AndroidRuntime.cpp revision 1afd5bab4e0eaba8b5bc2ab5c7b556cd602cf2e7 
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_StatFs(JNIEnv *env);
139extern int register_android_os_SystemProperties(JNIEnv *env);
140extern int register_android_os_SystemClock(JNIEnv* env);
141extern int register_android_os_FileObserver(JNIEnv *env);
142extern int register_android_os_FileUtils(JNIEnv *env);
143extern int register_android_os_UEventObserver(JNIEnv* env);
144extern int register_android_os_MemoryFile(JNIEnv* env);
145extern int register_android_net_LocalSocketImpl(JNIEnv* env);
146extern int register_android_net_NetworkUtils(JNIEnv* env);
147extern int register_android_net_TrafficStats(JNIEnv* env);
148extern int register_android_net_wifi_WifiManager(JNIEnv* env);
149extern int register_android_text_AndroidCharacter(JNIEnv *env);
150extern int register_android_text_AndroidBidi(JNIEnv *env);
151extern int register_android_text_KeyCharacterMap(JNIEnv *env);
152extern int register_android_opengl_classes(JNIEnv *env);
153extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
154extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
155extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env);
156extern int register_android_server_BluetoothService(JNIEnv* env);
157extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
158extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
159extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
160extern int register_android_server_Watchdog(JNIEnv* env);
161extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
162extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
163extern int register_android_backup_BackupDataInput(JNIEnv *env);
164extern int register_android_backup_BackupDataOutput(JNIEnv *env);
165extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
166extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
167extern int register_android_app_backup_FullBackup(JNIEnv *env);
168extern int register_android_app_ActivityThread(JNIEnv *env);
169extern int register_android_app_NativeActivity(JNIEnv *env);
170extern int register_android_view_InputChannel(JNIEnv* env);
171extern int register_android_view_InputQueue(JNIEnv* env);
172extern int register_android_view_KeyEvent(JNIEnv* env);
173extern int register_android_view_MotionEvent(JNIEnv* env);
174extern int register_android_view_PointerIcon(JNIEnv* env);
175extern int register_android_view_VelocityTracker(JNIEnv* env);
176extern int register_android_content_res_ObbScanner(JNIEnv* env);
177extern int register_android_content_res_Configuration(JNIEnv* env);
178extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
179extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
180
181static AndroidRuntime* gCurRuntime = NULL;
182
183static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
184{
185    if (jniThrowException(env, exc, msg) != 0)
186        assert(false);
187}
188
189/*
190 * Code written in the Java Programming Language calls here from main().
191 */
192static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
193{
194    gCurRuntime->onStarted();
195}
196
197static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
198{
199    gCurRuntime->onZygoteInit();
200}
201
202static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
203{
204    return 1;
205}
206
207static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
208{
209}
210
211static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
212{
213    char* value = getenv("qwerty");
214    if (value != NULL && strcmp(value, "true") == 0) {
215        return 1;
216    }
217
218    return 0;
219}
220
221/*
222 * JNI registration.
223 */
224static JNINativeMethod gMethods[] = {
225    { "finishInit", "()V",
226        (void*) com_android_internal_os_RuntimeInit_finishInit },
227    { "zygoteInitNative", "()V",
228        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
229    { "isComputerOn", "()I",
230        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
231    { "turnComputerOn", "()V",
232        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
233    { "getQwertyKeyboard", "()I",
234        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
235};
236
237int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
238{
239    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
240        gMethods, NELEM(gMethods));
241}
242
243// ----------------------------------------------------------------------
244
245/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
246
247
248AndroidRuntime::AndroidRuntime()
249{
250    SkGraphics::Init();
251    // this sets our preference for 16bit images during decode
252    // in case the src is opaque and 24bit
253    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
254    // This cache is shared between browser native images, and java "purgeable"
255    // bitmaps. This globalpool is for images that do not either use the java
256    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
257    // java call site.
258    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
259    // There is also a global font cache, but its budget is specified in code
260    // see SkFontHost_android.cpp
261
262    // Pre-allocate enough space to hold a fair number of options.
263    mOptions.setCapacity(20);
264
265    assert(gCurRuntime == NULL);        // one per process
266    gCurRuntime = this;
267}
268
269AndroidRuntime::~AndroidRuntime()
270{
271    SkGraphics::Term();
272}
273
274/*
275 * Register native methods using JNI.
276 */
277/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
278    const char* className, const JNINativeMethod* gMethods, int numMethods)
279{
280    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
281}
282
283status_t AndroidRuntime::callMain(const char* className,
284    jclass clazz, int argc, const char* const argv[])
285{
286    JNIEnv* env;
287    jmethodID methodId;
288
289    ALOGD("Calling main entry %s", className);
290
291    env = getJNIEnv();
292    if (clazz == NULL || env == NULL) {
293        return UNKNOWN_ERROR;
294    }
295
296    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
297    if (methodId == NULL) {
298        LOGE("ERROR: could not find method %s.main(String[])\n", className);
299        return UNKNOWN_ERROR;
300    }
301
302    /*
303     * We want to call main() with a String array with our arguments in it.
304     * Create an array and populate it.
305     */
306    jclass stringClass;
307    jobjectArray strArray;
308
309    stringClass = env->FindClass("java/lang/String");
310    strArray = env->NewObjectArray(argc, stringClass, NULL);
311
312    for (int i = 0; i < argc; i++) {
313        jstring argStr = env->NewStringUTF(argv[i]);
314        env->SetObjectArrayElement(strArray, i, argStr);
315    }
316
317    env->CallStaticVoidMethod(clazz, methodId, strArray);
318    return NO_ERROR;
319}
320
321/*
322 * The VM calls this through the "exit" hook.
323 */
324static void runtime_exit(int code)
325{
326    gCurRuntime->onExit(code);
327    exit(code);
328}
329
330/*
331 * The VM calls this through the "vfprintf" hook.
332 *
333 * We ignore "fp" and just write the results to the log file.
334 */
335static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
336{
337    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
338}
339
340/**
341 * The VM calls this when mutex contention debugging is enabled to
342 * determine whether or not the blocked thread was a "sensitive thread"
343 * for user responsiveness/smoothess.
344 *
345 * Our policy for this is whether or not we're tracing any StrictMode
346 * events on this thread (which we might've inherited via Binder calls
347 * into us)
348 */
349static bool runtime_isSensitiveThread() {
350    IPCThreadState* state = IPCThreadState::selfOrNull();
351    return state && state->getStrictModePolicy() != 0;
352}
353
354
355/**
356 * Add VM arguments to the to-be-executed VM
357 * Stops at first non '-' argument (also stops at an argument of '--')
358 * Returns the number of args consumed
359 */
360int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
361{
362    int i;
363
364    for (i = 0; i<argc; i++) {
365        if (argv[i][0] != '-') {
366            return i;
367        }
368        if (argv[i][1] == '-' && argv[i][2] == 0) {
369            return i+1;
370        }
371
372        JavaVMOption opt;
373        memset(&opt, 0, sizeof(opt));
374        opt.optionString = (char*)argv[i];
375        mOptions.add(opt);
376    }
377    return i;
378}
379
380static int hasDir(const char* dir)
381{
382    struct stat s;
383    int res = stat(dir, &s);
384    if (res == 0) {
385        return S_ISDIR(s.st_mode);
386    }
387    return 0;
388}
389
390/*
391 * We just want failed write() calls to just return with an error.
392 */
393static void blockSigpipe()
394{
395    sigset_t mask;
396
397    sigemptyset(&mask);
398    sigaddset(&mask, SIGPIPE);
399    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
400        LOGW("WARNING: SIGPIPE not blocked\n");
401}
402
403/*
404 * Read the persistent locale.
405 */
406static void readLocale(char* language, char* region)
407{
408    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
409
410    property_get("persist.sys.language", propLang, "");
411    property_get("persist.sys.country", propRegn, "");
412    if (*propLang == 0 && *propRegn == 0) {
413        /* Set to ro properties, default is en_US */
414        property_get("ro.product.locale.language", propLang, "en");
415        property_get("ro.product.locale.region", propRegn, "US");
416    }
417    strncat(language, propLang, 2);
418    strncat(region, propRegn, 2);
419    //ALOGD("language=%s region=%s\n", language, region);
420}
421
422/*
423 * Parse a property containing space-separated options that should be
424 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
425 *
426 * This will cut up "extraOptsBuf" as we chop it into individual options.
427 *
428 * Adds the strings, if any, to mOptions.
429 */
430void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
431{
432    JavaVMOption opt;
433    char* start;
434    char* end;
435
436    memset(&opt, 0, sizeof(opt));
437    start = extraOptsBuf;
438    while (*start != '\0') {
439        while (*start == ' ')                   /* skip leading whitespace */
440            start++;
441        if (*start == '\0')                     /* was trailing ws, bail */
442            break;
443
444        end = start+1;
445        while (*end != ' ' && *end != '\0')     /* find end of token */
446            end++;
447        if (*end == ' ')
448            *end++ = '\0';          /* mark end, advance to indicate more */
449
450        opt.optionString = start;
451        mOptions.add(opt);
452        start = end;
453    }
454}
455
456/*
457 * Start the Dalvik Virtual Machine.
458 *
459 * Various arguments, most determined by system properties, are passed in.
460 * The "mOptions" vector is updated.
461 *
462 * Returns 0 on success.
463 */
464int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
465{
466    int result = -1;
467    JavaVMInitArgs initArgs;
468    JavaVMOption opt;
469    char propBuf[PROPERTY_VALUE_MAX];
470    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
471    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
472    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
473    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
474    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
475    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
476    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
477    char extraOptsBuf[PROPERTY_VALUE_MAX];
478    char* stackTraceFile = NULL;
479    bool checkJni = false;
480    bool checkDexSum = false;
481    bool logStdio = false;
482    enum {
483      kEMDefault,
484      kEMIntPortable,
485      kEMIntFast,
486#if defined(WITH_JIT)
487      kEMJitCompiler,
488#endif
489    } executionMode = kEMDefault;
490
491
492    property_get("dalvik.vm.checkjni", propBuf, "");
493    if (strcmp(propBuf, "true") == 0) {
494        checkJni = true;
495    } else if (strcmp(propBuf, "false") != 0) {
496        /* property is neither true nor false; fall back on kernel parameter */
497        property_get("ro.kernel.android.checkjni", propBuf, "");
498        if (propBuf[0] == '1') {
499            checkJni = true;
500        }
501    }
502
503    property_get("dalvik.vm.execution-mode", propBuf, "");
504    if (strcmp(propBuf, "int:portable") == 0) {
505        executionMode = kEMIntPortable;
506    } else if (strcmp(propBuf, "int:fast") == 0) {
507        executionMode = kEMIntFast;
508#if defined(WITH_JIT)
509    } else if (strcmp(propBuf, "int:jit") == 0) {
510        executionMode = kEMJitCompiler;
511#endif
512    }
513
514    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
515
516    property_get("dalvik.vm.check-dex-sum", propBuf, "");
517    if (strcmp(propBuf, "true") == 0) {
518        checkDexSum = true;
519    }
520
521    property_get("log.redirect-stdio", propBuf, "");
522    if (strcmp(propBuf, "true") == 0) {
523        logStdio = true;
524    }
525
526    strcpy(enableAssertBuf, "-ea:");
527    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
528
529    strcpy(jniOptsBuf, "-Xjniopts:");
530    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
531
532    /* route exit() to our handler */
533    opt.extraInfo = (void*) runtime_exit;
534    opt.optionString = "exit";
535    mOptions.add(opt);
536
537    /* route fprintf() to our handler */
538    opt.extraInfo = (void*) runtime_vfprintf;
539    opt.optionString = "vfprintf";
540    mOptions.add(opt);
541
542    /* register the framework-specific "is sensitive thread" hook */
543    opt.extraInfo = (void*) runtime_isSensitiveThread;
544    opt.optionString = "sensitiveThread";
545    mOptions.add(opt);
546
547    opt.extraInfo = NULL;
548
549    /* enable verbose; standard options are { jni, gc, class } */
550    //options[curOpt++].optionString = "-verbose:jni";
551    opt.optionString = "-verbose:gc";
552    mOptions.add(opt);
553    //options[curOpt++].optionString = "-verbose:class";
554
555    /*
556     * The default starting and maximum size of the heap.  Larger
557     * values should be specified in a product property override.
558     */
559    strcpy(heapstartsizeOptsBuf, "-Xms");
560    property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m");
561    opt.optionString = heapstartsizeOptsBuf;
562    mOptions.add(opt);
563    strcpy(heapsizeOptsBuf, "-Xmx");
564    property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
565    opt.optionString = heapsizeOptsBuf;
566    mOptions.add(opt);
567
568    strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
569    property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, "");
570    if (heapgrowthlimitOptsBuf[20] != '\0') {
571        opt.optionString = heapgrowthlimitOptsBuf;
572        mOptions.add(opt);
573    }
574
575    /*
576     * Enable or disable dexopt features, such as bytecode verification and
577     * calculation of register maps for precise GC.
578     */
579    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
580    if (dexoptFlagsBuf[0] != '\0') {
581        const char* opc;
582        const char* val;
583
584        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
585        if (opc != NULL) {
586            switch (*(opc+2)) {
587            case 'n':   val = "-Xverify:none";      break;
588            case 'r':   val = "-Xverify:remote";    break;
589            case 'a':   val = "-Xverify:all";       break;
590            default:    val = NULL;                 break;
591            }
592
593            if (val != NULL) {
594                opt.optionString = val;
595                mOptions.add(opt);
596            }
597        }
598
599        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
600        if (opc != NULL) {
601            switch (*(opc+2)) {
602            case 'n':   val = "-Xdexopt:none";      break;
603            case 'v':   val = "-Xdexopt:verified";  break;
604            case 'a':   val = "-Xdexopt:all";       break;
605            case 'f':   val = "-Xdexopt:full";      break;
606            default:    val = NULL;                 break;
607            }
608
609            if (val != NULL) {
610                opt.optionString = val;
611                mOptions.add(opt);
612            }
613        }
614
615        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
616        if (opc != NULL) {
617            opt.optionString = "-Xgenregmap";
618            mOptions.add(opt);
619
620            /* turn on precise GC while we're at it */
621            opt.optionString = "-Xgc:precise";
622            mOptions.add(opt);
623        }
624    }
625
626    /* enable debugging; set suspend=y to pause during VM init */
627    /* use android ADB transport */
628    opt.optionString =
629        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
630    mOptions.add(opt);
631
632    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
633    if (checkJni) {
634        /* extended JNI checking */
635        opt.optionString = "-Xcheck:jni";
636        mOptions.add(opt);
637
638        /* set a cap on JNI global references */
639        opt.optionString = "-Xjnigreflimit:2000";
640        mOptions.add(opt);
641
642        /* with -Xcheck:jni, this provides a JNI function call trace */
643        //opt.optionString = "-verbose:jni";
644        //mOptions.add(opt);
645    }
646
647    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
648    property_get("dalvik.vm.lockprof.threshold", propBuf, "");
649    if (strlen(propBuf) > 0) {
650      strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:");
651      strcat(lockProfThresholdBuf, propBuf);
652      opt.optionString = lockProfThresholdBuf;
653      mOptions.add(opt);
654    }
655
656#if defined(WITH_JIT)
657    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
658    char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
659    property_get("dalvik.vm.jit.op", propBuf, "");
660    if (strlen(propBuf) > 0) {
661        strcpy(jitOpBuf, "-Xjitop:");
662        strcat(jitOpBuf, propBuf);
663        opt.optionString = jitOpBuf;
664        mOptions.add(opt);
665    }
666
667    /* Force interpreter-only mode for selected methods */
668    char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
669    property_get("dalvik.vm.jit.method", propBuf, "");
670    if (strlen(propBuf) > 0) {
671        strcpy(jitMethodBuf, "-Xjitmethod:");
672        strcat(jitMethodBuf, propBuf);
673        opt.optionString = jitMethodBuf;
674        mOptions.add(opt);
675    }
676#endif
677
678    if (executionMode == kEMIntPortable) {
679        opt.optionString = "-Xint:portable";
680        mOptions.add(opt);
681    } else if (executionMode == kEMIntFast) {
682        opt.optionString = "-Xint:fast";
683        mOptions.add(opt);
684#if defined(WITH_JIT)
685    } else if (executionMode == kEMJitCompiler) {
686        opt.optionString = "-Xint:jit";
687        mOptions.add(opt);
688#endif
689    }
690
691    if (checkDexSum) {
692        /* perform additional DEX checksum tests */
693        opt.optionString = "-Xcheckdexsum";
694        mOptions.add(opt);
695    }
696
697    if (logStdio) {
698        /* convert stdout/stderr to log messages */
699        opt.optionString = "-Xlog-stdio";
700        mOptions.add(opt);
701    }
702
703    if (enableAssertBuf[4] != '\0') {
704        /* accept "all" to mean "all classes and packages" */
705        if (strcmp(enableAssertBuf+4, "all") == 0)
706            enableAssertBuf[3] = '\0';
707        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
708        opt.optionString = enableAssertBuf;
709        mOptions.add(opt);
710    } else {
711        ALOGV("Assertions disabled\n");
712    }
713
714    if (jniOptsBuf[10] != '\0') {
715        LOGI("JNI options: '%s'\n", jniOptsBuf);
716        opt.optionString = jniOptsBuf;
717        mOptions.add(opt);
718    }
719
720    if (stackTraceFileBuf[0] != '\0') {
721        static const char* stfOptName = "-Xstacktracefile:";
722
723        stackTraceFile = (char*) malloc(strlen(stfOptName) +
724            strlen(stackTraceFileBuf) +1);
725        strcpy(stackTraceFile, stfOptName);
726        strcat(stackTraceFile, stackTraceFileBuf);
727        opt.optionString = stackTraceFile;
728        mOptions.add(opt);
729    }
730
731    /* extra options; parse this late so it overrides others */
732    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
733    parseExtraOpts(extraOptsBuf);
734
735    /* Set the properties for locale */
736    {
737        char langOption[sizeof("-Duser.language=") + 3];
738        char regionOption[sizeof("-Duser.region=") + 3];
739        strcpy(langOption, "-Duser.language=");
740        strcpy(regionOption, "-Duser.region=");
741        readLocale(langOption, regionOption);
742        opt.extraInfo = NULL;
743        opt.optionString = langOption;
744        mOptions.add(opt);
745        opt.optionString = regionOption;
746        mOptions.add(opt);
747    }
748
749    /*
750     * We don't have /tmp on the device, but we often have an SD card.  Apps
751     * shouldn't use this, but some test suites might want to exercise it.
752     */
753    opt.optionString = "-Djava.io.tmpdir=/sdcard";
754    mOptions.add(opt);
755
756    initArgs.version = JNI_VERSION_1_4;
757    initArgs.options = mOptions.editArray();
758    initArgs.nOptions = mOptions.size();
759    initArgs.ignoreUnrecognized = JNI_FALSE;
760
761    /*
762     * Initialize the VM.
763     *
764     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
765     * If this call succeeds, the VM is ready, and we can start issuing
766     * JNI calls.
767     */
768    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
769        LOGE("JNI_CreateJavaVM failed\n");
770        goto bail;
771    }
772
773    result = 0;
774
775bail:
776    free(stackTraceFile);
777    return result;
778}
779
780char* AndroidRuntime::toSlashClassName(const char* className)
781{
782    char* result = strdup(className);
783    for (char* cp = result; *cp != '\0'; cp++) {
784        if (*cp == '.') {
785            *cp = '/';
786        }
787    }
788    return result;
789}
790
791/*
792 * Start the Android runtime.  This involves starting the virtual machine
793 * and calling the "static void main(String[] args)" method in the class
794 * named by "className".
795 *
796 * Passes the main function two arguments, the class name and the specified
797 * options string.
798 */
799void AndroidRuntime::start(const char* className, const char* options)
800{
801    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
802            className != NULL ? className : "(unknown)");
803
804    blockSigpipe();
805
806    /*
807     * 'startSystemServer == true' means runtime is obsolete and not run from
808     * init.rc anymore, so we print out the boot start event here.
809     */
810    if (strcmp(options, "start-system-server") == 0) {
811        /* track our progress through the boot sequence */
812        const int LOG_BOOT_PROGRESS_START = 3000;
813        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
814                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
815    }
816
817    const char* rootDir = getenv("ANDROID_ROOT");
818    if (rootDir == NULL) {
819        rootDir = "/system";
820        if (!hasDir("/system")) {
821            LOG_FATAL("No root directory specified, and /android does not exist.");
822            return;
823        }
824        setenv("ANDROID_ROOT", rootDir, 1);
825    }
826
827    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
828    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
829
830    /* start the virtual machine */
831    JNIEnv* env;
832    if (startVm(&mJavaVM, &env) != 0) {
833        return;
834    }
835    onVmCreated(env);
836
837    /*
838     * Register android functions.
839     */
840    if (startReg(env) < 0) {
841        LOGE("Unable to register all android natives\n");
842        return;
843    }
844
845    /*
846     * We want to call main() with a String array with arguments in it.
847     * At present we have two arguments, the class name and an option string.
848     * Create an array to hold them.
849     */
850    jclass stringClass;
851    jobjectArray strArray;
852    jstring classNameStr;
853    jstring optionsStr;
854
855    stringClass = env->FindClass("java/lang/String");
856    assert(stringClass != NULL);
857    strArray = env->NewObjectArray(2, stringClass, NULL);
858    assert(strArray != NULL);
859    classNameStr = env->NewStringUTF(className);
860    assert(classNameStr != NULL);
861    env->SetObjectArrayElement(strArray, 0, classNameStr);
862    optionsStr = env->NewStringUTF(options);
863    env->SetObjectArrayElement(strArray, 1, optionsStr);
864
865    /*
866     * Start VM.  This thread becomes the main thread of the VM, and will
867     * not return until the VM exits.
868     */
869    char* slashClassName = toSlashClassName(className);
870    jclass startClass = env->FindClass(slashClassName);
871    if (startClass == NULL) {
872        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
873        /* keep going */
874    } else {
875        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
876            "([Ljava/lang/String;)V");
877        if (startMeth == NULL) {
878            LOGE("JavaVM unable to find main() in '%s'\n", className);
879            /* keep going */
880        } else {
881            env->CallStaticVoidMethod(startClass, startMeth, strArray);
882
883#if 0
884            if (env->ExceptionCheck())
885                threadExitUncaughtException(env);
886#endif
887        }
888    }
889    free(slashClassName);
890
891    ALOGD("Shutting down VM\n");
892    if (mJavaVM->DetachCurrentThread() != JNI_OK)
893        LOGW("Warning: unable to detach main thread\n");
894    if (mJavaVM->DestroyJavaVM() != 0)
895        LOGW("Warning: VM did not shut down cleanly\n");
896}
897
898void AndroidRuntime::onExit(int code)
899{
900    ALOGV("AndroidRuntime onExit calling exit(%d)", code);
901    exit(code);
902}
903
904void AndroidRuntime::onVmCreated(JNIEnv* env)
905{
906    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
907}
908
909/*
910 * Get the JNIEnv pointer for this thread.
911 *
912 * Returns NULL if the slot wasn't allocated or populated.
913 */
914/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
915{
916    JNIEnv* env;
917    JavaVM* vm = AndroidRuntime::getJavaVM();
918    assert(vm != NULL);
919
920    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
921        return NULL;
922    return env;
923}
924
925/*
926 * Makes the current thread visible to the VM.
927 *
928 * The JNIEnv pointer returned is only valid for the current thread, and
929 * thus must be tucked into thread-local storage.
930 */
931static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
932{
933    JavaVMAttachArgs args;
934    JavaVM* vm;
935    jint result;
936
937    vm = AndroidRuntime::getJavaVM();
938    assert(vm != NULL);
939
940    args.version = JNI_VERSION_1_4;
941    args.name = (char*) threadName;
942    args.group = NULL;
943
944    result = vm->AttachCurrentThread(pEnv, (void*) &args);
945    if (result != JNI_OK)
946        LOGI("NOTE: attach of thread '%s' failed\n", threadName);
947
948    return result;
949}
950
951/*
952 * Detach the current thread from the set visible to the VM.
953 */
954static int javaDetachThread(void)
955{
956    JavaVM* vm;
957    jint result;
958
959    vm = AndroidRuntime::getJavaVM();
960    assert(vm != NULL);
961
962    result = vm->DetachCurrentThread();
963    if (result != JNI_OK)
964        LOGE("ERROR: thread detach failed\n");
965    return result;
966}
967
968/*
969 * When starting a native thread that will be visible from the VM, we
970 * bounce through this to get the right attach/detach action.
971 * Note that this function calls free(args)
972 */
973/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
974    void* start = ((void**)args)[0];
975    void* userData = ((void **)args)[1];
976    char* name = (char*) ((void **)args)[2];        // we own this storage
977    free(args);
978    JNIEnv* env;
979    int result;
980
981    /* hook us into the VM */
982    if (javaAttachThread(name, &env) != JNI_OK)
983        return -1;
984
985    /* start the thread running */
986    result = (*(android_thread_func_t)start)(userData);
987
988    /* unhook us */
989    javaDetachThread();
990    free(name);
991
992    return result;
993}
994
995/*
996 * This is invoked from androidCreateThreadEtc() via the callback
997 * set with androidSetCreateThreadFunc().
998 *
999 * We need to create the new thread in such a way that it gets hooked
1000 * into the VM before it really starts executing.
1001 */
1002/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1003                                android_thread_func_t entryFunction,
1004                                void* userData,
1005                                const char* threadName,
1006                                int32_t threadPriority,
1007                                size_t threadStackSize,
1008                                android_thread_id_t* threadId)
1009{
1010    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1011    int result;
1012
1013    assert(threadName != NULL);
1014
1015    args[0] = (void*) entryFunction;
1016    args[1] = userData;
1017    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1018
1019    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1020        threadName, threadPriority, threadStackSize, threadId);
1021    return result;
1022}
1023
1024/*
1025 * Create a thread that is visible from the VM.
1026 *
1027 * This is called from elsewhere in the library.
1028 */
1029/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1030    void (*start)(void *), void* arg)
1031{
1032    android_thread_id_t threadId = 0;
1033    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1034        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1035    return threadId;
1036}
1037
1038#if 0
1039static void quickTest(void* arg)
1040{
1041    const char* str = (const char*) arg;
1042
1043    printf("In quickTest: %s\n", str);
1044}
1045#endif
1046
1047#ifdef NDEBUG
1048    #define REG_JNI(name)      { name }
1049    struct RegJNIRec {
1050        int (*mProc)(JNIEnv*);
1051    };
1052#else
1053    #define REG_JNI(name)      { name, #name }
1054    struct RegJNIRec {
1055        int (*mProc)(JNIEnv*);
1056        const char* mName;
1057    };
1058#endif
1059
1060typedef void (*RegJAMProc)();
1061
1062static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1063{
1064    for (size_t i = 0; i < count; i++) {
1065        if (array[i].mProc(env) < 0) {
1066#ifndef NDEBUG
1067            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1068#endif
1069            return -1;
1070        }
1071    }
1072    return 0;
1073}
1074
1075static void register_jam_procs(const RegJAMProc array[], size_t count)
1076{
1077    for (size_t i = 0; i < count; i++) {
1078        array[i]();
1079    }
1080}
1081
1082static const RegJNIRec gRegJNI[] = {
1083    REG_JNI(register_android_debug_JNITest),
1084    REG_JNI(register_com_android_internal_os_RuntimeInit),
1085    REG_JNI(register_android_os_SystemClock),
1086    REG_JNI(register_android_util_EventLog),
1087    REG_JNI(register_android_util_Log),
1088    REG_JNI(register_android_util_FloatMath),
1089    REG_JNI(register_android_text_format_Time),
1090    REG_JNI(register_android_content_AssetManager),
1091    REG_JNI(register_android_content_StringBlock),
1092    REG_JNI(register_android_content_XmlBlock),
1093    REG_JNI(register_android_emoji_EmojiFactory),
1094    REG_JNI(register_android_text_AndroidCharacter),
1095    REG_JNI(register_android_text_AndroidBidi),
1096    REG_JNI(register_android_text_KeyCharacterMap),
1097    REG_JNI(register_android_os_Process),
1098    REG_JNI(register_android_os_SystemProperties),
1099    REG_JNI(register_android_os_Binder),
1100    REG_JNI(register_android_view_Display),
1101    REG_JNI(register_android_nio_utils),
1102    REG_JNI(register_android_graphics_PixelFormat),
1103    REG_JNI(register_android_graphics_Graphics),
1104    REG_JNI(register_android_view_GLES20Canvas),
1105    REG_JNI(register_android_view_HardwareRenderer),
1106    REG_JNI(register_android_view_Surface),
1107    REG_JNI(register_android_view_TextureView),
1108    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1109    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1110    REG_JNI(register_android_opengl_jni_GLES10),
1111    REG_JNI(register_android_opengl_jni_GLES10Ext),
1112    REG_JNI(register_android_opengl_jni_GLES11),
1113    REG_JNI(register_android_opengl_jni_GLES11Ext),
1114    REG_JNI(register_android_opengl_jni_GLES20),
1115
1116    REG_JNI(register_android_graphics_Bitmap),
1117    REG_JNI(register_android_graphics_BitmapFactory),
1118    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1119    REG_JNI(register_android_graphics_Camera),
1120    REG_JNI(register_android_graphics_Canvas),
1121    REG_JNI(register_android_graphics_ColorFilter),
1122    REG_JNI(register_android_graphics_DrawFilter),
1123    REG_JNI(register_android_graphics_Interpolator),
1124    REG_JNI(register_android_graphics_LayerRasterizer),
1125    REG_JNI(register_android_graphics_MaskFilter),
1126    REG_JNI(register_android_graphics_Matrix),
1127    REG_JNI(register_android_graphics_Movie),
1128    REG_JNI(register_android_graphics_NinePatch),
1129    REG_JNI(register_android_graphics_Paint),
1130    REG_JNI(register_android_graphics_Path),
1131    REG_JNI(register_android_graphics_PathMeasure),
1132    REG_JNI(register_android_graphics_PathEffect),
1133    REG_JNI(register_android_graphics_Picture),
1134    REG_JNI(register_android_graphics_PorterDuff),
1135    REG_JNI(register_android_graphics_Rasterizer),
1136    REG_JNI(register_android_graphics_Region),
1137    REG_JNI(register_android_graphics_Shader),
1138    REG_JNI(register_android_graphics_SurfaceTexture),
1139    REG_JNI(register_android_graphics_Typeface),
1140    REG_JNI(register_android_graphics_Xfermode),
1141    REG_JNI(register_android_graphics_YuvImage),
1142
1143    REG_JNI(register_android_database_CursorWindow),
1144    REG_JNI(register_android_database_SQLiteCompiledSql),
1145    REG_JNI(register_android_database_SQLiteDatabase),
1146    REG_JNI(register_android_database_SQLiteDebug),
1147    REG_JNI(register_android_database_SQLiteProgram),
1148    REG_JNI(register_android_database_SQLiteQuery),
1149    REG_JNI(register_android_database_SQLiteStatement),
1150    REG_JNI(register_android_os_Debug),
1151    REG_JNI(register_android_os_FileObserver),
1152    REG_JNI(register_android_os_FileUtils),
1153    REG_JNI(register_android_os_MessageQueue),
1154    REG_JNI(register_android_os_ParcelFileDescriptor),
1155    REG_JNI(register_android_os_Power),
1156    REG_JNI(register_android_os_StatFs),
1157    REG_JNI(register_android_os_UEventObserver),
1158    REG_JNI(register_android_net_LocalSocketImpl),
1159    REG_JNI(register_android_net_NetworkUtils),
1160    REG_JNI(register_android_net_TrafficStats),
1161    REG_JNI(register_android_net_wifi_WifiManager),
1162    REG_JNI(register_android_nfc_NdefMessage),
1163    REG_JNI(register_android_nfc_NdefRecord),
1164    REG_JNI(register_android_os_MemoryFile),
1165    REG_JNI(register_com_android_internal_os_ZygoteInit),
1166    REG_JNI(register_android_hardware_Camera),
1167    REG_JNI(register_android_hardware_SensorManager),
1168    REG_JNI(register_android_hardware_UsbDevice),
1169    REG_JNI(register_android_hardware_UsbDeviceConnection),
1170    REG_JNI(register_android_hardware_UsbRequest),
1171    REG_JNI(register_android_media_AudioRecord),
1172    REG_JNI(register_android_media_AudioSystem),
1173    REG_JNI(register_android_media_AudioTrack),
1174    REG_JNI(register_android_media_JetPlayer),
1175    REG_JNI(register_android_media_ToneGenerator),
1176
1177    REG_JNI(register_android_opengl_classes),
1178    REG_JNI(register_android_bluetooth_HeadsetBase),
1179    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1180    REG_JNI(register_android_bluetooth_BluetoothSocket),
1181    REG_JNI(register_android_server_BluetoothService),
1182    REG_JNI(register_android_server_BluetoothEventLoop),
1183    REG_JNI(register_android_server_BluetoothA2dpService),
1184    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1185    REG_JNI(register_android_server_Watchdog),
1186    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1187    REG_JNI(register_android_backup_BackupDataInput),
1188    REG_JNI(register_android_backup_BackupDataOutput),
1189    REG_JNI(register_android_backup_FileBackupHelperBase),
1190    REG_JNI(register_android_backup_BackupHelperDispatcher),
1191    REG_JNI(register_android_app_backup_FullBackup),
1192    REG_JNI(register_android_app_ActivityThread),
1193    REG_JNI(register_android_app_NativeActivity),
1194    REG_JNI(register_android_view_InputChannel),
1195    REG_JNI(register_android_view_InputQueue),
1196    REG_JNI(register_android_view_KeyEvent),
1197    REG_JNI(register_android_view_MotionEvent),
1198    REG_JNI(register_android_view_PointerIcon),
1199    REG_JNI(register_android_view_VelocityTracker),
1200
1201    REG_JNI(register_android_content_res_ObbScanner),
1202    REG_JNI(register_android_content_res_Configuration),
1203
1204    REG_JNI(register_android_animation_PropertyValuesHolder),
1205    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1206};
1207
1208/*
1209 * Register android native functions with the VM.
1210 */
1211/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1212{
1213    /*
1214     * This hook causes all future threads created in this process to be
1215     * attached to the JavaVM.  (This needs to go away in favor of JNI
1216     * Attach calls.)
1217     */
1218    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1219
1220    ALOGV("--- registering native functions ---\n");
1221
1222    /*
1223     * Every "register" function calls one or more things that return
1224     * a local reference (e.g. FindClass).  Because we haven't really
1225     * started the VM yet, they're all getting stored in the base frame
1226     * and never released.  Use Push/Pop to manage the storage.
1227     */
1228    env->PushLocalFrame(200);
1229
1230    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1231        env->PopLocalFrame(NULL);
1232        return -1;
1233    }
1234    env->PopLocalFrame(NULL);
1235
1236    //createJavaThread("fubar", quickTest, (void*) "hello");
1237
1238    return 0;
1239}
1240
1241AndroidRuntime* AndroidRuntime::getRuntime()
1242{
1243    return gCurRuntime;
1244}
1245
1246/**
1247 * Used by WithFramework to register native functions.
1248 */
1249extern "C"
1250jint Java_com_android_internal_util_WithFramework_registerNatives(
1251        JNIEnv* env, jclass clazz) {
1252    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1253}
1254
1255/**
1256 * Used by LoadClass to register native functions.
1257 */
1258extern "C"
1259jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1260    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1261}
1262
1263}   // namespace android
1264