AndroidRuntime.cpp revision e0352388238875ef7e7b31d914fc903b08ff0f6b 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "AndroidRuntime"
18//#define LOG_NDEBUG 0
19
20#include <android_runtime/AndroidRuntime.h>
21#include <binder/IBinder.h>
22#include <binder/IPCThreadState.h>
23#include <binder/IServiceManager.h>
24#include <utils/Log.h>
25#include <utils/misc.h>
26#include <binder/Parcel.h>
27#include <utils/threads.h>
28#include <cutils/properties.h>
29
30#include <SkGraphics.h>
31#include <SkImageDecoder.h>
32
33#include "jni.h"
34#include "JNIHelp.h"
35#include "JniInvocation.h"
36#include "android_util_Binder.h"
37
38#include <stdio.h>
39#include <signal.h>
40#include <sys/stat.h>
41#include <sys/types.h>
42#include <signal.h>
43#include <dirent.h>
44#include <assert.h>
45
46
47using namespace android;
48
49extern int register_android_os_Binder(JNIEnv* env);
50extern int register_android_os_Process(JNIEnv* env);
51extern int register_android_graphics_Bitmap(JNIEnv*);
52extern int register_android_graphics_BitmapFactory(JNIEnv*);
53extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
54extern int register_android_graphics_Camera(JNIEnv* env);
55extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
56extern int register_android_graphics_Graphics(JNIEnv* env);
57extern int register_android_graphics_Interpolator(JNIEnv* env);
58extern int register_android_graphics_MaskFilter(JNIEnv* env);
59extern int register_android_graphics_Movie(JNIEnv* env);
60extern int register_android_graphics_NinePatch(JNIEnv*);
61extern int register_android_graphics_PathEffect(JNIEnv* env);
62extern int register_android_graphics_Shader(JNIEnv* env);
63extern int register_android_graphics_Typeface(JNIEnv* env);
64extern int register_android_graphics_YuvImage(JNIEnv* env);
65
66extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
67extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
68extern int register_android_opengl_jni_EGL14(JNIEnv* env);
69extern int register_android_opengl_jni_EGLExt(JNIEnv* env);
70extern int register_android_opengl_jni_GLES10(JNIEnv* env);
71extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
72extern int register_android_opengl_jni_GLES11(JNIEnv* env);
73extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
74extern int register_android_opengl_jni_GLES20(JNIEnv* env);
75extern int register_android_opengl_jni_GLES30(JNIEnv* env);
76extern int register_android_opengl_jni_GLES31(JNIEnv* env);
77extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env);
78
79extern int register_android_hardware_Camera(JNIEnv *env);
80extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
81extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env);
82extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env);
83extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
84extern int register_android_hardware_SensorManager(JNIEnv *env);
85extern int register_android_hardware_SerialPort(JNIEnv *env);
86extern int register_android_hardware_SoundTrigger(JNIEnv *env);
87extern int register_android_hardware_UsbDevice(JNIEnv *env);
88extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
89extern int register_android_hardware_UsbRequest(JNIEnv *env);
90extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env);
91
92extern int register_android_media_AudioRecord(JNIEnv *env);
93extern int register_android_media_AudioSystem(JNIEnv *env);
94extern int register_android_media_AudioTrack(JNIEnv *env);
95extern int register_android_media_JetPlayer(JNIEnv *env);
96extern int register_android_media_ToneGenerator(JNIEnv *env);
97
98namespace android {
99
100/*
101 * JNI-based registration functions.  Note these are properly contained in
102 * namespace android.
103 */
104extern int register_android_content_AssetManager(JNIEnv* env);
105extern int register_android_util_EventLog(JNIEnv* env);
106extern int register_android_util_Log(JNIEnv* env);
107extern int register_android_content_StringBlock(JNIEnv* env);
108extern int register_android_content_XmlBlock(JNIEnv* env);
109extern int register_android_emoji_EmojiFactory(JNIEnv* env);
110extern int register_android_graphics_Canvas(JNIEnv* env);
111extern int register_android_graphics_CanvasProperty(JNIEnv* env);
112extern int register_android_graphics_ColorFilter(JNIEnv* env);
113extern int register_android_graphics_DrawFilter(JNIEnv* env);
114extern int register_android_graphics_FontFamily(JNIEnv* env);
115extern int register_android_graphics_LayerRasterizer(JNIEnv*);
116extern int register_android_graphics_Matrix(JNIEnv* env);
117extern int register_android_graphics_Paint(JNIEnv* env);
118extern int register_android_graphics_Path(JNIEnv* env);
119extern int register_android_graphics_PathMeasure(JNIEnv* env);
120extern int register_android_graphics_Picture(JNIEnv*);
121extern int register_android_graphics_PorterDuff(JNIEnv* env);
122extern int register_android_graphics_Rasterizer(JNIEnv* env);
123extern int register_android_graphics_Region(JNIEnv* env);
124extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
125extern int register_android_graphics_Xfermode(JNIEnv* env);
126extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
127extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
128extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
129extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
130extern int register_android_view_RenderNode(JNIEnv* env);
131extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
132extern int register_android_view_GraphicBuffer(JNIEnv* env);
133extern int register_android_view_GLES20Canvas(JNIEnv* env);
134extern int register_android_view_HardwareLayer(JNIEnv* env);
135extern int register_android_view_ThreadedRenderer(JNIEnv* env);
136extern int register_android_view_Surface(JNIEnv* env);
137extern int register_android_view_SurfaceControl(JNIEnv* env);
138extern int register_android_view_SurfaceSession(JNIEnv* env);
139extern int register_android_view_TextureView(JNIEnv* env);
140extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
141extern int register_android_database_CursorWindow(JNIEnv* env);
142extern int register_android_database_SQLiteConnection(JNIEnv* env);
143extern int register_android_database_SQLiteGlobal(JNIEnv* env);
144extern int register_android_database_SQLiteDebug(JNIEnv* env);
145extern int register_android_nio_utils(JNIEnv* env);
146extern int register_android_os_Debug(JNIEnv* env);
147extern int register_android_os_MessageQueue(JNIEnv* env);
148extern int register_android_os_Parcel(JNIEnv* env);
149extern int register_android_os_SELinux(JNIEnv* env);
150extern int register_android_os_SystemProperties(JNIEnv *env);
151extern int register_android_os_SystemClock(JNIEnv* env);
152extern int register_android_os_Trace(JNIEnv* env);
153extern int register_android_os_FileObserver(JNIEnv *env);
154extern int register_android_os_UEventObserver(JNIEnv* env);
155extern int register_android_os_MemoryFile(JNIEnv* env);
156extern int register_android_net_LocalSocketImpl(JNIEnv* env);
157extern int register_android_net_NetworkUtils(JNIEnv* env);
158extern int register_android_net_TrafficStats(JNIEnv* env);
159extern int register_android_text_AndroidCharacter(JNIEnv *env);
160extern int register_android_text_StaticLayout(JNIEnv *env);
161extern int register_android_text_AndroidBidi(JNIEnv *env);
162extern int register_android_opengl_classes(JNIEnv *env);
163extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
164extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
165extern int register_android_backup_BackupDataInput(JNIEnv *env);
166extern int register_android_backup_BackupDataOutput(JNIEnv *env);
167extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
168extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
169extern int register_android_app_backup_FullBackup(JNIEnv *env);
170extern int register_android_app_ActivityThread(JNIEnv *env);
171extern int register_android_app_NativeActivity(JNIEnv *env);
172extern int register_android_media_RemoteDisplay(JNIEnv *env);
173extern int register_android_view_InputChannel(JNIEnv* env);
174extern int register_android_view_InputDevice(JNIEnv* env);
175extern int register_android_view_InputEventReceiver(JNIEnv* env);
176extern int register_android_view_InputEventSender(JNIEnv* env);
177extern int register_android_view_InputQueue(JNIEnv* env);
178extern int register_android_view_KeyCharacterMap(JNIEnv *env);
179extern int register_android_view_KeyEvent(JNIEnv* env);
180extern int register_android_view_MotionEvent(JNIEnv* env);
181extern int register_android_view_PointerIcon(JNIEnv* env);
182extern int register_android_view_VelocityTracker(JNIEnv* env);
183extern int register_android_content_res_ObbScanner(JNIEnv* env);
184extern int register_android_content_res_Configuration(JNIEnv* env);
185extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
186extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
187extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
188extern int register_com_android_internal_os_Zygote(JNIEnv *env);
189extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
190
191static AndroidRuntime* gCurRuntime = NULL;
192
193/*
194 * Code written in the Java Programming Language calls here from main().
195 */
196static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
197{
198    gCurRuntime->onStarted();
199}
200
201static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
202{
203    gCurRuntime->onZygoteInit();
204}
205
206static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
207        jobject clazz, jboolean exitWithoutCleanup)
208{
209    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
210}
211
212/*
213 * JNI registration.
214 */
215static JNINativeMethod gMethods[] = {
216    { "nativeFinishInit", "()V",
217        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
218    { "nativeZygoteInit", "()V",
219        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
220    { "nativeSetExitWithoutCleanup", "(Z)V",
221        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
222};
223
224int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
225{
226    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
227        gMethods, NELEM(gMethods));
228}
229
230// ----------------------------------------------------------------------
231
232/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
233
234AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
235        mExitWithoutCleanup(false),
236        mArgBlockStart(argBlockStart),
237        mArgBlockLength(argBlockLength)
238{
239    SkGraphics::Init();
240    // There is also a global font cache, but its budget is specified in code
241    // see SkFontHost_android.cpp
242
243    // Pre-allocate enough space to hold a fair number of options.
244    mOptions.setCapacity(20);
245
246    assert(gCurRuntime == NULL);        // one per process
247    gCurRuntime = this;
248}
249
250AndroidRuntime::~AndroidRuntime()
251{
252    SkGraphics::Term();
253}
254
255/*
256 * Register native methods using JNI.
257 */
258/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
259    const char* className, const JNINativeMethod* gMethods, int numMethods)
260{
261    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
262}
263
264void AndroidRuntime::setArgv0(const char* argv0) {
265    memset(mArgBlockStart, 0, mArgBlockLength);
266    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
267}
268
269status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
270    const Vector<String8>& args)
271{
272    JNIEnv* env;
273    jmethodID methodId;
274
275    ALOGD("Calling main entry %s", className.string());
276
277    env = getJNIEnv();
278    if (clazz == NULL || env == NULL) {
279        return UNKNOWN_ERROR;
280    }
281
282    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
283    if (methodId == NULL) {
284        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
285        return UNKNOWN_ERROR;
286    }
287
288    /*
289     * We want to call main() with a String array with our arguments in it.
290     * Create an array and populate it.
291     */
292    jclass stringClass;
293    jobjectArray strArray;
294
295    const size_t numArgs = args.size();
296    stringClass = env->FindClass("java/lang/String");
297    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
298
299    for (size_t i = 0; i < numArgs; i++) {
300        jstring argStr = env->NewStringUTF(args[i].string());
301        env->SetObjectArrayElement(strArray, i, argStr);
302    }
303
304    env->CallStaticVoidMethod(clazz, methodId, strArray);
305    return NO_ERROR;
306}
307
308/*
309 * The VM calls this through the "exit" hook.
310 */
311static void runtime_exit(int code)
312{
313    gCurRuntime->exit(code);
314}
315
316/*
317 * The VM calls this through the "vfprintf" hook.
318 *
319 * We ignore "fp" and just write the results to the log file.
320 */
321static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
322{
323    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
324}
325
326/**
327 * The VM calls this when mutex contention debugging is enabled to
328 * determine whether or not the blocked thread was a "sensitive thread"
329 * for user responsiveness/smoothess.
330 *
331 * Our policy for this is whether or not we're tracing any StrictMode
332 * events on this thread (which we might've inherited via Binder calls
333 * into us)
334 */
335static bool runtime_isSensitiveThread() {
336    IPCThreadState* state = IPCThreadState::selfOrNull();
337    return state && state->getStrictModePolicy() != 0;
338}
339
340static int hasDir(const char* dir)
341{
342    struct stat s;
343    int res = stat(dir, &s);
344    if (res == 0) {
345        return S_ISDIR(s.st_mode);
346    }
347    return 0;
348}
349
350static bool hasFile(const char* file) {
351    struct stat s;
352    int res = stat(file, &s);
353    if (res == 0) {
354        return S_ISREG(s.st_mode);
355    }
356    return false;
357}
358
359/*
360 * Read the persistent locale. Attempts to read to persist.sys.locale
361 * and falls back to the default locale (ro.product.locale) if
362 * persist.sys.locale is empty.
363 */
364static void readLocale(char* locale)
365{
366    // Allocate 4 extra bytes because we might read a property into
367    // this array at offset 4.
368    char propLocale[PROPERTY_VALUE_MAX + 4];
369
370    property_get("persist.sys.locale", propLocale, "");
371    if (propLocale[0] == 0) {
372        property_get("ro.product.locale", propLocale, "");
373
374        if (propLocale[0] == 0) {
375            // If persist.sys.locale and ro.product.locale are missing,
376            // construct a locale value from the individual locale components.
377            property_get("ro.product.locale.language", propLocale, "en");
378
379            // The language code is either two or three chars in length. If it
380            // isn't 2 chars long, assume three. Anything else is an error
381            // anyway.
382            const int offset = (propLocale[2] == 0) ? 2 : 3;
383            propLocale[offset] = '-';
384
385            property_get("ro.product.locale.region", propLocale + offset + 1, "US");
386        }
387    }
388
389    strncat(locale, propLocale, PROPERTY_VALUE_MAX);
390    // ALOGD("[DEBUG] locale=%s", locale);
391}
392
393void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
394{
395    JavaVMOption opt;
396    opt.optionString = optionString;
397    opt.extraInfo = extraInfo;
398    mOptions.add(opt);
399}
400
401/*
402 * Parse a property containing space-separated options that should be
403 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
404 *
405 * This will cut up "extraOptsBuf" as we chop it into individual options.
406 *
407 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
408 *
409 * Adds the strings, if any, to mOptions.
410 */
411void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
412{
413    char* start = extraOptsBuf;
414    char* end = NULL;
415    while (*start != '\0') {
416        while (*start == ' ')                   /* skip leading whitespace */
417            start++;
418        if (*start == '\0')                     /* was trailing ws, bail */
419            break;
420
421        end = start+1;
422        while (*end != ' ' && *end != '\0')     /* find end of token */
423            end++;
424        if (*end == ' ')
425            *end++ = '\0';          /* mark end, advance to indicate more */
426
427        if (quotingArg != NULL) {
428            addOption(quotingArg);
429        }
430        addOption(start);
431        start = end;
432    }
433}
434
435/*
436 * Reads a "property" into "buffer" with a default of "defaultArg". If
437 * the property is non-empty, it is treated as a runtime option such
438 * as "-Xmx32m".
439 *
440 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
441 *
442 * If an argument is found, it is added to mOptions.
443 *
444 * If an option is found, it is added to mOptions and true is
445 * returned. Otherwise false is returned.
446 */
447bool AndroidRuntime::parseRuntimeOption(const char* property,
448                                        char* buffer,
449                                        const char* runtimeArg,
450                                        const char* defaultArg)
451{
452    strcpy(buffer, runtimeArg);
453    size_t runtimeArgLen = strlen(runtimeArg);
454    property_get(property, buffer+runtimeArgLen, defaultArg);
455    if (buffer[runtimeArgLen] == '\0') {
456        return false;
457    }
458    addOption(buffer);
459    return true;
460}
461
462/*
463 * Reads a "property" into "buffer". If the property is non-empty, it
464 * is treated as a dex2oat compiler option that should be
465 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
466 *
467 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
468 *
469 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
470 *
471 * If an option is found, it is added to mOptions and true is
472 * returned. Otherwise false is returned.
473 */
474bool AndroidRuntime::parseCompilerOption(const char* property,
475                                         char* buffer,
476                                         const char* compilerArg,
477                                         const char* quotingArg)
478{
479    strcpy(buffer, compilerArg);
480    size_t compilerArgLen = strlen(compilerArg);
481    property_get(property, buffer+compilerArgLen, "");
482    if (buffer[compilerArgLen] == '\0') {
483        return false;
484    }
485    addOption(quotingArg);
486    addOption(buffer);
487    return true;
488}
489
490/*
491 * Reads a "property" into "buffer". If the property is non-empty, it
492 * is treated as a dex2oat compiler runtime option that should be
493 * passed as a quoted option, e.g. "-Ximage-compiler-option
494 * --runtime-arg -Ximage-compiler-option -Xmx32m".
495 *
496 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
497 *
498 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
499 *
500 * If an option is found, it is added to mOptions and true is
501 * returned. Otherwise false is returned.
502 */
503bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
504                                                char* buffer,
505                                                const char* runtimeArg,
506                                                const char* quotingArg)
507{
508    strcpy(buffer, runtimeArg);
509    size_t runtimeArgLen = strlen(runtimeArg);
510    property_get(property, buffer+runtimeArgLen, "");
511    if (buffer[runtimeArgLen] == '\0') {
512        return false;
513    }
514    addOption(quotingArg);
515    addOption("--runtime-arg");
516    addOption(quotingArg);
517    addOption(buffer);
518    return true;
519}
520
521/*
522 * Start the Dalvik Virtual Machine.
523 *
524 * Various arguments, most determined by system properties, are passed in.
525 * The "mOptions" vector is updated.
526 *
527 * CAUTION: when adding options in here, be careful not to put the
528 * char buffer inside a nested scope.  Adding the buffer to the
529 * options using mOptions.add() does not copy the buffer, so if the
530 * buffer goes out of scope the option may be overwritten.  It's best
531 * to put the buffer at the top of the function so that it is more
532 * unlikely that someone will surround it in a scope at a later time
533 * and thus introduce a bug.
534 *
535 * Returns 0 on success.
536 */
537int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
538{
539    int result = -1;
540    JavaVMInitArgs initArgs;
541    char propBuf[PROPERTY_VALUE_MAX];
542    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
543    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
544    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
545    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
546    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
547    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
548    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
549    char usejitOptsBuf[sizeof("-Xusejit:")-1 + PROPERTY_VALUE_MAX];
550    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
551    char jitthresholdOptsBuf[sizeof("-Xjitthreshold:")-1 + PROPERTY_VALUE_MAX];
552    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
553    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
554    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
555    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
556    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
557    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
558    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
559    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
560    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
561    char dex2oatThreadsBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
562    char dex2oatThreadsImageBuf[sizeof("-j")-1 + PROPERTY_VALUE_MAX];
563    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
564    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
565    char extraOptsBuf[PROPERTY_VALUE_MAX];
566    char voldDecryptBuf[PROPERTY_VALUE_MAX];
567    enum {
568      kEMDefault,
569      kEMIntPortable,
570      kEMIntFast,
571      kEMJitCompiler,
572    } executionMode = kEMDefault;
573    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
574    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
575    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
576    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
577    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
578    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
579                                    PROPERTY_VALUE_MAX];
580    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
581    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
582    char localeOption[sizeof("-Duser.locale=") + PROPERTY_VALUE_MAX];
583    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
584    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
585
586    bool checkJni = false;
587    property_get("dalvik.vm.checkjni", propBuf, "");
588    if (strcmp(propBuf, "true") == 0) {
589        checkJni = true;
590    } else if (strcmp(propBuf, "false") != 0) {
591        /* property is neither true nor false; fall back on kernel parameter */
592        property_get("ro.kernel.android.checkjni", propBuf, "");
593        if (propBuf[0] == '1') {
594            checkJni = true;
595        }
596    }
597    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
598    if (checkJni) {
599        /* extended JNI checking */
600        addOption("-Xcheck:jni");
601
602        /* with -Xcheck:jni, this provides a JNI function call trace */
603        //addOption("-verbose:jni");
604    }
605
606    property_get("dalvik.vm.execution-mode", propBuf, "");
607    if (strcmp(propBuf, "int:portable") == 0) {
608        executionMode = kEMIntPortable;
609    } else if (strcmp(propBuf, "int:fast") == 0) {
610        executionMode = kEMIntFast;
611    } else if (strcmp(propBuf, "int:jit") == 0) {
612        executionMode = kEMJitCompiler;
613    }
614
615    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
616
617    strcpy(jniOptsBuf, "-Xjniopts:");
618    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
619        ALOGI("JNI options: '%s'\n", jniOptsBuf);
620    }
621
622    /* route exit() to our handler */
623    addOption("exit", (void*) runtime_exit);
624
625    /* route fprintf() to our handler */
626    addOption("vfprintf", (void*) runtime_vfprintf);
627
628    /* register the framework-specific "is sensitive thread" hook */
629    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
630
631    /* enable verbose; standard options are { jni, gc, class } */
632    //addOption("-verbose:jni");
633    addOption("-verbose:gc");
634    //addOption("-verbose:class");
635
636    /*
637     * The default starting and maximum size of the heap.  Larger
638     * values should be specified in a product property override.
639     */
640    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
641    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
642
643    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
644    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
645    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
646    parseRuntimeOption("dalvik.vm.heaptargetutilization",
647                       heaptargetutilizationOptsBuf,
648                       "-XX:HeapTargetUtilization=");
649
650    /*
651     * JIT related options.
652     */
653    parseRuntimeOption("dalvik.vm.usejit", usejitOptsBuf, "-Xusejit:");
654    parseRuntimeOption("dalvik.vm.jitcodecachesize", jitcodecachesizeOptsBuf, "-Xjitcodecachesize:");
655    parseRuntimeOption("dalvik.vm.jitthreshold", jitthresholdOptsBuf, "-Xjitthreshold:");
656
657    property_get("ro.config.low_ram", propBuf, "");
658    if (strcmp(propBuf, "true") == 0) {
659      addOption("-XX:LowMemoryMode");
660    }
661
662    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
663    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
664
665    /* enable debugging; set suspend=y to pause during VM init */
666    /* use android ADB transport */
667    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
668
669    parseRuntimeOption("dalvik.vm.lockprof.threshold",
670                       lockProfThresholdBuf,
671                       "-Xlockprofthreshold:");
672
673    if (executionMode == kEMIntPortable) {
674        addOption("-Xint:portable");
675    } else if (executionMode == kEMIntFast) {
676        addOption("-Xint:fast");
677    } else if (executionMode == kEMJitCompiler) {
678        addOption("-Xint:jit");
679    }
680
681    // If we are booting without the real /data, don't spend time compiling.
682    property_get("vold.decrypt", voldDecryptBuf, "");
683    bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
684                             (strcmp(voldDecryptBuf, "1") == 0));
685
686    // Extra options for boot.art/boot.oat image generation.
687    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
688                               "-Xms", "-Ximage-compiler-option");
689    parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
690                               "-Xmx", "-Ximage-compiler-option");
691    if (skip_compilation) {
692        addOption("-Ximage-compiler-option");
693        addOption("--compiler-filter=verify-none");
694    } else {
695        parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
696                            "--compiler-filter=", "-Ximage-compiler-option");
697    }
698
699    // Make sure there is a preloaded-classes file.
700    if (!hasFile("/system/etc/preloaded-classes")) {
701        ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
702              strerror(errno));
703        goto bail;
704    }
705    addOption("-Ximage-compiler-option");
706    addOption("--image-classes=/system/etc/preloaded-classes");
707
708    // If there is a compiled-classes file, push it.
709    if (hasFile("/system/etc/compiled-classes")) {
710        addOption("-Ximage-compiler-option");
711        addOption("--compiled-classes=/system/etc/compiled-classes");
712    }
713
714    property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
715    parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
716
717    // Extra options for DexClassLoader.
718    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
719                               "-Xms", "-Xcompiler-option");
720    parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
721                               "-Xmx", "-Xcompiler-option");
722    if (skip_compilation) {
723        addOption("-Xcompiler-option");
724        addOption("--compiler-filter=verify-none");
725
726        // We skip compilation when a minimal runtime is brought up for decryption. In that case
727        // /data is temporarily backed by a tmpfs, which is usually small.
728        // If the system image contains prebuilts, they will be relocated into the tmpfs. In this
729        // specific situation it is acceptable to *not* relocate and run out of the prebuilts
730        // directly instead.
731        addOption("--runtime-arg");
732        addOption("-Xnorelocate");
733    } else {
734        parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
735                            "--compiler-filter=", "-Xcompiler-option");
736    }
737    parseCompilerOption("dalvik.vm.dex2oat-threads", dex2oatThreadsBuf, "-j", "-Xcompiler-option");
738    parseCompilerOption("dalvik.vm.image-dex2oat-threads", dex2oatThreadsImageBuf, "-j",
739                        "-Ximage-compiler-option");
740    property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
741    parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
742
743    /* extra options; parse this late so it overrides others */
744    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
745    parseExtraOpts(extraOptsBuf, NULL);
746
747    /* Set the properties for locale */
748    {
749        strcpy(localeOption, "-Duser.locale=");
750        readLocale(localeOption);
751        addOption(localeOption);
752    }
753
754    /*
755     * Set profiler options
756     */
757    // Whether or not the profiler should be enabled.
758    property_get("dalvik.vm.profiler", propBuf, "0");
759    if (propBuf[0] == '1') {
760        addOption("-Xenable-profiler");
761    }
762
763    // Whether the profile should start upon app startup or be delayed by some random offset
764    // (in seconds) that is bound between 0 and a fixed value.
765    property_get("dalvik.vm.profile.start-immed", propBuf, "0");
766    if (propBuf[0] == '1') {
767        addOption("-Xprofile-start-immediately");
768    }
769
770    // Number of seconds during profile runs.
771    parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
772
773    // Length of each profile run (seconds).
774    parseRuntimeOption("dalvik.vm.profile.duration-secs",
775                       profileDuration,
776                       "-Xprofile-duration:");
777
778    // Polling interval during profile run (microseconds).
779    parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
780
781    // Coefficient for period backoff.  The the period is multiplied
782    // by this value after each profile run.
783    parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
784
785    // Top K% of samples that are considered relevant when
786    // deciding if the app should be recompiled.
787    parseRuntimeOption("dalvik.vm.profile.top-k-thr",
788                       profileTopKThreshold,
789                       "-Xprofile-top-k-threshold:");
790
791    // The threshold after which a change in the structure of the
792    // top K% profiled samples becomes significant and triggers
793    // recompilation. A change in profile is considered
794    // significant if X% (top-k-change-threshold) of the top K%
795    // (top-k-threshold property) samples has changed.
796    parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
797                       profileTopKChangeThreshold,
798                       "-Xprofile-top-k-change-threshold:");
799
800    // Type of profile data.
801    parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
802
803    // Depth of bounded stack data
804    parseRuntimeOption("dalvik.vm.profile.stack-depth",
805                       profileMaxStackDepth,
806                       "-Xprofile-max-stack-depth:");
807
808    // Native bridge library. "0" means that native bridge is disabled.
809    property_get("ro.dalvik.vm.native.bridge", propBuf, "");
810    if (propBuf[0] == '\0') {
811        ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
812    } else if (strcmp(propBuf, "0") != 0) {
813        snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
814                 "-XX:NativeBridge=%s", propBuf);
815        addOption(nativeBridgeLibrary);
816    }
817
818    initArgs.version = JNI_VERSION_1_4;
819    initArgs.options = mOptions.editArray();
820    initArgs.nOptions = mOptions.size();
821    initArgs.ignoreUnrecognized = JNI_FALSE;
822
823    /*
824     * Initialize the VM.
825     *
826     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
827     * If this call succeeds, the VM is ready, and we can start issuing
828     * JNI calls.
829     */
830    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
831        ALOGE("JNI_CreateJavaVM failed\n");
832        goto bail;
833    }
834
835    result = 0;
836
837bail:
838    return result;
839}
840
841char* AndroidRuntime::toSlashClassName(const char* className)
842{
843    char* result = strdup(className);
844    for (char* cp = result; *cp != '\0'; cp++) {
845        if (*cp == '.') {
846            *cp = '/';
847        }
848    }
849    return result;
850}
851
852/** Create a Java string from an ASCII or Latin-1 string */
853jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
854    if (!bytes) return NULL;
855    int length = strlen(bytes);
856    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
857    if (!buffer) return NULL;
858    jchar* chp = buffer;
859    for (int i = 0; i < length; i++) {
860        *chp++ = *bytes++;
861    }
862    return env->NewString(buffer, length);
863}
864
865
866/*
867 * Start the Android runtime.  This involves starting the virtual machine
868 * and calling the "static void main(String[] args)" method in the class
869 * named by "className".
870 *
871 * Passes the main function two arguments, the class name and the specified
872 * options string.
873 */
874void AndroidRuntime::start(const char* className, const Vector<String8>& options)
875{
876    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
877            className != NULL ? className : "(unknown)", getuid());
878
879    static const String8 startSystemServer("start-system-server");
880
881    /*
882     * 'startSystemServer == true' means runtime is obsolete and not run from
883     * init.rc anymore, so we print out the boot start event here.
884     */
885    for (size_t i = 0; i < options.size(); ++i) {
886        if (options[i] == startSystemServer) {
887           /* track our progress through the boot sequence */
888           const int LOG_BOOT_PROGRESS_START = 3000;
889           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
890        }
891    }
892
893    const char* rootDir = getenv("ANDROID_ROOT");
894    if (rootDir == NULL) {
895        rootDir = "/system";
896        if (!hasDir("/system")) {
897            LOG_FATAL("No root directory specified, and /android does not exist.");
898            return;
899        }
900        setenv("ANDROID_ROOT", rootDir, 1);
901    }
902
903    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
904    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
905
906    /* start the virtual machine */
907    JniInvocation jni_invocation;
908    jni_invocation.Init(NULL);
909    JNIEnv* env;
910    if (startVm(&mJavaVM, &env) != 0) {
911        return;
912    }
913    onVmCreated(env);
914
915    /*
916     * Register android functions.
917     */
918    if (startReg(env) < 0) {
919        ALOGE("Unable to register all android natives\n");
920        return;
921    }
922
923    /*
924     * We want to call main() with a String array with arguments in it.
925     * At present we have two arguments, the class name and an option string.
926     * Create an array to hold them.
927     */
928    jclass stringClass;
929    jobjectArray strArray;
930    jstring classNameStr;
931
932    stringClass = env->FindClass("java/lang/String");
933    assert(stringClass != NULL);
934    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
935    assert(strArray != NULL);
936    classNameStr = env->NewStringUTF(className);
937    assert(classNameStr != NULL);
938    env->SetObjectArrayElement(strArray, 0, classNameStr);
939
940    for (size_t i = 0; i < options.size(); ++i) {
941        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
942        assert(optionsStr != NULL);
943        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
944    }
945
946    /*
947     * Start VM.  This thread becomes the main thread of the VM, and will
948     * not return until the VM exits.
949     */
950    char* slashClassName = toSlashClassName(className);
951    jclass startClass = env->FindClass(slashClassName);
952    if (startClass == NULL) {
953        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
954        /* keep going */
955    } else {
956        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
957            "([Ljava/lang/String;)V");
958        if (startMeth == NULL) {
959            ALOGE("JavaVM unable to find main() in '%s'\n", className);
960            /* keep going */
961        } else {
962            env->CallStaticVoidMethod(startClass, startMeth, strArray);
963
964#if 0
965            if (env->ExceptionCheck())
966                threadExitUncaughtException(env);
967#endif
968        }
969    }
970    free(slashClassName);
971
972    ALOGD("Shutting down VM\n");
973    if (mJavaVM->DetachCurrentThread() != JNI_OK)
974        ALOGW("Warning: unable to detach main thread\n");
975    if (mJavaVM->DestroyJavaVM() != 0)
976        ALOGW("Warning: VM did not shut down cleanly\n");
977}
978
979void AndroidRuntime::exit(int code)
980{
981    if (mExitWithoutCleanup) {
982        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
983        ::_exit(code);
984    } else {
985        ALOGI("VM exiting with result code %d.", code);
986        onExit(code);
987        ::exit(code);
988    }
989}
990
991void AndroidRuntime::onVmCreated(JNIEnv* env)
992{
993    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
994}
995
996/*
997 * Get the JNIEnv pointer for this thread.
998 *
999 * Returns NULL if the slot wasn't allocated or populated.
1000 */
1001/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1002{
1003    JNIEnv* env;
1004    JavaVM* vm = AndroidRuntime::getJavaVM();
1005    assert(vm != NULL);
1006
1007    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1008        return NULL;
1009    return env;
1010}
1011
1012/*
1013 * Makes the current thread visible to the VM.
1014 *
1015 * The JNIEnv pointer returned is only valid for the current thread, and
1016 * thus must be tucked into thread-local storage.
1017 */
1018static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1019{
1020    JavaVMAttachArgs args;
1021    JavaVM* vm;
1022    jint result;
1023
1024    vm = AndroidRuntime::getJavaVM();
1025    assert(vm != NULL);
1026
1027    args.version = JNI_VERSION_1_4;
1028    args.name = (char*) threadName;
1029    args.group = NULL;
1030
1031    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1032    if (result != JNI_OK)
1033        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1034
1035    return result;
1036}
1037
1038/*
1039 * Detach the current thread from the set visible to the VM.
1040 */
1041static int javaDetachThread(void)
1042{
1043    JavaVM* vm;
1044    jint result;
1045
1046    vm = AndroidRuntime::getJavaVM();
1047    assert(vm != NULL);
1048
1049    result = vm->DetachCurrentThread();
1050    if (result != JNI_OK)
1051        ALOGE("ERROR: thread detach failed\n");
1052    return result;
1053}
1054
1055/*
1056 * When starting a native thread that will be visible from the VM, we
1057 * bounce through this to get the right attach/detach action.
1058 * Note that this function calls free(args)
1059 */
1060/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1061    void* start = ((void**)args)[0];
1062    void* userData = ((void **)args)[1];
1063    char* name = (char*) ((void **)args)[2];        // we own this storage
1064    free(args);
1065    JNIEnv* env;
1066    int result;
1067
1068    /* hook us into the VM */
1069    if (javaAttachThread(name, &env) != JNI_OK)
1070        return -1;
1071
1072    /* start the thread running */
1073    result = (*(android_thread_func_t)start)(userData);
1074
1075    /* unhook us */
1076    javaDetachThread();
1077    free(name);
1078
1079    return result;
1080}
1081
1082/*
1083 * This is invoked from androidCreateThreadEtc() via the callback
1084 * set with androidSetCreateThreadFunc().
1085 *
1086 * We need to create the new thread in such a way that it gets hooked
1087 * into the VM before it really starts executing.
1088 */
1089/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1090                                android_thread_func_t entryFunction,
1091                                void* userData,
1092                                const char* threadName,
1093                                int32_t threadPriority,
1094                                size_t threadStackSize,
1095                                android_thread_id_t* threadId)
1096{
1097    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1098    int result;
1099
1100    if (!threadName)
1101        threadName = "unnamed thread";
1102
1103    args[0] = (void*) entryFunction;
1104    args[1] = userData;
1105    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1106
1107    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1108        threadName, threadPriority, threadStackSize, threadId);
1109    return result;
1110}
1111
1112/*
1113 * Create a thread that is visible from the VM.
1114 *
1115 * This is called from elsewhere in the library.
1116 */
1117/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1118    void (*start)(void *), void* arg)
1119{
1120    android_thread_id_t threadId = 0;
1121    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1122        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1123    return threadId;
1124}
1125
1126#if 0
1127static void quickTest(void* arg)
1128{
1129    const char* str = (const char*) arg;
1130
1131    printf("In quickTest: %s\n", str);
1132}
1133#endif
1134
1135#ifdef NDEBUG
1136    #define REG_JNI(name)      { name }
1137    struct RegJNIRec {
1138        int (*mProc)(JNIEnv*);
1139    };
1140#else
1141    #define REG_JNI(name)      { name, #name }
1142    struct RegJNIRec {
1143        int (*mProc)(JNIEnv*);
1144        const char* mName;
1145    };
1146#endif
1147
1148typedef void (*RegJAMProc)();
1149
1150static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1151{
1152    for (size_t i = 0; i < count; i++) {
1153        if (array[i].mProc(env) < 0) {
1154#ifndef NDEBUG
1155            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1156#endif
1157            return -1;
1158        }
1159    }
1160    return 0;
1161}
1162
1163static const RegJNIRec gRegJNI[] = {
1164    REG_JNI(register_com_android_internal_os_RuntimeInit),
1165    REG_JNI(register_android_os_SystemClock),
1166    REG_JNI(register_android_util_EventLog),
1167    REG_JNI(register_android_util_Log),
1168    REG_JNI(register_android_content_AssetManager),
1169    REG_JNI(register_android_content_StringBlock),
1170    REG_JNI(register_android_content_XmlBlock),
1171    REG_JNI(register_android_emoji_EmojiFactory),
1172    REG_JNI(register_android_text_AndroidCharacter),
1173    REG_JNI(register_android_text_StaticLayout),
1174    REG_JNI(register_android_text_AndroidBidi),
1175    REG_JNI(register_android_view_InputDevice),
1176    REG_JNI(register_android_view_KeyCharacterMap),
1177    REG_JNI(register_android_os_Process),
1178    REG_JNI(register_android_os_SystemProperties),
1179    REG_JNI(register_android_os_Binder),
1180    REG_JNI(register_android_os_Parcel),
1181    REG_JNI(register_android_nio_utils),
1182    REG_JNI(register_android_graphics_Graphics),
1183    REG_JNI(register_android_view_DisplayEventReceiver),
1184    REG_JNI(register_android_view_RenderNode),
1185    REG_JNI(register_android_view_RenderNodeAnimator),
1186    REG_JNI(register_android_view_GraphicBuffer),
1187    REG_JNI(register_android_view_GLES20Canvas),
1188    REG_JNI(register_android_view_HardwareLayer),
1189    REG_JNI(register_android_view_ThreadedRenderer),
1190    REG_JNI(register_android_view_Surface),
1191    REG_JNI(register_android_view_SurfaceControl),
1192    REG_JNI(register_android_view_SurfaceSession),
1193    REG_JNI(register_android_view_TextureView),
1194    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1195    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1196    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1197    REG_JNI(register_android_opengl_jni_EGL14),
1198    REG_JNI(register_android_opengl_jni_EGLExt),
1199    REG_JNI(register_android_opengl_jni_GLES10),
1200    REG_JNI(register_android_opengl_jni_GLES10Ext),
1201    REG_JNI(register_android_opengl_jni_GLES11),
1202    REG_JNI(register_android_opengl_jni_GLES11Ext),
1203    REG_JNI(register_android_opengl_jni_GLES20),
1204    REG_JNI(register_android_opengl_jni_GLES30),
1205    REG_JNI(register_android_opengl_jni_GLES31),
1206    REG_JNI(register_android_opengl_jni_GLES31Ext),
1207
1208    REG_JNI(register_android_graphics_Bitmap),
1209    REG_JNI(register_android_graphics_BitmapFactory),
1210    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1211    REG_JNI(register_android_graphics_Camera),
1212    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1213    REG_JNI(register_android_graphics_Canvas),
1214    REG_JNI(register_android_graphics_CanvasProperty),
1215    REG_JNI(register_android_graphics_ColorFilter),
1216    REG_JNI(register_android_graphics_DrawFilter),
1217    REG_JNI(register_android_graphics_FontFamily),
1218    REG_JNI(register_android_graphics_Interpolator),
1219    REG_JNI(register_android_graphics_LayerRasterizer),
1220    REG_JNI(register_android_graphics_MaskFilter),
1221    REG_JNI(register_android_graphics_Matrix),
1222    REG_JNI(register_android_graphics_Movie),
1223    REG_JNI(register_android_graphics_NinePatch),
1224    REG_JNI(register_android_graphics_Paint),
1225    REG_JNI(register_android_graphics_Path),
1226    REG_JNI(register_android_graphics_PathMeasure),
1227    REG_JNI(register_android_graphics_PathEffect),
1228    REG_JNI(register_android_graphics_Picture),
1229    REG_JNI(register_android_graphics_PorterDuff),
1230    REG_JNI(register_android_graphics_Rasterizer),
1231    REG_JNI(register_android_graphics_Region),
1232    REG_JNI(register_android_graphics_Shader),
1233    REG_JNI(register_android_graphics_SurfaceTexture),
1234    REG_JNI(register_android_graphics_Typeface),
1235    REG_JNI(register_android_graphics_Xfermode),
1236    REG_JNI(register_android_graphics_YuvImage),
1237    REG_JNI(register_android_graphics_pdf_PdfDocument),
1238    REG_JNI(register_android_graphics_pdf_PdfEditor),
1239    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1240
1241    REG_JNI(register_android_database_CursorWindow),
1242    REG_JNI(register_android_database_SQLiteConnection),
1243    REG_JNI(register_android_database_SQLiteGlobal),
1244    REG_JNI(register_android_database_SQLiteDebug),
1245    REG_JNI(register_android_os_Debug),
1246    REG_JNI(register_android_os_FileObserver),
1247    REG_JNI(register_android_os_MessageQueue),
1248    REG_JNI(register_android_os_SELinux),
1249    REG_JNI(register_android_os_Trace),
1250    REG_JNI(register_android_os_UEventObserver),
1251    REG_JNI(register_android_net_LocalSocketImpl),
1252    REG_JNI(register_android_net_NetworkUtils),
1253    REG_JNI(register_android_net_TrafficStats),
1254    REG_JNI(register_android_os_MemoryFile),
1255    REG_JNI(register_com_android_internal_os_Zygote),
1256    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1257    REG_JNI(register_android_hardware_Camera),
1258    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1259    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1260    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1261    REG_JNI(register_android_hardware_camera2_DngCreator),
1262    REG_JNI(register_android_hardware_SensorManager),
1263    REG_JNI(register_android_hardware_SerialPort),
1264    REG_JNI(register_android_hardware_SoundTrigger),
1265    REG_JNI(register_android_hardware_UsbDevice),
1266    REG_JNI(register_android_hardware_UsbDeviceConnection),
1267    REG_JNI(register_android_hardware_UsbRequest),
1268    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1269    REG_JNI(register_android_media_AudioRecord),
1270    REG_JNI(register_android_media_AudioSystem),
1271    REG_JNI(register_android_media_AudioTrack),
1272    REG_JNI(register_android_media_JetPlayer),
1273    REG_JNI(register_android_media_RemoteDisplay),
1274    REG_JNI(register_android_media_ToneGenerator),
1275
1276    REG_JNI(register_android_opengl_classes),
1277    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1278    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1279    REG_JNI(register_android_backup_BackupDataInput),
1280    REG_JNI(register_android_backup_BackupDataOutput),
1281    REG_JNI(register_android_backup_FileBackupHelperBase),
1282    REG_JNI(register_android_backup_BackupHelperDispatcher),
1283    REG_JNI(register_android_app_backup_FullBackup),
1284    REG_JNI(register_android_app_ActivityThread),
1285    REG_JNI(register_android_app_NativeActivity),
1286    REG_JNI(register_android_view_InputChannel),
1287    REG_JNI(register_android_view_InputEventReceiver),
1288    REG_JNI(register_android_view_InputEventSender),
1289    REG_JNI(register_android_view_InputQueue),
1290    REG_JNI(register_android_view_KeyEvent),
1291    REG_JNI(register_android_view_MotionEvent),
1292    REG_JNI(register_android_view_PointerIcon),
1293    REG_JNI(register_android_view_VelocityTracker),
1294
1295    REG_JNI(register_android_content_res_ObbScanner),
1296    REG_JNI(register_android_content_res_Configuration),
1297
1298    REG_JNI(register_android_animation_PropertyValuesHolder),
1299    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1300    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1301};
1302
1303/*
1304 * Register android native functions with the VM.
1305 */
1306/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1307{
1308    /*
1309     * This hook causes all future threads created in this process to be
1310     * attached to the JavaVM.  (This needs to go away in favor of JNI
1311     * Attach calls.)
1312     */
1313    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1314
1315    ALOGV("--- registering native functions ---\n");
1316
1317    /*
1318     * Every "register" function calls one or more things that return
1319     * a local reference (e.g. FindClass).  Because we haven't really
1320     * started the VM yet, they're all getting stored in the base frame
1321     * and never released.  Use Push/Pop to manage the storage.
1322     */
1323    env->PushLocalFrame(200);
1324
1325    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1326        env->PopLocalFrame(NULL);
1327        return -1;
1328    }
1329    env->PopLocalFrame(NULL);
1330
1331    //createJavaThread("fubar", quickTest, (void*) "hello");
1332
1333    return 0;
1334}
1335
1336AndroidRuntime* AndroidRuntime::getRuntime()
1337{
1338    return gCurRuntime;
1339}
1340
1341/**
1342 * Used by WithFramework to register native functions.
1343 */
1344extern "C"
1345jint Java_com_android_internal_util_WithFramework_registerNatives(
1346        JNIEnv* env, jclass clazz) {
1347    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1348}
1349
1350/**
1351 * Used by LoadClass to register native functions.
1352 */
1353extern "C"
1354jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1355    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1356}
1357
1358}   // namespace android
1359