AndroidRuntime.cpp revision 2d3571cc17a5a6b1072951227d889ce14a3f88cf
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#include <SkImageRef_GlobalPool.h> 33 34#include "jni.h" 35#include "JNIHelp.h" 36#include "JniInvocation.h" 37#include "android_util_Binder.h" 38 39#include <stdio.h> 40#include <signal.h> 41#include <sys/stat.h> 42#include <sys/types.h> 43#include <signal.h> 44#include <dirent.h> 45#include <assert.h> 46 47 48using namespace android; 49 50extern int register_android_os_Binder(JNIEnv* env); 51extern int register_android_os_Process(JNIEnv* env); 52extern int register_android_graphics_Bitmap(JNIEnv*); 53extern int register_android_graphics_BitmapFactory(JNIEnv*); 54extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*); 55extern int register_android_graphics_Camera(JNIEnv* env); 56extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env); 57extern int register_android_graphics_Graphics(JNIEnv* env); 58extern int register_android_graphics_Interpolator(JNIEnv* env); 59extern int register_android_graphics_LayerRasterizer(JNIEnv*); 60extern int register_android_graphics_MaskFilter(JNIEnv* env); 61extern int register_android_graphics_Movie(JNIEnv* env); 62extern int register_android_graphics_NinePatch(JNIEnv*); 63extern int register_android_graphics_PathEffect(JNIEnv* env); 64extern int register_android_graphics_Shader(JNIEnv* env); 65extern int register_android_graphics_Typeface(JNIEnv* env); 66extern int register_android_graphics_YuvImage(JNIEnv* env); 67 68extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 69extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 70extern int register_android_opengl_jni_EGL14(JNIEnv* env); 71extern int register_android_opengl_jni_EGLExt(JNIEnv* env); 72extern int register_android_opengl_jni_GLES10(JNIEnv* env); 73extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 74extern int register_android_opengl_jni_GLES11(JNIEnv* env); 75extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 76extern int register_android_opengl_jni_GLES20(JNIEnv* env); 77extern int register_android_opengl_jni_GLES30(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_SensorManager(JNIEnv *env); 82extern int register_android_hardware_SerialPort(JNIEnv *env); 83extern int register_android_hardware_UsbDevice(JNIEnv *env); 84extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env); 85extern int register_android_hardware_UsbRequest(JNIEnv *env); 86 87extern int register_android_media_AudioRecord(JNIEnv *env); 88extern int register_android_media_AudioSystem(JNIEnv *env); 89extern int register_android_media_AudioTrack(JNIEnv *env); 90extern int register_android_media_JetPlayer(JNIEnv *env); 91extern int register_android_media_ToneGenerator(JNIEnv *env); 92 93extern int register_android_util_FloatMath(JNIEnv* env); 94 95namespace android { 96 97/* 98 * JNI-based registration functions. Note these are properly contained in 99 * namespace android. 100 */ 101extern int register_android_content_AssetManager(JNIEnv* env); 102extern int register_android_util_EventLog(JNIEnv* env); 103extern int register_android_util_Log(JNIEnv* env); 104extern int register_android_content_StringBlock(JNIEnv* env); 105extern int register_android_content_XmlBlock(JNIEnv* env); 106extern int register_android_emoji_EmojiFactory(JNIEnv* env); 107extern int register_android_graphics_Canvas(JNIEnv* env); 108extern int register_android_graphics_ColorFilter(JNIEnv* env); 109extern int register_android_graphics_DrawFilter(JNIEnv* env); 110extern int register_android_graphics_Matrix(JNIEnv* env); 111extern int register_android_graphics_Paint(JNIEnv* env); 112extern int register_android_graphics_Path(JNIEnv* env); 113extern int register_android_graphics_PathMeasure(JNIEnv* env); 114extern int register_android_graphics_Picture(JNIEnv*); 115extern int register_android_graphics_PorterDuff(JNIEnv* env); 116extern int register_android_graphics_Rasterizer(JNIEnv* env); 117extern int register_android_graphics_Region(JNIEnv* env); 118extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 119extern int register_android_graphics_Xfermode(JNIEnv* env); 120extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env); 121extern int register_android_view_DisplayEventReceiver(JNIEnv* env); 122extern int register_android_view_GraphicBuffer(JNIEnv* env); 123extern int register_android_view_GLES20DisplayList(JNIEnv* env); 124extern int register_android_view_GLES20Canvas(JNIEnv* env); 125extern int register_android_view_HardwareRenderer(JNIEnv* env); 126extern int register_android_view_Surface(JNIEnv* env); 127extern int register_android_view_SurfaceControl(JNIEnv* env); 128extern int register_android_view_SurfaceSession(JNIEnv* env); 129extern int register_android_view_TextureView(JNIEnv* env); 130extern int register_android_database_CursorWindow(JNIEnv* env); 131extern int register_android_database_SQLiteConnection(JNIEnv* env); 132extern int register_android_database_SQLiteGlobal(JNIEnv* env); 133extern int register_android_database_SQLiteDebug(JNIEnv* env); 134extern int register_android_nio_utils(JNIEnv* env); 135extern int register_android_os_Debug(JNIEnv* env); 136extern int register_android_os_MessageQueue(JNIEnv* env); 137extern int register_android_os_Parcel(JNIEnv* env); 138extern int register_android_os_SELinux(JNIEnv* env); 139extern int register_android_os_SystemProperties(JNIEnv *env); 140extern int register_android_os_SystemClock(JNIEnv* env); 141extern int register_android_os_Trace(JNIEnv* env); 142extern int register_android_os_FileObserver(JNIEnv *env); 143extern int register_android_os_UEventObserver(JNIEnv* env); 144extern int register_android_os_MemoryFile(JNIEnv* env); 145extern int register_android_net_LocalSocketImpl(JNIEnv* env); 146extern int register_android_net_NetworkUtils(JNIEnv* env); 147extern int register_android_net_TrafficStats(JNIEnv* env); 148extern int register_android_net_wifi_WifiNative(JNIEnv* env); 149extern int register_android_text_AndroidCharacter(JNIEnv *env); 150extern int register_android_text_AndroidBidi(JNIEnv *env); 151extern int register_android_opengl_classes(JNIEnv *env); 152extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env); 153extern int register_android_server_Watchdog(JNIEnv* env); 154extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 155extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 156extern int register_android_backup_BackupDataInput(JNIEnv *env); 157extern int register_android_backup_BackupDataOutput(JNIEnv *env); 158extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 159extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 160extern int register_android_app_backup_FullBackup(JNIEnv *env); 161extern int register_android_app_ActivityThread(JNIEnv *env); 162extern int register_android_app_NativeActivity(JNIEnv *env); 163extern int register_android_media_RemoteDisplay(JNIEnv *env); 164extern int register_android_view_InputChannel(JNIEnv* env); 165extern int register_android_view_InputDevice(JNIEnv* env); 166extern int register_android_view_InputEventReceiver(JNIEnv* env); 167extern int register_android_view_InputEventSender(JNIEnv* env); 168extern int register_android_view_InputQueue(JNIEnv* env); 169extern int register_android_view_KeyCharacterMap(JNIEnv *env); 170extern int register_android_view_KeyEvent(JNIEnv* env); 171extern int register_android_view_MotionEvent(JNIEnv* env); 172extern int register_android_view_PointerIcon(JNIEnv* env); 173extern int register_android_view_VelocityTracker(JNIEnv* env); 174extern int register_android_content_res_ObbScanner(JNIEnv* env); 175extern int register_android_content_res_Configuration(JNIEnv* env); 176extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 177extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 178extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env); 179extern int register_com_android_internal_os_Zygote(JNIEnv *env); 180 181static AndroidRuntime* gCurRuntime = NULL; 182 183static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 184{ 185 if (jniThrowException(env, exc, msg) != 0) 186 assert(false); 187} 188 189/* 190 * Code written in the Java Programming Language calls here from main(). 191 */ 192static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 193{ 194 gCurRuntime->onStarted(); 195} 196 197static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 198{ 199 gCurRuntime->onZygoteInit(); 200} 201 202static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 203 jobject clazz, jboolean exitWithoutCleanup) 204{ 205 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 206} 207 208/* 209 * JNI registration. 210 */ 211static JNINativeMethod gMethods[] = { 212 { "nativeFinishInit", "()V", 213 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 214 { "nativeZygoteInit", "()V", 215 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 216 { "nativeSetExitWithoutCleanup", "(Z)V", 217 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 218}; 219 220int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 221{ 222 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 223 gMethods, NELEM(gMethods)); 224} 225 226// ---------------------------------------------------------------------- 227 228/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 229 230AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) : 231 mExitWithoutCleanup(false), 232 mArgBlockStart(argBlockStart), 233 mArgBlockLength(argBlockLength) 234{ 235 SkGraphics::Init(); 236 // this sets our preference for 16bit images during decode 237 // in case the src is opaque and 24bit 238 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 239 // This cache is shared between browser native images, and java "purgeable" 240 // bitmaps. This globalpool is for images that do not either use the java 241 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 242 // java call site. 243 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 244 // There is also a global font cache, but its budget is specified in code 245 // see SkFontHost_android.cpp 246 247 // Pre-allocate enough space to hold a fair number of options. 248 mOptions.setCapacity(20); 249 250 assert(gCurRuntime == NULL); // one per process 251 gCurRuntime = this; 252} 253 254AndroidRuntime::~AndroidRuntime() 255{ 256 SkGraphics::Term(); 257} 258 259/* 260 * Register native methods using JNI. 261 */ 262/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 263 const char* className, const JNINativeMethod* gMethods, int numMethods) 264{ 265 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 266} 267 268void AndroidRuntime::setArgv0(const char* argv0) { 269 strlcpy(mArgBlockStart, argv0, mArgBlockLength); 270} 271 272status_t AndroidRuntime::callMain(const String8& className, jclass clazz, 273 const Vector<String8>& args) 274{ 275 JNIEnv* env; 276 jmethodID methodId; 277 278 ALOGD("Calling main entry %s", className.string()); 279 280 env = getJNIEnv(); 281 if (clazz == NULL || env == NULL) { 282 return UNKNOWN_ERROR; 283 } 284 285 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 286 if (methodId == NULL) { 287 ALOGE("ERROR: could not find method %s.main(String[])\n", className.string()); 288 return UNKNOWN_ERROR; 289 } 290 291 /* 292 * We want to call main() with a String array with our arguments in it. 293 * Create an array and populate it. 294 */ 295 jclass stringClass; 296 jobjectArray strArray; 297 298 const size_t numArgs = args.size(); 299 stringClass = env->FindClass("java/lang/String"); 300 strArray = env->NewObjectArray(numArgs, stringClass, NULL); 301 302 for (size_t i = 0; i < numArgs; i++) { 303 jstring argStr = env->NewStringUTF(args[i].string()); 304 env->SetObjectArrayElement(strArray, i, argStr); 305 } 306 307 env->CallStaticVoidMethod(clazz, methodId, strArray); 308 return NO_ERROR; 309} 310 311/* 312 * The VM calls this through the "exit" hook. 313 */ 314static void runtime_exit(int code) 315{ 316 gCurRuntime->exit(code); 317} 318 319/* 320 * The VM calls this through the "vfprintf" hook. 321 * 322 * We ignore "fp" and just write the results to the log file. 323 */ 324static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 325{ 326 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 327} 328 329/** 330 * The VM calls this when mutex contention debugging is enabled to 331 * determine whether or not the blocked thread was a "sensitive thread" 332 * for user responsiveness/smoothess. 333 * 334 * Our policy for this is whether or not we're tracing any StrictMode 335 * events on this thread (which we might've inherited via Binder calls 336 * into us) 337 */ 338static bool runtime_isSensitiveThread() { 339 IPCThreadState* state = IPCThreadState::selfOrNull(); 340 return state && state->getStrictModePolicy() != 0; 341} 342 343 344/** 345 * Add VM arguments to the to-be-executed VM 346 * Stops at first non '-' argument (also stops at an argument of '--') 347 * Returns the number of args consumed 348 */ 349int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 350{ 351 int i; 352 353 for (i = 0; i<argc; i++) { 354 if (argv[i][0] != '-') { 355 return i; 356 } 357 if (argv[i][1] == '-' && argv[i][2] == 0) { 358 return i+1; 359 } 360 addOption(argv[i]); 361 } 362 return i; 363} 364 365static int hasDir(const char* dir) 366{ 367 struct stat s; 368 int res = stat(dir, &s); 369 if (res == 0) { 370 return S_ISDIR(s.st_mode); 371 } 372 return 0; 373} 374 375/* 376 * Read the persistent locale. 377 */ 378static void readLocale(char* language, char* region) 379{ 380 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 381 382 property_get("persist.sys.language", propLang, ""); 383 property_get("persist.sys.country", propRegn, ""); 384 if (*propLang == 0 && *propRegn == 0) { 385 /* Set to ro properties, default is en_US */ 386 property_get("ro.product.locale.language", propLang, "en"); 387 property_get("ro.product.locale.region", propRegn, "US"); 388 } 389 strncat(language, propLang, 3); 390 strncat(region, propRegn, 3); 391 //ALOGD("language=%s region=%s\n", language, region); 392} 393 394void AndroidRuntime::addOption(const char* optionString, void* extraInfo) 395{ 396 JavaVMOption opt; 397 opt.optionString = optionString; 398 opt.extraInfo = extraInfo; 399 mOptions.add(opt); 400} 401 402/* 403 * Parse a property containing space-separated options that should be 404 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 405 * 406 * This will cut up "extraOptsBuf" as we chop it into individual options. 407 * 408 * If "quotingArg" is non-null, it is passed before each extra option in mOptions. 409 * 410 * Adds the strings, if any, to mOptions. 411 */ 412void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg) 413{ 414 char* start = extraOptsBuf; 415 char* end = NULL; 416 while (*start != '\0') { 417 while (*start == ' ') /* skip leading whitespace */ 418 start++; 419 if (*start == '\0') /* was trailing ws, bail */ 420 break; 421 422 end = start+1; 423 while (*end != ' ' && *end != '\0') /* find end of token */ 424 end++; 425 if (*end == ' ') 426 *end++ = '\0'; /* mark end, advance to indicate more */ 427 428 if (quotingArg != NULL) { 429 addOption(quotingArg); 430 } 431 addOption(start); 432 start = end; 433 } 434} 435 436/* 437 * Reads a "property" into "buffer" with a default of "defaultArg". If 438 * the property is non-empty, it is treated as a runtime option such 439 * as "-Xmx32m". 440 * 441 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 442 * 443 * If an argument is found, it is added to mOptions. 444 * 445 * If an option is found, it is added to mOptions and true is 446 * returned. Otherwise false is returned. 447 */ 448bool AndroidRuntime::parseRuntimeOption(const char* property, 449 char* buffer, 450 const char* runtimeArg, 451 const char* defaultArg) 452{ 453 strcpy(buffer, runtimeArg); 454 size_t runtimeArgLen = strlen(runtimeArg); 455 property_get(property, buffer+runtimeArgLen, defaultArg); 456 if (buffer[runtimeArgLen] == '\0') { 457 return false; 458 } 459 addOption(buffer); 460 return true; 461} 462 463/* 464 * Reads a "property" into "buffer". If the property is non-empty, it 465 * is treated as a dex2oat compiler option that should be 466 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none". 467 * 468 * The "compilerArg" is a prefix for the option such as "--compiler-filter=". 469 * 470 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 471 * 472 * If an option is found, it is added to mOptions and true is 473 * returned. Otherwise false is returned. 474 */ 475bool AndroidRuntime::parseCompilerOption(const char* property, 476 char* buffer, 477 const char* compilerArg, 478 const char* quotingArg) 479{ 480 strcpy(buffer, compilerArg); 481 size_t compilerArgLen = strlen(compilerArg); 482 property_get(property, buffer+compilerArgLen, ""); 483 if (buffer[compilerArgLen] == '\0') { 484 return false; 485 } 486 addOption(quotingArg); 487 addOption(buffer); 488 return true; 489} 490 491/* 492 * Reads a "property" into "buffer". If the property is non-empty, it 493 * is treated as a dex2oat compiler runtime option that should be 494 * passed as a quoted option, e.g. "-Ximage-compiler-option 495 * --runtime-arg -Ximage-compiler-option -Xmx32m". 496 * 497 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx". 498 * 499 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option". 500 * 501 * If an option is found, it is added to mOptions and true is 502 * returned. Otherwise false is returned. 503 */ 504bool AndroidRuntime::parseCompilerRuntimeOption(const char* property, 505 char* buffer, 506 const char* runtimeArg, 507 const char* quotingArg) 508{ 509 strcpy(buffer, runtimeArg); 510 size_t runtimeArgLen = strlen(runtimeArg); 511 property_get(property, buffer+runtimeArgLen, ""); 512 if (buffer[runtimeArgLen] == '\0') { 513 return false; 514 } 515 addOption(quotingArg); 516 addOption("--runtime-arg"); 517 addOption(quotingArg); 518 addOption(buffer); 519 return true; 520} 521 522/* 523 * Start the Dalvik Virtual Machine. 524 * 525 * Various arguments, most determined by system properties, are passed in. 526 * The "mOptions" vector is updated. 527 * 528 * CAUTION: when adding options in here, be careful not to put the 529 * char buffer inside a nested scope. Adding the buffer to the 530 * options using mOptions.add() does not copy the buffer, so if the 531 * buffer goes out of scope the option may be overwritten. It's best 532 * to put the buffer at the top of the function so that it is more 533 * unlikely that someone will surround it in a scope at a later time 534 * and thus introduce a bug. 535 * 536 * Returns 0 on success. 537 */ 538int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 539{ 540 int result = -1; 541 JavaVMInitArgs initArgs; 542 char propBuf[PROPERTY_VALUE_MAX]; 543 char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX]; 544 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 545 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 546 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 547 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 548 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 549 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 550 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 551 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 552 char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX]; 553 char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX]; 554 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 555 char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX]; 556 char dalvikVmLibBuf[PROPERTY_VALUE_MAX]; 557 char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 558 char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 559 char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 560 char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 561 char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 562 char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX]; 563 char dex2oatFlagsBuf[PROPERTY_VALUE_MAX]; 564 char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX]; 565 char extraOptsBuf[PROPERTY_VALUE_MAX]; 566 char voldDecryptBuf[PROPERTY_VALUE_MAX]; 567 enum { 568 kEMDefault, 569 kEMIntPortable, 570 kEMIntFast, 571 kEMJitCompiler, 572 } executionMode = kEMDefault; 573 char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX]; 574 char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX]; 575 char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX]; 576 char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX]; 577 char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX]; 578 char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 + 579 PROPERTY_VALUE_MAX]; 580 char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX]; 581 char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX]; 582 char langOption[sizeof("-Duser.language=") + 3]; 583 char regionOption[sizeof("-Duser.region=") + 3]; 584 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX]; 585 char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX]; 586 char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX]; 587 char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX]; 588 589 bool checkJni = false; 590 property_get("dalvik.vm.checkjni", propBuf, ""); 591 if (strcmp(propBuf, "true") == 0) { 592 checkJni = true; 593 } else if (strcmp(propBuf, "false") != 0) { 594 /* property is neither true nor false; fall back on kernel parameter */ 595 property_get("ro.kernel.android.checkjni", propBuf, ""); 596 if (propBuf[0] == '1') { 597 checkJni = true; 598 } 599 } 600 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 601 if (checkJni) { 602 /* extended JNI checking */ 603 addOption("-Xcheck:jni"); 604 605 /* set a cap on JNI global references */ 606 addOption("-Xjnigreflimit:2000"); 607 608 /* with -Xcheck:jni, this provides a JNI function call trace */ 609 //addOption("-verbose:jni"); 610 } 611 612 property_get("dalvik.vm.execution-mode", propBuf, ""); 613 if (strcmp(propBuf, "int:portable") == 0) { 614 executionMode = kEMIntPortable; 615 } else if (strcmp(propBuf, "int:fast") == 0) { 616 executionMode = kEMIntFast; 617 } else if (strcmp(propBuf, "int:jit") == 0) { 618 executionMode = kEMJitCompiler; 619 } 620 621 parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:"); 622 623 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 624 if (strcmp(propBuf, "true") == 0) { 625 /* perform additional DEX checksum tests */ 626 addOption("-Xcheckdexsum"); 627 } 628 629 property_get("log.redirect-stdio", propBuf, ""); 630 if (strcmp(propBuf, "true") == 0) { 631 /* convert stdout/stderr to log messages */ 632 addOption("-Xlog-stdio"); 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 addOption(enableAssertBuf); 643 } else { 644 ALOGV("Assertions disabled\n"); 645 } 646 647 strcpy(jniOptsBuf, "-Xjniopts:"); 648 if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) { 649 ALOGI("JNI options: '%s'\n", jniOptsBuf); 650 } 651 652 /* route exit() to our handler */ 653 addOption("exit", (void*) runtime_exit); 654 655 /* route fprintf() to our handler */ 656 addOption("vfprintf", (void*) runtime_vfprintf); 657 658 /* register the framework-specific "is sensitive thread" hook */ 659 addOption("sensitiveThread", (void*) runtime_isSensitiveThread); 660 661 /* enable verbose; standard options are { jni, gc, class } */ 662 //addOption("-verbose:jni"); 663 addOption("-verbose:gc"); 664 //addOption("-verbose:class"); 665 666 /* 667 * The default starting and maximum size of the heap. Larger 668 * values should be specified in a product property override. 669 */ 670 parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m"); 671 parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m"); 672 673 // Increase the main thread's interpreter stack size for bug 6315322. 674 addOption("-XX:mainThreadStackSize=24K"); 675 676 // Set the max jit code cache size. Note: size of 0 will disable the JIT. 677 parseRuntimeOption("dalvik.vm.jit.codecachesize", 678 jitcodecachesizeOptsBuf, 679 "-Xjitcodecachesize:"); 680 681 parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 682 parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree="); 683 parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 684 parseRuntimeOption("dalvik.vm.heaptargetutilization", 685 heaptargetutilizationOptsBuf, 686 "-XX:HeapTargetUtilization="); 687 688 property_get("ro.config.low_ram", propBuf, ""); 689 if (strcmp(propBuf, "true") == 0) { 690 addOption("-XX:LowMemoryMode"); 691 } 692 693 parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:"); 694 parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC="); 695 696 /* 697 * Enable or disable dexopt features, such as bytecode verification and 698 * calculation of register maps for precise GC. 699 */ 700 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 701 if (dexoptFlagsBuf[0] != '\0') { 702 const char* opc; 703 const char* val; 704 705 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 706 if (opc != NULL) { 707 switch (*(opc+2)) { 708 case 'n': val = "-Xverify:none"; break; 709 case 'r': val = "-Xverify:remote"; break; 710 case 'a': val = "-Xverify:all"; break; 711 default: val = NULL; break; 712 } 713 714 if (val != NULL) { 715 addOption(val); 716 } 717 } 718 719 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 720 if (opc != NULL) { 721 switch (*(opc+2)) { 722 case 'n': val = "-Xdexopt:none"; break; 723 case 'v': val = "-Xdexopt:verified"; break; 724 case 'a': val = "-Xdexopt:all"; break; 725 case 'f': val = "-Xdexopt:full"; break; 726 default: val = NULL; break; 727 } 728 729 if (val != NULL) { 730 addOption(val); 731 } 732 } 733 734 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 735 if (opc != NULL) { 736 addOption("-Xgenregmap"); 737 738 /* turn on precise GC while we're at it */ 739 addOption("-Xgc:precise"); 740 } 741 } 742 743 /* enable debugging; set suspend=y to pause during VM init */ 744 /* use android ADB transport */ 745 addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"); 746 747 parseRuntimeOption("dalvik.vm.lockprof.threshold", 748 lockProfThresholdBuf, 749 "-Xlockprofthreshold:"); 750 751 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 752 parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:"); 753 754 /* Force interpreter-only mode for selected methods */ 755 parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:"); 756 757 if (executionMode == kEMIntPortable) { 758 addOption("-Xint:portable"); 759 } else if (executionMode == kEMIntFast) { 760 addOption("-Xint:fast"); 761 } else if (executionMode == kEMJitCompiler) { 762 addOption("-Xint:jit"); 763 } 764 765 // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart. 766 property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so"); 767 bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0); 768 769 if (libart) { 770 // If we booting without the real /data, don't spend time compiling. 771 property_get("vold.decrypt", voldDecryptBuf, ""); 772 bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) || 773 (strcmp(voldDecryptBuf, "1") == 0)); 774 775 // Extra options for boot.art/boot.oat image generation. 776 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf, 777 "-Xms", "-Ximage-compiler-option"); 778 parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf, 779 "-Xmx", "-Ximage-compiler-option"); 780 if (skip_compilation) { 781 addOption("-Ximage-compiler-option"); 782 addOption("--compiler-filter=verify-none"); 783 } else { 784 parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf, 785 "--compiler-filter=", "-Ximage-compiler-option"); 786 } 787 addOption("-Ximage-compiler-option"); 788 addOption("--image-classes-zip=/system/framework/framework.jar"); 789 addOption("-Ximage-compiler-option"); 790 addOption("--image-classes=preloaded-classes"); 791 property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, ""); 792 parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option"); 793 794 // Extra options for DexClassLoader. 795 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf, 796 "-Xms", "-Xcompiler-option"); 797 parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf, 798 "-Xmx", "-Xcompiler-option"); 799 if (skip_compilation) { 800 addOption("-Xcompiler-option"); 801 addOption("--compiler-filter=verify-none"); 802 } else { 803 parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf, 804 "--compiler-filter=", "-Xcompiler-option"); 805 } 806 property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, ""); 807 parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option"); 808 809 } 810 811 /* extra options; parse this late so it overrides others */ 812 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 813 parseExtraOpts(extraOptsBuf, NULL); 814 815 /* Set the properties for locale */ 816 { 817 strcpy(langOption, "-Duser.language="); 818 strcpy(regionOption, "-Duser.region="); 819 readLocale(langOption, regionOption); 820 addOption(langOption); 821 addOption(regionOption); 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 addOption("-Xenable-profiler"); 832 } 833 834 // Whether the profile should start upon app startup or be delayed by some random offset 835 // (in seconds) that is bound between 0 and a fixed value. 836 property_get("dalvik.vm.profile.start-immed", propBuf, "0"); 837 if (propBuf[0] == '1') { 838 addOption("-Xprofile-start-immediately"); 839 } 840 841 // Number of seconds during profile runs. 842 parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:"); 843 844 // Length of each profile run (seconds). 845 parseRuntimeOption("dalvik.vm.profile.duration-secs", 846 profileDuration, 847 "-Xprofile-duration:"); 848 849 // Polling interval during profile run (microseconds). 850 parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:"); 851 852 // Coefficient for period backoff. The the period is multiplied 853 // by this value after each profile run. 854 parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:"); 855 856 // Top K% of samples that are considered relevant when 857 // deciding if the app should be recompiled. 858 parseRuntimeOption("dalvik.vm.profile.top-k-thr", 859 profileTopKThreshold, 860 "-Xprofile-top-k-threshold:"); 861 862 // The threshold after which a change in the structure of the 863 // top K% profiled samples becomes significant and triggers 864 // recompilation. A change in profile is considered 865 // significant if X% (top-k-change-threshold) of the top K% 866 // (top-k-threshold property) samples has changed. 867 parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr", 868 profileTopKChangeThreshold, 869 "-Xprofile-top-k-change-threshold:"); 870 871 // Type of profile data. 872 parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:"); 873 874 // Depth of bounded stack data 875 parseRuntimeOption("dalvik.vm.profile.stack-depth", 876 profileMaxStackDepth, 877 "-Xprofile-max-stack-depth:"); 878 879 // Native bridge library. "0" means that native bridge is disabled. 880 property_get("ro.dalvik.vm.native.bridge", propBuf, ""); 881 if (propBuf[0] == '\0') { 882 ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty"); 883 } else if (strcmp(propBuf, "0") != 0) { 884 snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX, 885 "-XX:NativeBridge=%s", propBuf); 886 addOption(nativeBridgeLibrary); 887 } 888 } 889 890 initArgs.version = JNI_VERSION_1_4; 891 initArgs.options = mOptions.editArray(); 892 initArgs.nOptions = mOptions.size(); 893 initArgs.ignoreUnrecognized = JNI_FALSE; 894 895 /* 896 * Initialize the VM. 897 * 898 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 899 * If this call succeeds, the VM is ready, and we can start issuing 900 * JNI calls. 901 */ 902 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 903 ALOGE("JNI_CreateJavaVM failed\n"); 904 goto bail; 905 } 906 907 result = 0; 908 909bail: 910 return result; 911} 912 913char* AndroidRuntime::toSlashClassName(const char* className) 914{ 915 char* result = strdup(className); 916 for (char* cp = result; *cp != '\0'; cp++) { 917 if (*cp == '.') { 918 *cp = '/'; 919 } 920 } 921 return result; 922} 923 924/* 925 * Start the Android runtime. This involves starting the virtual machine 926 * and calling the "static void main(String[] args)" method in the class 927 * named by "className". 928 * 929 * Passes the main function two arguments, the class name and the specified 930 * options string. 931 */ 932void AndroidRuntime::start(const char* className, const Vector<String8>& options) 933{ 934 ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 935 className != NULL ? className : "(unknown)"); 936 937 static const String8 startSystemServer("start-system-server"); 938 939 /* 940 * 'startSystemServer == true' means runtime is obsolete and not run from 941 * init.rc anymore, so we print out the boot start event here. 942 */ 943 for (size_t i = 0; i < options.size(); ++i) { 944 if (options[i] == startSystemServer) { 945 /* track our progress through the boot sequence */ 946 const int LOG_BOOT_PROGRESS_START = 3000; 947 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 948 } 949 } 950 951 const char* rootDir = getenv("ANDROID_ROOT"); 952 if (rootDir == NULL) { 953 rootDir = "/system"; 954 if (!hasDir("/system")) { 955 LOG_FATAL("No root directory specified, and /android does not exist."); 956 return; 957 } 958 setenv("ANDROID_ROOT", rootDir, 1); 959 } 960 961 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 962 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 963 964 /* start the virtual machine */ 965 JniInvocation jni_invocation; 966 jni_invocation.Init(NULL); 967 JNIEnv* env; 968 if (startVm(&mJavaVM, &env) != 0) { 969 return; 970 } 971 onVmCreated(env); 972 973 /* 974 * Register android functions. 975 */ 976 if (startReg(env) < 0) { 977 ALOGE("Unable to register all android natives\n"); 978 return; 979 } 980 981 /* 982 * We want to call main() with a String array with arguments in it. 983 * At present we have two arguments, the class name and an option string. 984 * Create an array to hold them. 985 */ 986 jclass stringClass; 987 jobjectArray strArray; 988 jstring classNameStr; 989 990 stringClass = env->FindClass("java/lang/String"); 991 assert(stringClass != NULL); 992 strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL); 993 assert(strArray != NULL); 994 classNameStr = env->NewStringUTF(className); 995 assert(classNameStr != NULL); 996 env->SetObjectArrayElement(strArray, 0, classNameStr); 997 998 for (size_t i = 0; i < options.size(); ++i) { 999 jstring optionsStr = env->NewStringUTF(options.itemAt(i).string()); 1000 assert(optionsStr != NULL); 1001 env->SetObjectArrayElement(strArray, i + 1, optionsStr); 1002 } 1003 1004 /* 1005 * Start VM. This thread becomes the main thread of the VM, and will 1006 * not return until the VM exits. 1007 */ 1008 char* slashClassName = toSlashClassName(className); 1009 jclass startClass = env->FindClass(slashClassName); 1010 if (startClass == NULL) { 1011 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 1012 /* keep going */ 1013 } else { 1014 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 1015 "([Ljava/lang/String;)V"); 1016 if (startMeth == NULL) { 1017 ALOGE("JavaVM unable to find main() in '%s'\n", className); 1018 /* keep going */ 1019 } else { 1020 env->CallStaticVoidMethod(startClass, startMeth, strArray); 1021 1022#if 0 1023 if (env->ExceptionCheck()) 1024 threadExitUncaughtException(env); 1025#endif 1026 } 1027 } 1028 free(slashClassName); 1029 1030 ALOGD("Shutting down VM\n"); 1031 if (mJavaVM->DetachCurrentThread() != JNI_OK) 1032 ALOGW("Warning: unable to detach main thread\n"); 1033 if (mJavaVM->DestroyJavaVM() != 0) 1034 ALOGW("Warning: VM did not shut down cleanly\n"); 1035} 1036 1037void AndroidRuntime::exit(int code) 1038{ 1039 if (mExitWithoutCleanup) { 1040 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 1041 ::_exit(code); 1042 } else { 1043 ALOGI("VM exiting with result code %d.", code); 1044 onExit(code); 1045 ::exit(code); 1046 } 1047} 1048 1049void AndroidRuntime::onVmCreated(JNIEnv* env) 1050{ 1051 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 1052} 1053 1054/* 1055 * Get the JNIEnv pointer for this thread. 1056 * 1057 * Returns NULL if the slot wasn't allocated or populated. 1058 */ 1059/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1060{ 1061 JNIEnv* env; 1062 JavaVM* vm = AndroidRuntime::getJavaVM(); 1063 assert(vm != NULL); 1064 1065 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1066 return NULL; 1067 return env; 1068} 1069 1070/* 1071 * Makes the current thread visible to the VM. 1072 * 1073 * The JNIEnv pointer returned is only valid for the current thread, and 1074 * thus must be tucked into thread-local storage. 1075 */ 1076static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1077{ 1078 JavaVMAttachArgs args; 1079 JavaVM* vm; 1080 jint result; 1081 1082 vm = AndroidRuntime::getJavaVM(); 1083 assert(vm != NULL); 1084 1085 args.version = JNI_VERSION_1_4; 1086 args.name = (char*) threadName; 1087 args.group = NULL; 1088 1089 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1090 if (result != JNI_OK) 1091 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 1092 1093 return result; 1094} 1095 1096/* 1097 * Detach the current thread from the set visible to the VM. 1098 */ 1099static int javaDetachThread(void) 1100{ 1101 JavaVM* vm; 1102 jint result; 1103 1104 vm = AndroidRuntime::getJavaVM(); 1105 assert(vm != NULL); 1106 1107 result = vm->DetachCurrentThread(); 1108 if (result != JNI_OK) 1109 ALOGE("ERROR: thread detach failed\n"); 1110 return result; 1111} 1112 1113/* 1114 * When starting a native thread that will be visible from the VM, we 1115 * bounce through this to get the right attach/detach action. 1116 * Note that this function calls free(args) 1117 */ 1118/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1119 void* start = ((void**)args)[0]; 1120 void* userData = ((void **)args)[1]; 1121 char* name = (char*) ((void **)args)[2]; // we own this storage 1122 free(args); 1123 JNIEnv* env; 1124 int result; 1125 1126 /* hook us into the VM */ 1127 if (javaAttachThread(name, &env) != JNI_OK) 1128 return -1; 1129 1130 /* start the thread running */ 1131 result = (*(android_thread_func_t)start)(userData); 1132 1133 /* unhook us */ 1134 javaDetachThread(); 1135 free(name); 1136 1137 return result; 1138} 1139 1140/* 1141 * This is invoked from androidCreateThreadEtc() via the callback 1142 * set with androidSetCreateThreadFunc(). 1143 * 1144 * We need to create the new thread in such a way that it gets hooked 1145 * into the VM before it really starts executing. 1146 */ 1147/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1148 android_thread_func_t entryFunction, 1149 void* userData, 1150 const char* threadName, 1151 int32_t threadPriority, 1152 size_t threadStackSize, 1153 android_thread_id_t* threadId) 1154{ 1155 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1156 int result; 1157 1158 assert(threadName != NULL); 1159 1160 args[0] = (void*) entryFunction; 1161 args[1] = userData; 1162 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1163 1164 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1165 threadName, threadPriority, threadStackSize, threadId); 1166 return result; 1167} 1168 1169/* 1170 * Create a thread that is visible from the VM. 1171 * 1172 * This is called from elsewhere in the library. 1173 */ 1174/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1175 void (*start)(void *), void* arg) 1176{ 1177 android_thread_id_t threadId = 0; 1178 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1179 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1180 return threadId; 1181} 1182 1183#if 0 1184static void quickTest(void* arg) 1185{ 1186 const char* str = (const char*) arg; 1187 1188 printf("In quickTest: %s\n", str); 1189} 1190#endif 1191 1192#ifdef NDEBUG 1193 #define REG_JNI(name) { name } 1194 struct RegJNIRec { 1195 int (*mProc)(JNIEnv*); 1196 }; 1197#else 1198 #define REG_JNI(name) { name, #name } 1199 struct RegJNIRec { 1200 int (*mProc)(JNIEnv*); 1201 const char* mName; 1202 }; 1203#endif 1204 1205typedef void (*RegJAMProc)(); 1206 1207static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1208{ 1209 for (size_t i = 0; i < count; i++) { 1210 if (array[i].mProc(env) < 0) { 1211#ifndef NDEBUG 1212 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1213#endif 1214 return -1; 1215 } 1216 } 1217 return 0; 1218} 1219 1220static void register_jam_procs(const RegJAMProc array[], size_t count) 1221{ 1222 for (size_t i = 0; i < count; i++) { 1223 array[i](); 1224 } 1225} 1226 1227static const RegJNIRec gRegJNI[] = { 1228 REG_JNI(register_com_android_internal_os_RuntimeInit), 1229 REG_JNI(register_android_os_SystemClock), 1230 REG_JNI(register_android_util_EventLog), 1231 REG_JNI(register_android_util_Log), 1232 REG_JNI(register_android_util_FloatMath), 1233 REG_JNI(register_android_content_AssetManager), 1234 REG_JNI(register_android_content_StringBlock), 1235 REG_JNI(register_android_content_XmlBlock), 1236 REG_JNI(register_android_emoji_EmojiFactory), 1237 REG_JNI(register_android_text_AndroidCharacter), 1238 REG_JNI(register_android_text_AndroidBidi), 1239 REG_JNI(register_android_view_InputDevice), 1240 REG_JNI(register_android_view_KeyCharacterMap), 1241 REG_JNI(register_android_os_Process), 1242 REG_JNI(register_android_os_SystemProperties), 1243 REG_JNI(register_android_os_Binder), 1244 REG_JNI(register_android_os_Parcel), 1245 REG_JNI(register_android_view_DisplayEventReceiver), 1246 REG_JNI(register_android_nio_utils), 1247 REG_JNI(register_android_graphics_Graphics), 1248 REG_JNI(register_android_view_GraphicBuffer), 1249 REG_JNI(register_android_view_GLES20DisplayList), 1250 REG_JNI(register_android_view_GLES20Canvas), 1251 REG_JNI(register_android_view_HardwareRenderer), 1252 REG_JNI(register_android_view_Surface), 1253 REG_JNI(register_android_view_SurfaceControl), 1254 REG_JNI(register_android_view_SurfaceSession), 1255 REG_JNI(register_android_view_TextureView), 1256 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1257 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1258 REG_JNI(register_android_opengl_jni_EGL14), 1259 REG_JNI(register_android_opengl_jni_EGLExt), 1260 REG_JNI(register_android_opengl_jni_GLES10), 1261 REG_JNI(register_android_opengl_jni_GLES10Ext), 1262 REG_JNI(register_android_opengl_jni_GLES11), 1263 REG_JNI(register_android_opengl_jni_GLES11Ext), 1264 REG_JNI(register_android_opengl_jni_GLES20), 1265 REG_JNI(register_android_opengl_jni_GLES30), 1266 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_ColorFilter), 1274 REG_JNI(register_android_graphics_DrawFilter), 1275 REG_JNI(register_android_graphics_Interpolator), 1276 REG_JNI(register_android_graphics_LayerRasterizer), 1277 REG_JNI(register_android_graphics_MaskFilter), 1278 REG_JNI(register_android_graphics_Matrix), 1279 REG_JNI(register_android_graphics_Movie), 1280 REG_JNI(register_android_graphics_NinePatch), 1281 REG_JNI(register_android_graphics_Paint), 1282 REG_JNI(register_android_graphics_Path), 1283 REG_JNI(register_android_graphics_PathMeasure), 1284 REG_JNI(register_android_graphics_PathEffect), 1285 REG_JNI(register_android_graphics_Picture), 1286 REG_JNI(register_android_graphics_PorterDuff), 1287 REG_JNI(register_android_graphics_Rasterizer), 1288 REG_JNI(register_android_graphics_Region), 1289 REG_JNI(register_android_graphics_Shader), 1290 REG_JNI(register_android_graphics_SurfaceTexture), 1291 REG_JNI(register_android_graphics_Typeface), 1292 REG_JNI(register_android_graphics_Xfermode), 1293 REG_JNI(register_android_graphics_YuvImage), 1294 REG_JNI(register_android_graphics_pdf_PdfDocument), 1295 1296 REG_JNI(register_android_database_CursorWindow), 1297 REG_JNI(register_android_database_SQLiteConnection), 1298 REG_JNI(register_android_database_SQLiteGlobal), 1299 REG_JNI(register_android_database_SQLiteDebug), 1300 REG_JNI(register_android_os_Debug), 1301 REG_JNI(register_android_os_FileObserver), 1302 REG_JNI(register_android_os_MessageQueue), 1303 REG_JNI(register_android_os_SELinux), 1304 REG_JNI(register_android_os_Trace), 1305 REG_JNI(register_android_os_UEventObserver), 1306 REG_JNI(register_android_net_LocalSocketImpl), 1307 REG_JNI(register_android_net_NetworkUtils), 1308 REG_JNI(register_android_net_TrafficStats), 1309 REG_JNI(register_android_net_wifi_WifiNative), 1310 REG_JNI(register_android_os_MemoryFile), 1311 REG_JNI(register_com_android_internal_os_ZygoteInit), 1312 REG_JNI(register_com_android_internal_os_Zygote), 1313 REG_JNI(register_android_hardware_Camera), 1314 REG_JNI(register_android_hardware_camera2_CameraMetadata), 1315 REG_JNI(register_android_hardware_SensorManager), 1316 REG_JNI(register_android_hardware_SerialPort), 1317 REG_JNI(register_android_hardware_UsbDevice), 1318 REG_JNI(register_android_hardware_UsbDeviceConnection), 1319 REG_JNI(register_android_hardware_UsbRequest), 1320 REG_JNI(register_android_media_AudioRecord), 1321 REG_JNI(register_android_media_AudioSystem), 1322 REG_JNI(register_android_media_AudioTrack), 1323 REG_JNI(register_android_media_JetPlayer), 1324 REG_JNI(register_android_media_RemoteDisplay), 1325 REG_JNI(register_android_media_ToneGenerator), 1326 1327 REG_JNI(register_android_opengl_classes), 1328 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1329 REG_JNI(register_android_server_Watchdog), 1330 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1331 REG_JNI(register_android_backup_BackupDataInput), 1332 REG_JNI(register_android_backup_BackupDataOutput), 1333 REG_JNI(register_android_backup_FileBackupHelperBase), 1334 REG_JNI(register_android_backup_BackupHelperDispatcher), 1335 REG_JNI(register_android_app_backup_FullBackup), 1336 REG_JNI(register_android_app_ActivityThread), 1337 REG_JNI(register_android_app_NativeActivity), 1338 REG_JNI(register_android_view_InputChannel), 1339 REG_JNI(register_android_view_InputEventReceiver), 1340 REG_JNI(register_android_view_InputEventSender), 1341 REG_JNI(register_android_view_InputQueue), 1342 REG_JNI(register_android_view_KeyEvent), 1343 REG_JNI(register_android_view_MotionEvent), 1344 REG_JNI(register_android_view_PointerIcon), 1345 REG_JNI(register_android_view_VelocityTracker), 1346 1347 REG_JNI(register_android_content_res_ObbScanner), 1348 REG_JNI(register_android_content_res_Configuration), 1349 1350 REG_JNI(register_android_animation_PropertyValuesHolder), 1351 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1352 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1353}; 1354 1355/* 1356 * Register android native functions with the VM. 1357 */ 1358/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1359{ 1360 /* 1361 * This hook causes all future threads created in this process to be 1362 * attached to the JavaVM. (This needs to go away in favor of JNI 1363 * Attach calls.) 1364 */ 1365 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1366 1367 ALOGV("--- registering native functions ---\n"); 1368 1369 /* 1370 * Every "register" function calls one or more things that return 1371 * a local reference (e.g. FindClass). Because we haven't really 1372 * started the VM yet, they're all getting stored in the base frame 1373 * and never released. Use Push/Pop to manage the storage. 1374 */ 1375 env->PushLocalFrame(200); 1376 1377 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1378 env->PopLocalFrame(NULL); 1379 return -1; 1380 } 1381 env->PopLocalFrame(NULL); 1382 1383 //createJavaThread("fubar", quickTest, (void*) "hello"); 1384 1385 return 0; 1386} 1387 1388AndroidRuntime* AndroidRuntime::getRuntime() 1389{ 1390 return gCurRuntime; 1391} 1392 1393/** 1394 * Used by WithFramework to register native functions. 1395 */ 1396extern "C" 1397jint Java_com_android_internal_util_WithFramework_registerNatives( 1398 JNIEnv* env, jclass clazz) { 1399 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1400} 1401 1402/** 1403 * Used by LoadClass to register native functions. 1404 */ 1405extern "C" 1406jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1407 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1408} 1409 1410} // namespace android 1411