AndroidRuntime.cpp revision 434a481b2191562582c79be29f24c2e0b5ca60d0 
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_graphics_Canvas(JNIEnv* env);
116extern int register_android_graphics_CanvasProperty(JNIEnv* env);
117extern int register_android_graphics_ColorFilter(JNIEnv* env);
118extern int register_android_graphics_DrawFilter(JNIEnv* env);
119extern int register_android_graphics_FontFamily(JNIEnv* env);
120extern int register_android_graphics_LayerRasterizer(JNIEnv*);
121extern int register_android_graphics_Matrix(JNIEnv* env);
122extern int register_android_graphics_Paint(JNIEnv* env);
123extern int register_android_graphics_Path(JNIEnv* env);
124extern int register_android_graphics_PathMeasure(JNIEnv* env);
125extern int register_android_graphics_Picture(JNIEnv*);
126extern int register_android_graphics_PorterDuff(JNIEnv* env);
127extern int register_android_graphics_Rasterizer(JNIEnv* env);
128extern int register_android_graphics_Region(JNIEnv* env);
129extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
130extern int register_android_graphics_Xfermode(JNIEnv* env);
131extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
132extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
133extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
134extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
135extern int register_android_view_DisplayListCanvas(JNIEnv* env);
136extern int register_android_view_GraphicBuffer(JNIEnv* env);
137extern int register_android_view_HardwareLayer(JNIEnv* env);
138extern int register_android_view_RenderNode(JNIEnv* env);
139extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
140extern int register_android_view_Surface(JNIEnv* env);
141extern int register_android_view_SurfaceControl(JNIEnv* env);
142extern int register_android_view_SurfaceSession(JNIEnv* env);
143extern int register_android_view_TextureView(JNIEnv* env);
144extern int register_android_view_ThreadedRenderer(JNIEnv* env);
145extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
146extern int register_android_database_CursorWindow(JNIEnv* env);
147extern int register_android_database_SQLiteConnection(JNIEnv* env);
148extern int register_android_database_SQLiteGlobal(JNIEnv* env);
149extern int register_android_database_SQLiteDebug(JNIEnv* env);
150extern int register_android_nio_utils(JNIEnv* env);
151extern int register_android_os_Debug(JNIEnv* env);
152extern int register_android_os_MessageQueue(JNIEnv* env);
153extern int register_android_os_Parcel(JNIEnv* env);
154extern int register_android_os_SELinux(JNIEnv* env);
155extern int register_android_os_SystemProperties(JNIEnv *env);
156extern int register_android_os_SystemClock(JNIEnv* env);
157extern int register_android_os_Trace(JNIEnv* env);
158extern int register_android_os_FileObserver(JNIEnv *env);
159extern int register_android_os_UEventObserver(JNIEnv* env);
160extern int register_android_os_MemoryFile(JNIEnv* env);
161extern int register_android_net_LocalSocketImpl(JNIEnv* env);
162extern int register_android_net_NetworkUtils(JNIEnv* env);
163extern int register_android_net_TrafficStats(JNIEnv* env);
164extern int register_android_text_AndroidCharacter(JNIEnv *env);
165extern int register_android_text_StaticLayout(JNIEnv *env);
166extern int register_android_text_AndroidBidi(JNIEnv *env);
167extern int register_android_opengl_classes(JNIEnv *env);
168extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
169extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
170extern int register_android_backup_BackupDataInput(JNIEnv *env);
171extern int register_android_backup_BackupDataOutput(JNIEnv *env);
172extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
173extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
174extern int register_android_app_backup_FullBackup(JNIEnv *env);
175extern int register_android_app_ActivityThread(JNIEnv *env);
176extern int register_android_app_NativeActivity(JNIEnv *env);
177extern int register_android_media_RemoteDisplay(JNIEnv *env);
178extern int register_android_view_InputChannel(JNIEnv* env);
179extern int register_android_view_InputDevice(JNIEnv* env);
180extern int register_android_view_InputEventReceiver(JNIEnv* env);
181extern int register_android_view_InputEventSender(JNIEnv* env);
182extern int register_android_view_InputQueue(JNIEnv* env);
183extern int register_android_view_KeyCharacterMap(JNIEnv *env);
184extern int register_android_view_KeyEvent(JNIEnv* env);
185extern int register_android_view_MotionEvent(JNIEnv* env);
186extern int register_android_view_PointerIcon(JNIEnv* env);
187extern int register_android_view_VelocityTracker(JNIEnv* env);
188extern int register_android_content_res_ObbScanner(JNIEnv* env);
189extern int register_android_content_res_Configuration(JNIEnv* env);
190extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
191extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
192extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
193extern int register_com_android_internal_os_Zygote(JNIEnv *env);
194extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
195
196static AndroidRuntime* gCurRuntime = NULL;
197
198/*
199 * Code written in the Java Programming Language calls here from main().
200 */
201static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
202{
203    gCurRuntime->onStarted();
204}
205
206static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
207{
208    gCurRuntime->onZygoteInit();
209}
210
211static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
212        jobject clazz, jboolean exitWithoutCleanup)
213{
214    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
215}
216
217/*
218 * JNI registration.
219 */
220static const JNINativeMethod gMethods[] = {
221    { "nativeFinishInit", "()V",
222        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
223    { "nativeZygoteInit", "()V",
224        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
225    { "nativeSetExitWithoutCleanup", "(Z)V",
226        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
227};
228
229int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
230{
231    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
232        gMethods, NELEM(gMethods));
233}
234
235// ----------------------------------------------------------------------
236
237/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
238
239AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
240        mExitWithoutCleanup(false),
241        mArgBlockStart(argBlockStart),
242        mArgBlockLength(argBlockLength)
243{
244    SkGraphics::Init();
245    // There is also a global font cache, but its budget is specified by
246    // SK_DEFAULT_FONT_CACHE_COUNT_LIMIT and SK_DEFAULT_FONT_CACHE_LIMIT.
247
248    // Pre-allocate enough space to hold a fair number of options.
249    mOptions.setCapacity(20);
250
251    assert(gCurRuntime == NULL);        // one per process
252    gCurRuntime = this;
253}
254
255AndroidRuntime::~AndroidRuntime()
256{
257    SkGraphics::Term();
258}
259
260/*
261 * Register native methods using JNI.
262 */
263/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
264    const char* className, const JNINativeMethod* gMethods, int numMethods)
265{
266    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
267}
268
269void AndroidRuntime::setArgv0(const char* argv0) {
270    memset(mArgBlockStart, 0, mArgBlockLength);
271    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
272}
273
274status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
275    const Vector<String8>& args)
276{
277    JNIEnv* env;
278    jmethodID methodId;
279
280    ALOGD("Calling main entry %s", className.string());
281
282    env = getJNIEnv();
283    if (clazz == NULL || env == NULL) {
284        return UNKNOWN_ERROR;
285    }
286
287    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
288    if (methodId == NULL) {
289        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
290        return UNKNOWN_ERROR;
291    }
292
293    /*
294     * We want to call main() with a String array with our arguments in it.
295     * Create an array and populate it.
296     */
297    jclass stringClass;
298    jobjectArray strArray;
299
300    const size_t numArgs = args.size();
301    stringClass = env->FindClass("java/lang/String");
302    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
303
304    for (size_t i = 0; i < numArgs; i++) {
305        jstring argStr = env->NewStringUTF(args[i].string());
306        env->SetObjectArrayElement(strArray, i, argStr);
307    }
308
309    env->CallStaticVoidMethod(clazz, methodId, strArray);
310    return NO_ERROR;
311}
312
313/*
314 * The VM calls this through the "exit" hook.
315 */
316static void runtime_exit(int code)
317{
318    gCurRuntime->exit(code);
319}
320
321/*
322 * The VM calls this through the "vfprintf" hook.
323 *
324 * We ignore "fp" and just write the results to the log file.
325 */
326static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
327{
328    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
329}
330
331/**
332 * The VM calls this when mutex contention debugging is enabled to
333 * determine whether or not the blocked thread was a "sensitive thread"
334 * for user responsiveness/smoothess.
335 *
336 * Our policy for this is whether or not we're tracing any StrictMode
337 * events on this thread (which we might've inherited via Binder calls
338 * into us)
339 */
340static bool runtime_isSensitiveThread() {
341    IPCThreadState* state = IPCThreadState::selfOrNull();
342    return state && state->getStrictModePolicy() != 0;
343}
344
345static int hasDir(const char* dir)
346{
347    struct stat s;
348    int res = stat(dir, &s);
349    if (res == 0) {
350        return S_ISDIR(s.st_mode);
351    }
352    return 0;
353}
354
355static bool hasFile(const char* file) {
356    struct stat s;
357    int res = stat(file, &s);
358    if (res == 0) {
359        return S_ISREG(s.st_mode);
360    }
361    return false;
362}
363
364// Convenience wrapper over the property API that returns an
365// std::string.
366std::string getProperty(const char* key, const char* defaultValue) {
367    std::vector<char> temp(PROPERTY_VALUE_MAX);
368    const int len = property_get(key, &temp[0], defaultValue);
369    if (len < 0) {
370        return "";
371    }
372    return std::string(&temp[0], len);
373}
374
375/*
376 * Read the persistent locale. Inspects the following system properties
377 * (in order) and returns the first non-empty property in the list :
378 *
379 * (1) persist.sys.locale
380 * (2) persist.sys.language/country/localevar (country and localevar are
381 * inspected iff. language is non-empty.
382 * (3) ro.product.locale
383 * (4) ro.product.locale.language/region
384 *
385 * Note that we need to inspect persist.sys.language/country/localevar to
386 * preserve language settings for devices that are upgrading from Lollipop
387 * to M. The same goes for ro.product.locale.language/region as well.
388 */
389const std::string readLocale()
390{
391    const std::string locale = getProperty("persist.sys.locale", "");
392    if (!locale.empty()) {
393        return locale;
394    }
395
396    const std::string language = getProperty("persist.sys.language", "");
397    if (!language.empty()) {
398        const std::string country = getProperty("persist.sys.country", "");
399        const std::string variant = getProperty("persist.sys.localevar", "");
400
401        std::string out = language;
402        if (!country.empty()) {
403            out = out + "-" + country;
404        }
405
406        if (!variant.empty()) {
407            out = out + "-" + variant;
408        }
409
410        return out;
411    }
412
413    const std::string productLocale = getProperty("ro.product.locale", "");
414    if (!productLocale.empty()) {
415        return productLocale;
416    }
417
418    // If persist.sys.locale and ro.product.locale are missing,
419    // construct a locale value from the individual locale components.
420    const std::string productLanguage = getProperty("ro.product.locale.language", "en");
421    const std::string productRegion = getProperty("ro.product.locale.region", "US");
422
423    return productLanguage + "-" + productRegion;
424}
425
426void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
427{
428    JavaVMOption opt;
429    opt.optionString = optionString;
430    opt.extraInfo = extraInfo;
431    mOptions.add(opt);
432}
433
434/*
435 * Parse a property containing space-separated options that should be
436 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
437 *
438 * This will cut up "extraOptsBuf" as we chop it into individual options.
439 *
440 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
441 *
442 * Adds the strings, if any, to mOptions.
443 */
444void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
445{
446    char* start = extraOptsBuf;
447    char* end = NULL;
448    while (*start != '\0') {
449        while (*start == ' ')                   /* skip leading whitespace */
450            start++;
451        if (*start == '\0')                     /* was trailing ws, bail */
452            break;
453
454        end = start+1;
455        while (*end != ' ' && *end != '\0')     /* find end of token */
456            end++;
457        if (*end == ' ')
458            *end++ = '\0';          /* mark end, advance to indicate more */
459
460        if (quotingArg != NULL) {
461            addOption(quotingArg);
462        }
463        addOption(start);
464        start = end;
465    }
466}
467
468/*
469 * Reads a "property" into "buffer" with a default of "defaultArg". If
470 * the property is non-empty, it is treated as a runtime option such
471 * as "-Xmx32m".
472 *
473 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
474 *
475 * If an argument is found, it is added to mOptions.
476 *
477 * If an option is found, it is added to mOptions and true is
478 * returned. Otherwise false is returned.
479 */
480bool AndroidRuntime::parseRuntimeOption(const char* property,
481                                        char* buffer,
482                                        const char* runtimeArg,
483                                        const char* defaultArg)
484{
485    strcpy(buffer, runtimeArg);
486    size_t runtimeArgLen = strlen(runtimeArg);
487    property_get(property, buffer+runtimeArgLen, defaultArg);
488    if (buffer[runtimeArgLen] == '\0') {
489        return false;
490    }
491    addOption(buffer);
492    return true;
493}
494
495/*
496 * Reads a "property" into "buffer". If the property is non-empty, it
497 * is treated as a dex2oat compiler option that should be
498 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
499 *
500 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
501 *
502 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
503 *
504 * If an option is found, it is added to mOptions and true is
505 * returned. Otherwise false is returned.
506 */
507bool AndroidRuntime::parseCompilerOption(const char* property,
508                                         char* buffer,
509                                         const char* compilerArg,
510                                         const char* quotingArg)
511{
512    strcpy(buffer, compilerArg);
513    size_t compilerArgLen = strlen(compilerArg);
514    property_get(property, buffer+compilerArgLen, "");
515    if (buffer[compilerArgLen] == '\0') {
516        return false;
517    }
518    addOption(quotingArg);
519    addOption(buffer);
520    return true;
521}
522
523/*
524 * Reads a "property" into "buffer". If the property is non-empty, it
525 * is treated as a dex2oat compiler runtime option that should be
526 * passed as a quoted option, e.g. "-Ximage-compiler-option
527 * --runtime-arg -Ximage-compiler-option -Xmx32m".
528 *
529 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
530 *
531 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
532 *
533 * If an option is found, it is added to mOptions and true is
534 * returned. Otherwise false is returned.
535 */
536bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
537                                                char* buffer,
538                                                const char* runtimeArg,
539                                                const char* quotingArg)
540{
541    strcpy(buffer, runtimeArg);
542    size_t runtimeArgLen = strlen(runtimeArg);
543    property_get(property, buffer+runtimeArgLen, "");
544    if (buffer[runtimeArgLen] == '\0') {
545        return false;
546    }
547    addOption(quotingArg);
548    addOption("--runtime-arg");
549    addOption(quotingArg);
550    addOption(buffer);
551    return true;
552}
553
554/*
555 * Start the Dalvik Virtual Machine.
556 *
557 * Various arguments, most determined by system properties, are passed in.
558 * The "mOptions" vector is updated.
559 *
560 * CAUTION: when adding options in here, be careful not to put the
561 * char buffer inside a nested scope.  Adding the buffer to the
562 * options using mOptions.add() does not copy the buffer, so if the
563 * buffer goes out of scope the option may be overwritten.  It's best
564 * to put the buffer at the top of the function so that it is more
565 * unlikely that someone will surround it in a scope at a later time
566 * and thus introduce a bug.
567 *
568 * Returns 0 on success.
569 */
570int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote)
571{
572    JavaVMInitArgs initArgs;
573    char propBuf[PROPERTY_VALUE_MAX];
574    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
575    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
576    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
577    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
578    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
579    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
580    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
581    char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX];
582    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
583    char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX];
584    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
585    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
586    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
587    char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX];
588    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
589    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
590    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
591    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
592    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
593    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
594    char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
595    char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
596    char dex2oat_isa_variant_key[PROPERTY_KEY_MAX];
597    char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX];
598    char dex2oat_isa_features_key[PROPERTY_KEY_MAX];
599    char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX];
600    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
601    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
602    char extraOptsBuf[PROPERTY_VALUE_MAX];
603    char voldDecryptBuf[PROPERTY_VALUE_MAX];
604    enum {
605      kEMDefault,
606      kEMIntPortable,
607      kEMIntFast,
608      kEMJitCompiler,
609    } executionMode = kEMDefault;
610    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
611    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
612    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
613    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
614    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
615    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
616                                    PROPERTY_VALUE_MAX];
617    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
618    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
619    char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX];
620    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
621    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
622    char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX];
623    char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX];
624    char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX];
625    char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX];
626
627    bool checkJni = false;
628    property_get("dalvik.vm.checkjni", propBuf, "");
629    if (strcmp(propBuf, "true") == 0) {
630        checkJni = true;
631    } else if (strcmp(propBuf, "false") != 0) {
632        /* property is neither true nor false; fall back on kernel parameter */
633        property_get("ro.kernel.android.checkjni", propBuf, "");
634        if (propBuf[0] == '1') {
635            checkJni = true;
636        }
637    }
638    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
639    if (checkJni) {
640        /* extended JNI checking */
641        addOption("-Xcheck:jni");
642
643        /* with -Xcheck:jni, this provides a JNI function call trace */
644        //addOption("-verbose:jni");
645    }
646
647    property_get("dalvik.vm.execution-mode", propBuf, "");
648    if (strcmp(propBuf, "int:portable") == 0) {
649        executionMode = kEMIntPortable;
650    } else if (strcmp(propBuf, "int:fast") == 0) {
651        executionMode = kEMIntFast;
652    } else if (strcmp(propBuf, "int:jit") == 0) {
653        executionMode = kEMJitCompiler;
654    }
655
656    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
657
658    strcpy(jniOptsBuf, "-Xjniopts:");
659    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
660        ALOGI("JNI options: '%s'\n", jniOptsBuf);
661    }
662
663    /* route exit() to our handler */
664    addOption("exit", (void*) runtime_exit);
665
666    /* route fprintf() to our handler */
667    addOption("vfprintf", (void*) runtime_vfprintf);
668
669    /* register the framework-specific "is sensitive thread" hook */
670    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
671
672    /* enable verbose; standard options are { jni, gc, class } */
673    //addOption("-verbose:jni");
674    addOption("-verbose:gc");
675    //addOption("-verbose:class");
676
677    /*
678     * The default starting and maximum size of the heap.  Larger
679     * values should be specified in a product property override.
680     */
681    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
682    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
683
684    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
685    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
686    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
687    parseRuntimeOption("dalvik.vm.heaptargetutilization",
688                       heaptargetutilizationOptsBuf,
689                       "-XX:HeapTargetUtilization=");
690
691    /*
692     * JIT related options.
693     */
694    parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:");
695    parseRuntimeOption("dalvik.vm.jitcodecachesize", jitcodecachesizeOptsBuf, "-Xjitcodecachesize:");
696    parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:");
697
698    property_get("ro.config.low_ram", propBuf, "");
699    if (strcmp(propBuf, "true") == 0) {
700      addOption("-XX:LowMemoryMode");
701    }
702
703    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
704    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
705
706    /*
707     * Enable debugging only for apps forked from zygote.
708     * Set suspend=y to pause during VM init and use android ADB transport.
709     */
710    if (zygote) {
711      addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
712    }
713
714    parseRuntimeOption("dalvik.vm.lockprof.threshold",
715                       lockProfThresholdBuf,
716                       "-Xlockprofthreshold:");
717
718    if (executionMode == kEMIntPortable) {
719        addOption("-Xint:portable");
720    } else if (executionMode == kEMIntFast) {
721        addOption("-Xint:fast");
722    } else if (executionMode == kEMJitCompiler) {
723        addOption("-Xint:jit");
724    }
725
726    // If we are booting without the real /data, don't spend time compiling.
727    property_get("vold.decrypt", voldDecryptBuf, "");
728    bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
729                             (strcmp(voldDecryptBuf, "1") == 0));
730
731    // Extra options for boot.art/boot.oat image generation.
732    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
733                               "-Xms", "-Ximage-compiler-option");
734    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
735                               "-Xmx", "-Ximage-compiler-option");
736    if (skip_compilation) {
737        addOption("-Ximage-compiler-option");
738        addOption("--compiler-filter=verify-none");
739    } else {
740        parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
741                            "--compiler-filter=", "-Ximage-compiler-option");
742    }
743
744    // Make sure there is a preloaded-classes file.
745    if (!hasFile("/system/etc/preloaded-classes")) {
746        ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
747              strerror(errno));
748        return -1;
749    }
750    addOption("-Ximage-compiler-option");
751    addOption("--image-classes=/system/etc/preloaded-classes");
752
753    // If there is a compiled-classes file, push it.
754    if (hasFile("/system/etc/compiled-classes")) {
755        addOption("-Ximage-compiler-option");
756        addOption("--compiled-classes=/system/etc/compiled-classes");
757    }
758
759    property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
760    parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
761
762    // Extra options for DexClassLoader.
763    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
764                               "-Xms", "-Xcompiler-option");
765    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
766                               "-Xmx", "-Xcompiler-option");
767    if (skip_compilation) {
768        addOption("-Xcompiler-option");
769        addOption("--compiler-filter=verify-none");
770
771        // We skip compilation when a minimal runtime is brought up for decryption. In that case
772        // /data is temporarily backed by a tmpfs, which is usually small.
773        // If the system image contains prebuilts, they will be relocated into the tmpfs. In this
774        // specific situation it is acceptable to *not* relocate and run out of the prebuilts
775        // directly instead.
776        addOption("--runtime-arg");
777        addOption("-Xnorelocate");
778    } else {
779        parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
780                            "--compiler-filter=", "-Xcompiler-option");
781    }
782    parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option");
783    parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j",
784                        "-Ximage-compiler-option");
785
786    // The runtime will compile a boot image, when necessary, not using installd. Thus, we need to
787    // pass the instruction-set-features/variant as an image-compiler-option.
788    // TODO: Find a better way for the instruction-set.
789#if defined(__arm__)
790    constexpr const char* instruction_set = "arm";
791#elif defined(__aarch64__)
792    constexpr const char* instruction_set = "arm64";
793#elif defined(__mips__) && !defined(__LP64__)
794    constexpr const char* instruction_set = "mips";
795#elif defined(__mips__) && defined(__LP64__)
796    constexpr const char* instruction_set = "mips64";
797#elif defined(__i386__)
798    constexpr const char* instruction_set = "x86";
799#elif defined(__x86_64__)
800    constexpr const char* instruction_set = "x86_64";
801#else
802    constexpr const char* instruction_set = "unknown";
803#endif
804    // Note: it is OK to reuse the buffer, as the values are exactly the same between
805    //       * compiler-option, used for runtime compilation (DexClassLoader)
806    //       * image-compiler-option, used for boot-image compilation on device
807
808    // Copy the variant.
809    sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set);
810    parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
811                        "--instruction-set-variant=", "-Ximage-compiler-option");
812    parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
813                        "--instruction-set-variant=", "-Xcompiler-option");
814    // Copy the features.
815    sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set);
816    parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
817                        "--instruction-set-features=", "-Ximage-compiler-option");
818    parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
819                        "--instruction-set-features=", "-Xcompiler-option");
820
821
822    property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
823    parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
824
825    /* extra options; parse this late so it overrides others */
826    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
827    parseExtraOpts(extraOptsBuf, NULL);
828
829    /* Set the properties for locale */
830    {
831        strcpy(localeOption, "-Duser.locale=");
832        const std::string locale = readLocale();
833        strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX);
834        addOption(localeOption);
835    }
836
837    /*
838     * Set profiler options
839     */
840    // Whether or not the profiler should be enabled.
841    property_get("dalvik.vm.profiler", propBuf, "0");
842    if (propBuf[0] == '1') {
843        addOption("-Xenable-profiler");
844    }
845
846    // Whether the profile should start upon app startup or be delayed by some random offset
847    // (in seconds) that is bound between 0 and a fixed value.
848    property_get("dalvik.vm.profile.start-immed", propBuf, "0");
849    if (propBuf[0] == '1') {
850        addOption("-Xprofile-start-immediately");
851    }
852
853    // Number of seconds during profile runs.
854    parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
855
856    // Length of each profile run (seconds).
857    parseRuntimeOption("dalvik.vm.profile.duration-secs",
858                       profileDuration,
859                       "-Xprofile-duration:");
860
861    // Polling interval during profile run (microseconds).
862    parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
863
864    // Coefficient for period backoff.  The the period is multiplied
865    // by this value after each profile run.
866    parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
867
868    // Top K% of samples that are considered relevant when
869    // deciding if the app should be recompiled.
870    parseRuntimeOption("dalvik.vm.profile.top-k-thr",
871                       profileTopKThreshold,
872                       "-Xprofile-top-k-threshold:");
873
874    // The threshold after which a change in the structure of the
875    // top K% profiled samples becomes significant and triggers
876    // recompilation. A change in profile is considered
877    // significant if X% (top-k-change-threshold) of the top K%
878    // (top-k-threshold property) samples has changed.
879    parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
880                       profileTopKChangeThreshold,
881                       "-Xprofile-top-k-change-threshold:");
882
883    // Type of profile data.
884    parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
885
886    // Depth of bounded stack data
887    parseRuntimeOption("dalvik.vm.profile.stack-depth",
888                       profileMaxStackDepth,
889                       "-Xprofile-max-stack-depth:");
890
891    /*
892     * Tracing options.
893     */
894    property_get("dalvik.vm.method-trace", propBuf, "false");
895    if (strcmp(propBuf, "true") == 0) {
896        addOption("-Xmethod-trace");
897        parseRuntimeOption("dalvik.vm.method-trace-file",
898                           methodTraceFileBuf,
899                           "-Xmethod-trace-file:");
900        parseRuntimeOption("dalvik.vm.method-trace-file-siz",
901                           methodTraceFileSizeBuf,
902                           "-Xmethod-trace-file-size:");
903        property_get("dalvik.vm.method-trace-stream", propBuf, "false");
904        if (strcmp(propBuf, "true") == 0) {
905            addOption("-Xmethod-trace-stream");
906        }
907    }
908
909    // Native bridge library. "0" means that native bridge is disabled.
910    property_get("ro.dalvik.vm.native.bridge", propBuf, "");
911    if (propBuf[0] == '\0') {
912        ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
913    } else if (strcmp(propBuf, "0") != 0) {
914        snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
915                 "-XX:NativeBridge=%s", propBuf);
916        addOption(nativeBridgeLibrary);
917    }
918
919#if defined(__LP64__)
920    const char* cpu_abilist_property_name = "ro.product.cpu.abilist64";
921#else
922    const char* cpu_abilist_property_name = "ro.product.cpu.abilist32";
923#endif  // defined(__LP64__)
924    property_get(cpu_abilist_property_name, propBuf, "");
925    if (propBuf[0] == '\0') {
926        ALOGE("%s is not expected to be empty", cpu_abilist_property_name);
927        return -1;
928    }
929    snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf);
930    addOption(cpuAbiListBuf);
931
932    // Dalvik-cache pruning counter.
933    parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf,
934                       "-Xzygote-max-boot-retry=");
935
936    /*
937     * When running with debug.generate-debug-info, add --generate-debug-info to
938     * the compiler options so that the boot image, if it is compiled on device,
939     * will include native debugging information.
940     */
941    property_get("debug.generate-debug-info", propBuf, "");
942    if (strcmp(propBuf, "true") == 0) {
943        addOption("-Xcompiler-option");
944        addOption("--generate-debug-info");
945        addOption("-Ximage-compiler-option");
946        addOption("--generate-debug-info");
947    }
948
949    /*
950     * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will
951     * contain the fingerprint and can be parsed.
952     */
953    parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:");
954
955    initArgs.version = JNI_VERSION_1_4;
956    initArgs.options = mOptions.editArray();
957    initArgs.nOptions = mOptions.size();
958    initArgs.ignoreUnrecognized = JNI_FALSE;
959
960    /*
961     * Initialize the VM.
962     *
963     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
964     * If this call succeeds, the VM is ready, and we can start issuing
965     * JNI calls.
966     */
967    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
968        ALOGE("JNI_CreateJavaVM failed\n");
969        return -1;
970    }
971
972    return 0;
973}
974
975char* AndroidRuntime::toSlashClassName(const char* className)
976{
977    char* result = strdup(className);
978    for (char* cp = result; *cp != '\0'; cp++) {
979        if (*cp == '.') {
980            *cp = '/';
981        }
982    }
983    return result;
984}
985
986/** Create a Java string from an ASCII or Latin-1 string */
987jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
988    if (!bytes) return NULL;
989    int length = strlen(bytes);
990    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
991    if (!buffer) return NULL;
992    jchar* chp = buffer;
993    for (int i = 0; i < length; i++) {
994        *chp++ = *bytes++;
995    }
996    return env->NewString(buffer, length);
997}
998
999
1000/*
1001 * Start the Android runtime.  This involves starting the virtual machine
1002 * and calling the "static void main(String[] args)" method in the class
1003 * named by "className".
1004 *
1005 * Passes the main function two arguments, the class name and the specified
1006 * options string.
1007 */
1008void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote)
1009{
1010    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
1011            className != NULL ? className : "(unknown)", getuid());
1012
1013    static const String8 startSystemServer("start-system-server");
1014
1015    /*
1016     * 'startSystemServer == true' means runtime is obsolete and not run from
1017     * init.rc anymore, so we print out the boot start event here.
1018     */
1019    for (size_t i = 0; i < options.size(); ++i) {
1020        if (options[i] == startSystemServer) {
1021           /* track our progress through the boot sequence */
1022           const int LOG_BOOT_PROGRESS_START = 3000;
1023           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
1024        }
1025    }
1026
1027    const char* rootDir = getenv("ANDROID_ROOT");
1028    if (rootDir == NULL) {
1029        rootDir = "/system";
1030        if (!hasDir("/system")) {
1031            LOG_FATAL("No root directory specified, and /android does not exist.");
1032            return;
1033        }
1034        setenv("ANDROID_ROOT", rootDir, 1);
1035    }
1036
1037    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
1038    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
1039
1040    /* start the virtual machine */
1041    JniInvocation jni_invocation;
1042    jni_invocation.Init(NULL);
1043    JNIEnv* env;
1044    if (startVm(&mJavaVM, &env, zygote) != 0) {
1045        return;
1046    }
1047    onVmCreated(env);
1048
1049    /*
1050     * Register android functions.
1051     */
1052    if (startReg(env) < 0) {
1053        ALOGE("Unable to register all android natives\n");
1054        return;
1055    }
1056
1057    /*
1058     * We want to call main() with a String array with arguments in it.
1059     * At present we have two arguments, the class name and an option string.
1060     * Create an array to hold them.
1061     */
1062    jclass stringClass;
1063    jobjectArray strArray;
1064    jstring classNameStr;
1065
1066    stringClass = env->FindClass("java/lang/String");
1067    assert(stringClass != NULL);
1068    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1069    assert(strArray != NULL);
1070    classNameStr = env->NewStringUTF(className);
1071    assert(classNameStr != NULL);
1072    env->SetObjectArrayElement(strArray, 0, classNameStr);
1073
1074    for (size_t i = 0; i < options.size(); ++i) {
1075        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1076        assert(optionsStr != NULL);
1077        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1078    }
1079
1080    /*
1081     * Start VM.  This thread becomes the main thread of the VM, and will
1082     * not return until the VM exits.
1083     */
1084    char* slashClassName = toSlashClassName(className);
1085    jclass startClass = env->FindClass(slashClassName);
1086    if (startClass == NULL) {
1087        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1088        /* keep going */
1089    } else {
1090        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1091            "([Ljava/lang/String;)V");
1092        if (startMeth == NULL) {
1093            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1094            /* keep going */
1095        } else {
1096            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1097
1098#if 0
1099            if (env->ExceptionCheck())
1100                threadExitUncaughtException(env);
1101#endif
1102        }
1103    }
1104    free(slashClassName);
1105
1106    ALOGD("Shutting down VM\n");
1107    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1108        ALOGW("Warning: unable to detach main thread\n");
1109    if (mJavaVM->DestroyJavaVM() != 0)
1110        ALOGW("Warning: VM did not shut down cleanly\n");
1111}
1112
1113void AndroidRuntime::exit(int code)
1114{
1115    if (mExitWithoutCleanup) {
1116        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1117        ::_exit(code);
1118    } else {
1119        ALOGI("VM exiting with result code %d.", code);
1120        onExit(code);
1121        ::exit(code);
1122    }
1123}
1124
1125void AndroidRuntime::onVmCreated(JNIEnv* env)
1126{
1127    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1128}
1129
1130/*
1131 * Get the JNIEnv pointer for this thread.
1132 *
1133 * Returns NULL if the slot wasn't allocated or populated.
1134 */
1135/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1136{
1137    JNIEnv* env;
1138    JavaVM* vm = AndroidRuntime::getJavaVM();
1139    assert(vm != NULL);
1140
1141    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1142        return NULL;
1143    return env;
1144}
1145
1146/*
1147 * Makes the current thread visible to the VM.
1148 *
1149 * The JNIEnv pointer returned is only valid for the current thread, and
1150 * thus must be tucked into thread-local storage.
1151 */
1152static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1153{
1154    JavaVMAttachArgs args;
1155    JavaVM* vm;
1156    jint result;
1157
1158    vm = AndroidRuntime::getJavaVM();
1159    assert(vm != NULL);
1160
1161    args.version = JNI_VERSION_1_4;
1162    args.name = (char*) threadName;
1163    args.group = NULL;
1164
1165    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1166    if (result != JNI_OK)
1167        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1168
1169    return result;
1170}
1171
1172/*
1173 * Detach the current thread from the set visible to the VM.
1174 */
1175static int javaDetachThread(void)
1176{
1177    JavaVM* vm;
1178    jint result;
1179
1180    vm = AndroidRuntime::getJavaVM();
1181    assert(vm != NULL);
1182
1183    result = vm->DetachCurrentThread();
1184    if (result != JNI_OK)
1185        ALOGE("ERROR: thread detach failed\n");
1186    return result;
1187}
1188
1189/*
1190 * When starting a native thread that will be visible from the VM, we
1191 * bounce through this to get the right attach/detach action.
1192 * Note that this function calls free(args)
1193 */
1194/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1195    void* start = ((void**)args)[0];
1196    void* userData = ((void **)args)[1];
1197    char* name = (char*) ((void **)args)[2];        // we own this storage
1198    free(args);
1199    JNIEnv* env;
1200    int result;
1201
1202    /* hook us into the VM */
1203    if (javaAttachThread(name, &env) != JNI_OK)
1204        return -1;
1205
1206    /* start the thread running */
1207    result = (*(android_thread_func_t)start)(userData);
1208
1209    /* unhook us */
1210    javaDetachThread();
1211    free(name);
1212
1213    return result;
1214}
1215
1216/*
1217 * This is invoked from androidCreateThreadEtc() via the callback
1218 * set with androidSetCreateThreadFunc().
1219 *
1220 * We need to create the new thread in such a way that it gets hooked
1221 * into the VM before it really starts executing.
1222 */
1223/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1224                                android_thread_func_t entryFunction,
1225                                void* userData,
1226                                const char* threadName,
1227                                int32_t threadPriority,
1228                                size_t threadStackSize,
1229                                android_thread_id_t* threadId)
1230{
1231    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1232    int result;
1233
1234    if (!threadName)
1235        threadName = "unnamed thread";
1236
1237    args[0] = (void*) entryFunction;
1238    args[1] = userData;
1239    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1240
1241    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1242        threadName, threadPriority, threadStackSize, threadId);
1243    return result;
1244}
1245
1246/*
1247 * Create a thread that is visible from the VM.
1248 *
1249 * This is called from elsewhere in the library.
1250 */
1251/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1252    void (*start)(void *), void* arg)
1253{
1254    android_thread_id_t threadId = 0;
1255    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1256        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1257    return threadId;
1258}
1259
1260#if 0
1261static void quickTest(void* arg)
1262{
1263    const char* str = (const char*) arg;
1264
1265    printf("In quickTest: %s\n", str);
1266}
1267#endif
1268
1269#ifdef NDEBUG
1270    #define REG_JNI(name)      { name }
1271    struct RegJNIRec {
1272        int (*mProc)(JNIEnv*);
1273    };
1274#else
1275    #define REG_JNI(name)      { name, #name }
1276    struct RegJNIRec {
1277        int (*mProc)(JNIEnv*);
1278        const char* mName;
1279    };
1280#endif
1281
1282typedef void (*RegJAMProc)();
1283
1284static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1285{
1286    for (size_t i = 0; i < count; i++) {
1287        if (array[i].mProc(env) < 0) {
1288#ifndef NDEBUG
1289            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1290#endif
1291            return -1;
1292        }
1293    }
1294    return 0;
1295}
1296
1297static const RegJNIRec gRegJNI[] = {
1298    REG_JNI(register_com_android_internal_os_RuntimeInit),
1299    REG_JNI(register_android_os_SystemClock),
1300    REG_JNI(register_android_util_EventLog),
1301    REG_JNI(register_android_util_Log),
1302    REG_JNI(register_android_content_AssetManager),
1303    REG_JNI(register_android_content_StringBlock),
1304    REG_JNI(register_android_content_XmlBlock),
1305    REG_JNI(register_android_text_AndroidCharacter),
1306    REG_JNI(register_android_text_StaticLayout),
1307    REG_JNI(register_android_text_AndroidBidi),
1308    REG_JNI(register_android_view_InputDevice),
1309    REG_JNI(register_android_view_KeyCharacterMap),
1310    REG_JNI(register_android_os_Process),
1311    REG_JNI(register_android_os_SystemProperties),
1312    REG_JNI(register_android_os_Binder),
1313    REG_JNI(register_android_os_Parcel),
1314    REG_JNI(register_android_nio_utils),
1315    REG_JNI(register_android_graphics_Graphics),
1316    REG_JNI(register_android_view_DisplayEventReceiver),
1317    REG_JNI(register_android_view_RenderNode),
1318    REG_JNI(register_android_view_RenderNodeAnimator),
1319    REG_JNI(register_android_view_GraphicBuffer),
1320    REG_JNI(register_android_view_DisplayListCanvas),
1321    REG_JNI(register_android_view_HardwareLayer),
1322    REG_JNI(register_android_view_ThreadedRenderer),
1323    REG_JNI(register_android_view_Surface),
1324    REG_JNI(register_android_view_SurfaceControl),
1325    REG_JNI(register_android_view_SurfaceSession),
1326    REG_JNI(register_android_view_TextureView),
1327    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1328    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1329    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1330    REG_JNI(register_android_opengl_jni_EGL14),
1331    REG_JNI(register_android_opengl_jni_EGLExt),
1332    REG_JNI(register_android_opengl_jni_GLES10),
1333    REG_JNI(register_android_opengl_jni_GLES10Ext),
1334    REG_JNI(register_android_opengl_jni_GLES11),
1335    REG_JNI(register_android_opengl_jni_GLES11Ext),
1336    REG_JNI(register_android_opengl_jni_GLES20),
1337    REG_JNI(register_android_opengl_jni_GLES30),
1338    REG_JNI(register_android_opengl_jni_GLES31),
1339    REG_JNI(register_android_opengl_jni_GLES31Ext),
1340
1341    REG_JNI(register_android_graphics_Bitmap),
1342    REG_JNI(register_android_graphics_BitmapFactory),
1343    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1344    REG_JNI(register_android_graphics_Camera),
1345    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1346    REG_JNI(register_android_graphics_Canvas),
1347    REG_JNI(register_android_graphics_CanvasProperty),
1348    REG_JNI(register_android_graphics_ColorFilter),
1349    REG_JNI(register_android_graphics_DrawFilter),
1350    REG_JNI(register_android_graphics_FontFamily),
1351    REG_JNI(register_android_graphics_Interpolator),
1352    REG_JNI(register_android_graphics_LayerRasterizer),
1353    REG_JNI(register_android_graphics_MaskFilter),
1354    REG_JNI(register_android_graphics_Matrix),
1355    REG_JNI(register_android_graphics_Movie),
1356    REG_JNI(register_android_graphics_NinePatch),
1357    REG_JNI(register_android_graphics_Paint),
1358    REG_JNI(register_android_graphics_Path),
1359    REG_JNI(register_android_graphics_PathMeasure),
1360    REG_JNI(register_android_graphics_PathEffect),
1361    REG_JNI(register_android_graphics_Picture),
1362    REG_JNI(register_android_graphics_PorterDuff),
1363    REG_JNI(register_android_graphics_Rasterizer),
1364    REG_JNI(register_android_graphics_Region),
1365    REG_JNI(register_android_graphics_Shader),
1366    REG_JNI(register_android_graphics_SurfaceTexture),
1367    REG_JNI(register_android_graphics_Typeface),
1368    REG_JNI(register_android_graphics_Xfermode),
1369    REG_JNI(register_android_graphics_YuvImage),
1370    REG_JNI(register_android_graphics_pdf_PdfDocument),
1371    REG_JNI(register_android_graphics_pdf_PdfEditor),
1372    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1373
1374    REG_JNI(register_android_database_CursorWindow),
1375    REG_JNI(register_android_database_SQLiteConnection),
1376    REG_JNI(register_android_database_SQLiteGlobal),
1377    REG_JNI(register_android_database_SQLiteDebug),
1378    REG_JNI(register_android_os_Debug),
1379    REG_JNI(register_android_os_FileObserver),
1380    REG_JNI(register_android_os_MessageQueue),
1381    REG_JNI(register_android_os_SELinux),
1382    REG_JNI(register_android_os_Trace),
1383    REG_JNI(register_android_os_UEventObserver),
1384    REG_JNI(register_android_net_LocalSocketImpl),
1385    REG_JNI(register_android_net_NetworkUtils),
1386    REG_JNI(register_android_net_TrafficStats),
1387    REG_JNI(register_android_os_MemoryFile),
1388    REG_JNI(register_com_android_internal_os_Zygote),
1389    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1390    REG_JNI(register_android_hardware_Camera),
1391    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1392    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1393    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1394    REG_JNI(register_android_hardware_camera2_DngCreator),
1395    REG_JNI(register_android_hardware_Radio),
1396    REG_JNI(register_android_hardware_SensorManager),
1397    REG_JNI(register_android_hardware_SerialPort),
1398    REG_JNI(register_android_hardware_SoundTrigger),
1399    REG_JNI(register_android_hardware_UsbDevice),
1400    REG_JNI(register_android_hardware_UsbDeviceConnection),
1401    REG_JNI(register_android_hardware_UsbRequest),
1402    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1403    REG_JNI(register_android_media_AudioRecord),
1404    REG_JNI(register_android_media_AudioSystem),
1405    REG_JNI(register_android_media_AudioTrack),
1406    REG_JNI(register_android_media_JetPlayer),
1407    REG_JNI(register_android_media_RemoteDisplay),
1408    REG_JNI(register_android_media_ToneGenerator),
1409
1410    REG_JNI(register_android_opengl_classes),
1411    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1412    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1413    REG_JNI(register_android_backup_BackupDataInput),
1414    REG_JNI(register_android_backup_BackupDataOutput),
1415    REG_JNI(register_android_backup_FileBackupHelperBase),
1416    REG_JNI(register_android_backup_BackupHelperDispatcher),
1417    REG_JNI(register_android_app_backup_FullBackup),
1418    REG_JNI(register_android_app_ActivityThread),
1419    REG_JNI(register_android_app_NativeActivity),
1420    REG_JNI(register_android_view_InputChannel),
1421    REG_JNI(register_android_view_InputEventReceiver),
1422    REG_JNI(register_android_view_InputEventSender),
1423    REG_JNI(register_android_view_InputQueue),
1424    REG_JNI(register_android_view_KeyEvent),
1425    REG_JNI(register_android_view_MotionEvent),
1426    REG_JNI(register_android_view_PointerIcon),
1427    REG_JNI(register_android_view_VelocityTracker),
1428
1429    REG_JNI(register_android_content_res_ObbScanner),
1430    REG_JNI(register_android_content_res_Configuration),
1431
1432    REG_JNI(register_android_animation_PropertyValuesHolder),
1433    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1434    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1435};
1436
1437/*
1438 * Register android native functions with the VM.
1439 */
1440/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1441{
1442    ATRACE_NAME("RegisterAndroidNatives");
1443    /*
1444     * This hook causes all future threads created in this process to be
1445     * attached to the JavaVM.  (This needs to go away in favor of JNI
1446     * Attach calls.)
1447     */
1448    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1449
1450    ALOGV("--- registering native functions ---\n");
1451
1452    /*
1453     * Every "register" function calls one or more things that return
1454     * a local reference (e.g. FindClass).  Because we haven't really
1455     * started the VM yet, they're all getting stored in the base frame
1456     * and never released.  Use Push/Pop to manage the storage.
1457     */
1458    env->PushLocalFrame(200);
1459
1460    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1461        env->PopLocalFrame(NULL);
1462        return -1;
1463    }
1464    env->PopLocalFrame(NULL);
1465
1466    //createJavaThread("fubar", quickTest, (void*) "hello");
1467
1468    return 0;
1469}
1470
1471AndroidRuntime* AndroidRuntime::getRuntime()
1472{
1473    return gCurRuntime;
1474}
1475
1476/**
1477 * Used by surface flinger's DdmConnection to register native methods from
1478 * the framework.
1479 */
1480extern "C" jint registerFrameworkNatives(JNIEnv* env) {
1481    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1482}
1483}   // namespace android
1484