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 ATRACE_TAG ATRACE_TAG_DALVIK 18#define LOG_TAG "AndroidRuntime" 19//#define LOG_NDEBUG 0 20 21#include <android_runtime/AndroidRuntime.h> 22#include <binder/IBinder.h> 23#include <binder/IPCThreadState.h> 24#include <binder/IServiceManager.h> 25#include <utils/Log.h> 26#include <utils/misc.h> 27#include <utils/Trace.h> 28#include <binder/Parcel.h> 29#include <utils/threads.h> 30#include <cutils/properties.h> 31 32#include <SkGraphics.h> 33#include <SkImageDecoder.h> 34 35#include "jni.h" 36#include "JNIHelp.h" 37#include "JniInvocation.h" 38#include "android_util_Binder.h" 39 40#include <stdio.h> 41#include <signal.h> 42#include <sys/stat.h> 43#include <sys/types.h> 44#include <signal.h> 45#include <dirent.h> 46#include <assert.h> 47 48#include <string> 49#include <vector> 50 51 52using namespace android; 53 54extern int register_android_os_Binder(JNIEnv* env); 55extern int register_android_os_Process(JNIEnv* env); 56extern int register_android_graphics_Bitmap(JNIEnv*); 57extern int register_android_graphics_BitmapFactory(JNIEnv*); 58extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*); 59extern int register_android_graphics_Camera(JNIEnv* env); 60extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env); 61extern int register_android_graphics_Graphics(JNIEnv* env); 62extern int register_android_graphics_Interpolator(JNIEnv* env); 63extern int register_android_graphics_MaskFilter(JNIEnv* env); 64extern int register_android_graphics_Movie(JNIEnv* env); 65extern int register_android_graphics_NinePatch(JNIEnv*); 66extern int register_android_graphics_PathEffect(JNIEnv* env); 67extern int register_android_graphics_Shader(JNIEnv* env); 68extern int register_android_graphics_Typeface(JNIEnv* env); 69extern int register_android_graphics_YuvImage(JNIEnv* env); 70 71extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 72extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 73extern int register_android_opengl_jni_EGL14(JNIEnv* env); 74extern int register_android_opengl_jni_EGLExt(JNIEnv* env); 75extern int register_android_opengl_jni_GLES10(JNIEnv* env); 76extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 77extern int register_android_opengl_jni_GLES11(JNIEnv* env); 78extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 79extern int register_android_opengl_jni_GLES20(JNIEnv* env); 80extern int register_android_opengl_jni_GLES30(JNIEnv* env); 81extern int register_android_opengl_jni_GLES31(JNIEnv* env); 82extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env); 83extern int register_android_opengl_jni_GLES32(JNIEnv* env); 84 85extern int register_android_hardware_Camera(JNIEnv *env); 86extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env); 87extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env); 88extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env); 89extern int register_android_hardware_camera2_DngCreator(JNIEnv *env); 90extern int register_android_hardware_Radio(JNIEnv *env); 91extern int register_android_hardware_SensorManager(JNIEnv *env); 92extern int register_android_hardware_SerialPort(JNIEnv *env); 93extern int register_android_hardware_SoundTrigger(JNIEnv *env); 94extern int register_android_hardware_UsbDevice(JNIEnv *env); 95extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env); 96extern int register_android_hardware_UsbRequest(JNIEnv *env); 97extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env); 98extern int register_android_hardware_location_ContextHubService(JNIEnv* env); 99 100extern int register_android_media_AudioRecord(JNIEnv *env); 101extern int register_android_media_AudioSystem(JNIEnv *env); 102extern int register_android_media_AudioTrack(JNIEnv *env); 103extern int register_android_media_JetPlayer(JNIEnv *env); 104extern int register_android_media_ToneGenerator(JNIEnv *env); 105 106namespace android { 107 108/* 109 * JNI-based registration functions. Note these are properly contained in 110 * namespace android. 111 */ 112extern int register_android_app_admin_SecurityLog(JNIEnv* env); 113extern int register_android_content_AssetManager(JNIEnv* env); 114extern int register_android_util_EventLog(JNIEnv* env); 115extern int register_android_util_Log(JNIEnv* env); 116extern int register_android_util_MemoryIntArray(JNIEnv* env); 117extern int register_android_util_PathParser(JNIEnv* env); 118extern int register_android_content_StringBlock(JNIEnv* env); 119extern int register_android_content_XmlBlock(JNIEnv* env); 120extern int register_android_graphics_Canvas(JNIEnv* env); 121extern int register_android_graphics_CanvasProperty(JNIEnv* env); 122extern int register_android_graphics_ColorFilter(JNIEnv* env); 123extern int register_android_graphics_DrawFilter(JNIEnv* env); 124extern int register_android_graphics_FontFamily(JNIEnv* env); 125extern int register_android_graphics_LayerRasterizer(JNIEnv*); 126extern int register_android_graphics_Matrix(JNIEnv* env); 127extern int register_android_graphics_Paint(JNIEnv* env); 128extern int register_android_graphics_Path(JNIEnv* env); 129extern int register_android_graphics_PathMeasure(JNIEnv* env); 130extern int register_android_graphics_Picture(JNIEnv*); 131extern int register_android_graphics_PorterDuff(JNIEnv* env); 132extern int register_android_graphics_Rasterizer(JNIEnv* env); 133extern int register_android_graphics_Region(JNIEnv* env); 134extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 135extern int register_android_graphics_Xfermode(JNIEnv* env); 136extern int register_android_graphics_drawable_AnimatedVectorDrawable(JNIEnv* env); 137extern int register_android_graphics_drawable_VectorDrawable(JNIEnv* env); 138extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env); 139extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env); 140extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env); 141extern int register_android_view_DisplayEventReceiver(JNIEnv* env); 142extern int register_android_view_DisplayListCanvas(JNIEnv* env); 143extern int register_android_view_GraphicBuffer(JNIEnv* env); 144extern int register_android_view_HardwareLayer(JNIEnv* env); 145extern int register_android_view_RenderNode(JNIEnv* env); 146extern int register_android_view_RenderNodeAnimator(JNIEnv* env); 147extern int register_android_view_Surface(JNIEnv* env); 148extern int register_android_view_SurfaceControl(JNIEnv* env); 149extern int register_android_view_SurfaceSession(JNIEnv* env); 150extern int register_android_view_TextureView(JNIEnv* env); 151extern int register_android_view_ThreadedRenderer(JNIEnv* env); 152extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env); 153extern int register_android_database_CursorWindow(JNIEnv* env); 154extern int register_android_database_SQLiteConnection(JNIEnv* env); 155extern int register_android_database_SQLiteGlobal(JNIEnv* env); 156extern int register_android_database_SQLiteDebug(JNIEnv* env); 157extern int register_android_nio_utils(JNIEnv* env); 158extern int register_android_os_Debug(JNIEnv* env); 159extern int register_android_os_GraphicsEnvironment(JNIEnv* env); 160extern int register_android_os_MessageQueue(JNIEnv* env); 161extern int register_android_os_Parcel(JNIEnv* env); 162extern int register_android_os_SELinux(JNIEnv* env); 163extern int register_android_os_SystemProperties(JNIEnv *env); 164extern int register_android_os_SystemClock(JNIEnv* env); 165extern int register_android_os_Trace(JNIEnv* env); 166extern int register_android_os_FileObserver(JNIEnv *env); 167extern int register_android_os_UEventObserver(JNIEnv* env); 168extern int register_android_os_MemoryFile(JNIEnv* env); 169extern int register_android_net_LocalSocketImpl(JNIEnv* env); 170extern int register_android_net_NetworkUtils(JNIEnv* env); 171extern int register_android_net_TrafficStats(JNIEnv* env); 172extern int register_android_text_AndroidCharacter(JNIEnv *env); 173extern int register_android_text_StaticLayout(JNIEnv *env); 174extern int register_android_text_AndroidBidi(JNIEnv *env); 175extern int register_android_opengl_classes(JNIEnv *env); 176extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 177extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env); 178extern int register_android_backup_BackupDataInput(JNIEnv *env); 179extern int register_android_backup_BackupDataOutput(JNIEnv *env); 180extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 181extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 182extern int register_android_app_backup_FullBackup(JNIEnv *env); 183extern int register_android_app_Activity(JNIEnv *env); 184extern int register_android_app_ActivityThread(JNIEnv *env); 185extern int register_android_app_ApplicationLoaders(JNIEnv *env); 186extern int register_android_app_NativeActivity(JNIEnv *env); 187extern int register_android_media_RemoteDisplay(JNIEnv *env); 188extern int register_android_util_jar_StrictJarFile(JNIEnv* env); 189extern int register_android_view_InputChannel(JNIEnv* env); 190extern int register_android_view_InputDevice(JNIEnv* env); 191extern int register_android_view_InputEventReceiver(JNIEnv* env); 192extern int register_android_view_InputEventSender(JNIEnv* env); 193extern int register_android_view_InputQueue(JNIEnv* env); 194extern int register_android_view_KeyCharacterMap(JNIEnv *env); 195extern int register_android_view_KeyEvent(JNIEnv* env); 196extern int register_android_view_MotionEvent(JNIEnv* env); 197extern int register_android_view_PointerIcon(JNIEnv* env); 198extern int register_android_view_VelocityTracker(JNIEnv* env); 199extern int register_android_content_res_ObbScanner(JNIEnv* env); 200extern int register_android_content_res_Configuration(JNIEnv* env); 201extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 202extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 203extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env); 204extern int register_com_android_internal_os_PathClassLoaderFactory(JNIEnv* env); 205extern int register_com_android_internal_os_Zygote(JNIEnv *env); 206extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env); 207 208static AndroidRuntime* gCurRuntime = NULL; 209 210/* 211 * Code written in the Java Programming Language calls here from main(). 212 */ 213static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 214{ 215 gCurRuntime->onStarted(); 216} 217 218static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 219{ 220 gCurRuntime->onZygoteInit(); 221} 222 223static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 224 jobject clazz, jboolean exitWithoutCleanup) 225{ 226 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 227} 228 229/* 230 * JNI registration. 231 */ 232static const JNINativeMethod gMethods[] = { 233 { "nativeFinishInit", "()V", 234 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 235 { "nativeZygoteInit", "()V", 236 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 237 { "nativeSetExitWithoutCleanup", "(Z)V", 238 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 239}; 240 241int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 242{ 243 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 244 gMethods, NELEM(gMethods)); 245} 246 247// ---------------------------------------------------------------------- 248 249/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 250 251AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) : 252 mExitWithoutCleanup(false), 253 mArgBlockStart(argBlockStart), 254 mArgBlockLength(argBlockLength) 255{ 256 SkGraphics::Init(); 257 // There is also a global font cache, but its budget is specified by 258 // SK_DEFAULT_FONT_CACHE_COUNT_LIMIT and SK_DEFAULT_FONT_CACHE_LIMIT. 259 260 // Pre-allocate enough space to hold a fair number of options. 261 mOptions.setCapacity(20); 262 263 assert(gCurRuntime == NULL); // one per process 264 gCurRuntime = this; 265} 266 267AndroidRuntime::~AndroidRuntime() 268{ 269 SkGraphics::Term(); 270} 271 272/* 273 * Register native methods using JNI. 274 */ 275/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 276 const char* className, const JNINativeMethod* gMethods, int numMethods) 277{ 278 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 279} 280 281void AndroidRuntime::setArgv0(const char* argv0) { 282 memset(mArgBlockStart, 0, mArgBlockLength); 283 strlcpy(mArgBlockStart, argv0, mArgBlockLength); 284} 285 286status_t AndroidRuntime::callMain(const String8& className, jclass clazz, 287 const Vector<String8>& args) 288{ 289 JNIEnv* env; 290 jmethodID methodId; 291 292 ALOGD("Calling main entry %s", className.string()); 293 294 env = getJNIEnv(); 295 if (clazz == NULL || env == NULL) { 296 return UNKNOWN_ERROR; 297 } 298 299 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 300 if (methodId == NULL) { 301 ALOGE("ERROR: could not find method %s.main(String[])\n", className.string()); 302 return UNKNOWN_ERROR; 303 } 304 305 /* 306 * We want to call main() with a String array with our arguments in it. 307 * Create an array and populate it. 308 */ 309 jclass stringClass; 310 jobjectArray strArray; 311 312 const size_t numArgs = args.size(); 313 stringClass = env->FindClass("java/lang/String"); 314 strArray = env->NewObjectArray(numArgs, stringClass, NULL); 315 316 for (size_t i = 0; i < numArgs; i++) { 317 jstring argStr = env->NewStringUTF(args[i].string()); 318 env->SetObjectArrayElement(strArray, i, argStr); 319 } 320 321 env->CallStaticVoidMethod(clazz, methodId, strArray); 322 return NO_ERROR; 323} 324 325/* 326 * The VM calls this through the "exit" hook. 327 */ 328static void runtime_exit(int code) 329{ 330 gCurRuntime->exit(code); 331} 332 333/* 334 * The VM calls this through the "vfprintf" hook. 335 * 336 * We ignore "fp" and just write the results to the log file. 337 */ 338static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 339{ 340 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 341} 342 343/** 344 * The VM calls this when mutex contention debugging is enabled to 345 * determine whether or not the blocked thread was a "sensitive thread" 346 * for user responsiveness/smoothess. 347 * 348 * Our policy for this is whether or not we're tracing any StrictMode 349 * events on this thread (which we might've inherited via Binder calls 350 * into us) 351 */ 352static bool runtime_isSensitiveThread() { 353 IPCThreadState* state = IPCThreadState::selfOrNull(); 354 return state && state->getStrictModePolicy() != 0; 355} 356 357static int hasDir(const char* dir) 358{ 359 struct stat s; 360 int res = stat(dir, &s); 361 if (res == 0) { 362 return S_ISDIR(s.st_mode); 363 } 364 return 0; 365} 366 367static bool hasFile(const char* file) { 368 struct stat s; 369 int res = stat(file, &s); 370 if (res == 0) { 371 return S_ISREG(s.st_mode); 372 } 373 return false; 374} 375 376// Convenience wrapper over the property API that returns an 377// std::string. 378std::string getProperty(const char* key, const char* defaultValue) { 379 std::vector<char> temp(PROPERTY_VALUE_MAX); 380 const int len = property_get(key, &temp[0], defaultValue); 381 if (len < 0) { 382 return ""; 383 } 384 return std::string(&temp[0], len); 385} 386 387/* 388 * Read the persistent locale. Inspects the following system properties 389 * (in order) and returns the first non-empty property in the list : 390 * 391 * (1) persist.sys.locale 392 * (2) persist.sys.language/country/localevar (country and localevar are 393 * inspected iff. language is non-empty. 394 * (3) ro.product.locale 395 * (4) ro.product.locale.language/region 396 * 397 * Note that we need to inspect persist.sys.language/country/localevar to 398 * preserve language settings for devices that are upgrading from Lollipop 399 * to M. The same goes for ro.product.locale.language/region as well. 400 */ 401const std::string readLocale() 402{ 403 const std::string locale = getProperty("persist.sys.locale", ""); 404 if (!locale.empty()) { 405 return locale; 406 } 407 408 const std::string language = getProperty("persist.sys.language", ""); 409 if (!language.empty()) { 410 const std::string country = getProperty("persist.sys.country", ""); 411 const std::string variant = getProperty("persist.sys.localevar", ""); 412 413 std::string out = language; 414 if (!country.empty()) { 415 out = out + "-" + country; 416 } 417 418 if (!variant.empty()) { 419 out = out + "-" + variant; 420 } 421 422 return out; 423 } 424 425 const std::string productLocale = getProperty("ro.product.locale", ""); 426 if (!productLocale.empty()) { 427 return productLocale; 428 } 429 430 // If persist.sys.locale and ro.product.locale are missing, 431 // construct a locale value from the individual locale components. 432 const std::string productLanguage = getProperty("ro.product.locale.language", "en"); 433 const std::string productRegion = getProperty("ro.product.locale.region", "US"); 434 435 return productLanguage + "-" + productRegion; 436} 437 438void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 439{ 440 JavaVMOption opt; 441 opt.optionString = optionString; 442 opt.extraInfo = extraInfo; 443 mOptions.add(opt); 444} 445 446/* 447 * Parse a property containing space-separated options that should be 448 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 449 * 450 * This will cut up "extraOptsBuf" as we chop it into individual options. 451 * 452 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 453 * 454 * Adds the strings, if any, to mOptions. 455 */ 456void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 457{ 458 char* start = extraOptsBuf; 459 char* end = NULL; 460 while (*start != '\0') { 461 while (*start == ' ') /* skip leading whitespace */ 462 start++; 463 if (*start == '\0') /* was trailing ws, bail */ 464 break; 465 466 end = start+1; 467 while (*end != ' ' && *end != '\0') /* find end of token */ 468 end++; 469 if (*end == ' ') 470 *end++ = '\0'; /* mark end, advance to indicate more */ 471 472 if (quotingArg != NULL) { 473 addOption(quotingArg); 474 } 475 addOption(start); 476 start = end; 477 } 478} 479 480/* 481 * Reads a "property" into "buffer" with a default of "defaultArg". If 482 * the property is non-empty, it is treated as a runtime option such 483 * as "-Xmx32m". 484 * 485 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 486 * 487 * If an argument is found, it is added to mOptions. 488 * 489 * If an option is found, it is added to mOptions and true is 490 * returned. Otherwise false is returned. 491 */ 492bool AndroidRuntime::parseRuntimeOption(const char* property, 493 char* buffer, 494 const char* runtimeArg, 495 const char* defaultArg) 496{ 497 strcpy(buffer, runtimeArg); 498 size_t runtimeArgLen = strlen(runtimeArg); 499 property_get(property, buffer+runtimeArgLen, defaultArg); 500 if (buffer[runtimeArgLen] == '\0') { 501 return false; 502 } 503 addOption(buffer); 504 return true; 505} 506 507/* 508 * Reads a "property" into "buffer". If the property is non-empty, it 509 * is treated as a dex2oat compiler option that should be 510 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 511 * 512 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 513 * 514 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 515 * 516 * If an option is found, it is added to mOptions and true is 517 * returned. Otherwise false is returned. 518 */ 519bool AndroidRuntime::parseCompilerOption(const char* property, 520 char* buffer, 521 const char* compilerArg, 522 const char* quotingArg) 523{ 524 strcpy(buffer, compilerArg); 525 size_t compilerArgLen = strlen(compilerArg); 526 property_get(property, buffer+compilerArgLen, ""); 527 if (buffer[compilerArgLen] == '\0') { 528 return false; 529 } 530 addOption(quotingArg); 531 addOption(buffer); 532 return true; 533} 534 535/* 536 * Reads a "property" into "buffer". If the property is non-empty, it 537 * is treated as a dex2oat compiler runtime option that should be 538 * passed as a quoted option, e.g. "-Ximage-compiler-option 539 * --runtime-arg -Ximage-compiler-option -Xmx32m". 540 * 541 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 542 * 543 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 544 * 545 * If an option is found, it is added to mOptions and true is 546 * returned. Otherwise false is returned. 547 */ 548bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 549 char* buffer, 550 const char* runtimeArg, 551 const char* quotingArg) 552{ 553 strcpy(buffer, runtimeArg); 554 size_t runtimeArgLen = strlen(runtimeArg); 555 property_get(property, buffer+runtimeArgLen, ""); 556 if (buffer[runtimeArgLen] == '\0') { 557 return false; 558 } 559 addOption(quotingArg); 560 addOption("--runtime-arg"); 561 addOption(quotingArg); 562 addOption(buffer); 563 return true; 564} 565 566/* 567 * Start the Dalvik Virtual Machine. 568 * 569 * Various arguments, most determined by system properties, are passed in. 570 * The "mOptions" vector is updated. 571 * 572 * CAUTION: when adding options in here, be careful not to put the 573 * char buffer inside a nested scope. Adding the buffer to the 574 * options using mOptions.add() does not copy the buffer, so if the 575 * buffer goes out of scope the option may be overwritten. It's best 576 * to put the buffer at the top of the function so that it is more 577 * unlikely that someone will surround it in a scope at a later time 578 * and thus introduce a bug. 579 * 580 * Returns 0 on success. 581 */ 582int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote) 583{ 584 JavaVMInitArgs initArgs; 585 char propBuf[PROPERTY_VALUE_MAX]; 586 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 587 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 588 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 589 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 590 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 591 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 592 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 593 char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX]; 594 char jitmaxsizeOptsBuf[sizeof("-Xjitmaxsize:")-1 + PROPERTY_VALUE_MAX]; 595 char jitinitialsizeOptsBuf[sizeof("-Xjitinitialsize:")-1 + PROPERTY_VALUE_MAX]; 596 char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX]; 597 char useJitProfilesOptsBuf[sizeof("-Xjitsaveprofilinginfo:")-1 + PROPERTY_VALUE_MAX]; 598 char jitprithreadweightOptBuf[sizeof("-Xjitprithreadweight:")-1 + PROPERTY_VALUE_MAX]; 599 char jittransitionweightOptBuf[sizeof("-Xjittransitionweight:")-1 + PROPERTY_VALUE_MAX]; 600 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 601 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 602 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 603 char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX]; 604 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 605 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 606 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 607 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 608 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 609 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 610 char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX]; 611 char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX]; 612 char dex2oat_isa_variant_key[PROPERTY_KEY_MAX]; 613 char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX]; 614 char dex2oat_isa_features_key[PROPERTY_KEY_MAX]; 615 char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX]; 616 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 617 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 618 char extraOptsBuf[PROPERTY_VALUE_MAX]; 619 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 620 enum { 621 kEMDefault, 622 kEMIntPortable, 623 kEMIntFast, 624 kEMJitCompiler, 625 } executionMode = kEMDefault; 626 char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX]; 627 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 628 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 629 char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX]; 630 char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX]; 631 char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX]; 632 char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX]; 633 634 bool checkJni = false; 635 property_get("dalvik.vm.checkjni", propBuf, ""); 636 if (strcmp(propBuf, "true") == 0) { 637 checkJni = true; 638 } else if (strcmp(propBuf, "false") != 0) { 639 /* property is neither true nor false; fall back on kernel parameter */ 640 property_get("ro.kernel.android.checkjni", propBuf, ""); 641 if (propBuf[0] == '1') { 642 checkJni = true; 643 } 644 } 645 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 646 if (checkJni) { 647 /* extended JNI checking */ 648 addOption("-Xcheck:jni"); 649 650 /* with -Xcheck:jni, this provides a JNI function call trace */ 651 //addOption("-verbose:jni"); 652 } 653 654 property_get("dalvik.vm.execution-mode", propBuf, ""); 655 if (strcmp(propBuf, "int:portable") == 0) { 656 executionMode = kEMIntPortable; 657 } else if (strcmp(propBuf, "int:fast") == 0) { 658 executionMode = kEMIntFast; 659 } else if (strcmp(propBuf, "int:jit") == 0) { 660 executionMode = kEMJitCompiler; 661 } 662 663 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 664 665 strcpy(jniOptsBuf, "-Xjniopts:"); 666 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 667 ALOGI("JNI options: '%s'\n", jniOptsBuf); 668 } 669 670 /* route exit() to our handler */ 671 addOption("exit", (void*) runtime_exit); 672 673 /* route fprintf() to our handler */ 674 addOption("vfprintf", (void*) runtime_vfprintf); 675 676 /* register the framework-specific "is sensitive thread" hook */ 677 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 678 679 /* enable verbose; standard options are { jni, gc, class } */ 680 //addOption("-verbose:jni"); 681 addOption("-verbose:gc"); 682 //addOption("-verbose:class"); 683 684 /* 685 * The default starting and maximum size of the heap. Larger 686 * values should be specified in a product property override. 687 */ 688 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 689 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 690 691 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 692 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 693 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 694 parseRuntimeOption("dalvik.vm.heaptargetutilization", 695 heaptargetutilizationOptsBuf, 696 "-XX:HeapTargetUtilization="); 697 698 /* 699 * JIT related options. 700 */ 701 parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:"); 702 parseRuntimeOption("dalvik.vm.jitmaxsize", jitmaxsizeOptsBuf, "-Xjitmaxsize:"); 703 parseRuntimeOption("dalvik.vm.jitinitialsize", jitinitialsizeOptsBuf, "-Xjitinitialsize:"); 704 parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:"); 705 property_get("dalvik.vm.usejitprofiles", useJitProfilesOptsBuf, ""); 706 if (strcmp(useJitProfilesOptsBuf, "true") == 0) { 707 addOption("-Xjitsaveprofilinginfo"); 708 } 709 710 parseRuntimeOption("dalvik.vm.jitprithreadweight", 711 jitprithreadweightOptBuf, 712 "-Xjitprithreadweight:"); 713 714 parseRuntimeOption("dalvik.vm.jittransitionweight", 715 jittransitionweightOptBuf, 716 "-Xjittransitionweight:"); 717 718 property_get("ro.config.low_ram", propBuf, ""); 719 if (strcmp(propBuf, "true") == 0) { 720 addOption("-XX:LowMemoryMode"); 721 } 722 723 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 724 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 725 726 /* 727 * Enable debugging only for apps forked from zygote. 728 * Set suspend=y to pause during VM init and use android ADB transport. 729 */ 730 if (zygote) { 731 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 732 } 733 734 parseRuntimeOption("dalvik.vm.lockprof.threshold", 735 lockProfThresholdBuf, 736 "-Xlockprofthreshold:"); 737 738 if (executionMode == kEMIntPortable) { 739 addOption("-Xint:portable"); 740 } else if (executionMode == kEMIntFast) { 741 addOption("-Xint:fast"); 742 } else if (executionMode == kEMJitCompiler) { 743 addOption("-Xint:jit"); 744 } 745 746 // If we are booting without the real /data, don't spend time compiling. 747 property_get("vold.decrypt", voldDecryptBuf, ""); 748 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 749 (strcmp(voldDecryptBuf, "1") == 0)); 750 751 // Extra options for boot.art/boot.oat image generation. 752 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 753 "-Xms", "-Ximage-compiler-option"); 754 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 755 "-Xmx", "-Ximage-compiler-option"); 756 if (skip_compilation) { 757 addOption("-Ximage-compiler-option"); 758 addOption("--compiler-filter=verify-none"); 759 } else { 760 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 761 "--compiler-filter=", "-Ximage-compiler-option"); 762 } 763 764 // Make sure there is a preloaded-classes file. 765 if (!hasFile("/system/etc/preloaded-classes")) { 766 ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n", 767 strerror(errno)); 768 return -1; 769 } 770 addOption("-Ximage-compiler-option"); 771 addOption("--image-classes=/system/etc/preloaded-classes"); 772 773 // If there is a compiled-classes file, push it. 774 if (hasFile("/system/etc/compiled-classes")) { 775 addOption("-Ximage-compiler-option"); 776 addOption("--compiled-classes=/system/etc/compiled-classes"); 777 } 778 779 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 780 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 781 782 // Extra options for DexClassLoader. 783 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 784 "-Xms", "-Xcompiler-option"); 785 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 786 "-Xmx", "-Xcompiler-option"); 787 if (skip_compilation) { 788 addOption("-Xcompiler-option"); 789 addOption("--compiler-filter=verify-none"); 790 791 // We skip compilation when a minimal runtime is brought up for decryption. In that case 792 // /data is temporarily backed by a tmpfs, which is usually small. 793 // If the system image contains prebuilts, they will be relocated into the tmpfs. In this 794 // specific situation it is acceptable to *not* relocate and run out of the prebuilts 795 // directly instead. 796 addOption("--runtime-arg"); 797 addOption("-Xnorelocate"); 798 } else { 799 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 800 "--compiler-filter=", "-Xcompiler-option"); 801 } 802 parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option"); 803 parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j", 804 "-Ximage-compiler-option"); 805 806 // The runtime will compile a boot image, when necessary, not using installd. Thus, we need to 807 // pass the instruction-set-features/variant as an image-compiler-option. 808 // TODO: Find a better way for the instruction-set. 809#if defined(__arm__) 810 constexpr const char* instruction_set = "arm"; 811#elif defined(__aarch64__) 812 constexpr const char* instruction_set = "arm64"; 813#elif defined(__mips__) && !defined(__LP64__) 814 constexpr const char* instruction_set = "mips"; 815#elif defined(__mips__) && defined(__LP64__) 816 constexpr const char* instruction_set = "mips64"; 817#elif defined(__i386__) 818 constexpr const char* instruction_set = "x86"; 819#elif defined(__x86_64__) 820 constexpr const char* instruction_set = "x86_64"; 821#else 822 constexpr const char* instruction_set = "unknown"; 823#endif 824 // Note: it is OK to reuse the buffer, as the values are exactly the same between 825 // * compiler-option, used for runtime compilation (DexClassLoader) 826 // * image-compiler-option, used for boot-image compilation on device 827 828 // Copy the variant. 829 sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set); 830 parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant, 831 "--instruction-set-variant=", "-Ximage-compiler-option"); 832 parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant, 833 "--instruction-set-variant=", "-Xcompiler-option"); 834 // Copy the features. 835 sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set); 836 parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features, 837 "--instruction-set-features=", "-Ximage-compiler-option"); 838 parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features, 839 "--instruction-set-features=", "-Xcompiler-option"); 840 841 842 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 843 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 844 845 /* extra options; parse this late so it overrides others */ 846 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 847 parseExtraOpts(extraOptsBuf, NULL); 848 849 /* Set the properties for locale */ 850 { 851 strcpy(localeOption, "-Duser.locale="); 852 const std::string locale = readLocale(); 853 strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX); 854 addOption(localeOption); 855 } 856 857 // Trace files are stored in /data/misc/trace which is writable only in debug mode. 858 property_get("ro.debuggable", propBuf, "0"); 859 if (strcmp(propBuf, "1") == 0) { 860 property_get("dalvik.vm.method-trace", propBuf, "false"); 861 if (strcmp(propBuf, "true") == 0) { 862 addOption("-Xmethod-trace"); 863 parseRuntimeOption("dalvik.vm.method-trace-file", 864 methodTraceFileBuf, 865 "-Xmethod-trace-file:"); 866 parseRuntimeOption("dalvik.vm.method-trace-file-siz", 867 methodTraceFileSizeBuf, 868 "-Xmethod-trace-file-size:"); 869 property_get("dalvik.vm.method-trace-stream", propBuf, "false"); 870 if (strcmp(propBuf, "true") == 0) { 871 addOption("-Xmethod-trace-stream"); 872 } 873 } 874 } 875 876 // Native bridge library. "0" means that native bridge is disabled. 877 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 878 if (propBuf[0] == '\0') { 879 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 880 } else if (strcmp(propBuf, "0") != 0) { 881 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 882 "-XX:NativeBridge=%s", propBuf); 883 addOption(nativeBridgeLibrary); 884 } 885 886#if defined(__LP64__) 887 const char* cpu_abilist_property_name = "ro.product.cpu.abilist64"; 888#else 889 const char* cpu_abilist_property_name = "ro.product.cpu.abilist32"; 890#endif // defined(__LP64__) 891 property_get(cpu_abilist_property_name, propBuf, ""); 892 if (propBuf[0] == '\0') { 893 ALOGE("%s is not expected to be empty", cpu_abilist_property_name); 894 return -1; 895 } 896 snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf); 897 addOption(cpuAbiListBuf); 898 899 // Dalvik-cache pruning counter. 900 parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf, 901 "-Xzygote-max-boot-retry="); 902 903 /* 904 * When running with debug.generate-debug-info, add --generate-debug-info to 905 * the compiler options so that the boot image, if it is compiled on device, 906 * will include native debugging information. 907 */ 908 property_get("debug.generate-debug-info", propBuf, ""); 909 if (strcmp(propBuf, "true") == 0) { 910 addOption("-Xcompiler-option"); 911 addOption("--generate-debug-info"); 912 addOption("-Ximage-compiler-option"); 913 addOption("--generate-debug-info"); 914 } 915 916 /* 917 * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will 918 * contain the fingerprint and can be parsed. 919 */ 920 parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:"); 921 922 initArgs.version = JNI_VERSION_1_4; 923 initArgs.options = mOptions.editArray(); 924 initArgs.nOptions = mOptions.size(); 925 initArgs.ignoreUnrecognized = JNI_FALSE; 926 927 /* 928 * Initialize the VM. 929 * 930 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 931 * If this call succeeds, the VM is ready, and we can start issuing 932 * JNI calls. 933 */ 934 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 935 ALOGE("JNI_CreateJavaVM failed\n"); 936 return -1; 937 } 938 939 return 0; 940} 941 942char* AndroidRuntime::toSlashClassName(const char* className) 943{ 944 char* result = strdup(className); 945 for (char* cp = result; *cp != '\0'; cp++) { 946 if (*cp == '.') { 947 *cp = '/'; 948 } 949 } 950 return result; 951} 952 953/** Create a Java string from an ASCII or Latin-1 string */ 954jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) { 955 if (!bytes) return NULL; 956 int length = strlen(bytes); 957 jchar* buffer = (jchar *)alloca(length * sizeof(jchar)); 958 if (!buffer) return NULL; 959 jchar* chp = buffer; 960 for (int i = 0; i < length; i++) { 961 *chp++ = *bytes++; 962 } 963 return env->NewString(buffer, length); 964} 965 966 967/* 968 * Start the Android runtime. This involves starting the virtual machine 969 * and calling the "static void main(String[] args)" method in the class 970 * named by "className". 971 * 972 * Passes the main function two arguments, the class name and the specified 973 * options string. 974 */ 975void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote) 976{ 977 ALOGD(">>>>>> START %s uid %d <<<<<<\n", 978 className != NULL ? className : "(unknown)", getuid()); 979 980 static const String8 startSystemServer("start-system-server"); 981 982 /* 983 * 'startSystemServer == true' means runtime is obsolete and not run from 984 * init.rc anymore, so we print out the boot start event here. 985 */ 986 for (size_t i = 0; i < options.size(); ++i) { 987 if (options[i] == startSystemServer) { 988 /* track our progress through the boot sequence */ 989 const int LOG_BOOT_PROGRESS_START = 3000; 990 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 991 } 992 } 993 994 const char* rootDir = getenv("ANDROID_ROOT"); 995 if (rootDir == NULL) { 996 rootDir = "/system"; 997 if (!hasDir("/system")) { 998 LOG_FATAL("No root directory specified, and /android does not exist."); 999 return; 1000 } 1001 setenv("ANDROID_ROOT", rootDir, 1); 1002 } 1003 1004 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 1005 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 1006 1007 /* start the virtual machine */ 1008 JniInvocation jni_invocation; 1009 jni_invocation.Init(NULL); 1010 JNIEnv* env; 1011 if (startVm(&mJavaVM, &env, zygote) != 0) { 1012 return; 1013 } 1014 onVmCreated(env); 1015 1016 /* 1017 * Register android functions. 1018 */ 1019 if (startReg(env) < 0) { 1020 ALOGE("Unable to register all android natives\n"); 1021 return; 1022 } 1023 1024 /* 1025 * We want to call main() with a String array with arguments in it. 1026 * At present we have two arguments, the class name and an option string. 1027 * Create an array to hold them. 1028 */ 1029 jclass stringClass; 1030 jobjectArray strArray; 1031 jstring classNameStr; 1032 1033 stringClass = env->FindClass("java/lang/String"); 1034 assert(stringClass != NULL); 1035 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 1036 assert(strArray != NULL); 1037 classNameStr = env->NewStringUTF(className); 1038 assert(classNameStr != NULL); 1039 env->SetObjectArrayElement(strArray, 0, classNameStr); 1040 1041 for (size_t i = 0; i < options.size(); ++i) { 1042 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 1043 assert(optionsStr != NULL); 1044 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 1045 } 1046 1047 /* 1048 * Start VM. This thread becomes the main thread of the VM, and will 1049 * not return until the VM exits. 1050 */ 1051 char* slashClassName = toSlashClassName(className); 1052 jclass startClass = env->FindClass(slashClassName); 1053 if (startClass == NULL) { 1054 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1055 /* keep going */ 1056 } else { 1057 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1058 "([Ljava/lang/String;)V"); 1059 if (startMeth == NULL) { 1060 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1061 /* keep going */ 1062 } else { 1063 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1064 1065#if 0 1066 if (env->ExceptionCheck()) 1067 threadExitUncaughtException(env); 1068#endif 1069 } 1070 } 1071 free(slashClassName); 1072 1073 ALOGD("Shutting down VM\n"); 1074 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1075 ALOGW("Warning: unable to detach main thread\n"); 1076 if (mJavaVM->DestroyJavaVM() != 0) 1077 ALOGW("Warning: VM did not shut down cleanly\n"); 1078} 1079 1080void AndroidRuntime::exit(int code) 1081{ 1082 if (mExitWithoutCleanup) { 1083 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1084 ::_exit(code); 1085 } else { 1086 ALOGI("VM exiting with result code %d.", code); 1087 onExit(code); 1088 ::exit(code); 1089 } 1090} 1091 1092void AndroidRuntime::onVmCreated(JNIEnv* env) 1093{ 1094 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1095} 1096 1097/* 1098 * Get the JNIEnv pointer for this thread. 1099 * 1100 * Returns NULL if the slot wasn't allocated or populated. 1101 */ 1102/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1103{ 1104 JNIEnv* env; 1105 JavaVM* vm = AndroidRuntime::getJavaVM(); 1106 assert(vm != NULL); 1107 1108 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1109 return NULL; 1110 return env; 1111} 1112 1113/* 1114 * Makes the current thread visible to the VM. 1115 * 1116 * The JNIEnv pointer returned is only valid for the current thread, and 1117 * thus must be tucked into thread-local storage. 1118 */ 1119static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1120{ 1121 JavaVMAttachArgs args; 1122 JavaVM* vm; 1123 jint result; 1124 1125 vm = AndroidRuntime::getJavaVM(); 1126 assert(vm != NULL); 1127 1128 args.version = JNI_VERSION_1_4; 1129 args.name = (char*) threadName; 1130 args.group = NULL; 1131 1132 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1133 if (result != JNI_OK) 1134 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1135 1136 return result; 1137} 1138 1139/* 1140 * Detach the current thread from the set visible to the VM. 1141 */ 1142static int javaDetachThread(void) 1143{ 1144 JavaVM* vm; 1145 jint result; 1146 1147 vm = AndroidRuntime::getJavaVM(); 1148 assert(vm != NULL); 1149 1150 result = vm->DetachCurrentThread(); 1151 if (result != JNI_OK) 1152 ALOGE("ERROR: thread detach failed\n"); 1153 return result; 1154} 1155 1156/* 1157 * When starting a native thread that will be visible from the VM, we 1158 * bounce through this to get the right attach/detach action. 1159 * Note that this function calls free(args) 1160 */ 1161/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1162 void* start = ((void**)args)[0]; 1163 void* userData = ((void **)args)[1]; 1164 char* name = (char*) ((void **)args)[2]; // we own this storage 1165 free(args); 1166 JNIEnv* env; 1167 int result; 1168 1169 /* hook us into the VM */ 1170 if (javaAttachThread(name, &env) != JNI_OK) 1171 return -1; 1172 1173 /* start the thread running */ 1174 result = (*(android_thread_func_t)start)(userData); 1175 1176 /* unhook us */ 1177 javaDetachThread(); 1178 free(name); 1179 1180 return result; 1181} 1182 1183/* 1184 * This is invoked from androidCreateThreadEtc() via the callback 1185 * set with androidSetCreateThreadFunc(). 1186 * 1187 * We need to create the new thread in such a way that it gets hooked 1188 * into the VM before it really starts executing. 1189 */ 1190/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1191 android_thread_func_t entryFunction, 1192 void* userData, 1193 const char* threadName, 1194 int32_t threadPriority, 1195 size_t threadStackSize, 1196 android_thread_id_t* threadId) 1197{ 1198 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1199 int result; 1200 1201 LOG_ALWAYS_FATAL_IF(threadName == nullptr, "threadName not provided to javaCreateThreadEtc"); 1202 1203 args[0] = (void*) entryFunction; 1204 args[1] = userData; 1205 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1206 1207 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1208 threadName, threadPriority, threadStackSize, threadId); 1209 return result; 1210} 1211 1212/* 1213 * Create a thread that is visible from the VM. 1214 * 1215 * This is called from elsewhere in the library. 1216 */ 1217/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1218 void (*start)(void *), void* arg) 1219{ 1220 android_thread_id_t threadId = 0; 1221 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1222 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1223 return threadId; 1224} 1225 1226#if 0 1227static void quickTest(void* arg) 1228{ 1229 const char* str = (const char*) arg; 1230 1231 printf("In quickTest: %s\n", str); 1232} 1233#endif 1234 1235#ifdef NDEBUG 1236 #define REG_JNI(name) { name } 1237 struct RegJNIRec { 1238 int (*mProc)(JNIEnv*); 1239 }; 1240#else 1241 #define REG_JNI(name) { name, #name } 1242 struct RegJNIRec { 1243 int (*mProc)(JNIEnv*); 1244 const char* mName; 1245 }; 1246#endif 1247 1248typedef void (*RegJAMProc)(); 1249 1250static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1251{ 1252 for (size_t i = 0; i < count; i++) { 1253 if (array[i].mProc(env) < 0) { 1254#ifndef NDEBUG 1255 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1256#endif 1257 return -1; 1258 } 1259 } 1260 return 0; 1261} 1262 1263static const RegJNIRec gRegJNI[] = { 1264 REG_JNI(register_com_android_internal_os_RuntimeInit), 1265 REG_JNI(register_android_os_SystemClock), 1266 REG_JNI(register_android_util_EventLog), 1267 REG_JNI(register_android_util_Log), 1268 REG_JNI(register_android_util_MemoryIntArray), 1269 REG_JNI(register_android_util_PathParser), 1270 REG_JNI(register_android_app_admin_SecurityLog), 1271 REG_JNI(register_android_content_AssetManager), 1272 REG_JNI(register_android_content_StringBlock), 1273 REG_JNI(register_android_content_XmlBlock), 1274 REG_JNI(register_android_text_AndroidCharacter), 1275 REG_JNI(register_android_text_StaticLayout), 1276 REG_JNI(register_android_text_AndroidBidi), 1277 REG_JNI(register_android_view_InputDevice), 1278 REG_JNI(register_android_view_KeyCharacterMap), 1279 REG_JNI(register_android_os_Process), 1280 REG_JNI(register_android_os_SystemProperties), 1281 REG_JNI(register_android_os_Binder), 1282 REG_JNI(register_android_os_Parcel), 1283 REG_JNI(register_android_nio_utils), 1284 REG_JNI(register_android_graphics_Canvas), 1285 REG_JNI(register_android_graphics_Graphics), 1286 REG_JNI(register_android_view_DisplayEventReceiver), 1287 REG_JNI(register_android_view_RenderNode), 1288 REG_JNI(register_android_view_RenderNodeAnimator), 1289 REG_JNI(register_android_view_GraphicBuffer), 1290 REG_JNI(register_android_view_DisplayListCanvas), 1291 REG_JNI(register_android_view_HardwareLayer), 1292 REG_JNI(register_android_view_ThreadedRenderer), 1293 REG_JNI(register_android_view_Surface), 1294 REG_JNI(register_android_view_SurfaceControl), 1295 REG_JNI(register_android_view_SurfaceSession), 1296 REG_JNI(register_android_view_TextureView), 1297 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1298 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1299 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1300 REG_JNI(register_android_opengl_jni_EGL14), 1301 REG_JNI(register_android_opengl_jni_EGLExt), 1302 REG_JNI(register_android_opengl_jni_GLES10), 1303 REG_JNI(register_android_opengl_jni_GLES10Ext), 1304 REG_JNI(register_android_opengl_jni_GLES11), 1305 REG_JNI(register_android_opengl_jni_GLES11Ext), 1306 REG_JNI(register_android_opengl_jni_GLES20), 1307 REG_JNI(register_android_opengl_jni_GLES30), 1308 REG_JNI(register_android_opengl_jni_GLES31), 1309 REG_JNI(register_android_opengl_jni_GLES31Ext), 1310 REG_JNI(register_android_opengl_jni_GLES32), 1311 1312 REG_JNI(register_android_graphics_Bitmap), 1313 REG_JNI(register_android_graphics_BitmapFactory), 1314 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1315 REG_JNI(register_android_graphics_Camera), 1316 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1317 REG_JNI(register_android_graphics_CanvasProperty), 1318 REG_JNI(register_android_graphics_ColorFilter), 1319 REG_JNI(register_android_graphics_DrawFilter), 1320 REG_JNI(register_android_graphics_FontFamily), 1321 REG_JNI(register_android_graphics_Interpolator), 1322 REG_JNI(register_android_graphics_LayerRasterizer), 1323 REG_JNI(register_android_graphics_MaskFilter), 1324 REG_JNI(register_android_graphics_Matrix), 1325 REG_JNI(register_android_graphics_Movie), 1326 REG_JNI(register_android_graphics_NinePatch), 1327 REG_JNI(register_android_graphics_Paint), 1328 REG_JNI(register_android_graphics_Path), 1329 REG_JNI(register_android_graphics_PathMeasure), 1330 REG_JNI(register_android_graphics_PathEffect), 1331 REG_JNI(register_android_graphics_Picture), 1332 REG_JNI(register_android_graphics_PorterDuff), 1333 REG_JNI(register_android_graphics_Rasterizer), 1334 REG_JNI(register_android_graphics_Region), 1335 REG_JNI(register_android_graphics_Shader), 1336 REG_JNI(register_android_graphics_SurfaceTexture), 1337 REG_JNI(register_android_graphics_Typeface), 1338 REG_JNI(register_android_graphics_Xfermode), 1339 REG_JNI(register_android_graphics_YuvImage), 1340 REG_JNI(register_android_graphics_drawable_AnimatedVectorDrawable), 1341 REG_JNI(register_android_graphics_drawable_VectorDrawable), 1342 REG_JNI(register_android_graphics_pdf_PdfDocument), 1343 REG_JNI(register_android_graphics_pdf_PdfEditor), 1344 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1345 1346 REG_JNI(register_android_database_CursorWindow), 1347 REG_JNI(register_android_database_SQLiteConnection), 1348 REG_JNI(register_android_database_SQLiteGlobal), 1349 REG_JNI(register_android_database_SQLiteDebug), 1350 REG_JNI(register_android_os_Debug), 1351 REG_JNI(register_android_os_FileObserver), 1352 REG_JNI(register_android_os_GraphicsEnvironment), 1353 REG_JNI(register_android_os_MessageQueue), 1354 REG_JNI(register_android_os_SELinux), 1355 REG_JNI(register_android_os_Trace), 1356 REG_JNI(register_android_os_UEventObserver), 1357 REG_JNI(register_android_net_LocalSocketImpl), 1358 REG_JNI(register_android_net_NetworkUtils), 1359 REG_JNI(register_android_net_TrafficStats), 1360 REG_JNI(register_android_os_MemoryFile), 1361 REG_JNI(register_com_android_internal_os_PathClassLoaderFactory), 1362 REG_JNI(register_com_android_internal_os_Zygote), 1363 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1364 REG_JNI(register_android_hardware_Camera), 1365 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1366 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1367 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1368 REG_JNI(register_android_hardware_camera2_DngCreator), 1369 REG_JNI(register_android_hardware_Radio), 1370 REG_JNI(register_android_hardware_SensorManager), 1371 REG_JNI(register_android_hardware_SerialPort), 1372 REG_JNI(register_android_hardware_SoundTrigger), 1373 REG_JNI(register_android_hardware_UsbDevice), 1374 REG_JNI(register_android_hardware_UsbDeviceConnection), 1375 REG_JNI(register_android_hardware_UsbRequest), 1376 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1377 REG_JNI(register_android_hardware_location_ContextHubService), 1378 REG_JNI(register_android_media_AudioRecord), 1379 REG_JNI(register_android_media_AudioSystem), 1380 REG_JNI(register_android_media_AudioTrack), 1381 REG_JNI(register_android_media_JetPlayer), 1382 REG_JNI(register_android_media_RemoteDisplay), 1383 REG_JNI(register_android_media_ToneGenerator), 1384 1385 REG_JNI(register_android_opengl_classes), 1386 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1387 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1388 REG_JNI(register_android_backup_BackupDataInput), 1389 REG_JNI(register_android_backup_BackupDataOutput), 1390 REG_JNI(register_android_backup_FileBackupHelperBase), 1391 REG_JNI(register_android_backup_BackupHelperDispatcher), 1392 REG_JNI(register_android_app_backup_FullBackup), 1393 REG_JNI(register_android_app_Activity), 1394 REG_JNI(register_android_app_ActivityThread), 1395 REG_JNI(register_android_app_ApplicationLoaders), 1396 REG_JNI(register_android_app_NativeActivity), 1397 REG_JNI(register_android_util_jar_StrictJarFile), 1398 REG_JNI(register_android_view_InputChannel), 1399 REG_JNI(register_android_view_InputEventReceiver), 1400 REG_JNI(register_android_view_InputEventSender), 1401 REG_JNI(register_android_view_InputQueue), 1402 REG_JNI(register_android_view_KeyEvent), 1403 REG_JNI(register_android_view_MotionEvent), 1404 REG_JNI(register_android_view_PointerIcon), 1405 REG_JNI(register_android_view_VelocityTracker), 1406 1407 REG_JNI(register_android_content_res_ObbScanner), 1408 REG_JNI(register_android_content_res_Configuration), 1409 1410 REG_JNI(register_android_animation_PropertyValuesHolder), 1411 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1412 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1413 1414}; 1415 1416/* 1417 * Register android native functions with the VM. 1418 */ 1419/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1420{ 1421 ATRACE_NAME("RegisterAndroidNatives"); 1422 /* 1423 * This hook causes all future threads created in this process to be 1424 * attached to the JavaVM. (This needs to go away in favor of JNI 1425 * Attach calls.) 1426 */ 1427 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1428 1429 ALOGV("--- registering native functions ---\n"); 1430 1431 /* 1432 * Every "register" function calls one or more things that return 1433 * a local reference (e.g. FindClass). Because we haven't really 1434 * started the VM yet, they're all getting stored in the base frame 1435 * and never released. Use Push/Pop to manage the storage. 1436 */ 1437 env->PushLocalFrame(200); 1438 1439 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1440 env->PopLocalFrame(NULL); 1441 return -1; 1442 } 1443 env->PopLocalFrame(NULL); 1444 1445 //createJavaThread("fubar", quickTest, (void*) "hello"); 1446 1447 return 0; 1448} 1449 1450AndroidRuntime* AndroidRuntime::getRuntime() 1451{ 1452 return gCurRuntime; 1453} 1454 1455/** 1456 * Used by surface flinger's DdmConnection to register native methods from 1457 * the framework. 1458 */ 1459extern "C" jint registerFrameworkNatives(JNIEnv* env) { 1460 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1461} 1462} // namespace android 1463