AndroidRuntime.cpp revision a44dd26a75e24cc021802288fb81f4761e47be6b 
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 int register_android_os_Binder(JNIEnv* env);
51extern int register_android_os_Process(JNIEnv* env);
52extern int register_android_graphics_Bitmap(JNIEnv*);
53extern int register_android_graphics_BitmapFactory(JNIEnv*);
54extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
55extern int register_android_graphics_Camera(JNIEnv* env);
56extern int register_android_graphics_Graphics(JNIEnv* env);
57extern int register_android_graphics_Interpolator(JNIEnv* env);
58extern int register_android_graphics_LayerRasterizer(JNIEnv*);
59extern int register_android_graphics_MaskFilter(JNIEnv* env);
60extern int register_android_graphics_Movie(JNIEnv* env);
61extern int register_android_graphics_NinePatch(JNIEnv*);
62extern int register_android_graphics_PathEffect(JNIEnv* env);
63extern int register_android_graphics_Shader(JNIEnv* env);
64extern int register_android_graphics_Typeface(JNIEnv* env);
65extern int register_android_graphics_YuvImage(JNIEnv* env);
66
67extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
68extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
69extern int register_android_opengl_jni_EGL14(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);
74extern int register_android_opengl_jni_GLES20(JNIEnv* env);
75
76extern int register_android_hardware_Camera(JNIEnv *env);
77extern int register_android_hardware_SensorManager(JNIEnv *env);
78extern int register_android_hardware_SerialPort(JNIEnv *env);
79extern int register_android_hardware_UsbDevice(JNIEnv *env);
80extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
81extern int register_android_hardware_UsbRequest(JNIEnv *env);
82
83extern int register_android_media_AudioRecord(JNIEnv *env);
84extern int register_android_media_AudioSystem(JNIEnv *env);
85extern int register_android_media_AudioTrack(JNIEnv *env);
86extern int register_android_media_JetPlayer(JNIEnv *env);
87extern int register_android_media_ToneGenerator(JNIEnv *env);
88
89extern int register_android_util_FloatMath(JNIEnv* env);
90
91namespace android {
92
93/*
94 * JNI-based registration functions.  Note these are properly contained in
95 * namespace android.
96 */
97extern int register_android_content_AssetManager(JNIEnv* env);
98extern int register_android_util_EventLog(JNIEnv* env);
99extern int register_android_util_Log(JNIEnv* env);
100extern int register_android_content_StringBlock(JNIEnv* env);
101extern int register_android_content_XmlBlock(JNIEnv* env);
102extern int register_android_emoji_EmojiFactory(JNIEnv* env);
103extern int register_android_graphics_Canvas(JNIEnv* env);
104extern int register_android_graphics_ColorFilter(JNIEnv* env);
105extern int register_android_graphics_DrawFilter(JNIEnv* env);
106extern int register_android_graphics_Matrix(JNIEnv* env);
107extern int register_android_graphics_Paint(JNIEnv* env);
108extern int register_android_graphics_Path(JNIEnv* env);
109extern int register_android_graphics_PathMeasure(JNIEnv* env);
110extern int register_android_graphics_Picture(JNIEnv*);
111extern int register_android_graphics_PorterDuff(JNIEnv* env);
112extern int register_android_graphics_Rasterizer(JNIEnv* env);
113extern int register_android_graphics_Region(JNIEnv* env);
114extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
115extern int register_android_graphics_Xfermode(JNIEnv* env);
116extern int register_android_graphics_PixelFormat(JNIEnv* env);
117extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
118extern int register_android_view_GLES20DisplayList(JNIEnv* env);
119extern int register_android_view_GLES20Canvas(JNIEnv* env);
120extern int register_android_view_HardwareRenderer(JNIEnv* env);
121extern int register_android_view_Surface(JNIEnv* env);
122extern int register_android_view_SurfaceControl(JNIEnv* env);
123extern int register_android_view_SurfaceSession(JNIEnv* env);
124extern int register_android_view_TextureView(JNIEnv* env);
125extern int register_android_database_CursorWindow(JNIEnv* env);
126extern int register_android_database_SQLiteConnection(JNIEnv* env);
127extern int register_android_database_SQLiteGlobal(JNIEnv* env);
128extern int register_android_database_SQLiteDebug(JNIEnv* env);
129extern int register_android_debug_JNITest(JNIEnv* env);
130extern int register_android_nio_utils(JNIEnv* env);
131extern int register_android_text_format_Time(JNIEnv* env);
132extern int register_android_os_Debug(JNIEnv* env);
133extern int register_android_os_MessageQueue(JNIEnv* env);
134extern int register_android_os_Parcel(JNIEnv* env);
135extern int register_android_os_ParcelFileDescriptor(JNIEnv *env);
136extern int register_android_os_SELinux(JNIEnv* env);
137extern int register_android_os_SystemProperties(JNIEnv *env);
138extern int register_android_os_SystemClock(JNIEnv* env);
139extern int register_android_os_Trace(JNIEnv* env);
140extern int register_android_os_FileObserver(JNIEnv *env);
141extern int register_android_os_FileUtils(JNIEnv *env);
142extern int register_android_os_UEventObserver(JNIEnv* env);
143extern int register_android_os_MemoryFile(JNIEnv* env);
144extern int register_android_net_LocalSocketImpl(JNIEnv* env);
145extern int register_android_net_NetworkUtils(JNIEnv* env);
146extern int register_android_net_TrafficStats(JNIEnv* env);
147extern int register_android_net_wifi_WifiManager(JNIEnv* env);
148extern int register_android_text_AndroidCharacter(JNIEnv *env);
149extern int register_android_text_AndroidBidi(JNIEnv *env);
150extern int register_android_opengl_classes(JNIEnv *env);
151extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
152extern int register_android_server_Watchdog(JNIEnv* env);
153extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
154extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
155extern int register_android_backup_BackupDataInput(JNIEnv *env);
156extern int register_android_backup_BackupDataOutput(JNIEnv *env);
157extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
158extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
159extern int register_android_app_backup_FullBackup(JNIEnv *env);
160extern int register_android_app_ActivityThread(JNIEnv *env);
161extern int register_android_app_NativeActivity(JNIEnv *env);
162extern int register_android_media_RemoteDisplay(JNIEnv *env);
163extern int register_android_view_InputChannel(JNIEnv* env);
164extern int register_android_view_InputDevice(JNIEnv* env);
165extern int register_android_view_InputEventReceiver(JNIEnv* env);
166extern int register_android_view_InputEventSender(JNIEnv* env);
167extern int register_android_view_InputQueue(JNIEnv* env);
168extern int register_android_view_KeyCharacterMap(JNIEnv *env);
169extern int register_android_view_KeyEvent(JNIEnv* env);
170extern int register_android_view_MotionEvent(JNIEnv* env);
171extern int register_android_view_PointerIcon(JNIEnv* env);
172extern int register_android_view_VelocityTracker(JNIEnv* env);
173extern int register_android_content_res_ObbScanner(JNIEnv* env);
174extern int register_android_content_res_Configuration(JNIEnv* env);
175extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
176extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
177extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
178
179static AndroidRuntime* gCurRuntime = NULL;
180
181static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
182{
183    if (jniThrowException(env, exc, msg) != 0)
184        assert(false);
185}
186
187/*
188 * Code written in the Java Programming Language calls here from main().
189 */
190static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
191{
192    gCurRuntime->onStarted();
193}
194
195static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
196{
197    gCurRuntime->onZygoteInit();
198}
199
200static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
201        jobject clazz, jboolean exitWithoutCleanup)
202{
203    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
204}
205
206/*
207 * JNI registration.
208 */
209static JNINativeMethod gMethods[] = {
210    { "nativeFinishInit", "()V",
211        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
212    { "nativeZygoteInit", "()V",
213        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
214    { "nativeSetExitWithoutCleanup", "(Z)V",
215        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
216};
217
218int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
219{
220    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
221        gMethods, NELEM(gMethods));
222}
223
224// ----------------------------------------------------------------------
225
226/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
227
228
229AndroidRuntime::AndroidRuntime() :
230        mExitWithoutCleanup(false)
231{
232    SkGraphics::Init();
233    // this sets our preference for 16bit images during decode
234    // in case the src is opaque and 24bit
235    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
236    // This cache is shared between browser native images, and java "purgeable"
237    // bitmaps. This globalpool is for images that do not either use the java
238    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
239    // java call site.
240    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
241    // There is also a global font cache, but its budget is specified in code
242    // see SkFontHost_android.cpp
243
244    // Pre-allocate enough space to hold a fair number of options.
245    mOptions.setCapacity(20);
246
247    assert(gCurRuntime == NULL);        // one per process
248    gCurRuntime = this;
249}
250
251AndroidRuntime::~AndroidRuntime()
252{
253    SkGraphics::Term();
254}
255
256/*
257 * Register native methods using JNI.
258 */
259/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
260    const char* className, const JNINativeMethod* gMethods, int numMethods)
261{
262    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
263}
264
265status_t AndroidRuntime::callMain(const char* className,
266    jclass clazz, int argc, const char* const argv[])
267{
268    JNIEnv* env;
269    jmethodID methodId;
270
271    ALOGD("Calling main entry %s", className);
272
273    env = getJNIEnv();
274    if (clazz == NULL || env == NULL) {
275        return UNKNOWN_ERROR;
276    }
277
278    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
279    if (methodId == NULL) {
280        ALOGE("ERROR: could not find method %s.main(String[])\n", className);
281        return UNKNOWN_ERROR;
282    }
283
284    /*
285     * We want to call main() with a String array with our arguments in it.
286     * Create an array and populate it.
287     */
288    jclass stringClass;
289    jobjectArray strArray;
290
291    stringClass = env->FindClass("java/lang/String");
292    strArray = env->NewObjectArray(argc, stringClass, NULL);
293
294    for (int i = 0; i < argc; i++) {
295        jstring argStr = env->NewStringUTF(argv[i]);
296        env->SetObjectArrayElement(strArray, i, argStr);
297    }
298
299    env->CallStaticVoidMethod(clazz, methodId, strArray);
300    return NO_ERROR;
301}
302
303/*
304 * The VM calls this through the "exit" hook.
305 */
306static void runtime_exit(int code)
307{
308    gCurRuntime->exit(code);
309}
310
311/*
312 * The VM calls this through the "vfprintf" hook.
313 *
314 * We ignore "fp" and just write the results to the log file.
315 */
316static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
317{
318    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
319}
320
321/**
322 * The VM calls this when mutex contention debugging is enabled to
323 * determine whether or not the blocked thread was a "sensitive thread"
324 * for user responsiveness/smoothess.
325 *
326 * Our policy for this is whether or not we're tracing any StrictMode
327 * events on this thread (which we might've inherited via Binder calls
328 * into us)
329 */
330static bool runtime_isSensitiveThread() {
331    IPCThreadState* state = IPCThreadState::selfOrNull();
332    return state && state->getStrictModePolicy() != 0;
333}
334
335
336/**
337 * Add VM arguments to the to-be-executed VM
338 * Stops at first non '-' argument (also stops at an argument of '--')
339 * Returns the number of args consumed
340 */
341int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
342{
343    int i;
344
345    for (i = 0; i<argc; i++) {
346        if (argv[i][0] != '-') {
347            return i;
348        }
349        if (argv[i][1] == '-' && argv[i][2] == 0) {
350            return i+1;
351        }
352
353        JavaVMOption opt;
354        memset(&opt, 0, sizeof(opt));
355        opt.optionString = (char*)argv[i];
356        mOptions.add(opt);
357    }
358    return i;
359}
360
361static int hasDir(const char* dir)
362{
363    struct stat s;
364    int res = stat(dir, &s);
365    if (res == 0) {
366        return S_ISDIR(s.st_mode);
367    }
368    return 0;
369}
370
371/*
372 * We just want failed write() calls to just return with an error.
373 */
374static void blockSigpipe()
375{
376    sigset_t mask;
377
378    sigemptyset(&mask);
379    sigaddset(&mask, SIGPIPE);
380    if (sigprocmask(SIG_BLOCK, &mask, NULL) != 0)
381        ALOGW("WARNING: SIGPIPE not blocked\n");
382}
383
384/*
385 * Read the persistent locale.
386 */
387static void readLocale(char* language, char* region)
388{
389    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
390
391    property_get("persist.sys.language", propLang, "");
392    property_get("persist.sys.country", propRegn, "");
393    if (*propLang == 0 && *propRegn == 0) {
394        /* Set to ro properties, default is en_US */
395        property_get("ro.product.locale.language", propLang, "en");
396        property_get("ro.product.locale.region", propRegn, "US");
397    }
398    strncat(language, propLang, 2);
399    strncat(region, propRegn, 2);
400    //ALOGD("language=%s region=%s\n", language, region);
401}
402
403/*
404 * Parse a property containing space-separated options that should be
405 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
406 *
407 * This will cut up "extraOptsBuf" as we chop it into individual options.
408 *
409 * Adds the strings, if any, to mOptions.
410 */
411void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
412{
413    JavaVMOption opt;
414    char* start;
415    char* end;
416
417    memset(&opt, 0, sizeof(opt));
418    start = extraOptsBuf;
419    while (*start != '\0') {
420        while (*start == ' ')                   /* skip leading whitespace */
421            start++;
422        if (*start == '\0')                     /* was trailing ws, bail */
423            break;
424
425        end = start+1;
426        while (*end != ' ' && *end != '\0')     /* find end of token */
427            end++;
428        if (*end == ' ')
429            *end++ = '\0';          /* mark end, advance to indicate more */
430
431        opt.optionString = start;
432        mOptions.add(opt);
433        start = end;
434    }
435}
436
437/*
438 * Start the Dalvik Virtual Machine.
439 *
440 * Various arguments, most determined by system properties, are passed in.
441 * The "mOptions" vector is updated.
442 *
443 * Returns 0 on success.
444 */
445int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
446{
447    int result = -1;
448    JavaVMInitArgs initArgs;
449    JavaVMOption opt;
450    char propBuf[PROPERTY_VALUE_MAX];
451    char stackTraceFileBuf[PROPERTY_VALUE_MAX];
452    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
453    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
454    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
455    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
456    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
457    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
458    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
459    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
460    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
461    char extraOptsBuf[PROPERTY_VALUE_MAX];
462    char* stackTraceFile = NULL;
463    bool checkJni = false;
464    bool checkDexSum = false;
465    bool logStdio = false;
466    enum {
467      kEMDefault,
468      kEMIntPortable,
469      kEMIntFast,
470      kEMJitCompiler,
471    } executionMode = kEMDefault;
472
473
474    property_get("dalvik.vm.checkjni", propBuf, "");
475    if (strcmp(propBuf, "true") == 0) {
476        checkJni = true;
477    } else if (strcmp(propBuf, "false") != 0) {
478        /* property is neither true nor false; fall back on kernel parameter */
479        property_get("ro.kernel.android.checkjni", propBuf, "");
480        if (propBuf[0] == '1') {
481            checkJni = true;
482        }
483    }
484
485    property_get("dalvik.vm.execution-mode", propBuf, "");
486    if (strcmp(propBuf, "int:portable") == 0) {
487        executionMode = kEMIntPortable;
488    } else if (strcmp(propBuf, "int:fast") == 0) {
489        executionMode = kEMIntFast;
490    } else if (strcmp(propBuf, "int:jit") == 0) {
491        executionMode = kEMJitCompiler;
492    }
493
494    property_get("dalvik.vm.stack-trace-file", stackTraceFileBuf, "");
495
496    property_get("dalvik.vm.check-dex-sum", propBuf, "");
497    if (strcmp(propBuf, "true") == 0) {
498        checkDexSum = true;
499    }
500
501    property_get("log.redirect-stdio", propBuf, "");
502    if (strcmp(propBuf, "true") == 0) {
503        logStdio = true;
504    }
505
506    strcpy(enableAssertBuf, "-ea:");
507    property_get("dalvik.vm.enableassertions", enableAssertBuf+4, "");
508
509    strcpy(jniOptsBuf, "-Xjniopts:");
510    property_get("dalvik.vm.jniopts", jniOptsBuf+10, "");
511
512    /* route exit() to our handler */
513    opt.extraInfo = (void*) runtime_exit;
514    opt.optionString = "exit";
515    mOptions.add(opt);
516
517    /* route fprintf() to our handler */
518    opt.extraInfo = (void*) runtime_vfprintf;
519    opt.optionString = "vfprintf";
520    mOptions.add(opt);
521
522    /* register the framework-specific "is sensitive thread" hook */
523    opt.extraInfo = (void*) runtime_isSensitiveThread;
524    opt.optionString = "sensitiveThread";
525    mOptions.add(opt);
526
527    opt.extraInfo = NULL;
528
529    /* enable verbose; standard options are { jni, gc, class } */
530    //options[curOpt++].optionString = "-verbose:jni";
531    opt.optionString = "-verbose:gc";
532    mOptions.add(opt);
533    //options[curOpt++].optionString = "-verbose:class";
534
535    /*
536     * The default starting and maximum size of the heap.  Larger
537     * values should be specified in a product property override.
538     */
539    strcpy(heapstartsizeOptsBuf, "-Xms");
540    property_get("dalvik.vm.heapstartsize", heapstartsizeOptsBuf+4, "4m");
541    opt.optionString = heapstartsizeOptsBuf;
542    mOptions.add(opt);
543    strcpy(heapsizeOptsBuf, "-Xmx");
544    property_get("dalvik.vm.heapsize", heapsizeOptsBuf+4, "16m");
545    opt.optionString = heapsizeOptsBuf;
546    mOptions.add(opt);
547
548    // Increase the main thread's interpreter stack size for bug 6315322.
549    opt.optionString = "-XX:mainThreadStackSize=24K";
550    mOptions.add(opt);
551
552    strcpy(heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
553    property_get("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf+20, "");
554    if (heapgrowthlimitOptsBuf[20] != '\0') {
555        opt.optionString = heapgrowthlimitOptsBuf;
556        mOptions.add(opt);
557    }
558
559    strcpy(heapminfreeOptsBuf, "-XX:HeapMinFree=");
560    property_get("dalvik.vm.heapminfree", heapminfreeOptsBuf+16, "");
561    if (heapminfreeOptsBuf[16] != '\0') {
562        opt.optionString = heapminfreeOptsBuf;
563        mOptions.add(opt);
564    }
565
566    strcpy(heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
567    property_get("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf+16, "");
568    if (heapmaxfreeOptsBuf[16] != '\0') {
569        opt.optionString = heapmaxfreeOptsBuf;
570        mOptions.add(opt);
571    }
572
573    strcpy(heaptargetutilizationOptsBuf, "-XX:HeapTargetUtilization=");
574    property_get("dalvik.vm.heaptargetutilization", heaptargetutilizationOptsBuf+26, "");
575    if (heaptargetutilizationOptsBuf[26] != '\0') {
576        opt.optionString = heaptargetutilizationOptsBuf;
577        mOptions.add(opt);
578    }
579
580    /*
581     * Enable or disable dexopt features, such as bytecode verification and
582     * calculation of register maps for precise GC.
583     */
584    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
585    if (dexoptFlagsBuf[0] != '\0') {
586        const char* opc;
587        const char* val;
588
589        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
590        if (opc != NULL) {
591            switch (*(opc+2)) {
592            case 'n':   val = "-Xverify:none";      break;
593            case 'r':   val = "-Xverify:remote";    break;
594            case 'a':   val = "-Xverify:all";       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, "o=");     /* optimization */
605        if (opc != NULL) {
606            switch (*(opc+2)) {
607            case 'n':   val = "-Xdexopt:none";      break;
608            case 'v':   val = "-Xdexopt:verified";  break;
609            case 'a':   val = "-Xdexopt:all";       break;
610            case 'f':   val = "-Xdexopt:full";      break;
611            default:    val = NULL;                 break;
612            }
613
614            if (val != NULL) {
615                opt.optionString = val;
616                mOptions.add(opt);
617            }
618        }
619
620        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
621        if (opc != NULL) {
622            opt.optionString = "-Xgenregmap";
623            mOptions.add(opt);
624
625            /* turn on precise GC while we're at it */
626            opt.optionString = "-Xgc:precise";
627            mOptions.add(opt);
628        }
629    }
630
631    /* enable debugging; set suspend=y to pause during VM init */
632    /* use android ADB transport */
633    opt.optionString =
634        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
635    mOptions.add(opt);
636
637    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
638    if (checkJni) {
639        /* extended JNI checking */
640        opt.optionString = "-Xcheck:jni";
641        mOptions.add(opt);
642
643        /* set a cap on JNI global references */
644        opt.optionString = "-Xjnigreflimit:2000";
645        mOptions.add(opt);
646
647        /* with -Xcheck:jni, this provides a JNI function call trace */
648        //opt.optionString = "-verbose:jni";
649        //mOptions.add(opt);
650    }
651
652    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
653    property_get("dalvik.vm.lockprof.threshold", propBuf, "");
654    if (strlen(propBuf) > 0) {
655      strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:");
656      strcat(lockProfThresholdBuf, propBuf);
657      opt.optionString = lockProfThresholdBuf;
658      mOptions.add(opt);
659    }
660
661    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
662    char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
663    property_get("dalvik.vm.jit.op", propBuf, "");
664    if (strlen(propBuf) > 0) {
665        strcpy(jitOpBuf, "-Xjitop:");
666        strcat(jitOpBuf, propBuf);
667        opt.optionString = jitOpBuf;
668        mOptions.add(opt);
669    }
670
671    /* Force interpreter-only mode for selected methods */
672    char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
673    property_get("dalvik.vm.jit.method", propBuf, "");
674    if (strlen(propBuf) > 0) {
675        strcpy(jitMethodBuf, "-Xjitmethod:");
676        strcat(jitMethodBuf, propBuf);
677        opt.optionString = jitMethodBuf;
678        mOptions.add(opt);
679    }
680
681    if (executionMode == kEMIntPortable) {
682        opt.optionString = "-Xint:portable";
683        mOptions.add(opt);
684    } else if (executionMode == kEMIntFast) {
685        opt.optionString = "-Xint:fast";
686        mOptions.add(opt);
687    } else if (executionMode == kEMJitCompiler) {
688        opt.optionString = "-Xint:jit";
689        mOptions.add(opt);
690    }
691
692    if (checkDexSum) {
693        /* perform additional DEX checksum tests */
694        opt.optionString = "-Xcheckdexsum";
695        mOptions.add(opt);
696    }
697
698    if (logStdio) {
699        /* convert stdout/stderr to log messages */
700        opt.optionString = "-Xlog-stdio";
701        mOptions.add(opt);
702    }
703
704    if (enableAssertBuf[4] != '\0') {
705        /* accept "all" to mean "all classes and packages" */
706        if (strcmp(enableAssertBuf+4, "all") == 0)
707            enableAssertBuf[3] = '\0';
708        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
709        opt.optionString = enableAssertBuf;
710        mOptions.add(opt);
711    } else {
712        ALOGV("Assertions disabled\n");
713    }
714
715    if (jniOptsBuf[10] != '\0') {
716        ALOGI("JNI options: '%s'\n", jniOptsBuf);
717        opt.optionString = jniOptsBuf;
718        mOptions.add(opt);
719    }
720
721    if (stackTraceFileBuf[0] != '\0') {
722        static const char* stfOptName = "-Xstacktracefile:";
723
724        stackTraceFile = (char*) malloc(strlen(stfOptName) +
725            strlen(stackTraceFileBuf) +1);
726        strcpy(stackTraceFile, stfOptName);
727        strcat(stackTraceFile, stackTraceFileBuf);
728        opt.optionString = stackTraceFile;
729        mOptions.add(opt);
730    }
731
732    /* extra options; parse this late so it overrides others */
733    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
734    parseExtraOpts(extraOptsBuf);
735
736    /* Set the properties for locale */
737    {
738        char langOption[sizeof("-Duser.language=") + 3];
739        char regionOption[sizeof("-Duser.region=") + 3];
740        strcpy(langOption, "-Duser.language=");
741        strcpy(regionOption, "-Duser.region=");
742        readLocale(langOption, regionOption);
743        opt.extraInfo = NULL;
744        opt.optionString = langOption;
745        mOptions.add(opt);
746        opt.optionString = regionOption;
747        mOptions.add(opt);
748    }
749
750    /*
751     * We don't have /tmp on the device, but we often have an SD card.  Apps
752     * shouldn't use this, but some test suites might want to exercise it.
753     */
754    opt.optionString = "-Djava.io.tmpdir=/sdcard";
755    mOptions.add(opt);
756
757    initArgs.version = JNI_VERSION_1_4;
758    initArgs.options = mOptions.editArray();
759    initArgs.nOptions = mOptions.size();
760    initArgs.ignoreUnrecognized = JNI_FALSE;
761
762    /*
763     * Initialize the VM.
764     *
765     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
766     * If this call succeeds, the VM is ready, and we can start issuing
767     * JNI calls.
768     */
769    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
770        ALOGE("JNI_CreateJavaVM failed\n");
771        goto bail;
772    }
773
774    result = 0;
775
776bail:
777    free(stackTraceFile);
778    return result;
779}
780
781char* AndroidRuntime::toSlashClassName(const char* className)
782{
783    char* result = strdup(className);
784    for (char* cp = result; *cp != '\0'; cp++) {
785        if (*cp == '.') {
786            *cp = '/';
787        }
788    }
789    return result;
790}
791
792/*
793 * Start the Android runtime.  This involves starting the virtual machine
794 * and calling the "static void main(String[] args)" method in the class
795 * named by "className".
796 *
797 * Passes the main function two arguments, the class name and the specified
798 * options string.
799 */
800void AndroidRuntime::start(const char* className, const char* options)
801{
802    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
803            className != NULL ? className : "(unknown)");
804
805    blockSigpipe();
806
807    /*
808     * 'startSystemServer == true' means runtime is obsolete and not run from
809     * init.rc anymore, so we print out the boot start event here.
810     */
811    if (strcmp(options, "start-system-server") == 0) {
812        /* track our progress through the boot sequence */
813        const int LOG_BOOT_PROGRESS_START = 3000;
814        LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
815                       ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
816    }
817
818    const char* rootDir = getenv("ANDROID_ROOT");
819    if (rootDir == NULL) {
820        rootDir = "/system";
821        if (!hasDir("/system")) {
822            LOG_FATAL("No root directory specified, and /android does not exist.");
823            return;
824        }
825        setenv("ANDROID_ROOT", rootDir, 1);
826    }
827
828    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
829    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
830
831    /* start the virtual machine */
832    JNIEnv* env;
833    if (startVm(&mJavaVM, &env) != 0) {
834        return;
835    }
836    onVmCreated(env);
837
838    /*
839     * Register android functions.
840     */
841    if (startReg(env) < 0) {
842        ALOGE("Unable to register all android natives\n");
843        return;
844    }
845
846    /*
847     * We want to call main() with a String array with arguments in it.
848     * At present we have two arguments, the class name and an option string.
849     * Create an array to hold them.
850     */
851    jclass stringClass;
852    jobjectArray strArray;
853    jstring classNameStr;
854    jstring optionsStr;
855
856    stringClass = env->FindClass("java/lang/String");
857    assert(stringClass != NULL);
858    strArray = env->NewObjectArray(2, stringClass, NULL);
859    assert(strArray != NULL);
860    classNameStr = env->NewStringUTF(className);
861    assert(classNameStr != NULL);
862    env->SetObjectArrayElement(strArray, 0, classNameStr);
863    optionsStr = env->NewStringUTF(options);
864    env->SetObjectArrayElement(strArray, 1, optionsStr);
865
866    /*
867     * Start VM.  This thread becomes the main thread of the VM, and will
868     * not return until the VM exits.
869     */
870    char* slashClassName = toSlashClassName(className);
871    jclass startClass = env->FindClass(slashClassName);
872    if (startClass == NULL) {
873        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
874        /* keep going */
875    } else {
876        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
877            "([Ljava/lang/String;)V");
878        if (startMeth == NULL) {
879            ALOGE("JavaVM unable to find main() in '%s'\n", className);
880            /* keep going */
881        } else {
882            env->CallStaticVoidMethod(startClass, startMeth, strArray);
883
884#if 0
885            if (env->ExceptionCheck())
886                threadExitUncaughtException(env);
887#endif
888        }
889    }
890    free(slashClassName);
891
892    ALOGD("Shutting down VM\n");
893    if (mJavaVM->DetachCurrentThread() != JNI_OK)
894        ALOGW("Warning: unable to detach main thread\n");
895    if (mJavaVM->DestroyJavaVM() != 0)
896        ALOGW("Warning: VM did not shut down cleanly\n");
897}
898
899void AndroidRuntime::exit(int code)
900{
901    if (mExitWithoutCleanup) {
902        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
903        ::_exit(code);
904    } else {
905        ALOGI("VM exiting with result code %d.", code);
906        onExit(code);
907        ::exit(code);
908    }
909}
910
911void AndroidRuntime::onVmCreated(JNIEnv* env)
912{
913    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
914}
915
916/*
917 * Get the JNIEnv pointer for this thread.
918 *
919 * Returns NULL if the slot wasn't allocated or populated.
920 */
921/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
922{
923    JNIEnv* env;
924    JavaVM* vm = AndroidRuntime::getJavaVM();
925    assert(vm != NULL);
926
927    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
928        return NULL;
929    return env;
930}
931
932/*
933 * Makes the current thread visible to the VM.
934 *
935 * The JNIEnv pointer returned is only valid for the current thread, and
936 * thus must be tucked into thread-local storage.
937 */
938static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
939{
940    JavaVMAttachArgs args;
941    JavaVM* vm;
942    jint result;
943
944    vm = AndroidRuntime::getJavaVM();
945    assert(vm != NULL);
946
947    args.version = JNI_VERSION_1_4;
948    args.name = (char*) threadName;
949    args.group = NULL;
950
951    result = vm->AttachCurrentThread(pEnv, (void*) &args);
952    if (result != JNI_OK)
953        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
954
955    return result;
956}
957
958/*
959 * Detach the current thread from the set visible to the VM.
960 */
961static int javaDetachThread(void)
962{
963    JavaVM* vm;
964    jint result;
965
966    vm = AndroidRuntime::getJavaVM();
967    assert(vm != NULL);
968
969    result = vm->DetachCurrentThread();
970    if (result != JNI_OK)
971        ALOGE("ERROR: thread detach failed\n");
972    return result;
973}
974
975/*
976 * When starting a native thread that will be visible from the VM, we
977 * bounce through this to get the right attach/detach action.
978 * Note that this function calls free(args)
979 */
980/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
981    void* start = ((void**)args)[0];
982    void* userData = ((void **)args)[1];
983    char* name = (char*) ((void **)args)[2];        // we own this storage
984    free(args);
985    JNIEnv* env;
986    int result;
987
988    /* hook us into the VM */
989    if (javaAttachThread(name, &env) != JNI_OK)
990        return -1;
991
992    /* start the thread running */
993    result = (*(android_thread_func_t)start)(userData);
994
995    /* unhook us */
996    javaDetachThread();
997    free(name);
998
999    return result;
1000}
1001
1002/*
1003 * This is invoked from androidCreateThreadEtc() via the callback
1004 * set with androidSetCreateThreadFunc().
1005 *
1006 * We need to create the new thread in such a way that it gets hooked
1007 * into the VM before it really starts executing.
1008 */
1009/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1010                                android_thread_func_t entryFunction,
1011                                void* userData,
1012                                const char* threadName,
1013                                int32_t threadPriority,
1014                                size_t threadStackSize,
1015                                android_thread_id_t* threadId)
1016{
1017    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1018    int result;
1019
1020    assert(threadName != NULL);
1021
1022    args[0] = (void*) entryFunction;
1023    args[1] = userData;
1024    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1025
1026    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1027        threadName, threadPriority, threadStackSize, threadId);
1028    return result;
1029}
1030
1031/*
1032 * Create a thread that is visible from the VM.
1033 *
1034 * This is called from elsewhere in the library.
1035 */
1036/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1037    void (*start)(void *), void* arg)
1038{
1039    android_thread_id_t threadId = 0;
1040    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1041        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1042    return threadId;
1043}
1044
1045#if 0
1046static void quickTest(void* arg)
1047{
1048    const char* str = (const char*) arg;
1049
1050    printf("In quickTest: %s\n", str);
1051}
1052#endif
1053
1054#ifdef NDEBUG
1055    #define REG_JNI(name)      { name }
1056    struct RegJNIRec {
1057        int (*mProc)(JNIEnv*);
1058    };
1059#else
1060    #define REG_JNI(name)      { name, #name }
1061    struct RegJNIRec {
1062        int (*mProc)(JNIEnv*);
1063        const char* mName;
1064    };
1065#endif
1066
1067typedef void (*RegJAMProc)();
1068
1069static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1070{
1071    for (size_t i = 0; i < count; i++) {
1072        if (array[i].mProc(env) < 0) {
1073#ifndef NDEBUG
1074            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1075#endif
1076            return -1;
1077        }
1078    }
1079    return 0;
1080}
1081
1082static void register_jam_procs(const RegJAMProc array[], size_t count)
1083{
1084    for (size_t i = 0; i < count; i++) {
1085        array[i]();
1086    }
1087}
1088
1089static const RegJNIRec gRegJNI[] = {
1090    REG_JNI(register_android_debug_JNITest),
1091    REG_JNI(register_com_android_internal_os_RuntimeInit),
1092    REG_JNI(register_android_os_SystemClock),
1093    REG_JNI(register_android_util_EventLog),
1094    REG_JNI(register_android_util_Log),
1095    REG_JNI(register_android_util_FloatMath),
1096    REG_JNI(register_android_text_format_Time),
1097    REG_JNI(register_android_content_AssetManager),
1098    REG_JNI(register_android_content_StringBlock),
1099    REG_JNI(register_android_content_XmlBlock),
1100    REG_JNI(register_android_emoji_EmojiFactory),
1101    REG_JNI(register_android_text_AndroidCharacter),
1102    REG_JNI(register_android_text_AndroidBidi),
1103    REG_JNI(register_android_view_InputDevice),
1104    REG_JNI(register_android_view_KeyCharacterMap),
1105    REG_JNI(register_android_os_Process),
1106    REG_JNI(register_android_os_SystemProperties),
1107    REG_JNI(register_android_os_Binder),
1108    REG_JNI(register_android_os_Parcel),
1109    REG_JNI(register_android_view_DisplayEventReceiver),
1110    REG_JNI(register_android_nio_utils),
1111    REG_JNI(register_android_graphics_PixelFormat),
1112    REG_JNI(register_android_graphics_Graphics),
1113    REG_JNI(register_android_view_GLES20DisplayList),
1114    REG_JNI(register_android_view_GLES20Canvas),
1115    REG_JNI(register_android_view_HardwareRenderer),
1116    REG_JNI(register_android_view_Surface),
1117    REG_JNI(register_android_view_SurfaceControl),
1118    REG_JNI(register_android_view_SurfaceSession),
1119    REG_JNI(register_android_view_TextureView),
1120    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1121    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1122    REG_JNI(register_android_opengl_jni_EGL14),
1123    REG_JNI(register_android_opengl_jni_GLES10),
1124    REG_JNI(register_android_opengl_jni_GLES10Ext),
1125    REG_JNI(register_android_opengl_jni_GLES11),
1126    REG_JNI(register_android_opengl_jni_GLES11Ext),
1127    REG_JNI(register_android_opengl_jni_GLES20),
1128
1129    REG_JNI(register_android_graphics_Bitmap),
1130    REG_JNI(register_android_graphics_BitmapFactory),
1131    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1132    REG_JNI(register_android_graphics_Camera),
1133    REG_JNI(register_android_graphics_Canvas),
1134    REG_JNI(register_android_graphics_ColorFilter),
1135    REG_JNI(register_android_graphics_DrawFilter),
1136    REG_JNI(register_android_graphics_Interpolator),
1137    REG_JNI(register_android_graphics_LayerRasterizer),
1138    REG_JNI(register_android_graphics_MaskFilter),
1139    REG_JNI(register_android_graphics_Matrix),
1140    REG_JNI(register_android_graphics_Movie),
1141    REG_JNI(register_android_graphics_NinePatch),
1142    REG_JNI(register_android_graphics_Paint),
1143    REG_JNI(register_android_graphics_Path),
1144    REG_JNI(register_android_graphics_PathMeasure),
1145    REG_JNI(register_android_graphics_PathEffect),
1146    REG_JNI(register_android_graphics_Picture),
1147    REG_JNI(register_android_graphics_PorterDuff),
1148    REG_JNI(register_android_graphics_Rasterizer),
1149    REG_JNI(register_android_graphics_Region),
1150    REG_JNI(register_android_graphics_Shader),
1151    REG_JNI(register_android_graphics_SurfaceTexture),
1152    REG_JNI(register_android_graphics_Typeface),
1153    REG_JNI(register_android_graphics_Xfermode),
1154    REG_JNI(register_android_graphics_YuvImage),
1155
1156    REG_JNI(register_android_database_CursorWindow),
1157    REG_JNI(register_android_database_SQLiteConnection),
1158    REG_JNI(register_android_database_SQLiteGlobal),
1159    REG_JNI(register_android_database_SQLiteDebug),
1160    REG_JNI(register_android_os_Debug),
1161    REG_JNI(register_android_os_FileObserver),
1162    REG_JNI(register_android_os_FileUtils),
1163    REG_JNI(register_android_os_MessageQueue),
1164    REG_JNI(register_android_os_ParcelFileDescriptor),
1165    REG_JNI(register_android_os_SELinux),
1166    REG_JNI(register_android_os_Trace),
1167    REG_JNI(register_android_os_UEventObserver),
1168    REG_JNI(register_android_net_LocalSocketImpl),
1169    REG_JNI(register_android_net_NetworkUtils),
1170    REG_JNI(register_android_net_TrafficStats),
1171    REG_JNI(register_android_net_wifi_WifiManager),
1172    REG_JNI(register_android_os_MemoryFile),
1173    REG_JNI(register_com_android_internal_os_ZygoteInit),
1174    REG_JNI(register_android_hardware_Camera),
1175    REG_JNI(register_android_hardware_SensorManager),
1176    REG_JNI(register_android_hardware_SerialPort),
1177    REG_JNI(register_android_hardware_UsbDevice),
1178    REG_JNI(register_android_hardware_UsbDeviceConnection),
1179    REG_JNI(register_android_hardware_UsbRequest),
1180    REG_JNI(register_android_media_AudioRecord),
1181    REG_JNI(register_android_media_AudioSystem),
1182    REG_JNI(register_android_media_AudioTrack),
1183    REG_JNI(register_android_media_JetPlayer),
1184    REG_JNI(register_android_media_RemoteDisplay),
1185    REG_JNI(register_android_media_ToneGenerator),
1186
1187    REG_JNI(register_android_opengl_classes),
1188    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1189    REG_JNI(register_android_server_Watchdog),
1190    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1191    REG_JNI(register_android_backup_BackupDataInput),
1192    REG_JNI(register_android_backup_BackupDataOutput),
1193    REG_JNI(register_android_backup_FileBackupHelperBase),
1194    REG_JNI(register_android_backup_BackupHelperDispatcher),
1195    REG_JNI(register_android_app_backup_FullBackup),
1196    REG_JNI(register_android_app_ActivityThread),
1197    REG_JNI(register_android_app_NativeActivity),
1198    REG_JNI(register_android_view_InputChannel),
1199    REG_JNI(register_android_view_InputEventReceiver),
1200    REG_JNI(register_android_view_InputEventSender),
1201    REG_JNI(register_android_view_InputQueue),
1202    REG_JNI(register_android_view_KeyEvent),
1203    REG_JNI(register_android_view_MotionEvent),
1204    REG_JNI(register_android_view_PointerIcon),
1205    REG_JNI(register_android_view_VelocityTracker),
1206
1207    REG_JNI(register_android_content_res_ObbScanner),
1208    REG_JNI(register_android_content_res_Configuration),
1209
1210    REG_JNI(register_android_animation_PropertyValuesHolder),
1211    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1212    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1213};
1214
1215/*
1216 * Register android native functions with the VM.
1217 */
1218/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1219{
1220    /*
1221     * This hook causes all future threads created in this process to be
1222     * attached to the JavaVM.  (This needs to go away in favor of JNI
1223     * Attach calls.)
1224     */
1225    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1226
1227    ALOGV("--- registering native functions ---\n");
1228
1229    /*
1230     * Every "register" function calls one or more things that return
1231     * a local reference (e.g. FindClass).  Because we haven't really
1232     * started the VM yet, they're all getting stored in the base frame
1233     * and never released.  Use Push/Pop to manage the storage.
1234     */
1235    env->PushLocalFrame(200);
1236
1237    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1238        env->PopLocalFrame(NULL);
1239        return -1;
1240    }
1241    env->PopLocalFrame(NULL);
1242
1243    //createJavaThread("fubar", quickTest, (void*) "hello");
1244
1245    return 0;
1246}
1247
1248AndroidRuntime* AndroidRuntime::getRuntime()
1249{
1250    return gCurRuntime;
1251}
1252
1253/**
1254 * Used by WithFramework to register native functions.
1255 */
1256extern "C"
1257jint Java_com_android_internal_util_WithFramework_registerNatives(
1258        JNIEnv* env, jclass clazz) {
1259    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1260}
1261
1262/**
1263 * Used by LoadClass to register native functions.
1264 */
1265extern "C"
1266jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1267    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1268}
1269
1270}   // namespace android
1271