Switching off ART verifications for debuggable apps (dev option-controlled).
This is complementary to switching off install-time checks for
debuggable apps and improves launch times for dex-heavy apps.
It's ON by default and controlled via developer option.
Bug: 124403695
Test: manual
Change-Id: Icafba38e8af71ef785088577ebf674bc13e26666
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index d75c5e2..b5bccb7 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -11707,6 +11707,14 @@
public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
/**
+ * Enable ART bytecode verification verifications for debuggable apps.
+ * 0 = disable, 1 = enable.
+ * @hide
+ */
+ public static final String ART_VERIFIER_VERIFY_DEBUGGABLE =
+ "art_verifier_verify_debuggable";
+
+ /**
* Power manager specific settings.
* This is encoded as a key=value list, separated by commas. Ex:
*
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 4d2f005..44556cd 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -122,6 +122,7 @@
Settings.Global.APP_OPS_CONSTANTS,
Settings.Global.APP_STANDBY_ENABLED,
Settings.Global.APP_TIME_LIMIT_USAGE_SOURCE,
+ Settings.Global.ART_VERIFIER_VERIFY_DEBUGGABLE,
Settings.Global.ASSISTED_GPS_ENABLED,
Settings.Global.AUDIO_SAFE_VOLUME_STATE,
Settings.Global.AUTOFILL_COMPAT_MODE_ALLOWED_PACKAGES,
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index 0d49e4c..e1f2651 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -1498,6 +1498,13 @@
// Also turn on CheckJNI for debuggable apps. It's quite
// awkward to turn on otherwise.
runtimeFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;
+
+ // Check if the developer does not want ART verification
+ if (android.provider.Settings.Global.getInt(mService.mContext.getContentResolver(),
+ android.provider.Settings.Global.ART_VERIFIER_VERIFY_DEBUGGABLE, 1) == 0) {
+ runtimeFlags |= Zygote.DISABLE_VERIFIER;
+ Slog.w(TAG_PROCESSES, app + ": ART verification disabled");
+ }
}
// Run the app in safe mode if its manifest requests so or the
// system is booted in safe mode.