AndroidRuntime.cpp revision ac329d3e34e99e10243906d32cc4e36c626ac8ee
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_auditing_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_PathParser(JNIEnv* env); 117extern int register_android_content_StringBlock(JNIEnv* env); 118extern int register_android_content_XmlBlock(JNIEnv* env); 119extern int register_android_graphics_Canvas(JNIEnv* env); 120extern int register_android_graphics_CanvasProperty(JNIEnv* env); 121extern int register_android_graphics_ColorFilter(JNIEnv* env); 122extern int register_android_graphics_DrawFilter(JNIEnv* env); 123extern int register_android_graphics_FontFamily(JNIEnv* env); 124extern int register_android_graphics_LayerRasterizer(JNIEnv*); 125extern int register_android_graphics_Matrix(JNIEnv* env); 126extern int register_android_graphics_Paint(JNIEnv* env); 127extern int register_android_graphics_Path(JNIEnv* env); 128extern int register_android_graphics_PathMeasure(JNIEnv* env); 129extern int register_android_graphics_Picture(JNIEnv*); 130extern int register_android_graphics_PorterDuff(JNIEnv* env); 131extern int register_android_graphics_Rasterizer(JNIEnv* env); 132extern int register_android_graphics_Region(JNIEnv* env); 133extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 134extern int register_android_graphics_Xfermode(JNIEnv* env); 135extern int register_android_graphics_drawable_AnimatedVectorDrawable(JNIEnv* env); 136extern int register_android_graphics_drawable_VectorDrawable(JNIEnv* env); 137extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env); 138extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env); 139extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env); 140extern int register_android_view_DisplayEventReceiver(JNIEnv* env); 141extern int register_android_view_DisplayListCanvas(JNIEnv* env); 142extern int register_android_view_GraphicBuffer(JNIEnv* env); 143extern int register_android_view_HardwareLayer(JNIEnv* env); 144extern int register_android_view_RenderNode(JNIEnv* env); 145extern int register_android_view_RenderNodeAnimator(JNIEnv* env); 146extern int register_android_view_Surface(JNIEnv* env); 147extern int register_android_view_SurfaceControl(JNIEnv* env); 148extern int register_android_view_SurfaceSession(JNIEnv* env); 149extern int register_android_view_TextureView(JNIEnv* env); 150extern int register_android_view_ThreadedRenderer(JNIEnv* env); 151extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env); 152extern int register_android_database_CursorWindow(JNIEnv* env); 153extern int register_android_database_SQLiteConnection(JNIEnv* env); 154extern int register_android_database_SQLiteGlobal(JNIEnv* env); 155extern int register_android_database_SQLiteDebug(JNIEnv* env); 156extern int register_android_nio_utils(JNIEnv* env); 157extern int register_android_os_Debug(JNIEnv* env); 158extern int register_android_os_MessageQueue(JNIEnv* env); 159extern int register_android_os_Parcel(JNIEnv* env); 160extern int register_android_os_SELinux(JNIEnv* env); 161extern int register_android_os_SystemProperties(JNIEnv *env); 162extern int register_android_os_SystemClock(JNIEnv* env); 163extern int register_android_os_Trace(JNIEnv* env); 164extern int register_android_os_FileObserver(JNIEnv *env); 165extern int register_android_os_UEventObserver(JNIEnv* env); 166extern int register_android_os_MemoryFile(JNIEnv* env); 167extern int register_android_net_LocalSocketImpl(JNIEnv* env); 168extern int register_android_net_NetworkUtils(JNIEnv* env); 169extern int register_android_net_TrafficStats(JNIEnv* env); 170extern int register_android_text_AndroidCharacter(JNIEnv *env); 171extern int register_android_text_StaticLayout(JNIEnv *env); 172extern int register_android_text_AndroidBidi(JNIEnv *env); 173extern int register_android_opengl_classes(JNIEnv *env); 174extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 175extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env); 176extern int register_android_backup_BackupDataInput(JNIEnv *env); 177extern int register_android_backup_BackupDataOutput(JNIEnv *env); 178extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 179extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 180extern int register_android_app_backup_FullBackup(JNIEnv *env); 181extern int register_android_app_ApplicationLoaders(JNIEnv* env); 182extern int register_android_app_Activity(JNIEnv *env); 183extern int register_android_app_ActivityThread(JNIEnv *env); 184extern int register_android_app_NativeActivity(JNIEnv *env); 185extern int register_android_media_RemoteDisplay(JNIEnv *env); 186extern int register_android_util_jar_StrictJarFile(JNIEnv* env); 187extern int register_android_view_InputChannel(JNIEnv* env); 188extern int register_android_view_InputDevice(JNIEnv* env); 189extern int register_android_view_InputEventReceiver(JNIEnv* env); 190extern int register_android_view_InputEventSender(JNIEnv* env); 191extern int register_android_view_InputQueue(JNIEnv* env); 192extern int register_android_view_KeyCharacterMap(JNIEnv *env); 193extern int register_android_view_KeyEvent(JNIEnv* env); 194extern int register_android_view_MotionEvent(JNIEnv* env); 195extern int register_android_view_PointerIcon(JNIEnv* env); 196extern int register_android_view_VelocityTracker(JNIEnv* env); 197extern int register_android_content_res_ObbScanner(JNIEnv* env); 198extern int register_android_content_res_Configuration(JNIEnv* env); 199extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 200extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 201extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env); 202extern int register_com_android_internal_os_Zygote(JNIEnv *env); 203extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env); 204 205static AndroidRuntime* gCurRuntime = NULL; 206 207/* 208 * Code written in the Java Programming Language calls here from main(). 209 */ 210static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 211{ 212 gCurRuntime->onStarted(); 213} 214 215static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 216{ 217 gCurRuntime->onZygoteInit(); 218} 219 220static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 221 jobject clazz, jboolean exitWithoutCleanup) 222{ 223 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 224} 225 226/* 227 * JNI registration. 228 */ 229static const JNINativeMethod gMethods[] = { 230 { "nativeFinishInit", "()V", 231 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 232 { "nativeZygoteInit", "()V", 233 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 234 { "nativeSetExitWithoutCleanup", "(Z)V", 235 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 236}; 237 238int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 239{ 240 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 241 gMethods, NELEM(gMethods)); 242} 243 244// ---------------------------------------------------------------------- 245 246/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 247 248AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) : 249 mExitWithoutCleanup(false), 250 mArgBlockStart(argBlockStart), 251 mArgBlockLength(argBlockLength) 252{ 253 SkGraphics::Init(); 254 // There is also a global font cache, but its budget is specified by 255 // SK_DEFAULT_FONT_CACHE_COUNT_LIMIT and SK_DEFAULT_FONT_CACHE_LIMIT. 256 257 // Pre-allocate enough space to hold a fair number of options. 258 mOptions.setCapacity(20); 259 260 assert(gCurRuntime == NULL); // one per process 261 gCurRuntime = this; 262} 263 264AndroidRuntime::~AndroidRuntime() 265{ 266 SkGraphics::Term(); 267} 268 269/* 270 * Register native methods using JNI. 271 */ 272/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 273 const char* className, const JNINativeMethod* gMethods, int numMethods) 274{ 275 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 276} 277 278void AndroidRuntime::setArgv0(const char* argv0) { 279 memset(mArgBlockStart, 0, mArgBlockLength); 280 strlcpy(mArgBlockStart, argv0, mArgBlockLength); 281} 282 283status_t AndroidRuntime::callMain(const String8& className, jclass clazz, 284 const Vector<String8>& args) 285{ 286 JNIEnv* env; 287 jmethodID methodId; 288 289 ALOGD("Calling main entry %s", className.string()); 290 291 env = getJNIEnv(); 292 if (clazz == NULL || env == NULL) { 293 return UNKNOWN_ERROR; 294 } 295 296 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 297 if (methodId == NULL) { 298 ALOGE("ERROR: could not find method %s.main(String[])\n", className.string()); 299 return UNKNOWN_ERROR; 300 } 301 302 /* 303 * We want to call main() with a String array with our arguments in it. 304 * Create an array and populate it. 305 */ 306 jclass stringClass; 307 jobjectArray strArray; 308 309 const size_t numArgs = args.size(); 310 stringClass = env->FindClass("java/lang/String"); 311 strArray = env->NewObjectArray(numArgs, stringClass, NULL); 312 313 for (size_t i = 0; i < numArgs; i++) { 314 jstring argStr = env->NewStringUTF(args[i].string()); 315 env->SetObjectArrayElement(strArray, i, argStr); 316 } 317 318 env->CallStaticVoidMethod(clazz, methodId, strArray); 319 return NO_ERROR; 320} 321 322/* 323 * The VM calls this through the "exit" hook. 324 */ 325static void runtime_exit(int code) 326{ 327 gCurRuntime->exit(code); 328} 329 330/* 331 * The VM calls this through the "vfprintf" hook. 332 * 333 * We ignore "fp" and just write the results to the log file. 334 */ 335static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 336{ 337 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 338} 339 340/** 341 * The VM calls this when mutex contention debugging is enabled to 342 * determine whether or not the blocked thread was a "sensitive thread" 343 * for user responsiveness/smoothess. 344 * 345 * Our policy for this is whether or not we're tracing any StrictMode 346 * events on this thread (which we might've inherited via Binder calls 347 * into us) 348 */ 349static bool runtime_isSensitiveThread() { 350 IPCThreadState* state = IPCThreadState::selfOrNull(); 351 return state && state->getStrictModePolicy() != 0; 352} 353 354static int hasDir(const char* dir) 355{ 356 struct stat s; 357 int res = stat(dir, &s); 358 if (res == 0) { 359 return S_ISDIR(s.st_mode); 360 } 361 return 0; 362} 363 364static bool hasFile(const char* file) { 365 struct stat s; 366 int res = stat(file, &s); 367 if (res == 0) { 368 return S_ISREG(s.st_mode); 369 } 370 return false; 371} 372 373// Convenience wrapper over the property API that returns an 374// std::string. 375std::string getProperty(const char* key, const char* defaultValue) { 376 std::vector<char> temp(PROPERTY_VALUE_MAX); 377 const int len = property_get(key, &temp[0], defaultValue); 378 if (len < 0) { 379 return ""; 380 } 381 return std::string(&temp[0], len); 382} 383 384/* 385 * Read the persistent locale. Inspects the following system properties 386 * (in order) and returns the first non-empty property in the list : 387 * 388 * (1) persist.sys.locale 389 * (2) persist.sys.language/country/localevar (country and localevar are 390 * inspected iff. language is non-empty. 391 * (3) ro.product.locale 392 * (4) ro.product.locale.language/region 393 * 394 * Note that we need to inspect persist.sys.language/country/localevar to 395 * preserve language settings for devices that are upgrading from Lollipop 396 * to M. The same goes for ro.product.locale.language/region as well. 397 */ 398const std::string readLocale() 399{ 400 const std::string locale = getProperty("persist.sys.locale", ""); 401 if (!locale.empty()) { 402 return locale; 403 } 404 405 const std::string language = getProperty("persist.sys.language", ""); 406 if (!language.empty()) { 407 const std::string country = getProperty("persist.sys.country", ""); 408 const std::string variant = getProperty("persist.sys.localevar", ""); 409 410 std::string out = language; 411 if (!country.empty()) { 412 out = out + "-" + country; 413 } 414 415 if (!variant.empty()) { 416 out = out + "-" + variant; 417 } 418 419 return out; 420 } 421 422 const std::string productLocale = getProperty("ro.product.locale", ""); 423 if (!productLocale.empty()) { 424 return productLocale; 425 } 426 427 // If persist.sys.locale and ro.product.locale are missing, 428 // construct a locale value from the individual locale components. 429 const std::string productLanguage = getProperty("ro.product.locale.language", "en"); 430 const std::string productRegion = getProperty("ro.product.locale.region", "US"); 431 432 return productLanguage + "-" + productRegion; 433} 434 435void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 436{ 437 JavaVMOption opt; 438 opt.optionString = optionString; 439 opt.extraInfo = extraInfo; 440 mOptions.add(opt); 441} 442 443/* 444 * Parse a property containing space-separated options that should be 445 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 446 * 447 * This will cut up "extraOptsBuf" as we chop it into individual options. 448 * 449 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 450 * 451 * Adds the strings, if any, to mOptions. 452 */ 453void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 454{ 455 char* start = extraOptsBuf; 456 char* end = NULL; 457 while (*start != '\0') { 458 while (*start == ' ') /* skip leading whitespace */ 459 start++; 460 if (*start == '\0') /* was trailing ws, bail */ 461 break; 462 463 end = start+1; 464 while (*end != ' ' && *end != '\0') /* find end of token */ 465 end++; 466 if (*end == ' ') 467 *end++ = '\0'; /* mark end, advance to indicate more */ 468 469 if (quotingArg != NULL) { 470 addOption(quotingArg); 471 } 472 addOption(start); 473 start = end; 474 } 475} 476 477/* 478 * Reads a "property" into "buffer" with a default of "defaultArg". If 479 * the property is non-empty, it is treated as a runtime option such 480 * as "-Xmx32m". 481 * 482 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 483 * 484 * If an argument is found, it is added to mOptions. 485 * 486 * If an option is found, it is added to mOptions and true is 487 * returned. Otherwise false is returned. 488 */ 489bool AndroidRuntime::parseRuntimeOption(const char* property, 490 char* buffer, 491 const char* runtimeArg, 492 const char* defaultArg) 493{ 494 strcpy(buffer, runtimeArg); 495 size_t runtimeArgLen = strlen(runtimeArg); 496 property_get(property, buffer+runtimeArgLen, defaultArg); 497 if (buffer[runtimeArgLen] == '\0') { 498 return false; 499 } 500 addOption(buffer); 501 return true; 502} 503 504/* 505 * Reads a "property" into "buffer". If the property is non-empty, it 506 * is treated as a dex2oat compiler option that should be 507 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 508 * 509 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 510 * 511 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 512 * 513 * If an option is found, it is added to mOptions and true is 514 * returned. Otherwise false is returned. 515 */ 516bool AndroidRuntime::parseCompilerOption(const char* property, 517 char* buffer, 518 const char* compilerArg, 519 const char* quotingArg) 520{ 521 strcpy(buffer, compilerArg); 522 size_t compilerArgLen = strlen(compilerArg); 523 property_get(property, buffer+compilerArgLen, ""); 524 if (buffer[compilerArgLen] == '\0') { 525 return false; 526 } 527 addOption(quotingArg); 528 addOption(buffer); 529 return true; 530} 531 532/* 533 * Reads a "property" into "buffer". If the property is non-empty, it 534 * is treated as a dex2oat compiler runtime option that should be 535 * passed as a quoted option, e.g. "-Ximage-compiler-option 536 * --runtime-arg -Ximage-compiler-option -Xmx32m". 537 * 538 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 539 * 540 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 541 * 542 * If an option is found, it is added to mOptions and true is 543 * returned. Otherwise false is returned. 544 */ 545bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 546 char* buffer, 547 const char* runtimeArg, 548 const char* quotingArg) 549{ 550 strcpy(buffer, runtimeArg); 551 size_t runtimeArgLen = strlen(runtimeArg); 552 property_get(property, buffer+runtimeArgLen, ""); 553 if (buffer[runtimeArgLen] == '\0') { 554 return false; 555 } 556 addOption(quotingArg); 557 addOption("--runtime-arg"); 558 addOption(quotingArg); 559 addOption(buffer); 560 return true; 561} 562 563/* 564 * Start the Dalvik Virtual Machine. 565 * 566 * Various arguments, most determined by system properties, are passed in. 567 * The "mOptions" vector is updated. 568 * 569 * CAUTION: when adding options in here, be careful not to put the 570 * char buffer inside a nested scope. Adding the buffer to the 571 * options using mOptions.add() does not copy the buffer, so if the 572 * buffer goes out of scope the option may be overwritten. It's best 573 * to put the buffer at the top of the function so that it is more 574 * unlikely that someone will surround it in a scope at a later time 575 * and thus introduce a bug. 576 * 577 * Returns 0 on success. 578 */ 579int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote) 580{ 581 JavaVMInitArgs initArgs; 582 char propBuf[PROPERTY_VALUE_MAX]; 583 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 584 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 585 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 586 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 587 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 588 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 589 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 590 char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX]; 591 char jitmaxsizeOptsBuf[sizeof("-Xjitmaxsize:")-1 + PROPERTY_VALUE_MAX]; 592 char jitinitialsizeOptsBuf[sizeof("-Xjitinitialsize:")-1 + PROPERTY_VALUE_MAX]; 593 char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX]; 594 char useJitProfilesOptsBuf[sizeof("-Xjitsaveprofilinginfo:")-1 + PROPERTY_VALUE_MAX]; 595 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 596 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 597 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 598 char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX]; 599 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 600 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 601 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 602 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 603 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 604 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 605 char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX]; 606 char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX]; 607 char dex2oat_isa_variant_key[PROPERTY_KEY_MAX]; 608 char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX]; 609 char dex2oat_isa_features_key[PROPERTY_KEY_MAX]; 610 char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX]; 611 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 612 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 613 char extraOptsBuf[PROPERTY_VALUE_MAX]; 614 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 615 enum { 616 kEMDefault, 617 kEMIntPortable, 618 kEMIntFast, 619 kEMJitCompiler, 620 } executionMode = kEMDefault; 621 char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX]; 622 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 623 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 624 char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX]; 625 char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX]; 626 char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX]; 627 char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX]; 628 629 bool checkJni = false; 630 property_get("dalvik.vm.checkjni", propBuf, ""); 631 if (strcmp(propBuf, "true") == 0) { 632 checkJni = true; 633 } else if (strcmp(propBuf, "false") != 0) { 634 /* property is neither true nor false; fall back on kernel parameter */ 635 property_get("ro.kernel.android.checkjni", propBuf, ""); 636 if (propBuf[0] == '1') { 637 checkJni = true; 638 } 639 } 640 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 641 if (checkJni) { 642 /* extended JNI checking */ 643 addOption("-Xcheck:jni"); 644 645 /* with -Xcheck:jni, this provides a JNI function call trace */ 646 //addOption("-verbose:jni"); 647 } 648 649 property_get("dalvik.vm.execution-mode", propBuf, ""); 650 if (strcmp(propBuf, "int:portable") == 0) { 651 executionMode = kEMIntPortable; 652 } else if (strcmp(propBuf, "int:fast") == 0) { 653 executionMode = kEMIntFast; 654 } else if (strcmp(propBuf, "int:jit") == 0) { 655 executionMode = kEMJitCompiler; 656 } 657 658 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 659 660 strcpy(jniOptsBuf, "-Xjniopts:"); 661 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 662 ALOGI("JNI options: '%s'\n", jniOptsBuf); 663 } 664 665 /* route exit() to our handler */ 666 addOption("exit", (void*) runtime_exit); 667 668 /* route fprintf() to our handler */ 669 addOption("vfprintf", (void*) runtime_vfprintf); 670 671 /* register the framework-specific "is sensitive thread" hook */ 672 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 673 674 /* enable verbose; standard options are { jni, gc, class } */ 675 //addOption("-verbose:jni"); 676 addOption("-verbose:gc"); 677 //addOption("-verbose:class"); 678 679 /* 680 * The default starting and maximum size of the heap. Larger 681 * values should be specified in a product property override. 682 */ 683 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 684 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 685 686 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 687 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 688 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 689 parseRuntimeOption("dalvik.vm.heaptargetutilization", 690 heaptargetutilizationOptsBuf, 691 "-XX:HeapTargetUtilization="); 692 693 /* 694 * JIT related options. 695 */ 696 parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:"); 697 parseRuntimeOption("dalvik.vm.jitmaxsize", jitmaxsizeOptsBuf, "-Xjitmaxsize:"); 698 parseRuntimeOption("dalvik.vm.jitinitialsize", jitinitialsizeOptsBuf, "-Xjitinitialsize:"); 699 parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:"); 700 property_get("dalvik.vm.usejitprofiles", useJitProfilesOptsBuf, ""); 701 if (strcmp(useJitProfilesOptsBuf, "true") == 0) { 702 addOption("-Xjitsaveprofilinginfo"); 703 } 704 705 property_get("ro.config.low_ram", propBuf, ""); 706 if (strcmp(propBuf, "true") == 0) { 707 addOption("-XX:LowMemoryMode"); 708 } 709 710 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 711 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 712 713 /* 714 * Enable debugging only for apps forked from zygote. 715 * Set suspend=y to pause during VM init and use android ADB transport. 716 */ 717 if (zygote) { 718 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 719 } 720 721 parseRuntimeOption("dalvik.vm.lockprof.threshold", 722 lockProfThresholdBuf, 723 "-Xlockprofthreshold:"); 724 725 if (executionMode == kEMIntPortable) { 726 addOption("-Xint:portable"); 727 } else if (executionMode == kEMIntFast) { 728 addOption("-Xint:fast"); 729 } else if (executionMode == kEMJitCompiler) { 730 addOption("-Xint:jit"); 731 } 732 733 // If we are booting without the real /data, don't spend time compiling. 734 property_get("vold.decrypt", voldDecryptBuf, ""); 735 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 736 (strcmp(voldDecryptBuf, "1") == 0)); 737 738 // Extra options for boot.art/boot.oat image generation. 739 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 740 "-Xms", "-Ximage-compiler-option"); 741 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 742 "-Xmx", "-Ximage-compiler-option"); 743 if (skip_compilation) { 744 addOption("-Ximage-compiler-option"); 745 addOption("--compiler-filter=verify-none"); 746 } else { 747 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 748 "--compiler-filter=", "-Ximage-compiler-option"); 749 } 750 751 // Make sure there is a preloaded-classes file. 752 if (!hasFile("/system/etc/preloaded-classes")) { 753 ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n", 754 strerror(errno)); 755 return -1; 756 } 757 addOption("-Ximage-compiler-option"); 758 addOption("--image-classes=/system/etc/preloaded-classes"); 759 760 // If there is a compiled-classes file, push it. 761 if (hasFile("/system/etc/compiled-classes")) { 762 addOption("-Ximage-compiler-option"); 763 addOption("--compiled-classes=/system/etc/compiled-classes"); 764 } 765 766 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 767 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 768 769 // Extra options for DexClassLoader. 770 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 771 "-Xms", "-Xcompiler-option"); 772 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 773 "-Xmx", "-Xcompiler-option"); 774 if (skip_compilation) { 775 addOption("-Xcompiler-option"); 776 addOption("--compiler-filter=verify-none"); 777 778 // We skip compilation when a minimal runtime is brought up for decryption. In that case 779 // /data is temporarily backed by a tmpfs, which is usually small. 780 // If the system image contains prebuilts, they will be relocated into the tmpfs. In this 781 // specific situation it is acceptable to *not* relocate and run out of the prebuilts 782 // directly instead. 783 addOption("--runtime-arg"); 784 addOption("-Xnorelocate"); 785 } else { 786 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 787 "--compiler-filter=", "-Xcompiler-option"); 788 } 789 parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option"); 790 parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j", 791 "-Ximage-compiler-option"); 792 793 // The runtime will compile a boot image, when necessary, not using installd. Thus, we need to 794 // pass the instruction-set-features/variant as an image-compiler-option. 795 // TODO: Find a better way for the instruction-set. 796#if defined(__arm__) 797 constexpr const char* instruction_set = "arm"; 798#elif defined(__aarch64__) 799 constexpr const char* instruction_set = "arm64"; 800#elif defined(__mips__) && !defined(__LP64__) 801 constexpr const char* instruction_set = "mips"; 802#elif defined(__mips__) && defined(__LP64__) 803 constexpr const char* instruction_set = "mips64"; 804#elif defined(__i386__) 805 constexpr const char* instruction_set = "x86"; 806#elif defined(__x86_64__) 807 constexpr const char* instruction_set = "x86_64"; 808#else 809 constexpr const char* instruction_set = "unknown"; 810#endif 811 // Note: it is OK to reuse the buffer, as the values are exactly the same between 812 // * compiler-option, used for runtime compilation (DexClassLoader) 813 // * image-compiler-option, used for boot-image compilation on device 814 815 // Copy the variant. 816 sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set); 817 parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant, 818 "--instruction-set-variant=", "-Ximage-compiler-option"); 819 parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant, 820 "--instruction-set-variant=", "-Xcompiler-option"); 821 // Copy the features. 822 sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set); 823 parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features, 824 "--instruction-set-features=", "-Ximage-compiler-option"); 825 parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features, 826 "--instruction-set-features=", "-Xcompiler-option"); 827 828 829 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 830 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 831 832 /* extra options; parse this late so it overrides others */ 833 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 834 parseExtraOpts(extraOptsBuf, NULL); 835 836 /* Set the properties for locale */ 837 { 838 strcpy(localeOption, "-Duser.locale="); 839 const std::string locale = readLocale(); 840 strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX); 841 addOption(localeOption); 842 } 843 844 // Trace files are stored in /data/misc/trace which is writable only in debug mode. 845 property_get("ro.debuggable", propBuf, "0"); 846 if (strcmp(propBuf, "1") == 0) { 847 property_get("dalvik.vm.method-trace", propBuf, "false"); 848 if (strcmp(propBuf, "true") == 0) { 849 addOption("-Xmethod-trace"); 850 parseRuntimeOption("dalvik.vm.method-trace-file", 851 methodTraceFileBuf, 852 "-Xmethod-trace-file:"); 853 parseRuntimeOption("dalvik.vm.method-trace-file-siz", 854 methodTraceFileSizeBuf, 855 "-Xmethod-trace-file-size:"); 856 property_get("dalvik.vm.method-trace-stream", propBuf, "false"); 857 if (strcmp(propBuf, "true") == 0) { 858 addOption("-Xmethod-trace-stream"); 859 } 860 } 861 } 862 863 // Native bridge library. "0" means that native bridge is disabled. 864 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 865 if (propBuf[0] == '\0') { 866 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 867 } else if (strcmp(propBuf, "0") != 0) { 868 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 869 "-XX:NativeBridge=%s", propBuf); 870 addOption(nativeBridgeLibrary); 871 } 872 873#if defined(__LP64__) 874 const char* cpu_abilist_property_name = "ro.product.cpu.abilist64"; 875#else 876 const char* cpu_abilist_property_name = "ro.product.cpu.abilist32"; 877#endif // defined(__LP64__) 878 property_get(cpu_abilist_property_name, propBuf, ""); 879 if (propBuf[0] == '\0') { 880 ALOGE("%s is not expected to be empty", cpu_abilist_property_name); 881 return -1; 882 } 883 snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf); 884 addOption(cpuAbiListBuf); 885 886 // Dalvik-cache pruning counter. 887 parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf, 888 "-Xzygote-max-boot-retry="); 889 890 /* 891 * When running with debug.generate-debug-info, add --generate-debug-info to 892 * the compiler options so that the boot image, if it is compiled on device, 893 * will include native debugging information. 894 */ 895 property_get("debug.generate-debug-info", propBuf, ""); 896 if (strcmp(propBuf, "true") == 0) { 897 addOption("-Xcompiler-option"); 898 addOption("--generate-debug-info"); 899 addOption("-Ximage-compiler-option"); 900 addOption("--generate-debug-info"); 901 } 902 903 /* 904 * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will 905 * contain the fingerprint and can be parsed. 906 */ 907 parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:"); 908 909 initArgs.version = JNI_VERSION_1_4; 910 initArgs.options = mOptions.editArray(); 911 initArgs.nOptions = mOptions.size(); 912 initArgs.ignoreUnrecognized = JNI_FALSE; 913 914 /* 915 * Initialize the VM. 916 * 917 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 918 * If this call succeeds, the VM is ready, and we can start issuing 919 * JNI calls. 920 */ 921 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 922 ALOGE("JNI_CreateJavaVM failed\n"); 923 return -1; 924 } 925 926 return 0; 927} 928 929char* AndroidRuntime::toSlashClassName(const char* className) 930{ 931 char* result = strdup(className); 932 for (char* cp = result; *cp != '\0'; cp++) { 933 if (*cp == '.') { 934 *cp = '/'; 935 } 936 } 937 return result; 938} 939 940/** Create a Java string from an ASCII or Latin-1 string */ 941jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) { 942 if (!bytes) return NULL; 943 int length = strlen(bytes); 944 jchar* buffer = (jchar *)alloca(length * sizeof(jchar)); 945 if (!buffer) return NULL; 946 jchar* chp = buffer; 947 for (int i = 0; i < length; i++) { 948 *chp++ = *bytes++; 949 } 950 return env->NewString(buffer, length); 951} 952 953 954/* 955 * Start the Android runtime. This involves starting the virtual machine 956 * and calling the "static void main(String[] args)" method in the class 957 * named by "className". 958 * 959 * Passes the main function two arguments, the class name and the specified 960 * options string. 961 */ 962void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote) 963{ 964 ALOGD(">>>>>> START %s uid %d <<<<<<\n", 965 className != NULL ? className : "(unknown)", getuid()); 966 967 static const String8 startSystemServer("start-system-server"); 968 969 /* 970 * 'startSystemServer == true' means runtime is obsolete and not run from 971 * init.rc anymore, so we print out the boot start event here. 972 */ 973 for (size_t i = 0; i < options.size(); ++i) { 974 if (options[i] == startSystemServer) { 975 /* track our progress through the boot sequence */ 976 const int LOG_BOOT_PROGRESS_START = 3000; 977 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 978 } 979 } 980 981 const char* rootDir = getenv("ANDROID_ROOT"); 982 if (rootDir == NULL) { 983 rootDir = "/system"; 984 if (!hasDir("/system")) { 985 LOG_FATAL("No root directory specified, and /android does not exist."); 986 return; 987 } 988 setenv("ANDROID_ROOT", rootDir, 1); 989 } 990 991 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 992 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 993 994 /* start the virtual machine */ 995 JniInvocation jni_invocation; 996 jni_invocation.Init(NULL); 997 JNIEnv* env; 998 if (startVm(&mJavaVM, &env, zygote) != 0) { 999 return; 1000 } 1001 onVmCreated(env); 1002 1003 /* 1004 * Register android functions. 1005 */ 1006 if (startReg(env) < 0) { 1007 ALOGE("Unable to register all android natives\n"); 1008 return; 1009 } 1010 1011 /* 1012 * We want to call main() with a String array with arguments in it. 1013 * At present we have two arguments, the class name and an option string. 1014 * Create an array to hold them. 1015 */ 1016 jclass stringClass; 1017 jobjectArray strArray; 1018 jstring classNameStr; 1019 1020 stringClass = env->FindClass("java/lang/String"); 1021 assert(stringClass != NULL); 1022 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 1023 assert(strArray != NULL); 1024 classNameStr = env->NewStringUTF(className); 1025 assert(classNameStr != NULL); 1026 env->SetObjectArrayElement(strArray, 0, classNameStr); 1027 1028 for (size_t i = 0; i < options.size(); ++i) { 1029 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 1030 assert(optionsStr != NULL); 1031 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 1032 } 1033 1034 /* 1035 * Start VM. This thread becomes the main thread of the VM, and will 1036 * not return until the VM exits. 1037 */ 1038 char* slashClassName = toSlashClassName(className); 1039 jclass startClass = env->FindClass(slashClassName); 1040 if (startClass == NULL) { 1041 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1042 /* keep going */ 1043 } else { 1044 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1045 "([Ljava/lang/String;)V"); 1046 if (startMeth == NULL) { 1047 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1048 /* keep going */ 1049 } else { 1050 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1051 1052#if 0 1053 if (env->ExceptionCheck()) 1054 threadExitUncaughtException(env); 1055#endif 1056 } 1057 } 1058 free(slashClassName); 1059 1060 ALOGD("Shutting down VM\n"); 1061 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1062 ALOGW("Warning: unable to detach main thread\n"); 1063 if (mJavaVM->DestroyJavaVM() != 0) 1064 ALOGW("Warning: VM did not shut down cleanly\n"); 1065} 1066 1067void AndroidRuntime::exit(int code) 1068{ 1069 if (mExitWithoutCleanup) { 1070 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1071 ::_exit(code); 1072 } else { 1073 ALOGI("VM exiting with result code %d.", code); 1074 onExit(code); 1075 ::exit(code); 1076 } 1077} 1078 1079void AndroidRuntime::onVmCreated(JNIEnv* env) 1080{ 1081 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1082} 1083 1084/* 1085 * Get the JNIEnv pointer for this thread. 1086 * 1087 * Returns NULL if the slot wasn't allocated or populated. 1088 */ 1089/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1090{ 1091 JNIEnv* env; 1092 JavaVM* vm = AndroidRuntime::getJavaVM(); 1093 assert(vm != NULL); 1094 1095 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1096 return NULL; 1097 return env; 1098} 1099 1100/* 1101 * Makes the current thread visible to the VM. 1102 * 1103 * The JNIEnv pointer returned is only valid for the current thread, and 1104 * thus must be tucked into thread-local storage. 1105 */ 1106static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1107{ 1108 JavaVMAttachArgs args; 1109 JavaVM* vm; 1110 jint result; 1111 1112 vm = AndroidRuntime::getJavaVM(); 1113 assert(vm != NULL); 1114 1115 args.version = JNI_VERSION_1_4; 1116 args.name = (char*) threadName; 1117 args.group = NULL; 1118 1119 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1120 if (result != JNI_OK) 1121 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1122 1123 return result; 1124} 1125 1126/* 1127 * Detach the current thread from the set visible to the VM. 1128 */ 1129static int javaDetachThread(void) 1130{ 1131 JavaVM* vm; 1132 jint result; 1133 1134 vm = AndroidRuntime::getJavaVM(); 1135 assert(vm != NULL); 1136 1137 result = vm->DetachCurrentThread(); 1138 if (result != JNI_OK) 1139 ALOGE("ERROR: thread detach failed\n"); 1140 return result; 1141} 1142 1143/* 1144 * When starting a native thread that will be visible from the VM, we 1145 * bounce through this to get the right attach/detach action. 1146 * Note that this function calls free(args) 1147 */ 1148/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1149 void* start = ((void**)args)[0]; 1150 void* userData = ((void **)args)[1]; 1151 char* name = (char*) ((void **)args)[2]; // we own this storage 1152 free(args); 1153 JNIEnv* env; 1154 int result; 1155 1156 /* hook us into the VM */ 1157 if (javaAttachThread(name, &env) != JNI_OK) 1158 return -1; 1159 1160 /* start the thread running */ 1161 result = (*(android_thread_func_t)start)(userData); 1162 1163 /* unhook us */ 1164 javaDetachThread(); 1165 free(name); 1166 1167 return result; 1168} 1169 1170/* 1171 * This is invoked from androidCreateThreadEtc() via the callback 1172 * set with androidSetCreateThreadFunc(). 1173 * 1174 * We need to create the new thread in such a way that it gets hooked 1175 * into the VM before it really starts executing. 1176 */ 1177/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1178 android_thread_func_t entryFunction, 1179 void* userData, 1180 const char* threadName, 1181 int32_t threadPriority, 1182 size_t threadStackSize, 1183 android_thread_id_t* threadId) 1184{ 1185 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1186 int result; 1187 1188 LOG_ALWAYS_FATAL_IF(threadName == nullptr, "threadName not provided to javaCreateThreadEtc"); 1189 1190 args[0] = (void*) entryFunction; 1191 args[1] = userData; 1192 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1193 1194 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1195 threadName, threadPriority, threadStackSize, threadId); 1196 return result; 1197} 1198 1199/* 1200 * Create a thread that is visible from the VM. 1201 * 1202 * This is called from elsewhere in the library. 1203 */ 1204/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1205 void (*start)(void *), void* arg) 1206{ 1207 android_thread_id_t threadId = 0; 1208 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1209 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1210 return threadId; 1211} 1212 1213#if 0 1214static void quickTest(void* arg) 1215{ 1216 const char* str = (const char*) arg; 1217 1218 printf("In quickTest: %s\n", str); 1219} 1220#endif 1221 1222#ifdef NDEBUG 1223 #define REG_JNI(name) { name } 1224 struct RegJNIRec { 1225 int (*mProc)(JNIEnv*); 1226 }; 1227#else 1228 #define REG_JNI(name) { name, #name } 1229 struct RegJNIRec { 1230 int (*mProc)(JNIEnv*); 1231 const char* mName; 1232 }; 1233#endif 1234 1235typedef void (*RegJAMProc)(); 1236 1237static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1238{ 1239 for (size_t i = 0; i < count; i++) { 1240 if (array[i].mProc(env) < 0) { 1241#ifndef NDEBUG 1242 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1243#endif 1244 return -1; 1245 } 1246 } 1247 return 0; 1248} 1249 1250static const RegJNIRec gRegJNI[] = { 1251 REG_JNI(register_com_android_internal_os_RuntimeInit), 1252 REG_JNI(register_android_os_SystemClock), 1253 REG_JNI(register_android_util_EventLog), 1254 REG_JNI(register_android_util_Log), 1255 REG_JNI(register_android_util_PathParser), 1256 REG_JNI(register_android_auditing_SecurityLog), 1257 REG_JNI(register_android_content_AssetManager), 1258 REG_JNI(register_android_content_StringBlock), 1259 REG_JNI(register_android_content_XmlBlock), 1260 REG_JNI(register_android_text_AndroidCharacter), 1261 REG_JNI(register_android_text_StaticLayout), 1262 REG_JNI(register_android_text_AndroidBidi), 1263 REG_JNI(register_android_view_InputDevice), 1264 REG_JNI(register_android_view_KeyCharacterMap), 1265 REG_JNI(register_android_os_Process), 1266 REG_JNI(register_android_os_SystemProperties), 1267 REG_JNI(register_android_os_Binder), 1268 REG_JNI(register_android_os_Parcel), 1269 REG_JNI(register_android_nio_utils), 1270 REG_JNI(register_android_graphics_Canvas), 1271 REG_JNI(register_android_graphics_Graphics), 1272 REG_JNI(register_android_view_DisplayEventReceiver), 1273 REG_JNI(register_android_view_RenderNode), 1274 REG_JNI(register_android_view_RenderNodeAnimator), 1275 REG_JNI(register_android_view_GraphicBuffer), 1276 REG_JNI(register_android_view_DisplayListCanvas), 1277 REG_JNI(register_android_view_HardwareLayer), 1278 REG_JNI(register_android_view_ThreadedRenderer), 1279 REG_JNI(register_android_view_Surface), 1280 REG_JNI(register_android_view_SurfaceControl), 1281 REG_JNI(register_android_view_SurfaceSession), 1282 REG_JNI(register_android_view_TextureView), 1283 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1284 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1285 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1286 REG_JNI(register_android_opengl_jni_EGL14), 1287 REG_JNI(register_android_opengl_jni_EGLExt), 1288 REG_JNI(register_android_opengl_jni_GLES10), 1289 REG_JNI(register_android_opengl_jni_GLES10Ext), 1290 REG_JNI(register_android_opengl_jni_GLES11), 1291 REG_JNI(register_android_opengl_jni_GLES11Ext), 1292 REG_JNI(register_android_opengl_jni_GLES20), 1293 REG_JNI(register_android_opengl_jni_GLES30), 1294 REG_JNI(register_android_opengl_jni_GLES31), 1295 REG_JNI(register_android_opengl_jni_GLES31Ext), 1296 REG_JNI(register_android_opengl_jni_GLES32), 1297 1298 REG_JNI(register_android_graphics_Bitmap), 1299 REG_JNI(register_android_graphics_BitmapFactory), 1300 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1301 REG_JNI(register_android_graphics_Camera), 1302 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1303 REG_JNI(register_android_graphics_CanvasProperty), 1304 REG_JNI(register_android_graphics_ColorFilter), 1305 REG_JNI(register_android_graphics_DrawFilter), 1306 REG_JNI(register_android_graphics_FontFamily), 1307 REG_JNI(register_android_graphics_Interpolator), 1308 REG_JNI(register_android_graphics_LayerRasterizer), 1309 REG_JNI(register_android_graphics_MaskFilter), 1310 REG_JNI(register_android_graphics_Matrix), 1311 REG_JNI(register_android_graphics_Movie), 1312 REG_JNI(register_android_graphics_NinePatch), 1313 REG_JNI(register_android_graphics_Paint), 1314 REG_JNI(register_android_graphics_Path), 1315 REG_JNI(register_android_graphics_PathMeasure), 1316 REG_JNI(register_android_graphics_PathEffect), 1317 REG_JNI(register_android_graphics_Picture), 1318 REG_JNI(register_android_graphics_PorterDuff), 1319 REG_JNI(register_android_graphics_Rasterizer), 1320 REG_JNI(register_android_graphics_Region), 1321 REG_JNI(register_android_graphics_Shader), 1322 REG_JNI(register_android_graphics_SurfaceTexture), 1323 REG_JNI(register_android_graphics_Typeface), 1324 REG_JNI(register_android_graphics_Xfermode), 1325 REG_JNI(register_android_graphics_YuvImage), 1326 REG_JNI(register_android_graphics_drawable_AnimatedVectorDrawable), 1327 REG_JNI(register_android_graphics_drawable_VectorDrawable), 1328 REG_JNI(register_android_graphics_pdf_PdfDocument), 1329 REG_JNI(register_android_graphics_pdf_PdfEditor), 1330 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1331 1332 REG_JNI(register_android_database_CursorWindow), 1333 REG_JNI(register_android_database_SQLiteConnection), 1334 REG_JNI(register_android_database_SQLiteGlobal), 1335 REG_JNI(register_android_database_SQLiteDebug), 1336 REG_JNI(register_android_os_Debug), 1337 REG_JNI(register_android_os_FileObserver), 1338 REG_JNI(register_android_os_MessageQueue), 1339 REG_JNI(register_android_os_SELinux), 1340 REG_JNI(register_android_os_Trace), 1341 REG_JNI(register_android_os_UEventObserver), 1342 REG_JNI(register_android_net_LocalSocketImpl), 1343 REG_JNI(register_android_net_NetworkUtils), 1344 REG_JNI(register_android_net_TrafficStats), 1345 REG_JNI(register_android_os_MemoryFile), 1346 REG_JNI(register_com_android_internal_os_Zygote), 1347 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1348 REG_JNI(register_android_hardware_Camera), 1349 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1350 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1351 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1352 REG_JNI(register_android_hardware_camera2_DngCreator), 1353 REG_JNI(register_android_hardware_Radio), 1354 REG_JNI(register_android_hardware_SensorManager), 1355 REG_JNI(register_android_hardware_SerialPort), 1356 REG_JNI(register_android_hardware_SoundTrigger), 1357 REG_JNI(register_android_hardware_UsbDevice), 1358 REG_JNI(register_android_hardware_UsbDeviceConnection), 1359 REG_JNI(register_android_hardware_UsbRequest), 1360 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1361 REG_JNI(register_android_hardware_location_ContextHubService), 1362 REG_JNI(register_android_media_AudioRecord), 1363 REG_JNI(register_android_media_AudioSystem), 1364 REG_JNI(register_android_media_AudioTrack), 1365 REG_JNI(register_android_media_JetPlayer), 1366 REG_JNI(register_android_media_RemoteDisplay), 1367 REG_JNI(register_android_media_ToneGenerator), 1368 1369 REG_JNI(register_android_opengl_classes), 1370 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1371 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1372 REG_JNI(register_android_backup_BackupDataInput), 1373 REG_JNI(register_android_backup_BackupDataOutput), 1374 REG_JNI(register_android_backup_FileBackupHelperBase), 1375 REG_JNI(register_android_backup_BackupHelperDispatcher), 1376 REG_JNI(register_android_app_backup_FullBackup), 1377 REG_JNI(register_android_app_ApplicationLoaders), 1378 REG_JNI(register_android_app_Activity), 1379 REG_JNI(register_android_app_ActivityThread), 1380 REG_JNI(register_android_app_NativeActivity), 1381 REG_JNI(register_android_util_jar_StrictJarFile), 1382 REG_JNI(register_android_view_InputChannel), 1383 REG_JNI(register_android_view_InputEventReceiver), 1384 REG_JNI(register_android_view_InputEventSender), 1385 REG_JNI(register_android_view_InputQueue), 1386 REG_JNI(register_android_view_KeyEvent), 1387 REG_JNI(register_android_view_MotionEvent), 1388 REG_JNI(register_android_view_PointerIcon), 1389 REG_JNI(register_android_view_VelocityTracker), 1390 1391 REG_JNI(register_android_content_res_ObbScanner), 1392 REG_JNI(register_android_content_res_Configuration), 1393 1394 REG_JNI(register_android_animation_PropertyValuesHolder), 1395 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1396 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1397 1398}; 1399 1400/* 1401 * Register android native functions with the VM. 1402 */ 1403/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1404{ 1405 ATRACE_NAME("RegisterAndroidNatives"); 1406 /* 1407 * This hook causes all future threads created in this process to be 1408 * attached to the JavaVM. (This needs to go away in favor of JNI 1409 * Attach calls.) 1410 */ 1411 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1412 1413 ALOGV("--- registering native functions ---\n"); 1414 1415 /* 1416 * Every "register" function calls one or more things that return 1417 * a local reference (e.g. FindClass). Because we haven't really 1418 * started the VM yet, they're all getting stored in the base frame 1419 * and never released. Use Push/Pop to manage the storage. 1420 */ 1421 env->PushLocalFrame(200); 1422 1423 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1424 env->PopLocalFrame(NULL); 1425 return -1; 1426 } 1427 env->PopLocalFrame(NULL); 1428 1429 //createJavaThread("fubar", quickTest, (void*) "hello"); 1430 1431 return 0; 1432} 1433 1434AndroidRuntime* AndroidRuntime::getRuntime() 1435{ 1436 return gCurRuntime; 1437} 1438 1439/** 1440 * Used by surface flinger's DdmConnection to register native methods from 1441 * the framework. 1442 */ 1443extern "C" jint registerFrameworkNatives(JNIEnv* env) { 1444 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1445} 1446} // namespace android 1447