::string elf_filename) {
|
|
if (!DartVM::IsRunningPrecompiledCode()) {
|
|
return {};
|
|
}
|
|
|
|
const auto elf_path =
|
|
fml::paths::JoinPaths({GetFixturesPath(), std::move(elf_filename)});
|
|
|
|
if (!fml::IsFile(elf_path)) {
|
|
FML_LOG(ERROR) << "App AOT file does not exist for this fixture. Attempts "
|
|
"to launch the Dart VM with these AOT symbols will fail.";
|
|
return {};
|
|
}
|
|
|
|
ELFAOTSymbols symbols;
|
|
|
|
#if OS_FUCHSIA
|
|
// TODO(gw280): https://github.com/flutter/flutter/issues/50285
|
|
// Dart doesn't implement Dart_LoadELF on Fuchsia
|
|
FML_LOG(ERROR) << "Dart doesn't implement Dart_LoadELF on Fuchsia";
|
|
return {};
|
|
#else
|
|
// Must not be freed.
|
|
const char* error = nullptr;
|
|
|
|
auto loaded_elf =
|
|
Dart_LoadELF(elf_path.c_str(), // file path
|
|
0, // file offset
|
|
&error, // error (out)
|
|
&symbols.vm_snapshot_data, // vm snapshot data (out)
|
|
&symbols.vm_snapshot_instrs, // vm snapshot instrs (out)
|
|
&symbols.vm_isolate_data, // vm isolate data (out)
|
|
&symbols.vm_isolate_instrs // vm isolate instr (out)
|
|
);
|
|
|
|
if (loaded_elf == nullptr) {
|
|
FML_LOG(ERROR)
|
|
<< "Could not fetch AOT symbols from loaded ELF. Attempts "
|
|
"to launch the Dart VM with these AOT symbols will fail. Error: "
|
|
<< error;
|
|
return {};
|
|
}
|
|
|
|
symbols.loaded_elf.reset(loaded_elf);
|
|
|
|
return symbols;
|
|
#endif // OS_FUCHSIA
|
|
}
|
|
|
|
ELFAOTSymbols LoadELFSplitSymbolFromFixturesIfNeccessary(
|
|
std::string elf_split_filename) {
|
|
if (!DartVM::IsRunningPrecompiledCode()) {
|
|
return {};
|
|
}
|
|
|
|
const auto elf_path =
|
|
fml::paths::JoinPaths({GetFixturesPath(), std::move(elf_split_filename)});
|
|
|
|
if (!fml::IsFile(elf_path)) {
|
|
// We do not log here, as there is no expectation for a split library to
|
|
// exist.
|
|
return {};
|
|
}
|
|
|
|
ELFAOTSymbols symbols;
|
|
|
|
#if OS_FUCHSIA
|
|
// TODO(gw280): https://github.com/flutter/flutter/issues/50285
|
|
// Dart doesn't implement Dart_LoadELF on Fuchsia
|
|
FML_LOG(ERROR) << "Dart doesn't implement Dart_LoadELF on Fuchsia";
|
|
return {};
|
|
#else
|
|
// Must not be freed.
|
|
const char* error = nullptr;
|
|
|
|
auto loaded_elf =
|
|
Dart_LoadELF(elf_path.c_str(), // file path
|
|
0, // file offset
|
|
&error, // error (out)
|
|
&symbols.vm_snapshot_data, // vm snapshot data (out)
|
|
&symbols.vm_snapshot_instrs, // vm snapshot instrs (out)
|
|
&symbols.vm_isolate_data, // vm isolate data (out)
|
|
&symbols.vm_isolate_instrs // vm isolate instr (out)
|
|
);
|
|
|
|
if (loaded_elf == nullptr) {
|
|
FML_LOG(ERROR)
|
|
<< "Could not fetch AOT symbols from loaded ELF. Attempts "
|
|
"to launch the Dart VM with these AOT symbols will fail. Error: "
|
|
<< error;
|
|
return {};
|
|
}
|
|
|
|
symbols.loaded_elf.reset(loaded_elf);
|
|
|
|
return symbols;
|
|
#endif
|
|
}
|
|
|
|
bool PrepareSettingsForAOTWithSymbols(Settings& settings,
|
|
const ELFAOTSymbols& symbols) {
|
|
if (!DartVM::IsRunningPrecompiledCode()) {
|
|
return false;
|
|
}
|
|
settings.vm_snapshot_data = [&]() {
|
|
return std::make_unique<fml::NonOwnedMapping>(symbols.vm_snapshot_data, 0u);
|
|
};
|
|
settings.isolate_snapshot_data = [&]() {
|
|
return std::make_unique<fml::NonOwnedMapping>(symbols.vm_isolate_data, 0u);
|
|
};
|
|
settings.vm_snapshot_instr = [&]() {
|
|
return std::make_unique<fml::NonOwnedMapping>(symbols.vm_snapshot_instrs,
|
|
0u);
|
|
};
|
|
settings.isolate_snapshot_instr = [&]() {
|
|
return std::make_unique<fml::NonOwnedMapping>(symbols.vm_isolate_instrs,
|
|
0u);
|
|
};
|
|
return true;
|
|
}
|
|
|
|
} // namespace flutter::testing
|