Rename debugFlags to runtimeFlags.

Also now pass the flags to the forked process through --runtime-flags instead
of converting to command line arguments and converting back to an integer.

bug: 30972906
bug: 63920015

Test: builds

Change-Id: I7f10c43dd916ca2d3b9b5141f17261eb7b64f49a
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index ae0b885..c45eb2e 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -19,8 +19,8 @@
 import android.annotation.TestApi;
 import android.system.Os;
 import android.system.OsConstants;
-import android.util.Log;
 import android.webkit.WebViewZygote;
+
 import dalvik.system.VMRuntime;
 
 /**
@@ -417,7 +417,7 @@
      * 
      * When invokeWith is not null, the process will be started as a fresh app
      * and not a zygote fork. Note that this is only allowed for uid 0 or when
-     * debugFlags contains DEBUG_ENABLE_DEBUGGER.
+     * runtimeFlags contains DEBUG_ENABLE_DEBUGGER.
      *
      * @param processClass The class to use as the process's main entry
      *                     point.
@@ -425,7 +425,7 @@
      * @param uid The user-id under which the process will run.
      * @param gid The group-id under which the process will run.
      * @param gids Additional group-ids associated with the process.
-     * @param debugFlags Additional flags.
+     * @param runtimeFlags Additional flags for the runtime.
      * @param targetSdkVersion The target SDK version for the app.
      * @param seInfo null-ok SELinux information for the new process.
      * @param abi non-null the ABI this app should be started with.
@@ -442,7 +442,7 @@
     public static final ProcessStartResult start(final String processClass,
                                   final String niceName,
                                   int uid, int gid, int[] gids,
-                                  int debugFlags, int mountExternal,
+                                  int runtimeFlags, int mountExternal,
                                   int targetSdkVersion,
                                   String seInfo,
                                   String abi,
@@ -451,7 +451,7 @@
                                   String invokeWith,
                                   String[] zygoteArgs) {
         return zygoteProcess.start(processClass, niceName, uid, gid, gids,
-                    debugFlags, mountExternal, targetSdkVersion, seInfo,
+                    runtimeFlags, mountExternal, targetSdkVersion, seInfo,
                     abi, instructionSet, appDataDir, invokeWith, zygoteArgs);
     }
 
@@ -459,7 +459,7 @@
     public static final ProcessStartResult startWebView(final String processClass,
                                   final String niceName,
                                   int uid, int gid, int[] gids,
-                                  int debugFlags, int mountExternal,
+                                  int runtimeFlags, int mountExternal,
                                   int targetSdkVersion,
                                   String seInfo,
                                   String abi,
@@ -468,7 +468,7 @@
                                   String invokeWith,
                                   String[] zygoteArgs) {
         return WebViewZygote.getProcess().start(processClass, niceName, uid, gid, gids,
-                    debugFlags, mountExternal, targetSdkVersion, seInfo,
+                    runtimeFlags, mountExternal, targetSdkVersion, seInfo,
                     abi, instructionSet, appDataDir, invokeWith, zygoteArgs);
     }
 
diff --git a/core/java/android/os/ZygoteProcess.java b/core/java/android/os/ZygoteProcess.java
index 8208438..7045200 100644
--- a/core/java/android/os/ZygoteProcess.java
+++ b/core/java/android/os/ZygoteProcess.java
@@ -19,9 +19,11 @@
 import android.net.LocalSocket;
 import android.net.LocalSocketAddress;
 import android.util.Log;
+
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.os.Zygote;
 import com.android.internal.util.Preconditions;
+
 import java.io.BufferedWriter;
 import java.io.DataInputStream;
 import java.io.IOException;
@@ -172,7 +174,7 @@
      *
      * When invokeWith is not null, the process will be started as a fresh app
      * and not a zygote fork. Note that this is only allowed for uid 0 or when
-     * debugFlags contains DEBUG_ENABLE_DEBUGGER.
+     * runtimeFlags contains DEBUG_ENABLE_DEBUGGER.
      *
      * @param processClass The class to use as the process's main entry
      *                     point.
@@ -180,7 +182,7 @@
      * @param uid The user-id under which the process will run.
      * @param gid The group-id under which the process will run.
      * @param gids Additional group-ids associated with the process.
-     * @param debugFlags Additional flags.
+     * @param runtimeFlags Additional flags.
      * @param targetSdkVersion The target SDK version for the app.
      * @param seInfo null-ok SELinux information for the new process.
      * @param abi non-null the ABI this app should be started with.
@@ -195,7 +197,7 @@
     public final Process.ProcessStartResult start(final String processClass,
                                                   final String niceName,
                                                   int uid, int gid, int[] gids,
-                                                  int debugFlags, int mountExternal,
+                                                  int runtimeFlags, int mountExternal,
                                                   int targetSdkVersion,
                                                   String seInfo,
                                                   String abi,
@@ -205,7 +207,7 @@
                                                   String[] zygoteArgs) {
         try {
             return startViaZygote(processClass, niceName, uid, gid, gids,
-                    debugFlags, mountExternal, targetSdkVersion, seInfo,
+                    runtimeFlags, mountExternal, targetSdkVersion, seInfo,
                     abi, instructionSet, appDataDir, invokeWith, zygoteArgs);
         } catch (ZygoteStartFailedEx ex) {
             Log.e(LOG_TAG,
@@ -316,7 +318,7 @@
      * @param gid a POSIX gid that the new process shuold setgid() to
      * @param gids null-ok; a list of supplementary group IDs that the
      * new process should setgroup() to.
-     * @param debugFlags Additional flags.
+     * @param runtimeFlags Additional flags for the runtime.
      * @param targetSdkVersion The target SDK version for the app.
      * @param seInfo null-ok SELinux information for the new process.
      * @param abi the ABI the process should use.
@@ -330,7 +332,7 @@
                                                       final String niceName,
                                                       final int uid, final int gid,
                                                       final int[] gids,
-                                                      int debugFlags, int mountExternal,
+                                                      int runtimeFlags, int mountExternal,
                                                       int targetSdkVersion,
                                                       String seInfo,
                                                       String abi,
@@ -346,33 +348,7 @@
         argsForZygote.add("--runtime-args");
         argsForZygote.add("--setuid=" + uid);
         argsForZygote.add("--setgid=" + gid);
-        if ((debugFlags & Zygote.DEBUG_ENABLE_JNI_LOGGING) != 0) {
-            argsForZygote.add("--enable-jni-logging");
-        }
-        if ((debugFlags & Zygote.DEBUG_ENABLE_SAFEMODE) != 0) {
-            argsForZygote.add("--enable-safemode");
-        }
-        if ((debugFlags & Zygote.DEBUG_ENABLE_JDWP) != 0) {
-            argsForZygote.add("--enable-jdwp");
-        }
-        if ((debugFlags & Zygote.DEBUG_ENABLE_CHECKJNI) != 0) {
-            argsForZygote.add("--enable-checkjni");
-        }
-        if ((debugFlags & Zygote.DEBUG_GENERATE_DEBUG_INFO) != 0) {
-            argsForZygote.add("--generate-debug-info");
-        }
-        if ((debugFlags & Zygote.DEBUG_ALWAYS_JIT) != 0) {
-            argsForZygote.add("--always-jit");
-        }
-        if ((debugFlags & Zygote.DEBUG_NATIVE_DEBUGGABLE) != 0) {
-            argsForZygote.add("--native-debuggable");
-        }
-        if ((debugFlags & Zygote.DEBUG_JAVA_DEBUGGABLE) != 0) {
-            argsForZygote.add("--java-debuggable");
-        }
-        if ((debugFlags & Zygote.DEBUG_ENABLE_ASSERT) != 0) {
-            argsForZygote.add("--enable-assert");
-        }
+        argsForZygote.add("--runtime-flags=" + runtimeFlags);
         if (mountExternal == Zygote.MOUNT_EXTERNAL_DEFAULT) {
             argsForZygote.add("--mount-external-default");
         } else if (mountExternal == Zygote.MOUNT_EXTERNAL_READ) {
diff --git a/core/java/com/android/internal/os/Zygote.java b/core/java/com/android/internal/os/Zygote.java
index 91d9d1e..e159495 100644
--- a/core/java/com/android/internal/os/Zygote.java
+++ b/core/java/com/android/internal/os/Zygote.java
@@ -28,7 +28,7 @@
 /** @hide */
 public final class Zygote {
     /*
-    * Bit values for "debugFlags" argument.  The definitions are duplicated
+    * Bit values for "runtimeFlags" argument.  The definitions are duplicated
     * in the native code.
     */
 
@@ -75,7 +75,7 @@
      * fork()ing and and before spawning any threads.
      * @param gids null-ok; a list of UNIX gids that the new process should
      * setgroups() to after fork and before spawning any threads.
-     * @param debugFlags bit flags that enable debugging features.
+     * @param runtimeFlags bit flags that enable ART features.
      * @param rlimits null-ok an array of rlimit tuples, with the second
      * dimension having a length of 3 and representing
      * (resource, rlim_cur, rlim_max). These are set via the posix
@@ -96,14 +96,14 @@
      * @return 0 if this is the child, pid of the child
      * if this is the parent, or -1 on error.
      */
-    public static int forkAndSpecialize(int uid, int gid, int[] gids, int debugFlags,
+    public static int forkAndSpecialize(int uid, int gid, int[] gids, int runtimeFlags,
           int[][] rlimits, int mountExternal, String seInfo, String niceName, int[] fdsToClose,
           int[] fdsToIgnore, String instructionSet, String appDataDir) {
         VM_HOOKS.preFork();
         // Resets nice priority for zygote process.
         resetNicePriority();
         int pid = nativeForkAndSpecialize(
-                  uid, gid, gids, debugFlags, rlimits, mountExternal, seInfo, niceName, fdsToClose,
+                  uid, gid, gids, runtimeFlags, rlimits, mountExternal, seInfo, niceName, fdsToClose,
                   fdsToIgnore, instructionSet, appDataDir);
         // Enable tracing as soon as possible for the child process.
         if (pid == 0) {
@@ -116,7 +116,7 @@
         return pid;
     }
 
-    native private static int nativeForkAndSpecialize(int uid, int gid, int[] gids,int debugFlags,
+    native private static int nativeForkAndSpecialize(int uid, int gid, int[] gids,int runtimeFlags,
           int[][] rlimits, int mountExternal, String seInfo, String niceName, int[] fdsToClose,
           int[] fdsToIgnore, String instructionSet, String appDataDir);
 
@@ -137,7 +137,7 @@
      * fork()ing and and before spawning any threads.
      * @param gids null-ok; a list of UNIX gids that the new process should
      * setgroups() to after fork and before spawning any threads.
-     * @param debugFlags bit flags that enable debugging features.
+     * @param runtimeFlags bit flags that enable ART features.
      * @param rlimits null-ok an array of rlimit tuples, with the second
      * dimension having a length of 3 and representing
      * (resource, rlim_cur, rlim_max). These are set via the posix
@@ -148,13 +148,13 @@
      * @return 0 if this is the child, pid of the child
      * if this is the parent, or -1 on error.
      */
-    public static int forkSystemServer(int uid, int gid, int[] gids, int debugFlags,
+    public static int forkSystemServer(int uid, int gid, int[] gids, int runtimeFlags,
             int[][] rlimits, long permittedCapabilities, long effectiveCapabilities) {
         VM_HOOKS.preFork();
         // Resets nice priority for zygote process.
         resetNicePriority();
         int pid = nativeForkSystemServer(
-                uid, gid, gids, debugFlags, rlimits, permittedCapabilities, effectiveCapabilities);
+                uid, gid, gids, runtimeFlags, rlimits, permittedCapabilities, effectiveCapabilities);
         // Enable tracing as soon as we enter the system_server.
         if (pid == 0) {
             Trace.setTracingEnabled(true);
@@ -163,7 +163,7 @@
         return pid;
     }
 
-    native private static int nativeForkSystemServer(int uid, int gid, int[] gids, int debugFlags,
+    native private static int nativeForkSystemServer(int uid, int gid, int[] gids, int runtimeFlags,
             int[][] rlimits, long permittedCapabilities, long effectiveCapabilities);
 
     /**
@@ -177,9 +177,9 @@
      */
     native protected static void nativeUnmountStorageOnInit();
 
-    private static void callPostForkChildHooks(int debugFlags, boolean isSystemServer,
+    private static void callPostForkChildHooks(int runtimeFlags, boolean isSystemServer,
             String instructionSet) {
-        VM_HOOKS.postForkChild(debugFlags, isSystemServer, instructionSet);
+        VM_HOOKS.postForkChild(runtimeFlags, isSystemServer, instructionSet);
     }
 
     /**
diff --git a/core/java/com/android/internal/os/ZygoteConnection.java b/core/java/com/android/internal/os/ZygoteConnection.java
index 05f43e4..45cb840 100644
--- a/core/java/com/android/internal/os/ZygoteConnection.java
+++ b/core/java/com/android/internal/os/ZygoteConnection.java
@@ -230,7 +230,7 @@
             fd = null;
 
             pid = Zygote.forkAndSpecialize(parsedArgs.uid, parsedArgs.gid, parsedArgs.gids,
-                    parsedArgs.debugFlags, rlimits, parsedArgs.mountExternal, parsedArgs.seInfo,
+                    parsedArgs.runtimeFlags, rlimits, parsedArgs.mountExternal, parsedArgs.seInfo,
                     parsedArgs.niceName, fdsToClose, fdsToIgnore, parsedArgs.instructionSet,
                     parsedArgs.appDataDir);
         } catch (ErrnoException ex) {
@@ -363,11 +363,9 @@
         int[] gids;
 
         /**
-         * From --enable-jdwp, --enable-checkjni, --enable-assert,
-         * --enable-safemode, --generate-debug-info, --enable-jni-logging,
-         * --java-debuggable, and --native-debuggable.
+         * From --runtime-flags.
          */
-        int debugFlags;
+        int runtimeFlags;
 
         /** From --mount-external */
         int mountExternal = Zygote.MOUNT_EXTERNAL_NONE;
@@ -483,26 +481,11 @@
                     targetSdkVersionSpecified = true;
                     targetSdkVersion = Integer.parseInt(
                             arg.substring(arg.indexOf('=') + 1));
-                } else if (arg.equals("--enable-jdwp")) {
-                    debugFlags |= Zygote.DEBUG_ENABLE_JDWP;
-                } else if (arg.equals("--enable-safemode")) {
-                    debugFlags |= Zygote.DEBUG_ENABLE_SAFEMODE;
-                } else if (arg.equals("--enable-checkjni")) {
-                    debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;
-                } else if (arg.equals("--generate-debug-info")) {
-                    debugFlags |= Zygote.DEBUG_GENERATE_DEBUG_INFO;
-                } else if (arg.equals("--always-jit")) {
-                    debugFlags |= Zygote.DEBUG_ALWAYS_JIT;
-                } else if (arg.equals("--native-debuggable")) {
-                    debugFlags |= Zygote.DEBUG_NATIVE_DEBUGGABLE;
-                } else if (arg.equals("--java-debuggable")) {
-                    debugFlags |= Zygote.DEBUG_JAVA_DEBUGGABLE;
-                } else if (arg.equals("--enable-jni-logging")) {
-                    debugFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING;
-                } else if (arg.equals("--enable-assert")) {
-                    debugFlags |= Zygote.DEBUG_ENABLE_ASSERT;
                 } else if (arg.equals("--runtime-args")) {
                     seenRuntimeArgs = true;
+                } else if (arg.startsWith("--runtime-flags=")) {
+                    runtimeFlags = Integer.parseInt(
+                            arg.substring(arg.indexOf('=') + 1));
                 } else if (arg.startsWith("--seinfo=")) {
                     if (seInfoSpecified) {
                         throw new IllegalArgumentException(
@@ -718,7 +701,7 @@
      */
     public static void applyDebuggerSystemProperty(Arguments args) {
         if (RoSystemProperties.DEBUGGABLE) {
-            args.debugFlags |= Zygote.DEBUG_ENABLE_JDWP;
+            args.runtimeFlags |= Zygote.DEBUG_ENABLE_JDWP;
         }
     }
 
@@ -740,7 +723,7 @@
         int peerUid = peer.getUid();
 
         if (args.invokeWith != null && peerUid != 0 &&
-            (args.debugFlags & Zygote.DEBUG_ENABLE_JDWP) == 0) {
+            (args.runtimeFlags & Zygote.DEBUG_ENABLE_JDWP) == 0) {
             throw new ZygoteSecurityException("Peer is permitted to specify an"
                     + "explicit invoke-with wrapper command only for debuggable"
                     + "applications.");
diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/android/internal/os/ZygoteInit.java
index c8c7ed9..03459c0 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -642,7 +642,7 @@
             pid = Zygote.forkSystemServer(
                     parsedArgs.uid, parsedArgs.gid,
                     parsedArgs.gids,
-                    parsedArgs.debugFlags,
+                    parsedArgs.runtimeFlags,
                     null,
                     parsedArgs.permittedCapabilities,
                     parsedArgs.effectiveCapabilities);
diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp
index 914688e..b08f031 100644
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -477,7 +477,7 @@
 
 // Utility routine to fork zygote and specialize the child process.
 static pid_t ForkAndSpecializeCommon(JNIEnv* env, uid_t uid, gid_t gid, jintArray javaGids,
-                                     jint debug_flags, jobjectArray javaRlimits,
+                                     jint runtime_flags, jobjectArray javaRlimits,
                                      jlong permittedCapabilities, jlong effectiveCapabilities,
                                      jint mount_external,
                                      jstring java_se_info, jstring java_se_name,
@@ -658,7 +658,7 @@
 
     UnsetSigChldHandler();
 
-    env->CallStaticVoidMethod(gZygoteClass, gCallPostForkChildHooks, debug_flags,
+    env->CallStaticVoidMethod(gZygoteClass, gCallPostForkChildHooks, runtime_flags,
                               is_system_server, instructionSet);
     if (env->ExceptionCheck()) {
       RuntimeAbort(env, __LINE__, "Error calling post fork hooks.");
@@ -700,7 +700,7 @@
 
 static jint com_android_internal_os_Zygote_nativeForkAndSpecialize(
         JNIEnv* env, jclass, jint uid, jint gid, jintArray gids,
-        jint debug_flags, jobjectArray rlimits,
+        jint runtime_flags, jobjectArray rlimits,
         jint mount_external, jstring se_info, jstring se_name,
         jintArray fdsToClose,
         jintArray fdsToIgnore,
@@ -744,17 +744,17 @@
     // available.
     capabilities &= GetEffectiveCapabilityMask(env);
 
-    return ForkAndSpecializeCommon(env, uid, gid, gids, debug_flags,
+    return ForkAndSpecializeCommon(env, uid, gid, gids, runtime_flags,
             rlimits, capabilities, capabilities, mount_external, se_info,
             se_name, false, fdsToClose, fdsToIgnore, instructionSet, appDataDir);
 }
 
 static jint com_android_internal_os_Zygote_nativeForkSystemServer(
         JNIEnv* env, jclass, uid_t uid, gid_t gid, jintArray gids,
-        jint debug_flags, jobjectArray rlimits, jlong permittedCapabilities,
+        jint runtime_flags, jobjectArray rlimits, jlong permittedCapabilities,
         jlong effectiveCapabilities) {
   pid_t pid = ForkAndSpecializeCommon(env, uid, gid, gids,
-                                      debug_flags, rlimits,
+                                      runtime_flags, rlimits,
                                       permittedCapabilities, effectiveCapabilities,
                                       MOUNT_EXTERNAL_DEFAULT, NULL, NULL, true, NULL,
                                       NULL, NULL, NULL);
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 5f679db..c699a56 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -3836,38 +3836,38 @@
                     uid = 0;
                 }
             }
-            int debugFlags = 0;
+            int runtimeFlags = 0;
             if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) {
-                debugFlags |= Zygote.DEBUG_ENABLE_JDWP;
-                debugFlags |= Zygote.DEBUG_JAVA_DEBUGGABLE;
+                runtimeFlags |= Zygote.DEBUG_ENABLE_JDWP;
+                runtimeFlags |= Zygote.DEBUG_JAVA_DEBUGGABLE;
                 // Also turn on CheckJNI for debuggable apps. It's quite
                 // awkward to turn on otherwise.
-                debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;
+                runtimeFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;
             }
             // Run the app in safe mode if its manifest requests so or the
             // system is booted in safe mode.
             if ((app.info.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0 ||
                 mSafeMode == true) {
-                debugFlags |= Zygote.DEBUG_ENABLE_SAFEMODE;
+                runtimeFlags |= Zygote.DEBUG_ENABLE_SAFEMODE;
             }
             if ("1".equals(SystemProperties.get("debug.checkjni"))) {
-                debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;
+                runtimeFlags |= Zygote.DEBUG_ENABLE_CHECKJNI;
             }
             String genDebugInfoProperty = SystemProperties.get("debug.generate-debug-info");
             if ("true".equals(genDebugInfoProperty)) {
-                debugFlags |= Zygote.DEBUG_GENERATE_DEBUG_INFO;
+                runtimeFlags |= Zygote.DEBUG_GENERATE_DEBUG_INFO;
             }
             if ("1".equals(SystemProperties.get("debug.jni.logging"))) {
-                debugFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING;
+                runtimeFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING;
             }
             if ("1".equals(SystemProperties.get("debug.assert"))) {
-                debugFlags |= Zygote.DEBUG_ENABLE_ASSERT;
+                runtimeFlags |= Zygote.DEBUG_ENABLE_ASSERT;
             }
             if (mNativeDebuggingApp != null && mNativeDebuggingApp.equals(app.processName)) {
                 // Enable all debug flags required by the native debugger.
-                debugFlags |= Zygote.DEBUG_ALWAYS_JIT;          // Don't interpret anything
-                debugFlags |= Zygote.DEBUG_GENERATE_DEBUG_INFO; // Generate debug info
-                debugFlags |= Zygote.DEBUG_NATIVE_DEBUGGABLE;   // Disbale optimizations
+                runtimeFlags |= Zygote.DEBUG_ALWAYS_JIT;          // Don't interpret anything
+                runtimeFlags |= Zygote.DEBUG_GENERATE_DEBUG_INFO; // Generate debug info
+                runtimeFlags |= Zygote.DEBUG_NATIVE_DEBUGGABLE;   // Disbale optimizations
                 mNativeDebuggingApp = null;
             }
 
@@ -3917,12 +3917,12 @@
             ProcessStartResult startResult;
             if (hostingType.equals("webview_service")) {
                 startResult = startWebView(entryPoint,
-                        app.processName, uid, uid, gids, debugFlags, mountExternal,
+                        app.processName, uid, uid, gids, runtimeFlags, mountExternal,
                         app.info.targetSdkVersion, seInfo, requiredAbi, instructionSet,
                         app.info.dataDir, null, entryPointArgs);
             } else {
                 startResult = Process.start(entryPoint,
-                        app.processName, uid, uid, gids, debugFlags, mountExternal,
+                        app.processName, uid, uid, gids, runtimeFlags, mountExternal,
                         app.info.targetSdkVersion, seInfo, requiredAbi, instructionSet,
                         app.info.dataDir, invokeWith, entryPointArgs);
             }