AndroidRuntime.cpp revision aa9ecac10b90af84ab8cb9fb40f42df3460a4eb3 
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_PathParser(JNIEnv* env);
117extern int register_android_content_StringBlock(JNIEnv* env);
118extern int register_android_content_XmlBlock(JNIEnv* env);
119extern int register_android_graphics_Canvas(JNIEnv* env);
120extern int register_android_graphics_CanvasProperty(JNIEnv* env);
121extern int register_android_graphics_ColorFilter(JNIEnv* env);
122extern int register_android_graphics_DrawFilter(JNIEnv* env);
123extern int register_android_graphics_FontFamily(JNIEnv* env);
124extern int register_android_graphics_LayerRasterizer(JNIEnv*);
125extern int register_android_graphics_Matrix(JNIEnv* env);
126extern int register_android_graphics_Paint(JNIEnv* env);
127extern int register_android_graphics_Path(JNIEnv* env);
128extern int register_android_graphics_PathMeasure(JNIEnv* env);
129extern int register_android_graphics_Picture(JNIEnv*);
130extern int register_android_graphics_PorterDuff(JNIEnv* env);
131extern int register_android_graphics_Rasterizer(JNIEnv* env);
132extern int register_android_graphics_Region(JNIEnv* env);
133extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
134extern int register_android_graphics_Xfermode(JNIEnv* env);
135extern int register_android_graphics_drawable_AnimatedVectorDrawable(JNIEnv* env);
136extern int register_android_graphics_drawable_VectorDrawable(JNIEnv* env);
137extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
138extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
139extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
140extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
141extern int register_android_view_DisplayListCanvas(JNIEnv* env);
142extern int register_android_view_GraphicBuffer(JNIEnv* env);
143extern int register_android_view_HardwareLayer(JNIEnv* env);
144extern int register_android_view_RenderNode(JNIEnv* env);
145extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
146extern int register_android_view_Surface(JNIEnv* env);
147extern int register_android_view_SurfaceControl(JNIEnv* env);
148extern int register_android_view_SurfaceSession(JNIEnv* env);
149extern int register_android_view_TextureView(JNIEnv* env);
150extern int register_android_view_ThreadedRenderer(JNIEnv* env);
151extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
152extern int register_android_database_CursorWindow(JNIEnv* env);
153extern int register_android_database_SQLiteConnection(JNIEnv* env);
154extern int register_android_database_SQLiteGlobal(JNIEnv* env);
155extern int register_android_database_SQLiteDebug(JNIEnv* env);
156extern int register_android_nio_utils(JNIEnv* env);
157extern int register_android_os_Debug(JNIEnv* env);
158extern int register_android_os_MessageQueue(JNIEnv* env);
159extern int register_android_os_Parcel(JNIEnv* env);
160extern int register_android_os_SELinux(JNIEnv* env);
161extern int register_android_os_SystemProperties(JNIEnv *env);
162extern int register_android_os_SystemClock(JNIEnv* env);
163extern int register_android_os_Trace(JNIEnv* env);
164extern int register_android_os_FileObserver(JNIEnv *env);
165extern int register_android_os_UEventObserver(JNIEnv* env);
166extern int register_android_os_MemoryFile(JNIEnv* env);
167extern int register_android_net_LocalSocketImpl(JNIEnv* env);
168extern int register_android_net_NetworkUtils(JNIEnv* env);
169extern int register_android_net_TrafficStats(JNIEnv* env);
170extern int register_android_text_AndroidCharacter(JNIEnv *env);
171extern int register_android_text_StaticLayout(JNIEnv *env);
172extern int register_android_text_AndroidBidi(JNIEnv *env);
173extern int register_android_opengl_classes(JNIEnv *env);
174extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
175extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
176extern int register_android_backup_BackupDataInput(JNIEnv *env);
177extern int register_android_backup_BackupDataOutput(JNIEnv *env);
178extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
179extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
180extern int register_android_app_backup_FullBackup(JNIEnv *env);
181extern int register_android_app_ApplicationLoaders(JNIEnv* env);
182extern int register_android_app_Activity(JNIEnv *env);
183extern int register_android_app_ActivityThread(JNIEnv *env);
184extern int register_android_app_NativeActivity(JNIEnv *env);
185extern int register_android_media_RemoteDisplay(JNIEnv *env);
186extern int register_android_util_jar_StrictJarFile(JNIEnv* env);
187extern int register_android_view_InputChannel(JNIEnv* env);
188extern int register_android_view_InputDevice(JNIEnv* env);
189extern int register_android_view_InputEventReceiver(JNIEnv* env);
190extern int register_android_view_InputEventSender(JNIEnv* env);
191extern int register_android_view_InputQueue(JNIEnv* env);
192extern int register_android_view_KeyCharacterMap(JNIEnv *env);
193extern int register_android_view_KeyEvent(JNIEnv* env);
194extern int register_android_view_MotionEvent(JNIEnv* env);
195extern int register_android_view_PointerIcon(JNIEnv* env);
196extern int register_android_view_VelocityTracker(JNIEnv* env);
197extern int register_android_content_res_ObbScanner(JNIEnv* env);
198extern int register_android_content_res_Configuration(JNIEnv* env);
199extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
200extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
201extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
202extern int register_com_android_internal_os_Zygote(JNIEnv *env);
203extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
204
205static AndroidRuntime* gCurRuntime = NULL;
206
207/*
208 * Code written in the Java Programming Language calls here from main().
209 */
210static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
211{
212    gCurRuntime->onStarted();
213}
214
215static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
216{
217    gCurRuntime->onZygoteInit();
218}
219
220static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
221        jobject clazz, jboolean exitWithoutCleanup)
222{
223    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
224}
225
226/*
227 * JNI registration.
228 */
229static const JNINativeMethod gMethods[] = {
230    { "nativeFinishInit", "()V",
231        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
232    { "nativeZygoteInit", "()V",
233        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
234    { "nativeSetExitWithoutCleanup", "(Z)V",
235        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
236};
237
238int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
239{
240    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
241        gMethods, NELEM(gMethods));
242}
243
244// ----------------------------------------------------------------------
245
246/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
247
248AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
249        mExitWithoutCleanup(false),
250        mArgBlockStart(argBlockStart),
251        mArgBlockLength(argBlockLength)
252{
253    SkGraphics::Init();
254    // There is also a global font cache, but its budget is specified by
255    // SK_DEFAULT_FONT_CACHE_COUNT_LIMIT and SK_DEFAULT_FONT_CACHE_LIMIT.
256
257    // Pre-allocate enough space to hold a fair number of options.
258    mOptions.setCapacity(20);
259
260    assert(gCurRuntime == NULL);        // one per process
261    gCurRuntime = this;
262}
263
264AndroidRuntime::~AndroidRuntime()
265{
266    SkGraphics::Term();
267}
268
269/*
270 * Register native methods using JNI.
271 */
272/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
273    const char* className, const JNINativeMethod* gMethods, int numMethods)
274{
275    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
276}
277
278void AndroidRuntime::setArgv0(const char* argv0) {
279    memset(mArgBlockStart, 0, mArgBlockLength);
280    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
281}
282
283status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
284    const Vector<String8>& args)
285{
286    JNIEnv* env;
287    jmethodID methodId;
288
289    ALOGD("Calling main entry %s", className.string());
290
291    env = getJNIEnv();
292    if (clazz == NULL || env == NULL) {
293        return UNKNOWN_ERROR;
294    }
295
296    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
297    if (methodId == NULL) {
298        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
299        return UNKNOWN_ERROR;
300    }
301
302    /*
303     * We want to call main() with a String array with our arguments in it.
304     * Create an array and populate it.
305     */
306    jclass stringClass;
307    jobjectArray strArray;
308
309    const size_t numArgs = args.size();
310    stringClass = env->FindClass("java/lang/String");
311    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
312
313    for (size_t i = 0; i < numArgs; i++) {
314        jstring argStr = env->NewStringUTF(args[i].string());
315        env->SetObjectArrayElement(strArray, i, argStr);
316    }
317
318    env->CallStaticVoidMethod(clazz, methodId, strArray);
319    return NO_ERROR;
320}
321
322/*
323 * The VM calls this through the "exit" hook.
324 */
325static void runtime_exit(int code)
326{
327    gCurRuntime->exit(code);
328}
329
330/*
331 * The VM calls this through the "vfprintf" hook.
332 *
333 * We ignore "fp" and just write the results to the log file.
334 */
335static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
336{
337    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
338}
339
340/**
341 * The VM calls this when mutex contention debugging is enabled to
342 * determine whether or not the blocked thread was a "sensitive thread"
343 * for user responsiveness/smoothess.
344 *
345 * Our policy for this is whether or not we're tracing any StrictMode
346 * events on this thread (which we might've inherited via Binder calls
347 * into us)
348 */
349static bool runtime_isSensitiveThread() {
350    IPCThreadState* state = IPCThreadState::selfOrNull();
351    return state && state->getStrictModePolicy() != 0;
352}
353
354static int hasDir(const char* dir)
355{
356    struct stat s;
357    int res = stat(dir, &s);
358    if (res == 0) {
359        return S_ISDIR(s.st_mode);
360    }
361    return 0;
362}
363
364static bool hasFile(const char* file) {
365    struct stat s;
366    int res = stat(file, &s);
367    if (res == 0) {
368        return S_ISREG(s.st_mode);
369    }
370    return false;
371}
372
373// Convenience wrapper over the property API that returns an
374// std::string.
375std::string getProperty(const char* key, const char* defaultValue) {
376    std::vector<char> temp(PROPERTY_VALUE_MAX);
377    const int len = property_get(key, &temp[0], defaultValue);
378    if (len < 0) {
379        return "";
380    }
381    return std::string(&temp[0], len);
382}
383
384/*
385 * Read the persistent locale. Inspects the following system properties
386 * (in order) and returns the first non-empty property in the list :
387 *
388 * (1) persist.sys.locale
389 * (2) persist.sys.language/country/localevar (country and localevar are
390 * inspected iff. language is non-empty.
391 * (3) ro.product.locale
392 * (4) ro.product.locale.language/region
393 *
394 * Note that we need to inspect persist.sys.language/country/localevar to
395 * preserve language settings for devices that are upgrading from Lollipop
396 * to M. The same goes for ro.product.locale.language/region as well.
397 */
398const std::string readLocale()
399{
400    const std::string locale = getProperty("persist.sys.locale", "");
401    if (!locale.empty()) {
402        return locale;
403    }
404
405    const std::string language = getProperty("persist.sys.language", "");
406    if (!language.empty()) {
407        const std::string country = getProperty("persist.sys.country", "");
408        const std::string variant = getProperty("persist.sys.localevar", "");
409
410        std::string out = language;
411        if (!country.empty()) {
412            out = out + "-" + country;
413        }
414
415        if (!variant.empty()) {
416            out = out + "-" + variant;
417        }
418
419        return out;
420    }
421
422    const std::string productLocale = getProperty("ro.product.locale", "");
423    if (!productLocale.empty()) {
424        return productLocale;
425    }
426
427    // If persist.sys.locale and ro.product.locale are missing,
428    // construct a locale value from the individual locale components.
429    const std::string productLanguage = getProperty("ro.product.locale.language", "en");
430    const std::string productRegion = getProperty("ro.product.locale.region", "US");
431
432    return productLanguage + "-" + productRegion;
433}
434
435void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
436{
437    JavaVMOption opt;
438    opt.optionString = optionString;
439    opt.extraInfo = extraInfo;
440    mOptions.add(opt);
441}
442
443/*
444 * Parse a property containing space-separated options that should be
445 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
446 *
447 * This will cut up "extraOptsBuf" as we chop it into individual options.
448 *
449 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
450 *
451 * Adds the strings, if any, to mOptions.
452 */
453void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
454{
455    char* start = extraOptsBuf;
456    char* end = NULL;
457    while (*start != '\0') {
458        while (*start == ' ')                   /* skip leading whitespace */
459            start++;
460        if (*start == '\0')                     /* was trailing ws, bail */
461            break;
462
463        end = start+1;
464        while (*end != ' ' && *end != '\0')     /* find end of token */
465            end++;
466        if (*end == ' ')
467            *end++ = '\0';          /* mark end, advance to indicate more */
468
469        if (quotingArg != NULL) {
470            addOption(quotingArg);
471        }
472        addOption(start);
473        start = end;
474    }
475}
476
477/*
478 * Reads a "property" into "buffer" with a default of "defaultArg". If
479 * the property is non-empty, it is treated as a runtime option such
480 * as "-Xmx32m".
481 *
482 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
483 *
484 * If an argument is found, it is added to mOptions.
485 *
486 * If an option is found, it is added to mOptions and true is
487 * returned. Otherwise false is returned.
488 */
489bool AndroidRuntime::parseRuntimeOption(const char* property,
490                                        char* buffer,
491                                        const char* runtimeArg,
492                                        const char* defaultArg)
493{
494    strcpy(buffer, runtimeArg);
495    size_t runtimeArgLen = strlen(runtimeArg);
496    property_get(property, buffer+runtimeArgLen, defaultArg);
497    if (buffer[runtimeArgLen] == '\0') {
498        return false;
499    }
500    addOption(buffer);
501    return true;
502}
503
504/*
505 * Reads a "property" into "buffer". If the property is non-empty, it
506 * is treated as a dex2oat compiler option that should be
507 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
508 *
509 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
510 *
511 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
512 *
513 * If an option is found, it is added to mOptions and true is
514 * returned. Otherwise false is returned.
515 */
516bool AndroidRuntime::parseCompilerOption(const char* property,
517                                         char* buffer,
518                                         const char* compilerArg,
519                                         const char* quotingArg)
520{
521    strcpy(buffer, compilerArg);
522    size_t compilerArgLen = strlen(compilerArg);
523    property_get(property, buffer+compilerArgLen, "");
524    if (buffer[compilerArgLen] == '\0') {
525        return false;
526    }
527    addOption(quotingArg);
528    addOption(buffer);
529    return true;
530}
531
532/*
533 * Reads a "property" into "buffer". If the property is non-empty, it
534 * is treated as a dex2oat compiler runtime option that should be
535 * passed as a quoted option, e.g. "-Ximage-compiler-option
536 * --runtime-arg -Ximage-compiler-option -Xmx32m".
537 *
538 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
539 *
540 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
541 *
542 * If an option is found, it is added to mOptions and true is
543 * returned. Otherwise false is returned.
544 */
545bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
546                                                char* buffer,
547                                                const char* runtimeArg,
548                                                const char* quotingArg)
549{
550    strcpy(buffer, runtimeArg);
551    size_t runtimeArgLen = strlen(runtimeArg);
552    property_get(property, buffer+runtimeArgLen, "");
553    if (buffer[runtimeArgLen] == '\0') {
554        return false;
555    }
556    addOption(quotingArg);
557    addOption("--runtime-arg");
558    addOption(quotingArg);
559    addOption(buffer);
560    return true;
561}
562
563/*
564 * Start the Dalvik Virtual Machine.
565 *
566 * Various arguments, most determined by system properties, are passed in.
567 * The "mOptions" vector is updated.
568 *
569 * CAUTION: when adding options in here, be careful not to put the
570 * char buffer inside a nested scope.  Adding the buffer to the
571 * options using mOptions.add() does not copy the buffer, so if the
572 * buffer goes out of scope the option may be overwritten.  It's best
573 * to put the buffer at the top of the function so that it is more
574 * unlikely that someone will surround it in a scope at a later time
575 * and thus introduce a bug.
576 *
577 * Returns 0 on success.
578 */
579int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote)
580{
581    JavaVMInitArgs initArgs;
582    char propBuf[PROPERTY_VALUE_MAX];
583    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
584    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
585    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
586    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
587    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
588    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
589    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
590    char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX];
591    char jitmaxsizeOptsBuf[sizeof("-Xjitmaxsize:")-1 + PROPERTY_VALUE_MAX];
592    char jitinitialsizeOptsBuf[sizeof("-Xjitinitialsize:")-1 + PROPERTY_VALUE_MAX];
593    char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX];
594    char useJitProfilesOptsBuf[sizeof("-Xjitsaveprofilinginfo:")-1 + PROPERTY_VALUE_MAX];
595    char jitprithreadweightOptBuf[sizeof("-Xjitprithreadweight:")-1 + PROPERTY_VALUE_MAX];
596    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
597    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
598    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
599    char cachePruneBuf[sizeof("-Xzygote-max-boot-retry=")-1 + PROPERTY_VALUE_MAX];
600    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
601    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
602    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
603    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
604    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
605    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
606    char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
607    char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
608    char dex2oat_isa_variant_key[PROPERTY_KEY_MAX];
609    char dex2oat_isa_variant[sizeof("--instruction-set-variant=") -1 + PROPERTY_VALUE_MAX];
610    char dex2oat_isa_features_key[PROPERTY_KEY_MAX];
611    char dex2oat_isa_features[sizeof("--instruction-set-features=") -1 + PROPERTY_VALUE_MAX];
612    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
613    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
614    char extraOptsBuf[PROPERTY_VALUE_MAX];
615    char voldDecryptBuf[PROPERTY_VALUE_MAX];
616    enum {
617      kEMDefault,
618      kEMIntPortable,
619      kEMIntFast,
620      kEMJitCompiler,
621    } executionMode = kEMDefault;
622    char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX];
623    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
624    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
625    char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX];
626    char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX];
627    char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX];
628    char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX];
629
630    bool checkJni = false;
631    property_get("dalvik.vm.checkjni", propBuf, "");
632    if (strcmp(propBuf, "true") == 0) {
633        checkJni = true;
634    } else if (strcmp(propBuf, "false") != 0) {
635        /* property is neither true nor false; fall back on kernel parameter */
636        property_get("ro.kernel.android.checkjni", propBuf, "");
637        if (propBuf[0] == '1') {
638            checkJni = true;
639        }
640    }
641    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
642    if (checkJni) {
643        /* extended JNI checking */
644        addOption("-Xcheck:jni");
645
646        /* with -Xcheck:jni, this provides a JNI function call trace */
647        //addOption("-verbose:jni");
648    }
649
650    property_get("dalvik.vm.execution-mode", propBuf, "");
651    if (strcmp(propBuf, "int:portable") == 0) {
652        executionMode = kEMIntPortable;
653    } else if (strcmp(propBuf, "int:fast") == 0) {
654        executionMode = kEMIntFast;
655    } else if (strcmp(propBuf, "int:jit") == 0) {
656        executionMode = kEMJitCompiler;
657    }
658
659    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
660
661    strcpy(jniOptsBuf, "-Xjniopts:");
662    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
663        ALOGI("JNI options: '%s'\n", jniOptsBuf);
664    }
665
666    /* route exit() to our handler */
667    addOption("exit", (void*) runtime_exit);
668
669    /* route fprintf() to our handler */
670    addOption("vfprintf", (void*) runtime_vfprintf);
671
672    /* register the framework-specific "is sensitive thread" hook */
673    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
674
675    /* enable verbose; standard options are { jni, gc, class } */
676    //addOption("-verbose:jni");
677    addOption("-verbose:gc");
678    //addOption("-verbose:class");
679
680    /*
681     * The default starting and maximum size of the heap.  Larger
682     * values should be specified in a product property override.
683     */
684    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
685    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
686
687    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
688    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
689    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
690    parseRuntimeOption("dalvik.vm.heaptargetutilization",
691                       heaptargetutilizationOptsBuf,
692                       "-XX:HeapTargetUtilization=");
693
694    /*
695     * JIT related options.
696     */
697    parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:");
698    parseRuntimeOption("dalvik.vm.jitmaxsize", jitmaxsizeOptsBuf, "-Xjitmaxsize:");
699    parseRuntimeOption("dalvik.vm.jitinitialsize", jitinitialsizeOptsBuf, "-Xjitinitialsize:");
700    parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:");
701    property_get("dalvik.vm.usejitprofiles", useJitProfilesOptsBuf, "");
702    if (strcmp(useJitProfilesOptsBuf, "true") == 0) {
703        addOption("-Xjitsaveprofilinginfo");
704    }
705    parseRuntimeOption("dalvik.vm.jitprithreadweight",
706                       jitprithreadweightOptBuf,
707                       "-Xjitprithreadweight:");
708
709    property_get("ro.config.low_ram", propBuf, "");
710    if (strcmp(propBuf, "true") == 0) {
711      addOption("-XX:LowMemoryMode");
712    }
713
714    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
715    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
716
717    /*
718     * Enable debugging only for apps forked from zygote.
719     * Set suspend=y to pause during VM init and use android ADB transport.
720     */
721    if (zygote) {
722      addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
723    }
724
725    parseRuntimeOption("dalvik.vm.lockprof.threshold",
726                       lockProfThresholdBuf,
727                       "-Xlockprofthreshold:");
728
729    if (executionMode == kEMIntPortable) {
730        addOption("-Xint:portable");
731    } else if (executionMode == kEMIntFast) {
732        addOption("-Xint:fast");
733    } else if (executionMode == kEMJitCompiler) {
734        addOption("-Xint:jit");
735    }
736
737    // If we are booting without the real /data, don't spend time compiling.
738    property_get("vold.decrypt", voldDecryptBuf, "");
739    bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
740                             (strcmp(voldDecryptBuf, "1") == 0));
741
742    // Extra options for boot.art/boot.oat image generation.
743    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
744                               "-Xms", "-Ximage-compiler-option");
745    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
746                               "-Xmx", "-Ximage-compiler-option");
747    if (skip_compilation) {
748        addOption("-Ximage-compiler-option");
749        addOption("--compiler-filter=verify-none");
750    } else {
751        parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
752                            "--compiler-filter=", "-Ximage-compiler-option");
753    }
754
755    // Make sure there is a preloaded-classes file.
756    if (!hasFile("/system/etc/preloaded-classes")) {
757        ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
758              strerror(errno));
759        return -1;
760    }
761    addOption("-Ximage-compiler-option");
762    addOption("--image-classes=/system/etc/preloaded-classes");
763
764    // If there is a compiled-classes file, push it.
765    if (hasFile("/system/etc/compiled-classes")) {
766        addOption("-Ximage-compiler-option");
767        addOption("--compiled-classes=/system/etc/compiled-classes");
768    }
769
770    property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
771    parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
772
773    // Extra options for DexClassLoader.
774    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
775                               "-Xms", "-Xcompiler-option");
776    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
777                               "-Xmx", "-Xcompiler-option");
778    if (skip_compilation) {
779        addOption("-Xcompiler-option");
780        addOption("--compiler-filter=verify-none");
781
782        // We skip compilation when a minimal runtime is brought up for decryption. In that case
783        // /data is temporarily backed by a tmpfs, which is usually small.
784        // If the system image contains prebuilts, they will be relocated into the tmpfs. In this
785        // specific situation it is acceptable to *not* relocate and run out of the prebuilts
786        // directly instead.
787        addOption("--runtime-arg");
788        addOption("-Xnorelocate");
789    } else {
790        parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
791                            "--compiler-filter=", "-Xcompiler-option");
792    }
793    parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option");
794    parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j",
795                        "-Ximage-compiler-option");
796
797    // The runtime will compile a boot image, when necessary, not using installd. Thus, we need to
798    // pass the instruction-set-features/variant as an image-compiler-option.
799    // TODO: Find a better way for the instruction-set.
800#if defined(__arm__)
801    constexpr const char* instruction_set = "arm";
802#elif defined(__aarch64__)
803    constexpr const char* instruction_set = "arm64";
804#elif defined(__mips__) && !defined(__LP64__)
805    constexpr const char* instruction_set = "mips";
806#elif defined(__mips__) && defined(__LP64__)
807    constexpr const char* instruction_set = "mips64";
808#elif defined(__i386__)
809    constexpr const char* instruction_set = "x86";
810#elif defined(__x86_64__)
811    constexpr const char* instruction_set = "x86_64";
812#else
813    constexpr const char* instruction_set = "unknown";
814#endif
815    // Note: it is OK to reuse the buffer, as the values are exactly the same between
816    //       * compiler-option, used for runtime compilation (DexClassLoader)
817    //       * image-compiler-option, used for boot-image compilation on device
818
819    // Copy the variant.
820    sprintf(dex2oat_isa_variant_key, "dalvik.vm.isa.%s.variant", instruction_set);
821    parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
822                        "--instruction-set-variant=", "-Ximage-compiler-option");
823    parseCompilerOption(dex2oat_isa_variant_key, dex2oat_isa_variant,
824                        "--instruction-set-variant=", "-Xcompiler-option");
825    // Copy the features.
826    sprintf(dex2oat_isa_features_key, "dalvik.vm.isa.%s.features", instruction_set);
827    parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
828                        "--instruction-set-features=", "-Ximage-compiler-option");
829    parseCompilerOption(dex2oat_isa_features_key, dex2oat_isa_features,
830                        "--instruction-set-features=", "-Xcompiler-option");
831
832
833    property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
834    parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
835
836    /* extra options; parse this late so it overrides others */
837    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
838    parseExtraOpts(extraOptsBuf, NULL);
839
840    /* Set the properties for locale */
841    {
842        strcpy(localeOption, "-Duser.locale=");
843        const std::string locale = readLocale();
844        strncat(localeOption, locale.c_str(), PROPERTY_VALUE_MAX);
845        addOption(localeOption);
846    }
847
848    // Trace files are stored in /data/misc/trace which is writable only in debug mode.
849    property_get("ro.debuggable", propBuf, "0");
850    if (strcmp(propBuf, "1") == 0) {
851        property_get("dalvik.vm.method-trace", propBuf, "false");
852        if (strcmp(propBuf, "true") == 0) {
853            addOption("-Xmethod-trace");
854            parseRuntimeOption("dalvik.vm.method-trace-file",
855                               methodTraceFileBuf,
856                               "-Xmethod-trace-file:");
857            parseRuntimeOption("dalvik.vm.method-trace-file-siz",
858                               methodTraceFileSizeBuf,
859                               "-Xmethod-trace-file-size:");
860            property_get("dalvik.vm.method-trace-stream", propBuf, "false");
861            if (strcmp(propBuf, "true") == 0) {
862                addOption("-Xmethod-trace-stream");
863            }
864        }
865    }
866
867    // Native bridge library. "0" means that native bridge is disabled.
868    property_get("ro.dalvik.vm.native.bridge", propBuf, "");
869    if (propBuf[0] == '\0') {
870        ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
871    } else if (strcmp(propBuf, "0") != 0) {
872        snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
873                 "-XX:NativeBridge=%s", propBuf);
874        addOption(nativeBridgeLibrary);
875    }
876
877#if defined(__LP64__)
878    const char* cpu_abilist_property_name = "ro.product.cpu.abilist64";
879#else
880    const char* cpu_abilist_property_name = "ro.product.cpu.abilist32";
881#endif  // defined(__LP64__)
882    property_get(cpu_abilist_property_name, propBuf, "");
883    if (propBuf[0] == '\0') {
884        ALOGE("%s is not expected to be empty", cpu_abilist_property_name);
885        return -1;
886    }
887    snprintf(cpuAbiListBuf, sizeof(cpuAbiListBuf), "--cpu-abilist=%s", propBuf);
888    addOption(cpuAbiListBuf);
889
890    // Dalvik-cache pruning counter.
891    parseRuntimeOption("dalvik.vm.zygote.max-boot-retry", cachePruneBuf,
892                       "-Xzygote-max-boot-retry=");
893
894    /*
895     * When running with debug.generate-debug-info, add --generate-debug-info to
896     * the compiler options so that the boot image, if it is compiled on device,
897     * will include native debugging information.
898     */
899    property_get("debug.generate-debug-info", propBuf, "");
900    if (strcmp(propBuf, "true") == 0) {
901        addOption("-Xcompiler-option");
902        addOption("--generate-debug-info");
903        addOption("-Ximage-compiler-option");
904        addOption("--generate-debug-info");
905    }
906
907    /*
908     * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will
909     * contain the fingerprint and can be parsed.
910     */
911    parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:");
912
913    initArgs.version = JNI_VERSION_1_4;
914    initArgs.options = mOptions.editArray();
915    initArgs.nOptions = mOptions.size();
916    initArgs.ignoreUnrecognized = JNI_FALSE;
917
918    /*
919     * Initialize the VM.
920     *
921     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
922     * If this call succeeds, the VM is ready, and we can start issuing
923     * JNI calls.
924     */
925    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
926        ALOGE("JNI_CreateJavaVM failed\n");
927        return -1;
928    }
929
930    return 0;
931}
932
933char* AndroidRuntime::toSlashClassName(const char* className)
934{
935    char* result = strdup(className);
936    for (char* cp = result; *cp != '\0'; cp++) {
937        if (*cp == '.') {
938            *cp = '/';
939        }
940    }
941    return result;
942}
943
944/** Create a Java string from an ASCII or Latin-1 string */
945jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
946    if (!bytes) return NULL;
947    int length = strlen(bytes);
948    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
949    if (!buffer) return NULL;
950    jchar* chp = buffer;
951    for (int i = 0; i < length; i++) {
952        *chp++ = *bytes++;
953    }
954    return env->NewString(buffer, length);
955}
956
957
958/*
959 * Start the Android runtime.  This involves starting the virtual machine
960 * and calling the "static void main(String[] args)" method in the class
961 * named by "className".
962 *
963 * Passes the main function two arguments, the class name and the specified
964 * options string.
965 */
966void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote)
967{
968    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
969            className != NULL ? className : "(unknown)", getuid());
970
971    static const String8 startSystemServer("start-system-server");
972
973    /*
974     * 'startSystemServer == true' means runtime is obsolete and not run from
975     * init.rc anymore, so we print out the boot start event here.
976     */
977    for (size_t i = 0; i < options.size(); ++i) {
978        if (options[i] == startSystemServer) {
979           /* track our progress through the boot sequence */
980           const int LOG_BOOT_PROGRESS_START = 3000;
981           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
982        }
983    }
984
985    const char* rootDir = getenv("ANDROID_ROOT");
986    if (rootDir == NULL) {
987        rootDir = "/system";
988        if (!hasDir("/system")) {
989            LOG_FATAL("No root directory specified, and /android does not exist.");
990            return;
991        }
992        setenv("ANDROID_ROOT", rootDir, 1);
993    }
994
995    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
996    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
997
998    /* start the virtual machine */
999    JniInvocation jni_invocation;
1000    jni_invocation.Init(NULL);
1001    JNIEnv* env;
1002    if (startVm(&mJavaVM, &env, zygote) != 0) {
1003        return;
1004    }
1005    onVmCreated(env);
1006
1007    /*
1008     * Register android functions.
1009     */
1010    if (startReg(env) < 0) {
1011        ALOGE("Unable to register all android natives\n");
1012        return;
1013    }
1014
1015    /*
1016     * We want to call main() with a String array with arguments in it.
1017     * At present we have two arguments, the class name and an option string.
1018     * Create an array to hold them.
1019     */
1020    jclass stringClass;
1021    jobjectArray strArray;
1022    jstring classNameStr;
1023
1024    stringClass = env->FindClass("java/lang/String");
1025    assert(stringClass != NULL);
1026    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1027    assert(strArray != NULL);
1028    classNameStr = env->NewStringUTF(className);
1029    assert(classNameStr != NULL);
1030    env->SetObjectArrayElement(strArray, 0, classNameStr);
1031
1032    for (size_t i = 0; i < options.size(); ++i) {
1033        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1034        assert(optionsStr != NULL);
1035        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1036    }
1037
1038    /*
1039     * Start VM.  This thread becomes the main thread of the VM, and will
1040     * not return until the VM exits.
1041     */
1042    char* slashClassName = toSlashClassName(className);
1043    jclass startClass = env->FindClass(slashClassName);
1044    if (startClass == NULL) {
1045        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1046        /* keep going */
1047    } else {
1048        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1049            "([Ljava/lang/String;)V");
1050        if (startMeth == NULL) {
1051            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1052            /* keep going */
1053        } else {
1054            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1055
1056#if 0
1057            if (env->ExceptionCheck())
1058                threadExitUncaughtException(env);
1059#endif
1060        }
1061    }
1062    free(slashClassName);
1063
1064    ALOGD("Shutting down VM\n");
1065    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1066        ALOGW("Warning: unable to detach main thread\n");
1067    if (mJavaVM->DestroyJavaVM() != 0)
1068        ALOGW("Warning: VM did not shut down cleanly\n");
1069}
1070
1071void AndroidRuntime::exit(int code)
1072{
1073    if (mExitWithoutCleanup) {
1074        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1075        ::_exit(code);
1076    } else {
1077        ALOGI("VM exiting with result code %d.", code);
1078        onExit(code);
1079        ::exit(code);
1080    }
1081}
1082
1083void AndroidRuntime::onVmCreated(JNIEnv* env)
1084{
1085    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1086}
1087
1088/*
1089 * Get the JNIEnv pointer for this thread.
1090 *
1091 * Returns NULL if the slot wasn't allocated or populated.
1092 */
1093/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1094{
1095    JNIEnv* env;
1096    JavaVM* vm = AndroidRuntime::getJavaVM();
1097    assert(vm != NULL);
1098
1099    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1100        return NULL;
1101    return env;
1102}
1103
1104/*
1105 * Makes the current thread visible to the VM.
1106 *
1107 * The JNIEnv pointer returned is only valid for the current thread, and
1108 * thus must be tucked into thread-local storage.
1109 */
1110static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1111{
1112    JavaVMAttachArgs args;
1113    JavaVM* vm;
1114    jint result;
1115
1116    vm = AndroidRuntime::getJavaVM();
1117    assert(vm != NULL);
1118
1119    args.version = JNI_VERSION_1_4;
1120    args.name = (char*) threadName;
1121    args.group = NULL;
1122
1123    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1124    if (result != JNI_OK)
1125        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1126
1127    return result;
1128}
1129
1130/*
1131 * Detach the current thread from the set visible to the VM.
1132 */
1133static int javaDetachThread(void)
1134{
1135    JavaVM* vm;
1136    jint result;
1137
1138    vm = AndroidRuntime::getJavaVM();
1139    assert(vm != NULL);
1140
1141    result = vm->DetachCurrentThread();
1142    if (result != JNI_OK)
1143        ALOGE("ERROR: thread detach failed\n");
1144    return result;
1145}
1146
1147/*
1148 * When starting a native thread that will be visible from the VM, we
1149 * bounce through this to get the right attach/detach action.
1150 * Note that this function calls free(args)
1151 */
1152/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1153    void* start = ((void**)args)[0];
1154    void* userData = ((void **)args)[1];
1155    char* name = (char*) ((void **)args)[2];        // we own this storage
1156    free(args);
1157    JNIEnv* env;
1158    int result;
1159
1160    /* hook us into the VM */
1161    if (javaAttachThread(name, &env) != JNI_OK)
1162        return -1;
1163
1164    /* start the thread running */
1165    result = (*(android_thread_func_t)start)(userData);
1166
1167    /* unhook us */
1168    javaDetachThread();
1169    free(name);
1170
1171    return result;
1172}
1173
1174/*
1175 * This is invoked from androidCreateThreadEtc() via the callback
1176 * set with androidSetCreateThreadFunc().
1177 *
1178 * We need to create the new thread in such a way that it gets hooked
1179 * into the VM before it really starts executing.
1180 */
1181/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1182                                android_thread_func_t entryFunction,
1183                                void* userData,
1184                                const char* threadName,
1185                                int32_t threadPriority,
1186                                size_t threadStackSize,
1187                                android_thread_id_t* threadId)
1188{
1189    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1190    int result;
1191
1192    LOG_ALWAYS_FATAL_IF(threadName == nullptr, "threadName not provided to javaCreateThreadEtc");
1193
1194    args[0] = (void*) entryFunction;
1195    args[1] = userData;
1196    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1197
1198    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1199        threadName, threadPriority, threadStackSize, threadId);
1200    return result;
1201}
1202
1203/*
1204 * Create a thread that is visible from the VM.
1205 *
1206 * This is called from elsewhere in the library.
1207 */
1208/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1209    void (*start)(void *), void* arg)
1210{
1211    android_thread_id_t threadId = 0;
1212    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1213        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1214    return threadId;
1215}
1216
1217#if 0
1218static void quickTest(void* arg)
1219{
1220    const char* str = (const char*) arg;
1221
1222    printf("In quickTest: %s\n", str);
1223}
1224#endif
1225
1226#ifdef NDEBUG
1227    #define REG_JNI(name)      { name }
1228    struct RegJNIRec {
1229        int (*mProc)(JNIEnv*);
1230    };
1231#else
1232    #define REG_JNI(name)      { name, #name }
1233    struct RegJNIRec {
1234        int (*mProc)(JNIEnv*);
1235        const char* mName;
1236    };
1237#endif
1238
1239typedef void (*RegJAMProc)();
1240
1241static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1242{
1243    for (size_t i = 0; i < count; i++) {
1244        if (array[i].mProc(env) < 0) {
1245#ifndef NDEBUG
1246            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1247#endif
1248            return -1;
1249        }
1250    }
1251    return 0;
1252}
1253
1254static const RegJNIRec gRegJNI[] = {
1255    REG_JNI(register_com_android_internal_os_RuntimeInit),
1256    REG_JNI(register_android_os_SystemClock),
1257    REG_JNI(register_android_util_EventLog),
1258    REG_JNI(register_android_util_Log),
1259    REG_JNI(register_android_util_PathParser),
1260    REG_JNI(register_android_app_admin_SecurityLog),
1261    REG_JNI(register_android_content_AssetManager),
1262    REG_JNI(register_android_content_StringBlock),
1263    REG_JNI(register_android_content_XmlBlock),
1264    REG_JNI(register_android_text_AndroidCharacter),
1265    REG_JNI(register_android_text_StaticLayout),
1266    REG_JNI(register_android_text_AndroidBidi),
1267    REG_JNI(register_android_view_InputDevice),
1268    REG_JNI(register_android_view_KeyCharacterMap),
1269    REG_JNI(register_android_os_Process),
1270    REG_JNI(register_android_os_SystemProperties),
1271    REG_JNI(register_android_os_Binder),
1272    REG_JNI(register_android_os_Parcel),
1273    REG_JNI(register_android_nio_utils),
1274    REG_JNI(register_android_graphics_Canvas),
1275    REG_JNI(register_android_graphics_Graphics),
1276    REG_JNI(register_android_view_DisplayEventReceiver),
1277    REG_JNI(register_android_view_RenderNode),
1278    REG_JNI(register_android_view_RenderNodeAnimator),
1279    REG_JNI(register_android_view_GraphicBuffer),
1280    REG_JNI(register_android_view_DisplayListCanvas),
1281    REG_JNI(register_android_view_HardwareLayer),
1282    REG_JNI(register_android_view_ThreadedRenderer),
1283    REG_JNI(register_android_view_Surface),
1284    REG_JNI(register_android_view_SurfaceControl),
1285    REG_JNI(register_android_view_SurfaceSession),
1286    REG_JNI(register_android_view_TextureView),
1287    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1288    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1289    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1290    REG_JNI(register_android_opengl_jni_EGL14),
1291    REG_JNI(register_android_opengl_jni_EGLExt),
1292    REG_JNI(register_android_opengl_jni_GLES10),
1293    REG_JNI(register_android_opengl_jni_GLES10Ext),
1294    REG_JNI(register_android_opengl_jni_GLES11),
1295    REG_JNI(register_android_opengl_jni_GLES11Ext),
1296    REG_JNI(register_android_opengl_jni_GLES20),
1297    REG_JNI(register_android_opengl_jni_GLES30),
1298    REG_JNI(register_android_opengl_jni_GLES31),
1299    REG_JNI(register_android_opengl_jni_GLES31Ext),
1300    REG_JNI(register_android_opengl_jni_GLES32),
1301
1302    REG_JNI(register_android_graphics_Bitmap),
1303    REG_JNI(register_android_graphics_BitmapFactory),
1304    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1305    REG_JNI(register_android_graphics_Camera),
1306    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1307    REG_JNI(register_android_graphics_CanvasProperty),
1308    REG_JNI(register_android_graphics_ColorFilter),
1309    REG_JNI(register_android_graphics_DrawFilter),
1310    REG_JNI(register_android_graphics_FontFamily),
1311    REG_JNI(register_android_graphics_Interpolator),
1312    REG_JNI(register_android_graphics_LayerRasterizer),
1313    REG_JNI(register_android_graphics_MaskFilter),
1314    REG_JNI(register_android_graphics_Matrix),
1315    REG_JNI(register_android_graphics_Movie),
1316    REG_JNI(register_android_graphics_NinePatch),
1317    REG_JNI(register_android_graphics_Paint),
1318    REG_JNI(register_android_graphics_Path),
1319    REG_JNI(register_android_graphics_PathMeasure),
1320    REG_JNI(register_android_graphics_PathEffect),
1321    REG_JNI(register_android_graphics_Picture),
1322    REG_JNI(register_android_graphics_PorterDuff),
1323    REG_JNI(register_android_graphics_Rasterizer),
1324    REG_JNI(register_android_graphics_Region),
1325    REG_JNI(register_android_graphics_Shader),
1326    REG_JNI(register_android_graphics_SurfaceTexture),
1327    REG_JNI(register_android_graphics_Typeface),
1328    REG_JNI(register_android_graphics_Xfermode),
1329    REG_JNI(register_android_graphics_YuvImage),
1330    REG_JNI(register_android_graphics_drawable_AnimatedVectorDrawable),
1331    REG_JNI(register_android_graphics_drawable_VectorDrawable),
1332    REG_JNI(register_android_graphics_pdf_PdfDocument),
1333    REG_JNI(register_android_graphics_pdf_PdfEditor),
1334    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1335
1336    REG_JNI(register_android_database_CursorWindow),
1337    REG_JNI(register_android_database_SQLiteConnection),
1338    REG_JNI(register_android_database_SQLiteGlobal),
1339    REG_JNI(register_android_database_SQLiteDebug),
1340    REG_JNI(register_android_os_Debug),
1341    REG_JNI(register_android_os_FileObserver),
1342    REG_JNI(register_android_os_MessageQueue),
1343    REG_JNI(register_android_os_SELinux),
1344    REG_JNI(register_android_os_Trace),
1345    REG_JNI(register_android_os_UEventObserver),
1346    REG_JNI(register_android_net_LocalSocketImpl),
1347    REG_JNI(register_android_net_NetworkUtils),
1348    REG_JNI(register_android_net_TrafficStats),
1349    REG_JNI(register_android_os_MemoryFile),
1350    REG_JNI(register_com_android_internal_os_Zygote),
1351    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1352    REG_JNI(register_android_hardware_Camera),
1353    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1354    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1355    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1356    REG_JNI(register_android_hardware_camera2_DngCreator),
1357    REG_JNI(register_android_hardware_Radio),
1358    REG_JNI(register_android_hardware_SensorManager),
1359    REG_JNI(register_android_hardware_SerialPort),
1360    REG_JNI(register_android_hardware_SoundTrigger),
1361    REG_JNI(register_android_hardware_UsbDevice),
1362    REG_JNI(register_android_hardware_UsbDeviceConnection),
1363    REG_JNI(register_android_hardware_UsbRequest),
1364    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1365    REG_JNI(register_android_hardware_location_ContextHubService),
1366    REG_JNI(register_android_media_AudioRecord),
1367    REG_JNI(register_android_media_AudioSystem),
1368    REG_JNI(register_android_media_AudioTrack),
1369    REG_JNI(register_android_media_JetPlayer),
1370    REG_JNI(register_android_media_RemoteDisplay),
1371    REG_JNI(register_android_media_ToneGenerator),
1372
1373    REG_JNI(register_android_opengl_classes),
1374    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1375    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1376    REG_JNI(register_android_backup_BackupDataInput),
1377    REG_JNI(register_android_backup_BackupDataOutput),
1378    REG_JNI(register_android_backup_FileBackupHelperBase),
1379    REG_JNI(register_android_backup_BackupHelperDispatcher),
1380    REG_JNI(register_android_app_backup_FullBackup),
1381    REG_JNI(register_android_app_ApplicationLoaders),
1382    REG_JNI(register_android_app_Activity),
1383    REG_JNI(register_android_app_ActivityThread),
1384    REG_JNI(register_android_app_NativeActivity),
1385    REG_JNI(register_android_util_jar_StrictJarFile),
1386    REG_JNI(register_android_view_InputChannel),
1387    REG_JNI(register_android_view_InputEventReceiver),
1388    REG_JNI(register_android_view_InputEventSender),
1389    REG_JNI(register_android_view_InputQueue),
1390    REG_JNI(register_android_view_KeyEvent),
1391    REG_JNI(register_android_view_MotionEvent),
1392    REG_JNI(register_android_view_PointerIcon),
1393    REG_JNI(register_android_view_VelocityTracker),
1394
1395    REG_JNI(register_android_content_res_ObbScanner),
1396    REG_JNI(register_android_content_res_Configuration),
1397
1398    REG_JNI(register_android_animation_PropertyValuesHolder),
1399    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1400    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1401
1402};
1403
1404/*
1405 * Register android native functions with the VM.
1406 */
1407/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1408{
1409    ATRACE_NAME("RegisterAndroidNatives");
1410    /*
1411     * This hook causes all future threads created in this process to be
1412     * attached to the JavaVM.  (This needs to go away in favor of JNI
1413     * Attach calls.)
1414     */
1415    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1416
1417    ALOGV("--- registering native functions ---\n");
1418
1419    /*
1420     * Every "register" function calls one or more things that return
1421     * a local reference (e.g. FindClass).  Because we haven't really
1422     * started the VM yet, they're all getting stored in the base frame
1423     * and never released.  Use Push/Pop to manage the storage.
1424     */
1425    env->PushLocalFrame(200);
1426
1427    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1428        env->PopLocalFrame(NULL);
1429        return -1;
1430    }
1431    env->PopLocalFrame(NULL);
1432
1433    //createJavaThread("fubar", quickTest, (void*) "hello");
1434
1435    return 0;
1436}
1437
1438AndroidRuntime* AndroidRuntime::getRuntime()
1439{
1440    return gCurRuntime;
1441}
1442
1443/**
1444 * Used by surface flinger's DdmConnection to register native methods from
1445 * the framework.
1446 */
1447extern "C" jint registerFrameworkNatives(JNIEnv* env) {
1448    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1449}
1450}   // namespace android
1451