AndroidRuntime.cpp revision 108166c749f0418d45f220419a9611c4afec1311 
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#include <SkImageRef_GlobalPool.h>
33
34#include "jni.h"
35#include "JNIHelp.h"
36#include "JniInvocation.h"
37#include "android_util_Binder.h"
38
39#include <stdio.h>
40#include <signal.h>
41#include <sys/stat.h>
42#include <sys/types.h>
43#include <signal.h>
44#include <dirent.h>
45#include <assert.h>
46
47
48using namespace android;
49
50extern int register_android_os_Binder(JNIEnv* env);
51extern int register_android_os_Process(JNIEnv* env);
52extern int register_android_graphics_Bitmap(JNIEnv*);
53extern int register_android_graphics_BitmapFactory(JNIEnv*);
54extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
55extern int register_android_graphics_Camera(JNIEnv* env);
56extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
57extern int register_android_graphics_Graphics(JNIEnv* env);
58extern int register_android_graphics_Interpolator(JNIEnv* env);
59extern int register_android_graphics_LayerRasterizer(JNIEnv*);
60extern int register_android_graphics_MaskFilter(JNIEnv* env);
61extern int register_android_graphics_Movie(JNIEnv* env);
62extern int register_android_graphics_NinePatch(JNIEnv*);
63extern int register_android_graphics_PathEffect(JNIEnv* env);
64extern int register_android_graphics_Shader(JNIEnv* env);
65extern int register_android_graphics_Typeface(JNIEnv* env);
66extern int register_android_graphics_YuvImage(JNIEnv* env);
67
68extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
69extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
70extern int register_android_opengl_jni_EGL14(JNIEnv* env);
71extern int register_android_opengl_jni_EGLExt(JNIEnv* env);
72extern int register_android_opengl_jni_GLES10(JNIEnv* env);
73extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
74extern int register_android_opengl_jni_GLES11(JNIEnv* env);
75extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
76extern int register_android_opengl_jni_GLES20(JNIEnv* env);
77extern int register_android_opengl_jni_GLES30(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_SensorManager(JNIEnv *env);
82extern int register_android_hardware_SerialPort(JNIEnv *env);
83extern int register_android_hardware_UsbDevice(JNIEnv *env);
84extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
85extern int register_android_hardware_UsbRequest(JNIEnv *env);
86
87extern int register_android_media_AudioRecord(JNIEnv *env);
88extern int register_android_media_AudioSystem(JNIEnv *env);
89extern int register_android_media_AudioTrack(JNIEnv *env);
90extern int register_android_media_JetPlayer(JNIEnv *env);
91extern int register_android_media_ToneGenerator(JNIEnv *env);
92
93extern int register_android_util_FloatMath(JNIEnv* env);
94
95namespace android {
96
97/*
98 * JNI-based registration functions.  Note these are properly contained in
99 * namespace android.
100 */
101extern int register_android_content_AssetManager(JNIEnv* env);
102extern int register_android_util_EventLog(JNIEnv* env);
103extern int register_android_util_Log(JNIEnv* env);
104extern int register_android_content_StringBlock(JNIEnv* env);
105extern int register_android_content_XmlBlock(JNIEnv* env);
106extern int register_android_emoji_EmojiFactory(JNIEnv* env);
107extern int register_android_graphics_Canvas(JNIEnv* env);
108extern int register_android_graphics_ColorFilter(JNIEnv* env);
109extern int register_android_graphics_DrawFilter(JNIEnv* env);
110extern int register_android_graphics_Matrix(JNIEnv* env);
111extern int register_android_graphics_Paint(JNIEnv* env);
112extern int register_android_graphics_Path(JNIEnv* env);
113extern int register_android_graphics_PathMeasure(JNIEnv* env);
114extern int register_android_graphics_Picture(JNIEnv*);
115extern int register_android_graphics_PorterDuff(JNIEnv* env);
116extern int register_android_graphics_Rasterizer(JNIEnv* env);
117extern int register_android_graphics_Region(JNIEnv* env);
118extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
119extern int register_android_graphics_Xfermode(JNIEnv* env);
120extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
121extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
122extern int register_android_view_GraphicBuffer(JNIEnv* env);
123extern int register_android_view_GLES20DisplayList(JNIEnv* env);
124extern int register_android_view_GLES20Canvas(JNIEnv* env);
125extern int register_android_view_HardwareRenderer(JNIEnv* env);
126extern int register_android_view_Surface(JNIEnv* env);
127extern int register_android_view_SurfaceControl(JNIEnv* env);
128extern int register_android_view_SurfaceSession(JNIEnv* env);
129extern int register_android_view_TextureView(JNIEnv* env);
130extern int register_android_database_CursorWindow(JNIEnv* env);
131extern int register_android_database_SQLiteConnection(JNIEnv* env);
132extern int register_android_database_SQLiteGlobal(JNIEnv* env);
133extern int register_android_database_SQLiteDebug(JNIEnv* env);
134extern int register_android_nio_utils(JNIEnv* env);
135extern int register_android_os_Debug(JNIEnv* env);
136extern int register_android_os_MessageQueue(JNIEnv* env);
137extern int register_android_os_Parcel(JNIEnv* env);
138extern int register_android_os_SELinux(JNIEnv* env);
139extern int register_android_os_SystemProperties(JNIEnv *env);
140extern int register_android_os_SystemClock(JNIEnv* env);
141extern int register_android_os_Trace(JNIEnv* env);
142extern int register_android_os_FileObserver(JNIEnv *env);
143extern int register_android_os_UEventObserver(JNIEnv* env);
144extern int register_android_os_MemoryFile(JNIEnv* env);
145extern int register_android_net_LocalSocketImpl(JNIEnv* env);
146extern int register_android_net_NetworkUtils(JNIEnv* env);
147extern int register_android_net_TrafficStats(JNIEnv* env);
148extern int register_android_net_wifi_WifiNative(JNIEnv* env);
149extern int register_android_text_AndroidCharacter(JNIEnv *env);
150extern int register_android_text_AndroidBidi(JNIEnv *env);
151extern int register_android_opengl_classes(JNIEnv *env);
152extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
153extern int register_android_server_Watchdog(JNIEnv* env);
154extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
155extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
156extern int register_android_backup_BackupDataInput(JNIEnv *env);
157extern int register_android_backup_BackupDataOutput(JNIEnv *env);
158extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
159extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
160extern int register_android_app_backup_FullBackup(JNIEnv *env);
161extern int register_android_app_ActivityThread(JNIEnv *env);
162extern int register_android_app_NativeActivity(JNIEnv *env);
163extern int register_android_media_RemoteDisplay(JNIEnv *env);
164extern int register_android_view_InputChannel(JNIEnv* env);
165extern int register_android_view_InputDevice(JNIEnv* env);
166extern int register_android_view_InputEventReceiver(JNIEnv* env);
167extern int register_android_view_InputEventSender(JNIEnv* env);
168extern int register_android_view_InputQueue(JNIEnv* env);
169extern int register_android_view_KeyCharacterMap(JNIEnv *env);
170extern int register_android_view_KeyEvent(JNIEnv* env);
171extern int register_android_view_MotionEvent(JNIEnv* env);
172extern int register_android_view_PointerIcon(JNIEnv* env);
173extern int register_android_view_VelocityTracker(JNIEnv* env);
174extern int register_android_content_res_ObbScanner(JNIEnv* env);
175extern int register_android_content_res_Configuration(JNIEnv* env);
176extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
177extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
178extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
179extern int register_com_android_internal_os_Zygote(JNIEnv *env);
180
181static AndroidRuntime* gCurRuntime = NULL;
182
183static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
184{
185    if (jniThrowException(env, exc, msg) != 0)
186        assert(false);
187}
188
189/*
190 * Code written in the Java Programming Language calls here from main().
191 */
192static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
193{
194    gCurRuntime->onStarted();
195}
196
197static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
198{
199    gCurRuntime->onZygoteInit();
200}
201
202static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
203        jobject clazz, jboolean exitWithoutCleanup)
204{
205    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
206}
207
208/*
209 * JNI registration.
210 */
211static JNINativeMethod gMethods[] = {
212    { "nativeFinishInit", "()V",
213        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
214    { "nativeZygoteInit", "()V",
215        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
216    { "nativeSetExitWithoutCleanup", "(Z)V",
217        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
218};
219
220int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
221{
222    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
223        gMethods, NELEM(gMethods));
224}
225
226// ----------------------------------------------------------------------
227
228/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
229
230AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
231        mExitWithoutCleanup(false),
232        mArgBlockStart(argBlockStart),
233        mArgBlockLength(argBlockLength)
234{
235    SkGraphics::Init();
236    // this sets our preference for 16bit images during decode
237    // in case the src is opaque and 24bit
238    SkImageDecoder::SetDeviceConfig(SkBitmap::kRGB_565_Config);
239    // This cache is shared between browser native images, and java "purgeable"
240    // bitmaps. This globalpool is for images that do not either use the java
241    // heap, or are not backed by ashmem. See BitmapFactory.cpp for the key
242    // java call site.
243    SkImageRef_GlobalPool::SetRAMBudget(512 * 1024);
244    // There is also a global font cache, but its budget is specified in code
245    // see SkFontHost_android.cpp
246
247    // Pre-allocate enough space to hold a fair number of options.
248    mOptions.setCapacity(20);
249
250    assert(gCurRuntime == NULL);        // one per process
251    gCurRuntime = this;
252}
253
254AndroidRuntime::~AndroidRuntime()
255{
256    SkGraphics::Term();
257}
258
259/*
260 * Register native methods using JNI.
261 */
262/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
263    const char* className, const JNINativeMethod* gMethods, int numMethods)
264{
265    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
266}
267
268void AndroidRuntime::setArgv0(const char* argv0) {
269    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
270}
271
272status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
273    const Vector<String8>& args)
274{
275    JNIEnv* env;
276    jmethodID methodId;
277
278    ALOGD("Calling main entry %s", className.string());
279
280    env = getJNIEnv();
281    if (clazz == NULL || env == NULL) {
282        return UNKNOWN_ERROR;
283    }
284
285    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
286    if (methodId == NULL) {
287        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
288        return UNKNOWN_ERROR;
289    }
290
291    /*
292     * We want to call main() with a String array with our arguments in it.
293     * Create an array and populate it.
294     */
295    jclass stringClass;
296    jobjectArray strArray;
297
298    const size_t numArgs = args.size();
299    stringClass = env->FindClass("java/lang/String");
300    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
301
302    for (size_t i = 0; i < numArgs; i++) {
303        jstring argStr = env->NewStringUTF(args[i].string());
304        env->SetObjectArrayElement(strArray, i, argStr);
305    }
306
307    env->CallStaticVoidMethod(clazz, methodId, strArray);
308    return NO_ERROR;
309}
310
311/*
312 * The VM calls this through the "exit" hook.
313 */
314static void runtime_exit(int code)
315{
316    gCurRuntime->exit(code);
317}
318
319/*
320 * The VM calls this through the "vfprintf" hook.
321 *
322 * We ignore "fp" and just write the results to the log file.
323 */
324static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
325{
326    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
327}
328
329/**
330 * The VM calls this when mutex contention debugging is enabled to
331 * determine whether or not the blocked thread was a "sensitive thread"
332 * for user responsiveness/smoothess.
333 *
334 * Our policy for this is whether or not we're tracing any StrictMode
335 * events on this thread (which we might've inherited via Binder calls
336 * into us)
337 */
338static bool runtime_isSensitiveThread() {
339    IPCThreadState* state = IPCThreadState::selfOrNull();
340    return state && state->getStrictModePolicy() != 0;
341}
342
343
344/**
345 * Add VM arguments to the to-be-executed VM
346 * Stops at first non '-' argument (also stops at an argument of '--')
347 * Returns the number of args consumed
348 */
349int AndroidRuntime::addVmArguments(int argc, const char* const argv[])
350{
351    int i;
352
353    for (i = 0; i<argc; i++) {
354        if (argv[i][0] != '-') {
355            return i;
356        }
357        if (argv[i][1] == '-' && argv[i][2] == 0) {
358            return i+1;
359        }
360        addOption(argv[i]);
361    }
362    return i;
363}
364
365static int hasDir(const char* dir)
366{
367    struct stat s;
368    int res = stat(dir, &s);
369    if (res == 0) {
370        return S_ISDIR(s.st_mode);
371    }
372    return 0;
373}
374
375/*
376 * Read the persistent locale.
377 */
378static void readLocale(char* language, char* region)
379{
380    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
381
382    property_get("persist.sys.language", propLang, "");
383    property_get("persist.sys.country", propRegn, "");
384    if (*propLang == 0 && *propRegn == 0) {
385        /* Set to ro properties, default is en_US */
386        property_get("ro.product.locale.language", propLang, "en");
387        property_get("ro.product.locale.region", propRegn, "US");
388    }
389    strncat(language, propLang, 3);
390    strncat(region, propRegn, 3);
391    //ALOGD("language=%s region=%s\n", language, region);
392}
393
394void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
395{
396    JavaVMOption opt;
397    opt.optionString = optionString;
398    opt.extraInfo = extraInfo;
399    mOptions.add(opt);
400}
401
402/*
403 * Parse a property containing space-separated options that should be
404 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
405 *
406 * This will cut up "extraOptsBuf" as we chop it into individual options.
407 *
408 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
409 *
410 * Adds the strings, if any, to mOptions.
411 */
412void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
413{
414    char* start = extraOptsBuf;
415    char* end = NULL;
416    while (*start != '\0') {
417        while (*start == ' ')                   /* skip leading whitespace */
418            start++;
419        if (*start == '\0')                     /* was trailing ws, bail */
420            break;
421
422        end = start+1;
423        while (*end != ' ' && *end != '\0')     /* find end of token */
424            end++;
425        if (*end == ' ')
426            *end++ = '\0';          /* mark end, advance to indicate more */
427
428        if (quotingArg != NULL) {
429            addOption(quotingArg);
430        }
431        addOption(start);
432        start = end;
433    }
434}
435
436/*
437 * Reads a "property" into "buffer" with a default of "defaultArg". If
438 * the property is non-empty, it is treated as a runtime option such
439 * as "-Xmx32m".
440 *
441 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
442 *
443 * If an argument is found, it is added to mOptions.
444 *
445 * If an option is found, it is added to mOptions and true is
446 * returned. Otherwise false is returned.
447 */
448bool AndroidRuntime::parseRuntimeOption(const char* property,
449                                        char* buffer,
450                                        const char* runtimeArg,
451                                        const char* defaultArg)
452{
453    strcpy(buffer, runtimeArg);
454    size_t runtimeArgLen = strlen(runtimeArg);
455    property_get(property, buffer+runtimeArgLen, defaultArg);
456    if (buffer[runtimeArgLen] == '\0') {
457        return false;
458    }
459    addOption(buffer);
460    return true;
461}
462
463/*
464 * Reads a "property" into "buffer". If the property is non-empty, it
465 * is treated as a dex2oat compiler option that should be
466 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
467 *
468 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
469 *
470 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
471 *
472 * If an option is found, it is added to mOptions and true is
473 * returned. Otherwise false is returned.
474 */
475bool AndroidRuntime::parseCompilerOption(const char* property,
476                                         char* buffer,
477                                         const char* compilerArg,
478                                         const char* quotingArg)
479{
480    strcpy(buffer, compilerArg);
481    size_t compilerArgLen = strlen(compilerArg);
482    property_get(property, buffer+compilerArgLen, "");
483    if (buffer[compilerArgLen] == '\0') {
484        return false;
485    }
486    addOption(quotingArg);
487    addOption(buffer);
488    return true;
489}
490
491/*
492 * Reads a "property" into "buffer". If the property is non-empty, it
493 * is treated as a dex2oat compiler runtime option that should be
494 * passed as a quoted option, e.g. "-Ximage-compiler-option
495 * --runtime-arg -Ximage-compiler-option -Xmx32m".
496 *
497 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
498 *
499 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
500 *
501 * If an option is found, it is added to mOptions and true is
502 * returned. Otherwise false is returned.
503 */
504bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
505                                                char* buffer,
506                                                const char* runtimeArg,
507                                                const char* quotingArg)
508{
509    strcpy(buffer, runtimeArg);
510    size_t runtimeArgLen = strlen(runtimeArg);
511    property_get(property, buffer+runtimeArgLen, "");
512    if (buffer[runtimeArgLen] == '\0') {
513        return false;
514    }
515    addOption(quotingArg);
516    addOption("--runtime-arg");
517    addOption(quotingArg);
518    addOption(buffer);
519    return true;
520}
521
522/*
523 * Start the Dalvik Virtual Machine.
524 *
525 * Various arguments, most determined by system properties, are passed in.
526 * The "mOptions" vector is updated.
527 *
528 * CAUTION: when adding options in here, be careful not to put the
529 * char buffer inside a nested scope.  Adding the buffer to the
530 * options using mOptions.add() does not copy the buffer, so if the
531 * buffer goes out of scope the option may be overwritten.  It's best
532 * to put the buffer at the top of the function so that it is more
533 * unlikely that someone will surround it in a scope at a later time
534 * and thus introduce a bug.
535 *
536 * Returns 0 on success.
537 */
538int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
539{
540    int result = -1;
541    JavaVMInitArgs initArgs;
542    char propBuf[PROPERTY_VALUE_MAX];
543    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
544    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
545    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
546    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
547    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
548    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
549    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
550    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
551    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-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 jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
556    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
557    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
558    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
559    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
560    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
561    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
562    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-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 langOption[sizeof("-Duser.language=") + 3];
583    char regionOption[sizeof("-Duser.region=") + 3];
584    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
585    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
586    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
587
588    bool checkJni = false;
589    property_get("dalvik.vm.checkjni", propBuf, "");
590    if (strcmp(propBuf, "true") == 0) {
591        checkJni = true;
592    } else if (strcmp(propBuf, "false") != 0) {
593        /* property is neither true nor false; fall back on kernel parameter */
594        property_get("ro.kernel.android.checkjni", propBuf, "");
595        if (propBuf[0] == '1') {
596            checkJni = true;
597        }
598    }
599    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
600    if (checkJni) {
601        /* extended JNI checking */
602        addOption("-Xcheck:jni");
603
604        /* set a cap on JNI global references */
605        addOption("-Xjnigreflimit:2000");
606
607        /* with -Xcheck:jni, this provides a JNI function call trace */
608        //addOption("-verbose:jni");
609    }
610
611    property_get("dalvik.vm.execution-mode", propBuf, "");
612    if (strcmp(propBuf, "int:portable") == 0) {
613        executionMode = kEMIntPortable;
614    } else if (strcmp(propBuf, "int:fast") == 0) {
615        executionMode = kEMIntFast;
616    } else if (strcmp(propBuf, "int:jit") == 0) {
617        executionMode = kEMJitCompiler;
618    }
619
620    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
621
622    property_get("dalvik.vm.check-dex-sum", propBuf, "");
623    if (strcmp(propBuf, "true") == 0) {
624        /* perform additional DEX checksum tests */
625        addOption("-Xcheckdexsum");
626    }
627
628    property_get("log.redirect-stdio", propBuf, "");
629    if (strcmp(propBuf, "true") == 0) {
630        /* convert stdout/stderr to log messages */
631        addOption("-Xlog-stdio");
632    }
633
634    strcpy(enableAssertBuf, "-ea:");
635    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
636    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
637        /* accept "all" to mean "all classes and packages" */
638        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
639            enableAssertBuf[3] = '\0'; // truncate to "-ea"
640        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
641        addOption(enableAssertBuf);
642    } else {
643        ALOGV("Assertions disabled\n");
644    }
645
646    strcpy(jniOptsBuf, "-Xjniopts:");
647    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
648        ALOGI("JNI options: '%s'\n", jniOptsBuf);
649    }
650
651    /* route exit() to our handler */
652    addOption("exit", (void*) runtime_exit);
653
654    /* route fprintf() to our handler */
655    addOption("vfprintf", (void*) runtime_vfprintf);
656
657    /* register the framework-specific "is sensitive thread" hook */
658    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
659
660    /* enable verbose; standard options are { jni, gc, class } */
661    //addOption("-verbose:jni");
662    addOption("-verbose:gc");
663    //addOption("-verbose:class");
664
665    /*
666     * The default starting and maximum size of the heap.  Larger
667     * values should be specified in a product property override.
668     */
669    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
670    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
671
672    // Increase the main thread's interpreter stack size for bug 6315322.
673    addOption("-XX:mainThreadStackSize=24K");
674
675    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
676    parseRuntimeOption("dalvik.vm.jit.codecachesize",
677                       jitcodecachesizeOptsBuf,
678                       "-Xjitcodecachesize:");
679
680    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
681    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
682    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
683    parseRuntimeOption("dalvik.vm.heaptargetutilization",
684                       heaptargetutilizationOptsBuf,
685                       "-XX:HeapTargetUtilization=");
686
687    property_get("ro.config.low_ram", propBuf, "");
688    if (strcmp(propBuf, "true") == 0) {
689      addOption("-XX:LowMemoryMode");
690    }
691
692    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
693    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
694
695    /*
696     * Enable or disable dexopt features, such as bytecode verification and
697     * calculation of register maps for precise GC.
698     */
699    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
700    if (dexoptFlagsBuf[0] != '\0') {
701        const char* opc;
702        const char* val;
703
704        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
705        if (opc != NULL) {
706            switch (*(opc+2)) {
707            case 'n':   val = "-Xverify:none";      break;
708            case 'r':   val = "-Xverify:remote";    break;
709            case 'a':   val = "-Xverify:all";       break;
710            default:    val = NULL;                 break;
711            }
712
713            if (val != NULL) {
714                addOption(val);
715            }
716        }
717
718        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
719        if (opc != NULL) {
720            switch (*(opc+2)) {
721            case 'n':   val = "-Xdexopt:none";      break;
722            case 'v':   val = "-Xdexopt:verified";  break;
723            case 'a':   val = "-Xdexopt:all";       break;
724            case 'f':   val = "-Xdexopt:full";      break;
725            default:    val = NULL;                 break;
726            }
727
728            if (val != NULL) {
729                addOption(val);
730            }
731        }
732
733        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
734        if (opc != NULL) {
735            addOption("-Xgenregmap");
736
737            /* turn on precise GC while we're at it */
738            addOption("-Xgc:precise");
739        }
740    }
741
742    /* enable debugging; set suspend=y to pause during VM init */
743    /* use android ADB transport */
744    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
745
746    parseRuntimeOption("dalvik.vm.lockprof.threshold",
747                       lockProfThresholdBuf,
748                       "-Xlockprofthreshold:");
749
750    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
751    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
752
753    /* Force interpreter-only mode for selected methods */
754    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
755
756    if (executionMode == kEMIntPortable) {
757        addOption("-Xint:portable");
758    } else if (executionMode == kEMIntFast) {
759        addOption("-Xint:fast");
760    } else if (executionMode == kEMJitCompiler) {
761        addOption("-Xint:jit");
762    }
763
764    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
765    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
766    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
767
768    if (libart) {
769        // If we booting without the real /data, don't spend time compiling.
770        property_get("vold.decrypt", voldDecryptBuf, "");
771        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
772                                 (strcmp(voldDecryptBuf, "1") == 0));
773
774        // Extra options for boot.art/boot.oat image generation.
775        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
776                                   "-Xms", "-Ximage-compiler-option");
777        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
778                                   "-Xmx", "-Ximage-compiler-option");
779        if (skip_compilation) {
780            addOption("-Ximage-compiler-option");
781            addOption("--compiler-filter=verify-none");
782        } else {
783            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
784                                "--compiler-filter=", "-Ximage-compiler-option");
785        }
786        addOption("-Ximage-compiler-option");
787        addOption("--image-classes-zip=/system/framework/framework.jar");
788        addOption("-Ximage-compiler-option");
789        addOption("--image-classes=preloaded-classes");
790        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
791        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
792
793        // Extra options for DexClassLoader.
794        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
795                                   "-Xms", "-Xcompiler-option");
796        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
797                                   "-Xmx", "-Xcompiler-option");
798        if (skip_compilation) {
799            addOption("-Xcompiler-option");
800            addOption("--compiler-filter=interpret-only");
801        } else {
802            parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
803                                "--compiler-filter=", "-Xcompiler-option");
804        }
805        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
806        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
807
808    }
809
810    /* extra options; parse this late so it overrides others */
811    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
812    parseExtraOpts(extraOptsBuf, NULL);
813
814    /* Set the properties for locale */
815    {
816        strcpy(langOption, "-Duser.language=");
817        strcpy(regionOption, "-Duser.region=");
818        readLocale(langOption, regionOption);
819        addOption(langOption);
820        addOption(regionOption);
821    }
822
823    /*
824     * Set profiler options
825     */
826    if (libart) {
827        // Whether or not the profiler should be enabled.
828        property_get("dalvik.vm.profiler", propBuf, "0");
829        if (propBuf[0] == '1') {
830            addOption("-Xenable-profiler");
831        }
832
833        // Whether the profile should start upon app startup or be delayed by some random offset
834        // (in seconds) that is bound between 0 and a fixed value.
835        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
836        if (propBuf[0] == '1') {
837            addOption("-Xprofile-start-immediately");
838        }
839
840        // Number of seconds during profile runs.
841        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
842
843        // Length of each profile run (seconds).
844        parseRuntimeOption("dalvik.vm.profile.duration-secs",
845                           profileDuration,
846                           "-Xprofile-duration:");
847
848        // Polling interval during profile run (microseconds).
849        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
850
851        // Coefficient for period backoff.  The the period is multiplied
852        // by this value after each profile run.
853        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
854
855        // Top K% of samples that are considered relevant when
856        // deciding if the app should be recompiled.
857        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
858                           profileTopKThreshold,
859                           "-Xprofile-top-k-threshold:");
860
861        // The threshold after which a change in the structure of the
862        // top K% profiled samples becomes significant and triggers
863        // recompilation. A change in profile is considered
864        // significant if X% (top-k-change-threshold) of the top K%
865        // (top-k-threshold property) samples has changed.
866        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
867                           profileTopKChangeThreshold,
868                           "-Xprofile-top-k-change-threshold:");
869
870        // Type of profile data.
871        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
872
873        // Depth of bounded stack data
874        parseRuntimeOption("dalvik.vm.profile.max-stack-depth",
875                           profileMaxStackDepth,
876                           "-Xprofile-max-stack-depth:");
877    }
878
879    initArgs.version = JNI_VERSION_1_4;
880    initArgs.options = mOptions.editArray();
881    initArgs.nOptions = mOptions.size();
882    initArgs.ignoreUnrecognized = JNI_FALSE;
883
884    /*
885     * Initialize the VM.
886     *
887     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
888     * If this call succeeds, the VM is ready, and we can start issuing
889     * JNI calls.
890     */
891    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
892        ALOGE("JNI_CreateJavaVM failed\n");
893        goto bail;
894    }
895
896    result = 0;
897
898bail:
899    return result;
900}
901
902char* AndroidRuntime::toSlashClassName(const char* className)
903{
904    char* result = strdup(className);
905    for (char* cp = result; *cp != '\0'; cp++) {
906        if (*cp == '.') {
907            *cp = '/';
908        }
909    }
910    return result;
911}
912
913/*
914 * Start the Android runtime.  This involves starting the virtual machine
915 * and calling the "static void main(String[] args)" method in the class
916 * named by "className".
917 *
918 * Passes the main function two arguments, the class name and the specified
919 * options string.
920 */
921void AndroidRuntime::start(const char* className, const Vector<String8>& options)
922{
923    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
924            className != NULL ? className : "(unknown)");
925
926    static const String8 startSystemServer("start-system-server");
927
928    /*
929     * 'startSystemServer == true' means runtime is obsolete and not run from
930     * init.rc anymore, so we print out the boot start event here.
931     */
932    for (size_t i = 0; i < options.size(); ++i) {
933        if (options[i] == startSystemServer) {
934           /* track our progress through the boot sequence */
935           const int LOG_BOOT_PROGRESS_START = 3000;
936           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
937        }
938    }
939
940    const char* rootDir = getenv("ANDROID_ROOT");
941    if (rootDir == NULL) {
942        rootDir = "/system";
943        if (!hasDir("/system")) {
944            LOG_FATAL("No root directory specified, and /android does not exist.");
945            return;
946        }
947        setenv("ANDROID_ROOT", rootDir, 1);
948    }
949
950    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
951    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
952
953    /* start the virtual machine */
954    JniInvocation jni_invocation;
955    jni_invocation.Init(NULL);
956    JNIEnv* env;
957    if (startVm(&mJavaVM, &env) != 0) {
958        return;
959    }
960    onVmCreated(env);
961
962    /*
963     * Register android functions.
964     */
965    if (startReg(env) < 0) {
966        ALOGE("Unable to register all android natives\n");
967        return;
968    }
969
970    /*
971     * We want to call main() with a String array with arguments in it.
972     * At present we have two arguments, the class name and an option string.
973     * Create an array to hold them.
974     */
975    jclass stringClass;
976    jobjectArray strArray;
977    jstring classNameStr;
978
979    stringClass = env->FindClass("java/lang/String");
980    assert(stringClass != NULL);
981    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
982    assert(strArray != NULL);
983    classNameStr = env->NewStringUTF(className);
984    assert(classNameStr != NULL);
985    env->SetObjectArrayElement(strArray, 0, classNameStr);
986
987    for (size_t i = 0; i < options.size(); ++i) {
988        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
989        assert(optionsStr != NULL);
990        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
991    }
992
993    /*
994     * Start VM.  This thread becomes the main thread of the VM, and will
995     * not return until the VM exits.
996     */
997    char* slashClassName = toSlashClassName(className);
998    jclass startClass = env->FindClass(slashClassName);
999    if (startClass == NULL) {
1000        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1001        /* keep going */
1002    } else {
1003        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1004            "([Ljava/lang/String;)V");
1005        if (startMeth == NULL) {
1006            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1007            /* keep going */
1008        } else {
1009            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1010
1011#if 0
1012            if (env->ExceptionCheck())
1013                threadExitUncaughtException(env);
1014#endif
1015        }
1016    }
1017    free(slashClassName);
1018
1019    ALOGD("Shutting down VM\n");
1020    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1021        ALOGW("Warning: unable to detach main thread\n");
1022    if (mJavaVM->DestroyJavaVM() != 0)
1023        ALOGW("Warning: VM did not shut down cleanly\n");
1024}
1025
1026void AndroidRuntime::exit(int code)
1027{
1028    if (mExitWithoutCleanup) {
1029        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1030        ::_exit(code);
1031    } else {
1032        ALOGI("VM exiting with result code %d.", code);
1033        onExit(code);
1034        ::exit(code);
1035    }
1036}
1037
1038void AndroidRuntime::onVmCreated(JNIEnv* env)
1039{
1040    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1041}
1042
1043/*
1044 * Get the JNIEnv pointer for this thread.
1045 *
1046 * Returns NULL if the slot wasn't allocated or populated.
1047 */
1048/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1049{
1050    JNIEnv* env;
1051    JavaVM* vm = AndroidRuntime::getJavaVM();
1052    assert(vm != NULL);
1053
1054    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1055        return NULL;
1056    return env;
1057}
1058
1059/*
1060 * Makes the current thread visible to the VM.
1061 *
1062 * The JNIEnv pointer returned is only valid for the current thread, and
1063 * thus must be tucked into thread-local storage.
1064 */
1065static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1066{
1067    JavaVMAttachArgs args;
1068    JavaVM* vm;
1069    jint result;
1070
1071    vm = AndroidRuntime::getJavaVM();
1072    assert(vm != NULL);
1073
1074    args.version = JNI_VERSION_1_4;
1075    args.name = (char*) threadName;
1076    args.group = NULL;
1077
1078    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1079    if (result != JNI_OK)
1080        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1081
1082    return result;
1083}
1084
1085/*
1086 * Detach the current thread from the set visible to the VM.
1087 */
1088static int javaDetachThread(void)
1089{
1090    JavaVM* vm;
1091    jint result;
1092
1093    vm = AndroidRuntime::getJavaVM();
1094    assert(vm != NULL);
1095
1096    result = vm->DetachCurrentThread();
1097    if (result != JNI_OK)
1098        ALOGE("ERROR: thread detach failed\n");
1099    return result;
1100}
1101
1102/*
1103 * When starting a native thread that will be visible from the VM, we
1104 * bounce through this to get the right attach/detach action.
1105 * Note that this function calls free(args)
1106 */
1107/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1108    void* start = ((void**)args)[0];
1109    void* userData = ((void **)args)[1];
1110    char* name = (char*) ((void **)args)[2];        // we own this storage
1111    free(args);
1112    JNIEnv* env;
1113    int result;
1114
1115    /* hook us into the VM */
1116    if (javaAttachThread(name, &env) != JNI_OK)
1117        return -1;
1118
1119    /* start the thread running */
1120    result = (*(android_thread_func_t)start)(userData);
1121
1122    /* unhook us */
1123    javaDetachThread();
1124    free(name);
1125
1126    return result;
1127}
1128
1129/*
1130 * This is invoked from androidCreateThreadEtc() via the callback
1131 * set with androidSetCreateThreadFunc().
1132 *
1133 * We need to create the new thread in such a way that it gets hooked
1134 * into the VM before it really starts executing.
1135 */
1136/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1137                                android_thread_func_t entryFunction,
1138                                void* userData,
1139                                const char* threadName,
1140                                int32_t threadPriority,
1141                                size_t threadStackSize,
1142                                android_thread_id_t* threadId)
1143{
1144    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1145    int result;
1146
1147    assert(threadName != NULL);
1148
1149    args[0] = (void*) entryFunction;
1150    args[1] = userData;
1151    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1152
1153    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1154        threadName, threadPriority, threadStackSize, threadId);
1155    return result;
1156}
1157
1158/*
1159 * Create a thread that is visible from the VM.
1160 *
1161 * This is called from elsewhere in the library.
1162 */
1163/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1164    void (*start)(void *), void* arg)
1165{
1166    android_thread_id_t threadId = 0;
1167    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1168        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1169    return threadId;
1170}
1171
1172#if 0
1173static void quickTest(void* arg)
1174{
1175    const char* str = (const char*) arg;
1176
1177    printf("In quickTest: %s\n", str);
1178}
1179#endif
1180
1181#ifdef NDEBUG
1182    #define REG_JNI(name)      { name }
1183    struct RegJNIRec {
1184        int (*mProc)(JNIEnv*);
1185    };
1186#else
1187    #define REG_JNI(name)      { name, #name }
1188    struct RegJNIRec {
1189        int (*mProc)(JNIEnv*);
1190        const char* mName;
1191    };
1192#endif
1193
1194typedef void (*RegJAMProc)();
1195
1196static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1197{
1198    for (size_t i = 0; i < count; i++) {
1199        if (array[i].mProc(env) < 0) {
1200#ifndef NDEBUG
1201            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1202#endif
1203            return -1;
1204        }
1205    }
1206    return 0;
1207}
1208
1209static void register_jam_procs(const RegJAMProc array[], size_t count)
1210{
1211    for (size_t i = 0; i < count; i++) {
1212        array[i]();
1213    }
1214}
1215
1216static const RegJNIRec gRegJNI[] = {
1217    REG_JNI(register_com_android_internal_os_RuntimeInit),
1218    REG_JNI(register_android_os_SystemClock),
1219    REG_JNI(register_android_util_EventLog),
1220    REG_JNI(register_android_util_Log),
1221    REG_JNI(register_android_util_FloatMath),
1222    REG_JNI(register_android_content_AssetManager),
1223    REG_JNI(register_android_content_StringBlock),
1224    REG_JNI(register_android_content_XmlBlock),
1225    REG_JNI(register_android_emoji_EmojiFactory),
1226    REG_JNI(register_android_text_AndroidCharacter),
1227    REG_JNI(register_android_text_AndroidBidi),
1228    REG_JNI(register_android_view_InputDevice),
1229    REG_JNI(register_android_view_KeyCharacterMap),
1230    REG_JNI(register_android_os_Process),
1231    REG_JNI(register_android_os_SystemProperties),
1232    REG_JNI(register_android_os_Binder),
1233    REG_JNI(register_android_os_Parcel),
1234    REG_JNI(register_android_view_DisplayEventReceiver),
1235    REG_JNI(register_android_nio_utils),
1236    REG_JNI(register_android_graphics_Graphics),
1237    REG_JNI(register_android_view_GraphicBuffer),
1238    REG_JNI(register_android_view_GLES20DisplayList),
1239    REG_JNI(register_android_view_GLES20Canvas),
1240    REG_JNI(register_android_view_HardwareRenderer),
1241    REG_JNI(register_android_view_Surface),
1242    REG_JNI(register_android_view_SurfaceControl),
1243    REG_JNI(register_android_view_SurfaceSession),
1244    REG_JNI(register_android_view_TextureView),
1245    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1246    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1247    REG_JNI(register_android_opengl_jni_EGL14),
1248    REG_JNI(register_android_opengl_jni_EGLExt),
1249    REG_JNI(register_android_opengl_jni_GLES10),
1250    REG_JNI(register_android_opengl_jni_GLES10Ext),
1251    REG_JNI(register_android_opengl_jni_GLES11),
1252    REG_JNI(register_android_opengl_jni_GLES11Ext),
1253    REG_JNI(register_android_opengl_jni_GLES20),
1254    REG_JNI(register_android_opengl_jni_GLES30),
1255
1256    REG_JNI(register_android_graphics_Bitmap),
1257    REG_JNI(register_android_graphics_BitmapFactory),
1258    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1259    REG_JNI(register_android_graphics_Camera),
1260    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1261    REG_JNI(register_android_graphics_Canvas),
1262    REG_JNI(register_android_graphics_ColorFilter),
1263    REG_JNI(register_android_graphics_DrawFilter),
1264    REG_JNI(register_android_graphics_Interpolator),
1265    REG_JNI(register_android_graphics_LayerRasterizer),
1266    REG_JNI(register_android_graphics_MaskFilter),
1267    REG_JNI(register_android_graphics_Matrix),
1268    REG_JNI(register_android_graphics_Movie),
1269    REG_JNI(register_android_graphics_NinePatch),
1270    REG_JNI(register_android_graphics_Paint),
1271    REG_JNI(register_android_graphics_Path),
1272    REG_JNI(register_android_graphics_PathMeasure),
1273    REG_JNI(register_android_graphics_PathEffect),
1274    REG_JNI(register_android_graphics_Picture),
1275    REG_JNI(register_android_graphics_PorterDuff),
1276    REG_JNI(register_android_graphics_Rasterizer),
1277    REG_JNI(register_android_graphics_Region),
1278    REG_JNI(register_android_graphics_Shader),
1279    REG_JNI(register_android_graphics_SurfaceTexture),
1280    REG_JNI(register_android_graphics_Typeface),
1281    REG_JNI(register_android_graphics_Xfermode),
1282    REG_JNI(register_android_graphics_YuvImage),
1283    REG_JNI(register_android_graphics_pdf_PdfDocument),
1284
1285    REG_JNI(register_android_database_CursorWindow),
1286    REG_JNI(register_android_database_SQLiteConnection),
1287    REG_JNI(register_android_database_SQLiteGlobal),
1288    REG_JNI(register_android_database_SQLiteDebug),
1289    REG_JNI(register_android_os_Debug),
1290    REG_JNI(register_android_os_FileObserver),
1291    REG_JNI(register_android_os_MessageQueue),
1292    REG_JNI(register_android_os_SELinux),
1293    REG_JNI(register_android_os_Trace),
1294    REG_JNI(register_android_os_UEventObserver),
1295    REG_JNI(register_android_net_LocalSocketImpl),
1296    REG_JNI(register_android_net_NetworkUtils),
1297    REG_JNI(register_android_net_TrafficStats),
1298    REG_JNI(register_android_net_wifi_WifiNative),
1299    REG_JNI(register_android_os_MemoryFile),
1300    REG_JNI(register_com_android_internal_os_ZygoteInit),
1301    REG_JNI(register_com_android_internal_os_Zygote),
1302    REG_JNI(register_android_hardware_Camera),
1303    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1304    REG_JNI(register_android_hardware_SensorManager),
1305    REG_JNI(register_android_hardware_SerialPort),
1306    REG_JNI(register_android_hardware_UsbDevice),
1307    REG_JNI(register_android_hardware_UsbDeviceConnection),
1308    REG_JNI(register_android_hardware_UsbRequest),
1309    REG_JNI(register_android_media_AudioRecord),
1310    REG_JNI(register_android_media_AudioSystem),
1311    REG_JNI(register_android_media_AudioTrack),
1312    REG_JNI(register_android_media_JetPlayer),
1313    REG_JNI(register_android_media_RemoteDisplay),
1314    REG_JNI(register_android_media_ToneGenerator),
1315
1316    REG_JNI(register_android_opengl_classes),
1317    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1318    REG_JNI(register_android_server_Watchdog),
1319    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1320    REG_JNI(register_android_backup_BackupDataInput),
1321    REG_JNI(register_android_backup_BackupDataOutput),
1322    REG_JNI(register_android_backup_FileBackupHelperBase),
1323    REG_JNI(register_android_backup_BackupHelperDispatcher),
1324    REG_JNI(register_android_app_backup_FullBackup),
1325    REG_JNI(register_android_app_ActivityThread),
1326    REG_JNI(register_android_app_NativeActivity),
1327    REG_JNI(register_android_view_InputChannel),
1328    REG_JNI(register_android_view_InputEventReceiver),
1329    REG_JNI(register_android_view_InputEventSender),
1330    REG_JNI(register_android_view_InputQueue),
1331    REG_JNI(register_android_view_KeyEvent),
1332    REG_JNI(register_android_view_MotionEvent),
1333    REG_JNI(register_android_view_PointerIcon),
1334    REG_JNI(register_android_view_VelocityTracker),
1335
1336    REG_JNI(register_android_content_res_ObbScanner),
1337    REG_JNI(register_android_content_res_Configuration),
1338
1339    REG_JNI(register_android_animation_PropertyValuesHolder),
1340    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1341    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1342};
1343
1344/*
1345 * Register android native functions with the VM.
1346 */
1347/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1348{
1349    /*
1350     * This hook causes all future threads created in this process to be
1351     * attached to the JavaVM.  (This needs to go away in favor of JNI
1352     * Attach calls.)
1353     */
1354    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1355
1356    ALOGV("--- registering native functions ---\n");
1357
1358    /*
1359     * Every "register" function calls one or more things that return
1360     * a local reference (e.g. FindClass).  Because we haven't really
1361     * started the VM yet, they're all getting stored in the base frame
1362     * and never released.  Use Push/Pop to manage the storage.
1363     */
1364    env->PushLocalFrame(200);
1365
1366    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1367        env->PopLocalFrame(NULL);
1368        return -1;
1369    }
1370    env->PopLocalFrame(NULL);
1371
1372    //createJavaThread("fubar", quickTest, (void*) "hello");
1373
1374    return 0;
1375}
1376
1377AndroidRuntime* AndroidRuntime::getRuntime()
1378{
1379    return gCurRuntime;
1380}
1381
1382/**
1383 * Used by WithFramework to register native functions.
1384 */
1385extern "C"
1386jint Java_com_android_internal_util_WithFramework_registerNatives(
1387        JNIEnv* env, jclass clazz) {
1388    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1389}
1390
1391/**
1392 * Used by LoadClass to register native functions.
1393 */
1394extern "C"
1395jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1396    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1397}
1398
1399}   // namespace android
1400