unplugged-system/frameworks/libs/binary_translation/base/config_globals_custom.cc

85 lines
2.1 KiB
C++

/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "berberis/base/config_globals.h"
#include <bitset>
#include <string>
#include "berberis/base/logging.h"
#include "berberis/base/strings.h"
namespace berberis {
namespace {
std::string ToString(ConfigFlag flag) {
switch (flag) {
case kVerboseTranslation:
return "verbose-translation";
case kNumConfigFlags:
break;
}
return "<unknown-config-flag>";
}
std::bitset<kNumConfigFlags> MakeConfigFlagsSet() {
ConfigStr var("BERBERIS_FLAGS", "ro.berberis.flags");
std::bitset<kNumConfigFlags> flags_set;
if (!var.get()) {
return flags_set;
}
auto token_vector = Split(var.get(), ",");
for (const auto& token : token_vector) {
bool found = false;
for (int flag = 0; flag < kNumConfigFlags; flag++) {
if (token == ToString(ConfigFlag(flag))) {
flags_set.set(flag);
found = true;
break;
}
}
if (!found) {
ALOGW("Unrecognized config flag '%s' - ignoring", token.c_str());
}
}
return flags_set;
}
} // namespace
const char* GetTracingConfig() {
static ConfigStr var("BERBERIS_TRACING", "berberis.tracing");
return var.get();
}
const char* GetTranslationModeConfig() {
static ConfigStr var("BERBERIS_MODE", "berberis.mode");
return var.get();
}
const char* GetProfilingConfig() {
static ConfigStr var("BERBERIS_PROFILING", "berberis.profiling");
return var.get();
}
bool IsConfigFlagSet(ConfigFlag flag) {
static auto flags_set = MakeConfigFlagsSet();
return flags_set.test(flag);
}
} // namespace berberis