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 static bool hasFile(const char* file) { 360 struct stat s; 361 int res = stat(file, &s); 362 if (res == 0) { 363 return S_ISREG(s.st_mode); 364 } 365 return false; 366 } 367 368 /* 369 * Read the persistent locale. 370 */ 371 static void readLocale(char* language, char* region) 372 { 373 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 374 375 property_get("persist.sys.language", propLang, ""); 376 property_get("persist.sys.country", propRegn, ""); 377 if (*propLang == 0 && *propRegn == 0) { 378 /* Set to ro properties, default is en_US */ 379 property_get("ro.product.locale.language", propLang, "en"); 380 property_get("ro.product.locale.region", propRegn, "US"); 381 } 382 strncat(language, propLang, 3); 383 strncat(region, propRegn, 3); 384 //ALOGD("language=%s region=%s\n", language, region); 385 } 386 387 void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 388 { 389 JavaVMOption opt; 390 opt.optionString = optionString; 391 opt.extraInfo = extraInfo; 392 mOptions.add(opt); 393 } 394 395 /* 396 * Parse a property containing space-separated options that should be 397 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 398 * 399 * This will cut up "extraOptsBuf" as we chop it into individual options. 400 * 401 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 402 * 403 * Adds the strings, if any, to mOptions. 404 */ 405 void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 406 { 407 char* start = extraOptsBuf; 408 char* end = NULL; 409 while (*start != '\0') { 410 while (*start == ' ') /* skip leading whitespace */ 411 start++; 412 if (*start == '\0') /* was trailing ws, bail */ 413 break; 414 415 end = start+1; 416 while (*end != ' ' && *end != '\0') /* find end of token */ 417 end++; 418 if (*end == ' ') 419 *end++ = '\0'; /* mark end, advance to indicate more */ 420 421 if (quotingArg != NULL) { 422 addOption(quotingArg); 423 } 424 addOption(start); 425 start = end; 426 } 427 } 428 429 /* 430 * Reads a "property" into "buffer" with a default of "defaultArg". If 431 * the property is non-empty, it is treated as a runtime option such 432 * as "-Xmx32m". 433 * 434 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 435 * 436 * If an argument is found, it is added to mOptions. 437 * 438 * If an option is found, it is added to mOptions and true is 439 * returned. Otherwise false is returned. 440 */ 441 bool AndroidRuntime::parseRuntimeOption(const char* property, 442 char* buffer, 443 const char* runtimeArg, 444 const char* defaultArg) 445 { 446 strcpy(buffer, runtimeArg); 447 size_t runtimeArgLen = strlen(runtimeArg); 448 property_get(property, buffer+runtimeArgLen, defaultArg); 449 if (buffer[runtimeArgLen] == '\0') { 450 return false; 451 } 452 addOption(buffer); 453 return true; 454 } 455 456 /* 457 * Reads a "property" into "buffer". If the property is non-empty, it 458 * is treated as a dex2oat compiler option that should be 459 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 460 * 461 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 462 * 463 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 464 * 465 * If an option is found, it is added to mOptions and true is 466 * returned. Otherwise false is returned. 467 */ 468 bool AndroidRuntime::parseCompilerOption(const char* property, 469 char* buffer, 470 const char* compilerArg, 471 const char* quotingArg) 472 { 473 strcpy(buffer, compilerArg); 474 size_t compilerArgLen = strlen(compilerArg); 475 property_get(property, buffer+compilerArgLen, ""); 476 if (buffer[compilerArgLen] == '\0') { 477 return false; 478 } 479 addOption(quotingArg); 480 addOption(buffer); 481 return true; 482 } 483 484 /* 485 * Reads a "property" into "buffer". If the property is non-empty, it 486 * is treated as a dex2oat compiler runtime option that should be 487 * passed as a quoted option, e.g. "-Ximage-compiler-option 488 * --runtime-arg -Ximage-compiler-option -Xmx32m". 489 * 490 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 491 * 492 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 493 * 494 * If an option is found, it is added to mOptions and true is 495 * returned. Otherwise false is returned. 496 */ 497 bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 498 char* buffer, 499 const char* runtimeArg, 500 const char* quotingArg) 501 { 502 strcpy(buffer, runtimeArg); 503 size_t runtimeArgLen = strlen(runtimeArg); 504 property_get(property, buffer+runtimeArgLen, ""); 505 if (buffer[runtimeArgLen] == '\0') { 506 return false; 507 } 508 addOption(quotingArg); 509 addOption("--runtime-arg"); 510 addOption(quotingArg); 511 addOption(buffer); 512 return true; 513 } 514 515 /* 516 * Start the Dalvik Virtual Machine. 517 * 518 * Various arguments, most determined by system properties, are passed in. 519 * The "mOptions" vector is updated. 520 * 521 * CAUTION: when adding options in here, be careful not to put the 522 * char buffer inside a nested scope. Adding the buffer to the 523 * options using mOptions.add() does not copy the buffer, so if the 524 * buffer goes out of scope the option may be overwritten. It's best 525 * to put the buffer at the top of the function so that it is more 526 * unlikely that someone will surround it in a scope at a later time 527 * and thus introduce a bug. 528 * 529 * Returns 0 on success. 530 */ 531 int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 532 { 533 int result = -1; 534 JavaVMInitArgs initArgs; 535 char propBuf[PROPERTY_VALUE_MAX]; 536 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 537 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 538 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 539 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 540 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 541 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 542 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 543 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 544 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 545 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 546 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 547 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 548 char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX]; 549 char dalvikVmLibBuf[PROPERTY_VALUE_MAX]; 550 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 551 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 552 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 553 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 554 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 555 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 556 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 557 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 558 char extraOptsBuf[PROPERTY_VALUE_MAX]; 559 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 560 enum { 561 kEMDefault, 562 kEMIntPortable, 563 kEMIntFast, 564 kEMJitCompiler, 565 } executionMode = kEMDefault; 566 char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX]; 567 char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX]; 568 char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX]; 569 char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX]; 570 char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX]; 571 char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 + 572 PROPERTY_VALUE_MAX]; 573 char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX]; 574 char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX]; 575 char langOption[sizeof("-Duser.language=") + 3]; 576 char regionOption[sizeof("-Duser.region=") + 3]; 577 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 578 char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX]; 579 char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX]; 580 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 581 582 bool checkJni = false; 583 property_get("dalvik.vm.checkjni", propBuf, ""); 584 if (strcmp(propBuf, "true") == 0) { 585 checkJni = true; 586 } else if (strcmp(propBuf, "false") != 0) { 587 /* property is neither true nor false; fall back on kernel parameter */ 588 property_get("ro.kernel.android.checkjni", propBuf, ""); 589 if (propBuf[0] == '1') { 590 checkJni = true; 591 } 592 } 593 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 594 if (checkJni) { 595 /* extended JNI checking */ 596 addOption("-Xcheck:jni"); 597 598 /* set a cap on JNI global references */ 599 addOption("-Xjnigreflimit:2000"); 600 601 /* with -Xcheck:jni, this provides a JNI function call trace */ 602 //addOption("-verbose:jni"); 603 } 604 605 property_get("dalvik.vm.execution-mode", propBuf, ""); 606 if (strcmp(propBuf, "int:portable") == 0) { 607 executionMode = kEMIntPortable; 608 } else if (strcmp(propBuf, "int:fast") == 0) { 609 executionMode = kEMIntFast; 610 } else if (strcmp(propBuf, "int:jit") == 0) { 611 executionMode = kEMJitCompiler; 612 } 613 614 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 615 616 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 617 if (strcmp(propBuf, "true") == 0) { 618 /* perform additional DEX checksum tests */ 619 addOption("-Xcheckdexsum"); 620 } 621 622 property_get("log.redirect-stdio", propBuf, ""); 623 if (strcmp(propBuf, "true") == 0) { 624 /* convert stdout/stderr to log messages */ 625 addOption("-Xlog-stdio"); 626 } 627 628 strcpy(enableAssertBuf, "-ea:"); 629 property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, ""); 630 if (enableAssertBuf[sizeof("-ea:")-1] != '\0') { 631 /* accept "all" to mean "all classes and packages" */ 632 if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0) 633 enableAssertBuf[3] = '\0'; // truncate to "-ea" 634 ALOGI("Assertions enabled: '%s'\n", enableAssertBuf); 635 addOption(enableAssertBuf); 636 } else { 637 ALOGV("Assertions disabled\n"); 638 } 639 640 strcpy(jniOptsBuf, "-Xjniopts:"); 641 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 642 ALOGI("JNI options: '%s'\n", jniOptsBuf); 643 } 644 645 /* route exit() to our handler */ 646 addOption("exit", (void*) runtime_exit); 647 648 /* route fprintf() to our handler */ 649 addOption("vfprintf", (void*) runtime_vfprintf); 650 651 /* register the framework-specific "is sensitive thread" hook */ 652 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 653 654 /* enable verbose; standard options are { jni, gc, class } */ 655 //addOption("-verbose:jni"); 656 addOption("-verbose:gc"); 657 //addOption("-verbose:class"); 658 659 /* 660 * The default starting and maximum size of the heap. Larger 661 * values should be specified in a product property override. 662 */ 663 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 664 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 665 666 // Increase the main thread's interpreter stack size for bug 6315322. 667 addOption("-XX:mainThreadStackSize=24K"); 668 669 // Set the max jit code cache size. Note: size of 0 will disable the JIT. 670 parseRuntimeOption("dalvik.vm.jit.codecachesize", 671 jitcodecachesizeOptsBuf, 672 "-Xjitcodecachesize:"); 673 674 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 675 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 676 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 677 parseRuntimeOption("dalvik.vm.heaptargetutilization", 678 heaptargetutilizationOptsBuf, 679 "-XX:HeapTargetUtilization="); 680 681 property_get("ro.config.low_ram", propBuf, ""); 682 if (strcmp(propBuf, "true") == 0) { 683 addOption("-XX:LowMemoryMode"); 684 } 685 686 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 687 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 688 689 /* 690 * Enable or disable dexopt features, such as bytecode verification and 691 * calculation of register maps for precise GC. 692 */ 693 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 694 if (dexoptFlagsBuf[0] != '\0') { 695 const char* opc; 696 const char* val; 697 698 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 699 if (opc != NULL) { 700 switch (*(opc+2)) { 701 case 'n': val = "-Xverify:none"; break; 702 case 'r': val = "-Xverify:remote"; break; 703 case 'a': val = "-Xverify:all"; break; 704 default: val = NULL; break; 705 } 706 707 if (val != NULL) { 708 addOption(val); 709 } 710 } 711 712 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 713 if (opc != NULL) { 714 switch (*(opc+2)) { 715 case 'n': val = "-Xdexopt:none"; break; 716 case 'v': val = "-Xdexopt:verified"; break; 717 case 'a': val = "-Xdexopt:all"; break; 718 case 'f': val = "-Xdexopt:full"; break; 719 default: val = NULL; break; 720 } 721 722 if (val != NULL) { 723 addOption(val); 724 } 725 } 726 727 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 728 if (opc != NULL) { 729 addOption("-Xgenregmap"); 730 731 /* turn on precise GC while we're at it */ 732 addOption("-Xgc:precise"); 733 } 734 } 735 736 /* enable debugging; set suspend=y to pause during VM init */ 737 /* use android ADB transport */ 738 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 739 740 parseRuntimeOption("dalvik.vm.lockprof.threshold", 741 lockProfThresholdBuf, 742 "-Xlockprofthreshold:"); 743 744 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 745 parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:"); 746 747 /* Force interpreter-only mode for selected methods */ 748 parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:"); 749 750 if (executionMode == kEMIntPortable) { 751 addOption("-Xint:portable"); 752 } else if (executionMode == kEMIntFast) { 753 addOption("-Xint:fast"); 754 } else if (executionMode == kEMJitCompiler) { 755 addOption("-Xint:jit"); 756 } 757 758 // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart. 759 property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so"); 760 bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0); 761 762 if (libart) { 763 // If we booting without the real /data, don't spend time compiling. 764 property_get("vold.decrypt", voldDecryptBuf, ""); 765 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 766 (strcmp(voldDecryptBuf, "1") == 0)); 767 768 // Extra options for boot.art/boot.oat image generation. 769 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 770 "-Xms", "-Ximage-compiler-option"); 771 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 772 "-Xmx", "-Ximage-compiler-option"); 773 if (skip_compilation) { 774 addOption("-Ximage-compiler-option"); 775 addOption("--compiler-filter=verify-none"); 776 } else { 777 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 778 "--compiler-filter=", "-Ximage-compiler-option"); 779 } 780 781 // Make sure there is a preloaded-classes file. 782 if (!hasFile("/system/etc/preloaded-classes")) { 783 ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n", 784 strerror(errno)); 785 goto bail; 786 } 787 addOption("-Ximage-compiler-option"); 788 addOption("--image-classes=/system/etc/preloaded-classes"); 789 790 // If there is a compiled-classes file, push it. 791 if (hasFile("/system/etc/compiled-classes")) { 792 addOption("-Ximage-compiler-option"); 793 addOption("--compiled-classes=/system/etc/compiled-classes"); 794 } 795 796 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 797 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 798 799 // Extra options for DexClassLoader. 800 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 801 "-Xms", "-Xcompiler-option"); 802 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 803 "-Xmx", "-Xcompiler-option"); 804 if (skip_compilation) { 805 addOption("-Xcompiler-option"); 806 addOption("--compiler-filter=verify-none"); 807 } else { 808 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 809 "--compiler-filter=", "-Xcompiler-option"); 810 } 811 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 812 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 813 814 } 815 816 /* extra options; parse this late so it overrides others */ 817 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 818 parseExtraOpts(extraOptsBuf, NULL); 819 820 /* Set the properties for locale */ 821 { 822 strcpy(langOption, "-Duser.language="); 823 strcpy(regionOption, "-Duser.region="); 824 readLocale(langOption, regionOption); 825 addOption(langOption); 826 addOption(regionOption); 827 } 828 829 /* 830 * Set profiler options 831 */ 832 if (libart) { 833 // Whether or not the profiler should be enabled. 834 property_get("dalvik.vm.profiler", propBuf, "0"); 835 if (propBuf[0] == '1') { 836 addOption("-Xenable-profiler"); 837 } 838 839 // Whether the profile should start upon app startup or be delayed by some random offset 840 // (in seconds) that is bound between 0 and a fixed value. 841 property_get("dalvik.vm.profile.start-immed", propBuf, "0"); 842 if (propBuf[0] == '1') { 843 addOption("-Xprofile-start-immediately"); 844 } 845 846 // Number of seconds during profile runs. 847 parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:"); 848 849 // Length of each profile run (seconds). 850 parseRuntimeOption("dalvik.vm.profile.duration-secs", 851 profileDuration, 852 "-Xprofile-duration:"); 853 854 // Polling interval during profile run (microseconds). 855 parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:"); 856 857 // Coefficient for period backoff. The the period is multiplied 858 // by this value after each profile run. 859 parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:"); 860 861 // Top K% of samples that are considered relevant when 862 // deciding if the app should be recompiled. 863 parseRuntimeOption("dalvik.vm.profile.top-k-thr", 864 profileTopKThreshold, 865 "-Xprofile-top-k-threshold:"); 866 867 // The threshold after which a change in the structure of the 868 // top K% profiled samples becomes significant and triggers 869 // recompilation. A change in profile is considered 870 // significant if X% (top-k-change-threshold) of the top K% 871 // (top-k-threshold property) samples has changed. 872 parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr", 873 profileTopKChangeThreshold, 874 "-Xprofile-top-k-change-threshold:"); 875 876 // Type of profile data. 877 parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:"); 878 879 // Depth of bounded stack data 880 parseRuntimeOption("dalvik.vm.profile.stack-depth", 881 profileMaxStackDepth, 882 "-Xprofile-max-stack-depth:"); 883 884 // Native bridge library. "0" means that native bridge is disabled. 885 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 886 if (propBuf[0] == '\0') { 887 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 888 } else if (strcmp(propBuf, "0") != 0) { 889 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 890 "-XX:NativeBridge=%s", propBuf); 891 addOption(nativeBridgeLibrary); 892 } 893 } 894 895 initArgs.version = JNI_VERSION_1_4; 896 initArgs.options = mOptions.editArray(); 897 initArgs.nOptions = mOptions.size(); 898 initArgs.ignoreUnrecognized = JNI_FALSE; 899 900 /* 901 * Initialize the VM. 902 * 903 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 904 * If this call succeeds, the VM is ready, and we can start issuing 905 * JNI calls. 906 */ 907 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 908 ALOGE("JNI_CreateJavaVM failed\n"); 909 goto bail; 910 } 911 912 result = 0; 913 914 bail: 915 return result; 916 } 917 918 char* AndroidRuntime::toSlashClassName(const char* className) 919 { 920 char* result = strdup(className); 921 for (char* cp = result; *cp != '\0'; cp++) { 922 if (*cp == '.') { 923 *cp = '/'; 924 } 925 } 926 return result; 927 } 928 929 /** Create a Java string from an ASCII or Latin-1 string */ 930 jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) { 931 if (!bytes) return NULL; 932 int length = strlen(bytes); 933 jchar* buffer = (jchar *)alloca(length * sizeof(jchar)); 934 if (!buffer) return NULL; 935 jchar* chp = buffer; 936 for (int i = 0; i < length; i++) { 937 *chp++ = *bytes++; 938 } 939 return env->NewString(buffer, length); 940 } 941 942 943 /* 944 * Start the Android runtime. This involves starting the virtual machine 945 * and calling the "static void main(String[] args)" method in the class 946 * named by "className". 947 * 948 * Passes the main function two arguments, the class name and the specified 949 * options string. 950 */ 951 void AndroidRuntime::start(const char* className, const Vector<String8>& options) 952 { 953 ALOGD(">>>>>> START %s uid %d <<<<<<\n", 954 className != NULL ? className : "(unknown)", getuid()); 955 956 static const String8 startSystemServer("start-system-server"); 957 958 /* 959 * 'startSystemServer == true' means runtime is obsolete and not run from 960 * init.rc anymore, so we print out the boot start event here. 961 */ 962 for (size_t i = 0; i < options.size(); ++i) { 963 if (options[i] == startSystemServer) { 964 /* track our progress through the boot sequence */ 965 const int LOG_BOOT_PROGRESS_START = 3000; 966 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 967 } 968 } 969 970 const char* rootDir = getenv("ANDROID_ROOT"); 971 if (rootDir == NULL) { 972 rootDir = "/system"; 973 if (!hasDir("/system")) { 974 LOG_FATAL("No root directory specified, and /android does not exist."); 975 return; 976 } 977 setenv("ANDROID_ROOT", rootDir, 1); 978 } 979 980 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 981 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 982 983 /* start the virtual machine */ 984 JniInvocation jni_invocation; 985 jni_invocation.Init(NULL); 986 JNIEnv* env; 987 if (startVm(&mJavaVM, &env) != 0) { 988 return; 989 } 990 onVmCreated(env); 991 992 /* 993 * Register android functions. 994 */ 995 if (startReg(env) < 0) { 996 ALOGE("Unable to register all android natives\n"); 997 return; 998 } 999 1000 /* 1001 * We want to call main() with a String array with arguments in it. 1002 * At present we have two arguments, the class name and an option string. 1003 * Create an array to hold them. 1004 */ 1005 jclass stringClass; 1006 jobjectArray strArray; 1007 jstring classNameStr; 1008 1009 stringClass = env->FindClass("java/lang/String"); 1010 assert(stringClass != NULL); 1011 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 1012 assert(strArray != NULL); 1013 classNameStr = env->NewStringUTF(className); 1014 assert(classNameStr != NULL); 1015 env->SetObjectArrayElement(strArray, 0, classNameStr); 1016 1017 for (size_t i = 0; i < options.size(); ++i) { 1018 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 1019 assert(optionsStr != NULL); 1020 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 1021 } 1022 1023 /* 1024 * Start VM. This thread becomes the main thread of the VM, and will 1025 * not return until the VM exits. 1026 */ 1027 char* slashClassName = toSlashClassName(className); 1028 jclass startClass = env->FindClass(slashClassName); 1029 if (startClass == NULL) { 1030 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1031 /* keep going */ 1032 } else { 1033 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1034 "([Ljava/lang/String;)V"); 1035 if (startMeth == NULL) { 1036 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1037 /* keep going */ 1038 } else { 1039 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1040 1041 #if 0 1042 if (env->ExceptionCheck()) 1043 threadExitUncaughtException(env); 1044 #endif 1045 } 1046 } 1047 free(slashClassName); 1048 1049 ALOGD("Shutting down VM\n"); 1050 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1051 ALOGW("Warning: unable to detach main thread\n"); 1052 if (mJavaVM->DestroyJavaVM() != 0) 1053 ALOGW("Warning: VM did not shut down cleanly\n"); 1054 } 1055 1056 void AndroidRuntime::exit(int code) 1057 { 1058 if (mExitWithoutCleanup) { 1059 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1060 ::_exit(code); 1061 } else { 1062 ALOGI("VM exiting with result code %d.", code); 1063 onExit(code); 1064 ::exit(code); 1065 } 1066 } 1067 1068 void AndroidRuntime::onVmCreated(JNIEnv* env) 1069 { 1070 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1071 } 1072 1073 /* 1074 * Get the JNIEnv pointer for this thread. 1075 * 1076 * Returns NULL if the slot wasn't allocated or populated. 1077 */ 1078 /*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1079 { 1080 JNIEnv* env; 1081 JavaVM* vm = AndroidRuntime::getJavaVM(); 1082 assert(vm != NULL); 1083 1084 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1085 return NULL; 1086 return env; 1087 } 1088 1089 /* 1090 * Makes the current thread visible to the VM. 1091 * 1092 * The JNIEnv pointer returned is only valid for the current thread, and 1093 * thus must be tucked into thread-local storage. 1094 */ 1095 static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1096 { 1097 JavaVMAttachArgs args; 1098 JavaVM* vm; 1099 jint result; 1100 1101 vm = AndroidRuntime::getJavaVM(); 1102 assert(vm != NULL); 1103 1104 args.version = JNI_VERSION_1_4; 1105 args.name = (char*) threadName; 1106 args.group = NULL; 1107 1108 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1109 if (result != JNI_OK) 1110 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1111 1112 return result; 1113 } 1114 1115 /* 1116 * Detach the current thread from the set visible to the VM. 1117 */ 1118 static int javaDetachThread(void) 1119 { 1120 JavaVM* vm; 1121 jint result; 1122 1123 vm = AndroidRuntime::getJavaVM(); 1124 assert(vm != NULL); 1125 1126 result = vm->DetachCurrentThread(); 1127 if (result != JNI_OK) 1128 ALOGE("ERROR: thread detach failed\n"); 1129 return result; 1130 } 1131 1132 /* 1133 * When starting a native thread that will be visible from the VM, we 1134 * bounce through this to get the right attach/detach action. 1135 * Note that this function calls free(args) 1136 */ 1137 /*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1138 void* start = ((void**)args)[0]; 1139 void* userData = ((void **)args)[1]; 1140 char* name = (char*) ((void **)args)[2]; // we own this storage 1141 free(args); 1142 JNIEnv* env; 1143 int result; 1144 1145 /* hook us into the VM */ 1146 if (javaAttachThread(name, &env) != JNI_OK) 1147 return -1; 1148 1149 /* start the thread running */ 1150 result = (*(android_thread_func_t)start)(userData); 1151 1152 /* unhook us */ 1153 javaDetachThread(); 1154 free(name); 1155 1156 return result; 1157 } 1158 1159 /* 1160 * This is invoked from androidCreateThreadEtc() via the callback 1161 * set with androidSetCreateThreadFunc(). 1162 * 1163 * We need to create the new thread in such a way that it gets hooked 1164 * into the VM before it really starts executing. 1165 */ 1166 /*static*/ int AndroidRuntime::javaCreateThreadEtc( 1167 android_thread_func_t entryFunction, 1168 void* userData, 1169 const char* threadName, 1170 int32_t threadPriority, 1171 size_t threadStackSize, 1172 android_thread_id_t* threadId) 1173 { 1174 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1175 int result; 1176 1177 if (!threadName) 1178 threadName = "unnamed thread"; 1179 1180 args[0] = (void*) entryFunction; 1181 args[1] = userData; 1182 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1183 1184 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1185 threadName, threadPriority, threadStackSize, threadId); 1186 return result; 1187 } 1188 1189 /* 1190 * Create a thread that is visible from the VM. 1191 * 1192 * This is called from elsewhere in the library. 1193 */ 1194 /*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1195 void (*start)(void *), void* arg) 1196 { 1197 android_thread_id_t threadId = 0; 1198 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1199 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1200 return threadId; 1201 } 1202 1203 #if 0 1204 static void quickTest(void* arg) 1205 { 1206 const char* str = (const char*) arg; 1207 1208 printf("In quickTest: %s\n", str); 1209 } 1210 #endif 1211 1212 #ifdef NDEBUG 1213 #define REG_JNI(name) { name } 1214 struct RegJNIRec { 1215 int (*mProc)(JNIEnv*); 1216 }; 1217 #else 1218 #define REG_JNI(name) { name, #name } 1219 struct RegJNIRec { 1220 int (*mProc)(JNIEnv*); 1221 const char* mName; 1222 }; 1223 #endif 1224 1225 typedef void (*RegJAMProc)(); 1226 1227 static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1228 { 1229 for (size_t i = 0; i < count; i++) { 1230 if (array[i].mProc(env) < 0) { 1231 #ifndef NDEBUG 1232 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1233 #endif 1234 return -1; 1235 } 1236 } 1237 return 0; 1238 } 1239 1240 static void register_jam_procs(const RegJAMProc array[], size_t count) 1241 { 1242 for (size_t i = 0; i < count; i++) { 1243 array[i](); 1244 } 1245 } 1246 1247 static const RegJNIRec gRegJNI[] = { 1248 REG_JNI(register_com_android_internal_os_RuntimeInit), 1249 REG_JNI(register_android_os_SystemClock), 1250 REG_JNI(register_android_util_EventLog), 1251 REG_JNI(register_android_util_Log), 1252 REG_JNI(register_android_util_FloatMath), 1253 REG_JNI(register_android_content_AssetManager), 1254 REG_JNI(register_android_content_StringBlock), 1255 REG_JNI(register_android_content_XmlBlock), 1256 REG_JNI(register_android_emoji_EmojiFactory), 1257 REG_JNI(register_android_text_AndroidCharacter), 1258 REG_JNI(register_android_text_StaticLayout), 1259 REG_JNI(register_android_text_AndroidBidi), 1260 REG_JNI(register_android_view_InputDevice), 1261 REG_JNI(register_android_view_KeyCharacterMap), 1262 REG_JNI(register_android_os_Process), 1263 REG_JNI(register_android_os_SystemProperties), 1264 REG_JNI(register_android_os_Binder), 1265 REG_JNI(register_android_os_Parcel), 1266 REG_JNI(register_android_nio_utils), 1267 REG_JNI(register_android_graphics_Graphics), 1268 REG_JNI(register_android_view_DisplayEventReceiver), 1269 REG_JNI(register_android_view_RenderNode), 1270 REG_JNI(register_android_view_RenderNodeAnimator), 1271 REG_JNI(register_android_view_GraphicBuffer), 1272 REG_JNI(register_android_view_GLES20Canvas), 1273 REG_JNI(register_android_view_HardwareLayer), 1274 REG_JNI(register_android_view_ThreadedRenderer), 1275 REG_JNI(register_android_view_Surface), 1276 REG_JNI(register_android_view_SurfaceControl), 1277 REG_JNI(register_android_view_SurfaceSession), 1278 REG_JNI(register_android_view_TextureView), 1279 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1280 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1281 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1282 REG_JNI(register_android_opengl_jni_EGL14), 1283 REG_JNI(register_android_opengl_jni_EGLExt), 1284 REG_JNI(register_android_opengl_jni_GLES10), 1285 REG_JNI(register_android_opengl_jni_GLES10Ext), 1286 REG_JNI(register_android_opengl_jni_GLES11), 1287 REG_JNI(register_android_opengl_jni_GLES11Ext), 1288 REG_JNI(register_android_opengl_jni_GLES20), 1289 REG_JNI(register_android_opengl_jni_GLES30), 1290 REG_JNI(register_android_opengl_jni_GLES31), 1291 REG_JNI(register_android_opengl_jni_GLES31Ext), 1292 1293 REG_JNI(register_android_graphics_Bitmap), 1294 REG_JNI(register_android_graphics_BitmapFactory), 1295 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1296 REG_JNI(register_android_graphics_Camera), 1297 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1298 REG_JNI(register_android_graphics_Canvas), 1299 REG_JNI(register_android_graphics_CanvasProperty), 1300 REG_JNI(register_android_graphics_ColorFilter), 1301 REG_JNI(register_android_graphics_DrawFilter), 1302 REG_JNI(register_android_graphics_FontFamily), 1303 REG_JNI(register_android_graphics_Interpolator), 1304 REG_JNI(register_android_graphics_LayerRasterizer), 1305 REG_JNI(register_android_graphics_MaskFilter), 1306 REG_JNI(register_android_graphics_Matrix), 1307 REG_JNI(register_android_graphics_Movie), 1308 REG_JNI(register_android_graphics_NinePatch), 1309 REG_JNI(register_android_graphics_Paint), 1310 REG_JNI(register_android_graphics_Path), 1311 REG_JNI(register_android_graphics_PathMeasure), 1312 REG_JNI(register_android_graphics_PathEffect), 1313 REG_JNI(register_android_graphics_Picture), 1314 REG_JNI(register_android_graphics_PorterDuff), 1315 REG_JNI(register_android_graphics_Rasterizer), 1316 REG_JNI(register_android_graphics_Region), 1317 REG_JNI(register_android_graphics_Shader), 1318 REG_JNI(register_android_graphics_SurfaceTexture), 1319 REG_JNI(register_android_graphics_Typeface), 1320 REG_JNI(register_android_graphics_Xfermode), 1321 REG_JNI(register_android_graphics_YuvImage), 1322 REG_JNI(register_android_graphics_pdf_PdfDocument), 1323 REG_JNI(register_android_graphics_pdf_PdfEditor), 1324 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1325 1326 REG_JNI(register_android_database_CursorWindow), 1327 REG_JNI(register_android_database_SQLiteConnection), 1328 REG_JNI(register_android_database_SQLiteGlobal), 1329 REG_JNI(register_android_database_SQLiteDebug), 1330 REG_JNI(register_android_os_Debug), 1331 REG_JNI(register_android_os_FileObserver), 1332 REG_JNI(register_android_os_MessageQueue), 1333 REG_JNI(register_android_os_SELinux), 1334 REG_JNI(register_android_os_Trace), 1335 REG_JNI(register_android_os_UEventObserver), 1336 REG_JNI(register_android_net_LocalSocketImpl), 1337 REG_JNI(register_android_net_NetworkUtils), 1338 REG_JNI(register_android_net_TrafficStats), 1339 REG_JNI(register_android_os_MemoryFile), 1340 REG_JNI(register_com_android_internal_os_ZygoteInit), 1341 REG_JNI(register_com_android_internal_os_Zygote), 1342 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1343 REG_JNI(register_android_hardware_Camera), 1344 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1345 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1346 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1347 REG_JNI(register_android_hardware_camera2_DngCreator), 1348 REG_JNI(register_android_hardware_SensorManager), 1349 REG_JNI(register_android_hardware_SerialPort), 1350 REG_JNI(register_android_hardware_SoundTrigger), 1351 REG_JNI(register_android_hardware_UsbDevice), 1352 REG_JNI(register_android_hardware_UsbDeviceConnection), 1353 REG_JNI(register_android_hardware_UsbRequest), 1354 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1355 REG_JNI(register_android_media_AudioRecord), 1356 REG_JNI(register_android_media_AudioSystem), 1357 REG_JNI(register_android_media_AudioTrack), 1358 REG_JNI(register_android_media_JetPlayer), 1359 REG_JNI(register_android_media_RemoteDisplay), 1360 REG_JNI(register_android_media_ToneGenerator), 1361 1362 REG_JNI(register_android_opengl_classes), 1363 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1364 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1365 REG_JNI(register_android_backup_BackupDataInput), 1366 REG_JNI(register_android_backup_BackupDataOutput), 1367 REG_JNI(register_android_backup_FileBackupHelperBase), 1368 REG_JNI(register_android_backup_BackupHelperDispatcher), 1369 REG_JNI(register_android_app_backup_FullBackup), 1370 REG_JNI(register_android_app_ActivityThread), 1371 REG_JNI(register_android_app_NativeActivity), 1372 REG_JNI(register_android_view_InputChannel), 1373 REG_JNI(register_android_view_InputEventReceiver), 1374 REG_JNI(register_android_view_InputEventSender), 1375 REG_JNI(register_android_view_InputQueue), 1376 REG_JNI(register_android_view_KeyEvent), 1377 REG_JNI(register_android_view_MotionEvent), 1378 REG_JNI(register_android_view_PointerIcon), 1379 REG_JNI(register_android_view_VelocityTracker), 1380 1381 REG_JNI(register_android_content_res_ObbScanner), 1382 REG_JNI(register_android_content_res_Configuration), 1383 1384 REG_JNI(register_android_animation_PropertyValuesHolder), 1385 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1386 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1387 }; 1388 1389 /* 1390 * Register android native functions with the VM. 1391 */ 1392 /*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1393 { 1394 /* 1395 * This hook causes all future threads created in this process to be 1396 * attached to the JavaVM. (This needs to go away in favor of JNI 1397 * Attach calls.) 1398 */ 1399 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1400 1401 ALOGV("--- registering native functions ---\n"); 1402 1403 /* 1404 * Every "register" function calls one or more things that return 1405 * a local reference (e.g. FindClass). Because we haven't really 1406 * started the VM yet, they're all getting stored in the base frame 1407 * and never released. Use Push/Pop to manage the storage. 1408 */ 1409 env->PushLocalFrame(200); 1410 1411 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1412 env->PopLocalFrame(NULL); 1413 return -1; 1414 } 1415 env->PopLocalFrame(NULL); 1416 1417 //createJavaThread("fubar", quickTest, (void*) "hello"); 1418 1419 return 0; 1420 } 1421 1422 AndroidRuntime* AndroidRuntime::getRuntime() 1423 { 1424 return gCurRuntime; 1425 } 1426 1427 /** 1428 * Used by WithFramework to register native functions. 1429 */ 1430 extern "C" 1431 jint Java_com_android_internal_util_WithFramework_registerNatives( 1432 JNIEnv* env, jclass clazz) { 1433 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1434 } 1435 1436 /** 1437 * Used by LoadClass to register native functions. 1438 */ 1439 extern "C" 1440 jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1441 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1442 } 1443 1444 } // namespace android 1445
