AndroidRuntime.cpp revision e090f3bc9efa052b5c69442633d24e67aa3387a1
1/* //device/libs/android_runtime/AndroidRuntime.cpp 2** 3** Copyright 2006, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#define LOG_TAG "AndroidRuntime" 19//#define LOG_NDEBUG 0 20 21#include <android_runtime/AndroidRuntime.h> 22#include <binder/IBinder.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_Camera(JNIEnv* env); 57extern int register_android_graphics_Graphics(JNIEnv* env); 58extern int register_android_graphics_Interpolator(JNIEnv* env); 59extern int register_android_graphics_LayerRasterizer(JNIEnv*); 60extern int register_android_graphics_MaskFilter(JNIEnv* env); 61extern int register_android_graphics_Movie(JNIEnv* env); 62extern int register_android_graphics_NinePatch(JNIEnv*); 63extern int register_android_graphics_PathEffect(JNIEnv* env); 64extern int register_android_graphics_Region(JNIEnv* env); 65extern int register_android_graphics_Shader(JNIEnv* env); 66extern int register_android_graphics_Typeface(JNIEnv* env); 67 68extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 69extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 70extern int register_android_opengl_jni_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); 74 75extern int register_android_hardware_Camera(JNIEnv *env); 76 77extern int register_android_hardware_SensorManager(JNIEnv *env); 78 79extern int register_android_media_AudioRecord(JNIEnv *env); 80extern int register_android_media_AudioSystem(JNIEnv *env); 81extern int register_android_media_AudioTrack(JNIEnv *env); 82extern int register_android_media_JetPlayer(JNIEnv *env); 83extern int register_android_media_ToneGenerator(JNIEnv *env); 84 85extern int register_android_message_digest_sha1(JNIEnv *env); 86 87extern int register_android_util_FloatMath(JNIEnv* env); 88 89namespace android { 90 91/* 92 * JNI-based registration functions. Note these are properly contained in 93 * namespace android. 94 */ 95extern int register_android_content_AssetManager(JNIEnv* env); 96extern int register_android_util_EventLog(JNIEnv* env); 97extern int register_android_util_Log(JNIEnv* env); 98extern int register_android_content_StringBlock(JNIEnv* env); 99extern int register_android_content_XmlBlock(JNIEnv* env); 100extern int register_android_emoji_EmojiFactory(JNIEnv* env); 101extern int register_android_graphics_Canvas(JNIEnv* env); 102extern int register_android_graphics_ColorFilter(JNIEnv* env); 103extern int register_android_graphics_DrawFilter(JNIEnv* env); 104extern int register_android_graphics_Matrix(JNIEnv* env); 105extern int register_android_graphics_Paint(JNIEnv* env); 106extern int register_android_graphics_Path(JNIEnv* env); 107extern int register_android_graphics_PathMeasure(JNIEnv* env); 108extern int register_android_graphics_Picture(JNIEnv*); 109extern int register_android_graphics_PorterDuff(JNIEnv* env); 110extern int register_android_graphics_Rasterizer(JNIEnv* env); 111extern int register_android_graphics_Xfermode(JNIEnv* env); 112extern int register_android_graphics_PixelFormat(JNIEnv* env); 113extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 114extern int register_android_view_Display(JNIEnv* env); 115extern int register_android_view_Surface(JNIEnv* env); 116extern int register_android_view_ViewRoot(JNIEnv* env); 117extern int register_android_database_CursorWindow(JNIEnv* env); 118extern int register_android_database_SQLiteDatabase(JNIEnv* env); 119extern int register_android_database_SQLiteDebug(JNIEnv* env); 120extern int register_android_database_SQLiteProgram(JNIEnv* env); 121extern int register_android_database_SQLiteQuery(JNIEnv* env); 122extern int register_android_database_SQLiteStatement(JNIEnv* env); 123extern int register_android_debug_JNITest(JNIEnv* env); 124extern int register_android_nio_utils(JNIEnv* env); 125extern int register_android_pim_EventRecurrence(JNIEnv* env); 126extern int register_android_text_format_Time(JNIEnv* env); 127extern int register_android_os_Debug(JNIEnv* env); 128extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 129extern int register_android_os_Power(JNIEnv *env); 130extern int register_android_os_StatFs(JNIEnv *env); 131extern int register_android_os_SystemProperties(JNIEnv *env); 132extern int register_android_os_Hardware(JNIEnv* env); 133extern int register_android_os_SystemClock(JNIEnv* env); 134extern int register_android_os_FileObserver(JNIEnv *env); 135extern int register_android_os_FileUtils(JNIEnv *env); 136extern int register_android_os_UEventObserver(JNIEnv* env); 137extern int register_android_os_MemoryFile(JNIEnv* env); 138extern int register_android_net_LocalSocketImpl(JNIEnv* env); 139extern int register_android_net_NetworkUtils(JNIEnv* env); 140extern int register_android_net_wifi_WifiManager(JNIEnv* env); 141extern int register_android_security_Md5MessageDigest(JNIEnv *env); 142extern int register_android_text_AndroidCharacter(JNIEnv *env); 143extern int register_android_text_KeyCharacterMap(JNIEnv *env); 144extern int register_android_opengl_classes(JNIEnv *env); 145extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 146extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 147extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env); 148extern int register_android_bluetooth_ScoSocket(JNIEnv *env); 149extern int register_android_server_BluetoothDeviceService(JNIEnv* env); 150extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 151extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 152extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 153extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 154extern int register_android_util_Base64(JNIEnv* env); 155extern int register_android_location_GpsLocationProvider(JNIEnv* env); 156extern int register_android_backup_BackupDataInput(JNIEnv *env); 157extern int register_android_backup_BackupDataOutput(JNIEnv *env); 158extern int register_android_backup_FileBackupHelper(JNIEnv *env); 159extern int register_android_backup_RestoreHelperBase(JNIEnv *env); 160 161static AndroidRuntime* gCurRuntime = NULL; 162 163static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 164{ 165 if (jniThrowException(env, exc, msg) != 0) 166 assert(false); 167} 168 169/* 170 * Code written in the Java Programming Language calls here from main(). 171 */ 172static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 173{ 174 gCurRuntime->onStarted(); 175} 176 177static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 178{ 179 gCurRuntime->onZygoteInit(); 180} 181 182static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 183{ 184 return 1; 185} 186 187static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 188{ 189} 190 191static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 192{ 193 char* value = getenv("qwerty"); 194 if (value != NULL && strcmp(value, "true") == 0) { 195 return 1; 196 } 197 198 return 0; 199} 200 201/* 202 * JNI registration. 203 */ 204static JNINativeMethod gMethods[] = { 205 { "finishInit", "()V", 206 (void*) com_android_internal_os_RuntimeInit_finishInit }, 207 { "zygoteInitNative", "()V", 208 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 209 { "isComputerOn", "()I", 210 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 211 { "turnComputerOn", "()V", 212 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 213 { "getQwertyKeyboard", "()I", 214 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 215}; 216 217int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 218{ 219 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 220 gMethods, NELEM(gMethods)); 221} 222 223// ---------------------------------------------------------------------- 224 225/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 226 227 228AndroidRuntime::AndroidRuntime() 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} 262 263/* 264 * Call a static Java Programming Language function that takes no arguments and returns void. 265 */ 266status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 267{ 268 JNIEnv* env; 269 jclass clazz; 270 jmethodID methodId; 271 272 env = getJNIEnv(); 273 if (env == NULL) 274 return UNKNOWN_ERROR; 275 276 clazz = findClass(env, className); 277 if (clazz == NULL) { 278 LOGE("ERROR: could not find class '%s'\n", className); 279 return UNKNOWN_ERROR; 280 } 281 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 282 if (methodId == NULL) { 283 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 284 return UNKNOWN_ERROR; 285 } 286 287 env->CallStaticVoidMethod(clazz, methodId); 288 289 return NO_ERROR; 290} 291 292status_t AndroidRuntime::callMain( 293 const char* className, int argc, const char* const argv[]) 294{ 295 JNIEnv* env; 296 jclass clazz; 297 jmethodID methodId; 298 299 env = getJNIEnv(); 300 if (env == NULL) 301 return UNKNOWN_ERROR; 302 303 clazz = findClass(env, className); 304 if (clazz == NULL) { 305 LOGE("ERROR: could not find class '%s'\n", className); 306 return UNKNOWN_ERROR; 307 } 308 309 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 310 if (methodId == NULL) { 311 LOGE("ERROR: could not find method %s.main(String[])\n", className); 312 return UNKNOWN_ERROR; 313 } 314 315 /* 316 * We want to call main() with a String array with our arguments in it. 317 * Create an array and populate it. 318 */ 319 jclass stringClass; 320 jobjectArray strArray; 321 322 stringClass = env->FindClass("java/lang/String"); 323 strArray = env->NewObjectArray(argc, stringClass, NULL); 324 325 for (int i = 0; i < argc; i++) { 326 jstring argStr = env->NewStringUTF(argv[i]); 327 env->SetObjectArrayElement(strArray, i, argStr); 328 } 329 330 env->CallStaticVoidMethod(clazz, methodId, strArray); 331 return NO_ERROR; 332} 333 334/* 335 * Find the named class. 336 */ 337jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 338{ 339 char* convName = NULL; 340 341 if (env->ExceptionCheck()) { 342 LOGE("ERROR: exception pending on entry to findClass()\n"); 343 return NULL; 344 } 345 346 /* 347 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 348 * uses the dotted "binary name" format. We don't need to convert the 349 * name with the new approach. 350 */ 351#if 0 352 /* (convName only created if necessary -- use className) */ 353 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 354 if (*cp == '.') { 355 if (convName == NULL) { 356 convName = strdup(className); 357 cp = convName + (cp-className); 358 className = convName; 359 } 360 *cp = '/'; 361 } 362 } 363#endif 364 365 /* 366 * This is a little awkward because the JNI FindClass call uses the 367 * class loader associated with the native method we're executing in. 368 * Because this native method is part of a "boot" class, JNI doesn't 369 * look for the class in CLASSPATH, which unfortunately is a likely 370 * location for it. (Had we issued the FindClass call before calling 371 * into the VM -- at which point there isn't a native method frame on 372 * the stack -- the VM would have checked CLASSPATH. We have to do 373 * this because we call into Java Programming Language code and 374 * bounce back out.) 375 * 376 * JNI lacks a "find class in a specific class loader" operation, so we 377 * have to do things the hard way. 378 */ 379 jclass cls = NULL; 380 //cls = env->FindClass(className); 381 382 jclass javaLangClassLoader; 383 jmethodID getSystemClassLoader, loadClass; 384 jobject systemClassLoader; 385 jstring strClassName; 386 387 /* find the "system" class loader; none of this is expected to fail */ 388 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 389 assert(javaLangClassLoader != NULL); 390 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 391 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 392 loadClass = env->GetMethodID(javaLangClassLoader, 393 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 394 assert(getSystemClassLoader != NULL && loadClass != NULL); 395 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 396 getSystemClassLoader); 397 assert(systemClassLoader != NULL); 398 399 /* create an object for the class name string; alloc could fail */ 400 strClassName = env->NewStringUTF(className); 401 if (env->ExceptionCheck()) { 402 LOGE("ERROR: unable to convert '%s' to string\n", className); 403 goto bail; 404 } 405 LOGV("system class loader is %p, loading %p (%s)\n", 406 systemClassLoader, strClassName, className); 407 408 /* try to find the named class */ 409 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 410 strClassName); 411 if (env->ExceptionCheck()) { 412 LOGE("ERROR: unable to load class '%s' from %p\n", 413 className, systemClassLoader); 414 cls = NULL; 415 goto bail; 416 } 417 418bail: 419 free(convName); 420 return cls; 421} 422 423/* 424 * The VM calls this through the "exit" hook. 425 */ 426static void runtime_exit(int code) 427{ 428 gCurRuntime->onExit(code); 429 exit(code); 430} 431 432/* 433 * The VM calls this through the "vfprintf" hook. 434 * 435 * We ignore "fp" and just write the results to the log file. 436 */ 437static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 438{ 439 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 440} 441 442 443/** 444 * Add VM arguments to the to-be-executed VM 445 * Stops at first non '-' argument (also stops at an argument of '--') 446 * Returns the number of args consumed 447 */ 448int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 449{ 450 int i; 451 452 for (i = 0; i<argc; i++) { 453 if (argv[i][0] != '-') { 454 return i; 455 } 456 if (argv[i][1] == '-' && argv[i][2] == 0) { 457 return i+1; 458 } 459 460 JavaVMOption opt; 461 memset(&opt, 0, sizeof(opt)); 462 opt.optionString = (char*)argv[i]; 463 mOptions.add(opt); 464 } 465 return i; 466} 467 468static int hasDir(const char* dir) 469{ 470 struct stat s; 471 int res = stat(dir, &s); 472 if (res == 0) { 473 return S_ISDIR(s.st_mode); 474 } 475 return 0; 476} 477 478/* 479 * We just want failed write() calls to just return with an error. 480 */ 481static void blockSigpipe() 482{ 483 sigset_t mask; 484 485 sigemptyset(&mask); 486 sigaddset(&mask, SIGPIPE); 487 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 488 LOGW("WARNING: SIGPIPE not blocked\n"); 489} 490 491/* 492 * Read the persistent locale. 493 */ 494static void readLocale(char* language, char* region) 495{ 496 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 497 498 property_get("persist.sys.language", propLang, ""); 499 property_get("persist.sys.country", propRegn, ""); 500 if (*propLang == 0 && *propRegn == 0) { 501 /* Set to ro properties, default is en_US */ 502 property_get("ro.product.locale.language", propLang, "en"); 503 property_get("ro.product.locale.region", propRegn, "US"); 504 } 505 strncat(language, propLang, 2); 506 strncat(region, propRegn, 2); 507 //LOGD("language=%s region=%s\n", language, region); 508} 509 510/* 511 * Start the Dalvik Virtual Machine. 512 * 513 * Various arguments, most determined by system properties, are passed in. 514 * The "mOptions" vector is updated. 515 * 516 * Returns 0 on success. 517 */ 518int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 519{ 520 int result = -1; 521 JavaVMInitArgs initArgs; 522 JavaVMOption opt; 523 char propBuf[PROPERTY_VALUE_MAX]; 524 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 525 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 526 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 527 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 528 char* stackTraceFile = NULL; 529 bool checkJni = false; 530 bool checkDexSum = false; 531 bool logStdio = false; 532 enum { 533 kEMDefault, 534 kEMIntPortable, 535 kEMIntFast, 536#if defined(WITH_JIT) 537 kEMJitCompiler, 538#endif 539 } executionMode = kEMDefault; 540 541 542 property_get("dalvik.vm.checkjni", propBuf, ""); 543 if (strcmp(propBuf, "true") == 0) { 544 checkJni = true; 545 } else if (strcmp(propBuf, "false") != 0) { 546 /* property is neither true nor false; fall back on kernel parameter */ 547 property_get("ro.kernel.android.checkjni", propBuf, ""); 548 if (propBuf[0] == '1') { 549 checkJni = true; 550 } 551 } 552 553 property_get("dalvik.vm.execution-mode", propBuf, ""); 554 if (strcmp(propBuf, "int:portable") == 0) { 555 executionMode = kEMIntPortable; 556 } else if (strcmp(propBuf, "int:fast") == 0) { 557 executionMode = kEMIntFast; 558#if defined(WITH_JIT) 559 } else if (strcmp(propBuf, "int:jit") == 0) { 560 executionMode = kEMJitCompiler; 561#endif 562 } 563 564 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 565 566 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 567 if (strcmp(propBuf, "true") == 0) { 568 checkDexSum = true; 569 } 570 571 property_get("log.redirect-stdio", propBuf, ""); 572 if (strcmp(propBuf, "true") == 0) { 573 logStdio = true; 574 } 575 576 strcpy(enableAssertBuf, "-ea:"); 577 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 578 579 strcpy(jniOptsBuf, "-Xjniopts:"); 580 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 581 582 /* route exit() to our handler */ 583 opt.extraInfo = (void*) runtime_exit; 584 opt.optionString = "exit"; 585 mOptions.add(opt); 586 587 /* route fprintf() to our handler */ 588 opt.extraInfo = (void*) runtime_vfprintf; 589 opt.optionString = "vfprintf"; 590 mOptions.add(opt); 591 592 opt.extraInfo = NULL; 593 594 /* enable verbose; standard options are { jni, gc, class } */ 595 //options[curOpt++].optionString = "-verbose:jni"; 596 opt.optionString = "-verbose:gc"; 597 mOptions.add(opt); 598 //options[curOpt++].optionString = "-verbose:class"; 599 600#ifdef CUSTOM_RUNTIME_HEAP_MAX 601#define __make_max_heap_opt(val) #val 602#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val) 603 opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX); 604#undef __make_max_heap_opt 605#undef _make_max_heap_opt 606#else 607 /* limit memory use to 16MB */ 608 opt.optionString = "-Xmx16m"; 609#endif 610 mOptions.add(opt); 611 612 /* 613 * Enable or disable dexopt features, such as bytecode verification and 614 * calculation of register maps for precise GC. 615 */ 616 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 617 if (dexoptFlagsBuf[0] != '\0') { 618 const char* opc; 619 const char* val; 620 621 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 622 if (opc != NULL) { 623 switch (*(opc+2)) { 624 case 'n': val = "-Xverify:none"; break; 625 case 'r': val = "-Xverify:remote"; break; 626 case 'a': val = "-Xverify:all"; break; 627 default: val = NULL; break; 628 } 629 630 if (val != NULL) { 631 opt.optionString = val; 632 mOptions.add(opt); 633 } 634 } 635 636 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 637 if (opc != NULL) { 638 switch (*(opc+2)) { 639 case 'n': val = "-Xdexopt:none"; break; 640 case 'v': val = "-Xdexopt:verified"; break; 641 case 'a': val = "-Xdexopt:all"; break; 642 default: val = NULL; break; 643 } 644 645 if (val != NULL) { 646 opt.optionString = val; 647 mOptions.add(opt); 648 } 649 } 650 651 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 652 if (opc != NULL) { 653 opt.optionString = "-Xgenregmap"; 654 mOptions.add(opt); 655 656 /* turn on precise GC while we're at it */ 657 opt.optionString = "-Xgc:precise"; 658 mOptions.add(opt); 659 } 660 } 661 662 /* enable debugging; set suspend=y to pause during VM init */ 663#ifdef HAVE_ANDROID_OS 664 /* use android ADB transport */ 665 opt.optionString = 666 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 667#else 668 /* use TCP socket; address=0 means start at port 8000 and probe up */ 669 LOGI("Using TCP socket for JDWP\n"); 670 opt.optionString = 671 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 672#endif 673 mOptions.add(opt); 674 675 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 676 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 677 if (strlen(propBuf) > 0) { 678 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 679 strcat(enableDPBuf, propBuf); 680 opt.optionString = enableDPBuf; 681 mOptions.add(opt); 682 } 683 684 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 685 if (checkJni) { 686 /* extended JNI checking */ 687 opt.optionString = "-Xcheck:jni"; 688 mOptions.add(opt); 689 690 /* set a cap on JNI global references */ 691 opt.optionString = "-Xjnigreflimit:2000"; 692 mOptions.add(opt); 693 694 /* with -Xcheck:jni, this provides a JNI function call trace */ 695 //opt.optionString = "-verbose:jni"; 696 //mOptions.add(opt); 697 } 698 699#if defined(WITH_JIT) 700 /* Minimal profile threshold to trigger JIT compilation */ 701 char jitThresholdBuf[sizeof("-Xthreshold:") + PROPERTY_VALUE_MAX]; 702 property_get("dalvik.vm.jit.threshold", propBuf, ""); 703 if (strlen(propBuf) > 0) { 704 strcpy(jitThresholdBuf, "-Xthreshold:"); 705 strcat(jitThresholdBuf, propBuf); 706 opt.optionString = jitThresholdBuf; 707 mOptions.add(opt); 708 } 709 710 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 711 char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX]; 712 property_get("dalvik.vm.jit.op", propBuf, ""); 713 if (strlen(propBuf) > 0) { 714 strcpy(jitOpBuf, "-Xjitop:"); 715 strcat(jitOpBuf, propBuf); 716 opt.optionString = jitOpBuf; 717 mOptions.add(opt); 718 } 719 720 /* 721 * Reverse the polarity of dalvik.vm.jit.op and force interpreter-only 722 * for non-selected opcodes. 723 */ 724 property_get("dalvik.vm.jit.includeop", propBuf, ""); 725 if (strlen(propBuf) > 0) { 726 opt.optionString = "-Xincludeselectedop"; 727 mOptions.add(opt); 728 } 729 730 /* Force interpreter-only mode for selected methods */ 731 char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX]; 732 property_get("dalvik.vm.jit.method", propBuf, ""); 733 if (strlen(propBuf) > 0) { 734 strcpy(jitMethodBuf, "-Xjitmethod:"); 735 strcat(jitMethodBuf, propBuf); 736 opt.optionString = jitMethodBuf; 737 mOptions.add(opt); 738 } 739 740 /* 741 * Reverse the polarity of dalvik.vm.jit.method and force interpreter-only 742 * for non-selected methods. 743 */ 744 property_get("dalvik.vm.jit.includemethod", propBuf, ""); 745 if (strlen(propBuf) > 0) { 746 opt.optionString = "-Xincludeselectedmethod"; 747 mOptions.add(opt); 748 } 749#endif 750 751 if (executionMode == kEMIntPortable) { 752 opt.optionString = "-Xint:portable"; 753 mOptions.add(opt); 754 } else if (executionMode == kEMIntFast) { 755 opt.optionString = "-Xint:fast"; 756 mOptions.add(opt); 757#if defined(WITH_JIT) 758 } else if (executionMode == kEMJitCompiler) { 759 opt.optionString = "-Xint:jit"; 760 mOptions.add(opt); 761#endif 762 } 763 764 if (checkDexSum) { 765 /* perform additional DEX checksum tests */ 766 opt.optionString = "-Xcheckdexsum"; 767 mOptions.add(opt); 768 } 769 770 if (logStdio) { 771 /* convert stdout/stderr to log messages */ 772 opt.optionString = "-Xlog-stdio"; 773 mOptions.add(opt); 774 } 775 776 if (enableAssertBuf[4] != '\0') { 777 /* accept "all" to mean "all classes and packages" */ 778 if (strcmp(enableAssertBuf+4, "all") == 0) 779 enableAssertBuf[3] = '\0'; 780 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 781 opt.optionString = enableAssertBuf; 782 mOptions.add(opt); 783 } else { 784 LOGV("Assertions disabled\n"); 785 } 786 787 if (jniOptsBuf[10] != '\0') { 788 LOGI("JNI options: '%s'\n", jniOptsBuf); 789 opt.optionString = jniOptsBuf; 790 mOptions.add(opt); 791 } 792 793 if (stackTraceFileBuf[0] != '\0') { 794 static const char* stfOptName = "-Xstacktracefile:"; 795 796 stackTraceFile = (char*) malloc(strlen(stfOptName) + 797 strlen(stackTraceFileBuf) +1); 798 strcpy(stackTraceFile, stfOptName); 799 strcat(stackTraceFile, stackTraceFileBuf); 800 opt.optionString = stackTraceFile; 801 mOptions.add(opt); 802 } 803 804 /* Set the properties for locale */ 805 { 806 char langOption[sizeof("-Duser.language=") + 3]; 807 char regionOption[sizeof("-Duser.region=") + 3]; 808 strcpy(langOption, "-Duser.language="); 809 strcpy(regionOption, "-Duser.region="); 810 readLocale(langOption, regionOption); 811 opt.extraInfo = NULL; 812 opt.optionString = langOption; 813 mOptions.add(opt); 814 opt.optionString = regionOption; 815 mOptions.add(opt); 816 } 817 818 /* 819 * We don't have /tmp on the device, but we often have an SD card. Apps 820 * shouldn't use this, but some test suites might want to exercise it. 821 */ 822 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 823 mOptions.add(opt); 824 825 initArgs.version = JNI_VERSION_1_4; 826 initArgs.options = mOptions.editArray(); 827 initArgs.nOptions = mOptions.size(); 828 initArgs.ignoreUnrecognized = JNI_FALSE; 829 830 /* 831 * Initialize the VM. 832 * 833 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 834 * If this call succeeds, the VM is ready, and we can start issuing 835 * JNI calls. 836 */ 837 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 838 LOGE("JNI_CreateJavaVM failed\n"); 839 goto bail; 840 } 841 842 result = 0; 843 844bail: 845 free(stackTraceFile); 846 return result; 847} 848 849/* 850 * Start the Android runtime. This involves starting the virtual machine 851 * and calling the "static void main(String[] args)" method in the class 852 * named by "className". 853 */ 854void AndroidRuntime::start(const char* className, const bool startSystemServer) 855{ 856 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 857 858 char* slashClassName = NULL; 859 char* cp; 860 JNIEnv* env; 861 862 blockSigpipe(); 863 864 /* 865 * 'startSystemServer == true' means runtime is obslete and not run from 866 * init.rc anymore, so we print out the boot start event here. 867 */ 868 if (startSystemServer) { 869 /* track our progress through the boot sequence */ 870 const int LOG_BOOT_PROGRESS_START = 3000; 871 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 872 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 873 } 874 875 const char* rootDir = getenv("ANDROID_ROOT"); 876 if (rootDir == NULL) { 877 rootDir = "/system"; 878 if (!hasDir("/system")) { 879 LOG_FATAL("No root directory specified, and /android does not exist."); 880 goto bail; 881 } 882 setenv("ANDROID_ROOT", rootDir, 1); 883 } 884 885 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 886 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 887 888 /* start the virtual machine */ 889 if (startVm(&mJavaVM, &env) != 0) 890 goto bail; 891 892 /* 893 * Register android functions. 894 */ 895 if (startReg(env) < 0) { 896 LOGE("Unable to register all android natives\n"); 897 goto bail; 898 } 899 900 /* 901 * We want to call main() with a String array with arguments in it. 902 * At present we only have one argument, the class name. Create an 903 * array to hold it. 904 */ 905 jclass stringClass; 906 jobjectArray strArray; 907 jstring classNameStr; 908 jstring startSystemServerStr; 909 910 stringClass = env->FindClass("java/lang/String"); 911 assert(stringClass != NULL); 912 strArray = env->NewObjectArray(2, stringClass, NULL); 913 assert(strArray != NULL); 914 classNameStr = env->NewStringUTF(className); 915 assert(classNameStr != NULL); 916 env->SetObjectArrayElement(strArray, 0, classNameStr); 917 startSystemServerStr = env->NewStringUTF(startSystemServer ? 918 "true" : "false"); 919 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 920 921 /* 922 * Start VM. This thread becomes the main thread of the VM, and will 923 * not return until the VM exits. 924 */ 925 jclass startClass; 926 jmethodID startMeth; 927 928 slashClassName = strdup(className); 929 for (cp = slashClassName; *cp != '\0'; cp++) 930 if (*cp == '.') 931 *cp = '/'; 932 933 startClass = env->FindClass(slashClassName); 934 if (startClass == NULL) { 935 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 936 /* keep going */ 937 } else { 938 startMeth = env->GetStaticMethodID(startClass, "main", 939 "([Ljava/lang/String;)V"); 940 if (startMeth == NULL) { 941 LOGE("JavaVM unable to find main() in '%s'\n", className); 942 /* keep going */ 943 } else { 944 env->CallStaticVoidMethod(startClass, startMeth, strArray); 945 946#if 0 947 if (env->ExceptionCheck()) 948 threadExitUncaughtException(env); 949#endif 950 } 951 } 952 953 LOGD("Shutting down VM\n"); 954 if (mJavaVM->DetachCurrentThread() != JNI_OK) 955 LOGW("Warning: unable to detach main thread\n"); 956 if (mJavaVM->DestroyJavaVM() != 0) 957 LOGW("Warning: VM did not shut down cleanly\n"); 958 959bail: 960 free(slashClassName); 961} 962 963void AndroidRuntime::start() 964{ 965 start("com.android.internal.os.RuntimeInit", 966 false /* Don't start the system server */); 967} 968 969void AndroidRuntime::onExit(int code) 970{ 971 LOGI("AndroidRuntime onExit calling exit(%d)", code); 972 exit(code); 973} 974 975/* 976 * Get the JNIEnv pointer for this thread. 977 * 978 * Returns NULL if the slot wasn't allocated or populated. 979 */ 980/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 981{ 982 JNIEnv* env; 983 JavaVM* vm = AndroidRuntime::getJavaVM(); 984 assert(vm != NULL); 985 986 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 987 return NULL; 988 return env; 989} 990 991/* 992 * Makes the current thread visible to the VM. 993 * 994 * The JNIEnv pointer returned is only valid for the current thread, and 995 * thus must be tucked into thread-local storage. 996 */ 997static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 998{ 999 JavaVMAttachArgs args; 1000 JavaVM* vm; 1001 jint result; 1002 1003 vm = AndroidRuntime::getJavaVM(); 1004 assert(vm != NULL); 1005 1006 args.version = JNI_VERSION_1_4; 1007 args.name = (char*) threadName; 1008 args.group = NULL; 1009 1010 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1011 if (result != JNI_OK) 1012 LOGE("ERROR: thread attach failed\n"); 1013 1014 return result; 1015} 1016 1017/* 1018 * Detach the current thread from the set visible to the VM. 1019 */ 1020static int javaDetachThread(void) 1021{ 1022 JavaVM* vm; 1023 jint result; 1024 1025 vm = AndroidRuntime::getJavaVM(); 1026 assert(vm != NULL); 1027 1028 result = vm->DetachCurrentThread(); 1029 if (result != JNI_OK) 1030 LOGE("ERROR: thread detach failed\n"); 1031 return result; 1032} 1033 1034/* 1035 * When starting a native thread that will be visible from the VM, we 1036 * bounce through this to get the right attach/detach action. 1037 * Note that this function calls free(args) 1038 */ 1039/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1040 void* start = ((void**)args)[0]; 1041 void* userData = ((void **)args)[1]; 1042 char* name = (char*) ((void **)args)[2]; // we own this storage 1043 free(args); 1044 JNIEnv* env; 1045 int result; 1046 1047 /* hook us into the VM */ 1048 if (javaAttachThread(name, &env) != JNI_OK) 1049 return -1; 1050 1051 /* start the thread running */ 1052 result = (*(android_thread_func_t)start)(userData); 1053 1054 /* unhook us */ 1055 javaDetachThread(); 1056 free(name); 1057 1058 return result; 1059} 1060 1061/* 1062 * This is invoked from androidCreateThreadEtc() via the callback 1063 * set with androidSetCreateThreadFunc(). 1064 * 1065 * We need to create the new thread in such a way that it gets hooked 1066 * into the VM before it really starts executing. 1067 */ 1068/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1069 android_thread_func_t entryFunction, 1070 void* userData, 1071 const char* threadName, 1072 int32_t threadPriority, 1073 size_t threadStackSize, 1074 android_thread_id_t* threadId) 1075{ 1076 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1077 int result; 1078 1079 assert(threadName != NULL); 1080 1081 args[0] = (void*) entryFunction; 1082 args[1] = userData; 1083 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1084 1085 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1086 threadName, threadPriority, threadStackSize, threadId); 1087 return result; 1088} 1089 1090/* 1091 * Create a thread that is visible from the VM. 1092 * 1093 * This is called from elsewhere in the library. 1094 */ 1095/*static*/ void AndroidRuntime::createJavaThread(const char* name, 1096 void (*start)(void *), void* arg) 1097{ 1098 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1099 ANDROID_PRIORITY_DEFAULT, 0, NULL); 1100} 1101 1102#if 0 1103static void quickTest(void* arg) 1104{ 1105 const char* str = (const char*) arg; 1106 1107 printf("In quickTest: %s\n", str); 1108} 1109#endif 1110 1111#ifdef NDEBUG 1112 #define REG_JNI(name) { name } 1113 struct RegJNIRec { 1114 int (*mProc)(JNIEnv*); 1115 }; 1116#else 1117 #define REG_JNI(name) { name, #name } 1118 struct RegJNIRec { 1119 int (*mProc)(JNIEnv*); 1120 const char* mName; 1121 }; 1122#endif 1123 1124typedef void (*RegJAMProc)(); 1125 1126static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1127{ 1128 for (size_t i = 0; i < count; i++) { 1129 if (array[i].mProc(env) < 0) { 1130#ifndef NDEBUG 1131 LOGD("----------!!! %s failed to load\n", array[i].mName); 1132#endif 1133 return -1; 1134 } 1135 } 1136 return 0; 1137} 1138 1139static void register_jam_procs(const RegJAMProc array[], size_t count) 1140{ 1141 for (size_t i = 0; i < count; i++) { 1142 array[i](); 1143 } 1144} 1145 1146static const RegJNIRec gRegJNI[] = { 1147 REG_JNI(register_android_debug_JNITest), 1148 REG_JNI(register_com_android_internal_os_RuntimeInit), 1149 REG_JNI(register_android_os_SystemClock), 1150 REG_JNI(register_android_util_EventLog), 1151 REG_JNI(register_android_util_Log), 1152 REG_JNI(register_android_util_FloatMath), 1153 REG_JNI(register_android_text_format_Time), 1154 REG_JNI(register_android_pim_EventRecurrence), 1155 REG_JNI(register_android_content_AssetManager), 1156 REG_JNI(register_android_content_StringBlock), 1157 REG_JNI(register_android_content_XmlBlock), 1158 REG_JNI(register_android_emoji_EmojiFactory), 1159 REG_JNI(register_android_security_Md5MessageDigest), 1160 REG_JNI(register_android_text_AndroidCharacter), 1161 REG_JNI(register_android_text_KeyCharacterMap), 1162 REG_JNI(register_android_os_Process), 1163 REG_JNI(register_android_os_Binder), 1164 REG_JNI(register_android_os_Hardware), 1165 REG_JNI(register_android_view_Display), 1166 REG_JNI(register_android_nio_utils), 1167 REG_JNI(register_android_graphics_PixelFormat), 1168 REG_JNI(register_android_graphics_Graphics), 1169 REG_JNI(register_android_view_Surface), 1170 REG_JNI(register_android_view_ViewRoot), 1171 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1172 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1173 REG_JNI(register_android_opengl_jni_GLES10), 1174 REG_JNI(register_android_opengl_jni_GLES10Ext), 1175 REG_JNI(register_android_opengl_jni_GLES11), 1176 REG_JNI(register_android_opengl_jni_GLES11Ext), 1177 1178 REG_JNI(register_android_graphics_Bitmap), 1179 REG_JNI(register_android_graphics_BitmapFactory), 1180 REG_JNI(register_android_graphics_Camera), 1181 REG_JNI(register_android_graphics_Canvas), 1182 REG_JNI(register_android_graphics_ColorFilter), 1183 REG_JNI(register_android_graphics_DrawFilter), 1184 REG_JNI(register_android_graphics_Interpolator), 1185 REG_JNI(register_android_graphics_LayerRasterizer), 1186 REG_JNI(register_android_graphics_MaskFilter), 1187 REG_JNI(register_android_graphics_Matrix), 1188 REG_JNI(register_android_graphics_Movie), 1189 REG_JNI(register_android_graphics_NinePatch), 1190 REG_JNI(register_android_graphics_Paint), 1191 REG_JNI(register_android_graphics_Path), 1192 REG_JNI(register_android_graphics_PathMeasure), 1193 REG_JNI(register_android_graphics_PathEffect), 1194 REG_JNI(register_android_graphics_Picture), 1195 REG_JNI(register_android_graphics_PorterDuff), 1196 REG_JNI(register_android_graphics_Rasterizer), 1197 REG_JNI(register_android_graphics_Region), 1198 REG_JNI(register_android_graphics_Shader), 1199 REG_JNI(register_android_graphics_Typeface), 1200 REG_JNI(register_android_graphics_Xfermode), 1201 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1202 1203 REG_JNI(register_android_database_CursorWindow), 1204 REG_JNI(register_android_database_SQLiteDatabase), 1205 REG_JNI(register_android_database_SQLiteDebug), 1206 REG_JNI(register_android_database_SQLiteProgram), 1207 REG_JNI(register_android_database_SQLiteQuery), 1208 REG_JNI(register_android_database_SQLiteStatement), 1209 REG_JNI(register_android_os_Debug), 1210 REG_JNI(register_android_os_FileObserver), 1211 REG_JNI(register_android_os_FileUtils), 1212 REG_JNI(register_android_os_ParcelFileDescriptor), 1213 REG_JNI(register_android_os_Power), 1214 REG_JNI(register_android_os_StatFs), 1215 REG_JNI(register_android_os_SystemProperties), 1216 REG_JNI(register_android_os_UEventObserver), 1217 REG_JNI(register_android_net_LocalSocketImpl), 1218 REG_JNI(register_android_net_NetworkUtils), 1219 REG_JNI(register_android_net_wifi_WifiManager), 1220 REG_JNI(register_android_os_MemoryFile), 1221 REG_JNI(register_com_android_internal_os_ZygoteInit), 1222 REG_JNI(register_android_hardware_Camera), 1223 REG_JNI(register_android_hardware_SensorManager), 1224 REG_JNI(register_android_media_AudioRecord), 1225 REG_JNI(register_android_media_AudioSystem), 1226 REG_JNI(register_android_media_AudioTrack), 1227 REG_JNI(register_android_media_JetPlayer), 1228 REG_JNI(register_android_media_ToneGenerator), 1229 1230 REG_JNI(register_android_opengl_classes), 1231 REG_JNI(register_android_bluetooth_HeadsetBase), 1232 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1233 REG_JNI(register_android_bluetooth_BluetoothSocket), 1234 REG_JNI(register_android_bluetooth_ScoSocket), 1235 REG_JNI(register_android_server_BluetoothDeviceService), 1236 REG_JNI(register_android_server_BluetoothEventLoop), 1237 REG_JNI(register_android_server_BluetoothA2dpService), 1238 REG_JNI(register_android_message_digest_sha1), 1239 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1240 REG_JNI(register_android_util_Base64), 1241 REG_JNI(register_android_location_GpsLocationProvider), 1242 REG_JNI(register_android_backup_BackupDataInput), 1243 REG_JNI(register_android_backup_BackupDataOutput), 1244 REG_JNI(register_android_backup_FileBackupHelper), 1245 REG_JNI(register_android_backup_RestoreHelperBase), 1246}; 1247 1248/* 1249 * Register android native functions with the VM. 1250 */ 1251/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1252{ 1253 /* 1254 * This hook causes all future threads created in this process to be 1255 * attached to the JavaVM. (This needs to go away in favor of JNI 1256 * Attach calls.) 1257 */ 1258 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1259 1260 LOGD("--- registering native functions ---\n"); 1261 1262 /* 1263 * Every "register" function calls one or more things that return 1264 * a local reference (e.g. FindClass). Because we haven't really 1265 * started the VM yet, they're all getting stored in the base frame 1266 * and never released. Use Push/Pop to manage the storage. 1267 */ 1268 env->PushLocalFrame(200); 1269 1270 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1271 env->PopLocalFrame(NULL); 1272 return -1; 1273 } 1274 env->PopLocalFrame(NULL); 1275 1276 //createJavaThread("fubar", quickTest, (void*) "hello"); 1277 1278 return 0; 1279} 1280 1281AndroidRuntime* AndroidRuntime::getRuntime() 1282{ 1283 return gCurRuntime; 1284} 1285 1286/** 1287 * Used by WithFramework to register native functions. 1288 */ 1289extern "C" 1290jint Java_com_android_internal_util_WithFramework_registerNatives( 1291 JNIEnv* env, jclass clazz) { 1292 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1293} 1294 1295/** 1296 * Used by LoadClass to register native functions. 1297 */ 1298extern "C" 1299jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1300 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1301} 1302 1303} // namespace android 1304