Merge "Set DEXOPT_DISABLE_HIDDEN_API_CHECKS for system apps" (6dea42ae) · Commits · e / os / android_frameworks_base

core/java/android/content/pm/ApplicationInfo.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -1455,6 +1455,13 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable {
		}
		}

		/**
		* @hide
		*/
		public boolean isAllowedToUseHiddenApi() {
		return isSystemApp();
		}

		/**
		* @hide
		*/

core/java/com/android/internal/os/ZygoteInit.java

+8 −1

Original line number	Diff line number	Diff line
		@@ -98,6 +98,10 @@ public class ZygoteInit {

		private static final String SOCKET_NAME_ARG = "--socket-name=";

		/* Dexopt flag to disable hidden API access checks when dexopting SystemServer.
		* Must be kept in sync with com.android.server.pm.Installer. */
		private static final int DEXOPT_DISABLE_HIDDEN_API_CHECKS = 1 << 10;

		/**
		* Used to pre-load resources.
		*/
		@@ -565,7 +569,10 @@ public class ZygoteInit {
		if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
		final String packageName = "*";
		final String outputPath = null;
		final int dexFlags = 0;
		// Dexopt with a flag which lifts restrictions on hidden API usage.
		// Offending methods would otherwise be re-verified at runtime and
		// we want to avoid the performance overhead of that.
		final int dexFlags = DEXOPT_DISABLE_HIDDEN_API_CHECKS;
		final String compilerFilter = systemServerFilter;
		final String uuid = StorageManager.UUID_PRIVATE_INTERNAL;
		final String seInfo = null;

services/core/java/com/android/server/pm/Installer.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -58,6 +58,9 @@ public class Installer extends SystemService {
		public static final int DEXOPT_STORAGE_DE = 1 << 8;
		/** Indicates that dexopt is invoked from the background service. */
		public static final int DEXOPT_IDLE_BACKGROUND_JOB = 1 << 9;
		/* Indicates that dexopt should not restrict access to private APIs.
		* Must be kept in sync with com.android.internal.os.ZygoteInit. */
		public static final int DEXOPT_DISABLE_HIDDEN_API_CHECKS = 1 << 10;

		// NOTE: keep in sync with installd
		public static final int FLAG_CLEAR_CACHE_ONLY = 1 << 8;

services/core/java/com/android/server/pm/PackageDexOptimizer.java

+11 −1

Original line number	Diff line number	Diff line
		@@ -55,6 +55,7 @@ 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_DISABLE_HIDDEN_API_CHECKS;
		import static com.android.server.pm.InstructionSets.getAppDexInstructionSets;
		import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets;

		@@ -509,12 +510,18 @@ public class PackageDexOptimizer {
		boolean isProfileGuidedFilter = isProfileGuidedCompilerFilter(compilerFilter);
		boolean isPublic = !info.isForwardLocked() && !isProfileGuidedFilter;
		int profileFlag = isProfileGuidedFilter ? DEXOPT_PROFILE_GUIDED : 0;
		// System apps are invoked with a runtime flag which exempts them from
		// restrictions on hidden API usage. We dexopt with the same runtime flag
		// otherwise offending methods would have to be re-verified at runtime
		// and we want to avoid the performance overhead of that.
		int hiddenApiFlag = info.isAllowedToUseHiddenApi() ? DEXOPT_DISABLE_HIDDEN_API_CHECKS : 0;
		int dexFlags =
		(isPublic ? DEXOPT_PUBLIC : 0)
		\| (debuggable ? DEXOPT_DEBUGGABLE : 0)
		\| profileFlag
		\| (options.isBootComplete() ? DEXOPT_BOOTCOMPLETE : 0)
		\| (options.isDexoptIdleBackgroundJob() ? DEXOPT_IDLE_BACKGROUND_JOB : 0);
		\| (options.isDexoptIdleBackgroundJob() ? DEXOPT_IDLE_BACKGROUND_JOB : 0)
		\| hiddenApiFlag;
		return adjustDexoptFlags(dexFlags);
		}

		@@ -629,6 +636,9 @@ public class PackageDexOptimizer {
		if ((flags & DEXOPT_IDLE_BACKGROUND_JOB) == DEXOPT_IDLE_BACKGROUND_JOB) {
		flagsList.add("idle_background_job");
		}
		if ((flags & DEXOPT_DISABLE_HIDDEN_API_CHECKS) == DEXOPT_DISABLE_HIDDEN_API_CHECKS) {
		flagsList.add("disable_hidden_api_checks");
		}

		return String.join(",", flagsList);
		}