AndroidRuntime.cpp revision b3b68d03337274ada521199d507491bc756c4319 
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    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
588
589    bool checkJni = false;
590    property_get("dalvik.vm.checkjni", propBuf, "");
591    if (strcmp(propBuf, "true") == 0) {
592        checkJni = true;
593    } else if (strcmp(propBuf, "false") != 0) {
594        /* property is neither true nor false; fall back on kernel parameter */
595        property_get("ro.kernel.android.checkjni", propBuf, "");
596        if (propBuf[0] == '1') {
597            checkJni = true;
598        }
599    }
600    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
601    if (checkJni) {
602        /* extended JNI checking */
603        addOption("-Xcheck:jni");
604
605        /* set a cap on JNI global references */
606        addOption("-Xjnigreflimit:2000");
607
608        /* with -Xcheck:jni, this provides a JNI function call trace */
609        //addOption("-verbose:jni");
610    }
611
612    property_get("dalvik.vm.execution-mode", propBuf, "");
613    if (strcmp(propBuf, "int:portable") == 0) {
614        executionMode = kEMIntPortable;
615    } else if (strcmp(propBuf, "int:fast") == 0) {
616        executionMode = kEMIntFast;
617    } else if (strcmp(propBuf, "int:jit") == 0) {
618        executionMode = kEMJitCompiler;
619    }
620
621    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
622
623    property_get("dalvik.vm.check-dex-sum", propBuf, "");
624    if (strcmp(propBuf, "true") == 0) {
625        /* perform additional DEX checksum tests */
626        addOption("-Xcheckdexsum");
627    }
628
629    property_get("log.redirect-stdio", propBuf, "");
630    if (strcmp(propBuf, "true") == 0) {
631        /* convert stdout/stderr to log messages */
632        addOption("-Xlog-stdio");
633    }
634
635    strcpy(enableAssertBuf, "-ea:");
636    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
637    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
638        /* accept "all" to mean "all classes and packages" */
639        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
640            enableAssertBuf[3] = '\0'; // truncate to "-ea"
641        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
642        addOption(enableAssertBuf);
643    } else {
644        ALOGV("Assertions disabled\n");
645    }
646
647    strcpy(jniOptsBuf, "-Xjniopts:");
648    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
649        ALOGI("JNI options: '%s'\n", jniOptsBuf);
650    }
651
652    /* route exit() to our handler */
653    addOption("exit", (void*) runtime_exit);
654
655    /* route fprintf() to our handler */
656    addOption("vfprintf", (void*) runtime_vfprintf);
657
658    /* register the framework-specific "is sensitive thread" hook */
659    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
660
661    /* enable verbose; standard options are { jni, gc, class } */
662    //addOption("-verbose:jni");
663    addOption("-verbose:gc");
664    //addOption("-verbose:class");
665
666    /*
667     * The default starting and maximum size of the heap.  Larger
668     * values should be specified in a product property override.
669     */
670    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
671    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
672
673    // Increase the main thread's interpreter stack size for bug 6315322.
674    addOption("-XX:mainThreadStackSize=24K");
675
676    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
677    parseRuntimeOption("dalvik.vm.jit.codecachesize",
678                       jitcodecachesizeOptsBuf,
679                       "-Xjitcodecachesize:");
680
681    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
682    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
683    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
684    parseRuntimeOption("dalvik.vm.heaptargetutilization",
685                       heaptargetutilizationOptsBuf,
686                       "-XX:HeapTargetUtilization=");
687
688    property_get("ro.config.low_ram", propBuf, "");
689    if (strcmp(propBuf, "true") == 0) {
690      addOption("-XX:LowMemoryMode");
691    }
692
693    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
694    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
695
696    /*
697     * Enable or disable dexopt features, such as bytecode verification and
698     * calculation of register maps for precise GC.
699     */
700    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
701    if (dexoptFlagsBuf[0] != '\0') {
702        const char* opc;
703        const char* val;
704
705        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
706        if (opc != NULL) {
707            switch (*(opc+2)) {
708            case 'n':   val = "-Xverify:none";      break;
709            case 'r':   val = "-Xverify:remote";    break;
710            case 'a':   val = "-Xverify:all";       break;
711            default:    val = NULL;                 break;
712            }
713
714            if (val != NULL) {
715                addOption(val);
716            }
717        }
718
719        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
720        if (opc != NULL) {
721            switch (*(opc+2)) {
722            case 'n':   val = "-Xdexopt:none";      break;
723            case 'v':   val = "-Xdexopt:verified";  break;
724            case 'a':   val = "-Xdexopt:all";       break;
725            case 'f':   val = "-Xdexopt:full";      break;
726            default:    val = NULL;                 break;
727            }
728
729            if (val != NULL) {
730                addOption(val);
731            }
732        }
733
734        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
735        if (opc != NULL) {
736            addOption("-Xgenregmap");
737
738            /* turn on precise GC while we're at it */
739            addOption("-Xgc:precise");
740        }
741    }
742
743    /* enable debugging; set suspend=y to pause during VM init */
744    /* use android ADB transport */
745    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
746
747    parseRuntimeOption("dalvik.vm.lockprof.threshold",
748                       lockProfThresholdBuf,
749                       "-Xlockprofthreshold:");
750
751    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
752    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
753
754    /* Force interpreter-only mode for selected methods */
755    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
756
757    if (executionMode == kEMIntPortable) {
758        addOption("-Xint:portable");
759    } else if (executionMode == kEMIntFast) {
760        addOption("-Xint:fast");
761    } else if (executionMode == kEMJitCompiler) {
762        addOption("-Xint:jit");
763    }
764
765    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
766    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
767    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
768
769    if (libart) {
770        // If we booting without the real /data, don't spend time compiling.
771        property_get("vold.decrypt", voldDecryptBuf, "");
772        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
773                                 (strcmp(voldDecryptBuf, "1") == 0));
774
775        // Extra options for boot.art/boot.oat image generation.
776        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
777                                   "-Xms", "-Ximage-compiler-option");
778        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
779                                   "-Xmx", "-Ximage-compiler-option");
780        if (skip_compilation) {
781            addOption("-Ximage-compiler-option");
782            addOption("--compiler-filter=verify-none");
783        } else {
784            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
785                                "--compiler-filter=", "-Ximage-compiler-option");
786        }
787        addOption("-Ximage-compiler-option");
788        addOption("--image-classes-zip=/system/framework/framework.jar");
789        addOption("-Ximage-compiler-option");
790        addOption("--image-classes=preloaded-classes");
791        property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
792        parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
793
794        // Extra options for DexClassLoader.
795        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xms", dex2oatXmsFlagsBuf,
796                                   "-Xms", "-Xcompiler-option");
797        parseCompilerRuntimeOption("dalvik.vm.dex2oat-Xmx", dex2oatXmxFlagsBuf,
798                                   "-Xmx", "-Xcompiler-option");
799        if (skip_compilation) {
800            addOption("-Xcompiler-option");
801            addOption("--compiler-filter=verify-none");
802        } else {
803            parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
804                                "--compiler-filter=", "-Xcompiler-option");
805        }
806        property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
807        parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
808
809    }
810
811    /* extra options; parse this late so it overrides others */
812    property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
813    parseExtraOpts(extraOptsBuf, NULL);
814
815    /* Set the properties for locale */
816    {
817        strcpy(langOption, "-Duser.language=");
818        strcpy(regionOption, "-Duser.region=");
819        readLocale(langOption, regionOption);
820        addOption(langOption);
821        addOption(regionOption);
822    }
823
824    /*
825     * Set profiler options
826     */
827    if (libart) {
828        // Whether or not the profiler should be enabled.
829        property_get("dalvik.vm.profiler", propBuf, "0");
830        if (propBuf[0] == '1') {
831            addOption("-Xenable-profiler");
832        }
833
834        // Whether the profile should start upon app startup or be delayed by some random offset
835        // (in seconds) that is bound between 0 and a fixed value.
836        property_get("dalvik.vm.profile.start-immed", propBuf, "0");
837        if (propBuf[0] == '1') {
838            addOption("-Xprofile-start-immediately");
839        }
840
841        // Number of seconds during profile runs.
842        parseRuntimeOption("dalvik.vm.profile.period-secs", profilePeriod, "-Xprofile-period:");
843
844        // Length of each profile run (seconds).
845        parseRuntimeOption("dalvik.vm.profile.duration-secs",
846                           profileDuration,
847                           "-Xprofile-duration:");
848
849        // Polling interval during profile run (microseconds).
850        parseRuntimeOption("dalvik.vm.profile.interval-us", profileInterval, "-Xprofile-interval:");
851
852        // Coefficient for period backoff.  The the period is multiplied
853        // by this value after each profile run.
854        parseRuntimeOption("dalvik.vm.profile.backoff-coeff", profileBackoff, "-Xprofile-backoff:");
855
856        // Top K% of samples that are considered relevant when
857        // deciding if the app should be recompiled.
858        parseRuntimeOption("dalvik.vm.profile.top-k-thr",
859                           profileTopKThreshold,
860                           "-Xprofile-top-k-threshold:");
861
862        // The threshold after which a change in the structure of the
863        // top K% profiled samples becomes significant and triggers
864        // recompilation. A change in profile is considered
865        // significant if X% (top-k-change-threshold) of the top K%
866        // (top-k-threshold property) samples has changed.
867        parseRuntimeOption("dalvik.vm.profile.top-k-ch-thr",
868                           profileTopKChangeThreshold,
869                           "-Xprofile-top-k-change-threshold:");
870
871        // Type of profile data.
872        parseRuntimeOption("dalvik.vm.profiler.type", profileType, "-Xprofile-type:");
873
874        // Depth of bounded stack data
875        parseRuntimeOption("dalvik.vm.profile.stack-depth",
876                           profileMaxStackDepth,
877                           "-Xprofile-max-stack-depth:");
878
879        // Native bridge library. "0" means that native bridge is disabled.
880        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
881        if (propBuf[0] == '\0') {
882            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
883        } else if (strcmp(propBuf, "0") != 0) {
884            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
885                     "-XX:NativeBridge=%s", propBuf);
886            addOption(nativeBridgeLibrary);
887        }
888    }
889
890    initArgs.version = JNI_VERSION_1_4;
891    initArgs.options = mOptions.editArray();
892    initArgs.nOptions = mOptions.size();
893    initArgs.ignoreUnrecognized = JNI_FALSE;
894
895    /*
896     * Initialize the VM.
897     *
898     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
899     * If this call succeeds, the VM is ready, and we can start issuing
900     * JNI calls.
901     */
902    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
903        ALOGE("JNI_CreateJavaVM failed\n");
904        goto bail;
905    }
906
907    result = 0;
908
909bail:
910    return result;
911}
912
913char* AndroidRuntime::toSlashClassName(const char* className)
914{
915    char* result = strdup(className);
916    for (char* cp = result; *cp != '\0'; cp++) {
917        if (*cp == '.') {
918            *cp = '/';
919        }
920    }
921    return result;
922}
923
924/*
925 * Start the Android runtime.  This involves starting the virtual machine
926 * and calling the "static void main(String[] args)" method in the class
927 * named by "className".
928 *
929 * Passes the main function two arguments, the class name and the specified
930 * options string.
931 */
932void AndroidRuntime::start(const char* className, const Vector<String8>& options)
933{
934    ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
935            className != NULL ? className : "(unknown)");
936
937    static const String8 startSystemServer("start-system-server");
938
939    /*
940     * 'startSystemServer == true' means runtime is obsolete and not run from
941     * init.rc anymore, so we print out the boot start event here.
942     */
943    for (size_t i = 0; i < options.size(); ++i) {
944        if (options[i] == startSystemServer) {
945           /* track our progress through the boot sequence */
946           const int LOG_BOOT_PROGRESS_START = 3000;
947           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
948        }
949    }
950
951    const char* rootDir = getenv("ANDROID_ROOT");
952    if (rootDir == NULL) {
953        rootDir = "/system";
954        if (!hasDir("/system")) {
955            LOG_FATAL("No root directory specified, and /android does not exist.");
956            return;
957        }
958        setenv("ANDROID_ROOT", rootDir, 1);
959    }
960
961    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
962    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
963
964    /* start the virtual machine */
965    JniInvocation jni_invocation;
966    jni_invocation.Init(NULL);
967    JNIEnv* env;
968    if (startVm(&mJavaVM, &env) != 0) {
969        return;
970    }
971    onVmCreated(env);
972
973    /*
974     * Register android functions.
975     */
976    if (startReg(env) < 0) {
977        ALOGE("Unable to register all android natives\n");
978        return;
979    }
980
981    /*
982     * We want to call main() with a String array with arguments in it.
983     * At present we have two arguments, the class name and an option string.
984     * Create an array to hold them.
985     */
986    jclass stringClass;
987    jobjectArray strArray;
988    jstring classNameStr;
989
990    stringClass = env->FindClass("java/lang/String");
991    assert(stringClass != NULL);
992    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
993    assert(strArray != NULL);
994    classNameStr = env->NewStringUTF(className);
995    assert(classNameStr != NULL);
996    env->SetObjectArrayElement(strArray, 0, classNameStr);
997
998    for (size_t i = 0; i < options.size(); ++i) {
999        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1000        assert(optionsStr != NULL);
1001        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1002    }
1003
1004    /*
1005     * Start VM.  This thread becomes the main thread of the VM, and will
1006     * not return until the VM exits.
1007     */
1008    char* slashClassName = toSlashClassName(className);
1009    jclass startClass = env->FindClass(slashClassName);
1010    if (startClass == NULL) {
1011        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1012        /* keep going */
1013    } else {
1014        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1015            "([Ljava/lang/String;)V");
1016        if (startMeth == NULL) {
1017            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1018            /* keep going */
1019        } else {
1020            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1021
1022#if 0
1023            if (env->ExceptionCheck())
1024                threadExitUncaughtException(env);
1025#endif
1026        }
1027    }
1028    free(slashClassName);
1029
1030    ALOGD("Shutting down VM\n");
1031    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1032        ALOGW("Warning: unable to detach main thread\n");
1033    if (mJavaVM->DestroyJavaVM() != 0)
1034        ALOGW("Warning: VM did not shut down cleanly\n");
1035}
1036
1037void AndroidRuntime::exit(int code)
1038{
1039    if (mExitWithoutCleanup) {
1040        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1041        ::_exit(code);
1042    } else {
1043        ALOGI("VM exiting with result code %d.", code);
1044        onExit(code);
1045        ::exit(code);
1046    }
1047}
1048
1049void AndroidRuntime::onVmCreated(JNIEnv* env)
1050{
1051    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1052}
1053
1054/*
1055 * Get the JNIEnv pointer for this thread.
1056 *
1057 * Returns NULL if the slot wasn't allocated or populated.
1058 */
1059/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1060{
1061    JNIEnv* env;
1062    JavaVM* vm = AndroidRuntime::getJavaVM();
1063    assert(vm != NULL);
1064
1065    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1066        return NULL;
1067    return env;
1068}
1069
1070/*
1071 * Makes the current thread visible to the VM.
1072 *
1073 * The JNIEnv pointer returned is only valid for the current thread, and
1074 * thus must be tucked into thread-local storage.
1075 */
1076static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1077{
1078    JavaVMAttachArgs args;
1079    JavaVM* vm;
1080    jint result;
1081
1082    vm = AndroidRuntime::getJavaVM();
1083    assert(vm != NULL);
1084
1085    args.version = JNI_VERSION_1_4;
1086    args.name = (char*) threadName;
1087    args.group = NULL;
1088
1089    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1090    if (result != JNI_OK)
1091        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1092
1093    return result;
1094}
1095
1096/*
1097 * Detach the current thread from the set visible to the VM.
1098 */
1099static int javaDetachThread(void)
1100{
1101    JavaVM* vm;
1102    jint result;
1103
1104    vm = AndroidRuntime::getJavaVM();
1105    assert(vm != NULL);
1106
1107    result = vm->DetachCurrentThread();
1108    if (result != JNI_OK)
1109        ALOGE("ERROR: thread detach failed\n");
1110    return result;
1111}
1112
1113/*
1114 * When starting a native thread that will be visible from the VM, we
1115 * bounce through this to get the right attach/detach action.
1116 * Note that this function calls free(args)
1117 */
1118/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1119    void* start = ((void**)args)[0];
1120    void* userData = ((void **)args)[1];
1121    char* name = (char*) ((void **)args)[2];        // we own this storage
1122    free(args);
1123    JNIEnv* env;
1124    int result;
1125
1126    /* hook us into the VM */
1127    if (javaAttachThread(name, &env) != JNI_OK)
1128        return -1;
1129
1130    /* start the thread running */
1131    result = (*(android_thread_func_t)start)(userData);
1132
1133    /* unhook us */
1134    javaDetachThread();
1135    free(name);
1136
1137    return result;
1138}
1139
1140/*
1141 * This is invoked from androidCreateThreadEtc() via the callback
1142 * set with androidSetCreateThreadFunc().
1143 *
1144 * We need to create the new thread in such a way that it gets hooked
1145 * into the VM before it really starts executing.
1146 */
1147/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1148                                android_thread_func_t entryFunction,
1149                                void* userData,
1150                                const char* threadName,
1151                                int32_t threadPriority,
1152                                size_t threadStackSize,
1153                                android_thread_id_t* threadId)
1154{
1155    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1156    int result;
1157
1158    assert(threadName != NULL);
1159
1160    args[0] = (void*) entryFunction;
1161    args[1] = userData;
1162    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1163
1164    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1165        threadName, threadPriority, threadStackSize, threadId);
1166    return result;
1167}
1168
1169/*
1170 * Create a thread that is visible from the VM.
1171 *
1172 * This is called from elsewhere in the library.
1173 */
1174/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1175    void (*start)(void *), void* arg)
1176{
1177    android_thread_id_t threadId = 0;
1178    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1179        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1180    return threadId;
1181}
1182
1183#if 0
1184static void quickTest(void* arg)
1185{
1186    const char* str = (const char*) arg;
1187
1188    printf("In quickTest: %s\n", str);
1189}
1190#endif
1191
1192#ifdef NDEBUG
1193    #define REG_JNI(name)      { name }
1194    struct RegJNIRec {
1195        int (*mProc)(JNIEnv*);
1196    };
1197#else
1198    #define REG_JNI(name)      { name, #name }
1199    struct RegJNIRec {
1200        int (*mProc)(JNIEnv*);
1201        const char* mName;
1202    };
1203#endif
1204
1205typedef void (*RegJAMProc)();
1206
1207static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1208{
1209    for (size_t i = 0; i < count; i++) {
1210        if (array[i].mProc(env) < 0) {
1211#ifndef NDEBUG
1212            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1213#endif
1214            return -1;
1215        }
1216    }
1217    return 0;
1218}
1219
1220static void register_jam_procs(const RegJAMProc array[], size_t count)
1221{
1222    for (size_t i = 0; i < count; i++) {
1223        array[i]();
1224    }
1225}
1226
1227static const RegJNIRec gRegJNI[] = {
1228    REG_JNI(register_com_android_internal_os_RuntimeInit),
1229    REG_JNI(register_android_os_SystemClock),
1230    REG_JNI(register_android_util_EventLog),
1231    REG_JNI(register_android_util_Log),
1232    REG_JNI(register_android_util_FloatMath),
1233    REG_JNI(register_android_content_AssetManager),
1234    REG_JNI(register_android_content_StringBlock),
1235    REG_JNI(register_android_content_XmlBlock),
1236    REG_JNI(register_android_emoji_EmojiFactory),
1237    REG_JNI(register_android_text_AndroidCharacter),
1238    REG_JNI(register_android_text_AndroidBidi),
1239    REG_JNI(register_android_view_InputDevice),
1240    REG_JNI(register_android_view_KeyCharacterMap),
1241    REG_JNI(register_android_os_Process),
1242    REG_JNI(register_android_os_SystemProperties),
1243    REG_JNI(register_android_os_Binder),
1244    REG_JNI(register_android_os_Parcel),
1245    REG_JNI(register_android_view_DisplayEventReceiver),
1246    REG_JNI(register_android_nio_utils),
1247    REG_JNI(register_android_graphics_Graphics),
1248    REG_JNI(register_android_view_GraphicBuffer),
1249    REG_JNI(register_android_view_GLES20DisplayList),
1250    REG_JNI(register_android_view_GLES20Canvas),
1251    REG_JNI(register_android_view_HardwareRenderer),
1252    REG_JNI(register_android_view_Surface),
1253    REG_JNI(register_android_view_SurfaceControl),
1254    REG_JNI(register_android_view_SurfaceSession),
1255    REG_JNI(register_android_view_TextureView),
1256    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1257    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1258    REG_JNI(register_android_opengl_jni_EGL14),
1259    REG_JNI(register_android_opengl_jni_EGLExt),
1260    REG_JNI(register_android_opengl_jni_GLES10),
1261    REG_JNI(register_android_opengl_jni_GLES10Ext),
1262    REG_JNI(register_android_opengl_jni_GLES11),
1263    REG_JNI(register_android_opengl_jni_GLES11Ext),
1264    REG_JNI(register_android_opengl_jni_GLES20),
1265    REG_JNI(register_android_opengl_jni_GLES30),
1266
1267    REG_JNI(register_android_graphics_Bitmap),
1268    REG_JNI(register_android_graphics_BitmapFactory),
1269    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1270    REG_JNI(register_android_graphics_Camera),
1271    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1272    REG_JNI(register_android_graphics_Canvas),
1273    REG_JNI(register_android_graphics_ColorFilter),
1274    REG_JNI(register_android_graphics_DrawFilter),
1275    REG_JNI(register_android_graphics_Interpolator),
1276    REG_JNI(register_android_graphics_LayerRasterizer),
1277    REG_JNI(register_android_graphics_MaskFilter),
1278    REG_JNI(register_android_graphics_Matrix),
1279    REG_JNI(register_android_graphics_Movie),
1280    REG_JNI(register_android_graphics_NinePatch),
1281    REG_JNI(register_android_graphics_Paint),
1282    REG_JNI(register_android_graphics_Path),
1283    REG_JNI(register_android_graphics_PathMeasure),
1284    REG_JNI(register_android_graphics_PathEffect),
1285    REG_JNI(register_android_graphics_Picture),
1286    REG_JNI(register_android_graphics_PorterDuff),
1287    REG_JNI(register_android_graphics_Rasterizer),
1288    REG_JNI(register_android_graphics_Region),
1289    REG_JNI(register_android_graphics_Shader),
1290    REG_JNI(register_android_graphics_SurfaceTexture),
1291    REG_JNI(register_android_graphics_Typeface),
1292    REG_JNI(register_android_graphics_Xfermode),
1293    REG_JNI(register_android_graphics_YuvImage),
1294    REG_JNI(register_android_graphics_pdf_PdfDocument),
1295
1296    REG_JNI(register_android_database_CursorWindow),
1297    REG_JNI(register_android_database_SQLiteConnection),
1298    REG_JNI(register_android_database_SQLiteGlobal),
1299    REG_JNI(register_android_database_SQLiteDebug),
1300    REG_JNI(register_android_os_Debug),
1301    REG_JNI(register_android_os_FileObserver),
1302    REG_JNI(register_android_os_MessageQueue),
1303    REG_JNI(register_android_os_SELinux),
1304    REG_JNI(register_android_os_Trace),
1305    REG_JNI(register_android_os_UEventObserver),
1306    REG_JNI(register_android_net_LocalSocketImpl),
1307    REG_JNI(register_android_net_NetworkUtils),
1308    REG_JNI(register_android_net_TrafficStats),
1309    REG_JNI(register_android_net_wifi_WifiNative),
1310    REG_JNI(register_android_os_MemoryFile),
1311    REG_JNI(register_com_android_internal_os_ZygoteInit),
1312    REG_JNI(register_com_android_internal_os_Zygote),
1313    REG_JNI(register_android_hardware_Camera),
1314    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1315    REG_JNI(register_android_hardware_SensorManager),
1316    REG_JNI(register_android_hardware_SerialPort),
1317    REG_JNI(register_android_hardware_UsbDevice),
1318    REG_JNI(register_android_hardware_UsbDeviceConnection),
1319    REG_JNI(register_android_hardware_UsbRequest),
1320    REG_JNI(register_android_media_AudioRecord),
1321    REG_JNI(register_android_media_AudioSystem),
1322    REG_JNI(register_android_media_AudioTrack),
1323    REG_JNI(register_android_media_JetPlayer),
1324    REG_JNI(register_android_media_RemoteDisplay),
1325    REG_JNI(register_android_media_ToneGenerator),
1326
1327    REG_JNI(register_android_opengl_classes),
1328    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1329    REG_JNI(register_android_server_Watchdog),
1330    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1331    REG_JNI(register_android_backup_BackupDataInput),
1332    REG_JNI(register_android_backup_BackupDataOutput),
1333    REG_JNI(register_android_backup_FileBackupHelperBase),
1334    REG_JNI(register_android_backup_BackupHelperDispatcher),
1335    REG_JNI(register_android_app_backup_FullBackup),
1336    REG_JNI(register_android_app_ActivityThread),
1337    REG_JNI(register_android_app_NativeActivity),
1338    REG_JNI(register_android_view_InputChannel),
1339    REG_JNI(register_android_view_InputEventReceiver),
1340    REG_JNI(register_android_view_InputEventSender),
1341    REG_JNI(register_android_view_InputQueue),
1342    REG_JNI(register_android_view_KeyEvent),
1343    REG_JNI(register_android_view_MotionEvent),
1344    REG_JNI(register_android_view_PointerIcon),
1345    REG_JNI(register_android_view_VelocityTracker),
1346
1347    REG_JNI(register_android_content_res_ObbScanner),
1348    REG_JNI(register_android_content_res_Configuration),
1349
1350    REG_JNI(register_android_animation_PropertyValuesHolder),
1351    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1352    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1353};
1354
1355/*
1356 * Register android native functions with the VM.
1357 */
1358/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1359{
1360    /*
1361     * This hook causes all future threads created in this process to be
1362     * attached to the JavaVM.  (This needs to go away in favor of JNI
1363     * Attach calls.)
1364     */
1365    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1366
1367    ALOGV("--- registering native functions ---\n");
1368
1369    /*
1370     * Every "register" function calls one or more things that return
1371     * a local reference (e.g. FindClass).  Because we haven't really
1372     * started the VM yet, they're all getting stored in the base frame
1373     * and never released.  Use Push/Pop to manage the storage.
1374     */
1375    env->PushLocalFrame(200);
1376
1377    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1378        env->PopLocalFrame(NULL);
1379        return -1;
1380    }
1381    env->PopLocalFrame(NULL);
1382
1383    //createJavaThread("fubar", quickTest, (void*) "hello");
1384
1385    return 0;
1386}
1387
1388AndroidRuntime* AndroidRuntime::getRuntime()
1389{
1390    return gCurRuntime;
1391}
1392
1393/**
1394 * Used by WithFramework to register native functions.
1395 */
1396extern "C"
1397jint Java_com_android_internal_util_WithFramework_registerNatives(
1398        JNIEnv* env, jclass clazz) {
1399    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1400}
1401
1402/**
1403 * Used by LoadClass to register native functions.
1404 */
1405extern "C"
1406jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1407    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1408}
1409
1410}   // namespace android
1411