AndroidRuntime.cpp revision 58a1ca6642d404b67e5c9e75076b9bbe08e4076b
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 int register_android_os_Binder(JNIEnv* env); 51extern int register_android_os_Process(JNIEnv* env); 52extern int register_android_graphics_Bitmap(JNIEnv*); 53extern int register_android_graphics_BitmapFactory(JNIEnv*); 54extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*); 55extern int register_android_graphics_Camera(JNIEnv* env); 56extern int register_android_graphics_Graphics(JNIEnv* env); 57extern int register_android_graphics_Interpolator(JNIEnv* env); 58extern int register_android_graphics_LayerRasterizer(JNIEnv*); 59extern int register_android_graphics_MaskFilter(JNIEnv* env); 60extern int register_android_graphics_Movie(JNIEnv* env); 61extern int register_android_graphics_NinePatch(JNIEnv*); 62extern int register_android_graphics_PathEffect(JNIEnv* env); 63extern int register_android_graphics_Shader(JNIEnv* env); 64extern int register_android_graphics_Typeface(JNIEnv* env); 65extern int register_android_graphics_YuvImage(JNIEnv* env); 66 67extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 68extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 69extern int register_android_opengl_jni_EGL14(JNIEnv* env); 70extern int register_android_opengl_jni_GLES10(JNIEnv* env); 71extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 72extern int register_android_opengl_jni_GLES11(JNIEnv* env); 73extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 74extern int register_android_opengl_jni_GLES20(JNIEnv* env); 75 76extern int register_android_hardware_Camera(JNIEnv *env); 77extern int register_android_hardware_SensorManager(JNIEnv *env); 78extern int register_android_hardware_SerialPort(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_android_view_DisplayEventReceiver(JNIEnv* env); 118extern int register_android_view_GLES20DisplayList(JNIEnv* env); 119extern int register_android_view_GLES20Canvas(JNIEnv* env); 120extern int register_android_view_HardwareRenderer(JNIEnv* env); 121extern int register_android_view_Surface(JNIEnv* env); 122extern int register_android_view_SurfaceControl(JNIEnv* env); 123extern int register_android_view_SurfaceSession(JNIEnv* env); 124extern int register_android_view_TextureView(JNIEnv* env); 125extern int register_android_database_CursorWindow(JNIEnv* env); 126extern int register_android_database_SQLiteConnection(JNIEnv* env); 127extern int register_android_database_SQLiteGlobal(JNIEnv* env); 128extern int register_android_database_SQLiteDebug(JNIEnv* env); 129extern int register_android_debug_JNITest(JNIEnv* env); 130extern int register_android_nio_utils(JNIEnv* env); 131extern int register_android_text_format_Time(JNIEnv* env); 132extern int register_android_os_Debug(JNIEnv* env); 133extern int register_android_os_MessageQueue(JNIEnv* env); 134extern int register_android_os_Parcel(JNIEnv* env); 135extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 136extern int register_android_os_SELinux(JNIEnv* env); 137extern int register_android_os_SystemProperties(JNIEnv *env); 138extern int register_android_os_SystemClock(JNIEnv* env); 139extern int register_android_os_Trace(JNIEnv* env); 140extern int register_android_os_FileObserver(JNIEnv *env); 141extern int register_android_os_FileUtils(JNIEnv *env); 142extern int register_android_os_UEventObserver(JNIEnv* env); 143extern int register_android_os_MemoryFile(JNIEnv* env); 144extern int register_android_net_LocalSocketImpl(JNIEnv* env); 145extern int register_android_net_NetworkUtils(JNIEnv* env); 146extern int register_android_net_TrafficStats(JNIEnv* env); 147extern int register_android_net_wifi_WifiManager(JNIEnv* env); 148extern int register_android_text_AndroidCharacter(JNIEnv *env); 149extern int register_android_text_AndroidBidi(JNIEnv *env); 150extern int register_android_opengl_classes(JNIEnv *env); 151extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env); 152extern int register_android_server_Watchdog(JNIEnv* env); 153extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 154extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 155extern int register_android_backup_BackupDataInput(JNIEnv *env); 156extern int register_android_backup_BackupDataOutput(JNIEnv *env); 157extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 158extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 159extern int register_android_app_backup_FullBackup(JNIEnv *env); 160extern int register_android_app_ActivityThread(JNIEnv *env); 161extern int register_android_app_NativeActivity(JNIEnv *env); 162extern int register_android_media_RemoteDisplay(JNIEnv *env); 163extern int register_android_view_InputChannel(JNIEnv* env); 164extern int register_android_view_InputDevice(JNIEnv* env); 165extern int register_android_view_InputEventReceiver(JNIEnv* env); 166extern int register_android_view_KeyCharacterMap(JNIEnv *env); 167extern int register_android_view_KeyEvent(JNIEnv* env); 168extern int register_android_view_MotionEvent(JNIEnv* env); 169extern int register_android_view_PointerIcon(JNIEnv* env); 170extern int register_android_view_VelocityTracker(JNIEnv* env); 171extern int register_android_content_res_ObbScanner(JNIEnv* env); 172extern int register_android_content_res_Configuration(JNIEnv* env); 173extern int register_android_animation_PropertyValuesHolder(JNIEnv *env); 174extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env); 175extern int register_com_android_internal_net_NetworkStatsFactory(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 kEMJitCompiler, 469 } executionMode = kEMDefault; 470 471 472 property_get("dalvik.vm.checkjni", propBuf, ""); 473 if (strcmp(propBuf, "true") == 0) { 474 checkJni = true; 475 } else if (strcmp(propBuf, "false") != 0) { 476 /* property is neither true nor false; fall back on kernel parameter */ 477 property_get("ro.kernel.android.checkjni", propBuf, ""); 478 if (propBuf[0] == '1') { 479 checkJni = true; 480 } 481 } 482 483 property_get("dalvik.vm.execution-mode", propBuf, ""); 484 if (strcmp(propBuf, "int:portable") == 0) { 485 executionMode = kEMIntPortable; 486 } else if (strcmp(propBuf, "int:fast") == 0) { 487 executionMode = kEMIntFast; 488 } else if (strcmp(propBuf, "int:jit") == 0) { 489 executionMode = kEMJitCompiler; 490 } 491 492 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 493 494 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 495 if (strcmp(propBuf, "true") == 0) { 496 checkDexSum = true; 497 } 498 499 property_get("log.redirect-stdio", propBuf, ""); 500 if (strcmp(propBuf, "true") == 0) { 501 logStdio = true; 502 } 503 504 strcpy(enableAssertBuf, "-ea:"); 505 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 506 507 strcpy(jniOptsBuf, "-Xjniopts:"); 508 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 509 510 /* route exit() to our handler */ 511 opt.extraInfo = (void*) runtime_exit; 512 opt.optionString = "exit"; 513 mOptions.add(opt); 514 515 /* route fprintf() to our handler */ 516 opt.extraInfo = (void*) runtime_vfprintf; 517 opt.optionString = "vfprintf"; 518 mOptions.add(opt); 519 520 /* register the framework-specific "is sensitive thread" hook */ 521 opt.extraInfo = (void*) runtime_isSensitiveThread; 522 opt.optionString = "sensitiveThread"; 523 mOptions.add(opt); 524 525 opt.extraInfo = NULL; 526 527 /* enable verbose; standard options are { jni, gc, class } */ 528 //options[curOpt++].optionString = "-verbose:jni"; 529 opt.optionString = "-verbose:gc"; 530 mOptions.add(opt); 531 //options[curOpt++].optionString = "-verbose:class"; 532 533 /* 534 * The default starting and maximum size of the heap. Larger 535 * values should be specified in a product property override. 536 */ 537 strcpy(heapstartsizeOptsBuf, "-Xms"); 538 property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m"); 539 opt.optionString = heapstartsizeOptsBuf; 540 mOptions.add(opt); 541 strcpy(heapsizeOptsBuf, "-Xmx"); 542 property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m"); 543 opt.optionString = heapsizeOptsBuf; 544 mOptions.add(opt); 545 546 // Increase the main thread's interpreter stack size for bug 6315322. 547 opt.optionString = "-XX:mainThreadStackSize=24K"; 548 mOptions.add(opt); 549 550 strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit="); 551 property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, ""); 552 if (heapgrowthlimitOptsBuf[20] != '\0') { 553 opt.optionString = heapgrowthlimitOptsBuf; 554 mOptions.add(opt); 555 } 556 557 strcpy(heapminfreeOptsBuf, "-XX:HeapMinFree="); 558 property_get("dalvik.vm.heapminfree", heapminfreeOptsBuf+16, ""); 559 if (heapminfreeOptsBuf[16] != '\0') { 560 opt.optionString = heapminfreeOptsBuf; 561 mOptions.add(opt); 562 } 563 564 strcpy(heapmaxfreeOptsBuf, "-XX:HeapMaxFree="); 565 property_get("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf+16, ""); 566 if (heapmaxfreeOptsBuf[16] != '\0') { 567 opt.optionString = heapmaxfreeOptsBuf; 568 mOptions.add(opt); 569 } 570 571 strcpy(heaptargetutilizationOptsBuf, "-XX:HeapTargetUtilization="); 572 property_get("dalvik.vm.heaptargetutilization", heaptargetutilizationOptsBuf+26, ""); 573 if (heaptargetutilizationOptsBuf[26] != '\0') { 574 opt.optionString = heaptargetutilizationOptsBuf; 575 mOptions.add(opt); 576 } 577 578 /* 579 * Enable or disable dexopt features, such as bytecode verification and 580 * calculation of register maps for precise GC. 581 */ 582 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 583 if (dexoptFlagsBuf[0] != '\0') { 584 const char* opc; 585 const char* val; 586 587 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 588 if (opc != NULL) { 589 switch (*(opc+2)) { 590 case 'n': val = "-Xverify:none"; break; 591 case 'r': val = "-Xverify:remote"; break; 592 case 'a': val = "-Xverify:all"; break; 593 default: val = NULL; break; 594 } 595 596 if (val != NULL) { 597 opt.optionString = val; 598 mOptions.add(opt); 599 } 600 } 601 602 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 603 if (opc != NULL) { 604 switch (*(opc+2)) { 605 case 'n': val = "-Xdexopt:none"; break; 606 case 'v': val = "-Xdexopt:verified"; break; 607 case 'a': val = "-Xdexopt:all"; break; 608 case 'f': val = "-Xdexopt:full"; break; 609 default: val = NULL; break; 610 } 611 612 if (val != NULL) { 613 opt.optionString = val; 614 mOptions.add(opt); 615 } 616 } 617 618 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 619 if (opc != NULL) { 620 opt.optionString = "-Xgenregmap"; 621 mOptions.add(opt); 622 623 /* turn on precise GC while we're at it */ 624 opt.optionString = "-Xgc:precise"; 625 mOptions.add(opt); 626 } 627 } 628 629 /* enable debugging; set suspend=y to pause during VM init */ 630 /* use android ADB transport */ 631 opt.optionString = 632 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 633 mOptions.add(opt); 634 635 ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 636 if (checkJni) { 637 /* extended JNI checking */ 638 opt.optionString = "-Xcheck:jni"; 639 mOptions.add(opt); 640 641 /* set a cap on JNI global references */ 642 opt.optionString = "-Xjnigreflimit:2000"; 643 mOptions.add(opt); 644 645 /* with -Xcheck:jni, this provides a JNI function call trace */ 646 //opt.optionString = "-verbose:jni"; 647 //mOptions.add(opt); 648 } 649 650 char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)]; 651 property_get("dalvik.vm.lockprof.threshold", propBuf, ""); 652 if (strlen(propBuf) > 0) { 653 strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:"); 654 strcat(lockProfThresholdBuf, propBuf); 655 opt.optionString = lockProfThresholdBuf; 656 mOptions.add(opt); 657 } 658 659 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 660 char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX]; 661 property_get("dalvik.vm.jit.op", propBuf, ""); 662 if (strlen(propBuf) > 0) { 663 strcpy(jitOpBuf, "-Xjitop:"); 664 strcat(jitOpBuf, propBuf); 665 opt.optionString = jitOpBuf; 666 mOptions.add(opt); 667 } 668 669 /* Force interpreter-only mode for selected methods */ 670 char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX]; 671 property_get("dalvik.vm.jit.method", propBuf, ""); 672 if (strlen(propBuf) > 0) { 673 strcpy(jitMethodBuf, "-Xjitmethod:"); 674 strcat(jitMethodBuf, propBuf); 675 opt.optionString = jitMethodBuf; 676 mOptions.add(opt); 677 } 678 679 if (executionMode == kEMIntPortable) { 680 opt.optionString = "-Xint:portable"; 681 mOptions.add(opt); 682 } else if (executionMode == kEMIntFast) { 683 opt.optionString = "-Xint:fast"; 684 mOptions.add(opt); 685 } else if (executionMode == kEMJitCompiler) { 686 opt.optionString = "-Xint:jit"; 687 mOptions.add(opt); 688 } 689 690 if (checkDexSum) { 691 /* perform additional DEX checksum tests */ 692 opt.optionString = "-Xcheckdexsum"; 693 mOptions.add(opt); 694 } 695 696 if (logStdio) { 697 /* convert stdout/stderr to log messages */ 698 opt.optionString = "-Xlog-stdio"; 699 mOptions.add(opt); 700 } 701 702 if (enableAssertBuf[4] != '\0') { 703 /* accept "all" to mean "all classes and packages" */ 704 if (strcmp(enableAssertBuf+4, "all") == 0) 705 enableAssertBuf[3] = '\0'; 706 ALOGI("Assertions enabled: '%s'\n", enableAssertBuf); 707 opt.optionString = enableAssertBuf; 708 mOptions.add(opt); 709 } else { 710 ALOGV("Assertions disabled\n"); 711 } 712 713 if (jniOptsBuf[10] != '\0') { 714 ALOGI("JNI options: '%s'\n", jniOptsBuf); 715 opt.optionString = jniOptsBuf; 716 mOptions.add(opt); 717 } 718 719 if (stackTraceFileBuf[0] != '\0') { 720 static const char* stfOptName = "-Xstacktracefile:"; 721 722 stackTraceFile = (char*) malloc(strlen(stfOptName) + 723 strlen(stackTraceFileBuf) +1); 724 strcpy(stackTraceFile, stfOptName); 725 strcat(stackTraceFile, stackTraceFileBuf); 726 opt.optionString = stackTraceFile; 727 mOptions.add(opt); 728 } 729 730 /* extra options; parse this late so it overrides others */ 731 property_get("dalvik.vm.extra-opts", extraOptsBuf, ""); 732 parseExtraOpts(extraOptsBuf); 733 734 /* Set the properties for locale */ 735 { 736 char langOption[sizeof("-Duser.language=") + 3]; 737 char regionOption[sizeof("-Duser.region=") + 3]; 738 strcpy(langOption, "-Duser.language="); 739 strcpy(regionOption, "-Duser.region="); 740 readLocale(langOption, regionOption); 741 opt.extraInfo = NULL; 742 opt.optionString = langOption; 743 mOptions.add(opt); 744 opt.optionString = regionOption; 745 mOptions.add(opt); 746 } 747 748 /* 749 * We don't have /tmp on the device, but we often have an SD card. Apps 750 * shouldn't use this, but some test suites might want to exercise it. 751 */ 752 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 753 mOptions.add(opt); 754 755 initArgs.version = JNI_VERSION_1_4; 756 initArgs.options = mOptions.editArray(); 757 initArgs.nOptions = mOptions.size(); 758 initArgs.ignoreUnrecognized = JNI_FALSE; 759 760 /* 761 * Initialize the VM. 762 * 763 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 764 * If this call succeeds, the VM is ready, and we can start issuing 765 * JNI calls. 766 */ 767 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 768 ALOGE("JNI_CreateJavaVM failed\n"); 769 goto bail; 770 } 771 772 result = 0; 773 774bail: 775 free(stackTraceFile); 776 return result; 777} 778 779char* AndroidRuntime::toSlashClassName(const char* className) 780{ 781 char* result = strdup(className); 782 for (char* cp = result; *cp != '\0'; cp++) { 783 if (*cp == '.') { 784 *cp = '/'; 785 } 786 } 787 return result; 788} 789 790/* 791 * Start the Android runtime. This involves starting the virtual machine 792 * and calling the "static void main(String[] args)" method in the class 793 * named by "className". 794 * 795 * Passes the main function two arguments, the class name and the specified 796 * options string. 797 */ 798void AndroidRuntime::start(const char* className, const char* options) 799{ 800 ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n", 801 className != NULL ? className : "(unknown)"); 802 803 blockSigpipe(); 804 805 /* 806 * 'startSystemServer == true' means runtime is obsolete and not run from 807 * init.rc anymore, so we print out the boot start event here. 808 */ 809 if (strcmp(options, "start-system-server") == 0) { 810 /* track our progress through the boot sequence */ 811 const int LOG_BOOT_PROGRESS_START = 3000; 812 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 813 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 814 } 815 816 const char* rootDir = getenv("ANDROID_ROOT"); 817 if (rootDir == NULL) { 818 rootDir = "/system"; 819 if (!hasDir("/system")) { 820 LOG_FATAL("No root directory specified, and /android does not exist."); 821 return; 822 } 823 setenv("ANDROID_ROOT", rootDir, 1); 824 } 825 826 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 827 //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 828 829 /* start the virtual machine */ 830 JNIEnv* env; 831 if (startVm(&mJavaVM, &env) != 0) { 832 return; 833 } 834 onVmCreated(env); 835 836 /* 837 * Register android functions. 838 */ 839 if (startReg(env) < 0) { 840 ALOGE("Unable to register all android natives\n"); 841 return; 842 } 843 844 /* 845 * We want to call main() with a String array with arguments in it. 846 * At present we have two arguments, the class name and an option string. 847 * Create an array to hold them. 848 */ 849 jclass stringClass; 850 jobjectArray strArray; 851 jstring classNameStr; 852 jstring optionsStr; 853 854 stringClass = env->FindClass("java/lang/String"); 855 assert(stringClass != NULL); 856 strArray = env->NewObjectArray(2, stringClass, NULL); 857 assert(strArray != NULL); 858 classNameStr = env->NewStringUTF(className); 859 assert(classNameStr != NULL); 860 env->SetObjectArrayElement(strArray, 0, classNameStr); 861 optionsStr = env->NewStringUTF(options); 862 env->SetObjectArrayElement(strArray, 1, optionsStr); 863 864 /* 865 * Start VM. This thread becomes the main thread of the VM, and will 866 * not return until the VM exits. 867 */ 868 char* slashClassName = toSlashClassName(className); 869 jclass startClass = env->FindClass(slashClassName); 870 if (startClass == NULL) { 871 ALOGE("JavaVM unable to locate class '%s'\n", slashClassName); 872 /* keep going */ 873 } else { 874 jmethodID startMeth = env->GetStaticMethodID(startClass, "main", 875 "([Ljava/lang/String;)V"); 876 if (startMeth == NULL) { 877 ALOGE("JavaVM unable to find main() in '%s'\n", className); 878 /* keep going */ 879 } else { 880 env->CallStaticVoidMethod(startClass, startMeth, strArray); 881 882#if 0 883 if (env->ExceptionCheck()) 884 threadExitUncaughtException(env); 885#endif 886 } 887 } 888 free(slashClassName); 889 890 ALOGD("Shutting down VM\n"); 891 if (mJavaVM->DetachCurrentThread() != JNI_OK) 892 ALOGW("Warning: unable to detach main thread\n"); 893 if (mJavaVM->DestroyJavaVM() != 0) 894 ALOGW("Warning: VM did not shut down cleanly\n"); 895} 896 897void AndroidRuntime::exit(int code) 898{ 899 if (mExitWithoutCleanup) { 900 ALOGI("VM exiting with result code %d, cleanup skipped.", code); 901 ::_exit(code); 902 } else { 903 ALOGI("VM exiting with result code %d.", code); 904 onExit(code); 905 ::exit(code); 906 } 907} 908 909void AndroidRuntime::onVmCreated(JNIEnv* env) 910{ 911 // If AndroidRuntime had anything to do here, we'd have done it in 'start'. 912} 913 914/* 915 * Get the JNIEnv pointer for this thread. 916 * 917 * Returns NULL if the slot wasn't allocated or populated. 918 */ 919/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 920{ 921 JNIEnv* env; 922 JavaVM* vm = AndroidRuntime::getJavaVM(); 923 assert(vm != NULL); 924 925 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 926 return NULL; 927 return env; 928} 929 930/* 931 * Makes the current thread visible to the VM. 932 * 933 * The JNIEnv pointer returned is only valid for the current thread, and 934 * thus must be tucked into thread-local storage. 935 */ 936static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 937{ 938 JavaVMAttachArgs args; 939 JavaVM* vm; 940 jint result; 941 942 vm = AndroidRuntime::getJavaVM(); 943 assert(vm != NULL); 944 945 args.version = JNI_VERSION_1_4; 946 args.name = (char*) threadName; 947 args.group = NULL; 948 949 result = vm->AttachCurrentThread(pEnv, (void*) &args); 950 if (result != JNI_OK) 951 ALOGI("NOTE: attach of thread '%s' failed\n", threadName); 952 953 return result; 954} 955 956/* 957 * Detach the current thread from the set visible to the VM. 958 */ 959static int javaDetachThread(void) 960{ 961 JavaVM* vm; 962 jint result; 963 964 vm = AndroidRuntime::getJavaVM(); 965 assert(vm != NULL); 966 967 result = vm->DetachCurrentThread(); 968 if (result != JNI_OK) 969 ALOGE("ERROR: thread detach failed\n"); 970 return result; 971} 972 973/* 974 * When starting a native thread that will be visible from the VM, we 975 * bounce through this to get the right attach/detach action. 976 * Note that this function calls free(args) 977 */ 978/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 979 void* start = ((void**)args)[0]; 980 void* userData = ((void **)args)[1]; 981 char* name = (char*) ((void **)args)[2]; // we own this storage 982 free(args); 983 JNIEnv* env; 984 int result; 985 986 /* hook us into the VM */ 987 if (javaAttachThread(name, &env) != JNI_OK) 988 return -1; 989 990 /* start the thread running */ 991 result = (*(android_thread_func_t)start)(userData); 992 993 /* unhook us */ 994 javaDetachThread(); 995 free(name); 996 997 return result; 998} 999 1000/* 1001 * This is invoked from androidCreateThreadEtc() via the callback 1002 * set with androidSetCreateThreadFunc(). 1003 * 1004 * We need to create the new thread in such a way that it gets hooked 1005 * into the VM before it really starts executing. 1006 */ 1007/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1008 android_thread_func_t entryFunction, 1009 void* userData, 1010 const char* threadName, 1011 int32_t threadPriority, 1012 size_t threadStackSize, 1013 android_thread_id_t* threadId) 1014{ 1015 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1016 int result; 1017 1018 assert(threadName != NULL); 1019 1020 args[0] = (void*) entryFunction; 1021 args[1] = userData; 1022 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1023 1024 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1025 threadName, threadPriority, threadStackSize, threadId); 1026 return result; 1027} 1028 1029/* 1030 * Create a thread that is visible from the VM. 1031 * 1032 * This is called from elsewhere in the library. 1033 */ 1034/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name, 1035 void (*start)(void *), void* arg) 1036{ 1037 android_thread_id_t threadId = 0; 1038 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1039 ANDROID_PRIORITY_DEFAULT, 0, &threadId); 1040 return threadId; 1041} 1042 1043#if 0 1044static void quickTest(void* arg) 1045{ 1046 const char* str = (const char*) arg; 1047 1048 printf("In quickTest: %s\n", str); 1049} 1050#endif 1051 1052#ifdef NDEBUG 1053 #define REG_JNI(name) { name } 1054 struct RegJNIRec { 1055 int (*mProc)(JNIEnv*); 1056 }; 1057#else 1058 #define REG_JNI(name) { name, #name } 1059 struct RegJNIRec { 1060 int (*mProc)(JNIEnv*); 1061 const char* mName; 1062 }; 1063#endif 1064 1065typedef void (*RegJAMProc)(); 1066 1067static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1068{ 1069 for (size_t i = 0; i < count; i++) { 1070 if (array[i].mProc(env) < 0) { 1071#ifndef NDEBUG 1072 ALOGD("----------!!! %s failed to load\n", array[i].mName); 1073#endif 1074 return -1; 1075 } 1076 } 1077 return 0; 1078} 1079 1080static void register_jam_procs(const RegJAMProc array[], size_t count) 1081{ 1082 for (size_t i = 0; i < count; i++) { 1083 array[i](); 1084 } 1085} 1086 1087static const RegJNIRec gRegJNI[] = { 1088 REG_JNI(register_android_debug_JNITest), 1089 REG_JNI(register_com_android_internal_os_RuntimeInit), 1090 REG_JNI(register_android_os_SystemClock), 1091 REG_JNI(register_android_util_EventLog), 1092 REG_JNI(register_android_util_Log), 1093 REG_JNI(register_android_util_FloatMath), 1094 REG_JNI(register_android_text_format_Time), 1095 REG_JNI(register_android_content_AssetManager), 1096 REG_JNI(register_android_content_StringBlock), 1097 REG_JNI(register_android_content_XmlBlock), 1098 REG_JNI(register_android_emoji_EmojiFactory), 1099 REG_JNI(register_android_text_AndroidCharacter), 1100 REG_JNI(register_android_text_AndroidBidi), 1101 REG_JNI(register_android_view_InputDevice), 1102 REG_JNI(register_android_view_KeyCharacterMap), 1103 REG_JNI(register_android_os_Process), 1104 REG_JNI(register_android_os_SystemProperties), 1105 REG_JNI(register_android_os_Binder), 1106 REG_JNI(register_android_os_Parcel), 1107 REG_JNI(register_android_view_DisplayEventReceiver), 1108 REG_JNI(register_android_nio_utils), 1109 REG_JNI(register_android_graphics_PixelFormat), 1110 REG_JNI(register_android_graphics_Graphics), 1111 REG_JNI(register_android_view_GLES20DisplayList), 1112 REG_JNI(register_android_view_GLES20Canvas), 1113 REG_JNI(register_android_view_HardwareRenderer), 1114 REG_JNI(register_android_view_Surface), 1115 REG_JNI(register_android_view_SurfaceControl), 1116 REG_JNI(register_android_view_SurfaceSession), 1117 REG_JNI(register_android_view_TextureView), 1118 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1119 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1120 REG_JNI(register_android_opengl_jni_EGL14), 1121 REG_JNI(register_android_opengl_jni_GLES10), 1122 REG_JNI(register_android_opengl_jni_GLES10Ext), 1123 REG_JNI(register_android_opengl_jni_GLES11), 1124 REG_JNI(register_android_opengl_jni_GLES11Ext), 1125 REG_JNI(register_android_opengl_jni_GLES20), 1126 1127 REG_JNI(register_android_graphics_Bitmap), 1128 REG_JNI(register_android_graphics_BitmapFactory), 1129 REG_JNI(register_android_graphics_BitmapRegionDecoder), 1130 REG_JNI(register_android_graphics_Camera), 1131 REG_JNI(register_android_graphics_Canvas), 1132 REG_JNI(register_android_graphics_ColorFilter), 1133 REG_JNI(register_android_graphics_DrawFilter), 1134 REG_JNI(register_android_graphics_Interpolator), 1135 REG_JNI(register_android_graphics_LayerRasterizer), 1136 REG_JNI(register_android_graphics_MaskFilter), 1137 REG_JNI(register_android_graphics_Matrix), 1138 REG_JNI(register_android_graphics_Movie), 1139 REG_JNI(register_android_graphics_NinePatch), 1140 REG_JNI(register_android_graphics_Paint), 1141 REG_JNI(register_android_graphics_Path), 1142 REG_JNI(register_android_graphics_PathMeasure), 1143 REG_JNI(register_android_graphics_PathEffect), 1144 REG_JNI(register_android_graphics_Picture), 1145 REG_JNI(register_android_graphics_PorterDuff), 1146 REG_JNI(register_android_graphics_Rasterizer), 1147 REG_JNI(register_android_graphics_Region), 1148 REG_JNI(register_android_graphics_Shader), 1149 REG_JNI(register_android_graphics_SurfaceTexture), 1150 REG_JNI(register_android_graphics_Typeface), 1151 REG_JNI(register_android_graphics_Xfermode), 1152 REG_JNI(register_android_graphics_YuvImage), 1153 1154 REG_JNI(register_android_database_CursorWindow), 1155 REG_JNI(register_android_database_SQLiteConnection), 1156 REG_JNI(register_android_database_SQLiteGlobal), 1157 REG_JNI(register_android_database_SQLiteDebug), 1158 REG_JNI(register_android_os_Debug), 1159 REG_JNI(register_android_os_FileObserver), 1160 REG_JNI(register_android_os_FileUtils), 1161 REG_JNI(register_android_os_MessageQueue), 1162 REG_JNI(register_android_os_ParcelFileDescriptor), 1163 REG_JNI(register_android_os_SELinux), 1164 REG_JNI(register_android_os_Trace), 1165 REG_JNI(register_android_os_UEventObserver), 1166 REG_JNI(register_android_net_LocalSocketImpl), 1167 REG_JNI(register_android_net_NetworkUtils), 1168 REG_JNI(register_android_net_TrafficStats), 1169 REG_JNI(register_android_net_wifi_WifiManager), 1170 REG_JNI(register_android_os_MemoryFile), 1171 REG_JNI(register_com_android_internal_os_ZygoteInit), 1172 REG_JNI(register_android_hardware_Camera), 1173 REG_JNI(register_android_hardware_SensorManager), 1174 REG_JNI(register_android_hardware_SerialPort), 1175 REG_JNI(register_android_hardware_UsbDevice), 1176 REG_JNI(register_android_hardware_UsbDeviceConnection), 1177 REG_JNI(register_android_hardware_UsbRequest), 1178 REG_JNI(register_android_media_AudioRecord), 1179 REG_JNI(register_android_media_AudioSystem), 1180 REG_JNI(register_android_media_AudioTrack), 1181 REG_JNI(register_android_media_JetPlayer), 1182 REG_JNI(register_android_media_RemoteDisplay), 1183 REG_JNI(register_android_media_ToneGenerator), 1184 1185 REG_JNI(register_android_opengl_classes), 1186 REG_JNI(register_android_server_NetworkManagementSocketTagger), 1187 REG_JNI(register_android_server_Watchdog), 1188 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1189 REG_JNI(register_android_backup_BackupDataInput), 1190 REG_JNI(register_android_backup_BackupDataOutput), 1191 REG_JNI(register_android_backup_FileBackupHelperBase), 1192 REG_JNI(register_android_backup_BackupHelperDispatcher), 1193 REG_JNI(register_android_app_backup_FullBackup), 1194 REG_JNI(register_android_app_ActivityThread), 1195 REG_JNI(register_android_app_NativeActivity), 1196 REG_JNI(register_android_view_InputChannel), 1197 REG_JNI(register_android_view_InputEventReceiver), 1198 REG_JNI(register_android_view_KeyEvent), 1199 REG_JNI(register_android_view_MotionEvent), 1200 REG_JNI(register_android_view_PointerIcon), 1201 REG_JNI(register_android_view_VelocityTracker), 1202 1203 REG_JNI(register_android_content_res_ObbScanner), 1204 REG_JNI(register_android_content_res_Configuration), 1205 1206 REG_JNI(register_android_animation_PropertyValuesHolder), 1207 REG_JNI(register_com_android_internal_content_NativeLibraryHelper), 1208 REG_JNI(register_com_android_internal_net_NetworkStatsFactory), 1209}; 1210 1211/* 1212 * Register android native functions with the VM. 1213 */ 1214/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1215{ 1216 /* 1217 * This hook causes all future threads created in this process to be 1218 * attached to the JavaVM. (This needs to go away in favor of JNI 1219 * Attach calls.) 1220 */ 1221 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1222 1223 ALOGV("--- registering native functions ---\n"); 1224 1225 /* 1226 * Every "register" function calls one or more things that return 1227 * a local reference (e.g. FindClass). Because we haven't really 1228 * started the VM yet, they're all getting stored in the base frame 1229 * and never released. Use Push/Pop to manage the storage. 1230 */ 1231 env->PushLocalFrame(200); 1232 1233 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1234 env->PopLocalFrame(NULL); 1235 return -1; 1236 } 1237 env->PopLocalFrame(NULL); 1238 1239 //createJavaThread("fubar", quickTest, (void*) "hello"); 1240 1241 return 0; 1242} 1243 1244AndroidRuntime* AndroidRuntime::getRuntime() 1245{ 1246 return gCurRuntime; 1247} 1248 1249/** 1250 * Used by WithFramework to register native functions. 1251 */ 1252extern "C" 1253jint Java_com_android_internal_util_WithFramework_registerNatives( 1254 JNIEnv* env, jclass clazz) { 1255 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1256} 1257 1258/** 1259 * Used by LoadClass to register native functions. 1260 */ 1261extern "C" 1262jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1263 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1264} 1265 1266} // namespace android 1267