| /* |
| * Copyright (C) 2015 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 |
| */ |
| |
| package com.android.server.pm; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageParser; |
| import android.content.pm.dex.ArtManager; |
| import android.content.pm.dex.DexMetadataHelper; |
| import android.os.FileUtils; |
| import android.os.PowerManager; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.os.WorkSource; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.util.IndentingPrintWriter; |
| import com.android.server.pm.Installer.InstallerException; |
| import com.android.server.pm.dex.ArtManagerService; |
| import com.android.server.pm.dex.DexManager; |
| import com.android.server.pm.dex.DexoptOptions; |
| import com.android.server.pm.dex.DexoptUtils; |
| import com.android.server.pm.dex.PackageDexUsage; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Map; |
| |
| import dalvik.system.DexFile; |
| |
| import static android.content.pm.ApplicationInfo.HIDDEN_API_ENFORCEMENT_DISABLED; |
| |
| import static com.android.server.pm.Installer.DEXOPT_BOOTCOMPLETE; |
| import static com.android.server.pm.Installer.DEXOPT_DEBUGGABLE; |
| import static com.android.server.pm.Installer.DEXOPT_PROFILE_GUIDED; |
| import static com.android.server.pm.Installer.DEXOPT_PUBLIC; |
| import static com.android.server.pm.Installer.DEXOPT_SECONDARY_DEX; |
| import static com.android.server.pm.Installer.DEXOPT_FORCE; |
| import static com.android.server.pm.Installer.DEXOPT_STORAGE_CE; |
| import static com.android.server.pm.Installer.DEXOPT_STORAGE_DE; |
| import static com.android.server.pm.Installer.DEXOPT_IDLE_BACKGROUND_JOB; |
| import static com.android.server.pm.Installer.DEXOPT_ENABLE_HIDDEN_API_CHECKS; |
| import static com.android.server.pm.Installer.DEXOPT_GENERATE_COMPACT_DEX; |
| import static com.android.server.pm.Installer.DEXOPT_GENERATE_APP_IMAGE; |
| import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; |
| import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; |
| |
| import static com.android.server.pm.PackageManagerService.WATCHDOG_TIMEOUT; |
| |
| import static com.android.server.pm.PackageManagerServiceCompilerMapping.getReasonName; |
| |
| import static dalvik.system.DexFile.getSafeModeCompilerFilter; |
| import static dalvik.system.DexFile.isProfileGuidedCompilerFilter; |
| |
| /** |
| * Helper class for running dexopt command on packages. |
| */ |
| public class PackageDexOptimizer { |
| private static final String TAG = "PackageManager.DexOptimizer"; |
| static final String OAT_DIR_NAME = "oat"; |
| // TODO b/19550105 Remove error codes and use exceptions |
| public static final int DEX_OPT_SKIPPED = 0; |
| public static final int DEX_OPT_PERFORMED = 1; |
| public static final int DEX_OPT_FAILED = -1; |
| // One minute over PM WATCHDOG_TIMEOUT |
| private static final long WAKELOCK_TIMEOUT_MS = WATCHDOG_TIMEOUT + 1000 * 60; |
| |
| /** Special library name that skips shared libraries check during compilation. */ |
| public static final String SKIP_SHARED_LIBRARY_CHECK = "&"; |
| |
| @GuardedBy("mInstallLock") |
| private final Installer mInstaller; |
| private final Object mInstallLock; |
| |
| @GuardedBy("mInstallLock") |
| private final PowerManager.WakeLock mDexoptWakeLock; |
| private volatile boolean mSystemReady; |
| |
| PackageDexOptimizer(Installer installer, Object installLock, Context context, |
| String wakeLockTag) { |
| this.mInstaller = installer; |
| this.mInstallLock = installLock; |
| |
| PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); |
| mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); |
| } |
| |
| protected PackageDexOptimizer(PackageDexOptimizer from) { |
| this.mInstaller = from.mInstaller; |
| this.mInstallLock = from.mInstallLock; |
| this.mDexoptWakeLock = from.mDexoptWakeLock; |
| this.mSystemReady = from.mSystemReady; |
| } |
| |
| static boolean canOptimizePackage(PackageParser.Package pkg) { |
| // We do not dexopt a package with no code. |
| if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Performs dexopt on all code paths and libraries of the specified package for specified |
| * instruction sets. |
| * |
| * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are |
| * synchronized on {@link #mInstallLock}. |
| */ |
| int performDexOpt(PackageParser.Package pkg, String[] sharedLibraries, |
| String[] instructionSets, CompilerStats.PackageStats packageStats, |
| PackageDexUsage.PackageUseInfo packageUseInfo, DexoptOptions options) { |
| if (pkg.applicationInfo.uid == -1) { |
| throw new IllegalArgumentException("Dexopt for " + pkg.packageName |
| + " has invalid uid."); |
| } |
| if (!canOptimizePackage(pkg)) { |
| return DEX_OPT_SKIPPED; |
| } |
| synchronized (mInstallLock) { |
| final long acquireTime = acquireWakeLockLI(pkg.applicationInfo.uid); |
| try { |
| return performDexOptLI(pkg, sharedLibraries, instructionSets, |
| packageStats, packageUseInfo, options); |
| } finally { |
| releaseWakeLockLI(acquireTime); |
| } |
| } |
| } |
| |
| /** |
| * Performs dexopt on all code paths of the given package. |
| * It assumes the install lock is held. |
| */ |
| @GuardedBy("mInstallLock") |
| private int performDexOptLI(PackageParser.Package pkg, String[] sharedLibraries, |
| String[] targetInstructionSets, CompilerStats.PackageStats packageStats, |
| PackageDexUsage.PackageUseInfo packageUseInfo, DexoptOptions options) { |
| final String[] instructionSets = targetInstructionSets != null ? |
| targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); |
| final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); |
| final List<String> paths = pkg.getAllCodePaths(); |
| |
| int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); |
| if (sharedGid == -1) { |
| Slog.wtf(TAG, "Well this is awkward; package " + pkg.applicationInfo.name + " had UID " |
| + pkg.applicationInfo.uid, new Throwable()); |
| sharedGid = android.os.Process.NOBODY_UID; |
| } |
| |
| // Get the class loader context dependencies. |
| // For each code path in the package, this array contains the class loader context that |
| // needs to be passed to dexopt in order to ensure correct optimizations. |
| boolean[] pathsWithCode = new boolean[paths.size()]; |
| pathsWithCode[0] = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; |
| for (int i = 1; i < paths.size(); i++) { |
| pathsWithCode[i] = (pkg.splitFlags[i - 1] & ApplicationInfo.FLAG_HAS_CODE) != 0; |
| } |
| String[] classLoaderContexts = DexoptUtils.getClassLoaderContexts( |
| pkg.applicationInfo, sharedLibraries, pathsWithCode); |
| |
| // Sanity check that we do not call dexopt with inconsistent data. |
| if (paths.size() != classLoaderContexts.length) { |
| String[] splitCodePaths = pkg.applicationInfo.getSplitCodePaths(); |
| throw new IllegalStateException("Inconsistent information " |
| + "between PackageParser.Package and its ApplicationInfo. " |
| + "pkg.getAllCodePaths=" + paths |
| + " pkg.applicationInfo.getBaseCodePath=" + pkg.applicationInfo.getBaseCodePath() |
| + " pkg.applicationInfo.getSplitCodePaths=" |
| + (splitCodePaths == null ? "null" : Arrays.toString(splitCodePaths))); |
| } |
| |
| int result = DEX_OPT_SKIPPED; |
| for (int i = 0; i < paths.size(); i++) { |
| // Skip paths that have no code. |
| if (!pathsWithCode[i]) { |
| continue; |
| } |
| if (classLoaderContexts[i] == null) { |
| throw new IllegalStateException("Inconsistent information in the " |
| + "package structure. A split is marked to contain code " |
| + "but has no dependency listed. Index=" + i + " path=" + paths.get(i)); |
| } |
| |
| // Append shared libraries with split dependencies for this split. |
| String path = paths.get(i); |
| if (options.getSplitName() != null) { |
| // We are asked to compile only a specific split. Check that the current path is |
| // what we are looking for. |
| if (!options.getSplitName().equals(new File(path).getName())) { |
| continue; |
| } |
| } |
| |
| String profileName = ArtManager.getProfileName(i == 0 ? null : pkg.splitNames[i - 1]); |
| |
| String dexMetadataPath = null; |
| if (options.isDexoptInstallWithDexMetadata()) { |
| File dexMetadataFile = DexMetadataHelper.findDexMetadataForFile(new File(path)); |
| dexMetadataPath = dexMetadataFile == null |
| ? null : dexMetadataFile.getAbsolutePath(); |
| } |
| |
| final boolean isUsedByOtherApps = options.isDexoptAsSharedLibrary() |
| || packageUseInfo.isUsedByOtherApps(path); |
| final String compilerFilter = getRealCompilerFilter(pkg.applicationInfo, |
| options.getCompilerFilter(), isUsedByOtherApps); |
| final boolean profileUpdated = options.isCheckForProfileUpdates() && |
| isProfileUpdated(pkg, sharedGid, profileName, compilerFilter); |
| |
| // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct |
| // flags. |
| final int dexoptFlags = getDexFlags(pkg, compilerFilter, options); |
| |
| for (String dexCodeIsa : dexCodeInstructionSets) { |
| int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, |
| profileUpdated, classLoaderContexts[i], dexoptFlags, sharedGid, |
| packageStats, options.isDowngrade(), profileName, dexMetadataPath, |
| options.getCompilationReason()); |
| // The end result is: |
| // - FAILED if any path failed, |
| // - PERFORMED if at least one path needed compilation, |
| // - SKIPPED when all paths are up to date |
| if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { |
| result = newResult; |
| } |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Performs dexopt on the {@code path} belonging to the package {@code pkg}. |
| * |
| * @return |
| * DEX_OPT_FAILED if there was any exception during dexopt |
| * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. |
| * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. |
| */ |
| @GuardedBy("mInstallLock") |
| private int dexOptPath(PackageParser.Package pkg, String path, String isa, |
| String compilerFilter, boolean profileUpdated, String classLoaderContext, |
| int dexoptFlags, int uid, CompilerStats.PackageStats packageStats, boolean downgrade, |
| String profileName, String dexMetadataPath, int compilationReason) { |
| int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, classLoaderContext, |
| profileUpdated, downgrade); |
| if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { |
| return DEX_OPT_SKIPPED; |
| } |
| |
| // TODO(calin): there's no need to try to create the oat dir over and over again, |
| // especially since it involve an extra installd call. We should create |
| // if (if supported) on the fly during the dexopt call. |
| String oatDir = createOatDirIfSupported(pkg, isa); |
| |
| Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path |
| + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa |
| + " dexoptFlags=" + printDexoptFlags(dexoptFlags) |
| + " targetFilter=" + compilerFilter + " oatDir=" + oatDir |
| + " classLoaderContext=" + classLoaderContext); |
| |
| try { |
| long startTime = System.currentTimeMillis(); |
| |
| // TODO: Consider adding 2 different APIs for primary and secondary dexopt. |
| // installd only uses downgrade flag for secondary dex files and ignores it for |
| // primary dex files. |
| mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, |
| compilerFilter, pkg.volumeUuid, classLoaderContext, pkg.applicationInfo.seInfo, |
| false /* downgrade*/, pkg.applicationInfo.targetSdkVersion, |
| profileName, dexMetadataPath, |
| getAugmentedReasonName(compilationReason, dexMetadataPath != null)); |
| |
| if (packageStats != null) { |
| long endTime = System.currentTimeMillis(); |
| packageStats.setCompileTime(path, (int)(endTime - startTime)); |
| } |
| return DEX_OPT_PERFORMED; |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to dexopt", e); |
| return DEX_OPT_FAILED; |
| } |
| } |
| |
| private String getAugmentedReasonName(int compilationReason, boolean useDexMetadata) { |
| String annotation = useDexMetadata |
| ? ArtManagerService.DEXOPT_REASON_WITH_DEX_METADATA_ANNOTATION : ""; |
| return getReasonName(compilationReason) + annotation; |
| } |
| |
| /** |
| * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. |
| * |
| * @return |
| * DEX_OPT_FAILED if there was any exception during dexopt |
| * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. |
| * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file |
| * didn't need an update. That's because at the moment we don't get more than success/failure |
| * from installd. |
| * |
| * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than |
| * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though |
| * that seems wasteful. |
| */ |
| public int dexOptSecondaryDexPath(ApplicationInfo info, String path, |
| PackageDexUsage.DexUseInfo dexUseInfo, DexoptOptions options) { |
| if (info.uid == -1) { |
| throw new IllegalArgumentException("Dexopt for path " + path + " has invalid uid."); |
| } |
| synchronized (mInstallLock) { |
| final long acquireTime = acquireWakeLockLI(info.uid); |
| try { |
| return dexOptSecondaryDexPathLI(info, path, dexUseInfo, options); |
| } finally { |
| releaseWakeLockLI(acquireTime); |
| } |
| } |
| } |
| |
| @GuardedBy("mInstallLock") |
| private long acquireWakeLockLI(final int uid) { |
| // During boot the system doesn't need to instantiate and obtain a wake lock. |
| // PowerManager might not be ready, but that doesn't mean that we can't proceed with |
| // dexopt. |
| if (!mSystemReady) { |
| return -1; |
| } |
| mDexoptWakeLock.setWorkSource(new WorkSource(uid)); |
| mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); |
| return SystemClock.elapsedRealtime(); |
| } |
| |
| @GuardedBy("mInstallLock") |
| private void releaseWakeLockLI(final long acquireTime) { |
| if (acquireTime < 0) { |
| return; |
| } |
| try { |
| if (mDexoptWakeLock.isHeld()) { |
| mDexoptWakeLock.release(); |
| } |
| final long duration = SystemClock.elapsedRealtime() - acquireTime; |
| if (duration >= WAKELOCK_TIMEOUT_MS) { |
| Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() |
| + " time out. Operation took " + duration + " ms. Thread: " |
| + Thread.currentThread().getName()); |
| } |
| } catch (Exception e) { |
| Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); |
| } |
| } |
| |
| @GuardedBy("mInstallLock") |
| private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, |
| PackageDexUsage.DexUseInfo dexUseInfo, DexoptOptions options) { |
| if (options.isDexoptOnlySharedDex() && !dexUseInfo.isUsedByOtherApps()) { |
| // We are asked to optimize only the dex files used by other apps and this is not |
| // on of them: skip it. |
| return DEX_OPT_SKIPPED; |
| } |
| |
| String compilerFilter = getRealCompilerFilter(info, options.getCompilerFilter(), |
| dexUseInfo.isUsedByOtherApps()); |
| // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. |
| // Secondary dex files are currently not compiled at boot. |
| int dexoptFlags = getDexFlags(info, compilerFilter, options) | DEXOPT_SECONDARY_DEX; |
| // Check the app storage and add the appropriate flags. |
| if (info.deviceProtectedDataDir != null && |
| FileUtils.contains(info.deviceProtectedDataDir, path)) { |
| dexoptFlags |= DEXOPT_STORAGE_DE; |
| } else if (info.credentialProtectedDataDir != null && |
| FileUtils.contains(info.credentialProtectedDataDir, path)) { |
| dexoptFlags |= DEXOPT_STORAGE_CE; |
| } else { |
| Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); |
| return DEX_OPT_FAILED; |
| } |
| Log.d(TAG, "Running dexopt on: " + path |
| + " pkg=" + info.packageName + " isa=" + dexUseInfo.getLoaderIsas() |
| + " dexoptFlags=" + printDexoptFlags(dexoptFlags) |
| + " target-filter=" + compilerFilter); |
| |
| // TODO(calin): b/64530081 b/66984396. Use SKIP_SHARED_LIBRARY_CHECK for the context |
| // (instead of dexUseInfo.getClassLoaderContext()) in order to compile secondary dex files |
| // in isolation (and avoid to extract/verify the main apk if it's in the class path). |
| // Note this trades correctness for performance since the resulting slow down is |
| // unacceptable in some cases until b/64530081 is fixed. |
| String classLoaderContext = SKIP_SHARED_LIBRARY_CHECK; |
| int reason = options.getCompilationReason(); |
| try { |
| for (String isa : dexUseInfo.getLoaderIsas()) { |
| // Reuse the same dexopt path as for the primary apks. We don't need all the |
| // arguments as some (dexopNeeded and oatDir) will be computed by installd because |
| // system server cannot read untrusted app content. |
| // TODO(calin): maybe add a separate call. |
| mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, |
| /*oatDir*/ null, dexoptFlags, |
| compilerFilter, info.volumeUuid, classLoaderContext, info.seInfo, |
| options.isDowngrade(), info.targetSdkVersion, /*profileName*/ null, |
| /*dexMetadataPath*/ null, getReasonName(reason)); |
| } |
| |
| return DEX_OPT_PERFORMED; |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to dexopt", e); |
| return DEX_OPT_FAILED; |
| } |
| } |
| |
| /** |
| * Adjust the given dexopt-needed value. Can be overridden to influence the decision to |
| * optimize or not (and in what way). |
| */ |
| protected int adjustDexoptNeeded(int dexoptNeeded) { |
| return dexoptNeeded; |
| } |
| |
| /** |
| * Adjust the given dexopt flags that will be passed to the installer. |
| */ |
| protected int adjustDexoptFlags(int dexoptFlags) { |
| return dexoptFlags; |
| } |
| |
| /** |
| * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. |
| */ |
| void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg, |
| PackageDexUsage.PackageUseInfo useInfo) { |
| final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); |
| final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); |
| |
| final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); |
| |
| for (String path : paths) { |
| pw.println("path: " + path); |
| pw.increaseIndent(); |
| |
| for (String isa : dexCodeInstructionSets) { |
| try { |
| DexFile.OptimizationInfo info = DexFile.getDexFileOptimizationInfo(path, isa); |
| pw.println(isa + ": [status=" + info.getStatus() |
| +"] [reason=" + info.getReason() + "]"); |
| } catch (IOException ioe) { |
| pw.println(isa + ": [Exception]: " + ioe.getMessage()); |
| } |
| } |
| |
| if (useInfo.isUsedByOtherApps(path)) { |
| pw.println("used by other apps: " + useInfo.getLoadingPackages(path)); |
| } |
| |
| Map<String, PackageDexUsage.DexUseInfo> dexUseInfoMap = useInfo.getDexUseInfoMap(); |
| |
| if (!dexUseInfoMap.isEmpty()) { |
| pw.println("known secondary dex files:"); |
| pw.increaseIndent(); |
| for (Map.Entry<String, PackageDexUsage.DexUseInfo> e : dexUseInfoMap.entrySet()) { |
| String dex = e.getKey(); |
| PackageDexUsage.DexUseInfo dexUseInfo = e.getValue(); |
| pw.println(dex); |
| pw.increaseIndent(); |
| // TODO(calin): get the status of the oat file (needs installd call) |
| pw.println("class loader context: " + dexUseInfo.getClassLoaderContext()); |
| if (dexUseInfo.isUsedByOtherApps()) { |
| pw.println("used by other apps: " + dexUseInfo.getLoadingPackages()); |
| } |
| pw.decreaseIndent(); |
| } |
| pw.decreaseIndent(); |
| } |
| pw.decreaseIndent(); |
| } |
| } |
| |
| /** |
| * Returns the compiler filter that should be used to optimize the package code. |
| * The target filter will be updated if the package code is used by other apps |
| * or if it has the safe mode flag set. |
| */ |
| private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, |
| boolean isUsedByOtherApps) { |
| int flags = info.flags; |
| boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; |
| // When a priv app is configured to run out of box, only verify it. |
| if (info.isPrivilegedApp() && DexManager.isPackageSelectedToRunOob(info.packageName)) { |
| return "verify"; |
| } |
| if (vmSafeMode) { |
| return getSafeModeCompilerFilter(targetCompilerFilter); |
| } |
| |
| if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { |
| // If the dex files is used by other apps, apply the shared filter. |
| return PackageManagerServiceCompilerMapping.getCompilerFilterForReason( |
| PackageManagerService.REASON_SHARED); |
| } |
| |
| return targetCompilerFilter; |
| } |
| |
| /** |
| * Computes the dex flags that needs to be pass to installd for the given package and compiler |
| * filter. |
| */ |
| private int getDexFlags(PackageParser.Package pkg, String compilerFilter, |
| DexoptOptions options) { |
| return getDexFlags(pkg.applicationInfo, compilerFilter, options); |
| } |
| |
| private boolean isAppImageEnabled() { |
| return SystemProperties.get("dalvik.vm.appimageformat", "").length() > 0; |
| } |
| |
| private int getDexFlags(ApplicationInfo info, String compilerFilter, DexoptOptions options) { |
| int flags = info.flags; |
| boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; |
| // Profile guide compiled oat files should not be public unles they are based |
| // on profiles from dex metadata archives. |
| // The flag isDexoptInstallWithDexMetadata applies only on installs when we know that |
| // the user does not have an existing profile. |
| boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); |
| boolean isPublic = !info.isForwardLocked() && |
| (!isProfileGuidedFilter || options.isDexoptInstallWithDexMetadata()); |
| int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; |
| // Some apps are executed with restrictions on hidden API usage. If this app is one |
| // of them, pass a flag to dexopt to enable the same restrictions during compilation. |
| // TODO we should pass the actual flag value to dexopt, rather than assuming blacklist |
| int hiddenApiFlag = info.getHiddenApiEnforcementPolicy() == HIDDEN_API_ENFORCEMENT_DISABLED |
| ? 0 |
| : DEXOPT_ENABLE_HIDDEN_API_CHECKS; |
| // Avoid generating CompactDex for modes that are latency critical. |
| final int compilationReason = options.getCompilationReason(); |
| boolean generateCompactDex = true; |
| switch (compilationReason) { |
| case PackageManagerService.REASON_FIRST_BOOT: |
| case PackageManagerService.REASON_BOOT: |
| case PackageManagerService.REASON_INSTALL: |
| generateCompactDex = false; |
| } |
| // Use app images only if it is enabled and we are compiling |
| // profile-guided (so the app image doesn't conservatively contain all classes). |
| // If the app didn't request for the splits to be loaded in isolation or if it does not |
| // declare inter-split dependencies, then all the splits will be loaded in the base |
| // apk class loader (in the order of their definition, otherwise disable app images |
| // because they are unsupported for multiple class loaders. b/7269679 |
| boolean generateAppImage = isProfileGuidedFilter && (info.splitDependencies == null || |
| !info.requestsIsolatedSplitLoading()) && isAppImageEnabled(); |
| int dexFlags = |
| (isPublic ? DEXOPT_PUBLIC : 0) |
| | (debuggable ? DEXOPT_DEBUGGABLE : 0) |
| | profileFlag |
| | (options.isBootComplete() ? DEXOPT_BOOTCOMPLETE : 0) |
| | (options.isDexoptIdleBackgroundJob() ? DEXOPT_IDLE_BACKGROUND_JOB : 0) |
| | (generateCompactDex ? DEXOPT_GENERATE_COMPACT_DEX : 0) |
| | (generateAppImage ? DEXOPT_GENERATE_APP_IMAGE : 0) |
| | hiddenApiFlag; |
| return adjustDexoptFlags(dexFlags); |
| } |
| |
| /** |
| * Assesses if there's a need to perform dexopt on {@code path} for the given |
| * configuration (isa, compiler filter, profile). |
| */ |
| private int getDexoptNeeded(String path, String isa, String compilerFilter, |
| String classLoaderContext, boolean newProfile, boolean downgrade) { |
| int dexoptNeeded; |
| try { |
| dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, classLoaderContext, |
| newProfile, downgrade); |
| } catch (IOException ioe) { |
| Slog.w(TAG, "IOException reading apk: " + path, ioe); |
| return DEX_OPT_FAILED; |
| } |
| return adjustDexoptNeeded(dexoptNeeded); |
| } |
| |
| /** |
| * Checks if there is an update on the profile information of the {@code pkg}. |
| * If the compiler filter is not profile guided the method returns false. |
| * |
| * Note that this is a "destructive" operation with side effects. Under the hood the |
| * current profile and the reference profile will be merged and subsequent calls |
| * may return a different result. |
| */ |
| private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String profileName, |
| String compilerFilter) { |
| // Check if we are allowed to merge and if the compiler filter is profile guided. |
| if (!isProfileGuidedCompilerFilter(compilerFilter)) { |
| return false; |
| } |
| // Merge profiles. It returns whether or not there was an updated in the profile info. |
| try { |
| return mInstaller.mergeProfiles(uid, pkg.packageName, profileName); |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to merge profiles", e); |
| } |
| return false; |
| } |
| |
| /** |
| * Creates oat dir for the specified package if needed and supported. |
| * In certain cases oat directory |
| * <strong>cannot</strong> be created: |
| * <ul> |
| * <li>{@code pkg} is a system app, which is not updated.</li> |
| * <li>Package location is not a directory, i.e. monolithic install.</li> |
| * </ul> |
| * |
| * @return Absolute path to the oat directory or null, if oat directory |
| * cannot be created. |
| */ |
| @Nullable |
| private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { |
| if (!pkg.canHaveOatDir()) { |
| return null; |
| } |
| File codePath = new File(pkg.codePath); |
| if (codePath.isDirectory()) { |
| // TODO(calin): why do we create this only if the codePath is a directory? (i.e for |
| // cluster packages). It seems that the logic for the folder creation is |
| // split between installd and here. |
| File oatDir = getOatDir(codePath); |
| try { |
| mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); |
| } catch (InstallerException e) { |
| Slog.w(TAG, "Failed to create oat dir", e); |
| return null; |
| } |
| return oatDir.getAbsolutePath(); |
| } |
| return null; |
| } |
| |
| static File getOatDir(File codePath) { |
| return new File(codePath, OAT_DIR_NAME); |
| } |
| |
| void systemReady() { |
| mSystemReady = true; |
| } |
| |
| private String printDexoptFlags(int flags) { |
| ArrayList<String> flagsList = new ArrayList<>(); |
| |
| if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { |
| flagsList.add("boot_complete"); |
| } |
| if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { |
| flagsList.add("debuggable"); |
| } |
| if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { |
| flagsList.add("profile_guided"); |
| } |
| if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { |
| flagsList.add("public"); |
| } |
| if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { |
| flagsList.add("secondary"); |
| } |
| if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { |
| flagsList.add("force"); |
| } |
| if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { |
| flagsList.add("storage_ce"); |
| } |
| if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { |
| flagsList.add("storage_de"); |
| } |
| if ((flags & DEXOPT_IDLE_BACKGROUND_JOB) == DEXOPT_IDLE_BACKGROUND_JOB) { |
| flagsList.add("idle_background_job"); |
| } |
| if ((flags & DEXOPT_ENABLE_HIDDEN_API_CHECKS) == DEXOPT_ENABLE_HIDDEN_API_CHECKS) { |
| flagsList.add("enable_hidden_api_checks"); |
| } |
| |
| return String.join(",", flagsList); |
| } |
| |
| /** |
| * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a |
| * dexopt path. |
| */ |
| public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { |
| |
| public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, |
| Context context, String wakeLockTag) { |
| super(installer, installLock, context, wakeLockTag); |
| } |
| |
| public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { |
| super(from); |
| } |
| |
| @Override |
| protected int adjustDexoptNeeded(int dexoptNeeded) { |
| if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { |
| // Ensure compilation by pretending a compiler filter change on the |
| // apk/odex location (the reason for the '-'. A positive value means |
| // the 'oat' location). |
| return -DexFile.DEX2OAT_FOR_FILTER; |
| } |
| return dexoptNeeded; |
| } |
| |
| @Override |
| protected int adjustDexoptFlags(int flags) { |
| // Add DEXOPT_FORCE flag to signal installd that it should force compilation |
| // and discard dexoptanalyzer result. |
| return flags | DEXOPT_FORCE; |
| } |
| } |
| } |