AndroidRuntime.cpp revision 00b74270c9f136a8727c5f6cda0997a3a905f385
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); 67extern int register_android_graphics_YuvImage(JNIEnv* env); 68 69extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 70extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 71extern int register_android_opengl_jni_GLES10(JNIEnv* env); 72extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 73extern int register_android_opengl_jni_GLES11(JNIEnv* env); 74extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 75extern int register_android_opengl_jni_GLES20(JNIEnv* env); 76 77extern int register_android_hardware_Camera(JNIEnv *env); 78 79extern int register_android_hardware_SensorManager(JNIEnv *env); 80 81extern int register_android_media_AudioRecord(JNIEnv *env); 82extern int register_android_media_AudioSystem(JNIEnv *env); 83extern int register_android_media_AudioTrack(JNIEnv *env); 84extern int register_android_media_JetPlayer(JNIEnv *env); 85extern int register_android_media_ToneGenerator(JNIEnv *env); 86 87extern int register_android_message_digest_sha1(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_Xfermode(JNIEnv* env); 114extern int register_android_graphics_PixelFormat(JNIEnv* env); 115extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 116extern int register_android_view_Display(JNIEnv* env); 117extern int register_android_view_Surface(JNIEnv* env); 118extern int register_android_view_ViewRoot(JNIEnv* env); 119extern int register_android_database_CursorWindow(JNIEnv* env); 120extern int register_android_database_SQLiteCompiledSql(JNIEnv* env); 121extern int register_android_database_SQLiteDatabase(JNIEnv* env); 122extern int register_android_database_SQLiteDebug(JNIEnv* env); 123extern int register_android_database_SQLiteProgram(JNIEnv* env); 124extern int register_android_database_SQLiteQuery(JNIEnv* env); 125extern int register_android_database_SQLiteStatement(JNIEnv* env); 126extern int register_android_debug_JNITest(JNIEnv* env); 127extern int register_android_nio_utils(JNIEnv* env); 128extern int register_android_pim_EventRecurrence(JNIEnv* env); 129extern int register_android_text_format_Time(JNIEnv* env); 130extern int register_android_os_Debug(JNIEnv* env); 131extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 132extern int register_android_os_Power(JNIEnv *env); 133extern int register_android_os_StatFs(JNIEnv *env); 134extern int register_android_os_SystemProperties(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_AndroidBidi(JNIEnv *env); 146extern int register_android_text_KeyCharacterMap(JNIEnv *env); 147extern int register_android_opengl_classes(JNIEnv *env); 148extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 149extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 150extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env); 151extern int register_android_bluetooth_ScoSocket(JNIEnv *env); 152extern int register_android_server_BluetoothService(JNIEnv* env); 153extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 154extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 155extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 156extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 157extern int register_android_backup_BackupDataInput(JNIEnv *env); 158extern int register_android_backup_BackupDataOutput(JNIEnv *env); 159extern int register_android_backup_FileBackupHelperBase(JNIEnv *env); 160extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env); 161 162static AndroidRuntime* gCurRuntime = NULL; 163 164static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 165{ 166 if (jniThrowException(env, exc, msg) != 0) 167 assert(false); 168} 169 170/* 171 * Code written in the Java Programming Language calls here from main(). 172 */ 173static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 174{ 175 gCurRuntime->onStarted(); 176} 177 178static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 179{ 180 gCurRuntime->onZygoteInit(); 181} 182 183static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 184{ 185 return 1; 186} 187 188static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 189{ 190} 191 192static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 193{ 194 char* value = getenv("qwerty"); 195 if (value != NULL && strcmp(value, "true") == 0) { 196 return 1; 197 } 198 199 return 0; 200} 201 202/* 203 * JNI registration. 204 */ 205static JNINativeMethod gMethods[] = { 206 { "finishInit", "()V", 207 (void*) com_android_internal_os_RuntimeInit_finishInit }, 208 { "zygoteInitNative", "()V", 209 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 210 { "isComputerOn", "()I", 211 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 212 { "turnComputerOn", "()V", 213 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 214 { "getQwertyKeyboard", "()I", 215 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 216}; 217 218int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 219{ 220 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 221 gMethods, NELEM(gMethods)); 222} 223 224// ---------------------------------------------------------------------- 225 226/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 227 228 229AndroidRuntime::AndroidRuntime() 230{ 231 SkGraphics::Init(); 232 // this sets our preference for 16bit images during decode 233 // in case the src is opaque and 24bit 234 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 235 // This cache is shared between browser native images, and java "purgeable" 236 // bitmaps. This globalpool is for images that do not either use the java 237 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 238 // java call site. 239 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 240 // There is also a global font cache, but its budget is specified in code 241 // see SkFontHost_android.cpp 242 243 // Pre-allocate enough space to hold a fair number of options. 244 mOptions.setCapacity(20); 245 246 assert(gCurRuntime == NULL); // one per process 247 gCurRuntime = this; 248} 249 250AndroidRuntime::~AndroidRuntime() 251{ 252 SkGraphics::Term(); 253} 254 255/* 256 * Register native methods using JNI. 257 */ 258/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 259 const char* className, const JNINativeMethod* gMethods, int numMethods) 260{ 261 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 262} 263 264/* 265 * Call a static Java Programming Language function that takes no arguments and returns void. 266 */ 267status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 268{ 269 JNIEnv* env; 270 jclass clazz; 271 jmethodID methodId; 272 273 env = getJNIEnv(); 274 if (env == NULL) 275 return UNKNOWN_ERROR; 276 277 clazz = findClass(env, className); 278 if (clazz == NULL) { 279 LOGE("ERROR: could not find class '%s'\n", className); 280 return UNKNOWN_ERROR; 281 } 282 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 283 if (methodId == NULL) { 284 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 285 return UNKNOWN_ERROR; 286 } 287 288 env->CallStaticVoidMethod(clazz, methodId); 289 290 return NO_ERROR; 291} 292 293status_t AndroidRuntime::callMain( 294 const char* className, int argc, const char* const argv[]) 295{ 296 JNIEnv* env; 297 jclass clazz; 298 jmethodID methodId; 299 300 env = getJNIEnv(); 301 if (env == NULL) 302 return UNKNOWN_ERROR; 303 304 clazz = findClass(env, className); 305 if (clazz == NULL) { 306 LOGE("ERROR: could not find class '%s'\n", className); 307 return UNKNOWN_ERROR; 308 } 309 310 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 311 if (methodId == NULL) { 312 LOGE("ERROR: could not find method %s.main(String[])\n", className); 313 return UNKNOWN_ERROR; 314 } 315 316 /* 317 * We want to call main() with a String array with our arguments in it. 318 * Create an array and populate it. 319 */ 320 jclass stringClass; 321 jobjectArray strArray; 322 323 stringClass = env->FindClass("java/lang/String"); 324 strArray = env->NewObjectArray(argc, stringClass, NULL); 325 326 for (int i = 0; i < argc; i++) { 327 jstring argStr = env->NewStringUTF(argv[i]); 328 env->SetObjectArrayElement(strArray, i, argStr); 329 } 330 331 env->CallStaticVoidMethod(clazz, methodId, strArray); 332 return NO_ERROR; 333} 334 335/* 336 * Find the named class. 337 */ 338jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 339{ 340 char* convName = NULL; 341 342 if (env->ExceptionCheck()) { 343 LOGE("ERROR: exception pending on entry to findClass()\n"); 344 return NULL; 345 } 346 347 /* 348 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 349 * uses the dotted "binary name" format. We don't need to convert the 350 * name with the new approach. 351 */ 352#if 0 353 /* (convName only created if necessary -- use className) */ 354 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 355 if (*cp == '.') { 356 if (convName == NULL) { 357 convName = strdup(className); 358 cp = convName + (cp-className); 359 className = convName; 360 } 361 *cp = '/'; 362 } 363 } 364#endif 365 366 /* 367 * This is a little awkward because the JNI FindClass call uses the 368 * class loader associated with the native method we're executing in. 369 * Because this native method is part of a "boot" class, JNI doesn't 370 * look for the class in CLASSPATH, which unfortunately is a likely 371 * location for it. (Had we issued the FindClass call before calling 372 * into the VM -- at which point there isn't a native method frame on 373 * the stack -- the VM would have checked CLASSPATH. We have to do 374 * this because we call into Java Programming Language code and 375 * bounce back out.) 376 * 377 * JNI lacks a "find class in a specific class loader" operation, so we 378 * have to do things the hard way. 379 */ 380 jclass cls = NULL; 381 //cls = env->FindClass(className); 382 383 jclass javaLangClassLoader; 384 jmethodID getSystemClassLoader, loadClass; 385 jobject systemClassLoader; 386 jstring strClassName; 387 388 /* find the "system" class loader; none of this is expected to fail */ 389 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 390 assert(javaLangClassLoader != NULL); 391 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 392 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 393 loadClass = env->GetMethodID(javaLangClassLoader, 394 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 395 assert(getSystemClassLoader != NULL && loadClass != NULL); 396 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 397 getSystemClassLoader); 398 assert(systemClassLoader != NULL); 399 400 /* create an object for the class name string; alloc could fail */ 401 strClassName = env->NewStringUTF(className); 402 if (env->ExceptionCheck()) { 403 LOGE("ERROR: unable to convert '%s' to string\n", className); 404 goto bail; 405 } 406 LOGV("system class loader is %p, loading %p (%s)\n", 407 systemClassLoader, strClassName, className); 408 409 /* try to find the named class */ 410 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 411 strClassName); 412 if (env->ExceptionCheck()) { 413 LOGE("ERROR: unable to load class '%s' from %p\n", 414 className, systemClassLoader); 415 cls = NULL; 416 goto bail; 417 } 418 419bail: 420 free(convName); 421 return cls; 422} 423 424/* 425 * The VM calls this through the "exit" hook. 426 */ 427static void runtime_exit(int code) 428{ 429 gCurRuntime->onExit(code); 430 exit(code); 431} 432 433/* 434 * The VM calls this through the "vfprintf" hook. 435 * 436 * We ignore "fp" and just write the results to the log file. 437 */ 438static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 439{ 440 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 441} 442 443 444/** 445 * Add VM arguments to the to-be-executed VM 446 * Stops at first non '-' argument (also stops at an argument of '--') 447 * Returns the number of args consumed 448 */ 449int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 450{ 451 int i; 452 453 for (i = 0; i<argc; i++) { 454 if (argv[i][0] != '-') { 455 return i; 456 } 457 if (argv[i][1] == '-' && argv[i][2] == 0) { 458 return i+1; 459 } 460 461 JavaVMOption opt; 462 memset(&opt, 0, sizeof(opt)); 463 opt.optionString = (char*)argv[i]; 464 mOptions.add(opt); 465 } 466 return i; 467} 468 469static int hasDir(const char* dir) 470{ 471 struct stat s; 472 int res = stat(dir, &s); 473 if (res == 0) { 474 return S_ISDIR(s.st_mode); 475 } 476 return 0; 477} 478 479/* 480 * We just want failed write() calls to just return with an error. 481 */ 482static void blockSigpipe() 483{ 484 sigset_t mask; 485 486 sigemptyset(&mask); 487 sigaddset(&mask, SIGPIPE); 488 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 489 LOGW("WARNING: SIGPIPE not blocked\n"); 490} 491 492/* 493 * Read the persistent locale. 494 */ 495static void readLocale(char* language, char* region) 496{ 497 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 498 499 property_get("persist.sys.language", propLang, ""); 500 property_get("persist.sys.country", propRegn, ""); 501 if (*propLang == 0 && *propRegn == 0) { 502 /* Set to ro properties, default is en_US */ 503 property_get("ro.product.locale.language", propLang, "en"); 504 property_get("ro.product.locale.region", propRegn, "US"); 505 } 506 strncat(language, propLang, 2); 507 strncat(region, propRegn, 2); 508 //LOGD("language=%s region=%s\n", language, region); 509} 510 511/* 512 * Start the Dalvik Virtual Machine. 513 * 514 * Various arguments, most determined by system properties, are passed in. 515 * The "mOptions" vector is updated. 516 * 517 * Returns 0 on success. 518 */ 519int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 520{ 521 int result = -1; 522 JavaVMInitArgs initArgs; 523 JavaVMOption opt; 524 char propBuf[PROPERTY_VALUE_MAX]; 525 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 526 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 527 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 528 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 529 char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX]; 530 char* stackTraceFile = NULL; 531 bool checkJni = false; 532 bool checkDexSum = false; 533 bool logStdio = false; 534 enum { 535 kEMDefault, 536 kEMIntPortable, 537 kEMIntFast, 538#if defined(WITH_JIT) 539 kEMJitCompiler, 540#endif 541 } executionMode = kEMDefault; 542 543 544 property_get("dalvik.vm.checkjni", propBuf, ""); 545 if (strcmp(propBuf, "true") == 0) { 546 checkJni = true; 547 } else if (strcmp(propBuf, "false") != 0) { 548 /* property is neither true nor false; fall back on kernel parameter */ 549 property_get("ro.kernel.android.checkjni", propBuf, ""); 550 if (propBuf[0] == '1') { 551 checkJni = true; 552 } 553 } 554 555 property_get("dalvik.vm.execution-mode", propBuf, ""); 556 if (strcmp(propBuf, "int:portable") == 0) { 557 executionMode = kEMIntPortable; 558 } else if (strcmp(propBuf, "int:fast") == 0) { 559 executionMode = kEMIntFast; 560#if defined(WITH_JIT) 561 } else if (strcmp(propBuf, "int:jit") == 0) { 562 executionMode = kEMJitCompiler; 563#endif 564 } 565 566 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 567 568 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 569 if (strcmp(propBuf, "true") == 0) { 570 checkDexSum = true; 571 } 572 573 property_get("log.redirect-stdio", propBuf, ""); 574 if (strcmp(propBuf, "true") == 0) { 575 logStdio = true; 576 } 577 578 strcpy(enableAssertBuf, "-ea:"); 579 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 580 581 strcpy(jniOptsBuf, "-Xjniopts:"); 582 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 583 584 /* route exit() to our handler */ 585 opt.extraInfo = (void*) runtime_exit; 586 opt.optionString = "exit"; 587 mOptions.add(opt); 588 589 /* route fprintf() to our handler */ 590 opt.extraInfo = (void*) runtime_vfprintf; 591 opt.optionString = "vfprintf"; 592 mOptions.add(opt); 593 594 opt.extraInfo = NULL; 595 596 /* enable verbose; standard options are { jni, gc, class } */ 597 //options[curOpt++].optionString = "-verbose:jni"; 598 opt.optionString = "-verbose:gc"; 599 mOptions.add(opt); 600 //options[curOpt++].optionString = "-verbose:class"; 601 602 strcpy(heapsizeOptsBuf, "-Xmx"); 603 property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m"); 604 //LOGI("Heap size: %s", heapsizeOptsBuf); 605 opt.optionString = heapsizeOptsBuf; 606 mOptions.add(opt); 607 608 /* 609 * Enable or disable dexopt features, such as bytecode verification and 610 * calculation of register maps for precise GC. 611 */ 612 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 613 if (dexoptFlagsBuf[0] != '\0') { 614 const char* opc; 615 const char* val; 616 617 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 618 if (opc != NULL) { 619 switch (*(opc+2)) { 620 case 'n': val = "-Xverify:none"; break; 621 case 'r': val = "-Xverify:remote"; break; 622 case 'a': val = "-Xverify:all"; break; 623 default: val = NULL; break; 624 } 625 626 if (val != NULL) { 627 opt.optionString = val; 628 mOptions.add(opt); 629 } 630 } 631 632 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 633 if (opc != NULL) { 634 switch (*(opc+2)) { 635 case 'n': val = "-Xdexopt:none"; break; 636 case 'v': val = "-Xdexopt:verified"; break; 637 case 'a': val = "-Xdexopt:all"; break; 638 default: val = NULL; break; 639 } 640 641 if (val != NULL) { 642 opt.optionString = val; 643 mOptions.add(opt); 644 } 645 } 646 647 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 648 if (opc != NULL) { 649 opt.optionString = "-Xgenregmap"; 650 mOptions.add(opt); 651 652 /* turn on precise GC while we're at it */ 653 opt.optionString = "-Xgc:precise"; 654 mOptions.add(opt); 655 } 656 } 657 658 /* enable poisoning of memory of freed objects */ 659 property_get("dalvik.vm.gc.overwritefree", propBuf, "false"); 660 if (strcmp(propBuf, "true") == 0) { 661 opt.optionString = "-Xgc:overwritefree"; 662 mOptions.add(opt); 663 } else if (strcmp(propBuf, "false") != 0) { 664 LOGW("dalvik.vm.gc.overwritefree should be 'true' or 'false'"); 665 } 666 667 /* enable debugging; set suspend=y to pause during VM init */ 668#ifdef HAVE_ANDROID_OS 669 /* use android ADB transport */ 670 opt.optionString = 671 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 672#else 673 /* use TCP socket; address=0 means start at port 8000 and probe up */ 674 LOGI("Using TCP socket for JDWP\n"); 675 opt.optionString = 676 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 677#endif 678 mOptions.add(opt); 679 680 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 681 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 682 if (strlen(propBuf) > 0) { 683 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 684 strcat(enableDPBuf, propBuf); 685 opt.optionString = enableDPBuf; 686 mOptions.add(opt); 687 } 688 689 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 690 if (checkJni) { 691 /* extended JNI checking */ 692 opt.optionString = "-Xcheck:jni"; 693 mOptions.add(opt); 694 695 /* set a cap on JNI global references */ 696 opt.optionString = "-Xjnigreflimit:2000"; 697 mOptions.add(opt); 698 699 /* with -Xcheck:jni, this provides a JNI function call trace */ 700 //opt.optionString = "-verbose:jni"; 701 //mOptions.add(opt); 702 } 703 704#if defined(WITH_JIT) 705 /* Minimal profile threshold to trigger JIT compilation */ 706 char jitThresholdBuf[sizeof("-Xjitthreshold:") + PROPERTY_VALUE_MAX]; 707 property_get("dalvik.vm.jit.threshold", propBuf, ""); 708 if (strlen(propBuf) > 0) { 709 strcpy(jitThresholdBuf, "-Xjitthreshold:"); 710 strcat(jitThresholdBuf, propBuf); 711 opt.optionString = jitThresholdBuf; 712 mOptions.add(opt); 713 } 714 715 /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */ 716 char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX]; 717 property_get("dalvik.vm.jit.op", propBuf, ""); 718 if (strlen(propBuf) > 0) { 719 strcpy(jitOpBuf, "-Xjitop:"); 720 strcat(jitOpBuf, propBuf); 721 opt.optionString = jitOpBuf; 722 mOptions.add(opt); 723 } 724 725 /* 726 * Reverse the polarity of dalvik.vm.jit.op and force interpreter-only 727 * for non-selected opcodes. 728 */ 729 property_get("dalvik.vm.jit.includeop", propBuf, ""); 730 if (strlen(propBuf) > 0) { 731 opt.optionString = "-Xincludeselectedop"; 732 mOptions.add(opt); 733 } 734 735 /* Force interpreter-only mode for selected methods */ 736 char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX]; 737 property_get("dalvik.vm.jit.method", propBuf, ""); 738 if (strlen(propBuf) > 0) { 739 strcpy(jitMethodBuf, "-Xjitmethod:"); 740 strcat(jitMethodBuf, propBuf); 741 opt.optionString = jitMethodBuf; 742 mOptions.add(opt); 743 } 744 745 /* 746 * Reverse the polarity of dalvik.vm.jit.method and force interpreter-only 747 * for non-selected methods. 748 */ 749 property_get("dalvik.vm.jit.includemethod", propBuf, ""); 750 if (strlen(propBuf) > 0) { 751 opt.optionString = "-Xincludeselectedmethod"; 752 mOptions.add(opt); 753 } 754 755 /* 756 * Enable profile collection on JIT'ed code. 757 */ 758 property_get("dalvik.vm.jit.profile", propBuf, ""); 759 if (strlen(propBuf) > 0) { 760 opt.optionString = "-Xjitprofile"; 761 mOptions.add(opt); 762 } 763 764 /* 765 * Disable optimizations by setting the corresponding bit to 1. 766 */ 767 char jitOptBuf[sizeof("-Xjitdisableopt:") + PROPERTY_VALUE_MAX]; 768 property_get("dalvik.vm.jit.disableopt", propBuf, ""); 769 if (strlen(propBuf) > 0) { 770 strcpy(jitOptBuf, "-Xjitdisableopt:"); 771 strcat(jitOptBuf, propBuf); 772 opt.optionString = jitOptBuf; 773 mOptions.add(opt); 774 } 775#endif 776 777 if (executionMode == kEMIntPortable) { 778 opt.optionString = "-Xint:portable"; 779 mOptions.add(opt); 780 } else if (executionMode == kEMIntFast) { 781 opt.optionString = "-Xint:fast"; 782 mOptions.add(opt); 783#if defined(WITH_JIT) 784 } else if (executionMode == kEMJitCompiler) { 785 opt.optionString = "-Xint:jit"; 786 mOptions.add(opt); 787#endif 788 } 789 790 if (checkDexSum) { 791 /* perform additional DEX checksum tests */ 792 opt.optionString = "-Xcheckdexsum"; 793 mOptions.add(opt); 794 } 795 796 if (logStdio) { 797 /* convert stdout/stderr to log messages */ 798 opt.optionString = "-Xlog-stdio"; 799 mOptions.add(opt); 800 } 801 802 if (enableAssertBuf[4] != '\0') { 803 /* accept "all" to mean "all classes and packages" */ 804 if (strcmp(enableAssertBuf+4, "all") == 0) 805 enableAssertBuf[3] = '\0'; 806 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 807 opt.optionString = enableAssertBuf; 808 mOptions.add(opt); 809 } else { 810 LOGV("Assertions disabled\n"); 811 } 812 813 if (jniOptsBuf[10] != '\0') { 814 LOGI("JNI options: '%s'\n", jniOptsBuf); 815 opt.optionString = jniOptsBuf; 816 mOptions.add(opt); 817 } 818 819 if (stackTraceFileBuf[0] != '\0') { 820 static const char* stfOptName = "-Xstacktracefile:"; 821 822 stackTraceFile = (char*) malloc(strlen(stfOptName) + 823 strlen(stackTraceFileBuf) +1); 824 strcpy(stackTraceFile, stfOptName); 825 strcat(stackTraceFile, stackTraceFileBuf); 826 opt.optionString = stackTraceFile; 827 mOptions.add(opt); 828 } 829 830 /* Set the properties for locale */ 831 { 832 char langOption[sizeof("-Duser.language=") + 3]; 833 char regionOption[sizeof("-Duser.region=") + 3]; 834 strcpy(langOption, "-Duser.language="); 835 strcpy(regionOption, "-Duser.region="); 836 readLocale(langOption, regionOption); 837 opt.extraInfo = NULL; 838 opt.optionString = langOption; 839 mOptions.add(opt); 840 opt.optionString = regionOption; 841 mOptions.add(opt); 842 } 843 844 /* 845 * We don't have /tmp on the device, but we often have an SD card. Apps 846 * shouldn't use this, but some test suites might want to exercise it. 847 */ 848 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 849 mOptions.add(opt); 850 851 initArgs.version = JNI_VERSION_1_4; 852 initArgs.options = mOptions.editArray(); 853 initArgs.nOptions = mOptions.size(); 854 initArgs.ignoreUnrecognized = JNI_FALSE; 855 856 /* 857 * Initialize the VM. 858 * 859 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 860 * If this call succeeds, the VM is ready, and we can start issuing 861 * JNI calls. 862 */ 863 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 864 LOGE("JNI_CreateJavaVM failed\n"); 865 goto bail; 866 } 867 868 result = 0; 869 870bail: 871 free(stackTraceFile); 872 return result; 873} 874 875/* 876 * Start the Android runtime. This involves starting the virtual machine 877 * and calling the "static void main(String[] args)" method in the class 878 * named by "className". 879 */ 880void AndroidRuntime::start(const char* className, const bool startSystemServer) 881{ 882 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 883 884 char* slashClassName = NULL; 885 char* cp; 886 JNIEnv* env; 887 888 blockSigpipe(); 889 890 /* 891 * 'startSystemServer == true' means runtime is obslete and not run from 892 * init.rc anymore, so we print out the boot start event here. 893 */ 894 if (startSystemServer) { 895 /* track our progress through the boot sequence */ 896 const int LOG_BOOT_PROGRESS_START = 3000; 897 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 898 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 899 } 900 901 const char* rootDir = getenv("ANDROID_ROOT"); 902 if (rootDir == NULL) { 903 rootDir = "/system"; 904 if (!hasDir("/system")) { 905 LOG_FATAL("No root directory specified, and /android does not exist."); 906 goto bail; 907 } 908 setenv("ANDROID_ROOT", rootDir, 1); 909 } 910 911 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 912 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 913 914 /* start the virtual machine */ 915 if (startVm(&mJavaVM, &env) != 0) 916 goto bail; 917 918 /* 919 * Register android functions. 920 */ 921 if (startReg(env) < 0) { 922 LOGE("Unable to register all android natives\n"); 923 goto bail; 924 } 925 926 /* 927 * We want to call main() with a String array with arguments in it. 928 * At present we only have one argument, the class name. Create an 929 * array to hold it. 930 */ 931 jclass stringClass; 932 jobjectArray strArray; 933 jstring classNameStr; 934 jstring startSystemServerStr; 935 936 stringClass = env->FindClass("java/lang/String"); 937 assert(stringClass != NULL); 938 strArray = env->NewObjectArray(2, stringClass, NULL); 939 assert(strArray != NULL); 940 classNameStr = env->NewStringUTF(className); 941 assert(classNameStr != NULL); 942 env->SetObjectArrayElement(strArray, 0, classNameStr); 943 startSystemServerStr = env->NewStringUTF(startSystemServer ? 944 "true" : "false"); 945 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 946 947 /* 948 * Start VM. This thread becomes the main thread of the VM, and will 949 * not return until the VM exits. 950 */ 951 jclass startClass; 952 jmethodID startMeth; 953 954 slashClassName = strdup(className); 955 for (cp = slashClassName; *cp != '\0'; cp++) 956 if (*cp == '.') 957 *cp = '/'; 958 959 startClass = env->FindClass(slashClassName); 960 if (startClass == NULL) { 961 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 962 /* keep going */ 963 } else { 964 startMeth = env->GetStaticMethodID(startClass, "main", 965 "([Ljava/lang/String;)V"); 966 if (startMeth == NULL) { 967 LOGE("JavaVM unable to find main() in '%s'\n", className); 968 /* keep going */ 969 } else { 970 env->CallStaticVoidMethod(startClass, startMeth, strArray); 971 972#if 0 973 if (env->ExceptionCheck()) 974 threadExitUncaughtException(env); 975#endif 976 } 977 } 978 979 LOGD("Shutting down VM\n"); 980 if (mJavaVM->DetachCurrentThread() != JNI_OK) 981 LOGW("Warning: unable to detach main thread\n"); 982 if (mJavaVM->DestroyJavaVM() != 0) 983 LOGW("Warning: VM did not shut down cleanly\n"); 984 985bail: 986 free(slashClassName); 987} 988 989void AndroidRuntime::start() 990{ 991 start("com.android.internal.os.RuntimeInit", 992 false /* Don't start the system server */); 993} 994 995void AndroidRuntime::onExit(int code) 996{ 997 LOGI("AndroidRuntime onExit calling exit(%d)", code); 998 exit(code); 999} 1000 1001/* 1002 * Get the JNIEnv pointer for this thread. 1003 * 1004 * Returns NULL if the slot wasn't allocated or populated. 1005 */ 1006/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 1007{ 1008 JNIEnv* env; 1009 JavaVM* vm = AndroidRuntime::getJavaVM(); 1010 assert(vm != NULL); 1011 1012 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 1013 return NULL; 1014 return env; 1015} 1016 1017/* 1018 * Makes the current thread visible to the VM. 1019 * 1020 * The JNIEnv pointer returned is only valid for the current thread, and 1021 * thus must be tucked into thread-local storage. 1022 */ 1023static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 1024{ 1025 JavaVMAttachArgs args; 1026 JavaVM* vm; 1027 jint result; 1028 1029 vm = AndroidRuntime::getJavaVM(); 1030 assert(vm != NULL); 1031 1032 args.version = JNI_VERSION_1_4; 1033 args.name = (char*) threadName; 1034 args.group = NULL; 1035 1036 result = vm->AttachCurrentThread(pEnv, (void*) &args); 1037 if (result != JNI_OK) 1038 LOGI("NOTE: attach of thread '%s' failed\n", threadName); 1039 1040 return result; 1041} 1042 1043/* 1044 * Detach the current thread from the set visible to the VM. 1045 */ 1046static int javaDetachThread(void) 1047{ 1048 JavaVM* vm; 1049 jint result; 1050 1051 vm = AndroidRuntime::getJavaVM(); 1052 assert(vm != NULL); 1053 1054 result = vm->DetachCurrentThread(); 1055 if (result != JNI_OK) 1056 LOGE("ERROR: thread detach failed\n"); 1057 return result; 1058} 1059 1060/* 1061 * When starting a native thread that will be visible from the VM, we 1062 * bounce through this to get the right attach/detach action. 1063 * Note that this function calls free(args) 1064 */ 1065/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 1066 void* start = ((void**)args)[0]; 1067 void* userData = ((void **)args)[1]; 1068 char* name = (char*) ((void **)args)[2]; // we own this storage 1069 free(args); 1070 JNIEnv* env; 1071 int result; 1072 1073 /* hook us into the VM */ 1074 if (javaAttachThread(name, &env) != JNI_OK) 1075 return -1; 1076 1077 /* start the thread running */ 1078 result = (*(android_thread_func_t)start)(userData); 1079 1080 /* unhook us */ 1081 javaDetachThread(); 1082 free(name); 1083 1084 return result; 1085} 1086 1087/* 1088 * This is invoked from androidCreateThreadEtc() via the callback 1089 * set with androidSetCreateThreadFunc(). 1090 * 1091 * We need to create the new thread in such a way that it gets hooked 1092 * into the VM before it really starts executing. 1093 */ 1094/*static*/ int AndroidRuntime::javaCreateThreadEtc( 1095 android_thread_func_t entryFunction, 1096 void* userData, 1097 const char* threadName, 1098 int32_t threadPriority, 1099 size_t threadStackSize, 1100 android_thread_id_t* threadId) 1101{ 1102 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1103 int result; 1104 1105 assert(threadName != NULL); 1106 1107 args[0] = (void*) entryFunction; 1108 args[1] = userData; 1109 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1110 1111 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1112 threadName, threadPriority, threadStackSize, threadId); 1113 return result; 1114} 1115 1116/* 1117 * Create a thread that is visible from the VM. 1118 * 1119 * This is called from elsewhere in the library. 1120 */ 1121/*static*/ void AndroidRuntime::createJavaThread(const char* name, 1122 void (*start)(void *), void* arg) 1123{ 1124 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1125 ANDROID_PRIORITY_DEFAULT, 0, NULL); 1126} 1127 1128#if 0 1129static void quickTest(void* arg) 1130{ 1131 const char* str = (const char*) arg; 1132 1133 printf("In quickTest: %s\n", str); 1134} 1135#endif 1136 1137#ifdef NDEBUG 1138 #define REG_JNI(name) { name } 1139 struct RegJNIRec { 1140 int (*mProc)(JNIEnv*); 1141 }; 1142#else 1143 #define REG_JNI(name) { name, #name } 1144 struct RegJNIRec { 1145 int (*mProc)(JNIEnv*); 1146 const char* mName; 1147 }; 1148#endif 1149 1150typedef void (*RegJAMProc)(); 1151 1152static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1153{ 1154 for (size_t i = 0; i < count; i++) { 1155 if (array[i].mProc(env) < 0) { 1156#ifndef NDEBUG 1157 LOGD("----------!!! %s failed to load\n", array[i].mName); 1158#endif 1159 return -1; 1160 } 1161 } 1162 return 0; 1163} 1164 1165static void register_jam_procs(const RegJAMProc array[], size_t count) 1166{ 1167 for (size_t i = 0; i < count; i++) { 1168 array[i](); 1169 } 1170} 1171 1172static const RegJNIRec gRegJNI[] = { 1173 REG_JNI(register_android_debug_JNITest), 1174 REG_JNI(register_com_android_internal_os_RuntimeInit), 1175 REG_JNI(register_android_os_SystemClock), 1176 REG_JNI(register_android_util_EventLog), 1177 REG_JNI(register_android_util_Log), 1178 REG_JNI(register_android_util_FloatMath), 1179 REG_JNI(register_android_text_format_Time), 1180 REG_JNI(register_android_pim_EventRecurrence), 1181 REG_JNI(register_android_content_AssetManager), 1182 REG_JNI(register_android_content_StringBlock), 1183 REG_JNI(register_android_content_XmlBlock), 1184 REG_JNI(register_android_emoji_EmojiFactory), 1185 REG_JNI(register_android_security_Md5MessageDigest), 1186 REG_JNI(register_android_text_AndroidCharacter), 1187 REG_JNI(register_android_text_AndroidBidi), 1188 REG_JNI(register_android_text_KeyCharacterMap), 1189 REG_JNI(register_android_os_Process), 1190 REG_JNI(register_android_os_Binder), 1191 REG_JNI(register_android_view_Display), 1192 REG_JNI(register_android_nio_utils), 1193 REG_JNI(register_android_graphics_PixelFormat), 1194 REG_JNI(register_android_graphics_Graphics), 1195 REG_JNI(register_android_view_Surface), 1196 REG_JNI(register_android_view_ViewRoot), 1197 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1198 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1199 REG_JNI(register_android_opengl_jni_GLES10), 1200 REG_JNI(register_android_opengl_jni_GLES10Ext), 1201 REG_JNI(register_android_opengl_jni_GLES11), 1202 REG_JNI(register_android_opengl_jni_GLES11Ext), 1203 REG_JNI(register_android_opengl_jni_GLES20), 1204 1205 REG_JNI(register_android_graphics_Bitmap), 1206 REG_JNI(register_android_graphics_BitmapFactory), 1207 REG_JNI(register_android_graphics_Camera), 1208 REG_JNI(register_android_graphics_Canvas), 1209 REG_JNI(register_android_graphics_ColorFilter), 1210 REG_JNI(register_android_graphics_DrawFilter), 1211 REG_JNI(register_android_graphics_Interpolator), 1212 REG_JNI(register_android_graphics_LayerRasterizer), 1213 REG_JNI(register_android_graphics_MaskFilter), 1214 REG_JNI(register_android_graphics_Matrix), 1215 REG_JNI(register_android_graphics_Movie), 1216 REG_JNI(register_android_graphics_NinePatch), 1217 REG_JNI(register_android_graphics_Paint), 1218 REG_JNI(register_android_graphics_Path), 1219 REG_JNI(register_android_graphics_PathMeasure), 1220 REG_JNI(register_android_graphics_PathEffect), 1221 REG_JNI(register_android_graphics_Picture), 1222 REG_JNI(register_android_graphics_PorterDuff), 1223 REG_JNI(register_android_graphics_Rasterizer), 1224 REG_JNI(register_android_graphics_Region), 1225 REG_JNI(register_android_graphics_Shader), 1226 REG_JNI(register_android_graphics_Typeface), 1227 REG_JNI(register_android_graphics_Xfermode), 1228 REG_JNI(register_android_graphics_YuvImage), 1229 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1230 1231 REG_JNI(register_android_database_CursorWindow), 1232 REG_JNI(register_android_database_SQLiteCompiledSql), 1233 REG_JNI(register_android_database_SQLiteDatabase), 1234 REG_JNI(register_android_database_SQLiteDebug), 1235 REG_JNI(register_android_database_SQLiteProgram), 1236 REG_JNI(register_android_database_SQLiteQuery), 1237 REG_JNI(register_android_database_SQLiteStatement), 1238 REG_JNI(register_android_os_Debug), 1239 REG_JNI(register_android_os_FileObserver), 1240 REG_JNI(register_android_os_FileUtils), 1241 REG_JNI(register_android_os_ParcelFileDescriptor), 1242 REG_JNI(register_android_os_Power), 1243 REG_JNI(register_android_os_StatFs), 1244 REG_JNI(register_android_os_SystemProperties), 1245 REG_JNI(register_android_os_UEventObserver), 1246 REG_JNI(register_android_net_LocalSocketImpl), 1247 REG_JNI(register_android_net_NetworkUtils), 1248 REG_JNI(register_android_net_wifi_WifiManager), 1249 REG_JNI(register_android_os_MemoryFile), 1250 REG_JNI(register_com_android_internal_os_ZygoteInit), 1251 REG_JNI(register_android_hardware_Camera), 1252 REG_JNI(register_android_hardware_SensorManager), 1253 REG_JNI(register_android_media_AudioRecord), 1254 REG_JNI(register_android_media_AudioSystem), 1255 REG_JNI(register_android_media_AudioTrack), 1256 REG_JNI(register_android_media_JetPlayer), 1257 REG_JNI(register_android_media_ToneGenerator), 1258 1259 REG_JNI(register_android_opengl_classes), 1260 REG_JNI(register_android_bluetooth_HeadsetBase), 1261 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1262 REG_JNI(register_android_bluetooth_BluetoothSocket), 1263 REG_JNI(register_android_bluetooth_ScoSocket), 1264 REG_JNI(register_android_server_BluetoothService), 1265 REG_JNI(register_android_server_BluetoothEventLoop), 1266 REG_JNI(register_android_server_BluetoothA2dpService), 1267 REG_JNI(register_android_message_digest_sha1), 1268 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1269 REG_JNI(register_android_backup_BackupDataInput), 1270 REG_JNI(register_android_backup_BackupDataOutput), 1271 REG_JNI(register_android_backup_FileBackupHelperBase), 1272 REG_JNI(register_android_backup_BackupHelperDispatcher), 1273}; 1274 1275/* 1276 * Register android native functions with the VM. 1277 */ 1278/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1279{ 1280 /* 1281 * This hook causes all future threads created in this process to be 1282 * attached to the JavaVM. (This needs to go away in favor of JNI 1283 * Attach calls.) 1284 */ 1285 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1286 1287 LOGD("--- registering native functions ---\n"); 1288 1289 /* 1290 * Every "register" function calls one or more things that return 1291 * a local reference (e.g. FindClass). Because we haven't really 1292 * started the VM yet, they're all getting stored in the base frame 1293 * and never released. Use Push/Pop to manage the storage. 1294 */ 1295 env->PushLocalFrame(200); 1296 1297 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1298 env->PopLocalFrame(NULL); 1299 return -1; 1300 } 1301 env->PopLocalFrame(NULL); 1302 1303 //createJavaThread("fubar", quickTest, (void*) "hello"); 1304 1305 return 0; 1306} 1307 1308AndroidRuntime* AndroidRuntime::getRuntime() 1309{ 1310 return gCurRuntime; 1311} 1312 1313/** 1314 * Used by WithFramework to register native functions. 1315 */ 1316extern "C" 1317jint Java_com_android_internal_util_WithFramework_registerNatives( 1318 JNIEnv* env, jclass clazz) { 1319 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1320} 1321 1322/** 1323 * Used by LoadClass to register native functions. 1324 */ 1325extern "C" 1326jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1327 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1328} 1329 1330} // namespace android 1331