AndroidRuntime.cpp revision 8914a04b16791cda98de88b5f94d9fee3acedfca
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); 74extern int register_android_opengl_jni_GLES20(JNIEnv* env); 75 76extern int register_android_hardware_Camera(JNIEnv *env); 77 78extern int register_android_hardware_SensorManager(JNIEnv *env); 79 80extern int register_android_media_AudioRecord(JNIEnv *env); 81extern int register_android_media_AudioSystem(JNIEnv *env); 82extern int register_android_media_AudioTrack(JNIEnv *env); 83extern int register_android_media_JetPlayer(JNIEnv *env); 84extern int register_android_media_ToneGenerator(JNIEnv *env); 85 86extern int register_android_message_digest_sha1(JNIEnv *env); 87 88extern int register_android_util_FloatMath(JNIEnv* env); 89 90namespace android { 91 92/* 93 * JNI-based registration functions. Note these are properly contained in 94 * namespace android. 95 */ 96extern int register_android_content_AssetManager(JNIEnv* env); 97extern int register_android_util_EventLog(JNIEnv* env); 98extern int register_android_util_Log(JNIEnv* env); 99extern int register_android_content_StringBlock(JNIEnv* env); 100extern int register_android_content_XmlBlock(JNIEnv* env); 101extern int register_android_emoji_EmojiFactory(JNIEnv* env); 102extern int register_android_graphics_Canvas(JNIEnv* env); 103extern int register_android_graphics_ColorFilter(JNIEnv* env); 104extern int register_android_graphics_DrawFilter(JNIEnv* env); 105extern int register_android_graphics_Matrix(JNIEnv* env); 106extern int register_android_graphics_Paint(JNIEnv* env); 107extern int register_android_graphics_Path(JNIEnv* env); 108extern int register_android_graphics_PathMeasure(JNIEnv* env); 109extern int register_android_graphics_Picture(JNIEnv*); 110extern int register_android_graphics_PorterDuff(JNIEnv* env); 111extern int register_android_graphics_Rasterizer(JNIEnv* env); 112extern int register_android_graphics_Xfermode(JNIEnv* env); 113extern int register_android_graphics_PixelFormat(JNIEnv* env); 114extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 115extern int register_android_view_Display(JNIEnv* env); 116extern int register_android_view_Surface(JNIEnv* env); 117extern int register_android_view_ViewRoot(JNIEnv* env); 118extern int register_android_database_CursorWindow(JNIEnv* env); 119extern int register_android_database_SQLiteCompiledSql(JNIEnv* env); 120extern int register_android_database_SQLiteDatabase(JNIEnv* env); 121extern int register_android_database_SQLiteDebug(JNIEnv* env); 122extern int register_android_database_SQLiteProgram(JNIEnv* env); 123extern int register_android_database_SQLiteQuery(JNIEnv* env); 124extern int register_android_database_SQLiteStatement(JNIEnv* env); 125extern int register_android_debug_JNITest(JNIEnv* env); 126extern int register_android_nio_utils(JNIEnv* env); 127extern int register_android_pim_EventRecurrence(JNIEnv* env); 128extern int register_android_text_format_Time(JNIEnv* env); 129extern int register_android_os_Debug(JNIEnv* env); 130extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 131extern int register_android_os_Power(JNIEnv *env); 132extern int register_android_os_StatFs(JNIEnv *env); 133extern int register_android_os_SystemProperties(JNIEnv *env); 134extern int register_android_os_Hardware(JNIEnv* env); 135extern int register_android_os_SystemClock(JNIEnv* env); 136extern int register_android_os_FileObserver(JNIEnv *env); 137extern int register_android_os_FileUtils(JNIEnv *env); 138extern int register_android_os_UEventObserver(JNIEnv* env); 139extern int register_android_os_MemoryFile(JNIEnv* env); 140extern int register_android_net_LocalSocketImpl(JNIEnv* env); 141extern int register_android_net_NetworkUtils(JNIEnv* env); 142extern int register_android_net_wifi_WifiManager(JNIEnv* env); 143extern int register_android_security_Md5MessageDigest(JNIEnv *env); 144extern int register_android_text_AndroidCharacter(JNIEnv *env); 145extern int register_android_text_KeyCharacterMap(JNIEnv *env); 146extern int register_android_opengl_classes(JNIEnv *env); 147extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 148extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 149extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env); 150extern int register_android_bluetooth_ScoSocket(JNIEnv *env); 151extern int register_android_server_BluetoothService(JNIEnv* env); 152extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 153extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 154extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 155extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 156extern int register_android_util_Base64(JNIEnv* env); 157extern int register_android_location_GpsLocationProvider(JNIEnv* env); 158extern int register_android_backup_BackupDataInput(JNIEnv *env); 159extern int register_android_backup_BackupDataOutput(JNIEnv *env); 160extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 161extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 162 163static AndroidRuntime* gCurRuntime = NULL; 164 165static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 166{ 167 if (jniThrowException(env, exc, msg) != 0) 168 assert(false); 169} 170 171/* 172 * Code written in the Java Programming Language calls here from main(). 173 */ 174static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 175{ 176 gCurRuntime->onStarted(); 177} 178 179static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 180{ 181 gCurRuntime->onZygoteInit(); 182} 183 184static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 185{ 186 return 1; 187} 188 189static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 190{ 191} 192 193static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 194{ 195 char* value = getenv("qwerty"); 196 if (value != NULL && strcmp(value, "true") == 0) { 197 return 1; 198 } 199 200 return 0; 201} 202 203/* 204 * JNI registration. 205 */ 206static JNINativeMethod gMethods[] = { 207 { "finishInit", "()V", 208 (void*) com_android_internal_os_RuntimeInit_finishInit }, 209 { "zygoteInitNative", "()V", 210 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 211 { "isComputerOn", "()I", 212 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 213 { "turnComputerOn", "()V", 214 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 215 { "getQwertyKeyboard", "()I", 216 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 217}; 218 219int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 220{ 221 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 222 gMethods, NELEM(gMethods)); 223} 224 225// ---------------------------------------------------------------------- 226 227/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 228 229 230AndroidRuntime::AndroidRuntime() 231{ 232 SkGraphics::Init(); 233 // this sets our preference for 16bit images during decode 234 // in case the src is opaque and 24bit 235 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 236 // This cache is shared between browser native images, and java "purgeable" 237 // bitmaps. This globalpool is for images that do not either use the java 238 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 239 // java call site. 240 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 241 // There is also a global font cache, but its budget is specified in code 242 // see SkFontHost_android.cpp 243 244 // Pre-allocate enough space to hold a fair number of options. 245 mOptions.setCapacity(20); 246 247 assert(gCurRuntime == NULL); // one per process 248 gCurRuntime = this; 249} 250 251AndroidRuntime::~AndroidRuntime() 252{ 253 SkGraphics::Term(); 254} 255 256/* 257 * Register native methods using JNI. 258 */ 259/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 260 const char* className, const JNINativeMethod* gMethods, int numMethods) 261{ 262 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 263} 264 265/* 266 * Call a static Java Programming Language function that takes no arguments and returns void. 267 */ 268status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 269{ 270 JNIEnv* env; 271 jclass clazz; 272 jmethodID methodId; 273 274 env = getJNIEnv(); 275 if (env == NULL) 276 return UNKNOWN_ERROR; 277 278 clazz = findClass(env, className); 279 if (clazz == NULL) { 280 LOGE("ERROR: could not find class '%s'\n", className); 281 return UNKNOWN_ERROR; 282 } 283 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 284 if (methodId == NULL) { 285 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 286 return UNKNOWN_ERROR; 287 } 288 289 env->CallStaticVoidMethod(clazz, methodId); 290 291 return NO_ERROR; 292} 293 294status_t AndroidRuntime::callMain( 295 const char* className, int argc, const char* const argv[]) 296{ 297 JNIEnv* env; 298 jclass clazz; 299 jmethodID methodId; 300 301 env = getJNIEnv(); 302 if (env == NULL) 303 return UNKNOWN_ERROR; 304 305 clazz = findClass(env, className); 306 if (clazz == NULL) { 307 LOGE("ERROR: could not find class '%s'\n", className); 308 return UNKNOWN_ERROR; 309 } 310 311 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 312 if (methodId == NULL) { 313 LOGE("ERROR: could not find method %s.main(String[])\n", className); 314 return UNKNOWN_ERROR; 315 } 316 317 /* 318 * We want to call main() with a String array with our arguments in it. 319 * Create an array and populate it. 320 */ 321 jclass stringClass; 322 jobjectArray strArray; 323 324 stringClass = env->FindClass("java/lang/String"); 325 strArray = env->NewObjectArray(argc, stringClass, NULL); 326 327 for (int i = 0; i < argc; i++) { 328 jstring argStr = env->NewStringUTF(argv[i]); 329 env->SetObjectArrayElement(strArray, i, argStr); 330 } 331 332 env->CallStaticVoidMethod(clazz, methodId, strArray); 333 return NO_ERROR; 334} 335 336/* 337 * Find the named class. 338 */ 339jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 340{ 341 char* convName = NULL; 342 343 if (env->ExceptionCheck()) { 344 LOGE("ERROR: exception pending on entry to findClass()\n"); 345 return NULL; 346 } 347 348 /* 349 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 350 * uses the dotted "binary name" format. We don't need to convert the 351 * name with the new approach. 352 */ 353#if 0 354 /* (convName only created if necessary -- use className) */ 355 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 356 if (*cp == '.') { 357 if (convName == NULL) { 358 convName = strdup(className); 359 cp = convName + (cp-className); 360 className = convName; 361 } 362 *cp = '/'; 363 } 364 } 365#endif 366 367 /* 368 * This is a little awkward because the JNI FindClass call uses the 369 * class loader associated with the native method we're executing in. 370 * Because this native method is part of a "boot" class, JNI doesn't 371 * look for the class in CLASSPATH, which unfortunately is a likely 372 * location for it. (Had we issued the FindClass call before calling 373 * into the VM -- at which point there isn't a native method frame on 374 * the stack -- the VM would have checked CLASSPATH. We have to do 375 * this because we call into Java Programming Language code and 376 * bounce back out.) 377 * 378 * JNI lacks a "find class in a specific class loader" operation, so we 379 * have to do things the hard way. 380 */ 381 jclass cls = NULL; 382 //cls = env->FindClass(className); 383 384 jclass javaLangClassLoader; 385 jmethodID getSystemClassLoader, loadClass; 386 jobject systemClassLoader; 387 jstring strClassName; 388 389 /* find the "system" class loader; none of this is expected to fail */ 390 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 391 assert(javaLangClassLoader != NULL); 392 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 393 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 394 loadClass = env->GetMethodID(javaLangClassLoader, 395 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 396 assert(getSystemClassLoader != NULL && loadClass != NULL); 397 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 398 getSystemClassLoader); 399 assert(systemClassLoader != NULL); 400 401 /* create an object for the class name string; alloc could fail */ 402 strClassName = env->NewStringUTF(className); 403 if (env->ExceptionCheck()) { 404 LOGE("ERROR: unable to convert '%s' to string\n", className); 405 goto bail; 406 } 407 LOGV("system class loader is %p, loading %p (%s)\n", 408 systemClassLoader, strClassName, className); 409 410 /* try to find the named class */ 411 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 412 strClassName); 413 if (env->ExceptionCheck()) { 414 LOGE("ERROR: unable to load class '%s' from %p\n", 415 className, systemClassLoader); 416 cls = NULL; 417 goto bail; 418 } 419 420bail: 421 free(convName); 422 return cls; 423} 424 425/* 426 * The VM calls this through the "exit" hook. 427 */ 428static void runtime_exit(int code) 429{ 430 gCurRuntime->onExit(code); 431 exit(code); 432} 433 434/* 435 * The VM calls this through the "vfprintf" hook. 436 * 437 * We ignore "fp" and just write the results to the log file. 438 */ 439static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 440{ 441 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 442} 443 444 445/** 446 * Add VM arguments to the to-be-executed VM 447 * Stops at first non '-' argument (also stops at an argument of '--') 448 * Returns the number of args consumed 449 */ 450int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 451{ 452 int i; 453 454 for (i = 0; i<argc; i++) { 455 if (argv[i][0] != '-') { 456 return i; 457 } 458 if (argv[i][1] == '-' && argv[i][2] == 0) { 459 return i+1; 460 } 461 462 JavaVMOption opt; 463 memset(&opt, 0, sizeof(opt)); 464 opt.optionString = (char*)argv[i]; 465 mOptions.add(opt); 466 } 467 return i; 468} 469 470static int hasDir(const char* dir) 471{ 472 struct stat s; 473 int res = stat(dir, &s); 474 if (res == 0) { 475 return S_ISDIR(s.st_mode); 476 } 477 return 0; 478} 479 480/* 481 * We just want failed write() calls to just return with an error. 482 */ 483static void blockSigpipe() 484{ 485 sigset_t mask; 486 487 sigemptyset(&mask); 488 sigaddset(&mask, SIGPIPE); 489 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 490 LOGW("WARNING: SIGPIPE not blocked\n"); 491} 492 493/* 494 * Read the persistent locale. 495 */ 496static void readLocale(char* language, char* region) 497{ 498 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 499 500 property_get("persist.sys.language", propLang, ""); 501 property_get("persist.sys.country", propRegn, ""); 502 if (*propLang == 0 && *propRegn == 0) { 503 /* Set to ro properties, default is en_US */ 504 property_get("ro.product.locale.language", propLang, "en"); 505 property_get("ro.product.locale.region", propRegn, "US"); 506 } 507 strncat(language, propLang, 2); 508 strncat(region, propRegn, 2); 509 //LOGD("language=%s region=%s\n", language, region); 510} 511 512/* 513 * Start the Dalvik Virtual Machine. 514 * 515 * Various arguments, most determined by system properties, are passed in. 516 * The "mOptions" vector is updated. 517 * 518 * Returns 0 on success. 519 */ 520int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 521{ 522 int result = -1; 523 JavaVMInitArgs initArgs; 524 JavaVMOption opt; 525 char propBuf[PROPERTY_VALUE_MAX]; 526 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 527 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 528 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 529 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 530 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 531 char* stackTraceFile = NULL; 532 bool checkJni = false; 533 bool checkDexSum = false; 534 bool logStdio = false; 535 enum { 536 kEMDefault, 537 kEMIntPortable, 538 kEMIntFast, 539#if defined(WITH_JIT) 540 kEMJitCompiler, 541#endif 542 } executionMode = kEMDefault; 543 544 545 property_get("dalvik.vm.checkjni", propBuf, ""); 546 if (strcmp(propBuf, "true") == 0) { 547 checkJni = true; 548 } else if (strcmp(propBuf, "false") != 0) { 549 /* property is neither true nor false; fall back on kernel parameter */ 550 property_get("ro.kernel.android.checkjni", propBuf, ""); 551 if (propBuf[0] == '1') { 552 checkJni = true; 553 } 554 } 555 556 property_get("dalvik.vm.execution-mode", propBuf, ""); 557 if (strcmp(propBuf, "int:portable") == 0) { 558 executionMode = kEMIntPortable; 559 } else if (strcmp(propBuf, "int:fast") == 0) { 560 executionMode = kEMIntFast; 561#if defined(WITH_JIT) 562 } else if (strcmp(propBuf, "int:jit") == 0) { 563 executionMode = kEMJitCompiler; 564#endif 565 } 566 567 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 568 569 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 570 if (strcmp(propBuf, "true") == 0) { 571 checkDexSum = true; 572 } 573 574 property_get("log.redirect-stdio", propBuf, ""); 575 if (strcmp(propBuf, "true") == 0) { 576 logStdio = true; 577 } 578 579 strcpy(enableAssertBuf, "-ea:"); 580 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 581 582 strcpy(jniOptsBuf, "-Xjniopts:"); 583 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 584 585 /* route exit() to our handler */ 586 opt.extraInfo = (void*) runtime_exit; 587 opt.optionString = "exit"; 588 mOptions.add(opt); 589 590 /* route fprintf() to our handler */ 591 opt.extraInfo = (void*) runtime_vfprintf; 592 opt.optionString = "vfprintf"; 593 mOptions.add(opt); 594 595 opt.extraInfo = NULL; 596 597 /* enable verbose; standard options are { jni, gc, class } */ 598 //options[curOpt++].optionString = "-verbose:jni"; 599 opt.optionString = "-verbose:gc"; 600 mOptions.add(opt); 601 //options[curOpt++].optionString = "-verbose:class"; 602 603 strcpy(heapsizeOptsBuf, "-Xmx"); 604 property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m"); 605 //LOGI("Heap size: %s", heapsizeOptsBuf); 606 opt.optionString = heapsizeOptsBuf; 607 mOptions.add(opt); 608 609 /* 610 * Enable or disable dexopt features, such as bytecode verification and 611 * calculation of register maps for precise GC. 612 */ 613 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 614 if (dexoptFlagsBuf[0] != '\0') { 615 const char* opc; 616 const char* val; 617 618 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 619 if (opc != NULL) { 620 switch (*(opc+2)) { 621 case 'n': val = "-Xverify:none"; break; 622 case 'r': val = "-Xverify:remote"; break; 623 case 'a': val = "-Xverify:all"; break; 624 default: val = NULL; break; 625 } 626 627 if (val != NULL) { 628 opt.optionString = val; 629 mOptions.add(opt); 630 } 631 } 632 633 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 634 if (opc != NULL) { 635 switch (*(opc+2)) { 636 case 'n': val = "-Xdexopt:none"; break; 637 case 'v': val = "-Xdexopt:verified"; break; 638 case 'a': val = "-Xdexopt:all"; break; 639 default: val = NULL; break; 640 } 641 642 if (val != NULL) { 643 opt.optionString = val; 644 mOptions.add(opt); 645 } 646 } 647 648 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 649 if (opc != NULL) { 650 opt.optionString = "-Xgenregmap"; 651 mOptions.add(opt); 652 653 /* turn on precise GC while we're at it */ 654 opt.optionString = "-Xgc:precise"; 655 mOptions.add(opt); 656 } 657 } 658 659 /* enable debugging; set suspend=y to pause during VM init */ 660#ifdef HAVE_ANDROID_OS 661 /* use android ADB transport */ 662 opt.optionString = 663 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 664#else 665 /* use TCP socket; address=0 means start at port 8000 and probe up */ 666 LOGI("Using TCP socket for JDWP\n"); 667 opt.optionString = 668 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 669#endif 670 mOptions.add(opt); 671 672 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 673 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 674 if (strlen(propBuf) > 0) { 675 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 676 strcat(enableDPBuf, propBuf); 677 opt.optionString = enableDPBuf; 678 mOptions.add(opt); 679 } 680 681 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 682 if (checkJni) { 683 /* extended JNI checking */ 684 opt.optionString = "-Xcheck:jni"; 685 mOptions.add(opt); 686 687 /* set a cap on JNI global references */ 688 opt.optionString = "-Xjnigreflimit:2000"; 689 mOptions.add(opt); 690 691 /* with -Xcheck:jni, this provides a JNI function call trace */ 692 //opt.optionString = "-verbose:jni"; 693 //mOptions.add(opt); 694 } 695 696#if defined(WITH_JIT) 697 /* Minimal profile threshold to trigger JIT compilation */ 698 char jitThresholdBuf[sizeof("-Xthreshold:") + PROPERTY_VALUE_MAX]; 699 property_get("dalvik.vm.jit.threshold", propBuf, ""); 700 if (strlen(propBuf) > 0) { 701 strcpy(jitThresholdBuf, "-Xthreshold:"); 702 strcat(jitThresholdBuf, propBuf); 703 opt.optionString = jitThresholdBuf; 704 mOptions.add(opt); 705 } 706 707 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 708 char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX]; 709 property_get("dalvik.vm.jit.op", propBuf, ""); 710 if (strlen(propBuf) > 0) { 711 strcpy(jitOpBuf, "-Xjitop:"); 712 strcat(jitOpBuf, propBuf); 713 opt.optionString = jitOpBuf; 714 mOptions.add(opt); 715 } 716 717 /* 718 * Reverse the polarity of dalvik.vm.jit.op and force interpreter-only 719 * for non-selected opcodes. 720 */ 721 property_get("dalvik.vm.jit.includeop", propBuf, ""); 722 if (strlen(propBuf) > 0) { 723 opt.optionString = "-Xincludeselectedop"; 724 mOptions.add(opt); 725 } 726 727 /* Force interpreter-only mode for selected methods */ 728 char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX]; 729 property_get("dalvik.vm.jit.method", propBuf, ""); 730 if (strlen(propBuf) > 0) { 731 strcpy(jitMethodBuf, "-Xjitmethod:"); 732 strcat(jitMethodBuf, propBuf); 733 opt.optionString = jitMethodBuf; 734 mOptions.add(opt); 735 } 736 737 /* 738 * Reverse the polarity of dalvik.vm.jit.method and force interpreter-only 739 * for non-selected methods. 740 */ 741 property_get("dalvik.vm.jit.includemethod", propBuf, ""); 742 if (strlen(propBuf) > 0) { 743 opt.optionString = "-Xincludeselectedmethod"; 744 mOptions.add(opt); 745 } 746 747 /* 748 * Enable profile collection on JIT'ed code. 749 */ 750 property_get("dalvik.vm.jit.profile", propBuf, ""); 751 if (strlen(propBuf) > 0) { 752 opt.optionString = "-Xjitprofile"; 753 mOptions.add(opt); 754 } 755 756 /* 757 * Disable optimizations by setting the corresponding bit to 1. 758 */ 759 char jitOptBuf[sizeof("-Xjitdisableopt:") + PROPERTY_VALUE_MAX]; 760 property_get("dalvik.vm.jit.disableopt", propBuf, ""); 761 if (strlen(propBuf) > 0) { 762 strcpy(jitOptBuf, "-Xjitdisableopt:"); 763 strcat(jitOptBuf, propBuf); 764 opt.optionString = jitOptBuf; 765 mOptions.add(opt); 766 } 767#endif 768 769 if (executionMode == kEMIntPortable) { 770 opt.optionString = "-Xint:portable"; 771 mOptions.add(opt); 772 } else if (executionMode == kEMIntFast) { 773 opt.optionString = "-Xint:fast"; 774 mOptions.add(opt); 775#if defined(WITH_JIT) 776 } else if (executionMode == kEMJitCompiler) { 777 opt.optionString = "-Xint:jit"; 778 mOptions.add(opt); 779#endif 780 } 781 782 if (checkDexSum) { 783 /* perform additional DEX checksum tests */ 784 opt.optionString = "-Xcheckdexsum"; 785 mOptions.add(opt); 786 } 787 788 if (logStdio) { 789 /* convert stdout/stderr to log messages */ 790 opt.optionString = "-Xlog-stdio"; 791 mOptions.add(opt); 792 } 793 794 if (enableAssertBuf[4] != '\0') { 795 /* accept "all" to mean "all classes and packages" */ 796 if (strcmp(enableAssertBuf+4, "all") == 0) 797 enableAssertBuf[3] = '\0'; 798 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 799 opt.optionString = enableAssertBuf; 800 mOptions.add(opt); 801 } else { 802 LOGV("Assertions disabled\n"); 803 } 804 805 if (jniOptsBuf[10] != '\0') { 806 LOGI("JNI options: '%s'\n", jniOptsBuf); 807 opt.optionString = jniOptsBuf; 808 mOptions.add(opt); 809 } 810 811 if (stackTraceFileBuf[0] != '\0') { 812 static const char* stfOptName = "-Xstacktracefile:"; 813 814 stackTraceFile = (char*) malloc(strlen(stfOptName) + 815 strlen(stackTraceFileBuf) +1); 816 strcpy(stackTraceFile, stfOptName); 817 strcat(stackTraceFile, stackTraceFileBuf); 818 opt.optionString = stackTraceFile; 819 mOptions.add(opt); 820 } 821 822 /* Set the properties for locale */ 823 { 824 char langOption[sizeof("-Duser.language=") + 3]; 825 char regionOption[sizeof("-Duser.region=") + 3]; 826 strcpy(langOption, "-Duser.language="); 827 strcpy(regionOption, "-Duser.region="); 828 readLocale(langOption, regionOption); 829 opt.extraInfo = NULL; 830 opt.optionString = langOption; 831 mOptions.add(opt); 832 opt.optionString = regionOption; 833 mOptions.add(opt); 834 } 835 836 /* 837 * We don't have /tmp on the device, but we often have an SD card. Apps 838 * shouldn't use this, but some test suites might want to exercise it. 839 */ 840 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 841 mOptions.add(opt); 842 843 initArgs.version = JNI_VERSION_1_4; 844 initArgs.options = mOptions.editArray(); 845 initArgs.nOptions = mOptions.size(); 846 initArgs.ignoreUnrecognized = JNI_FALSE; 847 848 /* 849 * Initialize the VM. 850 * 851 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 852 * If this call succeeds, the VM is ready, and we can start issuing 853 * JNI calls. 854 */ 855 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 856 LOGE("JNI_CreateJavaVM failed\n"); 857 goto bail; 858 } 859 860 result = 0; 861 862bail: 863 free(stackTraceFile); 864 return result; 865} 866 867/* 868 * Start the Android runtime. This involves starting the virtual machine 869 * and calling the "static void main(String[] args)" method in the class 870 * named by "className". 871 */ 872void AndroidRuntime::start(const char* className, const bool startSystemServer) 873{ 874 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 875 876 char* slashClassName = NULL; 877 char* cp; 878 JNIEnv* env; 879 880 blockSigpipe(); 881 882 /* 883 * 'startSystemServer == true' means runtime is obslete and not run from 884 * init.rc anymore, so we print out the boot start event here. 885 */ 886 if (startSystemServer) { 887 /* track our progress through the boot sequence */ 888 const int LOG_BOOT_PROGRESS_START = 3000; 889 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 890 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 891 } 892 893 const char* rootDir = getenv("ANDROID_ROOT"); 894 if (rootDir == NULL) { 895 rootDir = "/system"; 896 if (!hasDir("/system")) { 897 LOG_FATAL("No root directory specified, and /android does not exist."); 898 goto bail; 899 } 900 setenv("ANDROID_ROOT", rootDir, 1); 901 } 902 903 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 904 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 905 906 /* start the virtual machine */ 907 if (startVm(&mJavaVM, &env) != 0) 908 goto bail; 909 910 /* 911 * Register android functions. 912 */ 913 if (startReg(env) < 0) { 914 LOGE("Unable to register all android natives\n"); 915 goto bail; 916 } 917 918 /* 919 * We want to call main() with a String array with arguments in it. 920 * At present we only have one argument, the class name. Create an 921 * array to hold it. 922 */ 923 jclass stringClass; 924 jobjectArray strArray; 925 jstring classNameStr; 926 jstring startSystemServerStr; 927 928 stringClass = env->FindClass("java/lang/String"); 929 assert(stringClass != NULL); 930 strArray = env->NewObjectArray(2, stringClass, NULL); 931 assert(strArray != NULL); 932 classNameStr = env->NewStringUTF(className); 933 assert(classNameStr != NULL); 934 env->SetObjectArrayElement(strArray, 0, classNameStr); 935 startSystemServerStr = env->NewStringUTF(startSystemServer ? 936 "true" : "false"); 937 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 938 939 /* 940 * Start VM. This thread becomes the main thread of the VM, and will 941 * not return until the VM exits. 942 */ 943 jclass startClass; 944 jmethodID startMeth; 945 946 slashClassName = strdup(className); 947 for (cp = slashClassName; *cp != '\0'; cp++) 948 if (*cp == '.') 949 *cp = '/'; 950 951 startClass = env->FindClass(slashClassName); 952 if (startClass == NULL) { 953 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 954 /* keep going */ 955 } else { 956 startMeth = env->GetStaticMethodID(startClass, "main", 957 "([Ljava/lang/String;)V"); 958 if (startMeth == NULL) { 959 LOGE("JavaVM unable to find main() in '%s'\n", className); 960 /* keep going */ 961 } else { 962 env->CallStaticVoidMethod(startClass, startMeth, strArray); 963 964#if 0 965 if (env->ExceptionCheck()) 966 threadExitUncaughtException(env); 967#endif 968 } 969 } 970 971 LOGD("Shutting down VM\n"); 972 if (mJavaVM->DetachCurrentThread() != JNI_OK) 973 LOGW("Warning: unable to detach main thread\n"); 974 if (mJavaVM->DestroyJavaVM() != 0) 975 LOGW("Warning: VM did not shut down cleanly\n"); 976 977bail: 978 free(slashClassName); 979} 980 981void AndroidRuntime::start() 982{ 983 start("com.android.internal.os.RuntimeInit", 984 false /* Don't start the system server */); 985} 986 987void AndroidRuntime::onExit(int code) 988{ 989 LOGI("AndroidRuntime onExit calling exit(%d)", code); 990 exit(code); 991} 992 993/* 994 * Get the JNIEnv pointer for this thread. 995 * 996 * Returns NULL if the slot wasn't allocated or populated. 997 */ 998/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 999{ 1000 JNIEnv* env; 1001 JavaVM* vm = AndroidRuntime::getJavaVM(); 1002 assert(vm != NULL); 1003 1004 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1005 return NULL; 1006 return env; 1007} 1008 1009/* 1010 * Makes the current thread visible to the VM. 1011 * 1012 * The JNIEnv pointer returned is only valid for the current thread, and 1013 * thus must be tucked into thread-local storage. 1014 */ 1015static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1016{ 1017 JavaVMAttachArgs args; 1018 JavaVM* vm; 1019 jint result; 1020 1021 vm = AndroidRuntime::getJavaVM(); 1022 assert(vm != NULL); 1023 1024 args.version = JNI_VERSION_1_4; 1025 args.name = (char*) threadName; 1026 args.group = NULL; 1027 1028 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1029 if (result != JNI_OK) 1030 LOGE("ERROR: thread attach failed\n"); 1031 1032 return result; 1033} 1034 1035/* 1036 * Detach the current thread from the set visible to the VM. 1037 */ 1038static int javaDetachThread(void) 1039{ 1040 JavaVM* vm; 1041 jint result; 1042 1043 vm = AndroidRuntime::getJavaVM(); 1044 assert(vm != NULL); 1045 1046 result = vm->DetachCurrentThread(); 1047 if (result != JNI_OK) 1048 LOGE("ERROR: thread detach failed\n"); 1049 return result; 1050} 1051 1052/* 1053 * When starting a native thread that will be visible from the VM, we 1054 * bounce through this to get the right attach/detach action. 1055 * Note that this function calls free(args) 1056 */ 1057/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1058 void* start = ((void**)args)[0]; 1059 void* userData = ((void **)args)[1]; 1060 char* name = (char*) ((void **)args)[2]; // we own this storage 1061 free(args); 1062 JNIEnv* env; 1063 int result; 1064 1065 /* hook us into the VM */ 1066 if (javaAttachThread(name, &env) != JNI_OK) 1067 return -1; 1068 1069 /* start the thread running */ 1070 result = (*(android_thread_func_t)start)(userData); 1071 1072 /* unhook us */ 1073 javaDetachThread(); 1074 free(name); 1075 1076 return result; 1077} 1078 1079/* 1080 * This is invoked from androidCreateThreadEtc() via the callback 1081 * set with androidSetCreateThreadFunc(). 1082 * 1083 * We need to create the new thread in such a way that it gets hooked 1084 * into the VM before it really starts executing. 1085 */ 1086/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1087 android_thread_func_t entryFunction, 1088 void* userData, 1089 const char* threadName, 1090 int32_t threadPriority, 1091 size_t threadStackSize, 1092 android_thread_id_t* threadId) 1093{ 1094 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1095 int result; 1096 1097 assert(threadName != NULL); 1098 1099 args[0] = (void*) entryFunction; 1100 args[1] = userData; 1101 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1102 1103 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1104 threadName, threadPriority, threadStackSize, threadId); 1105 return result; 1106} 1107 1108/* 1109 * Create a thread that is visible from the VM. 1110 * 1111 * This is called from elsewhere in the library. 1112 */ 1113/*static*/ void AndroidRuntime::createJavaThread(const char* name, 1114 void (*start)(void *), void* arg) 1115{ 1116 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1117 ANDROID_PRIORITY_DEFAULT, 0, NULL); 1118} 1119 1120#if 0 1121static void quickTest(void* arg) 1122{ 1123 const char* str = (const char*) arg; 1124 1125 printf("In quickTest: %s\n", str); 1126} 1127#endif 1128 1129#ifdef NDEBUG 1130 #define REG_JNI(name) { name } 1131 struct RegJNIRec { 1132 int (*mProc)(JNIEnv*); 1133 }; 1134#else 1135 #define REG_JNI(name) { name, #name } 1136 struct RegJNIRec { 1137 int (*mProc)(JNIEnv*); 1138 const char* mName; 1139 }; 1140#endif 1141 1142typedef void (*RegJAMProc)(); 1143 1144static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1145{ 1146 for (size_t i = 0; i < count; i++) { 1147 if (array[i].mProc(env) < 0) { 1148#ifndef NDEBUG 1149 LOGD("----------!!! %s failed to load\n", array[i].mName); 1150#endif 1151 return -1; 1152 } 1153 } 1154 return 0; 1155} 1156 1157static void register_jam_procs(const RegJAMProc array[], size_t count) 1158{ 1159 for (size_t i = 0; i < count; i++) { 1160 array[i](); 1161 } 1162} 1163 1164static const RegJNIRec gRegJNI[] = { 1165 REG_JNI(register_android_debug_JNITest), 1166 REG_JNI(register_com_android_internal_os_RuntimeInit), 1167 REG_JNI(register_android_os_SystemClock), 1168 REG_JNI(register_android_util_EventLog), 1169 REG_JNI(register_android_util_Log), 1170 REG_JNI(register_android_util_FloatMath), 1171 REG_JNI(register_android_text_format_Time), 1172 REG_JNI(register_android_pim_EventRecurrence), 1173 REG_JNI(register_android_content_AssetManager), 1174 REG_JNI(register_android_content_StringBlock), 1175 REG_JNI(register_android_content_XmlBlock), 1176 REG_JNI(register_android_emoji_EmojiFactory), 1177 REG_JNI(register_android_security_Md5MessageDigest), 1178 REG_JNI(register_android_text_AndroidCharacter), 1179 REG_JNI(register_android_text_KeyCharacterMap), 1180 REG_JNI(register_android_os_Process), 1181 REG_JNI(register_android_os_Binder), 1182 REG_JNI(register_android_os_Hardware), 1183 REG_JNI(register_android_view_Display), 1184 REG_JNI(register_android_nio_utils), 1185 REG_JNI(register_android_graphics_PixelFormat), 1186 REG_JNI(register_android_graphics_Graphics), 1187 REG_JNI(register_android_view_Surface), 1188 REG_JNI(register_android_view_ViewRoot), 1189 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1190 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1191 REG_JNI(register_android_opengl_jni_GLES10), 1192 REG_JNI(register_android_opengl_jni_GLES10Ext), 1193 REG_JNI(register_android_opengl_jni_GLES11), 1194 REG_JNI(register_android_opengl_jni_GLES11Ext), 1195 REG_JNI(register_android_opengl_jni_GLES20), 1196 1197 REG_JNI(register_android_graphics_Bitmap), 1198 REG_JNI(register_android_graphics_BitmapFactory), 1199 REG_JNI(register_android_graphics_Camera), 1200 REG_JNI(register_android_graphics_Canvas), 1201 REG_JNI(register_android_graphics_ColorFilter), 1202 REG_JNI(register_android_graphics_DrawFilter), 1203 REG_JNI(register_android_graphics_Interpolator), 1204 REG_JNI(register_android_graphics_LayerRasterizer), 1205 REG_JNI(register_android_graphics_MaskFilter), 1206 REG_JNI(register_android_graphics_Matrix), 1207 REG_JNI(register_android_graphics_Movie), 1208 REG_JNI(register_android_graphics_NinePatch), 1209 REG_JNI(register_android_graphics_Paint), 1210 REG_JNI(register_android_graphics_Path), 1211 REG_JNI(register_android_graphics_PathMeasure), 1212 REG_JNI(register_android_graphics_PathEffect), 1213 REG_JNI(register_android_graphics_Picture), 1214 REG_JNI(register_android_graphics_PorterDuff), 1215 REG_JNI(register_android_graphics_Rasterizer), 1216 REG_JNI(register_android_graphics_Region), 1217 REG_JNI(register_android_graphics_Shader), 1218 REG_JNI(register_android_graphics_Typeface), 1219 REG_JNI(register_android_graphics_Xfermode), 1220 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1221 1222 REG_JNI(register_android_database_CursorWindow), 1223 REG_JNI(register_android_database_SQLiteCompiledSql), 1224 REG_JNI(register_android_database_SQLiteDatabase), 1225 REG_JNI(register_android_database_SQLiteDebug), 1226 REG_JNI(register_android_database_SQLiteProgram), 1227 REG_JNI(register_android_database_SQLiteQuery), 1228 REG_JNI(register_android_database_SQLiteStatement), 1229 REG_JNI(register_android_os_Debug), 1230 REG_JNI(register_android_os_FileObserver), 1231 REG_JNI(register_android_os_FileUtils), 1232 REG_JNI(register_android_os_ParcelFileDescriptor), 1233 REG_JNI(register_android_os_Power), 1234 REG_JNI(register_android_os_StatFs), 1235 REG_JNI(register_android_os_SystemProperties), 1236 REG_JNI(register_android_os_UEventObserver), 1237 REG_JNI(register_android_net_LocalSocketImpl), 1238 REG_JNI(register_android_net_NetworkUtils), 1239 REG_JNI(register_android_net_wifi_WifiManager), 1240 REG_JNI(register_android_os_MemoryFile), 1241 REG_JNI(register_com_android_internal_os_ZygoteInit), 1242 REG_JNI(register_android_hardware_Camera), 1243 REG_JNI(register_android_hardware_SensorManager), 1244 REG_JNI(register_android_media_AudioRecord), 1245 REG_JNI(register_android_media_AudioSystem), 1246 REG_JNI(register_android_media_AudioTrack), 1247 REG_JNI(register_android_media_JetPlayer), 1248 REG_JNI(register_android_media_ToneGenerator), 1249 1250 REG_JNI(register_android_opengl_classes), 1251 REG_JNI(register_android_bluetooth_HeadsetBase), 1252 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1253 REG_JNI(register_android_bluetooth_BluetoothSocket), 1254 REG_JNI(register_android_bluetooth_ScoSocket), 1255 REG_JNI(register_android_server_BluetoothService), 1256 REG_JNI(register_android_server_BluetoothEventLoop), 1257 REG_JNI(register_android_server_BluetoothA2dpService), 1258 REG_JNI(register_android_message_digest_sha1), 1259 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1260 REG_JNI(register_android_util_Base64), 1261 REG_JNI(register_android_location_GpsLocationProvider), 1262 REG_JNI(register_android_backup_BackupDataInput), 1263 REG_JNI(register_android_backup_BackupDataOutput), 1264 REG_JNI(register_android_backup_FileBackupHelperBase), 1265 REG_JNI(register_android_backup_BackupHelperDispatcher), 1266}; 1267 1268/* 1269 * Register android native functions with the VM. 1270 */ 1271/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1272{ 1273 /* 1274 * This hook causes all future threads created in this process to be 1275 * attached to the JavaVM. (This needs to go away in favor of JNI 1276 * Attach calls.) 1277 */ 1278 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1279 1280 LOGD("--- registering native functions ---\n"); 1281 1282 /* 1283 * Every "register" function calls one or more things that return 1284 * a local reference (e.g. FindClass). Because we haven't really 1285 * started the VM yet, they're all getting stored in the base frame 1286 * and never released. Use Push/Pop to manage the storage. 1287 */ 1288 env->PushLocalFrame(200); 1289 1290 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1291 env->PopLocalFrame(NULL); 1292 return -1; 1293 } 1294 env->PopLocalFrame(NULL); 1295 1296 //createJavaThread("fubar", quickTest, (void*) "hello"); 1297 1298 return 0; 1299} 1300 1301AndroidRuntime* AndroidRuntime::getRuntime() 1302{ 1303 return gCurRuntime; 1304} 1305 1306/** 1307 * Used by WithFramework to register native functions. 1308 */ 1309extern "C" 1310jint Java_com_android_internal_util_WithFramework_registerNatives( 1311 JNIEnv* env, jclass clazz) { 1312 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1313} 1314 1315/** 1316 * Used by LoadClass to register native functions. 1317 */ 1318extern "C" 1319jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1320 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1321} 1322 1323} // namespace android 1324