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122 lines
4.4 KiB
122 lines
4.4 KiB
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_APP_INFO_H_
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#define ART_RUNTIME_APP_INFO_H_
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#include <vector>
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#include "base/mutex.h"
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#include <base/safe_map.h>
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namespace art {
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// Constants used by VMRuntime.java to interface with the runtime.
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// We could get them from the well known class but it's simpler to
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// redefine them here.
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// VMRuntime.CODE_PATH_TYPE_PRIMARY_APK
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static constexpr int32_t kVMRuntimePrimaryApk = 1 << 0;
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// VMRuntime.CODE_PATH_TYPE_SPLIT_APK
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static constexpr int32_t kVMRuntimeSplitApk = 1 << 1;
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// VMRuntime.CODE_PATH_TYPE_SECONDARY_DEX
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static constexpr int32_t kVMRuntimeSecondaryDex = 1 << 2;
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// Encapsulates the information the runtime has about the application.
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//
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// The app's info comes from 2 channels:
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// 1) during class loading, when we load oat files.
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// 2) during app startup, when the framework calls VMRuntime#registerAppInfo.
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// In general the class loading event happens before VMRuntime#registerAppInfo.
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class AppInfo {
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public:
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enum class CodeType {
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kUnknown,
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kPrimaryApk,
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kSplitApk,
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kSecondaryDex,
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};
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// Converts VMRuntime.java constansts to a CodeType.
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static CodeType FromVMRuntimeConstants(uint32_t code_type);
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AppInfo();
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// Registers the application code paths, types, and associated profiles.
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void RegisterAppInfo(const std::string& package_name,
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const std::vector<std::string>& code_paths,
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const std::string& profile_output_filename,
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const std::string& ref_profile_filename,
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CodeType code_type);
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// Registers the optimization status for single code path.
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void RegisterOdexStatus(const std::string& code_path,
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const std::string& compiler_filter,
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const std::string& compilation_reason,
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const std::string& odex_status);
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// Extracts the optimization status of the primary apk into the given arguments.
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// If there are multiple primary APKs registed via RegisterAppInfo, the method
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// will assign the status of the first APK, sorted by the location name.
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//
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// Assigns "unknown" if there is no primary apk or the optimization status was
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// not set via RegisterOdexStatus,
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void GetPrimaryApkOptimizationStatus(std::string* out_compiler_filter,
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std::string* out_compilation_reason);
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private:
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// Encapsulates optimization information about a particular code location.
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struct CodeLocationInfo {
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// The type of the code location (primary, split, secondary, unknown).
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CodeType code_type{CodeType::kUnknown};
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// The compiler filter of the oat file. Note that this contains
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// the output of OatFileAssistant#GetOptimizationStatus() which may
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// contain values outside the scope of the CompilerFilter enum.
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std::optional<std::string> compiler_filter;
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// The compiler reason of the oat file. Note that this contains
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// the output of OatFileAssistant#GetOptimizationStatus().
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std::optional<std::string> compilation_reason;
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// The odes status as produced by OatFileAssistant#GetOptimizationStatus().
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std::optional<std::string> odex_status;
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// The path to the primary profile if given.
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std::optional<std::string> cur_profile_path;
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// The path to the reference profile if given.
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std::optional<std::string> ref_profile_path;
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};
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// The name of the package if set.
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std::optional<std::string> package_name_ GUARDED_BY(update_mutex_);
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// The registered code locations.
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SafeMap<std::string, CodeLocationInfo> registered_code_locations_ GUARDED_BY(update_mutex_);
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// Lock to touch the state ot the AppInfo object.
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art::Mutex update_mutex_ BOTTOM_MUTEX_ACQUIRED_AFTER;
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friend std::ostream& operator<<(std::ostream& os, AppInfo& rhs);
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};
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std::ostream& operator<<(std::ostream& os, AppInfo& rhs);
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} // namespace art
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#endif // ART_RUNTIME_APP_INFO_H_
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