AndroidRuntime.cpp revision f5b6e5590e0a2c1be10bc0bd0a3b141256fdf7fd 
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 ATRACE_TAG ATRACE_TAG_DALVIK
18#define LOG_TAG "AndroidRuntime"
19//#define LOG_NDEBUG 0
20
21#include <android_runtime/AndroidRuntime.h>
22#include <binder/IBinder.h>
23#include <binder/IPCThreadState.h>
24#include <binder/IServiceManager.h>
25#include <utils/Log.h>
26#include <utils/misc.h>
27#include <utils/Trace.h>
28#include <binder/Parcel.h>
29#include <utils/threads.h>
30#include <cutils/properties.h>
31
32#include <SkGraphics.h>
33#include <SkImageDecoder.h>
34
35#include "jni.h"
36#include "JNIHelp.h"
37#include "JniInvocation.h"
38#include "android_util_Binder.h"
39
40#include <stdio.h>
41#include <signal.h>
42#include <sys/stat.h>
43#include <sys/types.h>
44#include <signal.h>
45#include <dirent.h>
46#include <assert.h>
47
48#include <string>
49#include <vector>
50
51
52using namespace android;
53
54extern int register_android_os_Binder(JNIEnv* env);
55extern int register_android_os_Process(JNIEnv* env);
56extern int register_android_graphics_Bitmap(JNIEnv*);
57extern int register_android_graphics_BitmapFactory(JNIEnv*);
58extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
59extern int register_android_graphics_Camera(JNIEnv* env);
60extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
61extern int register_android_graphics_Graphics(JNIEnv* env);
62extern int register_android_graphics_Interpolator(JNIEnv* env);
63extern int register_android_graphics_MaskFilter(JNIEnv* env);
64extern int register_android_graphics_Movie(JNIEnv* env);
65extern int register_android_graphics_NinePatch(JNIEnv*);
66extern int register_android_graphics_PathEffect(JNIEnv* env);
67extern int register_android_graphics_Shader(JNIEnv* env);
68extern int register_android_graphics_Typeface(JNIEnv* env);
69extern int register_android_graphics_YuvImage(JNIEnv* env);
70
71extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
72extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
73extern int register_android_opengl_jni_EGL14(JNIEnv* env);
74extern int register_android_opengl_jni_EGLExt(JNIEnv* env);
75extern int register_android_opengl_jni_GLES10(JNIEnv* env);
76extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
77extern int register_android_opengl_jni_GLES11(JNIEnv* env);
78extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
79extern int register_android_opengl_jni_GLES20(JNIEnv* env);
80extern int register_android_opengl_jni_GLES30(JNIEnv* env);
81extern int register_android_opengl_jni_GLES31(JNIEnv* env);
82extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env);
83
84extern int register_android_hardware_Camera(JNIEnv *env);
85extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
86extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env);
87extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env);
88extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
89extern int register_android_hardware_Radio(JNIEnv *env);
90extern int register_android_hardware_SensorManager(JNIEnv *env);
91extern int register_android_hardware_SerialPort(JNIEnv *env);
92extern int register_android_hardware_SoundTrigger(JNIEnv *env);
93extern int register_android_hardware_UsbDevice(JNIEnv *env);
94extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
95extern int register_android_hardware_UsbRequest(JNIEnv *env);
96extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env);
97
98extern int register_android_media_AudioRecord(JNIEnv *env);
99extern int register_android_media_AudioSystem(JNIEnv *env);
100extern int register_android_media_AudioTrack(JNIEnv *env);
101extern int register_android_media_JetPlayer(JNIEnv *env);
102extern int register_android_media_ToneGenerator(JNIEnv *env);
103
104namespace android {
105
106/*
107 * JNI-based registration functions.  Note these are properly contained in
108 * namespace android.
109 */
110extern int register_android_content_AssetManager(JNIEnv* env);
111extern int register_android_util_EventLog(JNIEnv* env);
112extern int register_android_util_Log(JNIEnv* env);
113extern int register_android_content_StringBlock(JNIEnv* env);
114extern int register_android_content_XmlBlock(JNIEnv* env);
115extern int register_android_emoji_EmojiFactory(JNIEnv* env);
116extern int register_android_graphics_Canvas(JNIEnv* env);
117extern int register_android_graphics_CanvasProperty(JNIEnv* env);
118extern int register_android_graphics_ColorFilter(JNIEnv* env);
119extern int register_android_graphics_DrawFilter(JNIEnv* env);
120extern int register_android_graphics_FontFamily(JNIEnv* env);
121extern int register_android_graphics_LayerRasterizer(JNIEnv*);
122extern int register_android_graphics_Matrix(JNIEnv* env);
123extern int register_android_graphics_Paint(JNIEnv* env);
124extern int register_android_graphics_Path(JNIEnv* env);
125extern int register_android_graphics_PathMeasure(JNIEnv* env);
126extern int register_android_graphics_Picture(JNIEnv*);
127extern int register_android_graphics_PorterDuff(JNIEnv* env);
128extern int register_android_graphics_Rasterizer(JNIEnv* env);
129extern int register_android_graphics_Region(JNIEnv* env);
130extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
131extern int register_android_graphics_Xfermode(JNIEnv* env);
132extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
133extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
134extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
135extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
136extern int register_android_view_DisplayListCanvas(JNIEnv* env);
137extern int register_android_view_GraphicBuffer(JNIEnv* env);
138extern int register_android_view_HardwareLayer(JNIEnv* env);
139extern int register_android_view_RenderNode(JNIEnv* env);
140extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
141extern int register_android_view_Surface(JNIEnv* env);
142extern int register_android_view_SurfaceControl(JNIEnv* env);
143extern int register_android_view_SurfaceSession(JNIEnv* env);
144extern int register_android_view_TextureView(JNIEnv* env);
145extern int register_android_view_ThreadedRenderer(JNIEnv* env);
146extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
147extern int register_android_database_CursorWindow(JNIEnv* env);
148extern int register_android_database_SQLiteConnection(JNIEnv* env);
149extern int register_android_database_SQLiteGlobal(JNIEnv* env);
150extern int register_android_database_SQLiteDebug(JNIEnv* env);
151extern int register_android_nio_utils(JNIEnv* env);
152extern int register_android_os_Debug(JNIEnv* env);
153extern int register_android_os_MessageQueue(JNIEnv* env);
154extern int register_android_os_Parcel(JNIEnv* env);
155extern int register_android_os_SELinux(JNIEnv* env);
156extern int register_android_os_SystemProperties(JNIEnv *env);
157extern int register_android_os_SystemClock(JNIEnv* env);
158extern int register_android_os_Trace(JNIEnv* env);
159extern int register_android_os_FileObserver(JNIEnv *env);
160extern int register_android_os_UEventObserver(JNIEnv* env);
161extern int register_android_os_MemoryFile(JNIEnv* env);
162extern int register_android_net_LocalSocketImpl(JNIEnv* env);
163extern int register_android_net_NetworkUtils(JNIEnv* env);
164extern int register_android_net_TrafficStats(JNIEnv* env);
165extern int register_android_text_AndroidCharacter(JNIEnv *env);
166extern int register_android_text_StaticLayout(JNIEnv *env);
167extern int register_android_text_AndroidBidi(JNIEnv *env);
168extern int register_android_opengl_classes(JNIEnv *env);
169extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
170extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
171extern int register_android_backup_BackupDataInput(JNIEnv *env);
172extern int register_android_backup_BackupDataOutput(JNIEnv *env);
173extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
174extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
175extern int register_android_app_backup_FullBackup(JNIEnv *env);
176extern int register_android_app_ActivityThread(JNIEnv *env);
177extern int register_android_app_NativeActivity(JNIEnv *env);
178extern int register_android_media_RemoteDisplay(JNIEnv *env);
179extern int register_android_util_jar_StrictJarFile(JNIEnv* env);
180extern int register_android_view_InputChannel(JNIEnv* env);
181extern int register_android_view_InputDevice(JNIEnv* env);
182extern int register_android_view_InputEventReceiver(JNIEnv* env);
183extern int register_android_view_InputEventSender(JNIEnv* env);
184extern int register_android_view_InputQueue(JNIEnv* env);
185extern int register_android_view_KeyCharacterMap(JNIEnv *env);
186extern int register_android_view_KeyEvent(JNIEnv* env);
187extern int register_android_view_MotionEvent(JNIEnv* env);
188extern int register_android_view_PointerIcon(JNIEnv* env);
189extern int register_android_view_VelocityTracker(JNIEnv* env);
190extern int register_android_content_res_ObbScanner(JNIEnv* env);
191extern int register_android_content_res_Configuration(JNIEnv* env);
192extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
193extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
194extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
195extern int register_com_android_internal_os_PathClassLoaderFactory(JNIEnv* env);
196extern int register_com_android_internal_os_Zygote(JNIEnv *env);
197extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
198
199static AndroidRuntime* gCurRuntime = NULL;
200
201/*
202 * Code written in the Java Programming Language calls here from main().
203 */
204static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
205{
206    gCurRuntime->onStarted();
207}
208
209static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
210{
211    gCurRuntime->onZygoteInit();
212}
213
214static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
215        jobject clazz, jboolean exitWithoutCleanup)
216{
217    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
218}
219
220/*
221 * JNI registration.
222 */
223static const JNINativeMethod gMethods[] = {
224    { "nativeFinishInit", "()V",
225        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
226    { "nativeZygoteInit", "()V",
227        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
228    { "nativeSetExitWithoutCleanup", "(Z)V",
229        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
230};
231
232int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
233{
234    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
235        gMethods, NELEM(gMethods));
236}
237
238// ----------------------------------------------------------------------
239
240/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
241
242AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
243        mExitWithoutCleanup(false),
244        mArgBlockStart(argBlockStart),
245        mArgBlockLength(argBlockLength)
246{
247    SkGraphics::Init();
248    // There is also a global font cache, but its budget is specified by
249    // SK_DEFAULT_FONT_CACHE_COUNT_LIMIT and SK_DEFAULT_FONT_CACHE_LIMIT.
250
251    // Pre-allocate enough space to hold a fair number of options.
252    mOptions.setCapacity(20);
253
254    assert(gCurRuntime == NULL);        // one per process
255    gCurRuntime = this;
256}
257
258AndroidRuntime::~AndroidRuntime()
259{
260    SkGraphics::Term();
261}
262
263/*
264 * Register native methods using JNI.
265 */
266/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
267    const char* className, const JNINativeMethod* gMethods, int numMethods)
268{
269    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
270}
271
272void AndroidRuntime::setArgv0(const char* argv0, bool setProcName) {
273    if (setProcName) {
274        int len = strlen(argv0);
275        if (len < 15) {
276            pthread_setname_np(pthread_self(), argv0);
277        } else {
278            pthread_setname_np(pthread_self(), argv0 + len - 15);
279        }
280    }
281    memset(mArgBlockStart, 0, mArgBlockLength);
282    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
283}
284
285status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
286    const Vector<String8>& args)
287{
288    JNIEnv* env;
289    jmethodID methodId;
290
291    ALOGD("Calling main entry %s", className.string());
292
293    env = getJNIEnv();
294    if (clazz == NULL || env == NULL) {
295        return UNKNOWN_ERROR;
296    }
297
298    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
299    if (methodId == NULL) {
300        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
301        return UNKNOWN_ERROR;
302    }
303
304    /*
305     * We want to call main() with a String array with our arguments in it.
306     * Create an array and populate it.
307     */
308    jclass stringClass;
309    jobjectArray strArray;
310
311    const size_t numArgs = args.size();
312    stringClass = env->FindClass("java/lang/String");
313    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
314
315    for (size_t i = 0; i < numArgs; i++) {
316        jstring argStr = env->NewStringUTF(args[i].string());
317        env->SetObjectArrayElement(strArray, i, argStr);
318    }
319
320    env->CallStaticVoidMethod(clazz, methodId, strArray);
321    return NO_ERROR;
322}
323
324/*
325 * The VM calls this through the "exit" hook.
326 */
327static void runtime_exit(int code)
328{
329    gCurRuntime->exit(code);
330}
331
332/*
333 * The VM calls this through the "vfprintf" hook.
334 *
335 * We ignore "fp" and just write the results to the log file.
336 */
337static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
338{
339    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
340}
341
342/**
343 * The VM calls this when mutex contention debugging is enabled to
344 * determine whether or not the blocked thread was a "sensitive thread"
345 * for user responsiveness/smoothess.
346 *
347 * Our policy for this is whether or not we're tracing any StrictMode
348 * events on this thread (which we might've inherited via Binder calls
349 * into us)
350 */
351static bool runtime_isSensitiveThread() {
352    IPCThreadState* state = IPCThreadState::selfOrNull();
353    return state && state->getStrictModePolicy() != 0;
354}
355
356static int hasDir(const char* dir)
357{
358    struct stat s;
359    int res = stat(dir, &s);
360    if (res == 0) {
361        return S_ISDIR(s.st_mode);
362    }
363    return 0;
364}
365
366static bool hasFile(const char* file) {
367    struct stat s;
368    int res = stat(file, &s);
369    if (res == 0) {
370        return S_ISREG(s.st_mode);
371    }
372    return false;
373}
374
375// Convenience wrapper over the property API that returns an
376// std::string.
377std::string getProperty(const char* key, const char* defaultValue) {
378    std::vector<char> temp(PROPERTY_VALUE_MAX);
379    const int len = property_get(key, &temp[0], defaultValue);
380    if (len < 0) {
381        return "";
382    }
383    return std::string(&temp[0], len);
384}
385
386/*
387 * Read the persistent locale. Inspects the following system properties
388 * (in order) and returns the first non-empty property in the list :
389 *
390 * (1) persist.sys.locale
391 * (2) persist.sys.language/country/localevar (country and localevar are
392 * inspected iff. language is non-empty.
393 * (3) ro.product.locale
394 * (4) ro.product.locale.language/region
395 *
396 * Note that we need to inspect persist.sys.language/country/localevar to
397 * preserve language settings for devices that are upgrading from Lollipop
398 * to M. The same goes for ro.product.locale.language/region as well.
399 */
400const std::string readLocale()
401{
402    const std::string locale = getProperty("persist.sys.locale", "");
403    if (!locale.empty()) {
404        return locale;
405    }
406
407    const std::string language = getProperty("persist.sys.language", "");
408    if (!language.empty()) {
409        const std::string country = getProperty("persist.sys.country", "");
410        const std::string variant = getProperty("persist.sys.localevar", "");
411
412        std::string out = language;
413        if (!country.empty()) {
414            out = out + "-" + country;
415        }
416
417        if (!variant.empty()) {
418            out = out + "-" + variant;
419        }
420
421        return out;
422    }
423
424    const std::string productLocale = getProperty("ro.product.locale", "");
425    if (!productLocale.empty()) {
426        return productLocale;
427    }
428
429    // If persist.sys.locale and ro.product.locale are missing,
430    // construct a locale value from the individual locale components.
431    const std::string productLanguage = getProperty("ro.product.locale.language", "en");
432    const std::string productRegion = getProperty("ro.product.locale.region", "US");
433
434    return productLanguage + "-" + productRegion;
435}
436
437void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
438{
439    JavaVMOption opt;
440    opt.optionString = optionString;
441    opt.extraInfo = extraInfo;
442    mOptions.add(opt);
443}
444
445/*
446 * Parse a property containing space-separated options that should be
447 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
448 *
449 * This will cut up "extraOptsBuf" as we chop it into individual options.
450 *
451 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
452 *
453 * Adds the strings, if any, to mOptions.
454 */
455void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
456{
457    char* start = extraOptsBuf;
458    char* end = NULL;
459    while (*start != '\0') {
460        while (*start == ' ')                   /* skip leading whitespace */
461            start++;
462        if (*start == '\0')                     /* was trailing ws, bail */
463            break;
464
465        end = start+1;
466        while (*end != ' ' && *end != '\0')     /* find end of token */
467            end++;
468        if (*end == ' ')
469            *end++ = '\0';          /* mark end, advance to indicate more */
470
471        if (quotingArg != NULL) {
472            addOption(quotingArg);
473        }
474        addOption(start);
475        start = end;
476    }
477}
478
479/*
480 * Reads a "property" into "buffer" with a default of "defaultArg". If
481 * the property is non-empty, it is treated as a runtime option such
482 * as "-Xmx32m".
483 *
484 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
485 *
486 * If an argument is found, it is added to mOptions.
487 *
488 * If an option is found, it is added to mOptions and true is
489 * returned. Otherwise false is returned.
490 */
491bool AndroidRuntime::parseRuntimeOption(const char* property,
492                                        char* buffer,
493                                        const char* runtimeArg,
494                                        const char* defaultArg)
495{
496    strcpy(buffer, runtimeArg);
497    size_t runtimeArgLen = strlen(runtimeArg);
498    property_get(property, buffer+runtimeArgLen, defaultArg);
499    if (buffer[runtimeArgLen] == '\0') {
500        return false;
501    }
502    addOption(buffer);
503    return true;
504}
505
506/*
507 * Reads a "property" into "buffer". If the property is non-empty, it
508 * is treated as a dex2oat compiler option that should be
509 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
510 *
511 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
512 *
513 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
514 *
515 * If an option is found, it is added to mOptions and true is
516 * returned. Otherwise false is returned.
517 */
518bool AndroidRuntime::parseCompilerOption(const char* property,
519                                         char* buffer,
520                                         const char* compilerArg,
521                                         const char* quotingArg)
522{
523    strcpy(buffer, compilerArg);
524    size_t compilerArgLen = strlen(compilerArg);
525    property_get(property, buffer+compilerArgLen, "");
526    if (buffer[compilerArgLen] == '\0') {
527        return false;
528    }
529    addOption(quotingArg);
530    addOption(buffer);
531    return true;
532}
533
534/*
535 * Reads a "property" into "buffer". If the property is non-empty, it
536 * is treated as a dex2oat compiler runtime option that should be
537 * passed as a quoted option, e.g. "-Ximage-compiler-option
538 * --runtime-arg -Ximage-compiler-option -Xmx32m".
539 *
540 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
541 *
542 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
543 *
544 * If an option is found, it is added to mOptions and true is
545 * returned. Otherwise false is returned.
546 */
547bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
548                                                char* buffer,
549                                                const char* runtimeArg,
550                                                const char* quotingArg)
551{
552    strcpy(buffer, runtimeArg);
553    size_t runtimeArgLen = strlen(runtimeArg);
554    property_get(property, buffer+runtimeArgLen, "");
555    if (buffer[runtimeArgLen] == '\0') {
556        return false;
557    }
558    addOption(quotingArg);
559    addOption("--runtime-arg");
560    addOption(quotingArg);
561    addOption(buffer);
562    return true;
563}
564
565/*
566 * Start the Dalvik Virtual Machine.
567 *
568 * Various arguments, most determined by system properties, are passed in.
569 * The "mOptions" vector is updated.
570 *
571 * CAUTION: when adding options in here, be careful not to put the
572 * char buffer inside a nested scope.  Adding the buffer to the
573 * options using mOptions.add() does not copy the buffer, so if the
574 * buffer goes out of scope the option may be overwritten.  It's best
575 * to put the buffer at the top of the function so that it is more
576 * unlikely that someone will surround it in a scope at a later time
577 * and thus introduce a bug.
578 *
579 * Returns 0 on success.
580 */
581int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote)
582{
583    JavaVMInitArgs initArgs;
584    char propBuf[PROPERTY_VALUE_MAX];
585    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
586    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
587    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
588    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
589    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
590    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
591    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
592    char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX];
593    char jitmaxsizeOptsBuf[sizeof("-Xjitmaxsize:")-1 + PROPERTY_VALUE_MAX];
594    char jitinitialsizeOptsBuf[sizeof("-Xjitinitialsize:")-1 + PROPERTY_VALUE_MAX];
595    char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX];
596    char useJitProfilesOptsBuf[sizeof("-Xjitsaveprofilinginfo:")-1 + PROPERTY_VALUE_MAX];
597    char jitprithreadweightOptBuf[sizeof("-Xjitprithreadweight:")-1 + PROPERTY_VALUE_MAX];
598    char jittransitionweightOptBuf[sizeof("-Xjittransitionweight:")-1 + PROPERTY_VALUE_MAX];
599    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
600    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
601    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
602    char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX];
603    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
604    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
605    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
606    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
607    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
608    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
609    char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
610    char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
611    char dex2oat_isa_variant_key[PROPERTY_KEY_MAX];
612    char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX];
613    char dex2oat_isa_features_key[PROPERTY_KEY_MAX];
614    char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX];
615    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
616    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
617    char extraOptsBuf[PROPERTY_VALUE_MAX];
618    char voldDecryptBuf[PROPERTY_VALUE_MAX];
619    enum {
620      kEMDefault,
621      kEMIntPortable,
622      kEMIntFast,
623      kEMJitCompiler,
624    } executionMode = kEMDefault;
625    char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX];
626    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
627    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
628    char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX];
629    char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX];
630    char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX];
631    char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX];
632
633    bool checkJni = false;
634    property_get("dalvik.vm.checkjni", propBuf, "");
635    if (strcmp(propBuf, "true") == 0) {
636        checkJni = true;
637    } else if (strcmp(propBuf, "false") != 0) {
638        /* property is neither true nor false; fall back on kernel parameter */
639        property_get("ro.kernel.android.checkjni", propBuf, "");
640        if (propBuf[0] == '1') {
641            checkJni = true;
642        }
643    }
644    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
645    if (checkJni) {
646        /* extended JNI checking */
647        addOption("-Xcheck:jni");
648
649        /* with -Xcheck:jni, this provides a JNI function call trace */
650        //addOption("-verbose:jni");
651    }
652
653    property_get("dalvik.vm.execution-mode", propBuf, "");
654    if (strcmp(propBuf, "int:portable") == 0) {
655        executionMode = kEMIntPortable;
656    } else if (strcmp(propBuf, "int:fast") == 0) {
657        executionMode = kEMIntFast;
658    } else if (strcmp(propBuf, "int:jit") == 0) {
659        executionMode = kEMJitCompiler;
660    }
661
662    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
663
664    strcpy(jniOptsBuf, "-Xjniopts:");
665    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
666        ALOGI("JNI options: '%s'\n", jniOptsBuf);
667    }
668
669    /* route exit() to our handler */
670    addOption("exit", (void*) runtime_exit);
671
672    /* route fprintf() to our handler */
673    addOption("vfprintf", (void*) runtime_vfprintf);
674
675    /* register the framework-specific "is sensitive thread" hook */
676    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
677
678    /* enable verbose; standard options are { jni, gc, class } */
679    //addOption("-verbose:jni");
680    addOption("-verbose:gc");
681    //addOption("-verbose:class");
682
683    /*
684     * The default starting and maximum size of the heap.  Larger
685     * values should be specified in a product property override.
686     */
687    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
688    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
689
690    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
691    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
692    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
693    parseRuntimeOption("dalvik.vm.heaptargetutilization",
694                       heaptargetutilizationOptsBuf,
695                       "-XX:HeapTargetUtilization=");
696
697    /*
698     * JIT related options.
699     */
700    parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:");
701    parseRuntimeOption("dalvik.vm.jitmaxsize", jitmaxsizeOptsBuf, "-Xjitmaxsize:");
702    parseRuntimeOption("dalvik.vm.jitinitialsize", jitinitialsizeOptsBuf, "-Xjitinitialsize:");
703    parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:");
704    property_get("dalvik.vm.usejitprofiles", useJitProfilesOptsBuf, "");
705    if (strcmp(useJitProfilesOptsBuf, "true") == 0) {
706        addOption("-Xjitsaveprofilinginfo");
707    }
708
709    parseRuntimeOption("dalvik.vm.jitprithreadweight",
710                       jitprithreadweightOptBuf,
711                       "-Xjitprithreadweight:");
712
713    parseRuntimeOption("dalvik.vm.jittransitionweight",
714                       jittransitionweightOptBuf,
715                       "-Xjittransitionweight:");
716
717    property_get("ro.config.low_ram", propBuf, "");
718    if (strcmp(propBuf, "true") == 0) {
719      addOption("-XX:LowMemoryMode");
720    }
721
722    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
723    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
724
725    /*
726     * Enable debugging only for apps forked from zygote.
727     * Set suspend=y to pause during VM init and use android ADB transport.
728     */
729    if (zygote) {
730      addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
731    }
732
733    parseRuntimeOption("dalvik.vm.lockprof.threshold",
734                       lockProfThresholdBuf,
735                       "-Xlockprofthreshold:");
736
737    if (executionMode == kEMIntPortable) {
738        addOption("-Xint:portable");
739    } else if (executionMode == kEMIntFast) {
740        addOption("-Xint:fast");
741    } else if (executionMode == kEMJitCompiler) {
742        addOption("-Xint:jit");
743    }
744
745    // If we are booting without the real /data, don't spend time compiling.
746    property_get("vold.decrypt", voldDecryptBuf, "");
747    bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
748                             (strcmp(voldDecryptBuf, "1") == 0));
749
750    // Extra options for boot.art/boot.oat image generation.
751    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
752                               "-Xms", "-Ximage-compiler-option");
753    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
754                               "-Xmx", "-Ximage-compiler-option");
755    if (skip_compilation) {
756        addOption("-Ximage-compiler-option");
757        addOption("--compiler-filter=verify-none");
758    } else {
759        parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
760                            "--compiler-filter=", "-Ximage-compiler-option");
761    }
762
763    // Make sure there is a preloaded-classes file.
764    if (!hasFile("/system/etc/preloaded-classes")) {
765        ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
766              strerror(errno));
767        return -1;
768    }
769    addOption("-Ximage-compiler-option");
770    addOption("--image-classes=/system/etc/preloaded-classes");
771
772    // If there is a compiled-classes file, push it.
773    if (hasFile("/system/etc/compiled-classes")) {
774        addOption("-Ximage-compiler-option");
775        addOption("--compiled-classes=/system/etc/compiled-classes");
776    }
777
778    property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
779    parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
780
781    // Extra options for DexClassLoader.
782    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
783                               "-Xms", "-Xcompiler-option");
784    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
785                               "-Xmx", "-Xcompiler-option");
786    if (skip_compilation) {
787        addOption("-Xcompiler-option");
788        addOption("--compiler-filter=verify-none");
789
790        // We skip compilation when a minimal runtime is brought up for decryption. In that case
791        // /data is temporarily backed by a tmpfs, which is usually small.
792        // If the system image contains prebuilts, they will be relocated into the tmpfs. In this
793        // specific situation it is acceptable to *not* relocate and run out of the prebuilts
794        // directly instead.
795        addOption("--runtime-arg");
796        addOption("-Xnorelocate");
797    } else {
798        parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
799                            "--compiler-filter=", "-Xcompiler-option");
800    }
801    parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option");
802    parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j",
803                        "-Ximage-compiler-option");
804
805    // The runtime will compile a boot image, when necessary, not using installd. Thus, we need to
806    // pass the instruction-set-features/variant as an image-compiler-option.
807    // TODO: Find a better way for the instruction-set.
808#if defined(__arm__)
809    constexpr const char* instruction_set = "arm";
810#elif defined(__aarch64__)
811    constexpr const char* instruction_set = "arm64";
812#elif defined(__mips__) && !defined(__LP64__)
813    constexpr const char* instruction_set = "mips";
814#elif defined(__mips__) && defined(__LP64__)
815    constexpr const char* instruction_set = "mips64";
816#elif defined(__i386__)
817    constexpr const char* instruction_set = "x86";
818#elif defined(__x86_64__)
819    constexpr const char* instruction_set = "x86_64";
820#else
821    constexpr const char* instruction_set = "unknown";
822#endif
823    // Note: it is OK to reuse the buffer, as the values are exactly the same between
824    //       * compiler-option, used for runtime compilation (DexClassLoader)
825    //       * image-compiler-option, used for boot-image compilation on device
826
827    // Copy the variant.
828    sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set);
829    parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
830                        "--instruction-set-variant=", "-Ximage-compiler-option");
831    parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
832                        "--instruction-set-variant=", "-Xcompiler-option");
833    // Copy the features.
834    sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set);
835    parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
836                        "--instruction-set-features=", "-Ximage-compiler-option");
837    parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
838                        "--instruction-set-features=", "-Xcompiler-option");
839
840
841    property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
842    parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
843
844    /* extra options; parse this late so it overrides others */
845    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
846    parseExtraOpts(extraOptsBuf, NULL);
847
848    /* Set the properties for locale */
849    {
850        strcpy(localeOption, "-Duser.locale=");
851        const std::string locale = readLocale();
852        strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX);
853        addOption(localeOption);
854    }
855
856    // Trace files are stored in /data/misc/trace which is writable only in debug mode.
857    property_get("ro.debuggable", propBuf, "0");
858    if (strcmp(propBuf, "1") == 0) {
859        property_get("dalvik.vm.method-trace", propBuf, "false");
860        if (strcmp(propBuf, "true") == 0) {
861            addOption("-Xmethod-trace");
862            parseRuntimeOption("dalvik.vm.method-trace-file",
863                               methodTraceFileBuf,
864                               "-Xmethod-trace-file:");
865            parseRuntimeOption("dalvik.vm.method-trace-file-siz",
866                               methodTraceFileSizeBuf,
867                               "-Xmethod-trace-file-size:");
868            property_get("dalvik.vm.method-trace-stream", propBuf, "false");
869            if (strcmp(propBuf, "true") == 0) {
870                addOption("-Xmethod-trace-stream");
871            }
872        }
873    }
874
875    // Native bridge library. "0" means that native bridge is disabled.
876    property_get("ro.dalvik.vm.native.bridge", propBuf, "");
877    if (propBuf[0] == '\0') {
878        ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
879    } else if (strcmp(propBuf, "0") != 0) {
880        snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
881                 "-XX:NativeBridge=%s", propBuf);
882        addOption(nativeBridgeLibrary);
883    }
884
885#if defined(__LP64__)
886    const char* cpu_abilist_property_name = "ro.product.cpu.abilist64";
887#else
888    const char* cpu_abilist_property_name = "ro.product.cpu.abilist32";
889#endif  // defined(__LP64__)
890    property_get(cpu_abilist_property_name, propBuf, "");
891    if (propBuf[0] == '\0') {
892        ALOGE("%s is not expected to be empty", cpu_abilist_property_name);
893        return -1;
894    }
895    snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf);
896    addOption(cpuAbiListBuf);
897
898    // Dalvik-cache pruning counter.
899    parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf,
900                       "-Xzygote-max-boot-retry=");
901
902    /*
903     * When running with debug.generate-debug-info, add --generate-debug-info to
904     * the compiler options so that the boot image, if it is compiled on device,
905     * will include native debugging information.
906     */
907    property_get("debug.generate-debug-info", propBuf, "");
908    if (strcmp(propBuf, "true") == 0) {
909        addOption("-Xcompiler-option");
910        addOption("--generate-debug-info");
911        addOption("-Ximage-compiler-option");
912        addOption("--generate-debug-info");
913    }
914
915    /*
916     * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will
917     * contain the fingerprint and can be parsed.
918     */
919    parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:");
920
921    initArgs.version = JNI_VERSION_1_4;
922    initArgs.options = mOptions.editArray();
923    initArgs.nOptions = mOptions.size();
924    initArgs.ignoreUnrecognized = JNI_FALSE;
925
926    /*
927     * Initialize the VM.
928     *
929     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
930     * If this call succeeds, the VM is ready, and we can start issuing
931     * JNI calls.
932     */
933    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
934        ALOGE("JNI_CreateJavaVM failed\n");
935        return -1;
936    }
937
938    return 0;
939}
940
941char* AndroidRuntime::toSlashClassName(const char* className)
942{
943    char* result = strdup(className);
944    for (char* cp = result; *cp != '\0'; cp++) {
945        if (*cp == '.') {
946            *cp = '/';
947        }
948    }
949    return result;
950}
951
952/** Create a Java string from an ASCII or Latin-1 string */
953jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
954    if (!bytes) return NULL;
955    int length = strlen(bytes);
956    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
957    if (!buffer) return NULL;
958    jchar* chp = buffer;
959    for (int i = 0; i < length; i++) {
960        *chp++ = *bytes++;
961    }
962    return env->NewString(buffer, length);
963}
964
965
966/*
967 * Start the Android runtime.  This involves starting the virtual machine
968 * and calling the "static void main(String[] args)" method in the class
969 * named by "className".
970 *
971 * Passes the main function two arguments, the class name and the specified
972 * options string.
973 */
974void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote)
975{
976    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
977            className != NULL ? className : "(unknown)", getuid());
978
979    static const String8 startSystemServer("start-system-server");
980
981    /*
982     * 'startSystemServer == true' means runtime is obsolete and not run from
983     * init.rc anymore, so we print out the boot start event here.
984     */
985    for (size_t i = 0; i < options.size(); ++i) {
986        if (options[i] == startSystemServer) {
987           /* track our progress through the boot sequence */
988           const int LOG_BOOT_PROGRESS_START = 3000;
989           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
990        }
991    }
992
993    const char* rootDir = getenv("ANDROID_ROOT");
994    if (rootDir == NULL) {
995        rootDir = "/system";
996        if (!hasDir("/system")) {
997            LOG_FATAL("No root directory specified, and /android does not exist.");
998            return;
999        }
1000        setenv("ANDROID_ROOT", rootDir, 1);
1001    }
1002
1003    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
1004    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
1005
1006    /* start the virtual machine */
1007    JniInvocation jni_invocation;
1008    jni_invocation.Init(NULL);
1009    JNIEnv* env;
1010    if (startVm(&mJavaVM, &env, zygote) != 0) {
1011        return;
1012    }
1013    onVmCreated(env);
1014
1015    /*
1016     * Register android functions.
1017     */
1018    if (startReg(env) < 0) {
1019        ALOGE("Unable to register all android natives\n");
1020        return;
1021    }
1022
1023    /*
1024     * We want to call main() with a String array with arguments in it.
1025     * At present we have two arguments, the class name and an option string.
1026     * Create an array to hold them.
1027     */
1028    jclass stringClass;
1029    jobjectArray strArray;
1030    jstring classNameStr;
1031
1032    stringClass = env->FindClass("java/lang/String");
1033    assert(stringClass != NULL);
1034    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1035    assert(strArray != NULL);
1036    classNameStr = env->NewStringUTF(className);
1037    assert(classNameStr != NULL);
1038    env->SetObjectArrayElement(strArray, 0, classNameStr);
1039
1040    for (size_t i = 0; i < options.size(); ++i) {
1041        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1042        assert(optionsStr != NULL);
1043        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1044    }
1045
1046    /*
1047     * Start VM.  This thread becomes the main thread of the VM, and will
1048     * not return until the VM exits.
1049     */
1050    char* slashClassName = toSlashClassName(className);
1051    jclass startClass = env->FindClass(slashClassName);
1052    if (startClass == NULL) {
1053        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1054        /* keep going */
1055    } else {
1056        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1057            "([Ljava/lang/String;)V");
1058        if (startMeth == NULL) {
1059            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1060            /* keep going */
1061        } else {
1062            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1063
1064#if 0
1065            if (env->ExceptionCheck())
1066                threadExitUncaughtException(env);
1067#endif
1068        }
1069    }
1070    free(slashClassName);
1071
1072    ALOGD("Shutting down VM\n");
1073    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1074        ALOGW("Warning: unable to detach main thread\n");
1075    if (mJavaVM->DestroyJavaVM() != 0)
1076        ALOGW("Warning: VM did not shut down cleanly\n");
1077}
1078
1079void AndroidRuntime::exit(int code)
1080{
1081    if (mExitWithoutCleanup) {
1082        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1083        ::_exit(code);
1084    } else {
1085        ALOGI("VM exiting with result code %d.", code);
1086        onExit(code);
1087        ::exit(code);
1088    }
1089}
1090
1091void AndroidRuntime::onVmCreated(JNIEnv* env)
1092{
1093    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1094}
1095
1096/*
1097 * Get the JNIEnv pointer for this thread.
1098 *
1099 * Returns NULL if the slot wasn't allocated or populated.
1100 */
1101/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1102{
1103    JNIEnv* env;
1104    JavaVM* vm = AndroidRuntime::getJavaVM();
1105    assert(vm != NULL);
1106
1107    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1108        return NULL;
1109    return env;
1110}
1111
1112/*
1113 * Makes the current thread visible to the VM.
1114 *
1115 * The JNIEnv pointer returned is only valid for the current thread, and
1116 * thus must be tucked into thread-local storage.
1117 */
1118static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1119{
1120    JavaVMAttachArgs args;
1121    JavaVM* vm;
1122    jint result;
1123
1124    vm = AndroidRuntime::getJavaVM();
1125    assert(vm != NULL);
1126
1127    args.version = JNI_VERSION_1_4;
1128    args.name = (char*) threadName;
1129    args.group = NULL;
1130
1131    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1132    if (result != JNI_OK)
1133        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1134
1135    return result;
1136}
1137
1138/*
1139 * Detach the current thread from the set visible to the VM.
1140 */
1141static int javaDetachThread(void)
1142{
1143    JavaVM* vm;
1144    jint result;
1145
1146    vm = AndroidRuntime::getJavaVM();
1147    assert(vm != NULL);
1148
1149    result = vm->DetachCurrentThread();
1150    if (result != JNI_OK)
1151        ALOGE("ERROR: thread detach failed\n");
1152    return result;
1153}
1154
1155/*
1156 * When starting a native thread that will be visible from the VM, we
1157 * bounce through this to get the right attach/detach action.
1158 * Note that this function calls free(args)
1159 */
1160/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1161    void* start = ((void**)args)[0];
1162    void* userData = ((void **)args)[1];
1163    char* name = (char*) ((void **)args)[2];        // we own this storage
1164    free(args);
1165    JNIEnv* env;
1166    int result;
1167
1168    /* hook us into the VM */
1169    if (javaAttachThread(name, &env) != JNI_OK)
1170        return -1;
1171
1172    /* start the thread running */
1173    result = (*(android_thread_func_t)start)(userData);
1174
1175    /* unhook us */
1176    javaDetachThread();
1177    free(name);
1178
1179    return result;
1180}
1181
1182/*
1183 * This is invoked from androidCreateThreadEtc() via the callback
1184 * set with androidSetCreateThreadFunc().
1185 *
1186 * We need to create the new thread in such a way that it gets hooked
1187 * into the VM before it really starts executing.
1188 */
1189/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1190                                android_thread_func_t entryFunction,
1191                                void* userData,
1192                                const char* threadName,
1193                                int32_t threadPriority,
1194                                size_t threadStackSize,
1195                                android_thread_id_t* threadId)
1196{
1197    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1198    int result;
1199
1200    if (!threadName)
1201        threadName = "unnamed thread";
1202
1203    args[0] = (void*) entryFunction;
1204    args[1] = userData;
1205    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1206
1207    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1208        threadName, threadPriority, threadStackSize, threadId);
1209    return result;
1210}
1211
1212/*
1213 * Create a thread that is visible from the VM.
1214 *
1215 * This is called from elsewhere in the library.
1216 */
1217/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1218    void (*start)(void *), void* arg)
1219{
1220    android_thread_id_t threadId = 0;
1221    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1222        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1223    return threadId;
1224}
1225
1226#if 0
1227static void quickTest(void* arg)
1228{
1229    const char* str = (const char*) arg;
1230
1231    printf("In quickTest: %s\n", str);
1232}
1233#endif
1234
1235#ifdef NDEBUG
1236    #define REG_JNI(name)      { name }
1237    struct RegJNIRec {
1238        int (*mProc)(JNIEnv*);
1239    };
1240#else
1241    #define REG_JNI(name)      { name, #name }
1242    struct RegJNIRec {
1243        int (*mProc)(JNIEnv*);
1244        const char* mName;
1245    };
1246#endif
1247
1248typedef void (*RegJAMProc)();
1249
1250static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1251{
1252    for (size_t i = 0; i < count; i++) {
1253        if (array[i].mProc(env) < 0) {
1254#ifndef NDEBUG
1255            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1256#endif
1257            return -1;
1258        }
1259    }
1260    return 0;
1261}
1262
1263static const RegJNIRec gRegJNI[] = {
1264    REG_JNI(register_com_android_internal_os_RuntimeInit),
1265    REG_JNI(register_android_os_SystemClock),
1266    REG_JNI(register_android_util_EventLog),
1267    REG_JNI(register_android_util_Log),
1268    REG_JNI(register_android_content_AssetManager),
1269    REG_JNI(register_android_content_StringBlock),
1270    REG_JNI(register_android_content_XmlBlock),
1271    REG_JNI(register_android_emoji_EmojiFactory),
1272    REG_JNI(register_android_text_AndroidCharacter),
1273    REG_JNI(register_android_text_StaticLayout),
1274    REG_JNI(register_android_text_AndroidBidi),
1275    REG_JNI(register_android_view_InputDevice),
1276    REG_JNI(register_android_view_KeyCharacterMap),
1277    REG_JNI(register_android_os_Process),
1278    REG_JNI(register_android_os_SystemProperties),
1279    REG_JNI(register_android_os_Binder),
1280    REG_JNI(register_android_os_Parcel),
1281    REG_JNI(register_android_nio_utils),
1282    REG_JNI(register_android_graphics_Graphics),
1283    REG_JNI(register_android_view_DisplayEventReceiver),
1284    REG_JNI(register_android_view_RenderNode),
1285    REG_JNI(register_android_view_RenderNodeAnimator),
1286    REG_JNI(register_android_view_GraphicBuffer),
1287    REG_JNI(register_android_view_DisplayListCanvas),
1288    REG_JNI(register_android_view_HardwareLayer),
1289    REG_JNI(register_android_view_ThreadedRenderer),
1290    REG_JNI(register_android_view_Surface),
1291    REG_JNI(register_android_view_SurfaceControl),
1292    REG_JNI(register_android_view_SurfaceSession),
1293    REG_JNI(register_android_view_TextureView),
1294    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1295    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1296    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1297    REG_JNI(register_android_opengl_jni_EGL14),
1298    REG_JNI(register_android_opengl_jni_EGLExt),
1299    REG_JNI(register_android_opengl_jni_GLES10),
1300    REG_JNI(register_android_opengl_jni_GLES10Ext),
1301    REG_JNI(register_android_opengl_jni_GLES11),
1302    REG_JNI(register_android_opengl_jni_GLES11Ext),
1303    REG_JNI(register_android_opengl_jni_GLES20),
1304    REG_JNI(register_android_opengl_jni_GLES30),
1305    REG_JNI(register_android_opengl_jni_GLES31),
1306    REG_JNI(register_android_opengl_jni_GLES31Ext),
1307
1308    REG_JNI(register_android_graphics_Bitmap),
1309    REG_JNI(register_android_graphics_BitmapFactory),
1310    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1311    REG_JNI(register_android_graphics_Camera),
1312    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1313    REG_JNI(register_android_graphics_Canvas),
1314    REG_JNI(register_android_graphics_CanvasProperty),
1315    REG_JNI(register_android_graphics_ColorFilter),
1316    REG_JNI(register_android_graphics_DrawFilter),
1317    REG_JNI(register_android_graphics_FontFamily),
1318    REG_JNI(register_android_graphics_Interpolator),
1319    REG_JNI(register_android_graphics_LayerRasterizer),
1320    REG_JNI(register_android_graphics_MaskFilter),
1321    REG_JNI(register_android_graphics_Matrix),
1322    REG_JNI(register_android_graphics_Movie),
1323    REG_JNI(register_android_graphics_NinePatch),
1324    REG_JNI(register_android_graphics_Paint),
1325    REG_JNI(register_android_graphics_Path),
1326    REG_JNI(register_android_graphics_PathMeasure),
1327    REG_JNI(register_android_graphics_PathEffect),
1328    REG_JNI(register_android_graphics_Picture),
1329    REG_JNI(register_android_graphics_PorterDuff),
1330    REG_JNI(register_android_graphics_Rasterizer),
1331    REG_JNI(register_android_graphics_Region),
1332    REG_JNI(register_android_graphics_Shader),
1333    REG_JNI(register_android_graphics_SurfaceTexture),
1334    REG_JNI(register_android_graphics_Typeface),
1335    REG_JNI(register_android_graphics_Xfermode),
1336    REG_JNI(register_android_graphics_YuvImage),
1337    REG_JNI(register_android_graphics_pdf_PdfDocument),
1338    REG_JNI(register_android_graphics_pdf_PdfEditor),
1339    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1340
1341    REG_JNI(register_android_database_CursorWindow),
1342    REG_JNI(register_android_database_SQLiteConnection),
1343    REG_JNI(register_android_database_SQLiteGlobal),
1344    REG_JNI(register_android_database_SQLiteDebug),
1345    REG_JNI(register_android_os_Debug),
1346    REG_JNI(register_android_os_FileObserver),
1347    REG_JNI(register_android_os_MessageQueue),
1348    REG_JNI(register_android_os_SELinux),
1349    REG_JNI(register_android_os_Trace),
1350    REG_JNI(register_android_os_UEventObserver),
1351    REG_JNI(register_android_net_LocalSocketImpl),
1352    REG_JNI(register_android_net_NetworkUtils),
1353    REG_JNI(register_android_net_TrafficStats),
1354    REG_JNI(register_android_os_MemoryFile),
1355    REG_JNI(register_com_android_internal_os_PathClassLoaderFactory),
1356    REG_JNI(register_com_android_internal_os_Zygote),
1357    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1358    REG_JNI(register_android_hardware_Camera),
1359    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1360    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1361    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1362    REG_JNI(register_android_hardware_camera2_DngCreator),
1363    REG_JNI(register_android_hardware_Radio),
1364    REG_JNI(register_android_hardware_SensorManager),
1365    REG_JNI(register_android_hardware_SerialPort),
1366    REG_JNI(register_android_hardware_SoundTrigger),
1367    REG_JNI(register_android_hardware_UsbDevice),
1368    REG_JNI(register_android_hardware_UsbDeviceConnection),
1369    REG_JNI(register_android_hardware_UsbRequest),
1370    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1371    REG_JNI(register_android_media_AudioRecord),
1372    REG_JNI(register_android_media_AudioSystem),
1373    REG_JNI(register_android_media_AudioTrack),
1374    REG_JNI(register_android_media_JetPlayer),
1375    REG_JNI(register_android_media_RemoteDisplay),
1376    REG_JNI(register_android_media_ToneGenerator),
1377
1378    REG_JNI(register_android_opengl_classes),
1379    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1380    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1381    REG_JNI(register_android_backup_BackupDataInput),
1382    REG_JNI(register_android_backup_BackupDataOutput),
1383    REG_JNI(register_android_backup_FileBackupHelperBase),
1384    REG_JNI(register_android_backup_BackupHelperDispatcher),
1385    REG_JNI(register_android_app_backup_FullBackup),
1386    REG_JNI(register_android_app_ActivityThread),
1387    REG_JNI(register_android_app_NativeActivity),
1388    REG_JNI(register_android_util_jar_StrictJarFile),
1389    REG_JNI(register_android_view_InputChannel),
1390    REG_JNI(register_android_view_InputEventReceiver),
1391    REG_JNI(register_android_view_InputEventSender),
1392    REG_JNI(register_android_view_InputQueue),
1393    REG_JNI(register_android_view_KeyEvent),
1394    REG_JNI(register_android_view_MotionEvent),
1395    REG_JNI(register_android_view_PointerIcon),
1396    REG_JNI(register_android_view_VelocityTracker),
1397
1398    REG_JNI(register_android_content_res_ObbScanner),
1399    REG_JNI(register_android_content_res_Configuration),
1400
1401    REG_JNI(register_android_animation_PropertyValuesHolder),
1402    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1403    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1404
1405
1406};
1407
1408/*
1409 * Register android native functions with the VM.
1410 */
1411/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1412{
1413    ATRACE_NAME("RegisterAndroidNatives");
1414    /*
1415     * This hook causes all future threads created in this process to be
1416     * attached to the JavaVM.  (This needs to go away in favor of JNI
1417     * Attach calls.)
1418     */
1419    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1420
1421    ALOGV("--- registering native functions ---\n");
1422
1423    /*
1424     * Every "register" function calls one or more things that return
1425     * a local reference (e.g. FindClass).  Because we haven't really
1426     * started the VM yet, they're all getting stored in the base frame
1427     * and never released.  Use Push/Pop to manage the storage.
1428     */
1429    env->PushLocalFrame(200);
1430
1431    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1432        env->PopLocalFrame(NULL);
1433        return -1;
1434    }
1435    env->PopLocalFrame(NULL);
1436
1437    //createJavaThread("fubar", quickTest, (void*) "hello");
1438
1439    return 0;
1440}
1441
1442AndroidRuntime* AndroidRuntime::getRuntime()
1443{
1444    return gCurRuntime;
1445}
1446
1447/**
1448 * Used by surface flinger's DdmConnection to register native methods from
1449 * the framework.
1450 */
1451extern "C" jint registerFrameworkNatives(JNIEnv* env) {
1452    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1453}
1454}   // namespace android
1455