PackageDexOptimizer.java revision 29ec70b9011fbd6ead45e30e3c6067988c4453ed
1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.server.pm; 18 19import android.annotation.Nullable; 20import android.content.Context; 21import android.content.pm.ApplicationInfo; 22import android.content.pm.PackageParser; 23import android.content.pm.dex.ArtManager; 24import android.content.pm.dex.DexMetadataHelper; 25import android.os.FileUtils; 26import android.os.PowerManager; 27import android.os.SystemClock; 28import android.os.SystemProperties; 29import android.os.UserHandle; 30import android.os.WorkSource; 31import android.util.Log; 32import android.util.Slog; 33 34import com.android.internal.annotations.GuardedBy; 35import com.android.internal.util.IndentingPrintWriter; 36import com.android.server.pm.Installer.InstallerException; 37import com.android.server.pm.dex.DexManager; 38import com.android.server.pm.dex.DexoptOptions; 39import com.android.server.pm.dex.DexoptUtils; 40import com.android.server.pm.dex.PackageDexUsage; 41 42import java.io.File; 43import java.io.IOException; 44import java.util.ArrayList; 45import java.util.Arrays; 46import java.util.List; 47import java.util.Map; 48 49import dalvik.system.DexFile; 50 51import static com.android.server.pm.Installer.DEXOPT_BOOTCOMPLETE; 52import static com.android.server.pm.Installer.DEXOPT_DEBUGGABLE; 53import static com.android.server.pm.Installer.DEXOPT_PROFILE_GUIDED; 54import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 55import static com.android.server.pm.Installer.DEXOPT_SECONDARY_DEX; 56import static com.android.server.pm.Installer.DEXOPT_FORCE; 57import static com.android.server.pm.Installer.DEXOPT_STORAGE_CE; 58import static com.android.server.pm.Installer.DEXOPT_STORAGE_DE; 59import static com.android.server.pm.Installer.DEXOPT_IDLE_BACKGROUND_JOB; 60import static com.android.server.pm.Installer.DEXOPT_ENABLE_HIDDEN_API_CHECKS; 61import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 62import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 63 64import static com.android.server.pm.PackageManagerService.WATCHDOG_TIMEOUT; 65 66import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 67import static dalvik.system.DexFile.getSafeModeCompilerFilter; 68import static dalvik.system.DexFile.isProfileGuidedCompilerFilter; 69 70/** 71 * Helper class for running dexopt command on packages. 72 */ 73public class PackageDexOptimizer { 74 private static final String TAG = "PackageManager.DexOptimizer"; 75 static final String OAT_DIR_NAME = "oat"; 76 // TODO b/19550105 Remove error codes and use exceptions 77 public static final int DEX_OPT_SKIPPED = 0; 78 public static final int DEX_OPT_PERFORMED = 1; 79 public static final int DEX_OPT_FAILED = -1; 80 // One minute over PM WATCHDOG_TIMEOUT 81 private static final long WAKELOCK_TIMEOUT_MS = WATCHDOG_TIMEOUT + 1000 * 60; 82 83 /** Special library name that skips shared libraries check during compilation. */ 84 public static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 85 86 @GuardedBy("mInstallLock") 87 private final Installer mInstaller; 88 private final Object mInstallLock; 89 90 @GuardedBy("mInstallLock") 91 private final PowerManager.WakeLock mDexoptWakeLock; 92 private volatile boolean mSystemReady; 93 94 PackageDexOptimizer(Installer installer, Object installLock, Context context, 95 String wakeLockTag) { 96 this.mInstaller = installer; 97 this.mInstallLock = installLock; 98 99 PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 100 mDexoptWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, wakeLockTag); 101 } 102 103 protected PackageDexOptimizer(PackageDexOptimizer from) { 104 this.mInstaller = from.mInstaller; 105 this.mInstallLock = from.mInstallLock; 106 this.mDexoptWakeLock = from.mDexoptWakeLock; 107 this.mSystemReady = from.mSystemReady; 108 } 109 110 static boolean canOptimizePackage(PackageParser.Package pkg) { 111 // We do not dexopt a package with no code. 112 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 113 return false; 114 } 115 116 // We do not dexopt a priv-app package when pm.dexopt.priv-apps is false. 117 if (pkg.isPrivilegedApp()) { 118 return SystemProperties.getBoolean("pm.dexopt.priv-apps", true); 119 } 120 121 return true; 122 } 123 124 /** 125 * Performs dexopt on all code paths and libraries of the specified package for specified 126 * instruction sets. 127 * 128 * <p>Calls to {@link com.android.server.pm.Installer#dexopt} on {@link #mInstaller} are 129 * synchronized on {@link #mInstallLock}. 130 */ 131 int performDexOpt(PackageParser.Package pkg, String[] sharedLibraries, 132 String[] instructionSets, CompilerStats.PackageStats packageStats, 133 PackageDexUsage.PackageUseInfo packageUseInfo, DexoptOptions options) { 134 if (pkg.applicationInfo.uid == -1) { 135 throw new IllegalArgumentException("Dexopt for " + pkg.packageName 136 + " has invalid uid."); 137 } 138 if (!canOptimizePackage(pkg)) { 139 return DEX_OPT_SKIPPED; 140 } 141 synchronized (mInstallLock) { 142 final long acquireTime = acquireWakeLockLI(pkg.applicationInfo.uid); 143 try { 144 return performDexOptLI(pkg, sharedLibraries, instructionSets, 145 packageStats, packageUseInfo, options); 146 } finally { 147 releaseWakeLockLI(acquireTime); 148 } 149 } 150 } 151 152 /** 153 * Performs dexopt on all code paths of the given package. 154 * It assumes the install lock is held. 155 */ 156 @GuardedBy("mInstallLock") 157 private int performDexOptLI(PackageParser.Package pkg, String[] sharedLibraries, 158 String[] targetInstructionSets, CompilerStats.PackageStats packageStats, 159 PackageDexUsage.PackageUseInfo packageUseInfo, DexoptOptions options) { 160 final String[] instructionSets = targetInstructionSets != null ? 161 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 162 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 163 final List<String> paths = pkg.getAllCodePaths(); 164 165 int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 166 if (sharedGid == -1) { 167 Slog.wtf(TAG, "Well this is awkward; package " + pkg.applicationInfo.name + " had UID " 168 + pkg.applicationInfo.uid, new Throwable()); 169 sharedGid = android.os.Process.NOBODY_UID; 170 } 171 172 // Get the class loader context dependencies. 173 // For each code path in the package, this array contains the class loader context that 174 // needs to be passed to dexopt in order to ensure correct optimizations. 175 boolean[] pathsWithCode = new boolean[paths.size()]; 176 pathsWithCode[0] = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 177 for (int i = 1; i < paths.size(); i++) { 178 pathsWithCode[i] = (pkg.splitFlags[i - 1] & ApplicationInfo.FLAG_HAS_CODE) != 0; 179 } 180 String[] classLoaderContexts = DexoptUtils.getClassLoaderContexts( 181 pkg.applicationInfo, sharedLibraries, pathsWithCode); 182 183 // Sanity check that we do not call dexopt with inconsistent data. 184 if (paths.size() != classLoaderContexts.length) { 185 String[] splitCodePaths = pkg.applicationInfo.getSplitCodePaths(); 186 throw new IllegalStateException("Inconsistent information " 187 + "between PackageParser.Package and its ApplicationInfo. " 188 + "pkg.getAllCodePaths=" + paths 189 + " pkg.applicationInfo.getBaseCodePath=" + pkg.applicationInfo.getBaseCodePath() 190 + " pkg.applicationInfo.getSplitCodePaths=" 191 + (splitCodePaths == null ? "null" : Arrays.toString(splitCodePaths))); 192 } 193 194 int result = DEX_OPT_SKIPPED; 195 for (int i = 0; i < paths.size(); i++) { 196 // Skip paths that have no code. 197 if (!pathsWithCode[i]) { 198 continue; 199 } 200 if (classLoaderContexts[i] == null) { 201 throw new IllegalStateException("Inconsistent information in the " 202 + "package structure. A split is marked to contain code " 203 + "but has no dependency listed. Index=" + i + " path=" + paths.get(i)); 204 } 205 206 // Append shared libraries with split dependencies for this split. 207 String path = paths.get(i); 208 if (options.getSplitName() != null) { 209 // We are asked to compile only a specific split. Check that the current path is 210 // what we are looking for. 211 if (!options.getSplitName().equals(new File(path).getName())) { 212 continue; 213 } 214 } 215 216 String profileName = ArtManager.getProfileName(i == 0 ? null : pkg.splitNames[i - 1]); 217 218 String dexMetadataPath = null; 219 if (options.isDexoptInstallWithDexMetadata()) { 220 File dexMetadataFile = DexMetadataHelper.findDexMetadataForFile(new File(path)); 221 dexMetadataPath = dexMetadataFile == null 222 ? null : dexMetadataFile.getAbsolutePath(); 223 } 224 225 final boolean isUsedByOtherApps = options.isDexoptAsSharedLibrary() 226 || packageUseInfo.isUsedByOtherApps(path); 227 final String compilerFilter = getRealCompilerFilter(pkg.applicationInfo, 228 options.getCompilerFilter(), isUsedByOtherApps); 229 final boolean profileUpdated = options.isCheckForProfileUpdates() && 230 isProfileUpdated(pkg, sharedGid, profileName, compilerFilter); 231 232 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct 233 // flags. 234 final int dexoptFlags = getDexFlags(pkg, compilerFilter, options); 235 236 for (String dexCodeIsa : dexCodeInstructionSets) { 237 int newResult = dexOptPath(pkg, path, dexCodeIsa, compilerFilter, 238 profileUpdated, classLoaderContexts[i], dexoptFlags, sharedGid, 239 packageStats, options.isDowngrade(), profileName, dexMetadataPath); 240 // The end result is: 241 // - FAILED if any path failed, 242 // - PERFORMED if at least one path needed compilation, 243 // - SKIPPED when all paths are up to date 244 if ((result != DEX_OPT_FAILED) && (newResult != DEX_OPT_SKIPPED)) { 245 result = newResult; 246 } 247 } 248 } 249 return result; 250 } 251 252 /** 253 * Performs dexopt on the {@code path} belonging to the package {@code pkg}. 254 * 255 * @return 256 * DEX_OPT_FAILED if there was any exception during dexopt 257 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 258 * DEX_OPT_SKIPPED if the path does not need to be deopt-ed. 259 */ 260 @GuardedBy("mInstallLock") 261 private int dexOptPath(PackageParser.Package pkg, String path, String isa, 262 String compilerFilter, boolean profileUpdated, String classLoaderContext, 263 int dexoptFlags, int uid, CompilerStats.PackageStats packageStats, boolean downgrade, 264 String profileName, String dexMetadataPath) { 265 int dexoptNeeded = getDexoptNeeded(path, isa, compilerFilter, classLoaderContext, 266 profileUpdated, downgrade); 267 if (Math.abs(dexoptNeeded) == DexFile.NO_DEXOPT_NEEDED) { 268 return DEX_OPT_SKIPPED; 269 } 270 271 // TODO(calin): there's no need to try to create the oat dir over and over again, 272 // especially since it involve an extra installd call. We should create 273 // if (if supported) on the fly during the dexopt call. 274 String oatDir = createOatDirIfSupported(pkg, isa); 275 276 Log.i(TAG, "Running dexopt (dexoptNeeded=" + dexoptNeeded + ") on: " + path 277 + " pkg=" + pkg.applicationInfo.packageName + " isa=" + isa 278 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 279 + " targetFilter=" + compilerFilter + " oatDir=" + oatDir 280 + " classLoaderContext=" + classLoaderContext); 281 282 try { 283 long startTime = System.currentTimeMillis(); 284 285 // TODO: Consider adding 2 different APIs for primary and secondary dexopt. 286 // installd only uses downgrade flag for secondary dex files and ignores it for 287 // primary dex files. 288 mInstaller.dexopt(path, uid, pkg.packageName, isa, dexoptNeeded, oatDir, dexoptFlags, 289 compilerFilter, pkg.volumeUuid, classLoaderContext, pkg.applicationInfo.seInfo, 290 false /* downgrade*/, pkg.applicationInfo.targetSdkVersion, 291 profileName, dexMetadataPath); 292 293 if (packageStats != null) { 294 long endTime = System.currentTimeMillis(); 295 packageStats.setCompileTime(path, (int)(endTime - startTime)); 296 } 297 return DEX_OPT_PERFORMED; 298 } catch (InstallerException e) { 299 Slog.w(TAG, "Failed to dexopt", e); 300 return DEX_OPT_FAILED; 301 } 302 } 303 304 /** 305 * Performs dexopt on the secondary dex {@code path} belonging to the app {@code info}. 306 * 307 * @return 308 * DEX_OPT_FAILED if there was any exception during dexopt 309 * DEX_OPT_PERFORMED if dexopt was performed successfully on the given path. 310 * NOTE that DEX_OPT_PERFORMED for secondary dex files includes the case when the dex file 311 * didn't need an update. That's because at the moment we don't get more than success/failure 312 * from installd. 313 * 314 * TODO(calin): Consider adding return codes to installd dexopt invocation (rather than 315 * throwing exceptions). Or maybe make a separate call to installd to get DexOptNeeded, though 316 * that seems wasteful. 317 */ 318 public int dexOptSecondaryDexPath(ApplicationInfo info, String path, 319 PackageDexUsage.DexUseInfo dexUseInfo, DexoptOptions options) { 320 if (info.uid == -1) { 321 throw new IllegalArgumentException("Dexopt for path " + path + " has invalid uid."); 322 } 323 synchronized (mInstallLock) { 324 final long acquireTime = acquireWakeLockLI(info.uid); 325 try { 326 return dexOptSecondaryDexPathLI(info, path, dexUseInfo, options); 327 } finally { 328 releaseWakeLockLI(acquireTime); 329 } 330 } 331 } 332 333 @GuardedBy("mInstallLock") 334 private long acquireWakeLockLI(final int uid) { 335 // During boot the system doesn't need to instantiate and obtain a wake lock. 336 // PowerManager might not be ready, but that doesn't mean that we can't proceed with 337 // dexopt. 338 if (!mSystemReady) { 339 return -1; 340 } 341 mDexoptWakeLock.setWorkSource(new WorkSource(uid)); 342 mDexoptWakeLock.acquire(WAKELOCK_TIMEOUT_MS); 343 return SystemClock.elapsedRealtime(); 344 } 345 346 @GuardedBy("mInstallLock") 347 private void releaseWakeLockLI(final long acquireTime) { 348 if (acquireTime < 0) { 349 return; 350 } 351 try { 352 if (mDexoptWakeLock.isHeld()) { 353 mDexoptWakeLock.release(); 354 } 355 final long duration = SystemClock.elapsedRealtime() - acquireTime; 356 if (duration >= WAKELOCK_TIMEOUT_MS) { 357 Slog.wtf(TAG, "WakeLock " + mDexoptWakeLock.getTag() 358 + " time out. Operation took " + duration + " ms. Thread: " 359 + Thread.currentThread().getName()); 360 } 361 } catch (Exception e) { 362 Slog.wtf(TAG, "Error while releasing " + mDexoptWakeLock.getTag() + " lock", e); 363 } 364 } 365 366 @GuardedBy("mInstallLock") 367 private int dexOptSecondaryDexPathLI(ApplicationInfo info, String path, 368 PackageDexUsage.DexUseInfo dexUseInfo, DexoptOptions options) { 369 if (options.isDexoptOnlySharedDex() && !dexUseInfo.isUsedByOtherApps()) { 370 // We are asked to optimize only the dex files used by other apps and this is not 371 // on of them: skip it. 372 return DEX_OPT_SKIPPED; 373 } 374 375 String compilerFilter = getRealCompilerFilter(info, options.getCompilerFilter(), 376 dexUseInfo.isUsedByOtherApps()); 377 // Get the dexopt flags after getRealCompilerFilter to make sure we get the correct flags. 378 // Secondary dex files are currently not compiled at boot. 379 int dexoptFlags = getDexFlags(info, compilerFilter, options) | DEXOPT_SECONDARY_DEX; 380 // Check the app storage and add the appropriate flags. 381 if (info.deviceProtectedDataDir != null && 382 FileUtils.contains(info.deviceProtectedDataDir, path)) { 383 dexoptFlags |= DEXOPT_STORAGE_DE; 384 } else if (info.credentialProtectedDataDir != null && 385 FileUtils.contains(info.credentialProtectedDataDir, path)) { 386 dexoptFlags |= DEXOPT_STORAGE_CE; 387 } else { 388 Slog.e(TAG, "Could not infer CE/DE storage for package " + info.packageName); 389 return DEX_OPT_FAILED; 390 } 391 Log.d(TAG, "Running dexopt on: " + path 392 + " pkg=" + info.packageName + " isa=" + dexUseInfo.getLoaderIsas() 393 + " dexoptFlags=" + printDexoptFlags(dexoptFlags) 394 + " target-filter=" + compilerFilter); 395 396 // TODO(calin): b/64530081 b/66984396. Use SKIP_SHARED_LIBRARY_CHECK for the context 397 // (instead of dexUseInfo.getClassLoaderContext()) in order to compile secondary dex files 398 // in isolation (and avoid to extract/verify the main apk if it's in the class path). 399 // Note this trades correctness for performance since the resulting slow down is 400 // unacceptable in some cases until b/64530081 is fixed. 401 String classLoaderContext = SKIP_SHARED_LIBRARY_CHECK; 402 403 try { 404 for (String isa : dexUseInfo.getLoaderIsas()) { 405 // Reuse the same dexopt path as for the primary apks. We don't need all the 406 // arguments as some (dexopNeeded and oatDir) will be computed by installd because 407 // system server cannot read untrusted app content. 408 // TODO(calin): maybe add a separate call. 409 mInstaller.dexopt(path, info.uid, info.packageName, isa, /*dexoptNeeded*/ 0, 410 /*oatDir*/ null, dexoptFlags, 411 compilerFilter, info.volumeUuid, classLoaderContext, info.seInfoUser, 412 options.isDowngrade(), info.targetSdkVersion, /*profileName*/ null, 413 /*dexMetadataPath*/ null); 414 } 415 416 return DEX_OPT_PERFORMED; 417 } catch (InstallerException e) { 418 Slog.w(TAG, "Failed to dexopt", e); 419 return DEX_OPT_FAILED; 420 } 421 } 422 423 /** 424 * Adjust the given dexopt-needed value. Can be overridden to influence the decision to 425 * optimize or not (and in what way). 426 */ 427 protected int adjustDexoptNeeded(int dexoptNeeded) { 428 return dexoptNeeded; 429 } 430 431 /** 432 * Adjust the given dexopt flags that will be passed to the installer. 433 */ 434 protected int adjustDexoptFlags(int dexoptFlags) { 435 return dexoptFlags; 436 } 437 438 /** 439 * Dumps the dexopt state of the given package {@code pkg} to the given {@code PrintWriter}. 440 */ 441 void dumpDexoptState(IndentingPrintWriter pw, PackageParser.Package pkg, 442 PackageDexUsage.PackageUseInfo useInfo) { 443 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 444 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 445 446 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 447 448 for (String path : paths) { 449 pw.println("path: " + path); 450 pw.increaseIndent(); 451 452 for (String isa : dexCodeInstructionSets) { 453 String status = null; 454 try { 455 status = DexFile.getDexFileStatus(path, isa); 456 } catch (IOException ioe) { 457 status = "[Exception]: " + ioe.getMessage(); 458 } 459 pw.println(isa + ": " + status); 460 } 461 462 if (useInfo.isUsedByOtherApps(path)) { 463 pw.println("used by other apps: " + useInfo.getLoadingPackages(path)); 464 } 465 466 Map<String, PackageDexUsage.DexUseInfo> dexUseInfoMap = useInfo.getDexUseInfoMap(); 467 468 if (!dexUseInfoMap.isEmpty()) { 469 pw.println("known secondary dex files:"); 470 pw.increaseIndent(); 471 for (Map.Entry<String, PackageDexUsage.DexUseInfo> e : dexUseInfoMap.entrySet()) { 472 String dex = e.getKey(); 473 PackageDexUsage.DexUseInfo dexUseInfo = e.getValue(); 474 pw.println(dex); 475 pw.increaseIndent(); 476 // TODO(calin): get the status of the oat file (needs installd call) 477 pw.println("class loader context: " + dexUseInfo.getClassLoaderContext()); 478 if (dexUseInfo.isUsedByOtherApps()) { 479 pw.println("used by other apps: " + dexUseInfo.getLoadingPackages()); 480 } 481 pw.decreaseIndent(); 482 } 483 pw.decreaseIndent(); 484 } 485 pw.decreaseIndent(); 486 } 487 } 488 489 /** 490 * Returns the compiler filter that should be used to optimize the package code. 491 * The target filter will be updated if the package code is used by other apps 492 * or if it has the safe mode flag set. 493 */ 494 private String getRealCompilerFilter(ApplicationInfo info, String targetCompilerFilter, 495 boolean isUsedByOtherApps) { 496 int flags = info.flags; 497 boolean vmSafeMode = (flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 498 if (vmSafeMode) { 499 return getSafeModeCompilerFilter(targetCompilerFilter); 500 } 501 502 if (isProfileGuidedCompilerFilter(targetCompilerFilter) && isUsedByOtherApps) { 503 // If the dex files is used by other apps, apply the shared filter. 504 return PackageManagerServiceCompilerMapping.getCompilerFilterForReason( 505 PackageManagerService.REASON_SHARED); 506 } 507 508 return targetCompilerFilter; 509 } 510 511 /** 512 * Computes the dex flags that needs to be pass to installd for the given package and compiler 513 * filter. 514 */ 515 private int getDexFlags(PackageParser.Package pkg, String compilerFilter, 516 DexoptOptions options) { 517 return getDexFlags(pkg.applicationInfo, compilerFilter, options); 518 } 519 520 private int getDexFlags(ApplicationInfo info, String compilerFilter, DexoptOptions options) { 521 int flags = info.flags; 522 boolean debuggable = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 523 // Profile guide compiled oat files should not be public unles they are based 524 // on profiles from dex metadata archives. 525 // The flag isDexoptInstallWithDexMetadata applies only on installs when we know that 526 // the user does not have an existing profile. 527 boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter); 528 boolean isPublic = !info.isForwardLocked() && 529 (!isProfileGuidedFilter || options.isDexoptInstallWithDexMetadata()); 530 int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0; 531 // Some apps are executed with restrictions on hidden API usage. If this app is one 532 // of them, pass a flag to dexopt to enable the same restrictions during compilation. 533 int hiddenApiFlag = info.isAllowedToUseHiddenApi() ? 0 : DEXOPT_ENABLE_HIDDEN_API_CHECKS; 534 int dexFlags = 535 (isPublic ? DEXOPT_PUBLIC : 0) 536 | (debuggable ? DEXOPT_DEBUGGABLE : 0) 537 | profileFlag 538 | (options.isBootComplete() ? DEXOPT_BOOTCOMPLETE : 0) 539 | (options.isDexoptIdleBackgroundJob() ? DEXOPT_IDLE_BACKGROUND_JOB : 0) 540 | hiddenApiFlag; 541 return adjustDexoptFlags(dexFlags); 542 } 543 544 /** 545 * Assesses if there's a need to perform dexopt on {@code path} for the given 546 * configuration (isa, compiler filter, profile). 547 */ 548 private int getDexoptNeeded(String path, String isa, String compilerFilter, 549 String classLoaderContext, boolean newProfile, boolean downgrade) { 550 int dexoptNeeded; 551 try { 552 dexoptNeeded = DexFile.getDexOptNeeded(path, isa, compilerFilter, classLoaderContext, 553 newProfile, downgrade); 554 } catch (IOException ioe) { 555 Slog.w(TAG, "IOException reading apk: " + path, ioe); 556 return DEX_OPT_FAILED; 557 } 558 return adjustDexoptNeeded(dexoptNeeded); 559 } 560 561 /** 562 * Checks if there is an update on the profile information of the {@code pkg}. 563 * If the compiler filter is not profile guided the method returns false. 564 * 565 * Note that this is a "destructive" operation with side effects. Under the hood the 566 * current profile and the reference profile will be merged and subsequent calls 567 * may return a different result. 568 */ 569 private boolean isProfileUpdated(PackageParser.Package pkg, int uid, String profileName, 570 String compilerFilter) { 571 // Check if we are allowed to merge and if the compiler filter is profile guided. 572 if (!isProfileGuidedCompilerFilter(compilerFilter)) { 573 return false; 574 } 575 // Merge profiles. It returns whether or not there was an updated in the profile info. 576 try { 577 return mInstaller.mergeProfiles(uid, pkg.packageName, profileName); 578 } catch (InstallerException e) { 579 Slog.w(TAG, "Failed to merge profiles", e); 580 } 581 return false; 582 } 583 584 /** 585 * Creates oat dir for the specified package if needed and supported. 586 * In certain cases oat directory 587 * <strong>cannot</strong> be created: 588 * <ul> 589 * <li>{@code pkg} is a system app, which is not updated.</li> 590 * <li>Package location is not a directory, i.e. monolithic install.</li> 591 * </ul> 592 * 593 * @return Absolute path to the oat directory or null, if oat directory 594 * cannot be created. 595 */ 596 @Nullable 597 private String createOatDirIfSupported(PackageParser.Package pkg, String dexInstructionSet) { 598 if (!pkg.canHaveOatDir()) { 599 return null; 600 } 601 File codePath = new File(pkg.codePath); 602 if (codePath.isDirectory()) { 603 // TODO(calin): why do we create this only if the codePath is a directory? (i.e for 604 // cluster packages). It seems that the logic for the folder creation is 605 // split between installd and here. 606 File oatDir = getOatDir(codePath); 607 try { 608 mInstaller.createOatDir(oatDir.getAbsolutePath(), dexInstructionSet); 609 } catch (InstallerException e) { 610 Slog.w(TAG, "Failed to create oat dir", e); 611 return null; 612 } 613 return oatDir.getAbsolutePath(); 614 } 615 return null; 616 } 617 618 static File getOatDir(File codePath) { 619 return new File(codePath, OAT_DIR_NAME); 620 } 621 622 void systemReady() { 623 mSystemReady = true; 624 } 625 626 private String printDexoptFlags(int flags) { 627 ArrayList<String> flagsList = new ArrayList<>(); 628 629 if ((flags & DEXOPT_BOOTCOMPLETE) == DEXOPT_BOOTCOMPLETE) { 630 flagsList.add("boot_complete"); 631 } 632 if ((flags & DEXOPT_DEBUGGABLE) == DEXOPT_DEBUGGABLE) { 633 flagsList.add("debuggable"); 634 } 635 if ((flags & DEXOPT_PROFILE_GUIDED) == DEXOPT_PROFILE_GUIDED) { 636 flagsList.add("profile_guided"); 637 } 638 if ((flags & DEXOPT_PUBLIC) == DEXOPT_PUBLIC) { 639 flagsList.add("public"); 640 } 641 if ((flags & DEXOPT_SECONDARY_DEX) == DEXOPT_SECONDARY_DEX) { 642 flagsList.add("secondary"); 643 } 644 if ((flags & DEXOPT_FORCE) == DEXOPT_FORCE) { 645 flagsList.add("force"); 646 } 647 if ((flags & DEXOPT_STORAGE_CE) == DEXOPT_STORAGE_CE) { 648 flagsList.add("storage_ce"); 649 } 650 if ((flags & DEXOPT_STORAGE_DE) == DEXOPT_STORAGE_DE) { 651 flagsList.add("storage_de"); 652 } 653 if ((flags & DEXOPT_IDLE_BACKGROUND_JOB) == DEXOPT_IDLE_BACKGROUND_JOB) { 654 flagsList.add("idle_background_job"); 655 } 656 if ((flags & DEXOPT_ENABLE_HIDDEN_API_CHECKS) == DEXOPT_ENABLE_HIDDEN_API_CHECKS) { 657 flagsList.add("enable_hidden_api_checks"); 658 } 659 660 return String.join(",", flagsList); 661 } 662 663 /** 664 * A specialized PackageDexOptimizer that overrides already-installed checks, forcing a 665 * dexopt path. 666 */ 667 public static class ForcedUpdatePackageDexOptimizer extends PackageDexOptimizer { 668 669 public ForcedUpdatePackageDexOptimizer(Installer installer, Object installLock, 670 Context context, String wakeLockTag) { 671 super(installer, installLock, context, wakeLockTag); 672 } 673 674 public ForcedUpdatePackageDexOptimizer(PackageDexOptimizer from) { 675 super(from); 676 } 677 678 @Override 679 protected int adjustDexoptNeeded(int dexoptNeeded) { 680 if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) { 681 // Ensure compilation by pretending a compiler filter change on the 682 // apk/odex location (the reason for the '-'. A positive value means 683 // the 'oat' location). 684 return -DexFile.DEX2OAT_FOR_FILTER; 685 } 686 return dexoptNeeded; 687 } 688 689 @Override 690 protected int adjustDexoptFlags(int flags) { 691 // Add DEXOPT_FORCE flag to signal installd that it should force compilation 692 // and discard dexoptanalyzer result. 693 return flags | DEXOPT_FORCE; 694 } 695 } 696} 697