diff options
-rwxr-xr-x | services/core/java/com/android/server/pm/PackageManagerService.java | 97 |
1 files changed, 71 insertions, 26 deletions
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java index 46c5482..dd5e9de 100755 --- a/services/core/java/com/android/server/pm/PackageManagerService.java +++ b/services/core/java/com/android/server/pm/PackageManagerService.java @@ -5486,6 +5486,20 @@ public class PackageManagerService extends IPackageManager.Stub { } pkg.mScanPath = path; + if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { + // We don't do this here during boot because we can do it all + // at once after scanning all existing packages. + // + // We also do this *before* we perform dexopt on this package, so that + // we can avoid redundant dexopts, and also to make sure we've got the + // code and package path correct. + if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, + pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { + mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; + return null; + } + } + if ((scanMode&SCAN_NO_DEX) == 0) { if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { @@ -5613,16 +5627,6 @@ public class PackageManagerService extends IPackageManager.Stub { // writer synchronized (mPackages) { - if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { - // We don't do this here during boot because we can do it all - // at once after scanning all existing packages. - if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, - pkg.applicationInfo.cpuAbi, - forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { - mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; - return null; - } - } // We don't expect installation to fail beyond this point, if ((scanMode&SCAN_MONITOR) != 0) { mAppDirs.put(pkg.mPath, pkg); @@ -5967,19 +5971,43 @@ public class PackageManagerService extends IPackageManager.Stub { return pkg; } + /** + * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. + * i.e, so that all packages can be run inside a single process if required. + * + * Optionally, callers can pass in a parsed package via {@code newPackage} in which case + * this function will either try and make the ABI for all packages in {@code packagesForUser} + * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match + * the ABI selected for {@code packagesForUser}. This variant is used when installing or + * updating a package that belongs to a shared user. + */ private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, - String requiredInstructionSet, boolean forceDexOpt, boolean deferDexOpt) { + PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { + String requiredInstructionSet = null; + if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { + requiredInstructionSet = VMRuntime.getInstructionSet( + scannedPackage.applicationInfo.cpuAbi); + } + PackageSetting requirer = null; for (PackageSetting ps : packagesForUser) { - if (ps.cpuAbiString != null) { + // If packagesForUser contains scannedPackage, we skip it. This will happen + // when scannedPackage is an update of an existing package. Without this check, + // we will never be able to change the ABI of any package belonging to a shared + // user, even if it's compatible with other packages. + if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { + if (ps.cpuAbiString == null) { + continue; + } + final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); if (requiredInstructionSet != null) { if (!instructionSet.equals(requiredInstructionSet)) { // We have a mismatch between instruction sets (say arm vs arm64). // bail out. String errorMessage = "Instruction set mismatch, " - + ((requirer == null) ? "[caller]" : requirer.pkg) - + " requires " + requiredInstructionSet + " whereas " + ps.pkg + + ((requirer == null) ? "[caller]" : requirer) + + " requires " + requiredInstructionSet + " whereas " + ps + " requires " + instructionSet; Slog.e(TAG, errorMessage); @@ -5995,20 +6023,37 @@ public class PackageManagerService extends IPackageManager.Stub { } if (requiredInstructionSet != null) { + String adjustedAbi; + if (requirer != null) { + // requirer != null implies that either scannedPackage was null or that scannedPackage + // did not require an ABI, in which case we have to adjust scannedPackage to match + // the ABI of the set (which is the same as requirer's ABI) + adjustedAbi = requirer.cpuAbiString; + if (scannedPackage != null) { + scannedPackage.applicationInfo.cpuAbi = adjustedAbi; + } + } else { + // requirer == null implies that we're updating all ABIs in the set to + // match scannedPackage. + adjustedAbi = scannedPackage.applicationInfo.cpuAbi; + } + for (PackageSetting ps : packagesForUser) { - if (ps.cpuAbiString == null) { - ps.cpuAbiString = requirer.cpuAbiString; - if (ps.pkg != null) { - ps.pkg.applicationInfo.cpuAbi = requirer.cpuAbiString; - Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + ps.cpuAbiString); + if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { + if (ps.cpuAbiString != null) { + continue; + } - if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { - ps.cpuAbiString = null; - ps.pkg.applicationInfo.cpuAbi = null; - return false; - } else { - mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); - } + ps.cpuAbiString = adjustedAbi; + ps.pkg.applicationInfo.cpuAbi = adjustedAbi; + Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); + + if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { + ps.cpuAbiString = null; + ps.pkg.applicationInfo.cpuAbi = null; + return false; + } else { + mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); } } } |