AndroidRuntime.cpp revision daf701fa6250ae89ad93e2e41127e0f676a322a5
1/* //device/libs/android_runtime/AndroidRuntime.cpp 2** 3** Copyright 2006, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#define LOG_TAG "AndroidRuntime" 19//#define LOG_NDEBUG 0 20 21#include <android_runtime/AndroidRuntime.h> 22#include <binder/IBinder.h> 23#include <binder/IServiceManager.h> 24#include <utils/Log.h> 25#include <utils/misc.h> 26#include <binder/Parcel.h> 27#include <utils/StringArray.h> 28#include <utils/threads.h> 29#include <cutils/properties.h> 30 31#include <SkGraphics.h> 32#include <SkImageDecoder.h> 33#include <SkImageRef_GlobalPool.h> 34 35#include "jni.h" 36#include "JNIHelp.h" 37#include "android_util_Binder.h" 38 39#include <stdio.h> 40#include <signal.h> 41#include <sys/stat.h> 42#include <sys/types.h> 43#include <signal.h> 44#include <dirent.h> 45#include <assert.h> 46 47 48using namespace android; 49 50extern void register_BindTest(); 51 52extern int register_android_os_Binder(JNIEnv* env); 53extern int register_android_os_Process(JNIEnv* env); 54extern int register_android_graphics_Bitmap(JNIEnv*); 55extern int register_android_graphics_BitmapFactory(JNIEnv*); 56extern int register_android_graphics_Camera(JNIEnv* env); 57extern int register_android_graphics_Graphics(JNIEnv* env); 58extern int register_android_graphics_Interpolator(JNIEnv* env); 59extern int register_android_graphics_LayerRasterizer(JNIEnv*); 60extern int register_android_graphics_MaskFilter(JNIEnv* env); 61extern int register_android_graphics_Movie(JNIEnv* env); 62extern int register_android_graphics_NinePatch(JNIEnv*); 63extern int register_android_graphics_PathEffect(JNIEnv* env); 64extern int register_android_graphics_Region(JNIEnv* env); 65extern int register_android_graphics_Shader(JNIEnv* env); 66extern int register_android_graphics_Typeface(JNIEnv* env); 67 68extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env); 69extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env); 70extern int register_android_opengl_jni_GLES10(JNIEnv* env); 71extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env); 72extern int register_android_opengl_jni_GLES11(JNIEnv* env); 73extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env); 74 75extern int register_android_hardware_Camera(JNIEnv *env); 76 77extern int register_android_hardware_SensorManager(JNIEnv *env); 78 79extern int register_android_media_AudioRecord(JNIEnv *env); 80extern int register_android_media_AudioSystem(JNIEnv *env); 81extern int register_android_media_AudioTrack(JNIEnv *env); 82extern int register_android_media_JetPlayer(JNIEnv *env); 83extern int register_android_media_ToneGenerator(JNIEnv *env); 84 85extern int register_android_message_digest_sha1(JNIEnv *env); 86 87extern int register_android_util_FloatMath(JNIEnv* env); 88 89namespace android { 90 91/* 92 * JNI-based registration functions. Note these are properly contained in 93 * namespace android. 94 */ 95extern int register_android_content_AssetManager(JNIEnv* env); 96extern int register_android_util_EventLog(JNIEnv* env); 97extern int register_android_util_Log(JNIEnv* env); 98extern int register_android_content_StringBlock(JNIEnv* env); 99extern int register_android_content_XmlBlock(JNIEnv* env); 100extern int register_android_emoji_EmojiFactory(JNIEnv* env); 101extern int register_android_graphics_Canvas(JNIEnv* env); 102extern int register_android_graphics_ColorFilter(JNIEnv* env); 103extern int register_android_graphics_DrawFilter(JNIEnv* env); 104extern int register_android_graphics_Matrix(JNIEnv* env); 105extern int register_android_graphics_Paint(JNIEnv* env); 106extern int register_android_graphics_Path(JNIEnv* env); 107extern int register_android_graphics_PathMeasure(JNIEnv* env); 108extern int register_android_graphics_Picture(JNIEnv*); 109extern int register_android_graphics_PorterDuff(JNIEnv* env); 110extern int register_android_graphics_Rasterizer(JNIEnv* env); 111extern int register_android_graphics_Xfermode(JNIEnv* env); 112extern int register_android_graphics_PixelFormat(JNIEnv* env); 113extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env); 114extern int register_android_view_Display(JNIEnv* env); 115extern int register_android_view_Surface(JNIEnv* env); 116extern int register_android_view_ViewRoot(JNIEnv* env); 117extern int register_android_database_CursorWindow(JNIEnv* env); 118extern int register_android_database_SQLiteDatabase(JNIEnv* env); 119extern int register_android_database_SQLiteDebug(JNIEnv* env); 120extern int register_android_database_SQLiteProgram(JNIEnv* env); 121extern int register_android_database_SQLiteQuery(JNIEnv* env); 122extern int register_android_database_SQLiteStatement(JNIEnv* env); 123extern int register_android_debug_JNITest(JNIEnv* env); 124extern int register_android_nio_utils(JNIEnv* env); 125extern int register_android_pim_EventRecurrence(JNIEnv* env); 126extern int register_android_text_format_Time(JNIEnv* env); 127extern int register_android_os_Debug(JNIEnv* env); 128extern int register_android_os_ParcelFileDescriptor(JNIEnv *env); 129extern int register_android_os_Power(JNIEnv *env); 130extern int register_android_os_StatFs(JNIEnv *env); 131extern int register_android_os_SystemProperties(JNIEnv *env); 132extern int register_android_os_Hardware(JNIEnv* env); 133extern int register_android_os_SystemClock(JNIEnv* env); 134extern int register_android_os_FileObserver(JNIEnv *env); 135extern int register_android_os_FileUtils(JNIEnv *env); 136extern int register_android_os_UEventObserver(JNIEnv* env); 137extern int register_android_os_MemoryFile(JNIEnv* env); 138extern int register_android_net_LocalSocketImpl(JNIEnv* env); 139extern int register_android_net_NetworkUtils(JNIEnv* env); 140extern int register_android_net_wifi_WifiManager(JNIEnv* env); 141extern int register_android_security_Md5MessageDigest(JNIEnv *env); 142extern int register_android_text_AndroidCharacter(JNIEnv *env); 143extern int register_android_text_KeyCharacterMap(JNIEnv *env); 144extern int register_android_opengl_classes(JNIEnv *env); 145extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 146extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 147extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env); 148extern int register_android_bluetooth_ScoSocket(JNIEnv *env); 149extern int register_android_server_BluetoothDeviceService(JNIEnv* env); 150extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 151extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 152extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 153extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 154extern int register_android_util_Base64(JNIEnv* env); 155extern int register_android_location_GpsLocationProvider(JNIEnv* env); 156extern int register_android_backup_BackupDataInput(JNIEnv *env); 157extern int register_android_backup_BackupDataOutput(JNIEnv *env); 158extern int register_android_backup_FileBackupHelper(JNIEnv *env); 159 160static AndroidRuntime* gCurRuntime = NULL; 161 162static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 163{ 164 if (jniThrowException(env, exc, msg) != 0) 165 assert(false); 166} 167 168/* 169 * Code written in the Java Programming Language calls here from main(). 170 */ 171static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 172{ 173 gCurRuntime->onStarted(); 174} 175 176static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 177{ 178 gCurRuntime->onZygoteInit(); 179} 180 181static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 182{ 183 return 1; 184} 185 186static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 187{ 188} 189 190static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 191{ 192 char* value = getenv("qwerty"); 193 if (value != NULL && strcmp(value, "true") == 0) { 194 return 1; 195 } 196 197 return 0; 198} 199 200/* 201 * JNI registration. 202 */ 203static JNINativeMethod gMethods[] = { 204 { "finishInit", "()V", 205 (void*) com_android_internal_os_RuntimeInit_finishInit }, 206 { "zygoteInitNative", "()V", 207 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 208 { "isComputerOn", "()I", 209 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 210 { "turnComputerOn", "()V", 211 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 212 { "getQwertyKeyboard", "()I", 213 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 214}; 215 216int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 217{ 218 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 219 gMethods, NELEM(gMethods)); 220} 221 222// ---------------------------------------------------------------------- 223 224/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 225 226 227AndroidRuntime::AndroidRuntime() 228{ 229 SkGraphics::Init(); 230 // this sets our preference for 16bit images during decode 231 // in case the src is opaque and 24bit 232 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 233 // This cache is shared between browser native images, and java "purgeable" 234 // bitmaps. This globalpool is for images that do not either use the java 235 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 236 // java call site. 237 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 238 // There is also a global font cache, but its budget is specified in code 239 // see SkFontHost_android.cpp 240 241 // Pre-allocate enough space to hold a fair number of options. 242 mOptions.setCapacity(20); 243 244 assert(gCurRuntime == NULL); // one per process 245 gCurRuntime = this; 246} 247 248AndroidRuntime::~AndroidRuntime() 249{ 250 SkGraphics::Term(); 251} 252 253/* 254 * Register native methods using JNI. 255 */ 256/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 257 const char* className, const JNINativeMethod* gMethods, int numMethods) 258{ 259 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 260} 261 262/* 263 * Call a static Java Programming Language function that takes no arguments and returns void. 264 */ 265status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 266{ 267 JNIEnv* env; 268 jclass clazz; 269 jmethodID methodId; 270 271 env = getJNIEnv(); 272 if (env == NULL) 273 return UNKNOWN_ERROR; 274 275 clazz = findClass(env, className); 276 if (clazz == NULL) { 277 LOGE("ERROR: could not find class '%s'\n", className); 278 return UNKNOWN_ERROR; 279 } 280 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 281 if (methodId == NULL) { 282 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 283 return UNKNOWN_ERROR; 284 } 285 286 env->CallStaticVoidMethod(clazz, methodId); 287 288 return NO_ERROR; 289} 290 291status_t AndroidRuntime::callMain( 292 const char* className, int argc, const char* const argv[]) 293{ 294 JNIEnv* env; 295 jclass clazz; 296 jmethodID methodId; 297 298 env = getJNIEnv(); 299 if (env == NULL) 300 return UNKNOWN_ERROR; 301 302 clazz = findClass(env, className); 303 if (clazz == NULL) { 304 LOGE("ERROR: could not find class '%s'\n", className); 305 return UNKNOWN_ERROR; 306 } 307 308 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 309 if (methodId == NULL) { 310 LOGE("ERROR: could not find method %s.main(String[])\n", className); 311 return UNKNOWN_ERROR; 312 } 313 314 /* 315 * We want to call main() with a String array with our arguments in it. 316 * Create an array and populate it. 317 */ 318 jclass stringClass; 319 jobjectArray strArray; 320 321 stringClass = env->FindClass("java/lang/String"); 322 strArray = env->NewObjectArray(argc, stringClass, NULL); 323 324 for (int i = 0; i < argc; i++) { 325 jstring argStr = env->NewStringUTF(argv[i]); 326 env->SetObjectArrayElement(strArray, i, argStr); 327 } 328 329 env->CallStaticVoidMethod(clazz, methodId, strArray); 330 return NO_ERROR; 331} 332 333/* 334 * Find the named class. 335 */ 336jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 337{ 338 char* convName = NULL; 339 340 if (env->ExceptionCheck()) { 341 LOGE("ERROR: exception pending on entry to findClass()\n"); 342 return NULL; 343 } 344 345 /* 346 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 347 * uses the dotted "binary name" format. We don't need to convert the 348 * name with the new approach. 349 */ 350#if 0 351 /* (convName only created if necessary -- use className) */ 352 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 353 if (*cp == '.') { 354 if (convName == NULL) { 355 convName = strdup(className); 356 cp = convName + (cp-className); 357 className = convName; 358 } 359 *cp = '/'; 360 } 361 } 362#endif 363 364 /* 365 * This is a little awkward because the JNI FindClass call uses the 366 * class loader associated with the native method we're executing in. 367 * Because this native method is part of a "boot" class, JNI doesn't 368 * look for the class in CLASSPATH, which unfortunately is a likely 369 * location for it. (Had we issued the FindClass call before calling 370 * into the VM -- at which point there isn't a native method frame on 371 * the stack -- the VM would have checked CLASSPATH. We have to do 372 * this because we call into Java Programming Language code and 373 * bounce back out.) 374 * 375 * JNI lacks a "find class in a specific class loader" operation, so we 376 * have to do things the hard way. 377 */ 378 jclass cls = NULL; 379 //cls = env->FindClass(className); 380 381 jclass javaLangClassLoader; 382 jmethodID getSystemClassLoader, loadClass; 383 jobject systemClassLoader; 384 jstring strClassName; 385 386 /* find the "system" class loader; none of this is expected to fail */ 387 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 388 assert(javaLangClassLoader != NULL); 389 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 390 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 391 loadClass = env->GetMethodID(javaLangClassLoader, 392 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 393 assert(getSystemClassLoader != NULL && loadClass != NULL); 394 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 395 getSystemClassLoader); 396 assert(systemClassLoader != NULL); 397 398 /* create an object for the class name string; alloc could fail */ 399 strClassName = env->NewStringUTF(className); 400 if (env->ExceptionCheck()) { 401 LOGE("ERROR: unable to convert '%s' to string\n", className); 402 goto bail; 403 } 404 LOGV("system class loader is %p, loading %p (%s)\n", 405 systemClassLoader, strClassName, className); 406 407 /* try to find the named class */ 408 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 409 strClassName); 410 if (env->ExceptionCheck()) { 411 LOGE("ERROR: unable to load class '%s' from %p\n", 412 className, systemClassLoader); 413 cls = NULL; 414 goto bail; 415 } 416 417bail: 418 free(convName); 419 return cls; 420} 421 422/* 423 * The VM calls this through the "exit" hook. 424 */ 425static void runtime_exit(int code) 426{ 427 gCurRuntime->onExit(code); 428 exit(code); 429} 430 431/* 432 * The VM calls this through the "vfprintf" hook. 433 * 434 * We ignore "fp" and just write the results to the log file. 435 */ 436static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 437{ 438 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 439} 440 441 442/** 443 * Add VM arguments to the to-be-executed VM 444 * Stops at first non '-' argument (also stops at an argument of '--') 445 * Returns the number of args consumed 446 */ 447int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 448{ 449 int i; 450 451 for (i = 0; i<argc; i++) { 452 if (argv[i][0] != '-') { 453 return i; 454 } 455 if (argv[i][1] == '-' && argv[i][2] == 0) { 456 return i+1; 457 } 458 459 JavaVMOption opt; 460 memset(&opt, 0, sizeof(opt)); 461 opt.optionString = (char*)argv[i]; 462 mOptions.add(opt); 463 } 464 return i; 465} 466 467static int hasDir(const char* dir) 468{ 469 struct stat s; 470 int res = stat(dir, &s); 471 if (res == 0) { 472 return S_ISDIR(s.st_mode); 473 } 474 return 0; 475} 476 477/* 478 * We just want failed write() calls to just return with an error. 479 */ 480static void blockSigpipe() 481{ 482 sigset_t mask; 483 484 sigemptyset(&mask); 485 sigaddset(&mask, SIGPIPE); 486 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 487 LOGW("WARNING: SIGPIPE not blocked\n"); 488} 489 490/* 491 * Read the persistent locale. 492 */ 493static void readLocale(char* language, char* region) 494{ 495 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 496 497 property_get("persist.sys.language", propLang, ""); 498 property_get("persist.sys.country", propRegn, ""); 499 if (*propLang == 0 && *propRegn == 0) { 500 /* Set to ro properties, default is en_US */ 501 property_get("ro.product.locale.language", propLang, "en"); 502 property_get("ro.product.locale.region", propRegn, "US"); 503 } 504 strncat(language, propLang, 2); 505 strncat(region, propRegn, 2); 506 //LOGD("language=%s region=%s\n", language, region); 507} 508 509/* 510 * Start the Dalvik Virtual Machine. 511 * 512 * Various arguments, most determined by system properties, are passed in. 513 * The "mOptions" vector is updated. 514 * 515 * Returns 0 on success. 516 */ 517int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) 518{ 519 int result = -1; 520 JavaVMInitArgs initArgs; 521 JavaVMOption opt; 522 char propBuf[PROPERTY_VALUE_MAX]; 523 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 524 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 525 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 526 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 527 char* stackTraceFile = NULL; 528 bool checkJni = false; 529 bool checkDexSum = false; 530 bool logStdio = false; 531 enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault; 532 533 534 property_get("dalvik.vm.checkjni", propBuf, ""); 535 if (strcmp(propBuf, "true") == 0) { 536 checkJni = true; 537 } else if (strcmp(propBuf, "false") != 0) { 538 /* property is neither true nor false; fall back on kernel parameter */ 539 property_get("ro.kernel.android.checkjni", propBuf, ""); 540 if (propBuf[0] == '1') { 541 checkJni = true; 542 } 543 } 544 545 property_get("dalvik.vm.execution-mode", propBuf, ""); 546 if (strcmp(propBuf, "int:portable") == 0) { 547 executionMode = kEMIntPortable; 548 } else if (strcmp(propBuf, "int:fast") == 0) { 549 executionMode = kEMIntFast; 550 } 551 552 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 553 554 property_get("dalvik.vm.check-dex-sum", propBuf, ""); 555 if (strcmp(propBuf, "true") == 0) { 556 checkDexSum = true; 557 } 558 559 property_get("log.redirect-stdio", propBuf, ""); 560 if (strcmp(propBuf, "true") == 0) { 561 logStdio = true; 562 } 563 564 strcpy(enableAssertBuf, "-ea:"); 565 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 566 567 strcpy(jniOptsBuf, "-Xjniopts:"); 568 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 569 570 /* route exit() to our handler */ 571 opt.extraInfo = (void*) runtime_exit; 572 opt.optionString = "exit"; 573 mOptions.add(opt); 574 575 /* route fprintf() to our handler */ 576 opt.extraInfo = (void*) runtime_vfprintf; 577 opt.optionString = "vfprintf"; 578 mOptions.add(opt); 579 580 opt.extraInfo = NULL; 581 582 /* enable verbose; standard options are { jni, gc, class } */ 583 //options[curOpt++].optionString = "-verbose:jni"; 584 opt.optionString = "-verbose:gc"; 585 mOptions.add(opt); 586 //options[curOpt++].optionString = "-verbose:class"; 587 588#ifdef CUSTOM_RUNTIME_HEAP_MAX 589#define __make_max_heap_opt(val) #val 590#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val) 591 opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX); 592#undef __make_max_heap_opt 593#undef _make_max_heap_opt 594#else 595 /* limit memory use to 16MB */ 596 opt.optionString = "-Xmx16m"; 597#endif 598 mOptions.add(opt); 599 600 /* 601 * Enable or disable dexopt features, such as bytecode verification and 602 * calculation of register maps for precise GC. 603 */ 604 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 605 if (dexoptFlagsBuf[0] != '\0') { 606 const char* opc; 607 const char* val; 608 609 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 610 if (opc != NULL) { 611 switch (*(opc+2)) { 612 case 'n': val = "-Xverify:none"; break; 613 case 'r': val = "-Xverify:remote"; break; 614 case 'a': val = "-Xverify:all"; break; 615 default: val = NULL; break; 616 } 617 618 if (val != NULL) { 619 opt.optionString = val; 620 mOptions.add(opt); 621 } 622 } 623 624 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 625 if (opc != NULL) { 626 switch (*(opc+2)) { 627 case 'n': val = "-Xdexopt:none"; break; 628 case 'v': val = "-Xdexopt:verified"; break; 629 case 'a': val = "-Xdexopt:all"; break; 630 default: val = NULL; break; 631 } 632 633 if (val != NULL) { 634 opt.optionString = val; 635 mOptions.add(opt); 636 } 637 } 638 639 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 640 if (opc != NULL) { 641 opt.optionString = "-Xgenregmap"; 642 mOptions.add(opt); 643 644 /* turn on precise GC while we're at it */ 645 opt.optionString = "-Xgc:precise"; 646 mOptions.add(opt); 647 } 648 } 649 650 /* enable debugging; set suspend=y to pause during VM init */ 651#ifdef HAVE_ANDROID_OS 652 /* use android ADB transport */ 653 opt.optionString = 654 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 655#else 656 /* use TCP socket; address=0 means start at port 8000 and probe up */ 657 LOGI("Using TCP socket for JDWP\n"); 658 opt.optionString = 659 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 660#endif 661 mOptions.add(opt); 662 663 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 664 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 665 if (strlen(propBuf) > 0) { 666 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 667 strcat(enableDPBuf, propBuf); 668 opt.optionString = enableDPBuf; 669 mOptions.add(opt); 670 } 671 672 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 673 if (checkJni) { 674 /* extended JNI checking */ 675 opt.optionString = "-Xcheck:jni"; 676 mOptions.add(opt); 677 678 /* set a cap on JNI global references */ 679 opt.optionString = "-Xjnigreflimit:2000"; 680 mOptions.add(opt); 681 682 /* with -Xcheck:jni, this provides a JNI function call trace */ 683 //opt.optionString = "-verbose:jni"; 684 //mOptions.add(opt); 685 } 686 if (executionMode == kEMIntPortable) { 687 opt.optionString = "-Xint:portable"; 688 mOptions.add(opt); 689 } else if (executionMode == kEMIntFast) { 690 opt.optionString = "-Xint:fast"; 691 mOptions.add(opt); 692 } 693 694 if (checkDexSum) { 695 /* perform additional DEX checksum tests */ 696 opt.optionString = "-Xcheckdexsum"; 697 mOptions.add(opt); 698 } 699 700 if (logStdio) { 701 /* convert stdout/stderr to log messages */ 702 opt.optionString = "-Xlog-stdio"; 703 mOptions.add(opt); 704 } 705 706 if (enableAssertBuf[4] != '\0') { 707 /* accept "all" to mean "all classes and packages" */ 708 if (strcmp(enableAssertBuf+4, "all") == 0) 709 enableAssertBuf[3] = '\0'; 710 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 711 opt.optionString = enableAssertBuf; 712 mOptions.add(opt); 713 } else { 714 LOGV("Assertions disabled\n"); 715 } 716 717 if (jniOptsBuf[10] != '\0') { 718 LOGI("JNI options: '%s'\n", jniOptsBuf); 719 opt.optionString = jniOptsBuf; 720 mOptions.add(opt); 721 } 722 723 if (stackTraceFileBuf[0] != '\0') { 724 static const char* stfOptName = "-Xstacktracefile:"; 725 726 stackTraceFile = (char*) malloc(strlen(stfOptName) + 727 strlen(stackTraceFileBuf) +1); 728 strcpy(stackTraceFile, stfOptName); 729 strcat(stackTraceFile, stackTraceFileBuf); 730 opt.optionString = stackTraceFile; 731 mOptions.add(opt); 732 } 733 734 /* Set the properties for locale */ 735 { 736 char langOption[sizeof("-Duser.language=") + 3]; 737 char regionOption[sizeof("-Duser.region=") + 3]; 738 strcpy(langOption, "-Duser.language="); 739 strcpy(regionOption, "-Duser.region="); 740 readLocale(langOption, regionOption); 741 opt.extraInfo = NULL; 742 opt.optionString = langOption; 743 mOptions.add(opt); 744 opt.optionString = regionOption; 745 mOptions.add(opt); 746 } 747 748 /* 749 * We don't have /tmp on the device, but we often have an SD card. Apps 750 * shouldn't use this, but some test suites might want to exercise it. 751 */ 752 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 753 mOptions.add(opt); 754 755 initArgs.version = JNI_VERSION_1_4; 756 initArgs.options = mOptions.editArray(); 757 initArgs.nOptions = mOptions.size(); 758 initArgs.ignoreUnrecognized = JNI_FALSE; 759 760 /* 761 * Initialize the VM. 762 * 763 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 764 * If this call succeeds, the VM is ready, and we can start issuing 765 * JNI calls. 766 */ 767 if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) { 768 LOGE("JNI_CreateJavaVM failed\n"); 769 goto bail; 770 } 771 772 result = 0; 773 774bail: 775 free(stackTraceFile); 776 return result; 777} 778 779/* 780 * Start the Android runtime. This involves starting the virtual machine 781 * and calling the "static void main(String[] args)" method in the class 782 * named by "className". 783 */ 784void AndroidRuntime::start(const char* className, const bool startSystemServer) 785{ 786 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 787 788 char* slashClassName = NULL; 789 char* cp; 790 JNIEnv* env; 791 792 blockSigpipe(); 793 794 /* 795 * 'startSystemServer == true' means runtime is obslete and not run from 796 * init.rc anymore, so we print out the boot start event here. 797 */ 798 if (startSystemServer) { 799 /* track our progress through the boot sequence */ 800 const int LOG_BOOT_PROGRESS_START = 3000; 801 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 802 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 803 } 804 805 const char* rootDir = getenv("ANDROID_ROOT"); 806 if (rootDir == NULL) { 807 rootDir = "/system"; 808 if (!hasDir("/system")) { 809 LOG_FATAL("No root directory specified, and /android does not exist."); 810 goto bail; 811 } 812 setenv("ANDROID_ROOT", rootDir, 1); 813 } 814 815 //const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 816 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 817 818 /* start the virtual machine */ 819 if (startVm(&mJavaVM, &env) != 0) 820 goto bail; 821 822 /* 823 * Register android functions. 824 */ 825 if (startReg(env) < 0) { 826 LOGE("Unable to register all android natives\n"); 827 goto bail; 828 } 829 830 /* 831 * We want to call main() with a String array with arguments in it. 832 * At present we only have one argument, the class name. Create an 833 * array to hold it. 834 */ 835 jclass stringClass; 836 jobjectArray strArray; 837 jstring classNameStr; 838 jstring startSystemServerStr; 839 840 stringClass = env->FindClass("java/lang/String"); 841 assert(stringClass != NULL); 842 strArray = env->NewObjectArray(2, stringClass, NULL); 843 assert(strArray != NULL); 844 classNameStr = env->NewStringUTF(className); 845 assert(classNameStr != NULL); 846 env->SetObjectArrayElement(strArray, 0, classNameStr); 847 startSystemServerStr = env->NewStringUTF(startSystemServer ? 848 "true" : "false"); 849 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 850 851 /* 852 * Start VM. This thread becomes the main thread of the VM, and will 853 * not return until the VM exits. 854 */ 855 jclass startClass; 856 jmethodID startMeth; 857 858 slashClassName = strdup(className); 859 for (cp = slashClassName; *cp != '\0'; cp++) 860 if (*cp == '.') 861 *cp = '/'; 862 863 startClass = env->FindClass(slashClassName); 864 if (startClass == NULL) { 865 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 866 /* keep going */ 867 } else { 868 startMeth = env->GetStaticMethodID(startClass, "main", 869 "([Ljava/lang/String;)V"); 870 if (startMeth == NULL) { 871 LOGE("JavaVM unable to find main() in '%s'\n", className); 872 /* keep going */ 873 } else { 874 env->CallStaticVoidMethod(startClass, startMeth, strArray); 875 876#if 0 877 if (env->ExceptionCheck()) 878 threadExitUncaughtException(env); 879#endif 880 } 881 } 882 883 LOGD("Shutting down VM\n"); 884 if (mJavaVM->DetachCurrentThread() != JNI_OK) 885 LOGW("Warning: unable to detach main thread\n"); 886 if (mJavaVM->DestroyJavaVM() != 0) 887 LOGW("Warning: VM did not shut down cleanly\n"); 888 889bail: 890 free(slashClassName); 891} 892 893void AndroidRuntime::start() 894{ 895 start("com.android.internal.os.RuntimeInit", 896 false /* Don't start the system server */); 897} 898 899void AndroidRuntime::onExit(int code) 900{ 901 LOGI("AndroidRuntime onExit calling exit(%d)", code); 902 exit(code); 903} 904 905/* 906 * Get the JNIEnv pointer for this thread. 907 * 908 * Returns NULL if the slot wasn't allocated or populated. 909 */ 910/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 911{ 912 JNIEnv* env; 913 JavaVM* vm = AndroidRuntime::getJavaVM(); 914 assert(vm != NULL); 915 916 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 917 return NULL; 918 return env; 919} 920 921/* 922 * Makes the current thread visible to the VM. 923 * 924 * The JNIEnv pointer returned is only valid for the current thread, and 925 * thus must be tucked into thread-local storage. 926 */ 927static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 928{ 929 JavaVMAttachArgs args; 930 JavaVM* vm; 931 jint result; 932 933 vm = AndroidRuntime::getJavaVM(); 934 assert(vm != NULL); 935 936 args.version = JNI_VERSION_1_4; 937 args.name = (char*) threadName; 938 args.group = NULL; 939 940 result = vm->AttachCurrentThread(pEnv, (void*) &args); 941 if (result != JNI_OK) 942 LOGE("ERROR: thread attach failed\n"); 943 944 return result; 945} 946 947/* 948 * Detach the current thread from the set visible to the VM. 949 */ 950static int javaDetachThread(void) 951{ 952 JavaVM* vm; 953 jint result; 954 955 vm = AndroidRuntime::getJavaVM(); 956 assert(vm != NULL); 957 958 result = vm->DetachCurrentThread(); 959 if (result != JNI_OK) 960 LOGE("ERROR: thread detach failed\n"); 961 return result; 962} 963 964/* 965 * When starting a native thread that will be visible from the VM, we 966 * bounce through this to get the right attach/detach action. 967 * Note that this function calls free(args) 968 */ 969/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 970 void* start = ((void**)args)[0]; 971 void* userData = ((void **)args)[1]; 972 char* name = (char*) ((void **)args)[2]; // we own this storage 973 free(args); 974 JNIEnv* env; 975 int result; 976 977 /* hook us into the VM */ 978 if (javaAttachThread(name, &env) != JNI_OK) 979 return -1; 980 981 /* start the thread running */ 982 result = (*(android_thread_func_t)start)(userData); 983 984 /* unhook us */ 985 javaDetachThread(); 986 free(name); 987 988 return result; 989} 990 991/* 992 * This is invoked from androidCreateThreadEtc() via the callback 993 * set with androidSetCreateThreadFunc(). 994 * 995 * We need to create the new thread in such a way that it gets hooked 996 * into the VM before it really starts executing. 997 */ 998/*static*/ int AndroidRuntime::javaCreateThreadEtc( 999 android_thread_func_t entryFunction, 1000 void* userData, 1001 const char* threadName, 1002 int32_t threadPriority, 1003 size_t threadStackSize, 1004 android_thread_id_t* threadId) 1005{ 1006 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 1007 int result; 1008 1009 assert(threadName != NULL); 1010 1011 args[0] = (void*) entryFunction; 1012 args[1] = userData; 1013 args[2] = (void*) strdup(threadName); // javaThreadShell must free 1014 1015 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 1016 threadName, threadPriority, threadStackSize, threadId); 1017 return result; 1018} 1019 1020/* 1021 * Create a thread that is visible from the VM. 1022 * 1023 * This is called from elsewhere in the library. 1024 */ 1025/*static*/ void AndroidRuntime::createJavaThread(const char* name, 1026 void (*start)(void *), void* arg) 1027{ 1028 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 1029 ANDROID_PRIORITY_DEFAULT, 0, NULL); 1030} 1031 1032#if 0 1033static void quickTest(void* arg) 1034{ 1035 const char* str = (const char*) arg; 1036 1037 printf("In quickTest: %s\n", str); 1038} 1039#endif 1040 1041#ifdef NDEBUG 1042 #define REG_JNI(name) { name } 1043 struct RegJNIRec { 1044 int (*mProc)(JNIEnv*); 1045 }; 1046#else 1047 #define REG_JNI(name) { name, #name } 1048 struct RegJNIRec { 1049 int (*mProc)(JNIEnv*); 1050 const char* mName; 1051 }; 1052#endif 1053 1054typedef void (*RegJAMProc)(); 1055 1056static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1057{ 1058 for (size_t i = 0; i < count; i++) { 1059 if (array[i].mProc(env) < 0) { 1060#ifndef NDEBUG 1061 LOGD("----------!!! %s failed to load\n", array[i].mName); 1062#endif 1063 return -1; 1064 } 1065 } 1066 return 0; 1067} 1068 1069static void register_jam_procs(const RegJAMProc array[], size_t count) 1070{ 1071 for (size_t i = 0; i < count; i++) { 1072 array[i](); 1073 } 1074} 1075 1076static const RegJNIRec gRegJNI[] = { 1077 REG_JNI(register_android_debug_JNITest), 1078 REG_JNI(register_com_android_internal_os_RuntimeInit), 1079 REG_JNI(register_android_os_SystemClock), 1080 REG_JNI(register_android_util_EventLog), 1081 REG_JNI(register_android_util_Log), 1082 REG_JNI(register_android_util_FloatMath), 1083 REG_JNI(register_android_text_format_Time), 1084 REG_JNI(register_android_pim_EventRecurrence), 1085 REG_JNI(register_android_content_AssetManager), 1086 REG_JNI(register_android_content_StringBlock), 1087 REG_JNI(register_android_content_XmlBlock), 1088 REG_JNI(register_android_emoji_EmojiFactory), 1089 REG_JNI(register_android_security_Md5MessageDigest), 1090 REG_JNI(register_android_text_AndroidCharacter), 1091 REG_JNI(register_android_text_KeyCharacterMap), 1092 REG_JNI(register_android_os_Process), 1093 REG_JNI(register_android_os_Binder), 1094 REG_JNI(register_android_os_Hardware), 1095 REG_JNI(register_android_view_Display), 1096 REG_JNI(register_android_nio_utils), 1097 REG_JNI(register_android_graphics_PixelFormat), 1098 REG_JNI(register_android_graphics_Graphics), 1099 REG_JNI(register_android_view_Surface), 1100 REG_JNI(register_android_view_ViewRoot), 1101 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1102 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1103 REG_JNI(register_android_opengl_jni_GLES10), 1104 REG_JNI(register_android_opengl_jni_GLES10Ext), 1105 REG_JNI(register_android_opengl_jni_GLES11), 1106 REG_JNI(register_android_opengl_jni_GLES11Ext), 1107 1108 REG_JNI(register_android_graphics_Bitmap), 1109 REG_JNI(register_android_graphics_BitmapFactory), 1110 REG_JNI(register_android_graphics_Camera), 1111 REG_JNI(register_android_graphics_Canvas), 1112 REG_JNI(register_android_graphics_ColorFilter), 1113 REG_JNI(register_android_graphics_DrawFilter), 1114 REG_JNI(register_android_graphics_Interpolator), 1115 REG_JNI(register_android_graphics_LayerRasterizer), 1116 REG_JNI(register_android_graphics_MaskFilter), 1117 REG_JNI(register_android_graphics_Matrix), 1118 REG_JNI(register_android_graphics_Movie), 1119 REG_JNI(register_android_graphics_NinePatch), 1120 REG_JNI(register_android_graphics_Paint), 1121 REG_JNI(register_android_graphics_Path), 1122 REG_JNI(register_android_graphics_PathMeasure), 1123 REG_JNI(register_android_graphics_PathEffect), 1124 REG_JNI(register_android_graphics_Picture), 1125 REG_JNI(register_android_graphics_PorterDuff), 1126 REG_JNI(register_android_graphics_Rasterizer), 1127 REG_JNI(register_android_graphics_Region), 1128 REG_JNI(register_android_graphics_Shader), 1129 REG_JNI(register_android_graphics_Typeface), 1130 REG_JNI(register_android_graphics_Xfermode), 1131 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1132 1133 REG_JNI(register_android_database_CursorWindow), 1134 REG_JNI(register_android_database_SQLiteDatabase), 1135 REG_JNI(register_android_database_SQLiteDebug), 1136 REG_JNI(register_android_database_SQLiteProgram), 1137 REG_JNI(register_android_database_SQLiteQuery), 1138 REG_JNI(register_android_database_SQLiteStatement), 1139 REG_JNI(register_android_os_Debug), 1140 REG_JNI(register_android_os_FileObserver), 1141 REG_JNI(register_android_os_FileUtils), 1142 REG_JNI(register_android_os_ParcelFileDescriptor), 1143 REG_JNI(register_android_os_Power), 1144 REG_JNI(register_android_os_StatFs), 1145 REG_JNI(register_android_os_SystemProperties), 1146 REG_JNI(register_android_os_UEventObserver), 1147 REG_JNI(register_android_net_LocalSocketImpl), 1148 REG_JNI(register_android_net_NetworkUtils), 1149 REG_JNI(register_android_net_wifi_WifiManager), 1150 REG_JNI(register_android_os_MemoryFile), 1151 REG_JNI(register_com_android_internal_os_ZygoteInit), 1152 REG_JNI(register_android_hardware_Camera), 1153 REG_JNI(register_android_hardware_SensorManager), 1154 REG_JNI(register_android_media_AudioRecord), 1155 REG_JNI(register_android_media_AudioSystem), 1156 REG_JNI(register_android_media_AudioTrack), 1157 REG_JNI(register_android_media_JetPlayer), 1158 REG_JNI(register_android_media_ToneGenerator), 1159 1160 REG_JNI(register_android_opengl_classes), 1161 REG_JNI(register_android_bluetooth_HeadsetBase), 1162 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1163 REG_JNI(register_android_bluetooth_BluetoothSocket), 1164 REG_JNI(register_android_bluetooth_ScoSocket), 1165 REG_JNI(register_android_server_BluetoothDeviceService), 1166 REG_JNI(register_android_server_BluetoothEventLoop), 1167 REG_JNI(register_android_server_BluetoothA2dpService), 1168 REG_JNI(register_android_message_digest_sha1), 1169 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1170 REG_JNI(register_android_util_Base64), 1171 REG_JNI(register_android_location_GpsLocationProvider), 1172 REG_JNI(register_android_backup_BackupDataInput), 1173 REG_JNI(register_android_backup_BackupDataOutput), 1174 REG_JNI(register_android_backup_FileBackupHelper), 1175}; 1176 1177/* 1178 * Register android native functions with the VM. 1179 */ 1180/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1181{ 1182 /* 1183 * This hook causes all future threads created in this process to be 1184 * attached to the JavaVM. (This needs to go away in favor of JNI 1185 * Attach calls.) 1186 */ 1187 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1188 1189 LOGD("--- registering native functions ---\n"); 1190 1191 /* 1192 * Every "register" function calls one or more things that return 1193 * a local reference (e.g. FindClass). Because we haven't really 1194 * started the VM yet, they're all getting stored in the base frame 1195 * and never released. Use Push/Pop to manage the storage. 1196 */ 1197 env->PushLocalFrame(200); 1198 1199 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1200 env->PopLocalFrame(NULL); 1201 return -1; 1202 } 1203 env->PopLocalFrame(NULL); 1204 1205 //createJavaThread("fubar", quickTest, (void*) "hello"); 1206 1207 return 0; 1208} 1209 1210AndroidRuntime* AndroidRuntime::getRuntime() 1211{ 1212 return gCurRuntime; 1213} 1214 1215/** 1216 * Used by WithFramework to register native functions. 1217 */ 1218extern "C" 1219jint Java_com_android_internal_util_WithFramework_registerNatives( 1220 JNIEnv* env, jclass clazz) { 1221 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1222} 1223 1224/** 1225 * Used by LoadClass to register native functions. 1226 */ 1227extern "C" 1228jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1229 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1230} 1231 1232} // namespace android 1233