AndroidRuntime.cpp revision 27f8002e591b5c579f75b2580183b5d1c4219cd4
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 <utils/IBinder.h> 23#include <utils/IServiceManager.h> 24#include <utils/Log.h> 25#include <utils/misc.h> 26#include <utils/Parcel.h> 27#include <utils/string_array.h> 28#include <utils/threads.h> 29#include <cutils/properties.h> 30 31#include <SkGraphics.h> 32#include <SkImageDecoder.h> 33 34#include "jni.h" 35#include "JNIHelp.h" 36#include "android_util_Binder.h" 37 38#include <stdio.h> 39#include <signal.h> 40#include <sys/stat.h> 41#include <sys/types.h> 42#include <signal.h> 43#include <dirent.h> 44#include <assert.h> 45 46 47using namespace android; 48 49extern void register_BindTest(); 50 51extern int register_android_os_Binder(JNIEnv* env); 52extern int register_android_os_Process(JNIEnv* env); 53extern int register_android_graphics_Bitmap(JNIEnv*); 54extern int register_android_graphics_BitmapFactory(JNIEnv*); 55extern int register_android_graphics_Camera(JNIEnv* env); 56extern int register_android_graphics_Graphics(JNIEnv* env); 57extern int register_android_graphics_Interpolator(JNIEnv* env); 58extern int register_android_graphics_LayerRasterizer(JNIEnv*); 59extern int register_android_graphics_MaskFilter(JNIEnv* env); 60extern int register_android_graphics_Movie(JNIEnv* env); 61extern int register_android_graphics_NinePatch(JNIEnv*); 62extern int register_android_graphics_PathEffect(JNIEnv* env); 63extern int register_android_graphics_Region(JNIEnv* env); 64extern int register_android_graphics_Shader(JNIEnv* env); 65extern int register_android_graphics_Typeface(JNIEnv* env); 66 67extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 68extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 69extern int register_android_opengl_jni_GLES10(JNIEnv* env); 70extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 71extern int register_android_opengl_jni_GLES11(JNIEnv* env); 72extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 73 74extern int register_android_hardware_Camera(JNIEnv *env); 75 76extern int register_android_hardware_SensorManager(JNIEnv *env); 77 78extern int register_android_media_AudioRecord(JNIEnv *env); 79extern int register_android_media_AudioSystem(JNIEnv *env); 80extern int register_android_media_AudioTrack(JNIEnv *env); 81extern int register_android_media_JetPlayer(JNIEnv *env); 82extern int register_android_media_ToneGenerator(JNIEnv *env); 83 84extern int register_android_message_digest_sha1(JNIEnv *env); 85 86extern int register_android_util_FloatMath(JNIEnv* env); 87 88namespace android { 89 90/* 91 * JNI-based registration functions. Note these are properly contained in 92 * namespace android. 93 */ 94extern int register_android_content_AssetManager(JNIEnv* env); 95extern int register_android_util_EventLog(JNIEnv* env); 96extern int register_android_util_Log(JNIEnv* env); 97extern int register_android_content_StringBlock(JNIEnv* env); 98extern int register_android_content_XmlBlock(JNIEnv* env); 99extern int register_android_emoji_EmojiFactory(JNIEnv* env); 100extern int register_android_graphics_Canvas(JNIEnv* env); 101extern int register_android_graphics_ColorFilter(JNIEnv* env); 102extern int register_android_graphics_DrawFilter(JNIEnv* env); 103extern int register_android_graphics_Matrix(JNIEnv* env); 104extern int register_android_graphics_Paint(JNIEnv* env); 105extern int register_android_graphics_Path(JNIEnv* env); 106extern int register_android_graphics_PathMeasure(JNIEnv* env); 107extern int register_android_graphics_Picture(JNIEnv*); 108extern int register_android_graphics_PorterDuff(JNIEnv* env); 109extern int register_android_graphics_Rasterizer(JNIEnv* env); 110extern int register_android_graphics_Xfermode(JNIEnv* env); 111extern int register_android_graphics_PixelFormat(JNIEnv* env); 112extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 113extern int register_android_view_Display(JNIEnv* env); 114extern int register_android_view_Surface(JNIEnv* env); 115extern int register_android_view_ViewRoot(JNIEnv* env); 116extern int register_android_database_CursorWindow(JNIEnv* env); 117extern int register_android_database_SQLiteDatabase(JNIEnv* env); 118extern int register_android_database_SQLiteDebug(JNIEnv* env); 119extern int register_android_database_SQLiteProgram(JNIEnv* env); 120extern int register_android_database_SQLiteQuery(JNIEnv* env); 121extern int register_android_database_SQLiteStatement(JNIEnv* env); 122extern int register_android_debug_JNITest(JNIEnv* env); 123extern int register_android_nio_utils(JNIEnv* env); 124extern int register_android_pim_EventRecurrence(JNIEnv* env); 125extern int register_android_text_format_Time(JNIEnv* env); 126extern int register_android_os_Debug(JNIEnv* env); 127extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 128extern int register_android_os_Power(JNIEnv *env); 129extern int register_android_os_StatFs(JNIEnv *env); 130extern int register_android_os_SystemProperties(JNIEnv *env); 131extern int register_android_os_Hardware(JNIEnv* env); 132extern int register_android_os_Exec(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_Database(JNIEnv* env); 146extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 147extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 148extern int register_android_bluetooth_RfcommSocket(JNIEnv *env); 149extern int register_android_bluetooth_ScoSocket(JNIEnv *env); 150extern int register_android_server_BluetoothDeviceService(JNIEnv* env); 151extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 152extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 153extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 154extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 155extern int register_android_util_Base64(JNIEnv* env); 156extern int register_android_location_GpsLocationProvider(JNIEnv* env); 157 158static AndroidRuntime* gCurRuntime = NULL; 159 160static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 161{ 162 if (jniThrowException(env, exc, msg) != 0) 163 assert(false); 164} 165 166/* 167 * Code written in the Java Programming Language calls here from main(). 168 */ 169static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 170{ 171 gCurRuntime->onStarted(); 172} 173 174static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 175{ 176 gCurRuntime->onZygoteInit(); 177} 178 179static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 180{ 181 return 1; 182} 183 184static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 185{ 186} 187 188static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 189{ 190 char* value = getenv("qwerty"); 191 if (value != NULL && strcmp(value, "true") == 0) { 192 return 1; 193 } 194 195 return 0; 196} 197 198/* 199 * JNI registration. 200 */ 201static JNINativeMethod gMethods[] = { 202 { "finishInit", "()V", 203 (void*) com_android_internal_os_RuntimeInit_finishInit }, 204 { "zygoteInitNative", "()V", 205 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 206 { "isComputerOn", "()I", 207 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 208 { "turnComputerOn", "()V", 209 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 210 { "getQwertyKeyboard", "()I", 211 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 212}; 213 214int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 215{ 216 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 217 gMethods, NELEM(gMethods)); 218} 219 220// ---------------------------------------------------------------------- 221 222/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 223 224 225AndroidRuntime::AndroidRuntime() 226{ 227 SkGraphics::Init(); 228 // this sets our preference for 16bit images during decode 229 // in case the src is opaque and 24bit 230 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 231 232 // Pre-allocate enough space to hold a fair number of options. 233 mOptions.setCapacity(20); 234 235 assert(gCurRuntime == NULL); // one per process 236 gCurRuntime = this; 237} 238 239AndroidRuntime::~AndroidRuntime() 240{ 241 SkGraphics::Term(); 242} 243 244/* 245 * Register native methods using JNI. 246 */ 247/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 248 const char* className, const JNINativeMethod* gMethods, int numMethods) 249{ 250 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 251} 252 253/* 254 * Call a static Java Programming Language function that takes no arguments and returns void. 255 */ 256status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 257{ 258 JNIEnv* env; 259 jclass clazz; 260 jmethodID methodId; 261 262 env = getJNIEnv(); 263 if (env == NULL) 264 return UNKNOWN_ERROR; 265 266 clazz = findClass(env, className); 267 if (clazz == NULL) { 268 LOGE("ERROR: could not find class '%s'\n", className); 269 return UNKNOWN_ERROR; 270 } 271 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 272 if (methodId == NULL) { 273 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 274 return UNKNOWN_ERROR; 275 } 276 277 env->CallStaticVoidMethod(clazz, methodId); 278 279 return NO_ERROR; 280} 281 282status_t AndroidRuntime::callMain( 283 const char* className, int argc, const char* const argv[]) 284{ 285 JNIEnv* env; 286 jclass clazz; 287 jmethodID methodId; 288 289 env = getJNIEnv(); 290 if (env == NULL) 291 return UNKNOWN_ERROR; 292 293 clazz = findClass(env, className); 294 if (clazz == NULL) { 295 LOGE("ERROR: could not find class '%s'\n", className); 296 return UNKNOWN_ERROR; 297 } 298 299 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 300 if (methodId == NULL) { 301 LOGE("ERROR: could not find method %s.main(String[])\n", className); 302 return UNKNOWN_ERROR; 303 } 304 305 /* 306 * We want to call main() with a String array with our arguments in it. 307 * Create an array and populate it. 308 */ 309 jclass stringClass; 310 jobjectArray strArray; 311 312 stringClass = env->FindClass("java/lang/String"); 313 strArray = env->NewObjectArray(argc, stringClass, NULL); 314 315 for (int i = 0; i < argc; i++) { 316 jstring argStr = env->NewStringUTF(argv[i]); 317 env->SetObjectArrayElement(strArray, i, argStr); 318 } 319 320 env->CallStaticVoidMethod(clazz, methodId, strArray); 321 return NO_ERROR; 322} 323 324/* 325 * Find the named class. 326 */ 327jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 328{ 329 char* convName = NULL; 330 331 if (env->ExceptionCheck()) { 332 LOGE("ERROR: exception pending on entry to findClass()\n"); 333 return NULL; 334 } 335 336 /* 337 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 338 * uses the dotted "binary name" format. We don't need to convert the 339 * name with the new approach. 340 */ 341#if 0 342 /* (convName only created if necessary -- use className) */ 343 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 344 if (*cp == '.') { 345 if (convName == NULL) { 346 convName = strdup(className); 347 cp = convName + (cp-className); 348 className = convName; 349 } 350 *cp = '/'; 351 } 352 } 353#endif 354 355 /* 356 * This is a little awkward because the JNI FindClass call uses the 357 * class loader associated with the native method we're executing in. 358 * Because this native method is part of a "boot" class, JNI doesn't 359 * look for the class in CLASSPATH, which unfortunately is a likely 360 * location for it. (Had we issued the FindClass call before calling 361 * into the VM -- at which point there isn't a native method frame on 362 * the stack -- the VM would have checked CLASSPATH. We have to do 363 * this because we call into Java Programming Language code and 364 * bounce back out.) 365 * 366 * JNI lacks a "find class in a specific class loader" operation, so we 367 * have to do things the hard way. 368 */ 369 jclass cls = NULL; 370 //cls = env->FindClass(className); 371 372 jclass javaLangClassLoader; 373 jmethodID getSystemClassLoader, loadClass; 374 jobject systemClassLoader; 375 jstring strClassName; 376 377 /* find the "system" class loader; none of this is expected to fail */ 378 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 379 assert(javaLangClassLoader != NULL); 380 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 381 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 382 loadClass = env->GetMethodID(javaLangClassLoader, 383 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 384 assert(getSystemClassLoader != NULL && loadClass != NULL); 385 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 386 getSystemClassLoader); 387 assert(systemClassLoader != NULL); 388 389 /* create an object for the class name string; alloc could fail */ 390 strClassName = env->NewStringUTF(className); 391 if (env->ExceptionCheck()) { 392 LOGE("ERROR: unable to convert '%s' to string\n", className); 393 goto bail; 394 } 395 LOGV("system class loader is %p, loading %p (%s)\n", 396 systemClassLoader, strClassName, className); 397 398 /* try to find the named class */ 399 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 400 strClassName); 401 if (env->ExceptionCheck()) { 402 LOGE("ERROR: unable to load class '%s' from %p\n", 403 className, systemClassLoader); 404 cls = NULL; 405 goto bail; 406 } 407 408bail: 409 free(convName); 410 return cls; 411} 412 413/* 414 * The VM calls this through the "exit" hook. 415 */ 416static void runtime_exit(int code) 417{ 418 gCurRuntime->onExit(code); 419 exit(code); 420} 421 422/* 423 * The VM calls this through the "vfprintf" hook. 424 * 425 * We ignore "fp" and just write the results to the log file. 426 */ 427static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 428{ 429 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 430} 431 432 433/** 434 * Add VM arguments to the to-be-executed VM 435 * Stops at first non '-' argument (also stops at an argument of '--') 436 * Returns the number of args consumed 437 */ 438int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 439{ 440 int i; 441 442 for (i = 0; i<argc; i++) { 443 if (argv[i][0] != '-') { 444 return i; 445 } 446 if (argv[i][1] == '-' && argv[i][2] == 0) { 447 return i+1; 448 } 449 450 JavaVMOption opt; 451 memset(&opt, 0, sizeof(opt)); 452 opt.optionString = (char*)argv[i]; 453 mOptions.add(opt); 454 } 455 return i; 456} 457 458static int hasDir(const char* dir) 459{ 460 struct stat s; 461 int res = stat(dir, &s); 462 if (res == 0) { 463 return S_ISDIR(s.st_mode); 464 } 465 return 0; 466} 467 468/* 469 * We just want failed write() calls to just return with an error. 470 */ 471static void blockSigpipe() 472{ 473 sigset_t mask; 474 475 sigemptyset(&mask); 476 sigaddset(&mask, SIGPIPE); 477 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 478 LOGW("WARNING: SIGPIPE not blocked\n"); 479} 480 481/* 482 * Read the persistent locale. 483 */ 484static void readLocale(char* language, char* region) 485{ 486 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 487 488 property_get("persist.sys.language", propLang, ""); 489 property_get("persist.sys.country", propRegn, ""); 490 if (*propLang == 0 && *propRegn == 0) { 491 /* Set to ro properties, default is en_US */ 492 property_get("ro.product.locale.language", propLang, "en"); 493 property_get("ro.product.locale.region", propRegn, "US"); 494 } 495 strncat(language, propLang, 2); 496 strncat(region, propRegn, 2); 497 //LOGD("language=%s region=%s\n", language, region); 498} 499 500void AndroidRuntime::start(const char* className, const bool startSystemServer) 501{ 502 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 503 504 JNIEnv* env; 505 JavaVMInitArgs initArgs; 506 JavaVMOption opt; 507 char propBuf[PROPERTY_VALUE_MAX]; 508 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 509 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 510 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 511 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 512 char* stackTraceFile = NULL; 513 char* slashClassName = NULL; 514 char* cp; 515 bool checkJni = false; 516 bool logStdio = false; 517 enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault; 518 519 blockSigpipe(); 520 521 /* 522 * 'startSystemServer == true' means runtime is obslete and not run from 523 * init.rc anymore, so we print out the boot start event here. 524 */ 525 if (startSystemServer) { 526 /* track our progress through the boot sequence */ 527 const int LOG_BOOT_PROGRESS_START = 3000; 528 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 529 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 530 } 531 532 property_get("dalvik.vm.checkjni", propBuf, ""); 533 if (strcmp(propBuf, "true") == 0) { 534 checkJni = true; 535 } else if (strcmp(propBuf, "false") != 0) { 536 /* property is neither true nor false; fall back on kernel parameter */ 537 property_get("ro.kernel.android.checkjni", propBuf, ""); 538 if (propBuf[0] == '1') { 539 checkJni = true; 540 } 541 } 542 543 property_get("dalvik.vm.execution-mode", propBuf, ""); 544 if (strcmp(propBuf, "int:portable") == 0) { 545 executionMode = kEMIntPortable; 546 } else if (strcmp(propBuf, "int:fast") == 0) { 547 executionMode = kEMIntFast; 548 } 549 550 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 551 552 property_get("log.redirect-stdio", propBuf, ""); 553 if (strcmp(propBuf, "true") == 0) { 554 logStdio = true; 555 } 556 557 strcpy(enableAssertBuf, "-ea:"); 558 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 559 560 strcpy(jniOptsBuf, "-Xjniopts:"); 561 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 562 563 const char* rootDir = getenv("ANDROID_ROOT"); 564 if (rootDir == NULL) { 565 rootDir = "/system"; 566 if (!hasDir("/system")) { 567 LOG_FATAL("No root directory specified, and /android does not exist."); 568 return; 569 } 570 setenv("ANDROID_ROOT", rootDir, 1); 571 } 572 573 const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 574 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 575 576 /* route exit() to our handler */ 577 opt.extraInfo = (void*) runtime_exit; 578 opt.optionString = "exit"; 579 mOptions.add(opt); 580 581 /* route fprintf() to our handler */ 582 opt.extraInfo = (void*) runtime_vfprintf; 583 opt.optionString = "vfprintf"; 584 mOptions.add(opt); 585 586 opt.extraInfo = NULL; 587 588 /* enable verbose; standard options are { jni, gc, class } */ 589 //options[curOpt++].optionString = "-verbose:jni"; 590 opt.optionString = "-verbose:gc"; 591 mOptions.add(opt); 592 //options[curOpt++].optionString = "-verbose:class"; 593 594#ifdef CUSTOM_RUNTIME_HEAP_MAX 595#define __make_max_heap_opt(val) #val 596#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val) 597 opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX); 598#undef __make_max_heap_opt 599#undef _make_max_heap_opt 600#else 601 /* limit memory use to 16MB */ 602 opt.optionString = "-Xmx16m"; 603#endif 604 mOptions.add(opt); 605 606 /* 607 * Enable or disable dexopt features, such as bytecode verification and 608 * calculation of register maps for precise GC. 609 */ 610 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 611 if (dexoptFlagsBuf[0] != '\0') { 612 const char* opc; 613 const char* val; 614 615 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 616 if (opc != NULL) { 617 switch (*(opc+2)) { 618 case 'n': val = "-Xverify:none"; break; 619 case 'r': val = "-Xverify:remote"; break; 620 case 'a': val = "-Xverify:all"; break; 621 default: val = NULL; break; 622 } 623 624 if (val != NULL) { 625 opt.optionString = val; 626 mOptions.add(opt); 627 } 628 } 629 630 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 631 if (opc != NULL) { 632 switch (*(opc+2)) { 633 case 'n': val = "-Xdexopt:none"; break; 634 case 'v': val = "-Xdexopt:verified"; break; 635 case 'a': val = "-Xdexopt:all"; break; 636 default: val = NULL; break; 637 } 638 639 if (val != NULL) { 640 opt.optionString = val; 641 mOptions.add(opt); 642 } 643 } 644 645 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 646 if (opc != NULL) { 647 opt.optionString = "-Xgenregmap"; 648 mOptions.add(opt); 649 } 650 } 651 652 /* enable debugging; set suspend=y to pause during VM init */ 653#ifdef HAVE_ANDROID_OS 654 /* use android ADB transport */ 655 opt.optionString = 656 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 657#else 658 /* use TCP socket; address=0 means start at port 8000 and probe up */ 659 LOGI("Using TCP socket for JDWP\n"); 660 opt.optionString = 661 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 662#endif 663 mOptions.add(opt); 664 665 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 666 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 667 if (strlen(propBuf) > 0) { 668 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 669 strcat(enableDPBuf, propBuf); 670 opt.optionString = enableDPBuf; 671 mOptions.add(opt); 672 } 673 674 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 675 if (checkJni) { 676 /* extended JNI checking */ 677 opt.optionString = "-Xcheck:jni"; 678 mOptions.add(opt); 679 680 /* set a cap on JNI global references */ 681 opt.optionString = "-Xjnigreflimit:2000"; 682 mOptions.add(opt); 683 684 /* with -Xcheck:jni, this provides a JNI function call trace */ 685 //opt.optionString = "-verbose:jni"; 686 //mOptions.add(opt); 687 } 688 if (executionMode == kEMIntPortable) { 689 opt.optionString = "-Xint:portable"; 690 mOptions.add(opt); 691 } else if (executionMode == kEMIntFast) { 692 opt.optionString = "-Xint:fast"; 693 mOptions.add(opt); 694 } 695 if (logStdio) { 696 /* convert stdout/stderr to log messages */ 697 opt.optionString = "-Xlog-stdio"; 698 mOptions.add(opt); 699 } 700 701 if (enableAssertBuf[4] != '\0') { 702 /* accept "all" to mean "all classes and packages" */ 703 if (strcmp(enableAssertBuf+4, "all") == 0) 704 enableAssertBuf[3] = '\0'; 705 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 706 opt.optionString = enableAssertBuf; 707 mOptions.add(opt); 708 } else { 709 LOGV("Assertions disabled\n"); 710 } 711 712 if (jniOptsBuf[10] != '\0') { 713 LOGI("JNI options: '%s'\n", jniOptsBuf); 714 opt.optionString = jniOptsBuf; 715 mOptions.add(opt); 716 } 717 718 if (stackTraceFileBuf[0] != '\0') { 719 static const char* stfOptName = "-Xstacktracefile:"; 720 721 stackTraceFile = (char*) malloc(strlen(stfOptName) + 722 strlen(stackTraceFileBuf) +1); 723 strcpy(stackTraceFile, stfOptName); 724 strcat(stackTraceFile, stackTraceFileBuf); 725 opt.optionString = stackTraceFile; 726 mOptions.add(opt); 727 } 728 729 /* Set the properties for locale */ 730 { 731 char langOption[sizeof("-Duser.language=") + 3]; 732 char regionOption[sizeof("-Duser.region=") + 3]; 733 strcpy(langOption, "-Duser.language="); 734 strcpy(regionOption, "-Duser.region="); 735 readLocale(langOption, regionOption); 736 opt.extraInfo = NULL; 737 opt.optionString = langOption; 738 mOptions.add(opt); 739 opt.optionString = regionOption; 740 mOptions.add(opt); 741 } 742 743 /* 744 * We don't have /tmp on the device, but we often have an SD card. Apps 745 * shouldn't use this, but some test suites might want to exercise it. 746 */ 747 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 748 mOptions.add(opt); 749 750 initArgs.version = JNI_VERSION_1_4; 751 initArgs.options = mOptions.editArray(); 752 initArgs.nOptions = mOptions.size(); 753 initArgs.ignoreUnrecognized = JNI_FALSE; 754 755 /* 756 * Initialize the VM. 757 * 758 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 759 * If this call succeeds, the VM is ready, and we can start issuing 760 * JNI calls. 761 */ 762 if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) { 763 LOGE("JNI_CreateJavaVM failed\n"); 764 goto bail; 765 } 766 767 /* 768 * Register android functions. 769 */ 770 if (startReg(env) < 0) { 771 LOGE("Unable to register all android natives\n"); 772 goto bail; 773 } 774 775 /* 776 * We want to call main() with a String array with arguments in it. 777 * At present we only have one argument, the class name. Create an 778 * array to hold it. 779 */ 780 jclass stringClass; 781 jobjectArray strArray; 782 jstring classNameStr; 783 jstring startSystemServerStr; 784 785 stringClass = env->FindClass("java/lang/String"); 786 assert(stringClass != NULL); 787 strArray = env->NewObjectArray(2, stringClass, NULL); 788 assert(strArray != NULL); 789 classNameStr = env->NewStringUTF(className); 790 assert(classNameStr != NULL); 791 env->SetObjectArrayElement(strArray, 0, classNameStr); 792 startSystemServerStr = env->NewStringUTF(startSystemServer ? 793 "true" : "false"); 794 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 795 796 /* 797 * Start VM. This thread becomes the main thread of the VM, and will 798 * not return until the VM exits. 799 */ 800 jclass startClass; 801 jmethodID startMeth; 802 803 slashClassName = strdup(className); 804 for (cp = slashClassName; *cp != '\0'; cp++) 805 if (*cp == '.') 806 *cp = '/'; 807 808 startClass = env->FindClass(slashClassName); 809 if (startClass == NULL) { 810 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 811 /* keep going */ 812 } else { 813 startMeth = env->GetStaticMethodID(startClass, "main", 814 "([Ljava/lang/String;)V"); 815 if (startMeth == NULL) { 816 LOGE("JavaVM unable to find main() in '%s'\n", className); 817 /* keep going */ 818 } else { 819 env->CallStaticVoidMethod(startClass, startMeth, strArray); 820 821#if 0 822 if (env->ExceptionCheck()) 823 threadExitUncaughtException(env); 824#endif 825 } 826 } 827 828 LOGD("Shutting down VM\n"); 829 if (mJavaVM->DetachCurrentThread() != JNI_OK) 830 LOGW("Warning: unable to detach main thread\n"); 831 if (mJavaVM->DestroyJavaVM() != 0) 832 LOGW("Warning: VM did not shut down cleanly\n"); 833 834bail: 835 free(slashClassName); 836 free(stackTraceFile); 837} 838 839void AndroidRuntime::start() 840{ 841 start("com.android.internal.os.RuntimeInit", 842 false /* Don't start the system server */); 843} 844 845void AndroidRuntime::onExit(int code) 846{ 847 LOGI("AndroidRuntime onExit calling exit(%d)", code); 848 exit(code); 849} 850 851/* 852 * Get the JNIEnv pointer for this thread. 853 * 854 * Returns NULL if the slot wasn't allocated or populated. 855 */ 856/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 857{ 858 JNIEnv* env; 859 JavaVM* vm = AndroidRuntime::getJavaVM(); 860 assert(vm != NULL); 861 862 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 863 return NULL; 864 return env; 865} 866 867/* 868 * Makes the current thread visible to the VM. 869 * 870 * The JNIEnv pointer returned is only valid for the current thread, and 871 * thus must be tucked into thread-local storage. 872 */ 873static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 874{ 875 JavaVMAttachArgs args; 876 JavaVM* vm; 877 jint result; 878 879 vm = AndroidRuntime::getJavaVM(); 880 assert(vm != NULL); 881 882 args.version = JNI_VERSION_1_4; 883 args.name = (char*) threadName; 884 args.group = NULL; 885 886 result = vm->AttachCurrentThread(pEnv, (void*) &args); 887 if (result != JNI_OK) 888 LOGE("ERROR: thread attach failed\n"); 889 890 return result; 891} 892 893/* 894 * Detach the current thread from the set visible to the VM. 895 */ 896static int javaDetachThread(void) 897{ 898 JavaVM* vm; 899 jint result; 900 901 vm = AndroidRuntime::getJavaVM(); 902 assert(vm != NULL); 903 904 result = vm->DetachCurrentThread(); 905 if (result != JNI_OK) 906 LOGE("ERROR: thread detach failed\n"); 907 return result; 908} 909 910/* 911 * When starting a native thread that will be visible from the VM, we 912 * bounce through this to get the right attach/detach action. 913 * Note that this function calls free(args) 914 */ 915/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 916 void* start = ((void**)args)[0]; 917 void* userData = ((void **)args)[1]; 918 char* name = (char*) ((void **)args)[2]; // we own this storage 919 free(args); 920 JNIEnv* env; 921 int result; 922 923 /* hook us into the VM */ 924 if (javaAttachThread(name, &env) != JNI_OK) 925 return -1; 926 927 /* start the thread running */ 928 result = (*(android_thread_func_t)start)(userData); 929 930 /* unhook us */ 931 javaDetachThread(); 932 free(name); 933 934 return result; 935} 936 937/* 938 * This is invoked from androidCreateThreadEtc() via the callback 939 * set with androidSetCreateThreadFunc(). 940 * 941 * We need to create the new thread in such a way that it gets hooked 942 * into the VM before it really starts executing. 943 */ 944/*static*/ int AndroidRuntime::javaCreateThreadEtc( 945 android_thread_func_t entryFunction, 946 void* userData, 947 const char* threadName, 948 int32_t threadPriority, 949 size_t threadStackSize, 950 android_thread_id_t* threadId) 951{ 952 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 953 int result; 954 955 assert(threadName != NULL); 956 957 args[0] = (void*) entryFunction; 958 args[1] = userData; 959 args[2] = (void*) strdup(threadName); // javaThreadShell must free 960 961 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 962 threadName, threadPriority, threadStackSize, threadId); 963 return result; 964} 965 966/* 967 * Create a thread that is visible from the VM. 968 * 969 * This is called from elsewhere in the library. 970 */ 971/*static*/ void AndroidRuntime::createJavaThread(const char* name, 972 void (*start)(void *), void* arg) 973{ 974 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 975 ANDROID_PRIORITY_DEFAULT, 0, NULL); 976} 977 978#if 0 979static void quickTest(void* arg) 980{ 981 const char* str = (const char*) arg; 982 983 printf("In quickTest: %s\n", str); 984} 985#endif 986 987#ifdef NDEBUG 988 #define REG_JNI(name) { name } 989 struct RegJNIRec { 990 int (*mProc)(JNIEnv*); 991 }; 992#else 993 #define REG_JNI(name) { name, #name } 994 struct RegJNIRec { 995 int (*mProc)(JNIEnv*); 996 const char* mName; 997 }; 998#endif 999 1000typedef void (*RegJAMProc)(); 1001 1002static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1003{ 1004 for (size_t i = 0; i < count; i++) { 1005 if (array[i].mProc(env) < 0) { 1006#ifndef NDEBUG 1007 LOGD("----------!!! %s failed to load\n", array[i].mName); 1008#endif 1009 return -1; 1010 } 1011 } 1012 return 0; 1013} 1014 1015static void register_jam_procs(const RegJAMProc array[], size_t count) 1016{ 1017 for (size_t i = 0; i < count; i++) { 1018 array[i](); 1019 } 1020} 1021 1022static const RegJNIRec gRegJNI[] = { 1023 REG_JNI(register_android_debug_JNITest), 1024 REG_JNI(register_com_android_internal_os_RuntimeInit), 1025 REG_JNI(register_android_os_SystemClock), 1026 REG_JNI(register_android_util_EventLog), 1027 REG_JNI(register_android_util_Log), 1028 REG_JNI(register_android_util_FloatMath), 1029 REG_JNI(register_android_text_format_Time), 1030 REG_JNI(register_android_pim_EventRecurrence), 1031 REG_JNI(register_android_content_AssetManager), 1032 REG_JNI(register_android_content_StringBlock), 1033 REG_JNI(register_android_content_XmlBlock), 1034 REG_JNI(register_android_emoji_EmojiFactory), 1035 REG_JNI(register_android_security_Md5MessageDigest), 1036 REG_JNI(register_android_text_AndroidCharacter), 1037 REG_JNI(register_android_text_KeyCharacterMap), 1038 REG_JNI(register_android_os_Process), 1039 REG_JNI(register_android_os_Binder), 1040 REG_JNI(register_android_os_Hardware), 1041 REG_JNI(register_android_view_Display), 1042 REG_JNI(register_android_nio_utils), 1043 REG_JNI(register_android_graphics_PixelFormat), 1044 REG_JNI(register_android_graphics_Graphics), 1045 REG_JNI(register_android_view_Surface), 1046 REG_JNI(register_android_view_ViewRoot), 1047 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1048 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1049 REG_JNI(register_android_opengl_jni_GLES10), 1050 REG_JNI(register_android_opengl_jni_GLES10Ext), 1051 REG_JNI(register_android_opengl_jni_GLES11), 1052 REG_JNI(register_android_opengl_jni_GLES11Ext), 1053 1054 REG_JNI(register_android_graphics_Bitmap), 1055 REG_JNI(register_android_graphics_BitmapFactory), 1056 REG_JNI(register_android_graphics_Camera), 1057 REG_JNI(register_android_graphics_Canvas), 1058 REG_JNI(register_android_graphics_ColorFilter), 1059 REG_JNI(register_android_graphics_DrawFilter), 1060 REG_JNI(register_android_graphics_Interpolator), 1061 REG_JNI(register_android_graphics_LayerRasterizer), 1062 REG_JNI(register_android_graphics_MaskFilter), 1063 REG_JNI(register_android_graphics_Matrix), 1064 REG_JNI(register_android_graphics_Movie), 1065 REG_JNI(register_android_graphics_NinePatch), 1066 REG_JNI(register_android_graphics_Paint), 1067 REG_JNI(register_android_graphics_Path), 1068 REG_JNI(register_android_graphics_PathMeasure), 1069 REG_JNI(register_android_graphics_PathEffect), 1070 REG_JNI(register_android_graphics_Picture), 1071 REG_JNI(register_android_graphics_PorterDuff), 1072 REG_JNI(register_android_graphics_Rasterizer), 1073 REG_JNI(register_android_graphics_Region), 1074 REG_JNI(register_android_graphics_Shader), 1075 REG_JNI(register_android_graphics_Typeface), 1076 REG_JNI(register_android_graphics_Xfermode), 1077 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1078 1079 REG_JNI(register_android_database_CursorWindow), 1080 REG_JNI(register_android_database_SQLiteDatabase), 1081 REG_JNI(register_android_database_SQLiteDebug), 1082 REG_JNI(register_android_database_SQLiteProgram), 1083 REG_JNI(register_android_database_SQLiteQuery), 1084 REG_JNI(register_android_database_SQLiteStatement), 1085 REG_JNI(register_android_os_Debug), 1086 REG_JNI(register_android_os_Exec), 1087 REG_JNI(register_android_os_FileObserver), 1088 REG_JNI(register_android_os_FileUtils), 1089 REG_JNI(register_android_os_ParcelFileDescriptor), 1090 REG_JNI(register_android_os_Power), 1091 REG_JNI(register_android_os_StatFs), 1092 REG_JNI(register_android_os_SystemProperties), 1093 REG_JNI(register_android_os_UEventObserver), 1094 REG_JNI(register_android_net_LocalSocketImpl), 1095 REG_JNI(register_android_net_NetworkUtils), 1096 REG_JNI(register_android_net_wifi_WifiManager), 1097 REG_JNI(register_android_os_MemoryFile), 1098 REG_JNI(register_com_android_internal_os_ZygoteInit), 1099 REG_JNI(register_android_hardware_Camera), 1100 REG_JNI(register_android_hardware_SensorManager), 1101 REG_JNI(register_android_media_AudioRecord), 1102 REG_JNI(register_android_media_AudioSystem), 1103 REG_JNI(register_android_media_AudioTrack), 1104 REG_JNI(register_android_media_JetPlayer), 1105 REG_JNI(register_android_media_ToneGenerator), 1106 1107 REG_JNI(register_android_opengl_classes), 1108 REG_JNI(register_android_bluetooth_Database), 1109 REG_JNI(register_android_bluetooth_HeadsetBase), 1110 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1111 REG_JNI(register_android_bluetooth_RfcommSocket), 1112 REG_JNI(register_android_bluetooth_ScoSocket), 1113 REG_JNI(register_android_server_BluetoothDeviceService), 1114 REG_JNI(register_android_server_BluetoothEventLoop), 1115 REG_JNI(register_android_server_BluetoothA2dpService), 1116 REG_JNI(register_android_message_digest_sha1), 1117 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1118 REG_JNI(register_android_util_Base64), 1119 REG_JNI(register_android_location_GpsLocationProvider), 1120}; 1121 1122/* 1123 * Register android native functions with the VM. 1124 */ 1125/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1126{ 1127 /* 1128 * This hook causes all future threads created in this process to be 1129 * attached to the JavaVM. (This needs to go away in favor of JNI 1130 * Attach calls.) 1131 */ 1132 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1133 1134 LOGD("--- registering native functions ---\n"); 1135 1136 /* 1137 * Every "register" function calls one or more things that return 1138 * a local reference (e.g. FindClass). Because we haven't really 1139 * started the VM yet, they're all getting stored in the base frame 1140 * and never released. Use Push/Pop to manage the storage. 1141 */ 1142 env->PushLocalFrame(200); 1143 1144 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1145 env->PopLocalFrame(NULL); 1146 return -1; 1147 } 1148 env->PopLocalFrame(NULL); 1149 1150 //createJavaThread("fubar", quickTest, (void*) "hello"); 1151 1152 return 0; 1153} 1154 1155AndroidRuntime* AndroidRuntime::getRuntime() 1156{ 1157 return gCurRuntime; 1158} 1159 1160/** 1161 * Used by WithFramework to register native functions. 1162 */ 1163extern "C" 1164jint Java_com_android_internal_util_WithFramework_registerNatives( 1165 JNIEnv* env, jclass clazz) { 1166 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1167} 1168 1169/** 1170 * Used by LoadClass to register native functions. 1171 */ 1172extern "C" 1173jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1174 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1175} 1176 1177} // namespace android 1178