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