AndroidRuntime.cpp revision 050316184b01c0d1a01c46afae7429b89a27c31b
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/StringArray.h> 28#include <utils/threads.h> 29#include <cutils/properties.h> 30 31#include <SkGraphics.h> 32#include <SkImageDecoder.h> 33#include <SkImageRef_GlobalPool.h> 34 35#include "jni.h" 36#include "JNIHelp.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 void register_BindTest(); 51 52extern int register_android_os_Binder(JNIEnv* env); 53extern int register_android_os_Process(JNIEnv* env); 54extern int register_android_graphics_Bitmap(JNIEnv*); 55extern int register_android_graphics_BitmapFactory(JNIEnv*); 56extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*); 57extern int register_android_graphics_Camera(JNIEnv* env); 58extern int register_android_graphics_Graphics(JNIEnv* env); 59extern int register_android_graphics_Interpolator(JNIEnv* env); 60extern int register_android_graphics_LayerRasterizer(JNIEnv*); 61extern int register_android_graphics_MaskFilter(JNIEnv* env); 62extern int register_android_graphics_Movie(JNIEnv* env); 63extern int register_android_graphics_NinePatch(JNIEnv*); 64extern int register_android_graphics_PathEffect(JNIEnv* env); 65extern int register_android_graphics_Shader(JNIEnv* env); 66extern int register_android_graphics_Typeface(JNIEnv* env); 67extern int register_android_graphics_YuvImage(JNIEnv* env); 68 69extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 70extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 71extern int register_android_opengl_jni_GLES10(JNIEnv* env); 72extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 73extern int register_android_opengl_jni_GLES11(JNIEnv* env); 74extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 75extern int register_android_opengl_jni_GLES20(JNIEnv* env); 76 77extern int register_android_hardware_Camera(JNIEnv *env); 78extern int register_android_hardware_SensorManager(JNIEnv *env); 79extern int register_android_hardware_UsbDevice(JNIEnv *env); 80extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env); 81extern int register_android_hardware_UsbRequest(JNIEnv *env); 82 83extern int register_android_media_AudioRecord(JNIEnv *env); 84extern int register_android_media_AudioSystem(JNIEnv *env); 85extern int register_android_media_AudioTrack(JNIEnv *env); 86extern int register_android_media_JetPlayer(JNIEnv *env); 87extern int register_android_media_ToneGenerator(JNIEnv *env); 88 89extern int register_android_util_FloatMath(JNIEnv* env); 90 91namespace android { 92 93/* 94 * JNI-based registration functions. Note these are properly contained in 95 * namespace android. 96 */ 97extern int register_android_content_AssetManager(JNIEnv* env); 98extern int register_android_util_EventLog(JNIEnv* env); 99extern int register_android_util_Log(JNIEnv* env); 100extern int register_android_content_StringBlock(JNIEnv* env); 101extern int register_android_content_XmlBlock(JNIEnv* env); 102extern int register_android_emoji_EmojiFactory(JNIEnv* env); 103extern int register_android_graphics_Canvas(JNIEnv* env); 104extern int register_android_graphics_ColorFilter(JNIEnv* env); 105extern int register_android_graphics_DrawFilter(JNIEnv* env); 106extern int register_android_graphics_Matrix(JNIEnv* env); 107extern int register_android_graphics_Paint(JNIEnv* env); 108extern int register_android_graphics_ParcelSurfaceTexture(JNIEnv* env); 109extern int register_android_graphics_Path(JNIEnv* env); 110extern int register_android_graphics_PathMeasure(JNIEnv* env); 111extern int register_android_graphics_Picture(JNIEnv*); 112extern int register_android_graphics_PorterDuff(JNIEnv* env); 113extern int register_android_graphics_Rasterizer(JNIEnv* env); 114extern int register_android_graphics_Region(JNIEnv* env); 115extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 116extern int register_android_graphics_Xfermode(JNIEnv* env); 117extern int register_android_graphics_PixelFormat(JNIEnv* env); 118extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 119extern int register_android_view_Display(JNIEnv* env); 120extern int register_android_view_GLES20Canvas(JNIEnv* env); 121extern int register_android_view_Surface(JNIEnv* env); 122extern int register_android_view_TextureView(JNIEnv* env); 123extern int register_android_view_ViewAncestor(JNIEnv* env); 124extern int register_android_database_CursorWindow(JNIEnv* env); 125extern int register_android_database_SQLiteCompiledSql(JNIEnv* env); 126extern int register_android_database_SQLiteDatabase(JNIEnv* env); 127extern int register_android_database_SQLiteDebug(JNIEnv* env); 128extern int register_android_database_SQLiteProgram(JNIEnv* env); 129extern int register_android_database_SQLiteQuery(JNIEnv* env); 130extern int register_android_database_SQLiteStatement(JNIEnv* env); 131extern int register_android_debug_JNITest(JNIEnv* env); 132extern int register_android_nio_utils(JNIEnv* env); 133extern int register_android_nfc_NdefMessage(JNIEnv *env); 134extern int register_android_nfc_NdefRecord(JNIEnv *env); 135extern int register_android_pim_EventRecurrence(JNIEnv* env); 136extern int register_android_text_format_Time(JNIEnv* env); 137extern int register_android_os_Debug(JNIEnv* env); 138extern int register_android_os_MessageQueue(JNIEnv* env); 139extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 140extern int register_android_os_Power(JNIEnv *env); 141extern int register_android_os_StatFs(JNIEnv *env); 142extern int register_android_os_SystemProperties(JNIEnv *env); 143extern int register_android_os_SystemClock(JNIEnv* env); 144extern int register_android_os_FileObserver(JNIEnv *env); 145extern int register_android_os_FileUtils(JNIEnv *env); 146extern int register_android_os_UEventObserver(JNIEnv* env); 147extern int register_android_os_MemoryFile(JNIEnv* env); 148extern int register_android_net_LocalSocketImpl(JNIEnv* env); 149extern int register_android_net_NetworkUtils(JNIEnv* env); 150extern int register_android_net_TrafficStats(JNIEnv* env); 151extern int register_android_net_wifi_WifiManager(JNIEnv* env); 152extern int register_android_text_AndroidCharacter(JNIEnv *env); 153extern int register_android_text_AndroidBidi(JNIEnv *env); 154extern int register_android_text_KeyCharacterMap(JNIEnv *env); 155extern int register_android_opengl_classes(JNIEnv *env); 156extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 157extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 158extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env); 159extern int register_android_server_BluetoothService(JNIEnv* env); 160extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 161extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 162extern int register_android_server_Watchdog(JNIEnv* env); 163extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 164extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 165extern int register_android_backup_BackupDataInput(JNIEnv *env); 166extern int register_android_backup_BackupDataOutput(JNIEnv *env); 167extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 168extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 169extern int register_android_app_backup_FullBackup(JNIEnv *env); 170extern int register_android_app_ActivityThread(JNIEnv *env); 171extern int register_android_app_NativeActivity(JNIEnv *env); 172extern int register_android_view_InputChannel(JNIEnv* env); 173extern int register_android_view_InputQueue(JNIEnv* env); 174extern int register_android_view_KeyEvent(JNIEnv* env); 175extern int register_android_view_MotionEvent(JNIEnv* env); 176extern int register_android_view_PointerIcon(JNIEnv* env); 177extern int register_android_view_VelocityTracker(JNIEnv* env); 178extern int register_android_content_res_ObbScanner(JNIEnv* env); 179extern int register_android_content_res_Configuration(JNIEnv* env); 180extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 181 182static AndroidRuntime* gCurRuntime = NULL; 183 184static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 185{ 186 if (jniThrowException(env, exc, msg) != 0) 187 assert(false); 188} 189 190/* 191 * Code written in the Java Programming Language calls here from main(). 192 */ 193static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 194{ 195 gCurRuntime->onStarted(); 196} 197 198static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 199{ 200 gCurRuntime->onZygoteInit(); 201} 202 203static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 204{ 205 return 1; 206} 207 208static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 209{ 210} 211 212static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 213{ 214 char* value = getenv("qwerty"); 215 if (value != NULL && strcmp(value, "true") == 0) { 216 return 1; 217 } 218 219 return 0; 220} 221 222/* 223 * JNI registration. 224 */ 225static JNINativeMethod gMethods[] = { 226 { "finishInit", "()V", 227 (void*) com_android_internal_os_RuntimeInit_finishInit }, 228 { "zygoteInitNative", "()V", 229 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 230 { "isComputerOn", "()I", 231 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 232 { "turnComputerOn", "()V", 233 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 234 { "getQwertyKeyboard", "()I", 235 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 236}; 237 238int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 239{ 240 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 241 gMethods, NELEM(gMethods)); 242} 243 244// ---------------------------------------------------------------------- 245 246/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 247 248 249AndroidRuntime::AndroidRuntime() 250{ 251 SkGraphics::Init(); 252 // this sets our preference for 16bit images during decode 253 // in case the src is opaque and 24bit 254 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 255 // This cache is shared between browser native images, and java "purgeable" 256 // bitmaps. This globalpool is for images that do not either use the java 257 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 258 // java call site. 259 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 260 // There is also a global font cache, but its budget is specified in code 261 // see SkFontHost_android.cpp 262 263 // Pre-allocate enough space to hold a fair number of options. 264 mOptions.setCapacity(20); 265 266 assert(gCurRuntime == NULL); // one per process 267 gCurRuntime = this; 268} 269 270AndroidRuntime::~AndroidRuntime() 271{ 272 SkGraphics::Term(); 273} 274 275/* 276 * Register native methods using JNI. 277 */ 278/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 279 const char* className, const JNINativeMethod* gMethods, int numMethods) 280{ 281 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 282} 283 284status_t AndroidRuntime::callMain(const char* className, 285 jclass clazz, int argc, const char* const argv[]) 286{ 287 JNIEnv* env; 288 jmethodID methodId; 289 290 LOGD("Calling main entry %s", className); 291 292 env = getJNIEnv(); 293 if (clazz == NULL || env == NULL) { 294 return UNKNOWN_ERROR; 295 } 296 297 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 298 if (methodId == NULL) { 299 LOGE("ERROR: could not find method %s.main(String[])\n", className); 300 return UNKNOWN_ERROR; 301 } 302 303 /* 304 * We want to call main() with a String array with our arguments in it. 305 * Create an array and populate it. 306 */ 307 jclass stringClass; 308 jobjectArray strArray; 309 310 stringClass = env->FindClass("java/lang/String"); 311 strArray = env->NewObjectArray(argc, stringClass, NULL); 312 313 for (int i = 0; i < argc; i++) { 314 jstring argStr = env->NewStringUTF(argv[i]); 315 env->SetObjectArrayElement(strArray, i, argStr); 316 } 317 318 env->CallStaticVoidMethod(clazz, methodId, strArray); 319 return NO_ERROR; 320} 321 322/* 323 * The VM calls this through the "exit" hook. 324 */ 325static void runtime_exit(int code) 326{ 327 gCurRuntime->onExit(code); 328 exit(code); 329} 330 331/* 332 * The VM calls this through the "vfprintf" hook. 333 * 334 * We ignore "fp" and just write the results to the log file. 335 */ 336static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 337{ 338 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 339} 340 341/** 342 * The VM calls this when mutex contention debugging is enabled to 343 * determine whether or not the blocked thread was a "sensitive thread" 344 * for user responsiveness/smoothess. 345 * 346 * Our policy for this is whether or not we're tracing any StrictMode 347 * events on this thread (which we might've inherited via Binder calls 348 * into us) 349 */ 350static bool runtime_isSensitiveThread() { 351 IPCThreadState* state = IPCThreadState::selfOrNull(); 352 return state && state->getStrictModePolicy() != 0; 353} 354 355 356/** 357 * Add VM arguments to the to-be-executed VM 358 * Stops at first non '-' argument (also stops at an argument of '--') 359 * Returns the number of args consumed 360 */ 361int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 362{ 363 int i; 364 365 for (i = 0; i<argc; i++) { 366 if (argv[i][0] != '-') { 367 return i; 368 } 369 if (argv[i][1] == '-' && argv[i][2] == 0) { 370 return i+1; 371 } 372 373 JavaVMOption opt; 374 memset(&opt, 0, sizeof(opt)); 375 opt.optionString = (char*)argv[i]; 376 mOptions.add(opt); 377 } 378 return i; 379} 380 381static int hasDir(const char* dir) 382{ 383 struct stat s; 384 int res = stat(dir, &s); 385 if (res == 0) { 386 return S_ISDIR(s.st_mode); 387 } 388 return 0; 389} 390 391/* 392 * We just want failed write() calls to just return with an error. 393 */ 394static void blockSigpipe() 395{ 396 sigset_t mask; 397 398 sigemptyset(&mask); 399 sigaddset(&mask, SIGPIPE); 400 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 401 LOGW("WARNING: SIGPIPE not blocked\n"); 402} 403 404/* 405 * Read the persistent locale. 406 */ 407static void readLocale(char* language, char* region) 408{ 409 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 410 411 property_get("persist.sys.language", propLang, ""); 412 property_get("persist.sys.country", propRegn, ""); 413 if (*propLang == 0 && *propRegn == 0) { 414 /* Set to ro properties, default is en_US */ 415 property_get("ro.product.locale.language", propLang, "en"); 416 property_get("ro.product.locale.region", propRegn, "US"); 417 } 418 strncat(language, propLang, 2); 419 strncat(region, propRegn, 2); 420 //LOGD("language=%s region=%s\n", language, region); 421} 422 423/* 424 * Parse a property containing space-separated options that should be 425 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 426 * 427 * This will cut up "extraOptsBuf" as we chop it into individual options. 428 * 429 * Adds the strings, if any, to mOptions. 430 */ 431void AndroidRuntime::parseExtraOpts(char* extraOptsBuf) 432{ 433 JavaVMOption opt; 434 char* start; 435 char* end; 436 437 memset(&opt, 0, sizeof(opt)); 438 start = extraOptsBuf; 439 while (*start != '\0') { 440 while (*start == ' ') /* skip leading whitespace */ 441 start++; 442 if (*start == '\0') /* was trailing ws, bail */ 443 break; 444 445 end = start+1; 446 while (*end != ' ' && *end != '\0') /* find end of token */ 447 end++; 448 if (*end == ' ') 449 *end++ = '\0'; /* mark end, advance to indicate more */ 450 451 opt.optionString = start; 452 mOptions.add(opt); 453 start = end; 454 } 455} 456 457/* 458 * Start the Dalvik Virtual Machine. 459 * 460 * Various arguments, most determined by system properties, are passed in. 461 * The "mOptions" vector is updated. 462 * 463 * Returns 0 on success. 464 */ 465int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 466{ 467 int result = -1; 468 JavaVMInitArgs initArgs; 469 JavaVMOption opt; 470 char propBuf[PROPERTY_VALUE_MAX]; 471 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 472 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 473 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 474 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 475 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 476 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 477 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 478 char extraOptsBuf[PROPERTY_VALUE_MAX]; 479 char* stackTraceFile = NULL; 480 bool checkJni = false; 481 bool checkDexSum = false; 482 bool logStdio = false; 483 enum { 484 kEMDefault, 485 kEMIntPortable, 486 kEMIntFast, 487#if defined(WITH_JIT) 488 kEMJitCompiler, 489#endif 490 } executionMode = kEMDefault; 491 492 493 property_get("dalvik.vm.checkjni", propBuf, ""); 494 if (strcmp(propBuf, "true") == 0) { 495 checkJni = true; 496 } else if (strcmp(propBuf, "false") != 0) { 497 /* property is neither true nor false; fall back on kernel parameter */ 498 property_get("ro.kernel.android.checkjni", propBuf, ""); 499 if (propBuf[0] == '1') { 500 checkJni = true; 501 } 502 } 503 504 property_get("dalvik.vm.execution-mode", propBuf, ""); 505 if (strcmp(propBuf, "int:portable") == 0) { 506 executionMode = kEMIntPortable; 507 } else if (strcmp(propBuf, "int:fast") == 0) { 508 executionMode = kEMIntFast; 509#if defined(WITH_JIT) 510 } else if (strcmp(propBuf, "int:jit") == 0) { 511 executionMode = kEMJitCompiler; 512#endif 513 } 514 515 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 516 517 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 518 if (strcmp(propBuf, "true") == 0) { 519 checkDexSum = true; 520 } 521 522 property_get("log.redirect-stdio", propBuf, ""); 523 if (strcmp(propBuf, "true") == 0) { 524 logStdio = true; 525 } 526 527 strcpy(enableAssertBuf, "-ea:"); 528 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 529 530 strcpy(jniOptsBuf, "-Xjniopts:"); 531 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 532 533 /* route exit() to our handler */ 534 opt.extraInfo = (void*) runtime_exit; 535 opt.optionString = "exit"; 536 mOptions.add(opt); 537 538 /* route fprintf() to our handler */ 539 opt.extraInfo = (void*) runtime_vfprintf; 540 opt.optionString = "vfprintf"; 541 mOptions.add(opt); 542 543 /* register the framework-specific "is sensitive thread" hook */ 544 opt.extraInfo = (void*) runtime_isSensitiveThread; 545 opt.optionString = "sensitiveThread"; 546 mOptions.add(opt); 547 548 opt.extraInfo = NULL; 549 550 /* enable verbose; standard options are { jni, gc, class } */ 551 //options[curOpt++].optionString = "-verbose:jni"; 552 opt.optionString = "-verbose:gc"; 553 mOptions.add(opt); 554 //options[curOpt++].optionString = "-verbose:class"; 555 556 /* 557 * The default starting and maximum size of the heap. Larger 558 * values should be specified in a product property override. 559 */ 560 strcpy(heapstartsizeOptsBuf, "-Xms"); 561 property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m"); 562 opt.optionString = heapstartsizeOptsBuf; 563 mOptions.add(opt); 564 strcpy(heapsizeOptsBuf, "-Xmx"); 565 property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m"); 566 opt.optionString = heapsizeOptsBuf; 567 mOptions.add(opt); 568 569 strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 570 property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, ""); 571 if (heapgrowthlimitOptsBuf[20] != '\0') { 572 opt.optionString = heapgrowthlimitOptsBuf; 573 mOptions.add(opt); 574 } 575 576 /* 577 * Enable or disable dexopt features, such as bytecode verification and 578 * calculation of register maps for precise GC. 579 */ 580 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 581 if (dexoptFlagsBuf[0] != '\0') { 582 const char* opc; 583 const char* val; 584 585 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 586 if (opc != NULL) { 587 switch (*(opc+2)) { 588 case 'n': val = "-Xverify:none"; break; 589 case 'r': val = "-Xverify:remote"; break; 590 case 'a': val = "-Xverify:all"; break; 591 default: val = NULL; break; 592 } 593 594 if (val != NULL) { 595 opt.optionString = val; 596 mOptions.add(opt); 597 } 598 } 599 600 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 601 if (opc != NULL) { 602 switch (*(opc+2)) { 603 case 'n': val = "-Xdexopt:none"; break; 604 case 'v': val = "-Xdexopt:verified"; break; 605 case 'a': val = "-Xdexopt:all"; break; 606 case 'f': val = "-Xdexopt:full"; break; 607 default: val = NULL; break; 608 } 609 610 if (val != NULL) { 611 opt.optionString = val; 612 mOptions.add(opt); 613 } 614 } 615 616 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 617 if (opc != NULL) { 618 opt.optionString = "-Xgenregmap"; 619 mOptions.add(opt); 620 621 /* turn on precise GC while we're at it */ 622 opt.optionString = "-Xgc:precise"; 623 mOptions.add(opt); 624 } 625 } 626 627 /* enable debugging; set suspend=y to pause during VM init */ 628#ifdef HAVE_ANDROID_OS 629 /* use android ADB transport */ 630 opt.optionString = 631 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 632#else 633 /* use TCP socket; address=0 means start at port 8000 and probe up */ 634 LOGI("Using TCP socket for JDWP\n"); 635 opt.optionString = 636 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 637#endif 638 mOptions.add(opt); 639 640 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 641 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 642 if (strlen(propBuf) > 0) { 643 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 644 strcat(enableDPBuf, propBuf); 645 opt.optionString = enableDPBuf; 646 mOptions.add(opt); 647 } 648 649 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 650 if (checkJni) { 651 /* extended JNI checking */ 652 opt.optionString = "-Xcheck:jni"; 653 mOptions.add(opt); 654 655 /* set a cap on JNI global references */ 656 opt.optionString = "-Xjnigreflimit:2000"; 657 mOptions.add(opt); 658 659 /* with -Xcheck:jni, this provides a JNI function call trace */ 660 //opt.optionString = "-verbose:jni"; 661 //mOptions.add(opt); 662 } 663 664 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)]; 665 property_get("dalvik.vm.lockprof.threshold", propBuf, ""); 666 if (strlen(propBuf) > 0) { 667 strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:"); 668 strcat(lockProfThresholdBuf, propBuf); 669 opt.optionString = lockProfThresholdBuf; 670 mOptions.add(opt); 671 } 672 673#if defined(WITH_JIT) 674 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 675 char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX]; 676 property_get("dalvik.vm.jit.op", propBuf, ""); 677 if (strlen(propBuf) > 0) { 678 strcpy(jitOpBuf, "-Xjitop:"); 679 strcat(jitOpBuf, propBuf); 680 opt.optionString = jitOpBuf; 681 mOptions.add(opt); 682 } 683 684 /* Force interpreter-only mode for selected methods */ 685 char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX]; 686 property_get("dalvik.vm.jit.method", propBuf, ""); 687 if (strlen(propBuf) > 0) { 688 strcpy(jitMethodBuf, "-Xjitmethod:"); 689 strcat(jitMethodBuf, propBuf); 690 opt.optionString = jitMethodBuf; 691 mOptions.add(opt); 692 } 693#endif 694 695 if (executionMode == kEMIntPortable) { 696 opt.optionString = "-Xint:portable"; 697 mOptions.add(opt); 698 } else if (executionMode == kEMIntFast) { 699 opt.optionString = "-Xint:fast"; 700 mOptions.add(opt); 701#if defined(WITH_JIT) 702 } else if (executionMode == kEMJitCompiler) { 703 opt.optionString = "-Xint:jit"; 704 mOptions.add(opt); 705#endif 706 } 707 708 if (checkDexSum) { 709 /* perform additional DEX checksum tests */ 710 opt.optionString = "-Xcheckdexsum"; 711 mOptions.add(opt); 712 } 713 714 if (logStdio) { 715 /* convert stdout/stderr to log messages */ 716 opt.optionString = "-Xlog-stdio"; 717 mOptions.add(opt); 718 } 719 720 if (enableAssertBuf[4] != '\0') { 721 /* accept "all" to mean "all classes and packages" */ 722 if (strcmp(enableAssertBuf+4, "all") == 0) 723 enableAssertBuf[3] = '\0'; 724 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 725 opt.optionString = enableAssertBuf; 726 mOptions.add(opt); 727 } else { 728 LOGV("Assertions disabled\n"); 729 } 730 731 if (jniOptsBuf[10] != '\0') { 732 LOGI("JNI options: '%s'\n", jniOptsBuf); 733 opt.optionString = jniOptsBuf; 734 mOptions.add(opt); 735 } 736 737 if (stackTraceFileBuf[0] != '\0') { 738 static const char* stfOptName = "-Xstacktracefile:"; 739 740 stackTraceFile = (char*) malloc(strlen(stfOptName) + 741 strlen(stackTraceFileBuf) +1); 742 strcpy(stackTraceFile, stfOptName); 743 strcat(stackTraceFile, stackTraceFileBuf); 744 opt.optionString = stackTraceFile; 745 mOptions.add(opt); 746 } 747 748 /* extra options; parse this late so it overrides others */ 749 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 750 parseExtraOpts(extraOptsBuf); 751 752 /* Set the properties for locale */ 753 { 754 char langOption[sizeof("-Duser.language=") + 3]; 755 char regionOption[sizeof("-Duser.region=") + 3]; 756 strcpy(langOption, "-Duser.language="); 757 strcpy(regionOption, "-Duser.region="); 758 readLocale(langOption, regionOption); 759 opt.extraInfo = NULL; 760 opt.optionString = langOption; 761 mOptions.add(opt); 762 opt.optionString = regionOption; 763 mOptions.add(opt); 764 } 765 766 /* 767 * We don't have /tmp on the device, but we often have an SD card. Apps 768 * shouldn't use this, but some test suites might want to exercise it. 769 */ 770 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 771 mOptions.add(opt); 772 773 initArgs.version = JNI_VERSION_1_4; 774 initArgs.options = mOptions.editArray(); 775 initArgs.nOptions = mOptions.size(); 776 initArgs.ignoreUnrecognized = JNI_FALSE; 777 778 /* 779 * Initialize the VM. 780 * 781 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 782 * If this call succeeds, the VM is ready, and we can start issuing 783 * JNI calls. 784 */ 785 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 786 LOGE("JNI_CreateJavaVM failed\n"); 787 goto bail; 788 } 789 790 result = 0; 791 792bail: 793 free(stackTraceFile); 794 return result; 795} 796 797char* AndroidRuntime::toSlashClassName(const char* className) 798{ 799 char* result = strdup(className); 800 for (char* cp = result; *cp != '\0'; cp++) { 801 if (*cp == '.') { 802 *cp = '/'; 803 } 804 } 805 return result; 806} 807 808/* 809 * Start the Android runtime. This involves starting the virtual machine 810 * and calling the "static void main(String[] args)" method in the class 811 * named by "className". 812 * 813 * Passes the main function two arguments, the class name and the specified 814 * options string. 815 */ 816void AndroidRuntime::start(const char* className, const char* options) 817{ 818 LOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 819 className != NULL ? className : "(unknown)"); 820 821 blockSigpipe(); 822 823 /* 824 * 'startSystemServer == true' means runtime is obsolete and not run from 825 * init.rc anymore, so we print out the boot start event here. 826 */ 827 if (strcmp(options, "start-system-server") == 0) { 828 /* track our progress through the boot sequence */ 829 const int LOG_BOOT_PROGRESS_START = 3000; 830 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 831 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 832 } 833 834 const char* rootDir = getenv("ANDROID_ROOT"); 835 if (rootDir == NULL) { 836 rootDir = "/system"; 837 if (!hasDir("/system")) { 838 LOG_FATAL("No root directory specified, and /android does not exist."); 839 return; 840 } 841 setenv("ANDROID_ROOT", rootDir, 1); 842 } 843 844 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 845 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 846 847 /* start the virtual machine */ 848 JNIEnv* env; 849 if (startVm(&mJavaVM, &env) != 0) { 850 return; 851 } 852 onVmCreated(env); 853 854 /* 855 * Register android functions. 856 */ 857 if (startReg(env) < 0) { 858 LOGE("Unable to register all android natives\n"); 859 return; 860 } 861 862 /* 863 * We want to call main() with a String array with arguments in it. 864 * At present we have two arguments, the class name and an option string. 865 * Create an array to hold them. 866 */ 867 jclass stringClass; 868 jobjectArray strArray; 869 jstring classNameStr; 870 jstring optionsStr; 871 872 stringClass = env->FindClass("java/lang/String"); 873 assert(stringClass != NULL); 874 strArray = env->NewObjectArray(2, stringClass, NULL); 875 assert(strArray != NULL); 876 classNameStr = env->NewStringUTF(className); 877 assert(classNameStr != NULL); 878 env->SetObjectArrayElement(strArray, 0, classNameStr); 879 optionsStr = env->NewStringUTF(options); 880 env->SetObjectArrayElement(strArray, 1, optionsStr); 881 882 /* 883 * Start VM. This thread becomes the main thread of the VM, and will 884 * not return until the VM exits. 885 */ 886 char* slashClassName = toSlashClassName(className); 887 jclass startClass = env->FindClass(slashClassName); 888 if (startClass == NULL) { 889 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 890 /* keep going */ 891 } else { 892 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 893 "([Ljava/lang/String;)V"); 894 if (startMeth == NULL) { 895 LOGE("JavaVM unable to find main() in '%s'\n", className); 896 /* keep going */ 897 } else { 898 env->CallStaticVoidMethod(startClass, startMeth, strArray); 899 900#if 0 901 if (env->ExceptionCheck()) 902 threadExitUncaughtException(env); 903#endif 904 } 905 } 906 free(slashClassName); 907 908 LOGD("Shutting down VM\n"); 909 if (mJavaVM->DetachCurrentThread() != JNI_OK) 910 LOGW("Warning: unable to detach main thread\n"); 911 if (mJavaVM->DestroyJavaVM() != 0) 912 LOGW("Warning: VM did not shut down cleanly\n"); 913} 914 915void AndroidRuntime::onExit(int code) 916{ 917 LOGV("AndroidRuntime onExit calling exit(%d)", code); 918 exit(code); 919} 920 921void AndroidRuntime::onVmCreated(JNIEnv* env) 922{ 923 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 924} 925 926/* 927 * Get the JNIEnv pointer for this thread. 928 * 929 * Returns NULL if the slot wasn't allocated or populated. 930 */ 931/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 932{ 933 JNIEnv* env; 934 JavaVM* vm = AndroidRuntime::getJavaVM(); 935 assert(vm != NULL); 936 937 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 938 return NULL; 939 return env; 940} 941 942/* 943 * Makes the current thread visible to the VM. 944 * 945 * The JNIEnv pointer returned is only valid for the current thread, and 946 * thus must be tucked into thread-local storage. 947 */ 948static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 949{ 950 JavaVMAttachArgs args; 951 JavaVM* vm; 952 jint result; 953 954 vm = AndroidRuntime::getJavaVM(); 955 assert(vm != NULL); 956 957 args.version = JNI_VERSION_1_4; 958 args.name = (char*) threadName; 959 args.group = NULL; 960 961 result = vm->AttachCurrentThread(pEnv, (void*) &args); 962 if (result != JNI_OK) 963 LOGI("NOTE: attach of thread '%s' failed\n", threadName); 964 965 return result; 966} 967 968/* 969 * Detach the current thread from the set visible to the VM. 970 */ 971static int javaDetachThread(void) 972{ 973 JavaVM* vm; 974 jint result; 975 976 vm = AndroidRuntime::getJavaVM(); 977 assert(vm != NULL); 978 979 result = vm->DetachCurrentThread(); 980 if (result != JNI_OK) 981 LOGE("ERROR: thread detach failed\n"); 982 return result; 983} 984 985/* 986 * When starting a native thread that will be visible from the VM, we 987 * bounce through this to get the right attach/detach action. 988 * Note that this function calls free(args) 989 */ 990/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 991 void* start = ((void**)args)[0]; 992 void* userData = ((void **)args)[1]; 993 char* name = (char*) ((void **)args)[2]; // we own this storage 994 free(args); 995 JNIEnv* env; 996 int result; 997 998 /* hook us into the VM */ 999 if (javaAttachThread(name, &env) != JNI_OK) 1000 return -1; 1001 1002 /* start the thread running */ 1003 result = (*(android_thread_func_t)start)(userData); 1004 1005 /* unhook us */ 1006 javaDetachThread(); 1007 free(name); 1008 1009 return result; 1010} 1011 1012/* 1013 * This is invoked from androidCreateThreadEtc() via the callback 1014 * set with androidSetCreateThreadFunc(). 1015 * 1016 * We need to create the new thread in such a way that it gets hooked 1017 * into the VM before it really starts executing. 1018 */ 1019/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1020 android_thread_func_t entryFunction, 1021 void* userData, 1022 const char* threadName, 1023 int32_t threadPriority, 1024 size_t threadStackSize, 1025 android_thread_id_t* threadId) 1026{ 1027 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1028 int result; 1029 1030 assert(threadName != NULL); 1031 1032 args[0] = (void*) entryFunction; 1033 args[1] = userData; 1034 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1035 1036 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1037 threadName, threadPriority, threadStackSize, threadId); 1038 return result; 1039} 1040 1041/* 1042 * Create a thread that is visible from the VM. 1043 * 1044 * This is called from elsewhere in the library. 1045 */ 1046/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1047 void (*start)(void *), void* arg) 1048{ 1049 android_thread_id_t threadId = 0; 1050 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1051 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1052 return threadId; 1053} 1054 1055#if 0 1056static void quickTest(void* arg) 1057{ 1058 const char* str = (const char*) arg; 1059 1060 printf("In quickTest: %s\n", str); 1061} 1062#endif 1063 1064#ifdef NDEBUG 1065 #define REG_JNI(name) { name } 1066 struct RegJNIRec { 1067 int (*mProc)(JNIEnv*); 1068 }; 1069#else 1070 #define REG_JNI(name) { name, #name } 1071 struct RegJNIRec { 1072 int (*mProc)(JNIEnv*); 1073 const char* mName; 1074 }; 1075#endif 1076 1077typedef void (*RegJAMProc)(); 1078 1079static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1080{ 1081 for (size_t i = 0; i < count; i++) { 1082 if (array[i].mProc(env) < 0) { 1083#ifndef NDEBUG 1084 LOGD("----------!!! %s failed to load\n", array[i].mName); 1085#endif 1086 return -1; 1087 } 1088 } 1089 return 0; 1090} 1091 1092static void register_jam_procs(const RegJAMProc array[], size_t count) 1093{ 1094 for (size_t i = 0; i < count; i++) { 1095 array[i](); 1096 } 1097} 1098 1099static const RegJNIRec gRegJNI[] = { 1100 REG_JNI(register_android_debug_JNITest), 1101 REG_JNI(register_com_android_internal_os_RuntimeInit), 1102 REG_JNI(register_android_os_SystemClock), 1103 REG_JNI(register_android_util_EventLog), 1104 REG_JNI(register_android_util_Log), 1105 REG_JNI(register_android_util_FloatMath), 1106 REG_JNI(register_android_text_format_Time), 1107 REG_JNI(register_android_pim_EventRecurrence), 1108 REG_JNI(register_android_content_AssetManager), 1109 REG_JNI(register_android_content_StringBlock), 1110 REG_JNI(register_android_content_XmlBlock), 1111 REG_JNI(register_android_emoji_EmojiFactory), 1112 REG_JNI(register_android_text_AndroidCharacter), 1113 REG_JNI(register_android_text_AndroidBidi), 1114 REG_JNI(register_android_text_KeyCharacterMap), 1115 REG_JNI(register_android_os_Process), 1116 REG_JNI(register_android_os_SystemProperties), 1117 REG_JNI(register_android_os_Binder), 1118 REG_JNI(register_android_view_Display), 1119 REG_JNI(register_android_nio_utils), 1120 REG_JNI(register_android_graphics_PixelFormat), 1121 REG_JNI(register_android_graphics_Graphics), 1122 REG_JNI(register_android_view_GLES20Canvas), 1123 REG_JNI(register_android_view_Surface), 1124 REG_JNI(register_android_view_TextureView), 1125 REG_JNI(register_android_view_ViewAncestor), 1126 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1127 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1128 REG_JNI(register_android_opengl_jni_GLES10), 1129 REG_JNI(register_android_opengl_jni_GLES10Ext), 1130 REG_JNI(register_android_opengl_jni_GLES11), 1131 REG_JNI(register_android_opengl_jni_GLES11Ext), 1132 REG_JNI(register_android_opengl_jni_GLES20), 1133 1134 REG_JNI(register_android_graphics_Bitmap), 1135 REG_JNI(register_android_graphics_BitmapFactory), 1136 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1137 REG_JNI(register_android_graphics_Camera), 1138 REG_JNI(register_android_graphics_Canvas), 1139 REG_JNI(register_android_graphics_ColorFilter), 1140 REG_JNI(register_android_graphics_DrawFilter), 1141 REG_JNI(register_android_graphics_Interpolator), 1142 REG_JNI(register_android_graphics_LayerRasterizer), 1143 REG_JNI(register_android_graphics_MaskFilter), 1144 REG_JNI(register_android_graphics_Matrix), 1145 REG_JNI(register_android_graphics_Movie), 1146 REG_JNI(register_android_graphics_NinePatch), 1147 REG_JNI(register_android_graphics_Paint), 1148 REG_JNI(register_android_graphics_ParcelSurfaceTexture), 1149 REG_JNI(register_android_graphics_Path), 1150 REG_JNI(register_android_graphics_PathMeasure), 1151 REG_JNI(register_android_graphics_PathEffect), 1152 REG_JNI(register_android_graphics_Picture), 1153 REG_JNI(register_android_graphics_PorterDuff), 1154 REG_JNI(register_android_graphics_Rasterizer), 1155 REG_JNI(register_android_graphics_Region), 1156 REG_JNI(register_android_graphics_Shader), 1157 REG_JNI(register_android_graphics_SurfaceTexture), 1158 REG_JNI(register_android_graphics_Typeface), 1159 REG_JNI(register_android_graphics_Xfermode), 1160 REG_JNI(register_android_graphics_YuvImage), 1161 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1162 1163 REG_JNI(register_android_database_CursorWindow), 1164 REG_JNI(register_android_database_SQLiteCompiledSql), 1165 REG_JNI(register_android_database_SQLiteDatabase), 1166 REG_JNI(register_android_database_SQLiteDebug), 1167 REG_JNI(register_android_database_SQLiteProgram), 1168 REG_JNI(register_android_database_SQLiteQuery), 1169 REG_JNI(register_android_database_SQLiteStatement), 1170 REG_JNI(register_android_os_Debug), 1171 REG_JNI(register_android_os_FileObserver), 1172 REG_JNI(register_android_os_FileUtils), 1173 REG_JNI(register_android_os_MessageQueue), 1174 REG_JNI(register_android_os_ParcelFileDescriptor), 1175 REG_JNI(register_android_os_Power), 1176 REG_JNI(register_android_os_StatFs), 1177 REG_JNI(register_android_os_UEventObserver), 1178 REG_JNI(register_android_net_LocalSocketImpl), 1179 REG_JNI(register_android_net_NetworkUtils), 1180 REG_JNI(register_android_net_TrafficStats), 1181 REG_JNI(register_android_net_wifi_WifiManager), 1182 REG_JNI(register_android_nfc_NdefMessage), 1183 REG_JNI(register_android_nfc_NdefRecord), 1184 REG_JNI(register_android_os_MemoryFile), 1185 REG_JNI(register_com_android_internal_os_ZygoteInit), 1186 REG_JNI(register_android_hardware_Camera), 1187 REG_JNI(register_android_hardware_SensorManager), 1188 REG_JNI(register_android_hardware_UsbDevice), 1189 REG_JNI(register_android_hardware_UsbDeviceConnection), 1190 REG_JNI(register_android_hardware_UsbRequest), 1191 REG_JNI(register_android_media_AudioRecord), 1192 REG_JNI(register_android_media_AudioSystem), 1193 REG_JNI(register_android_media_AudioTrack), 1194 REG_JNI(register_android_media_JetPlayer), 1195 REG_JNI(register_android_media_ToneGenerator), 1196 1197 REG_JNI(register_android_opengl_classes), 1198 REG_JNI(register_android_bluetooth_HeadsetBase), 1199 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1200 REG_JNI(register_android_bluetooth_BluetoothSocket), 1201 REG_JNI(register_android_server_BluetoothService), 1202 REG_JNI(register_android_server_BluetoothEventLoop), 1203 REG_JNI(register_android_server_BluetoothA2dpService), 1204 REG_JNI(register_android_server_Watchdog), 1205 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1206 REG_JNI(register_android_backup_BackupDataInput), 1207 REG_JNI(register_android_backup_BackupDataOutput), 1208 REG_JNI(register_android_backup_FileBackupHelperBase), 1209 REG_JNI(register_android_backup_BackupHelperDispatcher), 1210 REG_JNI(register_android_app_backup_FullBackup), 1211 REG_JNI(register_android_app_ActivityThread), 1212 REG_JNI(register_android_app_NativeActivity), 1213 REG_JNI(register_android_view_InputChannel), 1214 REG_JNI(register_android_view_InputQueue), 1215 REG_JNI(register_android_view_KeyEvent), 1216 REG_JNI(register_android_view_MotionEvent), 1217 REG_JNI(register_android_view_PointerIcon), 1218 REG_JNI(register_android_view_VelocityTracker), 1219 1220 REG_JNI(register_android_content_res_ObbScanner), 1221 REG_JNI(register_android_content_res_Configuration), 1222 1223 REG_JNI(register_android_animation_PropertyValuesHolder), 1224}; 1225 1226/* 1227 * Register android native functions with the VM. 1228 */ 1229/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1230{ 1231 /* 1232 * This hook causes all future threads created in this process to be 1233 * attached to the JavaVM. (This needs to go away in favor of JNI 1234 * Attach calls.) 1235 */ 1236 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1237 1238 LOGV("--- registering native functions ---\n"); 1239 1240 /* 1241 * Every "register" function calls one or more things that return 1242 * a local reference (e.g. FindClass). Because we haven't really 1243 * started the VM yet, they're all getting stored in the base frame 1244 * and never released. Use Push/Pop to manage the storage. 1245 */ 1246 env->PushLocalFrame(200); 1247 1248 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1249 env->PopLocalFrame(NULL); 1250 return -1; 1251 } 1252 env->PopLocalFrame(NULL); 1253 1254 //createJavaThread("fubar", quickTest, (void*) "hello"); 1255 1256 return 0; 1257} 1258 1259AndroidRuntime* AndroidRuntime::getRuntime() 1260{ 1261 return gCurRuntime; 1262} 1263 1264/** 1265 * Used by WithFramework to register native functions. 1266 */ 1267extern "C" 1268jint Java_com_android_internal_util_WithFramework_registerNatives( 1269 JNIEnv* env, jclass clazz) { 1270 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1271} 1272 1273/** 1274 * Used by LoadClass to register native functions. 1275 */ 1276extern "C" 1277jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1278 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1279} 1280 1281} // namespace android 1282