AndroidRuntime.cpp revision d2110dbce071a236b6176de344ca797b737542eb
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_BackupDataOutput(JNIEnv *env); 159extern int register_android_backup_FileBackupHelper(JNIEnv *env); 160 161static AndroidRuntime* gCurRuntime = NULL; 162 163static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL) 164{ 165 if (jniThrowException(env, exc, msg) != 0) 166 assert(false); 167} 168 169/* 170 * Code written in the Java Programming Language calls here from main(). 171 */ 172static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz) 173{ 174 gCurRuntime->onStarted(); 175} 176 177static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz) 178{ 179 gCurRuntime->onZygoteInit(); 180} 181 182static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz) 183{ 184 return 1; 185} 186 187static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz) 188{ 189} 190 191static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz) 192{ 193 char* value = getenv("qwerty"); 194 if (value != NULL && strcmp(value, "true") == 0) { 195 return 1; 196 } 197 198 return 0; 199} 200 201/* 202 * JNI registration. 203 */ 204static JNINativeMethod gMethods[] = { 205 { "finishInit", "()V", 206 (void*) com_android_internal_os_RuntimeInit_finishInit }, 207 { "zygoteInitNative", "()V", 208 (void*) com_android_internal_os_RuntimeInit_zygoteInit }, 209 { "isComputerOn", "()I", 210 (void*) com_android_internal_os_RuntimeInit_isComputerOn }, 211 { "turnComputerOn", "()V", 212 (void*) com_android_internal_os_RuntimeInit_turnComputerOn }, 213 { "getQwertyKeyboard", "()I", 214 (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard }, 215}; 216 217int register_com_android_internal_os_RuntimeInit(JNIEnv* env) 218{ 219 return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit", 220 gMethods, NELEM(gMethods)); 221} 222 223// ---------------------------------------------------------------------- 224 225/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL; 226 227 228AndroidRuntime::AndroidRuntime() 229{ 230 SkGraphics::Init(); 231 // this sets our preference for 16bit images during decode 232 // in case the src is opaque and 24bit 233 SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config); 234 // This cache is shared between browser native images, and java "purgeable" 235 // bitmaps. This globalpool is for images that do not either use the java 236 // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key 237 // java call site. 238 SkImageRef_GlobalPool::SetRAMBudget(512 * 1024); 239 // There is also a global font cache, but its budget is specified in code 240 // see SkFontHost_android.cpp 241 242 // Pre-allocate enough space to hold a fair number of options. 243 mOptions.setCapacity(20); 244 245 assert(gCurRuntime == NULL); // one per process 246 gCurRuntime = this; 247} 248 249AndroidRuntime::~AndroidRuntime() 250{ 251 SkGraphics::Term(); 252} 253 254/* 255 * Register native methods using JNI. 256 */ 257/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env, 258 const char* className, const JNINativeMethod* gMethods, int numMethods) 259{ 260 return jniRegisterNativeMethods(env, className, gMethods, numMethods); 261} 262 263/* 264 * Call a static Java Programming Language function that takes no arguments and returns void. 265 */ 266status_t AndroidRuntime::callStatic(const char* className, const char* methodName) 267{ 268 JNIEnv* env; 269 jclass clazz; 270 jmethodID methodId; 271 272 env = getJNIEnv(); 273 if (env == NULL) 274 return UNKNOWN_ERROR; 275 276 clazz = findClass(env, className); 277 if (clazz == NULL) { 278 LOGE("ERROR: could not find class '%s'\n", className); 279 return UNKNOWN_ERROR; 280 } 281 methodId = env->GetStaticMethodID(clazz, methodName, "()V"); 282 if (methodId == NULL) { 283 LOGE("ERROR: could not find method %s.%s\n", className, methodName); 284 return UNKNOWN_ERROR; 285 } 286 287 env->CallStaticVoidMethod(clazz, methodId); 288 289 return NO_ERROR; 290} 291 292status_t AndroidRuntime::callMain( 293 const char* className, int argc, const char* const argv[]) 294{ 295 JNIEnv* env; 296 jclass clazz; 297 jmethodID methodId; 298 299 env = getJNIEnv(); 300 if (env == NULL) 301 return UNKNOWN_ERROR; 302 303 clazz = findClass(env, className); 304 if (clazz == NULL) { 305 LOGE("ERROR: could not find class '%s'\n", className); 306 return UNKNOWN_ERROR; 307 } 308 309 methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V"); 310 if (methodId == NULL) { 311 LOGE("ERROR: could not find method %s.main(String[])\n", className); 312 return UNKNOWN_ERROR; 313 } 314 315 /* 316 * We want to call main() with a String array with our arguments in it. 317 * Create an array and populate it. 318 */ 319 jclass stringClass; 320 jobjectArray strArray; 321 322 stringClass = env->FindClass("java/lang/String"); 323 strArray = env->NewObjectArray(argc, stringClass, NULL); 324 325 for (int i = 0; i < argc; i++) { 326 jstring argStr = env->NewStringUTF(argv[i]); 327 env->SetObjectArrayElement(strArray, i, argStr); 328 } 329 330 env->CallStaticVoidMethod(clazz, methodId, strArray); 331 return NO_ERROR; 332} 333 334/* 335 * Find the named class. 336 */ 337jclass AndroidRuntime::findClass(JNIEnv* env, const char* className) 338{ 339 char* convName = NULL; 340 341 if (env->ExceptionCheck()) { 342 LOGE("ERROR: exception pending on entry to findClass()\n"); 343 return NULL; 344 } 345 346 /* 347 * JNI FindClass uses class names with slashes, but ClassLoader.loadClass 348 * uses the dotted "binary name" format. We don't need to convert the 349 * name with the new approach. 350 */ 351#if 0 352 /* (convName only created if necessary -- use className) */ 353 for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) { 354 if (*cp == '.') { 355 if (convName == NULL) { 356 convName = strdup(className); 357 cp = convName + (cp-className); 358 className = convName; 359 } 360 *cp = '/'; 361 } 362 } 363#endif 364 365 /* 366 * This is a little awkward because the JNI FindClass call uses the 367 * class loader associated with the native method we're executing in. 368 * Because this native method is part of a "boot" class, JNI doesn't 369 * look for the class in CLASSPATH, which unfortunately is a likely 370 * location for it. (Had we issued the FindClass call before calling 371 * into the VM -- at which point there isn't a native method frame on 372 * the stack -- the VM would have checked CLASSPATH. We have to do 373 * this because we call into Java Programming Language code and 374 * bounce back out.) 375 * 376 * JNI lacks a "find class in a specific class loader" operation, so we 377 * have to do things the hard way. 378 */ 379 jclass cls = NULL; 380 //cls = env->FindClass(className); 381 382 jclass javaLangClassLoader; 383 jmethodID getSystemClassLoader, loadClass; 384 jobject systemClassLoader; 385 jstring strClassName; 386 387 /* find the "system" class loader; none of this is expected to fail */ 388 javaLangClassLoader = env->FindClass("java/lang/ClassLoader"); 389 assert(javaLangClassLoader != NULL); 390 getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader, 391 "getSystemClassLoader", "()Ljava/lang/ClassLoader;"); 392 loadClass = env->GetMethodID(javaLangClassLoader, 393 "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 394 assert(getSystemClassLoader != NULL && loadClass != NULL); 395 systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader, 396 getSystemClassLoader); 397 assert(systemClassLoader != NULL); 398 399 /* create an object for the class name string; alloc could fail */ 400 strClassName = env->NewStringUTF(className); 401 if (env->ExceptionCheck()) { 402 LOGE("ERROR: unable to convert '%s' to string\n", className); 403 goto bail; 404 } 405 LOGV("system class loader is %p, loading %p (%s)\n", 406 systemClassLoader, strClassName, className); 407 408 /* try to find the named class */ 409 cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass, 410 strClassName); 411 if (env->ExceptionCheck()) { 412 LOGE("ERROR: unable to load class '%s' from %p\n", 413 className, systemClassLoader); 414 cls = NULL; 415 goto bail; 416 } 417 418bail: 419 free(convName); 420 return cls; 421} 422 423/* 424 * The VM calls this through the "exit" hook. 425 */ 426static void runtime_exit(int code) 427{ 428 gCurRuntime->onExit(code); 429 exit(code); 430} 431 432/* 433 * The VM calls this through the "vfprintf" hook. 434 * 435 * We ignore "fp" and just write the results to the log file. 436 */ 437static void runtime_vfprintf(FILE* fp, const char* format, va_list ap) 438{ 439 LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap); 440} 441 442 443/** 444 * Add VM arguments to the to-be-executed VM 445 * Stops at first non '-' argument (also stops at an argument of '--') 446 * Returns the number of args consumed 447 */ 448int AndroidRuntime::addVmArguments(int argc, const char* const argv[]) 449{ 450 int i; 451 452 for (i = 0; i<argc; i++) { 453 if (argv[i][0] != '-') { 454 return i; 455 } 456 if (argv[i][1] == '-' && argv[i][2] == 0) { 457 return i+1; 458 } 459 460 JavaVMOption opt; 461 memset(&opt, 0, sizeof(opt)); 462 opt.optionString = (char*)argv[i]; 463 mOptions.add(opt); 464 } 465 return i; 466} 467 468static int hasDir(const char* dir) 469{ 470 struct stat s; 471 int res = stat(dir, &s); 472 if (res == 0) { 473 return S_ISDIR(s.st_mode); 474 } 475 return 0; 476} 477 478/* 479 * We just want failed write() calls to just return with an error. 480 */ 481static void blockSigpipe() 482{ 483 sigset_t mask; 484 485 sigemptyset(&mask); 486 sigaddset(&mask, SIGPIPE); 487 if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0) 488 LOGW("WARNING: SIGPIPE not blocked\n"); 489} 490 491/* 492 * Read the persistent locale. 493 */ 494static void readLocale(char* language, char* region) 495{ 496 char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX]; 497 498 property_get("persist.sys.language", propLang, ""); 499 property_get("persist.sys.country", propRegn, ""); 500 if (*propLang == 0 && *propRegn == 0) { 501 /* Set to ro properties, default is en_US */ 502 property_get("ro.product.locale.language", propLang, "en"); 503 property_get("ro.product.locale.region", propRegn, "US"); 504 } 505 strncat(language, propLang, 2); 506 strncat(region, propRegn, 2); 507 //LOGD("language=%s region=%s\n", language, region); 508} 509 510void AndroidRuntime::start(const char* className, const bool startSystemServer) 511{ 512 LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n"); 513 514 JNIEnv* env; 515 JavaVMInitArgs initArgs; 516 JavaVMOption opt; 517 char propBuf[PROPERTY_VALUE_MAX]; 518 char stackTraceFileBuf[PROPERTY_VALUE_MAX]; 519 char dexoptFlagsBuf[PROPERTY_VALUE_MAX]; 520 char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX]; 521 char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX]; 522 char* stackTraceFile = NULL; 523 char* slashClassName = NULL; 524 char* cp; 525 bool checkJni = false; 526 bool logStdio = false; 527 enum { kEMDefault, kEMIntPortable, kEMIntFast } executionMode = kEMDefault; 528 529 blockSigpipe(); 530 531 /* 532 * 'startSystemServer == true' means runtime is obslete and not run from 533 * init.rc anymore, so we print out the boot start event here. 534 */ 535 if (startSystemServer) { 536 /* track our progress through the boot sequence */ 537 const int LOG_BOOT_PROGRESS_START = 3000; 538 LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, 539 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC))); 540 } 541 542 property_get("dalvik.vm.checkjni", propBuf, ""); 543 if (strcmp(propBuf, "true") == 0) { 544 checkJni = true; 545 } else if (strcmp(propBuf, "false") != 0) { 546 /* property is neither true nor false; fall back on kernel parameter */ 547 property_get("ro.kernel.android.checkjni", propBuf, ""); 548 if (propBuf[0] == '1') { 549 checkJni = true; 550 } 551 } 552 553 property_get("dalvik.vm.execution-mode", propBuf, ""); 554 if (strcmp(propBuf, "int:portable") == 0) { 555 executionMode = kEMIntPortable; 556 } else if (strcmp(propBuf, "int:fast") == 0) { 557 executionMode = kEMIntFast; 558 } 559 560 property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, ""); 561 562 property_get("log.redirect-stdio", propBuf, ""); 563 if (strcmp(propBuf, "true") == 0) { 564 logStdio = true; 565 } 566 567 strcpy(enableAssertBuf, "-ea:"); 568 property_get("dalvik.vm.enableassertions", enableAssertBuf+4, ""); 569 570 strcpy(jniOptsBuf, "-Xjniopts:"); 571 property_get("dalvik.vm.jniopts", jniOptsBuf+10, ""); 572 573 const char* rootDir = getenv("ANDROID_ROOT"); 574 if (rootDir == NULL) { 575 rootDir = "/system"; 576 if (!hasDir("/system")) { 577 LOG_FATAL("No root directory specified, and /android does not exist."); 578 return; 579 } 580 setenv("ANDROID_ROOT", rootDir, 1); 581 } 582 583 const char* kernelHack = getenv("LD_ASSUME_KERNEL"); 584 //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack); 585 586 /* route exit() to our handler */ 587 opt.extraInfo = (void*) runtime_exit; 588 opt.optionString = "exit"; 589 mOptions.add(opt); 590 591 /* route fprintf() to our handler */ 592 opt.extraInfo = (void*) runtime_vfprintf; 593 opt.optionString = "vfprintf"; 594 mOptions.add(opt); 595 596 opt.extraInfo = NULL; 597 598 /* enable verbose; standard options are { jni, gc, class } */ 599 //options[curOpt++].optionString = "-verbose:jni"; 600 opt.optionString = "-verbose:gc"; 601 mOptions.add(opt); 602 //options[curOpt++].optionString = "-verbose:class"; 603 604#ifdef CUSTOM_RUNTIME_HEAP_MAX 605#define __make_max_heap_opt(val) #val 606#define _make_max_heap_opt(val) "-Xmx" __make_max_heap_opt(val) 607 opt.optionString = _make_max_heap_opt(CUSTOM_RUNTIME_HEAP_MAX); 608#undef __make_max_heap_opt 609#undef _make_max_heap_opt 610#else 611 /* limit memory use to 16MB */ 612 opt.optionString = "-Xmx16m"; 613#endif 614 mOptions.add(opt); 615 616 /* 617 * Enable or disable dexopt features, such as bytecode verification and 618 * calculation of register maps for precise GC. 619 */ 620 property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, ""); 621 if (dexoptFlagsBuf[0] != '\0') { 622 const char* opc; 623 const char* val; 624 625 opc = strstr(dexoptFlagsBuf, "v="); /* verification */ 626 if (opc != NULL) { 627 switch (*(opc+2)) { 628 case 'n': val = "-Xverify:none"; break; 629 case 'r': val = "-Xverify:remote"; break; 630 case 'a': val = "-Xverify:all"; break; 631 default: val = NULL; break; 632 } 633 634 if (val != NULL) { 635 opt.optionString = val; 636 mOptions.add(opt); 637 } 638 } 639 640 opc = strstr(dexoptFlagsBuf, "o="); /* optimization */ 641 if (opc != NULL) { 642 switch (*(opc+2)) { 643 case 'n': val = "-Xdexopt:none"; break; 644 case 'v': val = "-Xdexopt:verified"; break; 645 case 'a': val = "-Xdexopt:all"; break; 646 default: val = NULL; break; 647 } 648 649 if (val != NULL) { 650 opt.optionString = val; 651 mOptions.add(opt); 652 } 653 } 654 655 opc = strstr(dexoptFlagsBuf, "m=y"); /* register map */ 656 if (opc != NULL) { 657 opt.optionString = "-Xgenregmap"; 658 mOptions.add(opt); 659 } 660 } 661 662 /* enable debugging; set suspend=y to pause during VM init */ 663#ifdef HAVE_ANDROID_OS 664 /* use android ADB transport */ 665 opt.optionString = 666 "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y"; 667#else 668 /* use TCP socket; address=0 means start at port 8000 and probe up */ 669 LOGI("Using TCP socket for JDWP\n"); 670 opt.optionString = 671 "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0"; 672#endif 673 mOptions.add(opt); 674 675 char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX]; 676 property_get("dalvik.vm.deadlock-predict", propBuf, ""); 677 if (strlen(propBuf) > 0) { 678 strcpy(enableDPBuf, "-Xdeadlockpredict:"); 679 strcat(enableDPBuf, propBuf); 680 opt.optionString = enableDPBuf; 681 mOptions.add(opt); 682 } 683 684 LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF"); 685 if (checkJni) { 686 /* extended JNI checking */ 687 opt.optionString = "-Xcheck:jni"; 688 mOptions.add(opt); 689 690 /* set a cap on JNI global references */ 691 opt.optionString = "-Xjnigreflimit:2000"; 692 mOptions.add(opt); 693 694 /* with -Xcheck:jni, this provides a JNI function call trace */ 695 //opt.optionString = "-verbose:jni"; 696 //mOptions.add(opt); 697 } 698 if (executionMode == kEMIntPortable) { 699 opt.optionString = "-Xint:portable"; 700 mOptions.add(opt); 701 } else if (executionMode == kEMIntFast) { 702 opt.optionString = "-Xint:fast"; 703 mOptions.add(opt); 704 } 705 if (logStdio) { 706 /* convert stdout/stderr to log messages */ 707 opt.optionString = "-Xlog-stdio"; 708 mOptions.add(opt); 709 } 710 711 if (enableAssertBuf[4] != '\0') { 712 /* accept "all" to mean "all classes and packages" */ 713 if (strcmp(enableAssertBuf+4, "all") == 0) 714 enableAssertBuf[3] = '\0'; 715 LOGI("Assertions enabled: '%s'\n", enableAssertBuf); 716 opt.optionString = enableAssertBuf; 717 mOptions.add(opt); 718 } else { 719 LOGV("Assertions disabled\n"); 720 } 721 722 if (jniOptsBuf[10] != '\0') { 723 LOGI("JNI options: '%s'\n", jniOptsBuf); 724 opt.optionString = jniOptsBuf; 725 mOptions.add(opt); 726 } 727 728 if (stackTraceFileBuf[0] != '\0') { 729 static const char* stfOptName = "-Xstacktracefile:"; 730 731 stackTraceFile = (char*) malloc(strlen(stfOptName) + 732 strlen(stackTraceFileBuf) +1); 733 strcpy(stackTraceFile, stfOptName); 734 strcat(stackTraceFile, stackTraceFileBuf); 735 opt.optionString = stackTraceFile; 736 mOptions.add(opt); 737 } 738 739 /* Set the properties for locale */ 740 { 741 char langOption[sizeof("-Duser.language=") + 3]; 742 char regionOption[sizeof("-Duser.region=") + 3]; 743 strcpy(langOption, "-Duser.language="); 744 strcpy(regionOption, "-Duser.region="); 745 readLocale(langOption, regionOption); 746 opt.extraInfo = NULL; 747 opt.optionString = langOption; 748 mOptions.add(opt); 749 opt.optionString = regionOption; 750 mOptions.add(opt); 751 } 752 753 /* 754 * We don't have /tmp on the device, but we often have an SD card. Apps 755 * shouldn't use this, but some test suites might want to exercise it. 756 */ 757 opt.optionString = "-Djava.io.tmpdir=/sdcard"; 758 mOptions.add(opt); 759 760 initArgs.version = JNI_VERSION_1_4; 761 initArgs.options = mOptions.editArray(); 762 initArgs.nOptions = mOptions.size(); 763 initArgs.ignoreUnrecognized = JNI_FALSE; 764 765 /* 766 * Initialize the VM. 767 * 768 * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread. 769 * If this call succeeds, the VM is ready, and we can start issuing 770 * JNI calls. 771 */ 772 if (JNI_CreateJavaVM(&mJavaVM, &env, &initArgs) < 0) { 773 LOGE("JNI_CreateJavaVM failed\n"); 774 goto bail; 775 } 776 777 /* 778 * Register android functions. 779 */ 780 if (startReg(env) < 0) { 781 LOGE("Unable to register all android natives\n"); 782 goto bail; 783 } 784 785 /* 786 * We want to call main() with a String array with arguments in it. 787 * At present we only have one argument, the class name. Create an 788 * array to hold it. 789 */ 790 jclass stringClass; 791 jobjectArray strArray; 792 jstring classNameStr; 793 jstring startSystemServerStr; 794 795 stringClass = env->FindClass("java/lang/String"); 796 assert(stringClass != NULL); 797 strArray = env->NewObjectArray(2, stringClass, NULL); 798 assert(strArray != NULL); 799 classNameStr = env->NewStringUTF(className); 800 assert(classNameStr != NULL); 801 env->SetObjectArrayElement(strArray, 0, classNameStr); 802 startSystemServerStr = env->NewStringUTF(startSystemServer ? 803 "true" : "false"); 804 env->SetObjectArrayElement(strArray, 1, startSystemServerStr); 805 806 /* 807 * Start VM. This thread becomes the main thread of the VM, and will 808 * not return until the VM exits. 809 */ 810 jclass startClass; 811 jmethodID startMeth; 812 813 slashClassName = strdup(className); 814 for (cp = slashClassName; *cp != '\0'; cp++) 815 if (*cp == '.') 816 *cp = '/'; 817 818 startClass = env->FindClass(slashClassName); 819 if (startClass == NULL) { 820 LOGE("JavaVM unable to locate class '%s'\n", slashClassName); 821 /* keep going */ 822 } else { 823 startMeth = env->GetStaticMethodID(startClass, "main", 824 "([Ljava/lang/String;)V"); 825 if (startMeth == NULL) { 826 LOGE("JavaVM unable to find main() in '%s'\n", className); 827 /* keep going */ 828 } else { 829 env->CallStaticVoidMethod(startClass, startMeth, strArray); 830 831#if 0 832 if (env->ExceptionCheck()) 833 threadExitUncaughtException(env); 834#endif 835 } 836 } 837 838 LOGD("Shutting down VM\n"); 839 if (mJavaVM->DetachCurrentThread() != JNI_OK) 840 LOGW("Warning: unable to detach main thread\n"); 841 if (mJavaVM->DestroyJavaVM() != 0) 842 LOGW("Warning: VM did not shut down cleanly\n"); 843 844bail: 845 free(slashClassName); 846 free(stackTraceFile); 847} 848 849void AndroidRuntime::start() 850{ 851 start("com.android.internal.os.RuntimeInit", 852 false /* Don't start the system server */); 853} 854 855void AndroidRuntime::onExit(int code) 856{ 857 LOGI("AndroidRuntime onExit calling exit(%d)", code); 858 exit(code); 859} 860 861/* 862 * Get the JNIEnv pointer for this thread. 863 * 864 * Returns NULL if the slot wasn't allocated or populated. 865 */ 866/*static*/ JNIEnv* AndroidRuntime::getJNIEnv() 867{ 868 JNIEnv* env; 869 JavaVM* vm = AndroidRuntime::getJavaVM(); 870 assert(vm != NULL); 871 872 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) 873 return NULL; 874 return env; 875} 876 877/* 878 * Makes the current thread visible to the VM. 879 * 880 * The JNIEnv pointer returned is only valid for the current thread, and 881 * thus must be tucked into thread-local storage. 882 */ 883static int javaAttachThread(const char* threadName, JNIEnv** pEnv) 884{ 885 JavaVMAttachArgs args; 886 JavaVM* vm; 887 jint result; 888 889 vm = AndroidRuntime::getJavaVM(); 890 assert(vm != NULL); 891 892 args.version = JNI_VERSION_1_4; 893 args.name = (char*) threadName; 894 args.group = NULL; 895 896 result = vm->AttachCurrentThread(pEnv, (void*) &args); 897 if (result != JNI_OK) 898 LOGE("ERROR: thread attach failed\n"); 899 900 return result; 901} 902 903/* 904 * Detach the current thread from the set visible to the VM. 905 */ 906static int javaDetachThread(void) 907{ 908 JavaVM* vm; 909 jint result; 910 911 vm = AndroidRuntime::getJavaVM(); 912 assert(vm != NULL); 913 914 result = vm->DetachCurrentThread(); 915 if (result != JNI_OK) 916 LOGE("ERROR: thread detach failed\n"); 917 return result; 918} 919 920/* 921 * When starting a native thread that will be visible from the VM, we 922 * bounce through this to get the right attach/detach action. 923 * Note that this function calls free(args) 924 */ 925/*static*/ int AndroidRuntime::javaThreadShell(void* args) { 926 void* start = ((void**)args)[0]; 927 void* userData = ((void **)args)[1]; 928 char* name = (char*) ((void **)args)[2]; // we own this storage 929 free(args); 930 JNIEnv* env; 931 int result; 932 933 /* hook us into the VM */ 934 if (javaAttachThread(name, &env) != JNI_OK) 935 return -1; 936 937 /* start the thread running */ 938 result = (*(android_thread_func_t)start)(userData); 939 940 /* unhook us */ 941 javaDetachThread(); 942 free(name); 943 944 return result; 945} 946 947/* 948 * This is invoked from androidCreateThreadEtc() via the callback 949 * set with androidSetCreateThreadFunc(). 950 * 951 * We need to create the new thread in such a way that it gets hooked 952 * into the VM before it really starts executing. 953 */ 954/*static*/ int AndroidRuntime::javaCreateThreadEtc( 955 android_thread_func_t entryFunction, 956 void* userData, 957 const char* threadName, 958 int32_t threadPriority, 959 size_t threadStackSize, 960 android_thread_id_t* threadId) 961{ 962 void** args = (void**) malloc(3 * sizeof(void*)); // javaThreadShell must free 963 int result; 964 965 assert(threadName != NULL); 966 967 args[0] = (void*) entryFunction; 968 args[1] = userData; 969 args[2] = (void*) strdup(threadName); // javaThreadShell must free 970 971 result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args, 972 threadName, threadPriority, threadStackSize, threadId); 973 return result; 974} 975 976/* 977 * Create a thread that is visible from the VM. 978 * 979 * This is called from elsewhere in the library. 980 */ 981/*static*/ void AndroidRuntime::createJavaThread(const char* name, 982 void (*start)(void *), void* arg) 983{ 984 javaCreateThreadEtc((android_thread_func_t) start, arg, name, 985 ANDROID_PRIORITY_DEFAULT, 0, NULL); 986} 987 988#if 0 989static void quickTest(void* arg) 990{ 991 const char* str = (const char*) arg; 992 993 printf("In quickTest: %s\n", str); 994} 995#endif 996 997#ifdef NDEBUG 998 #define REG_JNI(name) { name } 999 struct RegJNIRec { 1000 int (*mProc)(JNIEnv*); 1001 }; 1002#else 1003 #define REG_JNI(name) { name, #name } 1004 struct RegJNIRec { 1005 int (*mProc)(JNIEnv*); 1006 const char* mName; 1007 }; 1008#endif 1009 1010typedef void (*RegJAMProc)(); 1011 1012static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) 1013{ 1014 for (size_t i = 0; i < count; i++) { 1015 if (array[i].mProc(env) < 0) { 1016#ifndef NDEBUG 1017 LOGD("----------!!! %s failed to load\n", array[i].mName); 1018#endif 1019 return -1; 1020 } 1021 } 1022 return 0; 1023} 1024 1025static void register_jam_procs(const RegJAMProc array[], size_t count) 1026{ 1027 for (size_t i = 0; i < count; i++) { 1028 array[i](); 1029 } 1030} 1031 1032static const RegJNIRec gRegJNI[] = { 1033 REG_JNI(register_android_debug_JNITest), 1034 REG_JNI(register_com_android_internal_os_RuntimeInit), 1035 REG_JNI(register_android_os_SystemClock), 1036 REG_JNI(register_android_util_EventLog), 1037 REG_JNI(register_android_util_Log), 1038 REG_JNI(register_android_util_FloatMath), 1039 REG_JNI(register_android_text_format_Time), 1040 REG_JNI(register_android_pim_EventRecurrence), 1041 REG_JNI(register_android_content_AssetManager), 1042 REG_JNI(register_android_content_StringBlock), 1043 REG_JNI(register_android_content_XmlBlock), 1044 REG_JNI(register_android_emoji_EmojiFactory), 1045 REG_JNI(register_android_security_Md5MessageDigest), 1046 REG_JNI(register_android_text_AndroidCharacter), 1047 REG_JNI(register_android_text_KeyCharacterMap), 1048 REG_JNI(register_android_os_Process), 1049 REG_JNI(register_android_os_Binder), 1050 REG_JNI(register_android_os_Hardware), 1051 REG_JNI(register_android_view_Display), 1052 REG_JNI(register_android_nio_utils), 1053 REG_JNI(register_android_graphics_PixelFormat), 1054 REG_JNI(register_android_graphics_Graphics), 1055 REG_JNI(register_android_view_Surface), 1056 REG_JNI(register_android_view_ViewRoot), 1057 REG_JNI(register_com_google_android_gles_jni_EGLImpl), 1058 REG_JNI(register_com_google_android_gles_jni_GLImpl), 1059 REG_JNI(register_android_opengl_jni_GLES10), 1060 REG_JNI(register_android_opengl_jni_GLES10Ext), 1061 REG_JNI(register_android_opengl_jni_GLES11), 1062 REG_JNI(register_android_opengl_jni_GLES11Ext), 1063 1064 REG_JNI(register_android_graphics_Bitmap), 1065 REG_JNI(register_android_graphics_BitmapFactory), 1066 REG_JNI(register_android_graphics_Camera), 1067 REG_JNI(register_android_graphics_Canvas), 1068 REG_JNI(register_android_graphics_ColorFilter), 1069 REG_JNI(register_android_graphics_DrawFilter), 1070 REG_JNI(register_android_graphics_Interpolator), 1071 REG_JNI(register_android_graphics_LayerRasterizer), 1072 REG_JNI(register_android_graphics_MaskFilter), 1073 REG_JNI(register_android_graphics_Matrix), 1074 REG_JNI(register_android_graphics_Movie), 1075 REG_JNI(register_android_graphics_NinePatch), 1076 REG_JNI(register_android_graphics_Paint), 1077 REG_JNI(register_android_graphics_Path), 1078 REG_JNI(register_android_graphics_PathMeasure), 1079 REG_JNI(register_android_graphics_PathEffect), 1080 REG_JNI(register_android_graphics_Picture), 1081 REG_JNI(register_android_graphics_PorterDuff), 1082 REG_JNI(register_android_graphics_Rasterizer), 1083 REG_JNI(register_android_graphics_Region), 1084 REG_JNI(register_android_graphics_Shader), 1085 REG_JNI(register_android_graphics_Typeface), 1086 REG_JNI(register_android_graphics_Xfermode), 1087 REG_JNI(register_com_android_internal_graphics_NativeUtils), 1088 1089 REG_JNI(register_android_database_CursorWindow), 1090 REG_JNI(register_android_database_SQLiteDatabase), 1091 REG_JNI(register_android_database_SQLiteDebug), 1092 REG_JNI(register_android_database_SQLiteProgram), 1093 REG_JNI(register_android_database_SQLiteQuery), 1094 REG_JNI(register_android_database_SQLiteStatement), 1095 REG_JNI(register_android_os_Debug), 1096 REG_JNI(register_android_os_Exec), 1097 REG_JNI(register_android_os_FileObserver), 1098 REG_JNI(register_android_os_FileUtils), 1099 REG_JNI(register_android_os_ParcelFileDescriptor), 1100 REG_JNI(register_android_os_Power), 1101 REG_JNI(register_android_os_StatFs), 1102 REG_JNI(register_android_os_SystemProperties), 1103 REG_JNI(register_android_os_UEventObserver), 1104 REG_JNI(register_android_net_LocalSocketImpl), 1105 REG_JNI(register_android_net_NetworkUtils), 1106 REG_JNI(register_android_net_wifi_WifiManager), 1107 REG_JNI(register_android_os_MemoryFile), 1108 REG_JNI(register_com_android_internal_os_ZygoteInit), 1109 REG_JNI(register_android_hardware_Camera), 1110 REG_JNI(register_android_hardware_SensorManager), 1111 REG_JNI(register_android_media_AudioRecord), 1112 REG_JNI(register_android_media_AudioSystem), 1113 REG_JNI(register_android_media_AudioTrack), 1114 REG_JNI(register_android_media_JetPlayer), 1115 REG_JNI(register_android_media_ToneGenerator), 1116 1117 REG_JNI(register_android_opengl_classes), 1118 REG_JNI(register_android_bluetooth_Database), 1119 REG_JNI(register_android_bluetooth_HeadsetBase), 1120 REG_JNI(register_android_bluetooth_BluetoothAudioGateway), 1121 REG_JNI(register_android_bluetooth_RfcommSocket), 1122 REG_JNI(register_android_bluetooth_ScoSocket), 1123 REG_JNI(register_android_server_BluetoothDeviceService), 1124 REG_JNI(register_android_server_BluetoothEventLoop), 1125 REG_JNI(register_android_server_BluetoothA2dpService), 1126 REG_JNI(register_android_message_digest_sha1), 1127 REG_JNI(register_android_ddm_DdmHandleNativeHeap), 1128 REG_JNI(register_android_util_Base64), 1129 REG_JNI(register_android_location_GpsLocationProvider), 1130 REG_JNI(register_android_backup_BackupDataOutput), 1131 REG_JNI(register_android_backup_FileBackupHelper), 1132}; 1133 1134/* 1135 * Register android native functions with the VM. 1136 */ 1137/*static*/ int AndroidRuntime::startReg(JNIEnv* env) 1138{ 1139 /* 1140 * This hook causes all future threads created in this process to be 1141 * attached to the JavaVM. (This needs to go away in favor of JNI 1142 * Attach calls.) 1143 */ 1144 androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc); 1145 1146 LOGD("--- registering native functions ---\n"); 1147 1148 /* 1149 * Every "register" function calls one or more things that return 1150 * a local reference (e.g. FindClass). Because we haven't really 1151 * started the VM yet, they're all getting stored in the base frame 1152 * and never released. Use Push/Pop to manage the storage. 1153 */ 1154 env->PushLocalFrame(200); 1155 1156 if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) { 1157 env->PopLocalFrame(NULL); 1158 return -1; 1159 } 1160 env->PopLocalFrame(NULL); 1161 1162 //createJavaThread("fubar", quickTest, (void*) "hello"); 1163 1164 return 0; 1165} 1166 1167AndroidRuntime* AndroidRuntime::getRuntime() 1168{ 1169 return gCurRuntime; 1170} 1171 1172/** 1173 * Used by WithFramework to register native functions. 1174 */ 1175extern "C" 1176jint Java_com_android_internal_util_WithFramework_registerNatives( 1177 JNIEnv* env, jclass clazz) { 1178 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1179} 1180 1181/** 1182 * Used by LoadClass to register native functions. 1183 */ 1184extern "C" 1185jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) { 1186 return register_jni_procs(gRegJNI, NELEM(gRegJNI), env); 1187} 1188 1189} // namespace android 1190