AndroidRuntime.cpp revision 71f2cf116aab893e224056c38ab146bd1538dd3e 
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_Surface(JNIEnv* env);
120extern int register_android_view_TextureView(JNIEnv* env);
121extern int register_android_database_CursorWindow(JNIEnv* env);
122extern int register_android_database_SQLiteCompiledSql(JNIEnv* env);
123extern int register_android_database_SQLiteDatabase(JNIEnv* env);
124extern int register_android_database_SQLiteDebug(JNIEnv* env);
125extern int register_android_database_SQLiteProgram(JNIEnv* env);
126extern int register_android_database_SQLiteQuery(JNIEnv* env);
127extern int register_android_database_SQLiteStatement(JNIEnv* env);
128extern int register_android_debug_JNITest(JNIEnv* env);
129extern int register_android_nio_utils(JNIEnv* env);
130extern int register_android_nfc_NdefMessage(JNIEnv *env);
131extern int register_android_nfc_NdefRecord(JNIEnv *env);
132extern int register_android_text_format_Time(JNIEnv* env);
133extern int register_android_os_Debug(JNIEnv* env);
134extern int register_android_os_MessageQueue(JNIEnv* env);
135extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
136extern int register_android_os_Power(JNIEnv *env);
137extern int register_android_os_StatFs(JNIEnv *env);
138extern int register_android_os_SystemProperties(JNIEnv *env);
139extern int register_android_os_SystemClock(JNIEnv* env);
140extern int register_android_os_FileObserver(JNIEnv *env);
141extern int register_android_os_FileUtils(JNIEnv *env);
142extern int register_android_os_UEventObserver(JNIEnv* env);
143extern int register_android_os_MemoryFile(JNIEnv* env);
144extern int register_android_net_LocalSocketImpl(JNIEnv* env);
145extern int register_android_net_NetworkUtils(JNIEnv* env);
146extern int register_android_net_TrafficStats(JNIEnv* env);
147extern int register_android_net_wifi_WifiManager(JNIEnv* env);
148extern int register_android_text_AndroidCharacter(JNIEnv *env);
149extern int register_android_text_AndroidBidi(JNIEnv *env);
150extern int register_android_text_KeyCharacterMap(JNIEnv *env);
151extern int register_android_opengl_classes(JNIEnv *env);
152extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
153extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
154extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env);
155extern int register_android_server_BluetoothService(JNIEnv* env);
156extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
157extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
158extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
159extern int register_android_server_Watchdog(JNIEnv* env);
160extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
161extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
162extern int register_android_backup_BackupDataInput(JNIEnv *env);
163extern int register_android_backup_BackupDataOutput(JNIEnv *env);
164extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
165extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
166extern int register_android_app_backup_FullBackup(JNIEnv *env);
167extern int register_android_app_ActivityThread(JNIEnv *env);
168extern int register_android_app_NativeActivity(JNIEnv *env);
169extern int register_android_view_InputChannel(JNIEnv* env);
170extern int register_android_view_InputQueue(JNIEnv* env);
171extern int register_android_view_KeyEvent(JNIEnv* env);
172extern int register_android_view_MotionEvent(JNIEnv* env);
173extern int register_android_view_PointerIcon(JNIEnv* env);
174extern int register_android_view_VelocityTracker(JNIEnv* env);
175extern int register_android_content_res_ObbScanner(JNIEnv* env);
176extern int register_android_content_res_Configuration(JNIEnv* env);
177extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
178extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
179
180static AndroidRuntime* gCurRuntime = NULL;
181
182static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
183{
184    if (jniThrowException(env, exc, msg) != 0)
185        assert(false);
186}
187
188/*
189 * Code written in the Java Programming Language calls here from main().
190 */
191static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
192{
193    gCurRuntime->onStarted();
194}
195
196static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
197{
198    gCurRuntime->onZygoteInit();
199}
200
201static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
202{
203    return 1;
204}
205
206static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
207{
208}
209
210static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
211{
212    char* value = getenv("qwerty");
213    if (value != NULL && strcmp(value, "true") == 0) {
214        return 1;
215    }
216
217    return 0;
218}
219
220/*
221 * JNI registration.
222 */
223static JNINativeMethod gMethods[] = {
224    { "finishInit", "()V",
225        (void*) com_android_internal_os_RuntimeInit_finishInit },
226    { "zygoteInitNative", "()V",
227        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
228    { "isComputerOn", "()I",
229        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
230    { "turnComputerOn", "()V",
231        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
232    { "getQwertyKeyboard", "()I",
233        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
234};
235
236int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
237{
238    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
239        gMethods, NELEM(gMethods));
240}
241
242// ----------------------------------------------------------------------
243
244/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
245
246
247AndroidRuntime::AndroidRuntime()
248{
249    SkGraphics::Init();
250    // this sets our preference for 16bit images during decode
251    // in case the src is opaque and 24bit
252    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
253    // This cache is shared between browser native images, and java "purgeable"
254    // bitmaps. This globalpool is for images that do not either use the java
255    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
256    // java call site.
257    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
258    // There is also a global font cache, but its budget is specified in code
259    // see SkFontHost_android.cpp
260
261    // Pre-allocate enough space to hold a fair number of options.
262    mOptions.setCapacity(20);
263
264    assert(gCurRuntime == NULL);        // one per process
265    gCurRuntime = this;
266}
267
268AndroidRuntime::~AndroidRuntime()
269{
270    SkGraphics::Term();
271}
272
273/*
274 * Register native methods using JNI.
275 */
276/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
277    const char* className, const JNINativeMethod* gMethods, int numMethods)
278{
279    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
280}
281
282status_t AndroidRuntime::callMain(const char* className,
283    jclass clazz, int argc, const char* const argv[])
284{
285    JNIEnv* env;
286    jmethodID methodId;
287
288    LOGD("Calling main entry %s", className);
289
290    env = getJNIEnv();
291    if (clazz == NULL || env == NULL) {
292        return UNKNOWN_ERROR;
293    }
294
295    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
296    if (methodId == NULL) {
297        LOGE("ERROR: could not find method %s.main(String[])\n", className);
298        return UNKNOWN_ERROR;
299    }
300
301    /*
302     * We want to call main() with a String array with our arguments in it.
303     * Create an array and populate it.
304     */
305    jclass stringClass;
306    jobjectArray strArray;
307
308    stringClass = env->FindClass("java/lang/String");
309    strArray = env->NewObjectArray(argc, stringClass, NULL);
310
311    for (int i = 0; i < argc; i++) {
312        jstring argStr = env->NewStringUTF(argv[i]);
313        env->SetObjectArrayElement(strArray, i, argStr);
314    }
315
316    env->CallStaticVoidMethod(clazz, methodId, strArray);
317    return NO_ERROR;
318}
319
320/*
321 * The VM calls this through the "exit" hook.
322 */
323static void runtime_exit(int code)
324{
325    gCurRuntime->onExit(code);
326    exit(code);
327}
328
329/*
330 * The VM calls this through the "vfprintf" hook.
331 *
332 * We ignore "fp" and just write the results to the log file.
333 */
334static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
335{
336    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
337}
338
339/**
340 * The VM calls this when mutex contention debugging is enabled to
341 * determine whether or not the blocked thread was a "sensitive thread"
342 * for user responsiveness/smoothess.
343 *
344 * Our policy for this is whether or not we're tracing any StrictMode
345 * events on this thread (which we might've inherited via Binder calls
346 * into us)
347 */
348static bool runtime_isSensitiveThread() {
349    IPCThreadState* state = IPCThreadState::selfOrNull();
350    return state && state->getStrictModePolicy() != 0;
351}
352
353
354/**
355 * Add VM arguments to the to-be-executed VM
356 * Stops at first non '-' argument (also stops at an argument of '--')
357 * Returns the number of args consumed
358 */
359int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
360{
361    int i;
362
363    for (i = 0; i<argc; i++) {
364        if (argv[i][0] != '-') {
365            return i;
366        }
367        if (argv[i][1] == '-' && argv[i][2] == 0) {
368            return i+1;
369        }
370
371        JavaVMOption opt;
372        memset(&opt, 0, sizeof(opt));
373        opt.optionString = (char*)argv[i];
374        mOptions.add(opt);
375    }
376    return i;
377}
378
379static int hasDir(const char* dir)
380{
381    struct stat s;
382    int res = stat(dir, &s);
383    if (res == 0) {
384        return S_ISDIR(s.st_mode);
385    }
386    return 0;
387}
388
389/*
390 * We just want failed write() calls to just return with an error.
391 */
392static void blockSigpipe()
393{
394    sigset_t mask;
395
396    sigemptyset(&mask);
397    sigaddset(&mask, SIGPIPE);
398    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
399        LOGW("WARNING: SIGPIPE not blocked\n");
400}
401
402/*
403 * Read the persistent locale.
404 */
405static void readLocale(char* language, char* region)
406{
407    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
408
409    property_get("persist.sys.language", propLang, "");
410    property_get("persist.sys.country", propRegn, "");
411    if (*propLang == 0 && *propRegn == 0) {
412        /* Set to ro properties, default is en_US */
413        property_get("ro.product.locale.language", propLang, "en");
414        property_get("ro.product.locale.region", propRegn, "US");
415    }
416    strncat(language, propLang, 2);
417    strncat(region, propRegn, 2);
418    //LOGD("language=%s region=%s\n", language, region);
419}
420
421/*
422 * Parse a property containing space-separated options that should be
423 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
424 *
425 * This will cut up "extraOptsBuf" as we chop it into individual options.
426 *
427 * Adds the strings, if any, to mOptions.
428 */
429void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
430{
431    JavaVMOption opt;
432    char* start;
433    char* end;
434
435    memset(&opt, 0, sizeof(opt));
436    start = extraOptsBuf;
437    while (*start != '\0') {
438        while (*start == ' ')                   /* skip leading whitespace */
439            start++;
440        if (*start == '\0')                     /* was trailing ws, bail */
441            break;
442
443        end = start+1;
444        while (*end != ' ' && *end != '\0')     /* find end of token */
445            end++;
446        if (*end == ' ')
447            *end++ = '\0';          /* mark end, advance to indicate more */
448
449        opt.optionString = start;
450        mOptions.add(opt);
451        start = end;
452    }
453}
454
455/*
456 * Start the Dalvik Virtual Machine.
457 *
458 * Various arguments, most determined by system properties, are passed in.
459 * The "mOptions" vector is updated.
460 *
461 * Returns 0 on success.
462 */
463int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
464{
465    int result = -1;
466    JavaVMInitArgs initArgs;
467    JavaVMOption opt;
468    char propBuf[PROPERTY_VALUE_MAX];
469    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
470    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
471    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
472    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
473    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
474    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
475    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
476    char extraOptsBuf[PROPERTY_VALUE_MAX];
477    char* stackTraceFile = NULL;
478    bool checkJni = false;
479    bool checkDexSum = false;
480    bool logStdio = false;
481    enum {
482      kEMDefault,
483      kEMIntPortable,
484      kEMIntFast,
485#if defined(WITH_JIT)
486      kEMJitCompiler,
487#endif
488    } executionMode = kEMDefault;
489
490
491    property_get("dalvik.vm.checkjni", propBuf, "");
492    if (strcmp(propBuf, "true") == 0) {
493        checkJni = true;
494    } else if (strcmp(propBuf, "false") != 0) {
495        /* property is neither true nor false; fall back on kernel parameter */
496        property_get("ro.kernel.android.checkjni", propBuf, "");
497        if (propBuf[0] == '1') {
498            checkJni = true;
499        }
500    }
501
502    property_get("dalvik.vm.execution-mode", propBuf, "");
503    if (strcmp(propBuf, "int:portable") == 0) {
504        executionMode = kEMIntPortable;
505    } else if (strcmp(propBuf, "int:fast") == 0) {
506        executionMode = kEMIntFast;
507#if defined(WITH_JIT)
508    } else if (strcmp(propBuf, "int:jit") == 0) {
509        executionMode = kEMJitCompiler;
510#endif
511    }
512
513    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
514
515    property_get("dalvik.vm.check-dex-sum", propBuf, "");
516    if (strcmp(propBuf, "true") == 0) {
517        checkDexSum = true;
518    }
519
520    property_get("log.redirect-stdio", propBuf, "");
521    if (strcmp(propBuf, "true") == 0) {
522        logStdio = true;
523    }
524
525    strcpy(enableAssertBuf, "-ea:");
526    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
527
528    strcpy(jniOptsBuf, "-Xjniopts:");
529    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
530
531    /* route exit() to our handler */
532    opt.extraInfo = (void*) runtime_exit;
533    opt.optionString = "exit";
534    mOptions.add(opt);
535
536    /* route fprintf() to our handler */
537    opt.extraInfo = (void*) runtime_vfprintf;
538    opt.optionString = "vfprintf";
539    mOptions.add(opt);
540
541    /* register the framework-specific "is sensitive thread" hook */
542    opt.extraInfo = (void*) runtime_isSensitiveThread;
543    opt.optionString = "sensitiveThread";
544    mOptions.add(opt);
545
546    opt.extraInfo = NULL;
547
548    /* enable verbose; standard options are { jni, gc, class } */
549    //options[curOpt++].optionString = "-verbose:jni";
550    opt.optionString = "-verbose:gc";
551    mOptions.add(opt);
552    //options[curOpt++].optionString = "-verbose:class";
553
554    /*
555     * The default starting and maximum size of the heap.  Larger
556     * values should be specified in a product property override.
557     */
558    strcpy(heapstartsizeOptsBuf, "-Xms");
559    property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m");
560    opt.optionString = heapstartsizeOptsBuf;
561    mOptions.add(opt);
562    strcpy(heapsizeOptsBuf, "-Xmx");
563    property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
564    opt.optionString = heapsizeOptsBuf;
565    mOptions.add(opt);
566
567    strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
568    property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, "");
569    if (heapgrowthlimitOptsBuf[20] != '\0') {
570        opt.optionString = heapgrowthlimitOptsBuf;
571        mOptions.add(opt);
572    }
573
574    /*
575     * Enable or disable dexopt features, such as bytecode verification and
576     * calculation of register maps for precise GC.
577     */
578    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
579    if (dexoptFlagsBuf[0] != '\0') {
580        const char* opc;
581        const char* val;
582
583        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
584        if (opc != NULL) {
585            switch (*(opc+2)) {
586            case 'n':   val = "-Xverify:none";      break;
587            case 'r':   val = "-Xverify:remote";    break;
588            case 'a':   val = "-Xverify:all";       break;
589            default:    val = NULL;                 break;
590            }
591
592            if (val != NULL) {
593                opt.optionString = val;
594                mOptions.add(opt);
595            }
596        }
597
598        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
599        if (opc != NULL) {
600            switch (*(opc+2)) {
601            case 'n':   val = "-Xdexopt:none";      break;
602            case 'v':   val = "-Xdexopt:verified";  break;
603            case 'a':   val = "-Xdexopt:all";       break;
604            case 'f':   val = "-Xdexopt:full";      break;
605            default:    val = NULL;                 break;
606            }
607
608            if (val != NULL) {
609                opt.optionString = val;
610                mOptions.add(opt);
611            }
612        }
613
614        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
615        if (opc != NULL) {
616            opt.optionString = "-Xgenregmap";
617            mOptions.add(opt);
618
619            /* turn on precise GC while we're at it */
620            opt.optionString = "-Xgc:precise";
621            mOptions.add(opt);
622        }
623    }
624
625    /* enable debugging; set suspend=y to pause during VM init */
626    /* use android ADB transport */
627    opt.optionString =
628        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
629    mOptions.add(opt);
630
631    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
632    if (checkJni) {
633        /* extended JNI checking */
634        opt.optionString = "-Xcheck:jni";
635        mOptions.add(opt);
636
637        /* set a cap on JNI global references */
638        opt.optionString = "-Xjnigreflimit:2000";
639        mOptions.add(opt);
640
641        /* with -Xcheck:jni, this provides a JNI function call trace */
642        //opt.optionString = "-verbose:jni";
643        //mOptions.add(opt);
644    }
645
646    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
647    property_get("dalvik.vm.lockprof.threshold", propBuf, "");
648    if (strlen(propBuf) > 0) {
649      strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:");
650      strcat(lockProfThresholdBuf, propBuf);
651      opt.optionString = lockProfThresholdBuf;
652      mOptions.add(opt);
653    }
654
655#if defined(WITH_JIT)
656    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
657    char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
658    property_get("dalvik.vm.jit.op", propBuf, "");
659    if (strlen(propBuf) > 0) {
660        strcpy(jitOpBuf, "-Xjitop:");
661        strcat(jitOpBuf, propBuf);
662        opt.optionString = jitOpBuf;
663        mOptions.add(opt);
664    }
665
666    /* Force interpreter-only mode for selected methods */
667    char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
668    property_get("dalvik.vm.jit.method", propBuf, "");
669    if (strlen(propBuf) > 0) {
670        strcpy(jitMethodBuf, "-Xjitmethod:");
671        strcat(jitMethodBuf, propBuf);
672        opt.optionString = jitMethodBuf;
673        mOptions.add(opt);
674    }
675#endif
676
677    if (executionMode == kEMIntPortable) {
678        opt.optionString = "-Xint:portable";
679        mOptions.add(opt);
680    } else if (executionMode == kEMIntFast) {
681        opt.optionString = "-Xint:fast";
682        mOptions.add(opt);
683#if defined(WITH_JIT)
684    } else if (executionMode == kEMJitCompiler) {
685        opt.optionString = "-Xint:jit";
686        mOptions.add(opt);
687#endif
688    }
689
690    if (checkDexSum) {
691        /* perform additional DEX checksum tests */
692        opt.optionString = "-Xcheckdexsum";
693        mOptions.add(opt);
694    }
695
696    if (logStdio) {
697        /* convert stdout/stderr to log messages */
698        opt.optionString = "-Xlog-stdio";
699        mOptions.add(opt);
700    }
701
702    if (enableAssertBuf[4] != '\0') {
703        /* accept "all" to mean "all classes and packages" */
704        if (strcmp(enableAssertBuf+4, "all") == 0)
705            enableAssertBuf[3] = '\0';
706        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
707        opt.optionString = enableAssertBuf;
708        mOptions.add(opt);
709    } else {
710        ALOGV("Assertions disabled\n");
711    }
712
713    if (jniOptsBuf[10] != '\0') {
714        LOGI("JNI options: '%s'\n", jniOptsBuf);
715        opt.optionString = jniOptsBuf;
716        mOptions.add(opt);
717    }
718
719    if (stackTraceFileBuf[0] != '\0') {
720        static const char* stfOptName = "-Xstacktracefile:";
721
722        stackTraceFile = (char*) malloc(strlen(stfOptName) +
723            strlen(stackTraceFileBuf) +1);
724        strcpy(stackTraceFile, stfOptName);
725        strcat(stackTraceFile, stackTraceFileBuf);
726        opt.optionString = stackTraceFile;
727        mOptions.add(opt);
728    }
729
730    /* extra options; parse this late so it overrides others */
731    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
732    parseExtraOpts(extraOptsBuf);
733
734    /* Set the properties for locale */
735    {
736        char langOption[sizeof("-Duser.language=") + 3];
737        char regionOption[sizeof("-Duser.region=") + 3];
738        strcpy(langOption, "-Duser.language=");
739        strcpy(regionOption, "-Duser.region=");
740        readLocale(langOption, regionOption);
741        opt.extraInfo = NULL;
742        opt.optionString = langOption;
743        mOptions.add(opt);
744        opt.optionString = regionOption;
745        mOptions.add(opt);
746    }
747
748    /*
749     * We don't have /tmp on the device, but we often have an SD card.  Apps
750     * shouldn't use this, but some test suites might want to exercise it.
751     */
752    opt.optionString = "-Djava.io.tmpdir=/sdcard";
753    mOptions.add(opt);
754
755    initArgs.version = JNI_VERSION_1_4;
756    initArgs.options = mOptions.editArray();
757    initArgs.nOptions = mOptions.size();
758    initArgs.ignoreUnrecognized = JNI_FALSE;
759
760    /*
761     * Initialize the VM.
762     *
763     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
764     * If this call succeeds, the VM is ready, and we can start issuing
765     * JNI calls.
766     */
767    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
768        LOGE("JNI_CreateJavaVM failed\n");
769        goto bail;
770    }
771
772    result = 0;
773
774bail:
775    free(stackTraceFile);
776    return result;
777}
778
779char* AndroidRuntime::toSlashClassName(const char* className)
780{
781    char* result = strdup(className);
782    for (char* cp = result; *cp != '\0'; cp++) {
783        if (*cp == '.') {
784            *cp = '/';
785        }
786    }
787    return result;
788}
789
790/*
791 * Start the Android runtime.  This involves starting the virtual machine
792 * and calling the "static void main(String[] args)" method in the class
793 * named by "className".
794 *
795 * Passes the main function two arguments, the class name and the specified
796 * options string.
797 */
798void AndroidRuntime::start(const char* className, const char* options)
799{
800    LOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
801            className != NULL ? className : "(unknown)");
802
803    blockSigpipe();
804
805    /*
806     * 'startSystemServer == true' means runtime is obsolete and not run from
807     * init.rc anymore, so we print out the boot start event here.
808     */
809    if (strcmp(options, "start-system-server") == 0) {
810        /* track our progress through the boot sequence */
811        const int LOG_BOOT_PROGRESS_START = 3000;
812        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
813                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
814    }
815
816    const char* rootDir = getenv("ANDROID_ROOT");
817    if (rootDir == NULL) {
818        rootDir = "/system";
819        if (!hasDir("/system")) {
820            LOG_FATAL("No root directory specified, and /android does not exist.");
821            return;
822        }
823        setenv("ANDROID_ROOT", rootDir, 1);
824    }
825
826    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
827    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
828
829    /* start the virtual machine */
830    JNIEnv* env;
831    if (startVm(&mJavaVM, &env) != 0) {
832        return;
833    }
834    onVmCreated(env);
835
836    /*
837     * Register android functions.
838     */
839    if (startReg(env) < 0) {
840        LOGE("Unable to register all android natives\n");
841        return;
842    }
843
844    /*
845     * We want to call main() with a String array with arguments in it.
846     * At present we have two arguments, the class name and an option string.
847     * Create an array to hold them.
848     */
849    jclass stringClass;
850    jobjectArray strArray;
851    jstring classNameStr;
852    jstring optionsStr;
853
854    stringClass = env->FindClass("java/lang/String");
855    assert(stringClass != NULL);
856    strArray = env->NewObjectArray(2, stringClass, NULL);
857    assert(strArray != NULL);
858    classNameStr = env->NewStringUTF(className);
859    assert(classNameStr != NULL);
860    env->SetObjectArrayElement(strArray, 0, classNameStr);
861    optionsStr = env->NewStringUTF(options);
862    env->SetObjectArrayElement(strArray, 1, optionsStr);
863
864    /*
865     * Start VM.  This thread becomes the main thread of the VM, and will
866     * not return until the VM exits.
867     */
868    char* slashClassName = toSlashClassName(className);
869    jclass startClass = env->FindClass(slashClassName);
870    if (startClass == NULL) {
871        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
872        /* keep going */
873    } else {
874        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
875            "([Ljava/lang/String;)V");
876        if (startMeth == NULL) {
877            LOGE("JavaVM unable to find main() in '%s'\n", className);
878            /* keep going */
879        } else {
880            env->CallStaticVoidMethod(startClass, startMeth, strArray);
881
882#if 0
883            if (env->ExceptionCheck())
884                threadExitUncaughtException(env);
885#endif
886        }
887    }
888    free(slashClassName);
889
890    LOGD("Shutting down VM\n");
891    if (mJavaVM->DetachCurrentThread() != JNI_OK)
892        LOGW("Warning: unable to detach main thread\n");
893    if (mJavaVM->DestroyJavaVM() != 0)
894        LOGW("Warning: VM did not shut down cleanly\n");
895}
896
897void AndroidRuntime::onExit(int code)
898{
899    ALOGV("AndroidRuntime onExit calling exit(%d)", code);
900    exit(code);
901}
902
903void AndroidRuntime::onVmCreated(JNIEnv* env)
904{
905    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
906}
907
908/*
909 * Get the JNIEnv pointer for this thread.
910 *
911 * Returns NULL if the slot wasn't allocated or populated.
912 */
913/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
914{
915    JNIEnv* env;
916    JavaVM* vm = AndroidRuntime::getJavaVM();
917    assert(vm != NULL);
918
919    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
920        return NULL;
921    return env;
922}
923
924/*
925 * Makes the current thread visible to the VM.
926 *
927 * The JNIEnv pointer returned is only valid for the current thread, and
928 * thus must be tucked into thread-local storage.
929 */
930static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
931{
932    JavaVMAttachArgs args;
933    JavaVM* vm;
934    jint result;
935
936    vm = AndroidRuntime::getJavaVM();
937    assert(vm != NULL);
938
939    args.version = JNI_VERSION_1_4;
940    args.name = (char*) threadName;
941    args.group = NULL;
942
943    result = vm->AttachCurrentThread(pEnv, (void*) &args);
944    if (result != JNI_OK)
945        LOGI("NOTE: attach of thread '%s' failed\n", threadName);
946
947    return result;
948}
949
950/*
951 * Detach the current thread from the set visible to the VM.
952 */
953static int javaDetachThread(void)
954{
955    JavaVM* vm;
956    jint result;
957
958    vm = AndroidRuntime::getJavaVM();
959    assert(vm != NULL);
960
961    result = vm->DetachCurrentThread();
962    if (result != JNI_OK)
963        LOGE("ERROR: thread detach failed\n");
964    return result;
965}
966
967/*
968 * When starting a native thread that will be visible from the VM, we
969 * bounce through this to get the right attach/detach action.
970 * Note that this function calls free(args)
971 */
972/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
973    void* start = ((void**)args)[0];
974    void* userData = ((void **)args)[1];
975    char* name = (char*) ((void **)args)[2];        // we own this storage
976    free(args);
977    JNIEnv* env;
978    int result;
979
980    /* hook us into the VM */
981    if (javaAttachThread(name, &env) != JNI_OK)
982        return -1;
983
984    /* start the thread running */
985    result = (*(android_thread_func_t)start)(userData);
986
987    /* unhook us */
988    javaDetachThread();
989    free(name);
990
991    return result;
992}
993
994/*
995 * This is invoked from androidCreateThreadEtc() via the callback
996 * set with androidSetCreateThreadFunc().
997 *
998 * We need to create the new thread in such a way that it gets hooked
999 * into the VM before it really starts executing.
1000 */
1001/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1002                                android_thread_func_t entryFunction,
1003                                void* userData,
1004                                const char* threadName,
1005                                int32_t threadPriority,
1006                                size_t threadStackSize,
1007                                android_thread_id_t* threadId)
1008{
1009    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1010    int result;
1011
1012    assert(threadName != NULL);
1013
1014    args[0] = (void*) entryFunction;
1015    args[1] = userData;
1016    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1017
1018    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1019        threadName, threadPriority, threadStackSize, threadId);
1020    return result;
1021}
1022
1023/*
1024 * Create a thread that is visible from the VM.
1025 *
1026 * This is called from elsewhere in the library.
1027 */
1028/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1029    void (*start)(void *), void* arg)
1030{
1031    android_thread_id_t threadId = 0;
1032    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1033        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1034    return threadId;
1035}
1036
1037#if 0
1038static void quickTest(void* arg)
1039{
1040    const char* str = (const char*) arg;
1041
1042    printf("In quickTest: %s\n", str);
1043}
1044#endif
1045
1046#ifdef NDEBUG
1047    #define REG_JNI(name)      { name }
1048    struct RegJNIRec {
1049        int (*mProc)(JNIEnv*);
1050    };
1051#else
1052    #define REG_JNI(name)      { name, #name }
1053    struct RegJNIRec {
1054        int (*mProc)(JNIEnv*);
1055        const char* mName;
1056    };
1057#endif
1058
1059typedef void (*RegJAMProc)();
1060
1061static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1062{
1063    for (size_t i = 0; i < count; i++) {
1064        if (array[i].mProc(env) < 0) {
1065#ifndef NDEBUG
1066            LOGD("----------!!! %s failed to load\n", array[i].mName);
1067#endif
1068            return -1;
1069        }
1070    }
1071    return 0;
1072}
1073
1074static void register_jam_procs(const RegJAMProc array[], size_t count)
1075{
1076    for (size_t i = 0; i < count; i++) {
1077        array[i]();
1078    }
1079}
1080
1081static const RegJNIRec gRegJNI[] = {
1082    REG_JNI(register_android_debug_JNITest),
1083    REG_JNI(register_com_android_internal_os_RuntimeInit),
1084    REG_JNI(register_android_os_SystemClock),
1085    REG_JNI(register_android_util_EventLog),
1086    REG_JNI(register_android_util_Log),
1087    REG_JNI(register_android_util_FloatMath),
1088    REG_JNI(register_android_text_format_Time),
1089    REG_JNI(register_android_content_AssetManager),
1090    REG_JNI(register_android_content_StringBlock),
1091    REG_JNI(register_android_content_XmlBlock),
1092    REG_JNI(register_android_emoji_EmojiFactory),
1093    REG_JNI(register_android_text_AndroidCharacter),
1094    REG_JNI(register_android_text_AndroidBidi),
1095    REG_JNI(register_android_text_KeyCharacterMap),
1096    REG_JNI(register_android_os_Process),
1097    REG_JNI(register_android_os_SystemProperties),
1098    REG_JNI(register_android_os_Binder),
1099    REG_JNI(register_android_view_Display),
1100    REG_JNI(register_android_nio_utils),
1101    REG_JNI(register_android_graphics_PixelFormat),
1102    REG_JNI(register_android_graphics_Graphics),
1103    REG_JNI(register_android_view_GLES20Canvas),
1104    REG_JNI(register_android_view_Surface),
1105    REG_JNI(register_android_view_TextureView),
1106    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1107    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1108    REG_JNI(register_android_opengl_jni_GLES10),
1109    REG_JNI(register_android_opengl_jni_GLES10Ext),
1110    REG_JNI(register_android_opengl_jni_GLES11),
1111    REG_JNI(register_android_opengl_jni_GLES11Ext),
1112    REG_JNI(register_android_opengl_jni_GLES20),
1113
1114    REG_JNI(register_android_graphics_Bitmap),
1115    REG_JNI(register_android_graphics_BitmapFactory),
1116    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1117    REG_JNI(register_android_graphics_Camera),
1118    REG_JNI(register_android_graphics_Canvas),
1119    REG_JNI(register_android_graphics_ColorFilter),
1120    REG_JNI(register_android_graphics_DrawFilter),
1121    REG_JNI(register_android_graphics_Interpolator),
1122    REG_JNI(register_android_graphics_LayerRasterizer),
1123    REG_JNI(register_android_graphics_MaskFilter),
1124    REG_JNI(register_android_graphics_Matrix),
1125    REG_JNI(register_android_graphics_Movie),
1126    REG_JNI(register_android_graphics_NinePatch),
1127    REG_JNI(register_android_graphics_Paint),
1128    REG_JNI(register_android_graphics_Path),
1129    REG_JNI(register_android_graphics_PathMeasure),
1130    REG_JNI(register_android_graphics_PathEffect),
1131    REG_JNI(register_android_graphics_Picture),
1132    REG_JNI(register_android_graphics_PorterDuff),
1133    REG_JNI(register_android_graphics_Rasterizer),
1134    REG_JNI(register_android_graphics_Region),
1135    REG_JNI(register_android_graphics_Shader),
1136    REG_JNI(register_android_graphics_SurfaceTexture),
1137    REG_JNI(register_android_graphics_Typeface),
1138    REG_JNI(register_android_graphics_Xfermode),
1139    REG_JNI(register_android_graphics_YuvImage),
1140
1141    REG_JNI(register_android_database_CursorWindow),
1142    REG_JNI(register_android_database_SQLiteCompiledSql),
1143    REG_JNI(register_android_database_SQLiteDatabase),
1144    REG_JNI(register_android_database_SQLiteDebug),
1145    REG_JNI(register_android_database_SQLiteProgram),
1146    REG_JNI(register_android_database_SQLiteQuery),
1147    REG_JNI(register_android_database_SQLiteStatement),
1148    REG_JNI(register_android_os_Debug),
1149    REG_JNI(register_android_os_FileObserver),
1150    REG_JNI(register_android_os_FileUtils),
1151    REG_JNI(register_android_os_MessageQueue),
1152    REG_JNI(register_android_os_ParcelFileDescriptor),
1153    REG_JNI(register_android_os_Power),
1154    REG_JNI(register_android_os_StatFs),
1155    REG_JNI(register_android_os_UEventObserver),
1156    REG_JNI(register_android_net_LocalSocketImpl),
1157    REG_JNI(register_android_net_NetworkUtils),
1158    REG_JNI(register_android_net_TrafficStats),
1159    REG_JNI(register_android_net_wifi_WifiManager),
1160    REG_JNI(register_android_nfc_NdefMessage),
1161    REG_JNI(register_android_nfc_NdefRecord),
1162    REG_JNI(register_android_os_MemoryFile),
1163    REG_JNI(register_com_android_internal_os_ZygoteInit),
1164    REG_JNI(register_android_hardware_Camera),
1165    REG_JNI(register_android_hardware_SensorManager),
1166    REG_JNI(register_android_hardware_UsbDevice),
1167    REG_JNI(register_android_hardware_UsbDeviceConnection),
1168    REG_JNI(register_android_hardware_UsbRequest),
1169    REG_JNI(register_android_media_AudioRecord),
1170    REG_JNI(register_android_media_AudioSystem),
1171    REG_JNI(register_android_media_AudioTrack),
1172    REG_JNI(register_android_media_JetPlayer),
1173    REG_JNI(register_android_media_ToneGenerator),
1174
1175    REG_JNI(register_android_opengl_classes),
1176    REG_JNI(register_android_bluetooth_HeadsetBase),
1177    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1178    REG_JNI(register_android_bluetooth_BluetoothSocket),
1179    REG_JNI(register_android_server_BluetoothService),
1180    REG_JNI(register_android_server_BluetoothEventLoop),
1181    REG_JNI(register_android_server_BluetoothA2dpService),
1182    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1183    REG_JNI(register_android_server_Watchdog),
1184    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1185    REG_JNI(register_android_backup_BackupDataInput),
1186    REG_JNI(register_android_backup_BackupDataOutput),
1187    REG_JNI(register_android_backup_FileBackupHelperBase),
1188    REG_JNI(register_android_backup_BackupHelperDispatcher),
1189    REG_JNI(register_android_app_backup_FullBackup),
1190    REG_JNI(register_android_app_ActivityThread),
1191    REG_JNI(register_android_app_NativeActivity),
1192    REG_JNI(register_android_view_InputChannel),
1193    REG_JNI(register_android_view_InputQueue),
1194    REG_JNI(register_android_view_KeyEvent),
1195    REG_JNI(register_android_view_MotionEvent),
1196    REG_JNI(register_android_view_PointerIcon),
1197    REG_JNI(register_android_view_VelocityTracker),
1198
1199    REG_JNI(register_android_content_res_ObbScanner),
1200    REG_JNI(register_android_content_res_Configuration),
1201
1202    REG_JNI(register_android_animation_PropertyValuesHolder),
1203    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1204};
1205
1206/*
1207 * Register android native functions with the VM.
1208 */
1209/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1210{
1211    /*
1212     * This hook causes all future threads created in this process to be
1213     * attached to the JavaVM.  (This needs to go away in favor of JNI
1214     * Attach calls.)
1215     */
1216    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1217
1218    ALOGV("--- registering native functions ---\n");
1219
1220    /*
1221     * Every "register" function calls one or more things that return
1222     * a local reference (e.g. FindClass).  Because we haven't really
1223     * started the VM yet, they're all getting stored in the base frame
1224     * and never released.  Use Push/Pop to manage the storage.
1225     */
1226    env->PushLocalFrame(200);
1227
1228    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1229        env->PopLocalFrame(NULL);
1230        return -1;
1231    }
1232    env->PopLocalFrame(NULL);
1233
1234    //createJavaThread("fubar", quickTest, (void*) "hello");
1235
1236    return 0;
1237}
1238
1239AndroidRuntime* AndroidRuntime::getRuntime()
1240{
1241    return gCurRuntime;
1242}
1243
1244/**
1245 * Used by WithFramework to register native functions.
1246 */
1247extern "C"
1248jint Java_com_android_internal_util_WithFramework_registerNatives(
1249        JNIEnv* env, jclass clazz) {
1250    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1251}
1252
1253/**
1254 * Used by LoadClass to register native functions.
1255 */
1256extern "C"
1257jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1258    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1259}
1260
1261}   // namespace android
1262