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_EGL14(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); 77 78extern int register_android_hardware_Camera(JNIEnv *env); 79extern int register_android_hardware_SensorManager(JNIEnv *env); 80extern int register_android_hardware_SerialPort(JNIEnv *env); 81extern int register_android_hardware_UsbDevice(JNIEnv *env); 82extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env); 83extern int register_android_hardware_UsbRequest(JNIEnv *env); 84 85extern int register_android_media_AudioRecord(JNIEnv *env); 86extern int register_android_media_AudioSystem(JNIEnv *env); 87extern int register_android_media_AudioTrack(JNIEnv *env); 88extern int register_android_media_JetPlayer(JNIEnv *env); 89extern int register_android_media_ToneGenerator(JNIEnv *env); 90 91extern int register_android_util_FloatMath(JNIEnv* env); 92 93namespace android { 94 95/* 96 * JNI-based registration functions. Note these are properly contained in 97 * namespace android. 98 */ 99extern int register_android_content_AssetManager(JNIEnv* env); 100extern int register_android_util_EventLog(JNIEnv* env); 101extern int register_android_util_Log(JNIEnv* env); 102extern int register_android_content_StringBlock(JNIEnv* env); 103extern int register_android_content_XmlBlock(JNIEnv* env); 104extern int register_android_emoji_EmojiFactory(JNIEnv* env); 105extern int register_android_graphics_Canvas(JNIEnv* env); 106extern int register_android_graphics_ColorFilter(JNIEnv* env); 107extern int register_android_graphics_DrawFilter(JNIEnv* env); 108extern int register_android_graphics_Matrix(JNIEnv* env); 109extern int register_android_graphics_Paint(JNIEnv* env); 110extern int register_android_graphics_Path(JNIEnv* env); 111extern int register_android_graphics_PathMeasure(JNIEnv* env); 112extern int register_android_graphics_Picture(JNIEnv*); 113extern int register_android_graphics_PorterDuff(JNIEnv* env); 114extern int register_android_graphics_Rasterizer(JNIEnv* env); 115extern int register_android_graphics_Region(JNIEnv* env); 116extern int register_android_graphics_SurfaceTexture(JNIEnv* env); 117extern int register_android_graphics_Xfermode(JNIEnv* env); 118extern int register_android_graphics_PixelFormat(JNIEnv* env); 119extern int register_android_view_DisplayEventReceiver(JNIEnv* env); 120extern int register_android_view_GLES20DisplayList(JNIEnv* env); 121extern int register_android_view_GLES20Canvas(JNIEnv* env); 122extern int register_android_view_HardwareRenderer(JNIEnv* env); 123extern int register_android_view_Surface(JNIEnv* env); 124extern int register_android_view_SurfaceSession(JNIEnv* env); 125extern int register_android_view_TextureView(JNIEnv* env); 126extern int register_android_database_CursorWindow(JNIEnv* env); 127extern int register_android_database_SQLiteConnection(JNIEnv* env); 128extern int register_android_database_SQLiteGlobal(JNIEnv* env); 129extern int register_android_database_SQLiteDebug(JNIEnv* env); 130extern int register_android_debug_JNITest(JNIEnv* env); 131extern int register_android_nio_utils(JNIEnv* env); 132extern int register_android_text_format_Time(JNIEnv* env); 133extern int register_android_os_Debug(JNIEnv* env); 134extern int register_android_os_MessageQueue(JNIEnv* env); 135extern int register_android_os_Parcel(JNIEnv* env); 136extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 137extern int register_android_os_SELinux(JNIEnv* env); 138extern int register_android_os_SystemProperties(JNIEnv *env); 139extern int register_android_os_SystemClock(JNIEnv* env); 140extern int register_android_os_Trace(JNIEnv* env); 141extern int register_android_os_FileObserver(JNIEnv *env); 142extern int register_android_os_FileUtils(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_WifiManager(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_KeyCharacterMap(JNIEnv *env); 168extern int register_android_view_KeyEvent(JNIEnv* env); 169extern int register_android_view_MotionEvent(JNIEnv* env); 170extern int register_android_view_PointerIcon(JNIEnv* env); 171extern int register_android_view_VelocityTracker(JNIEnv* env); 172extern int register_android_content_res_ObbScanner(JNIEnv* env); 173extern int register_android_content_res_Configuration(JNIEnv* env); 174extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 175extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 176 177static AndroidRuntime* gCurRuntime = NULL; 178 179static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 180{ 181 if (jniThrowException(env, exc, msg) != 0) 182 assert(false); 183} 184 185/* 186 * Code written in the Java Programming Language calls here from main(). 187 */ 188static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz) 189{ 190 gCurRuntime->onStarted(); 191} 192 193static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz) 194{ 195 gCurRuntime->onZygoteInit(); 196} 197 198static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env, 199 jobject clazz, jboolean exitWithoutCleanup) 200{ 201 gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup); 202} 203 204/* 205 * JNI registration. 206 */ 207static JNINativeMethod gMethods[] = { 208 { "nativeFinishInit", "()V", 209 (void*) com_android_internal_os_RuntimeInit_nativeFinishInit }, 210 { "nativeZygoteInit", "()V", 211 (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit }, 212 { "nativeSetExitWithoutCleanup", "(Z)V", 213 (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup }, 214}; 215 216int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 217{ 218 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 219 gMethods, NELEM(gMethods)); 220} 221 222// ---------------------------------------------------------------------- 223 224/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 225 226 227AndroidRuntime::AndroidRuntime() : 228 mExitWithoutCleanup(false) 229{ 230 SkGraphics::Init(); 231 // this sets our preference for 16bit images during decode 232 // in case the src is opaque and 24bit 233 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 234 // This cache is shared between browser native images, and java "purgeable" 235 // bitmaps. This globalpool is for images that do not either use the java 236 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 237 // java call site. 238 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 239 // There is also a global font cache, but its budget is specified in code 240 // see SkFontHost_android.cpp 241 242 // Pre-allocate enough space to hold a fair number of options. 243 mOptions.setCapacity(20); 244 245 assert(gCurRuntime == NULL); // one per process 246 gCurRuntime = this; 247} 248 249AndroidRuntime::~AndroidRuntime() 250{ 251 SkGraphics::Term(); 252} 253 254/* 255 * Register native methods using JNI. 256 */ 257/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 258 const char* className, const JNINativeMethod* gMethods, int numMethods) 259{ 260 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 261} 262 263status_t AndroidRuntime::callMain(const char* className, 264 jclass clazz, int argc, const char* const argv[]) 265{ 266 JNIEnv* env; 267 jmethodID methodId; 268 269 ALOGD("Calling main entry %s", className); 270 271 env = getJNIEnv(); 272 if (clazz == NULL || env == NULL) { 273 return UNKNOWN_ERROR; 274 } 275 276 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 277 if (methodId == NULL) { 278 ALOGE("ERROR: could not find method %s.main(String[])\n", className); 279 return UNKNOWN_ERROR; 280 } 281 282 /* 283 * We want to call main() with a String array with our arguments in it. 284 * Create an array and populate it. 285 */ 286 jclass stringClass; 287 jobjectArray strArray; 288 289 stringClass = env->FindClass("java/lang/String"); 290 strArray = env->NewObjectArray(argc, stringClass, NULL); 291 292 for (int i = 0; i < argc; i++) { 293 jstring argStr = env->NewStringUTF(argv[i]); 294 env->SetObjectArrayElement(strArray, i, argStr); 295 } 296 297 env->CallStaticVoidMethod(clazz, methodId, strArray); 298 return NO_ERROR; 299} 300 301/* 302 * The VM calls this through the "exit" hook. 303 */ 304static void runtime_exit(int code) 305{ 306 gCurRuntime->exit(code); 307} 308 309/* 310 * The VM calls this through the "vfprintf" hook. 311 * 312 * We ignore "fp" and just write the results to the log file. 313 */ 314static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 315{ 316 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 317} 318 319/** 320 * The VM calls this when mutex contention debugging is enabled to 321 * determine whether or not the blocked thread was a "sensitive thread" 322 * for user responsiveness/smoothess. 323 * 324 * Our policy for this is whether or not we're tracing any StrictMode 325 * events on this thread (which we might've inherited via Binder calls 326 * into us) 327 */ 328static bool runtime_isSensitiveThread() { 329 IPCThreadState* state = IPCThreadState::selfOrNull(); 330 return state && state->getStrictModePolicy() != 0; 331} 332 333 334/** 335 * Add VM arguments to the to-be-executed VM 336 * Stops at first non '-' argument (also stops at an argument of '--') 337 * Returns the number of args consumed 338 */ 339int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 340{ 341 int i; 342 343 for (i = 0; i<argc; i++) { 344 if (argv[i][0] != '-') { 345 return i; 346 } 347 if (argv[i][1] == '-' && argv[i][2] == 0) { 348 return i+1; 349 } 350 351 JavaVMOption opt; 352 memset(&opt, 0, sizeof(opt)); 353 opt.optionString = (char*)argv[i]; 354 mOptions.add(opt); 355 } 356 return i; 357} 358 359static int hasDir(const char* dir) 360{ 361 struct stat s; 362 int res = stat(dir, &s); 363 if (res == 0) { 364 return S_ISDIR(s.st_mode); 365 } 366 return 0; 367} 368 369/* 370 * We just want failed write() calls to just return with an error. 371 */ 372static void blockSigpipe() 373{ 374 sigset_t mask; 375 376 sigemptyset(&mask); 377 sigaddset(&mask, SIGPIPE); 378 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 379 ALOGW("WARNING: SIGPIPE not blocked\n"); 380} 381 382/* 383 * Read the persistent locale. 384 */ 385static void readLocale(char* language, char* region) 386{ 387 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 388 389 property_get("persist.sys.language", propLang, ""); 390 property_get("persist.sys.country", propRegn, ""); 391 if (*propLang == 0 && *propRegn == 0) { 392 /* Set to ro properties, default is en_US */ 393 property_get("ro.product.locale.language", propLang, "en"); 394 property_get("ro.product.locale.region", propRegn, "US"); 395 } 396 strncat(language, propLang, 2); 397 strncat(region, propRegn, 2); 398 //ALOGD("language=%s region=%s\n", language, region); 399} 400 401/* 402 * Parse a property containing space-separated options that should be 403 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap". 404 * 405 * This will cut up "extraOptsBuf" as we chop it into individual options. 406 * 407 * Adds the strings, if any, to mOptions. 408 */ 409void AndroidRuntime::parseExtraOpts(char* extraOptsBuf) 410{ 411 JavaVMOption opt; 412 char* start; 413 char* end; 414 415 memset(&opt, 0, sizeof(opt)); 416 start = extraOptsBuf; 417 while (*start != '\0') { 418 while (*start == ' ') /* skip leading whitespace */ 419 start++; 420 if (*start == '\0') /* was trailing ws, bail */ 421 break; 422 423 end = start+1; 424 while (*end != ' ' && *end != '\0') /* find end of token */ 425 end++; 426 if (*end == ' ') 427 *end++ = '\0'; /* mark end, advance to indicate more */ 428 429 opt.optionString = start; 430 mOptions.add(opt); 431 start = end; 432 } 433} 434 435/* 436 * Start the Dalvik Virtual Machine. 437 * 438 * Various arguments, most determined by system properties, are passed in. 439 * The "mOptions" vector is updated. 440 * 441 * Returns 0 on success. 442 */ 443int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 444{ 445 int result = -1; 446 JavaVMInitArgs initArgs; 447 JavaVMOption opt; 448 char propBuf[PROPERTY_VALUE_MAX]; 449 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 450 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 451 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 452 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 453 char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX]; 454 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 455 char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX]; 456 char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX]; 457 char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX]; 458 char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX]; 459 char extraOptsBuf[PROPERTY_VALUE_MAX]; 460 char* stackTraceFile = NULL; 461 bool checkJni = false; 462 bool checkDexSum = false; 463 bool logStdio = false; 464 enum { 465 kEMDefault, 466 kEMIntPortable, 467 kEMIntFast, 468#if defined(WITH_JIT) 469 kEMJitCompiler, 470#endif 471 } executionMode = kEMDefault; 472 473 474 property_get("dalvik.vm.checkjni", propBuf, ""); 475 if (strcmp(propBuf, "true") == 0) { 476 checkJni = true; 477 } else if (strcmp(propBuf, "false") != 0) { 478 /* property is neither true nor false; fall back on kernel parameter */ 479 property_get("ro.kernel.android.checkjni", propBuf, ""); 480 if (propBuf[0] == '1') { 481 checkJni = true; 482 } 483 } 484 485 property_get("dalvik.vm.execution-mode", propBuf, ""); 486 if (strcmp(propBuf, "int:portable") == 0) { 487 executionMode = kEMIntPortable; 488 } else if (strcmp(propBuf, "int:fast") == 0) { 489 executionMode = kEMIntFast; 490#if defined(WITH_JIT) 491 } else if (strcmp(propBuf, "int:jit") == 0) { 492 executionMode = kEMJitCompiler; 493#endif 494 } 495 496 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 497 498 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 499 if (strcmp(propBuf, "true") == 0) { 500 checkDexSum = true; 501 } 502 503 property_get("log.redirect-stdio", propBuf, ""); 504 if (strcmp(propBuf, "true") == 0) { 505 logStdio = true; 506 } 507 508 strcpy(enableAssertBuf, "-ea:"); 509 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 510 511 strcpy(jniOptsBuf, "-Xjniopts:"); 512 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 513 514 /* route exit() to our handler */ 515 opt.extraInfo = (void*) runtime_exit; 516 opt.optionString = "exit"; 517 mOptions.add(opt); 518 519 /* route fprintf() to our handler */ 520 opt.extraInfo = (void*) runtime_vfprintf; 521 opt.optionString = "vfprintf"; 522 mOptions.add(opt); 523 524 /* register the framework-specific "is sensitive thread" hook */ 525 opt.extraInfo = (void*) runtime_isSensitiveThread; 526 opt.optionString = "sensitiveThread"; 527 mOptions.add(opt); 528 529 opt.extraInfo = NULL; 530 531 /* enable verbose; standard options are { jni, gc, class } */ 532 //options[curOpt++].optionString = "-verbose:jni"; 533 opt.optionString = "-verbose:gc"; 534 mOptions.add(opt); 535 //options[curOpt++].optionString = "-verbose:class"; 536 537 /* 538 * The default starting and maximum size of the heap. Larger 539 * values should be specified in a product property override. 540 */ 541 strcpy(heapstartsizeOptsBuf, "-Xms"); 542 property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m"); 543 opt.optionString = heapstartsizeOptsBuf; 544 mOptions.add(opt); 545 strcpy(heapsizeOptsBuf, "-Xmx"); 546 property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m"); 547 opt.optionString = heapsizeOptsBuf; 548 mOptions.add(opt); 549 550 // Increase the main thread's interpreter stack size for bug 6315322. 551 opt.optionString = "-XX:mainThreadStackSize=24K"; 552 mOptions.add(opt); 553 554 strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 555 property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, ""); 556 if (heapgrowthlimitOptsBuf[20] != '\0') { 557 opt.optionString = heapgrowthlimitOptsBuf; 558 mOptions.add(opt); 559 } 560 561 strcpy(heapminfreeOptsBuf, "-XX:HeapMinFree="); 562 property_get("dalvik.vm.heapminfree", heapminfreeOptsBuf+16, ""); 563 if (heapminfreeOptsBuf[16] != '\0') { 564 opt.optionString = heapminfreeOptsBuf; 565 mOptions.add(opt); 566 } 567 568 strcpy(heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 569 property_get("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf+16, ""); 570 if (heapmaxfreeOptsBuf[16] != '\0') { 571 opt.optionString = heapmaxfreeOptsBuf; 572 mOptions.add(opt); 573 } 574 575 strcpy(heaptargetutilizationOptsBuf, "-XX:HeapTargetUtilization="); 576 property_get("dalvik.vm.heaptargetutilization", heaptargetutilizationOptsBuf+26, ""); 577 if (heaptargetutilizationOptsBuf[26] != '\0') { 578 opt.optionString = heaptargetutilizationOptsBuf; 579 mOptions.add(opt); 580 } 581 582 /* 583 * Enable or disable dexopt features, such as bytecode verification and 584 * calculation of register maps for precise GC. 585 */ 586 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 587 if (dexoptFlagsBuf[0] != '\0') { 588 const char* opc; 589 const char* val; 590 591 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 592 if (opc != NULL) { 593 switch (*(opc+2)) { 594 case 'n': val = "-Xverify:none"; break; 595 case 'r': val = "-Xverify:remote"; break; 596 case 'a': val = "-Xverify:all"; break; 597 default: val = NULL; break; 598 } 599 600 if (val != NULL) { 601 opt.optionString = val; 602 mOptions.add(opt); 603 } 604 } 605 606 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 607 if (opc != NULL) { 608 switch (*(opc+2)) { 609 case 'n': val = "-Xdexopt:none"; break; 610 case 'v': val = "-Xdexopt:verified"; break; 611 case 'a': val = "-Xdexopt:all"; break; 612 case 'f': val = "-Xdexopt:full"; break; 613 default: val = NULL; break; 614 } 615 616 if (val != NULL) { 617 opt.optionString = val; 618 mOptions.add(opt); 619 } 620 } 621 622 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 623 if (opc != NULL) { 624 opt.optionString = "-Xgenregmap"; 625 mOptions.add(opt); 626 627 /* turn on precise GC while we're at it */ 628 opt.optionString = "-Xgc:precise"; 629 mOptions.add(opt); 630 } 631 } 632 633 /* enable debugging; set suspend=y to pause during VM init */ 634 /* use android ADB transport */ 635 opt.optionString = 636 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 637 mOptions.add(opt); 638 639 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 640 if (checkJni) { 641 /* extended JNI checking */ 642 opt.optionString = "-Xcheck:jni"; 643 mOptions.add(opt); 644 645 /* set a cap on JNI global references */ 646 opt.optionString = "-Xjnigreflimit:2000"; 647 mOptions.add(opt); 648 649 /* with -Xcheck:jni, this provides a JNI function call trace */ 650 //opt.optionString = "-verbose:jni"; 651 //mOptions.add(opt); 652 } 653 654 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)]; 655 property_get("dalvik.vm.lockprof.threshold", propBuf, ""); 656 if (strlen(propBuf) > 0) { 657 strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:"); 658 strcat(lockProfThresholdBuf, propBuf); 659 opt.optionString = lockProfThresholdBuf; 660 mOptions.add(opt); 661 } 662 663#if defined(WITH_JIT) 664 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 665 char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX]; 666 property_get("dalvik.vm.jit.op", propBuf, ""); 667 if (strlen(propBuf) > 0) { 668 strcpy(jitOpBuf, "-Xjitop:"); 669 strcat(jitOpBuf, propBuf); 670 opt.optionString = jitOpBuf; 671 mOptions.add(opt); 672 } 673 674 /* Force interpreter-only mode for selected methods */ 675 char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX]; 676 property_get("dalvik.vm.jit.method", propBuf, ""); 677 if (strlen(propBuf) > 0) { 678 strcpy(jitMethodBuf, "-Xjitmethod:"); 679 strcat(jitMethodBuf, propBuf); 680 opt.optionString = jitMethodBuf; 681 mOptions.add(opt); 682 } 683#endif 684 685 if (executionMode == kEMIntPortable) { 686 opt.optionString = "-Xint:portable"; 687 mOptions.add(opt); 688 } else if (executionMode == kEMIntFast) { 689 opt.optionString = "-Xint:fast"; 690 mOptions.add(opt); 691#if defined(WITH_JIT) 692 } else if (executionMode == kEMJitCompiler) { 693 opt.optionString = "-Xint:jit"; 694 mOptions.add(opt); 695#endif 696 } 697 698 if (checkDexSum) { 699 /* perform additional DEX checksum tests */ 700 opt.optionString = "-Xcheckdexsum"; 701 mOptions.add(opt); 702 } 703 704 if (logStdio) { 705 /* convert stdout/stderr to log messages */ 706 opt.optionString = "-Xlog-stdio"; 707 mOptions.add(opt); 708 } 709 710 if (enableAssertBuf[4] != '\0') { 711 /* accept "all" to mean "all classes and packages" */ 712 if (strcmp(enableAssertBuf+4, "all") == 0) 713 enableAssertBuf[3] = '\0'; 714 ALOGI("Assertions enabled: '%s'\n", enableAssertBuf); 715 opt.optionString = enableAssertBuf; 716 mOptions.add(opt); 717 } else { 718 ALOGV("Assertions disabled\n"); 719 } 720 721 if (jniOptsBuf[10] != '\0') { 722 ALOGI("JNI options: '%s'\n", jniOptsBuf); 723 opt.optionString = jniOptsBuf; 724 mOptions.add(opt); 725 } 726 727 if (stackTraceFileBuf[0] != '\0') { 728 static const char* stfOptName = "-Xstacktracefile:"; 729 730 stackTraceFile = (char*) malloc(strlen(stfOptName) + 731 strlen(stackTraceFileBuf) +1); 732 strcpy(stackTraceFile, stfOptName); 733 strcat(stackTraceFile, stackTraceFileBuf); 734 opt.optionString = stackTraceFile; 735 mOptions.add(opt); 736 } 737 738 /* extra options; parse this late so it overrides others */ 739 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 740 parseExtraOpts(extraOptsBuf); 741 742 /* Set the properties for locale */ 743 { 744 char langOption[sizeof("-Duser.language=") + 3]; 745 char regionOption[sizeof("-Duser.region=") + 3]; 746 strcpy(langOption, "-Duser.language="); 747 strcpy(regionOption, "-Duser.region="); 748 readLocale(langOption, regionOption); 749 opt.extraInfo = NULL; 750 opt.optionString = langOption; 751 mOptions.add(opt); 752 opt.optionString = regionOption; 753 mOptions.add(opt); 754 } 755 756 /* 757 * We don't have /tmp on the device, but we often have an SD card. Apps 758 * shouldn't use this, but some test suites might want to exercise it. 759 */ 760 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 761 mOptions.add(opt); 762 763 initArgs.version = JNI_VERSION_1_4; 764 initArgs.options = mOptions.editArray(); 765 initArgs.nOptions = mOptions.size(); 766 initArgs.ignoreUnrecognized = JNI_FALSE; 767 768 /* 769 * Initialize the VM. 770 * 771 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 772 * If this call succeeds, the VM is ready, and we can start issuing 773 * JNI calls. 774 */ 775 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 776 ALOGE("JNI_CreateJavaVM failed\n"); 777 goto bail; 778 } 779 780 result = 0; 781 782bail: 783 free(stackTraceFile); 784 return result; 785} 786 787char* AndroidRuntime::toSlashClassName(const char* className) 788{ 789 char* result = strdup(className); 790 for (char* cp = result; *cp != '\0'; cp++) { 791 if (*cp == '.') { 792 *cp = '/'; 793 } 794 } 795 return result; 796} 797 798/* 799 * Start the Android runtime. This involves starting the virtual machine 800 * and calling the "static void main(String[] args)" method in the class 801 * named by "className". 802 * 803 * Passes the main function two arguments, the class name and the specified 804 * options string. 805 */ 806void AndroidRuntime::start(const char* className, const char* options) 807{ 808 ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 809 className != NULL ? className : "(unknown)"); 810 811 blockSigpipe(); 812 813 /* 814 * 'startSystemServer == true' means runtime is obsolete and not run from 815 * init.rc anymore, so we print out the boot start event here. 816 */ 817 if (strcmp(options, "start-system-server") == 0) { 818 /* track our progress through the boot sequence */ 819 const int LOG_BOOT_PROGRESS_START = 3000; 820 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 821 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 822 } 823 824 const char* rootDir = getenv("ANDROID_ROOT"); 825 if (rootDir == NULL) { 826 rootDir = "/system"; 827 if (!hasDir("/system")) { 828 LOG_FATAL("No root directory specified, and /android does not exist."); 829 return; 830 } 831 setenv("ANDROID_ROOT", rootDir, 1); 832 } 833 834 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 835 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 836 837 /* start the virtual machine */ 838 JNIEnv* env; 839 if (startVm(&mJavaVM, &env) != 0) { 840 return; 841 } 842 onVmCreated(env); 843 844 /* 845 * Register android functions. 846 */ 847 if (startReg(env) < 0) { 848 ALOGE("Unable to register all android natives\n"); 849 return; 850 } 851 852 /* 853 * We want to call main() with a String array with arguments in it. 854 * At present we have two arguments, the class name and an option string. 855 * Create an array to hold them. 856 */ 857 jclass stringClass; 858 jobjectArray strArray; 859 jstring classNameStr; 860 jstring optionsStr; 861 862 stringClass = env->FindClass("java/lang/String"); 863 assert(stringClass != NULL); 864 strArray = env->NewObjectArray(2, stringClass, NULL); 865 assert(strArray != NULL); 866 classNameStr = env->NewStringUTF(className); 867 assert(classNameStr != NULL); 868 env->SetObjectArrayElement(strArray, 0, classNameStr); 869 optionsStr = env->NewStringUTF(options); 870 env->SetObjectArrayElement(strArray, 1, optionsStr); 871 872 /* 873 * Start VM. This thread becomes the main thread of the VM, and will 874 * not return until the VM exits. 875 */ 876 char* slashClassName = toSlashClassName(className); 877 jclass startClass = env->FindClass(slashClassName); 878 if (startClass == NULL) { 879 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 880 /* keep going */ 881 } else { 882 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 883 "([Ljava/lang/String;)V"); 884 if (startMeth == NULL) { 885 ALOGE("JavaVM unable to find main() in '%s'\n", className); 886 /* keep going */ 887 } else { 888 env->CallStaticVoidMethod(startClass, startMeth, strArray); 889 890#if 0 891 if (env->ExceptionCheck()) 892 threadExitUncaughtException(env); 893#endif 894 } 895 } 896 free(slashClassName); 897 898 ALOGD("Shutting down VM\n"); 899 if (mJavaVM->DetachCurrentThread() != JNI_OK) 900 ALOGW("Warning: unable to detach main thread\n"); 901 if (mJavaVM->DestroyJavaVM() != 0) 902 ALOGW("Warning: VM did not shut down cleanly\n"); 903} 904 905void AndroidRuntime::exit(int code) 906{ 907 if (mExitWithoutCleanup) { 908 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 909 ::_exit(code); 910 } else { 911 ALOGI("VM exiting with result code %d.", code); 912 onExit(code); 913 ::exit(code); 914 } 915} 916 917void AndroidRuntime::onVmCreated(JNIEnv* env) 918{ 919 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 920} 921 922/* 923 * Get the JNIEnv pointer for this thread. 924 * 925 * Returns NULL if the slot wasn't allocated or populated. 926 */ 927/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 928{ 929 JNIEnv* env; 930 JavaVM* vm = AndroidRuntime::getJavaVM(); 931 assert(vm != NULL); 932 933 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 934 return NULL; 935 return env; 936} 937 938/* 939 * Makes the current thread visible to the VM. 940 * 941 * The JNIEnv pointer returned is only valid for the current thread, and 942 * thus must be tucked into thread-local storage. 943 */ 944static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 945{ 946 JavaVMAttachArgs args; 947 JavaVM* vm; 948 jint result; 949 950 vm = AndroidRuntime::getJavaVM(); 951 assert(vm != NULL); 952 953 args.version = JNI_VERSION_1_4; 954 args.name = (char*) threadName; 955 args.group = NULL; 956 957 result = vm->AttachCurrentThread(pEnv, (void*) &args); 958 if (result != JNI_OK) 959 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 960 961 return result; 962} 963 964/* 965 * Detach the current thread from the set visible to the VM. 966 */ 967static int javaDetachThread(void) 968{ 969 JavaVM* vm; 970 jint result; 971 972 vm = AndroidRuntime::getJavaVM(); 973 assert(vm != NULL); 974 975 result = vm->DetachCurrentThread(); 976 if (result != JNI_OK) 977 ALOGE("ERROR: thread detach failed\n"); 978 return result; 979} 980 981/* 982 * When starting a native thread that will be visible from the VM, we 983 * bounce through this to get the right attach/detach action. 984 * Note that this function calls free(args) 985 */ 986/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 987 void* start = ((void**)args)[0]; 988 void* userData = ((void **)args)[1]; 989 char* name = (char*) ((void **)args)[2]; // we own this storage 990 free(args); 991 JNIEnv* env; 992 int result; 993 994 /* hook us into the VM */ 995 if (javaAttachThread(name, &env) != JNI_OK) 996 return -1; 997 998 /* start the thread running */ 999 result = (*(android_thread_func_t)start)(userData); 1000 1001 /* unhook us */ 1002 javaDetachThread(); 1003 free(name); 1004 1005 return result; 1006} 1007 1008/* 1009 * This is invoked from androidCreateThreadEtc() via the callback 1010 * set with androidSetCreateThreadFunc(). 1011 * 1012 * We need to create the new thread in such a way that it gets hooked 1013 * into the VM before it really starts executing. 1014 */ 1015/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1016 android_thread_func_t entryFunction, 1017 void* userData, 1018 const char* threadName, 1019 int32_t threadPriority, 1020 size_t threadStackSize, 1021 android_thread_id_t* threadId) 1022{ 1023 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1024 int result; 1025 1026 assert(threadName != NULL); 1027 1028 args[0] = (void*) entryFunction; 1029 args[1] = userData; 1030 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1031 1032 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1033 threadName, threadPriority, threadStackSize, threadId); 1034 return result; 1035} 1036 1037/* 1038 * Create a thread that is visible from the VM. 1039 * 1040 * This is called from elsewhere in the library. 1041 */ 1042/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1043 void (*start)(void *), void* arg) 1044{ 1045 android_thread_id_t threadId = 0; 1046 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1047 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1048 return threadId; 1049} 1050 1051#if 0 1052static void quickTest(void* arg) 1053{ 1054 const char* str = (const char*) arg; 1055 1056 printf("In quickTest: %s\n", str); 1057} 1058#endif 1059 1060#ifdef NDEBUG 1061 #define REG_JNI(name) { name } 1062 struct RegJNIRec { 1063 int (*mProc)(JNIEnv*); 1064 }; 1065#else 1066 #define REG_JNI(name) { name, #name } 1067 struct RegJNIRec { 1068 int (*mProc)(JNIEnv*); 1069 const char* mName; 1070 }; 1071#endif 1072 1073typedef void (*RegJAMProc)(); 1074 1075static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1076{ 1077 for (size_t i = 0; i < count; i++) { 1078 if (array[i].mProc(env) < 0) { 1079#ifndef NDEBUG 1080 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1081#endif 1082 return -1; 1083 } 1084 } 1085 return 0; 1086} 1087 1088static void register_jam_procs(const RegJAMProc array[], size_t count) 1089{ 1090 for (size_t i = 0; i < count; i++) { 1091 array[i](); 1092 } 1093} 1094 1095static const RegJNIRec gRegJNI[] = { 1096 REG_JNI(register_android_debug_JNITest), 1097 REG_JNI(register_com_android_internal_os_RuntimeInit), 1098 REG_JNI(register_android_os_SystemClock), 1099 REG_JNI(register_android_util_EventLog), 1100 REG_JNI(register_android_util_Log), 1101 REG_JNI(register_android_util_FloatMath), 1102 REG_JNI(register_android_text_format_Time), 1103 REG_JNI(register_android_content_AssetManager), 1104 REG_JNI(register_android_content_StringBlock), 1105 REG_JNI(register_android_content_XmlBlock), 1106 REG_JNI(register_android_emoji_EmojiFactory), 1107 REG_JNI(register_android_text_AndroidCharacter), 1108 REG_JNI(register_android_text_AndroidBidi), 1109 REG_JNI(register_android_view_InputDevice), 1110 REG_JNI(register_android_view_KeyCharacterMap), 1111 REG_JNI(register_android_os_Process), 1112 REG_JNI(register_android_os_SystemProperties), 1113 REG_JNI(register_android_os_Binder), 1114 REG_JNI(register_android_os_Parcel), 1115 REG_JNI(register_android_view_DisplayEventReceiver), 1116 REG_JNI(register_android_nio_utils), 1117 REG_JNI(register_android_graphics_PixelFormat), 1118 REG_JNI(register_android_graphics_Graphics), 1119 REG_JNI(register_android_view_GLES20DisplayList), 1120 REG_JNI(register_android_view_GLES20Canvas), 1121 REG_JNI(register_android_view_HardwareRenderer), 1122 REG_JNI(register_android_view_Surface), 1123 REG_JNI(register_android_view_SurfaceSession), 1124 REG_JNI(register_android_view_TextureView), 1125 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1126 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1127 REG_JNI(register_android_opengl_jni_EGL14), 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_Path), 1149 REG_JNI(register_android_graphics_PathMeasure), 1150 REG_JNI(register_android_graphics_PathEffect), 1151 REG_JNI(register_android_graphics_Picture), 1152 REG_JNI(register_android_graphics_PorterDuff), 1153 REG_JNI(register_android_graphics_Rasterizer), 1154 REG_JNI(register_android_graphics_Region), 1155 REG_JNI(register_android_graphics_Shader), 1156 REG_JNI(register_android_graphics_SurfaceTexture), 1157 REG_JNI(register_android_graphics_Typeface), 1158 REG_JNI(register_android_graphics_Xfermode), 1159 REG_JNI(register_android_graphics_YuvImage), 1160 1161 REG_JNI(register_android_database_CursorWindow), 1162 REG_JNI(register_android_database_SQLiteConnection), 1163 REG_JNI(register_android_database_SQLiteGlobal), 1164 REG_JNI(register_android_database_SQLiteDebug), 1165 REG_JNI(register_android_os_Debug), 1166 REG_JNI(register_android_os_FileObserver), 1167 REG_JNI(register_android_os_FileUtils), 1168 REG_JNI(register_android_os_MessageQueue), 1169 REG_JNI(register_android_os_ParcelFileDescriptor), 1170 REG_JNI(register_android_os_SELinux), 1171 REG_JNI(register_android_os_Trace), 1172 REG_JNI(register_android_os_UEventObserver), 1173 REG_JNI(register_android_net_LocalSocketImpl), 1174 REG_JNI(register_android_net_NetworkUtils), 1175 REG_JNI(register_android_net_TrafficStats), 1176 REG_JNI(register_android_net_wifi_WifiManager), 1177 REG_JNI(register_android_os_MemoryFile), 1178 REG_JNI(register_com_android_internal_os_ZygoteInit), 1179 REG_JNI(register_android_hardware_Camera), 1180 REG_JNI(register_android_hardware_SensorManager), 1181 REG_JNI(register_android_hardware_SerialPort), 1182 REG_JNI(register_android_hardware_UsbDevice), 1183 REG_JNI(register_android_hardware_UsbDeviceConnection), 1184 REG_JNI(register_android_hardware_UsbRequest), 1185 REG_JNI(register_android_media_AudioRecord), 1186 REG_JNI(register_android_media_AudioSystem), 1187 REG_JNI(register_android_media_AudioTrack), 1188 REG_JNI(register_android_media_JetPlayer), 1189 REG_JNI(register_android_media_RemoteDisplay), 1190 REG_JNI(register_android_media_ToneGenerator), 1191 1192 REG_JNI(register_android_opengl_classes), 1193 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1194 REG_JNI(register_android_server_Watchdog), 1195 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1196 REG_JNI(register_android_backup_BackupDataInput), 1197 REG_JNI(register_android_backup_BackupDataOutput), 1198 REG_JNI(register_android_backup_FileBackupHelperBase), 1199 REG_JNI(register_android_backup_BackupHelperDispatcher), 1200 REG_JNI(register_android_app_backup_FullBackup), 1201 REG_JNI(register_android_app_ActivityThread), 1202 REG_JNI(register_android_app_NativeActivity), 1203 REG_JNI(register_android_view_InputChannel), 1204 REG_JNI(register_android_view_InputEventReceiver), 1205 REG_JNI(register_android_view_KeyEvent), 1206 REG_JNI(register_android_view_MotionEvent), 1207 REG_JNI(register_android_view_PointerIcon), 1208 REG_JNI(register_android_view_VelocityTracker), 1209 1210 REG_JNI(register_android_content_res_ObbScanner), 1211 REG_JNI(register_android_content_res_Configuration), 1212 1213 REG_JNI(register_android_animation_PropertyValuesHolder), 1214 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1215}; 1216 1217/* 1218 * Register android native functions with the VM. 1219 */ 1220/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1221{ 1222 /* 1223 * This hook causes all future threads created in this process to be 1224 * attached to the JavaVM. (This needs to go away in favor of JNI 1225 * Attach calls.) 1226 */ 1227 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1228 1229 ALOGV("--- registering native functions ---\n"); 1230 1231 /* 1232 * Every "register" function calls one or more things that return 1233 * a local reference (e.g. FindClass). Because we haven't really 1234 * started the VM yet, they're all getting stored in the base frame 1235 * and never released. Use Push/Pop to manage the storage. 1236 */ 1237 env->PushLocalFrame(200); 1238 1239 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1240 env->PopLocalFrame(NULL); 1241 return -1; 1242 } 1243 env->PopLocalFrame(NULL); 1244 1245 //createJavaThread("fubar", quickTest, (void*) "hello"); 1246 1247 return 0; 1248} 1249 1250AndroidRuntime* AndroidRuntime::getRuntime() 1251{ 1252 return gCurRuntime; 1253} 1254 1255/** 1256 * Used by WithFramework to register native functions. 1257 */ 1258extern "C" 1259jint Java_com_android_internal_util_WithFramework_registerNatives( 1260 JNIEnv* env, jclass clazz) { 1261 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1262} 1263 1264/** 1265 * Used by LoadClass to register native functions. 1266 */ 1267extern "C" 1268jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1269 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1270} 1271 1272} // namespace android 1273