AndroidRuntime.cpp revision 1cf587496fcb1d652bab9fc6792fb106b6fefaa4
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#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_Exec(JNIEnv *env); 134extern int register_android_os_SystemClock(JNIEnv* env); 135extern int register_android_os_FileObserver(JNIEnv *env); 136extern int register_android_os_FileUtils(JNIEnv *env); 137extern int register_android_os_UEventObserver(JNIEnv* env); 138extern int register_android_os_MemoryFile(JNIEnv* env); 139extern int register_android_net_LocalSocketImpl(JNIEnv* env); 140extern int register_android_net_NetworkUtils(JNIEnv* env); 141extern int register_android_net_wifi_WifiManager(JNIEnv* env); 142extern int register_android_security_Md5MessageDigest(JNIEnv *env); 143extern int register_android_text_AndroidCharacter(JNIEnv *env); 144extern int register_android_text_KeyCharacterMap(JNIEnv *env); 145extern int register_android_opengl_classes(JNIEnv *env); 146extern int register_android_bluetooth_Database(JNIEnv* env); 147extern int register_android_bluetooth_HeadsetBase(JNIEnv* env); 148extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env); 149extern int register_android_bluetooth_RfcommSocket(JNIEnv *env); 150extern int register_android_bluetooth_ScoSocket(JNIEnv *env); 151extern int register_android_server_BluetoothDeviceService(JNIEnv* env); 152extern int register_android_server_BluetoothEventLoop(JNIEnv *env); 153extern int register_android_server_BluetoothA2dpService(JNIEnv* env); 154extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env); 155extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env); 156extern int register_android_util_Base64(JNIEnv* env); 157extern int register_android_location_GpsLocationProvider(JNIEnv* env); 158extern int register_android_backup_BackupDataInput(JNIEnv *env); 159extern int register_android_backup_BackupDataOutput(JNIEnv *env); 160extern int register_android_backup_FileBackupHelper(JNIEnv *env); 161 162static AndroidRuntime* gCurRuntime = NULL; 163 164static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 165{ 166 if (jniThrowException(env, exc, msg) != 0) 167 assert(false); 168} 169 170/* 171 * Code written in the Java Programming Language calls here from main(). 172 */ 173static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 174{ 175 gCurRuntime->onStarted(); 176} 177 178static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 179{ 180 gCurRuntime->onZygoteInit(); 181} 182 183static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 184{ 185 return 1; 186} 187 188static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 189{ 190} 191 192static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 193{ 194 char* value = getenv("qwerty"); 195 if (value != NULL && strcmp(value, "true") == 0) { 196 return 1; 197 } 198 199 return 0; 200} 201 202/* 203 * JNI registration. 204 */ 205static JNINativeMethod gMethods[] = { 206 { "finishInit", "()V", 207 (void*) com_android_internal_os_RuntimeInit_finishInit }, 208 { "zygoteInitNative", "()V", 209 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 210 { "isComputerOn", "()I", 211 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 212 { "turnComputerOn", "()V", 213 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 214 { "getQwertyKeyboard", "()I", 215 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 216}; 217 218int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 219{ 220 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 221 gMethods, NELEM(gMethods)); 222} 223 224// ---------------------------------------------------------------------- 225 226/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 227 228 229AndroidRuntime::AndroidRuntime() 230{ 231 SkGraphics::Init(); 232 // this sets our preference for 16bit images during decode 233 // in case the src is opaque and 24bit 234 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 235 // This cache is shared between browser native images, and java "purgeable" 236 // bitmaps. This globalpool is for images that do not either use the java 237 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 238 // java call site. 239 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 240 // There is also a global font cache, but its budget is specified in code 241 // see SkFontHost_android.cpp 242 243 // Pre-allocate enough space to hold a fair number of options. 244 mOptions.setCapacity(20); 245 246 assert(gCurRuntime == NULL); // one per process 247 gCurRuntime = this; 248} 249 250AndroidRuntime::~AndroidRuntime() 251{ 252 SkGraphics::Term(); 253} 254 255/* 256 * Register native methods using JNI. 257 */ 258/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 259 const char* className, const JNINativeMethod* gMethods, int numMethods) 260{ 261 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 262} 263 264/* 265 * Call a static Java Programming Language function that takes no arguments and returns void. 266 */ 267status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 268{ 269 JNIEnv* env; 270 jclass clazz; 271 jmethodID methodId; 272 273 env = getJNIEnv(); 274 if (env == NULL) 275 return UNKNOWN_ERROR; 276 277 clazz = findClass(env, className); 278 if (clazz == NULL) { 279 LOGE("ERROR: could not find class '%s'\n", className); 280 return UNKNOWN_ERROR; 281 } 282 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 283 if (methodId == NULL) { 284 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 285 return UNKNOWN_ERROR; 286 } 287 288 env->CallStaticVoidMethod(clazz, methodId); 289 290 return NO_ERROR; 291} 292 293status_t AndroidRuntime::callMain( 294 const char* className, int argc, const char* const argv[]) 295{ 296 JNIEnv* env; 297 jclass clazz; 298 jmethodID methodId; 299 300 env = getJNIEnv(); 301 if (env == NULL) 302 return UNKNOWN_ERROR; 303 304 clazz = findClass(env, className); 305 if (clazz == NULL) { 306 LOGE("ERROR: could not find class '%s'\n", className); 307 return UNKNOWN_ERROR; 308 } 309 310 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 311 if (methodId == NULL) { 312 LOGE("ERROR: could not find method %s.main(String[])\n", className); 313 return UNKNOWN_ERROR; 314 } 315 316 /* 317 * We want to call main() with a String array with our arguments in it. 318 * Create an array and populate it. 319 */ 320 jclass stringClass; 321 jobjectArray strArray; 322 323 stringClass = env->FindClass("java/lang/String"); 324 strArray = env->NewObjectArray(argc, stringClass, NULL); 325 326 for (int i = 0; i < argc; i++) { 327 jstring argStr = env->NewStringUTF(argv[i]); 328 env->SetObjectArrayElement(strArray, i, argStr); 329 } 330 331 env->CallStaticVoidMethod(clazz, methodId, strArray); 332 return NO_ERROR; 333} 334 335/* 336 * Find the named class. 337 */ 338jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 339{ 340 char* convName = NULL; 341 342 if (env->ExceptionCheck()) { 343 LOGE("ERROR: exception pending on entry to findClass()\n"); 344 return NULL; 345 } 346 347 /* 348 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 349 * uses the dotted "binary name" format. We don't need to convert the 350 * name with the new approach. 351 */ 352#if 0 353 /* (convName only created if necessary -- use className) */ 354 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 355 if (*cp == '.') { 356 if (convName == NULL) { 357 convName = strdup(className); 358 cp = convName + (cp-className); 359 className = convName; 360 } 361 *cp = '/'; 362 } 363 } 364#endif 365 366 /* 367 * This is a little awkward because the JNI FindClass call uses the 368 * class loader associated with the native method we're executing in. 369 * Because this native method is part of a "boot" class, JNI doesn't 370 * look for the class in CLASSPATH, which unfortunately is a likely 371 * location for it. (Had we issued the FindClass call before calling 372 * into the VM -- at which point there isn't a native method frame on 373 * the stack -- the VM would have checked CLASSPATH. We have to do 374 * this because we call into Java Programming Language code and 375 * bounce back out.) 376 * 377 * JNI lacks a "find class in a specific class loader" operation, so we 378 * have to do things the hard way. 379 */ 380 jclass cls = NULL; 381 //cls = env->FindClass(className); 382 383 jclass javaLangClassLoader; 384 jmethodID getSystemClassLoader, loadClass; 385 jobject systemClassLoader; 386 jstring strClassName; 387 388 /* find the "system" class loader; none of this is expected to fail */ 389 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 390 assert(javaLangClassLoader != NULL); 391 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 392 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 393 loadClass = env->GetMethodID(javaLangClassLoader, 394 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 395 assert(getSystemClassLoader != NULL && loadClass != NULL); 396 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 397 getSystemClassLoader); 398 assert(systemClassLoader != NULL); 399 400 /* create an object for the class name string; alloc could fail */ 401 strClassName = env->NewStringUTF(className); 402 if (env->ExceptionCheck()) { 403 LOGE("ERROR: unable to convert '%s' to string\n", className); 404 goto bail; 405 } 406 LOGV("system class loader is %p, loading %p (%s)\n", 407 systemClassLoader, strClassName, className); 408 409 /* try to find the named class */ 410 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 411 strClassName); 412 if (env->ExceptionCheck()) { 413 LOGE("ERROR: unable to load class '%s' from %p\n", 414 className, systemClassLoader); 415 cls = NULL; 416 goto bail; 417 } 418 419bail: 420 free(convName); 421 return cls; 422} 423 424/* 425 * The VM calls this through the "exit" hook. 426 */ 427static void runtime_exit(int code) 428{ 429 gCurRuntime->onExit(code); 430 exit(code); 431} 432 433/* 434 * The VM calls this through the "vfprintf" hook. 435 * 436 * We ignore "fp" and just write the results to the log file. 437 */ 438static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 439{ 440 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 441} 442 443 444/** 445 * Add VM arguments to the to-be-executed VM 446 * Stops at first non '-' argument (also stops at an argument of '--') 447 * Returns the number of args consumed 448 */ 449int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 450{ 451 int i; 452 453 for (i = 0; i<argc; i++) { 454 if (argv[i][0] != '-') { 455 return i; 456 } 457 if (argv[i][1] == '-' && argv[i][2] == 0) { 458 return i+1; 459 } 460 461 JavaVMOption opt; 462 memset(&opt, 0, sizeof(opt)); 463 opt.optionString = (char*)argv[i]; 464 mOptions.add(opt); 465 } 466 return i; 467} 468 469static int hasDir(const char* dir) 470{ 471 struct stat s; 472 int res = stat(dir, &s); 473 if (res == 0) { 474 return S_ISDIR(s.st_mode); 475 } 476 return 0; 477} 478 479/* 480 * We just want failed write() calls to just return with an error. 481 */ 482static void blockSigpipe() 483{ 484 sigset_t mask; 485 486 sigemptyset(&mask); 487 sigaddset(&mask, SIGPIPE); 488 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 489 LOGW("WARNING: SIGPIPE not blocked\n"); 490} 491 492/* 493 * Read the persistent locale. 494 */ 495static void readLocale(char* language, char* region) 496{ 497 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 498 499 property_get("persist.sys.language", propLang, ""); 500 property_get("persist.sys.country", propRegn, ""); 501 if (*propLang == 0 && *propRegn == 0) { 502 /* Set to ro properties, default is en_US */ 503 property_get("ro.product.locale.language", propLang, "en"); 504 property_get("ro.product.locale.region", propRegn, "US"); 505 } 506 strncat(language, propLang, 2); 507 strncat(region, propRegn, 2); 508 //LOGD("language=%s region=%s\n", language, region); 509} 510 511void AndroidRuntime::start(const char* className, const bool startSystemServer) 512{ 513 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 514 515 JNIEnv* env; 516 JavaVMInitArgs initArgs; 517 JavaVMOption opt; 518 char propBuf[PROPERTY_VALUE_MAX]; 519 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 520 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 521 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 522 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 523 char* stackTraceFile = NULL; 524 char* slashClassName = NULL; 525 char* cp; 526 bool checkJni = false; 527 bool logStdio = false; 528 enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault; 529 530 blockSigpipe(); 531 532 /* 533 * 'startSystemServer == true' means runtime is obslete and not run from 534 * init.rc anymore, so we print out the boot start event here. 535 */ 536 if (startSystemServer) { 537 /* track our progress through the boot sequence */ 538 const int LOG_BOOT_PROGRESS_START = 3000; 539 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 540 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 541 } 542 543 property_get("dalvik.vm.checkjni", propBuf, ""); 544 if (strcmp(propBuf, "true") == 0) { 545 checkJni = true; 546 } else if (strcmp(propBuf, "false") != 0) { 547 /* property is neither true nor false; fall back on kernel parameter */ 548 property_get("ro.kernel.android.checkjni", propBuf, ""); 549 if (propBuf[0] == '1') { 550 checkJni = true; 551 } 552 } 553 554 property_get("dalvik.vm.execution-mode", propBuf, ""); 555 if (strcmp(propBuf, "int:portable") == 0) { 556 executionMode = kEMIntPortable; 557 } else if (strcmp(propBuf, "int:fast") == 0) { 558 executionMode = kEMIntFast; 559 } 560 561 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 562 563 property_get("log.redirect-stdio", propBuf, ""); 564 if (strcmp(propBuf, "true") == 0) { 565 logStdio = true; 566 } 567 568 strcpy(enableAssertBuf, "-ea:"); 569 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 570 571 strcpy(jniOptsBuf, "-Xjniopts:"); 572 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 573 574 const char* rootDir = getenv("ANDROID_ROOT"); 575 if (rootDir == NULL) { 576 rootDir = "/system"; 577 if (!hasDir("/system")) { 578 LOG_FATAL("No root directory specified, and /android does not exist."); 579 return; 580 } 581 setenv("ANDROID_ROOT", rootDir, 1); 582 } 583 584 const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 585 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 586 587 /* route exit() to our handler */ 588 opt.extraInfo = (void*) runtime_exit; 589 opt.optionString = "exit"; 590 mOptions.add(opt); 591 592 /* route fprintf() to our handler */ 593 opt.extraInfo = (void*) runtime_vfprintf; 594 opt.optionString = "vfprintf"; 595 mOptions.add(opt); 596 597 opt.extraInfo = NULL; 598 599 /* enable verbose; standard options are { jni, gc, class } */ 600 //options[curOpt++].optionString = "-verbose:jni"; 601 opt.optionString = "-verbose:gc"; 602 mOptions.add(opt); 603 //options[curOpt++].optionString = "-verbose:class"; 604 605#ifdef CUSTOM_RUNTIME_HEAP_MAX 606#define __make_max_heap_opt(val) #val 607#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val) 608 opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX); 609#undef __make_max_heap_opt 610#undef _make_max_heap_opt 611#else 612 /* limit memory use to 16MB */ 613 opt.optionString = "-Xmx16m"; 614#endif 615 mOptions.add(opt); 616 617 /* 618 * Enable or disable dexopt features, such as bytecode verification and 619 * calculation of register maps for precise GC. 620 */ 621 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 622 if (dexoptFlagsBuf[0] != '\0') { 623 const char* opc; 624 const char* val; 625 626 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 627 if (opc != NULL) { 628 switch (*(opc+2)) { 629 case 'n': val = "-Xverify:none"; break; 630 case 'r': val = "-Xverify:remote"; break; 631 case 'a': val = "-Xverify:all"; break; 632 default: val = NULL; break; 633 } 634 635 if (val != NULL) { 636 opt.optionString = val; 637 mOptions.add(opt); 638 } 639 } 640 641 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 642 if (opc != NULL) { 643 switch (*(opc+2)) { 644 case 'n': val = "-Xdexopt:none"; break; 645 case 'v': val = "-Xdexopt:verified"; break; 646 case 'a': val = "-Xdexopt:all"; break; 647 default: val = NULL; break; 648 } 649 650 if (val != NULL) { 651 opt.optionString = val; 652 mOptions.add(opt); 653 } 654 } 655 656 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 657 if (opc != NULL) { 658 opt.optionString = "-Xgenregmap"; 659 mOptions.add(opt); 660 } 661 } 662 663 /* enable debugging; set suspend=y to pause during VM init */ 664#ifdef HAVE_ANDROID_OS 665 /* use android ADB transport */ 666 opt.optionString = 667 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 668#else 669 /* use TCP socket; address=0 means start at port 8000 and probe up */ 670 LOGI("Using TCP socket for JDWP\n"); 671 opt.optionString = 672 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 673#endif 674 mOptions.add(opt); 675 676 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 677 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 678 if (strlen(propBuf) > 0) { 679 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 680 strcat(enableDPBuf, propBuf); 681 opt.optionString = enableDPBuf; 682 mOptions.add(opt); 683 } 684 685 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 686 if (checkJni) { 687 /* extended JNI checking */ 688 opt.optionString = "-Xcheck:jni"; 689 mOptions.add(opt); 690 691 /* set a cap on JNI global references */ 692 opt.optionString = "-Xjnigreflimit:2000"; 693 mOptions.add(opt); 694 695 /* with -Xcheck:jni, this provides a JNI function call trace */ 696 //opt.optionString = "-verbose:jni"; 697 //mOptions.add(opt); 698 } 699 if (executionMode == kEMIntPortable) { 700 opt.optionString = "-Xint:portable"; 701 mOptions.add(opt); 702 } else if (executionMode == kEMIntFast) { 703 opt.optionString = "-Xint:fast"; 704 mOptions.add(opt); 705 } 706 if (logStdio) { 707 /* convert stdout/stderr to log messages */ 708 opt.optionString = "-Xlog-stdio"; 709 mOptions.add(opt); 710 } 711 712 if (enableAssertBuf[4] != '\0') { 713 /* accept "all" to mean "all classes and packages" */ 714 if (strcmp(enableAssertBuf+4, "all") == 0) 715 enableAssertBuf[3] = '\0'; 716 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 717 opt.optionString = enableAssertBuf; 718 mOptions.add(opt); 719 } else { 720 LOGV("Assertions disabled\n"); 721 } 722 723 if (jniOptsBuf[10] != '\0') { 724 LOGI("JNI options: '%s'\n", jniOptsBuf); 725 opt.optionString = jniOptsBuf; 726 mOptions.add(opt); 727 } 728 729 if (stackTraceFileBuf[0] != '\0') { 730 static const char* stfOptName = "-Xstacktracefile:"; 731 732 stackTraceFile = (char*) malloc(strlen(stfOptName) + 733 strlen(stackTraceFileBuf) +1); 734 strcpy(stackTraceFile, stfOptName); 735 strcat(stackTraceFile, stackTraceFileBuf); 736 opt.optionString = stackTraceFile; 737 mOptions.add(opt); 738 } 739 740 /* Set the properties for locale */ 741 { 742 char langOption[sizeof("-Duser.language=") + 3]; 743 char regionOption[sizeof("-Duser.region=") + 3]; 744 strcpy(langOption, "-Duser.language="); 745 strcpy(regionOption, "-Duser.region="); 746 readLocale(langOption, regionOption); 747 opt.extraInfo = NULL; 748 opt.optionString = langOption; 749 mOptions.add(opt); 750 opt.optionString = regionOption; 751 mOptions.add(opt); 752 } 753 754 /* 755 * We don't have /tmp on the device, but we often have an SD card. Apps 756 * shouldn't use this, but some test suites might want to exercise it. 757 */ 758 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 759 mOptions.add(opt); 760 761 initArgs.version = JNI_VERSION_1_4; 762 initArgs.options = mOptions.editArray(); 763 initArgs.nOptions = mOptions.size(); 764 initArgs.ignoreUnrecognized = JNI_FALSE; 765 766 /* 767 * Initialize the VM. 768 * 769 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 770 * If this call succeeds, the VM is ready, and we can start issuing 771 * JNI calls. 772 */ 773 if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) { 774 LOGE("JNI_CreateJavaVM failed\n"); 775 goto bail; 776 } 777 778 /* 779 * Register android functions. 780 */ 781 if (startReg(env) < 0) { 782 LOGE("Unable to register all android natives\n"); 783 goto bail; 784 } 785 786 /* 787 * We want to call main() with a String array with arguments in it. 788 * At present we only have one argument, the class name. Create an 789 * array to hold it. 790 */ 791 jclass stringClass; 792 jobjectArray strArray; 793 jstring classNameStr; 794 jstring startSystemServerStr; 795 796 stringClass = env->FindClass("java/lang/String"); 797 assert(stringClass != NULL); 798 strArray = env->NewObjectArray(2, stringClass, NULL); 799 assert(strArray != NULL); 800 classNameStr = env->NewStringUTF(className); 801 assert(classNameStr != NULL); 802 env->SetObjectArrayElement(strArray, 0, classNameStr); 803 startSystemServerStr = env->NewStringUTF(startSystemServer ? 804 "true" : "false"); 805 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 806 807 /* 808 * Start VM. This thread becomes the main thread of the VM, and will 809 * not return until the VM exits. 810 */ 811 jclass startClass; 812 jmethodID startMeth; 813 814 slashClassName = strdup(className); 815 for (cp = slashClassName; *cp != '\0'; cp++) 816 if (*cp == '.') 817 *cp = '/'; 818 819 startClass = env->FindClass(slashClassName); 820 if (startClass == NULL) { 821 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 822 /* keep going */ 823 } else { 824 startMeth = env->GetStaticMethodID(startClass, "main", 825 "([Ljava/lang/String;)V"); 826 if (startMeth == NULL) { 827 LOGE("JavaVM unable to find main() in '%s'\n", className); 828 /* keep going */ 829 } else { 830 env->CallStaticVoidMethod(startClass, startMeth, strArray); 831 832#if 0 833 if (env->ExceptionCheck()) 834 threadExitUncaughtException(env); 835#endif 836 } 837 } 838 839 LOGD("Shutting down VM\n"); 840 if (mJavaVM->DetachCurrentThread() != JNI_OK) 841 LOGW("Warning: unable to detach main thread\n"); 842 if (mJavaVM->DestroyJavaVM() != 0) 843 LOGW("Warning: VM did not shut down cleanly\n"); 844 845bail: 846 free(slashClassName); 847 free(stackTraceFile); 848} 849 850void AndroidRuntime::start() 851{ 852 start("com.android.internal.os.RuntimeInit", 853 false /* Don't start the system server */); 854} 855 856void AndroidRuntime::onExit(int code) 857{ 858 LOGI("AndroidRuntime onExit calling exit(%d)", code); 859 exit(code); 860} 861 862/* 863 * Get the JNIEnv pointer for this thread. 864 * 865 * Returns NULL if the slot wasn't allocated or populated. 866 */ 867/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 868{ 869 JNIEnv* env; 870 JavaVM* vm = AndroidRuntime::getJavaVM(); 871 assert(vm != NULL); 872 873 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 874 return NULL; 875 return env; 876} 877 878/* 879 * Makes the current thread visible to the VM. 880 * 881 * The JNIEnv pointer returned is only valid for the current thread, and 882 * thus must be tucked into thread-local storage. 883 */ 884static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 885{ 886 JavaVMAttachArgs args; 887 JavaVM* vm; 888 jint result; 889 890 vm = AndroidRuntime::getJavaVM(); 891 assert(vm != NULL); 892 893 args.version = JNI_VERSION_1_4; 894 args.name = (char*) threadName; 895 args.group = NULL; 896 897 result = vm->AttachCurrentThread(pEnv, (void*) &args); 898 if (result != JNI_OK) 899 LOGE("ERROR: thread attach failed\n"); 900 901 return result; 902} 903 904/* 905 * Detach the current thread from the set visible to the VM. 906 */ 907static int javaDetachThread(void) 908{ 909 JavaVM* vm; 910 jint result; 911 912 vm = AndroidRuntime::getJavaVM(); 913 assert(vm != NULL); 914 915 result = vm->DetachCurrentThread(); 916 if (result != JNI_OK) 917 LOGE("ERROR: thread detach failed\n"); 918 return result; 919} 920 921/* 922 * When starting a native thread that will be visible from the VM, we 923 * bounce through this to get the right attach/detach action. 924 * Note that this function calls free(args) 925 */ 926/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 927 void* start = ((void**)args)[0]; 928 void* userData = ((void **)args)[1]; 929 char* name = (char*) ((void **)args)[2]; // we own this storage 930 free(args); 931 JNIEnv* env; 932 int result; 933 934 /* hook us into the VM */ 935 if (javaAttachThread(name, &env) != JNI_OK) 936 return -1; 937 938 /* start the thread running */ 939 result = (*(android_thread_func_t)start)(userData); 940 941 /* unhook us */ 942 javaDetachThread(); 943 free(name); 944 945 return result; 946} 947 948/* 949 * This is invoked from androidCreateThreadEtc() via the callback 950 * set with androidSetCreateThreadFunc(). 951 * 952 * We need to create the new thread in such a way that it gets hooked 953 * into the VM before it really starts executing. 954 */ 955/*static*/ int AndroidRuntime::javaCreateThreadEtc( 956 android_thread_func_t entryFunction, 957 void* userData, 958 const char* threadName, 959 int32_t threadPriority, 960 size_t threadStackSize, 961 android_thread_id_t* threadId) 962{ 963 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 964 int result; 965 966 assert(threadName != NULL); 967 968 args[0] = (void*) entryFunction; 969 args[1] = userData; 970 args[2] = (void*) strdup(threadName); // javaThreadShell must free 971 972 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 973 threadName, threadPriority, threadStackSize, threadId); 974 return result; 975} 976 977/* 978 * Create a thread that is visible from the VM. 979 * 980 * This is called from elsewhere in the library. 981 */ 982/*static*/ void AndroidRuntime::createJavaThread(const char* name, 983 void (*start)(void *), void* arg) 984{ 985 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 986 ANDROID_PRIORITY_DEFAULT, 0, NULL); 987} 988 989#if 0 990static void quickTest(void* arg) 991{ 992 const char* str = (const char*) arg; 993 994 printf("In quickTest: %s\n", str); 995} 996#endif 997 998#ifdef NDEBUG 999 #define REG_JNI(name) { name } 1000 struct RegJNIRec { 1001 int (*mProc)(JNIEnv*); 1002 }; 1003#else 1004 #define REG_JNI(name) { name, #name } 1005 struct RegJNIRec { 1006 int (*mProc)(JNIEnv*); 1007 const char* mName; 1008 }; 1009#endif 1010 1011typedef void (*RegJAMProc)(); 1012 1013static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1014{ 1015 for (size_t i = 0; i < count; i++) { 1016 if (array[i].mProc(env) < 0) { 1017#ifndef NDEBUG 1018 LOGD("----------!!! %s failed to load\n", array[i].mName); 1019#endif 1020 return -1; 1021 } 1022 } 1023 return 0; 1024} 1025 1026static void register_jam_procs(const RegJAMProc array[], size_t count) 1027{ 1028 for (size_t i = 0; i < count; i++) { 1029 array[i](); 1030 } 1031} 1032 1033static const RegJNIRec gRegJNI[] = { 1034 REG_JNI(register_android_debug_JNITest), 1035 REG_JNI(register_com_android_internal_os_RuntimeInit), 1036 REG_JNI(register_android_os_SystemClock), 1037 REG_JNI(register_android_util_EventLog), 1038 REG_JNI(register_android_util_Log), 1039 REG_JNI(register_android_util_FloatMath), 1040 REG_JNI(register_android_text_format_Time), 1041 REG_JNI(register_android_pim_EventRecurrence), 1042 REG_JNI(register_android_content_AssetManager), 1043 REG_JNI(register_android_content_StringBlock), 1044 REG_JNI(register_android_content_XmlBlock), 1045 REG_JNI(register_android_emoji_EmojiFactory), 1046 REG_JNI(register_android_security_Md5MessageDigest), 1047 REG_JNI(register_android_text_AndroidCharacter), 1048 REG_JNI(register_android_text_KeyCharacterMap), 1049 REG_JNI(register_android_os_Process), 1050 REG_JNI(register_android_os_Binder), 1051 REG_JNI(register_android_os_Hardware), 1052 REG_JNI(register_android_view_Display), 1053 REG_JNI(register_android_nio_utils), 1054 REG_JNI(register_android_graphics_PixelFormat), 1055 REG_JNI(register_android_graphics_Graphics), 1056 REG_JNI(register_android_view_Surface), 1057 REG_JNI(register_android_view_ViewRoot), 1058 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1059 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1060 REG_JNI(register_android_opengl_jni_GLES10), 1061 REG_JNI(register_android_opengl_jni_GLES10Ext), 1062 REG_JNI(register_android_opengl_jni_GLES11), 1063 REG_JNI(register_android_opengl_jni_GLES11Ext), 1064 1065 REG_JNI(register_android_graphics_Bitmap), 1066 REG_JNI(register_android_graphics_BitmapFactory), 1067 REG_JNI(register_android_graphics_Camera), 1068 REG_JNI(register_android_graphics_Canvas), 1069 REG_JNI(register_android_graphics_ColorFilter), 1070 REG_JNI(register_android_graphics_DrawFilter), 1071 REG_JNI(register_android_graphics_Interpolator), 1072 REG_JNI(register_android_graphics_LayerRasterizer), 1073 REG_JNI(register_android_graphics_MaskFilter), 1074 REG_JNI(register_android_graphics_Matrix), 1075 REG_JNI(register_android_graphics_Movie), 1076 REG_JNI(register_android_graphics_NinePatch), 1077 REG_JNI(register_android_graphics_Paint), 1078 REG_JNI(register_android_graphics_Path), 1079 REG_JNI(register_android_graphics_PathMeasure), 1080 REG_JNI(register_android_graphics_PathEffect), 1081 REG_JNI(register_android_graphics_Picture), 1082 REG_JNI(register_android_graphics_PorterDuff), 1083 REG_JNI(register_android_graphics_Rasterizer), 1084 REG_JNI(register_android_graphics_Region), 1085 REG_JNI(register_android_graphics_Shader), 1086 REG_JNI(register_android_graphics_Typeface), 1087 REG_JNI(register_android_graphics_Xfermode), 1088 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1089 1090 REG_JNI(register_android_database_CursorWindow), 1091 REG_JNI(register_android_database_SQLiteDatabase), 1092 REG_JNI(register_android_database_SQLiteDebug), 1093 REG_JNI(register_android_database_SQLiteProgram), 1094 REG_JNI(register_android_database_SQLiteQuery), 1095 REG_JNI(register_android_database_SQLiteStatement), 1096 REG_JNI(register_android_os_Debug), 1097 REG_JNI(register_android_os_Exec), 1098 REG_JNI(register_android_os_FileObserver), 1099 REG_JNI(register_android_os_FileUtils), 1100 REG_JNI(register_android_os_ParcelFileDescriptor), 1101 REG_JNI(register_android_os_Power), 1102 REG_JNI(register_android_os_StatFs), 1103 REG_JNI(register_android_os_SystemProperties), 1104 REG_JNI(register_android_os_UEventObserver), 1105 REG_JNI(register_android_net_LocalSocketImpl), 1106 REG_JNI(register_android_net_NetworkUtils), 1107 REG_JNI(register_android_net_wifi_WifiManager), 1108 REG_JNI(register_android_os_MemoryFile), 1109 REG_JNI(register_com_android_internal_os_ZygoteInit), 1110 REG_JNI(register_android_hardware_Camera), 1111 REG_JNI(register_android_hardware_SensorManager), 1112 REG_JNI(register_android_media_AudioRecord), 1113 REG_JNI(register_android_media_AudioSystem), 1114 REG_JNI(register_android_media_AudioTrack), 1115 REG_JNI(register_android_media_JetPlayer), 1116 REG_JNI(register_android_media_ToneGenerator), 1117 1118 REG_JNI(register_android_opengl_classes), 1119 REG_JNI(register_android_bluetooth_Database), 1120 REG_JNI(register_android_bluetooth_HeadsetBase), 1121 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1122 REG_JNI(register_android_bluetooth_RfcommSocket), 1123 REG_JNI(register_android_bluetooth_ScoSocket), 1124 REG_JNI(register_android_server_BluetoothDeviceService), 1125 REG_JNI(register_android_server_BluetoothEventLoop), 1126 REG_JNI(register_android_server_BluetoothA2dpService), 1127 REG_JNI(register_android_message_digest_sha1), 1128 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1129 REG_JNI(register_android_util_Base64), 1130 REG_JNI(register_android_location_GpsLocationProvider), 1131 REG_JNI(register_android_backup_BackupDataInput), 1132 REG_JNI(register_android_backup_BackupDataOutput), 1133 REG_JNI(register_android_backup_FileBackupHelper), 1134}; 1135 1136/* 1137 * Register android native functions with the VM. 1138 */ 1139/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1140{ 1141 /* 1142 * This hook causes all future threads created in this process to be 1143 * attached to the JavaVM. (This needs to go away in favor of JNI 1144 * Attach calls.) 1145 */ 1146 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1147 1148 LOGD("--- registering native functions ---\n"); 1149 1150 /* 1151 * Every "register" function calls one or more things that return 1152 * a local reference (e.g. FindClass). Because we haven't really 1153 * started the VM yet, they're all getting stored in the base frame 1154 * and never released. Use Push/Pop to manage the storage. 1155 */ 1156 env->PushLocalFrame(200); 1157 1158 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1159 env->PopLocalFrame(NULL); 1160 return -1; 1161 } 1162 env->PopLocalFrame(NULL); 1163 1164 //createJavaThread("fubar", quickTest, (void*) "hello"); 1165 1166 return 0; 1167} 1168 1169AndroidRuntime* AndroidRuntime::getRuntime() 1170{ 1171 return gCurRuntime; 1172} 1173 1174/** 1175 * Used by WithFramework to register native functions. 1176 */ 1177extern "C" 1178jint Java_com_android_internal_util_WithFramework_registerNatives( 1179 JNIEnv* env, jclass clazz) { 1180 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1181} 1182 1183/** 1184 * Used by LoadClass to register native functions. 1185 */ 1186extern "C" 1187jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1188 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1189} 1190 1191} // namespace android 1192