AndroidRuntime.cpp revision 6b1e838fc16d397359f82c3a4f5700f1ed7dd910 
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_EGL14(JNIEnv* env);
72extern int register_android_opengl_jni_GLES10(JNIEnv* env);
73extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
74extern int register_android_opengl_jni_GLES11(JNIEnv* env);
75extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
76extern int register_android_opengl_jni_GLES20(JNIEnv* env);
77
78extern int register_android_hardware_Camera(JNIEnv *env);
79extern int register_android_hardware_SensorManager(JNIEnv *env);
80extern int register_android_hardware_SerialPort(JNIEnv *env);
81extern int register_android_hardware_UsbDevice(JNIEnv *env);
82extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
83extern int register_android_hardware_UsbRequest(JNIEnv *env);
84
85extern int register_android_media_AudioRecord(JNIEnv *env);
86extern int register_android_media_AudioSystem(JNIEnv *env);
87extern int register_android_media_AudioTrack(JNIEnv *env);
88extern int register_android_media_JetPlayer(JNIEnv *env);
89extern int register_android_media_ToneGenerator(JNIEnv *env);
90
91extern int register_android_util_FloatMath(JNIEnv* env);
92
93namespace android {
94
95/*
96 * JNI-based registration functions.  Note these are properly contained in
97 * namespace android.
98 */
99extern int register_android_content_AssetManager(JNIEnv* env);
100extern int register_android_util_EventLog(JNIEnv* env);
101extern int register_android_util_Log(JNIEnv* env);
102extern int register_android_content_StringBlock(JNIEnv* env);
103extern int register_android_content_XmlBlock(JNIEnv* env);
104extern int register_android_emoji_EmojiFactory(JNIEnv* env);
105extern int register_android_graphics_Canvas(JNIEnv* env);
106extern int register_android_graphics_ColorFilter(JNIEnv* env);
107extern int register_android_graphics_DrawFilter(JNIEnv* env);
108extern int register_android_graphics_Matrix(JNIEnv* env);
109extern int register_android_graphics_Paint(JNIEnv* env);
110extern int register_android_graphics_Path(JNIEnv* env);
111extern int register_android_graphics_PathMeasure(JNIEnv* env);
112extern int register_android_graphics_Picture(JNIEnv*);
113extern int register_android_graphics_PorterDuff(JNIEnv* env);
114extern int register_android_graphics_Rasterizer(JNIEnv* env);
115extern int register_android_graphics_Region(JNIEnv* env);
116extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
117extern int register_android_graphics_Xfermode(JNIEnv* env);
118extern int register_android_graphics_PixelFormat(JNIEnv* env);
119extern int register_android_view_Display(JNIEnv* env);
120extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
121extern int register_android_view_GLES20DisplayList(JNIEnv* env);
122extern int register_android_view_GLES20Canvas(JNIEnv* env);
123extern int register_android_view_HardwareRenderer(JNIEnv* env);
124extern int register_android_view_Surface(JNIEnv* env);
125extern int register_android_view_TextureView(JNIEnv* env);
126extern int register_android_database_CursorWindow(JNIEnv* env);
127extern int register_android_database_SQLiteConnection(JNIEnv* env);
128extern int register_android_database_SQLiteGlobal(JNIEnv* env);
129extern int register_android_database_SQLiteDebug(JNIEnv* env);
130extern int register_android_debug_JNITest(JNIEnv* env);
131extern int register_android_nio_utils(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_Parcel(JNIEnv* env);
136extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
137extern int register_android_os_SELinux(JNIEnv* env);
138extern int register_android_os_StatFs(JNIEnv *env);
139extern int register_android_os_SystemProperties(JNIEnv *env);
140extern int register_android_os_SystemClock(JNIEnv* env);
141extern int register_android_os_Trace(JNIEnv* env);
142extern int register_android_os_FileObserver(JNIEnv *env);
143extern int register_android_os_FileUtils(JNIEnv *env);
144extern int register_android_os_UEventObserver(JNIEnv* env);
145extern int register_android_os_MemoryFile(JNIEnv* env);
146extern int register_android_net_LocalSocketImpl(JNIEnv* env);
147extern int register_android_net_NetworkUtils(JNIEnv* env);
148extern int register_android_net_TrafficStats(JNIEnv* env);
149extern int register_android_net_wifi_WifiManager(JNIEnv* env);
150extern int register_android_text_AndroidCharacter(JNIEnv *env);
151extern int register_android_text_AndroidBidi(JNIEnv *env);
152extern int register_android_opengl_classes(JNIEnv *env);
153extern int register_android_bluetooth_HeadsetBase(JNIEnv* env);
154extern int register_android_bluetooth_BluetoothAudioGateway(JNIEnv* env);
155extern int register_android_bluetooth_BluetoothSocket(JNIEnv *env);
156extern int register_android_server_BluetoothService(JNIEnv* env);
157extern int register_android_server_BluetoothEventLoop(JNIEnv *env);
158extern int register_android_server_BluetoothA2dpService(JNIEnv* env);
159extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
160extern int register_android_server_Watchdog(JNIEnv* env);
161extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
162extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
163extern int register_android_backup_BackupDataInput(JNIEnv *env);
164extern int register_android_backup_BackupDataOutput(JNIEnv *env);
165extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
166extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
167extern int register_android_app_backup_FullBackup(JNIEnv *env);
168extern int register_android_app_ActivityThread(JNIEnv *env);
169extern int register_android_app_NativeActivity(JNIEnv *env);
170extern int register_android_view_InputChannel(JNIEnv* env);
171extern int register_android_view_InputDevice(JNIEnv* env);
172extern int register_android_view_InputEventReceiver(JNIEnv* env);
173extern int register_android_view_KeyCharacterMap(JNIEnv *env);
174extern int register_android_view_KeyEvent(JNIEnv* env);
175extern int register_android_view_MotionEvent(JNIEnv* env);
176extern int register_android_view_PointerIcon(JNIEnv* env);
177extern int register_android_view_VelocityTracker(JNIEnv* env);
178extern int register_android_content_res_ObbScanner(JNIEnv* env);
179extern int register_android_content_res_Configuration(JNIEnv* env);
180extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
181extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
182
183static AndroidRuntime* gCurRuntime = NULL;
184
185static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
186{
187    if (jniThrowException(env, exc, msg) != 0)
188        assert(false);
189}
190
191/*
192 * Code written in the Java Programming Language calls here from main().
193 */
194static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
195{
196    gCurRuntime->onStarted();
197}
198
199static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
200{
201    gCurRuntime->onZygoteInit();
202}
203
204static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
205        jobject clazz, jboolean exitWithoutCleanup)
206{
207    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
208}
209
210/*
211 * JNI registration.
212 */
213static JNINativeMethod gMethods[] = {
214    { "nativeFinishInit", "()V",
215        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
216    { "nativeZygoteInit", "()V",
217        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
218    { "nativeSetExitWithoutCleanup", "(Z)V",
219        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
220};
221
222int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
223{
224    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
225        gMethods, NELEM(gMethods));
226}
227
228// ----------------------------------------------------------------------
229
230/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
231
232
233AndroidRuntime::AndroidRuntime() :
234        mExitWithoutCleanup(false)
235{
236    SkGraphics::Init();
237    // this sets our preference for 16bit images during decode
238    // in case the src is opaque and 24bit
239    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
240    // This cache is shared between browser native images, and java "purgeable"
241    // bitmaps. This globalpool is for images that do not either use the java
242    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
243    // java call site.
244    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
245    // There is also a global font cache, but its budget is specified in code
246    // see SkFontHost_android.cpp
247
248    // Pre-allocate enough space to hold a fair number of options.
249    mOptions.setCapacity(20);
250
251    assert(gCurRuntime == NULL);        // one per process
252    gCurRuntime = this;
253}
254
255AndroidRuntime::~AndroidRuntime()
256{
257    SkGraphics::Term();
258}
259
260/*
261 * Register native methods using JNI.
262 */
263/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
264    const char* className, const JNINativeMethod* gMethods, int numMethods)
265{
266    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
267}
268
269status_t AndroidRuntime::callMain(const char* className,
270    jclass clazz, int argc, const char* const argv[])
271{
272    JNIEnv* env;
273    jmethodID methodId;
274
275    ALOGD("Calling main entry %s", className);
276
277    env = getJNIEnv();
278    if (clazz == NULL || env == NULL) {
279        return UNKNOWN_ERROR;
280    }
281
282    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
283    if (methodId == NULL) {
284        ALOGE("ERROR: could not find method %s.main(String[])\n", className);
285        return UNKNOWN_ERROR;
286    }
287
288    /*
289     * We want to call main() with a String array with our arguments in it.
290     * Create an array and populate it.
291     */
292    jclass stringClass;
293    jobjectArray strArray;
294
295    stringClass = env->FindClass("java/lang/String");
296    strArray = env->NewObjectArray(argc, stringClass, NULL);
297
298    for (int i = 0; i < argc; i++) {
299        jstring argStr = env->NewStringUTF(argv[i]);
300        env->SetObjectArrayElement(strArray, i, argStr);
301    }
302
303    env->CallStaticVoidMethod(clazz, methodId, strArray);
304    return NO_ERROR;
305}
306
307/*
308 * The VM calls this through the "exit" hook.
309 */
310static void runtime_exit(int code)
311{
312    gCurRuntime->exit(code);
313}
314
315/*
316 * The VM calls this through the "vfprintf" hook.
317 *
318 * We ignore "fp" and just write the results to the log file.
319 */
320static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
321{
322    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
323}
324
325/**
326 * The VM calls this when mutex contention debugging is enabled to
327 * determine whether or not the blocked thread was a "sensitive thread"
328 * for user responsiveness/smoothess.
329 *
330 * Our policy for this is whether or not we're tracing any StrictMode
331 * events on this thread (which we might've inherited via Binder calls
332 * into us)
333 */
334static bool runtime_isSensitiveThread() {
335    IPCThreadState* state = IPCThreadState::selfOrNull();
336    return state && state->getStrictModePolicy() != 0;
337}
338
339
340/**
341 * Add VM arguments to the to-be-executed VM
342 * Stops at first non '-' argument (also stops at an argument of '--')
343 * Returns the number of args consumed
344 */
345int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
346{
347    int i;
348
349    for (i = 0; i<argc; i++) {
350        if (argv[i][0] != '-') {
351            return i;
352        }
353        if (argv[i][1] == '-' && argv[i][2] == 0) {
354            return i+1;
355        }
356
357        JavaVMOption opt;
358        memset(&opt, 0, sizeof(opt));
359        opt.optionString = (char*)argv[i];
360        mOptions.add(opt);
361    }
362    return i;
363}
364
365static int hasDir(const char* dir)
366{
367    struct stat s;
368    int res = stat(dir, &s);
369    if (res == 0) {
370        return S_ISDIR(s.st_mode);
371    }
372    return 0;
373}
374
375/*
376 * We just want failed write() calls to just return with an error.
377 */
378static void blockSigpipe()
379{
380    sigset_t mask;
381
382    sigemptyset(&mask);
383    sigaddset(&mask, SIGPIPE);
384    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
385        ALOGW("WARNING: SIGPIPE not blocked\n");
386}
387
388/*
389 * Read the persistent locale.
390 */
391static void readLocale(char* language, char* region)
392{
393    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
394
395    property_get("persist.sys.language", propLang, "");
396    property_get("persist.sys.country", propRegn, "");
397    if (*propLang == 0 && *propRegn == 0) {
398        /* Set to ro properties, default is en_US */
399        property_get("ro.product.locale.language", propLang, "en");
400        property_get("ro.product.locale.region", propRegn, "US");
401    }
402    strncat(language, propLang, 2);
403    strncat(region, propRegn, 2);
404    //ALOGD("language=%s region=%s\n", language, region);
405}
406
407/*
408 * Parse a property containing space-separated options that should be
409 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
410 *
411 * This will cut up "extraOptsBuf" as we chop it into individual options.
412 *
413 * Adds the strings, if any, to mOptions.
414 */
415void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
416{
417    JavaVMOption opt;
418    char* start;
419    char* end;
420
421    memset(&opt, 0, sizeof(opt));
422    start = extraOptsBuf;
423    while (*start != '\0') {
424        while (*start == ' ')                   /* skip leading whitespace */
425            start++;
426        if (*start == '\0')                     /* was trailing ws, bail */
427            break;
428
429        end = start+1;
430        while (*end != ' ' && *end != '\0')     /* find end of token */
431            end++;
432        if (*end == ' ')
433            *end++ = '\0';          /* mark end, advance to indicate more */
434
435        opt.optionString = start;
436        mOptions.add(opt);
437        start = end;
438    }
439}
440
441/*
442 * Start the Dalvik Virtual Machine.
443 *
444 * Various arguments, most determined by system properties, are passed in.
445 * The "mOptions" vector is updated.
446 *
447 * Returns 0 on success.
448 */
449int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
450{
451    int result = -1;
452    JavaVMInitArgs initArgs;
453    JavaVMOption opt;
454    char propBuf[PROPERTY_VALUE_MAX];
455    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
456    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
457    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
458    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
459    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
460    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
461    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
462    char extraOptsBuf[PROPERTY_VALUE_MAX];
463    char* stackTraceFile = NULL;
464    bool checkJni = false;
465    bool checkDexSum = false;
466    bool logStdio = false;
467    enum {
468      kEMDefault,
469      kEMIntPortable,
470      kEMIntFast,
471#if defined(WITH_JIT)
472      kEMJitCompiler,
473#endif
474    } executionMode = kEMDefault;
475
476
477    property_get("dalvik.vm.checkjni", propBuf, "");
478    if (strcmp(propBuf, "true") == 0) {
479        checkJni = true;
480    } else if (strcmp(propBuf, "false") != 0) {
481        /* property is neither true nor false; fall back on kernel parameter */
482        property_get("ro.kernel.android.checkjni", propBuf, "");
483        if (propBuf[0] == '1') {
484            checkJni = true;
485        }
486    }
487
488    property_get("dalvik.vm.execution-mode", propBuf, "");
489    if (strcmp(propBuf, "int:portable") == 0) {
490        executionMode = kEMIntPortable;
491    } else if (strcmp(propBuf, "int:fast") == 0) {
492        executionMode = kEMIntFast;
493#if defined(WITH_JIT)
494    } else if (strcmp(propBuf, "int:jit") == 0) {
495        executionMode = kEMJitCompiler;
496#endif
497    }
498
499    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
500
501    property_get("dalvik.vm.check-dex-sum", propBuf, "");
502    if (strcmp(propBuf, "true") == 0) {
503        checkDexSum = true;
504    }
505
506    property_get("log.redirect-stdio", propBuf, "");
507    if (strcmp(propBuf, "true") == 0) {
508        logStdio = true;
509    }
510
511    strcpy(enableAssertBuf, "-ea:");
512    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
513
514    strcpy(jniOptsBuf, "-Xjniopts:");
515    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
516
517    /* route exit() to our handler */
518    opt.extraInfo = (void*) runtime_exit;
519    opt.optionString = "exit";
520    mOptions.add(opt);
521
522    /* route fprintf() to our handler */
523    opt.extraInfo = (void*) runtime_vfprintf;
524    opt.optionString = "vfprintf";
525    mOptions.add(opt);
526
527    /* register the framework-specific "is sensitive thread" hook */
528    opt.extraInfo = (void*) runtime_isSensitiveThread;
529    opt.optionString = "sensitiveThread";
530    mOptions.add(opt);
531
532    opt.extraInfo = NULL;
533
534    /* enable verbose; standard options are { jni, gc, class } */
535    //options[curOpt++].optionString = "-verbose:jni";
536    opt.optionString = "-verbose:gc";
537    mOptions.add(opt);
538    //options[curOpt++].optionString = "-verbose:class";
539
540    /*
541     * The default starting and maximum size of the heap.  Larger
542     * values should be specified in a product property override.
543     */
544    strcpy(heapstartsizeOptsBuf, "-Xms");
545    property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m");
546    opt.optionString = heapstartsizeOptsBuf;
547    mOptions.add(opt);
548    strcpy(heapsizeOptsBuf, "-Xmx");
549    property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
550    opt.optionString = heapsizeOptsBuf;
551    mOptions.add(opt);
552
553    // Increase the main thread's interpreter stack size for bug 6315322.
554    opt.optionString = "-XX:mainThreadStackSize=24K";
555    mOptions.add(opt);
556
557    strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
558    property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, "");
559    if (heapgrowthlimitOptsBuf[20] != '\0') {
560        opt.optionString = heapgrowthlimitOptsBuf;
561        mOptions.add(opt);
562    }
563
564    /*
565     * Enable or disable dexopt features, such as bytecode verification and
566     * calculation of register maps for precise GC.
567     */
568    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
569    if (dexoptFlagsBuf[0] != '\0') {
570        const char* opc;
571        const char* val;
572
573        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
574        if (opc != NULL) {
575            switch (*(opc+2)) {
576            case 'n':   val = "-Xverify:none";      break;
577            case 'r':   val = "-Xverify:remote";    break;
578            case 'a':   val = "-Xverify:all";       break;
579            default:    val = NULL;                 break;
580            }
581
582            if (val != NULL) {
583                opt.optionString = val;
584                mOptions.add(opt);
585            }
586        }
587
588        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
589        if (opc != NULL) {
590            switch (*(opc+2)) {
591            case 'n':   val = "-Xdexopt:none";      break;
592            case 'v':   val = "-Xdexopt:verified";  break;
593            case 'a':   val = "-Xdexopt:all";       break;
594            case 'f':   val = "-Xdexopt:full";      break;
595            default:    val = NULL;                 break;
596            }
597
598            if (val != NULL) {
599                opt.optionString = val;
600                mOptions.add(opt);
601            }
602        }
603
604        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
605        if (opc != NULL) {
606            opt.optionString = "-Xgenregmap";
607            mOptions.add(opt);
608
609            /* turn on precise GC while we're at it */
610            opt.optionString = "-Xgc:precise";
611            mOptions.add(opt);
612        }
613    }
614
615    /* enable debugging; set suspend=y to pause during VM init */
616    /* use android ADB transport */
617    opt.optionString =
618        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
619    mOptions.add(opt);
620
621    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
622    if (checkJni) {
623        /* extended JNI checking */
624        opt.optionString = "-Xcheck:jni";
625        mOptions.add(opt);
626
627        /* set a cap on JNI global references */
628        opt.optionString = "-Xjnigreflimit:2000";
629        mOptions.add(opt);
630
631        /* with -Xcheck:jni, this provides a JNI function call trace */
632        //opt.optionString = "-verbose:jni";
633        //mOptions.add(opt);
634    }
635
636    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
637    property_get("dalvik.vm.lockprof.threshold", propBuf, "");
638    if (strlen(propBuf) > 0) {
639      strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:");
640      strcat(lockProfThresholdBuf, propBuf);
641      opt.optionString = lockProfThresholdBuf;
642      mOptions.add(opt);
643    }
644
645#if defined(WITH_JIT)
646    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
647    char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
648    property_get("dalvik.vm.jit.op", propBuf, "");
649    if (strlen(propBuf) > 0) {
650        strcpy(jitOpBuf, "-Xjitop:");
651        strcat(jitOpBuf, propBuf);
652        opt.optionString = jitOpBuf;
653        mOptions.add(opt);
654    }
655
656    /* Force interpreter-only mode for selected methods */
657    char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
658    property_get("dalvik.vm.jit.method", propBuf, "");
659    if (strlen(propBuf) > 0) {
660        strcpy(jitMethodBuf, "-Xjitmethod:");
661        strcat(jitMethodBuf, propBuf);
662        opt.optionString = jitMethodBuf;
663        mOptions.add(opt);
664    }
665#endif
666
667    if (executionMode == kEMIntPortable) {
668        opt.optionString = "-Xint:portable";
669        mOptions.add(opt);
670    } else if (executionMode == kEMIntFast) {
671        opt.optionString = "-Xint:fast";
672        mOptions.add(opt);
673#if defined(WITH_JIT)
674    } else if (executionMode == kEMJitCompiler) {
675        opt.optionString = "-Xint:jit";
676        mOptions.add(opt);
677#endif
678    }
679
680    if (checkDexSum) {
681        /* perform additional DEX checksum tests */
682        opt.optionString = "-Xcheckdexsum";
683        mOptions.add(opt);
684    }
685
686    if (logStdio) {
687        /* convert stdout/stderr to log messages */
688        opt.optionString = "-Xlog-stdio";
689        mOptions.add(opt);
690    }
691
692    if (enableAssertBuf[4] != '\0') {
693        /* accept "all" to mean "all classes and packages" */
694        if (strcmp(enableAssertBuf+4, "all") == 0)
695            enableAssertBuf[3] = '\0';
696        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
697        opt.optionString = enableAssertBuf;
698        mOptions.add(opt);
699    } else {
700        ALOGV("Assertions disabled\n");
701    }
702
703    if (jniOptsBuf[10] != '\0') {
704        ALOGI("JNI options: '%s'\n", jniOptsBuf);
705        opt.optionString = jniOptsBuf;
706        mOptions.add(opt);
707    }
708
709    if (stackTraceFileBuf[0] != '\0') {
710        static const char* stfOptName = "-Xstacktracefile:";
711
712        stackTraceFile = (char*) malloc(strlen(stfOptName) +
713            strlen(stackTraceFileBuf) +1);
714        strcpy(stackTraceFile, stfOptName);
715        strcat(stackTraceFile, stackTraceFileBuf);
716        opt.optionString = stackTraceFile;
717        mOptions.add(opt);
718    }
719
720    /* extra options; parse this late so it overrides others */
721    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
722    parseExtraOpts(extraOptsBuf);
723
724    /* Set the properties for locale */
725    {
726        char langOption[sizeof("-Duser.language=") + 3];
727        char regionOption[sizeof("-Duser.region=") + 3];
728        strcpy(langOption, "-Duser.language=");
729        strcpy(regionOption, "-Duser.region=");
730        readLocale(langOption, regionOption);
731        opt.extraInfo = NULL;
732        opt.optionString = langOption;
733        mOptions.add(opt);
734        opt.optionString = regionOption;
735        mOptions.add(opt);
736    }
737
738    /*
739     * We don't have /tmp on the device, but we often have an SD card.  Apps
740     * shouldn't use this, but some test suites might want to exercise it.
741     */
742    opt.optionString = "-Djava.io.tmpdir=/sdcard";
743    mOptions.add(opt);
744
745    initArgs.version = JNI_VERSION_1_4;
746    initArgs.options = mOptions.editArray();
747    initArgs.nOptions = mOptions.size();
748    initArgs.ignoreUnrecognized = JNI_FALSE;
749
750    /*
751     * Initialize the VM.
752     *
753     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
754     * If this call succeeds, the VM is ready, and we can start issuing
755     * JNI calls.
756     */
757    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
758        ALOGE("JNI_CreateJavaVM failed\n");
759        goto bail;
760    }
761
762    result = 0;
763
764bail:
765    free(stackTraceFile);
766    return result;
767}
768
769char* AndroidRuntime::toSlashClassName(const char* className)
770{
771    char* result = strdup(className);
772    for (char* cp = result; *cp != '\0'; cp++) {
773        if (*cp == '.') {
774            *cp = '/';
775        }
776    }
777    return result;
778}
779
780/*
781 * Start the Android runtime.  This involves starting the virtual machine
782 * and calling the "static void main(String[] args)" method in the class
783 * named by "className".
784 *
785 * Passes the main function two arguments, the class name and the specified
786 * options string.
787 */
788void AndroidRuntime::start(const char* className, const char* options)
789{
790    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
791            className != NULL ? className : "(unknown)");
792
793    blockSigpipe();
794
795    /*
796     * 'startSystemServer == true' means runtime is obsolete and not run from
797     * init.rc anymore, so we print out the boot start event here.
798     */
799    if (strcmp(options, "start-system-server") == 0) {
800        /* track our progress through the boot sequence */
801        const int LOG_BOOT_PROGRESS_START = 3000;
802        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
803                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
804    }
805
806    const char* rootDir = getenv("ANDROID_ROOT");
807    if (rootDir == NULL) {
808        rootDir = "/system";
809        if (!hasDir("/system")) {
810            LOG_FATAL("No root directory specified, and /android does not exist.");
811            return;
812        }
813        setenv("ANDROID_ROOT", rootDir, 1);
814    }
815
816    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
817    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
818
819    /* start the virtual machine */
820    JNIEnv* env;
821    if (startVm(&mJavaVM, &env) != 0) {
822        return;
823    }
824    onVmCreated(env);
825
826    /*
827     * Register android functions.
828     */
829    if (startReg(env) < 0) {
830        ALOGE("Unable to register all android natives\n");
831        return;
832    }
833
834    /*
835     * We want to call main() with a String array with arguments in it.
836     * At present we have two arguments, the class name and an option string.
837     * Create an array to hold them.
838     */
839    jclass stringClass;
840    jobjectArray strArray;
841    jstring classNameStr;
842    jstring optionsStr;
843
844    stringClass = env->FindClass("java/lang/String");
845    assert(stringClass != NULL);
846    strArray = env->NewObjectArray(2, stringClass, NULL);
847    assert(strArray != NULL);
848    classNameStr = env->NewStringUTF(className);
849    assert(classNameStr != NULL);
850    env->SetObjectArrayElement(strArray, 0, classNameStr);
851    optionsStr = env->NewStringUTF(options);
852    env->SetObjectArrayElement(strArray, 1, optionsStr);
853
854    /*
855     * Start VM.  This thread becomes the main thread of the VM, and will
856     * not return until the VM exits.
857     */
858    char* slashClassName = toSlashClassName(className);
859    jclass startClass = env->FindClass(slashClassName);
860    if (startClass == NULL) {
861        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
862        /* keep going */
863    } else {
864        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
865            "([Ljava/lang/String;)V");
866        if (startMeth == NULL) {
867            ALOGE("JavaVM unable to find main() in '%s'\n", className);
868            /* keep going */
869        } else {
870            env->CallStaticVoidMethod(startClass, startMeth, strArray);
871
872#if 0
873            if (env->ExceptionCheck())
874                threadExitUncaughtException(env);
875#endif
876        }
877    }
878    free(slashClassName);
879
880    ALOGD("Shutting down VM\n");
881    if (mJavaVM->DetachCurrentThread() != JNI_OK)
882        ALOGW("Warning: unable to detach main thread\n");
883    if (mJavaVM->DestroyJavaVM() != 0)
884        ALOGW("Warning: VM did not shut down cleanly\n");
885}
886
887void AndroidRuntime::exit(int code)
888{
889    if (mExitWithoutCleanup) {
890        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
891        ::_exit(code);
892    } else {
893        ALOGI("VM exiting with result code %d.", code);
894        onExit(code);
895        ::exit(code);
896    }
897}
898
899void AndroidRuntime::onVmCreated(JNIEnv* env)
900{
901    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
902}
903
904/*
905 * Get the JNIEnv pointer for this thread.
906 *
907 * Returns NULL if the slot wasn't allocated or populated.
908 */
909/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
910{
911    JNIEnv* env;
912    JavaVM* vm = AndroidRuntime::getJavaVM();
913    assert(vm != NULL);
914
915    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
916        return NULL;
917    return env;
918}
919
920/*
921 * Makes the current thread visible to the VM.
922 *
923 * The JNIEnv pointer returned is only valid for the current thread, and
924 * thus must be tucked into thread-local storage.
925 */
926static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
927{
928    JavaVMAttachArgs args;
929    JavaVM* vm;
930    jint result;
931
932    vm = AndroidRuntime::getJavaVM();
933    assert(vm != NULL);
934
935    args.version = JNI_VERSION_1_4;
936    args.name = (char*) threadName;
937    args.group = NULL;
938
939    result = vm->AttachCurrentThread(pEnv, (void*) &args);
940    if (result != JNI_OK)
941        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
942
943    return result;
944}
945
946/*
947 * Detach the current thread from the set visible to the VM.
948 */
949static int javaDetachThread(void)
950{
951    JavaVM* vm;
952    jint result;
953
954    vm = AndroidRuntime::getJavaVM();
955    assert(vm != NULL);
956
957    result = vm->DetachCurrentThread();
958    if (result != JNI_OK)
959        ALOGE("ERROR: thread detach failed\n");
960    return result;
961}
962
963/*
964 * When starting a native thread that will be visible from the VM, we
965 * bounce through this to get the right attach/detach action.
966 * Note that this function calls free(args)
967 */
968/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
969    void* start = ((void**)args)[0];
970    void* userData = ((void **)args)[1];
971    char* name = (char*) ((void **)args)[2];        // we own this storage
972    free(args);
973    JNIEnv* env;
974    int result;
975
976    /* hook us into the VM */
977    if (javaAttachThread(name, &env) != JNI_OK)
978        return -1;
979
980    /* start the thread running */
981    result = (*(android_thread_func_t)start)(userData);
982
983    /* unhook us */
984    javaDetachThread();
985    free(name);
986
987    return result;
988}
989
990/*
991 * This is invoked from androidCreateThreadEtc() via the callback
992 * set with androidSetCreateThreadFunc().
993 *
994 * We need to create the new thread in such a way that it gets hooked
995 * into the VM before it really starts executing.
996 */
997/*static*/ int AndroidRuntime::javaCreateThreadEtc(
998                                android_thread_func_t entryFunction,
999                                void* userData,
1000                                const char* threadName,
1001                                int32_t threadPriority,
1002                                size_t threadStackSize,
1003                                android_thread_id_t* threadId)
1004{
1005    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1006    int result;
1007
1008    assert(threadName != NULL);
1009
1010    args[0] = (void*) entryFunction;
1011    args[1] = userData;
1012    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1013
1014    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1015        threadName, threadPriority, threadStackSize, threadId);
1016    return result;
1017}
1018
1019/*
1020 * Create a thread that is visible from the VM.
1021 *
1022 * This is called from elsewhere in the library.
1023 */
1024/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1025    void (*start)(void *), void* arg)
1026{
1027    android_thread_id_t threadId = 0;
1028    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1029        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1030    return threadId;
1031}
1032
1033#if 0
1034static void quickTest(void* arg)
1035{
1036    const char* str = (const char*) arg;
1037
1038    printf("In quickTest: %s\n", str);
1039}
1040#endif
1041
1042#ifdef NDEBUG
1043    #define REG_JNI(name)      { name }
1044    struct RegJNIRec {
1045        int (*mProc)(JNIEnv*);
1046    };
1047#else
1048    #define REG_JNI(name)      { name, #name }
1049    struct RegJNIRec {
1050        int (*mProc)(JNIEnv*);
1051        const char* mName;
1052    };
1053#endif
1054
1055typedef void (*RegJAMProc)();
1056
1057static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1058{
1059    for (size_t i = 0; i < count; i++) {
1060        if (array[i].mProc(env) < 0) {
1061#ifndef NDEBUG
1062            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1063#endif
1064            return -1;
1065        }
1066    }
1067    return 0;
1068}
1069
1070static void register_jam_procs(const RegJAMProc array[], size_t count)
1071{
1072    for (size_t i = 0; i < count; i++) {
1073        array[i]();
1074    }
1075}
1076
1077static const RegJNIRec gRegJNI[] = {
1078    REG_JNI(register_android_debug_JNITest),
1079    REG_JNI(register_com_android_internal_os_RuntimeInit),
1080    REG_JNI(register_android_os_SystemClock),
1081    REG_JNI(register_android_util_EventLog),
1082    REG_JNI(register_android_util_Log),
1083    REG_JNI(register_android_util_FloatMath),
1084    REG_JNI(register_android_text_format_Time),
1085    REG_JNI(register_android_content_AssetManager),
1086    REG_JNI(register_android_content_StringBlock),
1087    REG_JNI(register_android_content_XmlBlock),
1088    REG_JNI(register_android_emoji_EmojiFactory),
1089    REG_JNI(register_android_text_AndroidCharacter),
1090    REG_JNI(register_android_text_AndroidBidi),
1091    REG_JNI(register_android_view_InputDevice),
1092    REG_JNI(register_android_view_KeyCharacterMap),
1093    REG_JNI(register_android_os_Process),
1094    REG_JNI(register_android_os_SystemProperties),
1095    REG_JNI(register_android_os_Binder),
1096    REG_JNI(register_android_os_Parcel),
1097    REG_JNI(register_android_view_Display),
1098    REG_JNI(register_android_view_DisplayEventReceiver),
1099    REG_JNI(register_android_nio_utils),
1100    REG_JNI(register_android_graphics_PixelFormat),
1101    REG_JNI(register_android_graphics_Graphics),
1102    REG_JNI(register_android_view_GLES20DisplayList),
1103    REG_JNI(register_android_view_GLES20Canvas),
1104    REG_JNI(register_android_view_HardwareRenderer),
1105    REG_JNI(register_android_view_Surface),
1106    REG_JNI(register_android_view_TextureView),
1107    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1108    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1109    REG_JNI(register_android_opengl_jni_EGL14),
1110    REG_JNI(register_android_opengl_jni_GLES10),
1111    REG_JNI(register_android_opengl_jni_GLES10Ext),
1112    REG_JNI(register_android_opengl_jni_GLES11),
1113    REG_JNI(register_android_opengl_jni_GLES11Ext),
1114    REG_JNI(register_android_opengl_jni_GLES20),
1115
1116    REG_JNI(register_android_graphics_Bitmap),
1117    REG_JNI(register_android_graphics_BitmapFactory),
1118    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1119    REG_JNI(register_android_graphics_Camera),
1120    REG_JNI(register_android_graphics_Canvas),
1121    REG_JNI(register_android_graphics_ColorFilter),
1122    REG_JNI(register_android_graphics_DrawFilter),
1123    REG_JNI(register_android_graphics_Interpolator),
1124    REG_JNI(register_android_graphics_LayerRasterizer),
1125    REG_JNI(register_android_graphics_MaskFilter),
1126    REG_JNI(register_android_graphics_Matrix),
1127    REG_JNI(register_android_graphics_Movie),
1128    REG_JNI(register_android_graphics_NinePatch),
1129    REG_JNI(register_android_graphics_Paint),
1130    REG_JNI(register_android_graphics_Path),
1131    REG_JNI(register_android_graphics_PathMeasure),
1132    REG_JNI(register_android_graphics_PathEffect),
1133    REG_JNI(register_android_graphics_Picture),
1134    REG_JNI(register_android_graphics_PorterDuff),
1135    REG_JNI(register_android_graphics_Rasterizer),
1136    REG_JNI(register_android_graphics_Region),
1137    REG_JNI(register_android_graphics_Shader),
1138    REG_JNI(register_android_graphics_SurfaceTexture),
1139    REG_JNI(register_android_graphics_Typeface),
1140    REG_JNI(register_android_graphics_Xfermode),
1141    REG_JNI(register_android_graphics_YuvImage),
1142
1143    REG_JNI(register_android_database_CursorWindow),
1144    REG_JNI(register_android_database_SQLiteConnection),
1145    REG_JNI(register_android_database_SQLiteGlobal),
1146    REG_JNI(register_android_database_SQLiteDebug),
1147    REG_JNI(register_android_os_Debug),
1148    REG_JNI(register_android_os_FileObserver),
1149    REG_JNI(register_android_os_FileUtils),
1150    REG_JNI(register_android_os_MessageQueue),
1151    REG_JNI(register_android_os_ParcelFileDescriptor),
1152    REG_JNI(register_android_os_SELinux),
1153    REG_JNI(register_android_os_StatFs),
1154    REG_JNI(register_android_os_Trace),
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_os_MemoryFile),
1161    REG_JNI(register_com_android_internal_os_ZygoteInit),
1162    REG_JNI(register_android_hardware_Camera),
1163    REG_JNI(register_android_hardware_SensorManager),
1164    REG_JNI(register_android_hardware_SerialPort),
1165    REG_JNI(register_android_hardware_UsbDevice),
1166    REG_JNI(register_android_hardware_UsbDeviceConnection),
1167    REG_JNI(register_android_hardware_UsbRequest),
1168    REG_JNI(register_android_media_AudioRecord),
1169    REG_JNI(register_android_media_AudioSystem),
1170    REG_JNI(register_android_media_AudioTrack),
1171    REG_JNI(register_android_media_JetPlayer),
1172    REG_JNI(register_android_media_ToneGenerator),
1173
1174    REG_JNI(register_android_opengl_classes),
1175    REG_JNI(register_android_bluetooth_HeadsetBase),
1176    REG_JNI(register_android_bluetooth_BluetoothAudioGateway),
1177    REG_JNI(register_android_bluetooth_BluetoothSocket),
1178    REG_JNI(register_android_server_BluetoothService),
1179    REG_JNI(register_android_server_BluetoothEventLoop),
1180    REG_JNI(register_android_server_BluetoothA2dpService),
1181    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1182    REG_JNI(register_android_server_Watchdog),
1183    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1184    REG_JNI(register_android_backup_BackupDataInput),
1185    REG_JNI(register_android_backup_BackupDataOutput),
1186    REG_JNI(register_android_backup_FileBackupHelperBase),
1187    REG_JNI(register_android_backup_BackupHelperDispatcher),
1188    REG_JNI(register_android_app_backup_FullBackup),
1189    REG_JNI(register_android_app_ActivityThread),
1190    REG_JNI(register_android_app_NativeActivity),
1191    REG_JNI(register_android_view_InputChannel),
1192    REG_JNI(register_android_view_InputEventReceiver),
1193    REG_JNI(register_android_view_KeyEvent),
1194    REG_JNI(register_android_view_MotionEvent),
1195    REG_JNI(register_android_view_PointerIcon),
1196    REG_JNI(register_android_view_VelocityTracker),
1197
1198    REG_JNI(register_android_content_res_ObbScanner),
1199    REG_JNI(register_android_content_res_Configuration),
1200
1201    REG_JNI(register_android_animation_PropertyValuesHolder),
1202    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1203};
1204
1205/*
1206 * Register android native functions with the VM.
1207 */
1208/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1209{
1210    /*
1211     * This hook causes all future threads created in this process to be
1212     * attached to the JavaVM.  (This needs to go away in favor of JNI
1213     * Attach calls.)
1214     */
1215    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1216
1217    ALOGV("--- registering native functions ---\n");
1218
1219    /*
1220     * Every "register" function calls one or more things that return
1221     * a local reference (e.g. FindClass).  Because we haven't really
1222     * started the VM yet, they're all getting stored in the base frame
1223     * and never released.  Use Push/Pop to manage the storage.
1224     */
1225    env->PushLocalFrame(200);
1226
1227    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1228        env->PopLocalFrame(NULL);
1229        return -1;
1230    }
1231    env->PopLocalFrame(NULL);
1232
1233    //createJavaThread("fubar", quickTest, (void*) "hello");
1234
1235    return 0;
1236}
1237
1238AndroidRuntime* AndroidRuntime::getRuntime()
1239{
1240    return gCurRuntime;
1241}
1242
1243/**
1244 * Used by WithFramework to register native functions.
1245 */
1246extern "C"
1247jint Java_com_android_internal_util_WithFramework_registerNatives(
1248        JNIEnv* env, jclass clazz) {
1249    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1250}
1251
1252/**
1253 * Used by LoadClass to register native functions.
1254 */
1255extern "C"
1256jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1257    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1258}
1259
1260}   // namespace android
1261