The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 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 | |
| 17 | package com.android.internal.os; |
| 18 | |
Sudheer Shanka | dc589ac | 2016-11-10 15:30:17 -0800 | [diff] [blame] | 19 | import android.app.ActivityManager; |
Eric Rowe | 35980b2 | 2013-09-03 10:51:15 -0700 | [diff] [blame] | 20 | import android.app.ActivityThread; |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 21 | import android.app.ApplicationErrorReport; |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 22 | import android.os.Build; |
Jeff Sharkey | f888056 | 2016-02-26 13:03:01 -0700 | [diff] [blame] | 23 | import android.os.DeadObjectException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | import android.os.Debug; |
| 25 | import android.os.IBinder; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 26 | import android.os.Process; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 27 | import android.os.SystemProperties; |
Narayan Kamath | fbb32f6 | 2015-06-12 15:34:35 +0100 | [diff] [blame] | 28 | import android.os.Trace; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 29 | import android.util.Log; |
Dianne Hackborn | c9421ba | 2010-03-11 22:23:46 -0800 | [diff] [blame] | 30 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | import com.android.internal.logging.AndroidConfig; |
Jesse Wilson | 8568db5 | 2011-06-28 19:06:31 -0700 | [diff] [blame] | 32 | import com.android.server.NetworkManagementSocketTagger; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | import dalvik.system.VMRuntime; |
Narayan Kamath | ac0b4be | 2017-07-05 14:45:38 +0100 | [diff] [blame] | 34 | import java.lang.reflect.InvocationTargetException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 35 | import java.lang.reflect.Method; |
| 36 | import java.lang.reflect.Modifier; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 37 | import java.util.TimeZone; |
Jesse Wilson | 8568db5 | 2011-06-28 19:06:31 -0700 | [diff] [blame] | 38 | import java.util.logging.LogManager; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | import org.apache.harmony.luni.internal.util.TimezoneGetter; |
| 40 | |
| 41 | /** |
| 42 | * Main entry point for runtime initialization. Not for |
| 43 | * public consumption. |
| 44 | * @hide |
| 45 | */ |
| 46 | public class RuntimeInit { |
Andreas Gampe | 76d4fc8 | 2017-02-07 19:44:37 -0800 | [diff] [blame] | 47 | final static String TAG = "AndroidRuntime"; |
| 48 | final static boolean DEBUG = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 49 | |
| 50 | /** true if commonInit() has been called */ |
| 51 | private static boolean initialized; |
| 52 | |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 53 | private static IBinder mApplicationObject; |
| 54 | |
| 55 | private static volatile boolean mCrashing = false; |
| 56 | |
Jeff Brown | 16f5f5c | 2012-03-15 16:53:55 -0700 | [diff] [blame] | 57 | private static final native void nativeFinishInit(); |
Jeff Brown | 4280c4a | 2012-03-15 17:48:02 -0700 | [diff] [blame] | 58 | private static final native void nativeSetExitWithoutCleanup(boolean exitWithoutCleanup); |
Jeff Brown | 16f5f5c | 2012-03-15 16:53:55 -0700 | [diff] [blame] | 59 | |
Mark Salyzyn | 69eb6f5 | 2014-04-09 07:39:15 -0700 | [diff] [blame] | 60 | private static int Clog_e(String tag, String msg, Throwable tr) { |
Andreas Gampe | d888beb | 2016-02-18 14:01:41 -0800 | [diff] [blame] | 61 | return Log.printlns(Log.LOG_ID_CRASH, Log.ERROR, tag, msg, tr); |
Mark Salyzyn | 69eb6f5 | 2014-04-09 07:39:15 -0700 | [diff] [blame] | 62 | } |
| 63 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 64 | /** |
Tobias Thierer | addbf90 | 2016-07-21 15:05:19 +0100 | [diff] [blame] | 65 | * Logs a message when a thread encounters an uncaught exception. By |
| 66 | * default, {@link KillApplicationHandler} will terminate this process later, |
| 67 | * but apps can override that behavior. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 68 | */ |
Tobias Thierer | addbf90 | 2016-07-21 15:05:19 +0100 | [diff] [blame] | 69 | private static class LoggingHandler implements Thread.UncaughtExceptionHandler { |
| 70 | @Override |
| 71 | public void uncaughtException(Thread t, Throwable e) { |
| 72 | // Don't re-enter if KillApplicationHandler has already run |
| 73 | if (mCrashing) return; |
| 74 | if (mApplicationObject == null) { |
| 75 | // The "FATAL EXCEPTION" string is still used on Android even though |
| 76 | // apps can set a custom UncaughtExceptionHandler that renders uncaught |
| 77 | // exceptions non-fatal. |
| 78 | Clog_e(TAG, "*** FATAL EXCEPTION IN SYSTEM PROCESS: " + t.getName(), e); |
| 79 | } else { |
| 80 | StringBuilder message = new StringBuilder(); |
| 81 | // The "FATAL EXCEPTION" string is still used on Android even though |
| 82 | // apps can set a custom UncaughtExceptionHandler that renders uncaught |
| 83 | // exceptions non-fatal. |
| 84 | message.append("FATAL EXCEPTION: ").append(t.getName()).append("\n"); |
| 85 | final String processName = ActivityThread.currentProcessName(); |
| 86 | if (processName != null) { |
| 87 | message.append("Process: ").append(processName).append(", "); |
| 88 | } |
| 89 | message.append("PID: ").append(Process.myPid()); |
| 90 | Clog_e(TAG, message.toString(), e); |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Handle application death from an uncaught exception. The framework |
| 97 | * catches these for the main threads, so this should only matter for |
| 98 | * threads created by applications. Before this method runs, |
| 99 | * {@link LoggingHandler} will already have logged details. |
| 100 | */ |
| 101 | private static class KillApplicationHandler implements Thread.UncaughtExceptionHandler { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 102 | public void uncaughtException(Thread t, Throwable e) { |
| 103 | try { |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 104 | // Don't re-enter -- avoid infinite loops if crash-reporting crashes. |
| 105 | if (mCrashing) return; |
| 106 | mCrashing = true; |
| 107 | |
Andreas Gampe | 4c79fea | 2016-01-28 20:11:41 -0800 | [diff] [blame] | 108 | // Try to end profiling. If a profiler is running at this point, and we kill the |
| 109 | // process (below), the in-memory buffer will be lost. So try to stop, which will |
| 110 | // flush the buffer. (This makes method trace profiling useful to debug crashes.) |
| 111 | if (ActivityThread.currentActivityThread() != null) { |
| 112 | ActivityThread.currentActivityThread().stopProfiling(); |
| 113 | } |
| 114 | |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 115 | // Bring up crash dialog, wait for it to be dismissed |
Sudheer Shanka | dc589ac | 2016-11-10 15:30:17 -0800 | [diff] [blame] | 116 | ActivityManager.getService().handleApplicationCrash( |
Sudheer Shanka | fc46e9b | 2016-10-21 17:55:27 -0700 | [diff] [blame] | 117 | mApplicationObject, new ApplicationErrorReport.ParcelableCrashInfo(e)); |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 118 | } catch (Throwable t2) { |
Jeff Sharkey | f888056 | 2016-02-26 13:03:01 -0700 | [diff] [blame] | 119 | if (t2 instanceof DeadObjectException) { |
| 120 | // System process is dead; ignore |
| 121 | } else { |
| 122 | try { |
| 123 | Clog_e(TAG, "Error reporting crash", t2); |
| 124 | } catch (Throwable t3) { |
| 125 | // Even Clog_e() fails! Oh well. |
| 126 | } |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 127 | } |
| 128 | } finally { |
| 129 | // Try everything to make sure this process goes away. |
| 130 | Process.killProcess(Process.myPid()); |
| 131 | System.exit(10); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 132 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 133 | } |
| 134 | } |
| 135 | |
Andreas Gampe | 76d4fc8 | 2017-02-07 19:44:37 -0800 | [diff] [blame] | 136 | protected static final void commonInit() { |
Jeff Brown | ebed7d6 | 2011-05-16 17:08:42 -0700 | [diff] [blame] | 137 | if (DEBUG) Slog.d(TAG, "Entered RuntimeInit!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 138 | |
Tobias Thierer | addbf90 | 2016-07-21 15:05:19 +0100 | [diff] [blame] | 139 | /* |
| 140 | * set handlers; these apply to all threads in the VM. Apps can replace |
| 141 | * the default handler, but not the pre handler. |
| 142 | */ |
| 143 | Thread.setUncaughtExceptionPreHandler(new LoggingHandler()); |
| 144 | Thread.setDefaultUncaughtExceptionHandler(new KillApplicationHandler()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 145 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 146 | /* |
| 147 | * Install a TimezoneGetter subclass for ZoneInfo.db |
| 148 | */ |
| 149 | TimezoneGetter.setInstance(new TimezoneGetter() { |
| 150 | @Override |
| 151 | public String getId() { |
| 152 | return SystemProperties.get("persist.sys.timezone"); |
| 153 | } |
| 154 | }); |
| 155 | TimeZone.setDefault(null); |
| 156 | |
| 157 | /* |
| 158 | * Sets handler for java.util.logging to use Android log facilities. |
| 159 | * The odd "new instance-and-then-throw-away" is a mirror of how |
| 160 | * the "java.util.logging.config.class" system property works. We |
| 161 | * can't use the system property here since the logger has almost |
| 162 | * certainly already been initialized. |
| 163 | */ |
| 164 | LogManager.getLogManager().reset(); |
| 165 | new AndroidConfig(); |
| 166 | |
| 167 | /* |
Jesse Wilson | d0f80d4 | 2009-09-18 18:06:43 -0700 | [diff] [blame] | 168 | * Sets the default HTTP User-Agent used by HttpURLConnection. |
| 169 | */ |
| 170 | String userAgent = getDefaultUserAgent(); |
| 171 | System.setProperty("http.agent", userAgent); |
| 172 | |
| 173 | /* |
Jesse Wilson | 8568db5 | 2011-06-28 19:06:31 -0700 | [diff] [blame] | 174 | * Wire socket tagging to traffic stats. |
| 175 | */ |
| 176 | NetworkManagementSocketTagger.install(); |
| 177 | |
| 178 | /* |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 179 | * If we're running in an emulator launched with "-trace", put the |
| 180 | * VM into emulator trace profiling mode so that the user can hit |
| 181 | * F9/F10 at any time to capture traces. This has performance |
| 182 | * consequences, so it's not something you want to do always. |
| 183 | */ |
| 184 | String trace = SystemProperties.get("ro.kernel.android.tracing"); |
| 185 | if (trace.equals("1")) { |
Dianne Hackborn | c9421ba | 2010-03-11 22:23:46 -0800 | [diff] [blame] | 186 | Slog.i(TAG, "NOTE: emulator trace profiling enabled"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 187 | Debug.enableEmulatorTraceOutput(); |
| 188 | } |
| 189 | |
| 190 | initialized = true; |
| 191 | } |
| 192 | |
| 193 | /** |
Jesse Wilson | d0f80d4 | 2009-09-18 18:06:43 -0700 | [diff] [blame] | 194 | * Returns an HTTP user agent of the form |
| 195 | * "Dalvik/1.1.0 (Linux; U; Android Eclair Build/MASTER)". |
| 196 | */ |
| 197 | private static String getDefaultUserAgent() { |
| 198 | StringBuilder result = new StringBuilder(64); |
| 199 | result.append("Dalvik/"); |
| 200 | result.append(System.getProperty("java.vm.version")); // such as 1.1.0 |
| 201 | result.append(" (Linux; U; Android "); |
| 202 | |
| 203 | String version = Build.VERSION.RELEASE; // "1.0" or "3.4b5" |
| 204 | result.append(version.length() > 0 ? version : "1.0"); |
| 205 | |
| 206 | // add the model for the release build |
| 207 | if ("REL".equals(Build.VERSION.CODENAME)) { |
| 208 | String model = Build.MODEL; |
| 209 | if (model.length() > 0) { |
| 210 | result.append("; "); |
| 211 | result.append(model); |
| 212 | } |
| 213 | } |
| 214 | String id = Build.ID; // "MASTER" or "M4-rc20" |
| 215 | if (id.length() > 0) { |
| 216 | result.append(" Build/"); |
| 217 | result.append(id); |
| 218 | } |
| 219 | result.append(")"); |
| 220 | return result.toString(); |
| 221 | } |
| 222 | |
| 223 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 224 | * Invokes a static "main(argv[]) method on class "className". |
| 225 | * Converts various failing exceptions into RuntimeExceptions, with |
| 226 | * the assumption that they will then cause the VM instance to exit. |
| 227 | * |
| 228 | * @param className Fully-qualified class name |
| 229 | * @param argv Argument vector for main() |
Narayan Kamath | 29564cd | 2014-08-07 10:57:40 +0100 | [diff] [blame] | 230 | * @param classLoader the classLoader to load {@className} with |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 231 | */ |
Narayan Kamath | ac0b4be | 2017-07-05 14:45:38 +0100 | [diff] [blame] | 232 | private static Runnable findStaticMain(String className, String[] argv, |
| 233 | ClassLoader classLoader) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 234 | Class<?> cl; |
| 235 | |
| 236 | try { |
Narayan Kamath | 29564cd | 2014-08-07 10:57:40 +0100 | [diff] [blame] | 237 | cl = Class.forName(className, true, classLoader); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 238 | } catch (ClassNotFoundException ex) { |
| 239 | throw new RuntimeException( |
| 240 | "Missing class when invoking static main " + className, |
| 241 | ex); |
| 242 | } |
| 243 | |
| 244 | Method m; |
| 245 | try { |
| 246 | m = cl.getMethod("main", new Class[] { String[].class }); |
| 247 | } catch (NoSuchMethodException ex) { |
| 248 | throw new RuntimeException( |
| 249 | "Missing static main on " + className, ex); |
| 250 | } catch (SecurityException ex) { |
| 251 | throw new RuntimeException( |
| 252 | "Problem getting static main on " + className, ex); |
| 253 | } |
| 254 | |
| 255 | int modifiers = m.getModifiers(); |
| 256 | if (! (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers))) { |
| 257 | throw new RuntimeException( |
| 258 | "Main method is not public and static on " + className); |
| 259 | } |
| 260 | |
| 261 | /* |
| 262 | * This throw gets caught in ZygoteInit.main(), which responds |
| 263 | * by invoking the exception's run() method. This arrangement |
| 264 | * clears up all the stack frames that were required in setting |
| 265 | * up the process. |
| 266 | */ |
Narayan Kamath | ac0b4be | 2017-07-05 14:45:38 +0100 | [diff] [blame] | 267 | return new MethodAndArgsCaller(m, argv); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | public static final void main(String[] argv) { |
Piotr Jastrzebski | da74a62 | 2015-02-12 13:55:23 +0000 | [diff] [blame] | 271 | enableDdms(); |
Jeff Brown | ebed7d6 | 2011-05-16 17:08:42 -0700 | [diff] [blame] | 272 | if (argv.length == 2 && argv[1].equals("application")) { |
| 273 | if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting application"); |
| 274 | redirectLogStreams(); |
| 275 | } else { |
| 276 | if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting tool"); |
| 277 | } |
| 278 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 279 | commonInit(); |
Bob Lee | e540833 | 2009-09-04 18:31:17 -0700 | [diff] [blame] | 280 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 281 | /* |
| 282 | * Now that we're running in interpreted code, call back into native code |
| 283 | * to run the system. |
| 284 | */ |
Jeff Brown | 16f5f5c | 2012-03-15 16:53:55 -0700 | [diff] [blame] | 285 | nativeFinishInit(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 286 | |
Jeff Brown | ebed7d6 | 2011-05-16 17:08:42 -0700 | [diff] [blame] | 287 | if (DEBUG) Slog.d(TAG, "Leaving RuntimeInit!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 288 | } |
Bob Lee | e540833 | 2009-09-04 18:31:17 -0700 | [diff] [blame] | 289 | |
Narayan Kamath | ac0b4be | 2017-07-05 14:45:38 +0100 | [diff] [blame] | 290 | protected static Runnable applicationInit(int targetSdkVersion, String[] argv, |
| 291 | ClassLoader classLoader) { |
Jeff Brown | 4280c4a | 2012-03-15 17:48:02 -0700 | [diff] [blame] | 292 | // If the application calls System.exit(), terminate the process |
| 293 | // immediately without running any shutdown hooks. It is not possible to |
| 294 | // shutdown an Android application gracefully. Among other things, the |
| 295 | // Android runtime shutdown hooks close the Binder driver, which can cause |
| 296 | // leftover running threads to crash before the process actually exits. |
| 297 | nativeSetExitWithoutCleanup(true); |
| 298 | |
Jeff Brown | ebed7d6 | 2011-05-16 17:08:42 -0700 | [diff] [blame] | 299 | // We want to be fairly aggressive about heap utilization, to avoid |
| 300 | // holding on to a lot of memory that isn't needed. |
| 301 | VMRuntime.getRuntime().setTargetHeapUtilization(0.75f); |
Elliott Hughes | e1dfcb7 | 2011-07-08 11:08:07 -0700 | [diff] [blame] | 302 | VMRuntime.getRuntime().setTargetSdkVersion(targetSdkVersion); |
Jeff Brown | ebed7d6 | 2011-05-16 17:08:42 -0700 | [diff] [blame] | 303 | |
Narayan Kamath | ac0b4be | 2017-07-05 14:45:38 +0100 | [diff] [blame] | 304 | final Arguments args = new Arguments(argv); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 305 | |
Narayan Kamath | fbb32f6 | 2015-06-12 15:34:35 +0100 | [diff] [blame] | 306 | // The end of of the RuntimeInit event (see #zygoteInit). |
| 307 | Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); |
| 308 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 309 | // Remaining arguments are passed to the start class's static main |
Narayan Kamath | ac0b4be | 2017-07-05 14:45:38 +0100 | [diff] [blame] | 310 | return findStaticMain(args.startClass, args.startArgs, classLoader); |
Jeff Brown | ebed7d6 | 2011-05-16 17:08:42 -0700 | [diff] [blame] | 311 | } |
Bob Lee | e540833 | 2009-09-04 18:31:17 -0700 | [diff] [blame] | 312 | |
Jeff Brown | ebed7d6 | 2011-05-16 17:08:42 -0700 | [diff] [blame] | 313 | /** |
| 314 | * Redirect System.out and System.err to the Android log. |
| 315 | */ |
| 316 | public static void redirectLogStreams() { |
| 317 | System.out.close(); |
| 318 | System.setOut(new AndroidPrintStream(Log.INFO, "System.out")); |
| 319 | System.err.close(); |
| 320 | System.setErr(new AndroidPrintStream(Log.WARN, "System.err")); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 321 | } |
| 322 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 323 | /** |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 324 | * Report a serious error in the current process. May or may not cause |
| 325 | * the process to terminate (depends on system settings). |
Bob Lee | e540833 | 2009-09-04 18:31:17 -0700 | [diff] [blame] | 326 | * |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 327 | * @param tag to record with the error |
| 328 | * @param t exception describing the error site and conditions |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 329 | */ |
Dianne Hackborn | 5232271 | 2014-08-26 22:47:26 -0700 | [diff] [blame] | 330 | public static void wtf(String tag, Throwable t, boolean system) { |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 331 | try { |
Sudheer Shanka | dc589ac | 2016-11-10 15:30:17 -0800 | [diff] [blame] | 332 | if (ActivityManager.getService().handleApplicationWtf( |
Sudheer Shanka | fc46e9b | 2016-10-21 17:55:27 -0700 | [diff] [blame] | 333 | mApplicationObject, tag, system, |
| 334 | new ApplicationErrorReport.ParcelableCrashInfo(t))) { |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 335 | // The Activity Manager has already written us off -- now exit. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 336 | Process.killProcess(Process.myPid()); |
| 337 | System.exit(10); |
| 338 | } |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 339 | } catch (Throwable t2) { |
Jeff Sharkey | f888056 | 2016-02-26 13:03:01 -0700 | [diff] [blame] | 340 | if (t2 instanceof DeadObjectException) { |
| 341 | // System process is dead; ignore |
| 342 | } else { |
| 343 | Slog.e(TAG, "Error reporting WTF", t2); |
| 344 | Slog.e(TAG, "Original WTF:", t); |
| 345 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 346 | } |
| 347 | } |
| 348 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 349 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 350 | * Set the object identifying this application/process, for reporting VM |
| 351 | * errors. |
| 352 | */ |
| 353 | public static final void setApplicationObject(IBinder app) { |
| 354 | mApplicationObject = app; |
| 355 | } |
| 356 | |
Brad Fitzpatrick | 438d059 | 2010-06-10 12:19:19 -0700 | [diff] [blame] | 357 | public static final IBinder getApplicationObject() { |
| 358 | return mApplicationObject; |
| 359 | } |
| 360 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 361 | /** |
Piotr Jastrzebski | da74a62 | 2015-02-12 13:55:23 +0000 | [diff] [blame] | 362 | * Enable DDMS. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 363 | */ |
Piotr Jastrzebski | da74a62 | 2015-02-12 13:55:23 +0000 | [diff] [blame] | 364 | static final void enableDdms() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 365 | // Register handlers for DDM messages. |
| 366 | android.ddm.DdmRegister.registerHandlers(); |
| 367 | } |
Jeff Brown | ebed7d6 | 2011-05-16 17:08:42 -0700 | [diff] [blame] | 368 | |
| 369 | /** |
| 370 | * Handles argument parsing for args related to the runtime. |
| 371 | * |
| 372 | * Current recognized args: |
| 373 | * <ul> |
| 374 | * <li> <code> [--] <start class name> <args> |
| 375 | * </ul> |
| 376 | */ |
| 377 | static class Arguments { |
| 378 | /** first non-option argument */ |
| 379 | String startClass; |
| 380 | |
| 381 | /** all following arguments */ |
| 382 | String[] startArgs; |
| 383 | |
| 384 | /** |
| 385 | * Constructs instance and parses args |
| 386 | * @param args runtime command-line args |
| 387 | * @throws IllegalArgumentException |
| 388 | */ |
| 389 | Arguments(String args[]) throws IllegalArgumentException { |
| 390 | parseArgs(args); |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * Parses the commandline arguments intended for the Runtime. |
| 395 | */ |
| 396 | private void parseArgs(String args[]) |
| 397 | throws IllegalArgumentException { |
| 398 | int curArg = 0; |
| 399 | for (; curArg < args.length; curArg++) { |
| 400 | String arg = args[curArg]; |
| 401 | |
| 402 | if (arg.equals("--")) { |
| 403 | curArg++; |
| 404 | break; |
| 405 | } else if (!arg.startsWith("--")) { |
| 406 | break; |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | if (curArg == args.length) { |
| 411 | throw new IllegalArgumentException("Missing classname argument to RuntimeInit!"); |
| 412 | } |
| 413 | |
| 414 | startClass = args[curArg++]; |
| 415 | startArgs = new String[args.length - curArg]; |
| 416 | System.arraycopy(args, curArg, startArgs, 0, startArgs.length); |
| 417 | } |
| 418 | } |
Narayan Kamath | ac0b4be | 2017-07-05 14:45:38 +0100 | [diff] [blame] | 419 | |
| 420 | /** |
| 421 | * Helper class which holds a method and arguments and can call them. This is used as part of |
| 422 | * a trampoline to get rid of the initial process setup stack frames. |
| 423 | */ |
| 424 | static class MethodAndArgsCaller implements Runnable { |
| 425 | /** method to call */ |
| 426 | private final Method mMethod; |
| 427 | |
| 428 | /** argument array */ |
| 429 | private final String[] mArgs; |
| 430 | |
| 431 | public MethodAndArgsCaller(Method method, String[] args) { |
| 432 | mMethod = method; |
| 433 | mArgs = args; |
| 434 | } |
| 435 | |
| 436 | public void run() { |
| 437 | try { |
| 438 | mMethod.invoke(null, new Object[] { mArgs }); |
| 439 | } catch (IllegalAccessException ex) { |
| 440 | throw new RuntimeException(ex); |
| 441 | } catch (InvocationTargetException ex) { |
| 442 | Throwable cause = ex.getCause(); |
| 443 | if (cause instanceof RuntimeException) { |
| 444 | throw (RuntimeException) cause; |
| 445 | } else if (cause instanceof Error) { |
| 446 | throw (Error) cause; |
| 447 | } |
| 448 | throw new RuntimeException(ex); |
| 449 | } |
| 450 | } |
| 451 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 452 | } |