AndroidRuntime.cpp revision 3fbfbb4adeec1dda1e149758ea302c386101f267 
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/threads.h>
28#include <cutils/properties.h>
29
30#include <SkGraphics.h>
31#include <SkImageDecoder.h>
32
33#include "jni.h"
34#include "JNIHelp.h"
35#include "JniInvocation.h"
36#include "android_util_Binder.h"
37
38#include <stdio.h>
39#include <signal.h>
40#include <sys/stat.h>
41#include <sys/types.h>
42#include <signal.h>
43#include <dirent.h>
44#include <assert.h>
45
46
47using namespace android;
48
49extern int register_android_os_Binder(JNIEnv* env);
50extern int register_android_os_Process(JNIEnv* env);
51extern int register_android_graphics_Bitmap(JNIEnv*);
52extern int register_android_graphics_BitmapFactory(JNIEnv*);
53extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
54extern int register_android_graphics_Camera(JNIEnv* env);
55extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
56extern int register_android_graphics_Graphics(JNIEnv* env);
57extern int register_android_graphics_Interpolator(JNIEnv* env);
58extern int register_android_graphics_MaskFilter(JNIEnv* env);
59extern int register_android_graphics_Movie(JNIEnv* env);
60extern int register_android_graphics_NinePatch(JNIEnv*);
61extern int register_android_graphics_PathEffect(JNIEnv* env);
62extern int register_android_graphics_Shader(JNIEnv* env);
63extern int register_android_graphics_Typeface(JNIEnv* env);
64extern int register_android_graphics_YuvImage(JNIEnv* env);
65
66extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
67extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
68extern int register_android_opengl_jni_EGL14(JNIEnv* env);
69extern int register_android_opengl_jni_EGLExt(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);
75extern int register_android_opengl_jni_GLES30(JNIEnv* env);
76extern int register_android_opengl_jni_GLES31(JNIEnv* env);
77extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env);
78
79extern int register_android_hardware_Camera(JNIEnv *env);
80extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
81extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env);
82extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env);
83extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
84extern int register_android_hardware_SensorManager(JNIEnv *env);
85extern int register_android_hardware_SerialPort(JNIEnv *env);
86extern int register_android_hardware_SoundTrigger(JNIEnv *env);
87extern int register_android_hardware_UsbDevice(JNIEnv *env);
88extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
89extern int register_android_hardware_UsbRequest(JNIEnv *env);
90extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env);
91
92extern int register_android_media_AudioRecord(JNIEnv *env);
93extern int register_android_media_AudioSystem(JNIEnv *env);
94extern int register_android_media_AudioTrack(JNIEnv *env);
95extern int register_android_media_JetPlayer(JNIEnv *env);
96extern int register_android_media_ToneGenerator(JNIEnv *env);
97
98extern int register_android_util_FloatMath(JNIEnv* env);
99
100namespace android {
101
102/*
103 * JNI-based registration functions.  Note these are properly contained in
104 * namespace android.
105 */
106extern int register_android_content_AssetManager(JNIEnv* env);
107extern int register_android_util_EventLog(JNIEnv* env);
108extern int register_android_util_Log(JNIEnv* env);
109extern int register_android_content_StringBlock(JNIEnv* env);
110extern int register_android_content_XmlBlock(JNIEnv* env);
111extern int register_android_emoji_EmojiFactory(JNIEnv* env);
112extern int register_android_graphics_Canvas(JNIEnv* env);
113extern int register_android_graphics_CanvasProperty(JNIEnv* env);
114extern int register_android_graphics_ColorFilter(JNIEnv* env);
115extern int register_android_graphics_DrawFilter(JNIEnv* env);
116extern int register_android_graphics_FontFamily(JNIEnv* env);
117extern int register_android_graphics_LayerRasterizer(JNIEnv*);
118extern int register_android_graphics_Matrix(JNIEnv* env);
119extern int register_android_graphics_Paint(JNIEnv* env);
120extern int register_android_graphics_Path(JNIEnv* env);
121extern int register_android_graphics_PathMeasure(JNIEnv* env);
122extern int register_android_graphics_Picture(JNIEnv*);
123extern int register_android_graphics_PorterDuff(JNIEnv* env);
124extern int register_android_graphics_Rasterizer(JNIEnv* env);
125extern int register_android_graphics_Region(JNIEnv* env);
126extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
127extern int register_android_graphics_Xfermode(JNIEnv* env);
128extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
129extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
130extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
131extern int register_android_view_RenderNode(JNIEnv* env);
132extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
133extern int register_android_view_GraphicBuffer(JNIEnv* env);
134extern int register_android_view_GLES20Canvas(JNIEnv* env);
135extern int register_android_view_HardwareLayer(JNIEnv* env);
136extern int register_android_view_ThreadedRenderer(JNIEnv* env);
137extern int register_android_view_Surface(JNIEnv* env);
138extern int register_android_view_SurfaceControl(JNIEnv* env);
139extern int register_android_view_SurfaceSession(JNIEnv* env);
140extern int register_android_view_TextureView(JNIEnv* env);
141extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
142extern int register_android_database_CursorWindow(JNIEnv* env);
143extern int register_android_database_SQLiteConnection(JNIEnv* env);
144extern int register_android_database_SQLiteGlobal(JNIEnv* env);
145extern int register_android_database_SQLiteDebug(JNIEnv* env);
146extern int register_android_nio_utils(JNIEnv* env);
147extern int register_android_os_Debug(JNIEnv* env);
148extern int register_android_os_MessageQueue(JNIEnv* env);
149extern int register_android_os_Parcel(JNIEnv* env);
150extern int register_android_os_SELinux(JNIEnv* env);
151extern int register_android_os_SystemProperties(JNIEnv *env);
152extern int register_android_os_SystemClock(JNIEnv* env);
153extern int register_android_os_Trace(JNIEnv* env);
154extern int register_android_os_FileObserver(JNIEnv *env);
155extern int register_android_os_UEventObserver(JNIEnv* env);
156extern int register_android_os_MemoryFile(JNIEnv* env);
157extern int register_android_net_LocalSocketImpl(JNIEnv* env);
158extern int register_android_net_NetworkUtils(JNIEnv* env);
159extern int register_android_net_TrafficStats(JNIEnv* env);
160extern int register_android_text_AndroidCharacter(JNIEnv *env);
161extern int register_android_text_StaticLayout(JNIEnv *env);
162extern int register_android_text_AndroidBidi(JNIEnv *env);
163extern int register_android_opengl_classes(JNIEnv *env);
164extern int register_android_server_fingerprint_FingerprintService(JNIEnv* env);
165extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
166extern int register_android_server_Watchdog(JNIEnv* env);
167extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
168extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
169extern int register_android_backup_BackupDataInput(JNIEnv *env);
170extern int register_android_backup_BackupDataOutput(JNIEnv *env);
171extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
172extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
173extern int register_android_app_backup_FullBackup(JNIEnv *env);
174extern int register_android_app_ActivityThread(JNIEnv *env);
175extern int register_android_app_NativeActivity(JNIEnv *env);
176extern int register_android_media_RemoteDisplay(JNIEnv *env);
177extern int register_android_view_InputChannel(JNIEnv* env);
178extern int register_android_view_InputDevice(JNIEnv* env);
179extern int register_android_view_InputEventReceiver(JNIEnv* env);
180extern int register_android_view_InputEventSender(JNIEnv* env);
181extern int register_android_view_InputQueue(JNIEnv* env);
182extern int register_android_view_KeyCharacterMap(JNIEnv *env);
183extern int register_android_view_KeyEvent(JNIEnv* env);
184extern int register_android_view_MotionEvent(JNIEnv* env);
185extern int register_android_view_PointerIcon(JNIEnv* env);
186extern int register_android_view_VelocityTracker(JNIEnv* env);
187extern int register_android_content_res_ObbScanner(JNIEnv* env);
188extern int register_android_content_res_Configuration(JNIEnv* env);
189extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
190extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
191extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
192extern int register_com_android_internal_os_Zygote(JNIEnv *env);
193extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
194
195static AndroidRuntime* gCurRuntime = NULL;
196
197static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
198{
199    if (jniThrowException(env, exc, msg) != 0)
200        assert(false);
201}
202
203/*
204 * Code written in the Java Programming Language calls here from main().
205 */
206static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
207{
208    gCurRuntime->onStarted();
209}
210
211static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
212{
213    gCurRuntime->onZygoteInit();
214}
215
216static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
217        jobject clazz, jboolean exitWithoutCleanup)
218{
219    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
220}
221
222/*
223 * JNI registration.
224 */
225static JNINativeMethod gMethods[] = {
226    { "nativeFinishInit", "()V",
227        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
228    { "nativeZygoteInit", "()V",
229        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
230    { "nativeSetExitWithoutCleanup", "(Z)V",
231        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
232};
233
234int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
235{
236    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
237        gMethods, NELEM(gMethods));
238}
239
240// ----------------------------------------------------------------------
241
242/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
243
244AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
245        mExitWithoutCleanup(false),
246        mArgBlockStart(argBlockStart),
247        mArgBlockLength(argBlockLength)
248{
249    SkGraphics::Init();
250    // There is also a global font cache, but its budget is specified in code
251    // see SkFontHost_android.cpp
252
253    // Pre-allocate enough space to hold a fair number of options.
254    mOptions.setCapacity(20);
255
256    assert(gCurRuntime == NULL);        // one per process
257    gCurRuntime = this;
258}
259
260AndroidRuntime::~AndroidRuntime()
261{
262    SkGraphics::Term();
263}
264
265/*
266 * Register native methods using JNI.
267 */
268/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
269    const char* className, const JNINativeMethod* gMethods, int numMethods)
270{
271    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
272}
273
274void AndroidRuntime::setArgv0(const char* argv0) {
275    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
276}
277
278status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
279    const Vector<String8>& args)
280{
281    JNIEnv* env;
282    jmethodID methodId;
283
284    ALOGD("Calling main entry %s", className.string());
285
286    env = getJNIEnv();
287    if (clazz == NULL || env == NULL) {
288        return UNKNOWN_ERROR;
289    }
290
291    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
292    if (methodId == NULL) {
293        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
294        return UNKNOWN_ERROR;
295    }
296
297    /*
298     * We want to call main() with a String array with our arguments in it.
299     * Create an array and populate it.
300     */
301    jclass stringClass;
302    jobjectArray strArray;
303
304    const size_t numArgs = args.size();
305    stringClass = env->FindClass("java/lang/String");
306    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
307
308    for (size_t i = 0; i < numArgs; i++) {
309        jstring argStr = env->NewStringUTF(args[i].string());
310        env->SetObjectArrayElement(strArray, i, argStr);
311    }
312
313    env->CallStaticVoidMethod(clazz, methodId, strArray);
314    return NO_ERROR;
315}
316
317/*
318 * The VM calls this through the "exit" hook.
319 */
320static void runtime_exit(int code)
321{
322    gCurRuntime->exit(code);
323}
324
325/*
326 * The VM calls this through the "vfprintf" hook.
327 *
328 * We ignore "fp" and just write the results to the log file.
329 */
330static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
331{
332    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
333}
334
335/**
336 * The VM calls this when mutex contention debugging is enabled to
337 * determine whether or not the blocked thread was a "sensitive thread"
338 * for user responsiveness/smoothess.
339 *
340 * Our policy for this is whether or not we're tracing any StrictMode
341 * events on this thread (which we might've inherited via Binder calls
342 * into us)
343 */
344static bool runtime_isSensitiveThread() {
345    IPCThreadState* state = IPCThreadState::selfOrNull();
346    return state && state->getStrictModePolicy() != 0;
347}
348
349
350/**
351 * Add VM arguments to the to-be-executed VM
352 * Stops at first non '-' argument (also stops at an argument of '--')
353 * Returns the number of args consumed
354 */
355int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
356{
357    int i;
358
359    for (i = 0; i<argc; i++) {
360        if (argv[i][0] != '-') {
361            return i;
362        }
363        if (argv[i][1] == '-' && argv[i][2] == 0) {
364            return i+1;
365        }
366
367        JavaVMOption opt;
368        memset(&opt, 0, sizeof(opt));
369        opt.optionString = (char*)argv[i];
370        mOptions.add(opt);
371    }
372    return i;
373}
374
375static int hasDir(const char* dir)
376{
377    struct stat s;
378    int res = stat(dir, &s);
379    if (res == 0) {
380        return S_ISDIR(s.st_mode);
381    }
382    return 0;
383}
384
385/*
386 * Read the persistent locale.
387 */
388static void readLocale(char* language, char* region)
389{
390    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
391
392    property_get("persist.sys.language", propLang, "");
393    property_get("persist.sys.country", propRegn, "");
394    if (*propLang == 0 && *propRegn == 0) {
395        /* Set to ro properties, default is en_US */
396        property_get("ro.product.locale.language", propLang, "en");
397        property_get("ro.product.locale.region", propRegn, "US");
398    }
399    strncat(language, propLang, 3);
400    strncat(region, propRegn, 3);
401    //ALOGD("language=%s region=%s\n", language, region);
402}
403
404/*
405 * Parse a property containing space-separated options that should be
406 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
407 *
408 * This will cut up "extraOptsBuf" as we chop it into individual options.
409 *
410 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
411 *
412 * Adds the strings, if any, to mOptions.
413 */
414void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
415{
416    JavaVMOption opt;
417    memset(&opt, 0, sizeof(opt));
418    char* start = extraOptsBuf;
419    char* end = NULL;
420    while (*start != '\0') {
421        while (*start == ' ')                   /* skip leading whitespace */
422            start++;
423        if (*start == '\0')                     /* was trailing ws, bail */
424            break;
425
426        end = start+1;
427        while (*end != ' ' && *end != '\0')     /* find end of token */
428            end++;
429        if (*end == ' ')
430            *end++ = '\0';          /* mark end, advance to indicate more */
431
432        opt.optionString = start;
433        if (quotingArg != NULL) {
434            JavaVMOption quotingOpt;
435            quotingOpt.optionString = quotingArg;
436            mOptions.add(quotingOpt);
437        }
438        mOptions.add(opt);
439        start = end;
440    }
441}
442
443/*
444 * Reads a "property" into "buffer" with a default of "defaultArg". If
445 * the property is non-empty, it is treated as a runtime option such
446 * as "-Xmx32m".
447 *
448 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
449 *
450 * If an argument is found, it is added to mOptions.
451 *
452 * If an option is found, it is added to mOptions and true is
453 * returned. Otherwise false is returned.
454 */
455bool AndroidRuntime::parseRuntimeOption(const char* property,
456                                        char* buffer,
457                                        const char* runtimeArg,
458                                        const char* defaultArg)
459{
460    strcpy(buffer, runtimeArg);
461    size_t runtimeArgLen = strlen(runtimeArg);
462    property_get(property, buffer+runtimeArgLen, defaultArg);
463    if (buffer[runtimeArgLen] == '\0') {
464        return false;
465    }
466
467    JavaVMOption opt;
468    memset(&opt, 0, sizeof(opt));
469
470    opt.optionString = buffer;
471    mOptions.add(opt);
472
473    return true;
474}
475
476/*
477 * Reads a "property" into "buffer". If the property is non-empty, it
478 * is treated as a dex2oat compiler option that should be
479 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
480 *
481 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
482 *
483 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
484 *
485 * If an option is found, it is added to mOptions and true is
486 * returned. Otherwise false is returned.
487 */
488bool AndroidRuntime::parseCompilerOption(const char* property,
489                                         char* buffer,
490                                         const char* compilerArg,
491                                         const char* quotingArg)
492{
493    strcpy(buffer, compilerArg);
494    size_t compilerArgLen = strlen(compilerArg);
495    property_get(property, buffer+compilerArgLen, "");
496    if (buffer[compilerArgLen] == '\0') {
497        return false;
498    }
499
500    JavaVMOption opt;
501    memset(&opt, 0, sizeof(opt));
502
503    opt.optionString = quotingArg;
504    mOptions.add(opt);
505
506    opt.optionString = buffer;
507    mOptions.add(opt);
508
509    return true;
510}
511
512/*
513 * Reads a "property" into "buffer". If the property is non-empty, it
514 * is treated as a dex2oat compiler runtime option that should be
515 * passed as a quoted option, e.g. "-Ximage-compiler-option
516 * --runtime-arg -Ximage-compiler-option -Xmx32m".
517 *
518 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
519 *
520 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
521 *
522 * If an option is found, it is added to mOptions and true is
523 * returned. Otherwise false is returned.
524 */
525bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
526                                                char* buffer,
527                                                const char* runtimeArg,
528                                                const char* quotingArg)
529{
530    strcpy(buffer, runtimeArg);
531    size_t runtimeArgLen = strlen(runtimeArg);
532    property_get(property, buffer+runtimeArgLen, "");
533    if (buffer[runtimeArgLen] == '\0') {
534        return false;
535    }
536
537    JavaVMOption opt;
538    memset(&opt, 0, sizeof(opt));
539
540    opt.optionString = quotingArg;
541    mOptions.add(opt);
542
543    opt.optionString = "--runtime-arg";
544    mOptions.add(opt);
545
546    opt.optionString = quotingArg;
547    mOptions.add(opt);
548
549    opt.optionString = buffer;
550    mOptions.add(opt);
551
552    return true;
553}
554
555/*
556 * Start the Dalvik Virtual Machine.
557 *
558 * Various arguments, most determined by system properties, are passed in.
559 * The "mOptions" vector is updated.
560 *
561 * CAUTION: when adding options in here, be careful not to put the
562 * char buffer inside a nested scope.  Adding the buffer to the
563 * options using mOptions.add() does not copy the buffer, so if the
564 * buffer goes out of scope the option may be overwritten.  It's best
565 * to put the buffer at the top of the function so that it is more
566 * unlikely that someone will surround it in a scope at a later time
567 * and thus introduce a bug.
568 *
569 * Returns 0 on success.
570 */
571int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
572{
573    int result = -1;
574    JavaVMInitArgs initArgs;
575    JavaVMOption opt;
576    char propBuf[PROPERTY_VALUE_MAX];
577    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
578    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
579    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
580    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
581    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
582    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
583    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
584    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
585    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
586    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
587    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
588    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
589    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
590    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
591    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
592    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
593    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
594    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
595    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
596    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
597    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
598    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
599    char extraOptsBuf[PROPERTY_VALUE_MAX];
600    enum {
601      kEMDefault,
602      kEMIntPortable,
603      kEMIntFast,
604      kEMJitCompiler,
605    } executionMode = kEMDefault;
606    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
607    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
608    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
609    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
610    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
611    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
612                                    PROPERTY_VALUE_MAX];
613    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
614    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
615    char langOption[sizeof("-Duser.language=") + 3];
616    char regionOption[sizeof("-Duser.region=") + 3];
617    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
618    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
619    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
620
621    bool checkJni = false;
622    property_get("dalvik.vm.checkjni", propBuf, "");
623    if (strcmp(propBuf, "true") == 0) {
624        checkJni = true;
625    } else if (strcmp(propBuf, "false") != 0) {
626        /* property is neither true nor false; fall back on kernel parameter */
627        property_get("ro.kernel.android.checkjni", propBuf, "");
628        if (propBuf[0] == '1') {
629            checkJni = true;
630        }
631    }
632    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
633    if (checkJni) {
634        /* extended JNI checking */
635        opt.optionString = "-Xcheck:jni";
636        mOptions.add(opt);
637
638        /* set a cap on JNI global references */
639        opt.optionString = "-Xjnigreflimit:2000";
640        mOptions.add(opt);
641
642        /* with -Xcheck:jni, this provides a JNI function call trace */
643        //opt.optionString = "-verbose:jni";
644        //mOptions.add(opt);
645    }
646
647    property_get("dalvik.vm.execution-mode", propBuf, "");
648    if (strcmp(propBuf, "int:portable") == 0) {
649        executionMode = kEMIntPortable;
650    } else if (strcmp(propBuf, "int:fast") == 0) {
651        executionMode = kEMIntFast;
652    } else if (strcmp(propBuf, "int:jit") == 0) {
653        executionMode = kEMJitCompiler;
654    }
655
656    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
657
658    property_get("dalvik.vm.check-dex-sum", propBuf, "");
659    if (strcmp(propBuf, "true") == 0) {
660        /* perform additional DEX checksum tests */
661        opt.optionString = "-Xcheckdexsum";
662        mOptions.add(opt);
663    }
664
665    property_get("log.redirect-stdio", propBuf, "");
666    if (strcmp(propBuf, "true") == 0) {
667        /* convert stdout/stderr to log messages */
668        opt.optionString = "-Xlog-stdio";
669        mOptions.add(opt);
670    }
671
672    strcpy(enableAssertBuf, "-ea:");
673    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
674    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
675        /* accept "all" to mean "all classes and packages" */
676        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
677            enableAssertBuf[3] = '\0'; // truncate to "-ea"
678        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
679        opt.optionString = enableAssertBuf;
680        mOptions.add(opt);
681    } else {
682        ALOGV("Assertions disabled\n");
683    }
684
685    strcpy(jniOptsBuf, "-Xjniopts:");
686    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
687        ALOGI("JNI options: '%s'\n", jniOptsBuf);
688    }
689
690    /* route exit() to our handler */
691    opt.extraInfo = (void*) runtime_exit;
692    opt.optionString = "exit";
693    mOptions.add(opt);
694
695    /* route fprintf() to our handler */
696    opt.extraInfo = (void*) runtime_vfprintf;
697    opt.optionString = "vfprintf";
698    mOptions.add(opt);
699
700    /* register the framework-specific "is sensitive thread" hook */
701    opt.extraInfo = (void*) runtime_isSensitiveThread;
702    opt.optionString = "sensitiveThread";
703    mOptions.add(opt);
704
705    opt.extraInfo = NULL;
706
707    /* enable verbose; standard options are { jni, gc, class } */
708    //options[curOpt++].optionString = "-verbose:jni";
709    opt.optionString = "-verbose:gc";
710    mOptions.add(opt);
711    //options[curOpt++].optionString = "-verbose:class";
712
713    /*
714     * The default starting and maximum size of the heap.  Larger
715     * values should be specified in a product property override.
716     */
717    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
718    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
719
720    // Increase the main thread's interpreter stack size for bug 6315322.
721    opt.optionString = "-XX:mainThreadStackSize=24K";
722    mOptions.add(opt);
723
724    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
725    parseRuntimeOption("dalvik.vm.jit.codecachesize",
726                       jitcodecachesizeOptsBuf,
727                       "-Xjitcodecachesize:");
728
729    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
730    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
731    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
732    parseRuntimeOption("dalvik.vm.heaptargetutilization",
733                       heaptargetutilizationOptsBuf,
734                       "-XX:HeapTargetUtilization=");
735
736    property_get("ro.config.low_ram", propBuf, "");
737    if (strcmp(propBuf, "true") == 0) {
738      opt.optionString = "-XX:LowMemoryMode";
739      mOptions.add(opt);
740    }
741
742    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
743    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
744
745    /*
746     * Enable or disable dexopt features, such as bytecode verification and
747     * calculation of register maps for precise GC.
748     */
749    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
750    if (dexoptFlagsBuf[0] != '\0') {
751        const char* opc;
752        const char* val;
753
754        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
755        if (opc != NULL) {
756            switch (*(opc+2)) {
757            case 'n':   val = "-Xverify:none";      break;
758            case 'r':   val = "-Xverify:remote";    break;
759            case 'a':   val = "-Xverify:all";       break;
760            default:    val = NULL;                 break;
761            }
762
763            if (val != NULL) {
764                opt.optionString = val;
765                mOptions.add(opt);
766            }
767        }
768
769        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
770        if (opc != NULL) {
771            switch (*(opc+2)) {
772            case 'n':   val = "-Xdexopt:none";      break;
773            case 'v':   val = "-Xdexopt:verified";  break;
774            case 'a':   val = "-Xdexopt:all";       break;
775            case 'f':   val = "-Xdexopt:full";      break;
776            default:    val = NULL;                 break;
777            }
778
779            if (val != NULL) {
780                opt.optionString = val;
781                mOptions.add(opt);
782            }
783        }
784
785        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
786        if (opc != NULL) {
787            opt.optionString = "-Xgenregmap";
788            mOptions.add(opt);
789
790            /* turn on precise GC while we're at it */
791            opt.optionString = "-Xgc:precise";
792            mOptions.add(opt);
793        }
794    }
795
796    /* enable debugging; set suspend=y to pause during VM init */
797    /* use android ADB transport */
798    opt.optionString =
799        "-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";
800    mOptions.add(opt);
801
802    parseRuntimeOption("dalvik.vm.lockprof.threshold",
803                       lockProfThresholdBuf,
804                       "-Xlockprofthreshold:");
805
806    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
807    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
808
809    /* Force interpreter-only mode for selected methods */
810    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
811
812    if (executionMode == kEMIntPortable) {
813        opt.optionString = "-Xint:portable";
814        mOptions.add(opt);
815    } else if (executionMode == kEMIntFast) {
816        opt.optionString = "-Xint:fast";
817        mOptions.add(opt);
818    } else if (executionMode == kEMJitCompiler) {
819        opt.optionString = "-Xint:jit";
820        mOptions.add(opt);
821    }
822
823    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
824    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
825    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
826
827    if (libart) {
828        // Extra options for boot.art/boot.oat image generation.
829        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
830                                   "-Xms", "-Ximage-compiler-option");
831        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
832                                   "-Xmx", "-Ximage-compiler-option");
833        parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
834                            "--compiler-filter=", "-Ximage-compiler-option");
835        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
836        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
837
838        // Extra options for DexClassLoader.
839        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
840                                   "-Xms", "-Xcompiler-option");
841        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
842                                   "-Xmx", "-Xcompiler-option");
843        parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
844                            "--compiler-filter=", "-Xcompiler-option");
845        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
846        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
847    }
848
849    /* extra options; parse this late so it overrides others */
850    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
851    parseExtraOpts(extraOptsBuf, NULL);
852
853    /* Set the properties for locale */
854    {
855        strcpy(langOption, "-Duser.language=");
856        strcpy(regionOption, "-Duser.region=");
857        readLocale(langOption, regionOption);
858        opt.extraInfo = NULL;
859        opt.optionString = langOption;
860        mOptions.add(opt);
861        opt.optionString = regionOption;
862        mOptions.add(opt);
863    }
864
865    /*
866     * Set profiler options
867     */
868    if (libart) {
869        // Whether or not the profiler should be enabled.
870        property_get("dalvik.vm.profiler", propBuf, "0");
871        if (propBuf[0] == '1') {
872            opt.optionString = "-Xenable-profiler";
873            mOptions.add(opt);
874        }
875
876        // Whether the profile should start upon app startup or be delayed by some random offset
877        // (in seconds) that is bound between 0 and a fixed value.
878        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
879        if (propBuf[0] == '1') {
880            opt.optionString = "-Xprofile-start-immediately";
881            mOptions.add(opt);
882        }
883
884        // Number of seconds during profile runs.
885        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
886
887        // Length of each profile run (seconds).
888        parseRuntimeOption("dalvik.vm.profile.duration-secs",
889                           profileDuration,
890                           "-Xprofile-duration:");
891
892        // Polling interval during profile run (microseconds).
893        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
894
895        // Coefficient for period backoff.  The the period is multiplied
896        // by this value after each profile run.
897        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
898
899        // Top K% of samples that are considered relevant when
900        // deciding if the app should be recompiled.
901        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
902                           profileTopKThreshold,
903                           "-Xprofile-top-k-threshold:");
904
905        // The threshold after which a change in the structure of the
906        // top K% profiled samples becomes significant and triggers
907        // recompilation. A change in profile is considered
908        // significant if X% (top-k-change-threshold) of the top K%
909        // (top-k-threshold property) samples has changed.
910        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
911                           profileTopKChangeThreshold,
912                           "-Xprofile-top-k-change-threshold:");
913
914        // Type of profile data.
915        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
916
917        // Depth of bounded stack data
918        parseRuntimeOption("dalvik.vm.profile.max-stack-depth",
919                           profileMaxStackDepth,
920                           "-Xprofile-max-stack-depth:");
921    }
922
923    initArgs.version = JNI_VERSION_1_4;
924    initArgs.options = mOptions.editArray();
925    initArgs.nOptions = mOptions.size();
926    initArgs.ignoreUnrecognized = JNI_FALSE;
927
928    /*
929     * Initialize the VM.
930     *
931     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
932     * If this call succeeds, the VM is ready, and we can start issuing
933     * JNI calls.
934     */
935    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
936        ALOGE("JNI_CreateJavaVM failed\n");
937        goto bail;
938    }
939
940    result = 0;
941
942bail:
943    return result;
944}
945
946char* AndroidRuntime::toSlashClassName(const char* className)
947{
948    char* result = strdup(className);
949    for (char* cp = result; *cp != '\0'; cp++) {
950        if (*cp == '.') {
951            *cp = '/';
952        }
953    }
954    return result;
955}
956
957/*
958 * Start the Android runtime.  This involves starting the virtual machine
959 * and calling the "static void main(String[] args)" method in the class
960 * named by "className".
961 *
962 * Passes the main function two arguments, the class name and the specified
963 * options string.
964 */
965void AndroidRuntime::start(const char* className, const Vector<String8>& options)
966{
967    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
968            className != NULL ? className : "(unknown)");
969
970    static const String8 startSystemServer("start-system-server");
971
972    /*
973     * 'startSystemServer == true' means runtime is obsolete and not run from
974     * init.rc anymore, so we print out the boot start event here.
975     */
976    for (size_t i = 0; i < options.size(); ++i) {
977        if (options[i] == startSystemServer) {
978           /* track our progress through the boot sequence */
979           const int LOG_BOOT_PROGRESS_START = 3000;
980           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
981        }
982    }
983
984    const char* rootDir = getenv("ANDROID_ROOT");
985    if (rootDir == NULL) {
986        rootDir = "/system";
987        if (!hasDir("/system")) {
988            LOG_FATAL("No root directory specified, and /android does not exist.");
989            return;
990        }
991        setenv("ANDROID_ROOT", rootDir, 1);
992    }
993
994    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
995    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
996
997    /* start the virtual machine */
998    JniInvocation jni_invocation;
999    jni_invocation.Init(NULL);
1000    JNIEnv* env;
1001    if (startVm(&mJavaVM, &env) != 0) {
1002        return;
1003    }
1004    onVmCreated(env);
1005
1006    /*
1007     * Register android functions.
1008     */
1009    if (startReg(env) < 0) {
1010        ALOGE("Unable to register all android natives\n");
1011        return;
1012    }
1013
1014    /*
1015     * We want to call main() with a String array with arguments in it.
1016     * At present we have two arguments, the class name and an option string.
1017     * Create an array to hold them.
1018     */
1019    jclass stringClass;
1020    jobjectArray strArray;
1021    jstring classNameStr;
1022
1023    stringClass = env->FindClass("java/lang/String");
1024    assert(stringClass != NULL);
1025    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1026    assert(strArray != NULL);
1027    classNameStr = env->NewStringUTF(className);
1028    assert(classNameStr != NULL);
1029    env->SetObjectArrayElement(strArray, 0, classNameStr);
1030
1031    for (size_t i = 0; i < options.size(); ++i) {
1032        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1033        assert(optionsStr != NULL);
1034        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1035    }
1036
1037    /*
1038     * Start VM.  This thread becomes the main thread of the VM, and will
1039     * not return until the VM exits.
1040     */
1041    char* slashClassName = toSlashClassName(className);
1042    jclass startClass = env->FindClass(slashClassName);
1043    if (startClass == NULL) {
1044        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1045        /* keep going */
1046    } else {
1047        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1048            "([Ljava/lang/String;)V");
1049        if (startMeth == NULL) {
1050            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1051            /* keep going */
1052        } else {
1053            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1054
1055#if 0
1056            if (env->ExceptionCheck())
1057                threadExitUncaughtException(env);
1058#endif
1059        }
1060    }
1061    free(slashClassName);
1062
1063    ALOGD("Shutting down VM\n");
1064    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1065        ALOGW("Warning: unable to detach main thread\n");
1066    if (mJavaVM->DestroyJavaVM() != 0)
1067        ALOGW("Warning: VM did not shut down cleanly\n");
1068}
1069
1070void AndroidRuntime::exit(int code)
1071{
1072    if (mExitWithoutCleanup) {
1073        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1074        ::_exit(code);
1075    } else {
1076        ALOGI("VM exiting with result code %d.", code);
1077        onExit(code);
1078        ::exit(code);
1079    }
1080}
1081
1082void AndroidRuntime::onVmCreated(JNIEnv* env)
1083{
1084    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1085}
1086
1087/*
1088 * Get the JNIEnv pointer for this thread.
1089 *
1090 * Returns NULL if the slot wasn't allocated or populated.
1091 */
1092/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1093{
1094    JNIEnv* env;
1095    JavaVM* vm = AndroidRuntime::getJavaVM();
1096    assert(vm != NULL);
1097
1098    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1099        return NULL;
1100    return env;
1101}
1102
1103/*
1104 * Makes the current thread visible to the VM.
1105 *
1106 * The JNIEnv pointer returned is only valid for the current thread, and
1107 * thus must be tucked into thread-local storage.
1108 */
1109static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1110{
1111    JavaVMAttachArgs args;
1112    JavaVM* vm;
1113    jint result;
1114
1115    vm = AndroidRuntime::getJavaVM();
1116    assert(vm != NULL);
1117
1118    args.version = JNI_VERSION_1_4;
1119    args.name = (char*) threadName;
1120    args.group = NULL;
1121
1122    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1123    if (result != JNI_OK)
1124        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1125
1126    return result;
1127}
1128
1129/*
1130 * Detach the current thread from the set visible to the VM.
1131 */
1132static int javaDetachThread(void)
1133{
1134    JavaVM* vm;
1135    jint result;
1136
1137    vm = AndroidRuntime::getJavaVM();
1138    assert(vm != NULL);
1139
1140    result = vm->DetachCurrentThread();
1141    if (result != JNI_OK)
1142        ALOGE("ERROR: thread detach failed\n");
1143    return result;
1144}
1145
1146/*
1147 * When starting a native thread that will be visible from the VM, we
1148 * bounce through this to get the right attach/detach action.
1149 * Note that this function calls free(args)
1150 */
1151/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1152    void* start = ((void**)args)[0];
1153    void* userData = ((void **)args)[1];
1154    char* name = (char*) ((void **)args)[2];        // we own this storage
1155    free(args);
1156    JNIEnv* env;
1157    int result;
1158
1159    /* hook us into the VM */
1160    if (javaAttachThread(name, &env) != JNI_OK)
1161        return -1;
1162
1163    /* start the thread running */
1164    result = (*(android_thread_func_t)start)(userData);
1165
1166    /* unhook us */
1167    javaDetachThread();
1168    free(name);
1169
1170    return result;
1171}
1172
1173/*
1174 * This is invoked from androidCreateThreadEtc() via the callback
1175 * set with androidSetCreateThreadFunc().
1176 *
1177 * We need to create the new thread in such a way that it gets hooked
1178 * into the VM before it really starts executing.
1179 */
1180/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1181                                android_thread_func_t entryFunction,
1182                                void* userData,
1183                                const char* threadName,
1184                                int32_t threadPriority,
1185                                size_t threadStackSize,
1186                                android_thread_id_t* threadId)
1187{
1188    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1189    int result;
1190
1191    if (!threadName)
1192        threadName = "unnamed thread";
1193
1194    args[0] = (void*) entryFunction;
1195    args[1] = userData;
1196    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1197
1198    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1199        threadName, threadPriority, threadStackSize, threadId);
1200    return result;
1201}
1202
1203/*
1204 * Create a thread that is visible from the VM.
1205 *
1206 * This is called from elsewhere in the library.
1207 */
1208/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1209    void (*start)(void *), void* arg)
1210{
1211    android_thread_id_t threadId = 0;
1212    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1213        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1214    return threadId;
1215}
1216
1217#if 0
1218static void quickTest(void* arg)
1219{
1220    const char* str = (const char*) arg;
1221
1222    printf("In quickTest: %s\n", str);
1223}
1224#endif
1225
1226#ifdef NDEBUG
1227    #define REG_JNI(name)      { name }
1228    struct RegJNIRec {
1229        int (*mProc)(JNIEnv*);
1230    };
1231#else
1232    #define REG_JNI(name)      { name, #name }
1233    struct RegJNIRec {
1234        int (*mProc)(JNIEnv*);
1235        const char* mName;
1236    };
1237#endif
1238
1239typedef void (*RegJAMProc)();
1240
1241static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1242{
1243    for (size_t i = 0; i < count; i++) {
1244        if (array[i].mProc(env) < 0) {
1245#ifndef NDEBUG
1246            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1247#endif
1248            return -1;
1249        }
1250    }
1251    return 0;
1252}
1253
1254static void register_jam_procs(const RegJAMProc array[], size_t count)
1255{
1256    for (size_t i = 0; i < count; i++) {
1257        array[i]();
1258    }
1259}
1260
1261static const RegJNIRec gRegJNI[] = {
1262    REG_JNI(register_com_android_internal_os_RuntimeInit),
1263    REG_JNI(register_android_os_SystemClock),
1264    REG_JNI(register_android_util_EventLog),
1265    REG_JNI(register_android_util_Log),
1266    REG_JNI(register_android_util_FloatMath),
1267    REG_JNI(register_android_content_AssetManager),
1268    REG_JNI(register_android_content_StringBlock),
1269    REG_JNI(register_android_content_XmlBlock),
1270    REG_JNI(register_android_emoji_EmojiFactory),
1271    REG_JNI(register_android_text_AndroidCharacter),
1272    REG_JNI(register_android_text_StaticLayout),
1273    REG_JNI(register_android_text_AndroidBidi),
1274    REG_JNI(register_android_view_InputDevice),
1275    REG_JNI(register_android_view_KeyCharacterMap),
1276    REG_JNI(register_android_os_Process),
1277    REG_JNI(register_android_os_SystemProperties),
1278    REG_JNI(register_android_os_Binder),
1279    REG_JNI(register_android_os_Parcel),
1280    REG_JNI(register_android_nio_utils),
1281    REG_JNI(register_android_graphics_Graphics),
1282    REG_JNI(register_android_view_DisplayEventReceiver),
1283    REG_JNI(register_android_view_RenderNode),
1284    REG_JNI(register_android_view_RenderNodeAnimator),
1285    REG_JNI(register_android_view_GraphicBuffer),
1286    REG_JNI(register_android_view_GLES20Canvas),
1287    REG_JNI(register_android_view_HardwareLayer),
1288    REG_JNI(register_android_view_ThreadedRenderer),
1289    REG_JNI(register_android_view_Surface),
1290    REG_JNI(register_android_view_SurfaceControl),
1291    REG_JNI(register_android_view_SurfaceSession),
1292    REG_JNI(register_android_view_TextureView),
1293    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1294    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1295    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1296    REG_JNI(register_android_opengl_jni_EGL14),
1297    REG_JNI(register_android_opengl_jni_EGLExt),
1298    REG_JNI(register_android_opengl_jni_GLES10),
1299    REG_JNI(register_android_opengl_jni_GLES10Ext),
1300    REG_JNI(register_android_opengl_jni_GLES11),
1301    REG_JNI(register_android_opengl_jni_GLES11Ext),
1302    REG_JNI(register_android_opengl_jni_GLES20),
1303    REG_JNI(register_android_opengl_jni_GLES30),
1304    REG_JNI(register_android_opengl_jni_GLES31),
1305    REG_JNI(register_android_opengl_jni_GLES31Ext),
1306
1307    REG_JNI(register_android_graphics_Bitmap),
1308    REG_JNI(register_android_graphics_BitmapFactory),
1309    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1310    REG_JNI(register_android_graphics_Camera),
1311    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1312    REG_JNI(register_android_graphics_Canvas),
1313    REG_JNI(register_android_graphics_CanvasProperty),
1314    REG_JNI(register_android_graphics_ColorFilter),
1315    REG_JNI(register_android_graphics_DrawFilter),
1316    REG_JNI(register_android_graphics_FontFamily),
1317    REG_JNI(register_android_graphics_Interpolator),
1318    REG_JNI(register_android_graphics_LayerRasterizer),
1319    REG_JNI(register_android_graphics_MaskFilter),
1320    REG_JNI(register_android_graphics_Matrix),
1321    REG_JNI(register_android_graphics_Movie),
1322    REG_JNI(register_android_graphics_NinePatch),
1323    REG_JNI(register_android_graphics_Paint),
1324    REG_JNI(register_android_graphics_Path),
1325    REG_JNI(register_android_graphics_PathMeasure),
1326    REG_JNI(register_android_graphics_PathEffect),
1327    REG_JNI(register_android_graphics_Picture),
1328    REG_JNI(register_android_graphics_PorterDuff),
1329    REG_JNI(register_android_graphics_Rasterizer),
1330    REG_JNI(register_android_graphics_Region),
1331    REG_JNI(register_android_graphics_Shader),
1332    REG_JNI(register_android_graphics_SurfaceTexture),
1333    REG_JNI(register_android_graphics_Typeface),
1334    REG_JNI(register_android_graphics_Xfermode),
1335    REG_JNI(register_android_graphics_YuvImage),
1336    REG_JNI(register_android_graphics_pdf_PdfDocument),
1337    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1338
1339    REG_JNI(register_android_database_CursorWindow),
1340    REG_JNI(register_android_database_SQLiteConnection),
1341    REG_JNI(register_android_database_SQLiteGlobal),
1342    REG_JNI(register_android_database_SQLiteDebug),
1343    REG_JNI(register_android_os_Debug),
1344    REG_JNI(register_android_os_FileObserver),
1345    REG_JNI(register_android_os_MessageQueue),
1346    REG_JNI(register_android_os_SELinux),
1347    REG_JNI(register_android_os_Trace),
1348    REG_JNI(register_android_os_UEventObserver),
1349    REG_JNI(register_android_net_LocalSocketImpl),
1350    REG_JNI(register_android_net_NetworkUtils),
1351    REG_JNI(register_android_net_TrafficStats),
1352    REG_JNI(register_android_os_MemoryFile),
1353    REG_JNI(register_com_android_internal_os_ZygoteInit),
1354    REG_JNI(register_com_android_internal_os_Zygote),
1355    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1356    REG_JNI(register_android_hardware_Camera),
1357    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1358    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1359    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1360    REG_JNI(register_android_hardware_camera2_DngCreator),
1361    REG_JNI(register_android_hardware_SensorManager),
1362    REG_JNI(register_android_hardware_SerialPort),
1363    REG_JNI(register_android_hardware_SoundTrigger),
1364    REG_JNI(register_android_hardware_UsbDevice),
1365    REG_JNI(register_android_hardware_UsbDeviceConnection),
1366    REG_JNI(register_android_hardware_UsbRequest),
1367    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1368    REG_JNI(register_android_media_AudioRecord),
1369    REG_JNI(register_android_media_AudioSystem),
1370    REG_JNI(register_android_media_AudioTrack),
1371    REG_JNI(register_android_media_JetPlayer),
1372    REG_JNI(register_android_media_RemoteDisplay),
1373    REG_JNI(register_android_media_ToneGenerator),
1374
1375    REG_JNI(register_android_opengl_classes),
1376	REG_JNI(register_android_server_fingerprint_FingerprintService),
1377    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1378    REG_JNI(register_android_server_Watchdog),
1379    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1380    REG_JNI(register_android_backup_BackupDataInput),
1381    REG_JNI(register_android_backup_BackupDataOutput),
1382    REG_JNI(register_android_backup_FileBackupHelperBase),
1383    REG_JNI(register_android_backup_BackupHelperDispatcher),
1384    REG_JNI(register_android_app_backup_FullBackup),
1385    REG_JNI(register_android_app_ActivityThread),
1386    REG_JNI(register_android_app_NativeActivity),
1387    REG_JNI(register_android_view_InputChannel),
1388    REG_JNI(register_android_view_InputEventReceiver),
1389    REG_JNI(register_android_view_InputEventSender),
1390    REG_JNI(register_android_view_InputQueue),
1391    REG_JNI(register_android_view_KeyEvent),
1392    REG_JNI(register_android_view_MotionEvent),
1393    REG_JNI(register_android_view_PointerIcon),
1394    REG_JNI(register_android_view_VelocityTracker),
1395
1396    REG_JNI(register_android_content_res_ObbScanner),
1397    REG_JNI(register_android_content_res_Configuration),
1398
1399    REG_JNI(register_android_animation_PropertyValuesHolder),
1400    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1401    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1402};
1403
1404/*
1405 * Register android native functions with the VM.
1406 */
1407/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1408{
1409    /*
1410     * This hook causes all future threads created in this process to be
1411     * attached to the JavaVM.  (This needs to go away in favor of JNI
1412     * Attach calls.)
1413     */
1414    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1415
1416    ALOGV("--- registering native functions ---\n");
1417
1418    /*
1419     * Every "register" function calls one or more things that return
1420     * a local reference (e.g. FindClass).  Because we haven't really
1421     * started the VM yet, they're all getting stored in the base frame
1422     * and never released.  Use Push/Pop to manage the storage.
1423     */
1424    env->PushLocalFrame(200);
1425
1426    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1427        env->PopLocalFrame(NULL);
1428        return -1;
1429    }
1430    env->PopLocalFrame(NULL);
1431
1432    //createJavaThread("fubar", quickTest, (void*) "hello");
1433
1434    return 0;
1435}
1436
1437AndroidRuntime* AndroidRuntime::getRuntime()
1438{
1439    return gCurRuntime;
1440}
1441
1442/**
1443 * Used by WithFramework to register native functions.
1444 */
1445extern "C"
1446jint Java_com_android_internal_util_WithFramework_registerNatives(
1447        JNIEnv* env, jclass clazz) {
1448    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1449}
1450
1451/**
1452 * Used by LoadClass to register native functions.
1453 */
1454extern "C"
1455jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1456    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1457}
1458
1459}   // namespace android
1460