AndroidRuntime.cpp revision c07fca3831baf4d812dd724f506b4ed23dcc39e0 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "AndroidRuntime"
18//#define LOG_NDEBUG 0
19
20#include <android_runtime/AndroidRuntime.h>
21#include <binder/IBinder.h>
22#include <binder/IPCThreadState.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_BitmapRegionDecoder(JNIEnv*);
57extern int register_android_graphics_Camera(JNIEnv* env);
58extern int register_android_graphics_Graphics(JNIEnv* env);
59extern int register_android_graphics_Interpolator(JNIEnv* env);
60extern int register_android_graphics_LayerRasterizer(JNIEnv*);
61extern int register_android_graphics_MaskFilter(JNIEnv* env);
62extern int register_android_graphics_Movie(JNIEnv* env);
63extern int register_android_graphics_NinePatch(JNIEnv*);
64extern int register_android_graphics_PathEffect(JNIEnv* env);
65extern int register_android_graphics_Shader(JNIEnv* env);
66extern int register_android_graphics_Typeface(JNIEnv* env);
67extern int register_android_graphics_YuvImage(JNIEnv* env);
68
69extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
70extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
71extern int register_android_opengl_jni_GLES10(JNIEnv* env);
72extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
73extern int register_android_opengl_jni_GLES11(JNIEnv* env);
74extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
75extern int register_android_opengl_jni_GLES20(JNIEnv* env);
76
77extern int register_android_hardware_Camera(JNIEnv *env);
78extern int register_android_hardware_SensorManager(JNIEnv *env);
79extern int register_android_hardware_UsbDevice(JNIEnv *env);
80extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
81extern int register_android_hardware_UsbRequest(JNIEnv *env);
82
83extern int register_android_media_AudioRecord(JNIEnv *env);
84extern int register_android_media_AudioSystem(JNIEnv *env);
85extern int register_android_media_AudioTrack(JNIEnv *env);
86extern int register_android_media_JetPlayer(JNIEnv *env);
87extern int register_android_media_ToneGenerator(JNIEnv *env);
88
89extern int register_android_util_FloatMath(JNIEnv* env);
90
91namespace android {
92
93/*
94 * JNI-based registration functions.  Note these are properly contained in
95 * namespace android.
96 */
97extern int register_android_content_AssetManager(JNIEnv* env);
98extern int register_android_util_EventLog(JNIEnv* env);
99extern int register_android_util_Log(JNIEnv* env);
100extern int register_android_content_StringBlock(JNIEnv* env);
101extern int register_android_content_XmlBlock(JNIEnv* env);
102extern int register_android_emoji_EmojiFactory(JNIEnv* env);
103extern int register_android_graphics_Canvas(JNIEnv* env);
104extern int register_android_graphics_ColorFilter(JNIEnv* env);
105extern int register_android_graphics_DrawFilter(JNIEnv* env);
106extern int register_android_graphics_Matrix(JNIEnv* env);
107extern int register_android_graphics_Paint(JNIEnv* env);
108extern int register_android_graphics_Path(JNIEnv* env);
109extern int register_android_graphics_PathMeasure(JNIEnv* env);
110extern int register_android_graphics_Picture(JNIEnv*);
111extern int register_android_graphics_PorterDuff(JNIEnv* env);
112extern int register_android_graphics_Rasterizer(JNIEnv* env);
113extern int register_android_graphics_Region(JNIEnv* env);
114extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
115extern int register_android_graphics_Xfermode(JNIEnv* env);
116extern int register_android_graphics_PixelFormat(JNIEnv* env);
117extern int register_android_view_Display(JNIEnv* env);
118extern int register_android_view_GLES20Canvas(JNIEnv* env);
119extern int register_android_view_HardwareRenderer(JNIEnv* env);
120extern int register_android_view_Surface(JNIEnv* env);
121extern int register_android_view_TextureView(JNIEnv* env);
122extern int register_android_database_CursorWindow(JNIEnv* env);
123extern int register_android_database_SQLiteCompiledSql(JNIEnv* env);
124extern int register_android_database_SQLiteDatabase(JNIEnv* env);
125extern int register_android_database_SQLiteDebug(JNIEnv* env);
126extern int register_android_database_SQLiteProgram(JNIEnv* env);
127extern int register_android_database_SQLiteQuery(JNIEnv* env);
128extern int register_android_database_SQLiteStatement(JNIEnv* env);
129extern int register_android_debug_JNITest(JNIEnv* env);
130extern int register_android_nio_utils(JNIEnv* env);
131extern int register_android_nfc_NdefMessage(JNIEnv *env);
132extern int register_android_nfc_NdefRecord(JNIEnv *env);
133extern int register_android_text_format_Time(JNIEnv* env);
134extern int register_android_os_Debug(JNIEnv* env);
135extern int register_android_os_MessageQueue(JNIEnv* env);
136extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
137extern int register_android_os_Power(JNIEnv *env);
138extern int register_android_os_SELinux(JNIEnv* env);
139extern int register_android_os_StatFs(JNIEnv *env);
140extern int register_android_os_SystemProperties(JNIEnv *env);
141extern int register_android_os_SystemClock(JNIEnv* env);
142extern int register_android_os_FileObserver(JNIEnv *env);
143extern int register_android_os_FileUtils(JNIEnv *env);
144extern int register_android_os_UEventObserver(JNIEnv* env);
145extern int register_android_os_MemoryFile(JNIEnv* env);
146extern int register_android_net_LocalSocketImpl(JNIEnv* env);
147extern int register_android_net_NetworkUtils(JNIEnv* env);
148extern int register_android_net_TrafficStats(JNIEnv* env);
149extern int register_android_net_wifi_WifiManager(JNIEnv* env);
150extern int register_android_text_AndroidCharacter(JNIEnv *env);
151extern int register_android_text_AndroidBidi(JNIEnv *env);
152extern int register_android_text_KeyCharacterMap(JNIEnv *env);
153extern int register_android_opengl_classes(JNIEnv *env);
154extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
155extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
156extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env);
157extern int register_android_server_BluetoothService(JNIEnv* env);
158extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
159extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
160extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
161extern int register_android_server_Watchdog(JNIEnv* env);
162extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
163extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
164extern int register_android_backup_BackupDataInput(JNIEnv *env);
165extern int register_android_backup_BackupDataOutput(JNIEnv *env);
166extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
167extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
168extern int register_android_app_backup_FullBackup(JNIEnv *env);
169extern int register_android_app_ActivityThread(JNIEnv *env);
170extern int register_android_app_NativeActivity(JNIEnv *env);
171extern int register_android_view_InputChannel(JNIEnv* env);
172extern int register_android_view_InputQueue(JNIEnv* env);
173extern int register_android_view_KeyEvent(JNIEnv* env);
174extern int register_android_view_MotionEvent(JNIEnv* env);
175extern int register_android_view_PointerIcon(JNIEnv* env);
176extern int register_android_view_VelocityTracker(JNIEnv* env);
177extern int register_android_content_res_ObbScanner(JNIEnv* env);
178extern int register_android_content_res_Configuration(JNIEnv* env);
179extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
180extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
181
182static AndroidRuntime* gCurRuntime = NULL;
183
184static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
185{
186    if (jniThrowException(env, exc, msg) != 0)
187        assert(false);
188}
189
190/*
191 * Code written in the Java Programming Language calls here from main().
192 */
193static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
194{
195    gCurRuntime->onStarted();
196}
197
198static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
199{
200    gCurRuntime->onZygoteInit();
201}
202
203static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
204{
205    return 1;
206}
207
208static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
209{
210}
211
212static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
213{
214    char* value = getenv("qwerty");
215    if (value != NULL && strcmp(value, "true") == 0) {
216        return 1;
217    }
218
219    return 0;
220}
221
222/*
223 * JNI registration.
224 */
225static JNINativeMethod gMethods[] = {
226    { "finishInit", "()V",
227        (void*) com_android_internal_os_RuntimeInit_finishInit },
228    { "zygoteInitNative", "()V",
229        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
230    { "isComputerOn", "()I",
231        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
232    { "turnComputerOn", "()V",
233        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
234    { "getQwertyKeyboard", "()I",
235        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
236};
237
238int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
239{
240    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
241        gMethods, NELEM(gMethods));
242}
243
244// ----------------------------------------------------------------------
245
246/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
247
248
249AndroidRuntime::AndroidRuntime()
250{
251    SkGraphics::Init();
252    // this sets our preference for 16bit images during decode
253    // in case the src is opaque and 24bit
254    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
255    // This cache is shared between browser native images, and java "purgeable"
256    // bitmaps. This globalpool is for images that do not either use the java
257    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
258    // java call site.
259    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
260    // There is also a global font cache, but its budget is specified in code
261    // see SkFontHost_android.cpp
262
263    // Pre-allocate enough space to hold a fair number of options.
264    mOptions.setCapacity(20);
265
266    assert(gCurRuntime == NULL);        // one per process
267    gCurRuntime = this;
268}
269
270AndroidRuntime::~AndroidRuntime()
271{
272    SkGraphics::Term();
273}
274
275/*
276 * Register native methods using JNI.
277 */
278/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
279    const char* className, const JNINativeMethod* gMethods, int numMethods)
280{
281    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
282}
283
284status_t AndroidRuntime::callMain(const char* className,
285    jclass clazz, int argc, const char* const argv[])
286{
287    JNIEnv* env;
288    jmethodID methodId;
289
290    ALOGD("Calling main entry %s", className);
291
292    env = getJNIEnv();
293    if (clazz == NULL || env == NULL) {
294        return UNKNOWN_ERROR;
295    }
296
297    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
298    if (methodId == NULL) {
299        ALOGE("ERROR: could not find method %s.main(String[])\n", className);
300        return UNKNOWN_ERROR;
301    }
302
303    /*
304     * We want to call main() with a String array with our arguments in it.
305     * Create an array and populate it.
306     */
307    jclass stringClass;
308    jobjectArray strArray;
309
310    stringClass = env->FindClass("java/lang/String");
311    strArray = env->NewObjectArray(argc, stringClass, NULL);
312
313    for (int i = 0; i < argc; i++) {
314        jstring argStr = env->NewStringUTF(argv[i]);
315        env->SetObjectArrayElement(strArray, i, argStr);
316    }
317
318    env->CallStaticVoidMethod(clazz, methodId, strArray);
319    return NO_ERROR;
320}
321
322/*
323 * The VM calls this through the "exit" hook.
324 */
325static void runtime_exit(int code)
326{
327    gCurRuntime->onExit(code);
328    exit(code);
329}
330
331/*
332 * The VM calls this through the "vfprintf" hook.
333 *
334 * We ignore "fp" and just write the results to the log file.
335 */
336static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
337{
338    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
339}
340
341/**
342 * The VM calls this when mutex contention debugging is enabled to
343 * determine whether or not the blocked thread was a "sensitive thread"
344 * for user responsiveness/smoothess.
345 *
346 * Our policy for this is whether or not we're tracing any StrictMode
347 * events on this thread (which we might've inherited via Binder calls
348 * into us)
349 */
350static bool runtime_isSensitiveThread() {
351    IPCThreadState* state = IPCThreadState::selfOrNull();
352    return state && state->getStrictModePolicy() != 0;
353}
354
355
356/**
357 * Add VM arguments to the to-be-executed VM
358 * Stops at first non '-' argument (also stops at an argument of '--')
359 * Returns the number of args consumed
360 */
361int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
362{
363    int i;
364
365    for (i = 0; i<argc; i++) {
366        if (argv[i][0] != '-') {
367            return i;
368        }
369        if (argv[i][1] == '-' && argv[i][2] == 0) {
370            return i+1;
371        }
372
373        JavaVMOption opt;
374        memset(&opt, 0, sizeof(opt));
375        opt.optionString = (char*)argv[i];
376        mOptions.add(opt);
377    }
378    return i;
379}
380
381static int hasDir(const char* dir)
382{
383    struct stat s;
384    int res = stat(dir, &s);
385    if (res == 0) {
386        return S_ISDIR(s.st_mode);
387    }
388    return 0;
389}
390
391/*
392 * We just want failed write() calls to just return with an error.
393 */
394static void blockSigpipe()
395{
396    sigset_t mask;
397
398    sigemptyset(&mask);
399    sigaddset(&mask, SIGPIPE);
400    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
401        ALOGW("WARNING: SIGPIPE not blocked\n");
402}
403
404/*
405 * Read the persistent locale.
406 */
407static void readLocale(char* language, char* region)
408{
409    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
410
411    property_get("persist.sys.language", propLang, "");
412    property_get("persist.sys.country", propRegn, "");
413    if (*propLang == 0 && *propRegn == 0) {
414        /* Set to ro properties, default is en_US */
415        property_get("ro.product.locale.language", propLang, "en");
416        property_get("ro.product.locale.region", propRegn, "US");
417    }
418    strncat(language, propLang, 2);
419    strncat(region, propRegn, 2);
420    //ALOGD("language=%s region=%s\n", language, region);
421}
422
423/*
424 * Parse a property containing space-separated options that should be
425 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
426 *
427 * This will cut up "extraOptsBuf" as we chop it into individual options.
428 *
429 * Adds the strings, if any, to mOptions.
430 */
431void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
432{
433    JavaVMOption opt;
434    char* start;
435    char* end;
436
437    memset(&opt, 0, sizeof(opt));
438    start = extraOptsBuf;
439    while (*start != '\0') {
440        while (*start == ' ')                   /* skip leading whitespace */
441            start++;
442        if (*start == '\0')                     /* was trailing ws, bail */
443            break;
444
445        end = start+1;
446        while (*end != ' ' && *end != '\0')     /* find end of token */
447            end++;
448        if (*end == ' ')
449            *end++ = '\0';          /* mark end, advance to indicate more */
450
451        opt.optionString = start;
452        mOptions.add(opt);
453        start = end;
454    }
455}
456
457/*
458 * Start the Dalvik Virtual Machine.
459 *
460 * Various arguments, most determined by system properties, are passed in.
461 * The "mOptions" vector is updated.
462 *
463 * Returns 0 on success.
464 */
465int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
466{
467    int result = -1;
468    JavaVMInitArgs initArgs;
469    JavaVMOption opt;
470    char propBuf[PROPERTY_VALUE_MAX];
471    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
472    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
473    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
474    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
475    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
476    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
477    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
478    char extraOptsBuf[PROPERTY_VALUE_MAX];
479    char* stackTraceFile = NULL;
480    bool checkJni = false;
481    bool checkDexSum = false;
482    bool logStdio = false;
483    enum {
484      kEMDefault,
485      kEMIntPortable,
486      kEMIntFast,
487#if defined(WITH_JIT)
488      kEMJitCompiler,
489#endif
490    } executionMode = kEMDefault;
491
492
493    property_get("dalvik.vm.checkjni", propBuf, "");
494    if (strcmp(propBuf, "true") == 0) {
495        checkJni = true;
496    } else if (strcmp(propBuf, "false") != 0) {
497        /* property is neither true nor false; fall back on kernel parameter */
498        property_get("ro.kernel.android.checkjni", propBuf, "");
499        if (propBuf[0] == '1') {
500            checkJni = true;
501        }
502    }
503
504    property_get("dalvik.vm.execution-mode", propBuf, "");
505    if (strcmp(propBuf, "int:portable") == 0) {
506        executionMode = kEMIntPortable;
507    } else if (strcmp(propBuf, "int:fast") == 0) {
508        executionMode = kEMIntFast;
509#if defined(WITH_JIT)
510    } else if (strcmp(propBuf, "int:jit") == 0) {
511        executionMode = kEMJitCompiler;
512#endif
513    }
514
515    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
516
517    property_get("dalvik.vm.check-dex-sum", propBuf, "");
518    if (strcmp(propBuf, "true") == 0) {
519        checkDexSum = true;
520    }
521
522    property_get("log.redirect-stdio", propBuf, "");
523    if (strcmp(propBuf, "true") == 0) {
524        logStdio = true;
525    }
526
527    strcpy(enableAssertBuf, "-ea:");
528    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
529
530    strcpy(jniOptsBuf, "-Xjniopts:");
531    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
532
533    /* route exit() to our handler */
534    opt.extraInfo = (void*) runtime_exit;
535    opt.optionString = "exit";
536    mOptions.add(opt);
537
538    /* route fprintf() to our handler */
539    opt.extraInfo = (void*) runtime_vfprintf;
540    opt.optionString = "vfprintf";
541    mOptions.add(opt);
542
543    /* register the framework-specific "is sensitive thread" hook */
544    opt.extraInfo = (void*) runtime_isSensitiveThread;
545    opt.optionString = "sensitiveThread";
546    mOptions.add(opt);
547
548    opt.extraInfo = NULL;
549
550    /* enable verbose; standard options are { jni, gc, class } */
551    //options[curOpt++].optionString = "-verbose:jni";
552    opt.optionString = "-verbose:gc";
553    mOptions.add(opt);
554    //options[curOpt++].optionString = "-verbose:class";
555
556    /*
557     * The default starting and maximum size of the heap.  Larger
558     * values should be specified in a product property override.
559     */
560    strcpy(heapstartsizeOptsBuf, "-Xms");
561    property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m");
562    opt.optionString = heapstartsizeOptsBuf;
563    mOptions.add(opt);
564    strcpy(heapsizeOptsBuf, "-Xmx");
565    property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
566    opt.optionString = heapsizeOptsBuf;
567    mOptions.add(opt);
568
569    strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
570    property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, "");
571    if (heapgrowthlimitOptsBuf[20] != '\0') {
572        opt.optionString = heapgrowthlimitOptsBuf;
573        mOptions.add(opt);
574    }
575
576    /*
577     * Enable or disable dexopt features, such as bytecode verification and
578     * calculation of register maps for precise GC.
579     */
580    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
581    if (dexoptFlagsBuf[0] != '\0') {
582        const char* opc;
583        const char* val;
584
585        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
586        if (opc != NULL) {
587            switch (*(opc+2)) {
588            case 'n':   val = "-Xverify:none";      break;
589            case 'r':   val = "-Xverify:remote";    break;
590            case 'a':   val = "-Xverify:all";       break;
591            default:    val = NULL;                 break;
592            }
593
594            if (val != NULL) {
595                opt.optionString = val;
596                mOptions.add(opt);
597            }
598        }
599
600        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
601        if (opc != NULL) {
602            switch (*(opc+2)) {
603            case 'n':   val = "-Xdexopt:none";      break;
604            case 'v':   val = "-Xdexopt:verified";  break;
605            case 'a':   val = "-Xdexopt:all";       break;
606            case 'f':   val = "-Xdexopt:full";      break;
607            default:    val = NULL;                 break;
608            }
609
610            if (val != NULL) {
611                opt.optionString = val;
612                mOptions.add(opt);
613            }
614        }
615
616        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
617        if (opc != NULL) {
618            opt.optionString = "-Xgenregmap";
619            mOptions.add(opt);
620
621            /* turn on precise GC while we're at it */
622            opt.optionString = "-Xgc:precise";
623            mOptions.add(opt);
624        }
625    }
626
627    /* enable debugging; set suspend=y to pause during VM init */
628    /* use android ADB transport */
629    opt.optionString =
630        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
631    mOptions.add(opt);
632
633    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
634    if (checkJni) {
635        /* extended JNI checking */
636        opt.optionString = "-Xcheck:jni";
637        mOptions.add(opt);
638
639        /* set a cap on JNI global references */
640        opt.optionString = "-Xjnigreflimit:2000";
641        mOptions.add(opt);
642
643        /* with -Xcheck:jni, this provides a JNI function call trace */
644        //opt.optionString = "-verbose:jni";
645        //mOptions.add(opt);
646    }
647
648    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
649    property_get("dalvik.vm.lockprof.threshold", propBuf, "");
650    if (strlen(propBuf) > 0) {
651      strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:");
652      strcat(lockProfThresholdBuf, propBuf);
653      opt.optionString = lockProfThresholdBuf;
654      mOptions.add(opt);
655    }
656
657#if defined(WITH_JIT)
658    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
659    char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
660    property_get("dalvik.vm.jit.op", propBuf, "");
661    if (strlen(propBuf) > 0) {
662        strcpy(jitOpBuf, "-Xjitop:");
663        strcat(jitOpBuf, propBuf);
664        opt.optionString = jitOpBuf;
665        mOptions.add(opt);
666    }
667
668    /* Force interpreter-only mode for selected methods */
669    char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
670    property_get("dalvik.vm.jit.method", propBuf, "");
671    if (strlen(propBuf) > 0) {
672        strcpy(jitMethodBuf, "-Xjitmethod:");
673        strcat(jitMethodBuf, propBuf);
674        opt.optionString = jitMethodBuf;
675        mOptions.add(opt);
676    }
677#endif
678
679    if (executionMode == kEMIntPortable) {
680        opt.optionString = "-Xint:portable";
681        mOptions.add(opt);
682    } else if (executionMode == kEMIntFast) {
683        opt.optionString = "-Xint:fast";
684        mOptions.add(opt);
685#if defined(WITH_JIT)
686    } else if (executionMode == kEMJitCompiler) {
687        opt.optionString = "-Xint:jit";
688        mOptions.add(opt);
689#endif
690    }
691
692    if (checkDexSum) {
693        /* perform additional DEX checksum tests */
694        opt.optionString = "-Xcheckdexsum";
695        mOptions.add(opt);
696    }
697
698    if (logStdio) {
699        /* convert stdout/stderr to log messages */
700        opt.optionString = "-Xlog-stdio";
701        mOptions.add(opt);
702    }
703
704    if (enableAssertBuf[4] != '\0') {
705        /* accept "all" to mean "all classes and packages" */
706        if (strcmp(enableAssertBuf+4, "all") == 0)
707            enableAssertBuf[3] = '\0';
708        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
709        opt.optionString = enableAssertBuf;
710        mOptions.add(opt);
711    } else {
712        ALOGV("Assertions disabled\n");
713    }
714
715    if (jniOptsBuf[10] != '\0') {
716        ALOGI("JNI options: '%s'\n", jniOptsBuf);
717        opt.optionString = jniOptsBuf;
718        mOptions.add(opt);
719    }
720
721    if (stackTraceFileBuf[0] != '\0') {
722        static const char* stfOptName = "-Xstacktracefile:";
723
724        stackTraceFile = (char*) malloc(strlen(stfOptName) +
725            strlen(stackTraceFileBuf) +1);
726        strcpy(stackTraceFile, stfOptName);
727        strcat(stackTraceFile, stackTraceFileBuf);
728        opt.optionString = stackTraceFile;
729        mOptions.add(opt);
730    }
731
732    /* extra options; parse this late so it overrides others */
733    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
734    parseExtraOpts(extraOptsBuf);
735
736    /* Set the properties for locale */
737    {
738        char langOption[sizeof("-Duser.language=") + 3];
739        char regionOption[sizeof("-Duser.region=") + 3];
740        strcpy(langOption, "-Duser.language=");
741        strcpy(regionOption, "-Duser.region=");
742        readLocale(langOption, regionOption);
743        opt.extraInfo = NULL;
744        opt.optionString = langOption;
745        mOptions.add(opt);
746        opt.optionString = regionOption;
747        mOptions.add(opt);
748    }
749
750    /*
751     * We don't have /tmp on the device, but we often have an SD card.  Apps
752     * shouldn't use this, but some test suites might want to exercise it.
753     */
754    opt.optionString = "-Djava.io.tmpdir=/sdcard";
755    mOptions.add(opt);
756
757    initArgs.version = JNI_VERSION_1_4;
758    initArgs.options = mOptions.editArray();
759    initArgs.nOptions = mOptions.size();
760    initArgs.ignoreUnrecognized = JNI_FALSE;
761
762    /*
763     * Initialize the VM.
764     *
765     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
766     * If this call succeeds, the VM is ready, and we can start issuing
767     * JNI calls.
768     */
769    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
770        ALOGE("JNI_CreateJavaVM failed\n");
771        goto bail;
772    }
773
774    result = 0;
775
776bail:
777    free(stackTraceFile);
778    return result;
779}
780
781char* AndroidRuntime::toSlashClassName(const char* className)
782{
783    char* result = strdup(className);
784    for (char* cp = result; *cp != '\0'; cp++) {
785        if (*cp == '.') {
786            *cp = '/';
787        }
788    }
789    return result;
790}
791
792/*
793 * Start the Android runtime.  This involves starting the virtual machine
794 * and calling the "static void main(String[] args)" method in the class
795 * named by "className".
796 *
797 * Passes the main function two arguments, the class name and the specified
798 * options string.
799 */
800void AndroidRuntime::start(const char* className, const char* options)
801{
802    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
803            className != NULL ? className : "(unknown)");
804
805    blockSigpipe();
806
807    /*
808     * 'startSystemServer == true' means runtime is obsolete and not run from
809     * init.rc anymore, so we print out the boot start event here.
810     */
811    if (strcmp(options, "start-system-server") == 0) {
812        /* track our progress through the boot sequence */
813        const int LOG_BOOT_PROGRESS_START = 3000;
814        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
815                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
816    }
817
818    const char* rootDir = getenv("ANDROID_ROOT");
819    if (rootDir == NULL) {
820        rootDir = "/system";
821        if (!hasDir("/system")) {
822            LOG_FATAL("No root directory specified, and /android does not exist.");
823            return;
824        }
825        setenv("ANDROID_ROOT", rootDir, 1);
826    }
827
828    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
829    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
830
831    /* start the virtual machine */
832    JNIEnv* env;
833    if (startVm(&mJavaVM, &env) != 0) {
834        return;
835    }
836    onVmCreated(env);
837
838    /*
839     * Register android functions.
840     */
841    if (startReg(env) < 0) {
842        ALOGE("Unable to register all android natives\n");
843        return;
844    }
845
846    /*
847     * We want to call main() with a String array with arguments in it.
848     * At present we have two arguments, the class name and an option string.
849     * Create an array to hold them.
850     */
851    jclass stringClass;
852    jobjectArray strArray;
853    jstring classNameStr;
854    jstring optionsStr;
855
856    stringClass = env->FindClass("java/lang/String");
857    assert(stringClass != NULL);
858    strArray = env->NewObjectArray(2, stringClass, NULL);
859    assert(strArray != NULL);
860    classNameStr = env->NewStringUTF(className);
861    assert(classNameStr != NULL);
862    env->SetObjectArrayElement(strArray, 0, classNameStr);
863    optionsStr = env->NewStringUTF(options);
864    env->SetObjectArrayElement(strArray, 1, optionsStr);
865
866    /*
867     * Start VM.  This thread becomes the main thread of the VM, and will
868     * not return until the VM exits.
869     */
870    char* slashClassName = toSlashClassName(className);
871    jclass startClass = env->FindClass(slashClassName);
872    if (startClass == NULL) {
873        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
874        /* keep going */
875    } else {
876        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
877            "([Ljava/lang/String;)V");
878        if (startMeth == NULL) {
879            ALOGE("JavaVM unable to find main() in '%s'\n", className);
880            /* keep going */
881        } else {
882            env->CallStaticVoidMethod(startClass, startMeth, strArray);
883
884#if 0
885            if (env->ExceptionCheck())
886                threadExitUncaughtException(env);
887#endif
888        }
889    }
890    free(slashClassName);
891
892    ALOGD("Shutting down VM\n");
893    if (mJavaVM->DetachCurrentThread() != JNI_OK)
894        ALOGW("Warning: unable to detach main thread\n");
895    if (mJavaVM->DestroyJavaVM() != 0)
896        ALOGW("Warning: VM did not shut down cleanly\n");
897}
898
899void AndroidRuntime::onExit(int code)
900{
901    ALOGV("AndroidRuntime onExit calling exit(%d)", code);
902    exit(code);
903}
904
905void AndroidRuntime::onVmCreated(JNIEnv* env)
906{
907    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
908}
909
910/*
911 * Get the JNIEnv pointer for this thread.
912 *
913 * Returns NULL if the slot wasn't allocated or populated.
914 */
915/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
916{
917    JNIEnv* env;
918    JavaVM* vm = AndroidRuntime::getJavaVM();
919    assert(vm != NULL);
920
921    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
922        return NULL;
923    return env;
924}
925
926/*
927 * Makes the current thread visible to the VM.
928 *
929 * The JNIEnv pointer returned is only valid for the current thread, and
930 * thus must be tucked into thread-local storage.
931 */
932static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
933{
934    JavaVMAttachArgs args;
935    JavaVM* vm;
936    jint result;
937
938    vm = AndroidRuntime::getJavaVM();
939    assert(vm != NULL);
940
941    args.version = JNI_VERSION_1_4;
942    args.name = (char*) threadName;
943    args.group = NULL;
944
945    result = vm->AttachCurrentThread(pEnv, (void*) &args);
946    if (result != JNI_OK)
947        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
948
949    return result;
950}
951
952/*
953 * Detach the current thread from the set visible to the VM.
954 */
955static int javaDetachThread(void)
956{
957    JavaVM* vm;
958    jint result;
959
960    vm = AndroidRuntime::getJavaVM();
961    assert(vm != NULL);
962
963    result = vm->DetachCurrentThread();
964    if (result != JNI_OK)
965        ALOGE("ERROR: thread detach failed\n");
966    return result;
967}
968
969/*
970 * When starting a native thread that will be visible from the VM, we
971 * bounce through this to get the right attach/detach action.
972 * Note that this function calls free(args)
973 */
974/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
975    void* start = ((void**)args)[0];
976    void* userData = ((void **)args)[1];
977    char* name = (char*) ((void **)args)[2];        // we own this storage
978    free(args);
979    JNIEnv* env;
980    int result;
981
982    /* hook us into the VM */
983    if (javaAttachThread(name, &env) != JNI_OK)
984        return -1;
985
986    /* start the thread running */
987    result = (*(android_thread_func_t)start)(userData);
988
989    /* unhook us */
990    javaDetachThread();
991    free(name);
992
993    return result;
994}
995
996/*
997 * This is invoked from androidCreateThreadEtc() via the callback
998 * set with androidSetCreateThreadFunc().
999 *
1000 * We need to create the new thread in such a way that it gets hooked
1001 * into the VM before it really starts executing.
1002 */
1003/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1004                                android_thread_func_t entryFunction,
1005                                void* userData,
1006                                const char* threadName,
1007                                int32_t threadPriority,
1008                                size_t threadStackSize,
1009                                android_thread_id_t* threadId)
1010{
1011    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1012    int result;
1013
1014    assert(threadName != NULL);
1015
1016    args[0] = (void*) entryFunction;
1017    args[1] = userData;
1018    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1019
1020    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1021        threadName, threadPriority, threadStackSize, threadId);
1022    return result;
1023}
1024
1025/*
1026 * Create a thread that is visible from the VM.
1027 *
1028 * This is called from elsewhere in the library.
1029 */
1030/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1031    void (*start)(void *), void* arg)
1032{
1033    android_thread_id_t threadId = 0;
1034    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1035        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1036    return threadId;
1037}
1038
1039#if 0
1040static void quickTest(void* arg)
1041{
1042    const char* str = (const char*) arg;
1043
1044    printf("In quickTest: %s\n", str);
1045}
1046#endif
1047
1048#ifdef NDEBUG
1049    #define REG_JNI(name)      { name }
1050    struct RegJNIRec {
1051        int (*mProc)(JNIEnv*);
1052    };
1053#else
1054    #define REG_JNI(name)      { name, #name }
1055    struct RegJNIRec {
1056        int (*mProc)(JNIEnv*);
1057        const char* mName;
1058    };
1059#endif
1060
1061typedef void (*RegJAMProc)();
1062
1063static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1064{
1065    for (size_t i = 0; i < count; i++) {
1066        if (array[i].mProc(env) < 0) {
1067#ifndef NDEBUG
1068            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1069#endif
1070            return -1;
1071        }
1072    }
1073    return 0;
1074}
1075
1076static void register_jam_procs(const RegJAMProc array[], size_t count)
1077{
1078    for (size_t i = 0; i < count; i++) {
1079        array[i]();
1080    }
1081}
1082
1083static const RegJNIRec gRegJNI[] = {
1084    REG_JNI(register_android_debug_JNITest),
1085    REG_JNI(register_com_android_internal_os_RuntimeInit),
1086    REG_JNI(register_android_os_SystemClock),
1087    REG_JNI(register_android_util_EventLog),
1088    REG_JNI(register_android_util_Log),
1089    REG_JNI(register_android_util_FloatMath),
1090    REG_JNI(register_android_text_format_Time),
1091    REG_JNI(register_android_content_AssetManager),
1092    REG_JNI(register_android_content_StringBlock),
1093    REG_JNI(register_android_content_XmlBlock),
1094    REG_JNI(register_android_emoji_EmojiFactory),
1095    REG_JNI(register_android_text_AndroidCharacter),
1096    REG_JNI(register_android_text_AndroidBidi),
1097    REG_JNI(register_android_text_KeyCharacterMap),
1098    REG_JNI(register_android_os_Process),
1099    REG_JNI(register_android_os_SystemProperties),
1100    REG_JNI(register_android_os_Binder),
1101    REG_JNI(register_android_view_Display),
1102    REG_JNI(register_android_nio_utils),
1103    REG_JNI(register_android_graphics_PixelFormat),
1104    REG_JNI(register_android_graphics_Graphics),
1105    REG_JNI(register_android_view_GLES20Canvas),
1106    REG_JNI(register_android_view_HardwareRenderer),
1107    REG_JNI(register_android_view_Surface),
1108    REG_JNI(register_android_view_TextureView),
1109    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1110    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1111    REG_JNI(register_android_opengl_jni_GLES10),
1112    REG_JNI(register_android_opengl_jni_GLES10Ext),
1113    REG_JNI(register_android_opengl_jni_GLES11),
1114    REG_JNI(register_android_opengl_jni_GLES11Ext),
1115    REG_JNI(register_android_opengl_jni_GLES20),
1116
1117    REG_JNI(register_android_graphics_Bitmap),
1118    REG_JNI(register_android_graphics_BitmapFactory),
1119    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1120    REG_JNI(register_android_graphics_Camera),
1121    REG_JNI(register_android_graphics_Canvas),
1122    REG_JNI(register_android_graphics_ColorFilter),
1123    REG_JNI(register_android_graphics_DrawFilter),
1124    REG_JNI(register_android_graphics_Interpolator),
1125    REG_JNI(register_android_graphics_LayerRasterizer),
1126    REG_JNI(register_android_graphics_MaskFilter),
1127    REG_JNI(register_android_graphics_Matrix),
1128    REG_JNI(register_android_graphics_Movie),
1129    REG_JNI(register_android_graphics_NinePatch),
1130    REG_JNI(register_android_graphics_Paint),
1131    REG_JNI(register_android_graphics_Path),
1132    REG_JNI(register_android_graphics_PathMeasure),
1133    REG_JNI(register_android_graphics_PathEffect),
1134    REG_JNI(register_android_graphics_Picture),
1135    REG_JNI(register_android_graphics_PorterDuff),
1136    REG_JNI(register_android_graphics_Rasterizer),
1137    REG_JNI(register_android_graphics_Region),
1138    REG_JNI(register_android_graphics_Shader),
1139    REG_JNI(register_android_graphics_SurfaceTexture),
1140    REG_JNI(register_android_graphics_Typeface),
1141    REG_JNI(register_android_graphics_Xfermode),
1142    REG_JNI(register_android_graphics_YuvImage),
1143
1144    REG_JNI(register_android_database_CursorWindow),
1145    REG_JNI(register_android_database_SQLiteCompiledSql),
1146    REG_JNI(register_android_database_SQLiteDatabase),
1147    REG_JNI(register_android_database_SQLiteDebug),
1148    REG_JNI(register_android_database_SQLiteProgram),
1149    REG_JNI(register_android_database_SQLiteQuery),
1150    REG_JNI(register_android_database_SQLiteStatement),
1151    REG_JNI(register_android_os_Debug),
1152    REG_JNI(register_android_os_FileObserver),
1153    REG_JNI(register_android_os_FileUtils),
1154    REG_JNI(register_android_os_MessageQueue),
1155    REG_JNI(register_android_os_ParcelFileDescriptor),
1156    REG_JNI(register_android_os_Power),
1157    REG_JNI(register_android_os_SELinux),
1158    REG_JNI(register_android_os_StatFs),
1159    REG_JNI(register_android_os_UEventObserver),
1160    REG_JNI(register_android_net_LocalSocketImpl),
1161    REG_JNI(register_android_net_NetworkUtils),
1162    REG_JNI(register_android_net_TrafficStats),
1163    REG_JNI(register_android_net_wifi_WifiManager),
1164    REG_JNI(register_android_nfc_NdefMessage),
1165    REG_JNI(register_android_nfc_NdefRecord),
1166    REG_JNI(register_android_os_MemoryFile),
1167    REG_JNI(register_com_android_internal_os_ZygoteInit),
1168    REG_JNI(register_android_hardware_Camera),
1169    REG_JNI(register_android_hardware_SensorManager),
1170    REG_JNI(register_android_hardware_UsbDevice),
1171    REG_JNI(register_android_hardware_UsbDeviceConnection),
1172    REG_JNI(register_android_hardware_UsbRequest),
1173    REG_JNI(register_android_media_AudioRecord),
1174    REG_JNI(register_android_media_AudioSystem),
1175    REG_JNI(register_android_media_AudioTrack),
1176    REG_JNI(register_android_media_JetPlayer),
1177    REG_JNI(register_android_media_ToneGenerator),
1178
1179    REG_JNI(register_android_opengl_classes),
1180    REG_JNI(register_android_bluetooth_HeadsetBase),
1181    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1182    REG_JNI(register_android_bluetooth_BluetoothSocket),
1183    REG_JNI(register_android_server_BluetoothService),
1184    REG_JNI(register_android_server_BluetoothEventLoop),
1185    REG_JNI(register_android_server_BluetoothA2dpService),
1186    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1187    REG_JNI(register_android_server_Watchdog),
1188    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1189    REG_JNI(register_android_backup_BackupDataInput),
1190    REG_JNI(register_android_backup_BackupDataOutput),
1191    REG_JNI(register_android_backup_FileBackupHelperBase),
1192    REG_JNI(register_android_backup_BackupHelperDispatcher),
1193    REG_JNI(register_android_app_backup_FullBackup),
1194    REG_JNI(register_android_app_ActivityThread),
1195    REG_JNI(register_android_app_NativeActivity),
1196    REG_JNI(register_android_view_InputChannel),
1197    REG_JNI(register_android_view_InputQueue),
1198    REG_JNI(register_android_view_KeyEvent),
1199    REG_JNI(register_android_view_MotionEvent),
1200    REG_JNI(register_android_view_PointerIcon),
1201    REG_JNI(register_android_view_VelocityTracker),
1202
1203    REG_JNI(register_android_content_res_ObbScanner),
1204    REG_JNI(register_android_content_res_Configuration),
1205
1206    REG_JNI(register_android_animation_PropertyValuesHolder),
1207    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1208};
1209
1210/*
1211 * Register android native functions with the VM.
1212 */
1213/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1214{
1215    /*
1216     * This hook causes all future threads created in this process to be
1217     * attached to the JavaVM.  (This needs to go away in favor of JNI
1218     * Attach calls.)
1219     */
1220    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1221
1222    ALOGV("--- registering native functions ---\n");
1223
1224    /*
1225     * Every "register" function calls one or more things that return
1226     * a local reference (e.g. FindClass).  Because we haven't really
1227     * started the VM yet, they're all getting stored in the base frame
1228     * and never released.  Use Push/Pop to manage the storage.
1229     */
1230    env->PushLocalFrame(200);
1231
1232    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1233        env->PopLocalFrame(NULL);
1234        return -1;
1235    }
1236    env->PopLocalFrame(NULL);
1237
1238    //createJavaThread("fubar", quickTest, (void*) "hello");
1239
1240    return 0;
1241}
1242
1243AndroidRuntime* AndroidRuntime::getRuntime()
1244{
1245    return gCurRuntime;
1246}
1247
1248/**
1249 * Used by WithFramework to register native functions.
1250 */
1251extern "C"
1252jint Java_com_android_internal_util_WithFramework_registerNatives(
1253        JNIEnv* env, jclass clazz) {
1254    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1255}
1256
1257/**
1258 * Used by LoadClass to register native functions.
1259 */
1260extern "C"
1261jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1262    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1263}
1264
1265}   // namespace android
1266