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);
83extern int register_android_opengl_jni_GLES32(JNIEnv* env);
84
85extern int register_android_hardware_Camera(JNIEnv *env);
86extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
87extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env);
88extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env);
89extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
90extern int register_android_hardware_Radio(JNIEnv *env);
91extern int register_android_hardware_SensorManager(JNIEnv *env);
92extern int register_android_hardware_SerialPort(JNIEnv *env);
93extern int register_android_hardware_SoundTrigger(JNIEnv *env);
94extern int register_android_hardware_UsbDevice(JNIEnv *env);
95extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
96extern int register_android_hardware_UsbRequest(JNIEnv *env);
97extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env);
98extern int register_android_hardware_location_ContextHubService(JNIEnv* env);
99
100extern int register_android_media_AudioRecord(JNIEnv *env);
101extern int register_android_media_AudioSystem(JNIEnv *env);
102extern int register_android_media_AudioTrack(JNIEnv *env);
103extern int register_android_media_JetPlayer(JNIEnv *env);
104extern int register_android_media_ToneGenerator(JNIEnv *env);
105
106namespace android {
107
108/*
109 * JNI-based registration functions.  Note these are properly contained in
110 * namespace android.
111 */
112extern int register_android_app_admin_SecurityLog(JNIEnv* env);
113extern int register_android_content_AssetManager(JNIEnv* env);
114extern int register_android_util_EventLog(JNIEnv* env);
115extern int register_android_util_Log(JNIEnv* env);
116extern int register_android_util_MemoryIntArray(JNIEnv* env);
117extern int register_android_util_PathParser(JNIEnv* env);
118extern int register_android_content_StringBlock(JNIEnv* env);
119extern int register_android_content_XmlBlock(JNIEnv* env);
120extern int register_android_graphics_Canvas(JNIEnv* env);
121extern int register_android_graphics_CanvasProperty(JNIEnv* env);
122extern int register_android_graphics_ColorFilter(JNIEnv* env);
123extern int register_android_graphics_DrawFilter(JNIEnv* env);
124extern int register_android_graphics_FontFamily(JNIEnv* env);
125extern int register_android_graphics_LayerRasterizer(JNIEnv*);
126extern int register_android_graphics_Matrix(JNIEnv* env);
127extern int register_android_graphics_Paint(JNIEnv* env);
128extern int register_android_graphics_Path(JNIEnv* env);
129extern int register_android_graphics_PathMeasure(JNIEnv* env);
130extern int register_android_graphics_Picture(JNIEnv*);
131extern int register_android_graphics_PorterDuff(JNIEnv* env);
132extern int register_android_graphics_Rasterizer(JNIEnv* env);
133extern int register_android_graphics_Region(JNIEnv* env);
134extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
135extern int register_android_graphics_Xfermode(JNIEnv* env);
136extern int register_android_graphics_drawable_AnimatedVectorDrawable(JNIEnv* env);
137extern int register_android_graphics_drawable_VectorDrawable(JNIEnv* env);
138extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
139extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
140extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
141extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
142extern int register_android_view_DisplayListCanvas(JNIEnv* env);
143extern int register_android_view_GraphicBuffer(JNIEnv* env);
144extern int register_android_view_HardwareLayer(JNIEnv* env);
145extern int register_android_view_RenderNode(JNIEnv* env);
146extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
147extern int register_android_view_Surface(JNIEnv* env);
148extern int register_android_view_SurfaceControl(JNIEnv* env);
149extern int register_android_view_SurfaceSession(JNIEnv* env);
150extern int register_android_view_TextureView(JNIEnv* env);
151extern int register_android_view_ThreadedRenderer(JNIEnv* env);
152extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
153extern int register_android_database_CursorWindow(JNIEnv* env);
154extern int register_android_database_SQLiteConnection(JNIEnv* env);
155extern int register_android_database_SQLiteGlobal(JNIEnv* env);
156extern int register_android_database_SQLiteDebug(JNIEnv* env);
157extern int register_android_nio_utils(JNIEnv* env);
158extern int register_android_os_Debug(JNIEnv* env);
159extern int register_android_os_GraphicsEnvironment(JNIEnv* env);
160extern int register_android_os_MessageQueue(JNIEnv* env);
161extern int register_android_os_Parcel(JNIEnv* env);
162extern int register_android_os_SELinux(JNIEnv* env);
163extern int register_android_os_SystemProperties(JNIEnv *env);
164extern int register_android_os_SystemClock(JNIEnv* env);
165extern int register_android_os_Trace(JNIEnv* env);
166extern int register_android_os_FileObserver(JNIEnv *env);
167extern int register_android_os_UEventObserver(JNIEnv* env);
168extern int register_android_os_MemoryFile(JNIEnv* env);
169extern int register_android_net_LocalSocketImpl(JNIEnv* env);
170extern int register_android_net_NetworkUtils(JNIEnv* env);
171extern int register_android_net_TrafficStats(JNIEnv* env);
172extern int register_android_text_AndroidCharacter(JNIEnv *env);
173extern int register_android_text_StaticLayout(JNIEnv *env);
174extern int register_android_text_AndroidBidi(JNIEnv *env);
175extern int register_android_opengl_classes(JNIEnv *env);
176extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
177extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
178extern int register_android_backup_BackupDataInput(JNIEnv *env);
179extern int register_android_backup_BackupDataOutput(JNIEnv *env);
180extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
181extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
182extern int register_android_app_backup_FullBackup(JNIEnv *env);
183extern int register_android_app_Activity(JNIEnv *env);
184extern int register_android_app_ActivityThread(JNIEnv *env);
185extern int register_android_app_ApplicationLoaders(JNIEnv *env);
186extern int register_android_app_NativeActivity(JNIEnv *env);
187extern int register_android_media_RemoteDisplay(JNIEnv *env);
188extern int register_android_util_jar_StrictJarFile(JNIEnv* env);
189extern int register_android_view_InputChannel(JNIEnv* env);
190extern int register_android_view_InputDevice(JNIEnv* env);
191extern int register_android_view_InputEventReceiver(JNIEnv* env);
192extern int register_android_view_InputEventSender(JNIEnv* env);
193extern int register_android_view_InputQueue(JNIEnv* env);
194extern int register_android_view_KeyCharacterMap(JNIEnv *env);
195extern int register_android_view_KeyEvent(JNIEnv* env);
196extern int register_android_view_MotionEvent(JNIEnv* env);
197extern int register_android_view_PointerIcon(JNIEnv* env);
198extern int register_android_view_VelocityTracker(JNIEnv* env);
199extern int register_android_content_res_ObbScanner(JNIEnv* env);
200extern int register_android_content_res_Configuration(JNIEnv* env);
201extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
202extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
203extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
204extern int register_com_android_internal_os_PathClassLoaderFactory(JNIEnv* env);
205extern int register_com_android_internal_os_Zygote(JNIEnv *env);
206extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
207
208static AndroidRuntime* gCurRuntime = NULL;
209
210/*
211 * Code written in the Java Programming Language calls here from main().
212 */
213static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
214{
215    gCurRuntime->onStarted();
216}
217
218static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
219{
220    gCurRuntime->onZygoteInit();
221}
222
223static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
224        jobject clazz, jboolean exitWithoutCleanup)
225{
226    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
227}
228
229/*
230 * JNI registration.
231 */
232static const JNINativeMethod gMethods[] = {
233    { "nativeFinishInit", "()V",
234        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
235    { "nativeZygoteInit", "()V",
236        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
237    { "nativeSetExitWithoutCleanup", "(Z)V",
238        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
239};
240
241int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
242{
243    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
244        gMethods, NELEM(gMethods));
245}
246
247// ----------------------------------------------------------------------
248
249/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
250
251AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
252        mExitWithoutCleanup(false),
253        mArgBlockStart(argBlockStart),
254        mArgBlockLength(argBlockLength)
255{
256    SkGraphics::Init();
257    // There is also a global font cache, but its budget is specified by
258    // SK_DEFAULT_FONT_CACHE_COUNT_LIMIT and SK_DEFAULT_FONT_CACHE_LIMIT.
259
260    // Pre-allocate enough space to hold a fair number of options.
261    mOptions.setCapacity(20);
262
263    assert(gCurRuntime == NULL);        // one per process
264    gCurRuntime = this;
265}
266
267AndroidRuntime::~AndroidRuntime()
268{
269    SkGraphics::Term();
270}
271
272/*
273 * Register native methods using JNI.
274 */
275/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
276    const char* className, const JNINativeMethod* gMethods, int numMethods)
277{
278    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
279}
280
281void AndroidRuntime::setArgv0(const char* argv0) {
282    memset(mArgBlockStart, 0, mArgBlockLength);
283    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
284}
285
286status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
287    const Vector<String8>& args)
288{
289    JNIEnv* env;
290    jmethodID methodId;
291
292    ALOGD("Calling main entry %s", className.string());
293
294    env = getJNIEnv();
295    if (clazz == NULL || env == NULL) {
296        return UNKNOWN_ERROR;
297    }
298
299    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
300    if (methodId == NULL) {
301        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
302        return UNKNOWN_ERROR;
303    }
304
305    /*
306     * We want to call main() with a String array with our arguments in it.
307     * Create an array and populate it.
308     */
309    jclass stringClass;
310    jobjectArray strArray;
311
312    const size_t numArgs = args.size();
313    stringClass = env->FindClass("java/lang/String");
314    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
315
316    for (size_t i = 0; i < numArgs; i++) {
317        jstring argStr = env->NewStringUTF(args[i].string());
318        env->SetObjectArrayElement(strArray, i, argStr);
319    }
320
321    env->CallStaticVoidMethod(clazz, methodId, strArray);
322    return NO_ERROR;
323}
324
325/*
326 * The VM calls this through the "exit" hook.
327 */
328static void runtime_exit(int code)
329{
330    gCurRuntime->exit(code);
331}
332
333/*
334 * The VM calls this through the "vfprintf" hook.
335 *
336 * We ignore "fp" and just write the results to the log file.
337 */
338static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
339{
340    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
341}
342
343/**
344 * The VM calls this when mutex contention debugging is enabled to
345 * determine whether or not the blocked thread was a "sensitive thread"
346 * for user responsiveness/smoothess.
347 *
348 * Our policy for this is whether or not we're tracing any StrictMode
349 * events on this thread (which we might've inherited via Binder calls
350 * into us)
351 */
352static bool runtime_isSensitiveThread() {
353    IPCThreadState* state = IPCThreadState::selfOrNull();
354    return state && state->getStrictModePolicy() != 0;
355}
356
357static int hasDir(const char* dir)
358{
359    struct stat s;
360    int res = stat(dir, &s);
361    if (res == 0) {
362        return S_ISDIR(s.st_mode);
363    }
364    return 0;
365}
366
367static bool hasFile(const char* file) {
368    struct stat s;
369    int res = stat(file, &s);
370    if (res == 0) {
371        return S_ISREG(s.st_mode);
372    }
373    return false;
374}
375
376// Convenience wrapper over the property API that returns an
377// std::string.
378std::string getProperty(const char* key, const char* defaultValue) {
379    std::vector<char> temp(PROPERTY_VALUE_MAX);
380    const int len = property_get(key, &temp[0], defaultValue);
381    if (len < 0) {
382        return "";
383    }
384    return std::string(&temp[0], len);
385}
386
387/*
388 * Read the persistent locale. Inspects the following system properties
389 * (in order) and returns the first non-empty property in the list :
390 *
391 * (1) persist.sys.locale
392 * (2) persist.sys.language/country/localevar (country and localevar are
393 * inspected iff. language is non-empty.
394 * (3) ro.product.locale
395 * (4) ro.product.locale.language/region
396 *
397 * Note that we need to inspect persist.sys.language/country/localevar to
398 * preserve language settings for devices that are upgrading from Lollipop
399 * to M. The same goes for ro.product.locale.language/region as well.
400 */
401const std::string readLocale()
402{
403    const std::string locale = getProperty("persist.sys.locale", "");
404    if (!locale.empty()) {
405        return locale;
406    }
407
408    const std::string language = getProperty("persist.sys.language", "");
409    if (!language.empty()) {
410        const std::string country = getProperty("persist.sys.country", "");
411        const std::string variant = getProperty("persist.sys.localevar", "");
412
413        std::string out = language;
414        if (!country.empty()) {
415            out = out + "-" + country;
416        }
417
418        if (!variant.empty()) {
419            out = out + "-" + variant;
420        }
421
422        return out;
423    }
424
425    const std::string productLocale = getProperty("ro.product.locale", "");
426    if (!productLocale.empty()) {
427        return productLocale;
428    }
429
430    // If persist.sys.locale and ro.product.locale are missing,
431    // construct a locale value from the individual locale components.
432    const std::string productLanguage = getProperty("ro.product.locale.language", "en");
433    const std::string productRegion = getProperty("ro.product.locale.region", "US");
434
435    return productLanguage + "-" + productRegion;
436}
437
438void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
439{
440    JavaVMOption opt;
441    opt.optionString = optionString;
442    opt.extraInfo = extraInfo;
443    mOptions.add(opt);
444}
445
446/*
447 * Parse a property containing space-separated options that should be
448 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
449 *
450 * This will cut up "extraOptsBuf" as we chop it into individual options.
451 *
452 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
453 *
454 * Adds the strings, if any, to mOptions.
455 */
456void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
457{
458    char* start = extraOptsBuf;
459    char* end = NULL;
460    while (*start != '\0') {
461        while (*start == ' ')                   /* skip leading whitespace */
462            start++;
463        if (*start == '\0')                     /* was trailing ws, bail */
464            break;
465
466        end = start+1;
467        while (*end != ' ' && *end != '\0')     /* find end of token */
468            end++;
469        if (*end == ' ')
470            *end++ = '\0';          /* mark end, advance to indicate more */
471
472        if (quotingArg != NULL) {
473            addOption(quotingArg);
474        }
475        addOption(start);
476        start = end;
477    }
478}
479
480/*
481 * Reads a "property" into "buffer" with a default of "defaultArg". If
482 * the property is non-empty, it is treated as a runtime option such
483 * as "-Xmx32m".
484 *
485 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
486 *
487 * If an argument is found, it is added to mOptions.
488 *
489 * If an option is found, it is added to mOptions and true is
490 * returned. Otherwise false is returned.
491 */
492bool AndroidRuntime::parseRuntimeOption(const char* property,
493                                        char* buffer,
494                                        const char* runtimeArg,
495                                        const char* defaultArg)
496{
497    strcpy(buffer, runtimeArg);
498    size_t runtimeArgLen = strlen(runtimeArg);
499    property_get(property, buffer+runtimeArgLen, defaultArg);
500    if (buffer[runtimeArgLen] == '\0') {
501        return false;
502    }
503    addOption(buffer);
504    return true;
505}
506
507/*
508 * Reads a "property" into "buffer". If the property is non-empty, it
509 * is treated as a dex2oat compiler option that should be
510 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
511 *
512 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
513 *
514 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
515 *
516 * If an option is found, it is added to mOptions and true is
517 * returned. Otherwise false is returned.
518 */
519bool AndroidRuntime::parseCompilerOption(const char* property,
520                                         char* buffer,
521                                         const char* compilerArg,
522                                         const char* quotingArg)
523{
524    strcpy(buffer, compilerArg);
525    size_t compilerArgLen = strlen(compilerArg);
526    property_get(property, buffer+compilerArgLen, "");
527    if (buffer[compilerArgLen] == '\0') {
528        return false;
529    }
530    addOption(quotingArg);
531    addOption(buffer);
532    return true;
533}
534
535/*
536 * Reads a "property" into "buffer". If the property is non-empty, it
537 * is treated as a dex2oat compiler runtime option that should be
538 * passed as a quoted option, e.g. "-Ximage-compiler-option
539 * --runtime-arg -Ximage-compiler-option -Xmx32m".
540 *
541 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
542 *
543 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
544 *
545 * If an option is found, it is added to mOptions and true is
546 * returned. Otherwise false is returned.
547 */
548bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
549                                                char* buffer,
550                                                const char* runtimeArg,
551                                                const char* quotingArg)
552{
553    strcpy(buffer, runtimeArg);
554    size_t runtimeArgLen = strlen(runtimeArg);
555    property_get(property, buffer+runtimeArgLen, "");
556    if (buffer[runtimeArgLen] == '\0') {
557        return false;
558    }
559    addOption(quotingArg);
560    addOption("--runtime-arg");
561    addOption(quotingArg);
562    addOption(buffer);
563    return true;
564}
565
566/*
567 * Start the Dalvik Virtual Machine.
568 *
569 * Various arguments, most determined by system properties, are passed in.
570 * The "mOptions" vector is updated.
571 *
572 * CAUTION: when adding options in here, be careful not to put the
573 * char buffer inside a nested scope.  Adding the buffer to the
574 * options using mOptions.add() does not copy the buffer, so if the
575 * buffer goes out of scope the option may be overwritten.  It's best
576 * to put the buffer at the top of the function so that it is more
577 * unlikely that someone will surround it in a scope at a later time
578 * and thus introduce a bug.
579 *
580 * Returns 0 on success.
581 */
582int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote)
583{
584    JavaVMInitArgs initArgs;
585    char propBuf[PROPERTY_VALUE_MAX];
586    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
587    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
588    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
589    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
590    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
591    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
592    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
593    char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX];
594    char jitmaxsizeOptsBuf[sizeof("-Xjitmaxsize:")-1 + PROPERTY_VALUE_MAX];
595    char jitinitialsizeOptsBuf[sizeof("-Xjitinitialsize:")-1 + PROPERTY_VALUE_MAX];
596    char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX];
597    char useJitProfilesOptsBuf[sizeof("-Xjitsaveprofilinginfo:")-1 + PROPERTY_VALUE_MAX];
598    char jitprithreadweightOptBuf[sizeof("-Xjitprithreadweight:")-1 + PROPERTY_VALUE_MAX];
599    char jittransitionweightOptBuf[sizeof("-Xjittransitionweight:")-1 + PROPERTY_VALUE_MAX];
600    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
601    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
602    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
603    char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX];
604    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
605    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
606    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
607    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
608    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
609    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
610    char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
611    char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
612    char dex2oat_isa_variant_key[PROPERTY_KEY_MAX];
613    char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX];
614    char dex2oat_isa_features_key[PROPERTY_KEY_MAX];
615    char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX];
616    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
617    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
618    char extraOptsBuf[PROPERTY_VALUE_MAX];
619    char voldDecryptBuf[PROPERTY_VALUE_MAX];
620    enum {
621      kEMDefault,
622      kEMIntPortable,
623      kEMIntFast,
624      kEMJitCompiler,
625    } executionMode = kEMDefault;
626    char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX];
627    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
628    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
629    char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX];
630    char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX];
631    char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX];
632    char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX];
633
634    bool checkJni = false;
635    property_get("dalvik.vm.checkjni", propBuf, "");
636    if (strcmp(propBuf, "true") == 0) {
637        checkJni = true;
638    } else if (strcmp(propBuf, "false") != 0) {
639        /* property is neither true nor false; fall back on kernel parameter */
640        property_get("ro.kernel.android.checkjni", propBuf, "");
641        if (propBuf[0] == '1') {
642            checkJni = true;
643        }
644    }
645    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
646    if (checkJni) {
647        /* extended JNI checking */
648        addOption("-Xcheck:jni");
649
650        /* with -Xcheck:jni, this provides a JNI function call trace */
651        //addOption("-verbose:jni");
652    }
653
654    property_get("dalvik.vm.execution-mode", propBuf, "");
655    if (strcmp(propBuf, "int:portable") == 0) {
656        executionMode = kEMIntPortable;
657    } else if (strcmp(propBuf, "int:fast") == 0) {
658        executionMode = kEMIntFast;
659    } else if (strcmp(propBuf, "int:jit") == 0) {
660        executionMode = kEMJitCompiler;
661    }
662
663    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
664
665    strcpy(jniOptsBuf, "-Xjniopts:");
666    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
667        ALOGI("JNI options: '%s'\n", jniOptsBuf);
668    }
669
670    /* route exit() to our handler */
671    addOption("exit", (void*) runtime_exit);
672
673    /* route fprintf() to our handler */
674    addOption("vfprintf", (void*) runtime_vfprintf);
675
676    /* register the framework-specific "is sensitive thread" hook */
677    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
678
679    /* enable verbose; standard options are { jni, gc, class } */
680    //addOption("-verbose:jni");
681    addOption("-verbose:gc");
682    //addOption("-verbose:class");
683
684    /*
685     * The default starting and maximum size of the heap.  Larger
686     * values should be specified in a product property override.
687     */
688    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
689    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
690
691    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
692    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
693    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
694    parseRuntimeOption("dalvik.vm.heaptargetutilization",
695                       heaptargetutilizationOptsBuf,
696                       "-XX:HeapTargetUtilization=");
697
698    /*
699     * JIT related options.
700     */
701    parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:");
702    parseRuntimeOption("dalvik.vm.jitmaxsize", jitmaxsizeOptsBuf, "-Xjitmaxsize:");
703    parseRuntimeOption("dalvik.vm.jitinitialsize", jitinitialsizeOptsBuf, "-Xjitinitialsize:");
704    parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:");
705    property_get("dalvik.vm.usejitprofiles", useJitProfilesOptsBuf, "");
706    if (strcmp(useJitProfilesOptsBuf, "true") == 0) {
707        addOption("-Xjitsaveprofilinginfo");
708    }
709
710    parseRuntimeOption("dalvik.vm.jitprithreadweight",
711                       jitprithreadweightOptBuf,
712                       "-Xjitprithreadweight:");
713
714    parseRuntimeOption("dalvik.vm.jittransitionweight",
715                       jittransitionweightOptBuf,
716                       "-Xjittransitionweight:");
717
718    property_get("ro.config.low_ram", propBuf, "");
719    if (strcmp(propBuf, "true") == 0) {
720      addOption("-XX:LowMemoryMode");
721    }
722
723    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
724    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
725
726    /*
727     * Enable debugging only for apps forked from zygote.
728     * Set suspend=y to pause during VM init and use android ADB transport.
729     */
730    if (zygote) {
731      addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
732    }
733
734    parseRuntimeOption("dalvik.vm.lockprof.threshold",
735                       lockProfThresholdBuf,
736                       "-Xlockprofthreshold:");
737
738    if (executionMode == kEMIntPortable) {
739        addOption("-Xint:portable");
740    } else if (executionMode == kEMIntFast) {
741        addOption("-Xint:fast");
742    } else if (executionMode == kEMJitCompiler) {
743        addOption("-Xint:jit");
744    }
745
746    // If we are booting without the real /data, don't spend time compiling.
747    property_get("vold.decrypt", voldDecryptBuf, "");
748    bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
749                             (strcmp(voldDecryptBuf, "1") == 0));
750
751    // Extra options for boot.art/boot.oat image generation.
752    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
753                               "-Xms", "-Ximage-compiler-option");
754    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
755                               "-Xmx", "-Ximage-compiler-option");
756    if (skip_compilation) {
757        addOption("-Ximage-compiler-option");
758        addOption("--compiler-filter=verify-none");
759    } else {
760        parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
761                            "--compiler-filter=", "-Ximage-compiler-option");
762    }
763
764    // Make sure there is a preloaded-classes file.
765    if (!hasFile("/system/etc/preloaded-classes")) {
766        ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
767              strerror(errno));
768        return -1;
769    }
770    addOption("-Ximage-compiler-option");
771    addOption("--image-classes=/system/etc/preloaded-classes");
772
773    // If there is a compiled-classes file, push it.
774    if (hasFile("/system/etc/compiled-classes")) {
775        addOption("-Ximage-compiler-option");
776        addOption("--compiled-classes=/system/etc/compiled-classes");
777    }
778
779    property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
780    parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
781
782    // Extra options for DexClassLoader.
783    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
784                               "-Xms", "-Xcompiler-option");
785    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
786                               "-Xmx", "-Xcompiler-option");
787    if (skip_compilation) {
788        addOption("-Xcompiler-option");
789        addOption("--compiler-filter=verify-none");
790
791        // We skip compilation when a minimal runtime is brought up for decryption. In that case
792        // /data is temporarily backed by a tmpfs, which is usually small.
793        // If the system image contains prebuilts, they will be relocated into the tmpfs. In this
794        // specific situation it is acceptable to *not* relocate and run out of the prebuilts
795        // directly instead.
796        addOption("--runtime-arg");
797        addOption("-Xnorelocate");
798    } else {
799        parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
800                            "--compiler-filter=", "-Xcompiler-option");
801    }
802    parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option");
803    parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j",
804                        "-Ximage-compiler-option");
805
806    // The runtime will compile a boot image, when necessary, not using installd. Thus, we need to
807    // pass the instruction-set-features/variant as an image-compiler-option.
808    // TODO: Find a better way for the instruction-set.
809#if defined(__arm__)
810    constexpr const char* instruction_set = "arm";
811#elif defined(__aarch64__)
812    constexpr const char* instruction_set = "arm64";
813#elif defined(__mips__) && !defined(__LP64__)
814    constexpr const char* instruction_set = "mips";
815#elif defined(__mips__) && defined(__LP64__)
816    constexpr const char* instruction_set = "mips64";
817#elif defined(__i386__)
818    constexpr const char* instruction_set = "x86";
819#elif defined(__x86_64__)
820    constexpr const char* instruction_set = "x86_64";
821#else
822    constexpr const char* instruction_set = "unknown";
823#endif
824    // Note: it is OK to reuse the buffer, as the values are exactly the same between
825    //       * compiler-option, used for runtime compilation (DexClassLoader)
826    //       * image-compiler-option, used for boot-image compilation on device
827
828    // Copy the variant.
829    sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set);
830    parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
831                        "--instruction-set-variant=", "-Ximage-compiler-option");
832    parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
833                        "--instruction-set-variant=", "-Xcompiler-option");
834    // Copy the features.
835    sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set);
836    parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
837                        "--instruction-set-features=", "-Ximage-compiler-option");
838    parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
839                        "--instruction-set-features=", "-Xcompiler-option");
840
841
842    property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
843    parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
844
845    /* extra options; parse this late so it overrides others */
846    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
847    parseExtraOpts(extraOptsBuf, NULL);
848
849    /* Set the properties for locale */
850    {
851        strcpy(localeOption, "-Duser.locale=");
852        const std::string locale = readLocale();
853        strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX);
854        addOption(localeOption);
855    }
856
857    // Trace files are stored in /data/misc/trace which is writable only in debug mode.
858    property_get("ro.debuggable", propBuf, "0");
859    if (strcmp(propBuf, "1") == 0) {
860        property_get("dalvik.vm.method-trace", propBuf, "false");
861        if (strcmp(propBuf, "true") == 0) {
862            addOption("-Xmethod-trace");
863            parseRuntimeOption("dalvik.vm.method-trace-file",
864                               methodTraceFileBuf,
865                               "-Xmethod-trace-file:");
866            parseRuntimeOption("dalvik.vm.method-trace-file-siz",
867                               methodTraceFileSizeBuf,
868                               "-Xmethod-trace-file-size:");
869            property_get("dalvik.vm.method-trace-stream", propBuf, "false");
870            if (strcmp(propBuf, "true") == 0) {
871                addOption("-Xmethod-trace-stream");
872            }
873        }
874    }
875
876    // Native bridge library. "0" means that native bridge is disabled.
877    property_get("ro.dalvik.vm.native.bridge", propBuf, "");
878    if (propBuf[0] == '\0') {
879        ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
880    } else if (strcmp(propBuf, "0") != 0) {
881        snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
882                 "-XX:NativeBridge=%s", propBuf);
883        addOption(nativeBridgeLibrary);
884    }
885
886#if defined(__LP64__)
887    const char* cpu_abilist_property_name = "ro.product.cpu.abilist64";
888#else
889    const char* cpu_abilist_property_name = "ro.product.cpu.abilist32";
890#endif  // defined(__LP64__)
891    property_get(cpu_abilist_property_name, propBuf, "");
892    if (propBuf[0] == '\0') {
893        ALOGE("%s is not expected to be empty", cpu_abilist_property_name);
894        return -1;
895    }
896    snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf);
897    addOption(cpuAbiListBuf);
898
899    // Dalvik-cache pruning counter.
900    parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf,
901                       "-Xzygote-max-boot-retry=");
902
903    /*
904     * When running with debug.generate-debug-info, add --generate-debug-info to
905     * the compiler options so that the boot image, if it is compiled on device,
906     * will include native debugging information.
907     */
908    property_get("debug.generate-debug-info", propBuf, "");
909    if (strcmp(propBuf, "true") == 0) {
910        addOption("-Xcompiler-option");
911        addOption("--generate-debug-info");
912        addOption("-Ximage-compiler-option");
913        addOption("--generate-debug-info");
914    }
915
916    /*
917     * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will
918     * contain the fingerprint and can be parsed.
919     */
920    parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:");
921
922    initArgs.version = JNI_VERSION_1_4;
923    initArgs.options = mOptions.editArray();
924    initArgs.nOptions = mOptions.size();
925    initArgs.ignoreUnrecognized = JNI_FALSE;
926
927    /*
928     * Initialize the VM.
929     *
930     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
931     * If this call succeeds, the VM is ready, and we can start issuing
932     * JNI calls.
933     */
934    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
935        ALOGE("JNI_CreateJavaVM failed\n");
936        return -1;
937    }
938
939    return 0;
940}
941
942char* AndroidRuntime::toSlashClassName(const char* className)
943{
944    char* result = strdup(className);
945    for (char* cp = result; *cp != '\0'; cp++) {
946        if (*cp == '.') {
947            *cp = '/';
948        }
949    }
950    return result;
951}
952
953/** Create a Java string from an ASCII or Latin-1 string */
954jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
955    if (!bytes) return NULL;
956    int length = strlen(bytes);
957    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
958    if (!buffer) return NULL;
959    jchar* chp = buffer;
960    for (int i = 0; i < length; i++) {
961        *chp++ = *bytes++;
962    }
963    return env->NewString(buffer, length);
964}
965
966
967/*
968 * Start the Android runtime.  This involves starting the virtual machine
969 * and calling the "static void main(String[] args)" method in the class
970 * named by "className".
971 *
972 * Passes the main function two arguments, the class name and the specified
973 * options string.
974 */
975void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote)
976{
977    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
978            className != NULL ? className : "(unknown)", getuid());
979
980    static const String8 startSystemServer("start-system-server");
981
982    /*
983     * 'startSystemServer == true' means runtime is obsolete and not run from
984     * init.rc anymore, so we print out the boot start event here.
985     */
986    for (size_t i = 0; i < options.size(); ++i) {
987        if (options[i] == startSystemServer) {
988           /* track our progress through the boot sequence */
989           const int LOG_BOOT_PROGRESS_START = 3000;
990           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
991        }
992    }
993
994    const char* rootDir = getenv("ANDROID_ROOT");
995    if (rootDir == NULL) {
996        rootDir = "/system";
997        if (!hasDir("/system")) {
998            LOG_FATAL("No root directory specified, and /android does not exist.");
999            return;
1000        }
1001        setenv("ANDROID_ROOT", rootDir, 1);
1002    }
1003
1004    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
1005    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
1006
1007    /* start the virtual machine */
1008    JniInvocation jni_invocation;
1009    jni_invocation.Init(NULL);
1010    JNIEnv* env;
1011    if (startVm(&mJavaVM, &env, zygote) != 0) {
1012        return;
1013    }
1014    onVmCreated(env);
1015
1016    /*
1017     * Register android functions.
1018     */
1019    if (startReg(env) < 0) {
1020        ALOGE("Unable to register all android natives\n");
1021        return;
1022    }
1023
1024    /*
1025     * We want to call main() with a String array with arguments in it.
1026     * At present we have two arguments, the class name and an option string.
1027     * Create an array to hold them.
1028     */
1029    jclass stringClass;
1030    jobjectArray strArray;
1031    jstring classNameStr;
1032
1033    stringClass = env->FindClass("java/lang/String");
1034    assert(stringClass != NULL);
1035    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1036    assert(strArray != NULL);
1037    classNameStr = env->NewStringUTF(className);
1038    assert(classNameStr != NULL);
1039    env->SetObjectArrayElement(strArray, 0, classNameStr);
1040
1041    for (size_t i = 0; i < options.size(); ++i) {
1042        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1043        assert(optionsStr != NULL);
1044        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1045    }
1046
1047    /*
1048     * Start VM.  This thread becomes the main thread of the VM, and will
1049     * not return until the VM exits.
1050     */
1051    char* slashClassName = toSlashClassName(className);
1052    jclass startClass = env->FindClass(slashClassName);
1053    if (startClass == NULL) {
1054        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1055        /* keep going */
1056    } else {
1057        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1058            "([Ljava/lang/String;)V");
1059        if (startMeth == NULL) {
1060            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1061            /* keep going */
1062        } else {
1063            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1064
1065#if 0
1066            if (env->ExceptionCheck())
1067                threadExitUncaughtException(env);
1068#endif
1069        }
1070    }
1071    free(slashClassName);
1072
1073    ALOGD("Shutting down VM\n");
1074    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1075        ALOGW("Warning: unable to detach main thread\n");
1076    if (mJavaVM->DestroyJavaVM() != 0)
1077        ALOGW("Warning: VM did not shut down cleanly\n");
1078}
1079
1080void AndroidRuntime::exit(int code)
1081{
1082    if (mExitWithoutCleanup) {
1083        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1084        ::_exit(code);
1085    } else {
1086        ALOGI("VM exiting with result code %d.", code);
1087        onExit(code);
1088        ::exit(code);
1089    }
1090}
1091
1092void AndroidRuntime::onVmCreated(JNIEnv* env)
1093{
1094    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1095}
1096
1097/*
1098 * Get the JNIEnv pointer for this thread.
1099 *
1100 * Returns NULL if the slot wasn't allocated or populated.
1101 */
1102/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1103{
1104    JNIEnv* env;
1105    JavaVM* vm = AndroidRuntime::getJavaVM();
1106    assert(vm != NULL);
1107
1108    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1109        return NULL;
1110    return env;
1111}
1112
1113/*
1114 * Makes the current thread visible to the VM.
1115 *
1116 * The JNIEnv pointer returned is only valid for the current thread, and
1117 * thus must be tucked into thread-local storage.
1118 */
1119static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1120{
1121    JavaVMAttachArgs args;
1122    JavaVM* vm;
1123    jint result;
1124
1125    vm = AndroidRuntime::getJavaVM();
1126    assert(vm != NULL);
1127
1128    args.version = JNI_VERSION_1_4;
1129    args.name = (char*) threadName;
1130    args.group = NULL;
1131
1132    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1133    if (result != JNI_OK)
1134        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1135
1136    return result;
1137}
1138
1139/*
1140 * Detach the current thread from the set visible to the VM.
1141 */
1142static int javaDetachThread(void)
1143{
1144    JavaVM* vm;
1145    jint result;
1146
1147    vm = AndroidRuntime::getJavaVM();
1148    assert(vm != NULL);
1149
1150    result = vm->DetachCurrentThread();
1151    if (result != JNI_OK)
1152        ALOGE("ERROR: thread detach failed\n");
1153    return result;
1154}
1155
1156/*
1157 * When starting a native thread that will be visible from the VM, we
1158 * bounce through this to get the right attach/detach action.
1159 * Note that this function calls free(args)
1160 */
1161/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1162    void* start = ((void**)args)[0];
1163    void* userData = ((void **)args)[1];
1164    char* name = (char*) ((void **)args)[2];        // we own this storage
1165    free(args);
1166    JNIEnv* env;
1167    int result;
1168
1169    /* hook us into the VM */
1170    if (javaAttachThread(name, &env) != JNI_OK)
1171        return -1;
1172
1173    /* start the thread running */
1174    result = (*(android_thread_func_t)start)(userData);
1175
1176    /* unhook us */
1177    javaDetachThread();
1178    free(name);
1179
1180    return result;
1181}
1182
1183/*
1184 * This is invoked from androidCreateThreadEtc() via the callback
1185 * set with androidSetCreateThreadFunc().
1186 *
1187 * We need to create the new thread in such a way that it gets hooked
1188 * into the VM before it really starts executing.
1189 */
1190/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1191                                android_thread_func_t entryFunction,
1192                                void* userData,
1193                                const char* threadName,
1194                                int32_t threadPriority,
1195                                size_t threadStackSize,
1196                                android_thread_id_t* threadId)
1197{
1198    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1199    int result;
1200
1201    LOG_ALWAYS_FATAL_IF(threadName == nullptr, "threadName not provided to javaCreateThreadEtc");
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_util_MemoryIntArray),
1269    REG_JNI(register_android_util_PathParser),
1270    REG_JNI(register_android_app_admin_SecurityLog),
1271    REG_JNI(register_android_content_AssetManager),
1272    REG_JNI(register_android_content_StringBlock),
1273    REG_JNI(register_android_content_XmlBlock),
1274    REG_JNI(register_android_text_AndroidCharacter),
1275    REG_JNI(register_android_text_StaticLayout),
1276    REG_JNI(register_android_text_AndroidBidi),
1277    REG_JNI(register_android_view_InputDevice),
1278    REG_JNI(register_android_view_KeyCharacterMap),
1279    REG_JNI(register_android_os_Process),
1280    REG_JNI(register_android_os_SystemProperties),
1281    REG_JNI(register_android_os_Binder),
1282    REG_JNI(register_android_os_Parcel),
1283    REG_JNI(register_android_nio_utils),
1284    REG_JNI(register_android_graphics_Canvas),
1285    REG_JNI(register_android_graphics_Graphics),
1286    REG_JNI(register_android_view_DisplayEventReceiver),
1287    REG_JNI(register_android_view_RenderNode),
1288    REG_JNI(register_android_view_RenderNodeAnimator),
1289    REG_JNI(register_android_view_GraphicBuffer),
1290    REG_JNI(register_android_view_DisplayListCanvas),
1291    REG_JNI(register_android_view_HardwareLayer),
1292    REG_JNI(register_android_view_ThreadedRenderer),
1293    REG_JNI(register_android_view_Surface),
1294    REG_JNI(register_android_view_SurfaceControl),
1295    REG_JNI(register_android_view_SurfaceSession),
1296    REG_JNI(register_android_view_TextureView),
1297    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1298    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1299    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1300    REG_JNI(register_android_opengl_jni_EGL14),
1301    REG_JNI(register_android_opengl_jni_EGLExt),
1302    REG_JNI(register_android_opengl_jni_GLES10),
1303    REG_JNI(register_android_opengl_jni_GLES10Ext),
1304    REG_JNI(register_android_opengl_jni_GLES11),
1305    REG_JNI(register_android_opengl_jni_GLES11Ext),
1306    REG_JNI(register_android_opengl_jni_GLES20),
1307    REG_JNI(register_android_opengl_jni_GLES30),
1308    REG_JNI(register_android_opengl_jni_GLES31),
1309    REG_JNI(register_android_opengl_jni_GLES31Ext),
1310    REG_JNI(register_android_opengl_jni_GLES32),
1311
1312    REG_JNI(register_android_graphics_Bitmap),
1313    REG_JNI(register_android_graphics_BitmapFactory),
1314    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1315    REG_JNI(register_android_graphics_Camera),
1316    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1317    REG_JNI(register_android_graphics_CanvasProperty),
1318    REG_JNI(register_android_graphics_ColorFilter),
1319    REG_JNI(register_android_graphics_DrawFilter),
1320    REG_JNI(register_android_graphics_FontFamily),
1321    REG_JNI(register_android_graphics_Interpolator),
1322    REG_JNI(register_android_graphics_LayerRasterizer),
1323    REG_JNI(register_android_graphics_MaskFilter),
1324    REG_JNI(register_android_graphics_Matrix),
1325    REG_JNI(register_android_graphics_Movie),
1326    REG_JNI(register_android_graphics_NinePatch),
1327    REG_JNI(register_android_graphics_Paint),
1328    REG_JNI(register_android_graphics_Path),
1329    REG_JNI(register_android_graphics_PathMeasure),
1330    REG_JNI(register_android_graphics_PathEffect),
1331    REG_JNI(register_android_graphics_Picture),
1332    REG_JNI(register_android_graphics_PorterDuff),
1333    REG_JNI(register_android_graphics_Rasterizer),
1334    REG_JNI(register_android_graphics_Region),
1335    REG_JNI(register_android_graphics_Shader),
1336    REG_JNI(register_android_graphics_SurfaceTexture),
1337    REG_JNI(register_android_graphics_Typeface),
1338    REG_JNI(register_android_graphics_Xfermode),
1339    REG_JNI(register_android_graphics_YuvImage),
1340    REG_JNI(register_android_graphics_drawable_AnimatedVectorDrawable),
1341    REG_JNI(register_android_graphics_drawable_VectorDrawable),
1342    REG_JNI(register_android_graphics_pdf_PdfDocument),
1343    REG_JNI(register_android_graphics_pdf_PdfEditor),
1344    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1345
1346    REG_JNI(register_android_database_CursorWindow),
1347    REG_JNI(register_android_database_SQLiteConnection),
1348    REG_JNI(register_android_database_SQLiteGlobal),
1349    REG_JNI(register_android_database_SQLiteDebug),
1350    REG_JNI(register_android_os_Debug),
1351    REG_JNI(register_android_os_FileObserver),
1352    REG_JNI(register_android_os_GraphicsEnvironment),
1353    REG_JNI(register_android_os_MessageQueue),
1354    REG_JNI(register_android_os_SELinux),
1355    REG_JNI(register_android_os_Trace),
1356    REG_JNI(register_android_os_UEventObserver),
1357    REG_JNI(register_android_net_LocalSocketImpl),
1358    REG_JNI(register_android_net_NetworkUtils),
1359    REG_JNI(register_android_net_TrafficStats),
1360    REG_JNI(register_android_os_MemoryFile),
1361    REG_JNI(register_com_android_internal_os_PathClassLoaderFactory),
1362    REG_JNI(register_com_android_internal_os_Zygote),
1363    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1364    REG_JNI(register_android_hardware_Camera),
1365    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1366    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1367    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1368    REG_JNI(register_android_hardware_camera2_DngCreator),
1369    REG_JNI(register_android_hardware_Radio),
1370    REG_JNI(register_android_hardware_SensorManager),
1371    REG_JNI(register_android_hardware_SerialPort),
1372    REG_JNI(register_android_hardware_SoundTrigger),
1373    REG_JNI(register_android_hardware_UsbDevice),
1374    REG_JNI(register_android_hardware_UsbDeviceConnection),
1375    REG_JNI(register_android_hardware_UsbRequest),
1376    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1377    REG_JNI(register_android_hardware_location_ContextHubService),
1378    REG_JNI(register_android_media_AudioRecord),
1379    REG_JNI(register_android_media_AudioSystem),
1380    REG_JNI(register_android_media_AudioTrack),
1381    REG_JNI(register_android_media_JetPlayer),
1382    REG_JNI(register_android_media_RemoteDisplay),
1383    REG_JNI(register_android_media_ToneGenerator),
1384
1385    REG_JNI(register_android_opengl_classes),
1386    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1387    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1388    REG_JNI(register_android_backup_BackupDataInput),
1389    REG_JNI(register_android_backup_BackupDataOutput),
1390    REG_JNI(register_android_backup_FileBackupHelperBase),
1391    REG_JNI(register_android_backup_BackupHelperDispatcher),
1392    REG_JNI(register_android_app_backup_FullBackup),
1393    REG_JNI(register_android_app_Activity),
1394    REG_JNI(register_android_app_ActivityThread),
1395    REG_JNI(register_android_app_ApplicationLoaders),
1396    REG_JNI(register_android_app_NativeActivity),
1397    REG_JNI(register_android_util_jar_StrictJarFile),
1398    REG_JNI(register_android_view_InputChannel),
1399    REG_JNI(register_android_view_InputEventReceiver),
1400    REG_JNI(register_android_view_InputEventSender),
1401    REG_JNI(register_android_view_InputQueue),
1402    REG_JNI(register_android_view_KeyEvent),
1403    REG_JNI(register_android_view_MotionEvent),
1404    REG_JNI(register_android_view_PointerIcon),
1405    REG_JNI(register_android_view_VelocityTracker),
1406
1407    REG_JNI(register_android_content_res_ObbScanner),
1408    REG_JNI(register_android_content_res_Configuration),
1409
1410    REG_JNI(register_android_animation_PropertyValuesHolder),
1411    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1412    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1413
1414};
1415
1416/*
1417 * Register android native functions with the VM.
1418 */
1419/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1420{
1421    ATRACE_NAME("RegisterAndroidNatives");
1422    /*
1423     * This hook causes all future threads created in this process to be
1424     * attached to the JavaVM.  (This needs to go away in favor of JNI
1425     * Attach calls.)
1426     */
1427    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1428
1429    ALOGV("--- registering native functions ---\n");
1430
1431    /*
1432     * Every "register" function calls one or more things that return
1433     * a local reference (e.g. FindClass).  Because we haven't really
1434     * started the VM yet, they're all getting stored in the base frame
1435     * and never released.  Use Push/Pop to manage the storage.
1436     */
1437    env->PushLocalFrame(200);
1438
1439    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1440        env->PopLocalFrame(NULL);
1441        return -1;
1442    }
1443    env->PopLocalFrame(NULL);
1444
1445    //createJavaThread("fubar", quickTest, (void*) "hello");
1446
1447    return 0;
1448}
1449
1450AndroidRuntime* AndroidRuntime::getRuntime()
1451{
1452    return gCurRuntime;
1453}
1454
1455/**
1456 * Used by surface flinger's DdmConnection to register native methods from
1457 * the framework.
1458 */
1459extern "C" jint registerFrameworkNatives(JNIEnv* env) {
1460    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1461}
1462}   // namespace android
1463