AndroidRuntime.cpp revision 65ff8ee1344d5bd2a9f068348992c3b9c8496d31
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 351static bool hasFile(const char* file) { 352 struct stat s; 353 int res = stat(file, &s); 354 if (res == 0) { 355 return S_ISREG(s.st_mode); 356 } 357 return false; 358} 359 360/* 361 * Read the persistent locale. 362 */ 363static void readLocale(char* language, char* region) 364{ 365 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 366 367 property_get("persist.sys.language", propLang, ""); 368 property_get("persist.sys.country", propRegn, ""); 369 if (*propLang == 0 && *propRegn == 0) { 370 /* Set to ro properties, default is en_US */ 371 property_get("ro.product.locale.language", propLang, "en"); 372 property_get("ro.product.locale.region", propRegn, "US"); 373 } 374 strncat(language, propLang, 3); 375 strncat(region, propRegn, 3); 376 //ALOGD("language=%s region=%s\n", language, region); 377} 378 379void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 380{ 381 JavaVMOption opt; 382 opt.optionString = optionString; 383 opt.extraInfo = extraInfo; 384 mOptions.add(opt); 385} 386 387/* 388 * Parse a property containing space-separated options that should be 389 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 390 * 391 * This will cut up "extraOptsBuf" as we chop it into individual options. 392 * 393 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 394 * 395 * Adds the strings, if any, to mOptions. 396 */ 397void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 398{ 399 char* start = extraOptsBuf; 400 char* end = NULL; 401 while (*start != '\0') { 402 while (*start == ' ') /* skip leading whitespace */ 403 start++; 404 if (*start == '\0') /* was trailing ws, bail */ 405 break; 406 407 end = start+1; 408 while (*end != ' ' && *end != '\0') /* find end of token */ 409 end++; 410 if (*end == ' ') 411 *end++ = '\0'; /* mark end, advance to indicate more */ 412 413 if (quotingArg != NULL) { 414 addOption(quotingArg); 415 } 416 addOption(start); 417 start = end; 418 } 419} 420 421/* 422 * Reads a "property" into "buffer" with a default of "defaultArg". If 423 * the property is non-empty, it is treated as a runtime option such 424 * as "-Xmx32m". 425 * 426 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 427 * 428 * If an argument is found, it is added to mOptions. 429 * 430 * If an option is found, it is added to mOptions and true is 431 * returned. Otherwise false is returned. 432 */ 433bool AndroidRuntime::parseRuntimeOption(const char* property, 434 char* buffer, 435 const char* runtimeArg, 436 const char* defaultArg) 437{ 438 strcpy(buffer, runtimeArg); 439 size_t runtimeArgLen = strlen(runtimeArg); 440 property_get(property, buffer+runtimeArgLen, defaultArg); 441 if (buffer[runtimeArgLen] == '\0') { 442 return false; 443 } 444 addOption(buffer); 445 return true; 446} 447 448/* 449 * Reads a "property" into "buffer". If the property is non-empty, it 450 * is treated as a dex2oat compiler option that should be 451 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 452 * 453 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 454 * 455 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 456 * 457 * If an option is found, it is added to mOptions and true is 458 * returned. Otherwise false is returned. 459 */ 460bool AndroidRuntime::parseCompilerOption(const char* property, 461 char* buffer, 462 const char* compilerArg, 463 const char* quotingArg) 464{ 465 strcpy(buffer, compilerArg); 466 size_t compilerArgLen = strlen(compilerArg); 467 property_get(property, buffer+compilerArgLen, ""); 468 if (buffer[compilerArgLen] == '\0') { 469 return false; 470 } 471 addOption(quotingArg); 472 addOption(buffer); 473 return true; 474} 475 476/* 477 * Reads a "property" into "buffer". If the property is non-empty, it 478 * is treated as a dex2oat compiler runtime option that should be 479 * passed as a quoted option, e.g. "-Ximage-compiler-option 480 * --runtime-arg -Ximage-compiler-option -Xmx32m". 481 * 482 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 483 * 484 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 485 * 486 * If an option is found, it is added to mOptions and true is 487 * returned. Otherwise false is returned. 488 */ 489bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 490 char* buffer, 491 const char* runtimeArg, 492 const char* quotingArg) 493{ 494 strcpy(buffer, runtimeArg); 495 size_t runtimeArgLen = strlen(runtimeArg); 496 property_get(property, buffer+runtimeArgLen, ""); 497 if (buffer[runtimeArgLen] == '\0') { 498 return false; 499 } 500 addOption(quotingArg); 501 addOption("--runtime-arg"); 502 addOption(quotingArg); 503 addOption(buffer); 504 return true; 505} 506 507/* 508 * Start the Dalvik Virtual Machine. 509 * 510 * Various arguments, most determined by system properties, are passed in. 511 * The "mOptions" vector is updated. 512 * 513 * CAUTION: when adding options in here, be careful not to put the 514 * char buffer inside a nested scope. Adding the buffer to the 515 * options using mOptions.add() does not copy the buffer, so if the 516 * buffer goes out of scope the option may be overwritten. It's best 517 * to put the buffer at the top of the function so that it is more 518 * unlikely that someone will surround it in a scope at a later time 519 * and thus introduce a bug. 520 * 521 * Returns 0 on success. 522 */ 523int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 524{ 525 int result = -1; 526 JavaVMInitArgs initArgs; 527 char propBuf[PROPERTY_VALUE_MAX]; 528 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 529 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 530 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 531 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 532 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 533 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 534 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 535 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 536 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 537 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 538 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 539 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 540 char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX]; 541 char dalvikVmLibBuf[PROPERTY_VALUE_MAX]; 542 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 543 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 544 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 545 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 546 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 547 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 548 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 549 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 550 char extraOptsBuf[PROPERTY_VALUE_MAX]; 551 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 552 enum { 553 kEMDefault, 554 kEMIntPortable, 555 kEMIntFast, 556 kEMJitCompiler, 557 } executionMode = kEMDefault; 558 char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX]; 559 char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX]; 560 char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX]; 561 char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX]; 562 char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX]; 563 char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 + 564 PROPERTY_VALUE_MAX]; 565 char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX]; 566 char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX]; 567 char langOption[sizeof("-Duser.language=") + 3]; 568 char regionOption[sizeof("-Duser.region=") + 3]; 569 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 570 char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX]; 571 char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX]; 572 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 573 574 bool checkJni = false; 575 property_get("dalvik.vm.checkjni", propBuf, ""); 576 if (strcmp(propBuf, "true") == 0) { 577 checkJni = true; 578 } else if (strcmp(propBuf, "false") != 0) { 579 /* property is neither true nor false; fall back on kernel parameter */ 580 property_get("ro.kernel.android.checkjni", propBuf, ""); 581 if (propBuf[0] == '1') { 582 checkJni = true; 583 } 584 } 585 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 586 if (checkJni) { 587 /* extended JNI checking */ 588 addOption("-Xcheck:jni"); 589 590 /* set a cap on JNI global references */ 591 addOption("-Xjnigreflimit:2000"); 592 593 /* with -Xcheck:jni, this provides a JNI function call trace */ 594 //addOption("-verbose:jni"); 595 } 596 597 property_get("dalvik.vm.execution-mode", propBuf, ""); 598 if (strcmp(propBuf, "int:portable") == 0) { 599 executionMode = kEMIntPortable; 600 } else if (strcmp(propBuf, "int:fast") == 0) { 601 executionMode = kEMIntFast; 602 } else if (strcmp(propBuf, "int:jit") == 0) { 603 executionMode = kEMJitCompiler; 604 } 605 606 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 607 608 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 609 if (strcmp(propBuf, "true") == 0) { 610 /* perform additional DEX checksum tests */ 611 addOption("-Xcheckdexsum"); 612 } 613 614 property_get("log.redirect-stdio", propBuf, ""); 615 if (strcmp(propBuf, "true") == 0) { 616 /* convert stdout/stderr to log messages */ 617 addOption("-Xlog-stdio"); 618 } 619 620 strcpy(enableAssertBuf, "-ea:"); 621 property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, ""); 622 if (enableAssertBuf[sizeof("-ea:")-1] != '\0') { 623 /* accept "all" to mean "all classes and packages" */ 624 if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0) 625 enableAssertBuf[3] = '\0'; // truncate to "-ea" 626 ALOGI("Assertions enabled: '%s'\n", enableAssertBuf); 627 addOption(enableAssertBuf); 628 } else { 629 ALOGV("Assertions disabled\n"); 630 } 631 632 strcpy(jniOptsBuf, "-Xjniopts:"); 633 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 634 ALOGI("JNI options: '%s'\n", jniOptsBuf); 635 } 636 637 /* route exit() to our handler */ 638 addOption("exit", (void*) runtime_exit); 639 640 /* route fprintf() to our handler */ 641 addOption("vfprintf", (void*) runtime_vfprintf); 642 643 /* register the framework-specific "is sensitive thread" hook */ 644 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 645 646 /* enable verbose; standard options are { jni, gc, class } */ 647 //addOption("-verbose:jni"); 648 addOption("-verbose:gc"); 649 //addOption("-verbose:class"); 650 651 /* 652 * The default starting and maximum size of the heap. Larger 653 * values should be specified in a product property override. 654 */ 655 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 656 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 657 658 // Increase the main thread's interpreter stack size for bug 6315322. 659 addOption("-XX:mainThreadStackSize=24K"); 660 661 // Set the max jit code cache size. Note: size of 0 will disable the JIT. 662 parseRuntimeOption("dalvik.vm.jit.codecachesize", 663 jitcodecachesizeOptsBuf, 664 "-Xjitcodecachesize:"); 665 666 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 667 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 668 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 669 parseRuntimeOption("dalvik.vm.heaptargetutilization", 670 heaptargetutilizationOptsBuf, 671 "-XX:HeapTargetUtilization="); 672 673 property_get("ro.config.low_ram", propBuf, ""); 674 if (strcmp(propBuf, "true") == 0) { 675 addOption("-XX:LowMemoryMode"); 676 } 677 678 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 679 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 680 681 /* 682 * Enable or disable dexopt features, such as bytecode verification and 683 * calculation of register maps for precise GC. 684 */ 685 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 686 if (dexoptFlagsBuf[0] != '\0') { 687 const char* opc; 688 const char* val; 689 690 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 691 if (opc != NULL) { 692 switch (*(opc+2)) { 693 case 'n': val = "-Xverify:none"; break; 694 case 'r': val = "-Xverify:remote"; break; 695 case 'a': val = "-Xverify:all"; break; 696 default: val = NULL; break; 697 } 698 699 if (val != NULL) { 700 addOption(val); 701 } 702 } 703 704 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 705 if (opc != NULL) { 706 switch (*(opc+2)) { 707 case 'n': val = "-Xdexopt:none"; break; 708 case 'v': val = "-Xdexopt:verified"; break; 709 case 'a': val = "-Xdexopt:all"; break; 710 case 'f': val = "-Xdexopt:full"; break; 711 default: val = NULL; break; 712 } 713 714 if (val != NULL) { 715 addOption(val); 716 } 717 } 718 719 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 720 if (opc != NULL) { 721 addOption("-Xgenregmap"); 722 723 /* turn on precise GC while we're at it */ 724 addOption("-Xgc:precise"); 725 } 726 } 727 728 /* enable debugging; set suspend=y to pause during VM init */ 729 /* use android ADB transport */ 730 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 731 732 parseRuntimeOption("dalvik.vm.lockprof.threshold", 733 lockProfThresholdBuf, 734 "-Xlockprofthreshold:"); 735 736 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 737 parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:"); 738 739 /* Force interpreter-only mode for selected methods */ 740 parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:"); 741 742 if (executionMode == kEMIntPortable) { 743 addOption("-Xint:portable"); 744 } else if (executionMode == kEMIntFast) { 745 addOption("-Xint:fast"); 746 } else if (executionMode == kEMJitCompiler) { 747 addOption("-Xint:jit"); 748 } 749 750 // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart. 751 property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so"); 752 bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0); 753 754 if (libart) { 755 // If we booting without the real /data, don't spend time compiling. 756 property_get("vold.decrypt", voldDecryptBuf, ""); 757 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 758 (strcmp(voldDecryptBuf, "1") == 0)); 759 760 // Extra options for boot.art/boot.oat image generation. 761 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 762 "-Xms", "-Ximage-compiler-option"); 763 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 764 "-Xmx", "-Ximage-compiler-option"); 765 if (skip_compilation) { 766 addOption("-Ximage-compiler-option"); 767 addOption("--compiler-filter=verify-none"); 768 } else { 769 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 770 "--compiler-filter=", "-Ximage-compiler-option"); 771 } 772 773 // Make sure there is a preloaded-classes file. 774 if (!hasFile("/system/etc/preloaded-classes")) { 775 ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n", 776 strerror(errno)); 777 goto bail; 778 } 779 addOption("-Ximage-compiler-option"); 780 addOption("--image-classes=/system/etc/preloaded-classes"); 781 782 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 783 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 784 785 // Extra options for DexClassLoader. 786 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 787 "-Xms", "-Xcompiler-option"); 788 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 789 "-Xmx", "-Xcompiler-option"); 790 if (skip_compilation) { 791 addOption("-Xcompiler-option"); 792 addOption("--compiler-filter=verify-none"); 793 } else { 794 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 795 "--compiler-filter=", "-Xcompiler-option"); 796 } 797 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 798 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 799 800 } 801 802 /* extra options; parse this late so it overrides others */ 803 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 804 parseExtraOpts(extraOptsBuf, NULL); 805 806 /* Set the properties for locale */ 807 { 808 strcpy(langOption, "-Duser.language="); 809 strcpy(regionOption, "-Duser.region="); 810 readLocale(langOption, regionOption); 811 addOption(langOption); 812 addOption(regionOption); 813 } 814 815 /* 816 * Set profiler options 817 */ 818 if (libart) { 819 // Whether or not the profiler should be enabled. 820 property_get("dalvik.vm.profiler", propBuf, "0"); 821 if (propBuf[0] == '1') { 822 addOption("-Xenable-profiler"); 823 } 824 825 // Whether the profile should start upon app startup or be delayed by some random offset 826 // (in seconds) that is bound between 0 and a fixed value. 827 property_get("dalvik.vm.profile.start-immed", propBuf, "0"); 828 if (propBuf[0] == '1') { 829 addOption("-Xprofile-start-immediately"); 830 } 831 832 // Number of seconds during profile runs. 833 parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:"); 834 835 // Length of each profile run (seconds). 836 parseRuntimeOption("dalvik.vm.profile.duration-secs", 837 profileDuration, 838 "-Xprofile-duration:"); 839 840 // Polling interval during profile run (microseconds). 841 parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:"); 842 843 // Coefficient for period backoff. The the period is multiplied 844 // by this value after each profile run. 845 parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:"); 846 847 // Top K% of samples that are considered relevant when 848 // deciding if the app should be recompiled. 849 parseRuntimeOption("dalvik.vm.profile.top-k-thr", 850 profileTopKThreshold, 851 "-Xprofile-top-k-threshold:"); 852 853 // The threshold after which a change in the structure of the 854 // top K% profiled samples becomes significant and triggers 855 // recompilation. A change in profile is considered 856 // significant if X% (top-k-change-threshold) of the top K% 857 // (top-k-threshold property) samples has changed. 858 parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr", 859 profileTopKChangeThreshold, 860 "-Xprofile-top-k-change-threshold:"); 861 862 // Type of profile data. 863 parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:"); 864 865 // Depth of bounded stack data 866 parseRuntimeOption("dalvik.vm.profile.stack-depth", 867 profileMaxStackDepth, 868 "-Xprofile-max-stack-depth:"); 869 870 // Native bridge library. "0" means that native bridge is disabled. 871 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 872 if (propBuf[0] == '\0') { 873 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 874 } else if (strcmp(propBuf, "0") != 0) { 875 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 876 "-XX:NativeBridge=%s", propBuf); 877 addOption(nativeBridgeLibrary); 878 } 879 } 880 881 initArgs.version = JNI_VERSION_1_4; 882 initArgs.options = mOptions.editArray(); 883 initArgs.nOptions = mOptions.size(); 884 initArgs.ignoreUnrecognized = JNI_FALSE; 885 886 /* 887 * Initialize the VM. 888 * 889 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 890 * If this call succeeds, the VM is ready, and we can start issuing 891 * JNI calls. 892 */ 893 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 894 ALOGE("JNI_CreateJavaVM failed\n"); 895 goto bail; 896 } 897 898 result = 0; 899 900bail: 901 return result; 902} 903 904char* AndroidRuntime::toSlashClassName(const char* className) 905{ 906 char* result = strdup(className); 907 for (char* cp = result; *cp != '\0'; cp++) { 908 if (*cp == '.') { 909 *cp = '/'; 910 } 911 } 912 return result; 913} 914 915/** Create a Java string from an ASCII or Latin-1 string */ 916jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) { 917 if (!bytes) return NULL; 918 int length = strlen(bytes); 919 jchar* buffer = (jchar *)alloca(length * sizeof(jchar)); 920 if (!buffer) return NULL; 921 jchar* chp = buffer; 922 for (int i = 0; i < length; i++) { 923 *chp++ = *bytes++; 924 } 925 return env->NewString(buffer, length); 926} 927 928 929/* 930 * Start the Android runtime. This involves starting the virtual machine 931 * and calling the "static void main(String[] args)" method in the class 932 * named by "className". 933 * 934 * Passes the main function two arguments, the class name and the specified 935 * options string. 936 */ 937void AndroidRuntime::start(const char* className, const Vector<String8>& options) 938{ 939 ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 940 className != NULL ? className : "(unknown)"); 941 942 static const String8 startSystemServer("start-system-server"); 943 944 /* 945 * 'startSystemServer == true' means runtime is obsolete and not run from 946 * init.rc anymore, so we print out the boot start event here. 947 */ 948 for (size_t i = 0; i < options.size(); ++i) { 949 if (options[i] == startSystemServer) { 950 /* track our progress through the boot sequence */ 951 const int LOG_BOOT_PROGRESS_START = 3000; 952 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 953 } 954 } 955 956 const char* rootDir = getenv("ANDROID_ROOT"); 957 if (rootDir == NULL) { 958 rootDir = "/system"; 959 if (!hasDir("/system")) { 960 LOG_FATAL("No root directory specified, and /android does not exist."); 961 return; 962 } 963 setenv("ANDROID_ROOT", rootDir, 1); 964 } 965 966 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 967 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 968 969 /* start the virtual machine */ 970 JniInvocation jni_invocation; 971 jni_invocation.Init(NULL); 972 JNIEnv* env; 973 if (startVm(&mJavaVM, &env) != 0) { 974 return; 975 } 976 onVmCreated(env); 977 978 /* 979 * Register android functions. 980 */ 981 if (startReg(env) < 0) { 982 ALOGE("Unable to register all android natives\n"); 983 return; 984 } 985 986 /* 987 * We want to call main() with a String array with arguments in it. 988 * At present we have two arguments, the class name and an option string. 989 * Create an array to hold them. 990 */ 991 jclass stringClass; 992 jobjectArray strArray; 993 jstring classNameStr; 994 995 stringClass = env->FindClass("java/lang/String"); 996 assert(stringClass != NULL); 997 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 998 assert(strArray != NULL); 999 classNameStr = env->NewStringUTF(className); 1000 assert(classNameStr != NULL); 1001 env->SetObjectArrayElement(strArray, 0, classNameStr); 1002 1003 for (size_t i = 0; i < options.size(); ++i) { 1004 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 1005 assert(optionsStr != NULL); 1006 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 1007 } 1008 1009 /* 1010 * Start VM. This thread becomes the main thread of the VM, and will 1011 * not return until the VM exits. 1012 */ 1013 char* slashClassName = toSlashClassName(className); 1014 jclass startClass = env->FindClass(slashClassName); 1015 if (startClass == NULL) { 1016 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1017 /* keep going */ 1018 } else { 1019 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1020 "([Ljava/lang/String;)V"); 1021 if (startMeth == NULL) { 1022 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1023 /* keep going */ 1024 } else { 1025 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1026 1027#if 0 1028 if (env->ExceptionCheck()) 1029 threadExitUncaughtException(env); 1030#endif 1031 } 1032 } 1033 free(slashClassName); 1034 1035 ALOGD("Shutting down VM\n"); 1036 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1037 ALOGW("Warning: unable to detach main thread\n"); 1038 if (mJavaVM->DestroyJavaVM() != 0) 1039 ALOGW("Warning: VM did not shut down cleanly\n"); 1040} 1041 1042void AndroidRuntime::exit(int code) 1043{ 1044 if (mExitWithoutCleanup) { 1045 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1046 ::_exit(code); 1047 } else { 1048 ALOGI("VM exiting with result code %d.", code); 1049 onExit(code); 1050 ::exit(code); 1051 } 1052} 1053 1054void AndroidRuntime::onVmCreated(JNIEnv* env) 1055{ 1056 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1057} 1058 1059/* 1060 * Get the JNIEnv pointer for this thread. 1061 * 1062 * Returns NULL if the slot wasn't allocated or populated. 1063 */ 1064/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1065{ 1066 JNIEnv* env; 1067 JavaVM* vm = AndroidRuntime::getJavaVM(); 1068 assert(vm != NULL); 1069 1070 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1071 return NULL; 1072 return env; 1073} 1074 1075/* 1076 * Makes the current thread visible to the VM. 1077 * 1078 * The JNIEnv pointer returned is only valid for the current thread, and 1079 * thus must be tucked into thread-local storage. 1080 */ 1081static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1082{ 1083 JavaVMAttachArgs args; 1084 JavaVM* vm; 1085 jint result; 1086 1087 vm = AndroidRuntime::getJavaVM(); 1088 assert(vm != NULL); 1089 1090 args.version = JNI_VERSION_1_4; 1091 args.name = (char*) threadName; 1092 args.group = NULL; 1093 1094 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1095 if (result != JNI_OK) 1096 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1097 1098 return result; 1099} 1100 1101/* 1102 * Detach the current thread from the set visible to the VM. 1103 */ 1104static int javaDetachThread(void) 1105{ 1106 JavaVM* vm; 1107 jint result; 1108 1109 vm = AndroidRuntime::getJavaVM(); 1110 assert(vm != NULL); 1111 1112 result = vm->DetachCurrentThread(); 1113 if (result != JNI_OK) 1114 ALOGE("ERROR: thread detach failed\n"); 1115 return result; 1116} 1117 1118/* 1119 * When starting a native thread that will be visible from the VM, we 1120 * bounce through this to get the right attach/detach action. 1121 * Note that this function calls free(args) 1122 */ 1123/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1124 void* start = ((void**)args)[0]; 1125 void* userData = ((void **)args)[1]; 1126 char* name = (char*) ((void **)args)[2]; // we own this storage 1127 free(args); 1128 JNIEnv* env; 1129 int result; 1130 1131 /* hook us into the VM */ 1132 if (javaAttachThread(name, &env) != JNI_OK) 1133 return -1; 1134 1135 /* start the thread running */ 1136 result = (*(android_thread_func_t)start)(userData); 1137 1138 /* unhook us */ 1139 javaDetachThread(); 1140 free(name); 1141 1142 return result; 1143} 1144 1145/* 1146 * This is invoked from androidCreateThreadEtc() via the callback 1147 * set with androidSetCreateThreadFunc(). 1148 * 1149 * We need to create the new thread in such a way that it gets hooked 1150 * into the VM before it really starts executing. 1151 */ 1152/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1153 android_thread_func_t entryFunction, 1154 void* userData, 1155 const char* threadName, 1156 int32_t threadPriority, 1157 size_t threadStackSize, 1158 android_thread_id_t* threadId) 1159{ 1160 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1161 int result; 1162 1163 if (!threadName) 1164 threadName = "unnamed thread"; 1165 1166 args[0] = (void*) entryFunction; 1167 args[1] = userData; 1168 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1169 1170 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1171 threadName, threadPriority, threadStackSize, threadId); 1172 return result; 1173} 1174 1175/* 1176 * Create a thread that is visible from the VM. 1177 * 1178 * This is called from elsewhere in the library. 1179 */ 1180/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1181 void (*start)(void *), void* arg) 1182{ 1183 android_thread_id_t threadId = 0; 1184 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1185 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1186 return threadId; 1187} 1188 1189#if 0 1190static void quickTest(void* arg) 1191{ 1192 const char* str = (const char*) arg; 1193 1194 printf("In quickTest: %s\n", str); 1195} 1196#endif 1197 1198#ifdef NDEBUG 1199 #define REG_JNI(name) { name } 1200 struct RegJNIRec { 1201 int (*mProc)(JNIEnv*); 1202 }; 1203#else 1204 #define REG_JNI(name) { name, #name } 1205 struct RegJNIRec { 1206 int (*mProc)(JNIEnv*); 1207 const char* mName; 1208 }; 1209#endif 1210 1211typedef void (*RegJAMProc)(); 1212 1213static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1214{ 1215 for (size_t i = 0; i < count; i++) { 1216 if (array[i].mProc(env) < 0) { 1217#ifndef NDEBUG 1218 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1219#endif 1220 return -1; 1221 } 1222 } 1223 return 0; 1224} 1225 1226static const RegJNIRec gRegJNI[] = { 1227 REG_JNI(register_com_android_internal_os_RuntimeInit), 1228 REG_JNI(register_android_os_SystemClock), 1229 REG_JNI(register_android_util_EventLog), 1230 REG_JNI(register_android_util_Log), 1231 REG_JNI(register_android_content_AssetManager), 1232 REG_JNI(register_android_content_StringBlock), 1233 REG_JNI(register_android_content_XmlBlock), 1234 REG_JNI(register_android_emoji_EmojiFactory), 1235 REG_JNI(register_android_text_AndroidCharacter), 1236 REG_JNI(register_android_text_StaticLayout), 1237 REG_JNI(register_android_text_AndroidBidi), 1238 REG_JNI(register_android_view_InputDevice), 1239 REG_JNI(register_android_view_KeyCharacterMap), 1240 REG_JNI(register_android_os_Process), 1241 REG_JNI(register_android_os_SystemProperties), 1242 REG_JNI(register_android_os_Binder), 1243 REG_JNI(register_android_os_Parcel), 1244 REG_JNI(register_android_nio_utils), 1245 REG_JNI(register_android_graphics_Graphics), 1246 REG_JNI(register_android_view_DisplayEventReceiver), 1247 REG_JNI(register_android_view_RenderNode), 1248 REG_JNI(register_android_view_RenderNodeAnimator), 1249 REG_JNI(register_android_view_GraphicBuffer), 1250 REG_JNI(register_android_view_GLES20Canvas), 1251 REG_JNI(register_android_view_HardwareLayer), 1252 REG_JNI(register_android_view_ThreadedRenderer), 1253 REG_JNI(register_android_view_Surface), 1254 REG_JNI(register_android_view_SurfaceControl), 1255 REG_JNI(register_android_view_SurfaceSession), 1256 REG_JNI(register_android_view_TextureView), 1257 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1258 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1259 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1260 REG_JNI(register_android_opengl_jni_EGL14), 1261 REG_JNI(register_android_opengl_jni_EGLExt), 1262 REG_JNI(register_android_opengl_jni_GLES10), 1263 REG_JNI(register_android_opengl_jni_GLES10Ext), 1264 REG_JNI(register_android_opengl_jni_GLES11), 1265 REG_JNI(register_android_opengl_jni_GLES11Ext), 1266 REG_JNI(register_android_opengl_jni_GLES20), 1267 REG_JNI(register_android_opengl_jni_GLES30), 1268 REG_JNI(register_android_opengl_jni_GLES31), 1269 REG_JNI(register_android_opengl_jni_GLES31Ext), 1270 1271 REG_JNI(register_android_graphics_Bitmap), 1272 REG_JNI(register_android_graphics_BitmapFactory), 1273 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1274 REG_JNI(register_android_graphics_Camera), 1275 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1276 REG_JNI(register_android_graphics_Canvas), 1277 REG_JNI(register_android_graphics_CanvasProperty), 1278 REG_JNI(register_android_graphics_ColorFilter), 1279 REG_JNI(register_android_graphics_DrawFilter), 1280 REG_JNI(register_android_graphics_FontFamily), 1281 REG_JNI(register_android_graphics_Interpolator), 1282 REG_JNI(register_android_graphics_LayerRasterizer), 1283 REG_JNI(register_android_graphics_MaskFilter), 1284 REG_JNI(register_android_graphics_Matrix), 1285 REG_JNI(register_android_graphics_Movie), 1286 REG_JNI(register_android_graphics_NinePatch), 1287 REG_JNI(register_android_graphics_Paint), 1288 REG_JNI(register_android_graphics_Path), 1289 REG_JNI(register_android_graphics_PathMeasure), 1290 REG_JNI(register_android_graphics_PathEffect), 1291 REG_JNI(register_android_graphics_Picture), 1292 REG_JNI(register_android_graphics_PorterDuff), 1293 REG_JNI(register_android_graphics_Rasterizer), 1294 REG_JNI(register_android_graphics_Region), 1295 REG_JNI(register_android_graphics_Shader), 1296 REG_JNI(register_android_graphics_SurfaceTexture), 1297 REG_JNI(register_android_graphics_Typeface), 1298 REG_JNI(register_android_graphics_Xfermode), 1299 REG_JNI(register_android_graphics_YuvImage), 1300 REG_JNI(register_android_graphics_pdf_PdfDocument), 1301 REG_JNI(register_android_graphics_pdf_PdfEditor), 1302 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1303 1304 REG_JNI(register_android_database_CursorWindow), 1305 REG_JNI(register_android_database_SQLiteConnection), 1306 REG_JNI(register_android_database_SQLiteGlobal), 1307 REG_JNI(register_android_database_SQLiteDebug), 1308 REG_JNI(register_android_os_Debug), 1309 REG_JNI(register_android_os_FileObserver), 1310 REG_JNI(register_android_os_MessageQueue), 1311 REG_JNI(register_android_os_SELinux), 1312 REG_JNI(register_android_os_Trace), 1313 REG_JNI(register_android_os_UEventObserver), 1314 REG_JNI(register_android_net_LocalSocketImpl), 1315 REG_JNI(register_android_net_NetworkUtils), 1316 REG_JNI(register_android_net_TrafficStats), 1317 REG_JNI(register_android_os_MemoryFile), 1318 REG_JNI(register_com_android_internal_os_ZygoteInit), 1319 REG_JNI(register_com_android_internal_os_Zygote), 1320 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1321 REG_JNI(register_android_hardware_Camera), 1322 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1323 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1324 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1325 REG_JNI(register_android_hardware_camera2_DngCreator), 1326 REG_JNI(register_android_hardware_SensorManager), 1327 REG_JNI(register_android_hardware_SerialPort), 1328 REG_JNI(register_android_hardware_SoundTrigger), 1329 REG_JNI(register_android_hardware_UsbDevice), 1330 REG_JNI(register_android_hardware_UsbDeviceConnection), 1331 REG_JNI(register_android_hardware_UsbRequest), 1332 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1333 REG_JNI(register_android_media_AudioRecord), 1334 REG_JNI(register_android_media_AudioSystem), 1335 REG_JNI(register_android_media_AudioTrack), 1336 REG_JNI(register_android_media_JetPlayer), 1337 REG_JNI(register_android_media_RemoteDisplay), 1338 REG_JNI(register_android_media_ToneGenerator), 1339 1340 REG_JNI(register_android_opengl_classes), 1341 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1342 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1343 REG_JNI(register_android_backup_BackupDataInput), 1344 REG_JNI(register_android_backup_BackupDataOutput), 1345 REG_JNI(register_android_backup_FileBackupHelperBase), 1346 REG_JNI(register_android_backup_BackupHelperDispatcher), 1347 REG_JNI(register_android_app_backup_FullBackup), 1348 REG_JNI(register_android_app_ActivityThread), 1349 REG_JNI(register_android_app_NativeActivity), 1350 REG_JNI(register_android_view_InputChannel), 1351 REG_JNI(register_android_view_InputEventReceiver), 1352 REG_JNI(register_android_view_InputEventSender), 1353 REG_JNI(register_android_view_InputQueue), 1354 REG_JNI(register_android_view_KeyEvent), 1355 REG_JNI(register_android_view_MotionEvent), 1356 REG_JNI(register_android_view_PointerIcon), 1357 REG_JNI(register_android_view_VelocityTracker), 1358 1359 REG_JNI(register_android_content_res_ObbScanner), 1360 REG_JNI(register_android_content_res_Configuration), 1361 1362 REG_JNI(register_android_animation_PropertyValuesHolder), 1363 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1364 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1365}; 1366 1367/* 1368 * Register android native functions with the VM. 1369 */ 1370/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1371{ 1372 /* 1373 * This hook causes all future threads created in this process to be 1374 * attached to the JavaVM. (This needs to go away in favor of JNI 1375 * Attach calls.) 1376 */ 1377 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1378 1379 ALOGV("--- registering native functions ---\n"); 1380 1381 /* 1382 * Every "register" function calls one or more things that return 1383 * a local reference (e.g. FindClass). Because we haven't really 1384 * started the VM yet, they're all getting stored in the base frame 1385 * and never released. Use Push/Pop to manage the storage. 1386 */ 1387 env->PushLocalFrame(200); 1388 1389 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1390 env->PopLocalFrame(NULL); 1391 return -1; 1392 } 1393 env->PopLocalFrame(NULL); 1394 1395 //createJavaThread("fubar", quickTest, (void*) "hello"); 1396 1397 return 0; 1398} 1399 1400AndroidRuntime* AndroidRuntime::getRuntime() 1401{ 1402 return gCurRuntime; 1403} 1404 1405/** 1406 * Used by WithFramework to register native functions. 1407 */ 1408extern "C" 1409jint Java_com_android_internal_util_WithFramework_registerNatives( 1410 JNIEnv* env, jclass clazz) { 1411 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1412} 1413 1414/** 1415 * Used by LoadClass to register native functions. 1416 */ 1417extern "C" 1418jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1419 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1420} 1421 1422} // namespace android 1423