AndroidRuntime.cpp revision bdcef70e15e86e592d725355c96c7fab0b85ac83 
1/* //device/libs/android_runtime/AndroidRuntime.cpp
2**
3** Copyright 2006, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#define LOG_TAG "AndroidRuntime"
19//#define LOG_NDEBUG 0
20
21#include <android_runtime/AndroidRuntime.h>
22#include <binder/IBinder.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_Camera(JNIEnv* env);
57extern int register_android_graphics_Graphics(JNIEnv* env);
58extern int register_android_graphics_Interpolator(JNIEnv* env);
59extern int register_android_graphics_LayerRasterizer(JNIEnv*);
60extern int register_android_graphics_MaskFilter(JNIEnv* env);
61extern int register_android_graphics_Movie(JNIEnv* env);
62extern int register_android_graphics_NinePatch(JNIEnv*);
63extern int register_android_graphics_PathEffect(JNIEnv* env);
64extern int register_android_graphics_Region(JNIEnv* env);
65extern int register_android_graphics_Shader(JNIEnv* env);
66extern int register_android_graphics_Typeface(JNIEnv* env);
67
68extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
69extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
70extern int register_android_opengl_jni_GLES10(JNIEnv* env);
71extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
72extern int register_android_opengl_jni_GLES11(JNIEnv* env);
73extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
74
75extern int register_android_hardware_Camera(JNIEnv *env);
76
77extern int register_android_hardware_SensorManager(JNIEnv *env);
78
79extern int register_android_media_AudioRecord(JNIEnv *env);
80extern int register_android_media_AudioSystem(JNIEnv *env);
81extern int register_android_media_AudioTrack(JNIEnv *env);
82extern int register_android_media_JetPlayer(JNIEnv *env);
83extern int register_android_media_ToneGenerator(JNIEnv *env);
84
85extern int register_android_message_digest_sha1(JNIEnv *env);
86
87extern int register_android_util_FloatMath(JNIEnv* env);
88
89namespace android {
90
91/*
92 * JNI-based registration functions.  Note these are properly contained in
93 * namespace android.
94 */
95extern int register_android_content_AssetManager(JNIEnv* env);
96extern int register_android_util_EventLog(JNIEnv* env);
97extern int register_android_util_Log(JNIEnv* env);
98extern int register_android_content_StringBlock(JNIEnv* env);
99extern int register_android_content_XmlBlock(JNIEnv* env);
100extern int register_android_emoji_EmojiFactory(JNIEnv* env);
101extern int register_android_graphics_Canvas(JNIEnv* env);
102extern int register_android_graphics_ColorFilter(JNIEnv* env);
103extern int register_android_graphics_DrawFilter(JNIEnv* env);
104extern int register_android_graphics_Matrix(JNIEnv* env);
105extern int register_android_graphics_Paint(JNIEnv* env);
106extern int register_android_graphics_Path(JNIEnv* env);
107extern int register_android_graphics_PathMeasure(JNIEnv* env);
108extern int register_android_graphics_Picture(JNIEnv*);
109extern int register_android_graphics_PorterDuff(JNIEnv* env);
110extern int register_android_graphics_Rasterizer(JNIEnv* env);
111extern int register_android_graphics_Xfermode(JNIEnv* env);
112extern int register_android_graphics_PixelFormat(JNIEnv* env);
113extern int register_com_android_internal_graphics_NativeUtils(JNIEnv *env);
114extern int register_android_view_Display(JNIEnv* env);
115extern int register_android_view_Surface(JNIEnv* env);
116extern int register_android_view_ViewRoot(JNIEnv* env);
117extern int register_android_database_CursorWindow(JNIEnv* env);
118extern int register_android_database_SQLiteDatabase(JNIEnv* env);
119extern int register_android_database_SQLiteDebug(JNIEnv* env);
120extern int register_android_database_SQLiteProgram(JNIEnv* env);
121extern int register_android_database_SQLiteQuery(JNIEnv* env);
122extern int register_android_database_SQLiteStatement(JNIEnv* env);
123extern int register_android_debug_JNITest(JNIEnv* env);
124extern int register_android_nio_utils(JNIEnv* env);
125extern int register_android_pim_EventRecurrence(JNIEnv* env);
126extern int register_android_text_format_Time(JNIEnv* env);
127extern int register_android_os_Debug(JNIEnv* env);
128extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
129extern int register_android_os_Power(JNIEnv *env);
130extern int register_android_os_StatFs(JNIEnv *env);
131extern int register_android_os_SystemProperties(JNIEnv *env);
132extern int register_android_os_Hardware(JNIEnv* env);
133extern int register_android_os_SystemClock(JNIEnv* env);
134extern int register_android_os_FileObserver(JNIEnv *env);
135extern int register_android_os_FileUtils(JNIEnv *env);
136extern int register_android_os_UEventObserver(JNIEnv* env);
137extern int register_android_os_MemoryFile(JNIEnv* env);
138extern int register_android_net_LocalSocketImpl(JNIEnv* env);
139extern int register_android_net_NetworkUtils(JNIEnv* env);
140extern int register_android_net_wifi_WifiManager(JNIEnv* env);
141extern int register_android_security_Md5MessageDigest(JNIEnv *env);
142extern int register_android_text_AndroidCharacter(JNIEnv *env);
143extern int register_android_text_KeyCharacterMap(JNIEnv *env);
144extern int register_android_opengl_classes(JNIEnv *env);
145extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
146extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
147extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env);
148extern int register_android_bluetooth_ScoSocket(JNIEnv *env);
149extern int register_android_server_BluetoothService(JNIEnv* env);
150extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
151extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
152extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
153extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
154extern int register_android_util_Base64(JNIEnv* env);
155extern int register_android_location_GpsLocationProvider(JNIEnv* env);
156extern int register_android_backup_BackupDataInput(JNIEnv *env);
157extern int register_android_backup_BackupDataOutput(JNIEnv *env);
158extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
159extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
160
161static AndroidRuntime* gCurRuntime = NULL;
162
163static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
164{
165    if (jniThrowException(env, exc, msg) != 0)
166        assert(false);
167}
168
169/*
170 * Code written in the Java Programming Language calls here from main().
171 */
172static void com_android_internal_os_RuntimeInit_finishInit(JNIEnv* env, jobject clazz)
173{
174    gCurRuntime->onStarted();
175}
176
177static void com_android_internal_os_RuntimeInit_zygoteInit(JNIEnv* env, jobject clazz)
178{
179    gCurRuntime->onZygoteInit();
180}
181
182static jint com_android_internal_os_RuntimeInit_isComputerOn(JNIEnv* env, jobject clazz)
183{
184    return 1;
185}
186
187static void com_android_internal_os_RuntimeInit_turnComputerOn(JNIEnv* env, jobject clazz)
188{
189}
190
191static jint com_android_internal_os_RuntimeInit_getQwertyKeyboard(JNIEnv* env, jobject clazz)
192{
193    char* value = getenv("qwerty");
194    if (value != NULL && strcmp(value, "true") == 0) {
195        return 1;
196    }
197
198    return 0;
199}
200
201/*
202 * JNI registration.
203 */
204static JNINativeMethod gMethods[] = {
205    { "finishInit", "()V",
206        (void*) com_android_internal_os_RuntimeInit_finishInit },
207    { "zygoteInitNative", "()V",
208        (void*) com_android_internal_os_RuntimeInit_zygoteInit },
209    { "isComputerOn", "()I",
210        (void*) com_android_internal_os_RuntimeInit_isComputerOn },
211    { "turnComputerOn", "()V",
212        (void*) com_android_internal_os_RuntimeInit_turnComputerOn },
213    { "getQwertyKeyboard", "()I",
214        (void*) com_android_internal_os_RuntimeInit_getQwertyKeyboard },
215};
216
217int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
218{
219    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
220        gMethods, NELEM(gMethods));
221}
222
223// ----------------------------------------------------------------------
224
225/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
226
227
228AndroidRuntime::AndroidRuntime()
229{
230    SkGraphics::Init();
231    // this sets our preference for 16bit images during decode
232    // in case the src is opaque and 24bit
233    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
234    // This cache is shared between browser native images, and java "purgeable"
235    // bitmaps. This globalpool is for images that do not either use the java
236    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
237    // java call site.
238    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
239    // There is also a global font cache, but its budget is specified in code
240    // see SkFontHost_android.cpp
241
242    // Pre-allocate enough space to hold a fair number of options.
243    mOptions.setCapacity(20);
244
245    assert(gCurRuntime == NULL);        // one per process
246    gCurRuntime = this;
247}
248
249AndroidRuntime::~AndroidRuntime()
250{
251    SkGraphics::Term();
252}
253
254/*
255 * Register native methods using JNI.
256 */
257/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
258    const char* className, const JNINativeMethod* gMethods, int numMethods)
259{
260    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
261}
262
263/*
264 * Call a static Java Programming Language function that takes no arguments and returns void.
265 */
266status_t AndroidRuntime::callStatic(const char* className, const char* methodName)
267{
268    JNIEnv* env;
269    jclass clazz;
270    jmethodID methodId;
271
272    env = getJNIEnv();
273    if (env == NULL)
274        return UNKNOWN_ERROR;
275
276    clazz = findClass(env, className);
277    if (clazz == NULL) {
278        LOGE("ERROR: could not find class '%s'\n", className);
279        return UNKNOWN_ERROR;
280    }
281    methodId = env->GetStaticMethodID(clazz, methodName, "()V");
282    if (methodId == NULL) {
283        LOGE("ERROR: could not find method %s.%s\n", className, methodName);
284        return UNKNOWN_ERROR;
285    }
286
287    env->CallStaticVoidMethod(clazz, methodId);
288
289    return NO_ERROR;
290}
291
292status_t AndroidRuntime::callMain(
293    const char* className, int argc, const char* const argv[])
294{
295    JNIEnv* env;
296    jclass clazz;
297    jmethodID methodId;
298
299    env = getJNIEnv();
300    if (env == NULL)
301        return UNKNOWN_ERROR;
302
303    clazz = findClass(env, className);
304    if (clazz == NULL) {
305        LOGE("ERROR: could not find class '%s'\n", className);
306        return UNKNOWN_ERROR;
307    }
308
309    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
310    if (methodId == NULL) {
311        LOGE("ERROR: could not find method %s.main(String[])\n", className);
312        return UNKNOWN_ERROR;
313    }
314
315    /*
316     * We want to call main() with a String array with our arguments in it.
317     * Create an array and populate it.
318     */
319    jclass stringClass;
320    jobjectArray strArray;
321
322    stringClass = env->FindClass("java/lang/String");
323    strArray = env->NewObjectArray(argc, stringClass, NULL);
324
325    for (int i = 0; i < argc; i++) {
326        jstring argStr = env->NewStringUTF(argv[i]);
327        env->SetObjectArrayElement(strArray, i, argStr);
328    }
329
330    env->CallStaticVoidMethod(clazz, methodId, strArray);
331    return NO_ERROR;
332}
333
334/*
335 * Find the named class.
336 */
337jclass AndroidRuntime::findClass(JNIEnv* env, const char* className)
338{
339    char* convName = NULL;
340
341    if (env->ExceptionCheck()) {
342        LOGE("ERROR: exception pending on entry to findClass()\n");
343        return NULL;
344    }
345
346    /*
347     * JNI FindClass uses class names with slashes, but ClassLoader.loadClass
348     * uses the dotted "binary name" format.  We don't need to convert the
349     * name with the new approach.
350     */
351#if 0
352    /* (convName only created if necessary -- use className) */
353    for (char* cp = const_cast<char*>(className); *cp != '\0'; cp++) {
354        if (*cp == '.') {
355            if (convName == NULL) {
356                convName = strdup(className);
357                cp = convName + (cp-className);
358                className = convName;
359            }
360            *cp = '/';
361        }
362    }
363#endif
364
365    /*
366     * This is a little awkward because the JNI FindClass call uses the
367     * class loader associated with the native method we're executing in.
368     * Because this native method is part of a "boot" class, JNI doesn't
369     * look for the class in CLASSPATH, which unfortunately is a likely
370     * location for it.  (Had we issued the FindClass call before calling
371     * into the VM -- at which point there isn't a native method frame on
372     * the stack -- the VM would have checked CLASSPATH.  We have to do
373     * this because we call into Java Programming Language code and
374     * bounce back out.)
375     *
376     * JNI lacks a "find class in a specific class loader" operation, so we
377     * have to do things the hard way.
378     */
379    jclass cls = NULL;
380    //cls = env->FindClass(className);
381
382    jclass javaLangClassLoader;
383    jmethodID getSystemClassLoader, loadClass;
384    jobject systemClassLoader;
385    jstring strClassName;
386
387    /* find the "system" class loader; none of this is expected to fail */
388    javaLangClassLoader = env->FindClass("java/lang/ClassLoader");
389    assert(javaLangClassLoader != NULL);
390    getSystemClassLoader = env->GetStaticMethodID(javaLangClassLoader,
391        "getSystemClassLoader", "()Ljava/lang/ClassLoader;");
392    loadClass = env->GetMethodID(javaLangClassLoader,
393        "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
394    assert(getSystemClassLoader != NULL && loadClass != NULL);
395    systemClassLoader = env->CallStaticObjectMethod(javaLangClassLoader,
396        getSystemClassLoader);
397    assert(systemClassLoader != NULL);
398
399    /* create an object for the class name string; alloc could fail */
400    strClassName = env->NewStringUTF(className);
401    if (env->ExceptionCheck()) {
402        LOGE("ERROR: unable to convert '%s' to string\n", className);
403        goto bail;
404    }
405    LOGV("system class loader is %p, loading %p (%s)\n",
406        systemClassLoader, strClassName, className);
407
408    /* try to find the named class */
409    cls = (jclass) env->CallObjectMethod(systemClassLoader, loadClass,
410                        strClassName);
411    if (env->ExceptionCheck()) {
412        LOGE("ERROR: unable to load class '%s' from %p\n",
413            className, systemClassLoader);
414        cls = NULL;
415        goto bail;
416    }
417
418bail:
419    free(convName);
420    return cls;
421}
422
423/*
424 * The VM calls this through the "exit" hook.
425 */
426static void runtime_exit(int code)
427{
428    gCurRuntime->onExit(code);
429    exit(code);
430}
431
432/*
433 * The VM calls this through the "vfprintf" hook.
434 *
435 * We ignore "fp" and just write the results to the log file.
436 */
437static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
438{
439    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
440}
441
442
443/**
444 * Add VM arguments to the to-be-executed VM
445 * Stops at first non '-' argument (also stops at an argument of '--')
446 * Returns the number of args consumed
447 */
448int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
449{
450    int i;
451
452    for (i = 0; i<argc; i++) {
453        if (argv[i][0] != '-') {
454            return i;
455        }
456        if (argv[i][1] == '-' && argv[i][2] == 0) {
457            return i+1;
458        }
459
460        JavaVMOption opt;
461        memset(&opt, 0, sizeof(opt));
462        opt.optionString = (char*)argv[i];
463        mOptions.add(opt);
464    }
465    return i;
466}
467
468static int hasDir(const char* dir)
469{
470    struct stat s;
471    int res = stat(dir, &s);
472    if (res == 0) {
473        return S_ISDIR(s.st_mode);
474    }
475    return 0;
476}
477
478/*
479 * We just want failed write() calls to just return with an error.
480 */
481static void blockSigpipe()
482{
483    sigset_t mask;
484
485    sigemptyset(&mask);
486    sigaddset(&mask, SIGPIPE);
487    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
488        LOGW("WARNING: SIGPIPE not blocked\n");
489}
490
491/*
492 * Read the persistent locale.
493 */
494static void readLocale(char* language, char* region)
495{
496    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
497
498    property_get("persist.sys.language", propLang, "");
499    property_get("persist.sys.country", propRegn, "");
500    if (*propLang == 0 && *propRegn == 0) {
501        /* Set to ro properties, default is en_US */
502        property_get("ro.product.locale.language", propLang, "en");
503        property_get("ro.product.locale.region", propRegn, "US");
504    }
505    strncat(language, propLang, 2);
506    strncat(region, propRegn, 2);
507    //LOGD("language=%s region=%s\n", language, region);
508}
509
510/*
511 * Start the Dalvik Virtual Machine.
512 *
513 * Various arguments, most determined by system properties, are passed in.
514 * The "mOptions" vector is updated.
515 *
516 * Returns 0 on success.
517 */
518int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
519{
520    int result = -1;
521    JavaVMInitArgs initArgs;
522    JavaVMOption opt;
523    char propBuf[PROPERTY_VALUE_MAX];
524    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
525    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
526    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
527    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
528    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
529    char* stackTraceFile = NULL;
530    bool checkJni = false;
531    bool checkDexSum = false;
532    bool logStdio = false;
533    enum {
534      kEMDefault,
535      kEMIntPortable,
536      kEMIntFast,
537#if defined(WITH_JIT)
538      kEMJitCompiler,
539#endif
540    } executionMode = kEMDefault;
541
542
543    property_get("dalvik.vm.checkjni", propBuf, "");
544    if (strcmp(propBuf, "true") == 0) {
545        checkJni = true;
546    } else if (strcmp(propBuf, "false") != 0) {
547        /* property is neither true nor false; fall back on kernel parameter */
548        property_get("ro.kernel.android.checkjni", propBuf, "");
549        if (propBuf[0] == '1') {
550            checkJni = true;
551        }
552    }
553
554    property_get("dalvik.vm.execution-mode", propBuf, "");
555    if (strcmp(propBuf, "int:portable") == 0) {
556        executionMode = kEMIntPortable;
557    } else if (strcmp(propBuf, "int:fast") == 0) {
558        executionMode = kEMIntFast;
559#if defined(WITH_JIT)
560    } else if (strcmp(propBuf, "int:jit") == 0) {
561        executionMode = kEMJitCompiler;
562#endif
563    }
564
565    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
566
567    property_get("dalvik.vm.check-dex-sum", propBuf, "");
568    if (strcmp(propBuf, "true") == 0) {
569        checkDexSum = true;
570    }
571
572    property_get("log.redirect-stdio", propBuf, "");
573    if (strcmp(propBuf, "true") == 0) {
574        logStdio = true;
575    }
576
577    strcpy(enableAssertBuf, "-ea:");
578    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
579
580    strcpy(jniOptsBuf, "-Xjniopts:");
581    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
582
583    /* route exit() to our handler */
584    opt.extraInfo = (void*) runtime_exit;
585    opt.optionString = "exit";
586    mOptions.add(opt);
587
588    /* route fprintf() to our handler */
589    opt.extraInfo = (void*) runtime_vfprintf;
590    opt.optionString = "vfprintf";
591    mOptions.add(opt);
592
593    opt.extraInfo = NULL;
594
595    /* enable verbose; standard options are { jni, gc, class } */
596    //options[curOpt++].optionString = "-verbose:jni";
597    opt.optionString = "-verbose:gc";
598    mOptions.add(opt);
599    //options[curOpt++].optionString = "-verbose:class";
600
601    strcpy(heapsizeOptsBuf, "-Xmx");
602    property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
603    //LOGI("Heap size: %s", heapsizeOptsBuf);
604    opt.optionString = heapsizeOptsBuf;
605    mOptions.add(opt);
606
607    /*
608     * Enable or disable dexopt features, such as bytecode verification and
609     * calculation of register maps for precise GC.
610     */
611    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
612    if (dexoptFlagsBuf[0] != '\0') {
613        const char* opc;
614        const char* val;
615
616        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
617        if (opc != NULL) {
618            switch (*(opc+2)) {
619            case 'n':   val = "-Xverify:none";      break;
620            case 'r':   val = "-Xverify:remote";    break;
621            case 'a':   val = "-Xverify:all";       break;
622            default:    val = NULL;                 break;
623            }
624
625            if (val != NULL) {
626                opt.optionString = val;
627                mOptions.add(opt);
628            }
629        }
630
631        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
632        if (opc != NULL) {
633            switch (*(opc+2)) {
634            case 'n':   val = "-Xdexopt:none";      break;
635            case 'v':   val = "-Xdexopt:verified";  break;
636            case 'a':   val = "-Xdexopt:all";       break;
637            default:    val = NULL;                 break;
638            }
639
640            if (val != NULL) {
641                opt.optionString = val;
642                mOptions.add(opt);
643            }
644        }
645
646        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
647        if (opc != NULL) {
648            opt.optionString = "-Xgenregmap";
649            mOptions.add(opt);
650
651            /* turn on precise GC while we're at it */
652            opt.optionString = "-Xgc:precise";
653            mOptions.add(opt);
654        }
655    }
656
657    /* enable debugging; set suspend=y to pause during VM init */
658#ifdef HAVE_ANDROID_OS
659    /* use android ADB transport */
660    opt.optionString =
661        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
662#else
663    /* use TCP socket; address=0 means start at port 8000 and probe up */
664    LOGI("Using TCP socket for JDWP\n");
665    opt.optionString =
666        "-agentlib:jdwp=transport=dt_socket,suspend=n,server=y,address=0";
667#endif
668    mOptions.add(opt);
669
670    char enableDPBuf[sizeof("-Xdeadlockpredict:") + PROPERTY_VALUE_MAX];
671    property_get("dalvik.vm.deadlock-predict", propBuf, "");
672    if (strlen(propBuf) > 0) {
673        strcpy(enableDPBuf, "-Xdeadlockpredict:");
674        strcat(enableDPBuf, propBuf);
675        opt.optionString = enableDPBuf;
676        mOptions.add(opt);
677    }
678
679    LOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
680    if (checkJni) {
681        /* extended JNI checking */
682        opt.optionString = "-Xcheck:jni";
683        mOptions.add(opt);
684
685        /* set a cap on JNI global references */
686        opt.optionString = "-Xjnigreflimit:2000";
687        mOptions.add(opt);
688
689        /* with -Xcheck:jni, this provides a JNI function call trace */
690        //opt.optionString = "-verbose:jni";
691        //mOptions.add(opt);
692    }
693
694#if defined(WITH_JIT)
695    /* Minimal profile threshold to trigger JIT compilation */
696    char jitThresholdBuf[sizeof("-Xthreshold:") + PROPERTY_VALUE_MAX];
697    property_get("dalvik.vm.jit.threshold", propBuf, "");
698    if (strlen(propBuf) > 0) {
699        strcpy(jitThresholdBuf, "-Xthreshold:");
700        strcat(jitThresholdBuf, propBuf);
701        opt.optionString = jitThresholdBuf;
702        mOptions.add(opt);
703    }
704
705    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
706    char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
707    property_get("dalvik.vm.jit.op", propBuf, "");
708    if (strlen(propBuf) > 0) {
709        strcpy(jitOpBuf, "-Xjitop:");
710        strcat(jitOpBuf, propBuf);
711        opt.optionString = jitOpBuf;
712        mOptions.add(opt);
713    }
714
715    /*
716     * Reverse the polarity of dalvik.vm.jit.op and force interpreter-only
717     * for non-selected opcodes.
718     */
719    property_get("dalvik.vm.jit.includeop", propBuf, "");
720    if (strlen(propBuf) > 0) {
721        opt.optionString = "-Xincludeselectedop";
722        mOptions.add(opt);
723    }
724
725    /* Force interpreter-only mode for selected methods */
726    char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
727    property_get("dalvik.vm.jit.method", propBuf, "");
728    if (strlen(propBuf) > 0) {
729        strcpy(jitMethodBuf, "-Xjitmethod:");
730        strcat(jitMethodBuf, propBuf);
731        opt.optionString = jitMethodBuf;
732        mOptions.add(opt);
733    }
734
735    /*
736     * Reverse the polarity of dalvik.vm.jit.method and force interpreter-only
737     * for non-selected methods.
738     */
739    property_get("dalvik.vm.jit.includemethod", propBuf, "");
740    if (strlen(propBuf) > 0) {
741        opt.optionString = "-Xincludeselectedmethod";
742        mOptions.add(opt);
743    }
744
745    /*
746     * Enable profile collection on JIT'ed code.
747     */
748    property_get("dalvik.vm.jit.profile", propBuf, "");
749    if (strlen(propBuf) > 0) {
750        opt.optionString = "-Xjitprofile";
751        mOptions.add(opt);
752    }
753#endif
754
755    if (executionMode == kEMIntPortable) {
756        opt.optionString = "-Xint:portable";
757        mOptions.add(opt);
758    } else if (executionMode == kEMIntFast) {
759        opt.optionString = "-Xint:fast";
760        mOptions.add(opt);
761#if defined(WITH_JIT)
762    } else if (executionMode == kEMJitCompiler) {
763        opt.optionString = "-Xint:jit";
764        mOptions.add(opt);
765#endif
766    }
767
768    if (checkDexSum) {
769        /* perform additional DEX checksum tests */
770        opt.optionString = "-Xcheckdexsum";
771        mOptions.add(opt);
772    }
773
774    if (logStdio) {
775        /* convert stdout/stderr to log messages */
776        opt.optionString = "-Xlog-stdio";
777        mOptions.add(opt);
778    }
779
780    if (enableAssertBuf[4] != '\0') {
781        /* accept "all" to mean "all classes and packages" */
782        if (strcmp(enableAssertBuf+4, "all") == 0)
783            enableAssertBuf[3] = '\0';
784        LOGI("Assertions enabled: '%s'\n", enableAssertBuf);
785        opt.optionString = enableAssertBuf;
786        mOptions.add(opt);
787    } else {
788        LOGV("Assertions disabled\n");
789    }
790
791    if (jniOptsBuf[10] != '\0') {
792        LOGI("JNI options: '%s'\n", jniOptsBuf);
793        opt.optionString = jniOptsBuf;
794        mOptions.add(opt);
795    }
796
797    if (stackTraceFileBuf[0] != '\0') {
798        static const char* stfOptName = "-Xstacktracefile:";
799
800        stackTraceFile = (char*) malloc(strlen(stfOptName) +
801            strlen(stackTraceFileBuf) +1);
802        strcpy(stackTraceFile, stfOptName);
803        strcat(stackTraceFile, stackTraceFileBuf);
804        opt.optionString = stackTraceFile;
805        mOptions.add(opt);
806    }
807
808    /* Set the properties for locale */
809    {
810        char langOption[sizeof("-Duser.language=") + 3];
811        char regionOption[sizeof("-Duser.region=") + 3];
812        strcpy(langOption, "-Duser.language=");
813        strcpy(regionOption, "-Duser.region=");
814        readLocale(langOption, regionOption);
815        opt.extraInfo = NULL;
816        opt.optionString = langOption;
817        mOptions.add(opt);
818        opt.optionString = regionOption;
819        mOptions.add(opt);
820    }
821
822    /*
823     * We don't have /tmp on the device, but we often have an SD card.  Apps
824     * shouldn't use this, but some test suites might want to exercise it.
825     */
826    opt.optionString = "-Djava.io.tmpdir=/sdcard";
827    mOptions.add(opt);
828
829    initArgs.version = JNI_VERSION_1_4;
830    initArgs.options = mOptions.editArray();
831    initArgs.nOptions = mOptions.size();
832    initArgs.ignoreUnrecognized = JNI_FALSE;
833
834    /*
835     * Initialize the VM.
836     *
837     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
838     * If this call succeeds, the VM is ready, and we can start issuing
839     * JNI calls.
840     */
841    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
842        LOGE("JNI_CreateJavaVM failed\n");
843        goto bail;
844    }
845
846    result = 0;
847
848bail:
849    free(stackTraceFile);
850    return result;
851}
852
853/*
854 * Start the Android runtime.  This involves starting the virtual machine
855 * and calling the "static void main(String[] args)" method in the class
856 * named by "className".
857 */
858void AndroidRuntime::start(const char* className, const bool startSystemServer)
859{
860    LOGD("\n>>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<\n");
861
862    char* slashClassName = NULL;
863    char* cp;
864    JNIEnv* env;
865
866    blockSigpipe();
867
868    /*
869     * 'startSystemServer == true' means runtime is obslete and not run from
870     * init.rc anymore, so we print out the boot start event here.
871     */
872    if (startSystemServer) {
873        /* track our progress through the boot sequence */
874        const int LOG_BOOT_PROGRESS_START = 3000;
875        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
876                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
877    }
878
879    const char* rootDir = getenv("ANDROID_ROOT");
880    if (rootDir == NULL) {
881        rootDir = "/system";
882        if (!hasDir("/system")) {
883            LOG_FATAL("No root directory specified, and /android does not exist.");
884            goto bail;
885        }
886        setenv("ANDROID_ROOT", rootDir, 1);
887    }
888
889    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
890    //LOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
891
892    /* start the virtual machine */
893    if (startVm(&mJavaVM, &env) != 0)
894        goto bail;
895
896    /*
897     * Register android functions.
898     */
899    if (startReg(env) < 0) {
900        LOGE("Unable to register all android natives\n");
901        goto bail;
902    }
903
904    /*
905     * We want to call main() with a String array with arguments in it.
906     * At present we only have one argument, the class name.  Create an
907     * array to hold it.
908     */
909    jclass stringClass;
910    jobjectArray strArray;
911    jstring classNameStr;
912    jstring startSystemServerStr;
913
914    stringClass = env->FindClass("java/lang/String");
915    assert(stringClass != NULL);
916    strArray = env->NewObjectArray(2, stringClass, NULL);
917    assert(strArray != NULL);
918    classNameStr = env->NewStringUTF(className);
919    assert(classNameStr != NULL);
920    env->SetObjectArrayElement(strArray, 0, classNameStr);
921    startSystemServerStr = env->NewStringUTF(startSystemServer ?
922                                                 "true" : "false");
923    env->SetObjectArrayElement(strArray, 1, startSystemServerStr);
924
925    /*
926     * Start VM.  This thread becomes the main thread of the VM, and will
927     * not return until the VM exits.
928     */
929    jclass startClass;
930    jmethodID startMeth;
931
932    slashClassName = strdup(className);
933    for (cp = slashClassName; *cp != '\0'; cp++)
934        if (*cp == '.')
935            *cp = '/';
936
937    startClass = env->FindClass(slashClassName);
938    if (startClass == NULL) {
939        LOGE("JavaVM unable to locate class '%s'\n", slashClassName);
940        /* keep going */
941    } else {
942        startMeth = env->GetStaticMethodID(startClass, "main",
943            "([Ljava/lang/String;)V");
944        if (startMeth == NULL) {
945            LOGE("JavaVM unable to find main() in '%s'\n", className);
946            /* keep going */
947        } else {
948            env->CallStaticVoidMethod(startClass, startMeth, strArray);
949
950#if 0
951            if (env->ExceptionCheck())
952                threadExitUncaughtException(env);
953#endif
954        }
955    }
956
957    LOGD("Shutting down VM\n");
958    if (mJavaVM->DetachCurrentThread() != JNI_OK)
959        LOGW("Warning: unable to detach main thread\n");
960    if (mJavaVM->DestroyJavaVM() != 0)
961        LOGW("Warning: VM did not shut down cleanly\n");
962
963bail:
964    free(slashClassName);
965}
966
967void AndroidRuntime::start()
968{
969    start("com.android.internal.os.RuntimeInit",
970        false /* Don't start the system server */);
971}
972
973void AndroidRuntime::onExit(int code)
974{
975    LOGI("AndroidRuntime onExit calling exit(%d)", code);
976    exit(code);
977}
978
979/*
980 * Get the JNIEnv pointer for this thread.
981 *
982 * Returns NULL if the slot wasn't allocated or populated.
983 */
984/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
985{
986    JNIEnv* env;
987    JavaVM* vm = AndroidRuntime::getJavaVM();
988    assert(vm != NULL);
989
990    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
991        return NULL;
992    return env;
993}
994
995/*
996 * Makes the current thread visible to the VM.
997 *
998 * The JNIEnv pointer returned is only valid for the current thread, and
999 * thus must be tucked into thread-local storage.
1000 */
1001static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1002{
1003    JavaVMAttachArgs args;
1004    JavaVM* vm;
1005    jint result;
1006
1007    vm = AndroidRuntime::getJavaVM();
1008    assert(vm != NULL);
1009
1010    args.version = JNI_VERSION_1_4;
1011    args.name = (char*) threadName;
1012    args.group = NULL;
1013
1014    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1015    if (result != JNI_OK)
1016        LOGE("ERROR: thread attach failed\n");
1017
1018    return result;
1019}
1020
1021/*
1022 * Detach the current thread from the set visible to the VM.
1023 */
1024static int javaDetachThread(void)
1025{
1026    JavaVM* vm;
1027    jint result;
1028
1029    vm = AndroidRuntime::getJavaVM();
1030    assert(vm != NULL);
1031
1032    result = vm->DetachCurrentThread();
1033    if (result != JNI_OK)
1034        LOGE("ERROR: thread detach failed\n");
1035    return result;
1036}
1037
1038/*
1039 * When starting a native thread that will be visible from the VM, we
1040 * bounce through this to get the right attach/detach action.
1041 * Note that this function calls free(args)
1042 */
1043/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1044    void* start = ((void**)args)[0];
1045    void* userData = ((void **)args)[1];
1046    char* name = (char*) ((void **)args)[2];        // we own this storage
1047    free(args);
1048    JNIEnv* env;
1049    int result;
1050
1051    /* hook us into the VM */
1052    if (javaAttachThread(name, &env) != JNI_OK)
1053        return -1;
1054
1055    /* start the thread running */
1056    result = (*(android_thread_func_t)start)(userData);
1057
1058    /* unhook us */
1059    javaDetachThread();
1060    free(name);
1061
1062    return result;
1063}
1064
1065/*
1066 * This is invoked from androidCreateThreadEtc() via the callback
1067 * set with androidSetCreateThreadFunc().
1068 *
1069 * We need to create the new thread in such a way that it gets hooked
1070 * into the VM before it really starts executing.
1071 */
1072/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1073                                android_thread_func_t entryFunction,
1074                                void* userData,
1075                                const char* threadName,
1076                                int32_t threadPriority,
1077                                size_t threadStackSize,
1078                                android_thread_id_t* threadId)
1079{
1080    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1081    int result;
1082
1083    assert(threadName != NULL);
1084
1085    args[0] = (void*) entryFunction;
1086    args[1] = userData;
1087    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1088
1089    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1090        threadName, threadPriority, threadStackSize, threadId);
1091    return result;
1092}
1093
1094/*
1095 * Create a thread that is visible from the VM.
1096 *
1097 * This is called from elsewhere in the library.
1098 */
1099/*static*/ void AndroidRuntime::createJavaThread(const char* name,
1100    void (*start)(void *), void* arg)
1101{
1102    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1103        ANDROID_PRIORITY_DEFAULT, 0, NULL);
1104}
1105
1106#if 0
1107static void quickTest(void* arg)
1108{
1109    const char* str = (const char*) arg;
1110
1111    printf("In quickTest: %s\n", str);
1112}
1113#endif
1114
1115#ifdef NDEBUG
1116    #define REG_JNI(name)      { name }
1117    struct RegJNIRec {
1118        int (*mProc)(JNIEnv*);
1119    };
1120#else
1121    #define REG_JNI(name)      { name, #name }
1122    struct RegJNIRec {
1123        int (*mProc)(JNIEnv*);
1124        const char* mName;
1125    };
1126#endif
1127
1128typedef void (*RegJAMProc)();
1129
1130static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1131{
1132    for (size_t i = 0; i < count; i++) {
1133        if (array[i].mProc(env) < 0) {
1134#ifndef NDEBUG
1135            LOGD("----------!!! %s failed to load\n", array[i].mName);
1136#endif
1137            return -1;
1138        }
1139    }
1140    return 0;
1141}
1142
1143static void register_jam_procs(const RegJAMProc array[], size_t count)
1144{
1145    for (size_t i = 0; i < count; i++) {
1146        array[i]();
1147    }
1148}
1149
1150static const RegJNIRec gRegJNI[] = {
1151    REG_JNI(register_android_debug_JNITest),
1152    REG_JNI(register_com_android_internal_os_RuntimeInit),
1153    REG_JNI(register_android_os_SystemClock),
1154    REG_JNI(register_android_util_EventLog),
1155    REG_JNI(register_android_util_Log),
1156    REG_JNI(register_android_util_FloatMath),
1157    REG_JNI(register_android_text_format_Time),
1158    REG_JNI(register_android_pim_EventRecurrence),
1159    REG_JNI(register_android_content_AssetManager),
1160    REG_JNI(register_android_content_StringBlock),
1161    REG_JNI(register_android_content_XmlBlock),
1162    REG_JNI(register_android_emoji_EmojiFactory),
1163    REG_JNI(register_android_security_Md5MessageDigest),
1164    REG_JNI(register_android_text_AndroidCharacter),
1165    REG_JNI(register_android_text_KeyCharacterMap),
1166    REG_JNI(register_android_os_Process),
1167    REG_JNI(register_android_os_Binder),
1168    REG_JNI(register_android_os_Hardware),
1169    REG_JNI(register_android_view_Display),
1170    REG_JNI(register_android_nio_utils),
1171    REG_JNI(register_android_graphics_PixelFormat),
1172    REG_JNI(register_android_graphics_Graphics),
1173    REG_JNI(register_android_view_Surface),
1174    REG_JNI(register_android_view_ViewRoot),
1175    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1176    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1177    REG_JNI(register_android_opengl_jni_GLES10),
1178    REG_JNI(register_android_opengl_jni_GLES10Ext),
1179    REG_JNI(register_android_opengl_jni_GLES11),
1180    REG_JNI(register_android_opengl_jni_GLES11Ext),
1181
1182    REG_JNI(register_android_graphics_Bitmap),
1183    REG_JNI(register_android_graphics_BitmapFactory),
1184    REG_JNI(register_android_graphics_Camera),
1185    REG_JNI(register_android_graphics_Canvas),
1186    REG_JNI(register_android_graphics_ColorFilter),
1187    REG_JNI(register_android_graphics_DrawFilter),
1188    REG_JNI(register_android_graphics_Interpolator),
1189    REG_JNI(register_android_graphics_LayerRasterizer),
1190    REG_JNI(register_android_graphics_MaskFilter),
1191    REG_JNI(register_android_graphics_Matrix),
1192    REG_JNI(register_android_graphics_Movie),
1193    REG_JNI(register_android_graphics_NinePatch),
1194    REG_JNI(register_android_graphics_Paint),
1195    REG_JNI(register_android_graphics_Path),
1196    REG_JNI(register_android_graphics_PathMeasure),
1197    REG_JNI(register_android_graphics_PathEffect),
1198    REG_JNI(register_android_graphics_Picture),
1199    REG_JNI(register_android_graphics_PorterDuff),
1200    REG_JNI(register_android_graphics_Rasterizer),
1201    REG_JNI(register_android_graphics_Region),
1202    REG_JNI(register_android_graphics_Shader),
1203    REG_JNI(register_android_graphics_Typeface),
1204    REG_JNI(register_android_graphics_Xfermode),
1205    REG_JNI(register_com_android_internal_graphics_NativeUtils),
1206
1207    REG_JNI(register_android_database_CursorWindow),
1208    REG_JNI(register_android_database_SQLiteDatabase),
1209    REG_JNI(register_android_database_SQLiteDebug),
1210    REG_JNI(register_android_database_SQLiteProgram),
1211    REG_JNI(register_android_database_SQLiteQuery),
1212    REG_JNI(register_android_database_SQLiteStatement),
1213    REG_JNI(register_android_os_Debug),
1214    REG_JNI(register_android_os_FileObserver),
1215    REG_JNI(register_android_os_FileUtils),
1216    REG_JNI(register_android_os_ParcelFileDescriptor),
1217    REG_JNI(register_android_os_Power),
1218    REG_JNI(register_android_os_StatFs),
1219    REG_JNI(register_android_os_SystemProperties),
1220    REG_JNI(register_android_os_UEventObserver),
1221    REG_JNI(register_android_net_LocalSocketImpl),
1222    REG_JNI(register_android_net_NetworkUtils),
1223    REG_JNI(register_android_net_wifi_WifiManager),
1224    REG_JNI(register_android_os_MemoryFile),
1225    REG_JNI(register_com_android_internal_os_ZygoteInit),
1226    REG_JNI(register_android_hardware_Camera),
1227    REG_JNI(register_android_hardware_SensorManager),
1228    REG_JNI(register_android_media_AudioRecord),
1229    REG_JNI(register_android_media_AudioSystem),
1230    REG_JNI(register_android_media_AudioTrack),
1231    REG_JNI(register_android_media_JetPlayer),
1232    REG_JNI(register_android_media_ToneGenerator),
1233
1234    REG_JNI(register_android_opengl_classes),
1235    REG_JNI(register_android_bluetooth_HeadsetBase),
1236    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1237    REG_JNI(register_android_bluetooth_BluetoothSocket),
1238    REG_JNI(register_android_bluetooth_ScoSocket),
1239    REG_JNI(register_android_server_BluetoothService),
1240    REG_JNI(register_android_server_BluetoothEventLoop),
1241    REG_JNI(register_android_server_BluetoothA2dpService),
1242    REG_JNI(register_android_message_digest_sha1),
1243    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1244    REG_JNI(register_android_util_Base64),
1245    REG_JNI(register_android_location_GpsLocationProvider),
1246    REG_JNI(register_android_backup_BackupDataInput),
1247    REG_JNI(register_android_backup_BackupDataOutput),
1248    REG_JNI(register_android_backup_FileBackupHelperBase),
1249    REG_JNI(register_android_backup_BackupHelperDispatcher),
1250};
1251
1252/*
1253 * Register android native functions with the VM.
1254 */
1255/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1256{
1257    /*
1258     * This hook causes all future threads created in this process to be
1259     * attached to the JavaVM.  (This needs to go away in favor of JNI
1260     * Attach calls.)
1261     */
1262    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1263
1264    LOGD("--- registering native functions ---\n");
1265
1266    /*
1267     * Every "register" function calls one or more things that return
1268     * a local reference (e.g. FindClass).  Because we haven't really
1269     * started the VM yet, they're all getting stored in the base frame
1270     * and never released.  Use Push/Pop to manage the storage.
1271     */
1272    env->PushLocalFrame(200);
1273
1274    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1275        env->PopLocalFrame(NULL);
1276        return -1;
1277    }
1278    env->PopLocalFrame(NULL);
1279
1280    //createJavaThread("fubar", quickTest, (void*) "hello");
1281
1282    return 0;
1283}
1284
1285AndroidRuntime* AndroidRuntime::getRuntime()
1286{
1287    return gCurRuntime;
1288}
1289
1290/**
1291 * Used by WithFramework to register native functions.
1292 */
1293extern "C"
1294jint Java_com_android_internal_util_WithFramework_registerNatives(
1295        JNIEnv* env, jclass clazz) {
1296    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1297}
1298
1299/**
1300 * Used by LoadClass to register native functions.
1301 */
1302extern "C"
1303jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1304    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1305}
1306
1307}   // namespace android
1308