AndroidRuntime.cpp revision b798689749c64baba81f02e10cf2157c747d6b46
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); 69 70extern int register_android_hardware_Camera(JNIEnv *env); 71 72extern int register_android_hardware_SensorManager(JNIEnv *env); 73 74extern int register_android_media_AudioRecord(JNIEnv *env); 75extern int register_android_media_AudioSystem(JNIEnv *env); 76extern int register_android_media_AudioTrack(JNIEnv *env); 77extern int register_android_media_JetPlayer(JNIEnv *env); 78extern int register_android_media_ToneGenerator(JNIEnv *env); 79 80extern int register_android_message_digest_sha1(JNIEnv *env); 81 82extern int register_android_util_FloatMath(JNIEnv* env); 83 84namespace android { 85 86/* 87 * JNI-based registration functions. Note these are properly contained in 88 * namespace android. 89 */ 90extern int register_android_content_AssetManager(JNIEnv* env); 91extern int register_android_util_EventLog(JNIEnv* env); 92extern int register_android_util_Log(JNIEnv* env); 93extern int register_android_content_StringBlock(JNIEnv* env); 94extern int register_android_content_XmlBlock(JNIEnv* env); 95extern int register_android_graphics_Canvas(JNIEnv* env); 96extern int register_android_graphics_ColorFilter(JNIEnv* env); 97extern int register_android_graphics_DrawFilter(JNIEnv* env); 98extern int register_android_graphics_Matrix(JNIEnv* env); 99extern int register_android_graphics_Paint(JNIEnv* env); 100extern int register_android_graphics_Path(JNIEnv* env); 101extern int register_android_graphics_PathMeasure(JNIEnv* env); 102extern int register_android_graphics_Picture(JNIEnv*); 103extern int register_android_graphics_PorterDuff(JNIEnv* env); 104extern int register_android_graphics_Rasterizer(JNIEnv* env); 105extern int register_android_graphics_Xfermode(JNIEnv* env); 106extern int register_android_graphics_PixelFormat(JNIEnv* env); 107extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 108extern int register_android_view_Display(JNIEnv* env); 109extern int register_android_view_Surface(JNIEnv* env); 110extern int register_android_view_ViewRoot(JNIEnv* env); 111extern int register_android_database_CursorWindow(JNIEnv* env); 112extern int register_android_database_SQLiteDatabase(JNIEnv* env); 113extern int register_android_database_SQLiteDebug(JNIEnv* env); 114extern int register_android_database_SQLiteProgram(JNIEnv* env); 115extern int register_android_database_SQLiteQuery(JNIEnv* env); 116extern int register_android_database_SQLiteStatement(JNIEnv* env); 117extern int register_android_debug_JNITest(JNIEnv* env); 118extern int register_android_nio_utils(JNIEnv* env); 119extern int register_android_pim_EventRecurrence(JNIEnv* env); 120extern int register_android_text_format_Time(JNIEnv* env); 121extern int register_android_os_Debug(JNIEnv* env); 122extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 123extern int register_android_os_Power(JNIEnv *env); 124extern int register_android_os_StatFs(JNIEnv *env); 125extern int register_android_os_SystemProperties(JNIEnv *env); 126extern int register_android_os_Hardware(JNIEnv* env); 127extern int register_android_os_Exec(JNIEnv *env); 128extern int register_android_os_SystemClock(JNIEnv* env); 129extern int register_android_os_FileObserver(JNIEnv *env); 130extern int register_android_os_FileUtils(JNIEnv *env); 131extern int register_android_os_UEventObserver(JNIEnv* env); 132extern int register_android_os_NetStat(JNIEnv* env); 133extern int register_android_os_MemoryFile(JNIEnv* env); 134extern int register_android_net_LocalSocketImpl(JNIEnv* env); 135extern int register_android_net_NetworkUtils(JNIEnv* env); 136extern int register_android_net_wifi_WifiManager(JNIEnv* env); 137extern int register_android_security_Md5MessageDigest(JNIEnv *env); 138extern int register_android_text_AndroidCharacter(JNIEnv *env); 139extern int register_android_text_KeyCharacterMap(JNIEnv *env); 140extern int register_android_opengl_classes(JNIEnv *env); 141extern int register_android_bluetooth_Database(JNIEnv* env); 142extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 143extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 144extern int register_android_bluetooth_RfcommSocket(JNIEnv *env); 145extern int register_android_bluetooth_ScoSocket(JNIEnv *env); 146extern int register_android_server_BluetoothDeviceService(JNIEnv* env); 147extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 148extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 149extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 150extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 151extern int register_android_util_Base64(JNIEnv* env); 152extern int register_android_location_GpsLocationProvider(JNIEnv* env); 153 154static AndroidRuntime* gCurRuntime = NULL; 155 156static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 157{ 158 if (jniThrowException(env, exc, msg) != 0) 159 assert(false); 160} 161 162/* 163 * Code written in the Java Programming Language calls here from main(). 164 */ 165static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 166{ 167 gCurRuntime->onStarted(); 168} 169 170static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 171{ 172 gCurRuntime->onZygoteInit(); 173} 174 175static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 176{ 177 return 1; 178} 179 180static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 181{ 182} 183 184static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 185{ 186 char* value = getenv("qwerty"); 187 if (value != NULL && strcmp(value, "true") == 0) { 188 return 1; 189 } 190 191 return 0; 192} 193 194/* 195 * JNI registration. 196 */ 197static JNINativeMethod gMethods[] = { 198 { "finishInit", "()V", 199 (void*) com_android_internal_os_RuntimeInit_finishInit }, 200 { "zygoteInitNative", "()V", 201 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 202 { "isComputerOn", "()I", 203 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 204 { "turnComputerOn", "()V", 205 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 206 { "getQwertyKeyboard", "()I", 207 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 208}; 209 210int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 211{ 212 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 213 gMethods, NELEM(gMethods)); 214} 215 216// ---------------------------------------------------------------------- 217 218/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 219 220 221AndroidRuntime::AndroidRuntime() 222{ 223 SkGraphics::Init(false); // true means run unittests (slow) 224 // this sets our preference for 16bit images during decode 225 // in case the src is opaque and 24bit 226 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 227 228 // Pre-allocate enough space to hold a fair number of options. 229 mOptions.setCapacity(20); 230 231 assert(gCurRuntime == NULL); // one per process 232 gCurRuntime = this; 233} 234 235AndroidRuntime::~AndroidRuntime() 236{ 237 SkGraphics::Term(); 238} 239 240/* 241 * Register native methods using JNI. 242 */ 243/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 244 const char* className, const JNINativeMethod* gMethods, int numMethods) 245{ 246 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 247} 248 249/* 250 * Call a static Java Programming Language function that takes no arguments and returns void. 251 */ 252status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 253{ 254 JNIEnv* env; 255 jclass clazz; 256 jmethodID methodId; 257 258 env = getJNIEnv(); 259 if (env == NULL) 260 return UNKNOWN_ERROR; 261 262 clazz = findClass(env, className); 263 if (clazz == NULL) { 264 LOGE("ERROR: could not find class '%s'\n", className); 265 return UNKNOWN_ERROR; 266 } 267 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 268 if (methodId == NULL) { 269 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 270 return UNKNOWN_ERROR; 271 } 272 273 env->CallStaticVoidMethod(clazz, methodId); 274 275 return NO_ERROR; 276} 277 278status_t AndroidRuntime::callMain( 279 const char* className, int argc, const char* const argv[]) 280{ 281 JNIEnv* env; 282 jclass clazz; 283 jmethodID methodId; 284 285 env = getJNIEnv(); 286 if (env == NULL) 287 return UNKNOWN_ERROR; 288 289 clazz = findClass(env, className); 290 if (clazz == NULL) { 291 LOGE("ERROR: could not find class '%s'\n", className); 292 return UNKNOWN_ERROR; 293 } 294 295 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 296 if (methodId == NULL) { 297 LOGE("ERROR: could not find method %s.main(String[])\n", className); 298 return UNKNOWN_ERROR; 299 } 300 301 /* 302 * We want to call main() with a String array with our arguments in it. 303 * Create an array and populate it. 304 */ 305 jclass stringClass; 306 jobjectArray strArray; 307 308 stringClass = env->FindClass("java/lang/String"); 309 strArray = env->NewObjectArray(argc, stringClass, NULL); 310 311 for (int i = 0; i < argc; i++) { 312 jstring argStr = env->NewStringUTF(argv[i]); 313 env->SetObjectArrayElement(strArray, i, argStr); 314 } 315 316 env->CallStaticVoidMethod(clazz, methodId, strArray); 317 return NO_ERROR; 318} 319 320/* 321 * Find the named class. 322 */ 323jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 324{ 325 char* convName = NULL; 326 327 if (env->ExceptionCheck()) { 328 LOGE("ERROR: exception pending on entry to findClass()\n"); 329 return NULL; 330 } 331 332 /* 333 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 334 * uses the dotted "binary name" format. We don't need to convert the 335 * name with the new approach. 336 */ 337#if 0 338 /* (convName only created if necessary -- use className) */ 339 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 340 if (*cp == '.') { 341 if (convName == NULL) { 342 convName = strdup(className); 343 cp = convName + (cp-className); 344 className = convName; 345 } 346 *cp = '/'; 347 } 348 } 349#endif 350 351 /* 352 * This is a little awkward because the JNI FindClass call uses the 353 * class loader associated with the native method we're executing in. 354 * Because this native method is part of a "boot" class, JNI doesn't 355 * look for the class in CLASSPATH, which unfortunately is a likely 356 * location for it. (Had we issued the FindClass call before calling 357 * into the VM -- at which point there isn't a native method frame on 358 * the stack -- the VM would have checked CLASSPATH. We have to do 359 * this because we call into Java Programming Language code and 360 * bounce back out.) 361 * 362 * JNI lacks a "find class in a specific class loader" operation, so we 363 * have to do things the hard way. 364 */ 365 jclass cls = NULL; 366 //cls = env->FindClass(className); 367 368 jclass javaLangClassLoader; 369 jmethodID getSystemClassLoader, loadClass; 370 jobject systemClassLoader; 371 jstring strClassName; 372 373 /* find the "system" class loader; none of this is expected to fail */ 374 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 375 assert(javaLangClassLoader != NULL); 376 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 377 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 378 loadClass = env->GetMethodID(javaLangClassLoader, 379 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 380 assert(getSystemClassLoader != NULL && loadClass != NULL); 381 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 382 getSystemClassLoader); 383 assert(systemClassLoader != NULL); 384 385 /* create an object for the class name string; alloc could fail */ 386 strClassName = env->NewStringUTF(className); 387 if (env->ExceptionCheck()) { 388 LOGE("ERROR: unable to convert '%s' to string\n", className); 389 goto bail; 390 } 391 LOGV("system class loader is %p, loading %p (%s)\n", 392 systemClassLoader, strClassName, className); 393 394 /* try to find the named class */ 395 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 396 strClassName); 397 if (env->ExceptionCheck()) { 398 LOGE("ERROR: unable to load class '%s' from %p\n", 399 className, systemClassLoader); 400 cls = NULL; 401 goto bail; 402 } 403 404bail: 405 free(convName); 406 return cls; 407} 408 409/* 410 * The VM calls this through the "exit" hook. 411 */ 412static void runtime_exit(int code) 413{ 414 gCurRuntime->onExit(code); 415 exit(code); 416} 417 418/* 419 * The VM calls this through the "vfprintf" hook. 420 * 421 * We ignore "fp" and just write the results to the log file. 422 */ 423static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 424{ 425 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 426} 427 428 429/** 430 * Add VM arguments to the to-be-executed VM 431 * Stops at first non '-' argument (also stops at an argument of '--') 432 * Returns the number of args consumed 433 */ 434int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 435{ 436 int i; 437 438 for (i = 0; i<argc; i++) { 439 if (argv[i][0] != '-') { 440 return i; 441 } 442 if (argv[i][1] == '-' && argv[i][2] == 0) { 443 return i+1; 444 } 445 446 JavaVMOption opt; 447 memset(&opt, 0, sizeof(opt)); 448 opt.optionString = (char*)argv[i]; 449 mOptions.add(opt); 450 } 451 return i; 452} 453 454static int hasDir(const char* dir) 455{ 456 struct stat s; 457 int res = stat(dir, &s); 458 if (res == 0) { 459 return S_ISDIR(s.st_mode); 460 } 461 return 0; 462} 463 464/* 465 * We just want failed write() calls to just return with an error. 466 */ 467static void blockSigpipe() 468{ 469 sigset_t mask; 470 471 sigemptyset(&mask); 472 sigaddset(&mask, SIGPIPE); 473 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 474 LOGW("WARNING: SIGPIPE not blocked\n"); 475} 476 477/* 478 * Read the persistent locale. 479 */ 480static void readLocale(char* language, char* region) 481{ 482 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 483 484 property_get("persist.sys.language", propLang, ""); 485 property_get("persist.sys.country", propRegn, ""); 486 if (*propLang == 0 && *propRegn == 0) { 487 /* Set to ro properties, default is en_US */ 488 property_get("ro.product.locale.language", propLang, "en"); 489 property_get("ro.product.locale.region", propRegn, "US"); 490 } 491 strncat(language, propLang, 2); 492 strncat(region, propRegn, 2); 493 //LOGD("language=%s region=%s\n", language, region); 494} 495 496void AndroidRuntime::start(const char* className, const bool startSystemServer) 497{ 498 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 499 500 JNIEnv* env; 501 JavaVMInitArgs initArgs; 502 JavaVMOption opt; 503 char propBuf[PROPERTY_VALUE_MAX]; 504 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 505 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 506 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 507 char* stackTraceFile = NULL; 508 char* slashClassName = NULL; 509 char* cp; 510 bool checkJni = false; 511 bool logStdio = false; 512 bool verifyJava = true; 513 enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault; 514 515 blockSigpipe(); 516 517 /* 518 * 'startSystemServer == true' means runtime is obslete and not run from 519 * init.rc anymore, so we print out the boot start event here. 520 */ 521 if (startSystemServer) { 522 /* track our progress through the boot sequence */ 523 const int LOG_BOOT_PROGRESS_START = 3000; 524 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 525 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 526 } 527 528 property_get("dalvik.vm.checkjni", propBuf, ""); 529 if (strcmp(propBuf, "true") == 0) { 530 checkJni = true; 531 } else if (strcmp(propBuf, "false") != 0) { 532 /* property is neither true nor false; fall back on kernel parameter */ 533 property_get("ro.kernel.android.checkjni", propBuf, ""); 534 if (propBuf[0] == '1') { 535 checkJni = true; 536 } 537 } 538 539 property_get("dalvik.vm.verify-bytecode", propBuf, ""); 540 if (strcmp(propBuf, "true") == 0) { 541 verifyJava = true; 542 } else if (strcmp(propBuf, "false") == 0) { 543 verifyJava = false; 544 } else { 545 /* bad value or not defined; use default */ 546 } 547 548 property_get("dalvik.vm.execution-mode", propBuf, ""); 549 if (strcmp(propBuf, "int:portable") == 0) { 550 executionMode = kEMIntPortable; 551 } else if (strcmp(propBuf, "int:fast") == 0) { 552 executionMode = kEMIntFast; 553 } 554 555 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 556 557 property_get("log.redirect-stdio", propBuf, ""); 558 if (strcmp(propBuf, "true") == 0) { 559 logStdio = true; 560 } 561 562 strcpy(enableAssertBuf, "-ea:"); 563 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 564 565 strcpy(jniOptsBuf, "-Xjniopts:"); 566 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 567 568 const char* rootDir = getenv("ANDROID_ROOT"); 569 if (rootDir == NULL) { 570 rootDir = "/system"; 571 if (!hasDir("/system")) { 572 LOG_FATAL("No root directory specified, and /android does not exist."); 573 return; 574 } 575 setenv("ANDROID_ROOT", rootDir, 1); 576 } 577 578 const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 579 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 580 581 /* route exit() to our handler */ 582 opt.extraInfo = (void*) runtime_exit; 583 opt.optionString = "exit"; 584 mOptions.add(opt); 585 586 /* route fprintf() to our handler */ 587 opt.extraInfo = (void*) runtime_vfprintf; 588 opt.optionString = "vfprintf"; 589 mOptions.add(opt); 590 591 opt.extraInfo = NULL; 592 593 /* enable verbose; standard options are { jni, gc, class } */ 594 //options[curOpt++].optionString = "-verbose:jni"; 595 opt.optionString = "-verbose:gc"; 596 mOptions.add(opt); 597 //options[curOpt++].optionString = "-verbose:class"; 598 599#ifdef CUSTOM_RUNTIME_HEAP_MAX 600#define __make_max_heap_opt(val) #val 601#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val) 602 opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX); 603#undef __make_max_heap_opt 604#undef _make_max_heap_opt 605#else 606 /* limit memory use to 16MB */ 607 opt.optionString = "-Xmx16m"; 608#endif 609 mOptions.add(opt); 610 611 /* 612 * Enable or disable bytecode verification. 613 * 614 * We don't optimize classes that haven't been verified, but that only 615 * matters if we do "just-in-time" DEX optimization. 616 */ 617 if (verifyJava) { 618 opt.optionString = "-Xverify:all"; 619 mOptions.add(opt); 620 opt.optionString = "-Xdexopt:verified"; 621 mOptions.add(opt); 622 } else { 623 opt.optionString = "-Xverify:none"; 624 mOptions.add(opt); 625 opt.optionString = "-Xdexopt:verified"; 626 mOptions.add(opt); 627 } 628 629 /* enable debugging; set suspend=y to pause during VM init */ 630#ifdef HAVE_ANDROID_OS 631 /* use android ADB transport */ 632 opt.optionString = 633 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 634#else 635 /* use TCP socket; address=0 means start at port 8000 and probe up */ 636 LOGI("Using TCP socket for JDWP\n"); 637 opt.optionString = 638 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 639#endif 640 mOptions.add(opt); 641 642 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 643 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 644 if (strlen(propBuf) > 0) { 645 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 646 strcat(enableDPBuf, propBuf); 647 opt.optionString = enableDPBuf; 648 mOptions.add(opt); 649 } 650 651 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 652 if (checkJni) { 653 /* extended JNI checking */ 654 opt.optionString = "-Xcheck:jni"; 655 mOptions.add(opt); 656 657 /* set a cap on JNI global references */ 658 opt.optionString = "-Xjnigreflimit:2000"; 659 mOptions.add(opt); 660 661 /* with -Xcheck:jni, this provides a JNI function call trace */ 662 //opt.optionString = "-verbose:jni"; 663 //mOptions.add(opt); 664 } 665 if (executionMode == kEMIntPortable) { 666 opt.optionString = "-Xint:portable"; 667 mOptions.add(opt); 668 } else if (executionMode == kEMIntFast) { 669 opt.optionString = "-Xint:fast"; 670 mOptions.add(opt); 671 } 672 if (logStdio) { 673 /* convert stdout/stderr to log messages */ 674 opt.optionString = "-Xlog-stdio"; 675 mOptions.add(opt); 676 } 677 678 if (enableAssertBuf[4] != '\0') { 679 /* accept "all" to mean "all classes and packages" */ 680 if (strcmp(enableAssertBuf+4, "all") == 0) 681 enableAssertBuf[3] = '\0'; 682 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 683 opt.optionString = enableAssertBuf; 684 mOptions.add(opt); 685 } else { 686 LOGV("Assertions disabled\n"); 687 } 688 689 if (jniOptsBuf[10] != '\0') { 690 LOGI("JNI options: '%s'\n", jniOptsBuf); 691 opt.optionString = jniOptsBuf; 692 mOptions.add(opt); 693 } 694 695 if (stackTraceFileBuf[0] != '\0') { 696 static const char* stfOptName = "-Xstacktracefile:"; 697 698 stackTraceFile = (char*) malloc(strlen(stfOptName) + 699 strlen(stackTraceFileBuf) +1); 700 strcpy(stackTraceFile, stfOptName); 701 strcat(stackTraceFile, stackTraceFileBuf); 702 opt.optionString = stackTraceFile; 703 mOptions.add(opt); 704 } 705 706 /* Set the properties for locale */ 707 { 708 char langOption[sizeof("-Duser.language=") + 3]; 709 char regionOption[sizeof("-Duser.region=") + 3]; 710 strcpy(langOption, "-Duser.language="); 711 strcpy(regionOption, "-Duser.region="); 712 readLocale(langOption, regionOption); 713 opt.extraInfo = NULL; 714 opt.optionString = langOption; 715 mOptions.add(opt); 716 opt.optionString = regionOption; 717 mOptions.add(opt); 718 } 719 720 /* 721 * We don't have /tmp on the device, but we often have an SD card. Apps 722 * shouldn't use this, but some test suites might want to exercise it. 723 */ 724 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 725 mOptions.add(opt); 726 727 initArgs.version = JNI_VERSION_1_4; 728 initArgs.options = mOptions.editArray(); 729 initArgs.nOptions = mOptions.size(); 730 initArgs.ignoreUnrecognized = JNI_FALSE; 731 732 /* 733 * Initialize the VM. 734 * 735 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 736 * If this call succeeds, the VM is ready, and we can start issuing 737 * JNI calls. 738 */ 739 if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) { 740 LOGE("JNI_CreateJavaVM failed\n"); 741 goto bail; 742 } 743 744 /* 745 * Register android functions. 746 */ 747 if (startReg(env) < 0) { 748 LOGE("Unable to register all android natives\n"); 749 goto bail; 750 } 751 752 /* 753 * We want to call main() with a String array with arguments in it. 754 * At present we only have one argument, the class name. Create an 755 * array to hold it. 756 */ 757 jclass stringClass; 758 jobjectArray strArray; 759 jstring classNameStr; 760 jstring startSystemServerStr; 761 762 stringClass = env->FindClass("java/lang/String"); 763 assert(stringClass != NULL); 764 strArray = env->NewObjectArray(2, stringClass, NULL); 765 assert(strArray != NULL); 766 classNameStr = env->NewStringUTF(className); 767 assert(classNameStr != NULL); 768 env->SetObjectArrayElement(strArray, 0, classNameStr); 769 startSystemServerStr = env->NewStringUTF(startSystemServer ? 770 "true" : "false"); 771 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 772 773 /* 774 * Start VM. This thread becomes the main thread of the VM, and will 775 * not return until the VM exits. 776 */ 777 jclass startClass; 778 jmethodID startMeth; 779 780 slashClassName = strdup(className); 781 for (cp = slashClassName; *cp != '\0'; cp++) 782 if (*cp == '.') 783 *cp = '/'; 784 785 startClass = env->FindClass(slashClassName); 786 if (startClass == NULL) { 787 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 788 /* keep going */ 789 } else { 790 startMeth = env->GetStaticMethodID(startClass, "main", 791 "([Ljava/lang/String;)V"); 792 if (startMeth == NULL) { 793 LOGE("JavaVM unable to find main() in '%s'\n", className); 794 /* keep going */ 795 } else { 796 env->CallStaticVoidMethod(startClass, startMeth, strArray); 797 798#if 0 799 if (env->ExceptionCheck()) 800 threadExitUncaughtException(env); 801#endif 802 } 803 } 804 805 LOGD("Shutting down VM\n"); 806 if (mJavaVM->DetachCurrentThread() != JNI_OK) 807 LOGW("Warning: unable to detach main thread\n"); 808 if (mJavaVM->DestroyJavaVM() != 0) 809 LOGW("Warning: VM did not shut down cleanly\n"); 810 811bail: 812 free(slashClassName); 813 free(stackTraceFile); 814} 815 816void AndroidRuntime::start() 817{ 818 start("com.android.internal.os.RuntimeInit", 819 false /* Don't start the system server */); 820} 821 822void AndroidRuntime::onExit(int code) 823{ 824 LOGI("AndroidRuntime onExit calling exit(%d)", code); 825 exit(code); 826} 827 828/* 829 * Get the JNIEnv pointer for this thread. 830 * 831 * Returns NULL if the slot wasn't allocated or populated. 832 */ 833/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 834{ 835 JNIEnv* env; 836 JavaVM* vm = AndroidRuntime::getJavaVM(); 837 assert(vm != NULL); 838 839 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 840 return NULL; 841 return env; 842} 843 844/* 845 * Makes the current thread visible to the VM. 846 * 847 * The JNIEnv pointer returned is only valid for the current thread, and 848 * thus must be tucked into thread-local storage. 849 */ 850static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 851{ 852 JavaVMAttachArgs args; 853 JavaVM* vm; 854 jint result; 855 856 vm = AndroidRuntime::getJavaVM(); 857 assert(vm != NULL); 858 859 args.version = JNI_VERSION_1_4; 860 args.name = (char*) threadName; 861 args.group = NULL; 862 863 result = vm->AttachCurrentThread(pEnv, (void*) &args); 864 if (result != JNI_OK) 865 LOGE("ERROR: thread attach failed\n"); 866 867 return result; 868} 869 870/* 871 * Detach the current thread from the set visible to the VM. 872 */ 873static int javaDetachThread(void) 874{ 875 JavaVM* vm; 876 jint result; 877 878 vm = AndroidRuntime::getJavaVM(); 879 assert(vm != NULL); 880 881 result = vm->DetachCurrentThread(); 882 if (result != JNI_OK) 883 LOGE("ERROR: thread detach failed\n"); 884 return result; 885} 886 887/* 888 * When starting a native thread that will be visible from the VM, we 889 * bounce through this to get the right attach/detach action. 890 * Note that this function calls free(args) 891 */ 892/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 893 void* start = ((void**)args)[0]; 894 void* userData = ((void **)args)[1]; 895 char* name = (char*) ((void **)args)[2]; // we own this storage 896 free(args); 897 JNIEnv* env; 898 int result; 899 900 /* hook us into the VM */ 901 if (javaAttachThread(name, &env) != JNI_OK) 902 return -1; 903 904 /* start the thread running */ 905 result = (*(android_thread_func_t)start)(userData); 906 907 /* unhook us */ 908 javaDetachThread(); 909 free(name); 910 911 return result; 912} 913 914/* 915 * This is invoked from androidCreateThreadEtc() via the callback 916 * set with androidSetCreateThreadFunc(). 917 * 918 * We need to create the new thread in such a way that it gets hooked 919 * into the VM before it really starts executing. 920 */ 921/*static*/ int AndroidRuntime::javaCreateThreadEtc( 922 android_thread_func_t entryFunction, 923 void* userData, 924 const char* threadName, 925 int32_t threadPriority, 926 size_t threadStackSize, 927 android_thread_id_t* threadId) 928{ 929 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 930 int result; 931 932 assert(threadName != NULL); 933 934 args[0] = (void*) entryFunction; 935 args[1] = userData; 936 args[2] = (void*) strdup(threadName); // javaThreadShell must free 937 938 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 939 threadName, threadPriority, threadStackSize, threadId); 940 return result; 941} 942 943/* 944 * Create a thread that is visible from the VM. 945 * 946 * This is called from elsewhere in the library. 947 */ 948/*static*/ void AndroidRuntime::createJavaThread(const char* name, 949 void (*start)(void *), void* arg) 950{ 951 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 952 ANDROID_PRIORITY_DEFAULT, 0, NULL); 953} 954 955#if 0 956static void quickTest(void* arg) 957{ 958 const char* str = (const char*) arg; 959 960 printf("In quickTest: %s\n", str); 961} 962#endif 963 964#ifdef NDEBUG 965 #define REG_JNI(name) { name } 966 struct RegJNIRec { 967 int (*mProc)(JNIEnv*); 968 }; 969#else 970 #define REG_JNI(name) { name, #name } 971 struct RegJNIRec { 972 int (*mProc)(JNIEnv*); 973 const char* mName; 974 }; 975#endif 976 977typedef void (*RegJAMProc)(); 978 979static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 980{ 981 for (size_t i = 0; i < count; i++) { 982 if (array[i].mProc(env) < 0) { 983#ifndef NDEBUG 984 LOGD("----------!!! %s failed to load\n", array[i].mName); 985#endif 986 return -1; 987 } 988 } 989 return 0; 990} 991 992static void register_jam_procs(const RegJAMProc array[], size_t count) 993{ 994 for (size_t i = 0; i < count; i++) { 995 array[i](); 996 } 997} 998 999static const RegJNIRec gRegJNI[] = { 1000 REG_JNI(register_android_debug_JNITest), 1001 REG_JNI(register_com_android_internal_os_RuntimeInit), 1002 REG_JNI(register_android_os_SystemClock), 1003 REG_JNI(register_android_util_EventLog), 1004 REG_JNI(register_android_util_Log), 1005 REG_JNI(register_android_util_FloatMath), 1006 REG_JNI(register_android_text_format_Time), 1007 REG_JNI(register_android_pim_EventRecurrence), 1008 REG_JNI(register_android_content_AssetManager), 1009 REG_JNI(register_android_content_StringBlock), 1010 REG_JNI(register_android_content_XmlBlock), 1011 REG_JNI(register_android_security_Md5MessageDigest), 1012 REG_JNI(register_android_text_AndroidCharacter), 1013 REG_JNI(register_android_text_KeyCharacterMap), 1014 REG_JNI(register_android_os_Process), 1015 REG_JNI(register_android_os_Binder), 1016 REG_JNI(register_android_os_Hardware), 1017 REG_JNI(register_android_view_Display), 1018 REG_JNI(register_android_nio_utils), 1019 REG_JNI(register_android_graphics_PixelFormat), 1020 REG_JNI(register_android_graphics_Graphics), 1021 REG_JNI(register_android_view_Surface), 1022 REG_JNI(register_android_view_ViewRoot), 1023 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1024 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1025 1026 REG_JNI(register_android_graphics_Bitmap), 1027 REG_JNI(register_android_graphics_BitmapFactory), 1028 REG_JNI(register_android_graphics_Camera), 1029 REG_JNI(register_android_graphics_Canvas), 1030 REG_JNI(register_android_graphics_ColorFilter), 1031 REG_JNI(register_android_graphics_DrawFilter), 1032 REG_JNI(register_android_graphics_Interpolator), 1033 REG_JNI(register_android_graphics_LayerRasterizer), 1034 REG_JNI(register_android_graphics_MaskFilter), 1035 REG_JNI(register_android_graphics_Matrix), 1036 REG_JNI(register_android_graphics_Movie), 1037 REG_JNI(register_android_graphics_NinePatch), 1038 REG_JNI(register_android_graphics_Paint), 1039 REG_JNI(register_android_graphics_Path), 1040 REG_JNI(register_android_graphics_PathMeasure), 1041 REG_JNI(register_android_graphics_PathEffect), 1042 REG_JNI(register_android_graphics_Picture), 1043 REG_JNI(register_android_graphics_PorterDuff), 1044 REG_JNI(register_android_graphics_Rasterizer), 1045 REG_JNI(register_android_graphics_Region), 1046 REG_JNI(register_android_graphics_Shader), 1047 REG_JNI(register_android_graphics_Typeface), 1048 REG_JNI(register_android_graphics_Xfermode), 1049 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1050 1051 REG_JNI(register_android_database_CursorWindow), 1052 REG_JNI(register_android_database_SQLiteDatabase), 1053 REG_JNI(register_android_database_SQLiteDebug), 1054 REG_JNI(register_android_database_SQLiteProgram), 1055 REG_JNI(register_android_database_SQLiteQuery), 1056 REG_JNI(register_android_database_SQLiteStatement), 1057 REG_JNI(register_android_os_Debug), 1058 REG_JNI(register_android_os_Exec), 1059 REG_JNI(register_android_os_FileObserver), 1060 REG_JNI(register_android_os_FileUtils), 1061 REG_JNI(register_android_os_ParcelFileDescriptor), 1062 REG_JNI(register_android_os_Power), 1063 REG_JNI(register_android_os_StatFs), 1064 REG_JNI(register_android_os_SystemProperties), 1065 REG_JNI(register_android_os_UEventObserver), 1066 REG_JNI(register_android_net_LocalSocketImpl), 1067 REG_JNI(register_android_net_NetworkUtils), 1068 REG_JNI(register_android_net_wifi_WifiManager), 1069 REG_JNI(register_android_os_NetStat), 1070 REG_JNI(register_android_os_MemoryFile), 1071 REG_JNI(register_com_android_internal_os_ZygoteInit), 1072 REG_JNI(register_android_hardware_Camera), 1073 REG_JNI(register_android_hardware_SensorManager), 1074 REG_JNI(register_android_media_AudioRecord), 1075 REG_JNI(register_android_media_AudioSystem), 1076 REG_JNI(register_android_media_AudioTrack), 1077 REG_JNI(register_android_media_JetPlayer), 1078 REG_JNI(register_android_media_ToneGenerator), 1079 1080 REG_JNI(register_android_opengl_classes), 1081 REG_JNI(register_android_bluetooth_Database), 1082 REG_JNI(register_android_bluetooth_HeadsetBase), 1083 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1084 REG_JNI(register_android_bluetooth_RfcommSocket), 1085 REG_JNI(register_android_bluetooth_ScoSocket), 1086 REG_JNI(register_android_server_BluetoothDeviceService), 1087 REG_JNI(register_android_server_BluetoothEventLoop), 1088 REG_JNI(register_android_server_BluetoothA2dpService), 1089 REG_JNI(register_android_message_digest_sha1), 1090 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1091 REG_JNI(register_android_util_Base64), 1092 REG_JNI(register_android_location_GpsLocationProvider), 1093}; 1094 1095/* 1096 * Register android native functions with the VM. 1097 */ 1098/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1099{ 1100 /* 1101 * This hook causes all future threads created in this process to be 1102 * attached to the JavaVM. (This needs to go away in favor of JNI 1103 * Attach calls.) 1104 */ 1105 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1106 1107 LOGD("--- registering native functions ---\n"); 1108 1109 /* 1110 * Every "register" function calls one or more things that return 1111 * a local reference (e.g. FindClass). Because we haven't really 1112 * started the VM yet, they're all getting stored in the base frame 1113 * and never released. Use Push/Pop to manage the storage. 1114 */ 1115 env->PushLocalFrame(200); 1116 1117 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1118 env->PopLocalFrame(NULL); 1119 return -1; 1120 } 1121 env->PopLocalFrame(NULL); 1122 1123 //createJavaThread("fubar", quickTest, (void*) "hello"); 1124 1125 return 0; 1126} 1127 1128AndroidRuntime* AndroidRuntime::getRuntime() 1129{ 1130 return gCurRuntime; 1131} 1132 1133/** 1134 * Used by WithFramework to register native functions. 1135 */ 1136extern "C" 1137jint Java_com_android_internal_util_WithFramework_registerNatives( 1138 JNIEnv* env, jclass clazz) { 1139 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1140} 1141 1142/** 1143 * Used by LoadClass to register native functions. 1144 */ 1145extern "C" 1146jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1147 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1148} 1149 1150} // namespace android 1151