AndroidRuntime.cpp revision 4a627c71ff53a4fca1f961f4b1dcc0461df18a06
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_Path(JNIEnv* env); 109extern int register_android_graphics_PathMeasure(JNIEnv* env); 110extern int register_android_graphics_Picture(JNIEnv*); 111extern int register_android_graphics_PorterDuff(JNIEnv* env); 112extern int register_android_graphics_Rasterizer(JNIEnv* env); 113extern int register_android_graphics_Region(JNIEnv* env); 114extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 115extern int register_android_graphics_Xfermode(JNIEnv* env); 116extern int register_android_graphics_PixelFormat(JNIEnv* env); 117extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 118extern int register_android_view_Display(JNIEnv* env); 119extern int register_android_view_GLES20Canvas(JNIEnv* env); 120extern int register_android_view_Surface(JNIEnv* env); 121extern int register_android_view_TextureView(JNIEnv* env); 122extern int register_android_view_ViewAncestor(JNIEnv* env); 123extern int register_android_database_CursorWindow(JNIEnv* env); 124extern int register_android_database_SQLiteCompiledSql(JNIEnv* env); 125extern int register_android_database_SQLiteDatabase(JNIEnv* env); 126extern int register_android_database_SQLiteDebug(JNIEnv* env); 127extern int register_android_database_SQLiteProgram(JNIEnv* env); 128extern int register_android_database_SQLiteQuery(JNIEnv* env); 129extern int register_android_database_SQLiteStatement(JNIEnv* env); 130extern int register_android_debug_JNITest(JNIEnv* env); 131extern int register_android_nio_utils(JNIEnv* env); 132extern int register_android_nfc_NdefMessage(JNIEnv *env); 133extern int register_android_nfc_NdefRecord(JNIEnv *env); 134extern int register_android_pim_EventRecurrence(JNIEnv* env); 135extern int register_android_text_format_Time(JNIEnv* env); 136extern int register_android_os_Debug(JNIEnv* env); 137extern int register_android_os_MessageQueue(JNIEnv* env); 138extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 139extern int register_android_os_Power(JNIEnv *env); 140extern int register_android_os_StatFs(JNIEnv *env); 141extern int register_android_os_SystemProperties(JNIEnv *env); 142extern int register_android_os_SystemClock(JNIEnv* env); 143extern int register_android_os_FileObserver(JNIEnv *env); 144extern int register_android_os_FileUtils(JNIEnv *env); 145extern int register_android_os_UEventObserver(JNIEnv* env); 146extern int register_android_os_MemoryFile(JNIEnv* env); 147extern int register_android_net_LocalSocketImpl(JNIEnv* env); 148extern int register_android_net_NetworkUtils(JNIEnv* env); 149extern int register_android_net_TrafficStats(JNIEnv* env); 150extern int register_android_net_wifi_WifiManager(JNIEnv* env); 151extern int register_android_text_AndroidCharacter(JNIEnv *env); 152extern int register_android_text_AndroidBidi(JNIEnv *env); 153extern int register_android_text_KeyCharacterMap(JNIEnv *env); 154extern int register_android_opengl_classes(JNIEnv *env); 155extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 156extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 157extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env); 158extern int register_android_server_BluetoothService(JNIEnv* env); 159extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 160extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 161extern int register_android_server_Watchdog(JNIEnv* env); 162extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 163extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 164extern int register_android_backup_BackupDataInput(JNIEnv *env); 165extern int register_android_backup_BackupDataOutput(JNIEnv *env); 166extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 167extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 168extern int register_android_app_backup_FullBackup(JNIEnv *env); 169extern int register_android_app_ActivityThread(JNIEnv *env); 170extern int register_android_app_NativeActivity(JNIEnv *env); 171extern int register_android_view_InputChannel(JNIEnv* env); 172extern int register_android_view_InputQueue(JNIEnv* env); 173extern int register_android_view_KeyEvent(JNIEnv* env); 174extern int register_android_view_MotionEvent(JNIEnv* env); 175extern int register_android_view_PointerIcon(JNIEnv* env); 176extern int register_android_view_VelocityTracker(JNIEnv* env); 177extern int register_android_content_res_ObbScanner(JNIEnv* env); 178extern int register_android_content_res_Configuration(JNIEnv* env); 179extern int register_android_animation_PropertyValuesHolder(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_finishInit(JNIEnv* env, jobject clazz) 193{ 194 gCurRuntime->onStarted(); 195} 196 197static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 198{ 199 gCurRuntime->onZygoteInit(); 200} 201 202static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 203{ 204 return 1; 205} 206 207static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 208{ 209} 210 211static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 212{ 213 char* value = getenv("qwerty"); 214 if (value != NULL && strcmp(value, "true") == 0) { 215 return 1; 216 } 217 218 return 0; 219} 220 221/* 222 * JNI registration. 223 */ 224static JNINativeMethod gMethods[] = { 225 { "finishInit", "()V", 226 (void*) com_android_internal_os_RuntimeInit_finishInit }, 227 { "zygoteInitNative", "()V", 228 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 229 { "isComputerOn", "()I", 230 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 231 { "turnComputerOn", "()V", 232 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 233 { "getQwertyKeyboard", "()I", 234 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 235}; 236 237int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 238{ 239 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 240 gMethods, NELEM(gMethods)); 241} 242 243// ---------------------------------------------------------------------- 244 245/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 246 247 248AndroidRuntime::AndroidRuntime() 249{ 250 SkGraphics::Init(); 251 // this sets our preference for 16bit images during decode 252 // in case the src is opaque and 24bit 253 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 254 // This cache is shared between browser native images, and java "purgeable" 255 // bitmaps. This globalpool is for images that do not either use the java 256 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 257 // java call site. 258 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 259 // There is also a global font cache, but its budget is specified in code 260 // see SkFontHost_android.cpp 261 262 // Pre-allocate enough space to hold a fair number of options. 263 mOptions.setCapacity(20); 264 265 assert(gCurRuntime == NULL); // one per process 266 gCurRuntime = this; 267} 268 269AndroidRuntime::~AndroidRuntime() 270{ 271 SkGraphics::Term(); 272} 273 274/* 275 * Register native methods using JNI. 276 */ 277/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 278 const char* className, const JNINativeMethod* gMethods, int numMethods) 279{ 280 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 281} 282 283status_t AndroidRuntime::callMain(const char* className, 284 jclass clazz, int argc, const char* const argv[]) 285{ 286 JNIEnv* env; 287 jmethodID methodId; 288 289 LOGD("Calling main entry %s", className); 290 291 env = getJNIEnv(); 292 if (clazz == NULL || env == NULL) { 293 return UNKNOWN_ERROR; 294 } 295 296 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 297 if (methodId == NULL) { 298 LOGE("ERROR: could not find method %s.main(String[])\n", className); 299 return UNKNOWN_ERROR; 300 } 301 302 /* 303 * We want to call main() with a String array with our arguments in it. 304 * Create an array and populate it. 305 */ 306 jclass stringClass; 307 jobjectArray strArray; 308 309 stringClass = env->FindClass("java/lang/String"); 310 strArray = env->NewObjectArray(argc, stringClass, NULL); 311 312 for (int i = 0; i < argc; i++) { 313 jstring argStr = env->NewStringUTF(argv[i]); 314 env->SetObjectArrayElement(strArray, i, argStr); 315 } 316 317 env->CallStaticVoidMethod(clazz, methodId, strArray); 318 return NO_ERROR; 319} 320 321/* 322 * The VM calls this through the "exit" hook. 323 */ 324static void runtime_exit(int code) 325{ 326 gCurRuntime->onExit(code); 327 exit(code); 328} 329 330/* 331 * The VM calls this through the "vfprintf" hook. 332 * 333 * We ignore "fp" and just write the results to the log file. 334 */ 335static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 336{ 337 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 338} 339 340/** 341 * The VM calls this when mutex contention debugging is enabled to 342 * determine whether or not the blocked thread was a "sensitive thread" 343 * for user responsiveness/smoothess. 344 * 345 * Our policy for this is whether or not we're tracing any StrictMode 346 * events on this thread (which we might've inherited via Binder calls 347 * into us) 348 */ 349static bool runtime_isSensitiveThread() { 350 IPCThreadState* state = IPCThreadState::selfOrNull(); 351 return state && state->getStrictModePolicy() != 0; 352} 353 354 355/** 356 * Add VM arguments to the to-be-executed VM 357 * Stops at first non '-' argument (also stops at an argument of '--') 358 * Returns the number of args consumed 359 */ 360int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 361{ 362 int i; 363 364 for (i = 0; i<argc; i++) { 365 if (argv[i][0] != '-') { 366 return i; 367 } 368 if (argv[i][1] == '-' && argv[i][2] == 0) { 369 return i+1; 370 } 371 372 JavaVMOption opt; 373 memset(&opt, 0, sizeof(opt)); 374 opt.optionString = (char*)argv[i]; 375 mOptions.add(opt); 376 } 377 return i; 378} 379 380static int hasDir(const char* dir) 381{ 382 struct stat s; 383 int res = stat(dir, &s); 384 if (res == 0) { 385 return S_ISDIR(s.st_mode); 386 } 387 return 0; 388} 389 390/* 391 * We just want failed write() calls to just return with an error. 392 */ 393static void blockSigpipe() 394{ 395 sigset_t mask; 396 397 sigemptyset(&mask); 398 sigaddset(&mask, SIGPIPE); 399 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 400 LOGW("WARNING: SIGPIPE not blocked\n"); 401} 402 403/* 404 * Read the persistent locale. 405 */ 406static void readLocale(char* language, char* region) 407{ 408 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 409 410 property_get("persist.sys.language", propLang, ""); 411 property_get("persist.sys.country", propRegn, ""); 412 if (*propLang == 0 && *propRegn == 0) { 413 /* Set to ro properties, default is en_US */ 414 property_get("ro.product.locale.language", propLang, "en"); 415 property_get("ro.product.locale.region", propRegn, "US"); 416 } 417 strncat(language, propLang, 2); 418 strncat(region, propRegn, 2); 419 //LOGD("language=%s region=%s\n", language, region); 420} 421 422/* 423 * Parse a property containing space-separated options that should be 424 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 425 * 426 * This will cut up "extraOptsBuf" as we chop it into individual options. 427 * 428 * Adds the strings, if any, to mOptions. 429 */ 430void AndroidRuntime::parseExtraOpts(char* extraOptsBuf) 431{ 432 JavaVMOption opt; 433 char* start; 434 char* end; 435 436 memset(&opt, 0, sizeof(opt)); 437 start = extraOptsBuf; 438 while (*start != '\0') { 439 while (*start == ' ') /* skip leading whitespace */ 440 start++; 441 if (*start == '\0') /* was trailing ws, bail */ 442 break; 443 444 end = start+1; 445 while (*end != ' ' && *end != '\0') /* find end of token */ 446 end++; 447 if (*end == ' ') 448 *end++ = '\0'; /* mark end, advance to indicate more */ 449 450 opt.optionString = start; 451 mOptions.add(opt); 452 start = end; 453 } 454} 455 456/* 457 * Start the Dalvik Virtual Machine. 458 * 459 * Various arguments, most determined by system properties, are passed in. 460 * The "mOptions" vector is updated. 461 * 462 * Returns 0 on success. 463 */ 464int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 465{ 466 int result = -1; 467 JavaVMInitArgs initArgs; 468 JavaVMOption opt; 469 char propBuf[PROPERTY_VALUE_MAX]; 470 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 471 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 472 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 473 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 474 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 475 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 476 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 477 char extraOptsBuf[PROPERTY_VALUE_MAX]; 478 char* stackTraceFile = NULL; 479 bool checkJni = false; 480 bool checkDexSum = false; 481 bool logStdio = false; 482 enum { 483 kEMDefault, 484 kEMIntPortable, 485 kEMIntFast, 486#if defined(WITH_JIT) 487 kEMJitCompiler, 488#endif 489 } executionMode = kEMDefault; 490 491 492 property_get("dalvik.vm.checkjni", propBuf, ""); 493 if (strcmp(propBuf, "true") == 0) { 494 checkJni = true; 495 } else if (strcmp(propBuf, "false") != 0) { 496 /* property is neither true nor false; fall back on kernel parameter */ 497 property_get("ro.kernel.android.checkjni", propBuf, ""); 498 if (propBuf[0] == '1') { 499 checkJni = true; 500 } 501 } 502 503 property_get("dalvik.vm.execution-mode", propBuf, ""); 504 if (strcmp(propBuf, "int:portable") == 0) { 505 executionMode = kEMIntPortable; 506 } else if (strcmp(propBuf, "int:fast") == 0) { 507 executionMode = kEMIntFast; 508#if defined(WITH_JIT) 509 } else if (strcmp(propBuf, "int:jit") == 0) { 510 executionMode = kEMJitCompiler; 511#endif 512 } 513 514 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 515 516 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 517 if (strcmp(propBuf, "true") == 0) { 518 checkDexSum = true; 519 } 520 521 property_get("log.redirect-stdio", propBuf, ""); 522 if (strcmp(propBuf, "true") == 0) { 523 logStdio = true; 524 } 525 526 strcpy(enableAssertBuf, "-ea:"); 527 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 528 529 strcpy(jniOptsBuf, "-Xjniopts:"); 530 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 531 532 /* route exit() to our handler */ 533 opt.extraInfo = (void*) runtime_exit; 534 opt.optionString = "exit"; 535 mOptions.add(opt); 536 537 /* route fprintf() to our handler */ 538 opt.extraInfo = (void*) runtime_vfprintf; 539 opt.optionString = "vfprintf"; 540 mOptions.add(opt); 541 542 /* register the framework-specific "is sensitive thread" hook */ 543 opt.extraInfo = (void*) runtime_isSensitiveThread; 544 opt.optionString = "sensitiveThread"; 545 mOptions.add(opt); 546 547 opt.extraInfo = NULL; 548 549 /* enable verbose; standard options are { jni, gc, class } */ 550 //options[curOpt++].optionString = "-verbose:jni"; 551 opt.optionString = "-verbose:gc"; 552 mOptions.add(opt); 553 //options[curOpt++].optionString = "-verbose:class"; 554 555 /* 556 * The default starting and maximum size of the heap. Larger 557 * values should be specified in a product property override. 558 */ 559 strcpy(heapstartsizeOptsBuf, "-Xms"); 560 property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m"); 561 opt.optionString = heapstartsizeOptsBuf; 562 mOptions.add(opt); 563 strcpy(heapsizeOptsBuf, "-Xmx"); 564 property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m"); 565 opt.optionString = heapsizeOptsBuf; 566 mOptions.add(opt); 567 568 strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 569 property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, ""); 570 if (heapgrowthlimitOptsBuf[20] != '\0') { 571 opt.optionString = heapgrowthlimitOptsBuf; 572 mOptions.add(opt); 573 } 574 575 /* 576 * Enable or disable dexopt features, such as bytecode verification and 577 * calculation of register maps for precise GC. 578 */ 579 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 580 if (dexoptFlagsBuf[0] != '\0') { 581 const char* opc; 582 const char* val; 583 584 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 585 if (opc != NULL) { 586 switch (*(opc+2)) { 587 case 'n': val = "-Xverify:none"; break; 588 case 'r': val = "-Xverify:remote"; break; 589 case 'a': val = "-Xverify:all"; break; 590 default: val = NULL; break; 591 } 592 593 if (val != NULL) { 594 opt.optionString = val; 595 mOptions.add(opt); 596 } 597 } 598 599 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 600 if (opc != NULL) { 601 switch (*(opc+2)) { 602 case 'n': val = "-Xdexopt:none"; break; 603 case 'v': val = "-Xdexopt:verified"; break; 604 case 'a': val = "-Xdexopt:all"; break; 605 case 'f': val = "-Xdexopt:full"; break; 606 default: val = NULL; break; 607 } 608 609 if (val != NULL) { 610 opt.optionString = val; 611 mOptions.add(opt); 612 } 613 } 614 615 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 616 if (opc != NULL) { 617 opt.optionString = "-Xgenregmap"; 618 mOptions.add(opt); 619 620 /* turn on precise GC while we're at it */ 621 opt.optionString = "-Xgc:precise"; 622 mOptions.add(opt); 623 } 624 } 625 626 /* enable debugging; set suspend=y to pause during VM init */ 627#ifdef HAVE_ANDROID_OS 628 /* use android ADB transport */ 629 opt.optionString = 630 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 631#else 632 /* use TCP socket; address=0 means start at port 8000 and probe up */ 633 LOGI("Using TCP socket for JDWP\n"); 634 opt.optionString = 635 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 636#endif 637 mOptions.add(opt); 638 639 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 640 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 641 if (strlen(propBuf) > 0) { 642 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 643 strcat(enableDPBuf, propBuf); 644 opt.optionString = enableDPBuf; 645 mOptions.add(opt); 646 } 647 648 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 649 if (checkJni) { 650 /* extended JNI checking */ 651 opt.optionString = "-Xcheck:jni"; 652 mOptions.add(opt); 653 654 /* set a cap on JNI global references */ 655 opt.optionString = "-Xjnigreflimit:2000"; 656 mOptions.add(opt); 657 658 /* with -Xcheck:jni, this provides a JNI function call trace */ 659 //opt.optionString = "-verbose:jni"; 660 //mOptions.add(opt); 661 } 662 663 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)]; 664 property_get("dalvik.vm.lockprof.threshold", propBuf, ""); 665 if (strlen(propBuf) > 0) { 666 strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:"); 667 strcat(lockProfThresholdBuf, propBuf); 668 opt.optionString = lockProfThresholdBuf; 669 mOptions.add(opt); 670 } 671 672#if defined(WITH_JIT) 673 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 674 char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX]; 675 property_get("dalvik.vm.jit.op", propBuf, ""); 676 if (strlen(propBuf) > 0) { 677 strcpy(jitOpBuf, "-Xjitop:"); 678 strcat(jitOpBuf, propBuf); 679 opt.optionString = jitOpBuf; 680 mOptions.add(opt); 681 } 682 683 /* Force interpreter-only mode for selected methods */ 684 char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX]; 685 property_get("dalvik.vm.jit.method", propBuf, ""); 686 if (strlen(propBuf) > 0) { 687 strcpy(jitMethodBuf, "-Xjitmethod:"); 688 strcat(jitMethodBuf, propBuf); 689 opt.optionString = jitMethodBuf; 690 mOptions.add(opt); 691 } 692#endif 693 694 if (executionMode == kEMIntPortable) { 695 opt.optionString = "-Xint:portable"; 696 mOptions.add(opt); 697 } else if (executionMode == kEMIntFast) { 698 opt.optionString = "-Xint:fast"; 699 mOptions.add(opt); 700#if defined(WITH_JIT) 701 } else if (executionMode == kEMJitCompiler) { 702 opt.optionString = "-Xint:jit"; 703 mOptions.add(opt); 704#endif 705 } 706 707 if (checkDexSum) { 708 /* perform additional DEX checksum tests */ 709 opt.optionString = "-Xcheckdexsum"; 710 mOptions.add(opt); 711 } 712 713 if (logStdio) { 714 /* convert stdout/stderr to log messages */ 715 opt.optionString = "-Xlog-stdio"; 716 mOptions.add(opt); 717 } 718 719 if (enableAssertBuf[4] != '\0') { 720 /* accept "all" to mean "all classes and packages" */ 721 if (strcmp(enableAssertBuf+4, "all") == 0) 722 enableAssertBuf[3] = '\0'; 723 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 724 opt.optionString = enableAssertBuf; 725 mOptions.add(opt); 726 } else { 727 LOGV("Assertions disabled\n"); 728 } 729 730 if (jniOptsBuf[10] != '\0') { 731 LOGI("JNI options: '%s'\n", jniOptsBuf); 732 opt.optionString = jniOptsBuf; 733 mOptions.add(opt); 734 } 735 736 if (stackTraceFileBuf[0] != '\0') { 737 static const char* stfOptName = "-Xstacktracefile:"; 738 739 stackTraceFile = (char*) malloc(strlen(stfOptName) + 740 strlen(stackTraceFileBuf) +1); 741 strcpy(stackTraceFile, stfOptName); 742 strcat(stackTraceFile, stackTraceFileBuf); 743 opt.optionString = stackTraceFile; 744 mOptions.add(opt); 745 } 746 747 /* extra options; parse this late so it overrides others */ 748 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 749 parseExtraOpts(extraOptsBuf); 750 751 /* Set the properties for locale */ 752 { 753 char langOption[sizeof("-Duser.language=") + 3]; 754 char regionOption[sizeof("-Duser.region=") + 3]; 755 strcpy(langOption, "-Duser.language="); 756 strcpy(regionOption, "-Duser.region="); 757 readLocale(langOption, regionOption); 758 opt.extraInfo = NULL; 759 opt.optionString = langOption; 760 mOptions.add(opt); 761 opt.optionString = regionOption; 762 mOptions.add(opt); 763 } 764 765 /* 766 * We don't have /tmp on the device, but we often have an SD card. Apps 767 * shouldn't use this, but some test suites might want to exercise it. 768 */ 769 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 770 mOptions.add(opt); 771 772 initArgs.version = JNI_VERSION_1_4; 773 initArgs.options = mOptions.editArray(); 774 initArgs.nOptions = mOptions.size(); 775 initArgs.ignoreUnrecognized = JNI_FALSE; 776 777 /* 778 * Initialize the VM. 779 * 780 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 781 * If this call succeeds, the VM is ready, and we can start issuing 782 * JNI calls. 783 */ 784 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 785 LOGE("JNI_CreateJavaVM failed\n"); 786 goto bail; 787 } 788 789 result = 0; 790 791bail: 792 free(stackTraceFile); 793 return result; 794} 795 796char* AndroidRuntime::toSlashClassName(const char* className) 797{ 798 char* result = strdup(className); 799 for (char* cp = result; *cp != '\0'; cp++) { 800 if (*cp == '.') { 801 *cp = '/'; 802 } 803 } 804 return result; 805} 806 807/* 808 * Start the Android runtime. This involves starting the virtual machine 809 * and calling the "static void main(String[] args)" method in the class 810 * named by "className". 811 */ 812void AndroidRuntime::start(const char* className, const bool startSystemServer) 813{ 814 LOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 815 className != NULL ? className : "(unknown)"); 816 817 blockSigpipe(); 818 819 /* 820 * 'startSystemServer == true' means runtime is obsolete and not run from 821 * init.rc anymore, so we print out the boot start event here. 822 */ 823 if (startSystemServer) { 824 /* track our progress through the boot sequence */ 825 const int LOG_BOOT_PROGRESS_START = 3000; 826 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 827 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 828 } 829 830 const char* rootDir = getenv("ANDROID_ROOT"); 831 if (rootDir == NULL) { 832 rootDir = "/system"; 833 if (!hasDir("/system")) { 834 LOG_FATAL("No root directory specified, and /android does not exist."); 835 return; 836 } 837 setenv("ANDROID_ROOT", rootDir, 1); 838 } 839 840 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 841 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 842 843 /* start the virtual machine */ 844 JNIEnv* env; 845 if (startVm(&mJavaVM, &env) != 0) { 846 return; 847 } 848 onVmCreated(env); 849 850 /* 851 * Register android functions. 852 */ 853 if (startReg(env) < 0) { 854 LOGE("Unable to register all android natives\n"); 855 return; 856 } 857 858 /* 859 * We want to call main() with a String array with arguments in it. 860 * At present we only have one argument, the class name. Create an 861 * array to hold it. 862 */ 863 jclass stringClass; 864 jobjectArray strArray; 865 jstring classNameStr; 866 jstring startSystemServerStr; 867 868 stringClass = env->FindClass("java/lang/String"); 869 assert(stringClass != NULL); 870 strArray = env->NewObjectArray(2, stringClass, NULL); 871 assert(strArray != NULL); 872 classNameStr = env->NewStringUTF(className); 873 assert(classNameStr != NULL); 874 env->SetObjectArrayElement(strArray, 0, classNameStr); 875 startSystemServerStr = env->NewStringUTF(startSystemServer ? 876 "true" : "false"); 877 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 878 879 /* 880 * Start VM. This thread becomes the main thread of the VM, and will 881 * not return until the VM exits. 882 */ 883 char* slashClassName = toSlashClassName(className); 884 jclass startClass = env->FindClass(slashClassName); 885 if (startClass == NULL) { 886 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 887 /* keep going */ 888 } else { 889 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 890 "([Ljava/lang/String;)V"); 891 if (startMeth == NULL) { 892 LOGE("JavaVM unable to find main() in '%s'\n", className); 893 /* keep going */ 894 } else { 895 env->CallStaticVoidMethod(startClass, startMeth, strArray); 896 897#if 0 898 if (env->ExceptionCheck()) 899 threadExitUncaughtException(env); 900#endif 901 } 902 } 903 free(slashClassName); 904 905 LOGD("Shutting down VM\n"); 906 if (mJavaVM->DetachCurrentThread() != JNI_OK) 907 LOGW("Warning: unable to detach main thread\n"); 908 if (mJavaVM->DestroyJavaVM() != 0) 909 LOGW("Warning: VM did not shut down cleanly\n"); 910} 911 912void AndroidRuntime::start() 913{ 914 start("com.android.internal.os.RuntimeInit", 915 false /* Don't start the system server */); 916} 917 918void AndroidRuntime::onExit(int code) 919{ 920 LOGV("AndroidRuntime onExit calling exit(%d)", code); 921 exit(code); 922} 923 924void AndroidRuntime::onVmCreated(JNIEnv* env) 925{ 926 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 927} 928 929/* 930 * Get the JNIEnv pointer for this thread. 931 * 932 * Returns NULL if the slot wasn't allocated or populated. 933 */ 934/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 935{ 936 JNIEnv* env; 937 JavaVM* vm = AndroidRuntime::getJavaVM(); 938 assert(vm != NULL); 939 940 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 941 return NULL; 942 return env; 943} 944 945/* 946 * Makes the current thread visible to the VM. 947 * 948 * The JNIEnv pointer returned is only valid for the current thread, and 949 * thus must be tucked into thread-local storage. 950 */ 951static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 952{ 953 JavaVMAttachArgs args; 954 JavaVM* vm; 955 jint result; 956 957 vm = AndroidRuntime::getJavaVM(); 958 assert(vm != NULL); 959 960 args.version = JNI_VERSION_1_4; 961 args.name = (char*) threadName; 962 args.group = NULL; 963 964 result = vm->AttachCurrentThread(pEnv, (void*) &args); 965 if (result != JNI_OK) 966 LOGI("NOTE: attach of thread '%s' failed\n", threadName); 967 968 return result; 969} 970 971/* 972 * Detach the current thread from the set visible to the VM. 973 */ 974static int javaDetachThread(void) 975{ 976 JavaVM* vm; 977 jint result; 978 979 vm = AndroidRuntime::getJavaVM(); 980 assert(vm != NULL); 981 982 result = vm->DetachCurrentThread(); 983 if (result != JNI_OK) 984 LOGE("ERROR: thread detach failed\n"); 985 return result; 986} 987 988/* 989 * When starting a native thread that will be visible from the VM, we 990 * bounce through this to get the right attach/detach action. 991 * Note that this function calls free(args) 992 */ 993/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 994 void* start = ((void**)args)[0]; 995 void* userData = ((void **)args)[1]; 996 char* name = (char*) ((void **)args)[2]; // we own this storage 997 free(args); 998 JNIEnv* env; 999 int result; 1000 1001 /* hook us into the VM */ 1002 if (javaAttachThread(name, &env) != JNI_OK) 1003 return -1; 1004 1005 /* start the thread running */ 1006 result = (*(android_thread_func_t)start)(userData); 1007 1008 /* unhook us */ 1009 javaDetachThread(); 1010 free(name); 1011 1012 return result; 1013} 1014 1015/* 1016 * This is invoked from androidCreateThreadEtc() via the callback 1017 * set with androidSetCreateThreadFunc(). 1018 * 1019 * We need to create the new thread in such a way that it gets hooked 1020 * into the VM before it really starts executing. 1021 */ 1022/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1023 android_thread_func_t entryFunction, 1024 void* userData, 1025 const char* threadName, 1026 int32_t threadPriority, 1027 size_t threadStackSize, 1028 android_thread_id_t* threadId) 1029{ 1030 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1031 int result; 1032 1033 assert(threadName != NULL); 1034 1035 args[0] = (void*) entryFunction; 1036 args[1] = userData; 1037 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1038 1039 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1040 threadName, threadPriority, threadStackSize, threadId); 1041 return result; 1042} 1043 1044/* 1045 * Create a thread that is visible from the VM. 1046 * 1047 * This is called from elsewhere in the library. 1048 */ 1049/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1050 void (*start)(void *), void* arg) 1051{ 1052 android_thread_id_t threadId = 0; 1053 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1054 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1055 return threadId; 1056} 1057 1058#if 0 1059static void quickTest(void* arg) 1060{ 1061 const char* str = (const char*) arg; 1062 1063 printf("In quickTest: %s\n", str); 1064} 1065#endif 1066 1067#ifdef NDEBUG 1068 #define REG_JNI(name) { name } 1069 struct RegJNIRec { 1070 int (*mProc)(JNIEnv*); 1071 }; 1072#else 1073 #define REG_JNI(name) { name, #name } 1074 struct RegJNIRec { 1075 int (*mProc)(JNIEnv*); 1076 const char* mName; 1077 }; 1078#endif 1079 1080typedef void (*RegJAMProc)(); 1081 1082static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1083{ 1084 for (size_t i = 0; i < count; i++) { 1085 if (array[i].mProc(env) < 0) { 1086#ifndef NDEBUG 1087 LOGD("----------!!! %s failed to load\n", array[i].mName); 1088#endif 1089 return -1; 1090 } 1091 } 1092 return 0; 1093} 1094 1095static void register_jam_procs(const RegJAMProc array[], size_t count) 1096{ 1097 for (size_t i = 0; i < count; i++) { 1098 array[i](); 1099 } 1100} 1101 1102static const RegJNIRec gRegJNI[] = { 1103 REG_JNI(register_android_debug_JNITest), 1104 REG_JNI(register_com_android_internal_os_RuntimeInit), 1105 REG_JNI(register_android_os_SystemClock), 1106 REG_JNI(register_android_util_EventLog), 1107 REG_JNI(register_android_util_Log), 1108 REG_JNI(register_android_util_FloatMath), 1109 REG_JNI(register_android_text_format_Time), 1110 REG_JNI(register_android_pim_EventRecurrence), 1111 REG_JNI(register_android_content_AssetManager), 1112 REG_JNI(register_android_content_StringBlock), 1113 REG_JNI(register_android_content_XmlBlock), 1114 REG_JNI(register_android_emoji_EmojiFactory), 1115 REG_JNI(register_android_text_AndroidCharacter), 1116 REG_JNI(register_android_text_AndroidBidi), 1117 REG_JNI(register_android_text_KeyCharacterMap), 1118 REG_JNI(register_android_os_Process), 1119 REG_JNI(register_android_os_SystemProperties), 1120 REG_JNI(register_android_os_Binder), 1121 REG_JNI(register_android_view_Display), 1122 REG_JNI(register_android_nio_utils), 1123 REG_JNI(register_android_graphics_PixelFormat), 1124 REG_JNI(register_android_graphics_Graphics), 1125 REG_JNI(register_android_view_GLES20Canvas), 1126 REG_JNI(register_android_view_Surface), 1127 REG_JNI(register_android_view_TextureView), 1128 REG_JNI(register_android_view_ViewAncestor), 1129 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1130 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1131 REG_JNI(register_android_opengl_jni_GLES10), 1132 REG_JNI(register_android_opengl_jni_GLES10Ext), 1133 REG_JNI(register_android_opengl_jni_GLES11), 1134 REG_JNI(register_android_opengl_jni_GLES11Ext), 1135 REG_JNI(register_android_opengl_jni_GLES20), 1136 1137 REG_JNI(register_android_graphics_Bitmap), 1138 REG_JNI(register_android_graphics_BitmapFactory), 1139 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1140 REG_JNI(register_android_graphics_Camera), 1141 REG_JNI(register_android_graphics_Canvas), 1142 REG_JNI(register_android_graphics_ColorFilter), 1143 REG_JNI(register_android_graphics_DrawFilter), 1144 REG_JNI(register_android_graphics_Interpolator), 1145 REG_JNI(register_android_graphics_LayerRasterizer), 1146 REG_JNI(register_android_graphics_MaskFilter), 1147 REG_JNI(register_android_graphics_Matrix), 1148 REG_JNI(register_android_graphics_Movie), 1149 REG_JNI(register_android_graphics_NinePatch), 1150 REG_JNI(register_android_graphics_Paint), 1151 REG_JNI(register_android_graphics_Path), 1152 REG_JNI(register_android_graphics_PathMeasure), 1153 REG_JNI(register_android_graphics_PathEffect), 1154 REG_JNI(register_android_graphics_Picture), 1155 REG_JNI(register_android_graphics_PorterDuff), 1156 REG_JNI(register_android_graphics_Rasterizer), 1157 REG_JNI(register_android_graphics_Region), 1158 REG_JNI(register_android_graphics_Shader), 1159 REG_JNI(register_android_graphics_SurfaceTexture), 1160 REG_JNI(register_android_graphics_Typeface), 1161 REG_JNI(register_android_graphics_Xfermode), 1162 REG_JNI(register_android_graphics_YuvImage), 1163 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1164 1165 REG_JNI(register_android_database_CursorWindow), 1166 REG_JNI(register_android_database_SQLiteCompiledSql), 1167 REG_JNI(register_android_database_SQLiteDatabase), 1168 REG_JNI(register_android_database_SQLiteDebug), 1169 REG_JNI(register_android_database_SQLiteProgram), 1170 REG_JNI(register_android_database_SQLiteQuery), 1171 REG_JNI(register_android_database_SQLiteStatement), 1172 REG_JNI(register_android_os_Debug), 1173 REG_JNI(register_android_os_FileObserver), 1174 REG_JNI(register_android_os_FileUtils), 1175 REG_JNI(register_android_os_MessageQueue), 1176 REG_JNI(register_android_os_ParcelFileDescriptor), 1177 REG_JNI(register_android_os_Power), 1178 REG_JNI(register_android_os_StatFs), 1179 REG_JNI(register_android_os_UEventObserver), 1180 REG_JNI(register_android_net_LocalSocketImpl), 1181 REG_JNI(register_android_net_NetworkUtils), 1182 REG_JNI(register_android_net_TrafficStats), 1183 REG_JNI(register_android_net_wifi_WifiManager), 1184 REG_JNI(register_android_nfc_NdefMessage), 1185 REG_JNI(register_android_nfc_NdefRecord), 1186 REG_JNI(register_android_os_MemoryFile), 1187 REG_JNI(register_com_android_internal_os_ZygoteInit), 1188 REG_JNI(register_android_hardware_Camera), 1189 REG_JNI(register_android_hardware_SensorManager), 1190 REG_JNI(register_android_hardware_UsbDevice), 1191 REG_JNI(register_android_hardware_UsbDeviceConnection), 1192 REG_JNI(register_android_hardware_UsbRequest), 1193 REG_JNI(register_android_media_AudioRecord), 1194 REG_JNI(register_android_media_AudioSystem), 1195 REG_JNI(register_android_media_AudioTrack), 1196 REG_JNI(register_android_media_JetPlayer), 1197 REG_JNI(register_android_media_ToneGenerator), 1198 1199 REG_JNI(register_android_opengl_classes), 1200 REG_JNI(register_android_bluetooth_HeadsetBase), 1201 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1202 REG_JNI(register_android_bluetooth_BluetoothSocket), 1203 REG_JNI(register_android_server_BluetoothService), 1204 REG_JNI(register_android_server_BluetoothEventLoop), 1205 REG_JNI(register_android_server_BluetoothA2dpService), 1206 REG_JNI(register_android_server_Watchdog), 1207 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1208 REG_JNI(register_android_backup_BackupDataInput), 1209 REG_JNI(register_android_backup_BackupDataOutput), 1210 REG_JNI(register_android_backup_FileBackupHelperBase), 1211 REG_JNI(register_android_backup_BackupHelperDispatcher), 1212 REG_JNI(register_android_app_backup_FullBackup), 1213 REG_JNI(register_android_app_ActivityThread), 1214 REG_JNI(register_android_app_NativeActivity), 1215 REG_JNI(register_android_view_InputChannel), 1216 REG_JNI(register_android_view_InputQueue), 1217 REG_JNI(register_android_view_KeyEvent), 1218 REG_JNI(register_android_view_MotionEvent), 1219 REG_JNI(register_android_view_PointerIcon), 1220 REG_JNI(register_android_view_VelocityTracker), 1221 1222 REG_JNI(register_android_content_res_ObbScanner), 1223 REG_JNI(register_android_content_res_Configuration), 1224 1225 REG_JNI(register_android_animation_PropertyValuesHolder), 1226}; 1227 1228/* 1229 * Register android native functions with the VM. 1230 */ 1231/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1232{ 1233 /* 1234 * This hook causes all future threads created in this process to be 1235 * attached to the JavaVM. (This needs to go away in favor of JNI 1236 * Attach calls.) 1237 */ 1238 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1239 1240 LOGV("--- registering native functions ---\n"); 1241 1242 /* 1243 * Every "register" function calls one or more things that return 1244 * a local reference (e.g. FindClass). Because we haven't really 1245 * started the VM yet, they're all getting stored in the base frame 1246 * and never released. Use Push/Pop to manage the storage. 1247 */ 1248 env->PushLocalFrame(200); 1249 1250 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1251 env->PopLocalFrame(NULL); 1252 return -1; 1253 } 1254 env->PopLocalFrame(NULL); 1255 1256 //createJavaThread("fubar", quickTest, (void*) "hello"); 1257 1258 return 0; 1259} 1260 1261AndroidRuntime* AndroidRuntime::getRuntime() 1262{ 1263 return gCurRuntime; 1264} 1265 1266/** 1267 * Used by WithFramework to register native functions. 1268 */ 1269extern "C" 1270jint Java_com_android_internal_util_WithFramework_registerNatives( 1271 JNIEnv* env, jclass clazz) { 1272 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1273} 1274 1275/** 1276 * Used by LoadClass to register native functions. 1277 */ 1278extern "C" 1279jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1280 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1281} 1282 1283} // namespace android 1284