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 #define LOG_TAG "AndroidRuntime" 18 //#define LOG_NDEBUG 0 19 20 #include <android_runtime/AndroidRuntime.h> 21 #include <binder/IBinder.h> 22 #include <binder/IPCThreadState.h> 23 #include <binder/IServiceManager.h> 24 #include <utils/Log.h> 25 #include <utils/misc.h> 26 #include <binder/Parcel.h> 27 #include <utils/threads.h> 28 #include <cutils/properties.h> 29 30 #include <SkGraphics.h> 31 #include <SkImageDecoder.h> 32 33 #include "jni.h" 34 #include "JNIHelp.h" 35 #include "JniInvocation.h" 36 #include "android_util_Binder.h" 37 38 #include <stdio.h> 39 #include <signal.h> 40 #include <sys/stat.h> 41 #include <sys/types.h> 42 #include <signal.h> 43 #include <dirent.h> 44 #include <assert.h> 45 46 47 using namespace android; 48 49 extern int register_android_os_Binder(JNIEnv* env); 50 extern int register_android_os_Process(JNIEnv* env); 51 extern int register_android_graphics_Bitmap(JNIEnv*); 52 extern int register_android_graphics_BitmapFactory(JNIEnv*); 53 extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*); 54 extern int register_android_graphics_Camera(JNIEnv* env); 55 extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env); 56 extern int register_android_graphics_Graphics(JNIEnv* env); 57 extern int register_android_graphics_Interpolator(JNIEnv* env); 58 extern int register_android_graphics_MaskFilter(JNIEnv* env); 59 extern int register_android_graphics_Movie(JNIEnv* env); 60 extern int register_android_graphics_NinePatch(JNIEnv*); 61 extern int register_android_graphics_PathEffect(JNIEnv* env); 62 extern int register_android_graphics_Shader(JNIEnv* env); 63 extern int register_android_graphics_Typeface(JNIEnv* env); 64 extern int register_android_graphics_YuvImage(JNIEnv* env); 65 66 extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 67 extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 68 extern int register_android_opengl_jni_EGL14(JNIEnv* env); 69 extern int register_android_opengl_jni_EGLExt(JNIEnv* env); 70 extern int register_android_opengl_jni_GLES10(JNIEnv* env); 71 extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 72 extern int register_android_opengl_jni_GLES11(JNIEnv* env); 73 extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 74 extern int register_android_opengl_jni_GLES20(JNIEnv* env); 75 extern int register_android_opengl_jni_GLES30(JNIEnv* env); 76 extern int register_android_opengl_jni_GLES31(JNIEnv* env); 77 extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env); 78 79 extern int register_android_hardware_Camera(JNIEnv *env); 80 extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env); 81 extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env); 82 extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env); 83 extern int register_android_hardware_camera2_DngCreator(JNIEnv *env); 84 extern int register_android_hardware_SensorManager(JNIEnv *env); 85 extern int register_android_hardware_SerialPort(JNIEnv *env); 86 extern int register_android_hardware_SoundTrigger(JNIEnv *env); 87 extern int register_android_hardware_UsbDevice(JNIEnv *env); 88 extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env); 89 extern int register_android_hardware_UsbRequest(JNIEnv *env); 90 extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env); 91 92 extern int register_android_media_AudioRecord(JNIEnv *env); 93 extern int register_android_media_AudioSystem(JNIEnv *env); 94 extern int register_android_media_AudioTrack(JNIEnv *env); 95 extern int register_android_media_JetPlayer(JNIEnv *env); 96 extern int register_android_media_ToneGenerator(JNIEnv *env); 97 98 extern int register_android_util_FloatMath(JNIEnv* env); 99 100 namespace android { 101 102 /* 103 * JNI-based registration functions. Note these are properly contained in 104 * namespace android. 105 */ 106 extern int register_android_content_AssetManager(JNIEnv* env); 107 extern int register_android_util_EventLog(JNIEnv* env); 108 extern int register_android_util_Log(JNIEnv* env); 109 extern int register_android_content_StringBlock(JNIEnv* env); 110 extern int register_android_content_XmlBlock(JNIEnv* env); 111 extern int register_android_emoji_EmojiFactory(JNIEnv* env); 112 extern int register_android_graphics_Canvas(JNIEnv* env); 113 extern int register_android_graphics_CanvasProperty(JNIEnv* env); 114 extern int register_android_graphics_ColorFilter(JNIEnv* env); 115 extern int register_android_graphics_DrawFilter(JNIEnv* env); 116 extern int register_android_graphics_FontFamily(JNIEnv* env); 117 extern int register_android_graphics_LayerRasterizer(JNIEnv*); 118 extern int register_android_graphics_Matrix(JNIEnv* env); 119 extern int register_android_graphics_Paint(JNIEnv* env); 120 extern int register_android_graphics_Path(JNIEnv* env); 121 extern int register_android_graphics_PathMeasure(JNIEnv* env); 122 extern int register_android_graphics_Picture(JNIEnv*); 123 extern int register_android_graphics_PorterDuff(JNIEnv* env); 124 extern int register_android_graphics_Rasterizer(JNIEnv* env); 125 extern int register_android_graphics_Region(JNIEnv* env); 126 extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 127 extern int register_android_graphics_Xfermode(JNIEnv* env); 128 extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env); 129 extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env); 130 extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env); 131 extern int register_android_view_DisplayEventReceiver(JNIEnv* env); 132 extern int register_android_view_RenderNode(JNIEnv* env); 133 extern int register_android_view_RenderNodeAnimator(JNIEnv* env); 134 extern int register_android_view_GraphicBuffer(JNIEnv* env); 135 extern int register_android_view_GLES20Canvas(JNIEnv* env); 136 extern int register_android_view_HardwareLayer(JNIEnv* env); 137 extern int register_android_view_ThreadedRenderer(JNIEnv* env); 138 extern int register_android_view_Surface(JNIEnv* env); 139 extern int register_android_view_SurfaceControl(JNIEnv* env); 140 extern int register_android_view_SurfaceSession(JNIEnv* env); 141 extern int register_android_view_TextureView(JNIEnv* env); 142 extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env); 143 extern int register_android_database_CursorWindow(JNIEnv* env); 144 extern int register_android_database_SQLiteConnection(JNIEnv* env); 145 extern int register_android_database_SQLiteGlobal(JNIEnv* env); 146 extern int register_android_database_SQLiteDebug(JNIEnv* env); 147 extern int register_android_nio_utils(JNIEnv* env); 148 extern int register_android_os_Debug(JNIEnv* env); 149 extern int register_android_os_MessageQueue(JNIEnv* env); 150 extern int register_android_os_Parcel(JNIEnv* env); 151 extern int register_android_os_SELinux(JNIEnv* env); 152 extern int register_android_os_SystemProperties(JNIEnv *env); 153 extern int register_android_os_SystemClock(JNIEnv* env); 154 extern int register_android_os_Trace(JNIEnv* env); 155 extern int register_android_os_FileObserver(JNIEnv *env); 156 extern int register_android_os_UEventObserver(JNIEnv* env); 157 extern int register_android_os_MemoryFile(JNIEnv* env); 158 extern int register_android_net_LocalSocketImpl(JNIEnv* env); 159 extern int register_android_net_NetworkUtils(JNIEnv* env); 160 extern int register_android_net_TrafficStats(JNIEnv* env); 161 extern int register_android_text_AndroidCharacter(JNIEnv *env); 162 extern int register_android_text_StaticLayout(JNIEnv *env); 163 extern int register_android_text_AndroidBidi(JNIEnv *env); 164 extern int register_android_opengl_classes(JNIEnv *env); 165 extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 166 extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env); 167 extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 168 extern int register_android_backup_BackupDataInput(JNIEnv *env); 169 extern int register_android_backup_BackupDataOutput(JNIEnv *env); 170 extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 171 extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 172 extern int register_android_app_backup_FullBackup(JNIEnv *env); 173 extern int register_android_app_ActivityThread(JNIEnv *env); 174 extern int register_android_app_NativeActivity(JNIEnv *env); 175 extern int register_android_media_RemoteDisplay(JNIEnv *env); 176 extern int register_android_view_InputChannel(JNIEnv* env); 177 extern int register_android_view_InputDevice(JNIEnv* env); 178 extern int register_android_view_InputEventReceiver(JNIEnv* env); 179 extern int register_android_view_InputEventSender(JNIEnv* env); 180 extern int register_android_view_InputQueue(JNIEnv* env); 181 extern int register_android_view_KeyCharacterMap(JNIEnv *env); 182 extern int register_android_view_KeyEvent(JNIEnv* env); 183 extern int register_android_view_MotionEvent(JNIEnv* env); 184 extern int register_android_view_PointerIcon(JNIEnv* env); 185 extern int register_android_view_VelocityTracker(JNIEnv* env); 186 extern int register_android_content_res_ObbScanner(JNIEnv* env); 187 extern int register_android_content_res_Configuration(JNIEnv* env); 188 extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 189 extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 190 extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env); 191 extern int register_com_android_internal_os_Zygote(JNIEnv *env); 192 extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env); 193 194 static AndroidRuntime* gCurRuntime = NULL; 195 196 static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 197 { 198 if (jniThrowException(env, exc, msg) != 0) 199 assert(false); 200 } 201 202 /* 203 * Code written in the Java Programming Language calls here from main(). 204 */ 205 static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 206 { 207 gCurRuntime->onStarted(); 208 } 209 210 static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 211 { 212 gCurRuntime->onZygoteInit(); 213 } 214 215 static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 216 jobject clazz, jboolean exitWithoutCleanup) 217 { 218 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 219 } 220 221 /* 222 * JNI registration. 223 */ 224 static JNINativeMethod gMethods[] = { 225 { "nativeFinishInit", "()V", 226 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 227 { "nativeZygoteInit", "()V", 228 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 229 { "nativeSetExitWithoutCleanup", "(Z)V", 230 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 231 }; 232 233 int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 234 { 235 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 236 gMethods, NELEM(gMethods)); 237 } 238 239 // ---------------------------------------------------------------------- 240 241 /*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 242 243 AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) : 244 mExitWithoutCleanup(false), 245 mArgBlockStart(argBlockStart), 246 mArgBlockLength(argBlockLength) 247 { 248 SkGraphics::Init(); 249 // There is also a global font cache, but its budget is specified in code 250 // see SkFontHost_android.cpp 251 252 // Pre-allocate enough space to hold a fair number of options. 253 mOptions.setCapacity(20); 254 255 assert(gCurRuntime == NULL); // one per process 256 gCurRuntime = this; 257 } 258 259 AndroidRuntime::~AndroidRuntime() 260 { 261 SkGraphics::Term(); 262 } 263 264 /* 265 * Register native methods using JNI. 266 */ 267 /*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 268 const char* className, const JNINativeMethod* gMethods, int numMethods) 269 { 270 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 271 } 272 273 void AndroidRuntime::setArgv0(const char* argv0) { 274 memset(mArgBlockStart, 0, mArgBlockLength); 275 strlcpy(mArgBlockStart, argv0, mArgBlockLength); 276 } 277 278 status_t AndroidRuntime::callMain(const String8& className, jclass clazz, 279 const Vector<String8>& args) 280 { 281 JNIEnv* env; 282 jmethodID methodId; 283 284 ALOGD("Calling main entry %s", className.string()); 285 286 env = getJNIEnv(); 287 if (clazz == NULL || env == NULL) { 288 return UNKNOWN_ERROR; 289 } 290 291 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 292 if (methodId == NULL) { 293 ALOGE("ERROR: could not find method %s.main(String[])\n", className.string()); 294 return UNKNOWN_ERROR; 295 } 296 297 /* 298 * We want to call main() with a String array with our arguments in it. 299 * Create an array and populate it. 300 */ 301 jclass stringClass; 302 jobjectArray strArray; 303 304 const size_t numArgs = args.size(); 305 stringClass = env->FindClass("java/lang/String"); 306 strArray = env->NewObjectArray(numArgs, stringClass, NULL); 307 308 for (size_t i = 0; i < numArgs; i++) { 309 jstring argStr = env->NewStringUTF(args[i].string()); 310 env->SetObjectArrayElement(strArray, i, argStr); 311 } 312 313 env->CallStaticVoidMethod(clazz, methodId, strArray); 314 return NO_ERROR; 315 } 316 317 /* 318 * The VM calls this through the "exit" hook. 319 */ 320 static void runtime_exit(int code) 321 { 322 gCurRuntime->exit(code); 323 } 324 325 /* 326 * The VM calls this through the "vfprintf" hook. 327 * 328 * We ignore "fp" and just write the results to the log file. 329 */ 330 static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 331 { 332 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 333 } 334 335 /** 336 * The VM calls this when mutex contention debugging is enabled to 337 * determine whether or not the blocked thread was a "sensitive thread" 338 * for user responsiveness/smoothess. 339 * 340 * Our policy for this is whether or not we're tracing any StrictMode 341 * events on this thread (which we might've inherited via Binder calls 342 * into us) 343 */ 344 static bool runtime_isSensitiveThread() { 345 IPCThreadState* state = IPCThreadState::selfOrNull(); 346 return state && state->getStrictModePolicy() != 0; 347 } 348 349 static int hasDir(const char* dir) 350 { 351 struct stat s; 352 int res = stat(dir, &s); 353 if (res == 0) { 354 return S_ISDIR(s.st_mode); 355 } 356 return 0; 357 } 358 359 /* 360 * Read the persistent locale. 361 */ 362 static void readLocale(char* language, char* region) 363 { 364 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 365 366 property_get("persist.sys.language", propLang, ""); 367 property_get("persist.sys.country", propRegn, ""); 368 if (*propLang == 0 && *propRegn == 0) { 369 /* Set to ro properties, default is en_US */ 370 property_get("ro.product.locale.language", propLang, "en"); 371 property_get("ro.product.locale.region", propRegn, "US"); 372 } 373 strncat(language, propLang, 3); 374 strncat(region, propRegn, 3); 375 //ALOGD("language=%s region=%s\n", language, region); 376 } 377 378 void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 379 { 380 JavaVMOption opt; 381 opt.optionString = optionString; 382 opt.extraInfo = extraInfo; 383 mOptions.add(opt); 384 } 385 386 /* 387 * Parse a property containing space-separated options that should be 388 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 389 * 390 * This will cut up "extraOptsBuf" as we chop it into individual options. 391 * 392 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 393 * 394 * Adds the strings, if any, to mOptions. 395 */ 396 void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 397 { 398 char* start = extraOptsBuf; 399 char* end = NULL; 400 while (*start != '\0') { 401 while (*start == ' ') /* skip leading whitespace */ 402 start++; 403 if (*start == '\0') /* was trailing ws, bail */ 404 break; 405 406 end = start+1; 407 while (*end != ' ' && *end != '\0') /* find end of token */ 408 end++; 409 if (*end == ' ') 410 *end++ = '\0'; /* mark end, advance to indicate more */ 411 412 if (quotingArg != NULL) { 413 addOption(quotingArg); 414 } 415 addOption(start); 416 start = end; 417 } 418 } 419 420 /* 421 * Reads a "property" into "buffer" with a default of "defaultArg". If 422 * the property is non-empty, it is treated as a runtime option such 423 * as "-Xmx32m". 424 * 425 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 426 * 427 * If an argument is found, it is added to mOptions. 428 * 429 * If an option is found, it is added to mOptions and true is 430 * returned. Otherwise false is returned. 431 */ 432 bool AndroidRuntime::parseRuntimeOption(const char* property, 433 char* buffer, 434 const char* runtimeArg, 435 const char* defaultArg) 436 { 437 strcpy(buffer, runtimeArg); 438 size_t runtimeArgLen = strlen(runtimeArg); 439 property_get(property, buffer+runtimeArgLen, defaultArg); 440 if (buffer[runtimeArgLen] == '\0') { 441 return false; 442 } 443 addOption(buffer); 444 return true; 445 } 446 447 /* 448 * Reads a "property" into "buffer". If the property is non-empty, it 449 * is treated as a dex2oat compiler option that should be 450 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 451 * 452 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 453 * 454 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 455 * 456 * If an option is found, it is added to mOptions and true is 457 * returned. Otherwise false is returned. 458 */ 459 bool AndroidRuntime::parseCompilerOption(const char* property, 460 char* buffer, 461 const char* compilerArg, 462 const char* quotingArg) 463 { 464 strcpy(buffer, compilerArg); 465 size_t compilerArgLen = strlen(compilerArg); 466 property_get(property, buffer+compilerArgLen, ""); 467 if (buffer[compilerArgLen] == '\0') { 468 return false; 469 } 470 addOption(quotingArg); 471 addOption(buffer); 472 return true; 473 } 474 475 /* 476 * Reads a "property" into "buffer". If the property is non-empty, it 477 * is treated as a dex2oat compiler runtime option that should be 478 * passed as a quoted option, e.g. "-Ximage-compiler-option 479 * --runtime-arg -Ximage-compiler-option -Xmx32m". 480 * 481 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 482 * 483 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 484 * 485 * If an option is found, it is added to mOptions and true is 486 * returned. Otherwise false is returned. 487 */ 488 bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 489 char* buffer, 490 const char* runtimeArg, 491 const char* quotingArg) 492 { 493 strcpy(buffer, runtimeArg); 494 size_t runtimeArgLen = strlen(runtimeArg); 495 property_get(property, buffer+runtimeArgLen, ""); 496 if (buffer[runtimeArgLen] == '\0') { 497 return false; 498 } 499 addOption(quotingArg); 500 addOption("--runtime-arg"); 501 addOption(quotingArg); 502 addOption(buffer); 503 return true; 504 } 505 506 /* 507 * Start the Dalvik Virtual Machine. 508 * 509 * Various arguments, most determined by system properties, are passed in. 510 * The "mOptions" vector is updated. 511 * 512 * CAUTION: when adding options in here, be careful not to put the 513 * char buffer inside a nested scope. Adding the buffer to the 514 * options using mOptions.add() does not copy the buffer, so if the 515 * buffer goes out of scope the option may be overwritten. It's best 516 * to put the buffer at the top of the function so that it is more 517 * unlikely that someone will surround it in a scope at a later time 518 * and thus introduce a bug. 519 * 520 * Returns 0 on success. 521 */ 522 int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 523 { 524 int result = -1; 525 JavaVMInitArgs initArgs; 526 char propBuf[PROPERTY_VALUE_MAX]; 527 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 528 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 529 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 530 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 531 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 532 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 533 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 534 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 535 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 536 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 537 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 538 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 539 char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX]; 540 char dalvikVmLibBuf[PROPERTY_VALUE_MAX]; 541 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 542 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 543 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 544 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 545 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 546 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 547 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 548 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 549 char extraOptsBuf[PROPERTY_VALUE_MAX]; 550 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 551 enum { 552 kEMDefault, 553 kEMIntPortable, 554 kEMIntFast, 555 kEMJitCompiler, 556 } executionMode = kEMDefault; 557 char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX]; 558 char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX]; 559 char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX]; 560 char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX]; 561 char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX]; 562 char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 + 563 PROPERTY_VALUE_MAX]; 564 char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX]; 565 char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX]; 566 char langOption[sizeof("-Duser.language=") + 3]; 567 char regionOption[sizeof("-Duser.region=") + 3]; 568 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 569 char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX]; 570 char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX]; 571 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 572 573 bool checkJni = false; 574 property_get("dalvik.vm.checkjni", propBuf, ""); 575 if (strcmp(propBuf, "true") == 0) { 576 checkJni = true; 577 } else if (strcmp(propBuf, "false") != 0) { 578 /* property is neither true nor false; fall back on kernel parameter */ 579 property_get("ro.kernel.android.checkjni", propBuf, ""); 580 if (propBuf[0] == '1') { 581 checkJni = true; 582 } 583 } 584 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 585 if (checkJni) { 586 /* extended JNI checking */ 587 addOption("-Xcheck:jni"); 588 589 /* set a cap on JNI global references */ 590 addOption("-Xjnigreflimit:2000"); 591 592 /* with -Xcheck:jni, this provides a JNI function call trace */ 593 //addOption("-verbose:jni"); 594 } 595 596 property_get("dalvik.vm.execution-mode", propBuf, ""); 597 if (strcmp(propBuf, "int:portable") == 0) { 598 executionMode = kEMIntPortable; 599 } else if (strcmp(propBuf, "int:fast") == 0) { 600 executionMode = kEMIntFast; 601 } else if (strcmp(propBuf, "int:jit") == 0) { 602 executionMode = kEMJitCompiler; 603 } 604 605 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 606 607 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 608 if (strcmp(propBuf, "true") == 0) { 609 /* perform additional DEX checksum tests */ 610 addOption("-Xcheckdexsum"); 611 } 612 613 property_get("log.redirect-stdio", propBuf, ""); 614 if (strcmp(propBuf, "true") == 0) { 615 /* convert stdout/stderr to log messages */ 616 addOption("-Xlog-stdio"); 617 } 618 619 strcpy(enableAssertBuf, "-ea:"); 620 property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, ""); 621 if (enableAssertBuf[sizeof("-ea:")-1] != '\0') { 622 /* accept "all" to mean "all classes and packages" */ 623 if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0) 624 enableAssertBuf[3] = '\0'; // truncate to "-ea" 625 ALOGI("Assertions enabled: '%s'\n", enableAssertBuf); 626 addOption(enableAssertBuf); 627 } else { 628 ALOGV("Assertions disabled\n"); 629 } 630 631 strcpy(jniOptsBuf, "-Xjniopts:"); 632 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 633 ALOGI("JNI options: '%s'\n", jniOptsBuf); 634 } 635 636 /* route exit() to our handler */ 637 addOption("exit", (void*) runtime_exit); 638 639 /* route fprintf() to our handler */ 640 addOption("vfprintf", (void*) runtime_vfprintf); 641 642 /* register the framework-specific "is sensitive thread" hook */ 643 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 644 645 /* enable verbose; standard options are { jni, gc, class } */ 646 //addOption("-verbose:jni"); 647 addOption("-verbose:gc"); 648 //addOption("-verbose:class"); 649 650 /* 651 * The default starting and maximum size of the heap. Larger 652 * values should be specified in a product property override. 653 */ 654 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 655 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 656 657 // Increase the main thread's interpreter stack size for bug 6315322. 658 addOption("-XX:mainThreadStackSize=24K"); 659 660 // Set the max jit code cache size. Note: size of 0 will disable the JIT. 661 parseRuntimeOption("dalvik.vm.jit.codecachesize", 662 jitcodecachesizeOptsBuf, 663 "-Xjitcodecachesize:"); 664 665 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 666 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 667 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 668 parseRuntimeOption("dalvik.vm.heaptargetutilization", 669 heaptargetutilizationOptsBuf, 670 "-XX:HeapTargetUtilization="); 671 672 property_get("ro.config.low_ram", propBuf, ""); 673 if (strcmp(propBuf, "true") == 0) { 674 addOption("-XX:LowMemoryMode"); 675 } 676 677 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 678 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 679 680 /* 681 * Enable or disable dexopt features, such as bytecode verification and 682 * calculation of register maps for precise GC. 683 */ 684 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 685 if (dexoptFlagsBuf[0] != '\0') { 686 const char* opc; 687 const char* val; 688 689 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 690 if (opc != NULL) { 691 switch (*(opc+2)) { 692 case 'n': val = "-Xverify:none"; break; 693 case 'r': val = "-Xverify:remote"; break; 694 case 'a': val = "-Xverify:all"; break; 695 default: val = NULL; break; 696 } 697 698 if (val != NULL) { 699 addOption(val); 700 } 701 } 702 703 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 704 if (opc != NULL) { 705 switch (*(opc+2)) { 706 case 'n': val = "-Xdexopt:none"; break; 707 case 'v': val = "-Xdexopt:verified"; break; 708 case 'a': val = "-Xdexopt:all"; break; 709 case 'f': val = "-Xdexopt:full"; break; 710 default: val = NULL; break; 711 } 712 713 if (val != NULL) { 714 addOption(val); 715 } 716 } 717 718 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 719 if (opc != NULL) { 720 addOption("-Xgenregmap"); 721 722 /* turn on precise GC while we're at it */ 723 addOption("-Xgc:precise"); 724 } 725 } 726 727 /* enable debugging; set suspend=y to pause during VM init */ 728 /* use android ADB transport */ 729 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 730 731 parseRuntimeOption("dalvik.vm.lockprof.threshold", 732 lockProfThresholdBuf, 733 "-Xlockprofthreshold:"); 734 735 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 736 parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:"); 737 738 /* Force interpreter-only mode for selected methods */ 739 parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:"); 740 741 if (executionMode == kEMIntPortable) { 742 addOption("-Xint:portable"); 743 } else if (executionMode == kEMIntFast) { 744 addOption("-Xint:fast"); 745 } else if (executionMode == kEMJitCompiler) { 746 addOption("-Xint:jit"); 747 } 748 749 // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart. 750 property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so"); 751 bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0); 752 753 if (libart) { 754 // If we booting without the real /data, don't spend time compiling. 755 property_get("vold.decrypt", voldDecryptBuf, ""); 756 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 757 (strcmp(voldDecryptBuf, "1") == 0)); 758 759 // Extra options for boot.art/boot.oat image generation. 760 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 761 "-Xms", "-Ximage-compiler-option"); 762 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 763 "-Xmx", "-Ximage-compiler-option"); 764 if (skip_compilation) { 765 addOption("-Ximage-compiler-option"); 766 addOption("--compiler-filter=verify-none"); 767 } else { 768 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 769 "--compiler-filter=", "-Ximage-compiler-option"); 770 } 771 addOption("-Ximage-compiler-option"); 772 addOption("--image-classes-zip=/system/framework/framework.jar"); 773 addOption("-Ximage-compiler-option"); 774 addOption("--image-classes=preloaded-classes"); 775 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 776 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 777 778 // Extra options for DexClassLoader. 779 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 780 "-Xms", "-Xcompiler-option"); 781 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 782 "-Xmx", "-Xcompiler-option"); 783 if (skip_compilation) { 784 addOption("-Xcompiler-option"); 785 addOption("--compiler-filter=verify-none"); 786 } else { 787 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 788 "--compiler-filter=", "-Xcompiler-option"); 789 } 790 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 791 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 792 793 } 794 795 /* extra options; parse this late so it overrides others */ 796 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 797 parseExtraOpts(extraOptsBuf, NULL); 798 799 /* Set the properties for locale */ 800 { 801 strcpy(langOption, "-Duser.language="); 802 strcpy(regionOption, "-Duser.region="); 803 readLocale(langOption, regionOption); 804 addOption(langOption); 805 addOption(regionOption); 806 } 807 808 /* 809 * Set profiler options 810 */ 811 if (libart) { 812 // Whether or not the profiler should be enabled. 813 property_get("dalvik.vm.profiler", propBuf, "0"); 814 if (propBuf[0] == '1') { 815 addOption("-Xenable-profiler"); 816 } 817 818 // Whether the profile should start upon app startup or be delayed by some random offset 819 // (in seconds) that is bound between 0 and a fixed value. 820 property_get("dalvik.vm.profile.start-immed", propBuf, "0"); 821 if (propBuf[0] == '1') { 822 addOption("-Xprofile-start-immediately"); 823 } 824 825 // Number of seconds during profile runs. 826 parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:"); 827 828 // Length of each profile run (seconds). 829 parseRuntimeOption("dalvik.vm.profile.duration-secs", 830 profileDuration, 831 "-Xprofile-duration:"); 832 833 // Polling interval during profile run (microseconds). 834 parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:"); 835 836 // Coefficient for period backoff. The the period is multiplied 837 // by this value after each profile run. 838 parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:"); 839 840 // Top K% of samples that are considered relevant when 841 // deciding if the app should be recompiled. 842 parseRuntimeOption("dalvik.vm.profile.top-k-thr", 843 profileTopKThreshold, 844 "-Xprofile-top-k-threshold:"); 845 846 // The threshold after which a change in the structure of the 847 // top K% profiled samples becomes significant and triggers 848 // recompilation. A change in profile is considered 849 // significant if X% (top-k-change-threshold) of the top K% 850 // (top-k-threshold property) samples has changed. 851 parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr", 852 profileTopKChangeThreshold, 853 "-Xprofile-top-k-change-threshold:"); 854 855 // Type of profile data. 856 parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:"); 857 858 // Depth of bounded stack data 859 parseRuntimeOption("dalvik.vm.profile.max-stack-depth", 860 profileMaxStackDepth, 861 "-Xprofile-max-stack-depth:"); 862 863 // Native bridge library. "0" means that native bridge is disabled. 864 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 865 if (propBuf[0] == '\0') { 866 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 867 } else if (strcmp(propBuf, "0") != 0) { 868 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 869 "-XX:NativeBridge=%s", propBuf); 870 addOption(nativeBridgeLibrary); 871 } 872 } 873 874 initArgs.version = JNI_VERSION_1_4; 875 initArgs.options = mOptions.editArray(); 876 initArgs.nOptions = mOptions.size(); 877 initArgs.ignoreUnrecognized = JNI_FALSE; 878 879 /* 880 * Initialize the VM. 881 * 882 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 883 * If this call succeeds, the VM is ready, and we can start issuing 884 * JNI calls. 885 */ 886 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 887 ALOGE("JNI_CreateJavaVM failed\n"); 888 goto bail; 889 } 890 891 result = 0; 892 893 bail: 894 return result; 895 } 896 897 char* AndroidRuntime::toSlashClassName(const char* className) 898 { 899 char* result = strdup(className); 900 for (char* cp = result; *cp != '\0'; cp++) { 901 if (*cp == '.') { 902 *cp = '/'; 903 } 904 } 905 return result; 906 } 907 908 /** Create a Java string from an ASCII or Latin-1 string */ 909 jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) { 910 if (!bytes) return NULL; 911 int length = strlen(bytes); 912 jchar* buffer = (jchar *)alloca(length * sizeof(jchar)); 913 if (!buffer) return NULL; 914 jchar* chp = buffer; 915 for (int i = 0; i < length; i++) { 916 *chp++ = *bytes++; 917 } 918 return env->NewString(buffer, length); 919 } 920 921 922 /* 923 * Start the Android runtime. This involves starting the virtual machine 924 * and calling the "static void main(String[] args)" method in the class 925 * named by "className". 926 * 927 * Passes the main function two arguments, the class name and the specified 928 * options string. 929 */ 930 void AndroidRuntime::start(const char* className, const Vector<String8>& options) 931 { 932 ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 933 className != NULL ? className : "(unknown)"); 934 935 static const String8 startSystemServer("start-system-server"); 936 937 /* 938 * 'startSystemServer == true' means runtime is obsolete and not run from 939 * init.rc anymore, so we print out the boot start event here. 940 */ 941 for (size_t i = 0; i < options.size(); ++i) { 942 if (options[i] == startSystemServer) { 943 /* track our progress through the boot sequence */ 944 const int LOG_BOOT_PROGRESS_START = 3000; 945 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 946 } 947 } 948 949 const char* rootDir = getenv("ANDROID_ROOT"); 950 if (rootDir == NULL) { 951 rootDir = "/system"; 952 if (!hasDir("/system")) { 953 LOG_FATAL("No root directory specified, and /android does not exist."); 954 return; 955 } 956 setenv("ANDROID_ROOT", rootDir, 1); 957 } 958 959 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 960 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 961 962 /* start the virtual machine */ 963 JniInvocation jni_invocation; 964 jni_invocation.Init(NULL); 965 JNIEnv* env; 966 if (startVm(&mJavaVM, &env) != 0) { 967 return; 968 } 969 onVmCreated(env); 970 971 /* 972 * Register android functions. 973 */ 974 if (startReg(env) < 0) { 975 ALOGE("Unable to register all android natives\n"); 976 return; 977 } 978 979 /* 980 * We want to call main() with a String array with arguments in it. 981 * At present we have two arguments, the class name and an option string. 982 * Create an array to hold them. 983 */ 984 jclass stringClass; 985 jobjectArray strArray; 986 jstring classNameStr; 987 988 stringClass = env->FindClass("java/lang/String"); 989 assert(stringClass != NULL); 990 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 991 assert(strArray != NULL); 992 classNameStr = env->NewStringUTF(className); 993 assert(classNameStr != NULL); 994 env->SetObjectArrayElement(strArray, 0, classNameStr); 995 996 for (size_t i = 0; i < options.size(); ++i) { 997 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 998 assert(optionsStr != NULL); 999 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 1000 } 1001 1002 /* 1003 * Start VM. This thread becomes the main thread of the VM, and will 1004 * not return until the VM exits. 1005 */ 1006 char* slashClassName = toSlashClassName(className); 1007 jclass startClass = env->FindClass(slashClassName); 1008 if (startClass == NULL) { 1009 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1010 /* keep going */ 1011 } else { 1012 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1013 "([Ljava/lang/String;)V"); 1014 if (startMeth == NULL) { 1015 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1016 /* keep going */ 1017 } else { 1018 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1019 1020 #if 0 1021 if (env->ExceptionCheck()) 1022 threadExitUncaughtException(env); 1023 #endif 1024 } 1025 } 1026 free(slashClassName); 1027 1028 ALOGD("Shutting down VM\n"); 1029 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1030 ALOGW("Warning: unable to detach main thread\n"); 1031 if (mJavaVM->DestroyJavaVM() != 0) 1032 ALOGW("Warning: VM did not shut down cleanly\n"); 1033 } 1034 1035 void AndroidRuntime::exit(int code) 1036 { 1037 if (mExitWithoutCleanup) { 1038 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1039 ::_exit(code); 1040 } else { 1041 ALOGI("VM exiting with result code %d.", code); 1042 onExit(code); 1043 ::exit(code); 1044 } 1045 } 1046 1047 void AndroidRuntime::onVmCreated(JNIEnv* env) 1048 { 1049 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1050 } 1051 1052 /* 1053 * Get the JNIEnv pointer for this thread. 1054 * 1055 * Returns NULL if the slot wasn't allocated or populated. 1056 */ 1057 /*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1058 { 1059 JNIEnv* env; 1060 JavaVM* vm = AndroidRuntime::getJavaVM(); 1061 assert(vm != NULL); 1062 1063 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1064 return NULL; 1065 return env; 1066 } 1067 1068 /* 1069 * Makes the current thread visible to the VM. 1070 * 1071 * The JNIEnv pointer returned is only valid for the current thread, and 1072 * thus must be tucked into thread-local storage. 1073 */ 1074 static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1075 { 1076 JavaVMAttachArgs args; 1077 JavaVM* vm; 1078 jint result; 1079 1080 vm = AndroidRuntime::getJavaVM(); 1081 assert(vm != NULL); 1082 1083 args.version = JNI_VERSION_1_4; 1084 args.name = (char*) threadName; 1085 args.group = NULL; 1086 1087 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1088 if (result != JNI_OK) 1089 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1090 1091 return result; 1092 } 1093 1094 /* 1095 * Detach the current thread from the set visible to the VM. 1096 */ 1097 static int javaDetachThread(void) 1098 { 1099 JavaVM* vm; 1100 jint result; 1101 1102 vm = AndroidRuntime::getJavaVM(); 1103 assert(vm != NULL); 1104 1105 result = vm->DetachCurrentThread(); 1106 if (result != JNI_OK) 1107 ALOGE("ERROR: thread detach failed\n"); 1108 return result; 1109 } 1110 1111 /* 1112 * When starting a native thread that will be visible from the VM, we 1113 * bounce through this to get the right attach/detach action. 1114 * Note that this function calls free(args) 1115 */ 1116 /*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1117 void* start = ((void**)args)[0]; 1118 void* userData = ((void **)args)[1]; 1119 char* name = (char*) ((void **)args)[2]; // we own this storage 1120 free(args); 1121 JNIEnv* env; 1122 int result; 1123 1124 /* hook us into the VM */ 1125 if (javaAttachThread(name, &env) != JNI_OK) 1126 return -1; 1127 1128 /* start the thread running */ 1129 result = (*(android_thread_func_t)start)(userData); 1130 1131 /* unhook us */ 1132 javaDetachThread(); 1133 free(name); 1134 1135 return result; 1136 } 1137 1138 /* 1139 * This is invoked from androidCreateThreadEtc() via the callback 1140 * set with androidSetCreateThreadFunc(). 1141 * 1142 * We need to create the new thread in such a way that it gets hooked 1143 * into the VM before it really starts executing. 1144 */ 1145 /*static*/ int AndroidRuntime::javaCreateThreadEtc( 1146 android_thread_func_t entryFunction, 1147 void* userData, 1148 const char* threadName, 1149 int32_t threadPriority, 1150 size_t threadStackSize, 1151 android_thread_id_t* threadId) 1152 { 1153 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1154 int result; 1155 1156 if (!threadName) 1157 threadName = "unnamed thread"; 1158 1159 args[0] = (void*) entryFunction; 1160 args[1] = userData; 1161 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1162 1163 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1164 threadName, threadPriority, threadStackSize, threadId); 1165 return result; 1166 } 1167 1168 /* 1169 * Create a thread that is visible from the VM. 1170 * 1171 * This is called from elsewhere in the library. 1172 */ 1173 /*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1174 void (*start)(void *), void* arg) 1175 { 1176 android_thread_id_t threadId = 0; 1177 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1178 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1179 return threadId; 1180 } 1181 1182 #if 0 1183 static void quickTest(void* arg) 1184 { 1185 const char* str = (const char*) arg; 1186 1187 printf("In quickTest: %s\n", str); 1188 } 1189 #endif 1190 1191 #ifdef NDEBUG 1192 #define REG_JNI(name) { name } 1193 struct RegJNIRec { 1194 int (*mProc)(JNIEnv*); 1195 }; 1196 #else 1197 #define REG_JNI(name) { name, #name } 1198 struct RegJNIRec { 1199 int (*mProc)(JNIEnv*); 1200 const char* mName; 1201 }; 1202 #endif 1203 1204 typedef void (*RegJAMProc)(); 1205 1206 static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1207 { 1208 for (size_t i = 0; i < count; i++) { 1209 if (array[i].mProc(env) < 0) { 1210 #ifndef NDEBUG 1211 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1212 #endif 1213 return -1; 1214 } 1215 } 1216 return 0; 1217 } 1218 1219 static void register_jam_procs(const RegJAMProc array[], size_t count) 1220 { 1221 for (size_t i = 0; i < count; i++) { 1222 array[i](); 1223 } 1224 } 1225 1226 static const RegJNIRec gRegJNI[] = { 1227 REG_JNI(register_com_android_internal_os_RuntimeInit), 1228 REG_JNI(register_android_os_SystemClock), 1229 REG_JNI(register_android_util_EventLog), 1230 REG_JNI(register_android_util_Log), 1231 REG_JNI(register_android_util_FloatMath), 1232 REG_JNI(register_android_content_AssetManager), 1233 REG_JNI(register_android_content_StringBlock), 1234 REG_JNI(register_android_content_XmlBlock), 1235 REG_JNI(register_android_emoji_EmojiFactory), 1236 REG_JNI(register_android_text_AndroidCharacter), 1237 REG_JNI(register_android_text_StaticLayout), 1238 REG_JNI(register_android_text_AndroidBidi), 1239 REG_JNI(register_android_view_InputDevice), 1240 REG_JNI(register_android_view_KeyCharacterMap), 1241 REG_JNI(register_android_os_Process), 1242 REG_JNI(register_android_os_SystemProperties), 1243 REG_JNI(register_android_os_Binder), 1244 REG_JNI(register_android_os_Parcel), 1245 REG_JNI(register_android_nio_utils), 1246 REG_JNI(register_android_graphics_Graphics), 1247 REG_JNI(register_android_view_DisplayEventReceiver), 1248 REG_JNI(register_android_view_RenderNode), 1249 REG_JNI(register_android_view_RenderNodeAnimator), 1250 REG_JNI(register_android_view_GraphicBuffer), 1251 REG_JNI(register_android_view_GLES20Canvas), 1252 REG_JNI(register_android_view_HardwareLayer), 1253 REG_JNI(register_android_view_ThreadedRenderer), 1254 REG_JNI(register_android_view_Surface), 1255 REG_JNI(register_android_view_SurfaceControl), 1256 REG_JNI(register_android_view_SurfaceSession), 1257 REG_JNI(register_android_view_TextureView), 1258 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1259 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1260 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1261 REG_JNI(register_android_opengl_jni_EGL14), 1262 REG_JNI(register_android_opengl_jni_EGLExt), 1263 REG_JNI(register_android_opengl_jni_GLES10), 1264 REG_JNI(register_android_opengl_jni_GLES10Ext), 1265 REG_JNI(register_android_opengl_jni_GLES11), 1266 REG_JNI(register_android_opengl_jni_GLES11Ext), 1267 REG_JNI(register_android_opengl_jni_GLES20), 1268 REG_JNI(register_android_opengl_jni_GLES30), 1269 REG_JNI(register_android_opengl_jni_GLES31), 1270 REG_JNI(register_android_opengl_jni_GLES31Ext), 1271 1272 REG_JNI(register_android_graphics_Bitmap), 1273 REG_JNI(register_android_graphics_BitmapFactory), 1274 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1275 REG_JNI(register_android_graphics_Camera), 1276 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1277 REG_JNI(register_android_graphics_Canvas), 1278 REG_JNI(register_android_graphics_CanvasProperty), 1279 REG_JNI(register_android_graphics_ColorFilter), 1280 REG_JNI(register_android_graphics_DrawFilter), 1281 REG_JNI(register_android_graphics_FontFamily), 1282 REG_JNI(register_android_graphics_Interpolator), 1283 REG_JNI(register_android_graphics_LayerRasterizer), 1284 REG_JNI(register_android_graphics_MaskFilter), 1285 REG_JNI(register_android_graphics_Matrix), 1286 REG_JNI(register_android_graphics_Movie), 1287 REG_JNI(register_android_graphics_NinePatch), 1288 REG_JNI(register_android_graphics_Paint), 1289 REG_JNI(register_android_graphics_Path), 1290 REG_JNI(register_android_graphics_PathMeasure), 1291 REG_JNI(register_android_graphics_PathEffect), 1292 REG_JNI(register_android_graphics_Picture), 1293 REG_JNI(register_android_graphics_PorterDuff), 1294 REG_JNI(register_android_graphics_Rasterizer), 1295 REG_JNI(register_android_graphics_Region), 1296 REG_JNI(register_android_graphics_Shader), 1297 REG_JNI(register_android_graphics_SurfaceTexture), 1298 REG_JNI(register_android_graphics_Typeface), 1299 REG_JNI(register_android_graphics_Xfermode), 1300 REG_JNI(register_android_graphics_YuvImage), 1301 REG_JNI(register_android_graphics_pdf_PdfDocument), 1302 REG_JNI(register_android_graphics_pdf_PdfEditor), 1303 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1304 1305 REG_JNI(register_android_database_CursorWindow), 1306 REG_JNI(register_android_database_SQLiteConnection), 1307 REG_JNI(register_android_database_SQLiteGlobal), 1308 REG_JNI(register_android_database_SQLiteDebug), 1309 REG_JNI(register_android_os_Debug), 1310 REG_JNI(register_android_os_FileObserver), 1311 REG_JNI(register_android_os_MessageQueue), 1312 REG_JNI(register_android_os_SELinux), 1313 REG_JNI(register_android_os_Trace), 1314 REG_JNI(register_android_os_UEventObserver), 1315 REG_JNI(register_android_net_LocalSocketImpl), 1316 REG_JNI(register_android_net_NetworkUtils), 1317 REG_JNI(register_android_net_TrafficStats), 1318 REG_JNI(register_android_os_MemoryFile), 1319 REG_JNI(register_com_android_internal_os_ZygoteInit), 1320 REG_JNI(register_com_android_internal_os_Zygote), 1321 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1322 REG_JNI(register_android_hardware_Camera), 1323 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1324 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1325 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1326 REG_JNI(register_android_hardware_camera2_DngCreator), 1327 REG_JNI(register_android_hardware_SensorManager), 1328 REG_JNI(register_android_hardware_SerialPort), 1329 REG_JNI(register_android_hardware_SoundTrigger), 1330 REG_JNI(register_android_hardware_UsbDevice), 1331 REG_JNI(register_android_hardware_UsbDeviceConnection), 1332 REG_JNI(register_android_hardware_UsbRequest), 1333 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1334 REG_JNI(register_android_media_AudioRecord), 1335 REG_JNI(register_android_media_AudioSystem), 1336 REG_JNI(register_android_media_AudioTrack), 1337 REG_JNI(register_android_media_JetPlayer), 1338 REG_JNI(register_android_media_RemoteDisplay), 1339 REG_JNI(register_android_media_ToneGenerator), 1340 1341 REG_JNI(register_android_opengl_classes), 1342 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1343 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1344 REG_JNI(register_android_backup_BackupDataInput), 1345 REG_JNI(register_android_backup_BackupDataOutput), 1346 REG_JNI(register_android_backup_FileBackupHelperBase), 1347 REG_JNI(register_android_backup_BackupHelperDispatcher), 1348 REG_JNI(register_android_app_backup_FullBackup), 1349 REG_JNI(register_android_app_ActivityThread), 1350 REG_JNI(register_android_app_NativeActivity), 1351 REG_JNI(register_android_view_InputChannel), 1352 REG_JNI(register_android_view_InputEventReceiver), 1353 REG_JNI(register_android_view_InputEventSender), 1354 REG_JNI(register_android_view_InputQueue), 1355 REG_JNI(register_android_view_KeyEvent), 1356 REG_JNI(register_android_view_MotionEvent), 1357 REG_JNI(register_android_view_PointerIcon), 1358 REG_JNI(register_android_view_VelocityTracker), 1359 1360 REG_JNI(register_android_content_res_ObbScanner), 1361 REG_JNI(register_android_content_res_Configuration), 1362 1363 REG_JNI(register_android_animation_PropertyValuesHolder), 1364 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1365 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1366 }; 1367 1368 /* 1369 * Register android native functions with the VM. 1370 */ 1371 /*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1372 { 1373 /* 1374 * This hook causes all future threads created in this process to be 1375 * attached to the JavaVM. (This needs to go away in favor of JNI 1376 * Attach calls.) 1377 */ 1378 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1379 1380 ALOGV("--- registering native functions ---\n"); 1381 1382 /* 1383 * Every "register" function calls one or more things that return 1384 * a local reference (e.g. FindClass). Because we haven't really 1385 * started the VM yet, they're all getting stored in the base frame 1386 * and never released. Use Push/Pop to manage the storage. 1387 */ 1388 env->PushLocalFrame(200); 1389 1390 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1391 env->PopLocalFrame(NULL); 1392 return -1; 1393 } 1394 env->PopLocalFrame(NULL); 1395 1396 //createJavaThread("fubar", quickTest, (void*) "hello"); 1397 1398 return 0; 1399 } 1400 1401 AndroidRuntime* AndroidRuntime::getRuntime() 1402 { 1403 return gCurRuntime; 1404 } 1405 1406 /** 1407 * Used by WithFramework to register native functions. 1408 */ 1409 extern "C" 1410 jint Java_com_android_internal_util_WithFramework_registerNatives( 1411 JNIEnv* env, jclass clazz) { 1412 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1413 } 1414 1415 /** 1416 * Used by LoadClass to register native functions. 1417 */ 1418 extern "C" 1419 jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1420 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1421 } 1422 1423 } // namespace android 1424
