AndroidRuntime.cpp revision a4fa3b5aa53cf677b623fe346c585cb8a0c1ce26
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 98extern int register_android_util_FloatMath(JNIEnv* env); 99 100namespace android { 101 102/* 103 * JNI-based registration functions. Note these are properly contained in 104 * namespace android. 105 */ 106extern int register_android_content_AssetManager(JNIEnv* env); 107extern int register_android_util_EventLog(JNIEnv* env); 108extern int register_android_util_Log(JNIEnv* env); 109extern int register_android_content_StringBlock(JNIEnv* env); 110extern int register_android_content_XmlBlock(JNIEnv* env); 111extern int register_android_emoji_EmojiFactory(JNIEnv* env); 112extern int register_android_graphics_Canvas(JNIEnv* env); 113extern int register_android_graphics_CanvasProperty(JNIEnv* env); 114extern int register_android_graphics_ColorFilter(JNIEnv* env); 115extern int register_android_graphics_DrawFilter(JNIEnv* env); 116extern int register_android_graphics_FontFamily(JNIEnv* env); 117extern int register_android_graphics_LayerRasterizer(JNIEnv*); 118extern int register_android_graphics_Matrix(JNIEnv* env); 119extern int register_android_graphics_Paint(JNIEnv* env); 120extern int register_android_graphics_Path(JNIEnv* env); 121extern int register_android_graphics_PathMeasure(JNIEnv* env); 122extern int register_android_graphics_Picture(JNIEnv*); 123extern int register_android_graphics_PorterDuff(JNIEnv* env); 124extern int register_android_graphics_Rasterizer(JNIEnv* env); 125extern int register_android_graphics_Region(JNIEnv* env); 126extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 127extern int register_android_graphics_Xfermode(JNIEnv* env); 128extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env); 129extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env); 130extern int register_android_view_DisplayEventReceiver(JNIEnv* env); 131extern int register_android_view_RenderNode(JNIEnv* env); 132extern int register_android_view_RenderNodeAnimator(JNIEnv* env); 133extern int register_android_view_GraphicBuffer(JNIEnv* env); 134extern int register_android_view_GLES20Canvas(JNIEnv* env); 135extern int register_android_view_HardwareLayer(JNIEnv* env); 136extern int register_android_view_ThreadedRenderer(JNIEnv* env); 137extern int register_android_view_Surface(JNIEnv* env); 138extern int register_android_view_SurfaceControl(JNIEnv* env); 139extern int register_android_view_SurfaceSession(JNIEnv* env); 140extern int register_android_view_TextureView(JNIEnv* env); 141extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env); 142extern int register_android_database_CursorWindow(JNIEnv* env); 143extern int register_android_database_SQLiteConnection(JNIEnv* env); 144extern int register_android_database_SQLiteGlobal(JNIEnv* env); 145extern int register_android_database_SQLiteDebug(JNIEnv* env); 146extern int register_android_nio_utils(JNIEnv* env); 147extern int register_android_text_format_Time(JNIEnv* env); 148extern int register_android_os_Debug(JNIEnv* env); 149extern int register_android_os_MessageQueue(JNIEnv* env); 150extern int register_android_os_Parcel(JNIEnv* env); 151extern int register_android_os_SELinux(JNIEnv* env); 152extern int register_android_os_SystemProperties(JNIEnv *env); 153extern int register_android_os_SystemClock(JNIEnv* env); 154extern int register_android_os_Trace(JNIEnv* env); 155extern int register_android_os_FileObserver(JNIEnv *env); 156extern int register_android_os_UEventObserver(JNIEnv* env); 157extern int register_android_os_MemoryFile(JNIEnv* env); 158extern int register_android_net_LocalSocketImpl(JNIEnv* env); 159extern int register_android_net_NetworkUtils(JNIEnv* env); 160extern int register_android_net_TrafficStats(JNIEnv* env); 161extern int register_android_text_AndroidCharacter(JNIEnv *env); 162extern int register_android_text_StaticLayout(JNIEnv *env); 163extern int register_android_text_AndroidBidi(JNIEnv *env); 164extern int register_android_opengl_classes(JNIEnv *env); 165extern int register_android_server_fingerprint_FingerprintService(JNIEnv* env); 166extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env); 167extern int register_android_server_Watchdog(JNIEnv* env); 168extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 169extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 170extern int register_android_backup_BackupDataInput(JNIEnv *env); 171extern int register_android_backup_BackupDataOutput(JNIEnv *env); 172extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 173extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 174extern int register_android_app_backup_FullBackup(JNIEnv *env); 175extern int register_android_app_ActivityThread(JNIEnv *env); 176extern int register_android_app_NativeActivity(JNIEnv *env); 177extern int register_android_media_RemoteDisplay(JNIEnv *env); 178extern int register_android_view_InputChannel(JNIEnv* env); 179extern int register_android_view_InputDevice(JNIEnv* env); 180extern int register_android_view_InputEventReceiver(JNIEnv* env); 181extern int register_android_view_InputEventSender(JNIEnv* env); 182extern int register_android_view_InputQueue(JNIEnv* env); 183extern int register_android_view_KeyCharacterMap(JNIEnv *env); 184extern int register_android_view_KeyEvent(JNIEnv* env); 185extern int register_android_view_MotionEvent(JNIEnv* env); 186extern int register_android_view_PointerIcon(JNIEnv* env); 187extern int register_android_view_VelocityTracker(JNIEnv* env); 188extern int register_android_content_res_ObbScanner(JNIEnv* env); 189extern int register_android_content_res_Configuration(JNIEnv* env); 190extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 191extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 192extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env); 193extern int register_com_android_internal_os_Zygote(JNIEnv *env); 194extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env); 195 196static AndroidRuntime* gCurRuntime = NULL; 197 198static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 199{ 200 if (jniThrowException(env, exc, msg) != 0) 201 assert(false); 202} 203 204/* 205 * Code written in the Java Programming Language calls here from main(). 206 */ 207static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 208{ 209 gCurRuntime->onStarted(); 210} 211 212static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 213{ 214 gCurRuntime->onZygoteInit(); 215} 216 217static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 218 jobject clazz, jboolean exitWithoutCleanup) 219{ 220 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 221} 222 223/* 224 * JNI registration. 225 */ 226static JNINativeMethod gMethods[] = { 227 { "nativeFinishInit", "()V", 228 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 229 { "nativeZygoteInit", "()V", 230 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 231 { "nativeSetExitWithoutCleanup", "(Z)V", 232 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 233}; 234 235int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 236{ 237 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 238 gMethods, NELEM(gMethods)); 239} 240 241// ---------------------------------------------------------------------- 242 243/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 244 245AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) : 246 mExitWithoutCleanup(false), 247 mArgBlockStart(argBlockStart), 248 mArgBlockLength(argBlockLength) 249{ 250 SkGraphics::Init(); 251 // There is also a global font cache, but its budget is specified in code 252 // see SkFontHost_android.cpp 253 254 // Pre-allocate enough space to hold a fair number of options. 255 mOptions.setCapacity(20); 256 257 assert(gCurRuntime == NULL); // one per process 258 gCurRuntime = this; 259} 260 261AndroidRuntime::~AndroidRuntime() 262{ 263 SkGraphics::Term(); 264} 265 266/* 267 * Register native methods using JNI. 268 */ 269/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 270 const char* className, const JNINativeMethod* gMethods, int numMethods) 271{ 272 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 273} 274 275void AndroidRuntime::setArgv0(const char* argv0) { 276 strlcpy(mArgBlockStart, argv0, mArgBlockLength); 277} 278 279status_t AndroidRuntime::callMain(const String8& className, jclass clazz, 280 const Vector<String8>& args) 281{ 282 JNIEnv* env; 283 jmethodID methodId; 284 285 ALOGD("Calling main entry %s", className.string()); 286 287 env = getJNIEnv(); 288 if (clazz == NULL || env == NULL) { 289 return UNKNOWN_ERROR; 290 } 291 292 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 293 if (methodId == NULL) { 294 ALOGE("ERROR: could not find method %s.main(String[])\n", className.string()); 295 return UNKNOWN_ERROR; 296 } 297 298 /* 299 * We want to call main() with a String array with our arguments in it. 300 * Create an array and populate it. 301 */ 302 jclass stringClass; 303 jobjectArray strArray; 304 305 const size_t numArgs = args.size(); 306 stringClass = env->FindClass("java/lang/String"); 307 strArray = env->NewObjectArray(numArgs, stringClass, NULL); 308 309 for (size_t i = 0; i < numArgs; i++) { 310 jstring argStr = env->NewStringUTF(args[i].string()); 311 env->SetObjectArrayElement(strArray, i, argStr); 312 } 313 314 env->CallStaticVoidMethod(clazz, methodId, strArray); 315 return NO_ERROR; 316} 317 318/* 319 * The VM calls this through the "exit" hook. 320 */ 321static void runtime_exit(int code) 322{ 323 gCurRuntime->exit(code); 324} 325 326/* 327 * The VM calls this through the "vfprintf" hook. 328 * 329 * We ignore "fp" and just write the results to the log file. 330 */ 331static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 332{ 333 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 334} 335 336/** 337 * The VM calls this when mutex contention debugging is enabled to 338 * determine whether or not the blocked thread was a "sensitive thread" 339 * for user responsiveness/smoothess. 340 * 341 * Our policy for this is whether or not we're tracing any StrictMode 342 * events on this thread (which we might've inherited via Binder calls 343 * into us) 344 */ 345static bool runtime_isSensitiveThread() { 346 IPCThreadState* state = IPCThreadState::selfOrNull(); 347 return state && state->getStrictModePolicy() != 0; 348} 349 350 351/** 352 * Add VM arguments to the to-be-executed VM 353 * Stops at first non '-' argument (also stops at an argument of '--') 354 * Returns the number of args consumed 355 */ 356int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 357{ 358 int i; 359 360 for (i = 0; i<argc; i++) { 361 if (argv[i][0] != '-') { 362 return i; 363 } 364 if (argv[i][1] == '-' && argv[i][2] == 0) { 365 return i+1; 366 } 367 368 JavaVMOption opt; 369 memset(&opt, 0, sizeof(opt)); 370 opt.optionString = (char*)argv[i]; 371 mOptions.add(opt); 372 } 373 return i; 374} 375 376static int hasDir(const char* dir) 377{ 378 struct stat s; 379 int res = stat(dir, &s); 380 if (res == 0) { 381 return S_ISDIR(s.st_mode); 382 } 383 return 0; 384} 385 386/* 387 * Read the persistent locale. 388 */ 389static void readLocale(char* language, char* region) 390{ 391 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 392 393 property_get("persist.sys.language", propLang, ""); 394 property_get("persist.sys.country", propRegn, ""); 395 if (*propLang == 0 && *propRegn == 0) { 396 /* Set to ro properties, default is en_US */ 397 property_get("ro.product.locale.language", propLang, "en"); 398 property_get("ro.product.locale.region", propRegn, "US"); 399 } 400 strncat(language, propLang, 3); 401 strncat(region, propRegn, 3); 402 //ALOGD("language=%s region=%s\n", language, region); 403} 404 405/* 406 * Parse a property containing space-separated options that should be 407 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 408 * 409 * This will cut up "extraOptsBuf" as we chop it into individual options. 410 * 411 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 412 * 413 * Adds the strings, if any, to mOptions. 414 */ 415void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 416{ 417 JavaVMOption opt; 418 memset(&opt, 0, sizeof(opt)); 419 char* start = extraOptsBuf; 420 char* end = NULL; 421 while (*start != '\0') { 422 while (*start == ' ') /* skip leading whitespace */ 423 start++; 424 if (*start == '\0') /* was trailing ws, bail */ 425 break; 426 427 end = start+1; 428 while (*end != ' ' && *end != '\0') /* find end of token */ 429 end++; 430 if (*end == ' ') 431 *end++ = '\0'; /* mark end, advance to indicate more */ 432 433 opt.optionString = start; 434 if (quotingArg != NULL) { 435 JavaVMOption quotingOpt; 436 quotingOpt.optionString = quotingArg; 437 mOptions.add(quotingOpt); 438 } 439 mOptions.add(opt); 440 start = end; 441 } 442} 443 444/* 445 * Reads a "property" into "buffer" with a default of "defaultArg". If 446 * the property is non-empty, it is treated as a runtime option such 447 * as "-Xmx32m". 448 * 449 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 450 * 451 * If an argument is found, it is added to mOptions. 452 * 453 * If an option is found, it is added to mOptions and true is 454 * returned. Otherwise false is returned. 455 */ 456bool AndroidRuntime::parseRuntimeOption(const char* property, 457 char* buffer, 458 const char* runtimeArg, 459 const char* defaultArg) 460{ 461 strcpy(buffer, runtimeArg); 462 size_t runtimeArgLen = strlen(runtimeArg); 463 property_get(property, buffer+runtimeArgLen, defaultArg); 464 if (buffer[runtimeArgLen] == '\0') { 465 return false; 466 } 467 468 JavaVMOption opt; 469 memset(&opt, 0, sizeof(opt)); 470 471 opt.optionString = buffer; 472 mOptions.add(opt); 473 474 return true; 475} 476 477/* 478 * Reads a "property" into "buffer". If the property is non-empty, it 479 * is treated as a dex2oat compiler runtime option that should be 480 * passed as a quoted option, e.g. "-Ximage-compiler-option 481 * --runtime-arg -Ximage-compiler-option -Xmx32m". 482 * 483 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 484 * 485 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 486 * 487 * If an option is found, it is added to mOptions and true is 488 * returned. Otherwise false is returned. 489 */ 490bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 491 char* buffer, 492 const char* runtimeArg, 493 const char* quotingArg) 494{ 495 strcpy(buffer, runtimeArg); 496 size_t runtimeArgLen = strlen(runtimeArg); 497 property_get(property, buffer+runtimeArgLen, ""); 498 if (buffer[runtimeArgLen] == '\0') { 499 return false; 500 } 501 502 JavaVMOption opt; 503 memset(&opt, 0, sizeof(opt)); 504 505 opt.optionString = quotingArg; 506 mOptions.add(opt); 507 508 opt.optionString = "--runtime-arg"; 509 mOptions.add(opt); 510 511 opt.optionString = quotingArg; 512 mOptions.add(opt); 513 514 opt.optionString = buffer; 515 mOptions.add(opt); 516 517 return true; 518} 519 520/* 521 * Start the Dalvik Virtual Machine. 522 * 523 * Various arguments, most determined by system properties, are passed in. 524 * The "mOptions" vector is updated. 525 * 526 * CAUTION: when adding options in here, be careful not to put the 527 * char buffer inside a nested scope. Adding the buffer to the 528 * options using mOptions.add() does not copy the buffer, so if the 529 * buffer goes out of scope the option may be overwritten. It's best 530 * to put the buffer at the top of the function so that it is more 531 * unlikely that someone will surround it in a scope at a later time 532 * and thus introduce a bug. 533 * 534 * Returns 0 on success. 535 */ 536int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 537{ 538 int result = -1; 539 JavaVMInitArgs initArgs; 540 JavaVMOption opt; 541 char propBuf[PROPERTY_VALUE_MAX]; 542 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 543 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 544 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 545 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 546 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 547 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 548 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 549 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 550 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 551 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 552 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 553 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 554 char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX]; 555 char dalvikVmLibBuf[PROPERTY_VALUE_MAX]; 556 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 557 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 558 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 559 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 560 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 561 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 562 char extraOptsBuf[PROPERTY_VALUE_MAX]; 563 enum { 564 kEMDefault, 565 kEMIntPortable, 566 kEMIntFast, 567 kEMJitCompiler, 568 } executionMode = kEMDefault; 569 char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX]; 570 char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX]; 571 char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX]; 572 char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX]; 573 char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX]; 574 char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 + 575 PROPERTY_VALUE_MAX]; 576 char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX]; 577 char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX]; 578 char langOption[sizeof("-Duser.language=") + 3]; 579 char regionOption[sizeof("-Duser.region=") + 3]; 580 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 581 char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX]; 582 char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX]; 583 584 bool checkJni = false; 585 property_get("dalvik.vm.checkjni", propBuf, ""); 586 if (strcmp(propBuf, "true") == 0) { 587 checkJni = true; 588 } else if (strcmp(propBuf, "false") != 0) { 589 /* property is neither true nor false; fall back on kernel parameter */ 590 property_get("ro.kernel.android.checkjni", propBuf, ""); 591 if (propBuf[0] == '1') { 592 checkJni = true; 593 } 594 } 595 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 596 if (checkJni) { 597 /* extended JNI checking */ 598 opt.optionString = "-Xcheck:jni"; 599 mOptions.add(opt); 600 601 /* set a cap on JNI global references */ 602 opt.optionString = "-Xjnigreflimit:2000"; 603 mOptions.add(opt); 604 605 /* with -Xcheck:jni, this provides a JNI function call trace */ 606 //opt.optionString = "-verbose:jni"; 607 //mOptions.add(opt); 608 } 609 610 property_get("dalvik.vm.execution-mode", propBuf, ""); 611 if (strcmp(propBuf, "int:portable") == 0) { 612 executionMode = kEMIntPortable; 613 } else if (strcmp(propBuf, "int:fast") == 0) { 614 executionMode = kEMIntFast; 615 } else if (strcmp(propBuf, "int:jit") == 0) { 616 executionMode = kEMJitCompiler; 617 } 618 619 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 620 621 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 622 if (strcmp(propBuf, "true") == 0) { 623 /* perform additional DEX checksum tests */ 624 opt.optionString = "-Xcheckdexsum"; 625 mOptions.add(opt); 626 } 627 628 property_get("log.redirect-stdio", propBuf, ""); 629 if (strcmp(propBuf, "true") == 0) { 630 /* convert stdout/stderr to log messages */ 631 opt.optionString = "-Xlog-stdio"; 632 mOptions.add(opt); 633 } 634 635 strcpy(enableAssertBuf, "-ea:"); 636 property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, ""); 637 if (enableAssertBuf[sizeof("-ea:")-1] != '\0') { 638 /* accept "all" to mean "all classes and packages" */ 639 if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0) 640 enableAssertBuf[3] = '\0'; // truncate to "-ea" 641 ALOGI("Assertions enabled: '%s'\n", enableAssertBuf); 642 opt.optionString = enableAssertBuf; 643 mOptions.add(opt); 644 } else { 645 ALOGV("Assertions disabled\n"); 646 } 647 648 strcpy(jniOptsBuf, "-Xjniopts:"); 649 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 650 ALOGI("JNI options: '%s'\n", jniOptsBuf); 651 } 652 653 /* route exit() to our handler */ 654 opt.extraInfo = (void*) runtime_exit; 655 opt.optionString = "exit"; 656 mOptions.add(opt); 657 658 /* route fprintf() to our handler */ 659 opt.extraInfo = (void*) runtime_vfprintf; 660 opt.optionString = "vfprintf"; 661 mOptions.add(opt); 662 663 /* register the framework-specific "is sensitive thread" hook */ 664 opt.extraInfo = (void*) runtime_isSensitiveThread; 665 opt.optionString = "sensitiveThread"; 666 mOptions.add(opt); 667 668 opt.extraInfo = NULL; 669 670 /* enable verbose; standard options are { jni, gc, class } */ 671 //options[curOpt++].optionString = "-verbose:jni"; 672 opt.optionString = "-verbose:gc"; 673 mOptions.add(opt); 674 //options[curOpt++].optionString = "-verbose:class"; 675 676 /* 677 * The default starting and maximum size of the heap. Larger 678 * values should be specified in a product property override. 679 */ 680 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 681 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 682 683 // Increase the main thread's interpreter stack size for bug 6315322. 684 opt.optionString = "-XX:mainThreadStackSize=24K"; 685 mOptions.add(opt); 686 687 // Set the max jit code cache size. Note: size of 0 will disable the JIT. 688 parseRuntimeOption("dalvik.vm.jit.codecachesize", 689 jitcodecachesizeOptsBuf, 690 "-Xjitcodecachesize:"); 691 692 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 693 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 694 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 695 parseRuntimeOption("dalvik.vm.heaptargetutilization", 696 heaptargetutilizationOptsBuf, 697 "-XX:HeapTargetUtilization="); 698 699 property_get("ro.config.low_ram", propBuf, ""); 700 if (strcmp(propBuf, "true") == 0) { 701 opt.optionString = "-XX:LowMemoryMode"; 702 mOptions.add(opt); 703 } 704 705 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 706 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 707 708 /* 709 * Enable or disable dexopt features, such as bytecode verification and 710 * calculation of register maps for precise GC. 711 */ 712 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 713 if (dexoptFlagsBuf[0] != '\0') { 714 const char* opc; 715 const char* val; 716 717 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 718 if (opc != NULL) { 719 switch (*(opc+2)) { 720 case 'n': val = "-Xverify:none"; break; 721 case 'r': val = "-Xverify:remote"; break; 722 case 'a': val = "-Xverify:all"; break; 723 default: val = NULL; break; 724 } 725 726 if (val != NULL) { 727 opt.optionString = val; 728 mOptions.add(opt); 729 } 730 } 731 732 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 733 if (opc != NULL) { 734 switch (*(opc+2)) { 735 case 'n': val = "-Xdexopt:none"; break; 736 case 'v': val = "-Xdexopt:verified"; break; 737 case 'a': val = "-Xdexopt:all"; break; 738 case 'f': val = "-Xdexopt:full"; break; 739 default: val = NULL; break; 740 } 741 742 if (val != NULL) { 743 opt.optionString = val; 744 mOptions.add(opt); 745 } 746 } 747 748 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 749 if (opc != NULL) { 750 opt.optionString = "-Xgenregmap"; 751 mOptions.add(opt); 752 753 /* turn on precise GC while we're at it */ 754 opt.optionString = "-Xgc:precise"; 755 mOptions.add(opt); 756 } 757 } 758 759 /* enable debugging; set suspend=y to pause during VM init */ 760 /* use android ADB transport */ 761 opt.optionString = 762 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 763 mOptions.add(opt); 764 765 parseRuntimeOption("dalvik.vm.lockprof.threshold", 766 lockProfThresholdBuf, 767 "-Xlockprofthreshold:"); 768 769 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 770 parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:"); 771 772 /* Force interpreter-only mode for selected methods */ 773 parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:"); 774 775 if (executionMode == kEMIntPortable) { 776 opt.optionString = "-Xint:portable"; 777 mOptions.add(opt); 778 } else if (executionMode == kEMIntFast) { 779 opt.optionString = "-Xint:fast"; 780 mOptions.add(opt); 781 } else if (executionMode == kEMJitCompiler) { 782 opt.optionString = "-Xint:jit"; 783 mOptions.add(opt); 784 } 785 786 // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart. 787 property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so"); 788 bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0); 789 790 if (libart) { 791 // Extra options for boot.art/boot.oat image generation. 792 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 793 "-Xms", "-Ximage-compiler-option"); 794 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 795 "-Xmx", "-Ximage-compiler-option"); 796 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 797 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 798 799 // Extra options for DexClassLoader. 800 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 801 "-Xms", "-Xcompiler-option"); 802 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 803 "-Xmx", "-Xcompiler-option"); 804 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 805 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 806 } 807 808 /* extra options; parse this late so it overrides others */ 809 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 810 parseExtraOpts(extraOptsBuf, NULL); 811 812 /* Set the properties for locale */ 813 { 814 strcpy(langOption, "-Duser.language="); 815 strcpy(regionOption, "-Duser.region="); 816 readLocale(langOption, regionOption); 817 opt.extraInfo = NULL; 818 opt.optionString = langOption; 819 mOptions.add(opt); 820 opt.optionString = regionOption; 821 mOptions.add(opt); 822 } 823 824 /* 825 * Set profiler options 826 */ 827 if (libart) { 828 // Whether or not the profiler should be enabled. 829 property_get("dalvik.vm.profiler", propBuf, "0"); 830 if (propBuf[0] == '1') { 831 opt.optionString = "-Xenable-profiler"; 832 mOptions.add(opt); 833 } 834 835 // Whether the profile should start upon app startup or be delayed by some random offset 836 // (in seconds) that is bound between 0 and a fixed value. 837 property_get("dalvik.vm.profile.start-immed", propBuf, "0"); 838 if (propBuf[0] == '1') { 839 opt.optionString = "-Xprofile-start-immediately"; 840 mOptions.add(opt); 841 } 842 843 // Number of seconds during profile runs. 844 parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:"); 845 846 // Length of each profile run (seconds). 847 parseRuntimeOption("dalvik.vm.profile.duration-secs", 848 profileDuration, 849 "-Xprofile-duration:"); 850 851 // Polling interval during profile run (microseconds). 852 parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:"); 853 854 // Coefficient for period backoff. The the period is multiplied 855 // by this value after each profile run. 856 parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:"); 857 858 // Top K% of samples that are considered relevant when 859 // deciding if the app should be recompiled. 860 parseRuntimeOption("dalvik.vm.profile.top-k-thr", 861 profileTopKThreshold, 862 "-Xprofile-top-k-threshold:"); 863 864 // The threshold after which a change in the structure of the 865 // top K% profiled samples becomes significant and triggers 866 // recompilation. A change in profile is considered 867 // significant if X% (top-k-change-threshold) of the top K% 868 // (top-k-threshold property) samples has changed. 869 parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr", 870 profileTopKChangeThreshold, 871 "-Xprofile-top-k-change-threshold:"); 872 873 // Type of profile data. 874 parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:"); 875 876 // Depth of bounded stack data 877 parseRuntimeOption("dalvik.vm.profile.max-stack-depth", 878 profileMaxStackDepth, 879 "-Xprofile-max-stack-depth:"); 880 } 881 882 initArgs.version = JNI_VERSION_1_4; 883 initArgs.options = mOptions.editArray(); 884 initArgs.nOptions = mOptions.size(); 885 initArgs.ignoreUnrecognized = JNI_FALSE; 886 887 /* 888 * Initialize the VM. 889 * 890 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 891 * If this call succeeds, the VM is ready, and we can start issuing 892 * JNI calls. 893 */ 894 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 895 ALOGE("JNI_CreateJavaVM failed\n"); 896 goto bail; 897 } 898 899 result = 0; 900 901bail: 902 return result; 903} 904 905char* AndroidRuntime::toSlashClassName(const char* className) 906{ 907 char* result = strdup(className); 908 for (char* cp = result; *cp != '\0'; cp++) { 909 if (*cp == '.') { 910 *cp = '/'; 911 } 912 } 913 return result; 914} 915 916/* 917 * Start the Android runtime. This involves starting the virtual machine 918 * and calling the "static void main(String[] args)" method in the class 919 * named by "className". 920 * 921 * Passes the main function two arguments, the class name and the specified 922 * options string. 923 */ 924void AndroidRuntime::start(const char* className, const Vector<String8>& options) 925{ 926 ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 927 className != NULL ? className : "(unknown)"); 928 929 static const String8 startSystemServer("start-system-server"); 930 931 /* 932 * 'startSystemServer == true' means runtime is obsolete and not run from 933 * init.rc anymore, so we print out the boot start event here. 934 */ 935 for (size_t i = 0; i < options.size(); ++i) { 936 if (options[i] == startSystemServer) { 937 /* track our progress through the boot sequence */ 938 const int LOG_BOOT_PROGRESS_START = 3000; 939 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 940 } 941 } 942 943 const char* rootDir = getenv("ANDROID_ROOT"); 944 if (rootDir == NULL) { 945 rootDir = "/system"; 946 if (!hasDir("/system")) { 947 LOG_FATAL("No root directory specified, and /android does not exist."); 948 return; 949 } 950 setenv("ANDROID_ROOT", rootDir, 1); 951 } 952 953 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 954 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 955 956 /* start the virtual machine */ 957 JniInvocation jni_invocation; 958 jni_invocation.Init(NULL); 959 JNIEnv* env; 960 if (startVm(&mJavaVM, &env) != 0) { 961 return; 962 } 963 onVmCreated(env); 964 965 /* 966 * Register android functions. 967 */ 968 if (startReg(env) < 0) { 969 ALOGE("Unable to register all android natives\n"); 970 return; 971 } 972 973 /* 974 * We want to call main() with a String array with arguments in it. 975 * At present we have two arguments, the class name and an option string. 976 * Create an array to hold them. 977 */ 978 jclass stringClass; 979 jobjectArray strArray; 980 jstring classNameStr; 981 982 stringClass = env->FindClass("java/lang/String"); 983 assert(stringClass != NULL); 984 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 985 assert(strArray != NULL); 986 classNameStr = env->NewStringUTF(className); 987 assert(classNameStr != NULL); 988 env->SetObjectArrayElement(strArray, 0, classNameStr); 989 990 for (size_t i = 0; i < options.size(); ++i) { 991 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 992 assert(optionsStr != NULL); 993 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 994 } 995 996 /* 997 * Start VM. This thread becomes the main thread of the VM, and will 998 * not return until the VM exits. 999 */ 1000 char* slashClassName = toSlashClassName(className); 1001 jclass startClass = env->FindClass(slashClassName); 1002 if (startClass == NULL) { 1003 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1004 /* keep going */ 1005 } else { 1006 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1007 "([Ljava/lang/String;)V"); 1008 if (startMeth == NULL) { 1009 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1010 /* keep going */ 1011 } else { 1012 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1013 1014#if 0 1015 if (env->ExceptionCheck()) 1016 threadExitUncaughtException(env); 1017#endif 1018 } 1019 } 1020 free(slashClassName); 1021 1022 ALOGD("Shutting down VM\n"); 1023 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1024 ALOGW("Warning: unable to detach main thread\n"); 1025 if (mJavaVM->DestroyJavaVM() != 0) 1026 ALOGW("Warning: VM did not shut down cleanly\n"); 1027} 1028 1029void AndroidRuntime::exit(int code) 1030{ 1031 if (mExitWithoutCleanup) { 1032 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1033 ::_exit(code); 1034 } else { 1035 ALOGI("VM exiting with result code %d.", code); 1036 onExit(code); 1037 ::exit(code); 1038 } 1039} 1040 1041void AndroidRuntime::onVmCreated(JNIEnv* env) 1042{ 1043 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1044} 1045 1046/* 1047 * Get the JNIEnv pointer for this thread. 1048 * 1049 * Returns NULL if the slot wasn't allocated or populated. 1050 */ 1051/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1052{ 1053 JNIEnv* env; 1054 JavaVM* vm = AndroidRuntime::getJavaVM(); 1055 assert(vm != NULL); 1056 1057 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1058 return NULL; 1059 return env; 1060} 1061 1062/* 1063 * Makes the current thread visible to the VM. 1064 * 1065 * The JNIEnv pointer returned is only valid for the current thread, and 1066 * thus must be tucked into thread-local storage. 1067 */ 1068static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1069{ 1070 JavaVMAttachArgs args; 1071 JavaVM* vm; 1072 jint result; 1073 1074 vm = AndroidRuntime::getJavaVM(); 1075 assert(vm != NULL); 1076 1077 args.version = JNI_VERSION_1_4; 1078 args.name = (char*) threadName; 1079 args.group = NULL; 1080 1081 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1082 if (result != JNI_OK) 1083 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1084 1085 return result; 1086} 1087 1088/* 1089 * Detach the current thread from the set visible to the VM. 1090 */ 1091static int javaDetachThread(void) 1092{ 1093 JavaVM* vm; 1094 jint result; 1095 1096 vm = AndroidRuntime::getJavaVM(); 1097 assert(vm != NULL); 1098 1099 result = vm->DetachCurrentThread(); 1100 if (result != JNI_OK) 1101 ALOGE("ERROR: thread detach failed\n"); 1102 return result; 1103} 1104 1105/* 1106 * When starting a native thread that will be visible from the VM, we 1107 * bounce through this to get the right attach/detach action. 1108 * Note that this function calls free(args) 1109 */ 1110/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1111 void* start = ((void**)args)[0]; 1112 void* userData = ((void **)args)[1]; 1113 char* name = (char*) ((void **)args)[2]; // we own this storage 1114 free(args); 1115 JNIEnv* env; 1116 int result; 1117 1118 /* hook us into the VM */ 1119 if (javaAttachThread(name, &env) != JNI_OK) 1120 return -1; 1121 1122 /* start the thread running */ 1123 result = (*(android_thread_func_t)start)(userData); 1124 1125 /* unhook us */ 1126 javaDetachThread(); 1127 free(name); 1128 1129 return result; 1130} 1131 1132/* 1133 * This is invoked from androidCreateThreadEtc() via the callback 1134 * set with androidSetCreateThreadFunc(). 1135 * 1136 * We need to create the new thread in such a way that it gets hooked 1137 * into the VM before it really starts executing. 1138 */ 1139/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1140 android_thread_func_t entryFunction, 1141 void* userData, 1142 const char* threadName, 1143 int32_t threadPriority, 1144 size_t threadStackSize, 1145 android_thread_id_t* threadId) 1146{ 1147 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1148 int result; 1149 1150 if (!threadName) 1151 threadName = "unnamed thread"; 1152 1153 args[0] = (void*) entryFunction; 1154 args[1] = userData; 1155 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1156 1157 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1158 threadName, threadPriority, threadStackSize, threadId); 1159 return result; 1160} 1161 1162/* 1163 * Create a thread that is visible from the VM. 1164 * 1165 * This is called from elsewhere in the library. 1166 */ 1167/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1168 void (*start)(void *), void* arg) 1169{ 1170 android_thread_id_t threadId = 0; 1171 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1172 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1173 return threadId; 1174} 1175 1176#if 0 1177static void quickTest(void* arg) 1178{ 1179 const char* str = (const char*) arg; 1180 1181 printf("In quickTest: %s\n", str); 1182} 1183#endif 1184 1185#ifdef NDEBUG 1186 #define REG_JNI(name) { name } 1187 struct RegJNIRec { 1188 int (*mProc)(JNIEnv*); 1189 }; 1190#else 1191 #define REG_JNI(name) { name, #name } 1192 struct RegJNIRec { 1193 int (*mProc)(JNIEnv*); 1194 const char* mName; 1195 }; 1196#endif 1197 1198typedef void (*RegJAMProc)(); 1199 1200static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1201{ 1202 for (size_t i = 0; i < count; i++) { 1203 if (array[i].mProc(env) < 0) { 1204#ifndef NDEBUG 1205 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1206#endif 1207 return -1; 1208 } 1209 } 1210 return 0; 1211} 1212 1213static void register_jam_procs(const RegJAMProc array[], size_t count) 1214{ 1215 for (size_t i = 0; i < count; i++) { 1216 array[i](); 1217 } 1218} 1219 1220static const RegJNIRec gRegJNI[] = { 1221 REG_JNI(register_com_android_internal_os_RuntimeInit), 1222 REG_JNI(register_android_os_SystemClock), 1223 REG_JNI(register_android_util_EventLog), 1224 REG_JNI(register_android_util_Log), 1225 REG_JNI(register_android_util_FloatMath), 1226 REG_JNI(register_android_text_format_Time), 1227 REG_JNI(register_android_content_AssetManager), 1228 REG_JNI(register_android_content_StringBlock), 1229 REG_JNI(register_android_content_XmlBlock), 1230 REG_JNI(register_android_emoji_EmojiFactory), 1231 REG_JNI(register_android_text_AndroidCharacter), 1232 REG_JNI(register_android_text_StaticLayout), 1233 REG_JNI(register_android_text_AndroidBidi), 1234 REG_JNI(register_android_view_InputDevice), 1235 REG_JNI(register_android_view_KeyCharacterMap), 1236 REG_JNI(register_android_os_Process), 1237 REG_JNI(register_android_os_SystemProperties), 1238 REG_JNI(register_android_os_Binder), 1239 REG_JNI(register_android_os_Parcel), 1240 REG_JNI(register_android_nio_utils), 1241 REG_JNI(register_android_graphics_Graphics), 1242 REG_JNI(register_android_view_DisplayEventReceiver), 1243 REG_JNI(register_android_view_RenderNode), 1244 REG_JNI(register_android_view_RenderNodeAnimator), 1245 REG_JNI(register_android_view_GraphicBuffer), 1246 REG_JNI(register_android_view_GLES20Canvas), 1247 REG_JNI(register_android_view_HardwareLayer), 1248 REG_JNI(register_android_view_ThreadedRenderer), 1249 REG_JNI(register_android_view_Surface), 1250 REG_JNI(register_android_view_SurfaceControl), 1251 REG_JNI(register_android_view_SurfaceSession), 1252 REG_JNI(register_android_view_TextureView), 1253 REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper), 1254 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1255 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1256 REG_JNI(register_android_opengl_jni_EGL14), 1257 REG_JNI(register_android_opengl_jni_EGLExt), 1258 REG_JNI(register_android_opengl_jni_GLES10), 1259 REG_JNI(register_android_opengl_jni_GLES10Ext), 1260 REG_JNI(register_android_opengl_jni_GLES11), 1261 REG_JNI(register_android_opengl_jni_GLES11Ext), 1262 REG_JNI(register_android_opengl_jni_GLES20), 1263 REG_JNI(register_android_opengl_jni_GLES30), 1264 REG_JNI(register_android_opengl_jni_GLES31), 1265 REG_JNI(register_android_opengl_jni_GLES31Ext), 1266 1267 REG_JNI(register_android_graphics_Bitmap), 1268 REG_JNI(register_android_graphics_BitmapFactory), 1269 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1270 REG_JNI(register_android_graphics_Camera), 1271 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor), 1272 REG_JNI(register_android_graphics_Canvas), 1273 REG_JNI(register_android_graphics_CanvasProperty), 1274 REG_JNI(register_android_graphics_ColorFilter), 1275 REG_JNI(register_android_graphics_DrawFilter), 1276 REG_JNI(register_android_graphics_FontFamily), 1277 REG_JNI(register_android_graphics_Interpolator), 1278 REG_JNI(register_android_graphics_LayerRasterizer), 1279 REG_JNI(register_android_graphics_MaskFilter), 1280 REG_JNI(register_android_graphics_Matrix), 1281 REG_JNI(register_android_graphics_Movie), 1282 REG_JNI(register_android_graphics_NinePatch), 1283 REG_JNI(register_android_graphics_Paint), 1284 REG_JNI(register_android_graphics_Path), 1285 REG_JNI(register_android_graphics_PathMeasure), 1286 REG_JNI(register_android_graphics_PathEffect), 1287 REG_JNI(register_android_graphics_Picture), 1288 REG_JNI(register_android_graphics_PorterDuff), 1289 REG_JNI(register_android_graphics_Rasterizer), 1290 REG_JNI(register_android_graphics_Region), 1291 REG_JNI(register_android_graphics_Shader), 1292 REG_JNI(register_android_graphics_SurfaceTexture), 1293 REG_JNI(register_android_graphics_Typeface), 1294 REG_JNI(register_android_graphics_Xfermode), 1295 REG_JNI(register_android_graphics_YuvImage), 1296 REG_JNI(register_android_graphics_pdf_PdfDocument), 1297 REG_JNI(register_android_graphics_pdf_PdfRenderer), 1298 1299 REG_JNI(register_android_database_CursorWindow), 1300 REG_JNI(register_android_database_SQLiteConnection), 1301 REG_JNI(register_android_database_SQLiteGlobal), 1302 REG_JNI(register_android_database_SQLiteDebug), 1303 REG_JNI(register_android_os_Debug), 1304 REG_JNI(register_android_os_FileObserver), 1305 REG_JNI(register_android_os_MessageQueue), 1306 REG_JNI(register_android_os_SELinux), 1307 REG_JNI(register_android_os_Trace), 1308 REG_JNI(register_android_os_UEventObserver), 1309 REG_JNI(register_android_net_LocalSocketImpl), 1310 REG_JNI(register_android_net_NetworkUtils), 1311 REG_JNI(register_android_net_TrafficStats), 1312 REG_JNI(register_android_os_MemoryFile), 1313 REG_JNI(register_com_android_internal_os_ZygoteInit), 1314 REG_JNI(register_com_android_internal_os_Zygote), 1315 REG_JNI(register_com_android_internal_util_VirtualRefBasePtr), 1316 REG_JNI(register_android_hardware_Camera), 1317 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1318 REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice), 1319 REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement), 1320 REG_JNI(register_android_hardware_camera2_DngCreator), 1321 REG_JNI(register_android_hardware_SensorManager), 1322 REG_JNI(register_android_hardware_SerialPort), 1323 REG_JNI(register_android_hardware_SoundTrigger), 1324 REG_JNI(register_android_hardware_UsbDevice), 1325 REG_JNI(register_android_hardware_UsbDeviceConnection), 1326 REG_JNI(register_android_hardware_UsbRequest), 1327 REG_JNI(register_android_hardware_location_ActivityRecognitionHardware), 1328 REG_JNI(register_android_media_AudioRecord), 1329 REG_JNI(register_android_media_AudioSystem), 1330 REG_JNI(register_android_media_AudioTrack), 1331 REG_JNI(register_android_media_JetPlayer), 1332 REG_JNI(register_android_media_RemoteDisplay), 1333 REG_JNI(register_android_media_ToneGenerator), 1334 1335 REG_JNI(register_android_opengl_classes), 1336 REG_JNI(register_android_server_fingerprint_FingerprintService), 1337 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1338 REG_JNI(register_android_server_Watchdog), 1339 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1340 REG_JNI(register_android_backup_BackupDataInput), 1341 REG_JNI(register_android_backup_BackupDataOutput), 1342 REG_JNI(register_android_backup_FileBackupHelperBase), 1343 REG_JNI(register_android_backup_BackupHelperDispatcher), 1344 REG_JNI(register_android_app_backup_FullBackup), 1345 REG_JNI(register_android_app_ActivityThread), 1346 REG_JNI(register_android_app_NativeActivity), 1347 REG_JNI(register_android_view_InputChannel), 1348 REG_JNI(register_android_view_InputEventReceiver), 1349 REG_JNI(register_android_view_InputEventSender), 1350 REG_JNI(register_android_view_InputQueue), 1351 REG_JNI(register_android_view_KeyEvent), 1352 REG_JNI(register_android_view_MotionEvent), 1353 REG_JNI(register_android_view_PointerIcon), 1354 REG_JNI(register_android_view_VelocityTracker), 1355 1356 REG_JNI(register_android_content_res_ObbScanner), 1357 REG_JNI(register_android_content_res_Configuration), 1358 1359 REG_JNI(register_android_animation_PropertyValuesHolder), 1360 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1361 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1362}; 1363 1364/* 1365 * Register android native functions with the VM. 1366 */ 1367/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1368{ 1369 /* 1370 * This hook causes all future threads created in this process to be 1371 * attached to the JavaVM. (This needs to go away in favor of JNI 1372 * Attach calls.) 1373 */ 1374 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1375 1376 ALOGV("--- registering native functions ---\n"); 1377 1378 /* 1379 * Every "register" function calls one or more things that return 1380 * a local reference (e.g. FindClass). Because we haven't really 1381 * started the VM yet, they're all getting stored in the base frame 1382 * and never released. Use Push/Pop to manage the storage. 1383 */ 1384 env->PushLocalFrame(200); 1385 1386 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1387 env->PopLocalFrame(NULL); 1388 return -1; 1389 } 1390 env->PopLocalFrame(NULL); 1391 1392 //createJavaThread("fubar", quickTest, (void*) "hello"); 1393 1394 return 0; 1395} 1396 1397AndroidRuntime* AndroidRuntime::getRuntime() 1398{ 1399 return gCurRuntime; 1400} 1401 1402/** 1403 * Used by WithFramework to register native functions. 1404 */ 1405extern "C" 1406jint Java_com_android_internal_util_WithFramework_registerNatives( 1407 JNIEnv* env, jclass clazz) { 1408 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1409} 1410 1411/** 1412 * Used by LoadClass to register native functions. 1413 */ 1414extern "C" 1415jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1416 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1417} 1418 1419} // namespace android 1420