AndroidRuntime.cpp revision b57dd722f1dc0663417da37d3a82f8283ad3c982
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); 83 84extern int register_android_hardware_Camera(JNIEnv *env); 85extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env); 86extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env); 87extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env); 88extern int register_android_hardware_camera2_DngCreator(JNIEnv *env); 89extern int register_android_hardware_Radio(JNIEnv *env); 90extern int register_android_hardware_SensorManager(JNIEnv *env); 91extern int register_android_hardware_SerialPort(JNIEnv *env); 92extern int register_android_hardware_SoundTrigger(JNIEnv *env); 93extern int register_android_hardware_UsbDevice(JNIEnv *env); 94extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env); 95extern int register_android_hardware_UsbRequest(JNIEnv *env); 96extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env); 97 98extern int register_android_media_AudioRecord(JNIEnv *env); 99extern int register_android_media_AudioSystem(JNIEnv *env); 100extern int register_android_media_AudioTrack(JNIEnv *env); 101extern int register_android_media_JetPlayer(JNIEnv *env); 102extern int register_android_media_ToneGenerator(JNIEnv *env); 103 104namespace android { 105 106/* 107 * JNI-based registration functions. Note these are properly contained in 108 * namespace android. 109 */ 110extern int register_android_content_AssetManager(JNIEnv* env); 111extern int register_android_util_EventLog(JNIEnv* env); 112extern int register_android_util_Log(JNIEnv* env); 113extern int register_android_content_StringBlock(JNIEnv* env); 114extern int register_android_content_XmlBlock(JNIEnv* env); 115extern int register_android_emoji_EmojiFactory(JNIEnv* env); 116extern int register_android_graphics_Canvas(JNIEnv* env); 117extern int register_android_graphics_CanvasProperty(JNIEnv* env); 118extern int register_android_graphics_ColorFilter(JNIEnv* env); 119extern int register_android_graphics_DrawFilter(JNIEnv* env); 120extern int register_android_graphics_FontFamily(JNIEnv* env); 121extern int register_android_graphics_LayerRasterizer(JNIEnv*); 122extern int register_android_graphics_Matrix(JNIEnv* env); 123extern int register_android_graphics_Paint(JNIEnv* env); 124extern int register_android_graphics_Path(JNIEnv* env); 125extern int register_android_graphics_PathMeasure(JNIEnv* env); 126extern int register_android_graphics_Picture(JNIEnv*); 127extern int register_android_graphics_PorterDuff(JNIEnv* env); 128extern int register_android_graphics_Rasterizer(JNIEnv* env); 129extern int register_android_graphics_Region(JNIEnv* env); 130extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 131extern int register_android_graphics_Xfermode(JNIEnv* env); 132extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env); 133extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env); 134extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env); 135extern int register_android_view_DisplayEventReceiver(JNIEnv* env); 136extern int register_android_view_DisplayListCanvas(JNIEnv* env); 137extern int register_android_view_GraphicBuffer(JNIEnv* env); 138extern int register_android_view_HardwareLayer(JNIEnv* env); 139extern int register_android_view_RenderNode(JNIEnv* env); 140extern int register_android_view_RenderNodeAnimator(JNIEnv* env); 141extern int register_android_view_Surface(JNIEnv* env); 142extern int register_android_view_SurfaceControl(JNIEnv* env); 143extern int register_android_view_SurfaceSession(JNIEnv* env); 144extern int register_android_view_TextureView(JNIEnv* env); 145extern int register_android_view_ThreadedRenderer(JNIEnv* env); 146extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env); 147extern int register_android_database_CursorWindow(JNIEnv* env); 148extern int register_android_database_SQLiteConnection(JNIEnv* env); 149extern int register_android_database_SQLiteGlobal(JNIEnv* env); 150extern int register_android_database_SQLiteDebug(JNIEnv* env); 151extern int register_android_nio_utils(JNIEnv* env); 152extern int register_android_os_Debug(JNIEnv* env); 153extern int register_android_os_MessageQueue(JNIEnv* env); 154extern int register_android_os_Parcel(JNIEnv* env); 155extern int register_android_os_SELinux(JNIEnv* env); 156extern int register_android_os_SystemProperties(JNIEnv *env); 157extern int register_android_os_SystemClock(JNIEnv* env); 158extern int register_android_os_Trace(JNIEnv* env); 159extern int register_android_os_FileObserver(JNIEnv *env); 160extern int register_android_os_UEventObserver(JNIEnv* env); 161extern int register_android_os_MemoryFile(JNIEnv* env); 162extern int register_android_net_LocalSocketImpl(JNIEnv* env); 163extern int register_android_net_NetworkUtils(JNIEnv* env); 164extern int register_android_net_TrafficStats(JNIEnv* env); 165extern int register_android_text_AndroidCharacter(JNIEnv *env); 166extern int register_android_text_StaticLayout(JNIEnv *env); 167extern int register_android_text_AndroidBidi(JNIEnv *env); 168extern int register_android_opengl_classes(JNIEnv *env); 169extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 170extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env); 171extern int register_android_backup_BackupDataInput(JNIEnv *env); 172extern int register_android_backup_BackupDataOutput(JNIEnv *env); 173extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 174extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 175extern int register_android_app_backup_FullBackup(JNIEnv *env); 176extern int register_android_app_ActivityThread(JNIEnv *env); 177extern int register_android_app_NativeActivity(JNIEnv *env); 178extern int register_android_media_RemoteDisplay(JNIEnv *env); 179extern int register_android_view_InputChannel(JNIEnv* env); 180extern int register_android_view_InputDevice(JNIEnv* env); 181extern int register_android_view_InputEventReceiver(JNIEnv* env); 182extern int register_android_view_InputEventSender(JNIEnv* env); 183extern int register_android_view_InputQueue(JNIEnv* env); 184extern int register_android_view_KeyCharacterMap(JNIEnv *env); 185extern int register_android_view_KeyEvent(JNIEnv* env); 186extern int register_android_view_MotionEvent(JNIEnv* env); 187extern int register_android_view_PointerIcon(JNIEnv* env); 188extern int register_android_view_VelocityTracker(JNIEnv* env); 189extern int register_android_content_res_ObbScanner(JNIEnv* env); 190extern int register_android_content_res_Configuration(JNIEnv* env); 191extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 192extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 193extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env); 194extern int register_com_android_internal_os_Zygote(JNIEnv *env); 195extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env); 196 197static AndroidRuntime* gCurRuntime = NULL; 198 199/* 200 * Code written in the Java Programming Language calls here from main(). 201 */ 202static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 203{ 204 gCurRuntime->onStarted(); 205} 206 207static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 208{ 209 gCurRuntime->onZygoteInit(); 210} 211 212static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 213 jobject clazz, jboolean exitWithoutCleanup) 214{ 215 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 216} 217 218/* 219 * JNI registration. 220 */ 221static const JNINativeMethod gMethods[] = { 222 { "nativeFinishInit", "()V", 223 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 224 { "nativeZygoteInit", "()V", 225 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 226 { "nativeSetExitWithoutCleanup", "(Z)V", 227 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 228}; 229 230int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 231{ 232 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 233 gMethods, NELEM(gMethods)); 234} 235 236// ---------------------------------------------------------------------- 237 238/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 239 240AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) : 241 mExitWithoutCleanup(false), 242 mArgBlockStart(argBlockStart), 243 mArgBlockLength(argBlockLength) 244{ 245 SkGraphics::Init(); 246 // There is also a global font cache, but its budget is specified by 247 // SK_DEFAULT_FONT_CACHE_COUNT_LIMIT and SK_DEFAULT_FONT_CACHE_LIMIT. 248 249 // Pre-allocate enough space to hold a fair number of options. 250 mOptions.setCapacity(20); 251 252 assert(gCurRuntime == NULL); // one per process 253 gCurRuntime = this; 254} 255 256AndroidRuntime::~AndroidRuntime() 257{ 258 SkGraphics::Term(); 259} 260 261/* 262 * Register native methods using JNI. 263 */ 264/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 265 const char* className, const JNINativeMethod* gMethods, int numMethods) 266{ 267 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 268} 269 270void AndroidRuntime::setArgv0(const char* argv0) { 271 memset(mArgBlockStart, 0, mArgBlockLength); 272 strlcpy(mArgBlockStart, argv0, mArgBlockLength); 273} 274 275status_t AndroidRuntime::callMain(const String8& className, jclass clazz, 276 const Vector<String8>& args) 277{ 278 JNIEnv* env; 279 jmethodID methodId; 280 281 ALOGD("Calling main entry %s", className.string()); 282 283 env = getJNIEnv(); 284 if (clazz == NULL || env == NULL) { 285 return UNKNOWN_ERROR; 286 } 287 288 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 289 if (methodId == NULL) { 290 ALOGE("ERROR: could not find method %s.main(String[])\n", className.string()); 291 return UNKNOWN_ERROR; 292 } 293 294 /* 295 * We want to call main() with a String array with our arguments in it. 296 * Create an array and populate it. 297 */ 298 jclass stringClass; 299 jobjectArray strArray; 300 301 const size_t numArgs = args.size(); 302 stringClass = env->FindClass("java/lang/String"); 303 strArray = env->NewObjectArray(numArgs, stringClass, NULL); 304 305 for (size_t i = 0; i < numArgs; i++) { 306 jstring argStr = env->NewStringUTF(args[i].string()); 307 env->SetObjectArrayElement(strArray, i, argStr); 308 } 309 310 env->CallStaticVoidMethod(clazz, methodId, strArray); 311 return NO_ERROR; 312} 313 314/* 315 * The VM calls this through the "exit" hook. 316 */ 317static void runtime_exit(int code) 318{ 319 gCurRuntime->exit(code); 320} 321 322/* 323 * The VM calls this through the "vfprintf" hook. 324 * 325 * We ignore "fp" and just write the results to the log file. 326 */ 327static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 328{ 329 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 330} 331 332/** 333 * The VM calls this when mutex contention debugging is enabled to 334 * determine whether or not the blocked thread was a "sensitive thread" 335 * for user responsiveness/smoothess. 336 * 337 * Our policy for this is whether or not we're tracing any StrictMode 338 * events on this thread (which we might've inherited via Binder calls 339 * into us) 340 */ 341static bool runtime_isSensitiveThread() { 342 IPCThreadState* state = IPCThreadState::selfOrNull(); 343 return state && state->getStrictModePolicy() != 0; 344} 345 346static int hasDir(const char* dir) 347{ 348 struct stat s; 349 int res = stat(dir, &s); 350 if (res == 0) { 351 return S_ISDIR(s.st_mode); 352 } 353 return 0; 354} 355 356static bool hasFile(const char* file) { 357 struct stat s; 358 int res = stat(file, &s); 359 if (res == 0) { 360 return S_ISREG(s.st_mode); 361 } 362 return false; 363} 364 365// Convenience wrapper over the property API that returns an 366// std::string. 367std::string getProperty(const char* key, const char* defaultValue) { 368 std::vector<char> temp(PROPERTY_VALUE_MAX); 369 const int len = property_get(key, &temp[0], defaultValue); 370 if (len < 0) { 371 return ""; 372 } 373 return std::string(&temp[0], len); 374} 375 376/* 377 * Read the persistent locale. Inspects the following system properties 378 * (in order) and returns the first non-empty property in the list : 379 * 380 * (1) persist.sys.locale 381 * (2) persist.sys.language/country/localevar (country and localevar are 382 * inspected iff. language is non-empty. 383 * (3) ro.product.locale 384 * (4) ro.product.locale.language/region 385 * 386 * Note that we need to inspect persist.sys.language/country/localevar to 387 * preserve language settings for devices that are upgrading from Lollipop 388 * to M. The same goes for ro.product.locale.language/region as well. 389 */ 390const std::string readLocale() 391{ 392 const std::string locale = getProperty("persist.sys.locale", ""); 393 if (!locale.empty()) { 394 return locale; 395 } 396 397 const std::string language = getProperty("persist.sys.language", ""); 398 if (!language.empty()) { 399 const std::string country = getProperty("persist.sys.country", ""); 400 const std::string variant = getProperty("persist.sys.localevar", ""); 401 402 std::string out = language; 403 if (!country.empty()) { 404 out = out + "-" + country; 405 } 406 407 if (!variant.empty()) { 408 out = out + "-" + variant; 409 } 410 411 return out; 412 } 413 414 const std::string productLocale = getProperty("ro.product.locale", ""); 415 if (!productLocale.empty()) { 416 return productLocale; 417 } 418 419 // If persist.sys.locale and ro.product.locale are missing, 420 // construct a locale value from the individual locale components. 421 const std::string productLanguage = getProperty("ro.product.locale.language", "en"); 422 const std::string productRegion = getProperty("ro.product.locale.region", "US"); 423 424 return productLanguage + "-" + productRegion; 425} 426 427void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 428{ 429 JavaVMOption opt; 430 opt.optionString = optionString; 431 opt.extraInfo = extraInfo; 432 mOptions.add(opt); 433} 434 435/* 436 * Parse a property containing space-separated options that should be 437 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 438 * 439 * This will cut up "extraOptsBuf" as we chop it into individual options. 440 * 441 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 442 * 443 * Adds the strings, if any, to mOptions. 444 */ 445void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 446{ 447 char* start = extraOptsBuf; 448 char* end = NULL; 449 while (*start != '\0') { 450 while (*start == ' ') /* skip leading whitespace */ 451 start++; 452 if (*start == '\0') /* was trailing ws, bail */ 453 break; 454 455 end = start+1; 456 while (*end != ' ' && *end != '\0') /* find end of token */ 457 end++; 458 if (*end == ' ') 459 *end++ = '\0'; /* mark end, advance to indicate more */ 460 461 if (quotingArg != NULL) { 462 addOption(quotingArg); 463 } 464 addOption(start); 465 start = end; 466 } 467} 468 469/* 470 * Reads a "property" into "buffer" with a default of "defaultArg". If 471 * the property is non-empty, it is treated as a runtime option such 472 * as "-Xmx32m". 473 * 474 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 475 * 476 * If an argument is found, it is added to mOptions. 477 * 478 * If an option is found, it is added to mOptions and true is 479 * returned. Otherwise false is returned. 480 */ 481bool AndroidRuntime::parseRuntimeOption(const char* property, 482 char* buffer, 483 const char* runtimeArg, 484 const char* defaultArg) 485{ 486 strcpy(buffer, runtimeArg); 487 size_t runtimeArgLen = strlen(runtimeArg); 488 property_get(property, buffer+runtimeArgLen, defaultArg); 489 if (buffer[runtimeArgLen] == '\0') { 490 return false; 491 } 492 addOption(buffer); 493 return true; 494} 495 496/* 497 * Reads a "property" into "buffer". If the property is non-empty, it 498 * is treated as a dex2oat compiler option that should be 499 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 500 * 501 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 502 * 503 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 504 * 505 * If an option is found, it is added to mOptions and true is 506 * returned. Otherwise false is returned. 507 */ 508bool AndroidRuntime::parseCompilerOption(const char* property, 509 char* buffer, 510 const char* compilerArg, 511 const char* quotingArg) 512{ 513 strcpy(buffer, compilerArg); 514 size_t compilerArgLen = strlen(compilerArg); 515 property_get(property, buffer+compilerArgLen, ""); 516 if (buffer[compilerArgLen] == '\0') { 517 return false; 518 } 519 addOption(quotingArg); 520 addOption(buffer); 521 return true; 522} 523 524/* 525 * Reads a "property" into "buffer". If the property is non-empty, it 526 * is treated as a dex2oat compiler runtime option that should be 527 * passed as a quoted option, e.g. "-Ximage-compiler-option 528 * --runtime-arg -Ximage-compiler-option -Xmx32m". 529 * 530 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 531 * 532 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 533 * 534 * If an option is found, it is added to mOptions and true is 535 * returned. Otherwise false is returned. 536 */ 537bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 538 char* buffer, 539 const char* runtimeArg, 540 const char* quotingArg) 541{ 542 strcpy(buffer, runtimeArg); 543 size_t runtimeArgLen = strlen(runtimeArg); 544 property_get(property, buffer+runtimeArgLen, ""); 545 if (buffer[runtimeArgLen] == '\0') { 546 return false; 547 } 548 addOption(quotingArg); 549 addOption("--runtime-arg"); 550 addOption(quotingArg); 551 addOption(buffer); 552 return true; 553} 554 555/* 556 * Start the Dalvik Virtual Machine. 557 * 558 * Various arguments, most determined by system properties, are passed in. 559 * The "mOptions" vector is updated. 560 * 561 * CAUTION: when adding options in here, be careful not to put the 562 * char buffer inside a nested scope. Adding the buffer to the 563 * options using mOptions.add() does not copy the buffer, so if the 564 * buffer goes out of scope the option may be overwritten. It's best 565 * to put the buffer at the top of the function so that it is more 566 * unlikely that someone will surround it in a scope at a later time 567 * and thus introduce a bug. 568 * 569 * Returns 0 on success. 570 */ 571int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote) 572{ 573 JavaVMInitArgs initArgs; 574 char propBuf[PROPERTY_VALUE_MAX]; 575 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 576 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 577 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 578 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 579 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 580 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 581 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 582 char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX]; 583 char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX]; 584 char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX]; 585 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 586 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 587 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 588 char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX]; 589 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 590 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 591 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 592 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 593 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 594 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 595 char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX]; 596 char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX]; 597 char dex2oat_isa_variant_key[PROPERTY_KEY_MAX]; 598 char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX]; 599 char dex2oat_isa_features_key[PROPERTY_KEY_MAX]; 600 char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX]; 601 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 602 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 603 char extraOptsBuf[PROPERTY_VALUE_MAX]; 604 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 605 enum { 606 kEMDefault, 607 kEMIntPortable, 608 kEMIntFast, 609 kEMJitCompiler, 610 } executionMode = kEMDefault; 611 char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX]; 612 char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX]; 613 char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX]; 614 char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX]; 615 char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX]; 616 char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 + 617 PROPERTY_VALUE_MAX]; 618 char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX]; 619 char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX]; 620 char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX]; 621 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 622 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 623 char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX]; 624 char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX]; 625 char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX]; 626 char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX]; 627 628 bool checkJni = false; 629 property_get("dalvik.vm.checkjni", propBuf, ""); 630 if (strcmp(propBuf, "true") == 0) { 631 checkJni = true; 632 } else if (strcmp(propBuf, "false") != 0) { 633 /* property is neither true nor false; fall back on kernel parameter */ 634 property_get("ro.kernel.android.checkjni", propBuf, ""); 635 if (propBuf[0] == '1') { 636 checkJni = true; 637 } 638 } 639 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 640 if (checkJni) { 641 /* extended JNI checking */ 642 addOption("-Xcheck:jni"); 643 644 /* with -Xcheck:jni, this provides a JNI function call trace */ 645 //addOption("-verbose:jni"); 646 } 647 648 property_get("dalvik.vm.execution-mode", propBuf, ""); 649 if (strcmp(propBuf, "int:portable") == 0) { 650 executionMode = kEMIntPortable; 651 } else if (strcmp(propBuf, "int:fast") == 0) { 652 executionMode = kEMIntFast; 653 } else if (strcmp(propBuf, "int:jit") == 0) { 654 executionMode = kEMJitCompiler; 655 } 656 657 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 658 659 strcpy(jniOptsBuf, "-Xjniopts:"); 660 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 661 ALOGI("JNI options: '%s'\n", jniOptsBuf); 662 } 663 664 /* route exit() to our handler */ 665 addOption("exit", (void*) runtime_exit); 666 667 /* route fprintf() to our handler */ 668 addOption("vfprintf", (void*) runtime_vfprintf); 669 670 /* register the framework-specific "is sensitive thread" hook */ 671 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 672 673 /* enable verbose; standard options are { jni, gc, class } */ 674 //addOption("-verbose:jni"); 675 addOption("-verbose:gc"); 676 //addOption("-verbose:class"); 677 678 /* 679 * The default starting and maximum size of the heap. Larger 680 * values should be specified in a product property override. 681 */ 682 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 683 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 684 685 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 686 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 687 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 688 parseRuntimeOption("dalvik.vm.heaptargetutilization", 689 heaptargetutilizationOptsBuf, 690 "-XX:HeapTargetUtilization="); 691 692 /* 693 * JIT related options. 694 */ 695 parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:"); 696 parseRuntimeOption("dalvik.vm.jitcodecachesize", jitcodecachesizeOptsBuf, "-Xjitcodecachesize:"); 697 parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:"); 698 699 property_get("ro.config.low_ram", propBuf, ""); 700 if (strcmp(propBuf, "true") == 0) { 701 addOption("-XX:LowMemoryMode"); 702 } 703 704 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 705 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 706 707 /* 708 * Enable debugging only for apps forked from zygote. 709 * Set suspend=y to pause during VM init and use android ADB transport. 710 */ 711 if (zygote) { 712 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 713 } 714 715 parseRuntimeOption("dalvik.vm.lockprof.threshold", 716 lockProfThresholdBuf, 717 "-Xlockprofthreshold:"); 718 719 if (executionMode == kEMIntPortable) { 720 addOption("-Xint:portable"); 721 } else if (executionMode == kEMIntFast) { 722 addOption("-Xint:fast"); 723 } else if (executionMode == kEMJitCompiler) { 724 addOption("-Xint:jit"); 725 } 726 727 // If we are booting without the real /data, don't spend time compiling. 728 property_get("vold.decrypt", voldDecryptBuf, ""); 729 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 730 (strcmp(voldDecryptBuf, "1") == 0)); 731 732 // Extra options for boot.art/boot.oat image generation. 733 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 734 "-Xms", "-Ximage-compiler-option"); 735 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 736 "-Xmx", "-Ximage-compiler-option"); 737 if (skip_compilation) { 738 addOption("-Ximage-compiler-option"); 739 addOption("--compiler-filter=verify-none"); 740 } else { 741 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 742 "--compiler-filter=", "-Ximage-compiler-option"); 743 } 744 745 // Make sure there is a preloaded-classes file. 746 if (!hasFile("/system/etc/preloaded-classes")) { 747 ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n", 748 strerror(errno)); 749 return -1; 750 } 751 addOption("-Ximage-compiler-option"); 752 addOption("--image-classes=/system/etc/preloaded-classes"); 753 754 // If there is a compiled-classes file, push it. 755 if (hasFile("/system/etc/compiled-classes")) { 756 addOption("-Ximage-compiler-option"); 757 addOption("--compiled-classes=/system/etc/compiled-classes"); 758 } 759 760 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 761 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 762 763 // Extra options for DexClassLoader. 764 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 765 "-Xms", "-Xcompiler-option"); 766 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 767 "-Xmx", "-Xcompiler-option"); 768 if (skip_compilation) { 769 addOption("-Xcompiler-option"); 770 addOption("--compiler-filter=verify-none"); 771 772 // We skip compilation when a minimal runtime is brought up for decryption. In that case 773 // /data is temporarily backed by a tmpfs, which is usually small. 774 // If the system image contains prebuilts, they will be relocated into the tmpfs. In this 775 // specific situation it is acceptable to *not* relocate and run out of the prebuilts 776 // directly instead. 777 addOption("--runtime-arg"); 778 addOption("-Xnorelocate"); 779 } else { 780 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 781 "--compiler-filter=", "-Xcompiler-option"); 782 } 783 parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option"); 784 parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j", 785 "-Ximage-compiler-option"); 786 787 // The runtime will compile a boot image, when necessary, not using installd. Thus, we need to 788 // pass the instruction-set-features/variant as an image-compiler-option. 789 // TODO: Find a better way for the instruction-set. 790#if defined(__arm__) 791 constexpr const char* instruction_set = "arm"; 792#elif defined(__aarch64__) 793 constexpr const char* instruction_set = "arm64"; 794#elif defined(__mips__) && !defined(__LP64__) 795 constexpr const char* instruction_set = "mips"; 796#elif defined(__mips__) && defined(__LP64__) 797 constexpr const char* instruction_set = "mips64"; 798#elif defined(__i386__) 799 constexpr const char* instruction_set = "x86"; 800#elif defined(__x86_64__) 801 constexpr const char* instruction_set = "x86_64"; 802#else 803 constexpr const char* instruction_set = "unknown"; 804#endif 805 // Note: it is OK to reuse the buffer, as the values are exactly the same between 806 // * compiler-option, used for runtime compilation (DexClassLoader) 807 // * image-compiler-option, used for boot-image compilation on device 808 809 // Copy the variant. 810 sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set); 811 parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant, 812 "--instruction-set-variant=", "-Ximage-compiler-option"); 813 parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant, 814 "--instruction-set-variant=", "-Xcompiler-option"); 815 // Copy the features. 816 sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set); 817 parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features, 818 "--instruction-set-features=", "-Ximage-compiler-option"); 819 parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features, 820 "--instruction-set-features=", "-Xcompiler-option"); 821 822 823 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 824 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 825 826 /* extra options; parse this late so it overrides others */ 827 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 828 parseExtraOpts(extraOptsBuf, NULL); 829 830 /* Set the properties for locale */ 831 { 832 strcpy(localeOption, "-Duser.locale="); 833 const std::string locale = readLocale(); 834 strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX); 835 addOption(localeOption); 836 } 837 838 /* 839 * Set profiler options 840 */ 841 // Whether or not the profiler should be enabled. 842 property_get("dalvik.vm.profiler", propBuf, "0"); 843 if (propBuf[0] == '1') { 844 addOption("-Xenable-profiler"); 845 } 846 847 // Whether the profile should start upon app startup or be delayed by some random offset 848 // (in seconds) that is bound between 0 and a fixed value. 849 property_get("dalvik.vm.profile.start-immed", propBuf, "0"); 850 if (propBuf[0] == '1') { 851 addOption("-Xprofile-start-immediately"); 852 } 853 854 // Number of seconds during profile runs. 855 parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:"); 856 857 // Length of each profile run (seconds). 858 parseRuntimeOption("dalvik.vm.profile.duration-secs", 859 profileDuration, 860 "-Xprofile-duration:"); 861 862 // Polling interval during profile run (microseconds). 863 parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:"); 864 865 // Coefficient for period backoff. The the period is multiplied 866 // by this value after each profile run. 867 parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:"); 868 869 // Top K% of samples that are considered relevant when 870 // deciding if the app should be recompiled. 871 parseRuntimeOption("dalvik.vm.profile.top-k-thr", 872 profileTopKThreshold, 873 "-Xprofile-top-k-threshold:"); 874 875 // The threshold after which a change in the structure of the 876 // top K% profiled samples becomes significant and triggers 877 // recompilation. A change in profile is considered 878 // significant if X% (top-k-change-threshold) of the top K% 879 // (top-k-threshold property) samples has changed. 880 parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr", 881 profileTopKChangeThreshold, 882 "-Xprofile-top-k-change-threshold:"); 883 884 // Type of profile data. 885 parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:"); 886 887 // Depth of bounded stack data 888 parseRuntimeOption("dalvik.vm.profile.stack-depth", 889 profileMaxStackDepth, 890 "-Xprofile-max-stack-depth:"); 891 892 /* 893 * Tracing options. 894 */ 895 property_get("dalvik.vm.method-trace", propBuf, "false"); 896 if (strcmp(propBuf, "true") == 0) { 897 addOption("-Xmethod-trace"); 898 parseRuntimeOption("dalvik.vm.method-trace-file", 899 methodTraceFileBuf, 900 "-Xmethod-trace-file:"); 901 parseRuntimeOption("dalvik.vm.method-trace-file-siz", 902 methodTraceFileSizeBuf, 903 "-Xmethod-trace-file-size:"); 904 property_get("dalvik.vm.method-trace-stream", propBuf, "false"); 905 if (strcmp(propBuf, "true") == 0) { 906 addOption("-Xmethod-trace-stream"); 907 } 908 } 909 910 // Native bridge library. "0" means that native bridge is disabled. 911 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 912 if (propBuf[0] == '\0') { 913 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 914 } else if (strcmp(propBuf, "0") != 0) { 915 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 916 "-XX:NativeBridge=%s", propBuf); 917 addOption(nativeBridgeLibrary); 918 } 919 920#if defined(__LP64__) 921 const char* cpu_abilist_property_name = "ro.product.cpu.abilist64"; 922#else 923 const char* cpu_abilist_property_name = "ro.product.cpu.abilist32"; 924#endif // defined(__LP64__) 925 property_get(cpu_abilist_property_name, propBuf, ""); 926 if (propBuf[0] == '\0') { 927 ALOGE("%s is not expected to be empty", cpu_abilist_property_name); 928 return -1; 929 } 930 snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf); 931 addOption(cpuAbiListBuf); 932 933 // Dalvik-cache pruning counter. 934 parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf, 935 "-Xzygote-max-boot-retry="); 936 937 /* 938 * When running with debug.generate-debug-info, add --generate-debug-info to 939 * the compiler options so that the boot image, if it is compiled on device, 940 * will include native debugging information. 941 */ 942 property_get("debug.generate-debug-info", propBuf, ""); 943 if (strcmp(propBuf, "true") == 0) { 944 addOption("-Xcompiler-option"); 945 addOption("--generate-debug-info"); 946 addOption("-Ximage-compiler-option"); 947 addOption("--generate-debug-info"); 948 } 949 950 /* 951 * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will 952 * contain the fingerprint and can be parsed. 953 */ 954 parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:"); 955 956 initArgs.version = JNI_VERSION_1_4; 957 initArgs.options = mOptions.editArray(); 958 initArgs.nOptions = mOptions.size(); 959 initArgs.ignoreUnrecognized = JNI_FALSE; 960 961 /* 962 * Initialize the VM. 963 * 964 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 965 * If this call succeeds, the VM is ready, and we can start issuing 966 * JNI calls. 967 */ 968 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 969 ALOGE("JNI_CreateJavaVM failed\n"); 970 return -1; 971 } 972 973 return 0; 974} 975 976char* AndroidRuntime::toSlashClassName(const char* className) 977{ 978 char* result = strdup(className); 979 for (char* cp = result; *cp != '\0'; cp++) { 980 if (*cp == '.') { 981 *cp = '/'; 982 } 983 } 984 return result; 985} 986 987/** Create a Java string from an ASCII or Latin-1 string */ 988jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) { 989 if (!bytes) return NULL; 990 int length = strlen(bytes); 991 jchar* buffer = (jchar *)alloca(length * sizeof(jchar)); 992 if (!buffer) return NULL; 993 jchar* chp = buffer; 994 for (int i = 0; i < length; i++) { 995 *chp++ = *bytes++; 996 } 997 return env->NewString(buffer, length); 998} 999 1000 1001/* 1002 * Start the Android runtime. This involves starting the virtual machine 1003 * and calling the "static void main(String[] args)" method in the class 1004 * named by "className". 1005 * 1006 * Passes the main function two arguments, the class name and the specified 1007 * options string. 1008 */ 1009void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote) 1010{ 1011 ALOGD(">>>>>> START %s uid %d <<<<<<\n", 1012 className != NULL ? className : "(unknown)", getuid()); 1013 1014 static const String8 startSystemServer("start-system-server"); 1015 1016 /* 1017 * 'startSystemServer == true' means runtime is obsolete and not run from 1018 * init.rc anymore, so we print out the boot start event here. 1019 */ 1020 for (size_t i = 0; i < options.size(); ++i) { 1021 if (options[i] == startSystemServer) { 1022 /* track our progress through the boot sequence */ 1023 const int LOG_BOOT_PROGRESS_START = 3000; 1024 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 1025 } 1026 } 1027 1028 const char* rootDir = getenv("ANDROID_ROOT"); 1029 if (rootDir == NULL) { 1030 rootDir = "/system"; 1031 if (!hasDir("/system")) { 1032 LOG_FATAL("No root directory specified, and /android does not exist."); 1033 return; 1034 } 1035 setenv("ANDROID_ROOT", rootDir, 1); 1036 } 1037 1038 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 1039 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 1040 1041 /* start the virtual machine */ 1042 JniInvocation jni_invocation; 1043 jni_invocation.Init(NULL); 1044 JNIEnv* env; 1045 if (startVm(&mJavaVM, &env, zygote) != 0) { 1046 return; 1047 } 1048 onVmCreated(env); 1049 1050 /* 1051 * Register android functions. 1052 */ 1053 if (startReg(env) < 0) { 1054 ALOGE("Unable to register all android natives\n"); 1055 return; 1056 } 1057 1058 /* 1059 * We want to call main() with a String array with arguments in it. 1060 * At present we have two arguments, the class name and an option string. 1061 * Create an array to hold them. 1062 */ 1063 jclass stringClass; 1064 jobjectArray strArray; 1065 jstring classNameStr; 1066 1067 stringClass = env->FindClass("java/lang/String"); 1068 assert(stringClass != NULL); 1069 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 1070 assert(strArray != NULL); 1071 classNameStr = env->NewStringUTF(className); 1072 assert(classNameStr != NULL); 1073 env->SetObjectArrayElement(strArray, 0, classNameStr); 1074 1075 for (size_t i = 0; i < options.size(); ++i) { 1076 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 1077 assert(optionsStr != NULL); 1078 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 1079 } 1080 1081 /* 1082 * Start VM. This thread becomes the main thread of the VM, and will 1083 * not return until the VM exits. 1084 */ 1085 char* slashClassName = toSlashClassName(className); 1086 jclass startClass = env->FindClass(slashClassName); 1087 if (startClass == NULL) { 1088 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1089 /* keep going */ 1090 } else { 1091 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1092 "([Ljava/lang/String;)V"); 1093 if (startMeth == NULL) { 1094 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1095 /* keep going */ 1096 } else { 1097 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1098 1099#if 0 1100 if (env->ExceptionCheck()) 1101 threadExitUncaughtException(env); 1102#endif 1103 } 1104 } 1105 free(slashClassName); 1106 1107 ALOGD("Shutting down VM\n"); 1108 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1109 ALOGW("Warning: unable to detach main thread\n"); 1110 if (mJavaVM->DestroyJavaVM() != 0) 1111 ALOGW("Warning: VM did not shut down cleanly\n"); 1112} 1113 1114void AndroidRuntime::exit(int code) 1115{ 1116 if (mExitWithoutCleanup) { 1117 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1118 ::_exit(code); 1119 } else { 1120 ALOGI("VM exiting with result code %d.", code); 1121 onExit(code); 1122 ::exit(code); 1123 } 1124} 1125 1126void AndroidRuntime::onVmCreated(JNIEnv* env) 1127{ 1128 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1129} 1130 1131/* 1132 * Get the JNIEnv pointer for this thread. 1133 * 1134 * Returns NULL if the slot wasn't allocated or populated. 1135 */ 1136/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1137{ 1138 JNIEnv* env; 1139 JavaVM* vm = AndroidRuntime::getJavaVM(); 1140 assert(vm != NULL); 1141 1142 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1143 return NULL; 1144 return env; 1145} 1146 1147/* 1148 * Makes the current thread visible to the VM. 1149 * 1150 * The JNIEnv pointer returned is only valid for the current thread, and 1151 * thus must be tucked into thread-local storage. 1152 */ 1153static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1154{ 1155 JavaVMAttachArgs args; 1156 JavaVM* vm; 1157 jint result; 1158 1159 vm = AndroidRuntime::getJavaVM(); 1160 assert(vm != NULL); 1161 1162 args.version = JNI_VERSION_1_4; 1163 args.name = (char*) threadName; 1164 args.group = NULL; 1165 1166 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1167 if (result != JNI_OK) 1168 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1169 1170 return result; 1171} 1172 1173/* 1174 * Detach the current thread from the set visible to the VM. 1175 */ 1176static int javaDetachThread(void) 1177{ 1178 JavaVM* vm; 1179 jint result; 1180 1181 vm = AndroidRuntime::getJavaVM(); 1182 assert(vm != NULL); 1183 1184 result = vm->DetachCurrentThread(); 1185 if (result != JNI_OK) 1186 ALOGE("ERROR: thread detach failed\n"); 1187 return result; 1188} 1189 1190/* 1191 * When starting a native thread that will be visible from the VM, we 1192 * bounce through this to get the right attach/detach action. 1193 * Note that this function calls free(args) 1194 */ 1195/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1196 void* start = ((void**)args)[0]; 1197 void* userData = ((void **)args)[1]; 1198 char* name = (char*) ((void **)args)[2]; // we own this storage 1199 free(args); 1200 JNIEnv* env; 1201 int result; 1202 1203 /* hook us into the VM */ 1204 if (javaAttachThread(name, &env) != JNI_OK) 1205 return -1; 1206 1207 /* start the thread running */ 1208 result = (*(android_thread_func_t)start)(userData); 1209 1210 /* unhook us */ 1211 javaDetachThread(); 1212 free(name); 1213 1214 return result; 1215} 1216 1217/* 1218 * This is invoked from androidCreateThreadEtc() via the callback 1219 * set with androidSetCreateThreadFunc(). 1220 * 1221 * We need to create the new thread in such a way that it gets hooked 1222 * into the VM before it really starts executing. 1223 */ 1224/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1225 android_thread_func_t entryFunction, 1226 void* userData, 1227 const char* threadName, 1228 int32_t threadPriority, 1229 size_t threadStackSize, 1230 android_thread_id_t* threadId) 1231{ 1232 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1233 int result; 1234 1235 if (!threadName) 1236 threadName = "unnamed thread"; 1237 1238 args[0] = (void*) entryFunction; 1239 args[1] = userData; 1240 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1241 1242 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1243 threadName, threadPriority, threadStackSize, threadId); 1244 return result; 1245} 1246 1247/* 1248 * Create a thread that is visible from the VM. 1249 * 1250 * This is called from elsewhere in the library. 1251 */ 1252/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1253 void (*start)(void *), void* arg) 1254{ 1255 android_thread_id_t threadId = 0; 1256 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1257 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1258 return threadId; 1259} 1260 1261#if 0 1262static void quickTest(void* arg) 1263{ 1264 const char* str = (const char*) arg; 1265 1266 printf("In quickTest: %s\n", str); 1267} 1268#endif 1269 1270#ifdef NDEBUG 1271 #define REG_JNI(name) { name } 1272 struct RegJNIRec { 1273 int (*mProc)(JNIEnv*); 1274 }; 1275#else 1276 #define REG_JNI(name) { name, #name } 1277 struct RegJNIRec { 1278 int (*mProc)(JNIEnv*); 1279 const char* mName; 1280 }; 1281#endif 1282 1283typedef void (*RegJAMProc)(); 1284 1285static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1286{ 1287 for (size_t i = 0; i < count; i++) { 1288 if (array[i].mProc(env) < 0) { 1289#ifndef NDEBUG 1290 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1291#endif 1292 return -1; 1293 } 1294 } 1295 return 0; 1296} 1297 1298static const RegJNIRec gRegJNI[] = { 1299 REG_JNI(register_com_android_internal_os_RuntimeInit), 1300 REG_JNI(register_android_os_SystemClock), 1301 REG_JNI(register_android_util_EventLog), 1302 REG_JNI(register_android_util_Log), 1303 REG_JNI(register_android_content_AssetManager), 1304 REG_JNI(register_android_content_StringBlock), 1305 REG_JNI(register_android_content_XmlBlock), 1306 REG_JNI(register_android_emoji_EmojiFactory), 1307 REG_JNI(register_android_text_AndroidCharacter), 1308 REG_JNI(register_android_text_StaticLayout), 1309 REG_JNI(register_android_text_AndroidBidi), 1310 REG_JNI(register_android_view_InputDevice), 1311 REG_JNI(register_android_view_KeyCharacterMap), 1312 REG_JNI(register_android_os_Process), 1313 REG_JNI(register_android_os_SystemProperties), 1314 REG_JNI(register_android_os_Binder), 1315 REG_JNI(register_android_os_Parcel), 1316 REG_JNI(register_android_nio_utils), 1317 REG_JNI(register_android_graphics_Graphics), 1318 REG_JNI(register_android_view_DisplayEventReceiver), 1319 REG_JNI(register_android_view_RenderNode), 1320 REG_JNI(register_android_view_RenderNodeAnimator), 1321 REG_JNI(register_android_view_GraphicBuffer), 1322 REG_JNI(register_android_view_DisplayListCanvas), 1323 REG_JNI(register_android_view_HardwareLayer), 1324 REG_JNI(register_android_view_ThreadedRenderer), 1325 REG_JNI(register_android_view_Surface), 1326 REG_JNI(register_android_view_SurfaceControl), 1327 REG_JNI(register_android_view_SurfaceSession), 1328 REG_JNI(register_android_view_TextureView), 1329 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1330 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1331 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1332 REG_JNI(register_android_opengl_jni_EGL14), 1333 REG_JNI(register_android_opengl_jni_EGLExt), 1334 REG_JNI(register_android_opengl_jni_GLES10), 1335 REG_JNI(register_android_opengl_jni_GLES10Ext), 1336 REG_JNI(register_android_opengl_jni_GLES11), 1337 REG_JNI(register_android_opengl_jni_GLES11Ext), 1338 REG_JNI(register_android_opengl_jni_GLES20), 1339 REG_JNI(register_android_opengl_jni_GLES30), 1340 REG_JNI(register_android_opengl_jni_GLES31), 1341 REG_JNI(register_android_opengl_jni_GLES31Ext), 1342 1343 REG_JNI(register_android_graphics_Bitmap), 1344 REG_JNI(register_android_graphics_BitmapFactory), 1345 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1346 REG_JNI(register_android_graphics_Camera), 1347 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1348 REG_JNI(register_android_graphics_Canvas), 1349 REG_JNI(register_android_graphics_CanvasProperty), 1350 REG_JNI(register_android_graphics_ColorFilter), 1351 REG_JNI(register_android_graphics_DrawFilter), 1352 REG_JNI(register_android_graphics_FontFamily), 1353 REG_JNI(register_android_graphics_Interpolator), 1354 REG_JNI(register_android_graphics_LayerRasterizer), 1355 REG_JNI(register_android_graphics_MaskFilter), 1356 REG_JNI(register_android_graphics_Matrix), 1357 REG_JNI(register_android_graphics_Movie), 1358 REG_JNI(register_android_graphics_NinePatch), 1359 REG_JNI(register_android_graphics_Paint), 1360 REG_JNI(register_android_graphics_Path), 1361 REG_JNI(register_android_graphics_PathMeasure), 1362 REG_JNI(register_android_graphics_PathEffect), 1363 REG_JNI(register_android_graphics_Picture), 1364 REG_JNI(register_android_graphics_PorterDuff), 1365 REG_JNI(register_android_graphics_Rasterizer), 1366 REG_JNI(register_android_graphics_Region), 1367 REG_JNI(register_android_graphics_Shader), 1368 REG_JNI(register_android_graphics_SurfaceTexture), 1369 REG_JNI(register_android_graphics_Typeface), 1370 REG_JNI(register_android_graphics_Xfermode), 1371 REG_JNI(register_android_graphics_YuvImage), 1372 REG_JNI(register_android_graphics_pdf_PdfDocument), 1373 REG_JNI(register_android_graphics_pdf_PdfEditor), 1374 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1375 1376 REG_JNI(register_android_database_CursorWindow), 1377 REG_JNI(register_android_database_SQLiteConnection), 1378 REG_JNI(register_android_database_SQLiteGlobal), 1379 REG_JNI(register_android_database_SQLiteDebug), 1380 REG_JNI(register_android_os_Debug), 1381 REG_JNI(register_android_os_FileObserver), 1382 REG_JNI(register_android_os_MessageQueue), 1383 REG_JNI(register_android_os_SELinux), 1384 REG_JNI(register_android_os_Trace), 1385 REG_JNI(register_android_os_UEventObserver), 1386 REG_JNI(register_android_net_LocalSocketImpl), 1387 REG_JNI(register_android_net_NetworkUtils), 1388 REG_JNI(register_android_net_TrafficStats), 1389 REG_JNI(register_android_os_MemoryFile), 1390 REG_JNI(register_com_android_internal_os_Zygote), 1391 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1392 REG_JNI(register_android_hardware_Camera), 1393 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1394 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1395 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1396 REG_JNI(register_android_hardware_camera2_DngCreator), 1397 REG_JNI(register_android_hardware_Radio), 1398 REG_JNI(register_android_hardware_SensorManager), 1399 REG_JNI(register_android_hardware_SerialPort), 1400 REG_JNI(register_android_hardware_SoundTrigger), 1401 REG_JNI(register_android_hardware_UsbDevice), 1402 REG_JNI(register_android_hardware_UsbDeviceConnection), 1403 REG_JNI(register_android_hardware_UsbRequest), 1404 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1405 REG_JNI(register_android_media_AudioRecord), 1406 REG_JNI(register_android_media_AudioSystem), 1407 REG_JNI(register_android_media_AudioTrack), 1408 REG_JNI(register_android_media_JetPlayer), 1409 REG_JNI(register_android_media_RemoteDisplay), 1410 REG_JNI(register_android_media_ToneGenerator), 1411 1412 REG_JNI(register_android_opengl_classes), 1413 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1414 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1415 REG_JNI(register_android_backup_BackupDataInput), 1416 REG_JNI(register_android_backup_BackupDataOutput), 1417 REG_JNI(register_android_backup_FileBackupHelperBase), 1418 REG_JNI(register_android_backup_BackupHelperDispatcher), 1419 REG_JNI(register_android_app_backup_FullBackup), 1420 REG_JNI(register_android_app_ActivityThread), 1421 REG_JNI(register_android_app_NativeActivity), 1422 REG_JNI(register_android_view_InputChannel), 1423 REG_JNI(register_android_view_InputEventReceiver), 1424 REG_JNI(register_android_view_InputEventSender), 1425 REG_JNI(register_android_view_InputQueue), 1426 REG_JNI(register_android_view_KeyEvent), 1427 REG_JNI(register_android_view_MotionEvent), 1428 REG_JNI(register_android_view_PointerIcon), 1429 REG_JNI(register_android_view_VelocityTracker), 1430 1431 REG_JNI(register_android_content_res_ObbScanner), 1432 REG_JNI(register_android_content_res_Configuration), 1433 1434 REG_JNI(register_android_animation_PropertyValuesHolder), 1435 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1436 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1437}; 1438 1439/* 1440 * Register android native functions with the VM. 1441 */ 1442/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1443{ 1444 ATRACE_NAME("RegisterAndroidNatives"); 1445 /* 1446 * This hook causes all future threads created in this process to be 1447 * attached to the JavaVM. (This needs to go away in favor of JNI 1448 * Attach calls.) 1449 */ 1450 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1451 1452 ALOGV("--- registering native functions ---\n"); 1453 1454 /* 1455 * Every "register" function calls one or more things that return 1456 * a local reference (e.g. FindClass). Because we haven't really 1457 * started the VM yet, they're all getting stored in the base frame 1458 * and never released. Use Push/Pop to manage the storage. 1459 */ 1460 env->PushLocalFrame(200); 1461 1462 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1463 env->PopLocalFrame(NULL); 1464 return -1; 1465 } 1466 env->PopLocalFrame(NULL); 1467 1468 //createJavaThread("fubar", quickTest, (void*) "hello"); 1469 1470 return 0; 1471} 1472 1473AndroidRuntime* AndroidRuntime::getRuntime() 1474{ 1475 return gCurRuntime; 1476} 1477 1478/** 1479 * Used by surface flinger's DdmConnection to register native methods from 1480 * the framework. 1481 */ 1482extern "C" jint registerFrameworkNatives(JNIEnv* env) { 1483 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1484} 1485} // namespace android 1486