AndroidRuntime.cpp revision 38b63f0edeaa856335ce8a047404bc4ca2ac6de7
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "AndroidRuntime" 18//#define LOG_NDEBUG 0 19 20#include <android_runtime/AndroidRuntime.h> 21#include <binder/IBinder.h> 22#include <binder/IPCThreadState.h> 23#include <binder/IServiceManager.h> 24#include <utils/Log.h> 25#include <utils/misc.h> 26#include <binder/Parcel.h> 27#include <utils/threads.h> 28#include <cutils/properties.h> 29 30#include <SkGraphics.h> 31#include <SkImageDecoder.h> 32 33#include "jni.h" 34#include "JNIHelp.h" 35#include "JniInvocation.h" 36#include "android_util_Binder.h" 37 38#include <stdio.h> 39#include <signal.h> 40#include <sys/stat.h> 41#include <sys/types.h> 42#include <signal.h> 43#include <dirent.h> 44#include <assert.h> 45 46 47using namespace android; 48 49extern int register_android_os_Binder(JNIEnv* env); 50extern int register_android_os_Process(JNIEnv* env); 51extern int register_android_graphics_Bitmap(JNIEnv*); 52extern int register_android_graphics_BitmapFactory(JNIEnv*); 53extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*); 54extern int register_android_graphics_Camera(JNIEnv* env); 55extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env); 56extern int register_android_graphics_Graphics(JNIEnv* env); 57extern int register_android_graphics_Interpolator(JNIEnv* env); 58extern int register_android_graphics_MaskFilter(JNIEnv* env); 59extern int register_android_graphics_Movie(JNIEnv* env); 60extern int register_android_graphics_NinePatch(JNIEnv*); 61extern int register_android_graphics_PathEffect(JNIEnv* env); 62extern int register_android_graphics_Shader(JNIEnv* env); 63extern int register_android_graphics_Typeface(JNIEnv* env); 64extern int register_android_graphics_YuvImage(JNIEnv* env); 65 66extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 67extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 68extern int register_android_opengl_jni_EGL14(JNIEnv* env); 69extern int register_android_opengl_jni_EGLExt(JNIEnv* env); 70extern int register_android_opengl_jni_GLES10(JNIEnv* env); 71extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 72extern int register_android_opengl_jni_GLES11(JNIEnv* env); 73extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 74extern int register_android_opengl_jni_GLES20(JNIEnv* env); 75extern int register_android_opengl_jni_GLES30(JNIEnv* env); 76extern int register_android_opengl_jni_GLES31(JNIEnv* env); 77extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env); 78 79extern int register_android_hardware_Camera(JNIEnv *env); 80extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env); 81extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env); 82extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env); 83extern int register_android_hardware_camera2_DngCreator(JNIEnv *env); 84extern int register_android_hardware_SensorManager(JNIEnv *env); 85extern int register_android_hardware_SerialPort(JNIEnv *env); 86extern int register_android_hardware_SoundTrigger(JNIEnv *env); 87extern int register_android_hardware_UsbDevice(JNIEnv *env); 88extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env); 89extern int register_android_hardware_UsbRequest(JNIEnv *env); 90extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env); 91 92extern int register_android_media_AudioRecord(JNIEnv *env); 93extern int register_android_media_AudioSystem(JNIEnv *env); 94extern int register_android_media_AudioTrack(JNIEnv *env); 95extern int register_android_media_JetPlayer(JNIEnv *env); 96extern int register_android_media_ToneGenerator(JNIEnv *env); 97 98namespace android { 99 100/* 101 * JNI-based registration functions. Note these are properly contained in 102 * namespace android. 103 */ 104extern int register_android_content_AssetManager(JNIEnv* env); 105extern int register_android_util_EventLog(JNIEnv* env); 106extern int register_android_util_Log(JNIEnv* env); 107extern int register_android_content_StringBlock(JNIEnv* env); 108extern int register_android_content_XmlBlock(JNIEnv* env); 109extern int register_android_emoji_EmojiFactory(JNIEnv* env); 110extern int register_android_graphics_Canvas(JNIEnv* env); 111extern int register_android_graphics_CanvasProperty(JNIEnv* env); 112extern int register_android_graphics_ColorFilter(JNIEnv* env); 113extern int register_android_graphics_DrawFilter(JNIEnv* env); 114extern int register_android_graphics_FontFamily(JNIEnv* env); 115extern int register_android_graphics_LayerRasterizer(JNIEnv*); 116extern int register_android_graphics_Matrix(JNIEnv* env); 117extern int register_android_graphics_Paint(JNIEnv* env); 118extern int register_android_graphics_Path(JNIEnv* env); 119extern int register_android_graphics_PathMeasure(JNIEnv* env); 120extern int register_android_graphics_Picture(JNIEnv*); 121extern int register_android_graphics_PorterDuff(JNIEnv* env); 122extern int register_android_graphics_Rasterizer(JNIEnv* env); 123extern int register_android_graphics_Region(JNIEnv* env); 124extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 125extern int register_android_graphics_Xfermode(JNIEnv* env); 126extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env); 127extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env); 128extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env); 129extern int register_android_view_DisplayEventReceiver(JNIEnv* env); 130extern int register_android_view_RenderNode(JNIEnv* env); 131extern int register_android_view_RenderNodeAnimator(JNIEnv* env); 132extern int register_android_view_GraphicBuffer(JNIEnv* env); 133extern int register_android_view_GLES20Canvas(JNIEnv* env); 134extern int register_android_view_HardwareLayer(JNIEnv* env); 135extern int register_android_view_ThreadedRenderer(JNIEnv* env); 136extern int register_android_view_Surface(JNIEnv* env); 137extern int register_android_view_SurfaceControl(JNIEnv* env); 138extern int register_android_view_SurfaceSession(JNIEnv* env); 139extern int register_android_view_TextureView(JNIEnv* env); 140extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env); 141extern int register_android_database_CursorWindow(JNIEnv* env); 142extern int register_android_database_SQLiteConnection(JNIEnv* env); 143extern int register_android_database_SQLiteGlobal(JNIEnv* env); 144extern int register_android_database_SQLiteDebug(JNIEnv* env); 145extern int register_android_nio_utils(JNIEnv* env); 146extern int register_android_os_Debug(JNIEnv* env); 147extern int register_android_os_MessageQueue(JNIEnv* env); 148extern int register_android_os_Parcel(JNIEnv* env); 149extern int register_android_os_SELinux(JNIEnv* env); 150extern int register_android_os_SystemProperties(JNIEnv *env); 151extern int register_android_os_SystemClock(JNIEnv* env); 152extern int register_android_os_Trace(JNIEnv* env); 153extern int register_android_os_FileObserver(JNIEnv *env); 154extern int register_android_os_UEventObserver(JNIEnv* env); 155extern int register_android_os_MemoryFile(JNIEnv* env); 156extern int register_android_net_LocalSocketImpl(JNIEnv* env); 157extern int register_android_net_NetworkUtils(JNIEnv* env); 158extern int register_android_net_TrafficStats(JNIEnv* env); 159extern int register_android_text_AndroidCharacter(JNIEnv *env); 160extern int register_android_text_StaticLayout(JNIEnv *env); 161extern int register_android_text_AndroidBidi(JNIEnv *env); 162extern int register_android_opengl_classes(JNIEnv *env); 163extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 164extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env); 165extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 166extern int register_android_backup_BackupDataInput(JNIEnv *env); 167extern int register_android_backup_BackupDataOutput(JNIEnv *env); 168extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 169extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 170extern int register_android_app_backup_FullBackup(JNIEnv *env); 171extern int register_android_app_ActivityThread(JNIEnv *env); 172extern int register_android_app_NativeActivity(JNIEnv *env); 173extern int register_android_media_RemoteDisplay(JNIEnv *env); 174extern int register_android_view_InputChannel(JNIEnv* env); 175extern int register_android_view_InputDevice(JNIEnv* env); 176extern int register_android_view_InputEventReceiver(JNIEnv* env); 177extern int register_android_view_InputEventSender(JNIEnv* env); 178extern int register_android_view_InputQueue(JNIEnv* env); 179extern int register_android_view_KeyCharacterMap(JNIEnv *env); 180extern int register_android_view_KeyEvent(JNIEnv* env); 181extern int register_android_view_MotionEvent(JNIEnv* env); 182extern int register_android_view_PointerIcon(JNIEnv* env); 183extern int register_android_view_VelocityTracker(JNIEnv* env); 184extern int register_android_content_res_ObbScanner(JNIEnv* env); 185extern int register_android_content_res_Configuration(JNIEnv* env); 186extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 187extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 188extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env); 189extern int register_com_android_internal_os_Zygote(JNIEnv *env); 190extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env); 191 192static AndroidRuntime* gCurRuntime = NULL; 193 194static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 195{ 196 if (jniThrowException(env, exc, msg) != 0) 197 assert(false); 198} 199 200/* 201 * Code written in the Java Programming Language calls here from main(). 202 */ 203static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 204{ 205 gCurRuntime->onStarted(); 206} 207 208static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 209{ 210 gCurRuntime->onZygoteInit(); 211} 212 213static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 214 jobject clazz, jboolean exitWithoutCleanup) 215{ 216 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 217} 218 219/* 220 * JNI registration. 221 */ 222static JNINativeMethod gMethods[] = { 223 { "nativeFinishInit", "()V", 224 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 225 { "nativeZygoteInit", "()V", 226 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 227 { "nativeSetExitWithoutCleanup", "(Z)V", 228 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 229}; 230 231int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 232{ 233 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 234 gMethods, NELEM(gMethods)); 235} 236 237// ---------------------------------------------------------------------- 238 239/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 240 241AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) : 242 mExitWithoutCleanup(false), 243 mArgBlockStart(argBlockStart), 244 mArgBlockLength(argBlockLength) 245{ 246 SkGraphics::Init(); 247 // There is also a global font cache, but its budget is specified in code 248 // see SkFontHost_android.cpp 249 250 // Pre-allocate enough space to hold a fair number of options. 251 mOptions.setCapacity(20); 252 253 assert(gCurRuntime == NULL); // one per process 254 gCurRuntime = this; 255} 256 257AndroidRuntime::~AndroidRuntime() 258{ 259 SkGraphics::Term(); 260} 261 262/* 263 * Register native methods using JNI. 264 */ 265/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 266 const char* className, const JNINativeMethod* gMethods, int numMethods) 267{ 268 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 269} 270 271void AndroidRuntime::setArgv0(const char* argv0) { 272 memset(mArgBlockStart, 0, mArgBlockLength); 273 strlcpy(mArgBlockStart, argv0, mArgBlockLength); 274} 275 276status_t AndroidRuntime::callMain(const String8& className, jclass clazz, 277 const Vector<String8>& args) 278{ 279 JNIEnv* env; 280 jmethodID methodId; 281 282 ALOGD("Calling main entry %s", className.string()); 283 284 env = getJNIEnv(); 285 if (clazz == NULL || env == NULL) { 286 return UNKNOWN_ERROR; 287 } 288 289 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 290 if (methodId == NULL) { 291 ALOGE("ERROR: could not find method %s.main(String[])\n", className.string()); 292 return UNKNOWN_ERROR; 293 } 294 295 /* 296 * We want to call main() with a String array with our arguments in it. 297 * Create an array and populate it. 298 */ 299 jclass stringClass; 300 jobjectArray strArray; 301 302 const size_t numArgs = args.size(); 303 stringClass = env->FindClass("java/lang/String"); 304 strArray = env->NewObjectArray(numArgs, stringClass, NULL); 305 306 for (size_t i = 0; i < numArgs; i++) { 307 jstring argStr = env->NewStringUTF(args[i].string()); 308 env->SetObjectArrayElement(strArray, i, argStr); 309 } 310 311 env->CallStaticVoidMethod(clazz, methodId, strArray); 312 return NO_ERROR; 313} 314 315/* 316 * The VM calls this through the "exit" hook. 317 */ 318static void runtime_exit(int code) 319{ 320 gCurRuntime->exit(code); 321} 322 323/* 324 * The VM calls this through the "vfprintf" hook. 325 * 326 * We ignore "fp" and just write the results to the log file. 327 */ 328static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 329{ 330 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 331} 332 333/** 334 * The VM calls this when mutex contention debugging is enabled to 335 * determine whether or not the blocked thread was a "sensitive thread" 336 * for user responsiveness/smoothess. 337 * 338 * Our policy for this is whether or not we're tracing any StrictMode 339 * events on this thread (which we might've inherited via Binder calls 340 * into us) 341 */ 342static bool runtime_isSensitiveThread() { 343 IPCThreadState* state = IPCThreadState::selfOrNull(); 344 return state && state->getStrictModePolicy() != 0; 345} 346 347static int hasDir(const char* dir) 348{ 349 struct stat s; 350 int res = stat(dir, &s); 351 if (res == 0) { 352 return S_ISDIR(s.st_mode); 353 } 354 return 0; 355} 356 357/* 358 * Read the persistent locale. 359 */ 360static void readLocale(char* language, char* region) 361{ 362 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 363 364 property_get("persist.sys.language", propLang, ""); 365 property_get("persist.sys.country", propRegn, ""); 366 if (*propLang == 0 && *propRegn == 0) { 367 /* Set to ro properties, default is en_US */ 368 property_get("ro.product.locale.language", propLang, "en"); 369 property_get("ro.product.locale.region", propRegn, "US"); 370 } 371 strncat(language, propLang, 3); 372 strncat(region, propRegn, 3); 373 //ALOGD("language=%s region=%s\n", language, region); 374} 375 376void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 377{ 378 JavaVMOption opt; 379 opt.optionString = optionString; 380 opt.extraInfo = extraInfo; 381 mOptions.add(opt); 382} 383 384/* 385 * Parse a property containing space-separated options that should be 386 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 387 * 388 * This will cut up "extraOptsBuf" as we chop it into individual options. 389 * 390 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 391 * 392 * Adds the strings, if any, to mOptions. 393 */ 394void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 395{ 396 char* start = extraOptsBuf; 397 char* end = NULL; 398 while (*start != '\0') { 399 while (*start == ' ') /* skip leading whitespace */ 400 start++; 401 if (*start == '\0') /* was trailing ws, bail */ 402 break; 403 404 end = start+1; 405 while (*end != ' ' && *end != '\0') /* find end of token */ 406 end++; 407 if (*end == ' ') 408 *end++ = '\0'; /* mark end, advance to indicate more */ 409 410 if (quotingArg != NULL) { 411 addOption(quotingArg); 412 } 413 addOption(start); 414 start = end; 415 } 416} 417 418/* 419 * Reads a "property" into "buffer" with a default of "defaultArg". If 420 * the property is non-empty, it is treated as a runtime option such 421 * as "-Xmx32m". 422 * 423 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 424 * 425 * If an argument is found, it is added to mOptions. 426 * 427 * If an option is found, it is added to mOptions and true is 428 * returned. Otherwise false is returned. 429 */ 430bool AndroidRuntime::parseRuntimeOption(const char* property, 431 char* buffer, 432 const char* runtimeArg, 433 const char* defaultArg) 434{ 435 strcpy(buffer, runtimeArg); 436 size_t runtimeArgLen = strlen(runtimeArg); 437 property_get(property, buffer+runtimeArgLen, defaultArg); 438 if (buffer[runtimeArgLen] == '\0') { 439 return false; 440 } 441 addOption(buffer); 442 return true; 443} 444 445/* 446 * Reads a "property" into "buffer". If the property is non-empty, it 447 * is treated as a dex2oat compiler option that should be 448 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 449 * 450 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 451 * 452 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 453 * 454 * If an option is found, it is added to mOptions and true is 455 * returned. Otherwise false is returned. 456 */ 457bool AndroidRuntime::parseCompilerOption(const char* property, 458 char* buffer, 459 const char* compilerArg, 460 const char* quotingArg) 461{ 462 strcpy(buffer, compilerArg); 463 size_t compilerArgLen = strlen(compilerArg); 464 property_get(property, buffer+compilerArgLen, ""); 465 if (buffer[compilerArgLen] == '\0') { 466 return false; 467 } 468 addOption(quotingArg); 469 addOption(buffer); 470 return true; 471} 472 473/* 474 * Reads a "property" into "buffer". If the property is non-empty, it 475 * is treated as a dex2oat compiler runtime option that should be 476 * passed as a quoted option, e.g. "-Ximage-compiler-option 477 * --runtime-arg -Ximage-compiler-option -Xmx32m". 478 * 479 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 480 * 481 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 482 * 483 * If an option is found, it is added to mOptions and true is 484 * returned. Otherwise false is returned. 485 */ 486bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 487 char* buffer, 488 const char* runtimeArg, 489 const char* quotingArg) 490{ 491 strcpy(buffer, runtimeArg); 492 size_t runtimeArgLen = strlen(runtimeArg); 493 property_get(property, buffer+runtimeArgLen, ""); 494 if (buffer[runtimeArgLen] == '\0') { 495 return false; 496 } 497 addOption(quotingArg); 498 addOption("--runtime-arg"); 499 addOption(quotingArg); 500 addOption(buffer); 501 return true; 502} 503 504/* 505 * Start the Dalvik Virtual Machine. 506 * 507 * Various arguments, most determined by system properties, are passed in. 508 * The "mOptions" vector is updated. 509 * 510 * CAUTION: when adding options in here, be careful not to put the 511 * char buffer inside a nested scope. Adding the buffer to the 512 * options using mOptions.add() does not copy the buffer, so if the 513 * buffer goes out of scope the option may be overwritten. It's best 514 * to put the buffer at the top of the function so that it is more 515 * unlikely that someone will surround it in a scope at a later time 516 * and thus introduce a bug. 517 * 518 * Returns 0 on success. 519 */ 520int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 521{ 522 int result = -1; 523 JavaVMInitArgs initArgs; 524 char propBuf[PROPERTY_VALUE_MAX]; 525 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 526 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 527 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 528 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 529 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 530 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 531 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 532 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 533 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 534 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 535 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 536 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 537 char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX]; 538 char dalvikVmLibBuf[PROPERTY_VALUE_MAX]; 539 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 540 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 541 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 542 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 543 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 544 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 545 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 546 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 547 char extraOptsBuf[PROPERTY_VALUE_MAX]; 548 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 549 enum { 550 kEMDefault, 551 kEMIntPortable, 552 kEMIntFast, 553 kEMJitCompiler, 554 } executionMode = kEMDefault; 555 char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX]; 556 char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX]; 557 char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX]; 558 char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX]; 559 char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX]; 560 char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 + 561 PROPERTY_VALUE_MAX]; 562 char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX]; 563 char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX]; 564 char langOption[sizeof("-Duser.language=") + 3]; 565 char regionOption[sizeof("-Duser.region=") + 3]; 566 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 567 char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX]; 568 char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX]; 569 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 570 571 bool checkJni = false; 572 property_get("dalvik.vm.checkjni", propBuf, ""); 573 if (strcmp(propBuf, "true") == 0) { 574 checkJni = true; 575 } else if (strcmp(propBuf, "false") != 0) { 576 /* property is neither true nor false; fall back on kernel parameter */ 577 property_get("ro.kernel.android.checkjni", propBuf, ""); 578 if (propBuf[0] == '1') { 579 checkJni = true; 580 } 581 } 582 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 583 if (checkJni) { 584 /* extended JNI checking */ 585 addOption("-Xcheck:jni"); 586 587 /* set a cap on JNI global references */ 588 addOption("-Xjnigreflimit:2000"); 589 590 /* with -Xcheck:jni, this provides a JNI function call trace */ 591 //addOption("-verbose:jni"); 592 } 593 594 property_get("dalvik.vm.execution-mode", propBuf, ""); 595 if (strcmp(propBuf, "int:portable") == 0) { 596 executionMode = kEMIntPortable; 597 } else if (strcmp(propBuf, "int:fast") == 0) { 598 executionMode = kEMIntFast; 599 } else if (strcmp(propBuf, "int:jit") == 0) { 600 executionMode = kEMJitCompiler; 601 } 602 603 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 604 605 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 606 if (strcmp(propBuf, "true") == 0) { 607 /* perform additional DEX checksum tests */ 608 addOption("-Xcheckdexsum"); 609 } 610 611 property_get("log.redirect-stdio", propBuf, ""); 612 if (strcmp(propBuf, "true") == 0) { 613 /* convert stdout/stderr to log messages */ 614 addOption("-Xlog-stdio"); 615 } 616 617 strcpy(enableAssertBuf, "-ea:"); 618 property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, ""); 619 if (enableAssertBuf[sizeof("-ea:")-1] != '\0') { 620 /* accept "all" to mean "all classes and packages" */ 621 if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0) 622 enableAssertBuf[3] = '\0'; // truncate to "-ea" 623 ALOGI("Assertions enabled: '%s'\n", enableAssertBuf); 624 addOption(enableAssertBuf); 625 } else { 626 ALOGV("Assertions disabled\n"); 627 } 628 629 strcpy(jniOptsBuf, "-Xjniopts:"); 630 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 631 ALOGI("JNI options: '%s'\n", jniOptsBuf); 632 } 633 634 /* route exit() to our handler */ 635 addOption("exit", (void*) runtime_exit); 636 637 /* route fprintf() to our handler */ 638 addOption("vfprintf", (void*) runtime_vfprintf); 639 640 /* register the framework-specific "is sensitive thread" hook */ 641 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 642 643 /* enable verbose; standard options are { jni, gc, class } */ 644 //addOption("-verbose:jni"); 645 addOption("-verbose:gc"); 646 //addOption("-verbose:class"); 647 648 /* 649 * The default starting and maximum size of the heap. Larger 650 * values should be specified in a product property override. 651 */ 652 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 653 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 654 655 // Increase the main thread's interpreter stack size for bug 6315322. 656 addOption("-XX:mainThreadStackSize=24K"); 657 658 // Set the max jit code cache size. Note: size of 0 will disable the JIT. 659 parseRuntimeOption("dalvik.vm.jit.codecachesize", 660 jitcodecachesizeOptsBuf, 661 "-Xjitcodecachesize:"); 662 663 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 664 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 665 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 666 parseRuntimeOption("dalvik.vm.heaptargetutilization", 667 heaptargetutilizationOptsBuf, 668 "-XX:HeapTargetUtilization="); 669 670 property_get("ro.config.low_ram", propBuf, ""); 671 if (strcmp(propBuf, "true") == 0) { 672 addOption("-XX:LowMemoryMode"); 673 } 674 675 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 676 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 677 678 /* 679 * Enable or disable dexopt features, such as bytecode verification and 680 * calculation of register maps for precise GC. 681 */ 682 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 683 if (dexoptFlagsBuf[0] != '\0') { 684 const char* opc; 685 const char* val; 686 687 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 688 if (opc != NULL) { 689 switch (*(opc+2)) { 690 case 'n': val = "-Xverify:none"; break; 691 case 'r': val = "-Xverify:remote"; break; 692 case 'a': val = "-Xverify:all"; break; 693 default: val = NULL; break; 694 } 695 696 if (val != NULL) { 697 addOption(val); 698 } 699 } 700 701 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 702 if (opc != NULL) { 703 switch (*(opc+2)) { 704 case 'n': val = "-Xdexopt:none"; break; 705 case 'v': val = "-Xdexopt:verified"; break; 706 case 'a': val = "-Xdexopt:all"; break; 707 case 'f': val = "-Xdexopt:full"; break; 708 default: val = NULL; break; 709 } 710 711 if (val != NULL) { 712 addOption(val); 713 } 714 } 715 716 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 717 if (opc != NULL) { 718 addOption("-Xgenregmap"); 719 720 /* turn on precise GC while we're at it */ 721 addOption("-Xgc:precise"); 722 } 723 } 724 725 /* enable debugging; set suspend=y to pause during VM init */ 726 /* use android ADB transport */ 727 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 728 729 parseRuntimeOption("dalvik.vm.lockprof.threshold", 730 lockProfThresholdBuf, 731 "-Xlockprofthreshold:"); 732 733 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 734 parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:"); 735 736 /* Force interpreter-only mode for selected methods */ 737 parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:"); 738 739 if (executionMode == kEMIntPortable) { 740 addOption("-Xint:portable"); 741 } else if (executionMode == kEMIntFast) { 742 addOption("-Xint:fast"); 743 } else if (executionMode == kEMJitCompiler) { 744 addOption("-Xint:jit"); 745 } 746 747 // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart. 748 property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so"); 749 bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0); 750 751 if (libart) { 752 // If we booting without the real /data, don't spend time compiling. 753 property_get("vold.decrypt", voldDecryptBuf, ""); 754 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 755 (strcmp(voldDecryptBuf, "1") == 0)); 756 757 // Extra options for boot.art/boot.oat image generation. 758 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 759 "-Xms", "-Ximage-compiler-option"); 760 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 761 "-Xmx", "-Ximage-compiler-option"); 762 if (skip_compilation) { 763 addOption("-Ximage-compiler-option"); 764 addOption("--compiler-filter=verify-none"); 765 } else { 766 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 767 "--compiler-filter=", "-Ximage-compiler-option"); 768 } 769 addOption("-Ximage-compiler-option"); 770 addOption("--image-classes-zip=/system/framework/framework.jar"); 771 addOption("-Ximage-compiler-option"); 772 addOption("--image-classes=preloaded-classes"); 773 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 774 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 775 776 // Extra options for DexClassLoader. 777 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 778 "-Xms", "-Xcompiler-option"); 779 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 780 "-Xmx", "-Xcompiler-option"); 781 if (skip_compilation) { 782 addOption("-Xcompiler-option"); 783 addOption("--compiler-filter=verify-none"); 784 } else { 785 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 786 "--compiler-filter=", "-Xcompiler-option"); 787 } 788 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 789 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 790 791 } 792 793 /* extra options; parse this late so it overrides others */ 794 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 795 parseExtraOpts(extraOptsBuf, NULL); 796 797 /* Set the properties for locale */ 798 { 799 strcpy(langOption, "-Duser.language="); 800 strcpy(regionOption, "-Duser.region="); 801 readLocale(langOption, regionOption); 802 addOption(langOption); 803 addOption(regionOption); 804 } 805 806 /* 807 * Set profiler options 808 */ 809 if (libart) { 810 // Whether or not the profiler should be enabled. 811 property_get("dalvik.vm.profiler", propBuf, "0"); 812 if (propBuf[0] == '1') { 813 addOption("-Xenable-profiler"); 814 } 815 816 // Whether the profile should start upon app startup or be delayed by some random offset 817 // (in seconds) that is bound between 0 and a fixed value. 818 property_get("dalvik.vm.profile.start-immed", propBuf, "0"); 819 if (propBuf[0] == '1') { 820 addOption("-Xprofile-start-immediately"); 821 } 822 823 // Number of seconds during profile runs. 824 parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:"); 825 826 // Length of each profile run (seconds). 827 parseRuntimeOption("dalvik.vm.profile.duration-secs", 828 profileDuration, 829 "-Xprofile-duration:"); 830 831 // Polling interval during profile run (microseconds). 832 parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:"); 833 834 // Coefficient for period backoff. The the period is multiplied 835 // by this value after each profile run. 836 parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:"); 837 838 // Top K% of samples that are considered relevant when 839 // deciding if the app should be recompiled. 840 parseRuntimeOption("dalvik.vm.profile.top-k-thr", 841 profileTopKThreshold, 842 "-Xprofile-top-k-threshold:"); 843 844 // The threshold after which a change in the structure of the 845 // top K% profiled samples becomes significant and triggers 846 // recompilation. A change in profile is considered 847 // significant if X% (top-k-change-threshold) of the top K% 848 // (top-k-threshold property) samples has changed. 849 parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr", 850 profileTopKChangeThreshold, 851 "-Xprofile-top-k-change-threshold:"); 852 853 // Type of profile data. 854 parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:"); 855 856 // Depth of bounded stack data 857 parseRuntimeOption("dalvik.vm.profile.stack-depth", 858 profileMaxStackDepth, 859 "-Xprofile-max-stack-depth:"); 860 861 // Native bridge library. "0" means that native bridge is disabled. 862 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 863 if (propBuf[0] == '\0') { 864 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 865 } else if (strcmp(propBuf, "0") != 0) { 866 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 867 "-XX:NativeBridge=%s", propBuf); 868 addOption(nativeBridgeLibrary); 869 } 870 } 871 872 initArgs.version = JNI_VERSION_1_4; 873 initArgs.options = mOptions.editArray(); 874 initArgs.nOptions = mOptions.size(); 875 initArgs.ignoreUnrecognized = JNI_FALSE; 876 877 /* 878 * Initialize the VM. 879 * 880 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 881 * If this call succeeds, the VM is ready, and we can start issuing 882 * JNI calls. 883 */ 884 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 885 ALOGE("JNI_CreateJavaVM failed\n"); 886 goto bail; 887 } 888 889 result = 0; 890 891bail: 892 return result; 893} 894 895char* AndroidRuntime::toSlashClassName(const char* className) 896{ 897 char* result = strdup(className); 898 for (char* cp = result; *cp != '\0'; cp++) { 899 if (*cp == '.') { 900 *cp = '/'; 901 } 902 } 903 return result; 904} 905 906/** Create a Java string from an ASCII or Latin-1 string */ 907jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) { 908 if (!bytes) return NULL; 909 int length = strlen(bytes); 910 jchar* buffer = (jchar *)alloca(length * sizeof(jchar)); 911 if (!buffer) return NULL; 912 jchar* chp = buffer; 913 for (int i = 0; i < length; i++) { 914 *chp++ = *bytes++; 915 } 916 return env->NewString(buffer, length); 917} 918 919 920/* 921 * Start the Android runtime. This involves starting the virtual machine 922 * and calling the "static void main(String[] args)" method in the class 923 * named by "className". 924 * 925 * Passes the main function two arguments, the class name and the specified 926 * options string. 927 */ 928void AndroidRuntime::start(const char* className, const Vector<String8>& options) 929{ 930 ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 931 className != NULL ? className : "(unknown)"); 932 933 static const String8 startSystemServer("start-system-server"); 934 935 /* 936 * 'startSystemServer == true' means runtime is obsolete and not run from 937 * init.rc anymore, so we print out the boot start event here. 938 */ 939 for (size_t i = 0; i < options.size(); ++i) { 940 if (options[i] == startSystemServer) { 941 /* track our progress through the boot sequence */ 942 const int LOG_BOOT_PROGRESS_START = 3000; 943 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 944 } 945 } 946 947 const char* rootDir = getenv("ANDROID_ROOT"); 948 if (rootDir == NULL) { 949 rootDir = "/system"; 950 if (!hasDir("/system")) { 951 LOG_FATAL("No root directory specified, and /android does not exist."); 952 return; 953 } 954 setenv("ANDROID_ROOT", rootDir, 1); 955 } 956 957 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 958 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 959 960 /* start the virtual machine */ 961 JniInvocation jni_invocation; 962 jni_invocation.Init(NULL); 963 JNIEnv* env; 964 if (startVm(&mJavaVM, &env) != 0) { 965 return; 966 } 967 onVmCreated(env); 968 969 /* 970 * Register android functions. 971 */ 972 if (startReg(env) < 0) { 973 ALOGE("Unable to register all android natives\n"); 974 return; 975 } 976 977 /* 978 * We want to call main() with a String array with arguments in it. 979 * At present we have two arguments, the class name and an option string. 980 * Create an array to hold them. 981 */ 982 jclass stringClass; 983 jobjectArray strArray; 984 jstring classNameStr; 985 986 stringClass = env->FindClass("java/lang/String"); 987 assert(stringClass != NULL); 988 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 989 assert(strArray != NULL); 990 classNameStr = env->NewStringUTF(className); 991 assert(classNameStr != NULL); 992 env->SetObjectArrayElement(strArray, 0, classNameStr); 993 994 for (size_t i = 0; i < options.size(); ++i) { 995 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 996 assert(optionsStr != NULL); 997 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 998 } 999 1000 /* 1001 * Start VM. This thread becomes the main thread of the VM, and will 1002 * not return until the VM exits. 1003 */ 1004 char* slashClassName = toSlashClassName(className); 1005 jclass startClass = env->FindClass(slashClassName); 1006 if (startClass == NULL) { 1007 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1008 /* keep going */ 1009 } else { 1010 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1011 "([Ljava/lang/String;)V"); 1012 if (startMeth == NULL) { 1013 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1014 /* keep going */ 1015 } else { 1016 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1017 1018#if 0 1019 if (env->ExceptionCheck()) 1020 threadExitUncaughtException(env); 1021#endif 1022 } 1023 } 1024 free(slashClassName); 1025 1026 ALOGD("Shutting down VM\n"); 1027 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1028 ALOGW("Warning: unable to detach main thread\n"); 1029 if (mJavaVM->DestroyJavaVM() != 0) 1030 ALOGW("Warning: VM did not shut down cleanly\n"); 1031} 1032 1033void AndroidRuntime::exit(int code) 1034{ 1035 if (mExitWithoutCleanup) { 1036 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1037 ::_exit(code); 1038 } else { 1039 ALOGI("VM exiting with result code %d.", code); 1040 onExit(code); 1041 ::exit(code); 1042 } 1043} 1044 1045void AndroidRuntime::onVmCreated(JNIEnv* env) 1046{ 1047 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1048} 1049 1050/* 1051 * Get the JNIEnv pointer for this thread. 1052 * 1053 * Returns NULL if the slot wasn't allocated or populated. 1054 */ 1055/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1056{ 1057 JNIEnv* env; 1058 JavaVM* vm = AndroidRuntime::getJavaVM(); 1059 assert(vm != NULL); 1060 1061 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1062 return NULL; 1063 return env; 1064} 1065 1066/* 1067 * Makes the current thread visible to the VM. 1068 * 1069 * The JNIEnv pointer returned is only valid for the current thread, and 1070 * thus must be tucked into thread-local storage. 1071 */ 1072static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1073{ 1074 JavaVMAttachArgs args; 1075 JavaVM* vm; 1076 jint result; 1077 1078 vm = AndroidRuntime::getJavaVM(); 1079 assert(vm != NULL); 1080 1081 args.version = JNI_VERSION_1_4; 1082 args.name = (char*) threadName; 1083 args.group = NULL; 1084 1085 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1086 if (result != JNI_OK) 1087 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1088 1089 return result; 1090} 1091 1092/* 1093 * Detach the current thread from the set visible to the VM. 1094 */ 1095static int javaDetachThread(void) 1096{ 1097 JavaVM* vm; 1098 jint result; 1099 1100 vm = AndroidRuntime::getJavaVM(); 1101 assert(vm != NULL); 1102 1103 result = vm->DetachCurrentThread(); 1104 if (result != JNI_OK) 1105 ALOGE("ERROR: thread detach failed\n"); 1106 return result; 1107} 1108 1109/* 1110 * When starting a native thread that will be visible from the VM, we 1111 * bounce through this to get the right attach/detach action. 1112 * Note that this function calls free(args) 1113 */ 1114/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1115 void* start = ((void**)args)[0]; 1116 void* userData = ((void **)args)[1]; 1117 char* name = (char*) ((void **)args)[2]; // we own this storage 1118 free(args); 1119 JNIEnv* env; 1120 int result; 1121 1122 /* hook us into the VM */ 1123 if (javaAttachThread(name, &env) != JNI_OK) 1124 return -1; 1125 1126 /* start the thread running */ 1127 result = (*(android_thread_func_t)start)(userData); 1128 1129 /* unhook us */ 1130 javaDetachThread(); 1131 free(name); 1132 1133 return result; 1134} 1135 1136/* 1137 * This is invoked from androidCreateThreadEtc() via the callback 1138 * set with androidSetCreateThreadFunc(). 1139 * 1140 * We need to create the new thread in such a way that it gets hooked 1141 * into the VM before it really starts executing. 1142 */ 1143/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1144 android_thread_func_t entryFunction, 1145 void* userData, 1146 const char* threadName, 1147 int32_t threadPriority, 1148 size_t threadStackSize, 1149 android_thread_id_t* threadId) 1150{ 1151 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1152 int result; 1153 1154 if (!threadName) 1155 threadName = "unnamed thread"; 1156 1157 args[0] = (void*) entryFunction; 1158 args[1] = userData; 1159 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1160 1161 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1162 threadName, threadPriority, threadStackSize, threadId); 1163 return result; 1164} 1165 1166/* 1167 * Create a thread that is visible from the VM. 1168 * 1169 * This is called from elsewhere in the library. 1170 */ 1171/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1172 void (*start)(void *), void* arg) 1173{ 1174 android_thread_id_t threadId = 0; 1175 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1176 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1177 return threadId; 1178} 1179 1180#if 0 1181static void quickTest(void* arg) 1182{ 1183 const char* str = (const char*) arg; 1184 1185 printf("In quickTest: %s\n", str); 1186} 1187#endif 1188 1189#ifdef NDEBUG 1190 #define REG_JNI(name) { name } 1191 struct RegJNIRec { 1192 int (*mProc)(JNIEnv*); 1193 }; 1194#else 1195 #define REG_JNI(name) { name, #name } 1196 struct RegJNIRec { 1197 int (*mProc)(JNIEnv*); 1198 const char* mName; 1199 }; 1200#endif 1201 1202typedef void (*RegJAMProc)(); 1203 1204static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1205{ 1206 for (size_t i = 0; i < count; i++) { 1207 if (array[i].mProc(env) < 0) { 1208#ifndef NDEBUG 1209 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1210#endif 1211 return -1; 1212 } 1213 } 1214 return 0; 1215} 1216 1217static void register_jam_procs(const RegJAMProc array[], size_t count) 1218{ 1219 for (size_t i = 0; i < count; i++) { 1220 array[i](); 1221 } 1222} 1223 1224static const RegJNIRec gRegJNI[] = { 1225 REG_JNI(register_com_android_internal_os_RuntimeInit), 1226 REG_JNI(register_android_os_SystemClock), 1227 REG_JNI(register_android_util_EventLog), 1228 REG_JNI(register_android_util_Log), 1229 REG_JNI(register_android_content_AssetManager), 1230 REG_JNI(register_android_content_StringBlock), 1231 REG_JNI(register_android_content_XmlBlock), 1232 REG_JNI(register_android_emoji_EmojiFactory), 1233 REG_JNI(register_android_text_AndroidCharacter), 1234 REG_JNI(register_android_text_StaticLayout), 1235 REG_JNI(register_android_text_AndroidBidi), 1236 REG_JNI(register_android_view_InputDevice), 1237 REG_JNI(register_android_view_KeyCharacterMap), 1238 REG_JNI(register_android_os_Process), 1239 REG_JNI(register_android_os_SystemProperties), 1240 REG_JNI(register_android_os_Binder), 1241 REG_JNI(register_android_os_Parcel), 1242 REG_JNI(register_android_nio_utils), 1243 REG_JNI(register_android_graphics_Graphics), 1244 REG_JNI(register_android_view_DisplayEventReceiver), 1245 REG_JNI(register_android_view_RenderNode), 1246 REG_JNI(register_android_view_RenderNodeAnimator), 1247 REG_JNI(register_android_view_GraphicBuffer), 1248 REG_JNI(register_android_view_GLES20Canvas), 1249 REG_JNI(register_android_view_HardwareLayer), 1250 REG_JNI(register_android_view_ThreadedRenderer), 1251 REG_JNI(register_android_view_Surface), 1252 REG_JNI(register_android_view_SurfaceControl), 1253 REG_JNI(register_android_view_SurfaceSession), 1254 REG_JNI(register_android_view_TextureView), 1255 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1256 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1257 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1258 REG_JNI(register_android_opengl_jni_EGL14), 1259 REG_JNI(register_android_opengl_jni_EGLExt), 1260 REG_JNI(register_android_opengl_jni_GLES10), 1261 REG_JNI(register_android_opengl_jni_GLES10Ext), 1262 REG_JNI(register_android_opengl_jni_GLES11), 1263 REG_JNI(register_android_opengl_jni_GLES11Ext), 1264 REG_JNI(register_android_opengl_jni_GLES20), 1265 REG_JNI(register_android_opengl_jni_GLES30), 1266 REG_JNI(register_android_opengl_jni_GLES31), 1267 REG_JNI(register_android_opengl_jni_GLES31Ext), 1268 1269 REG_JNI(register_android_graphics_Bitmap), 1270 REG_JNI(register_android_graphics_BitmapFactory), 1271 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1272 REG_JNI(register_android_graphics_Camera), 1273 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1274 REG_JNI(register_android_graphics_Canvas), 1275 REG_JNI(register_android_graphics_CanvasProperty), 1276 REG_JNI(register_android_graphics_ColorFilter), 1277 REG_JNI(register_android_graphics_DrawFilter), 1278 REG_JNI(register_android_graphics_FontFamily), 1279 REG_JNI(register_android_graphics_Interpolator), 1280 REG_JNI(register_android_graphics_LayerRasterizer), 1281 REG_JNI(register_android_graphics_MaskFilter), 1282 REG_JNI(register_android_graphics_Matrix), 1283 REG_JNI(register_android_graphics_Movie), 1284 REG_JNI(register_android_graphics_NinePatch), 1285 REG_JNI(register_android_graphics_Paint), 1286 REG_JNI(register_android_graphics_Path), 1287 REG_JNI(register_android_graphics_PathMeasure), 1288 REG_JNI(register_android_graphics_PathEffect), 1289 REG_JNI(register_android_graphics_Picture), 1290 REG_JNI(register_android_graphics_PorterDuff), 1291 REG_JNI(register_android_graphics_Rasterizer), 1292 REG_JNI(register_android_graphics_Region), 1293 REG_JNI(register_android_graphics_Shader), 1294 REG_JNI(register_android_graphics_SurfaceTexture), 1295 REG_JNI(register_android_graphics_Typeface), 1296 REG_JNI(register_android_graphics_Xfermode), 1297 REG_JNI(register_android_graphics_YuvImage), 1298 REG_JNI(register_android_graphics_pdf_PdfDocument), 1299 REG_JNI(register_android_graphics_pdf_PdfEditor), 1300 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1301 1302 REG_JNI(register_android_database_CursorWindow), 1303 REG_JNI(register_android_database_SQLiteConnection), 1304 REG_JNI(register_android_database_SQLiteGlobal), 1305 REG_JNI(register_android_database_SQLiteDebug), 1306 REG_JNI(register_android_os_Debug), 1307 REG_JNI(register_android_os_FileObserver), 1308 REG_JNI(register_android_os_MessageQueue), 1309 REG_JNI(register_android_os_SELinux), 1310 REG_JNI(register_android_os_Trace), 1311 REG_JNI(register_android_os_UEventObserver), 1312 REG_JNI(register_android_net_LocalSocketImpl), 1313 REG_JNI(register_android_net_NetworkUtils), 1314 REG_JNI(register_android_net_TrafficStats), 1315 REG_JNI(register_android_os_MemoryFile), 1316 REG_JNI(register_com_android_internal_os_ZygoteInit), 1317 REG_JNI(register_com_android_internal_os_Zygote), 1318 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1319 REG_JNI(register_android_hardware_Camera), 1320 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1321 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1322 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1323 REG_JNI(register_android_hardware_camera2_DngCreator), 1324 REG_JNI(register_android_hardware_SensorManager), 1325 REG_JNI(register_android_hardware_SerialPort), 1326 REG_JNI(register_android_hardware_SoundTrigger), 1327 REG_JNI(register_android_hardware_UsbDevice), 1328 REG_JNI(register_android_hardware_UsbDeviceConnection), 1329 REG_JNI(register_android_hardware_UsbRequest), 1330 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1331 REG_JNI(register_android_media_AudioRecord), 1332 REG_JNI(register_android_media_AudioSystem), 1333 REG_JNI(register_android_media_AudioTrack), 1334 REG_JNI(register_android_media_JetPlayer), 1335 REG_JNI(register_android_media_RemoteDisplay), 1336 REG_JNI(register_android_media_ToneGenerator), 1337 1338 REG_JNI(register_android_opengl_classes), 1339 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1340 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1341 REG_JNI(register_android_backup_BackupDataInput), 1342 REG_JNI(register_android_backup_BackupDataOutput), 1343 REG_JNI(register_android_backup_FileBackupHelperBase), 1344 REG_JNI(register_android_backup_BackupHelperDispatcher), 1345 REG_JNI(register_android_app_backup_FullBackup), 1346 REG_JNI(register_android_app_ActivityThread), 1347 REG_JNI(register_android_app_NativeActivity), 1348 REG_JNI(register_android_view_InputChannel), 1349 REG_JNI(register_android_view_InputEventReceiver), 1350 REG_JNI(register_android_view_InputEventSender), 1351 REG_JNI(register_android_view_InputQueue), 1352 REG_JNI(register_android_view_KeyEvent), 1353 REG_JNI(register_android_view_MotionEvent), 1354 REG_JNI(register_android_view_PointerIcon), 1355 REG_JNI(register_android_view_VelocityTracker), 1356 1357 REG_JNI(register_android_content_res_ObbScanner), 1358 REG_JNI(register_android_content_res_Configuration), 1359 1360 REG_JNI(register_android_animation_PropertyValuesHolder), 1361 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1362 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1363}; 1364 1365/* 1366 * Register android native functions with the VM. 1367 */ 1368/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1369{ 1370 /* 1371 * This hook causes all future threads created in this process to be 1372 * attached to the JavaVM. (This needs to go away in favor of JNI 1373 * Attach calls.) 1374 */ 1375 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1376 1377 ALOGV("--- registering native functions ---\n"); 1378 1379 /* 1380 * Every "register" function calls one or more things that return 1381 * a local reference (e.g. FindClass). Because we haven't really 1382 * started the VM yet, they're all getting stored in the base frame 1383 * and never released. Use Push/Pop to manage the storage. 1384 */ 1385 env->PushLocalFrame(200); 1386 1387 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1388 env->PopLocalFrame(NULL); 1389 return -1; 1390 } 1391 env->PopLocalFrame(NULL); 1392 1393 //createJavaThread("fubar", quickTest, (void*) "hello"); 1394 1395 return 0; 1396} 1397 1398AndroidRuntime* AndroidRuntime::getRuntime() 1399{ 1400 return gCurRuntime; 1401} 1402 1403/** 1404 * Used by WithFramework to register native functions. 1405 */ 1406extern "C" 1407jint Java_com_android_internal_util_WithFramework_registerNatives( 1408 JNIEnv* env, jclass clazz) { 1409 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1410} 1411 1412/** 1413 * Used by LoadClass to register native functions. 1414 */ 1415extern "C" 1416jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1417 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1418} 1419 1420} // namespace android 1421