AndroidRuntime.cpp revision 995c62d6abd4b7080e52a60d1bffa32ae4a798a3 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "AndroidRuntime"
18//#define LOG_NDEBUG 0
19
20#include <android_runtime/AndroidRuntime.h>
21#include <binder/IBinder.h>
22#include <binder/IPCThreadState.h>
23#include <binder/IServiceManager.h>
24#include <utils/Log.h>
25#include <utils/misc.h>
26#include <binder/Parcel.h>
27#include <utils/threads.h>
28#include <cutils/properties.h>
29
30#include <SkGraphics.h>
31#include <SkImageDecoder.h>
32
33#include "jni.h"
34#include "JNIHelp.h"
35#include "JniInvocation.h"
36#include "android_util_Binder.h"
37
38#include <stdio.h>
39#include <signal.h>
40#include <sys/stat.h>
41#include <sys/types.h>
42#include <signal.h>
43#include <dirent.h>
44#include <assert.h>
45
46
47using namespace android;
48
49extern int register_android_os_Binder(JNIEnv* env);
50extern int register_android_os_Process(JNIEnv* env);
51extern int register_android_graphics_Bitmap(JNIEnv*);
52extern int register_android_graphics_BitmapFactory(JNIEnv*);
53extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
54extern int register_android_graphics_Camera(JNIEnv* env);
55extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
56extern int register_android_graphics_Graphics(JNIEnv* env);
57extern int register_android_graphics_Interpolator(JNIEnv* env);
58extern int register_android_graphics_MaskFilter(JNIEnv* env);
59extern int register_android_graphics_Movie(JNIEnv* env);
60extern int register_android_graphics_NinePatch(JNIEnv*);
61extern int register_android_graphics_PathEffect(JNIEnv* env);
62extern int register_android_graphics_Shader(JNIEnv* env);
63extern int register_android_graphics_Typeface(JNIEnv* env);
64extern int register_android_graphics_YuvImage(JNIEnv* env);
65
66extern int register_com_google_android_gles_jni_EGLImpl(JNIEnv* env);
67extern int register_com_google_android_gles_jni_GLImpl(JNIEnv* env);
68extern int register_android_opengl_jni_EGL14(JNIEnv* env);
69extern int register_android_opengl_jni_EGLExt(JNIEnv* env);
70extern int register_android_opengl_jni_GLES10(JNIEnv* env);
71extern int register_android_opengl_jni_GLES10Ext(JNIEnv* env);
72extern int register_android_opengl_jni_GLES11(JNIEnv* env);
73extern int register_android_opengl_jni_GLES11Ext(JNIEnv* env);
74extern int register_android_opengl_jni_GLES20(JNIEnv* env);
75extern int register_android_opengl_jni_GLES30(JNIEnv* env);
76extern int register_android_opengl_jni_GLES31(JNIEnv* env);
77extern int register_android_opengl_jni_GLES31Ext(JNIEnv* env);
78
79extern int register_android_hardware_Camera(JNIEnv *env);
80extern int register_android_hardware_camera2_CameraMetadata(JNIEnv *env);
81extern int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv *env);
82extern int register_android_hardware_camera2_legacy_PerfMeasurement(JNIEnv *env);
83extern int register_android_hardware_camera2_DngCreator(JNIEnv *env);
84extern int register_android_hardware_SensorManager(JNIEnv *env);
85extern int register_android_hardware_SerialPort(JNIEnv *env);
86extern int register_android_hardware_SoundTrigger(JNIEnv *env);
87extern int register_android_hardware_UsbDevice(JNIEnv *env);
88extern int register_android_hardware_UsbDeviceConnection(JNIEnv *env);
89extern int register_android_hardware_UsbRequest(JNIEnv *env);
90extern int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env);
91
92extern int register_android_media_AudioRecord(JNIEnv *env);
93extern int register_android_media_AudioSystem(JNIEnv *env);
94extern int register_android_media_AudioTrack(JNIEnv *env);
95extern int register_android_media_JetPlayer(JNIEnv *env);
96extern int register_android_media_ToneGenerator(JNIEnv *env);
97
98extern int register_android_util_FloatMath(JNIEnv* env);
99
100namespace android {
101
102/*
103 * JNI-based registration functions.  Note these are properly contained in
104 * namespace android.
105 */
106extern int register_android_content_AssetManager(JNIEnv* env);
107extern int register_android_util_EventLog(JNIEnv* env);
108extern int register_android_util_Log(JNIEnv* env);
109extern int register_android_content_StringBlock(JNIEnv* env);
110extern int register_android_content_XmlBlock(JNIEnv* env);
111extern int register_android_emoji_EmojiFactory(JNIEnv* env);
112extern int register_android_graphics_Canvas(JNIEnv* env);
113extern int register_android_graphics_CanvasProperty(JNIEnv* env);
114extern int register_android_graphics_ColorFilter(JNIEnv* env);
115extern int register_android_graphics_DrawFilter(JNIEnv* env);
116extern int register_android_graphics_FontFamily(JNIEnv* env);
117extern int register_android_graphics_LayerRasterizer(JNIEnv*);
118extern int register_android_graphics_Matrix(JNIEnv* env);
119extern int register_android_graphics_Paint(JNIEnv* env);
120extern int register_android_graphics_Path(JNIEnv* env);
121extern int register_android_graphics_PathMeasure(JNIEnv* env);
122extern int register_android_graphics_Picture(JNIEnv*);
123extern int register_android_graphics_PorterDuff(JNIEnv* env);
124extern int register_android_graphics_Rasterizer(JNIEnv* env);
125extern int register_android_graphics_Region(JNIEnv* env);
126extern int register_android_graphics_SurfaceTexture(JNIEnv* env);
127extern int register_android_graphics_Xfermode(JNIEnv* env);
128extern int register_android_graphics_pdf_PdfDocument(JNIEnv* env);
129extern int register_android_graphics_pdf_PdfEditor(JNIEnv* env);
130extern int register_android_graphics_pdf_PdfRenderer(JNIEnv* env);
131extern int register_android_view_DisplayEventReceiver(JNIEnv* env);
132extern int register_android_view_RenderNode(JNIEnv* env);
133extern int register_android_view_RenderNodeAnimator(JNIEnv* env);
134extern int register_android_view_GraphicBuffer(JNIEnv* env);
135extern int register_android_view_GLES20Canvas(JNIEnv* env);
136extern int register_android_view_HardwareLayer(JNIEnv* env);
137extern int register_android_view_ThreadedRenderer(JNIEnv* env);
138extern int register_android_view_Surface(JNIEnv* env);
139extern int register_android_view_SurfaceControl(JNIEnv* env);
140extern int register_android_view_SurfaceSession(JNIEnv* env);
141extern int register_android_view_TextureView(JNIEnv* env);
142extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
143extern int register_android_database_CursorWindow(JNIEnv* env);
144extern int register_android_database_SQLiteConnection(JNIEnv* env);
145extern int register_android_database_SQLiteGlobal(JNIEnv* env);
146extern int register_android_database_SQLiteDebug(JNIEnv* env);
147extern int register_android_nio_utils(JNIEnv* env);
148extern int register_android_os_Debug(JNIEnv* env);
149extern int register_android_os_MessageQueue(JNIEnv* env);
150extern int register_android_os_Parcel(JNIEnv* env);
151extern int register_android_os_SELinux(JNIEnv* env);
152extern int register_android_os_SystemProperties(JNIEnv *env);
153extern int register_android_os_SystemClock(JNIEnv* env);
154extern int register_android_os_Trace(JNIEnv* env);
155extern int register_android_os_FileObserver(JNIEnv *env);
156extern int register_android_os_UEventObserver(JNIEnv* env);
157extern int register_android_os_MemoryFile(JNIEnv* env);
158extern int register_android_net_LocalSocketImpl(JNIEnv* env);
159extern int register_android_net_NetworkUtils(JNIEnv* env);
160extern int register_android_net_TrafficStats(JNIEnv* env);
161extern int register_android_text_AndroidCharacter(JNIEnv *env);
162extern int register_android_text_StaticLayout(JNIEnv *env);
163extern int register_android_text_AndroidBidi(JNIEnv *env);
164extern int register_android_opengl_classes(JNIEnv *env);
165extern int register_android_ddm_DdmHandleNativeHeap(JNIEnv *env);
166extern int register_android_server_NetworkManagementSocketTagger(JNIEnv* env);
167extern int register_com_android_internal_os_ZygoteInit(JNIEnv* env);
168extern int register_android_backup_BackupDataInput(JNIEnv *env);
169extern int register_android_backup_BackupDataOutput(JNIEnv *env);
170extern int register_android_backup_FileBackupHelperBase(JNIEnv *env);
171extern int register_android_backup_BackupHelperDispatcher(JNIEnv *env);
172extern int register_android_app_backup_FullBackup(JNIEnv *env);
173extern int register_android_app_ActivityThread(JNIEnv *env);
174extern int register_android_app_NativeActivity(JNIEnv *env);
175extern int register_android_media_RemoteDisplay(JNIEnv *env);
176extern int register_android_view_InputChannel(JNIEnv* env);
177extern int register_android_view_InputDevice(JNIEnv* env);
178extern int register_android_view_InputEventReceiver(JNIEnv* env);
179extern int register_android_view_InputEventSender(JNIEnv* env);
180extern int register_android_view_InputQueue(JNIEnv* env);
181extern int register_android_view_KeyCharacterMap(JNIEnv *env);
182extern int register_android_view_KeyEvent(JNIEnv* env);
183extern int register_android_view_MotionEvent(JNIEnv* env);
184extern int register_android_view_PointerIcon(JNIEnv* env);
185extern int register_android_view_VelocityTracker(JNIEnv* env);
186extern int register_android_content_res_ObbScanner(JNIEnv* env);
187extern int register_android_content_res_Configuration(JNIEnv* env);
188extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
189extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
190extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
191extern int register_com_android_internal_os_Zygote(JNIEnv *env);
192extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
193
194static AndroidRuntime* gCurRuntime = NULL;
195
196static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
197{
198    if (jniThrowException(env, exc, msg) != 0)
199        assert(false);
200}
201
202/*
203 * Code written in the Java Programming Language calls here from main().
204 */
205static void com_android_internal_os_RuntimeInit_nativeFinishInit(JNIEnv* env, jobject clazz)
206{
207    gCurRuntime->onStarted();
208}
209
210static void com_android_internal_os_RuntimeInit_nativeZygoteInit(JNIEnv* env, jobject clazz)
211{
212    gCurRuntime->onZygoteInit();
213}
214
215static void com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup(JNIEnv* env,
216        jobject clazz, jboolean exitWithoutCleanup)
217{
218    gCurRuntime->setExitWithoutCleanup(exitWithoutCleanup);
219}
220
221/*
222 * JNI registration.
223 */
224static JNINativeMethod gMethods[] = {
225    { "nativeFinishInit", "()V",
226        (void*) com_android_internal_os_RuntimeInit_nativeFinishInit },
227    { "nativeZygoteInit", "()V",
228        (void*) com_android_internal_os_RuntimeInit_nativeZygoteInit },
229    { "nativeSetExitWithoutCleanup", "(Z)V",
230        (void*) com_android_internal_os_RuntimeInit_nativeSetExitWithoutCleanup },
231};
232
233int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
234{
235    return jniRegisterNativeMethods(env, "com/android/internal/os/RuntimeInit",
236        gMethods, NELEM(gMethods));
237}
238
239// ----------------------------------------------------------------------
240
241/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
242
243AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
244        mExitWithoutCleanup(false),
245        mArgBlockStart(argBlockStart),
246        mArgBlockLength(argBlockLength)
247{
248    SkGraphics::Init();
249    // There is also a global font cache, but its budget is specified in code
250    // see SkFontHost_android.cpp
251
252    // Pre-allocate enough space to hold a fair number of options.
253    mOptions.setCapacity(20);
254
255    assert(gCurRuntime == NULL);        // one per process
256    gCurRuntime = this;
257}
258
259AndroidRuntime::~AndroidRuntime()
260{
261    SkGraphics::Term();
262}
263
264/*
265 * Register native methods using JNI.
266 */
267/*static*/ int AndroidRuntime::registerNativeMethods(JNIEnv* env,
268    const char* className, const JNINativeMethod* gMethods, int numMethods)
269{
270    return jniRegisterNativeMethods(env, className, gMethods, numMethods);
271}
272
273void AndroidRuntime::setArgv0(const char* argv0) {
274    memset(mArgBlockStart, 0, mArgBlockLength);
275    strlcpy(mArgBlockStart, argv0, mArgBlockLength);
276}
277
278status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
279    const Vector<String8>& args)
280{
281    JNIEnv* env;
282    jmethodID methodId;
283
284    ALOGD("Calling main entry %s", className.string());
285
286    env = getJNIEnv();
287    if (clazz == NULL || env == NULL) {
288        return UNKNOWN_ERROR;
289    }
290
291    methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
292    if (methodId == NULL) {
293        ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
294        return UNKNOWN_ERROR;
295    }
296
297    /*
298     * We want to call main() with a String array with our arguments in it.
299     * Create an array and populate it.
300     */
301    jclass stringClass;
302    jobjectArray strArray;
303
304    const size_t numArgs = args.size();
305    stringClass = env->FindClass("java/lang/String");
306    strArray = env->NewObjectArray(numArgs, stringClass, NULL);
307
308    for (size_t i = 0; i < numArgs; i++) {
309        jstring argStr = env->NewStringUTF(args[i].string());
310        env->SetObjectArrayElement(strArray, i, argStr);
311    }
312
313    env->CallStaticVoidMethod(clazz, methodId, strArray);
314    return NO_ERROR;
315}
316
317/*
318 * The VM calls this through the "exit" hook.
319 */
320static void runtime_exit(int code)
321{
322    gCurRuntime->exit(code);
323}
324
325/*
326 * The VM calls this through the "vfprintf" hook.
327 *
328 * We ignore "fp" and just write the results to the log file.
329 */
330static void runtime_vfprintf(FILE* fp, const char* format, va_list ap)
331{
332    LOG_PRI_VA(ANDROID_LOG_INFO, "vm-printf", format, ap);
333}
334
335/**
336 * The VM calls this when mutex contention debugging is enabled to
337 * determine whether or not the blocked thread was a "sensitive thread"
338 * for user responsiveness/smoothess.
339 *
340 * Our policy for this is whether or not we're tracing any StrictMode
341 * events on this thread (which we might've inherited via Binder calls
342 * into us)
343 */
344static bool runtime_isSensitiveThread() {
345    IPCThreadState* state = IPCThreadState::selfOrNull();
346    return state && state->getStrictModePolicy() != 0;
347}
348
349static int hasDir(const char* dir)
350{
351    struct stat s;
352    int res = stat(dir, &s);
353    if (res == 0) {
354        return S_ISDIR(s.st_mode);
355    }
356    return 0;
357}
358
359static bool hasFile(const char* file) {
360    struct stat s;
361    int res = stat(file, &s);
362    if (res == 0) {
363        return S_ISREG(s.st_mode);
364    }
365    return false;
366}
367
368/*
369 * Read the persistent locale.
370 */
371static void readLocale(char* language, char* region)
372{
373    char propLang[PROPERTY_VALUE_MAX], propRegn[PROPERTY_VALUE_MAX];
374
375    property_get("persist.sys.language", propLang, "");
376    property_get("persist.sys.country", propRegn, "");
377    if (*propLang == 0 && *propRegn == 0) {
378        /* Set to ro properties, default is en_US */
379        property_get("ro.product.locale.language", propLang, "en");
380        property_get("ro.product.locale.region", propRegn, "US");
381    }
382    strncat(language, propLang, 3);
383    strncat(region, propRegn, 3);
384    //ALOGD("language=%s region=%s\n", language, region);
385}
386
387void AndroidRuntime::addOption(const char* optionString, void* extraInfo)
388{
389    JavaVMOption opt;
390    opt.optionString = optionString;
391    opt.extraInfo = extraInfo;
392    mOptions.add(opt);
393}
394
395/*
396 * Parse a property containing space-separated options that should be
397 * passed directly to the VM, e.g. "-Xmx32m -verbose:gc -Xregenmap".
398 *
399 * This will cut up "extraOptsBuf" as we chop it into individual options.
400 *
401 * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
402 *
403 * Adds the strings, if any, to mOptions.
404 */
405void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
406{
407    char* start = extraOptsBuf;
408    char* end = NULL;
409    while (*start != '\0') {
410        while (*start == ' ')                   /* skip leading whitespace */
411            start++;
412        if (*start == '\0')                     /* was trailing ws, bail */
413            break;
414
415        end = start+1;
416        while (*end != ' ' && *end != '\0')     /* find end of token */
417            end++;
418        if (*end == ' ')
419            *end++ = '\0';          /* mark end, advance to indicate more */
420
421        if (quotingArg != NULL) {
422            addOption(quotingArg);
423        }
424        addOption(start);
425        start = end;
426    }
427}
428
429/*
430 * Reads a "property" into "buffer" with a default of "defaultArg". If
431 * the property is non-empty, it is treated as a runtime option such
432 * as "-Xmx32m".
433 *
434 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
435 *
436 * If an argument is found, it is added to mOptions.
437 *
438 * If an option is found, it is added to mOptions and true is
439 * returned. Otherwise false is returned.
440 */
441bool AndroidRuntime::parseRuntimeOption(const char* property,
442                                        char* buffer,
443                                        const char* runtimeArg,
444                                        const char* defaultArg)
445{
446    strcpy(buffer, runtimeArg);
447    size_t runtimeArgLen = strlen(runtimeArg);
448    property_get(property, buffer+runtimeArgLen, defaultArg);
449    if (buffer[runtimeArgLen] == '\0') {
450        return false;
451    }
452    addOption(buffer);
453    return true;
454}
455
456/*
457 * Reads a "property" into "buffer". If the property is non-empty, it
458 * is treated as a dex2oat compiler option that should be
459 * passed as a quoted option, e.g. "-Ximage-compiler-option --compiler-filter=verify-none".
460 *
461 * The "compilerArg" is a prefix for the option such as "--compiler-filter=".
462 *
463 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
464 *
465 * If an option is found, it is added to mOptions and true is
466 * returned. Otherwise false is returned.
467 */
468bool AndroidRuntime::parseCompilerOption(const char* property,
469                                         char* buffer,
470                                         const char* compilerArg,
471                                         const char* quotingArg)
472{
473    strcpy(buffer, compilerArg);
474    size_t compilerArgLen = strlen(compilerArg);
475    property_get(property, buffer+compilerArgLen, "");
476    if (buffer[compilerArgLen] == '\0') {
477        return false;
478    }
479    addOption(quotingArg);
480    addOption(buffer);
481    return true;
482}
483
484/*
485 * Reads a "property" into "buffer". If the property is non-empty, it
486 * is treated as a dex2oat compiler runtime option that should be
487 * passed as a quoted option, e.g. "-Ximage-compiler-option
488 * --runtime-arg -Ximage-compiler-option -Xmx32m".
489 *
490 * The "runtimeArg" is a prefix for the option such as "-Xms" or "-Xmx".
491 *
492 * The "quotingArg" should be "-Ximage-compiler-option" or "-Xcompiler-option".
493 *
494 * If an option is found, it is added to mOptions and true is
495 * returned. Otherwise false is returned.
496 */
497bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
498                                                char* buffer,
499                                                const char* runtimeArg,
500                                                const char* quotingArg)
501{
502    strcpy(buffer, runtimeArg);
503    size_t runtimeArgLen = strlen(runtimeArg);
504    property_get(property, buffer+runtimeArgLen, "");
505    if (buffer[runtimeArgLen] == '\0') {
506        return false;
507    }
508    addOption(quotingArg);
509    addOption("--runtime-arg");
510    addOption(quotingArg);
511    addOption(buffer);
512    return true;
513}
514
515/*
516 * Start the Dalvik Virtual Machine.
517 *
518 * Various arguments, most determined by system properties, are passed in.
519 * The "mOptions" vector is updated.
520 *
521 * CAUTION: when adding options in here, be careful not to put the
522 * char buffer inside a nested scope.  Adding the buffer to the
523 * options using mOptions.add() does not copy the buffer, so if the
524 * buffer goes out of scope the option may be overwritten.  It's best
525 * to put the buffer at the top of the function so that it is more
526 * unlikely that someone will surround it in a scope at a later time
527 * and thus introduce a bug.
528 *
529 * Returns 0 on success.
530 */
531int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
532{
533    int result = -1;
534    JavaVMInitArgs initArgs;
535    char propBuf[PROPERTY_VALUE_MAX];
536    char stackTraceFileBuf[sizeof("-Xstacktracefile:")-1 + PROPERTY_VALUE_MAX];
537    char dexoptFlagsBuf[PROPERTY_VALUE_MAX];
538    char enableAssertBuf[sizeof("-ea:")-1 + PROPERTY_VALUE_MAX];
539    char jniOptsBuf[sizeof("-Xjniopts:")-1 + PROPERTY_VALUE_MAX];
540    char heapstartsizeOptsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
541    char heapsizeOptsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
542    char heapgrowthlimitOptsBuf[sizeof("-XX:HeapGrowthLimit=")-1 + PROPERTY_VALUE_MAX];
543    char heapminfreeOptsBuf[sizeof("-XX:HeapMinFree=")-1 + PROPERTY_VALUE_MAX];
544    char heapmaxfreeOptsBuf[sizeof("-XX:HeapMaxFree=")-1 + PROPERTY_VALUE_MAX];
545    char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
546    char backgroundgcOptsBuf[sizeof("-XX:BackgroundGC=")-1 + PROPERTY_VALUE_MAX];
547    char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
548    char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
549    char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
550    char dex2oatXmsImageFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
551    char dex2oatXmxImageFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
552    char dex2oatXmsFlagsBuf[sizeof("-Xms")-1 + PROPERTY_VALUE_MAX];
553    char dex2oatXmxFlagsBuf[sizeof("-Xmx")-1 + PROPERTY_VALUE_MAX];
554    char dex2oatCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
555    char dex2oatImageCompilerFilterBuf[sizeof("--compiler-filter=")-1 + PROPERTY_VALUE_MAX];
556    char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
557    char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
558    char extraOptsBuf[PROPERTY_VALUE_MAX];
559    char voldDecryptBuf[PROPERTY_VALUE_MAX];
560    enum {
561      kEMDefault,
562      kEMIntPortable,
563      kEMIntFast,
564      kEMJitCompiler,
565    } executionMode = kEMDefault;
566    char profilePeriod[sizeof("-Xprofile-period:")-1 + PROPERTY_VALUE_MAX];
567    char profileDuration[sizeof("-Xprofile-duration:")-1 + PROPERTY_VALUE_MAX];
568    char profileInterval[sizeof("-Xprofile-interval:")-1 + PROPERTY_VALUE_MAX];
569    char profileBackoff[sizeof("-Xprofile-backoff:")-1 + PROPERTY_VALUE_MAX];
570    char profileTopKThreshold[sizeof("-Xprofile-top-k-threshold:")-1 + PROPERTY_VALUE_MAX];
571    char profileTopKChangeThreshold[sizeof("-Xprofile-top-k-change-threshold:")-1 +
572                                    PROPERTY_VALUE_MAX];
573    char profileType[sizeof("-Xprofile-type:")-1 + PROPERTY_VALUE_MAX];
574    char profileMaxStackDepth[sizeof("-Xprofile-max-stack-depth:")-1 + PROPERTY_VALUE_MAX];
575    char langOption[sizeof("-Duser.language=") + 3];
576    char regionOption[sizeof("-Duser.region=") + 3];
577    char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:")-1 + PROPERTY_VALUE_MAX];
578    char jitOpBuf[sizeof("-Xjitop:")-1 + PROPERTY_VALUE_MAX];
579    char jitMethodBuf[sizeof("-Xjitmethod:")-1 + PROPERTY_VALUE_MAX];
580    char nativeBridgeLibrary[sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX];
581
582    bool checkJni = false;
583    property_get("dalvik.vm.checkjni", propBuf, "");
584    if (strcmp(propBuf, "true") == 0) {
585        checkJni = true;
586    } else if (strcmp(propBuf, "false") != 0) {
587        /* property is neither true nor false; fall back on kernel parameter */
588        property_get("ro.kernel.android.checkjni", propBuf, "");
589        if (propBuf[0] == '1') {
590            checkJni = true;
591        }
592    }
593    ALOGD("CheckJNI is %s\n", checkJni ? "ON" : "OFF");
594    if (checkJni) {
595        /* extended JNI checking */
596        addOption("-Xcheck:jni");
597
598        /* set a cap on JNI global references */
599        addOption("-Xjnigreflimit:2000");
600
601        /* with -Xcheck:jni, this provides a JNI function call trace */
602        //addOption("-verbose:jni");
603    }
604
605    property_get("dalvik.vm.execution-mode", propBuf, "");
606    if (strcmp(propBuf, "int:portable") == 0) {
607        executionMode = kEMIntPortable;
608    } else if (strcmp(propBuf, "int:fast") == 0) {
609        executionMode = kEMIntFast;
610    } else if (strcmp(propBuf, "int:jit") == 0) {
611        executionMode = kEMJitCompiler;
612    }
613
614    parseRuntimeOption("dalvik.vm.stack-trace-file", stackTraceFileBuf, "-Xstacktracefile:");
615
616    property_get("dalvik.vm.check-dex-sum", propBuf, "");
617    if (strcmp(propBuf, "true") == 0) {
618        /* perform additional DEX checksum tests */
619        addOption("-Xcheckdexsum");
620    }
621
622    property_get("log.redirect-stdio", propBuf, "");
623    if (strcmp(propBuf, "true") == 0) {
624        /* convert stdout/stderr to log messages */
625        addOption("-Xlog-stdio");
626    }
627
628    strcpy(enableAssertBuf, "-ea:");
629    property_get("dalvik.vm.enableassertions", enableAssertBuf+sizeof("-ea:")-1, "");
630    if (enableAssertBuf[sizeof("-ea:")-1] != '\0') {
631        /* accept "all" to mean "all classes and packages" */
632        if (strcmp(enableAssertBuf+sizeof("-ea:")-1, "all") == 0)
633            enableAssertBuf[3] = '\0'; // truncate to "-ea"
634        ALOGI("Assertions enabled: '%s'\n", enableAssertBuf);
635        addOption(enableAssertBuf);
636    } else {
637        ALOGV("Assertions disabled\n");
638    }
639
640    strcpy(jniOptsBuf, "-Xjniopts:");
641    if (parseRuntimeOption("dalvik.vm.jniopts", jniOptsBuf, "-Xjniopts:")) {
642        ALOGI("JNI options: '%s'\n", jniOptsBuf);
643    }
644
645    /* route exit() to our handler */
646    addOption("exit", (void*) runtime_exit);
647
648    /* route fprintf() to our handler */
649    addOption("vfprintf", (void*) runtime_vfprintf);
650
651    /* register the framework-specific "is sensitive thread" hook */
652    addOption("sensitiveThread", (void*) runtime_isSensitiveThread);
653
654    /* enable verbose; standard options are { jni, gc, class } */
655    //addOption("-verbose:jni");
656    addOption("-verbose:gc");
657    //addOption("-verbose:class");
658
659    /*
660     * The default starting and maximum size of the heap.  Larger
661     * values should be specified in a product property override.
662     */
663    parseRuntimeOption("dalvik.vm.heapstartsize", heapstartsizeOptsBuf, "-Xms", "4m");
664    parseRuntimeOption("dalvik.vm.heapsize", heapsizeOptsBuf, "-Xmx", "16m");
665
666    // Increase the main thread's interpreter stack size for bug 6315322.
667    addOption("-XX:mainThreadStackSize=24K");
668
669    // Set the max jit code cache size.  Note: size of 0 will disable the JIT.
670    parseRuntimeOption("dalvik.vm.jit.codecachesize",
671                       jitcodecachesizeOptsBuf,
672                       "-Xjitcodecachesize:");
673
674    parseRuntimeOption("dalvik.vm.heapgrowthlimit", heapgrowthlimitOptsBuf, "-XX:HeapGrowthLimit=");
675    parseRuntimeOption("dalvik.vm.heapminfree", heapminfreeOptsBuf, "-XX:HeapMinFree=");
676    parseRuntimeOption("dalvik.vm.heapmaxfree", heapmaxfreeOptsBuf, "-XX:HeapMaxFree=");
677    parseRuntimeOption("dalvik.vm.heaptargetutilization",
678                       heaptargetutilizationOptsBuf,
679                       "-XX:HeapTargetUtilization=");
680
681    property_get("ro.config.low_ram", propBuf, "");
682    if (strcmp(propBuf, "true") == 0) {
683      addOption("-XX:LowMemoryMode");
684    }
685
686    parseRuntimeOption("dalvik.vm.gctype", gctypeOptsBuf, "-Xgc:");
687    parseRuntimeOption("dalvik.vm.backgroundgctype", backgroundgcOptsBuf, "-XX:BackgroundGC=");
688
689    /*
690     * Enable or disable dexopt features, such as bytecode verification and
691     * calculation of register maps for precise GC.
692     */
693    property_get("dalvik.vm.dexopt-flags", dexoptFlagsBuf, "");
694    if (dexoptFlagsBuf[0] != '\0') {
695        const char* opc;
696        const char* val;
697
698        opc = strstr(dexoptFlagsBuf, "v=");     /* verification */
699        if (opc != NULL) {
700            switch (*(opc+2)) {
701            case 'n':   val = "-Xverify:none";      break;
702            case 'r':   val = "-Xverify:remote";    break;
703            case 'a':   val = "-Xverify:all";       break;
704            default:    val = NULL;                 break;
705            }
706
707            if (val != NULL) {
708                addOption(val);
709            }
710        }
711
712        opc = strstr(dexoptFlagsBuf, "o=");     /* optimization */
713        if (opc != NULL) {
714            switch (*(opc+2)) {
715            case 'n':   val = "-Xdexopt:none";      break;
716            case 'v':   val = "-Xdexopt:verified";  break;
717            case 'a':   val = "-Xdexopt:all";       break;
718            case 'f':   val = "-Xdexopt:full";      break;
719            default:    val = NULL;                 break;
720            }
721
722            if (val != NULL) {
723                addOption(val);
724            }
725        }
726
727        opc = strstr(dexoptFlagsBuf, "m=y");    /* register map */
728        if (opc != NULL) {
729            addOption("-Xgenregmap");
730
731            /* turn on precise GC while we're at it */
732            addOption("-Xgc:precise");
733        }
734    }
735
736    /* enable debugging; set suspend=y to pause during VM init */
737    /* use android ADB transport */
738    addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
739
740    parseRuntimeOption("dalvik.vm.lockprof.threshold",
741                       lockProfThresholdBuf,
742                       "-Xlockprofthreshold:");
743
744    /* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
745    parseRuntimeOption("dalvik.vm.jit.op", jitOpBuf, "-Xjitop:");
746
747    /* Force interpreter-only mode for selected methods */
748    parseRuntimeOption("dalvik.vm.jit.method", jitMethodBuf, "-Xjitmethod:");
749
750    if (executionMode == kEMIntPortable) {
751        addOption("-Xint:portable");
752    } else if (executionMode == kEMIntFast) {
753        addOption("-Xint:fast");
754    } else if (executionMode == kEMJitCompiler) {
755        addOption("-Xint:jit");
756    }
757
758    // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
759    property_get("persist.sys.dalvik.vm.lib.2", dalvikVmLibBuf, "libart.so");
760    bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
761
762    if (libart) {
763        // If we booting without the real /data, don't spend time compiling.
764        property_get("vold.decrypt", voldDecryptBuf, "");
765        bool skip_compilation = ((strcmp(voldDecryptBuf, "trigger_restart_min_framework") == 0) ||
766                                 (strcmp(voldDecryptBuf, "1") == 0));
767
768        // Extra options for boot.art/boot.oat image generation.
769        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xms", dex2oatXmsImageFlagsBuf,
770                                   "-Xms", "-Ximage-compiler-option");
771        parseCompilerRuntimeOption("dalvik.vm.image-dex2oat-Xmx", dex2oatXmxImageFlagsBuf,
772                                   "-Xmx", "-Ximage-compiler-option");
773        if (skip_compilation) {
774            addOption("-Ximage-compiler-option");
775            addOption("--compiler-filter=verify-none");
776        } else {
777            parseCompilerOption("dalvik.vm.image-dex2oat-filter", dex2oatImageCompilerFilterBuf,
778                                "--compiler-filter=", "-Ximage-compiler-option");
779        }
780
781        // Make sure there is a preloaded-classes file.
782        if (!hasFile("/system/etc/preloaded-classes")) {
783            ALOGE("Missing preloaded-classes file, /system/etc/preloaded-classes not found: %s\n",
784                  strerror(errno));
785            goto bail;
786        }
787        addOption("-Ximage-compiler-option");
788        addOption("--image-classes=/system/etc/preloaded-classes");
789
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=verify-none");
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.stack-depth",
875                           profileMaxStackDepth,
876                           "-Xprofile-max-stack-depth:");
877
878        // Native bridge library. "0" means that native bridge is disabled.
879        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
880        if (propBuf[0] == '\0') {
881            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
882        } else if (strcmp(propBuf, "0") != 0) {
883            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
884                     "-XX:NativeBridge=%s", propBuf);
885            addOption(nativeBridgeLibrary);
886        }
887    }
888
889    initArgs.version = JNI_VERSION_1_4;
890    initArgs.options = mOptions.editArray();
891    initArgs.nOptions = mOptions.size();
892    initArgs.ignoreUnrecognized = JNI_FALSE;
893
894    /*
895     * Initialize the VM.
896     *
897     * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
898     * If this call succeeds, the VM is ready, and we can start issuing
899     * JNI calls.
900     */
901    if (JNI_CreateJavaVM(pJavaVM, pEnv, &initArgs) < 0) {
902        ALOGE("JNI_CreateJavaVM failed\n");
903        goto bail;
904    }
905
906    result = 0;
907
908bail:
909    return result;
910}
911
912char* AndroidRuntime::toSlashClassName(const char* className)
913{
914    char* result = strdup(className);
915    for (char* cp = result; *cp != '\0'; cp++) {
916        if (*cp == '.') {
917            *cp = '/';
918        }
919    }
920    return result;
921}
922
923/** Create a Java string from an ASCII or Latin-1 string */
924jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
925    if (!bytes) return NULL;
926    int length = strlen(bytes);
927    jchar* buffer = (jchar *)alloca(length * sizeof(jchar));
928    if (!buffer) return NULL;
929    jchar* chp = buffer;
930    for (int i = 0; i < length; i++) {
931        *chp++ = *bytes++;
932    }
933    return env->NewString(buffer, length);
934}
935
936
937/*
938 * Start the Android runtime.  This involves starting the virtual machine
939 * and calling the "static void main(String[] args)" method in the class
940 * named by "className".
941 *
942 * Passes the main function two arguments, the class name and the specified
943 * options string.
944 */
945void AndroidRuntime::start(const char* className, const Vector<String8>& options)
946{
947    ALOGD(">>>>>> START %s uid %d <<<<<<\n",
948            className != NULL ? className : "(unknown)", getuid());
949
950    static const String8 startSystemServer("start-system-server");
951
952    /*
953     * 'startSystemServer == true' means runtime is obsolete and not run from
954     * init.rc anymore, so we print out the boot start event here.
955     */
956    for (size_t i = 0; i < options.size(); ++i) {
957        if (options[i] == startSystemServer) {
958           /* track our progress through the boot sequence */
959           const int LOG_BOOT_PROGRESS_START = 3000;
960           LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,  ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
961        }
962    }
963
964    const char* rootDir = getenv("ANDROID_ROOT");
965    if (rootDir == NULL) {
966        rootDir = "/system";
967        if (!hasDir("/system")) {
968            LOG_FATAL("No root directory specified, and /android does not exist.");
969            return;
970        }
971        setenv("ANDROID_ROOT", rootDir, 1);
972    }
973
974    //const char* kernelHack = getenv("LD_ASSUME_KERNEL");
975    //ALOGD("Found LD_ASSUME_KERNEL='%s'\n", kernelHack);
976
977    /* start the virtual machine */
978    JniInvocation jni_invocation;
979    jni_invocation.Init(NULL);
980    JNIEnv* env;
981    if (startVm(&mJavaVM, &env) != 0) {
982        return;
983    }
984    onVmCreated(env);
985
986    /*
987     * Register android functions.
988     */
989    if (startReg(env) < 0) {
990        ALOGE("Unable to register all android natives\n");
991        return;
992    }
993
994    /*
995     * We want to call main() with a String array with arguments in it.
996     * At present we have two arguments, the class name and an option string.
997     * Create an array to hold them.
998     */
999    jclass stringClass;
1000    jobjectArray strArray;
1001    jstring classNameStr;
1002
1003    stringClass = env->FindClass("java/lang/String");
1004    assert(stringClass != NULL);
1005    strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
1006    assert(strArray != NULL);
1007    classNameStr = env->NewStringUTF(className);
1008    assert(classNameStr != NULL);
1009    env->SetObjectArrayElement(strArray, 0, classNameStr);
1010
1011    for (size_t i = 0; i < options.size(); ++i) {
1012        jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
1013        assert(optionsStr != NULL);
1014        env->SetObjectArrayElement(strArray, i + 1, optionsStr);
1015    }
1016
1017    /*
1018     * Start VM.  This thread becomes the main thread of the VM, and will
1019     * not return until the VM exits.
1020     */
1021    char* slashClassName = toSlashClassName(className);
1022    jclass startClass = env->FindClass(slashClassName);
1023    if (startClass == NULL) {
1024        ALOGE("JavaVM unable to locate class '%s'\n", slashClassName);
1025        /* keep going */
1026    } else {
1027        jmethodID startMeth = env->GetStaticMethodID(startClass, "main",
1028            "([Ljava/lang/String;)V");
1029        if (startMeth == NULL) {
1030            ALOGE("JavaVM unable to find main() in '%s'\n", className);
1031            /* keep going */
1032        } else {
1033            env->CallStaticVoidMethod(startClass, startMeth, strArray);
1034
1035#if 0
1036            if (env->ExceptionCheck())
1037                threadExitUncaughtException(env);
1038#endif
1039        }
1040    }
1041    free(slashClassName);
1042
1043    ALOGD("Shutting down VM\n");
1044    if (mJavaVM->DetachCurrentThread() != JNI_OK)
1045        ALOGW("Warning: unable to detach main thread\n");
1046    if (mJavaVM->DestroyJavaVM() != 0)
1047        ALOGW("Warning: VM did not shut down cleanly\n");
1048}
1049
1050void AndroidRuntime::exit(int code)
1051{
1052    if (mExitWithoutCleanup) {
1053        ALOGI("VM exiting with result code %d, cleanup skipped.", code);
1054        ::_exit(code);
1055    } else {
1056        ALOGI("VM exiting with result code %d.", code);
1057        onExit(code);
1058        ::exit(code);
1059    }
1060}
1061
1062void AndroidRuntime::onVmCreated(JNIEnv* env)
1063{
1064    // If AndroidRuntime had anything to do here, we'd have done it in 'start'.
1065}
1066
1067/*
1068 * Get the JNIEnv pointer for this thread.
1069 *
1070 * Returns NULL if the slot wasn't allocated or populated.
1071 */
1072/*static*/ JNIEnv* AndroidRuntime::getJNIEnv()
1073{
1074    JNIEnv* env;
1075    JavaVM* vm = AndroidRuntime::getJavaVM();
1076    assert(vm != NULL);
1077
1078    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK)
1079        return NULL;
1080    return env;
1081}
1082
1083/*
1084 * Makes the current thread visible to the VM.
1085 *
1086 * The JNIEnv pointer returned is only valid for the current thread, and
1087 * thus must be tucked into thread-local storage.
1088 */
1089static int javaAttachThread(const char* threadName, JNIEnv** pEnv)
1090{
1091    JavaVMAttachArgs args;
1092    JavaVM* vm;
1093    jint result;
1094
1095    vm = AndroidRuntime::getJavaVM();
1096    assert(vm != NULL);
1097
1098    args.version = JNI_VERSION_1_4;
1099    args.name = (char*) threadName;
1100    args.group = NULL;
1101
1102    result = vm->AttachCurrentThread(pEnv, (void*) &args);
1103    if (result != JNI_OK)
1104        ALOGI("NOTE: attach of thread '%s' failed\n", threadName);
1105
1106    return result;
1107}
1108
1109/*
1110 * Detach the current thread from the set visible to the VM.
1111 */
1112static int javaDetachThread(void)
1113{
1114    JavaVM* vm;
1115    jint result;
1116
1117    vm = AndroidRuntime::getJavaVM();
1118    assert(vm != NULL);
1119
1120    result = vm->DetachCurrentThread();
1121    if (result != JNI_OK)
1122        ALOGE("ERROR: thread detach failed\n");
1123    return result;
1124}
1125
1126/*
1127 * When starting a native thread that will be visible from the VM, we
1128 * bounce through this to get the right attach/detach action.
1129 * Note that this function calls free(args)
1130 */
1131/*static*/ int AndroidRuntime::javaThreadShell(void* args) {
1132    void* start = ((void**)args)[0];
1133    void* userData = ((void **)args)[1];
1134    char* name = (char*) ((void **)args)[2];        // we own this storage
1135    free(args);
1136    JNIEnv* env;
1137    int result;
1138
1139    /* hook us into the VM */
1140    if (javaAttachThread(name, &env) != JNI_OK)
1141        return -1;
1142
1143    /* start the thread running */
1144    result = (*(android_thread_func_t)start)(userData);
1145
1146    /* unhook us */
1147    javaDetachThread();
1148    free(name);
1149
1150    return result;
1151}
1152
1153/*
1154 * This is invoked from androidCreateThreadEtc() via the callback
1155 * set with androidSetCreateThreadFunc().
1156 *
1157 * We need to create the new thread in such a way that it gets hooked
1158 * into the VM before it really starts executing.
1159 */
1160/*static*/ int AndroidRuntime::javaCreateThreadEtc(
1161                                android_thread_func_t entryFunction,
1162                                void* userData,
1163                                const char* threadName,
1164                                int32_t threadPriority,
1165                                size_t threadStackSize,
1166                                android_thread_id_t* threadId)
1167{
1168    void** args = (void**) malloc(3 * sizeof(void*));   // javaThreadShell must free
1169    int result;
1170
1171    if (!threadName)
1172        threadName = "unnamed thread";
1173
1174    args[0] = (void*) entryFunction;
1175    args[1] = userData;
1176    args[2] = (void*) strdup(threadName);   // javaThreadShell must free
1177
1178    result = androidCreateRawThreadEtc(AndroidRuntime::javaThreadShell, args,
1179        threadName, threadPriority, threadStackSize, threadId);
1180    return result;
1181}
1182
1183/*
1184 * Create a thread that is visible from the VM.
1185 *
1186 * This is called from elsewhere in the library.
1187 */
1188/*static*/ android_thread_id_t AndroidRuntime::createJavaThread(const char* name,
1189    void (*start)(void *), void* arg)
1190{
1191    android_thread_id_t threadId = 0;
1192    javaCreateThreadEtc((android_thread_func_t) start, arg, name,
1193        ANDROID_PRIORITY_DEFAULT, 0, &threadId);
1194    return threadId;
1195}
1196
1197#if 0
1198static void quickTest(void* arg)
1199{
1200    const char* str = (const char*) arg;
1201
1202    printf("In quickTest: %s\n", str);
1203}
1204#endif
1205
1206#ifdef NDEBUG
1207    #define REG_JNI(name)      { name }
1208    struct RegJNIRec {
1209        int (*mProc)(JNIEnv*);
1210    };
1211#else
1212    #define REG_JNI(name)      { name, #name }
1213    struct RegJNIRec {
1214        int (*mProc)(JNIEnv*);
1215        const char* mName;
1216    };
1217#endif
1218
1219typedef void (*RegJAMProc)();
1220
1221static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env)
1222{
1223    for (size_t i = 0; i < count; i++) {
1224        if (array[i].mProc(env) < 0) {
1225#ifndef NDEBUG
1226            ALOGD("----------!!! %s failed to load\n", array[i].mName);
1227#endif
1228            return -1;
1229        }
1230    }
1231    return 0;
1232}
1233
1234static void register_jam_procs(const RegJAMProc array[], size_t count)
1235{
1236    for (size_t i = 0; i < count; i++) {
1237        array[i]();
1238    }
1239}
1240
1241static const RegJNIRec gRegJNI[] = {
1242    REG_JNI(register_com_android_internal_os_RuntimeInit),
1243    REG_JNI(register_android_os_SystemClock),
1244    REG_JNI(register_android_util_EventLog),
1245    REG_JNI(register_android_util_Log),
1246    REG_JNI(register_android_util_FloatMath),
1247    REG_JNI(register_android_content_AssetManager),
1248    REG_JNI(register_android_content_StringBlock),
1249    REG_JNI(register_android_content_XmlBlock),
1250    REG_JNI(register_android_emoji_EmojiFactory),
1251    REG_JNI(register_android_text_AndroidCharacter),
1252    REG_JNI(register_android_text_StaticLayout),
1253    REG_JNI(register_android_text_AndroidBidi),
1254    REG_JNI(register_android_view_InputDevice),
1255    REG_JNI(register_android_view_KeyCharacterMap),
1256    REG_JNI(register_android_os_Process),
1257    REG_JNI(register_android_os_SystemProperties),
1258    REG_JNI(register_android_os_Binder),
1259    REG_JNI(register_android_os_Parcel),
1260    REG_JNI(register_android_nio_utils),
1261    REG_JNI(register_android_graphics_Graphics),
1262    REG_JNI(register_android_view_DisplayEventReceiver),
1263    REG_JNI(register_android_view_RenderNode),
1264    REG_JNI(register_android_view_RenderNodeAnimator),
1265    REG_JNI(register_android_view_GraphicBuffer),
1266    REG_JNI(register_android_view_GLES20Canvas),
1267    REG_JNI(register_android_view_HardwareLayer),
1268    REG_JNI(register_android_view_ThreadedRenderer),
1269    REG_JNI(register_android_view_Surface),
1270    REG_JNI(register_android_view_SurfaceControl),
1271    REG_JNI(register_android_view_SurfaceSession),
1272    REG_JNI(register_android_view_TextureView),
1273    REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
1274    REG_JNI(register_com_google_android_gles_jni_EGLImpl),
1275    REG_JNI(register_com_google_android_gles_jni_GLImpl),
1276    REG_JNI(register_android_opengl_jni_EGL14),
1277    REG_JNI(register_android_opengl_jni_EGLExt),
1278    REG_JNI(register_android_opengl_jni_GLES10),
1279    REG_JNI(register_android_opengl_jni_GLES10Ext),
1280    REG_JNI(register_android_opengl_jni_GLES11),
1281    REG_JNI(register_android_opengl_jni_GLES11Ext),
1282    REG_JNI(register_android_opengl_jni_GLES20),
1283    REG_JNI(register_android_opengl_jni_GLES30),
1284    REG_JNI(register_android_opengl_jni_GLES31),
1285    REG_JNI(register_android_opengl_jni_GLES31Ext),
1286
1287    REG_JNI(register_android_graphics_Bitmap),
1288    REG_JNI(register_android_graphics_BitmapFactory),
1289    REG_JNI(register_android_graphics_BitmapRegionDecoder),
1290    REG_JNI(register_android_graphics_Camera),
1291    REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
1292    REG_JNI(register_android_graphics_Canvas),
1293    REG_JNI(register_android_graphics_CanvasProperty),
1294    REG_JNI(register_android_graphics_ColorFilter),
1295    REG_JNI(register_android_graphics_DrawFilter),
1296    REG_JNI(register_android_graphics_FontFamily),
1297    REG_JNI(register_android_graphics_Interpolator),
1298    REG_JNI(register_android_graphics_LayerRasterizer),
1299    REG_JNI(register_android_graphics_MaskFilter),
1300    REG_JNI(register_android_graphics_Matrix),
1301    REG_JNI(register_android_graphics_Movie),
1302    REG_JNI(register_android_graphics_NinePatch),
1303    REG_JNI(register_android_graphics_Paint),
1304    REG_JNI(register_android_graphics_Path),
1305    REG_JNI(register_android_graphics_PathMeasure),
1306    REG_JNI(register_android_graphics_PathEffect),
1307    REG_JNI(register_android_graphics_Picture),
1308    REG_JNI(register_android_graphics_PorterDuff),
1309    REG_JNI(register_android_graphics_Rasterizer),
1310    REG_JNI(register_android_graphics_Region),
1311    REG_JNI(register_android_graphics_Shader),
1312    REG_JNI(register_android_graphics_SurfaceTexture),
1313    REG_JNI(register_android_graphics_Typeface),
1314    REG_JNI(register_android_graphics_Xfermode),
1315    REG_JNI(register_android_graphics_YuvImage),
1316    REG_JNI(register_android_graphics_pdf_PdfDocument),
1317    REG_JNI(register_android_graphics_pdf_PdfEditor),
1318    REG_JNI(register_android_graphics_pdf_PdfRenderer),
1319
1320    REG_JNI(register_android_database_CursorWindow),
1321    REG_JNI(register_android_database_SQLiteConnection),
1322    REG_JNI(register_android_database_SQLiteGlobal),
1323    REG_JNI(register_android_database_SQLiteDebug),
1324    REG_JNI(register_android_os_Debug),
1325    REG_JNI(register_android_os_FileObserver),
1326    REG_JNI(register_android_os_MessageQueue),
1327    REG_JNI(register_android_os_SELinux),
1328    REG_JNI(register_android_os_Trace),
1329    REG_JNI(register_android_os_UEventObserver),
1330    REG_JNI(register_android_net_LocalSocketImpl),
1331    REG_JNI(register_android_net_NetworkUtils),
1332    REG_JNI(register_android_net_TrafficStats),
1333    REG_JNI(register_android_os_MemoryFile),
1334    REG_JNI(register_com_android_internal_os_ZygoteInit),
1335    REG_JNI(register_com_android_internal_os_Zygote),
1336    REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
1337    REG_JNI(register_android_hardware_Camera),
1338    REG_JNI(register_android_hardware_camera2_CameraMetadata),
1339    REG_JNI(register_android_hardware_camera2_legacy_LegacyCameraDevice),
1340    REG_JNI(register_android_hardware_camera2_legacy_PerfMeasurement),
1341    REG_JNI(register_android_hardware_camera2_DngCreator),
1342    REG_JNI(register_android_hardware_SensorManager),
1343    REG_JNI(register_android_hardware_SerialPort),
1344    REG_JNI(register_android_hardware_SoundTrigger),
1345    REG_JNI(register_android_hardware_UsbDevice),
1346    REG_JNI(register_android_hardware_UsbDeviceConnection),
1347    REG_JNI(register_android_hardware_UsbRequest),
1348    REG_JNI(register_android_hardware_location_ActivityRecognitionHardware),
1349    REG_JNI(register_android_media_AudioRecord),
1350    REG_JNI(register_android_media_AudioSystem),
1351    REG_JNI(register_android_media_AudioTrack),
1352    REG_JNI(register_android_media_JetPlayer),
1353    REG_JNI(register_android_media_RemoteDisplay),
1354    REG_JNI(register_android_media_ToneGenerator),
1355
1356    REG_JNI(register_android_opengl_classes),
1357    REG_JNI(register_android_server_NetworkManagementSocketTagger),
1358    REG_JNI(register_android_ddm_DdmHandleNativeHeap),
1359    REG_JNI(register_android_backup_BackupDataInput),
1360    REG_JNI(register_android_backup_BackupDataOutput),
1361    REG_JNI(register_android_backup_FileBackupHelperBase),
1362    REG_JNI(register_android_backup_BackupHelperDispatcher),
1363    REG_JNI(register_android_app_backup_FullBackup),
1364    REG_JNI(register_android_app_ActivityThread),
1365    REG_JNI(register_android_app_NativeActivity),
1366    REG_JNI(register_android_view_InputChannel),
1367    REG_JNI(register_android_view_InputEventReceiver),
1368    REG_JNI(register_android_view_InputEventSender),
1369    REG_JNI(register_android_view_InputQueue),
1370    REG_JNI(register_android_view_KeyEvent),
1371    REG_JNI(register_android_view_MotionEvent),
1372    REG_JNI(register_android_view_PointerIcon),
1373    REG_JNI(register_android_view_VelocityTracker),
1374
1375    REG_JNI(register_android_content_res_ObbScanner),
1376    REG_JNI(register_android_content_res_Configuration),
1377
1378    REG_JNI(register_android_animation_PropertyValuesHolder),
1379    REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
1380    REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
1381};
1382
1383/*
1384 * Register android native functions with the VM.
1385 */
1386/*static*/ int AndroidRuntime::startReg(JNIEnv* env)
1387{
1388    /*
1389     * This hook causes all future threads created in this process to be
1390     * attached to the JavaVM.  (This needs to go away in favor of JNI
1391     * Attach calls.)
1392     */
1393    androidSetCreateThreadFunc((android_create_thread_fn) javaCreateThreadEtc);
1394
1395    ALOGV("--- registering native functions ---\n");
1396
1397    /*
1398     * Every "register" function calls one or more things that return
1399     * a local reference (e.g. FindClass).  Because we haven't really
1400     * started the VM yet, they're all getting stored in the base frame
1401     * and never released.  Use Push/Pop to manage the storage.
1402     */
1403    env->PushLocalFrame(200);
1404
1405    if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
1406        env->PopLocalFrame(NULL);
1407        return -1;
1408    }
1409    env->PopLocalFrame(NULL);
1410
1411    //createJavaThread("fubar", quickTest, (void*) "hello");
1412
1413    return 0;
1414}
1415
1416AndroidRuntime* AndroidRuntime::getRuntime()
1417{
1418    return gCurRuntime;
1419}
1420
1421/**
1422 * Used by WithFramework to register native functions.
1423 */
1424extern "C"
1425jint Java_com_android_internal_util_WithFramework_registerNatives(
1426        JNIEnv* env, jclass clazz) {
1427    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1428}
1429
1430/**
1431 * Used by LoadClass to register native functions.
1432 */
1433extern "C"
1434jint Java_LoadClass_registerNatives(JNIEnv* env, jclass clazz) {
1435    return register_jni_procs(gRegJNI, NELEM(gRegJNI), env);
1436}
1437
1438}   // namespace android
1439