AndroidRuntime.cpp revision 035a7b0235835e856f39623fc571668e2d6048da
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; 193 194/* 195 * Code written in the Java Programming Language calls here from main(). 196 */ 197static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 198{ 199 gCurRuntime->onStarted(); 200} 201 202static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 203{ 204 gCurRuntime->onZygoteInit(); 205} 206 207static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 208 jobject clazz, jboolean exitWithoutCleanup) 209{ 210 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 211} 212 213/* 214 * JNI registration. 215 */ 216static JNINativeMethod gMethods[] = { 217 { "nativeFinishInit", "()V", 218 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 219 { "nativeZygoteInit", "()V", 220 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 221 { "nativeSetExitWithoutCleanup", "(Z)V", 222 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 223}; 224 225int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 226{ 227 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 228 gMethods, NELEM(gMethods)); 229} 230 231// ---------------------------------------------------------------------- 232 233/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 234 235AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) : 236 mExitWithoutCleanup(false), 237 mArgBlockStart(argBlockStart), 238 mArgBlockLength(argBlockLength) 239{ 240 SkGraphics::Init(); 241 // There is also a global font cache, but its budget is specified in code 242 // see SkFontHost_android.cpp 243 244 // Pre-allocate enough space to hold a fair number of options. 245 mOptions.setCapacity(20); 246 247 assert(gCurRuntime == NULL); // one per process 248 gCurRuntime = this; 249} 250 251AndroidRuntime::~AndroidRuntime() 252{ 253 SkGraphics::Term(); 254} 255 256/* 257 * Register native methods using JNI. 258 */ 259/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 260 const char* className, const JNINativeMethod* gMethods, int numMethods) 261{ 262 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 263} 264 265void AndroidRuntime::setArgv0(const char* argv0) { 266 memset(mArgBlockStart, 0, mArgBlockLength); 267 strlcpy(mArgBlockStart, argv0, mArgBlockLength); 268} 269 270status_t AndroidRuntime::callMain(const String8& className, jclass clazz, 271 const Vector<String8>& args) 272{ 273 JNIEnv* env; 274 jmethodID methodId; 275 276 ALOGD("Calling main entry %s", className.string()); 277 278 env = getJNIEnv(); 279 if (clazz == NULL || env == NULL) { 280 return UNKNOWN_ERROR; 281 } 282 283 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 284 if (methodId == NULL) { 285 ALOGE("ERROR: could not find method %s.main(String[])\n", className.string()); 286 return UNKNOWN_ERROR; 287 } 288 289 /* 290 * We want to call main() with a String array with our arguments in it. 291 * Create an array and populate it. 292 */ 293 jclass stringClass; 294 jobjectArray strArray; 295 296 const size_t numArgs = args.size(); 297 stringClass = env->FindClass("java/lang/String"); 298 strArray = env->NewObjectArray(numArgs, stringClass, NULL); 299 300 for (size_t i = 0; i < numArgs; i++) { 301 jstring argStr = env->NewStringUTF(args[i].string()); 302 env->SetObjectArrayElement(strArray, i, argStr); 303 } 304 305 env->CallStaticVoidMethod(clazz, methodId, strArray); 306 return NO_ERROR; 307} 308 309/* 310 * The VM calls this through the "exit" hook. 311 */ 312static void runtime_exit(int code) 313{ 314 gCurRuntime->exit(code); 315} 316 317/* 318 * The VM calls this through the "vfprintf" hook. 319 * 320 * We ignore "fp" and just write the results to the log file. 321 */ 322static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 323{ 324 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 325} 326 327/** 328 * The VM calls this when mutex contention debugging is enabled to 329 * determine whether or not the blocked thread was a "sensitive thread" 330 * for user responsiveness/smoothess. 331 * 332 * Our policy for this is whether or not we're tracing any StrictMode 333 * events on this thread (which we might've inherited via Binder calls 334 * into us) 335 */ 336static bool runtime_isSensitiveThread() { 337 IPCThreadState* state = IPCThreadState::selfOrNull(); 338 return state && state->getStrictModePolicy() != 0; 339} 340 341static int hasDir(const char* dir) 342{ 343 struct stat s; 344 int res = stat(dir, &s); 345 if (res == 0) { 346 return S_ISDIR(s.st_mode); 347 } 348 return 0; 349} 350 351/* 352 * Read the persistent locale. 353 */ 354static void readLocale(char* language, char* region) 355{ 356 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 357 358 property_get("persist.sys.language", propLang, ""); 359 property_get("persist.sys.country", propRegn, ""); 360 if (*propLang == 0 && *propRegn == 0) { 361 /* Set to ro properties, default is en_US */ 362 property_get("ro.product.locale.language", propLang, "en"); 363 property_get("ro.product.locale.region", propRegn, "US"); 364 } 365 strncat(language, propLang, 3); 366 strncat(region, propRegn, 3); 367 //ALOGD("language=%s region=%s\n", language, region); 368} 369 370void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 371{ 372 JavaVMOption opt; 373 opt.optionString = optionString; 374 opt.extraInfo = extraInfo; 375 mOptions.add(opt); 376} 377 378/* 379 * Parse a property containing space-separated options that should be 380 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 381 * 382 * This will cut up "extraOptsBuf" as we chop it into individual options. 383 * 384 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 385 * 386 * Adds the strings, if any, to mOptions. 387 */ 388void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 389{ 390 char* start = extraOptsBuf; 391 char* end = NULL; 392 while (*start != '\0') { 393 while (*start == ' ') /* skip leading whitespace */ 394 start++; 395 if (*start == '\0') /* was trailing ws, bail */ 396 break; 397 398 end = start+1; 399 while (*end != ' ' && *end != '\0') /* find end of token */ 400 end++; 401 if (*end == ' ') 402 *end++ = '\0'; /* mark end, advance to indicate more */ 403 404 if (quotingArg != NULL) { 405 addOption(quotingArg); 406 } 407 addOption(start); 408 start = end; 409 } 410} 411 412/* 413 * Reads a "property" into "buffer" with a default of "defaultArg". If 414 * the property is non-empty, it is treated as a runtime option such 415 * as "-Xmx32m". 416 * 417 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 418 * 419 * If an argument is found, it is added to mOptions. 420 * 421 * If an option is found, it is added to mOptions and true is 422 * returned. Otherwise false is returned. 423 */ 424bool AndroidRuntime::parseRuntimeOption(const char* property, 425 char* buffer, 426 const char* runtimeArg, 427 const char* defaultArg) 428{ 429 strcpy(buffer, runtimeArg); 430 size_t runtimeArgLen = strlen(runtimeArg); 431 property_get(property, buffer+runtimeArgLen, defaultArg); 432 if (buffer[runtimeArgLen] == '\0') { 433 return false; 434 } 435 addOption(buffer); 436 return true; 437} 438 439/* 440 * Reads a "property" into "buffer". If the property is non-empty, it 441 * is treated as a dex2oat compiler option that should be 442 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 443 * 444 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 445 * 446 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 447 * 448 * If an option is found, it is added to mOptions and true is 449 * returned. Otherwise false is returned. 450 */ 451bool AndroidRuntime::parseCompilerOption(const char* property, 452 char* buffer, 453 const char* compilerArg, 454 const char* quotingArg) 455{ 456 strcpy(buffer, compilerArg); 457 size_t compilerArgLen = strlen(compilerArg); 458 property_get(property, buffer+compilerArgLen, ""); 459 if (buffer[compilerArgLen] == '\0') { 460 return false; 461 } 462 addOption(quotingArg); 463 addOption(buffer); 464 return true; 465} 466 467/* 468 * Reads a "property" into "buffer". If the property is non-empty, it 469 * is treated as a dex2oat compiler runtime option that should be 470 * passed as a quoted option, e.g. "-Ximage-compiler-option 471 * --runtime-arg -Ximage-compiler-option -Xmx32m". 472 * 473 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 474 * 475 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 476 * 477 * If an option is found, it is added to mOptions and true is 478 * returned. Otherwise false is returned. 479 */ 480bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 481 char* buffer, 482 const char* runtimeArg, 483 const char* quotingArg) 484{ 485 strcpy(buffer, runtimeArg); 486 size_t runtimeArgLen = strlen(runtimeArg); 487 property_get(property, buffer+runtimeArgLen, ""); 488 if (buffer[runtimeArgLen] == '\0') { 489 return false; 490 } 491 addOption(quotingArg); 492 addOption("--runtime-arg"); 493 addOption(quotingArg); 494 addOption(buffer); 495 return true; 496} 497 498/* 499 * Start the Dalvik Virtual Machine. 500 * 501 * Various arguments, most determined by system properties, are passed in. 502 * The "mOptions" vector is updated. 503 * 504 * CAUTION: when adding options in here, be careful not to put the 505 * char buffer inside a nested scope. Adding the buffer to the 506 * options using mOptions.add() does not copy the buffer, so if the 507 * buffer goes out of scope the option may be overwritten. It's best 508 * to put the buffer at the top of the function so that it is more 509 * unlikely that someone will surround it in a scope at a later time 510 * and thus introduce a bug. 511 * 512 * Returns 0 on success. 513 */ 514int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 515{ 516 int result = -1; 517 JavaVMInitArgs initArgs; 518 char propBuf[PROPERTY_VALUE_MAX]; 519 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 520 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 521 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 522 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 523 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 524 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 525 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 526 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 527 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 528 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 529 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 530 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 531 char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX]; 532 char dalvikVmLibBuf[PROPERTY_VALUE_MAX]; 533 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 534 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 535 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 536 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 537 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 538 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 539 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 540 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 541 char extraOptsBuf[PROPERTY_VALUE_MAX]; 542 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 543 enum { 544 kEMDefault, 545 kEMIntPortable, 546 kEMIntFast, 547 kEMJitCompiler, 548 } executionMode = kEMDefault; 549 char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX]; 550 char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX]; 551 char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX]; 552 char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX]; 553 char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX]; 554 char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 + 555 PROPERTY_VALUE_MAX]; 556 char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX]; 557 char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX]; 558 char langOption[sizeof("-Duser.language=") + 3]; 559 char regionOption[sizeof("-Duser.region=") + 3]; 560 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 561 char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX]; 562 char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX]; 563 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 564 565 bool checkJni = false; 566 property_get("dalvik.vm.checkjni", propBuf, ""); 567 if (strcmp(propBuf, "true") == 0) { 568 checkJni = true; 569 } else if (strcmp(propBuf, "false") != 0) { 570 /* property is neither true nor false; fall back on kernel parameter */ 571 property_get("ro.kernel.android.checkjni", propBuf, ""); 572 if (propBuf[0] == '1') { 573 checkJni = true; 574 } 575 } 576 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 577 if (checkJni) { 578 /* extended JNI checking */ 579 addOption("-Xcheck:jni"); 580 581 /* set a cap on JNI global references */ 582 addOption("-Xjnigreflimit:2000"); 583 584 /* with -Xcheck:jni, this provides a JNI function call trace */ 585 //addOption("-verbose:jni"); 586 } 587 588 property_get("dalvik.vm.execution-mode", propBuf, ""); 589 if (strcmp(propBuf, "int:portable") == 0) { 590 executionMode = kEMIntPortable; 591 } else if (strcmp(propBuf, "int:fast") == 0) { 592 executionMode = kEMIntFast; 593 } else if (strcmp(propBuf, "int:jit") == 0) { 594 executionMode = kEMJitCompiler; 595 } 596 597 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 598 599 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 600 if (strcmp(propBuf, "true") == 0) { 601 /* perform additional DEX checksum tests */ 602 addOption("-Xcheckdexsum"); 603 } 604 605 property_get("log.redirect-stdio", propBuf, ""); 606 if (strcmp(propBuf, "true") == 0) { 607 /* convert stdout/stderr to log messages */ 608 addOption("-Xlog-stdio"); 609 } 610 611 strcpy(enableAssertBuf, "-ea:"); 612 property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, ""); 613 if (enableAssertBuf[sizeof("-ea:")-1] != '\0') { 614 /* accept "all" to mean "all classes and packages" */ 615 if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0) 616 enableAssertBuf[3] = '\0'; // truncate to "-ea" 617 ALOGI("Assertions enabled: '%s'\n", enableAssertBuf); 618 addOption(enableAssertBuf); 619 } else { 620 ALOGV("Assertions disabled\n"); 621 } 622 623 strcpy(jniOptsBuf, "-Xjniopts:"); 624 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 625 ALOGI("JNI options: '%s'\n", jniOptsBuf); 626 } 627 628 /* route exit() to our handler */ 629 addOption("exit", (void*) runtime_exit); 630 631 /* route fprintf() to our handler */ 632 addOption("vfprintf", (void*) runtime_vfprintf); 633 634 /* register the framework-specific "is sensitive thread" hook */ 635 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 636 637 /* enable verbose; standard options are { jni, gc, class } */ 638 //addOption("-verbose:jni"); 639 addOption("-verbose:gc"); 640 //addOption("-verbose:class"); 641 642 /* 643 * The default starting and maximum size of the heap. Larger 644 * values should be specified in a product property override. 645 */ 646 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 647 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 648 649 // Increase the main thread's interpreter stack size for bug 6315322. 650 addOption("-XX:mainThreadStackSize=24K"); 651 652 // Set the max jit code cache size. Note: size of 0 will disable the JIT. 653 parseRuntimeOption("dalvik.vm.jit.codecachesize", 654 jitcodecachesizeOptsBuf, 655 "-Xjitcodecachesize:"); 656 657 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 658 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 659 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 660 parseRuntimeOption("dalvik.vm.heaptargetutilization", 661 heaptargetutilizationOptsBuf, 662 "-XX:HeapTargetUtilization="); 663 664 property_get("ro.config.low_ram", propBuf, ""); 665 if (strcmp(propBuf, "true") == 0) { 666 addOption("-XX:LowMemoryMode"); 667 } 668 669 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 670 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 671 672 /* 673 * Enable or disable dexopt features, such as bytecode verification and 674 * calculation of register maps for precise GC. 675 */ 676 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 677 if (dexoptFlagsBuf[0] != '\0') { 678 const char* opc; 679 const char* val; 680 681 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 682 if (opc != NULL) { 683 switch (*(opc+2)) { 684 case 'n': val = "-Xverify:none"; break; 685 case 'r': val = "-Xverify:remote"; break; 686 case 'a': val = "-Xverify:all"; break; 687 default: val = NULL; break; 688 } 689 690 if (val != NULL) { 691 addOption(val); 692 } 693 } 694 695 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 696 if (opc != NULL) { 697 switch (*(opc+2)) { 698 case 'n': val = "-Xdexopt:none"; break; 699 case 'v': val = "-Xdexopt:verified"; break; 700 case 'a': val = "-Xdexopt:all"; break; 701 case 'f': val = "-Xdexopt:full"; break; 702 default: val = NULL; break; 703 } 704 705 if (val != NULL) { 706 addOption(val); 707 } 708 } 709 710 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 711 if (opc != NULL) { 712 addOption("-Xgenregmap"); 713 714 /* turn on precise GC while we're at it */ 715 addOption("-Xgc:precise"); 716 } 717 } 718 719 /* enable debugging; set suspend=y to pause during VM init */ 720 /* use android ADB transport */ 721 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 722 723 parseRuntimeOption("dalvik.vm.lockprof.threshold", 724 lockProfThresholdBuf, 725 "-Xlockprofthreshold:"); 726 727 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 728 parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:"); 729 730 /* Force interpreter-only mode for selected methods */ 731 parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:"); 732 733 if (executionMode == kEMIntPortable) { 734 addOption("-Xint:portable"); 735 } else if (executionMode == kEMIntFast) { 736 addOption("-Xint:fast"); 737 } else if (executionMode == kEMJitCompiler) { 738 addOption("-Xint:jit"); 739 } 740 741 // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart. 742 property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so"); 743 bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0); 744 745 if (libart) { 746 // If we booting without the real /data, don't spend time compiling. 747 property_get("vold.decrypt", voldDecryptBuf, ""); 748 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 749 (strcmp(voldDecryptBuf, "1") == 0)); 750 751 // Extra options for boot.art/boot.oat image generation. 752 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 753 "-Xms", "-Ximage-compiler-option"); 754 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 755 "-Xmx", "-Ximage-compiler-option"); 756 if (skip_compilation) { 757 addOption("-Ximage-compiler-option"); 758 addOption("--compiler-filter=verify-none"); 759 } else { 760 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 761 "--compiler-filter=", "-Ximage-compiler-option"); 762 } 763 addOption("-Ximage-compiler-option"); 764 addOption("--image-classes-zip=/system/framework/framework.jar"); 765 addOption("-Ximage-compiler-option"); 766 addOption("--image-classes=preloaded-classes"); 767 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 768 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 769 770 // Extra options for DexClassLoader. 771 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 772 "-Xms", "-Xcompiler-option"); 773 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 774 "-Xmx", "-Xcompiler-option"); 775 if (skip_compilation) { 776 addOption("-Xcompiler-option"); 777 addOption("--compiler-filter=verify-none"); 778 } else { 779 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 780 "--compiler-filter=", "-Xcompiler-option"); 781 } 782 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 783 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 784 785 } 786 787 /* extra options; parse this late so it overrides others */ 788 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 789 parseExtraOpts(extraOptsBuf, NULL); 790 791 /* Set the properties for locale */ 792 { 793 strcpy(langOption, "-Duser.language="); 794 strcpy(regionOption, "-Duser.region="); 795 readLocale(langOption, regionOption); 796 addOption(langOption); 797 addOption(regionOption); 798 } 799 800 /* 801 * Set profiler options 802 */ 803 if (libart) { 804 // Whether or not the profiler should be enabled. 805 property_get("dalvik.vm.profiler", propBuf, "0"); 806 if (propBuf[0] == '1') { 807 addOption("-Xenable-profiler"); 808 } 809 810 // Whether the profile should start upon app startup or be delayed by some random offset 811 // (in seconds) that is bound between 0 and a fixed value. 812 property_get("dalvik.vm.profile.start-immed", propBuf, "0"); 813 if (propBuf[0] == '1') { 814 addOption("-Xprofile-start-immediately"); 815 } 816 817 // Number of seconds during profile runs. 818 parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:"); 819 820 // Length of each profile run (seconds). 821 parseRuntimeOption("dalvik.vm.profile.duration-secs", 822 profileDuration, 823 "-Xprofile-duration:"); 824 825 // Polling interval during profile run (microseconds). 826 parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:"); 827 828 // Coefficient for period backoff. The the period is multiplied 829 // by this value after each profile run. 830 parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:"); 831 832 // Top K% of samples that are considered relevant when 833 // deciding if the app should be recompiled. 834 parseRuntimeOption("dalvik.vm.profile.top-k-thr", 835 profileTopKThreshold, 836 "-Xprofile-top-k-threshold:"); 837 838 // The threshold after which a change in the structure of the 839 // top K% profiled samples becomes significant and triggers 840 // recompilation. A change in profile is considered 841 // significant if X% (top-k-change-threshold) of the top K% 842 // (top-k-threshold property) samples has changed. 843 parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr", 844 profileTopKChangeThreshold, 845 "-Xprofile-top-k-change-threshold:"); 846 847 // Type of profile data. 848 parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:"); 849 850 // Depth of bounded stack data 851 parseRuntimeOption("dalvik.vm.profile.stack-depth", 852 profileMaxStackDepth, 853 "-Xprofile-max-stack-depth:"); 854 855 // Native bridge library. "0" means that native bridge is disabled. 856 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 857 if (propBuf[0] == '\0') { 858 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 859 } else if (strcmp(propBuf, "0") != 0) { 860 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 861 "-XX:NativeBridge=%s", propBuf); 862 addOption(nativeBridgeLibrary); 863 } 864 } 865 866 initArgs.version = JNI_VERSION_1_4; 867 initArgs.options = mOptions.editArray(); 868 initArgs.nOptions = mOptions.size(); 869 initArgs.ignoreUnrecognized = JNI_FALSE; 870 871 /* 872 * Initialize the VM. 873 * 874 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 875 * If this call succeeds, the VM is ready, and we can start issuing 876 * JNI calls. 877 */ 878 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 879 ALOGE("JNI_CreateJavaVM failed\n"); 880 goto bail; 881 } 882 883 result = 0; 884 885bail: 886 return result; 887} 888 889char* AndroidRuntime::toSlashClassName(const char* className) 890{ 891 char* result = strdup(className); 892 for (char* cp = result; *cp != '\0'; cp++) { 893 if (*cp == '.') { 894 *cp = '/'; 895 } 896 } 897 return result; 898} 899 900/** Create a Java string from an ASCII or Latin-1 string */ 901jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) { 902 if (!bytes) return NULL; 903 int length = strlen(bytes); 904 jchar* buffer = (jchar *)alloca(length * sizeof(jchar)); 905 if (!buffer) return NULL; 906 jchar* chp = buffer; 907 for (int i = 0; i < length; i++) { 908 *chp++ = *bytes++; 909 } 910 return env->NewString(buffer, length); 911} 912 913 914/* 915 * Start the Android runtime. This involves starting the virtual machine 916 * and calling the "static void main(String[] args)" method in the class 917 * named by "className". 918 * 919 * Passes the main function two arguments, the class name and the specified 920 * options string. 921 */ 922void AndroidRuntime::start(const char* className, const Vector<String8>& options) 923{ 924 ALOGD(">>>>>> START %s uid %d <<<<<<\n", 925 className != NULL ? className : "(unknown)", getuid()); 926 927 static const String8 startSystemServer("start-system-server"); 928 929 /* 930 * 'startSystemServer == true' means runtime is obsolete and not run from 931 * init.rc anymore, so we print out the boot start event here. 932 */ 933 for (size_t i = 0; i < options.size(); ++i) { 934 if (options[i] == startSystemServer) { 935 /* track our progress through the boot sequence */ 936 const int LOG_BOOT_PROGRESS_START = 3000; 937 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 938 } 939 } 940 941 const char* rootDir = getenv("ANDROID_ROOT"); 942 if (rootDir == NULL) { 943 rootDir = "/system"; 944 if (!hasDir("/system")) { 945 LOG_FATAL("No root directory specified, and /android does not exist."); 946 return; 947 } 948 setenv("ANDROID_ROOT", rootDir, 1); 949 } 950 951 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 952 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 953 954 /* start the virtual machine */ 955 JniInvocation jni_invocation; 956 jni_invocation.Init(NULL); 957 JNIEnv* env; 958 if (startVm(&mJavaVM, &env) != 0) { 959 return; 960 } 961 onVmCreated(env); 962 963 /* 964 * Register android functions. 965 */ 966 if (startReg(env) < 0) { 967 ALOGE("Unable to register all android natives\n"); 968 return; 969 } 970 971 /* 972 * We want to call main() with a String array with arguments in it. 973 * At present we have two arguments, the class name and an option string. 974 * Create an array to hold them. 975 */ 976 jclass stringClass; 977 jobjectArray strArray; 978 jstring classNameStr; 979 980 stringClass = env->FindClass("java/lang/String"); 981 assert(stringClass != NULL); 982 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 983 assert(strArray != NULL); 984 classNameStr = env->NewStringUTF(className); 985 assert(classNameStr != NULL); 986 env->SetObjectArrayElement(strArray, 0, classNameStr); 987 988 for (size_t i = 0; i < options.size(); ++i) { 989 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 990 assert(optionsStr != NULL); 991 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 992 } 993 994 /* 995 * Start VM. This thread becomes the main thread of the VM, and will 996 * not return until the VM exits. 997 */ 998 char* slashClassName = toSlashClassName(className); 999 jclass startClass = env->FindClass(slashClassName); 1000 if (startClass == NULL) { 1001 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1002 /* keep going */ 1003 } else { 1004 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1005 "([Ljava/lang/String;)V"); 1006 if (startMeth == NULL) { 1007 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1008 /* keep going */ 1009 } else { 1010 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1011 1012#if 0 1013 if (env->ExceptionCheck()) 1014 threadExitUncaughtException(env); 1015#endif 1016 } 1017 } 1018 free(slashClassName); 1019 1020 ALOGD("Shutting down VM\n"); 1021 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1022 ALOGW("Warning: unable to detach main thread\n"); 1023 if (mJavaVM->DestroyJavaVM() != 0) 1024 ALOGW("Warning: VM did not shut down cleanly\n"); 1025} 1026 1027void AndroidRuntime::exit(int code) 1028{ 1029 if (mExitWithoutCleanup) { 1030 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1031 ::_exit(code); 1032 } else { 1033 ALOGI("VM exiting with result code %d.", code); 1034 onExit(code); 1035 ::exit(code); 1036 } 1037} 1038 1039void AndroidRuntime::onVmCreated(JNIEnv* env) 1040{ 1041 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1042} 1043 1044/* 1045 * Get the JNIEnv pointer for this thread. 1046 * 1047 * Returns NULL if the slot wasn't allocated or populated. 1048 */ 1049/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1050{ 1051 JNIEnv* env; 1052 JavaVM* vm = AndroidRuntime::getJavaVM(); 1053 assert(vm != NULL); 1054 1055 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1056 return NULL; 1057 return env; 1058} 1059 1060/* 1061 * Makes the current thread visible to the VM. 1062 * 1063 * The JNIEnv pointer returned is only valid for the current thread, and 1064 * thus must be tucked into thread-local storage. 1065 */ 1066static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1067{ 1068 JavaVMAttachArgs args; 1069 JavaVM* vm; 1070 jint result; 1071 1072 vm = AndroidRuntime::getJavaVM(); 1073 assert(vm != NULL); 1074 1075 args.version = JNI_VERSION_1_4; 1076 args.name = (char*) threadName; 1077 args.group = NULL; 1078 1079 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1080 if (result != JNI_OK) 1081 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1082 1083 return result; 1084} 1085 1086/* 1087 * Detach the current thread from the set visible to the VM. 1088 */ 1089static int javaDetachThread(void) 1090{ 1091 JavaVM* vm; 1092 jint result; 1093 1094 vm = AndroidRuntime::getJavaVM(); 1095 assert(vm != NULL); 1096 1097 result = vm->DetachCurrentThread(); 1098 if (result != JNI_OK) 1099 ALOGE("ERROR: thread detach failed\n"); 1100 return result; 1101} 1102 1103/* 1104 * When starting a native thread that will be visible from the VM, we 1105 * bounce through this to get the right attach/detach action. 1106 * Note that this function calls free(args) 1107 */ 1108/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1109 void* start = ((void**)args)[0]; 1110 void* userData = ((void **)args)[1]; 1111 char* name = (char*) ((void **)args)[2]; // we own this storage 1112 free(args); 1113 JNIEnv* env; 1114 int result; 1115 1116 /* hook us into the VM */ 1117 if (javaAttachThread(name, &env) != JNI_OK) 1118 return -1; 1119 1120 /* start the thread running */ 1121 result = (*(android_thread_func_t)start)(userData); 1122 1123 /* unhook us */ 1124 javaDetachThread(); 1125 free(name); 1126 1127 return result; 1128} 1129 1130/* 1131 * This is invoked from androidCreateThreadEtc() via the callback 1132 * set with androidSetCreateThreadFunc(). 1133 * 1134 * We need to create the new thread in such a way that it gets hooked 1135 * into the VM before it really starts executing. 1136 */ 1137/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1138 android_thread_func_t entryFunction, 1139 void* userData, 1140 const char* threadName, 1141 int32_t threadPriority, 1142 size_t threadStackSize, 1143 android_thread_id_t* threadId) 1144{ 1145 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1146 int result; 1147 1148 if (!threadName) 1149 threadName = "unnamed thread"; 1150 1151 args[0] = (void*) entryFunction; 1152 args[1] = userData; 1153 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1154 1155 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1156 threadName, threadPriority, threadStackSize, threadId); 1157 return result; 1158} 1159 1160/* 1161 * Create a thread that is visible from the VM. 1162 * 1163 * This is called from elsewhere in the library. 1164 */ 1165/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1166 void (*start)(void *), void* arg) 1167{ 1168 android_thread_id_t threadId = 0; 1169 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1170 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1171 return threadId; 1172} 1173 1174#if 0 1175static void quickTest(void* arg) 1176{ 1177 const char* str = (const char*) arg; 1178 1179 printf("In quickTest: %s\n", str); 1180} 1181#endif 1182 1183#ifdef NDEBUG 1184 #define REG_JNI(name) { name } 1185 struct RegJNIRec { 1186 int (*mProc)(JNIEnv*); 1187 }; 1188#else 1189 #define REG_JNI(name) { name, #name } 1190 struct RegJNIRec { 1191 int (*mProc)(JNIEnv*); 1192 const char* mName; 1193 }; 1194#endif 1195 1196typedef void (*RegJAMProc)(); 1197 1198static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1199{ 1200 for (size_t i = 0; i < count; i++) { 1201 if (array[i].mProc(env) < 0) { 1202#ifndef NDEBUG 1203 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1204#endif 1205 return -1; 1206 } 1207 } 1208 return 0; 1209} 1210 1211static const RegJNIRec gRegJNI[] = { 1212 REG_JNI(register_com_android_internal_os_RuntimeInit), 1213 REG_JNI(register_android_os_SystemClock), 1214 REG_JNI(register_android_util_EventLog), 1215 REG_JNI(register_android_util_Log), 1216 REG_JNI(register_android_content_AssetManager), 1217 REG_JNI(register_android_content_StringBlock), 1218 REG_JNI(register_android_content_XmlBlock), 1219 REG_JNI(register_android_emoji_EmojiFactory), 1220 REG_JNI(register_android_text_AndroidCharacter), 1221 REG_JNI(register_android_text_StaticLayout), 1222 REG_JNI(register_android_text_AndroidBidi), 1223 REG_JNI(register_android_view_InputDevice), 1224 REG_JNI(register_android_view_KeyCharacterMap), 1225 REG_JNI(register_android_os_Process), 1226 REG_JNI(register_android_os_SystemProperties), 1227 REG_JNI(register_android_os_Binder), 1228 REG_JNI(register_android_os_Parcel), 1229 REG_JNI(register_android_nio_utils), 1230 REG_JNI(register_android_graphics_Graphics), 1231 REG_JNI(register_android_view_DisplayEventReceiver), 1232 REG_JNI(register_android_view_RenderNode), 1233 REG_JNI(register_android_view_RenderNodeAnimator), 1234 REG_JNI(register_android_view_GraphicBuffer), 1235 REG_JNI(register_android_view_GLES20Canvas), 1236 REG_JNI(register_android_view_HardwareLayer), 1237 REG_JNI(register_android_view_ThreadedRenderer), 1238 REG_JNI(register_android_view_Surface), 1239 REG_JNI(register_android_view_SurfaceControl), 1240 REG_JNI(register_android_view_SurfaceSession), 1241 REG_JNI(register_android_view_TextureView), 1242 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1243 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1244 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1245 REG_JNI(register_android_opengl_jni_EGL14), 1246 REG_JNI(register_android_opengl_jni_EGLExt), 1247 REG_JNI(register_android_opengl_jni_GLES10), 1248 REG_JNI(register_android_opengl_jni_GLES10Ext), 1249 REG_JNI(register_android_opengl_jni_GLES11), 1250 REG_JNI(register_android_opengl_jni_GLES11Ext), 1251 REG_JNI(register_android_opengl_jni_GLES20), 1252 REG_JNI(register_android_opengl_jni_GLES30), 1253 REG_JNI(register_android_opengl_jni_GLES31), 1254 REG_JNI(register_android_opengl_jni_GLES31Ext), 1255 1256 REG_JNI(register_android_graphics_Bitmap), 1257 REG_JNI(register_android_graphics_BitmapFactory), 1258 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1259 REG_JNI(register_android_graphics_Camera), 1260 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1261 REG_JNI(register_android_graphics_Canvas), 1262 REG_JNI(register_android_graphics_CanvasProperty), 1263 REG_JNI(register_android_graphics_ColorFilter), 1264 REG_JNI(register_android_graphics_DrawFilter), 1265 REG_JNI(register_android_graphics_FontFamily), 1266 REG_JNI(register_android_graphics_Interpolator), 1267 REG_JNI(register_android_graphics_LayerRasterizer), 1268 REG_JNI(register_android_graphics_MaskFilter), 1269 REG_JNI(register_android_graphics_Matrix), 1270 REG_JNI(register_android_graphics_Movie), 1271 REG_JNI(register_android_graphics_NinePatch), 1272 REG_JNI(register_android_graphics_Paint), 1273 REG_JNI(register_android_graphics_Path), 1274 REG_JNI(register_android_graphics_PathMeasure), 1275 REG_JNI(register_android_graphics_PathEffect), 1276 REG_JNI(register_android_graphics_Picture), 1277 REG_JNI(register_android_graphics_PorterDuff), 1278 REG_JNI(register_android_graphics_Rasterizer), 1279 REG_JNI(register_android_graphics_Region), 1280 REG_JNI(register_android_graphics_Shader), 1281 REG_JNI(register_android_graphics_SurfaceTexture), 1282 REG_JNI(register_android_graphics_Typeface), 1283 REG_JNI(register_android_graphics_Xfermode), 1284 REG_JNI(register_android_graphics_YuvImage), 1285 REG_JNI(register_android_graphics_pdf_PdfDocument), 1286 REG_JNI(register_android_graphics_pdf_PdfEditor), 1287 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1288 1289 REG_JNI(register_android_database_CursorWindow), 1290 REG_JNI(register_android_database_SQLiteConnection), 1291 REG_JNI(register_android_database_SQLiteGlobal), 1292 REG_JNI(register_android_database_SQLiteDebug), 1293 REG_JNI(register_android_os_Debug), 1294 REG_JNI(register_android_os_FileObserver), 1295 REG_JNI(register_android_os_MessageQueue), 1296 REG_JNI(register_android_os_SELinux), 1297 REG_JNI(register_android_os_Trace), 1298 REG_JNI(register_android_os_UEventObserver), 1299 REG_JNI(register_android_net_LocalSocketImpl), 1300 REG_JNI(register_android_net_NetworkUtils), 1301 REG_JNI(register_android_net_TrafficStats), 1302 REG_JNI(register_android_os_MemoryFile), 1303 REG_JNI(register_com_android_internal_os_ZygoteInit), 1304 REG_JNI(register_com_android_internal_os_Zygote), 1305 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1306 REG_JNI(register_android_hardware_Camera), 1307 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1308 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1309 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1310 REG_JNI(register_android_hardware_camera2_DngCreator), 1311 REG_JNI(register_android_hardware_SensorManager), 1312 REG_JNI(register_android_hardware_SerialPort), 1313 REG_JNI(register_android_hardware_SoundTrigger), 1314 REG_JNI(register_android_hardware_UsbDevice), 1315 REG_JNI(register_android_hardware_UsbDeviceConnection), 1316 REG_JNI(register_android_hardware_UsbRequest), 1317 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1318 REG_JNI(register_android_media_AudioRecord), 1319 REG_JNI(register_android_media_AudioSystem), 1320 REG_JNI(register_android_media_AudioTrack), 1321 REG_JNI(register_android_media_JetPlayer), 1322 REG_JNI(register_android_media_RemoteDisplay), 1323 REG_JNI(register_android_media_ToneGenerator), 1324 1325 REG_JNI(register_android_opengl_classes), 1326 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1327 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1328 REG_JNI(register_android_backup_BackupDataInput), 1329 REG_JNI(register_android_backup_BackupDataOutput), 1330 REG_JNI(register_android_backup_FileBackupHelperBase), 1331 REG_JNI(register_android_backup_BackupHelperDispatcher), 1332 REG_JNI(register_android_app_backup_FullBackup), 1333 REG_JNI(register_android_app_ActivityThread), 1334 REG_JNI(register_android_app_NativeActivity), 1335 REG_JNI(register_android_view_InputChannel), 1336 REG_JNI(register_android_view_InputEventReceiver), 1337 REG_JNI(register_android_view_InputEventSender), 1338 REG_JNI(register_android_view_InputQueue), 1339 REG_JNI(register_android_view_KeyEvent), 1340 REG_JNI(register_android_view_MotionEvent), 1341 REG_JNI(register_android_view_PointerIcon), 1342 REG_JNI(register_android_view_VelocityTracker), 1343 1344 REG_JNI(register_android_content_res_ObbScanner), 1345 REG_JNI(register_android_content_res_Configuration), 1346 1347 REG_JNI(register_android_animation_PropertyValuesHolder), 1348 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1349 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1350}; 1351 1352/* 1353 * Register android native functions with the VM. 1354 */ 1355/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1356{ 1357 /* 1358 * This hook causes all future threads created in this process to be 1359 * attached to the JavaVM. (This needs to go away in favor of JNI 1360 * Attach calls.) 1361 */ 1362 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1363 1364 ALOGV("--- registering native functions ---\n"); 1365 1366 /* 1367 * Every "register" function calls one or more things that return 1368 * a local reference (e.g. FindClass). Because we haven't really 1369 * started the VM yet, they're all getting stored in the base frame 1370 * and never released. Use Push/Pop to manage the storage. 1371 */ 1372 env->PushLocalFrame(200); 1373 1374 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1375 env->PopLocalFrame(NULL); 1376 return -1; 1377 } 1378 env->PopLocalFrame(NULL); 1379 1380 //createJavaThread("fubar", quickTest, (void*) "hello"); 1381 1382 return 0; 1383} 1384 1385AndroidRuntime* AndroidRuntime::getRuntime() 1386{ 1387 return gCurRuntime; 1388} 1389 1390/** 1391 * Used by WithFramework to register native functions. 1392 */ 1393extern "C" 1394jint Java_com_android_internal_util_WithFramework_registerNatives( 1395 JNIEnv* env, jclass clazz) { 1396 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1397} 1398 1399/** 1400 * Used by LoadClass to register native functions. 1401 */ 1402extern "C" 1403jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1404 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1405} 1406 1407} // namespace android 1408